| File: | build/gcc/fortran/trans-expr.c |
| Warning: | line 11338, column 8 Branch condition evaluates to a garbage value |
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| 1 | /* Expression translation |
| 2 | Copyright (C) 2002-2021 Free Software Foundation, Inc. |
| 3 | Contributed by Paul Brook <paul@nowt.org> |
| 4 | and Steven Bosscher <s.bosscher@student.tudelft.nl> |
| 5 | |
| 6 | This file is part of GCC. |
| 7 | |
| 8 | GCC is free software; you can redistribute it and/or modify it under |
| 9 | the terms of the GNU General Public License as published by the Free |
| 10 | Software Foundation; either version 3, or (at your option) any later |
| 11 | version. |
| 12 | |
| 13 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
| 14 | WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 15 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 16 | for more details. |
| 17 | |
| 18 | You should have received a copy of the GNU General Public License |
| 19 | along with GCC; see the file COPYING3. If not see |
| 20 | <http://www.gnu.org/licenses/>. */ |
| 21 | |
| 22 | /* trans-expr.c-- generate GENERIC trees for gfc_expr. */ |
| 23 | |
| 24 | #include "config.h" |
| 25 | #include "system.h" |
| 26 | #include "coretypes.h" |
| 27 | #include "options.h" |
| 28 | #include "tree.h" |
| 29 | #include "gfortran.h" |
| 30 | #include "trans.h" |
| 31 | #include "stringpool.h" |
| 32 | #include "diagnostic-core.h" /* For fatal_error. */ |
| 33 | #include "fold-const.h" |
| 34 | #include "langhooks.h" |
| 35 | #include "arith.h" |
| 36 | #include "constructor.h" |
| 37 | #include "trans-const.h" |
| 38 | #include "trans-types.h" |
| 39 | #include "trans-array.h" |
| 40 | /* Only for gfc_trans_assign and gfc_trans_pointer_assign. */ |
| 41 | #include "trans-stmt.h" |
| 42 | #include "dependency.h" |
| 43 | #include "gimplify.h" |
| 44 | |
| 45 | /* Convert a scalar to an array descriptor. To be used for assumed-rank |
| 46 | arrays. */ |
| 47 | |
| 48 | static tree |
| 49 | get_scalar_to_descriptor_type (tree scalar, symbol_attribute attr) |
| 50 | { |
| 51 | enum gfc_array_kind akind; |
| 52 | |
| 53 | if (attr.pointer) |
| 54 | akind = GFC_ARRAY_POINTER_CONT; |
| 55 | else if (attr.allocatable) |
| 56 | akind = GFC_ARRAY_ALLOCATABLE; |
| 57 | else |
| 58 | akind = GFC_ARRAY_ASSUMED_SHAPE_CONT; |
| 59 | |
| 60 | if (POINTER_TYPE_P (TREE_TYPE (scalar))(((enum tree_code) (((contains_struct_check ((scalar), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 60, __FUNCTION__))->typed.type))->base.code) == POINTER_TYPE || ((enum tree_code) (((contains_struct_check ((scalar), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 60, __FUNCTION__))->typed.type))->base.code) == REFERENCE_TYPE )) |
| 61 | scalar = TREE_TYPE (scalar)((contains_struct_check ((scalar), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 61, __FUNCTION__))->typed.type); |
| 62 | return gfc_get_array_type_bounds (TREE_TYPE (scalar)((contains_struct_check ((scalar), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 62, __FUNCTION__))->typed.type), 0, 0, NULL__null, NULL__null, 1, |
| 63 | akind, !(attr.pointer || attr.target)); |
| 64 | } |
| 65 | |
| 66 | tree |
| 67 | gfc_conv_scalar_to_descriptor (gfc_se *se, tree scalar, symbol_attribute attr) |
| 68 | { |
| 69 | tree desc, type, etype; |
| 70 | |
| 71 | type = get_scalar_to_descriptor_type (scalar, attr); |
| 72 | etype = TREE_TYPE (scalar)((contains_struct_check ((scalar), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 72, __FUNCTION__))->typed.type); |
| 73 | desc = gfc_create_var (type, "desc"); |
| 74 | DECL_ARTIFICIAL (desc)((contains_struct_check ((desc), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 74, __FUNCTION__))->decl_common.artificial_flag) = 1; |
| 75 | |
| 76 | if (CONSTANT_CLASS_P (scalar)(tree_code_type[(int) (((enum tree_code) (scalar)->base.code ))] == tcc_constant)) |
| 77 | { |
| 78 | tree tmp; |
| 79 | tmp = gfc_create_var (TREE_TYPE (scalar)((contains_struct_check ((scalar), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 79, __FUNCTION__))->typed.type), "scalar"); |
| 80 | gfc_add_modify (&se->pre, tmp, scalar); |
| 81 | scalar = tmp; |
| 82 | } |
| 83 | if (!POINTER_TYPE_P (TREE_TYPE (scalar))(((enum tree_code) (((contains_struct_check ((scalar), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 83, __FUNCTION__))->typed.type))->base.code) == POINTER_TYPE || ((enum tree_code) (((contains_struct_check ((scalar), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 83, __FUNCTION__))->typed.type))->base.code) == REFERENCE_TYPE )) |
| 84 | scalar = gfc_build_addr_expr (NULL_TREE(tree) __null, scalar); |
| 85 | else if (TREE_TYPE (etype)((contains_struct_check ((etype), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 85, __FUNCTION__))->typed.type) && TREE_CODE (TREE_TYPE (etype))((enum tree_code) (((contains_struct_check ((etype), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 85, __FUNCTION__))->typed.type))->base.code) == ARRAY_TYPE) |
| 86 | etype = TREE_TYPE (etype)((contains_struct_check ((etype), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 86, __FUNCTION__))->typed.type); |
| 87 | gfc_add_modify (&se->pre, gfc_conv_descriptor_dtype (desc), |
| 88 | gfc_get_dtype_rank_type (0, etype)); |
| 89 | gfc_conv_descriptor_data_set (&se->pre, desc, scalar); |
| 90 | |
| 91 | /* Copy pointer address back - but only if it could have changed and |
| 92 | if the actual argument is a pointer and not, e.g., NULL(). */ |
| 93 | if ((attr.pointer || attr.allocatable) && attr.intent != INTENT_IN) |
| 94 | gfc_add_modify (&se->post, scalar, |
| 95 | fold_convert (TREE_TYPE (scalar),fold_convert_loc (((location_t) 0), ((contains_struct_check ( (scalar), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 95, __FUNCTION__))->typed.type), gfc_conv_descriptor_data_get (desc)) |
| 96 | gfc_conv_descriptor_data_get (desc))fold_convert_loc (((location_t) 0), ((contains_struct_check ( (scalar), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 95, __FUNCTION__))->typed.type), gfc_conv_descriptor_data_get (desc))); |
| 97 | return desc; |
| 98 | } |
| 99 | |
| 100 | |
| 101 | /* Get the coarray token from the ultimate array or component ref. |
| 102 | Returns a NULL_TREE, when the ref object is not allocatable or pointer. */ |
| 103 | |
| 104 | tree |
| 105 | gfc_get_ultimate_alloc_ptr_comps_caf_token (gfc_se *outerse, gfc_expr *expr) |
| 106 | { |
| 107 | gfc_symbol *sym = expr->symtree->n.sym; |
| 108 | bool is_coarray = sym->attr.codimension; |
| 109 | gfc_expr *caf_expr = gfc_copy_expr (expr); |
| 110 | gfc_ref *ref = caf_expr->ref, *last_caf_ref = NULL__null; |
| 111 | |
| 112 | while (ref) |
| 113 | { |
| 114 | if (ref->type == REF_COMPONENT |
| 115 | && (ref->u.c.component->attr.allocatable |
| 116 | || ref->u.c.component->attr.pointer) |
| 117 | && (is_coarray || ref->u.c.component->attr.codimension)) |
| 118 | last_caf_ref = ref; |
| 119 | ref = ref->next; |
| 120 | } |
| 121 | |
| 122 | if (last_caf_ref == NULL__null) |
| 123 | return NULL_TREE(tree) __null; |
| 124 | |
| 125 | tree comp = last_caf_ref->u.c.component->caf_token, caf; |
| 126 | gfc_se se; |
| 127 | bool comp_ref = !last_caf_ref->u.c.component->attr.dimension; |
| 128 | if (comp == NULL_TREE(tree) __null && comp_ref) |
| 129 | return NULL_TREE(tree) __null; |
| 130 | gfc_init_se (&se, outerse); |
| 131 | gfc_free_ref_list (last_caf_ref->next); |
| 132 | last_caf_ref->next = NULL__null; |
| 133 | caf_expr->rank = comp_ref ? 0 : last_caf_ref->u.c.component->as->rank; |
| 134 | se.want_pointer = comp_ref; |
| 135 | gfc_conv_expr (&se, caf_expr); |
| 136 | gfc_add_block_to_block (&outerse->pre, &se.pre); |
| 137 | |
| 138 | if (TREE_CODE (se.expr)((enum tree_code) (se.expr)->base.code) == COMPONENT_REF && comp_ref) |
| 139 | se.expr = TREE_OPERAND (se.expr, 0)(*((const_cast<tree*> (tree_operand_check ((se.expr), ( 0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 139, __FUNCTION__))))); |
| 140 | gfc_free_expr (caf_expr); |
| 141 | |
| 142 | if (comp_ref) |
| 143 | caf = fold_build3_loc (input_location, COMPONENT_REF, |
| 144 | TREE_TYPE (comp)((contains_struct_check ((comp), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 144, __FUNCTION__))->typed.type), se.expr, comp, NULL_TREE(tree) __null); |
| 145 | else |
| 146 | caf = gfc_conv_descriptor_token (se.expr); |
| 147 | return gfc_build_addr_expr (NULL_TREE(tree) __null, caf); |
| 148 | } |
| 149 | |
| 150 | |
| 151 | /* This is the seed for an eventual trans-class.c |
| 152 | |
| 153 | The following parameters should not be used directly since they might |
| 154 | in future implementations. Use the corresponding APIs. */ |
| 155 | #define CLASS_DATA_FIELD 0 |
| 156 | #define CLASS_VPTR_FIELD 1 |
| 157 | #define CLASS_LEN_FIELD 2 |
| 158 | #define VTABLE_HASH_FIELD 0 |
| 159 | #define VTABLE_SIZE_FIELD 1 |
| 160 | #define VTABLE_EXTENDS_FIELD 2 |
| 161 | #define VTABLE_DEF_INIT_FIELD 3 |
| 162 | #define VTABLE_COPY_FIELD 4 |
| 163 | #define VTABLE_FINAL_FIELD 5 |
| 164 | #define VTABLE_DEALLOCATE_FIELD6 6 |
| 165 | |
| 166 | |
| 167 | tree |
| 168 | gfc_class_set_static_fields (tree decl, tree vptr, tree data) |
| 169 | { |
| 170 | tree tmp; |
| 171 | tree field; |
| 172 | vec<constructor_elt, va_gc> *init = NULL__null; |
| 173 | |
| 174 | field = TYPE_FIELDS (TREE_TYPE (decl))((tree_check3 ((((contains_struct_check ((decl), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 174, __FUNCTION__))->typed.type)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 174, __FUNCTION__, (RECORD_TYPE), (UNION_TYPE), (QUAL_UNION_TYPE )))->type_non_common.values); |
| 175 | tmp = gfc_advance_chain (field, CLASS_DATA_FIELD); |
| 176 | CONSTRUCTOR_APPEND_ELT (init, tmp, data)do { constructor_elt _ce___ = {tmp, data}; vec_safe_push ((init ), _ce___); } while (0); |
| 177 | |
| 178 | tmp = gfc_advance_chain (field, CLASS_VPTR_FIELD); |
| 179 | CONSTRUCTOR_APPEND_ELT (init, tmp, vptr)do { constructor_elt _ce___ = {tmp, vptr}; vec_safe_push ((init ), _ce___); } while (0); |
| 180 | |
| 181 | return build_constructor (TREE_TYPE (decl)((contains_struct_check ((decl), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 181, __FUNCTION__))->typed.type), init); |
| 182 | } |
| 183 | |
| 184 | |
| 185 | tree |
| 186 | gfc_class_data_get (tree decl) |
| 187 | { |
| 188 | tree data; |
| 189 | if (POINTER_TYPE_P (TREE_TYPE (decl))(((enum tree_code) (((contains_struct_check ((decl), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 189, __FUNCTION__))->typed.type))->base.code) == POINTER_TYPE || ((enum tree_code) (((contains_struct_check ((decl), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 189, __FUNCTION__))->typed.type))->base.code) == REFERENCE_TYPE )) |
| 190 | decl = build_fold_indirect_ref_loc (input_location, decl); |
| 191 | data = gfc_advance_chain (TYPE_FIELDS (TREE_TYPE (decl))((tree_check3 ((((contains_struct_check ((decl), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 191, __FUNCTION__))->typed.type)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 191, __FUNCTION__, (RECORD_TYPE), (UNION_TYPE), (QUAL_UNION_TYPE )))->type_non_common.values), |
| 192 | CLASS_DATA_FIELD); |
| 193 | return fold_build3_loc (input_location, COMPONENT_REF, |
| 194 | TREE_TYPE (data)((contains_struct_check ((data), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 194, __FUNCTION__))->typed.type), decl, data, |
| 195 | NULL_TREE(tree) __null); |
| 196 | } |
| 197 | |
| 198 | |
| 199 | tree |
| 200 | gfc_class_vptr_get (tree decl) |
| 201 | { |
| 202 | tree vptr; |
| 203 | /* For class arrays decl may be a temporary descriptor handle, the vptr is |
| 204 | then available through the saved descriptor. */ |
| 205 | if (VAR_P (decl)(((enum tree_code) (decl)->base.code) == VAR_DECL) && DECL_LANG_SPECIFIC (decl)((contains_struct_check ((decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 205, __FUNCTION__))->decl_common.lang_specific) |
| 206 | && GFC_DECL_SAVED_DESCRIPTOR (decl)(((contains_struct_check ((decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 206, __FUNCTION__))->decl_common.lang_specific)->saved_descriptor )) |
| 207 | decl = GFC_DECL_SAVED_DESCRIPTOR (decl)(((contains_struct_check ((decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 207, __FUNCTION__))->decl_common.lang_specific)->saved_descriptor ); |
| 208 | if (POINTER_TYPE_P (TREE_TYPE (decl))(((enum tree_code) (((contains_struct_check ((decl), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 208, __FUNCTION__))->typed.type))->base.code) == POINTER_TYPE || ((enum tree_code) (((contains_struct_check ((decl), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 208, __FUNCTION__))->typed.type))->base.code) == REFERENCE_TYPE )) |
| 209 | decl = build_fold_indirect_ref_loc (input_location, decl); |
| 210 | vptr = gfc_advance_chain (TYPE_FIELDS (TREE_TYPE (decl))((tree_check3 ((((contains_struct_check ((decl), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 210, __FUNCTION__))->typed.type)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 210, __FUNCTION__, (RECORD_TYPE), (UNION_TYPE), (QUAL_UNION_TYPE )))->type_non_common.values), |
| 211 | CLASS_VPTR_FIELD); |
| 212 | return fold_build3_loc (input_location, COMPONENT_REF, |
| 213 | TREE_TYPE (vptr)((contains_struct_check ((vptr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 213, __FUNCTION__))->typed.type), decl, vptr, |
| 214 | NULL_TREE(tree) __null); |
| 215 | } |
| 216 | |
| 217 | |
| 218 | tree |
| 219 | gfc_class_len_get (tree decl) |
| 220 | { |
| 221 | tree len; |
| 222 | /* For class arrays decl may be a temporary descriptor handle, the len is |
| 223 | then available through the saved descriptor. */ |
| 224 | if (VAR_P (decl)(((enum tree_code) (decl)->base.code) == VAR_DECL) && DECL_LANG_SPECIFIC (decl)((contains_struct_check ((decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 224, __FUNCTION__))->decl_common.lang_specific) |
| 225 | && GFC_DECL_SAVED_DESCRIPTOR (decl)(((contains_struct_check ((decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 225, __FUNCTION__))->decl_common.lang_specific)->saved_descriptor )) |
| 226 | decl = GFC_DECL_SAVED_DESCRIPTOR (decl)(((contains_struct_check ((decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 226, __FUNCTION__))->decl_common.lang_specific)->saved_descriptor ); |
| 227 | if (POINTER_TYPE_P (TREE_TYPE (decl))(((enum tree_code) (((contains_struct_check ((decl), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 227, __FUNCTION__))->typed.type))->base.code) == POINTER_TYPE || ((enum tree_code) (((contains_struct_check ((decl), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 227, __FUNCTION__))->typed.type))->base.code) == REFERENCE_TYPE )) |
| 228 | decl = build_fold_indirect_ref_loc (input_location, decl); |
| 229 | len = gfc_advance_chain (TYPE_FIELDS (TREE_TYPE (decl))((tree_check3 ((((contains_struct_check ((decl), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 229, __FUNCTION__))->typed.type)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 229, __FUNCTION__, (RECORD_TYPE), (UNION_TYPE), (QUAL_UNION_TYPE )))->type_non_common.values), |
| 230 | CLASS_LEN_FIELD); |
| 231 | return fold_build3_loc (input_location, COMPONENT_REF, |
| 232 | TREE_TYPE (len)((contains_struct_check ((len), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 232, __FUNCTION__))->typed.type), decl, len, |
| 233 | NULL_TREE(tree) __null); |
| 234 | } |
| 235 | |
| 236 | |
| 237 | /* Try to get the _len component of a class. When the class is not unlimited |
| 238 | poly, i.e. no _len field exists, then return a zero node. */ |
| 239 | |
| 240 | tree |
| 241 | gfc_class_len_or_zero_get (tree decl) |
| 242 | { |
| 243 | tree len; |
| 244 | /* For class arrays decl may be a temporary descriptor handle, the vptr is |
| 245 | then available through the saved descriptor. */ |
| 246 | if (VAR_P (decl)(((enum tree_code) (decl)->base.code) == VAR_DECL) && DECL_LANG_SPECIFIC (decl)((contains_struct_check ((decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 246, __FUNCTION__))->decl_common.lang_specific) |
| 247 | && GFC_DECL_SAVED_DESCRIPTOR (decl)(((contains_struct_check ((decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 247, __FUNCTION__))->decl_common.lang_specific)->saved_descriptor )) |
| 248 | decl = GFC_DECL_SAVED_DESCRIPTOR (decl)(((contains_struct_check ((decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 248, __FUNCTION__))->decl_common.lang_specific)->saved_descriptor ); |
| 249 | if (POINTER_TYPE_P (TREE_TYPE (decl))(((enum tree_code) (((contains_struct_check ((decl), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 249, __FUNCTION__))->typed.type))->base.code) == POINTER_TYPE || ((enum tree_code) (((contains_struct_check ((decl), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 249, __FUNCTION__))->typed.type))->base.code) == REFERENCE_TYPE )) |
| 250 | decl = build_fold_indirect_ref_loc (input_location, decl); |
| 251 | len = gfc_advance_chain (TYPE_FIELDS (TREE_TYPE (decl))((tree_check3 ((((contains_struct_check ((decl), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 251, __FUNCTION__))->typed.type)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 251, __FUNCTION__, (RECORD_TYPE), (UNION_TYPE), (QUAL_UNION_TYPE )))->type_non_common.values), |
| 252 | CLASS_LEN_FIELD); |
| 253 | return len != NULL_TREE(tree) __null ? fold_build3_loc (input_location, COMPONENT_REF, |
| 254 | TREE_TYPE (len)((contains_struct_check ((len), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 254, __FUNCTION__))->typed.type), decl, len, |
| 255 | NULL_TREE(tree) __null) |
| 256 | : build_zero_cst (gfc_charlen_type_node); |
| 257 | } |
| 258 | |
| 259 | |
| 260 | tree |
| 261 | gfc_resize_class_size_with_len (stmtblock_t * block, tree class_expr, tree size) |
| 262 | { |
| 263 | tree tmp; |
| 264 | tree tmp2; |
| 265 | tree type; |
| 266 | |
| 267 | tmp = gfc_class_len_or_zero_get (class_expr); |
| 268 | |
| 269 | /* Include the len value in the element size if present. */ |
| 270 | if (!integer_zerop (tmp)) |
| 271 | { |
| 272 | type = TREE_TYPE (size)((contains_struct_check ((size), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 272, __FUNCTION__))->typed.type); |
| 273 | if (block) |
| 274 | { |
| 275 | size = gfc_evaluate_now (size, block); |
| 276 | tmp = gfc_evaluate_now (fold_convert (type , tmp)fold_convert_loc (((location_t) 0), type, tmp), block); |
| 277 | } |
| 278 | tmp2 = fold_build2_loc (input_location, MULT_EXPR, |
| 279 | type, size, tmp); |
| 280 | tmp = fold_build2_loc (input_location, GT_EXPR, |
| 281 | logical_type_node, tmp, |
| 282 | build_zero_cst (type)); |
| 283 | size = fold_build3_loc (input_location, COND_EXPR, |
| 284 | type, tmp, tmp2, size); |
| 285 | } |
| 286 | else |
| 287 | return size; |
| 288 | |
| 289 | if (block) |
| 290 | size = gfc_evaluate_now (size, block); |
| 291 | |
| 292 | return size; |
| 293 | } |
| 294 | |
| 295 | |
| 296 | /* Get the specified FIELD from the VPTR. */ |
| 297 | |
| 298 | static tree |
| 299 | vptr_field_get (tree vptr, int fieldno) |
| 300 | { |
| 301 | tree field; |
| 302 | vptr = build_fold_indirect_ref_loc (input_location, vptr); |
| 303 | field = gfc_advance_chain (TYPE_FIELDS (TREE_TYPE (vptr))((tree_check3 ((((contains_struct_check ((vptr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 303, __FUNCTION__))->typed.type)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 303, __FUNCTION__, (RECORD_TYPE), (UNION_TYPE), (QUAL_UNION_TYPE )))->type_non_common.values), |
| 304 | fieldno); |
| 305 | field = fold_build3_loc (input_location, COMPONENT_REF, |
| 306 | TREE_TYPE (field)((contains_struct_check ((field), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 306, __FUNCTION__))->typed.type), vptr, field, |
| 307 | NULL_TREE(tree) __null); |
| 308 | gcc_assert (field)((void)(!(field) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 308, __FUNCTION__), 0 : 0)); |
| 309 | return field; |
| 310 | } |
| 311 | |
| 312 | |
| 313 | /* Get the field from the class' vptr. */ |
| 314 | |
| 315 | static tree |
| 316 | class_vtab_field_get (tree decl, int fieldno) |
| 317 | { |
| 318 | tree vptr; |
| 319 | vptr = gfc_class_vptr_get (decl); |
| 320 | return vptr_field_get (vptr, fieldno); |
| 321 | } |
| 322 | |
| 323 | |
| 324 | /* Define a macro for creating the class_vtab_* and vptr_* accessors in |
| 325 | unison. */ |
| 326 | #define VTAB_GET_FIELD_GEN(name, field)tree gfc_class_vtab_name_get (tree cl) { return class_vtab_field_get (cl, field); } tree gfc_vptr_name_get (tree vptr) { return vptr_field_get (vptr, field); } tree \ |
| 327 | gfc_class_vtab_## name ##_get (tree cl) \ |
| 328 | { \ |
| 329 | return class_vtab_field_get (cl, field); \ |
| 330 | } \ |
| 331 | \ |
| 332 | tree \ |
| 333 | gfc_vptr_## name ##_get (tree vptr) \ |
| 334 | { \ |
| 335 | return vptr_field_get (vptr, field); \ |
| 336 | } |
| 337 | |
| 338 | VTAB_GET_FIELD_GEN (hash, VTABLE_HASH_FIELD)tree gfc_class_vtab_hash_get (tree cl) { return class_vtab_field_get (cl, VTABLE_HASH_FIELD); } tree gfc_vptr_hash_get (tree vptr ) { return vptr_field_get (vptr, VTABLE_HASH_FIELD); } |
| 339 | VTAB_GET_FIELD_GEN (extends, VTABLE_EXTENDS_FIELD)tree gfc_class_vtab_extends_get (tree cl) { return class_vtab_field_get (cl, VTABLE_EXTENDS_FIELD); } tree gfc_vptr_extends_get (tree vptr) { return vptr_field_get (vptr, VTABLE_EXTENDS_FIELD); } |
| 340 | VTAB_GET_FIELD_GEN (def_init, VTABLE_DEF_INIT_FIELD)tree gfc_class_vtab_def_init_get (tree cl) { return class_vtab_field_get (cl, VTABLE_DEF_INIT_FIELD); } tree gfc_vptr_def_init_get (tree vptr) { return vptr_field_get (vptr, VTABLE_DEF_INIT_FIELD); } |
| 341 | VTAB_GET_FIELD_GEN (copy, VTABLE_COPY_FIELD)tree gfc_class_vtab_copy_get (tree cl) { return class_vtab_field_get (cl, VTABLE_COPY_FIELD); } tree gfc_vptr_copy_get (tree vptr ) { return vptr_field_get (vptr, VTABLE_COPY_FIELD); } |
| 342 | VTAB_GET_FIELD_GEN (final, VTABLE_FINAL_FIELD)tree gfc_class_vtab_final_get (tree cl) { return class_vtab_field_get (cl, VTABLE_FINAL_FIELD); } tree gfc_vptr_final_get (tree vptr ) { return vptr_field_get (vptr, VTABLE_FINAL_FIELD); } |
| 343 | VTAB_GET_FIELD_GEN (deallocate, VTABLE_DEALLOCATE_FIELD)tree gfc_class_vtab_deallocate_get (tree cl) { return class_vtab_field_get (cl, 6); } tree gfc_vptr_deallocate_get (tree vptr) { return vptr_field_get (vptr, 6); } |
| 344 | |
| 345 | |
| 346 | /* The size field is returned as an array index type. Therefore treat |
| 347 | it and only it specially. */ |
| 348 | |
| 349 | tree |
| 350 | gfc_class_vtab_size_get (tree cl) |
| 351 | { |
| 352 | tree size; |
| 353 | size = class_vtab_field_get (cl, VTABLE_SIZE_FIELD); |
| 354 | /* Always return size as an array index type. */ |
| 355 | size = fold_convert (gfc_array_index_type, size)fold_convert_loc (((location_t) 0), gfc_array_index_type, size ); |
| 356 | gcc_assert (size)((void)(!(size) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 356, __FUNCTION__), 0 : 0)); |
| 357 | return size; |
| 358 | } |
| 359 | |
| 360 | tree |
| 361 | gfc_vptr_size_get (tree vptr) |
| 362 | { |
| 363 | tree size; |
| 364 | size = vptr_field_get (vptr, VTABLE_SIZE_FIELD); |
| 365 | /* Always return size as an array index type. */ |
| 366 | size = fold_convert (gfc_array_index_type, size)fold_convert_loc (((location_t) 0), gfc_array_index_type, size ); |
| 367 | gcc_assert (size)((void)(!(size) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 367, __FUNCTION__), 0 : 0)); |
| 368 | return size; |
| 369 | } |
| 370 | |
| 371 | |
| 372 | #undef CLASS_DATA_FIELD |
| 373 | #undef CLASS_VPTR_FIELD |
| 374 | #undef CLASS_LEN_FIELD |
| 375 | #undef VTABLE_HASH_FIELD |
| 376 | #undef VTABLE_SIZE_FIELD |
| 377 | #undef VTABLE_EXTENDS_FIELD |
| 378 | #undef VTABLE_DEF_INIT_FIELD |
| 379 | #undef VTABLE_COPY_FIELD |
| 380 | #undef VTABLE_FINAL_FIELD |
| 381 | |
| 382 | |
| 383 | /* Search for the last _class ref in the chain of references of this |
| 384 | expression and cut the chain there. Albeit this routine is similiar |
| 385 | to class.c::gfc_add_component_ref (), is there a significant |
| 386 | difference: gfc_add_component_ref () concentrates on an array ref to |
| 387 | be the last ref in the chain. This routine is oblivious to the kind |
| 388 | of refs following. */ |
| 389 | |
| 390 | gfc_expr * |
| 391 | gfc_find_and_cut_at_last_class_ref (gfc_expr *e, bool is_mold) |
| 392 | { |
| 393 | gfc_expr *base_expr; |
| 394 | gfc_ref *ref, *class_ref, *tail = NULL__null, *array_ref; |
| 395 | |
| 396 | /* Find the last class reference. */ |
| 397 | class_ref = NULL__null; |
| 398 | array_ref = NULL__null; |
| 399 | for (ref = e->ref; ref; ref = ref->next) |
| 400 | { |
| 401 | if (ref->type == REF_ARRAY && ref->u.ar.type != AR_ELEMENT) |
| 402 | array_ref = ref; |
| 403 | |
| 404 | if (ref->type == REF_COMPONENT |
| 405 | && ref->u.c.component->ts.type == BT_CLASS) |
| 406 | { |
| 407 | /* Component to the right of a part reference with nonzero rank |
| 408 | must not have the ALLOCATABLE attribute. If attempts are |
| 409 | made to reference such a component reference, an error results |
| 410 | followed by an ICE. */ |
| 411 | if (array_ref && CLASS_DATA (ref->u.c.component)ref->u.c.component->ts.u.derived->components->attr.allocatable) |
| 412 | return NULL__null; |
| 413 | class_ref = ref; |
| 414 | } |
| 415 | |
| 416 | if (ref->next == NULL__null) |
| 417 | break; |
| 418 | } |
| 419 | |
| 420 | /* Remove and store all subsequent references after the |
| 421 | CLASS reference. */ |
| 422 | if (class_ref) |
| 423 | { |
| 424 | tail = class_ref->next; |
| 425 | class_ref->next = NULL__null; |
| 426 | } |
| 427 | else if (e->symtree && e->symtree->n.sym->ts.type == BT_CLASS) |
| 428 | { |
| 429 | tail = e->ref; |
| 430 | e->ref = NULL__null; |
| 431 | } |
| 432 | |
| 433 | if (is_mold) |
| 434 | base_expr = gfc_expr_to_initialize (e); |
| 435 | else |
| 436 | base_expr = gfc_copy_expr (e); |
| 437 | |
| 438 | /* Restore the original tail expression. */ |
| 439 | if (class_ref) |
| 440 | { |
| 441 | gfc_free_ref_list (class_ref->next); |
| 442 | class_ref->next = tail; |
| 443 | } |
| 444 | else if (e->symtree && e->symtree->n.sym->ts.type == BT_CLASS) |
| 445 | { |
| 446 | gfc_free_ref_list (e->ref); |
| 447 | e->ref = tail; |
| 448 | } |
| 449 | return base_expr; |
| 450 | } |
| 451 | |
| 452 | |
| 453 | /* Reset the vptr to the declared type, e.g. after deallocation. */ |
| 454 | |
| 455 | void |
| 456 | gfc_reset_vptr (stmtblock_t *block, gfc_expr *e) |
| 457 | { |
| 458 | gfc_symbol *vtab; |
| 459 | tree vptr; |
| 460 | tree vtable; |
| 461 | gfc_se se; |
| 462 | |
| 463 | /* Evaluate the expression and obtain the vptr from it. */ |
| 464 | gfc_init_se (&se, NULL__null); |
| 465 | if (e->rank) |
| 466 | gfc_conv_expr_descriptor (&se, e); |
| 467 | else |
| 468 | gfc_conv_expr (&se, e); |
| 469 | gfc_add_block_to_block (block, &se.pre); |
| 470 | vptr = gfc_get_vptr_from_expr (se.expr); |
| 471 | |
| 472 | /* If a vptr is not found, we can do nothing more. */ |
| 473 | if (vptr == NULL_TREE(tree) __null) |
| 474 | return; |
| 475 | |
| 476 | if (UNLIMITED_POLY (e)(e != __null && e->ts.type == BT_CLASS && e ->ts.u.derived->components && e->ts.u.derived ->components->ts.u.derived && e->ts.u.derived ->components->ts.u.derived->attr.unlimited_polymorphic )) |
| 477 | gfc_add_modify (block, vptr, build_int_cst (TREE_TYPE (vptr)((contains_struct_check ((vptr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 477, __FUNCTION__))->typed.type), 0)); |
| 478 | else |
| 479 | { |
| 480 | /* Return the vptr to the address of the declared type. */ |
| 481 | vtab = gfc_find_derived_vtab (e->ts.u.derived); |
| 482 | vtable = vtab->backend_decl; |
| 483 | if (vtable == NULL_TREE(tree) __null) |
| 484 | vtable = gfc_get_symbol_decl (vtab); |
| 485 | vtable = gfc_build_addr_expr (NULL__null, vtable); |
| 486 | vtable = fold_convert (TREE_TYPE (vptr), vtable)fold_convert_loc (((location_t) 0), ((contains_struct_check ( (vptr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 486, __FUNCTION__))->typed.type), vtable); |
| 487 | gfc_add_modify (block, vptr, vtable); |
| 488 | } |
| 489 | } |
| 490 | |
| 491 | |
| 492 | /* Reset the len for unlimited polymorphic objects. */ |
| 493 | |
| 494 | void |
| 495 | gfc_reset_len (stmtblock_t *block, gfc_expr *expr) |
| 496 | { |
| 497 | gfc_expr *e; |
| 498 | gfc_se se_len; |
| 499 | e = gfc_find_and_cut_at_last_class_ref (expr); |
| 500 | if (e == NULL__null) |
| 501 | return; |
| 502 | gfc_add_len_component (e)gfc_add_component_ref(e,"_len"); |
| 503 | gfc_init_se (&se_len, NULL__null); |
| 504 | gfc_conv_expr (&se_len, e); |
| 505 | gfc_add_modify (block, se_len.expr, |
| 506 | fold_convert (TREE_TYPE (se_len.expr), integer_zero_node)fold_convert_loc (((location_t) 0), ((contains_struct_check ( (se_len.expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 506, __FUNCTION__))->typed.type), global_trees[TI_INTEGER_ZERO ])); |
| 507 | gfc_free_expr (e); |
| 508 | } |
| 509 | |
| 510 | |
| 511 | /* Obtain the last class reference in a gfc_expr. Return NULL_TREE if no class |
| 512 | reference is found. Note that it is up to the caller to avoid using this |
| 513 | for expressions other than variables. */ |
| 514 | |
| 515 | tree |
| 516 | gfc_get_class_from_gfc_expr (gfc_expr *e) |
| 517 | { |
| 518 | gfc_expr *class_expr; |
| 519 | gfc_se cse; |
| 520 | class_expr = gfc_find_and_cut_at_last_class_ref (e); |
| 521 | if (class_expr == NULL__null) |
| 522 | return NULL_TREE(tree) __null; |
| 523 | gfc_init_se (&cse, NULL__null); |
| 524 | gfc_conv_expr (&cse, class_expr); |
| 525 | gfc_free_expr (class_expr); |
| 526 | return cse.expr; |
| 527 | } |
| 528 | |
| 529 | |
| 530 | /* Obtain the last class reference in an expression. |
| 531 | Return NULL_TREE if no class reference is found. */ |
| 532 | |
| 533 | tree |
| 534 | gfc_get_class_from_expr (tree expr) |
| 535 | { |
| 536 | tree tmp; |
| 537 | tree type; |
| 538 | |
| 539 | for (tmp = expr; tmp; tmp = TREE_OPERAND (tmp, 0)(*((const_cast<tree*> (tree_operand_check ((tmp), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 539, __FUNCTION__)))))) |
| 540 | { |
| 541 | if (CONSTANT_CLASS_P (tmp)(tree_code_type[(int) (((enum tree_code) (tmp)->base.code) )] == tcc_constant)) |
| 542 | return NULL_TREE(tree) __null; |
| 543 | |
| 544 | type = TREE_TYPE (tmp)((contains_struct_check ((tmp), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 544, __FUNCTION__))->typed.type); |
| 545 | while (type) |
| 546 | { |
| 547 | if (GFC_CLASS_TYPE_P (type)((tree_class_check ((type), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 547, __FUNCTION__))->type_common.lang_flag_4)) |
| 548 | return tmp; |
| 549 | if (type != TYPE_CANONICAL (type)((tree_class_check ((type), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 549, __FUNCTION__))->type_common.canonical)) |
| 550 | type = TYPE_CANONICAL (type)((tree_class_check ((type), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 550, __FUNCTION__))->type_common.canonical); |
| 551 | else |
| 552 | type = NULL_TREE(tree) __null; |
| 553 | } |
| 554 | if (VAR_P (tmp)(((enum tree_code) (tmp)->base.code) == VAR_DECL) || TREE_CODE (tmp)((enum tree_code) (tmp)->base.code) == PARM_DECL) |
| 555 | break; |
| 556 | } |
| 557 | |
| 558 | if (POINTER_TYPE_P (TREE_TYPE (tmp))(((enum tree_code) (((contains_struct_check ((tmp), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 558, __FUNCTION__))->typed.type))->base.code) == POINTER_TYPE || ((enum tree_code) (((contains_struct_check ((tmp), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 558, __FUNCTION__))->typed.type))->base.code) == REFERENCE_TYPE )) |
| 559 | tmp = build_fold_indirect_ref_loc (input_location, tmp); |
| 560 | |
| 561 | if (GFC_CLASS_TYPE_P (TREE_TYPE (tmp))((tree_class_check ((((contains_struct_check ((tmp), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 561, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 561, __FUNCTION__))->type_common.lang_flag_4)) |
| 562 | return tmp; |
| 563 | |
| 564 | return NULL_TREE(tree) __null; |
| 565 | } |
| 566 | |
| 567 | |
| 568 | /* Obtain the vptr of the last class reference in an expression. |
| 569 | Return NULL_TREE if no class reference is found. */ |
| 570 | |
| 571 | tree |
| 572 | gfc_get_vptr_from_expr (tree expr) |
| 573 | { |
| 574 | tree tmp; |
| 575 | |
| 576 | tmp = gfc_get_class_from_expr (expr); |
| 577 | |
| 578 | if (tmp != NULL_TREE(tree) __null) |
| 579 | return gfc_class_vptr_get (tmp); |
| 580 | |
| 581 | return NULL_TREE(tree) __null; |
| 582 | } |
| 583 | |
| 584 | |
| 585 | static void |
| 586 | class_array_data_assign (stmtblock_t *block, tree lhs_desc, tree rhs_desc, |
| 587 | bool lhs_type) |
| 588 | { |
| 589 | tree tmp, tmp2, type; |
| 590 | |
| 591 | gfc_conv_descriptor_data_set (block, lhs_desc, |
| 592 | gfc_conv_descriptor_data_get (rhs_desc)); |
| 593 | gfc_conv_descriptor_offset_set (block, lhs_desc, |
| 594 | gfc_conv_descriptor_offset_get (rhs_desc)); |
| 595 | |
| 596 | gfc_add_modify (block, gfc_conv_descriptor_dtype (lhs_desc), |
| 597 | gfc_conv_descriptor_dtype (rhs_desc)); |
| 598 | |
| 599 | /* Assign the dimension as range-ref. */ |
| 600 | tmp = gfc_get_descriptor_dimension (lhs_desc); |
| 601 | tmp2 = gfc_get_descriptor_dimension (rhs_desc); |
| 602 | |
| 603 | type = lhs_type ? TREE_TYPE (tmp)((contains_struct_check ((tmp), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 603, __FUNCTION__))->typed.type) : TREE_TYPE (tmp2)((contains_struct_check ((tmp2), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 603, __FUNCTION__))->typed.type); |
| 604 | tmp = build4_loc (input_location, ARRAY_RANGE_REF, type, tmp, |
| 605 | gfc_index_zero_nodegfc_rank_cst[0], NULL_TREE(tree) __null, NULL_TREE(tree) __null); |
| 606 | tmp2 = build4_loc (input_location, ARRAY_RANGE_REF, type, tmp2, |
| 607 | gfc_index_zero_nodegfc_rank_cst[0], NULL_TREE(tree) __null, NULL_TREE(tree) __null); |
| 608 | gfc_add_modify (block, tmp, tmp2); |
| 609 | } |
| 610 | |
| 611 | |
| 612 | /* Takes a derived type expression and returns the address of a temporary |
| 613 | class object of the 'declared' type. If vptr is not NULL, this is |
| 614 | used for the temporary class object. |
| 615 | optional_alloc_ptr is false when the dummy is neither allocatable |
| 616 | nor a pointer; that's only relevant for the optional handling. */ |
| 617 | void |
| 618 | gfc_conv_derived_to_class (gfc_se *parmse, gfc_expr *e, |
| 619 | gfc_typespec class_ts, tree vptr, bool optional, |
| 620 | bool optional_alloc_ptr) |
| 621 | { |
| 622 | gfc_symbol *vtab; |
| 623 | tree cond_optional = NULL_TREE(tree) __null; |
| 624 | gfc_ss *ss; |
| 625 | tree ctree; |
| 626 | tree var; |
| 627 | tree tmp; |
| 628 | int dim; |
| 629 | |
| 630 | /* The derived type needs to be converted to a temporary |
| 631 | CLASS object. */ |
| 632 | tmp = gfc_typenode_for_spec (&class_ts); |
| 633 | var = gfc_create_var (tmp, "class"); |
| 634 | |
| 635 | /* Set the vptr. */ |
| 636 | ctree = gfc_class_vptr_get (var); |
| 637 | |
| 638 | if (vptr != NULL_TREE(tree) __null) |
| 639 | { |
| 640 | /* Use the dynamic vptr. */ |
| 641 | tmp = vptr; |
| 642 | } |
| 643 | else |
| 644 | { |
| 645 | /* In this case the vtab corresponds to the derived type and the |
| 646 | vptr must point to it. */ |
| 647 | vtab = gfc_find_derived_vtab (e->ts.u.derived); |
| 648 | gcc_assert (vtab)((void)(!(vtab) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 648, __FUNCTION__), 0 : 0)); |
| 649 | tmp = gfc_build_addr_expr (NULL_TREE(tree) __null, gfc_get_symbol_decl (vtab)); |
| 650 | } |
| 651 | gfc_add_modify (&parmse->pre, ctree, |
| 652 | fold_convert (TREE_TYPE (ctree), tmp)fold_convert_loc (((location_t) 0), ((contains_struct_check ( (ctree), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 652, __FUNCTION__))->typed.type), tmp)); |
| 653 | |
| 654 | /* Now set the data field. */ |
| 655 | ctree = gfc_class_data_get (var); |
| 656 | |
| 657 | if (optional) |
| 658 | cond_optional = gfc_conv_expr_present (e->symtree->n.sym); |
| 659 | |
| 660 | if (parmse->expr && POINTER_TYPE_P (TREE_TYPE (parmse->expr))(((enum tree_code) (((contains_struct_check ((parmse->expr ), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 660, __FUNCTION__))->typed.type))->base.code) == POINTER_TYPE || ((enum tree_code) (((contains_struct_check ((parmse->expr ), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 660, __FUNCTION__))->typed.type))->base.code) == REFERENCE_TYPE )) |
| 661 | { |
| 662 | /* If there is a ready made pointer to a derived type, use it |
| 663 | rather than evaluating the expression again. */ |
| 664 | tmp = fold_convert (TREE_TYPE (ctree), parmse->expr)fold_convert_loc (((location_t) 0), ((contains_struct_check ( (ctree), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 664, __FUNCTION__))->typed.type), parmse->expr); |
| 665 | gfc_add_modify (&parmse->pre, ctree, tmp); |
| 666 | } |
| 667 | else if (parmse->ss && parmse->ss->info && parmse->ss->info->useflags) |
| 668 | { |
| 669 | /* For an array reference in an elemental procedure call we need |
| 670 | to retain the ss to provide the scalarized array reference. */ |
| 671 | gfc_conv_expr_reference (parmse, e); |
| 672 | tmp = fold_convert (TREE_TYPE (ctree), parmse->expr)fold_convert_loc (((location_t) 0), ((contains_struct_check ( (ctree), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 672, __FUNCTION__))->typed.type), parmse->expr); |
| 673 | if (optional) |
| 674 | tmp = build3_loc (input_location, COND_EXPR, TREE_TYPE (tmp)((contains_struct_check ((tmp), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 674, __FUNCTION__))->typed.type), |
| 675 | cond_optional, tmp, |
| 676 | fold_convert (TREE_TYPE (tmp), null_pointer_node)fold_convert_loc (((location_t) 0), ((contains_struct_check ( (tmp), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 676, __FUNCTION__))->typed.type), global_trees[TI_NULL_POINTER ])); |
| 677 | gfc_add_modify (&parmse->pre, ctree, tmp); |
| 678 | } |
| 679 | else |
| 680 | { |
| 681 | ss = gfc_walk_expr (e); |
| 682 | if (ss == gfc_ss_terminator) |
| 683 | { |
| 684 | parmse->ss = NULL__null; |
| 685 | gfc_conv_expr_reference (parmse, e); |
| 686 | |
| 687 | /* Scalar to an assumed-rank array. */ |
| 688 | if (class_ts.u.derived->components->as) |
| 689 | { |
| 690 | tree type; |
| 691 | type = get_scalar_to_descriptor_type (parmse->expr, |
| 692 | gfc_expr_attr (e)); |
| 693 | gfc_add_modify (&parmse->pre, gfc_conv_descriptor_dtype (ctree), |
| 694 | gfc_get_dtype (type)); |
| 695 | if (optional) |
| 696 | parmse->expr = build3_loc (input_location, COND_EXPR, |
| 697 | TREE_TYPE (parmse->expr)((contains_struct_check ((parmse->expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 697, __FUNCTION__))->typed.type), |
| 698 | cond_optional, parmse->expr, |
| 699 | fold_convert (TREE_TYPE (parmse->expr),fold_convert_loc (((location_t) 0), ((contains_struct_check ( (parmse->expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 699, __FUNCTION__))->typed.type), global_trees[TI_NULL_POINTER ]) |
| 700 | null_pointer_node)fold_convert_loc (((location_t) 0), ((contains_struct_check ( (parmse->expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 699, __FUNCTION__))->typed.type), global_trees[TI_NULL_POINTER ])); |
| 701 | gfc_conv_descriptor_data_set (&parmse->pre, ctree, parmse->expr); |
| 702 | } |
| 703 | else |
| 704 | { |
| 705 | tmp = fold_convert (TREE_TYPE (ctree), parmse->expr)fold_convert_loc (((location_t) 0), ((contains_struct_check ( (ctree), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 705, __FUNCTION__))->typed.type), parmse->expr); |
| 706 | if (optional) |
| 707 | tmp = build3_loc (input_location, COND_EXPR, TREE_TYPE (tmp)((contains_struct_check ((tmp), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 707, __FUNCTION__))->typed.type), |
| 708 | cond_optional, tmp, |
| 709 | fold_convert (TREE_TYPE (tmp),fold_convert_loc (((location_t) 0), ((contains_struct_check ( (tmp), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 709, __FUNCTION__))->typed.type), global_trees[TI_NULL_POINTER ]) |
| 710 | null_pointer_node)fold_convert_loc (((location_t) 0), ((contains_struct_check ( (tmp), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 709, __FUNCTION__))->typed.type), global_trees[TI_NULL_POINTER ])); |
| 711 | gfc_add_modify (&parmse->pre, ctree, tmp); |
| 712 | } |
| 713 | } |
| 714 | else |
| 715 | { |
| 716 | stmtblock_t block; |
| 717 | gfc_init_block (&block); |
| 718 | gfc_ref *ref; |
| 719 | |
| 720 | parmse->ss = ss; |
| 721 | parmse->use_offset = 1; |
| 722 | gfc_conv_expr_descriptor (parmse, e); |
| 723 | |
| 724 | /* Detect any array references with vector subscripts. */ |
| 725 | for (ref = e->ref; ref; ref = ref->next) |
| 726 | if (ref->type == REF_ARRAY |
| 727 | && ref->u.ar.type != AR_ELEMENT |
| 728 | && ref->u.ar.type != AR_FULL) |
| 729 | { |
| 730 | for (dim = 0; dim < ref->u.ar.dimen; dim++) |
| 731 | if (ref->u.ar.dimen_type[dim] == DIMEN_VECTOR) |
| 732 | break; |
| 733 | if (dim < ref->u.ar.dimen) |
| 734 | break; |
| 735 | } |
| 736 | |
| 737 | /* Array references with vector subscripts and non-variable expressions |
| 738 | need be converted to a one-based descriptor. */ |
| 739 | if (ref || e->expr_type != EXPR_VARIABLE) |
| 740 | { |
| 741 | for (dim = 0; dim < e->rank; ++dim) |
| 742 | gfc_conv_shift_descriptor_lbound (&block, parmse->expr, dim, |
| 743 | gfc_index_one_nodegfc_rank_cst[1]); |
| 744 | } |
| 745 | |
| 746 | if (e->rank != class_ts.u.derived->components->as->rank) |
| 747 | { |
| 748 | gcc_assert (class_ts.u.derived->components->as->type((void)(!(class_ts.u.derived->components->as->type == AS_ASSUMED_RANK) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 749, __FUNCTION__), 0 : 0)) |
| 749 | == AS_ASSUMED_RANK)((void)(!(class_ts.u.derived->components->as->type == AS_ASSUMED_RANK) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 749, __FUNCTION__), 0 : 0)); |
| 750 | class_array_data_assign (&block, ctree, parmse->expr, false); |
| 751 | } |
| 752 | else |
| 753 | { |
| 754 | if (gfc_expr_attr (e).codimension) |
| 755 | parmse->expr = fold_build1_loc (input_location, |
| 756 | VIEW_CONVERT_EXPR, |
| 757 | TREE_TYPE (ctree)((contains_struct_check ((ctree), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 757, __FUNCTION__))->typed.type), |
| 758 | parmse->expr); |
| 759 | gfc_add_modify (&block, ctree, parmse->expr); |
| 760 | } |
| 761 | |
| 762 | if (optional) |
| 763 | { |
| 764 | tmp = gfc_finish_block (&block); |
| 765 | |
| 766 | gfc_init_block (&block); |
| 767 | gfc_conv_descriptor_data_set (&block, ctree, null_pointer_nodeglobal_trees[TI_NULL_POINTER]); |
| 768 | |
| 769 | tmp = build3_v (COND_EXPR, cond_optional, tmp,fold_build3_loc (input_location, COND_EXPR, global_trees[TI_VOID_TYPE ], cond_optional, tmp, gfc_finish_block (&block)) |
| 770 | gfc_finish_block (&block))fold_build3_loc (input_location, COND_EXPR, global_trees[TI_VOID_TYPE ], cond_optional, tmp, gfc_finish_block (&block)); |
| 771 | gfc_add_expr_to_block (&parmse->pre, tmp); |
| 772 | } |
| 773 | else |
| 774 | gfc_add_block_to_block (&parmse->pre, &block); |
| 775 | } |
| 776 | } |
| 777 | |
| 778 | if (class_ts.u.derived->components->ts.type == BT_DERIVED |
| 779 | && class_ts.u.derived->components->ts.u.derived |
| 780 | ->attr.unlimited_polymorphic) |
| 781 | { |
| 782 | /* Take care about initializing the _len component correctly. */ |
| 783 | ctree = gfc_class_len_get (var); |
| 784 | if (UNLIMITED_POLY (e)(e != __null && e->ts.type == BT_CLASS && e ->ts.u.derived->components && e->ts.u.derived ->components->ts.u.derived && e->ts.u.derived ->components->ts.u.derived->attr.unlimited_polymorphic )) |
| 785 | { |
| 786 | gfc_expr *len; |
| 787 | gfc_se se; |
| 788 | |
| 789 | len = gfc_find_and_cut_at_last_class_ref (e); |
| 790 | gfc_add_len_component (len)gfc_add_component_ref(len,"_len"); |
| 791 | gfc_init_se (&se, NULL__null); |
| 792 | gfc_conv_expr (&se, len); |
| 793 | if (optional) |
| 794 | tmp = build3_loc (input_location, COND_EXPR, TREE_TYPE (se.expr)((contains_struct_check ((se.expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 794, __FUNCTION__))->typed.type), |
| 795 | cond_optional, se.expr, |
| 796 | fold_convert (TREE_TYPE (se.expr),fold_convert_loc (((location_t) 0), ((contains_struct_check ( (se.expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 796, __FUNCTION__))->typed.type), global_trees[TI_INTEGER_ZERO ]) |
| 797 | integer_zero_node)fold_convert_loc (((location_t) 0), ((contains_struct_check ( (se.expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 796, __FUNCTION__))->typed.type), global_trees[TI_INTEGER_ZERO ])); |
| 798 | else |
| 799 | tmp = se.expr; |
| 800 | gfc_free_expr (len); |
| 801 | } |
| 802 | else |
| 803 | tmp = integer_zero_nodeglobal_trees[TI_INTEGER_ZERO]; |
| 804 | gfc_add_modify (&parmse->pre, ctree, fold_convert (TREE_TYPE (ctree),fold_convert_loc (((location_t) 0), ((contains_struct_check ( (ctree), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 804, __FUNCTION__))->typed.type), tmp) |
| 805 | tmp)fold_convert_loc (((location_t) 0), ((contains_struct_check ( (ctree), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 804, __FUNCTION__))->typed.type), tmp)); |
| 806 | } |
| 807 | /* Pass the address of the class object. */ |
| 808 | parmse->expr = gfc_build_addr_expr (NULL_TREE(tree) __null, var); |
| 809 | |
| 810 | if (optional && optional_alloc_ptr) |
| 811 | parmse->expr = build3_loc (input_location, COND_EXPR, |
| 812 | TREE_TYPE (parmse->expr)((contains_struct_check ((parmse->expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 812, __FUNCTION__))->typed.type), |
| 813 | cond_optional, parmse->expr, |
| 814 | fold_convert (TREE_TYPE (parmse->expr),fold_convert_loc (((location_t) 0), ((contains_struct_check ( (parmse->expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 814, __FUNCTION__))->typed.type), global_trees[TI_NULL_POINTER ]) |
| 815 | null_pointer_node)fold_convert_loc (((location_t) 0), ((contains_struct_check ( (parmse->expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 814, __FUNCTION__))->typed.type), global_trees[TI_NULL_POINTER ])); |
| 816 | } |
| 817 | |
| 818 | |
| 819 | /* Create a new class container, which is required as scalar coarrays |
| 820 | have an array descriptor while normal scalars haven't. Optionally, |
| 821 | NULL pointer checks are added if the argument is OPTIONAL. */ |
| 822 | |
| 823 | static void |
| 824 | class_scalar_coarray_to_class (gfc_se *parmse, gfc_expr *e, |
| 825 | gfc_typespec class_ts, bool optional) |
| 826 | { |
| 827 | tree var, ctree, tmp; |
| 828 | stmtblock_t block; |
| 829 | gfc_ref *ref; |
| 830 | gfc_ref *class_ref; |
| 831 | |
| 832 | gfc_init_block (&block); |
| 833 | |
| 834 | class_ref = NULL__null; |
| 835 | for (ref = e->ref; ref; ref = ref->next) |
| 836 | { |
| 837 | if (ref->type == REF_COMPONENT |
| 838 | && ref->u.c.component->ts.type == BT_CLASS) |
| 839 | class_ref = ref; |
| 840 | } |
| 841 | |
| 842 | if (class_ref == NULL__null |
| 843 | && e->symtree && e->symtree->n.sym->ts.type == BT_CLASS) |
| 844 | tmp = e->symtree->n.sym->backend_decl; |
| 845 | else |
| 846 | { |
| 847 | /* Remove everything after the last class reference, convert the |
| 848 | expression and then recover its tailend once more. */ |
| 849 | gfc_se tmpse; |
| 850 | ref = class_ref->next; |
| 851 | class_ref->next = NULL__null; |
| 852 | gfc_init_se (&tmpse, NULL__null); |
| 853 | gfc_conv_expr (&tmpse, e); |
| 854 | class_ref->next = ref; |
| 855 | tmp = tmpse.expr; |
| 856 | } |
| 857 | |
| 858 | var = gfc_typenode_for_spec (&class_ts); |
| 859 | var = gfc_create_var (var, "class"); |
| 860 | |
| 861 | ctree = gfc_class_vptr_get (var); |
| 862 | gfc_add_modify (&block, ctree, |
| 863 | fold_convert (TREE_TYPE (ctree), gfc_class_vptr_get (tmp))fold_convert_loc (((location_t) 0), ((contains_struct_check ( (ctree), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 863, __FUNCTION__))->typed.type), gfc_class_vptr_get (tmp ))); |
| 864 | |
| 865 | ctree = gfc_class_data_get (var); |
| 866 | tmp = gfc_conv_descriptor_data_get (gfc_class_data_get (tmp)); |
| 867 | gfc_add_modify (&block, ctree, fold_convert (TREE_TYPE (ctree), tmp)fold_convert_loc (((location_t) 0), ((contains_struct_check ( (ctree), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 867, __FUNCTION__))->typed.type), tmp)); |
| 868 | |
| 869 | /* Pass the address of the class object. */ |
| 870 | parmse->expr = gfc_build_addr_expr (NULL_TREE(tree) __null, var); |
| 871 | |
| 872 | if (optional) |
| 873 | { |
| 874 | tree cond = gfc_conv_expr_present (e->symtree->n.sym); |
| 875 | tree tmp2; |
| 876 | |
| 877 | tmp = gfc_finish_block (&block); |
| 878 | |
| 879 | gfc_init_block (&block); |
| 880 | tmp2 = gfc_class_data_get (var); |
| 881 | gfc_add_modify (&block, tmp2, fold_convert (TREE_TYPE (tmp2),fold_convert_loc (((location_t) 0), ((contains_struct_check ( (tmp2), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 881, __FUNCTION__))->typed.type), global_trees[TI_NULL_POINTER ]) |
| 882 | null_pointer_node)fold_convert_loc (((location_t) 0), ((contains_struct_check ( (tmp2), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 881, __FUNCTION__))->typed.type), global_trees[TI_NULL_POINTER ])); |
| 883 | tmp2 = gfc_finish_block (&block); |
| 884 | |
| 885 | tmp = build3_loc (input_location, COND_EXPR, void_type_nodeglobal_trees[TI_VOID_TYPE], |
| 886 | cond, tmp, tmp2); |
| 887 | gfc_add_expr_to_block (&parmse->pre, tmp); |
| 888 | } |
| 889 | else |
| 890 | gfc_add_block_to_block (&parmse->pre, &block); |
| 891 | } |
| 892 | |
| 893 | |
| 894 | /* Takes an intrinsic type expression and returns the address of a temporary |
| 895 | class object of the 'declared' type. */ |
| 896 | void |
| 897 | gfc_conv_intrinsic_to_class (gfc_se *parmse, gfc_expr *e, |
| 898 | gfc_typespec class_ts) |
| 899 | { |
| 900 | gfc_symbol *vtab; |
| 901 | gfc_ss *ss; |
| 902 | tree ctree; |
| 903 | tree var; |
| 904 | tree tmp; |
| 905 | int dim; |
| 906 | |
| 907 | /* The intrinsic type needs to be converted to a temporary |
| 908 | CLASS object. */ |
| 909 | tmp = gfc_typenode_for_spec (&class_ts); |
| 910 | var = gfc_create_var (tmp, "class"); |
| 911 | |
| 912 | /* Set the vptr. */ |
| 913 | ctree = gfc_class_vptr_get (var); |
| 914 | |
| 915 | vtab = gfc_find_vtab (&e->ts); |
| 916 | gcc_assert (vtab)((void)(!(vtab) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 916, __FUNCTION__), 0 : 0)); |
| 917 | tmp = gfc_build_addr_expr (NULL_TREE(tree) __null, gfc_get_symbol_decl (vtab)); |
| 918 | gfc_add_modify (&parmse->pre, ctree, |
| 919 | fold_convert (TREE_TYPE (ctree), tmp)fold_convert_loc (((location_t) 0), ((contains_struct_check ( (ctree), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 919, __FUNCTION__))->typed.type), tmp)); |
| 920 | |
| 921 | /* Now set the data field. */ |
| 922 | ctree = gfc_class_data_get (var); |
| 923 | if (parmse->ss && parmse->ss->info->useflags) |
| 924 | { |
| 925 | /* For an array reference in an elemental procedure call we need |
| 926 | to retain the ss to provide the scalarized array reference. */ |
| 927 | gfc_conv_expr_reference (parmse, e); |
| 928 | tmp = fold_convert (TREE_TYPE (ctree), parmse->expr)fold_convert_loc (((location_t) 0), ((contains_struct_check ( (ctree), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 928, __FUNCTION__))->typed.type), parmse->expr); |
| 929 | gfc_add_modify (&parmse->pre, ctree, tmp); |
| 930 | } |
| 931 | else |
| 932 | { |
| 933 | ss = gfc_walk_expr (e); |
| 934 | if (ss == gfc_ss_terminator) |
| 935 | { |
| 936 | parmse->ss = NULL__null; |
| 937 | gfc_conv_expr_reference (parmse, e); |
| 938 | if (class_ts.u.derived->components->as |
| 939 | && class_ts.u.derived->components->as->type == AS_ASSUMED_RANK) |
| 940 | { |
| 941 | tmp = gfc_conv_scalar_to_descriptor (parmse, parmse->expr, |
| 942 | gfc_expr_attr (e)); |
| 943 | tmp = fold_build1_loc (input_location, VIEW_CONVERT_EXPR, |
| 944 | TREE_TYPE (ctree)((contains_struct_check ((ctree), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 944, __FUNCTION__))->typed.type), tmp); |
| 945 | } |
| 946 | else |
| 947 | tmp = fold_convert (TREE_TYPE (ctree), parmse->expr)fold_convert_loc (((location_t) 0), ((contains_struct_check ( (ctree), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 947, __FUNCTION__))->typed.type), parmse->expr); |
| 948 | gfc_add_modify (&parmse->pre, ctree, tmp); |
| 949 | } |
| 950 | else |
| 951 | { |
| 952 | parmse->ss = ss; |
| 953 | parmse->use_offset = 1; |
| 954 | gfc_conv_expr_descriptor (parmse, e); |
| 955 | |
| 956 | /* Array references with vector subscripts and non-variable expressions |
| 957 | need be converted to a one-based descriptor. */ |
| 958 | if (e->expr_type != EXPR_VARIABLE) |
| 959 | { |
| 960 | for (dim = 0; dim < e->rank; ++dim) |
| 961 | gfc_conv_shift_descriptor_lbound (&parmse->pre, parmse->expr, |
| 962 | dim, gfc_index_one_nodegfc_rank_cst[1]); |
| 963 | } |
| 964 | |
| 965 | if (class_ts.u.derived->components->as->rank != e->rank) |
| 966 | { |
| 967 | tmp = fold_build1_loc (input_location, VIEW_CONVERT_EXPR, |
| 968 | TREE_TYPE (ctree)((contains_struct_check ((ctree), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 968, __FUNCTION__))->typed.type), parmse->expr); |
| 969 | gfc_add_modify (&parmse->pre, ctree, tmp); |
| 970 | } |
| 971 | else |
| 972 | gfc_add_modify (&parmse->pre, ctree, parmse->expr); |
| 973 | } |
| 974 | } |
| 975 | |
| 976 | gcc_assert (class_ts.type == BT_CLASS)((void)(!(class_ts.type == BT_CLASS) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 976, __FUNCTION__), 0 : 0)); |
| 977 | if (class_ts.u.derived->components->ts.type == BT_DERIVED |
| 978 | && class_ts.u.derived->components->ts.u.derived |
| 979 | ->attr.unlimited_polymorphic) |
| 980 | { |
| 981 | ctree = gfc_class_len_get (var); |
| 982 | /* When the actual arg is a char array, then set the _len component of the |
| 983 | unlimited polymorphic entity to the length of the string. */ |
| 984 | if (e->ts.type == BT_CHARACTER) |
| 985 | { |
| 986 | /* Start with parmse->string_length because this seems to be set to a |
| 987 | correct value more often. */ |
| 988 | if (parmse->string_length) |
| 989 | tmp = parmse->string_length; |
| 990 | /* When the string_length is not yet set, then try the backend_decl of |
| 991 | the cl. */ |
| 992 | else if (e->ts.u.cl->backend_decl) |
| 993 | tmp = e->ts.u.cl->backend_decl; |
| 994 | /* If both of the above approaches fail, then try to generate an |
| 995 | expression from the input, which is only feasible currently, when the |
| 996 | expression can be evaluated to a constant one. */ |
| 997 | else |
| 998 | { |
| 999 | /* Try to simplify the expression. */ |
| 1000 | gfc_simplify_expr (e, 0); |
| 1001 | if (e->expr_type == EXPR_CONSTANT && !e->ts.u.cl->resolved) |
| 1002 | { |
| 1003 | /* Amazingly all data is present to compute the length of a |
| 1004 | constant string, but the expression is not yet there. */ |
| 1005 | e->ts.u.cl->length = gfc_get_constant_expr (BT_INTEGER, |
| 1006 | gfc_charlen_int_kind, |
| 1007 | &e->where); |
| 1008 | mpz_set_ui__gmpz_set_ui (e->ts.u.cl->length->value.integer, |
| 1009 | e->value.character.length); |
| 1010 | gfc_conv_const_charlen (e->ts.u.cl); |
| 1011 | e->ts.u.cl->resolved = 1; |
| 1012 | tmp = e->ts.u.cl->backend_decl; |
| 1013 | } |
| 1014 | else |
| 1015 | { |
| 1016 | gfc_error ("Cannot compute the length of the char array " |
| 1017 | "at %L.", &e->where); |
| 1018 | } |
| 1019 | } |
| 1020 | } |
| 1021 | else |
| 1022 | tmp = integer_zero_nodeglobal_trees[TI_INTEGER_ZERO]; |
| 1023 | |
| 1024 | gfc_add_modify (&parmse->pre, ctree, fold_convert (TREE_TYPE (ctree), tmp)fold_convert_loc (((location_t) 0), ((contains_struct_check ( (ctree), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1024, __FUNCTION__))->typed.type), tmp)); |
| 1025 | } |
| 1026 | else if (class_ts.type == BT_CLASS |
| 1027 | && class_ts.u.derived->components |
| 1028 | && class_ts.u.derived->components->ts.u |
| 1029 | .derived->attr.unlimited_polymorphic) |
| 1030 | { |
| 1031 | ctree = gfc_class_len_get (var); |
| 1032 | gfc_add_modify (&parmse->pre, ctree, |
| 1033 | fold_convert (TREE_TYPE (ctree),fold_convert_loc (((location_t) 0), ((contains_struct_check ( (ctree), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1033, __FUNCTION__))->typed.type), global_trees[TI_INTEGER_ZERO ]) |
| 1034 | integer_zero_node)fold_convert_loc (((location_t) 0), ((contains_struct_check ( (ctree), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1033, __FUNCTION__))->typed.type), global_trees[TI_INTEGER_ZERO ])); |
| 1035 | } |
| 1036 | /* Pass the address of the class object. */ |
| 1037 | parmse->expr = gfc_build_addr_expr (NULL_TREE(tree) __null, var); |
| 1038 | } |
| 1039 | |
| 1040 | |
| 1041 | /* Takes a scalarized class array expression and returns the |
| 1042 | address of a temporary scalar class object of the 'declared' |
| 1043 | type. |
| 1044 | OOP-TODO: This could be improved by adding code that branched on |
| 1045 | the dynamic type being the same as the declared type. In this case |
| 1046 | the original class expression can be passed directly. |
| 1047 | optional_alloc_ptr is false when the dummy is neither allocatable |
| 1048 | nor a pointer; that's relevant for the optional handling. |
| 1049 | Set copyback to true if class container's _data and _vtab pointers |
| 1050 | might get modified. */ |
| 1051 | |
| 1052 | void |
| 1053 | gfc_conv_class_to_class (gfc_se *parmse, gfc_expr *e, gfc_typespec class_ts, |
| 1054 | bool elemental, bool copyback, bool optional, |
| 1055 | bool optional_alloc_ptr) |
| 1056 | { |
| 1057 | tree ctree; |
| 1058 | tree var; |
| 1059 | tree tmp; |
| 1060 | tree vptr; |
| 1061 | tree cond = NULL_TREE(tree) __null; |
| 1062 | tree slen = NULL_TREE(tree) __null; |
| 1063 | gfc_ref *ref; |
| 1064 | gfc_ref *class_ref; |
| 1065 | stmtblock_t block; |
| 1066 | bool full_array = false; |
| 1067 | |
| 1068 | gfc_init_block (&block); |
| 1069 | |
| 1070 | class_ref = NULL__null; |
| 1071 | for (ref = e->ref; ref; ref = ref->next) |
| 1072 | { |
| 1073 | if (ref->type == REF_COMPONENT |
| 1074 | && ref->u.c.component->ts.type == BT_CLASS) |
| 1075 | class_ref = ref; |
| 1076 | |
| 1077 | if (ref->next == NULL__null) |
| 1078 | break; |
| 1079 | } |
| 1080 | |
| 1081 | if ((ref == NULL__null || class_ref == ref) |
| 1082 | && !(gfc_is_class_array_function (e) && parmse->class_vptr != NULL_TREE(tree) __null) |
| 1083 | && (!class_ts.u.derived->components->as |
| 1084 | || class_ts.u.derived->components->as->rank != -1)) |
| 1085 | return; |
| 1086 | |
| 1087 | /* Test for FULL_ARRAY. */ |
| 1088 | if (e->rank == 0 && gfc_expr_attr (e).codimension |
| 1089 | && gfc_expr_attr (e).dimension) |
| 1090 | full_array = true; |
| 1091 | else |
| 1092 | gfc_is_class_array_ref (e, &full_array); |
| 1093 | |
| 1094 | /* The derived type needs to be converted to a temporary |
| 1095 | CLASS object. */ |
| 1096 | tmp = gfc_typenode_for_spec (&class_ts); |
| 1097 | var = gfc_create_var (tmp, "class"); |
| 1098 | |
| 1099 | /* Set the data. */ |
| 1100 | ctree = gfc_class_data_get (var); |
| 1101 | if (class_ts.u.derived->components->as |
| 1102 | && e->rank != class_ts.u.derived->components->as->rank) |
| 1103 | { |
| 1104 | if (e->rank == 0) |
| 1105 | { |
| 1106 | tree type = get_scalar_to_descriptor_type (parmse->expr, |
| 1107 | gfc_expr_attr (e)); |
| 1108 | gfc_add_modify (&block, gfc_conv_descriptor_dtype (ctree), |
| 1109 | gfc_get_dtype (type)); |
| 1110 | |
| 1111 | tmp = gfc_class_data_get (parmse->expr); |
| 1112 | if (!POINTER_TYPE_P (TREE_TYPE (tmp))(((enum tree_code) (((contains_struct_check ((tmp), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1112, __FUNCTION__))->typed.type))->base.code) == POINTER_TYPE || ((enum tree_code) (((contains_struct_check ((tmp), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1112, __FUNCTION__))->typed.type))->base.code) == REFERENCE_TYPE )) |
| 1113 | tmp = gfc_build_addr_expr (NULL_TREE(tree) __null, tmp); |
| 1114 | |
| 1115 | gfc_conv_descriptor_data_set (&block, ctree, tmp); |
| 1116 | } |
| 1117 | else |
| 1118 | class_array_data_assign (&block, ctree, parmse->expr, false); |
| 1119 | } |
| 1120 | else |
| 1121 | { |
| 1122 | if (TREE_TYPE (parmse->expr)((contains_struct_check ((parmse->expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1122, __FUNCTION__))->typed.type) != TREE_TYPE (ctree)((contains_struct_check ((ctree), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1122, __FUNCTION__))->typed.type)) |
| 1123 | parmse->expr = fold_build1_loc (input_location, VIEW_CONVERT_EXPR, |
| 1124 | TREE_TYPE (ctree)((contains_struct_check ((ctree), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1124, __FUNCTION__))->typed.type), parmse->expr); |
| 1125 | gfc_add_modify (&block, ctree, parmse->expr); |
| 1126 | } |
| 1127 | |
| 1128 | /* Return the data component, except in the case of scalarized array |
| 1129 | references, where nullification of the cannot occur and so there |
| 1130 | is no need. */ |
| 1131 | if (!elemental && full_array && copyback) |
| 1132 | { |
| 1133 | if (class_ts.u.derived->components->as |
| 1134 | && e->rank != class_ts.u.derived->components->as->rank) |
| 1135 | { |
| 1136 | if (e->rank == 0) |
| 1137 | gfc_add_modify (&parmse->post, gfc_class_data_get (parmse->expr), |
| 1138 | gfc_conv_descriptor_data_get (ctree)); |
| 1139 | else |
| 1140 | class_array_data_assign (&parmse->post, parmse->expr, ctree, true); |
| 1141 | } |
| 1142 | else |
| 1143 | gfc_add_modify (&parmse->post, parmse->expr, ctree); |
| 1144 | } |
| 1145 | |
| 1146 | /* Set the vptr. */ |
| 1147 | ctree = gfc_class_vptr_get (var); |
| 1148 | |
| 1149 | /* The vptr is the second field of the actual argument. |
| 1150 | First we have to find the corresponding class reference. */ |
| 1151 | |
| 1152 | tmp = NULL_TREE(tree) __null; |
| 1153 | if (gfc_is_class_array_function (e) |
| 1154 | && parmse->class_vptr != NULL_TREE(tree) __null) |
| 1155 | tmp = parmse->class_vptr; |
| 1156 | else if (class_ref == NULL__null |
| 1157 | && e->symtree && e->symtree->n.sym->ts.type == BT_CLASS) |
| 1158 | { |
| 1159 | tmp = e->symtree->n.sym->backend_decl; |
| 1160 | |
| 1161 | if (TREE_CODE (tmp)((enum tree_code) (tmp)->base.code) == FUNCTION_DECL) |
| 1162 | tmp = gfc_get_fake_result_decl (e->symtree->n.sym, 0); |
| 1163 | |
| 1164 | if (DECL_LANG_SPECIFIC (tmp)((contains_struct_check ((tmp), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1164, __FUNCTION__))->decl_common.lang_specific) && GFC_DECL_SAVED_DESCRIPTOR (tmp)(((contains_struct_check ((tmp), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1164, __FUNCTION__))->decl_common.lang_specific)->saved_descriptor )) |
| 1165 | tmp = GFC_DECL_SAVED_DESCRIPTOR (tmp)(((contains_struct_check ((tmp), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1165, __FUNCTION__))->decl_common.lang_specific)->saved_descriptor ); |
| 1166 | |
| 1167 | slen = build_zero_cst (size_type_nodeglobal_trees[TI_SIZE_TYPE]); |
| 1168 | } |
| 1169 | else |
| 1170 | { |
| 1171 | /* Remove everything after the last class reference, convert the |
| 1172 | expression and then recover its tailend once more. */ |
| 1173 | gfc_se tmpse; |
| 1174 | ref = class_ref->next; |
| 1175 | class_ref->next = NULL__null; |
| 1176 | gfc_init_se (&tmpse, NULL__null); |
| 1177 | gfc_conv_expr (&tmpse, e); |
| 1178 | class_ref->next = ref; |
| 1179 | tmp = tmpse.expr; |
| 1180 | slen = tmpse.string_length; |
| 1181 | } |
| 1182 | |
| 1183 | gcc_assert (tmp != NULL_TREE)((void)(!(tmp != (tree) __null) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1183, __FUNCTION__), 0 : 0)); |
| 1184 | |
| 1185 | /* Dereference if needs be. */ |
| 1186 | if (TREE_CODE (TREE_TYPE (tmp))((enum tree_code) (((contains_struct_check ((tmp), (TS_TYPED) , "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1186, __FUNCTION__))->typed.type))->base.code) == REFERENCE_TYPE) |
| 1187 | tmp = build_fold_indirect_ref_loc (input_location, tmp); |
| 1188 | |
| 1189 | if (!(gfc_is_class_array_function (e) && parmse->class_vptr)) |
| 1190 | vptr = gfc_class_vptr_get (tmp); |
| 1191 | else |
| 1192 | vptr = tmp; |
| 1193 | |
| 1194 | gfc_add_modify (&block, ctree, |
| 1195 | fold_convert (TREE_TYPE (ctree), vptr)fold_convert_loc (((location_t) 0), ((contains_struct_check ( (ctree), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1195, __FUNCTION__))->typed.type), vptr)); |
| 1196 | |
| 1197 | /* Return the vptr component, except in the case of scalarized array |
| 1198 | references, where the dynamic type cannot change. */ |
| 1199 | if (!elemental && full_array && copyback) |
| 1200 | gfc_add_modify (&parmse->post, vptr, |
| 1201 | fold_convert (TREE_TYPE (vptr), ctree)fold_convert_loc (((location_t) 0), ((contains_struct_check ( (vptr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1201, __FUNCTION__))->typed.type), ctree)); |
| 1202 | |
| 1203 | /* For unlimited polymorphic objects also set the _len component. */ |
| 1204 | if (class_ts.type == BT_CLASS |
| 1205 | && class_ts.u.derived->components |
| 1206 | && class_ts.u.derived->components->ts.u |
| 1207 | .derived->attr.unlimited_polymorphic) |
| 1208 | { |
| 1209 | ctree = gfc_class_len_get (var); |
| 1210 | if (UNLIMITED_POLY (e)(e != __null && e->ts.type == BT_CLASS && e ->ts.u.derived->components && e->ts.u.derived ->components->ts.u.derived && e->ts.u.derived ->components->ts.u.derived->attr.unlimited_polymorphic )) |
| 1211 | tmp = gfc_class_len_get (tmp); |
| 1212 | else if (e->ts.type == BT_CHARACTER) |
| 1213 | { |
| 1214 | gcc_assert (slen != NULL_TREE)((void)(!(slen != (tree) __null) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1214, __FUNCTION__), 0 : 0)); |
| 1215 | tmp = slen; |
| 1216 | } |
| 1217 | else |
| 1218 | tmp = build_zero_cst (size_type_nodeglobal_trees[TI_SIZE_TYPE]); |
| 1219 | gfc_add_modify (&parmse->pre, ctree, |
| 1220 | fold_convert (TREE_TYPE (ctree), tmp)fold_convert_loc (((location_t) 0), ((contains_struct_check ( (ctree), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1220, __FUNCTION__))->typed.type), tmp)); |
| 1221 | |
| 1222 | /* Return the len component, except in the case of scalarized array |
| 1223 | references, where the dynamic type cannot change. */ |
| 1224 | if (!elemental && full_array && copyback |
| 1225 | && (UNLIMITED_POLY (e)(e != __null && e->ts.type == BT_CLASS && e ->ts.u.derived->components && e->ts.u.derived ->components->ts.u.derived && e->ts.u.derived ->components->ts.u.derived->attr.unlimited_polymorphic ) || VAR_P (tmp)(((enum tree_code) (tmp)->base.code) == VAR_DECL))) |
| 1226 | gfc_add_modify (&parmse->post, tmp, |
| 1227 | fold_convert (TREE_TYPE (tmp), ctree)fold_convert_loc (((location_t) 0), ((contains_struct_check ( (tmp), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1227, __FUNCTION__))->typed.type), ctree)); |
| 1228 | } |
| 1229 | |
| 1230 | if (optional) |
| 1231 | { |
| 1232 | tree tmp2; |
| 1233 | |
| 1234 | cond = gfc_conv_expr_present (e->symtree->n.sym); |
| 1235 | /* parmse->pre may contain some preparatory instructions for the |
| 1236 | temporary array descriptor. Those may only be executed when the |
| 1237 | optional argument is set, therefore add parmse->pre's instructions |
| 1238 | to block, which is later guarded by an if (optional_arg_given). */ |
| 1239 | gfc_add_block_to_block (&parmse->pre, &block); |
| 1240 | block.head = parmse->pre.head; |
| 1241 | parmse->pre.head = NULL_TREE(tree) __null; |
| 1242 | tmp = gfc_finish_block (&block); |
| 1243 | |
| 1244 | if (optional_alloc_ptr) |
| 1245 | tmp2 = build_empty_stmt (input_location); |
| 1246 | else |
| 1247 | { |
| 1248 | gfc_init_block (&block); |
| 1249 | |
| 1250 | tmp2 = gfc_conv_descriptor_data_get (gfc_class_data_get (var)); |
| 1251 | gfc_add_modify (&block, tmp2, fold_convert (TREE_TYPE (tmp2),fold_convert_loc (((location_t) 0), ((contains_struct_check ( (tmp2), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1251, __FUNCTION__))->typed.type), global_trees[TI_NULL_POINTER ]) |
| 1252 | null_pointer_node)fold_convert_loc (((location_t) 0), ((contains_struct_check ( (tmp2), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1251, __FUNCTION__))->typed.type), global_trees[TI_NULL_POINTER ])); |
| 1253 | tmp2 = gfc_finish_block (&block); |
| 1254 | } |
| 1255 | |
| 1256 | tmp = build3_loc (input_location, COND_EXPR, void_type_nodeglobal_trees[TI_VOID_TYPE], |
| 1257 | cond, tmp, tmp2); |
| 1258 | gfc_add_expr_to_block (&parmse->pre, tmp); |
| 1259 | } |
| 1260 | else |
| 1261 | gfc_add_block_to_block (&parmse->pre, &block); |
| 1262 | |
| 1263 | /* Pass the address of the class object. */ |
| 1264 | parmse->expr = gfc_build_addr_expr (NULL_TREE(tree) __null, var); |
| 1265 | |
| 1266 | if (optional && optional_alloc_ptr) |
| 1267 | parmse->expr = build3_loc (input_location, COND_EXPR, |
| 1268 | TREE_TYPE (parmse->expr)((contains_struct_check ((parmse->expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1268, __FUNCTION__))->typed.type), |
| 1269 | cond, parmse->expr, |
| 1270 | fold_convert (TREE_TYPE (parmse->expr),fold_convert_loc (((location_t) 0), ((contains_struct_check ( (parmse->expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1270, __FUNCTION__))->typed.type), global_trees[TI_NULL_POINTER ]) |
| 1271 | null_pointer_node)fold_convert_loc (((location_t) 0), ((contains_struct_check ( (parmse->expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1270, __FUNCTION__))->typed.type), global_trees[TI_NULL_POINTER ])); |
| 1272 | } |
| 1273 | |
| 1274 | |
| 1275 | /* Given a class array declaration and an index, returns the address |
| 1276 | of the referenced element. */ |
| 1277 | |
| 1278 | tree |
| 1279 | gfc_get_class_array_ref (tree index, tree class_decl, tree data_comp, |
| 1280 | bool unlimited) |
| 1281 | { |
| 1282 | tree data, size, tmp, ctmp, offset, ptr; |
| 1283 | |
| 1284 | data = data_comp != NULL_TREE(tree) __null ? data_comp : |
| 1285 | gfc_class_data_get (class_decl); |
| 1286 | size = gfc_class_vtab_size_get (class_decl); |
| 1287 | |
| 1288 | if (unlimited) |
| 1289 | { |
| 1290 | tmp = fold_convert (gfc_array_index_type,fold_convert_loc (((location_t) 0), gfc_array_index_type, gfc_class_len_get (class_decl)) |
| 1291 | gfc_class_len_get (class_decl))fold_convert_loc (((location_t) 0), gfc_array_index_type, gfc_class_len_get (class_decl)); |
| 1292 | ctmp = fold_build2_loc (input_location, MULT_EXPR, |
| 1293 | gfc_array_index_type, size, tmp); |
| 1294 | tmp = fold_build2_loc (input_location, GT_EXPR, |
| 1295 | logical_type_node, tmp, |
| 1296 | build_zero_cst (TREE_TYPE (tmp)((contains_struct_check ((tmp), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1296, __FUNCTION__))->typed.type))); |
| 1297 | size = fold_build3_loc (input_location, COND_EXPR, |
| 1298 | gfc_array_index_type, tmp, ctmp, size); |
| 1299 | } |
| 1300 | |
| 1301 | offset = fold_build2_loc (input_location, MULT_EXPR, |
| 1302 | gfc_array_index_type, |
| 1303 | index, size); |
| 1304 | |
| 1305 | data = gfc_conv_descriptor_data_get (data); |
| 1306 | ptr = fold_convert (pvoid_type_node, data)fold_convert_loc (((location_t) 0), pvoid_type_node, data); |
| 1307 | ptr = fold_build_pointer_plus_loc (input_location, ptr, offset); |
| 1308 | return fold_convert (TREE_TYPE (data), ptr)fold_convert_loc (((location_t) 0), ((contains_struct_check ( (data), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1308, __FUNCTION__))->typed.type), ptr); |
| 1309 | } |
| 1310 | |
| 1311 | |
| 1312 | /* Copies one class expression to another, assuming that if either |
| 1313 | 'to' or 'from' are arrays they are packed. Should 'from' be |
| 1314 | NULL_TREE, the initialization expression for 'to' is used, assuming |
| 1315 | that the _vptr is set. */ |
| 1316 | |
| 1317 | tree |
| 1318 | gfc_copy_class_to_class (tree from, tree to, tree nelems, bool unlimited) |
| 1319 | { |
| 1320 | tree fcn; |
| 1321 | tree fcn_type; |
| 1322 | tree from_data; |
| 1323 | tree from_len; |
| 1324 | tree to_data; |
| 1325 | tree to_len; |
| 1326 | tree to_ref; |
| 1327 | tree from_ref; |
| 1328 | vec<tree, va_gc> *args; |
| 1329 | tree tmp; |
| 1330 | tree stdcopy; |
| 1331 | tree extcopy; |
| 1332 | tree index; |
| 1333 | bool is_from_desc = false, is_to_class = false; |
| 1334 | |
| 1335 | args = NULL__null; |
| 1336 | /* To prevent warnings on uninitialized variables. */ |
| 1337 | from_len = to_len = NULL_TREE(tree) __null; |
| 1338 | |
| 1339 | if (from != NULL_TREE(tree) __null) |
| 1340 | fcn = gfc_class_vtab_copy_get (from); |
| 1341 | else |
| 1342 | fcn = gfc_class_vtab_copy_get (to); |
| 1343 | |
| 1344 | fcn_type = TREE_TYPE (TREE_TYPE (fcn))((contains_struct_check ((((contains_struct_check ((fcn), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1344, __FUNCTION__))->typed.type)), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1344, __FUNCTION__))->typed.type); |
| 1345 | |
| 1346 | if (from != NULL_TREE(tree) __null) |
| 1347 | { |
| 1348 | is_from_desc = GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (from))((tree_class_check ((((contains_struct_check ((from), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1348, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1348, __FUNCTION__))->type_common.lang_flag_1); |
| 1349 | if (is_from_desc) |
| 1350 | { |
| 1351 | from_data = from; |
| 1352 | from = GFC_DECL_SAVED_DESCRIPTOR (from)(((contains_struct_check ((from), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1352, __FUNCTION__))->decl_common.lang_specific)->saved_descriptor ); |
| 1353 | } |
| 1354 | else |
| 1355 | { |
| 1356 | /* Check that from is a class. When the class is part of a coarray, |
| 1357 | then from is a common pointer and is to be used as is. */ |
| 1358 | tmp = POINTER_TYPE_P (TREE_TYPE (from))(((enum tree_code) (((contains_struct_check ((from), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1358, __FUNCTION__))->typed.type))->base.code) == POINTER_TYPE || ((enum tree_code) (((contains_struct_check ((from), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1358, __FUNCTION__))->typed.type))->base.code) == REFERENCE_TYPE ) |
| 1359 | ? build_fold_indirect_ref (from)build_fold_indirect_ref_loc (((location_t) 0), from) : from; |
| 1360 | from_data = |
| 1361 | (GFC_CLASS_TYPE_P (TREE_TYPE (tmp))((tree_class_check ((((contains_struct_check ((tmp), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1361, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1361, __FUNCTION__))->type_common.lang_flag_4) |
| 1362 | || (DECL_P (tmp)(tree_code_type[(int) (((enum tree_code) (tmp)->base.code) )] == tcc_declaration) && GFC_DECL_CLASS (tmp)((contains_struct_check ((tmp), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1362, __FUNCTION__))->decl_common.lang_flag_8))) |
| 1363 | ? gfc_class_data_get (from) : from; |
| 1364 | is_from_desc = GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (from_data))((tree_class_check ((((contains_struct_check ((from_data), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1364, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1364, __FUNCTION__))->type_common.lang_flag_1); |
| 1365 | } |
| 1366 | } |
| 1367 | else |
| 1368 | from_data = gfc_class_vtab_def_init_get (to); |
| 1369 | |
| 1370 | if (unlimited) |
| 1371 | { |
| 1372 | if (from != NULL_TREE(tree) __null && unlimited) |
| 1373 | from_len = gfc_class_len_or_zero_get (from); |
| 1374 | else |
| 1375 | from_len = build_zero_cst (size_type_nodeglobal_trees[TI_SIZE_TYPE]); |
| 1376 | } |
| 1377 | |
| 1378 | if (GFC_CLASS_TYPE_P (TREE_TYPE (to))((tree_class_check ((((contains_struct_check ((to), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1378, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1378, __FUNCTION__))->type_common.lang_flag_4)) |
| 1379 | { |
| 1380 | is_to_class = true; |
| 1381 | to_data = gfc_class_data_get (to); |
| 1382 | if (unlimited) |
| 1383 | to_len = gfc_class_len_get (to); |
| 1384 | } |
| 1385 | else |
| 1386 | /* When to is a BT_DERIVED and not a BT_CLASS, then to_data == to. */ |
| 1387 | to_data = to; |
| 1388 | |
| 1389 | if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (to_data))((tree_class_check ((((contains_struct_check ((to_data), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1389, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1389, __FUNCTION__))->type_common.lang_flag_1)) |
| 1390 | { |
| 1391 | stmtblock_t loopbody; |
| 1392 | stmtblock_t body; |
| 1393 | stmtblock_t ifbody; |
| 1394 | gfc_loopinfo loop; |
| 1395 | tree orig_nelems = nelems; /* Needed for bounds check. */ |
| 1396 | |
| 1397 | gfc_init_block (&body); |
| 1398 | tmp = fold_build2_loc (input_location, MINUS_EXPR, |
| 1399 | gfc_array_index_type, nelems, |
| 1400 | gfc_index_one_nodegfc_rank_cst[1]); |
| 1401 | nelems = gfc_evaluate_now (tmp, &body); |
| 1402 | index = gfc_create_var (gfc_array_index_type, "S"); |
| 1403 | |
| 1404 | if (is_from_desc) |
| 1405 | { |
| 1406 | from_ref = gfc_get_class_array_ref (index, from, from_data, |
| 1407 | unlimited); |
| 1408 | vec_safe_push (args, from_ref); |
| 1409 | } |
| 1410 | else |
| 1411 | vec_safe_push (args, from_data); |
| 1412 | |
| 1413 | if (is_to_class) |
| 1414 | to_ref = gfc_get_class_array_ref (index, to, to_data, unlimited); |
| 1415 | else |
| 1416 | { |
| 1417 | tmp = gfc_conv_array_data (to); |
| 1418 | tmp = build_fold_indirect_ref_loc (input_location, tmp); |
| 1419 | to_ref = gfc_build_addr_expr (NULL_TREE(tree) __null, |
| 1420 | gfc_build_array_ref (tmp, index, to)); |
| 1421 | } |
| 1422 | vec_safe_push (args, to_ref); |
| 1423 | |
| 1424 | /* Add bounds check. */ |
| 1425 | if ((gfc_option.rtcheck & GFC_RTCHECK_BOUNDS(1<<0)) > 0 && is_from_desc) |
| 1426 | { |
| 1427 | char *msg; |
| 1428 | const char *name = "<<unknown>>"; |
| 1429 | tree from_len; |
| 1430 | |
| 1431 | if (DECL_P (to)(tree_code_type[(int) (((enum tree_code) (to)->base.code)) ] == tcc_declaration)) |
| 1432 | name = (const char *)(DECL_NAME (to)((contains_struct_check ((to), (TS_DECL_MINIMAL), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1432, __FUNCTION__))->decl_minimal.name)->identifier.id.str); |
| 1433 | |
| 1434 | from_len = gfc_conv_descriptor_size (from_data, 1); |
| 1435 | tmp = fold_build2_loc (input_location, NE_EXPR, |
| 1436 | logical_type_node, from_len, orig_nelems); |
| 1437 | msg = xasprintf ("Array bound mismatch for dimension %d " |
| 1438 | "of array '%s' (%%ld/%%ld)", |
| 1439 | 1, name); |
| 1440 | |
| 1441 | gfc_trans_runtime_check (true, false, tmp, &body, |
| 1442 | &gfc_current_locus, msg, |
| 1443 | fold_convert (long_integer_type_node, orig_nelems)fold_convert_loc (((location_t) 0), integer_types[itk_long], orig_nelems ), |
| 1444 | fold_convert (long_integer_type_node, from_len)fold_convert_loc (((location_t) 0), integer_types[itk_long], from_len )); |
| 1445 | |
| 1446 | free (msg); |
| 1447 | } |
| 1448 | |
| 1449 | tmp = build_call_vec (fcn_type, fcn, args); |
| 1450 | |
| 1451 | /* Build the body of the loop. */ |
| 1452 | gfc_init_block (&loopbody); |
| 1453 | gfc_add_expr_to_block (&loopbody, tmp); |
| 1454 | |
| 1455 | /* Build the loop and return. */ |
| 1456 | gfc_init_loopinfo (&loop); |
| 1457 | loop.dimen = 1; |
| 1458 | loop.from[0] = gfc_index_zero_nodegfc_rank_cst[0]; |
| 1459 | loop.loopvar[0] = index; |
| 1460 | loop.to[0] = nelems; |
| 1461 | gfc_trans_scalarizing_loops (&loop, &loopbody); |
| 1462 | gfc_init_block (&ifbody); |
| 1463 | gfc_add_block_to_block (&ifbody, &loop.pre); |
| 1464 | stdcopy = gfc_finish_block (&ifbody); |
| 1465 | /* In initialization mode from_len is a constant zero. */ |
| 1466 | if (unlimited && !integer_zerop (from_len)) |
| 1467 | { |
| 1468 | vec_safe_push (args, from_len); |
| 1469 | vec_safe_push (args, to_len); |
| 1470 | tmp = build_call_vec (fcn_type, fcn, args); |
| 1471 | /* Build the body of the loop. */ |
| 1472 | gfc_init_block (&loopbody); |
| 1473 | gfc_add_expr_to_block (&loopbody, tmp); |
| 1474 | |
| 1475 | /* Build the loop and return. */ |
| 1476 | gfc_init_loopinfo (&loop); |
| 1477 | loop.dimen = 1; |
| 1478 | loop.from[0] = gfc_index_zero_nodegfc_rank_cst[0]; |
| 1479 | loop.loopvar[0] = index; |
| 1480 | loop.to[0] = nelems; |
| 1481 | gfc_trans_scalarizing_loops (&loop, &loopbody); |
| 1482 | gfc_init_block (&ifbody); |
| 1483 | gfc_add_block_to_block (&ifbody, &loop.pre); |
| 1484 | extcopy = gfc_finish_block (&ifbody); |
| 1485 | |
| 1486 | tmp = fold_build2_loc (input_location, GT_EXPR, |
| 1487 | logical_type_node, from_len, |
| 1488 | build_zero_cst (TREE_TYPE (from_len)((contains_struct_check ((from_len), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1488, __FUNCTION__))->typed.type))); |
| 1489 | tmp = fold_build3_loc (input_location, COND_EXPR, |
| 1490 | void_type_nodeglobal_trees[TI_VOID_TYPE], tmp, extcopy, stdcopy); |
| 1491 | gfc_add_expr_to_block (&body, tmp); |
| 1492 | tmp = gfc_finish_block (&body); |
| 1493 | } |
| 1494 | else |
| 1495 | { |
| 1496 | gfc_add_expr_to_block (&body, stdcopy); |
| 1497 | tmp = gfc_finish_block (&body); |
| 1498 | } |
| 1499 | gfc_cleanup_loop (&loop); |
| 1500 | } |
| 1501 | else |
| 1502 | { |
| 1503 | gcc_assert (!is_from_desc)((void)(!(!is_from_desc) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1503, __FUNCTION__), 0 : 0)); |
| 1504 | vec_safe_push (args, from_data); |
| 1505 | vec_safe_push (args, to_data); |
| 1506 | stdcopy = build_call_vec (fcn_type, fcn, args); |
| 1507 | |
| 1508 | /* In initialization mode from_len is a constant zero. */ |
| 1509 | if (unlimited && !integer_zerop (from_len)) |
| 1510 | { |
| 1511 | vec_safe_push (args, from_len); |
| 1512 | vec_safe_push (args, to_len); |
| 1513 | extcopy = build_call_vec (fcn_type, fcn, args); |
| 1514 | tmp = fold_build2_loc (input_location, GT_EXPR, |
| 1515 | logical_type_node, from_len, |
| 1516 | build_zero_cst (TREE_TYPE (from_len)((contains_struct_check ((from_len), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1516, __FUNCTION__))->typed.type))); |
| 1517 | tmp = fold_build3_loc (input_location, COND_EXPR, |
| 1518 | void_type_nodeglobal_trees[TI_VOID_TYPE], tmp, extcopy, stdcopy); |
| 1519 | } |
| 1520 | else |
| 1521 | tmp = stdcopy; |
| 1522 | } |
| 1523 | |
| 1524 | /* Only copy _def_init to to_data, when it is not a NULL-pointer. */ |
| 1525 | if (from == NULL_TREE(tree) __null) |
| 1526 | { |
| 1527 | tree cond; |
| 1528 | cond = fold_build2_loc (input_location, NE_EXPR, |
| 1529 | logical_type_node, |
| 1530 | from_data, null_pointer_nodeglobal_trees[TI_NULL_POINTER]); |
| 1531 | tmp = fold_build3_loc (input_location, COND_EXPR, |
| 1532 | void_type_nodeglobal_trees[TI_VOID_TYPE], cond, |
| 1533 | tmp, build_empty_stmt (input_location)); |
| 1534 | } |
| 1535 | |
| 1536 | return tmp; |
| 1537 | } |
| 1538 | |
| 1539 | |
| 1540 | static tree |
| 1541 | gfc_trans_class_array_init_assign (gfc_expr *rhs, gfc_expr *lhs, gfc_expr *obj) |
| 1542 | { |
| 1543 | gfc_actual_arglist *actual; |
| 1544 | gfc_expr *ppc; |
| 1545 | gfc_code *ppc_code; |
| 1546 | tree res; |
| 1547 | |
| 1548 | actual = gfc_get_actual_arglist ()((gfc_actual_arglist *) xcalloc (1, sizeof (gfc_actual_arglist ))); |
| 1549 | actual->expr = gfc_copy_expr (rhs); |
| 1550 | actual->next = gfc_get_actual_arglist ()((gfc_actual_arglist *) xcalloc (1, sizeof (gfc_actual_arglist ))); |
| 1551 | actual->next->expr = gfc_copy_expr (lhs); |
| 1552 | ppc = gfc_copy_expr (obj); |
| 1553 | gfc_add_vptr_component (ppc)gfc_add_component_ref(ppc,"_vptr"); |
| 1554 | gfc_add_component_ref (ppc, "_copy"); |
| 1555 | ppc_code = gfc_get_code (EXEC_CALL); |
| 1556 | ppc_code->resolved_sym = ppc->symtree->n.sym; |
| 1557 | /* Although '_copy' is set to be elemental in class.c, it is |
| 1558 | not staying that way. Find out why, sometime.... */ |
| 1559 | ppc_code->resolved_sym->attr.elemental = 1; |
| 1560 | ppc_code->ext.actual = actual; |
| 1561 | ppc_code->expr1 = ppc; |
| 1562 | /* Since '_copy' is elemental, the scalarizer will take care |
| 1563 | of arrays in gfc_trans_call. */ |
| 1564 | res = gfc_trans_call (ppc_code, false, NULL__null, NULL__null, false); |
| 1565 | gfc_free_statements (ppc_code); |
| 1566 | |
| 1567 | if (UNLIMITED_POLY(obj)(obj != __null && obj->ts.type == BT_CLASS && obj->ts.u.derived->components && obj->ts.u. derived->components->ts.u.derived && obj->ts .u.derived->components->ts.u.derived->attr.unlimited_polymorphic )) |
| 1568 | { |
| 1569 | /* Check if rhs is non-NULL. */ |
| 1570 | gfc_se src; |
| 1571 | gfc_init_se (&src, NULL__null); |
| 1572 | gfc_conv_expr (&src, rhs); |
| 1573 | src.expr = gfc_build_addr_expr (NULL_TREE(tree) __null, src.expr); |
| 1574 | tree cond = fold_build2_loc (input_location, NE_EXPR, logical_type_node, |
| 1575 | src.expr, fold_convert (TREE_TYPE (src.expr),fold_convert_loc (((location_t) 0), ((contains_struct_check ( (src.expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1575, __FUNCTION__))->typed.type), global_trees[TI_NULL_POINTER ]) |
| 1576 | null_pointer_node)fold_convert_loc (((location_t) 0), ((contains_struct_check ( (src.expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1575, __FUNCTION__))->typed.type), global_trees[TI_NULL_POINTER ])); |
| 1577 | res = build3_loc (input_location, COND_EXPR, TREE_TYPE (res)((contains_struct_check ((res), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1577, __FUNCTION__))->typed.type), cond, res, |
| 1578 | build_empty_stmt (input_location)); |
| 1579 | } |
| 1580 | |
| 1581 | return res; |
| 1582 | } |
| 1583 | |
| 1584 | /* Special case for initializing a polymorphic dummy with INTENT(OUT). |
| 1585 | A MEMCPY is needed to copy the full data from the default initializer |
| 1586 | of the dynamic type. */ |
| 1587 | |
| 1588 | tree |
| 1589 | gfc_trans_class_init_assign (gfc_code *code) |
| 1590 | { |
| 1591 | stmtblock_t block; |
| 1592 | tree tmp; |
| 1593 | gfc_se dst,src,memsz; |
| 1594 | gfc_expr *lhs, *rhs, *sz; |
| 1595 | |
| 1596 | gfc_start_block (&block); |
| 1597 | |
| 1598 | lhs = gfc_copy_expr (code->expr1); |
| 1599 | |
| 1600 | rhs = gfc_copy_expr (code->expr1); |
| 1601 | gfc_add_vptr_component (rhs)gfc_add_component_ref(rhs,"_vptr"); |
| 1602 | |
| 1603 | /* Make sure that the component backend_decls have been built, which |
| 1604 | will not have happened if the derived types concerned have not |
| 1605 | been referenced. */ |
| 1606 | gfc_get_derived_type (rhs->ts.u.derived); |
| 1607 | gfc_add_def_init_component (rhs)gfc_add_component_ref(rhs,"_def_init"); |
| 1608 | /* The _def_init is always scalar. */ |
| 1609 | rhs->rank = 0; |
| 1610 | |
| 1611 | if (code->expr1->ts.type == BT_CLASS |
| 1612 | && CLASS_DATA (code->expr1)code->expr1->ts.u.derived->components->attr.dimension) |
| 1613 | { |
| 1614 | gfc_array_spec *tmparr = gfc_get_array_spec ()((gfc_array_spec *) xcalloc (1, sizeof (gfc_array_spec))); |
| 1615 | *tmparr = *CLASS_DATA (code->expr1)code->expr1->ts.u.derived->components->as; |
| 1616 | /* Adding the array ref to the class expression results in correct |
| 1617 | indexing to the dynamic type. */ |
| 1618 | gfc_add_full_array_ref (lhs, tmparr); |
| 1619 | tmp = gfc_trans_class_array_init_assign (rhs, lhs, code->expr1); |
| 1620 | } |
| 1621 | else |
| 1622 | { |
| 1623 | /* Scalar initialization needs the _data component. */ |
| 1624 | gfc_add_data_component (lhs)gfc_add_component_ref(lhs,"_data"); |
| 1625 | sz = gfc_copy_expr (code->expr1); |
| 1626 | gfc_add_vptr_component (sz)gfc_add_component_ref(sz,"_vptr"); |
| 1627 | gfc_add_size_component (sz)gfc_add_component_ref(sz,"_size"); |
| 1628 | |
| 1629 | gfc_init_se (&dst, NULL__null); |
| 1630 | gfc_init_se (&src, NULL__null); |
| 1631 | gfc_init_se (&memsz, NULL__null); |
| 1632 | gfc_conv_expr (&dst, lhs); |
| 1633 | gfc_conv_expr (&src, rhs); |
| 1634 | gfc_conv_expr (&memsz, sz); |
| 1635 | gfc_add_block_to_block (&block, &src.pre); |
| 1636 | src.expr = gfc_build_addr_expr (NULL_TREE(tree) __null, src.expr); |
| 1637 | |
| 1638 | tmp = gfc_build_memcpy_call (dst.expr, src.expr, memsz.expr); |
| 1639 | |
| 1640 | if (UNLIMITED_POLY(code->expr1)(code->expr1 != __null && code->expr1->ts.type == BT_CLASS && code->expr1->ts.u.derived->components && code->expr1->ts.u.derived->components-> ts.u.derived && code->expr1->ts.u.derived->components ->ts.u.derived->attr.unlimited_polymorphic)) |
| 1641 | { |
| 1642 | /* Check if _def_init is non-NULL. */ |
| 1643 | tree cond = fold_build2_loc (input_location, NE_EXPR, |
| 1644 | logical_type_node, src.expr, |
| 1645 | fold_convert (TREE_TYPE (src.expr),fold_convert_loc (((location_t) 0), ((contains_struct_check ( (src.expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1645, __FUNCTION__))->typed.type), global_trees[TI_NULL_POINTER ]) |
| 1646 | null_pointer_node)fold_convert_loc (((location_t) 0), ((contains_struct_check ( (src.expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1645, __FUNCTION__))->typed.type), global_trees[TI_NULL_POINTER ])); |
| 1647 | tmp = build3_loc (input_location, COND_EXPR, TREE_TYPE (tmp)((contains_struct_check ((tmp), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1647, __FUNCTION__))->typed.type), cond, |
| 1648 | tmp, build_empty_stmt (input_location)); |
| 1649 | } |
| 1650 | } |
| 1651 | |
| 1652 | if (code->expr1->symtree->n.sym->attr.optional |
| 1653 | || code->expr1->symtree->n.sym->ns->proc_name->attr.entry_master) |
| 1654 | { |
| 1655 | tree present = gfc_conv_expr_present (code->expr1->symtree->n.sym); |
| 1656 | tmp = build3_loc (input_location, COND_EXPR, TREE_TYPE (tmp)((contains_struct_check ((tmp), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1656, __FUNCTION__))->typed.type), |
| 1657 | present, tmp, |
| 1658 | build_empty_stmt (input_location)); |
| 1659 | } |
| 1660 | |
| 1661 | gfc_add_expr_to_block (&block, tmp); |
| 1662 | |
| 1663 | return gfc_finish_block (&block); |
| 1664 | } |
| 1665 | |
| 1666 | |
| 1667 | /* Class valued elemental function calls or class array elements arriving |
| 1668 | in gfc_trans_scalar_assign come here. Wherever possible the vptr copy |
| 1669 | is used to ensure that the rhs dynamic type is assigned to the lhs. */ |
| 1670 | |
| 1671 | static bool |
| 1672 | trans_scalar_class_assign (stmtblock_t *block, gfc_se *lse, gfc_se *rse) |
| 1673 | { |
| 1674 | tree fcn; |
| 1675 | tree rse_expr; |
| 1676 | tree class_data; |
| 1677 | tree tmp; |
| 1678 | tree zero; |
| 1679 | tree cond; |
| 1680 | tree final_cond; |
| 1681 | stmtblock_t inner_block; |
| 1682 | bool is_descriptor; |
| 1683 | bool not_call_expr = TREE_CODE (rse->expr)((enum tree_code) (rse->expr)->base.code) != CALL_EXPR; |
| 1684 | bool not_lhs_array_type; |
| 1685 | |
| 1686 | /* Temporaries arising from depencies in assignment get cast as a |
| 1687 | character type of the dynamic size of the rhs. Use the vptr copy |
| 1688 | for this case. */ |
| 1689 | tmp = TREE_TYPE (lse->expr)((contains_struct_check ((lse->expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1689, __FUNCTION__))->typed.type); |
| 1690 | not_lhs_array_type = !(tmp && TREE_CODE (tmp)((enum tree_code) (tmp)->base.code) == ARRAY_TYPE |
| 1691 | && TYPE_MAX_VALUE (TYPE_DOMAIN (tmp))((tree_check5 ((((tree_check ((tmp), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1691, __FUNCTION__, (ARRAY_TYPE)))->type_non_common.values )), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1691, __FUNCTION__, (INTEGER_TYPE), (ENUMERAL_TYPE), (BOOLEAN_TYPE ), (REAL_TYPE), (FIXED_POINT_TYPE)))->type_non_common.maxval ) != NULL_TREE(tree) __null); |
| 1692 | |
| 1693 | /* Use ordinary assignment if the rhs is not a call expression or |
| 1694 | the lhs is not a class entity or an array(ie. character) type. */ |
| 1695 | if ((not_call_expr && gfc_get_class_from_expr (lse->expr) == NULL_TREE(tree) __null) |
| 1696 | && not_lhs_array_type) |
| 1697 | return false; |
| 1698 | |
| 1699 | /* Ordinary assignment can be used if both sides are class expressions |
| 1700 | since the dynamic type is preserved by copying the vptr. This |
| 1701 | should only occur, where temporaries are involved. */ |
| 1702 | if (GFC_CLASS_TYPE_P (TREE_TYPE (lse->expr))((tree_class_check ((((contains_struct_check ((lse->expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1702, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1702, __FUNCTION__))->type_common.lang_flag_4) |
| 1703 | && GFC_CLASS_TYPE_P (TREE_TYPE (rse->expr))((tree_class_check ((((contains_struct_check ((rse->expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1703, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1703, __FUNCTION__))->type_common.lang_flag_4)) |
| 1704 | return false; |
| 1705 | |
| 1706 | /* Fix the class expression and the class data of the rhs. */ |
| 1707 | if (!GFC_CLASS_TYPE_P (TREE_TYPE (rse->expr))((tree_class_check ((((contains_struct_check ((rse->expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1707, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1707, __FUNCTION__))->type_common.lang_flag_4) |
| 1708 | || not_call_expr) |
| 1709 | { |
| 1710 | tmp = gfc_get_class_from_expr (rse->expr); |
| 1711 | if (tmp == NULL_TREE(tree) __null) |
| 1712 | return false; |
| 1713 | rse_expr = gfc_evaluate_now (tmp, block); |
| 1714 | } |
| 1715 | else |
| 1716 | rse_expr = gfc_evaluate_now (rse->expr, block); |
| 1717 | |
| 1718 | class_data = gfc_class_data_get (rse_expr); |
| 1719 | |
| 1720 | /* Check that the rhs data is not null. */ |
| 1721 | is_descriptor = GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (class_data))((tree_class_check ((((contains_struct_check ((class_data), ( TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1721, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1721, __FUNCTION__))->type_common.lang_flag_1); |
| 1722 | if (is_descriptor) |
| 1723 | class_data = gfc_conv_descriptor_data_get (class_data); |
| 1724 | class_data = gfc_evaluate_now (class_data, block); |
| 1725 | |
| 1726 | zero = build_int_cst (TREE_TYPE (class_data)((contains_struct_check ((class_data), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1726, __FUNCTION__))->typed.type), 0); |
| 1727 | cond = fold_build2_loc (input_location, NE_EXPR, |
| 1728 | logical_type_node, |
| 1729 | class_data, zero); |
| 1730 | |
| 1731 | /* Copy the rhs to the lhs. */ |
| 1732 | fcn = gfc_vptr_copy_get (gfc_class_vptr_get (rse_expr)); |
| 1733 | fcn = build_fold_indirect_ref_loc (input_location, fcn); |
| 1734 | tmp = gfc_evaluate_now (gfc_build_addr_expr (NULL__null, rse->expr), block); |
| 1735 | tmp = is_descriptor ? tmp : class_data; |
| 1736 | tmp = build_call_expr_loc (input_location, fcn, 2, tmp, |
| 1737 | gfc_build_addr_expr (NULL__null, lse->expr)); |
| 1738 | gfc_add_expr_to_block (block, tmp); |
| 1739 | |
| 1740 | /* Only elemental function results need to be finalised and freed. */ |
| 1741 | if (not_call_expr) |
| 1742 | return true; |
| 1743 | |
| 1744 | /* Finalize the class data if needed. */ |
| 1745 | gfc_init_block (&inner_block); |
| 1746 | fcn = gfc_vptr_final_get (gfc_class_vptr_get (rse_expr)); |
| 1747 | zero = build_int_cst (TREE_TYPE (fcn)((contains_struct_check ((fcn), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1747, __FUNCTION__))->typed.type), 0); |
| 1748 | final_cond = fold_build2_loc (input_location, NE_EXPR, |
| 1749 | logical_type_node, fcn, zero); |
| 1750 | fcn = build_fold_indirect_ref_loc (input_location, fcn); |
| 1751 | tmp = build_call_expr_loc (input_location, fcn, 1, class_data); |
| 1752 | tmp = build3_v (COND_EXPR, final_cond,fold_build3_loc (input_location, COND_EXPR, global_trees[TI_VOID_TYPE ], final_cond, tmp, build_empty_stmt (input_location)) |
| 1753 | tmp, build_empty_stmt (input_location))fold_build3_loc (input_location, COND_EXPR, global_trees[TI_VOID_TYPE ], final_cond, tmp, build_empty_stmt (input_location)); |
| 1754 | gfc_add_expr_to_block (&inner_block, tmp); |
| 1755 | |
| 1756 | /* Free the class data. */ |
| 1757 | tmp = gfc_call_free (class_data); |
| 1758 | tmp = build3_v (COND_EXPR, cond, tmp,fold_build3_loc (input_location, COND_EXPR, global_trees[TI_VOID_TYPE ], cond, tmp, build_empty_stmt (input_location)) |
| 1759 | build_empty_stmt (input_location))fold_build3_loc (input_location, COND_EXPR, global_trees[TI_VOID_TYPE ], cond, tmp, build_empty_stmt (input_location)); |
| 1760 | gfc_add_expr_to_block (&inner_block, tmp); |
| 1761 | |
| 1762 | /* Finish the inner block and subject it to the condition on the |
| 1763 | class data being non-zero. */ |
| 1764 | tmp = gfc_finish_block (&inner_block); |
| 1765 | tmp = build3_v (COND_EXPR, cond, tmp,fold_build3_loc (input_location, COND_EXPR, global_trees[TI_VOID_TYPE ], cond, tmp, build_empty_stmt (input_location)) |
| 1766 | build_empty_stmt (input_location))fold_build3_loc (input_location, COND_EXPR, global_trees[TI_VOID_TYPE ], cond, tmp, build_empty_stmt (input_location)); |
| 1767 | gfc_add_expr_to_block (block, tmp); |
| 1768 | |
| 1769 | return true; |
| 1770 | } |
| 1771 | |
| 1772 | /* End of prototype trans-class.c */ |
| 1773 | |
| 1774 | |
| 1775 | static void |
| 1776 | realloc_lhs_warning (bt type, bool array, locus *where) |
| 1777 | { |
| 1778 | if (array && type != BT_CLASS && type != BT_DERIVED && warn_realloc_lhsglobal_options.x_warn_realloc_lhs) |
| 1779 | gfc_warning (OPT_Wrealloc_lhs, |
| 1780 | "Code for reallocating the allocatable array at %L will " |
| 1781 | "be added", where); |
| 1782 | else if (warn_realloc_lhs_allglobal_options.x_warn_realloc_lhs_all) |
| 1783 | gfc_warning (OPT_Wrealloc_lhs_all, |
| 1784 | "Code for reallocating the allocatable variable at %L " |
| 1785 | "will be added", where); |
| 1786 | } |
| 1787 | |
| 1788 | |
| 1789 | static void gfc_apply_interface_mapping_to_expr (gfc_interface_mapping *, |
| 1790 | gfc_expr *); |
| 1791 | |
| 1792 | /* Copy the scalarization loop variables. */ |
| 1793 | |
| 1794 | static void |
| 1795 | gfc_copy_se_loopvars (gfc_se * dest, gfc_se * src) |
| 1796 | { |
| 1797 | dest->ss = src->ss; |
| 1798 | dest->loop = src->loop; |
| 1799 | } |
| 1800 | |
| 1801 | |
| 1802 | /* Initialize a simple expression holder. |
| 1803 | |
| 1804 | Care must be taken when multiple se are created with the same parent. |
| 1805 | The child se must be kept in sync. The easiest way is to delay creation |
| 1806 | of a child se until after the previous se has been translated. */ |
| 1807 | |
| 1808 | void |
| 1809 | gfc_init_se (gfc_se * se, gfc_se * parent) |
| 1810 | { |
| 1811 | memset (se, 0, sizeof (gfc_se)); |
| 1812 | gfc_init_block (&se->pre); |
| 1813 | gfc_init_block (&se->post); |
| 1814 | |
| 1815 | se->parent = parent; |
| 1816 | |
| 1817 | if (parent) |
| 1818 | gfc_copy_se_loopvars (se, parent); |
| 1819 | } |
| 1820 | |
| 1821 | |
| 1822 | /* Advances to the next SS in the chain. Use this rather than setting |
| 1823 | se->ss = se->ss->next because all the parents needs to be kept in sync. |
| 1824 | See gfc_init_se. */ |
| 1825 | |
| 1826 | void |
| 1827 | gfc_advance_se_ss_chain (gfc_se * se) |
| 1828 | { |
| 1829 | gfc_se *p; |
| 1830 | gfc_ss *ss; |
| 1831 | |
| 1832 | gcc_assert (se != NULL && se->ss != NULL && se->ss != gfc_ss_terminator)((void)(!(se != __null && se->ss != __null && se->ss != gfc_ss_terminator) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1832, __FUNCTION__), 0 : 0)); |
| 1833 | |
| 1834 | p = se; |
| 1835 | /* Walk down the parent chain. */ |
| 1836 | while (p != NULL__null) |
| 1837 | { |
| 1838 | /* Simple consistency check. */ |
| 1839 | gcc_assert (p->parent == NULL || p->parent->ss == p->ss((void)(!(p->parent == __null || p->parent->ss == p-> ss || p->parent->ss->nested_ss == p->ss) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1840, __FUNCTION__), 0 : 0)) |
| 1840 | || p->parent->ss->nested_ss == p->ss)((void)(!(p->parent == __null || p->parent->ss == p-> ss || p->parent->ss->nested_ss == p->ss) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1840, __FUNCTION__), 0 : 0)); |
| 1841 | |
| 1842 | /* If we were in a nested loop, the next scalarized expression can be |
| 1843 | on the parent ss' next pointer. Thus we should not take the next |
| 1844 | pointer blindly, but rather go up one nest level as long as next |
| 1845 | is the end of chain. */ |
| 1846 | ss = p->ss; |
| 1847 | while (ss->next == gfc_ss_terminator && ss->parent != NULL__null) |
| 1848 | ss = ss->parent; |
| 1849 | |
| 1850 | p->ss = ss->next; |
| 1851 | |
| 1852 | p = p->parent; |
| 1853 | } |
| 1854 | } |
| 1855 | |
| 1856 | |
| 1857 | /* Ensures the result of the expression as either a temporary variable |
| 1858 | or a constant so that it can be used repeatedly. */ |
| 1859 | |
| 1860 | void |
| 1861 | gfc_make_safe_expr (gfc_se * se) |
| 1862 | { |
| 1863 | tree var; |
| 1864 | |
| 1865 | if (CONSTANT_CLASS_P (se->expr)(tree_code_type[(int) (((enum tree_code) (se->expr)->base .code))] == tcc_constant)) |
| 1866 | return; |
| 1867 | |
| 1868 | /* We need a temporary for this result. */ |
| 1869 | var = gfc_create_var (TREE_TYPE (se->expr)((contains_struct_check ((se->expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1869, __FUNCTION__))->typed.type), NULL__null); |
| 1870 | gfc_add_modify (&se->pre, var, se->expr); |
| 1871 | se->expr = var; |
| 1872 | } |
| 1873 | |
| 1874 | |
| 1875 | /* Return an expression which determines if a dummy parameter is present. |
| 1876 | Also used for arguments to procedures with multiple entry points. */ |
| 1877 | |
| 1878 | tree |
| 1879 | gfc_conv_expr_present (gfc_symbol * sym, bool use_saved_desc) |
| 1880 | { |
| 1881 | tree decl, orig_decl, cond; |
| 1882 | |
| 1883 | gcc_assert (sym->attr.dummy)((void)(!(sym->attr.dummy) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1883, __FUNCTION__), 0 : 0)); |
| 1884 | orig_decl = decl = gfc_get_symbol_decl (sym); |
| 1885 | |
| 1886 | /* Intrinsic scalars with VALUE attribute which are passed by value |
| 1887 | use a hidden argument to denote the present status. */ |
| 1888 | if (sym->attr.value && sym->ts.type != BT_CHARACTER |
| 1889 | && sym->ts.type != BT_CLASS && sym->ts.type != BT_DERIVED |
| 1890 | && !sym->attr.dimension) |
| 1891 | { |
| 1892 | char name[GFC_MAX_SYMBOL_LEN63 + 2]; |
| 1893 | tree tree_name; |
| 1894 | |
| 1895 | gcc_assert (TREE_CODE (decl) == PARM_DECL)((void)(!(((enum tree_code) (decl)->base.code) == PARM_DECL ) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1895, __FUNCTION__), 0 : 0)); |
| 1896 | name[0] = '_'; |
| 1897 | strcpy (&name[1], sym->name); |
| 1898 | tree_name = get_identifier (name)(__builtin_constant_p (name) ? get_identifier_with_length ((name ), strlen (name)) : get_identifier (name)); |
| 1899 | |
| 1900 | /* Walk function argument list to find hidden arg. */ |
| 1901 | cond = DECL_ARGUMENTS (DECL_CONTEXT (decl))((tree_check ((((contains_struct_check ((decl), (TS_DECL_MINIMAL ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1901, __FUNCTION__))->decl_minimal.context)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1901, __FUNCTION__, (FUNCTION_DECL)))->function_decl.arguments ); |
| 1902 | for ( ; cond != NULL_TREE(tree) __null; cond = TREE_CHAIN (cond)((contains_struct_check ((cond), (TS_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1902, __FUNCTION__))->common.chain)) |
| 1903 | if (DECL_NAME (cond)((contains_struct_check ((cond), (TS_DECL_MINIMAL), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1903, __FUNCTION__))->decl_minimal.name) == tree_name |
| 1904 | && DECL_ARTIFICIAL (cond)((contains_struct_check ((cond), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1904, __FUNCTION__))->decl_common.artificial_flag)) |
| 1905 | break; |
| 1906 | |
| 1907 | gcc_assert (cond)((void)(!(cond) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1907, __FUNCTION__), 0 : 0)); |
| 1908 | return cond; |
| 1909 | } |
| 1910 | |
| 1911 | /* Assumed-shape arrays use a local variable for the array data; |
| 1912 | the actual PARAM_DECL is in a saved decl. As the local variable |
| 1913 | is NULL, it can be checked instead, unless use_saved_desc is |
| 1914 | requested. */ |
| 1915 | |
| 1916 | if (use_saved_desc && TREE_CODE (decl)((enum tree_code) (decl)->base.code) != PARM_DECL) |
| 1917 | { |
| 1918 | gcc_assert (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (decl))((void)(!(((tree_class_check ((((contains_struct_check ((decl ), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1918, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1918, __FUNCTION__))->type_common.lang_flag_1) || ((tree_class_check ((((contains_struct_check ((decl), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1919, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1919, __FUNCTION__))->type_common.lang_flag_2)) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1919, __FUNCTION__), 0 : 0)) |
| 1919 | || GFC_ARRAY_TYPE_P (TREE_TYPE (decl)))((void)(!(((tree_class_check ((((contains_struct_check ((decl ), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1918, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1918, __FUNCTION__))->type_common.lang_flag_1) || ((tree_class_check ((((contains_struct_check ((decl), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1919, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1919, __FUNCTION__))->type_common.lang_flag_2)) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1919, __FUNCTION__), 0 : 0)); |
| 1920 | decl = GFC_DECL_SAVED_DESCRIPTOR (decl)(((contains_struct_check ((decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1920, __FUNCTION__))->decl_common.lang_specific)->saved_descriptor ); |
| 1921 | } |
| 1922 | |
| 1923 | cond = fold_build2_loc (input_location, NE_EXPR, logical_type_node, decl, |
| 1924 | fold_convert (TREE_TYPE (decl), null_pointer_node)fold_convert_loc (((location_t) 0), ((contains_struct_check ( (decl), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1924, __FUNCTION__))->typed.type), global_trees[TI_NULL_POINTER ])); |
| 1925 | |
| 1926 | /* Fortran 2008 allows to pass null pointers and non-associated pointers |
| 1927 | as actual argument to denote absent dummies. For array descriptors, |
| 1928 | we thus also need to check the array descriptor. For BT_CLASS, it |
| 1929 | can also occur for scalars and F2003 due to type->class wrapping and |
| 1930 | class->class wrapping. Note further that BT_CLASS always uses an |
| 1931 | array descriptor for arrays, also for explicit-shape/assumed-size. |
| 1932 | For assumed-rank arrays, no local variable is generated, hence, |
| 1933 | the following also applies with !use_saved_desc. */ |
| 1934 | |
| 1935 | if ((use_saved_desc || TREE_CODE (orig_decl)((enum tree_code) (orig_decl)->base.code) == PARM_DECL) |
| 1936 | && !sym->attr.allocatable |
| 1937 | && ((sym->ts.type != BT_CLASS && !sym->attr.pointer) |
| 1938 | || (sym->ts.type == BT_CLASS |
| 1939 | && !CLASS_DATA (sym)sym->ts.u.derived->components->attr.allocatable |
| 1940 | && !CLASS_DATA (sym)sym->ts.u.derived->components->attr.class_pointer)) |
| 1941 | && ((gfc_option.allow_std & GFC_STD_F2008(1<<7)) != 0 |
| 1942 | || sym->ts.type == BT_CLASS)) |
| 1943 | { |
| 1944 | tree tmp; |
| 1945 | |
| 1946 | if ((sym->as && (sym->as->type == AS_ASSUMED_SHAPE |
| 1947 | || sym->as->type == AS_ASSUMED_RANK |
| 1948 | || sym->attr.codimension)) |
| 1949 | || (sym->ts.type == BT_CLASS && CLASS_DATA (sym)sym->ts.u.derived->components->as)) |
| 1950 | { |
| 1951 | tmp = build_fold_indirect_ref_loc (input_location, decl); |
| 1952 | if (sym->ts.type == BT_CLASS) |
| 1953 | tmp = gfc_class_data_get (tmp); |
| 1954 | tmp = gfc_conv_array_data (tmp); |
| 1955 | } |
| 1956 | else if (sym->ts.type == BT_CLASS) |
| 1957 | tmp = gfc_class_data_get (decl); |
| 1958 | else |
| 1959 | tmp = NULL_TREE(tree) __null; |
| 1960 | |
| 1961 | if (tmp != NULL_TREE(tree) __null) |
| 1962 | { |
| 1963 | tmp = fold_build2_loc (input_location, NE_EXPR, logical_type_node, tmp, |
| 1964 | fold_convert (TREE_TYPE (tmp), null_pointer_node)fold_convert_loc (((location_t) 0), ((contains_struct_check ( (tmp), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1964, __FUNCTION__))->typed.type), global_trees[TI_NULL_POINTER ])); |
| 1965 | cond = fold_build2_loc (input_location, TRUTH_ANDIF_EXPR, |
| 1966 | logical_type_node, cond, tmp); |
| 1967 | } |
| 1968 | } |
| 1969 | |
| 1970 | return cond; |
| 1971 | } |
| 1972 | |
| 1973 | |
| 1974 | /* Converts a missing, dummy argument into a null or zero. */ |
| 1975 | |
| 1976 | void |
| 1977 | gfc_conv_missing_dummy (gfc_se * se, gfc_expr * arg, gfc_typespec ts, int kind) |
| 1978 | { |
| 1979 | tree present; |
| 1980 | tree tmp; |
| 1981 | |
| 1982 | present = gfc_conv_expr_present (arg->symtree->n.sym); |
| 1983 | |
| 1984 | if (kind > 0) |
| 1985 | { |
| 1986 | /* Create a temporary and convert it to the correct type. */ |
| 1987 | tmp = gfc_get_int_type (kind); |
| 1988 | tmp = fold_convert (tmp, build_fold_indirect_ref_loc (input_location,fold_convert_loc (((location_t) 0), tmp, build_fold_indirect_ref_loc (input_location, se->expr)) |
| 1989 | se->expr))fold_convert_loc (((location_t) 0), tmp, build_fold_indirect_ref_loc (input_location, se->expr)); |
| 1990 | |
| 1991 | /* Test for a NULL value. */ |
| 1992 | tmp = build3_loc (input_location, COND_EXPR, TREE_TYPE (tmp)((contains_struct_check ((tmp), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1992, __FUNCTION__))->typed.type), present, |
| 1993 | tmp, fold_convert (TREE_TYPE (tmp), integer_one_node)fold_convert_loc (((location_t) 0), ((contains_struct_check ( (tmp), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1993, __FUNCTION__))->typed.type), global_trees[TI_INTEGER_ONE ])); |
| 1994 | tmp = gfc_evaluate_now (tmp, &se->pre); |
| 1995 | se->expr = gfc_build_addr_expr (NULL_TREE(tree) __null, tmp); |
| 1996 | } |
| 1997 | else |
| 1998 | { |
| 1999 | tmp = build3_loc (input_location, COND_EXPR, TREE_TYPE (se->expr)((contains_struct_check ((se->expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 1999, __FUNCTION__))->typed.type), |
| 2000 | present, se->expr, |
| 2001 | build_zero_cst (TREE_TYPE (se->expr)((contains_struct_check ((se->expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2001, __FUNCTION__))->typed.type))); |
| 2002 | tmp = gfc_evaluate_now (tmp, &se->pre); |
| 2003 | se->expr = tmp; |
| 2004 | } |
| 2005 | |
| 2006 | if (ts.type == BT_CHARACTER) |
| 2007 | { |
| 2008 | tmp = build_int_cst (gfc_charlen_type_node, 0); |
| 2009 | tmp = fold_build3_loc (input_location, COND_EXPR, gfc_charlen_type_node, |
| 2010 | present, se->string_length, tmp); |
| 2011 | tmp = gfc_evaluate_now (tmp, &se->pre); |
| 2012 | se->string_length = tmp; |
| 2013 | } |
| 2014 | return; |
| 2015 | } |
| 2016 | |
| 2017 | |
| 2018 | /* Get the character length of an expression, looking through gfc_refs |
| 2019 | if necessary. */ |
| 2020 | |
| 2021 | tree |
| 2022 | gfc_get_expr_charlen (gfc_expr *e) |
| 2023 | { |
| 2024 | gfc_ref *r; |
| 2025 | tree length; |
| 2026 | gfc_se se; |
| 2027 | |
| 2028 | gcc_assert (e->expr_type == EXPR_VARIABLE((void)(!(e->expr_type == EXPR_VARIABLE && e->ts .type == BT_CHARACTER) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2029, __FUNCTION__), 0 : 0)) |
| 2029 | && e->ts.type == BT_CHARACTER)((void)(!(e->expr_type == EXPR_VARIABLE && e->ts .type == BT_CHARACTER) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2029, __FUNCTION__), 0 : 0)); |
| 2030 | |
| 2031 | length = NULL__null; /* To silence compiler warning. */ |
| 2032 | |
| 2033 | if (is_subref_array (e) && e->ts.u.cl->length) |
| 2034 | { |
| 2035 | gfc_se tmpse; |
| 2036 | gfc_init_se (&tmpse, NULL__null); |
| 2037 | gfc_conv_expr_type (&tmpse, e->ts.u.cl->length, gfc_charlen_type_node); |
| 2038 | e->ts.u.cl->backend_decl = tmpse.expr; |
| 2039 | return tmpse.expr; |
| 2040 | } |
| 2041 | |
| 2042 | /* First candidate: if the variable is of type CHARACTER, the |
| 2043 | expression's length could be the length of the character |
| 2044 | variable. */ |
| 2045 | if (e->symtree->n.sym->ts.type == BT_CHARACTER) |
| 2046 | length = e->symtree->n.sym->ts.u.cl->backend_decl; |
| 2047 | |
| 2048 | /* Look through the reference chain for component references. */ |
| 2049 | for (r = e->ref; r; r = r->next) |
| 2050 | { |
| 2051 | switch (r->type) |
| 2052 | { |
| 2053 | case REF_COMPONENT: |
| 2054 | if (r->u.c.component->ts.type == BT_CHARACTER) |
| 2055 | length = r->u.c.component->ts.u.cl->backend_decl; |
| 2056 | break; |
| 2057 | |
| 2058 | case REF_ARRAY: |
| 2059 | /* Do nothing. */ |
| 2060 | break; |
| 2061 | |
| 2062 | case REF_SUBSTRING: |
| 2063 | gfc_init_se (&se, NULL__null); |
| 2064 | gfc_conv_expr_type (&se, r->u.ss.start, gfc_charlen_type_node); |
| 2065 | length = se.expr; |
| 2066 | gfc_conv_expr_type (&se, r->u.ss.end, gfc_charlen_type_node); |
| 2067 | length = fold_build2_loc (input_location, MINUS_EXPR, |
| 2068 | gfc_charlen_type_node, |
| 2069 | se.expr, length); |
| 2070 | length = fold_build2_loc (input_location, PLUS_EXPR, |
| 2071 | gfc_charlen_type_node, length, |
| 2072 | gfc_index_one_nodegfc_rank_cst[1]); |
| 2073 | break; |
| 2074 | |
| 2075 | default: |
| 2076 | gcc_unreachable ()(fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2076, __FUNCTION__)); |
| 2077 | break; |
| 2078 | } |
| 2079 | } |
| 2080 | |
| 2081 | gcc_assert (length != NULL)((void)(!(length != __null) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2081, __FUNCTION__), 0 : 0)); |
| 2082 | return length; |
| 2083 | } |
| 2084 | |
| 2085 | |
| 2086 | /* Return for an expression the backend decl of the coarray. */ |
| 2087 | |
| 2088 | tree |
| 2089 | gfc_get_tree_for_caf_expr (gfc_expr *expr) |
| 2090 | { |
| 2091 | tree caf_decl; |
| 2092 | bool found = false; |
| 2093 | gfc_ref *ref; |
| 2094 | |
| 2095 | gcc_assert (expr && expr->expr_type == EXPR_VARIABLE)((void)(!(expr && expr->expr_type == EXPR_VARIABLE ) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2095, __FUNCTION__), 0 : 0)); |
| 2096 | |
| 2097 | /* Not-implemented diagnostic. */ |
| 2098 | if (expr->symtree->n.sym->ts.type == BT_CLASS |
| 2099 | && UNLIMITED_POLY (expr->symtree->n.sym)(expr->symtree->n.sym != __null && expr->symtree ->n.sym->ts.type == BT_CLASS && expr->symtree ->n.sym->ts.u.derived->components && expr-> symtree->n.sym->ts.u.derived->components->ts.u.derived && expr->symtree->n.sym->ts.u.derived->components ->ts.u.derived->attr.unlimited_polymorphic) |
| 2100 | && CLASS_DATA (expr->symtree->n.sym)expr->symtree->n.sym->ts.u.derived->components->attr.codimension) |
| 2101 | gfc_error ("Sorry, coindexed access to an unlimited polymorphic object at " |
| 2102 | "%L is not supported", &expr->where); |
| 2103 | |
| 2104 | for (ref = expr->ref; ref; ref = ref->next) |
| 2105 | if (ref->type == REF_COMPONENT) |
| 2106 | { |
| 2107 | if (ref->u.c.component->ts.type == BT_CLASS |
| 2108 | && UNLIMITED_POLY (ref->u.c.component)(ref->u.c.component != __null && ref->u.c.component ->ts.type == BT_CLASS && ref->u.c.component-> ts.u.derived->components && ref->u.c.component-> ts.u.derived->components->ts.u.derived && ref-> u.c.component->ts.u.derived->components->ts.u.derived ->attr.unlimited_polymorphic) |
| 2109 | && CLASS_DATA (ref->u.c.component)ref->u.c.component->ts.u.derived->components->attr.codimension) |
| 2110 | gfc_error ("Sorry, coindexed access to an unlimited polymorphic " |
| 2111 | "component at %L is not supported", &expr->where); |
| 2112 | } |
| 2113 | |
| 2114 | /* Make sure the backend_decl is present before accessing it. */ |
| 2115 | caf_decl = expr->symtree->n.sym->backend_decl == NULL_TREE(tree) __null |
| 2116 | ? gfc_get_symbol_decl (expr->symtree->n.sym) |
| 2117 | : expr->symtree->n.sym->backend_decl; |
| 2118 | |
| 2119 | if (expr->symtree->n.sym->ts.type == BT_CLASS) |
| 2120 | { |
| 2121 | if (expr->ref && expr->ref->type == REF_ARRAY) |
| 2122 | { |
| 2123 | caf_decl = gfc_class_data_get (caf_decl); |
| 2124 | if (CLASS_DATA (expr->symtree->n.sym)expr->symtree->n.sym->ts.u.derived->components->attr.codimension) |
| 2125 | return caf_decl; |
| 2126 | } |
| 2127 | for (ref = expr->ref; ref; ref = ref->next) |
| 2128 | { |
| 2129 | if (ref->type == REF_COMPONENT |
| 2130 | && strcmp (ref->u.c.component->name, "_data") != 0) |
| 2131 | { |
| 2132 | caf_decl = gfc_class_data_get (caf_decl); |
| 2133 | if (CLASS_DATA (expr->symtree->n.sym)expr->symtree->n.sym->ts.u.derived->components->attr.codimension) |
| 2134 | return caf_decl; |
| 2135 | break; |
| 2136 | } |
| 2137 | else if (ref->type == REF_ARRAY && ref->u.ar.dimen) |
| 2138 | break; |
| 2139 | } |
| 2140 | } |
| 2141 | if (expr->symtree->n.sym->attr.codimension) |
| 2142 | return caf_decl; |
| 2143 | |
| 2144 | /* The following code assumes that the coarray is a component reachable via |
| 2145 | only scalar components/variables; the Fortran standard guarantees this. */ |
| 2146 | |
| 2147 | for (ref = expr->ref; ref; ref = ref->next) |
| 2148 | if (ref->type == REF_COMPONENT) |
| 2149 | { |
| 2150 | gfc_component *comp = ref->u.c.component; |
| 2151 | |
| 2152 | if (POINTER_TYPE_P (TREE_TYPE (caf_decl))(((enum tree_code) (((contains_struct_check ((caf_decl), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2152, __FUNCTION__))->typed.type))->base.code) == POINTER_TYPE || ((enum tree_code) (((contains_struct_check ((caf_decl), ( TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2152, __FUNCTION__))->typed.type))->base.code) == REFERENCE_TYPE )) |
| 2153 | caf_decl = build_fold_indirect_ref_loc (input_location, caf_decl); |
| 2154 | caf_decl = fold_build3_loc (input_location, COMPONENT_REF, |
| 2155 | TREE_TYPE (comp->backend_decl)((contains_struct_check ((comp->backend_decl), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2155, __FUNCTION__))->typed.type), caf_decl, |
| 2156 | comp->backend_decl, NULL_TREE(tree) __null); |
| 2157 | if (comp->ts.type == BT_CLASS) |
| 2158 | { |
| 2159 | caf_decl = gfc_class_data_get (caf_decl); |
| 2160 | if (CLASS_DATA (comp)comp->ts.u.derived->components->attr.codimension) |
| 2161 | { |
| 2162 | found = true; |
| 2163 | break; |
| 2164 | } |
| 2165 | } |
| 2166 | if (comp->attr.codimension) |
| 2167 | { |
| 2168 | found = true; |
| 2169 | break; |
| 2170 | } |
| 2171 | } |
| 2172 | gcc_assert (found && caf_decl)((void)(!(found && caf_decl) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2172, __FUNCTION__), 0 : 0)); |
| 2173 | return caf_decl; |
| 2174 | } |
| 2175 | |
| 2176 | |
| 2177 | /* Obtain the Coarray token - and optionally also the offset. */ |
| 2178 | |
| 2179 | void |
| 2180 | gfc_get_caf_token_offset (gfc_se *se, tree *token, tree *offset, tree caf_decl, |
| 2181 | tree se_expr, gfc_expr *expr) |
| 2182 | { |
| 2183 | tree tmp; |
| 2184 | |
| 2185 | /* Coarray token. */ |
| 2186 | if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (caf_decl))((tree_class_check ((((contains_struct_check ((caf_decl), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2186, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2186, __FUNCTION__))->type_common.lang_flag_1)) |
| 2187 | { |
| 2188 | gcc_assert (GFC_TYPE_ARRAY_AKIND (TREE_TYPE (caf_decl))((void)(!((((tree_class_check ((((contains_struct_check ((caf_decl ), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2188, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2188, __FUNCTION__))->type_with_lang_specific.lang_specific )->akind) == GFC_ARRAY_ALLOCATABLE || expr->symtree-> n.sym->attr.select_type_temporary) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2190, __FUNCTION__), 0 : 0)) |
| 2189 | == GFC_ARRAY_ALLOCATABLE((void)(!((((tree_class_check ((((contains_struct_check ((caf_decl ), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2188, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2188, __FUNCTION__))->type_with_lang_specific.lang_specific )->akind) == GFC_ARRAY_ALLOCATABLE || expr->symtree-> n.sym->attr.select_type_temporary) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2190, __FUNCTION__), 0 : 0)) |
| 2190 | || expr->symtree->n.sym->attr.select_type_temporary)((void)(!((((tree_class_check ((((contains_struct_check ((caf_decl ), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2188, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2188, __FUNCTION__))->type_with_lang_specific.lang_specific )->akind) == GFC_ARRAY_ALLOCATABLE || expr->symtree-> n.sym->attr.select_type_temporary) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2190, __FUNCTION__), 0 : 0)); |
| 2191 | *token = gfc_conv_descriptor_token (caf_decl); |
| 2192 | } |
| 2193 | else if (DECL_LANG_SPECIFIC (caf_decl)((contains_struct_check ((caf_decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2193, __FUNCTION__))->decl_common.lang_specific) |
| 2194 | && GFC_DECL_TOKEN (caf_decl)((contains_struct_check ((caf_decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2194, __FUNCTION__))->decl_common.lang_specific)->token != NULL_TREE(tree) __null) |
| 2195 | *token = GFC_DECL_TOKEN (caf_decl)((contains_struct_check ((caf_decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2195, __FUNCTION__))->decl_common.lang_specific)->token; |
| 2196 | else |
| 2197 | { |
| 2198 | gcc_assert (GFC_ARRAY_TYPE_P (TREE_TYPE (caf_decl))((void)(!(((tree_class_check ((((contains_struct_check ((caf_decl ), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2198, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2198, __FUNCTION__))->type_common.lang_flag_2) && (((tree_class_check ((((contains_struct_check ((caf_decl), ( TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2199, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2199, __FUNCTION__))->type_with_lang_specific.lang_specific )->caf_token) != (tree) __null) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2199, __FUNCTION__), 0 : 0)) |
| 2199 | && GFC_TYPE_ARRAY_CAF_TOKEN (TREE_TYPE (caf_decl)) != NULL_TREE)((void)(!(((tree_class_check ((((contains_struct_check ((caf_decl ), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2198, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2198, __FUNCTION__))->type_common.lang_flag_2) && (((tree_class_check ((((contains_struct_check ((caf_decl), ( TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2199, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2199, __FUNCTION__))->type_with_lang_specific.lang_specific )->caf_token) != (tree) __null) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2199, __FUNCTION__), 0 : 0)); |
| 2200 | *token = GFC_TYPE_ARRAY_CAF_TOKEN (TREE_TYPE (caf_decl))(((tree_class_check ((((contains_struct_check ((caf_decl), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2200, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2200, __FUNCTION__))->type_with_lang_specific.lang_specific )->caf_token); |
| 2201 | } |
| 2202 | |
| 2203 | if (offset == NULL__null) |
| 2204 | return; |
| 2205 | |
| 2206 | /* Offset between the coarray base address and the address wanted. */ |
| 2207 | if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (caf_decl))((tree_class_check ((((contains_struct_check ((caf_decl), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2207, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2207, __FUNCTION__))->type_common.lang_flag_1) |
| 2208 | && (GFC_TYPE_ARRAY_AKIND (TREE_TYPE (caf_decl))(((tree_class_check ((((contains_struct_check ((caf_decl), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2208, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2208, __FUNCTION__))->type_with_lang_specific.lang_specific )->akind) == GFC_ARRAY_ALLOCATABLE |
| 2209 | || GFC_TYPE_ARRAY_AKIND (TREE_TYPE (caf_decl))(((tree_class_check ((((contains_struct_check ((caf_decl), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2209, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2209, __FUNCTION__))->type_with_lang_specific.lang_specific )->akind) == GFC_ARRAY_POINTER)) |
| 2210 | *offset = build_int_cst (gfc_array_index_type, 0); |
| 2211 | else if (DECL_LANG_SPECIFIC (caf_decl)((contains_struct_check ((caf_decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2211, __FUNCTION__))->decl_common.lang_specific) |
| 2212 | && GFC_DECL_CAF_OFFSET (caf_decl)((contains_struct_check ((caf_decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2212, __FUNCTION__))->decl_common.lang_specific)->caf_offset != NULL_TREE(tree) __null) |
| 2213 | *offset = GFC_DECL_CAF_OFFSET (caf_decl)((contains_struct_check ((caf_decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2213, __FUNCTION__))->decl_common.lang_specific)->caf_offset; |
| 2214 | else if (GFC_TYPE_ARRAY_CAF_OFFSET (TREE_TYPE (caf_decl))(((tree_class_check ((((contains_struct_check ((caf_decl), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2214, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2214, __FUNCTION__))->type_with_lang_specific.lang_specific )->caf_offset) != NULL_TREE(tree) __null) |
| 2215 | *offset = GFC_TYPE_ARRAY_CAF_OFFSET (TREE_TYPE (caf_decl))(((tree_class_check ((((contains_struct_check ((caf_decl), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2215, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2215, __FUNCTION__))->type_with_lang_specific.lang_specific )->caf_offset); |
| 2216 | else |
| 2217 | *offset = build_int_cst (gfc_array_index_type, 0); |
| 2218 | |
| 2219 | if (POINTER_TYPE_P (TREE_TYPE (se_expr))(((enum tree_code) (((contains_struct_check ((se_expr), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2219, __FUNCTION__))->typed.type))->base.code) == POINTER_TYPE || ((enum tree_code) (((contains_struct_check ((se_expr), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2219, __FUNCTION__))->typed.type))->base.code) == REFERENCE_TYPE ) |
| 2220 | && GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (TREE_TYPE (se_expr)))((tree_class_check ((((contains_struct_check ((((contains_struct_check ((se_expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2220, __FUNCTION__))->typed.type)), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2220, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2220, __FUNCTION__))->type_common.lang_flag_1)) |
| 2221 | { |
| 2222 | tmp = build_fold_indirect_ref_loc (input_location, se_expr); |
| 2223 | tmp = gfc_conv_descriptor_data_get (tmp); |
| 2224 | } |
| 2225 | else if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (se_expr))((tree_class_check ((((contains_struct_check ((se_expr), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2225, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2225, __FUNCTION__))->type_common.lang_flag_1)) |
| 2226 | tmp = gfc_conv_descriptor_data_get (se_expr); |
| 2227 | else |
| 2228 | { |
| 2229 | gcc_assert (POINTER_TYPE_P (TREE_TYPE (se_expr)))((void)(!((((enum tree_code) (((contains_struct_check ((se_expr ), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2229, __FUNCTION__))->typed.type))->base.code) == POINTER_TYPE || ((enum tree_code) (((contains_struct_check ((se_expr), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2229, __FUNCTION__))->typed.type))->base.code) == REFERENCE_TYPE )) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2229, __FUNCTION__), 0 : 0)); |
| 2230 | tmp = se_expr; |
| 2231 | } |
| 2232 | |
| 2233 | *offset = fold_build2_loc (input_location, PLUS_EXPR, gfc_array_index_type, |
| 2234 | *offset, fold_convert (gfc_array_index_type, tmp)fold_convert_loc (((location_t) 0), gfc_array_index_type, tmp )); |
| 2235 | |
| 2236 | if (expr->symtree->n.sym->ts.type == BT_DERIVED |
| 2237 | && expr->symtree->n.sym->attr.codimension |
| 2238 | && expr->symtree->n.sym->ts.u.derived->attr.alloc_comp) |
| 2239 | { |
| 2240 | gfc_expr *base_expr = gfc_copy_expr (expr); |
| 2241 | gfc_ref *ref = base_expr->ref; |
| 2242 | gfc_se base_se; |
| 2243 | |
| 2244 | // Iterate through the refs until the last one. |
| 2245 | while (ref->next) |
| 2246 | ref = ref->next; |
| 2247 | |
| 2248 | if (ref->type == REF_ARRAY |
| 2249 | && ref->u.ar.type != AR_FULL) |
| 2250 | { |
| 2251 | const int ranksum = ref->u.ar.dimen + ref->u.ar.codimen; |
| 2252 | int i; |
| 2253 | for (i = 0; i < ranksum; ++i) |
| 2254 | { |
| 2255 | ref->u.ar.start[i] = NULL__null; |
| 2256 | ref->u.ar.end[i] = NULL__null; |
| 2257 | } |
| 2258 | ref->u.ar.type = AR_FULL; |
| 2259 | } |
| 2260 | gfc_init_se (&base_se, NULL__null); |
| 2261 | if (gfc_caf_attr (base_expr).dimension) |
| 2262 | { |
| 2263 | gfc_conv_expr_descriptor (&base_se, base_expr); |
| 2264 | tmp = gfc_conv_descriptor_data_get (base_se.expr); |
| 2265 | } |
| 2266 | else |
| 2267 | { |
| 2268 | gfc_conv_expr (&base_se, base_expr); |
| 2269 | tmp = base_se.expr; |
| 2270 | } |
| 2271 | |
| 2272 | gfc_free_expr (base_expr); |
| 2273 | gfc_add_block_to_block (&se->pre, &base_se.pre); |
| 2274 | gfc_add_block_to_block (&se->post, &base_se.post); |
| 2275 | } |
| 2276 | else if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (caf_decl))((tree_class_check ((((contains_struct_check ((caf_decl), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2276, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2276, __FUNCTION__))->type_common.lang_flag_1)) |
| 2277 | tmp = gfc_conv_descriptor_data_get (caf_decl); |
| 2278 | else |
| 2279 | { |
| 2280 | gcc_assert (POINTER_TYPE_P (TREE_TYPE (caf_decl)))((void)(!((((enum tree_code) (((contains_struct_check ((caf_decl ), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2280, __FUNCTION__))->typed.type))->base.code) == POINTER_TYPE || ((enum tree_code) (((contains_struct_check ((caf_decl), ( TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2280, __FUNCTION__))->typed.type))->base.code) == REFERENCE_TYPE )) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2280, __FUNCTION__), 0 : 0)); |
| 2281 | tmp = caf_decl; |
| 2282 | } |
| 2283 | |
| 2284 | *offset = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type, |
| 2285 | fold_convert (gfc_array_index_type, *offset)fold_convert_loc (((location_t) 0), gfc_array_index_type, *offset ), |
| 2286 | fold_convert (gfc_array_index_type, tmp)fold_convert_loc (((location_t) 0), gfc_array_index_type, tmp )); |
| 2287 | } |
| 2288 | |
| 2289 | |
| 2290 | /* Convert the coindex of a coarray into an image index; the result is |
| 2291 | image_num = (idx(1)-lcobound(1)+1) + (idx(2)-lcobound(2))*extent(1) |
| 2292 | + (idx(3)-lcobound(3))*extend(1)*extent(2) + ... */ |
| 2293 | |
| 2294 | tree |
| 2295 | gfc_caf_get_image_index (stmtblock_t *block, gfc_expr *e, tree desc) |
| 2296 | { |
| 2297 | gfc_ref *ref; |
| 2298 | tree lbound, ubound, extent, tmp, img_idx; |
| 2299 | gfc_se se; |
| 2300 | int i; |
| 2301 | |
| 2302 | for (ref = e->ref; ref; ref = ref->next) |
| 2303 | if (ref->type == REF_ARRAY && ref->u.ar.codimen > 0) |
| 2304 | break; |
| 2305 | gcc_assert (ref != NULL)((void)(!(ref != __null) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2305, __FUNCTION__), 0 : 0)); |
| 2306 | |
| 2307 | if (ref->u.ar.dimen_type[ref->u.ar.dimen] == DIMEN_THIS_IMAGE) |
| 2308 | { |
| 2309 | return build_call_expr_loc (input_location, gfor_fndecl_caf_this_image, 1, |
| 2310 | integer_zero_nodeglobal_trees[TI_INTEGER_ZERO]); |
| 2311 | } |
| 2312 | |
| 2313 | img_idx = build_zero_cst (gfc_array_index_type); |
| 2314 | extent = build_one_cst (gfc_array_index_type); |
| 2315 | if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (desc))((tree_class_check ((((contains_struct_check ((desc), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2315, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2315, __FUNCTION__))->type_common.lang_flag_1)) |
| 2316 | for (i = ref->u.ar.dimen; i < ref->u.ar.dimen + ref->u.ar.codimen; i++) |
| 2317 | { |
| 2318 | gfc_init_se (&se, NULL__null); |
| 2319 | gfc_conv_expr_type (&se, ref->u.ar.start[i], gfc_array_index_type); |
| 2320 | gfc_add_block_to_block (block, &se.pre); |
| 2321 | lbound = gfc_conv_descriptor_lbound_get (desc, gfc_rank_cst[i]); |
| 2322 | tmp = fold_build2_loc (input_location, MINUS_EXPR, |
| 2323 | TREE_TYPE (lbound)((contains_struct_check ((lbound), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2323, __FUNCTION__))->typed.type), se.expr, lbound); |
| 2324 | tmp = fold_build2_loc (input_location, MULT_EXPR, TREE_TYPE (tmp)((contains_struct_check ((tmp), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2324, __FUNCTION__))->typed.type), |
| 2325 | extent, tmp); |
| 2326 | img_idx = fold_build2_loc (input_location, PLUS_EXPR, |
| 2327 | TREE_TYPE (tmp)((contains_struct_check ((tmp), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2327, __FUNCTION__))->typed.type), img_idx, tmp); |
| 2328 | if (i < ref->u.ar.dimen + ref->u.ar.codimen - 1) |
| 2329 | { |
| 2330 | ubound = gfc_conv_descriptor_ubound_get (desc, gfc_rank_cst[i]); |
| 2331 | tmp = gfc_conv_array_extent_dim (lbound, ubound, NULL__null); |
| 2332 | extent = fold_build2_loc (input_location, MULT_EXPR, |
| 2333 | TREE_TYPE (tmp)((contains_struct_check ((tmp), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2333, __FUNCTION__))->typed.type), extent, tmp); |
| 2334 | } |
| 2335 | } |
| 2336 | else |
| 2337 | for (i = ref->u.ar.dimen; i < ref->u.ar.dimen + ref->u.ar.codimen; i++) |
| 2338 | { |
| 2339 | gfc_init_se (&se, NULL__null); |
| 2340 | gfc_conv_expr_type (&se, ref->u.ar.start[i], gfc_array_index_type); |
| 2341 | gfc_add_block_to_block (block, &se.pre); |
| 2342 | lbound = GFC_TYPE_ARRAY_LBOUND (TREE_TYPE (desc), i)(((tree_class_check ((((contains_struct_check ((desc), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2342, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2342, __FUNCTION__))->type_with_lang_specific.lang_specific )->lbound[i]); |
| 2343 | tmp = fold_build2_loc (input_location, MINUS_EXPR, |
| 2344 | TREE_TYPE (lbound)((contains_struct_check ((lbound), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2344, __FUNCTION__))->typed.type), se.expr, lbound); |
| 2345 | tmp = fold_build2_loc (input_location, MULT_EXPR, TREE_TYPE (tmp)((contains_struct_check ((tmp), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2345, __FUNCTION__))->typed.type), |
| 2346 | extent, tmp); |
| 2347 | img_idx = fold_build2_loc (input_location, PLUS_EXPR, TREE_TYPE (tmp)((contains_struct_check ((tmp), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2347, __FUNCTION__))->typed.type), |
| 2348 | img_idx, tmp); |
| 2349 | if (i < ref->u.ar.dimen + ref->u.ar.codimen - 1) |
| 2350 | { |
| 2351 | ubound = GFC_TYPE_ARRAY_UBOUND (TREE_TYPE (desc), i)(((tree_class_check ((((contains_struct_check ((desc), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2351, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2351, __FUNCTION__))->type_with_lang_specific.lang_specific )->ubound[i]); |
| 2352 | tmp = fold_build2_loc (input_location, MINUS_EXPR, |
| 2353 | TREE_TYPE (ubound)((contains_struct_check ((ubound), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2353, __FUNCTION__))->typed.type), ubound, lbound); |
| 2354 | tmp = fold_build2_loc (input_location, PLUS_EXPR, TREE_TYPE (tmp)((contains_struct_check ((tmp), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2354, __FUNCTION__))->typed.type), |
| 2355 | tmp, build_one_cst (TREE_TYPE (tmp)((contains_struct_check ((tmp), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2355, __FUNCTION__))->typed.type))); |
| 2356 | extent = fold_build2_loc (input_location, MULT_EXPR, |
| 2357 | TREE_TYPE (tmp)((contains_struct_check ((tmp), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2357, __FUNCTION__))->typed.type), extent, tmp); |
| 2358 | } |
| 2359 | } |
| 2360 | img_idx = fold_build2_loc (input_location, PLUS_EXPR, TREE_TYPE (img_idx)((contains_struct_check ((img_idx), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2360, __FUNCTION__))->typed.type), |
| 2361 | img_idx, build_one_cst (TREE_TYPE (img_idx)((contains_struct_check ((img_idx), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2361, __FUNCTION__))->typed.type))); |
| 2362 | return fold_convert (integer_type_node, img_idx)fold_convert_loc (((location_t) 0), integer_types[itk_int], img_idx ); |
| 2363 | } |
| 2364 | |
| 2365 | |
| 2366 | /* For each character array constructor subexpression without a ts.u.cl->length, |
| 2367 | replace it by its first element (if there aren't any elements, the length |
| 2368 | should already be set to zero). */ |
| 2369 | |
| 2370 | static void |
| 2371 | flatten_array_ctors_without_strlen (gfc_expr* e) |
| 2372 | { |
| 2373 | gfc_actual_arglist* arg; |
| 2374 | gfc_constructor* c; |
| 2375 | |
| 2376 | if (!e) |
| 2377 | return; |
| 2378 | |
| 2379 | switch (e->expr_type) |
| 2380 | { |
| 2381 | |
| 2382 | case EXPR_OP: |
| 2383 | flatten_array_ctors_without_strlen (e->value.op.op1); |
| 2384 | flatten_array_ctors_without_strlen (e->value.op.op2); |
| 2385 | break; |
| 2386 | |
| 2387 | case EXPR_COMPCALL: |
| 2388 | /* TODO: Implement as with EXPR_FUNCTION when needed. */ |
| 2389 | gcc_unreachable ()(fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2389, __FUNCTION__)); |
| 2390 | |
| 2391 | case EXPR_FUNCTION: |
| 2392 | for (arg = e->value.function.actual; arg; arg = arg->next) |
| 2393 | flatten_array_ctors_without_strlen (arg->expr); |
| 2394 | break; |
| 2395 | |
| 2396 | case EXPR_ARRAY: |
| 2397 | |
| 2398 | /* We've found what we're looking for. */ |
| 2399 | if (e->ts.type == BT_CHARACTER && !e->ts.u.cl->length) |
| 2400 | { |
| 2401 | gfc_constructor *c; |
| 2402 | gfc_expr* new_expr; |
| 2403 | |
| 2404 | gcc_assert (e->value.constructor)((void)(!(e->value.constructor) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2404, __FUNCTION__), 0 : 0)); |
| 2405 | |
| 2406 | c = gfc_constructor_first (e->value.constructor); |
| 2407 | new_expr = c->expr; |
| 2408 | c->expr = NULL__null; |
| 2409 | |
| 2410 | flatten_array_ctors_without_strlen (new_expr); |
| 2411 | gfc_replace_expr (e, new_expr); |
| 2412 | break; |
| 2413 | } |
| 2414 | |
| 2415 | /* Otherwise, fall through to handle constructor elements. */ |
| 2416 | gcc_fallthrough (); |
| 2417 | case EXPR_STRUCTURE: |
| 2418 | for (c = gfc_constructor_first (e->value.constructor); |
| 2419 | c; c = gfc_constructor_next (c)) |
| 2420 | flatten_array_ctors_without_strlen (c->expr); |
| 2421 | break; |
| 2422 | |
| 2423 | default: |
| 2424 | break; |
| 2425 | |
| 2426 | } |
| 2427 | } |
| 2428 | |
| 2429 | |
| 2430 | /* Generate code to initialize a string length variable. Returns the |
| 2431 | value. For array constructors, cl->length might be NULL and in this case, |
| 2432 | the first element of the constructor is needed. expr is the original |
| 2433 | expression so we can access it but can be NULL if this is not needed. */ |
| 2434 | |
| 2435 | void |
| 2436 | gfc_conv_string_length (gfc_charlen * cl, gfc_expr * expr, stmtblock_t * pblock) |
| 2437 | { |
| 2438 | gfc_se se; |
| 2439 | |
| 2440 | gfc_init_se (&se, NULL__null); |
| 2441 | |
| 2442 | if (!cl->length && cl->backend_decl && VAR_P (cl->backend_decl)(((enum tree_code) (cl->backend_decl)->base.code) == VAR_DECL )) |
| 2443 | return; |
| 2444 | |
| 2445 | /* If cl->length is NULL, use gfc_conv_expr to obtain the string length but |
| 2446 | "flatten" array constructors by taking their first element; all elements |
| 2447 | should be the same length or a cl->length should be present. */ |
| 2448 | if (!cl->length) |
| 2449 | { |
| 2450 | gfc_expr* expr_flat; |
| 2451 | if (!expr) |
| 2452 | return; |
| 2453 | expr_flat = gfc_copy_expr (expr); |
| 2454 | flatten_array_ctors_without_strlen (expr_flat); |
| 2455 | gfc_resolve_expr (expr_flat); |
| 2456 | |
| 2457 | gfc_conv_expr (&se, expr_flat); |
| 2458 | gfc_add_block_to_block (pblock, &se.pre); |
| 2459 | cl->backend_decl = convert (gfc_charlen_type_node, se.string_length); |
| 2460 | |
| 2461 | gfc_free_expr (expr_flat); |
| 2462 | return; |
| 2463 | } |
| 2464 | |
| 2465 | /* Convert cl->length. */ |
| 2466 | |
| 2467 | gcc_assert (cl->length)((void)(!(cl->length) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2467, __FUNCTION__), 0 : 0)); |
| 2468 | |
| 2469 | gfc_conv_expr_type (&se, cl->length, gfc_charlen_type_node); |
| 2470 | se.expr = fold_build2_loc (input_location, MAX_EXPR, gfc_charlen_type_node, |
| 2471 | se.expr, build_zero_cst (TREE_TYPE (se.expr)((contains_struct_check ((se.expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2471, __FUNCTION__))->typed.type))); |
| 2472 | gfc_add_block_to_block (pblock, &se.pre); |
| 2473 | |
| 2474 | if (cl->backend_decl) |
| 2475 | gfc_add_modify (pblock, cl->backend_decl, se.expr); |
| 2476 | else |
| 2477 | cl->backend_decl = gfc_evaluate_now (se.expr, pblock); |
| 2478 | } |
| 2479 | |
| 2480 | |
| 2481 | static void |
| 2482 | gfc_conv_substring (gfc_se * se, gfc_ref * ref, int kind, |
| 2483 | const char *name, locus *where) |
| 2484 | { |
| 2485 | tree tmp; |
| 2486 | tree type; |
| 2487 | tree fault; |
| 2488 | gfc_se start; |
| 2489 | gfc_se end; |
| 2490 | char *msg; |
| 2491 | mpz_t length; |
| 2492 | |
| 2493 | type = gfc_get_character_type (kind, ref->u.ss.length); |
| 2494 | type = build_pointer_type (type); |
| 2495 | |
| 2496 | gfc_init_se (&start, se); |
| 2497 | gfc_conv_expr_type (&start, ref->u.ss.start, gfc_charlen_type_node); |
| 2498 | gfc_add_block_to_block (&se->pre, &start.pre); |
| 2499 | |
| 2500 | if (integer_onep (start.expr)) |
| 2501 | gfc_conv_string_parameter (se); |
| 2502 | else |
| 2503 | { |
| 2504 | tmp = start.expr; |
| 2505 | STRIP_NOPS (tmp)(tmp) = tree_strip_nop_conversions ((const_cast<union tree_node *> (((tmp))))); |
| 2506 | /* Avoid multiple evaluation of substring start. */ |
| 2507 | if (!CONSTANT_CLASS_P (tmp)(tree_code_type[(int) (((enum tree_code) (tmp)->base.code) )] == tcc_constant) && !DECL_P (tmp)(tree_code_type[(int) (((enum tree_code) (tmp)->base.code) )] == tcc_declaration)) |
| 2508 | start.expr = gfc_evaluate_now (start.expr, &se->pre); |
| 2509 | |
| 2510 | /* Change the start of the string. */ |
| 2511 | if ((TREE_CODE (TREE_TYPE (se->expr))((enum tree_code) (((contains_struct_check ((se->expr), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2511, __FUNCTION__))->typed.type))->base.code) == ARRAY_TYPE |
| 2512 | || TREE_CODE (TREE_TYPE (se->expr))((enum tree_code) (((contains_struct_check ((se->expr), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2512, __FUNCTION__))->typed.type))->base.code) == INTEGER_TYPE) |
| 2513 | && TYPE_STRING_FLAG (TREE_TYPE (se->expr))((tree_check2 ((((contains_struct_check ((se->expr), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2513, __FUNCTION__))->typed.type)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2513, __FUNCTION__, (ARRAY_TYPE), (INTEGER_TYPE)))->type_common .string_flag)) |
| 2514 | tmp = se->expr; |
| 2515 | else |
| 2516 | tmp = build_fold_indirect_ref_loc (input_location, |
| 2517 | se->expr); |
| 2518 | /* For BIND(C), a BT_CHARACTER is not an ARRAY_TYPE. */ |
| 2519 | if (TREE_CODE (TREE_TYPE (tmp))((enum tree_code) (((contains_struct_check ((tmp), (TS_TYPED) , "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2519, __FUNCTION__))->typed.type))->base.code) == ARRAY_TYPE) |
| 2520 | { |
| 2521 | tmp = gfc_build_array_ref (tmp, start.expr, NULL__null); |
| 2522 | se->expr = gfc_build_addr_expr (type, tmp); |
| 2523 | } |
| 2524 | } |
| 2525 | |
| 2526 | /* Length = end + 1 - start. */ |
| 2527 | gfc_init_se (&end, se); |
| 2528 | if (ref->u.ss.end == NULL__null) |
| 2529 | end.expr = se->string_length; |
| 2530 | else |
| 2531 | { |
| 2532 | gfc_conv_expr_type (&end, ref->u.ss.end, gfc_charlen_type_node); |
| 2533 | gfc_add_block_to_block (&se->pre, &end.pre); |
| 2534 | } |
| 2535 | tmp = end.expr; |
| 2536 | STRIP_NOPS (tmp)(tmp) = tree_strip_nop_conversions ((const_cast<union tree_node *> (((tmp))))); |
| 2537 | if (!CONSTANT_CLASS_P (tmp)(tree_code_type[(int) (((enum tree_code) (tmp)->base.code) )] == tcc_constant) && !DECL_P (tmp)(tree_code_type[(int) (((enum tree_code) (tmp)->base.code) )] == tcc_declaration)) |
| 2538 | end.expr = gfc_evaluate_now (end.expr, &se->pre); |
| 2539 | |
| 2540 | if (gfc_option.rtcheck & GFC_RTCHECK_BOUNDS(1<<0)) |
| 2541 | { |
| 2542 | tree nonempty = fold_build2_loc (input_location, LE_EXPR, |
| 2543 | logical_type_node, start.expr, |
| 2544 | end.expr); |
| 2545 | |
| 2546 | /* Check lower bound. */ |
| 2547 | fault = fold_build2_loc (input_location, LT_EXPR, logical_type_node, |
| 2548 | start.expr, |
| 2549 | build_one_cst (TREE_TYPE (start.expr)((contains_struct_check ((start.expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2549, __FUNCTION__))->typed.type))); |
| 2550 | fault = fold_build2_loc (input_location, TRUTH_ANDIF_EXPR, |
| 2551 | logical_type_node, nonempty, fault); |
| 2552 | if (name) |
| 2553 | msg = xasprintf ("Substring out of bounds: lower bound (%%ld) of '%s' " |
| 2554 | "is less than one", name); |
| 2555 | else |
| 2556 | msg = xasprintf ("Substring out of bounds: lower bound (%%ld) " |
| 2557 | "is less than one"); |
| 2558 | gfc_trans_runtime_check (true, false, fault, &se->pre, where, msg, |
| 2559 | fold_convert (long_integer_type_node,fold_convert_loc (((location_t) 0), integer_types[itk_long], start .expr) |
| 2560 | start.expr)fold_convert_loc (((location_t) 0), integer_types[itk_long], start .expr)); |
| 2561 | free (msg); |
| 2562 | |
| 2563 | /* Check upper bound. */ |
| 2564 | fault = fold_build2_loc (input_location, GT_EXPR, logical_type_node, |
| 2565 | end.expr, se->string_length); |
| 2566 | fault = fold_build2_loc (input_location, TRUTH_ANDIF_EXPR, |
| 2567 | logical_type_node, nonempty, fault); |
| 2568 | if (name) |
| 2569 | msg = xasprintf ("Substring out of bounds: upper bound (%%ld) of '%s' " |
| 2570 | "exceeds string length (%%ld)", name); |
| 2571 | else |
| 2572 | msg = xasprintf ("Substring out of bounds: upper bound (%%ld) " |
| 2573 | "exceeds string length (%%ld)"); |
| 2574 | gfc_trans_runtime_check (true, false, fault, &se->pre, where, msg, |
| 2575 | fold_convert (long_integer_type_node, end.expr)fold_convert_loc (((location_t) 0), integer_types[itk_long], end .expr), |
| 2576 | fold_convert (long_integer_type_node,fold_convert_loc (((location_t) 0), integer_types[itk_long], se ->string_length) |
| 2577 | se->string_length)fold_convert_loc (((location_t) 0), integer_types[itk_long], se ->string_length)); |
| 2578 | free (msg); |
| 2579 | } |
| 2580 | |
| 2581 | /* Try to calculate the length from the start and end expressions. */ |
| 2582 | if (ref->u.ss.end |
| 2583 | && gfc_dep_difference (ref->u.ss.end, ref->u.ss.start, &length)) |
| 2584 | { |
| 2585 | HOST_WIDE_INTlong i_len; |
| 2586 | |
| 2587 | i_len = gfc_mpz_get_hwi (length) + 1; |
| 2588 | if (i_len < 0) |
| 2589 | i_len = 0; |
| 2590 | |
| 2591 | tmp = build_int_cst (gfc_charlen_type_node, i_len); |
| 2592 | mpz_clear__gmpz_clear (length); /* Was initialized by gfc_dep_difference. */ |
| 2593 | } |
| 2594 | else |
| 2595 | { |
| 2596 | tmp = fold_build2_loc (input_location, MINUS_EXPR, gfc_charlen_type_node, |
| 2597 | fold_convert (gfc_charlen_type_node, end.expr)fold_convert_loc (((location_t) 0), gfc_charlen_type_node, end .expr), |
| 2598 | fold_convert (gfc_charlen_type_node, start.expr)fold_convert_loc (((location_t) 0), gfc_charlen_type_node, start .expr)); |
| 2599 | tmp = fold_build2_loc (input_location, PLUS_EXPR, gfc_charlen_type_node, |
| 2600 | build_int_cst (gfc_charlen_type_node, 1), tmp); |
| 2601 | tmp = fold_build2_loc (input_location, MAX_EXPR, gfc_charlen_type_node, |
| 2602 | tmp, build_int_cst (gfc_charlen_type_node, 0)); |
| 2603 | } |
| 2604 | |
| 2605 | se->string_length = tmp; |
| 2606 | } |
| 2607 | |
| 2608 | |
| 2609 | /* Convert a derived type component reference. */ |
| 2610 | |
| 2611 | void |
| 2612 | gfc_conv_component_ref (gfc_se * se, gfc_ref * ref) |
| 2613 | { |
| 2614 | gfc_component *c; |
| 2615 | tree tmp; |
| 2616 | tree decl; |
| 2617 | tree field; |
| 2618 | tree context; |
| 2619 | |
| 2620 | c = ref->u.c.component; |
| 2621 | |
| 2622 | if (c->backend_decl == NULL_TREE(tree) __null |
| 2623 | && ref->u.c.sym != NULL__null) |
| 2624 | gfc_get_derived_type (ref->u.c.sym); |
| 2625 | |
| 2626 | field = c->backend_decl; |
| 2627 | gcc_assert (field && TREE_CODE (field) == FIELD_DECL)((void)(!(field && ((enum tree_code) (field)->base .code) == FIELD_DECL) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2627, __FUNCTION__), 0 : 0)); |
| 2628 | decl = se->expr; |
| 2629 | context = DECL_FIELD_CONTEXT (field)((tree_check ((field), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2629, __FUNCTION__, (FIELD_DECL)))->decl_minimal.context ); |
| 2630 | |
| 2631 | /* Components can correspond to fields of different containing |
| 2632 | types, as components are created without context, whereas |
| 2633 | a concrete use of a component has the type of decl as context. |
| 2634 | So, if the type doesn't match, we search the corresponding |
| 2635 | FIELD_DECL in the parent type. To not waste too much time |
| 2636 | we cache this result in norestrict_decl. |
| 2637 | On the other hand, if the context is a UNION or a MAP (a |
| 2638 | RECORD_TYPE within a UNION_TYPE) always use the given FIELD_DECL. */ |
| 2639 | |
| 2640 | if (context != TREE_TYPE (decl)((contains_struct_check ((decl), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2640, __FUNCTION__))->typed.type) |
| 2641 | && !( TREE_CODE (TREE_TYPE (field))((enum tree_code) (((contains_struct_check ((field), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2641, __FUNCTION__))->typed.type))->base.code) == UNION_TYPE /* Field is union */ |
| 2642 | || TREE_CODE (context)((enum tree_code) (context)->base.code) == UNION_TYPE)) /* Field is map */ |
| 2643 | { |
| 2644 | tree f2 = c->norestrict_decl; |
| 2645 | if (!f2 || DECL_FIELD_CONTEXT (f2)((tree_check ((f2), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2645, __FUNCTION__, (FIELD_DECL)))->decl_minimal.context ) != TREE_TYPE (decl)((contains_struct_check ((decl), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2645, __FUNCTION__))->typed.type)) |
| 2646 | for (f2 = TYPE_FIELDS (TREE_TYPE (decl))((tree_check3 ((((contains_struct_check ((decl), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2646, __FUNCTION__))->typed.type)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2646, __FUNCTION__, (RECORD_TYPE), (UNION_TYPE), (QUAL_UNION_TYPE )))->type_non_common.values); f2; f2 = DECL_CHAIN (f2)(((contains_struct_check (((contains_struct_check ((f2), (TS_DECL_MINIMAL ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2646, __FUNCTION__))), (TS_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2646, __FUNCTION__))->common.chain))) |
| 2647 | if (TREE_CODE (f2)((enum tree_code) (f2)->base.code) == FIELD_DECL |
| 2648 | && DECL_NAME (f2)((contains_struct_check ((f2), (TS_DECL_MINIMAL), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2648, __FUNCTION__))->decl_minimal.name) == DECL_NAME (field)((contains_struct_check ((field), (TS_DECL_MINIMAL), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2648, __FUNCTION__))->decl_minimal.name)) |
| 2649 | break; |
| 2650 | gcc_assert (f2)((void)(!(f2) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2650, __FUNCTION__), 0 : 0)); |
| 2651 | c->norestrict_decl = f2; |
| 2652 | field = f2; |
| 2653 | } |
| 2654 | |
| 2655 | if (ref->u.c.sym && ref->u.c.sym->ts.type == BT_CLASS |
| 2656 | && strcmp ("_data", c->name) == 0) |
| 2657 | { |
| 2658 | /* Found a ref to the _data component. Store the associated ref to |
| 2659 | the vptr in se->class_vptr. */ |
| 2660 | se->class_vptr = gfc_class_vptr_get (decl); |
| 2661 | } |
| 2662 | else |
| 2663 | se->class_vptr = NULL_TREE(tree) __null; |
| 2664 | |
| 2665 | tmp = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (field)((contains_struct_check ((field), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2665, __FUNCTION__))->typed.type), |
| 2666 | decl, field, NULL_TREE(tree) __null); |
| 2667 | |
| 2668 | se->expr = tmp; |
| 2669 | |
| 2670 | /* Allocatable deferred char arrays are to be handled by the gfc_deferred_ |
| 2671 | strlen () conditional below. */ |
| 2672 | if (c->ts.type == BT_CHARACTER && !c->attr.proc_pointer |
| 2673 | && !c->ts.deferred |
| 2674 | && !c->attr.pdt_string) |
| 2675 | { |
| 2676 | tmp = c->ts.u.cl->backend_decl; |
| 2677 | /* Components must always be constant length. */ |
| 2678 | gcc_assert (tmp && INTEGER_CST_P (tmp))((void)(!(tmp && (((enum tree_code) (tmp)->base.code ) == INTEGER_CST)) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2678, __FUNCTION__), 0 : 0)); |
| 2679 | se->string_length = tmp; |
| 2680 | } |
| 2681 | |
| 2682 | if (gfc_deferred_strlen (c, &field)) |
| 2683 | { |
| 2684 | tmp = fold_build3_loc (input_location, COMPONENT_REF, |
| 2685 | TREE_TYPE (field)((contains_struct_check ((field), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2685, __FUNCTION__))->typed.type), |
| 2686 | decl, field, NULL_TREE(tree) __null); |
| 2687 | se->string_length = tmp; |
| 2688 | } |
| 2689 | |
| 2690 | if (((c->attr.pointer || c->attr.allocatable) |
| 2691 | && (!c->attr.dimension && !c->attr.codimension) |
| 2692 | && c->ts.type != BT_CHARACTER) |
| 2693 | || c->attr.proc_pointer) |
| 2694 | se->expr = build_fold_indirect_ref_loc (input_location, |
| 2695 | se->expr); |
| 2696 | } |
| 2697 | |
| 2698 | |
| 2699 | /* This function deals with component references to components of the |
| 2700 | parent type for derived type extensions. */ |
| 2701 | void |
| 2702 | conv_parent_component_references (gfc_se * se, gfc_ref * ref) |
| 2703 | { |
| 2704 | gfc_component *c; |
| 2705 | gfc_component *cmp; |
| 2706 | gfc_symbol *dt; |
| 2707 | gfc_ref parent; |
| 2708 | |
| 2709 | dt = ref->u.c.sym; |
| 2710 | c = ref->u.c.component; |
| 2711 | |
| 2712 | /* Return if the component is in the parent type. */ |
| 2713 | for (cmp = dt->components; cmp; cmp = cmp->next) |
| 2714 | if (strcmp (c->name, cmp->name) == 0) |
| 2715 | return; |
| 2716 | |
| 2717 | /* Build a gfc_ref to recursively call gfc_conv_component_ref. */ |
| 2718 | parent.type = REF_COMPONENT; |
| 2719 | parent.next = NULL__null; |
| 2720 | parent.u.c.sym = dt; |
| 2721 | parent.u.c.component = dt->components; |
| 2722 | |
| 2723 | if (dt->backend_decl == NULL__null) |
| 2724 | gfc_get_derived_type (dt); |
| 2725 | |
| 2726 | /* Build the reference and call self. */ |
| 2727 | gfc_conv_component_ref (se, &parent); |
| 2728 | parent.u.c.sym = dt->components->ts.u.derived; |
| 2729 | parent.u.c.component = c; |
| 2730 | conv_parent_component_references (se, &parent); |
| 2731 | } |
| 2732 | |
| 2733 | |
| 2734 | static void |
| 2735 | conv_inquiry (gfc_se * se, gfc_ref * ref, gfc_expr *expr, gfc_typespec *ts) |
| 2736 | { |
| 2737 | tree res = se->expr; |
| 2738 | |
| 2739 | switch (ref->u.i) |
| 2740 | { |
| 2741 | case INQUIRY_RE: |
| 2742 | res = fold_build1_loc (input_location, REALPART_EXPR, |
| 2743 | TREE_TYPE (TREE_TYPE (res))((contains_struct_check ((((contains_struct_check ((res), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2743, __FUNCTION__))->typed.type)), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2743, __FUNCTION__))->typed.type), res); |
| 2744 | break; |
| 2745 | |
| 2746 | case INQUIRY_IM: |
| 2747 | res = fold_build1_loc (input_location, IMAGPART_EXPR, |
| 2748 | TREE_TYPE (TREE_TYPE (res))((contains_struct_check ((((contains_struct_check ((res), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2748, __FUNCTION__))->typed.type)), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2748, __FUNCTION__))->typed.type), res); |
| 2749 | break; |
| 2750 | |
| 2751 | case INQUIRY_KIND: |
| 2752 | res = build_int_cst (gfc_typenode_for_spec (&expr->ts), |
| 2753 | ts->kind); |
| 2754 | break; |
| 2755 | |
| 2756 | case INQUIRY_LEN: |
| 2757 | res = fold_convert (gfc_typenode_for_spec (&expr->ts),fold_convert_loc (((location_t) 0), gfc_typenode_for_spec (& expr->ts), se->string_length) |
| 2758 | se->string_length)fold_convert_loc (((location_t) 0), gfc_typenode_for_spec (& expr->ts), se->string_length); |
| 2759 | break; |
| 2760 | |
| 2761 | default: |
| 2762 | gcc_unreachable ()(fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2762, __FUNCTION__)); |
| 2763 | } |
| 2764 | se->expr = res; |
| 2765 | } |
| 2766 | |
| 2767 | /* Dereference VAR where needed if it is a pointer, reference, etc. |
| 2768 | according to Fortran semantics. */ |
| 2769 | |
| 2770 | tree |
| 2771 | gfc_maybe_dereference_var (gfc_symbol *sym, tree var, bool descriptor_only_p, |
| 2772 | bool is_classarray) |
| 2773 | { |
| 2774 | /* Characters are entirely different from other types, they are treated |
| 2775 | separately. */ |
| 2776 | if (sym->ts.type == BT_CHARACTER) |
| 2777 | { |
| 2778 | /* Dereference character pointer dummy arguments |
| 2779 | or results. */ |
| 2780 | if ((sym->attr.pointer || sym->attr.allocatable |
| 2781 | || (sym->as && sym->as->type == AS_ASSUMED_RANK)) |
| 2782 | && (sym->attr.dummy |
| 2783 | || sym->attr.function |
| 2784 | || sym->attr.result)) |
| 2785 | var = build_fold_indirect_ref_loc (input_location, var); |
| 2786 | } |
| 2787 | else if (!sym->attr.value) |
| 2788 | { |
| 2789 | /* Dereference temporaries for class array dummy arguments. */ |
| 2790 | if (sym->attr.dummy && is_classarray |
| 2791 | && GFC_ARRAY_TYPE_P (TREE_TYPE (var))((tree_class_check ((((contains_struct_check ((var), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2791, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2791, __FUNCTION__))->type_common.lang_flag_2)) |
| 2792 | { |
| 2793 | if (!descriptor_only_p) |
| 2794 | var = GFC_DECL_SAVED_DESCRIPTOR (var)(((contains_struct_check ((var), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2794, __FUNCTION__))->decl_common.lang_specific)->saved_descriptor ); |
| 2795 | |
| 2796 | var = build_fold_indirect_ref_loc (input_location, var); |
| 2797 | } |
| 2798 | |
| 2799 | /* Dereference non-character scalar dummy arguments. */ |
| 2800 | if (sym->attr.dummy && !sym->attr.dimension |
| 2801 | && !(sym->attr.codimension && sym->attr.allocatable) |
| 2802 | && (sym->ts.type != BT_CLASS |
| 2803 | || (!CLASS_DATA (sym)sym->ts.u.derived->components->attr.dimension |
| 2804 | && !(CLASS_DATA (sym)sym->ts.u.derived->components->attr.codimension |
| 2805 | && CLASS_DATA (sym)sym->ts.u.derived->components->attr.allocatable)))) |
| 2806 | var = build_fold_indirect_ref_loc (input_location, var); |
| 2807 | |
| 2808 | /* Dereference scalar hidden result. */ |
| 2809 | if (flag_f2cglobal_options.x_flag_f2c && sym->ts.type == BT_COMPLEX |
| 2810 | && (sym->attr.function || sym->attr.result) |
| 2811 | && !sym->attr.dimension && !sym->attr.pointer |
| 2812 | && !sym->attr.always_explicit) |
| 2813 | var = build_fold_indirect_ref_loc (input_location, var); |
| 2814 | |
| 2815 | /* Dereference non-character, non-class pointer variables. |
| 2816 | These must be dummies, results, or scalars. */ |
| 2817 | if (!is_classarray |
| 2818 | && (sym->attr.pointer || sym->attr.allocatable |
| 2819 | || gfc_is_associate_pointer (sym) |
| 2820 | || (sym->as && sym->as->type == AS_ASSUMED_RANK)) |
| 2821 | && (sym->attr.dummy |
| 2822 | || sym->attr.function |
| 2823 | || sym->attr.result |
| 2824 | || (!sym->attr.dimension |
| 2825 | && (!sym->attr.codimension || !sym->attr.allocatable)))) |
| 2826 | var = build_fold_indirect_ref_loc (input_location, var); |
| 2827 | /* Now treat the class array pointer variables accordingly. */ |
| 2828 | else if (sym->ts.type == BT_CLASS |
| 2829 | && sym->attr.dummy |
| 2830 | && (CLASS_DATA (sym)sym->ts.u.derived->components->attr.dimension |
| 2831 | || CLASS_DATA (sym)sym->ts.u.derived->components->attr.codimension) |
| 2832 | && ((CLASS_DATA (sym)sym->ts.u.derived->components->as |
| 2833 | && CLASS_DATA (sym)sym->ts.u.derived->components->as->type == AS_ASSUMED_RANK) |
| 2834 | || CLASS_DATA (sym)sym->ts.u.derived->components->attr.allocatable |
| 2835 | || CLASS_DATA (sym)sym->ts.u.derived->components->attr.class_pointer)) |
| 2836 | var = build_fold_indirect_ref_loc (input_location, var); |
| 2837 | /* And the case where a non-dummy, non-result, non-function, |
| 2838 | non-allotable and non-pointer classarray is present. This case was |
| 2839 | previously covered by the first if, but with introducing the |
| 2840 | condition !is_classarray there, that case has to be covered |
| 2841 | explicitly. */ |
| 2842 | else if (sym->ts.type == BT_CLASS |
| 2843 | && !sym->attr.dummy |
| 2844 | && !sym->attr.function |
| 2845 | && !sym->attr.result |
| 2846 | && (CLASS_DATA (sym)sym->ts.u.derived->components->attr.dimension |
| 2847 | || CLASS_DATA (sym)sym->ts.u.derived->components->attr.codimension) |
| 2848 | && (sym->assoc |
| 2849 | || !CLASS_DATA (sym)sym->ts.u.derived->components->attr.allocatable) |
| 2850 | && !CLASS_DATA (sym)sym->ts.u.derived->components->attr.class_pointer) |
| 2851 | var = build_fold_indirect_ref_loc (input_location, var); |
| 2852 | } |
| 2853 | |
| 2854 | return var; |
| 2855 | } |
| 2856 | |
| 2857 | /* Return the contents of a variable. Also handles reference/pointer |
| 2858 | variables (all Fortran pointer references are implicit). */ |
| 2859 | |
| 2860 | static void |
| 2861 | gfc_conv_variable (gfc_se * se, gfc_expr * expr) |
| 2862 | { |
| 2863 | gfc_ss *ss; |
| 2864 | gfc_ref *ref; |
| 2865 | gfc_symbol *sym; |
| 2866 | tree parent_decl = NULL_TREE(tree) __null; |
| 2867 | int parent_flag; |
| 2868 | bool return_value; |
| 2869 | bool alternate_entry; |
| 2870 | bool entry_master; |
| 2871 | bool is_classarray; |
| 2872 | bool first_time = true; |
| 2873 | |
| 2874 | sym = expr->symtree->n.sym; |
| 2875 | is_classarray = IS_CLASS_ARRAY (sym)(sym->ts.type == BT_CLASS && sym->ts.u.derived-> components && sym->ts.u.derived->components-> attr.dimension && !sym->ts.u.derived->components ->attr.class_pointer); |
| 2876 | ss = se->ss; |
| 2877 | if (ss != NULL__null) |
| 2878 | { |
| 2879 | gfc_ss_info *ss_info = ss->info; |
| 2880 | |
| 2881 | /* Check that something hasn't gone horribly wrong. */ |
| 2882 | gcc_assert (ss != gfc_ss_terminator)((void)(!(ss != gfc_ss_terminator) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2882, __FUNCTION__), 0 : 0)); |
| 2883 | gcc_assert (ss_info->expr == expr)((void)(!(ss_info->expr == expr) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2883, __FUNCTION__), 0 : 0)); |
| 2884 | |
| 2885 | /* A scalarized term. We already know the descriptor. */ |
| 2886 | se->expr = ss_info->data.array.descriptor; |
| 2887 | se->string_length = ss_info->string_length; |
| 2888 | ref = ss_info->data.array.ref; |
| 2889 | if (ref) |
| 2890 | gcc_assert (ref->type == REF_ARRAY((void)(!(ref->type == REF_ARRAY && ref->u.ar.type != AR_ELEMENT) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2891, __FUNCTION__), 0 : 0)) |
| 2891 | && ref->u.ar.type != AR_ELEMENT)((void)(!(ref->type == REF_ARRAY && ref->u.ar.type != AR_ELEMENT) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2891, __FUNCTION__), 0 : 0)); |
| 2892 | else |
| 2893 | gfc_conv_tmp_array_ref (se); |
| 2894 | } |
| 2895 | else |
| 2896 | { |
| 2897 | tree se_expr = NULL_TREE(tree) __null; |
| 2898 | |
| 2899 | se->expr = gfc_get_symbol_decl (sym); |
| 2900 | |
| 2901 | /* Deal with references to a parent results or entries by storing |
| 2902 | the current_function_decl and moving to the parent_decl. */ |
| 2903 | return_value = sym->attr.function && sym->result == sym; |
| 2904 | alternate_entry = sym->attr.function && sym->attr.entry |
| 2905 | && sym->result == sym; |
| 2906 | entry_master = sym->attr.result |
| 2907 | && sym->ns->proc_name->attr.entry_master |
| 2908 | && !gfc_return_by_reference (sym->ns->proc_name); |
| 2909 | if (current_function_decl) |
| 2910 | parent_decl = DECL_CONTEXT (current_function_decl)((contains_struct_check ((current_function_decl), (TS_DECL_MINIMAL ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2910, __FUNCTION__))->decl_minimal.context); |
| 2911 | |
| 2912 | if ((se->expr == parent_decl && return_value) |
| 2913 | || (sym->ns && sym->ns->proc_name |
| 2914 | && parent_decl |
| 2915 | && sym->ns->proc_name->backend_decl == parent_decl |
| 2916 | && (alternate_entry || entry_master))) |
| 2917 | parent_flag = 1; |
| 2918 | else |
| 2919 | parent_flag = 0; |
| 2920 | |
| 2921 | /* Special case for assigning the return value of a function. |
| 2922 | Self recursive functions must have an explicit return value. */ |
| 2923 | if (return_value && (se->expr == current_function_decl || parent_flag)) |
| 2924 | se_expr = gfc_get_fake_result_decl (sym, parent_flag); |
| 2925 | |
| 2926 | /* Similarly for alternate entry points. */ |
| 2927 | else if (alternate_entry |
| 2928 | && (sym->ns->proc_name->backend_decl == current_function_decl |
| 2929 | || parent_flag)) |
| 2930 | { |
| 2931 | gfc_entry_list *el = NULL__null; |
| 2932 | |
| 2933 | for (el = sym->ns->entries; el; el = el->next) |
| 2934 | if (sym == el->sym) |
| 2935 | { |
| 2936 | se_expr = gfc_get_fake_result_decl (sym, parent_flag); |
| 2937 | break; |
| 2938 | } |
| 2939 | } |
| 2940 | |
| 2941 | else if (entry_master |
| 2942 | && (sym->ns->proc_name->backend_decl == current_function_decl |
| 2943 | || parent_flag)) |
| 2944 | se_expr = gfc_get_fake_result_decl (sym, parent_flag); |
| 2945 | |
| 2946 | if (se_expr) |
| 2947 | se->expr = se_expr; |
| 2948 | |
| 2949 | /* Procedure actual arguments. Look out for temporary variables |
| 2950 | with the same attributes as function values. */ |
| 2951 | else if (!sym->attr.temporary |
| 2952 | && sym->attr.flavor == FL_PROCEDURE |
| 2953 | && se->expr != current_function_decl) |
| 2954 | { |
| 2955 | if (!sym->attr.dummy && !sym->attr.proc_pointer) |
| 2956 | { |
| 2957 | gcc_assert (TREE_CODE (se->expr) == FUNCTION_DECL)((void)(!(((enum tree_code) (se->expr)->base.code) == FUNCTION_DECL ) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2957, __FUNCTION__), 0 : 0)); |
| 2958 | se->expr = gfc_build_addr_expr (NULL_TREE(tree) __null, se->expr); |
| 2959 | } |
| 2960 | return; |
| 2961 | } |
| 2962 | |
| 2963 | /* Dereference the expression, where needed. */ |
| 2964 | se->expr = gfc_maybe_dereference_var (sym, se->expr, se->descriptor_only, |
| 2965 | is_classarray); |
| 2966 | |
| 2967 | ref = expr->ref; |
| 2968 | } |
| 2969 | |
| 2970 | /* For character variables, also get the length. */ |
| 2971 | if (sym->ts.type == BT_CHARACTER) |
| 2972 | { |
| 2973 | /* If the character length of an entry isn't set, get the length from |
| 2974 | the master function instead. */ |
| 2975 | if (sym->attr.entry && !sym->ts.u.cl->backend_decl) |
| 2976 | se->string_length = sym->ns->proc_name->ts.u.cl->backend_decl; |
| 2977 | else |
| 2978 | se->string_length = sym->ts.u.cl->backend_decl; |
| 2979 | gcc_assert (se->string_length)((void)(!(se->string_length) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 2979, __FUNCTION__), 0 : 0)); |
| 2980 | } |
| 2981 | |
| 2982 | gfc_typespec *ts = &sym->ts; |
| 2983 | while (ref) |
| 2984 | { |
| 2985 | switch (ref->type) |
| 2986 | { |
| 2987 | case REF_ARRAY: |
| 2988 | /* Return the descriptor if that's what we want and this is an array |
| 2989 | section reference. */ |
| 2990 | if (se->descriptor_only && ref->u.ar.type != AR_ELEMENT) |
| 2991 | return; |
| 2992 | /* TODO: Pointers to single elements of array sections, eg elemental subs. */ |
| 2993 | /* Return the descriptor for array pointers and allocations. */ |
| 2994 | if (se->want_pointer |
| 2995 | && ref->next == NULL__null && (se->descriptor_only)) |
| 2996 | return; |
| 2997 | |
| 2998 | gfc_conv_array_ref (se, &ref->u.ar, expr, &expr->where); |
| 2999 | /* Return a pointer to an element. */ |
| 3000 | break; |
| 3001 | |
| 3002 | case REF_COMPONENT: |
| 3003 | ts = &ref->u.c.component->ts; |
| 3004 | if (first_time && is_classarray && sym->attr.dummy |
| 3005 | && se->descriptor_only |
| 3006 | && !CLASS_DATA (sym)sym->ts.u.derived->components->attr.allocatable |
| 3007 | && !CLASS_DATA (sym)sym->ts.u.derived->components->attr.class_pointer |
| 3008 | && CLASS_DATA (sym)sym->ts.u.derived->components->as |
| 3009 | && CLASS_DATA (sym)sym->ts.u.derived->components->as->type != AS_ASSUMED_RANK |
| 3010 | && strcmp ("_data", ref->u.c.component->name) == 0) |
| 3011 | /* Skip the first ref of a _data component, because for class |
| 3012 | arrays that one is already done by introducing a temporary |
| 3013 | array descriptor. */ |
| 3014 | break; |
| 3015 | |
| 3016 | if (ref->u.c.sym->attr.extension) |
| 3017 | conv_parent_component_references (se, ref); |
| 3018 | |
| 3019 | gfc_conv_component_ref (se, ref); |
| 3020 | if (!ref->next && ref->u.c.sym->attr.codimension |
| 3021 | && se->want_pointer && se->descriptor_only) |
| 3022 | return; |
| 3023 | |
| 3024 | break; |
| 3025 | |
| 3026 | case REF_SUBSTRING: |
| 3027 | gfc_conv_substring (se, ref, expr->ts.kind, |
| 3028 | expr->symtree->name, &expr->where); |
| 3029 | break; |
| 3030 | |
| 3031 | case REF_INQUIRY: |
| 3032 | conv_inquiry (se, ref, expr, ts); |
| 3033 | break; |
| 3034 | |
| 3035 | default: |
| 3036 | gcc_unreachable ()(fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3036, __FUNCTION__)); |
| 3037 | break; |
| 3038 | } |
| 3039 | first_time = false; |
| 3040 | ref = ref->next; |
| 3041 | } |
| 3042 | /* Pointer assignment, allocation or pass by reference. Arrays are handled |
| 3043 | separately. */ |
| 3044 | if (se->want_pointer) |
| 3045 | { |
| 3046 | if (expr->ts.type == BT_CHARACTER && !gfc_is_proc_ptr_comp (expr)) |
| 3047 | gfc_conv_string_parameter (se); |
| 3048 | else |
| 3049 | se->expr = gfc_build_addr_expr (NULL_TREE(tree) __null, se->expr); |
| 3050 | } |
| 3051 | } |
| 3052 | |
| 3053 | |
| 3054 | /* Unary ops are easy... Or they would be if ! was a valid op. */ |
| 3055 | |
| 3056 | static void |
| 3057 | gfc_conv_unary_op (enum tree_code code, gfc_se * se, gfc_expr * expr) |
| 3058 | { |
| 3059 | gfc_se operand; |
| 3060 | tree type; |
| 3061 | |
| 3062 | gcc_assert (expr->ts.type != BT_CHARACTER)((void)(!(expr->ts.type != BT_CHARACTER) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3062, __FUNCTION__), 0 : 0)); |
| 3063 | /* Initialize the operand. */ |
| 3064 | gfc_init_se (&operand, se); |
| 3065 | gfc_conv_expr_val (&operand, expr->value.op.op1); |
| 3066 | gfc_add_block_to_block (&se->pre, &operand.pre); |
| 3067 | |
| 3068 | type = gfc_typenode_for_spec (&expr->ts); |
| 3069 | |
| 3070 | /* TRUTH_NOT_EXPR is not a "true" unary operator in GCC. |
| 3071 | We must convert it to a compare to 0 (e.g. EQ_EXPR (op1, 0)). |
| 3072 | All other unary operators have an equivalent GIMPLE unary operator. */ |
| 3073 | if (code == TRUTH_NOT_EXPR) |
| 3074 | se->expr = fold_build2_loc (input_location, EQ_EXPR, type, operand.expr, |
| 3075 | build_int_cst (type, 0)); |
| 3076 | else |
| 3077 | se->expr = fold_build1_loc (input_location, code, type, operand.expr); |
| 3078 | |
| 3079 | } |
| 3080 | |
| 3081 | /* Expand power operator to optimal multiplications when a value is raised |
| 3082 | to a constant integer n. See section 4.6.3, "Evaluation of Powers" of |
| 3083 | Donald E. Knuth, "Seminumerical Algorithms", Vol. 2, "The Art of Computer |
| 3084 | Programming", 3rd Edition, 1998. */ |
| 3085 | |
| 3086 | /* This code is mostly duplicated from expand_powi in the backend. |
| 3087 | We establish the "optimal power tree" lookup table with the defined size. |
| 3088 | The items in the table are the exponents used to calculate the index |
| 3089 | exponents. Any integer n less than the value can get an "addition chain", |
| 3090 | with the first node being one. */ |
| 3091 | #define POWI_TABLE_SIZE256 256 |
| 3092 | |
| 3093 | /* The table is from builtins.c. */ |
| 3094 | static const unsigned char powi_table[POWI_TABLE_SIZE256] = |
| 3095 | { |
| 3096 | 0, 1, 1, 2, 2, 3, 3, 4, /* 0 - 7 */ |
| 3097 | 4, 6, 5, 6, 6, 10, 7, 9, /* 8 - 15 */ |
| 3098 | 8, 16, 9, 16, 10, 12, 11, 13, /* 16 - 23 */ |
| 3099 | 12, 17, 13, 18, 14, 24, 15, 26, /* 24 - 31 */ |
| 3100 | 16, 17, 17, 19, 18, 33, 19, 26, /* 32 - 39 */ |
| 3101 | 20, 25, 21, 40, 22, 27, 23, 44, /* 40 - 47 */ |
| 3102 | 24, 32, 25, 34, 26, 29, 27, 44, /* 48 - 55 */ |
| 3103 | 28, 31, 29, 34, 30, 60, 31, 36, /* 56 - 63 */ |
| 3104 | 32, 64, 33, 34, 34, 46, 35, 37, /* 64 - 71 */ |
| 3105 | 36, 65, 37, 50, 38, 48, 39, 69, /* 72 - 79 */ |
| 3106 | 40, 49, 41, 43, 42, 51, 43, 58, /* 80 - 87 */ |
| 3107 | 44, 64, 45, 47, 46, 59, 47, 76, /* 88 - 95 */ |
| 3108 | 48, 65, 49, 66, 50, 67, 51, 66, /* 96 - 103 */ |
| 3109 | 52, 70, 53, 74, 54, 104, 55, 74, /* 104 - 111 */ |
| 3110 | 56, 64, 57, 69, 58, 78, 59, 68, /* 112 - 119 */ |
| 3111 | 60, 61, 61, 80, 62, 75, 63, 68, /* 120 - 127 */ |
| 3112 | 64, 65, 65, 128, 66, 129, 67, 90, /* 128 - 135 */ |
| 3113 | 68, 73, 69, 131, 70, 94, 71, 88, /* 136 - 143 */ |
| 3114 | 72, 128, 73, 98, 74, 132, 75, 121, /* 144 - 151 */ |
| 3115 | 76, 102, 77, 124, 78, 132, 79, 106, /* 152 - 159 */ |
| 3116 | 80, 97, 81, 160, 82, 99, 83, 134, /* 160 - 167 */ |
| 3117 | 84, 86, 85, 95, 86, 160, 87, 100, /* 168 - 175 */ |
| 3118 | 88, 113, 89, 98, 90, 107, 91, 122, /* 176 - 183 */ |
| 3119 | 92, 111, 93, 102, 94, 126, 95, 150, /* 184 - 191 */ |
| 3120 | 96, 128, 97, 130, 98, 133, 99, 195, /* 192 - 199 */ |
| 3121 | 100, 128, 101, 123, 102, 164, 103, 138, /* 200 - 207 */ |
| 3122 | 104, 145, 105, 146, 106, 109, 107, 149, /* 208 - 215 */ |
| 3123 | 108, 200, 109, 146, 110, 170, 111, 157, /* 216 - 223 */ |
| 3124 | 112, 128, 113, 130, 114, 182, 115, 132, /* 224 - 231 */ |
| 3125 | 116, 200, 117, 132, 118, 158, 119, 206, /* 232 - 239 */ |
| 3126 | 120, 240, 121, 162, 122, 147, 123, 152, /* 240 - 247 */ |
| 3127 | 124, 166, 125, 214, 126, 138, 127, 153, /* 248 - 255 */ |
| 3128 | }; |
| 3129 | |
| 3130 | /* If n is larger than lookup table's max index, we use the "window |
| 3131 | method". */ |
| 3132 | #define POWI_WINDOW_SIZE3 3 |
| 3133 | |
| 3134 | /* Recursive function to expand the power operator. The temporary |
| 3135 | values are put in tmpvar. The function returns tmpvar[1] ** n. */ |
| 3136 | static tree |
| 3137 | gfc_conv_powi (gfc_se * se, unsigned HOST_WIDE_INTlong n, tree * tmpvar) |
| 3138 | { |
| 3139 | tree op0; |
| 3140 | tree op1; |
| 3141 | tree tmp; |
| 3142 | int digit; |
| 3143 | |
| 3144 | if (n < POWI_TABLE_SIZE256) |
| 3145 | { |
| 3146 | if (tmpvar[n]) |
| 3147 | return tmpvar[n]; |
| 3148 | |
| 3149 | op0 = gfc_conv_powi (se, n - powi_table[n], tmpvar); |
| 3150 | op1 = gfc_conv_powi (se, powi_table[n], tmpvar); |
| 3151 | } |
| 3152 | else if (n & 1) |
| 3153 | { |
| 3154 | digit = n & ((1 << POWI_WINDOW_SIZE3) - 1); |
| 3155 | op0 = gfc_conv_powi (se, n - digit, tmpvar); |
| 3156 | op1 = gfc_conv_powi (se, digit, tmpvar); |
| 3157 | } |
| 3158 | else |
| 3159 | { |
| 3160 | op0 = gfc_conv_powi (se, n >> 1, tmpvar); |
| 3161 | op1 = op0; |
| 3162 | } |
| 3163 | |
| 3164 | tmp = fold_build2_loc (input_location, MULT_EXPR, TREE_TYPE (op0)((contains_struct_check ((op0), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3164, __FUNCTION__))->typed.type), op0, op1); |
| 3165 | tmp = gfc_evaluate_now (tmp, &se->pre); |
| 3166 | |
| 3167 | if (n < POWI_TABLE_SIZE256) |
| 3168 | tmpvar[n] = tmp; |
| 3169 | |
| 3170 | return tmp; |
| 3171 | } |
| 3172 | |
| 3173 | |
| 3174 | /* Expand lhs ** rhs. rhs is a constant integer. If it expands successfully, |
| 3175 | return 1. Else return 0 and a call to runtime library functions |
| 3176 | will have to be built. */ |
| 3177 | static int |
| 3178 | gfc_conv_cst_int_power (gfc_se * se, tree lhs, tree rhs) |
| 3179 | { |
| 3180 | tree cond; |
| 3181 | tree tmp; |
| 3182 | tree type; |
| 3183 | tree vartmp[POWI_TABLE_SIZE256]; |
| 3184 | HOST_WIDE_INTlong m; |
| 3185 | unsigned HOST_WIDE_INTlong n; |
| 3186 | int sgn; |
| 3187 | wi::tree_to_wide_ref wrhs = wi::to_wide (rhs); |
| 3188 | |
| 3189 | /* If exponent is too large, we won't expand it anyway, so don't bother |
| 3190 | with large integer values. */ |
| 3191 | if (!wi::fits_shwi_p (wrhs)) |
| 3192 | return 0; |
| 3193 | |
| 3194 | m = wrhs.to_shwi (); |
| 3195 | /* Use the wide_int's routine to reliably get the absolute value on all |
| 3196 | platforms. Then convert it to a HOST_WIDE_INT like above. */ |
| 3197 | n = wi::abs (wrhs).to_shwi (); |
| 3198 | |
| 3199 | type = TREE_TYPE (lhs)((contains_struct_check ((lhs), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3199, __FUNCTION__))->typed.type); |
| 3200 | sgn = tree_int_cst_sgn (rhs); |
| 3201 | |
| 3202 | if (((FLOAT_TYPE_P (type)((((enum tree_code) (type)->base.code) == REAL_TYPE) || (( ((enum tree_code) (type)->base.code) == COMPLEX_TYPE || (( (enum tree_code) (type)->base.code) == VECTOR_TYPE)) && (((enum tree_code) (((contains_struct_check ((type), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3202, __FUNCTION__))->typed.type))->base.code) == REAL_TYPE ))) && !flag_unsafe_math_optimizationsglobal_options.x_flag_unsafe_math_optimizations) |
| 3203 | || optimize_sizeglobal_options.x_optimize_size) && (m > 2 || m < -1)) |
| 3204 | return 0; |
| 3205 | |
| 3206 | /* rhs == 0 */ |
| 3207 | if (sgn == 0) |
| 3208 | { |
| 3209 | se->expr = gfc_build_const (type, integer_one_nodeglobal_trees[TI_INTEGER_ONE]); |
| 3210 | return 1; |
| 3211 | } |
| 3212 | |
| 3213 | /* If rhs < 0 and lhs is an integer, the result is -1, 0 or 1. */ |
| 3214 | if ((sgn == -1) && (TREE_CODE (type)((enum tree_code) (type)->base.code) == INTEGER_TYPE)) |
| 3215 | { |
| 3216 | tmp = fold_build2_loc (input_location, EQ_EXPR, logical_type_node, |
| 3217 | lhs, build_int_cst (TREE_TYPE (lhs)((contains_struct_check ((lhs), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3217, __FUNCTION__))->typed.type), -1)); |
| 3218 | cond = fold_build2_loc (input_location, EQ_EXPR, logical_type_node, |
| 3219 | lhs, build_int_cst (TREE_TYPE (lhs)((contains_struct_check ((lhs), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3219, __FUNCTION__))->typed.type), 1)); |
| 3220 | |
| 3221 | /* If rhs is even, |
| 3222 | result = (lhs == 1 || lhs == -1) ? 1 : 0. */ |
| 3223 | if ((n & 1) == 0) |
| 3224 | { |
| 3225 | tmp = fold_build2_loc (input_location, TRUTH_OR_EXPR, |
| 3226 | logical_type_node, tmp, cond); |
| 3227 | se->expr = fold_build3_loc (input_location, COND_EXPR, type, |
| 3228 | tmp, build_int_cst (type, 1), |
| 3229 | build_int_cst (type, 0)); |
| 3230 | return 1; |
| 3231 | } |
| 3232 | /* If rhs is odd, |
| 3233 | result = (lhs == 1) ? 1 : (lhs == -1) ? -1 : 0. */ |
| 3234 | tmp = fold_build3_loc (input_location, COND_EXPR, type, tmp, |
| 3235 | build_int_cst (type, -1), |
| 3236 | build_int_cst (type, 0)); |
| 3237 | se->expr = fold_build3_loc (input_location, COND_EXPR, type, |
| 3238 | cond, build_int_cst (type, 1), tmp); |
| 3239 | return 1; |
| 3240 | } |
| 3241 | |
| 3242 | memset (vartmp, 0, sizeof (vartmp)); |
| 3243 | vartmp[1] = lhs; |
| 3244 | if (sgn == -1) |
| 3245 | { |
| 3246 | tmp = gfc_build_const (type, integer_one_nodeglobal_trees[TI_INTEGER_ONE]); |
| 3247 | vartmp[1] = fold_build2_loc (input_location, RDIV_EXPR, type, tmp, |
| 3248 | vartmp[1]); |
| 3249 | } |
| 3250 | |
| 3251 | se->expr = gfc_conv_powi (se, n, vartmp); |
| 3252 | |
| 3253 | return 1; |
| 3254 | } |
| 3255 | |
| 3256 | |
| 3257 | /* Power op (**). Constant integer exponent has special handling. */ |
| 3258 | |
| 3259 | static void |
| 3260 | gfc_conv_power_op (gfc_se * se, gfc_expr * expr) |
| 3261 | { |
| 3262 | tree gfc_int4_type_node; |
| 3263 | int kind; |
| 3264 | int ikind; |
| 3265 | int res_ikind_1, res_ikind_2; |
| 3266 | gfc_se lse; |
| 3267 | gfc_se rse; |
| 3268 | tree fndecl = NULL__null; |
| 3269 | |
| 3270 | gfc_init_se (&lse, se); |
| 3271 | gfc_conv_expr_val (&lse, expr->value.op.op1); |
| 3272 | lse.expr = gfc_evaluate_now (lse.expr, &lse.pre); |
| 3273 | gfc_add_block_to_block (&se->pre, &lse.pre); |
| 3274 | |
| 3275 | gfc_init_se (&rse, se); |
| 3276 | gfc_conv_expr_val (&rse, expr->value.op.op2); |
| 3277 | gfc_add_block_to_block (&se->pre, &rse.pre); |
| 3278 | |
| 3279 | if (expr->value.op.op2->ts.type == BT_INTEGER |
| 3280 | && expr->value.op.op2->expr_type == EXPR_CONSTANT) |
| 3281 | if (gfc_conv_cst_int_power (se, lse.expr, rse.expr)) |
| 3282 | return; |
| 3283 | |
| 3284 | if (INTEGER_CST_P (lse.expr)(((enum tree_code) (lse.expr)->base.code) == INTEGER_CST) |
| 3285 | && TREE_CODE (TREE_TYPE (rse.expr))((enum tree_code) (((contains_struct_check ((rse.expr), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3285, __FUNCTION__))->typed.type))->base.code) == INTEGER_TYPE) |
| 3286 | { |
| 3287 | wi::tree_to_wide_ref wlhs = wi::to_wide (lse.expr); |
| 3288 | HOST_WIDE_INTlong v, w; |
| 3289 | int kind, ikind, bit_size; |
| 3290 | |
| 3291 | v = wlhs.to_shwi (); |
| 3292 | w = abs (v); |
| 3293 | |
| 3294 | kind = expr->value.op.op1->ts.kind; |
| 3295 | ikind = gfc_validate_kind (BT_INTEGER, kind, false); |
| 3296 | bit_size = gfc_integer_kinds[ikind].bit_size; |
| 3297 | |
| 3298 | if (v == 1) |
| 3299 | { |
| 3300 | /* 1**something is always 1. */ |
| 3301 | se->expr = build_int_cst (TREE_TYPE (lse.expr)((contains_struct_check ((lse.expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3301, __FUNCTION__))->typed.type), 1); |
| 3302 | return; |
| 3303 | } |
| 3304 | else if (v == -1) |
| 3305 | { |
| 3306 | /* (-1)**n is 1 - ((n & 1) << 1) */ |
| 3307 | tree type; |
| 3308 | tree tmp; |
| 3309 | |
| 3310 | type = TREE_TYPE (lse.expr)((contains_struct_check ((lse.expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3310, __FUNCTION__))->typed.type); |
| 3311 | tmp = fold_build2_loc (input_location, BIT_AND_EXPR, type, |
| 3312 | rse.expr, build_int_cst (type, 1)); |
| 3313 | tmp = fold_build2_loc (input_location, LSHIFT_EXPR, type, |
| 3314 | tmp, build_int_cst (type, 1)); |
| 3315 | tmp = fold_build2_loc (input_location, MINUS_EXPR, type, |
| 3316 | build_int_cst (type, 1), tmp); |
| 3317 | se->expr = tmp; |
| 3318 | return; |
| 3319 | } |
| 3320 | else if (w > 0 && ((w & (w-1)) == 0) && ((w >> (bit_size-1)) == 0)) |
| 3321 | { |
| 3322 | /* Here v is +/- 2**e. The further simplification uses |
| 3323 | 2**n = 1<<n, 4**n = 1<<(n+n), 8**n = 1 <<(3*n), 16**n = |
| 3324 | 1<<(4*n), etc., but we have to make sure to return zero |
| 3325 | if the number of bits is too large. */ |
| 3326 | tree lshift; |
| 3327 | tree type; |
| 3328 | tree shift; |
| 3329 | tree ge; |
| 3330 | tree cond; |
| 3331 | tree num_bits; |
| 3332 | tree cond2; |
| 3333 | tree tmp1; |
| 3334 | |
| 3335 | type = TREE_TYPE (lse.expr)((contains_struct_check ((lse.expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3335, __FUNCTION__))->typed.type); |
| 3336 | |
| 3337 | if (w == 2) |
| 3338 | shift = rse.expr; |
| 3339 | else if (w == 4) |
| 3340 | shift = fold_build2_loc (input_location, PLUS_EXPR, |
| 3341 | TREE_TYPE (rse.expr)((contains_struct_check ((rse.expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3341, __FUNCTION__))->typed.type), |
| 3342 | rse.expr, rse.expr); |
| 3343 | else |
| 3344 | { |
| 3345 | /* use popcount for fast log2(w) */ |
| 3346 | int e = wi::popcount (w-1); |
| 3347 | shift = fold_build2_loc (input_location, MULT_EXPR, |
| 3348 | TREE_TYPE (rse.expr)((contains_struct_check ((rse.expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3348, __FUNCTION__))->typed.type), |
| 3349 | build_int_cst (TREE_TYPE (rse.expr)((contains_struct_check ((rse.expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3349, __FUNCTION__))->typed.type), e), |
| 3350 | rse.expr); |
| 3351 | } |
| 3352 | |
| 3353 | lshift = fold_build2_loc (input_location, LSHIFT_EXPR, type, |
| 3354 | build_int_cst (type, 1), shift); |
| 3355 | ge = fold_build2_loc (input_location, GE_EXPR, logical_type_node, |
| 3356 | rse.expr, build_int_cst (type, 0)); |
| 3357 | cond = fold_build3_loc (input_location, COND_EXPR, type, ge, lshift, |
| 3358 | build_int_cst (type, 0)); |
| 3359 | num_bits = build_int_cst (TREE_TYPE (rse.expr)((contains_struct_check ((rse.expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3359, __FUNCTION__))->typed.type), TYPE_PRECISION (type)((tree_class_check ((type), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3359, __FUNCTION__))->type_common.precision)); |
| 3360 | cond2 = fold_build2_loc (input_location, GE_EXPR, logical_type_node, |
| 3361 | rse.expr, num_bits); |
| 3362 | tmp1 = fold_build3_loc (input_location, COND_EXPR, type, cond2, |
| 3363 | build_int_cst (type, 0), cond); |
| 3364 | if (v > 0) |
| 3365 | { |
| 3366 | se->expr = tmp1; |
| 3367 | } |
| 3368 | else |
| 3369 | { |
| 3370 | /* for v < 0, calculate v**n = |v|**n * (-1)**n */ |
| 3371 | tree tmp2; |
| 3372 | tmp2 = fold_build2_loc (input_location, BIT_AND_EXPR, type, |
| 3373 | rse.expr, build_int_cst (type, 1)); |
| 3374 | tmp2 = fold_build2_loc (input_location, LSHIFT_EXPR, type, |
| 3375 | tmp2, build_int_cst (type, 1)); |
| 3376 | tmp2 = fold_build2_loc (input_location, MINUS_EXPR, type, |
| 3377 | build_int_cst (type, 1), tmp2); |
| 3378 | se->expr = fold_build2_loc (input_location, MULT_EXPR, type, |
| 3379 | tmp1, tmp2); |
| 3380 | } |
| 3381 | return; |
| 3382 | } |
| 3383 | } |
| 3384 | |
| 3385 | gfc_int4_type_node = gfc_get_int_type (4); |
| 3386 | |
| 3387 | /* In case of integer operands with kinds 1 or 2, we call the integer kind 4 |
| 3388 | library routine. But in the end, we have to convert the result back |
| 3389 | if this case applies -- with res_ikind_K, we keep track whether operand K |
| 3390 | falls into this case. */ |
| 3391 | res_ikind_1 = -1; |
| 3392 | res_ikind_2 = -1; |
| 3393 | |
| 3394 | kind = expr->value.op.op1->ts.kind; |
| 3395 | switch (expr->value.op.op2->ts.type) |
| 3396 | { |
| 3397 | case BT_INTEGER: |
| 3398 | ikind = expr->value.op.op2->ts.kind; |
| 3399 | switch (ikind) |
| 3400 | { |
| 3401 | case 1: |
| 3402 | case 2: |
| 3403 | rse.expr = convert (gfc_int4_type_node, rse.expr); |
| 3404 | res_ikind_2 = ikind; |
| 3405 | /* Fall through. */ |
| 3406 | |
| 3407 | case 4: |
| 3408 | ikind = 0; |
| 3409 | break; |
| 3410 | |
| 3411 | case 8: |
| 3412 | ikind = 1; |
| 3413 | break; |
| 3414 | |
| 3415 | case 16: |
| 3416 | ikind = 2; |
| 3417 | break; |
| 3418 | |
| 3419 | default: |
| 3420 | gcc_unreachable ()(fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3420, __FUNCTION__)); |
| 3421 | } |
| 3422 | switch (kind) |
| 3423 | { |
| 3424 | case 1: |
| 3425 | case 2: |
| 3426 | if (expr->value.op.op1->ts.type == BT_INTEGER) |
| 3427 | { |
| 3428 | lse.expr = convert (gfc_int4_type_node, lse.expr); |
| 3429 | res_ikind_1 = kind; |
| 3430 | } |
| 3431 | else |
| 3432 | gcc_unreachable ()(fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3432, __FUNCTION__)); |
| 3433 | /* Fall through. */ |
| 3434 | |
| 3435 | case 4: |
| 3436 | kind = 0; |
| 3437 | break; |
| 3438 | |
| 3439 | case 8: |
| 3440 | kind = 1; |
| 3441 | break; |
| 3442 | |
| 3443 | case 10: |
| 3444 | kind = 2; |
| 3445 | break; |
| 3446 | |
| 3447 | case 16: |
| 3448 | kind = 3; |
| 3449 | break; |
| 3450 | |
| 3451 | default: |
| 3452 | gcc_unreachable ()(fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3452, __FUNCTION__)); |
| 3453 | } |
| 3454 | |
| 3455 | switch (expr->value.op.op1->ts.type) |
| 3456 | { |
| 3457 | case BT_INTEGER: |
| 3458 | if (kind == 3) /* Case 16 was not handled properly above. */ |
| 3459 | kind = 2; |
| 3460 | fndecl = gfor_fndecl_math_powi[kind][ikind].integer; |
| 3461 | break; |
| 3462 | |
| 3463 | case BT_REAL: |
| 3464 | /* Use builtins for real ** int4. */ |
| 3465 | if (ikind == 0) |
| 3466 | { |
| 3467 | switch (kind) |
| 3468 | { |
| 3469 | case 0: |
| 3470 | fndecl = builtin_decl_explicit (BUILT_IN_POWIF); |
| 3471 | break; |
| 3472 | |
| 3473 | case 1: |
| 3474 | fndecl = builtin_decl_explicit (BUILT_IN_POWI); |
| 3475 | break; |
| 3476 | |
| 3477 | case 2: |
| 3478 | fndecl = builtin_decl_explicit (BUILT_IN_POWIL); |
| 3479 | break; |
| 3480 | |
| 3481 | case 3: |
| 3482 | /* Use the __builtin_powil() only if real(kind=16) is |
| 3483 | actually the C long double type. */ |
| 3484 | if (!gfc_real16_is_float128) |
| 3485 | fndecl = builtin_decl_explicit (BUILT_IN_POWIL); |
| 3486 | break; |
| 3487 | |
| 3488 | default: |
| 3489 | gcc_unreachable ()(fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3489, __FUNCTION__)); |
| 3490 | } |
| 3491 | } |
| 3492 | |
| 3493 | /* If we don't have a good builtin for this, go for the |
| 3494 | library function. */ |
| 3495 | if (!fndecl) |
| 3496 | fndecl = gfor_fndecl_math_powi[kind][ikind].real; |
| 3497 | break; |
| 3498 | |
| 3499 | case BT_COMPLEX: |
| 3500 | fndecl = gfor_fndecl_math_powi[kind][ikind].cmplx; |
| 3501 | break; |
| 3502 | |
| 3503 | default: |
| 3504 | gcc_unreachable ()(fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3504, __FUNCTION__)); |
| 3505 | } |
| 3506 | break; |
| 3507 | |
| 3508 | case BT_REAL: |
| 3509 | fndecl = gfc_builtin_decl_for_float_kind (BUILT_IN_POW, kind); |
| 3510 | break; |
| 3511 | |
| 3512 | case BT_COMPLEX: |
| 3513 | fndecl = gfc_builtin_decl_for_float_kind (BUILT_IN_CPOW, kind); |
| 3514 | break; |
| 3515 | |
| 3516 | default: |
| 3517 | gcc_unreachable ()(fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3517, __FUNCTION__)); |
| 3518 | break; |
| 3519 | } |
| 3520 | |
| 3521 | se->expr = build_call_expr_loc (input_location, |
| 3522 | fndecl, 2, lse.expr, rse.expr); |
| 3523 | |
| 3524 | /* Convert the result back if it is of wrong integer kind. */ |
| 3525 | if (res_ikind_1 != -1 && res_ikind_2 != -1) |
| 3526 | { |
| 3527 | /* We want the maximum of both operand kinds as result. */ |
| 3528 | if (res_ikind_1 < res_ikind_2) |
| 3529 | res_ikind_1 = res_ikind_2; |
| 3530 | se->expr = convert (gfc_get_int_type (res_ikind_1), se->expr); |
| 3531 | } |
| 3532 | } |
| 3533 | |
| 3534 | |
| 3535 | /* Generate code to allocate a string temporary. */ |
| 3536 | |
| 3537 | tree |
| 3538 | gfc_conv_string_tmp (gfc_se * se, tree type, tree len) |
| 3539 | { |
| 3540 | tree var; |
| 3541 | tree tmp; |
| 3542 | |
| 3543 | if (gfc_can_put_var_on_stack (len)) |
| 3544 | { |
| 3545 | /* Create a temporary variable to hold the result. */ |
| 3546 | tmp = fold_build2_loc (input_location, MINUS_EXPR, |
| 3547 | TREE_TYPE (len)((contains_struct_check ((len), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3547, __FUNCTION__))->typed.type), len, |
| 3548 | build_int_cst (TREE_TYPE (len)((contains_struct_check ((len), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3548, __FUNCTION__))->typed.type), 1)); |
| 3549 | tmp = build_range_type (gfc_charlen_type_node, size_zero_nodeglobal_trees[TI_SIZE_ZERO], tmp); |
| 3550 | |
| 3551 | if (TREE_CODE (TREE_TYPE (type))((enum tree_code) (((contains_struct_check ((type), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3551, __FUNCTION__))->typed.type))->base.code) == ARRAY_TYPE) |
| 3552 | tmp = build_array_type (TREE_TYPE (TREE_TYPE (type))((contains_struct_check ((((contains_struct_check ((type), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3552, __FUNCTION__))->typed.type)), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3552, __FUNCTION__))->typed.type), tmp); |
| 3553 | else |
| 3554 | tmp = build_array_type (TREE_TYPE (type)((contains_struct_check ((type), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3554, __FUNCTION__))->typed.type), tmp); |
| 3555 | |
| 3556 | var = gfc_create_var (tmp, "str"); |
| 3557 | var = gfc_build_addr_expr (type, var); |
| 3558 | } |
| 3559 | else |
| 3560 | { |
| 3561 | /* Allocate a temporary to hold the result. */ |
| 3562 | var = gfc_create_var (type, "pstr"); |
| 3563 | gcc_assert (POINTER_TYPE_P (type))((void)(!((((enum tree_code) (type)->base.code) == POINTER_TYPE || ((enum tree_code) (type)->base.code) == REFERENCE_TYPE )) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3563, __FUNCTION__), 0 : 0)); |
| 3564 | tmp = TREE_TYPE (type)((contains_struct_check ((type), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3564, __FUNCTION__))->typed.type); |
| 3565 | if (TREE_CODE (tmp)((enum tree_code) (tmp)->base.code) == ARRAY_TYPE) |
| 3566 | tmp = TREE_TYPE (tmp)((contains_struct_check ((tmp), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3566, __FUNCTION__))->typed.type); |
| 3567 | tmp = TYPE_SIZE_UNIT (tmp)((tree_class_check ((tmp), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3567, __FUNCTION__))->type_common.size_unit); |
| 3568 | tmp = fold_build2_loc (input_location, MULT_EXPR, size_type_nodeglobal_trees[TI_SIZE_TYPE], |
| 3569 | fold_convert (size_type_node, len)fold_convert_loc (((location_t) 0), global_trees[TI_SIZE_TYPE ], len), |
| 3570 | fold_convert (size_type_node, tmp)fold_convert_loc (((location_t) 0), global_trees[TI_SIZE_TYPE ], tmp)); |
| 3571 | tmp = gfc_call_malloc (&se->pre, type, tmp); |
| 3572 | gfc_add_modify (&se->pre, var, tmp); |
| 3573 | |
| 3574 | /* Free the temporary afterwards. */ |
| 3575 | tmp = gfc_call_free (var); |
| 3576 | gfc_add_expr_to_block (&se->post, tmp); |
| 3577 | } |
| 3578 | |
| 3579 | return var; |
| 3580 | } |
| 3581 | |
| 3582 | |
| 3583 | /* Handle a string concatenation operation. A temporary will be allocated to |
| 3584 | hold the result. */ |
| 3585 | |
| 3586 | static void |
| 3587 | gfc_conv_concat_op (gfc_se * se, gfc_expr * expr) |
| 3588 | { |
| 3589 | gfc_se lse, rse; |
| 3590 | tree len, type, var, tmp, fndecl; |
| 3591 | |
| 3592 | gcc_assert (expr->value.op.op1->ts.type == BT_CHARACTER((void)(!(expr->value.op.op1->ts.type == BT_CHARACTER && expr->value.op.op2->ts.type == BT_CHARACTER) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3593, __FUNCTION__), 0 : 0)) |
| 3593 | && expr->value.op.op2->ts.type == BT_CHARACTER)((void)(!(expr->value.op.op1->ts.type == BT_CHARACTER && expr->value.op.op2->ts.type == BT_CHARACTER) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3593, __FUNCTION__), 0 : 0)); |
| 3594 | gcc_assert (expr->value.op.op1->ts.kind == expr->value.op.op2->ts.kind)((void)(!(expr->value.op.op1->ts.kind == expr->value .op.op2->ts.kind) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3594, __FUNCTION__), 0 : 0)); |
| 3595 | |
| 3596 | gfc_init_se (&lse, se); |
| 3597 | gfc_conv_expr (&lse, expr->value.op.op1); |
| 3598 | gfc_conv_string_parameter (&lse); |
| 3599 | gfc_init_se (&rse, se); |
| 3600 | gfc_conv_expr (&rse, expr->value.op.op2); |
| 3601 | gfc_conv_string_parameter (&rse); |
| 3602 | |
| 3603 | gfc_add_block_to_block (&se->pre, &lse.pre); |
| 3604 | gfc_add_block_to_block (&se->pre, &rse.pre); |
| 3605 | |
| 3606 | type = gfc_get_character_type (expr->ts.kind, expr->ts.u.cl); |
| 3607 | len = TYPE_MAX_VALUE (TYPE_DOMAIN (type))((tree_check5 ((((tree_check ((type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3607, __FUNCTION__, (ARRAY_TYPE)))->type_non_common.values )), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3607, __FUNCTION__, (INTEGER_TYPE), (ENUMERAL_TYPE), (BOOLEAN_TYPE ), (REAL_TYPE), (FIXED_POINT_TYPE)))->type_non_common.maxval ); |
| 3608 | if (len == NULL_TREE(tree) __null) |
| 3609 | { |
| 3610 | len = fold_build2_loc (input_location, PLUS_EXPR, |
| 3611 | gfc_charlen_type_node, |
| 3612 | fold_convert (gfc_charlen_type_node,fold_convert_loc (((location_t) 0), gfc_charlen_type_node, lse .string_length) |
| 3613 | lse.string_length)fold_convert_loc (((location_t) 0), gfc_charlen_type_node, lse .string_length), |
| 3614 | fold_convert (gfc_charlen_type_node,fold_convert_loc (((location_t) 0), gfc_charlen_type_node, rse .string_length) |
| 3615 | rse.string_length)fold_convert_loc (((location_t) 0), gfc_charlen_type_node, rse .string_length)); |
| 3616 | } |
| 3617 | |
| 3618 | type = build_pointer_type (type); |
| 3619 | |
| 3620 | var = gfc_conv_string_tmp (se, type, len); |
| 3621 | |
| 3622 | /* Do the actual concatenation. */ |
| 3623 | if (expr->ts.kind == 1) |
| 3624 | fndecl = gfor_fndecl_concat_string; |
| 3625 | else if (expr->ts.kind == 4) |
| 3626 | fndecl = gfor_fndecl_concat_string_char4; |
| 3627 | else |
| 3628 | gcc_unreachable ()(fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3628, __FUNCTION__)); |
| 3629 | |
| 3630 | tmp = build_call_expr_loc (input_location, |
| 3631 | fndecl, 6, len, var, lse.string_length, lse.expr, |
| 3632 | rse.string_length, rse.expr); |
| 3633 | gfc_add_expr_to_block (&se->pre, tmp); |
| 3634 | |
| 3635 | /* Add the cleanup for the operands. */ |
| 3636 | gfc_add_block_to_block (&se->pre, &rse.post); |
| 3637 | gfc_add_block_to_block (&se->pre, &lse.post); |
| 3638 | |
| 3639 | se->expr = var; |
| 3640 | se->string_length = len; |
| 3641 | } |
| 3642 | |
| 3643 | /* Translates an op expression. Common (binary) cases are handled by this |
| 3644 | function, others are passed on. Recursion is used in either case. |
| 3645 | We use the fact that (op1.ts == op2.ts) (except for the power |
| 3646 | operator **). |
| 3647 | Operators need no special handling for scalarized expressions as long as |
| 3648 | they call gfc_conv_simple_val to get their operands. |
| 3649 | Character strings get special handling. */ |
| 3650 | |
| 3651 | static void |
| 3652 | gfc_conv_expr_op (gfc_se * se, gfc_expr * expr) |
| 3653 | { |
| 3654 | enum tree_code code; |
| 3655 | gfc_se lse; |
| 3656 | gfc_se rse; |
| 3657 | tree tmp, type; |
| 3658 | int lop; |
| 3659 | int checkstring; |
| 3660 | |
| 3661 | checkstring = 0; |
| 3662 | lop = 0; |
| 3663 | switch (expr->value.op.op) |
| 3664 | { |
| 3665 | case INTRINSIC_PARENTHESES: |
| 3666 | if ((expr->ts.type == BT_REAL || expr->ts.type == BT_COMPLEX) |
| 3667 | && flag_protect_parensglobal_options.x_flag_protect_parens) |
| 3668 | { |
| 3669 | gfc_conv_unary_op (PAREN_EXPR, se, expr); |
| 3670 | gcc_assert (FLOAT_TYPE_P (TREE_TYPE (se->expr)))((void)(!(((((enum tree_code) (((contains_struct_check ((se-> expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3670, __FUNCTION__))->typed.type))->base.code) == REAL_TYPE ) || ((((enum tree_code) (((contains_struct_check ((se->expr ), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3670, __FUNCTION__))->typed.type))->base.code) == COMPLEX_TYPE || (((enum tree_code) (((contains_struct_check ((se->expr ), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3670, __FUNCTION__))->typed.type))->base.code) == VECTOR_TYPE )) && (((enum tree_code) (((contains_struct_check ((( (contains_struct_check ((se->expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3670, __FUNCTION__))->typed.type)), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3670, __FUNCTION__))->typed.type))->base.code) == REAL_TYPE )))) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3670, __FUNCTION__), 0 : 0)); |
| 3671 | return; |
| 3672 | } |
| 3673 | |
| 3674 | /* Fallthrough. */ |
| 3675 | case INTRINSIC_UPLUS: |
| 3676 | gfc_conv_expr (se, expr->value.op.op1); |
| 3677 | return; |
| 3678 | |
| 3679 | case INTRINSIC_UMINUS: |
| 3680 | gfc_conv_unary_op (NEGATE_EXPR, se, expr); |
| 3681 | return; |
| 3682 | |
| 3683 | case INTRINSIC_NOT: |
| 3684 | gfc_conv_unary_op (TRUTH_NOT_EXPR, se, expr); |
| 3685 | return; |
| 3686 | |
| 3687 | case INTRINSIC_PLUS: |
| 3688 | code = PLUS_EXPR; |
| 3689 | break; |
| 3690 | |
| 3691 | case INTRINSIC_MINUS: |
| 3692 | code = MINUS_EXPR; |
| 3693 | break; |
| 3694 | |
| 3695 | case INTRINSIC_TIMES: |
| 3696 | code = MULT_EXPR; |
| 3697 | break; |
| 3698 | |
| 3699 | case INTRINSIC_DIVIDE: |
| 3700 | /* If expr is a real or complex expr, use an RDIV_EXPR. If op1 is |
| 3701 | an integer, we must round towards zero, so we use a |
| 3702 | TRUNC_DIV_EXPR. */ |
| 3703 | if (expr->ts.type == BT_INTEGER) |
| 3704 | code = TRUNC_DIV_EXPR; |
| 3705 | else |
| 3706 | code = RDIV_EXPR; |
| 3707 | break; |
| 3708 | |
| 3709 | case INTRINSIC_POWER: |
| 3710 | gfc_conv_power_op (se, expr); |
| 3711 | return; |
| 3712 | |
| 3713 | case INTRINSIC_CONCAT: |
| 3714 | gfc_conv_concat_op (se, expr); |
| 3715 | return; |
| 3716 | |
| 3717 | case INTRINSIC_AND: |
| 3718 | code = flag_frontend_optimizeglobal_options.x_flag_frontend_optimize ? TRUTH_ANDIF_EXPR : TRUTH_AND_EXPR; |
| 3719 | lop = 1; |
| 3720 | break; |
| 3721 | |
| 3722 | case INTRINSIC_OR: |
| 3723 | code = flag_frontend_optimizeglobal_options.x_flag_frontend_optimize ? TRUTH_ORIF_EXPR : TRUTH_OR_EXPR; |
| 3724 | lop = 1; |
| 3725 | break; |
| 3726 | |
| 3727 | /* EQV and NEQV only work on logicals, but since we represent them |
| 3728 | as integers, we can use EQ_EXPR and NE_EXPR for them in GIMPLE. */ |
| 3729 | case INTRINSIC_EQ: |
| 3730 | case INTRINSIC_EQ_OS: |
| 3731 | case INTRINSIC_EQV: |
| 3732 | code = EQ_EXPR; |
| 3733 | checkstring = 1; |
| 3734 | lop = 1; |
| 3735 | break; |
| 3736 | |
| 3737 | case INTRINSIC_NE: |
| 3738 | case INTRINSIC_NE_OS: |
| 3739 | case INTRINSIC_NEQV: |
| 3740 | code = NE_EXPR; |
| 3741 | checkstring = 1; |
| 3742 | lop = 1; |
| 3743 | break; |
| 3744 | |
| 3745 | case INTRINSIC_GT: |
| 3746 | case INTRINSIC_GT_OS: |
| 3747 | code = GT_EXPR; |
| 3748 | checkstring = 1; |
| 3749 | lop = 1; |
| 3750 | break; |
| 3751 | |
| 3752 | case INTRINSIC_GE: |
| 3753 | case INTRINSIC_GE_OS: |
| 3754 | code = GE_EXPR; |
| 3755 | checkstring = 1; |
| 3756 | lop = 1; |
| 3757 | break; |
| 3758 | |
| 3759 | case INTRINSIC_LT: |
| 3760 | case INTRINSIC_LT_OS: |
| 3761 | code = LT_EXPR; |
| 3762 | checkstring = 1; |
| 3763 | lop = 1; |
| 3764 | break; |
| 3765 | |
| 3766 | case INTRINSIC_LE: |
| 3767 | case INTRINSIC_LE_OS: |
| 3768 | code = LE_EXPR; |
| 3769 | checkstring = 1; |
| 3770 | lop = 1; |
| 3771 | break; |
| 3772 | |
| 3773 | case INTRINSIC_USER: |
| 3774 | case INTRINSIC_ASSIGN: |
| 3775 | /* These should be converted into function calls by the frontend. */ |
| 3776 | gcc_unreachable ()(fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3776, __FUNCTION__)); |
| 3777 | |
| 3778 | default: |
| 3779 | fatal_error (input_location, "Unknown intrinsic op"); |
| 3780 | return; |
| 3781 | } |
| 3782 | |
| 3783 | /* The only exception to this is **, which is handled separately anyway. */ |
| 3784 | gcc_assert (expr->value.op.op1->ts.type == expr->value.op.op2->ts.type)((void)(!(expr->value.op.op1->ts.type == expr->value .op.op2->ts.type) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3784, __FUNCTION__), 0 : 0)); |
| 3785 | |
| 3786 | if (checkstring && expr->value.op.op1->ts.type != BT_CHARACTER) |
| 3787 | checkstring = 0; |
| 3788 | |
| 3789 | /* lhs */ |
| 3790 | gfc_init_se (&lse, se); |
| 3791 | gfc_conv_expr (&lse, expr->value.op.op1); |
| 3792 | gfc_add_block_to_block (&se->pre, &lse.pre); |
| 3793 | |
| 3794 | /* rhs */ |
| 3795 | gfc_init_se (&rse, se); |
| 3796 | gfc_conv_expr (&rse, expr->value.op.op2); |
| 3797 | gfc_add_block_to_block (&se->pre, &rse.pre); |
| 3798 | |
| 3799 | if (checkstring) |
| 3800 | { |
| 3801 | gfc_conv_string_parameter (&lse); |
| 3802 | gfc_conv_string_parameter (&rse); |
| 3803 | |
| 3804 | lse.expr = gfc_build_compare_string (lse.string_length, lse.expr, |
| 3805 | rse.string_length, rse.expr, |
| 3806 | expr->value.op.op1->ts.kind, |
| 3807 | code); |
| 3808 | rse.expr = build_int_cst (TREE_TYPE (lse.expr)((contains_struct_check ((lse.expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3808, __FUNCTION__))->typed.type), 0); |
| 3809 | gfc_add_block_to_block (&lse.post, &rse.post); |
| 3810 | } |
| 3811 | |
| 3812 | type = gfc_typenode_for_spec (&expr->ts); |
| 3813 | |
| 3814 | if (lop) |
| 3815 | { |
| 3816 | /* The result of logical ops is always logical_type_node. */ |
| 3817 | tmp = fold_build2_loc (input_location, code, logical_type_node, |
| 3818 | lse.expr, rse.expr); |
| 3819 | se->expr = convert (type, tmp); |
| 3820 | } |
| 3821 | else |
| 3822 | se->expr = fold_build2_loc (input_location, code, type, lse.expr, rse.expr); |
| 3823 | |
| 3824 | /* Add the post blocks. */ |
| 3825 | gfc_add_block_to_block (&se->post, &rse.post); |
| 3826 | gfc_add_block_to_block (&se->post, &lse.post); |
| 3827 | } |
| 3828 | |
| 3829 | /* If a string's length is one, we convert it to a single character. */ |
| 3830 | |
| 3831 | tree |
| 3832 | gfc_string_to_single_character (tree len, tree str, int kind) |
| 3833 | { |
| 3834 | |
| 3835 | if (len == NULL__null |
| 3836 | || !tree_fits_uhwi_p (len) |
| 3837 | || !POINTER_TYPE_P (TREE_TYPE (str))(((enum tree_code) (((contains_struct_check ((str), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3837, __FUNCTION__))->typed.type))->base.code) == POINTER_TYPE || ((enum tree_code) (((contains_struct_check ((str), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3837, __FUNCTION__))->typed.type))->base.code) == REFERENCE_TYPE )) |
| 3838 | return NULL_TREE(tree) __null; |
| 3839 | |
| 3840 | if (TREE_INT_CST_LOW (len)((unsigned long) (*tree_int_cst_elt_check ((len), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3840, __FUNCTION__))) == 1) |
| 3841 | { |
| 3842 | str = fold_convert (gfc_get_pchar_type (kind), str)fold_convert_loc (((location_t) 0), gfc_get_pchar_type (kind) , str); |
| 3843 | return build_fold_indirect_ref_loc (input_location, str); |
| 3844 | } |
| 3845 | |
| 3846 | if (kind == 1 |
| 3847 | && TREE_CODE (str)((enum tree_code) (str)->base.code) == ADDR_EXPR |
| 3848 | && TREE_CODE (TREE_OPERAND (str, 0))((enum tree_code) ((*((const_cast<tree*> (tree_operand_check ((str), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3848, __FUNCTION__))))))->base.code) == ARRAY_REF |
| 3849 | && TREE_CODE (TREE_OPERAND (TREE_OPERAND (str, 0), 0))((enum tree_code) ((*((const_cast<tree*> (tree_operand_check (((*((const_cast<tree*> (tree_operand_check ((str), (0 ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3849, __FUNCTION__)))))), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3849, __FUNCTION__))))))->base.code) == STRING_CST |
| 3850 | && array_ref_low_bound (TREE_OPERAND (str, 0)(*((const_cast<tree*> (tree_operand_check ((str), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3850, __FUNCTION__)))))) |
| 3851 | == TREE_OPERAND (TREE_OPERAND (str, 0), 1)(*((const_cast<tree*> (tree_operand_check (((*((const_cast <tree*> (tree_operand_check ((str), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3851, __FUNCTION__)))))), (1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3851, __FUNCTION__))))) |
| 3852 | && TREE_INT_CST_LOW (len)((unsigned long) (*tree_int_cst_elt_check ((len), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3852, __FUNCTION__))) > 1 |
| 3853 | && TREE_INT_CST_LOW (len)((unsigned long) (*tree_int_cst_elt_check ((len), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3853, __FUNCTION__))) |
| 3854 | == (unsigned HOST_WIDE_INTlong) |
| 3855 | TREE_STRING_LENGTH (TREE_OPERAND (TREE_OPERAND (str, 0), 0))((tree_check (((*((const_cast<tree*> (tree_operand_check (((*((const_cast<tree*> (tree_operand_check ((str), (0 ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3855, __FUNCTION__)))))), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3855, __FUNCTION__)))))), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3855, __FUNCTION__, (STRING_CST)))->string.length)) |
| 3856 | { |
| 3857 | tree ret = fold_convert (gfc_get_pchar_type (kind), str)fold_convert_loc (((location_t) 0), gfc_get_pchar_type (kind) , str); |
| 3858 | ret = build_fold_indirect_ref_loc (input_location, ret); |
| 3859 | if (TREE_CODE (ret)((enum tree_code) (ret)->base.code) == INTEGER_CST) |
| 3860 | { |
| 3861 | tree string_cst = TREE_OPERAND (TREE_OPERAND (str, 0), 0)(*((const_cast<tree*> (tree_operand_check (((*((const_cast <tree*> (tree_operand_check ((str), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3861, __FUNCTION__)))))), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3861, __FUNCTION__))))); |
| 3862 | int i, length = TREE_STRING_LENGTH (string_cst)((tree_check ((string_cst), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3862, __FUNCTION__, (STRING_CST)))->string.length); |
| 3863 | const char *ptr = TREE_STRING_POINTER (string_cst)((const char *)((tree_check ((string_cst), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3863, __FUNCTION__, (STRING_CST)))->string.str)); |
| 3864 | |
| 3865 | for (i = 1; i < length; i++) |
| 3866 | if (ptr[i] != ' ') |
| 3867 | return NULL_TREE(tree) __null; |
| 3868 | |
| 3869 | return ret; |
| 3870 | } |
| 3871 | } |
| 3872 | |
| 3873 | return NULL_TREE(tree) __null; |
| 3874 | } |
| 3875 | |
| 3876 | |
| 3877 | void |
| 3878 | gfc_conv_scalar_char_value (gfc_symbol *sym, gfc_se *se, gfc_expr **expr) |
| 3879 | { |
| 3880 | |
| 3881 | if (sym->backend_decl) |
| 3882 | { |
| 3883 | /* This becomes the nominal_type in |
| 3884 | function.c:assign_parm_find_data_types. */ |
| 3885 | TREE_TYPE (sym->backend_decl)((contains_struct_check ((sym->backend_decl), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3885, __FUNCTION__))->typed.type) = unsigned_char_type_nodeinteger_types[itk_unsigned_char]; |
| 3886 | /* This becomes the passed_type in |
| 3887 | function.c:assign_parm_find_data_types. C promotes char to |
| 3888 | integer for argument passing. */ |
| 3889 | DECL_ARG_TYPE (sym->backend_decl)((tree_check ((sym->backend_decl), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3889, __FUNCTION__, (PARM_DECL)))->decl_common.initial) = unsigned_type_nodeinteger_types[itk_unsigned_int]; |
| 3890 | |
| 3891 | DECL_BY_REFERENCE (sym->backend_decl)((tree_check3 ((sym->backend_decl), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3891, __FUNCTION__, (VAR_DECL), (PARM_DECL), (RESULT_DECL)) )->decl_common.decl_by_reference_flag) = 0; |
| 3892 | } |
| 3893 | |
| 3894 | if (expr != NULL__null) |
| 3895 | { |
| 3896 | /* If we have a constant character expression, make it into an |
| 3897 | integer. */ |
| 3898 | if ((*expr)->expr_type == EXPR_CONSTANT) |
| 3899 | { |
| 3900 | gfc_typespec ts; |
| 3901 | gfc_clear_ts (&ts); |
| 3902 | |
| 3903 | *expr = gfc_get_int_expr (gfc_default_integer_kind, NULL__null, |
| 3904 | (int)(*expr)->value.character.string[0]); |
| 3905 | if ((*expr)->ts.kind != gfc_c_int_kind) |
| 3906 | { |
| 3907 | /* The expr needs to be compatible with a C int. If the |
| 3908 | conversion fails, then the 2 causes an ICE. */ |
| 3909 | ts.type = BT_INTEGER; |
| 3910 | ts.kind = gfc_c_int_kind; |
| 3911 | gfc_convert_type (*expr, &ts, 2); |
| 3912 | } |
| 3913 | } |
| 3914 | else if (se != NULL__null && (*expr)->expr_type == EXPR_VARIABLE) |
| 3915 | { |
| 3916 | if ((*expr)->ref == NULL__null) |
| 3917 | { |
| 3918 | se->expr = gfc_string_to_single_character |
| 3919 | (build_int_cst (integer_type_nodeinteger_types[itk_int], 1), |
| 3920 | gfc_build_addr_expr (gfc_get_pchar_type ((*expr)->ts.kind), |
| 3921 | gfc_get_symbol_decl |
| 3922 | ((*expr)->symtree->n.sym)), |
| 3923 | (*expr)->ts.kind); |
| 3924 | } |
| 3925 | else |
| 3926 | { |
| 3927 | gfc_conv_variable (se, *expr); |
| 3928 | se->expr = gfc_string_to_single_character |
| 3929 | (build_int_cst (integer_type_nodeinteger_types[itk_int], 1), |
| 3930 | gfc_build_addr_expr (gfc_get_pchar_type ((*expr)->ts.kind), |
| 3931 | se->expr), |
| 3932 | (*expr)->ts.kind); |
| 3933 | } |
| 3934 | } |
| 3935 | } |
| 3936 | } |
| 3937 | |
| 3938 | /* Helper function for gfc_build_compare_string. Return LEN_TRIM value |
| 3939 | if STR is a string literal, otherwise return -1. */ |
| 3940 | |
| 3941 | static int |
| 3942 | gfc_optimize_len_trim (tree len, tree str, int kind) |
| 3943 | { |
| 3944 | if (kind == 1 |
| 3945 | && TREE_CODE (str)((enum tree_code) (str)->base.code) == ADDR_EXPR |
| 3946 | && TREE_CODE (TREE_OPERAND (str, 0))((enum tree_code) ((*((const_cast<tree*> (tree_operand_check ((str), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3946, __FUNCTION__))))))->base.code) == ARRAY_REF |
| 3947 | && TREE_CODE (TREE_OPERAND (TREE_OPERAND (str, 0), 0))((enum tree_code) ((*((const_cast<tree*> (tree_operand_check (((*((const_cast<tree*> (tree_operand_check ((str), (0 ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3947, __FUNCTION__)))))), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3947, __FUNCTION__))))))->base.code) == STRING_CST |
| 3948 | && array_ref_low_bound (TREE_OPERAND (str, 0)(*((const_cast<tree*> (tree_operand_check ((str), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3948, __FUNCTION__)))))) |
| 3949 | == TREE_OPERAND (TREE_OPERAND (str, 0), 1)(*((const_cast<tree*> (tree_operand_check (((*((const_cast <tree*> (tree_operand_check ((str), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3949, __FUNCTION__)))))), (1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3949, __FUNCTION__))))) |
| 3950 | && tree_fits_uhwi_p (len) |
| 3951 | && tree_to_uhwi (len) >= 1 |
| 3952 | && tree_to_uhwi (len) |
| 3953 | == (unsigned HOST_WIDE_INTlong) |
| 3954 | TREE_STRING_LENGTH (TREE_OPERAND (TREE_OPERAND (str, 0), 0))((tree_check (((*((const_cast<tree*> (tree_operand_check (((*((const_cast<tree*> (tree_operand_check ((str), (0 ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3954, __FUNCTION__)))))), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3954, __FUNCTION__)))))), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3954, __FUNCTION__, (STRING_CST)))->string.length)) |
| 3955 | { |
| 3956 | tree folded = fold_convert (gfc_get_pchar_type (kind), str)fold_convert_loc (((location_t) 0), gfc_get_pchar_type (kind) , str); |
| 3957 | folded = build_fold_indirect_ref_loc (input_location, folded); |
| 3958 | if (TREE_CODE (folded)((enum tree_code) (folded)->base.code) == INTEGER_CST) |
| 3959 | { |
| 3960 | tree string_cst = TREE_OPERAND (TREE_OPERAND (str, 0), 0)(*((const_cast<tree*> (tree_operand_check (((*((const_cast <tree*> (tree_operand_check ((str), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3960, __FUNCTION__)))))), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3960, __FUNCTION__))))); |
| 3961 | int length = TREE_STRING_LENGTH (string_cst)((tree_check ((string_cst), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3961, __FUNCTION__, (STRING_CST)))->string.length); |
| 3962 | const char *ptr = TREE_STRING_POINTER (string_cst)((const char *)((tree_check ((string_cst), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3962, __FUNCTION__, (STRING_CST)))->string.str)); |
| 3963 | |
| 3964 | for (; length > 0; length--) |
| 3965 | if (ptr[length - 1] != ' ') |
| 3966 | break; |
| 3967 | |
| 3968 | return length; |
| 3969 | } |
| 3970 | } |
| 3971 | return -1; |
| 3972 | } |
| 3973 | |
| 3974 | /* Helper to build a call to memcmp. */ |
| 3975 | |
| 3976 | static tree |
| 3977 | build_memcmp_call (tree s1, tree s2, tree n) |
| 3978 | { |
| 3979 | tree tmp; |
| 3980 | |
| 3981 | if (!POINTER_TYPE_P (TREE_TYPE (s1))(((enum tree_code) (((contains_struct_check ((s1), (TS_TYPED) , "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3981, __FUNCTION__))->typed.type))->base.code) == POINTER_TYPE || ((enum tree_code) (((contains_struct_check ((s1), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3981, __FUNCTION__))->typed.type))->base.code) == REFERENCE_TYPE )) |
| 3982 | s1 = gfc_build_addr_expr (pvoid_type_node, s1); |
| 3983 | else |
| 3984 | s1 = fold_convert (pvoid_type_node, s1)fold_convert_loc (((location_t) 0), pvoid_type_node, s1); |
| 3985 | |
| 3986 | if (!POINTER_TYPE_P (TREE_TYPE (s2))(((enum tree_code) (((contains_struct_check ((s2), (TS_TYPED) , "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3986, __FUNCTION__))->typed.type))->base.code) == POINTER_TYPE || ((enum tree_code) (((contains_struct_check ((s2), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 3986, __FUNCTION__))->typed.type))->base.code) == REFERENCE_TYPE )) |
| 3987 | s2 = gfc_build_addr_expr (pvoid_type_node, s2); |
| 3988 | else |
| 3989 | s2 = fold_convert (pvoid_type_node, s2)fold_convert_loc (((location_t) 0), pvoid_type_node, s2); |
| 3990 | |
| 3991 | n = fold_convert (size_type_node, n)fold_convert_loc (((location_t) 0), global_trees[TI_SIZE_TYPE ], n); |
| 3992 | |
| 3993 | tmp = build_call_expr_loc (input_location, |
| 3994 | builtin_decl_explicit (BUILT_IN_MEMCMP), |
| 3995 | 3, s1, s2, n); |
| 3996 | |
| 3997 | return fold_convert (integer_type_node, tmp)fold_convert_loc (((location_t) 0), integer_types[itk_int], tmp ); |
| 3998 | } |
| 3999 | |
| 4000 | /* Compare two strings. If they are all single characters, the result is the |
| 4001 | subtraction of them. Otherwise, we build a library call. */ |
| 4002 | |
| 4003 | tree |
| 4004 | gfc_build_compare_string (tree len1, tree str1, tree len2, tree str2, int kind, |
| 4005 | enum tree_code code) |
| 4006 | { |
| 4007 | tree sc1; |
| 4008 | tree sc2; |
| 4009 | tree fndecl; |
| 4010 | |
| 4011 | gcc_assert (POINTER_TYPE_P (TREE_TYPE (str1)))((void)(!((((enum tree_code) (((contains_struct_check ((str1) , (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4011, __FUNCTION__))->typed.type))->base.code) == POINTER_TYPE || ((enum tree_code) (((contains_struct_check ((str1), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4011, __FUNCTION__))->typed.type))->base.code) == REFERENCE_TYPE )) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4011, __FUNCTION__), 0 : 0)); |
| 4012 | gcc_assert (POINTER_TYPE_P (TREE_TYPE (str2)))((void)(!((((enum tree_code) (((contains_struct_check ((str2) , (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4012, __FUNCTION__))->typed.type))->base.code) == POINTER_TYPE || ((enum tree_code) (((contains_struct_check ((str2), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4012, __FUNCTION__))->typed.type))->base.code) == REFERENCE_TYPE )) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4012, __FUNCTION__), 0 : 0)); |
| 4013 | |
| 4014 | sc1 = gfc_string_to_single_character (len1, str1, kind); |
| 4015 | sc2 = gfc_string_to_single_character (len2, str2, kind); |
| 4016 | |
| 4017 | if (sc1 != NULL_TREE(tree) __null && sc2 != NULL_TREE(tree) __null) |
| 4018 | { |
| 4019 | /* Deal with single character specially. */ |
| 4020 | sc1 = fold_convert (integer_type_node, sc1)fold_convert_loc (((location_t) 0), integer_types[itk_int], sc1 ); |
| 4021 | sc2 = fold_convert (integer_type_node, sc2)fold_convert_loc (((location_t) 0), integer_types[itk_int], sc2 ); |
| 4022 | return fold_build2_loc (input_location, MINUS_EXPR, integer_type_nodeinteger_types[itk_int], |
| 4023 | sc1, sc2); |
| 4024 | } |
| 4025 | |
| 4026 | if ((code == EQ_EXPR || code == NE_EXPR) |
| 4027 | && optimizeglobal_options.x_optimize |
| 4028 | && INTEGER_CST_P (len1)(((enum tree_code) (len1)->base.code) == INTEGER_CST) && INTEGER_CST_P (len2)(((enum tree_code) (len2)->base.code) == INTEGER_CST)) |
| 4029 | { |
| 4030 | /* If one string is a string literal with LEN_TRIM longer |
| 4031 | than the length of the second string, the strings |
| 4032 | compare unequal. */ |
| 4033 | int len = gfc_optimize_len_trim (len1, str1, kind); |
| 4034 | if (len > 0 && compare_tree_int (len2, len) < 0) |
| 4035 | return integer_one_nodeglobal_trees[TI_INTEGER_ONE]; |
| 4036 | len = gfc_optimize_len_trim (len2, str2, kind); |
| 4037 | if (len > 0 && compare_tree_int (len1, len) < 0) |
| 4038 | return integer_one_nodeglobal_trees[TI_INTEGER_ONE]; |
| 4039 | } |
| 4040 | |
| 4041 | /* We can compare via memcpy if the strings are known to be equal |
| 4042 | in length and they are |
| 4043 | - kind=1 |
| 4044 | - kind=4 and the comparison is for (in)equality. */ |
| 4045 | |
| 4046 | if (INTEGER_CST_P (len1)(((enum tree_code) (len1)->base.code) == INTEGER_CST) && INTEGER_CST_P (len2)(((enum tree_code) (len2)->base.code) == INTEGER_CST) |
| 4047 | && tree_int_cst_equal (len1, len2) |
| 4048 | && (kind == 1 || code == EQ_EXPR || code == NE_EXPR)) |
| 4049 | { |
| 4050 | tree tmp; |
| 4051 | tree chartype; |
| 4052 | |
| 4053 | chartype = gfc_get_char_type (kind); |
| 4054 | tmp = fold_build2_loc (input_location, MULT_EXPR, TREE_TYPE(len1)((contains_struct_check ((len1), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4054, __FUNCTION__))->typed.type), |
| 4055 | fold_convert (TREE_TYPE(len1),fold_convert_loc (((location_t) 0), ((contains_struct_check ( (len1), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4055, __FUNCTION__))->typed.type), ((tree_class_check (( chartype), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4056, __FUNCTION__))->type_common.size_unit)) |
| 4056 | TYPE_SIZE_UNIT(chartype))fold_convert_loc (((location_t) 0), ((contains_struct_check ( (len1), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4055, __FUNCTION__))->typed.type), ((tree_class_check (( chartype), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4056, __FUNCTION__))->type_common.size_unit)), |
| 4057 | len1); |
| 4058 | return build_memcmp_call (str1, str2, tmp); |
| 4059 | } |
| 4060 | |
| 4061 | /* Build a call for the comparison. */ |
| 4062 | if (kind == 1) |
| 4063 | fndecl = gfor_fndecl_compare_string; |
| 4064 | else if (kind == 4) |
| 4065 | fndecl = gfor_fndecl_compare_string_char4; |
| 4066 | else |
| 4067 | gcc_unreachable ()(fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4067, __FUNCTION__)); |
| 4068 | |
| 4069 | return build_call_expr_loc (input_location, fndecl, 4, |
| 4070 | len1, str1, len2, str2); |
| 4071 | } |
| 4072 | |
| 4073 | |
| 4074 | /* Return the backend_decl for a procedure pointer component. */ |
| 4075 | |
| 4076 | static tree |
| 4077 | get_proc_ptr_comp (gfc_expr *e) |
| 4078 | { |
| 4079 | gfc_se comp_se; |
| 4080 | gfc_expr *e2; |
| 4081 | expr_t old_type; |
| 4082 | |
| 4083 | gfc_init_se (&comp_se, NULL__null); |
| 4084 | e2 = gfc_copy_expr (e); |
| 4085 | /* We have to restore the expr type later so that gfc_free_expr frees |
| 4086 | the exact same thing that was allocated. |
| 4087 | TODO: This is ugly. */ |
| 4088 | old_type = e2->expr_type; |
| 4089 | e2->expr_type = EXPR_VARIABLE; |
| 4090 | gfc_conv_expr (&comp_se, e2); |
| 4091 | e2->expr_type = old_type; |
| 4092 | gfc_free_expr (e2); |
| 4093 | return build_fold_addr_expr_loc (input_location, comp_se.expr); |
| 4094 | } |
| 4095 | |
| 4096 | |
| 4097 | /* Convert a typebound function reference from a class object. */ |
| 4098 | static void |
| 4099 | conv_base_obj_fcn_val (gfc_se * se, tree base_object, gfc_expr * expr) |
| 4100 | { |
| 4101 | gfc_ref *ref; |
| 4102 | tree var; |
| 4103 | |
| 4104 | if (!VAR_P (base_object)(((enum tree_code) (base_object)->base.code) == VAR_DECL)) |
| 4105 | { |
| 4106 | var = gfc_create_var (TREE_TYPE (base_object)((contains_struct_check ((base_object), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4106, __FUNCTION__))->typed.type), NULL__null); |
| 4107 | gfc_add_modify (&se->pre, var, base_object); |
| 4108 | } |
| 4109 | se->expr = gfc_class_vptr_get (base_object); |
| 4110 | se->expr = build_fold_indirect_ref_loc (input_location, se->expr); |
| 4111 | ref = expr->ref; |
| 4112 | while (ref && ref->next) |
| 4113 | ref = ref->next; |
| 4114 | gcc_assert (ref && ref->type == REF_COMPONENT)((void)(!(ref && ref->type == REF_COMPONENT) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4114, __FUNCTION__), 0 : 0)); |
| 4115 | if (ref->u.c.sym->attr.extension) |
| 4116 | conv_parent_component_references (se, ref); |
| 4117 | gfc_conv_component_ref (se, ref); |
| 4118 | se->expr = build_fold_addr_expr_loc (input_location, se->expr); |
| 4119 | } |
| 4120 | |
| 4121 | |
| 4122 | static void |
| 4123 | conv_function_val (gfc_se * se, gfc_symbol * sym, gfc_expr * expr, |
| 4124 | gfc_actual_arglist *actual_args) |
| 4125 | { |
| 4126 | tree tmp; |
| 4127 | |
| 4128 | if (gfc_is_proc_ptr_comp (expr)) |
| 4129 | tmp = get_proc_ptr_comp (expr); |
| 4130 | else if (sym->attr.dummy) |
| 4131 | { |
| 4132 | tmp = gfc_get_symbol_decl (sym); |
| 4133 | if (sym->attr.proc_pointer) |
| 4134 | tmp = build_fold_indirect_ref_loc (input_location, |
| 4135 | tmp); |
| 4136 | gcc_assert (TREE_CODE (TREE_TYPE (tmp)) == POINTER_TYPE((void)(!(((enum tree_code) (((contains_struct_check ((tmp), ( TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4136, __FUNCTION__))->typed.type))->base.code) == POINTER_TYPE && ((enum tree_code) (((contains_struct_check ((((contains_struct_check ((tmp), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4137, __FUNCTION__))->typed.type)), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4137, __FUNCTION__))->typed.type))->base.code) == FUNCTION_TYPE ) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4137, __FUNCTION__), 0 : 0)) |
| 4137 | && TREE_CODE (TREE_TYPE (TREE_TYPE (tmp))) == FUNCTION_TYPE)((void)(!(((enum tree_code) (((contains_struct_check ((tmp), ( TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4136, __FUNCTION__))->typed.type))->base.code) == POINTER_TYPE && ((enum tree_code) (((contains_struct_check ((((contains_struct_check ((tmp), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4137, __FUNCTION__))->typed.type)), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4137, __FUNCTION__))->typed.type))->base.code) == FUNCTION_TYPE ) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4137, __FUNCTION__), 0 : 0)); |
| 4138 | } |
| 4139 | else |
| 4140 | { |
| 4141 | if (!sym->backend_decl) |
| 4142 | sym->backend_decl = gfc_get_extern_function_decl (sym, actual_args); |
| 4143 | |
| 4144 | TREE_USED (sym->backend_decl)((sym->backend_decl)->base.used_flag) = 1; |
| 4145 | |
| 4146 | tmp = sym->backend_decl; |
| 4147 | |
| 4148 | if (sym->attr.cray_pointee) |
| 4149 | { |
| 4150 | /* TODO - make the cray pointee a pointer to a procedure, |
| 4151 | assign the pointer to it and use it for the call. This |
| 4152 | will do for now! */ |
| 4153 | tmp = convert (build_pointer_type (TREE_TYPE (tmp)((contains_struct_check ((tmp), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4153, __FUNCTION__))->typed.type)), |
| 4154 | gfc_get_symbol_decl (sym->cp_pointer)); |
| 4155 | tmp = gfc_evaluate_now (tmp, &se->pre); |
| 4156 | } |
| 4157 | |
| 4158 | if (!POINTER_TYPE_P (TREE_TYPE (tmp))(((enum tree_code) (((contains_struct_check ((tmp), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4158, __FUNCTION__))->typed.type))->base.code) == POINTER_TYPE || ((enum tree_code) (((contains_struct_check ((tmp), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4158, __FUNCTION__))->typed.type))->base.code) == REFERENCE_TYPE )) |
| 4159 | { |
| 4160 | gcc_assert (TREE_CODE (tmp) == FUNCTION_DECL)((void)(!(((enum tree_code) (tmp)->base.code) == FUNCTION_DECL ) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4160, __FUNCTION__), 0 : 0)); |
| 4161 | tmp = gfc_build_addr_expr (NULL_TREE(tree) __null, tmp); |
| 4162 | } |
| 4163 | } |
| 4164 | se->expr = tmp; |
| 4165 | } |
| 4166 | |
| 4167 | |
| 4168 | /* Initialize MAPPING. */ |
| 4169 | |
| 4170 | void |
| 4171 | gfc_init_interface_mapping (gfc_interface_mapping * mapping) |
| 4172 | { |
| 4173 | mapping->syms = NULL__null; |
| 4174 | mapping->charlens = NULL__null; |
| 4175 | } |
| 4176 | |
| 4177 | |
| 4178 | /* Free all memory held by MAPPING (but not MAPPING itself). */ |
| 4179 | |
| 4180 | void |
| 4181 | gfc_free_interface_mapping (gfc_interface_mapping * mapping) |
| 4182 | { |
| 4183 | gfc_interface_sym_mapping *sym; |
| 4184 | gfc_interface_sym_mapping *nextsym; |
| 4185 | gfc_charlen *cl; |
| 4186 | gfc_charlen *nextcl; |
| 4187 | |
| 4188 | for (sym = mapping->syms; sym; sym = nextsym) |
| 4189 | { |
| 4190 | nextsym = sym->next; |
| 4191 | sym->new_sym->n.sym->formal = NULL__null; |
| 4192 | gfc_free_symbol (sym->new_sym->n.sym); |
| 4193 | gfc_free_expr (sym->expr); |
| 4194 | free (sym->new_sym); |
| 4195 | free (sym); |
| 4196 | } |
| 4197 | for (cl = mapping->charlens; cl; cl = nextcl) |
| 4198 | { |
| 4199 | nextcl = cl->next; |
| 4200 | gfc_free_expr (cl->length); |
| 4201 | free (cl); |
| 4202 | } |
| 4203 | } |
| 4204 | |
| 4205 | |
| 4206 | /* Return a copy of gfc_charlen CL. Add the returned structure to |
| 4207 | MAPPING so that it will be freed by gfc_free_interface_mapping. */ |
| 4208 | |
| 4209 | static gfc_charlen * |
| 4210 | gfc_get_interface_mapping_charlen (gfc_interface_mapping * mapping, |
| 4211 | gfc_charlen * cl) |
| 4212 | { |
| 4213 | gfc_charlen *new_charlen; |
| 4214 | |
| 4215 | new_charlen = gfc_get_charlen ()((gfc_charlen *) xcalloc (1, sizeof (gfc_charlen))); |
| 4216 | new_charlen->next = mapping->charlens; |
| 4217 | new_charlen->length = gfc_copy_expr (cl->length); |
| 4218 | |
| 4219 | mapping->charlens = new_charlen; |
| 4220 | return new_charlen; |
| 4221 | } |
| 4222 | |
| 4223 | |
| 4224 | /* A subroutine of gfc_add_interface_mapping. Return a descriptorless |
| 4225 | array variable that can be used as the actual argument for dummy |
| 4226 | argument SYM. Add any initialization code to BLOCK. PACKED is as |
| 4227 | for gfc_get_nodesc_array_type and DATA points to the first element |
| 4228 | in the passed array. */ |
| 4229 | |
| 4230 | static tree |
| 4231 | gfc_get_interface_mapping_array (stmtblock_t * block, gfc_symbol * sym, |
| 4232 | gfc_packed packed, tree data) |
| 4233 | { |
| 4234 | tree type; |
| 4235 | tree var; |
| 4236 | |
| 4237 | type = gfc_typenode_for_spec (&sym->ts); |
| 4238 | type = gfc_get_nodesc_array_type (type, sym->as, packed, |
| 4239 | !sym->attr.target && !sym->attr.pointer |
| 4240 | && !sym->attr.proc_pointer); |
| 4241 | |
| 4242 | var = gfc_create_var (type, "ifm"); |
| 4243 | gfc_add_modify (block, var, fold_convert (type, data)fold_convert_loc (((location_t) 0), type, data)); |
| 4244 | |
| 4245 | return var; |
| 4246 | } |
| 4247 | |
| 4248 | |
| 4249 | /* A subroutine of gfc_add_interface_mapping. Set the stride, upper bounds |
| 4250 | and offset of descriptorless array type TYPE given that it has the same |
| 4251 | size as DESC. Add any set-up code to BLOCK. */ |
| 4252 | |
| 4253 | static void |
| 4254 | gfc_set_interface_mapping_bounds (stmtblock_t * block, tree type, tree desc) |
| 4255 | { |
| 4256 | int n; |
| 4257 | tree dim; |
| 4258 | tree offset; |
| 4259 | tree tmp; |
| 4260 | |
| 4261 | offset = gfc_index_zero_nodegfc_rank_cst[0]; |
| 4262 | for (n = 0; n < GFC_TYPE_ARRAY_RANK (type)(((tree_class_check ((type), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4262, __FUNCTION__))->type_with_lang_specific.lang_specific )->rank); n++) |
| 4263 | { |
| 4264 | dim = gfc_rank_cst[n]; |
| 4265 | GFC_TYPE_ARRAY_STRIDE (type, n)(((tree_class_check ((type), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4265, __FUNCTION__))->type_with_lang_specific.lang_specific )->stride[n]) = gfc_conv_array_stride (desc, n); |
| 4266 | if (GFC_TYPE_ARRAY_LBOUND (type, n)(((tree_class_check ((type), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4266, __FUNCTION__))->type_with_lang_specific.lang_specific )->lbound[n]) == NULL_TREE(tree) __null) |
| 4267 | { |
| 4268 | GFC_TYPE_ARRAY_LBOUND (type, n)(((tree_class_check ((type), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4268, __FUNCTION__))->type_with_lang_specific.lang_specific )->lbound[n]) |
| 4269 | = gfc_conv_descriptor_lbound_get (desc, dim); |
| 4270 | GFC_TYPE_ARRAY_UBOUND (type, n)(((tree_class_check ((type), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4270, __FUNCTION__))->type_with_lang_specific.lang_specific )->ubound[n]) |
| 4271 | = gfc_conv_descriptor_ubound_get (desc, dim); |
| 4272 | } |
| 4273 | else if (GFC_TYPE_ARRAY_UBOUND (type, n)(((tree_class_check ((type), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4273, __FUNCTION__))->type_with_lang_specific.lang_specific )->ubound[n]) == NULL_TREE(tree) __null) |
| 4274 | { |
| 4275 | tmp = fold_build2_loc (input_location, MINUS_EXPR, |
| 4276 | gfc_array_index_type, |
| 4277 | gfc_conv_descriptor_ubound_get (desc, dim), |
| 4278 | gfc_conv_descriptor_lbound_get (desc, dim)); |
| 4279 | tmp = fold_build2_loc (input_location, PLUS_EXPR, |
| 4280 | gfc_array_index_type, |
| 4281 | GFC_TYPE_ARRAY_LBOUND (type, n)(((tree_class_check ((type), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4281, __FUNCTION__))->type_with_lang_specific.lang_specific )->lbound[n]), tmp); |
| 4282 | tmp = gfc_evaluate_now (tmp, block); |
| 4283 | GFC_TYPE_ARRAY_UBOUND (type, n)(((tree_class_check ((type), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4283, __FUNCTION__))->type_with_lang_specific.lang_specific )->ubound[n]) = tmp; |
| 4284 | } |
| 4285 | tmp = fold_build2_loc (input_location, MULT_EXPR, gfc_array_index_type, |
| 4286 | GFC_TYPE_ARRAY_LBOUND (type, n)(((tree_class_check ((type), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4286, __FUNCTION__))->type_with_lang_specific.lang_specific )->lbound[n]), |
| 4287 | GFC_TYPE_ARRAY_STRIDE (type, n)(((tree_class_check ((type), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4287, __FUNCTION__))->type_with_lang_specific.lang_specific )->stride[n])); |
| 4288 | offset = fold_build2_loc (input_location, MINUS_EXPR, |
| 4289 | gfc_array_index_type, offset, tmp); |
| 4290 | } |
| 4291 | offset = gfc_evaluate_now (offset, block); |
| 4292 | GFC_TYPE_ARRAY_OFFSET (type)(((tree_class_check ((type), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4292, __FUNCTION__))->type_with_lang_specific.lang_specific )->offset) = offset; |
| 4293 | } |
| 4294 | |
| 4295 | |
| 4296 | /* Extend MAPPING so that it maps dummy argument SYM to the value stored |
| 4297 | in SE. The caller may still use se->expr and se->string_length after |
| 4298 | calling this function. */ |
| 4299 | |
| 4300 | void |
| 4301 | gfc_add_interface_mapping (gfc_interface_mapping * mapping, |
| 4302 | gfc_symbol * sym, gfc_se * se, |
| 4303 | gfc_expr *expr) |
| 4304 | { |
| 4305 | gfc_interface_sym_mapping *sm; |
| 4306 | tree desc; |
| 4307 | tree tmp; |
| 4308 | tree value; |
| 4309 | gfc_symbol *new_sym; |
| 4310 | gfc_symtree *root; |
| 4311 | gfc_symtree *new_symtree; |
| 4312 | |
| 4313 | /* Create a new symbol to represent the actual argument. */ |
| 4314 | new_sym = gfc_new_symbol (sym->name, NULL__null); |
| 4315 | new_sym->ts = sym->ts; |
| 4316 | new_sym->as = gfc_copy_array_spec (sym->as); |
| 4317 | new_sym->attr.referenced = 1; |
| 4318 | new_sym->attr.dimension = sym->attr.dimension; |
| 4319 | new_sym->attr.contiguous = sym->attr.contiguous; |
| 4320 | new_sym->attr.codimension = sym->attr.codimension; |
| 4321 | new_sym->attr.pointer = sym->attr.pointer; |
| 4322 | new_sym->attr.allocatable = sym->attr.allocatable; |
| 4323 | new_sym->attr.flavor = sym->attr.flavor; |
| 4324 | new_sym->attr.function = sym->attr.function; |
| 4325 | |
| 4326 | /* Ensure that the interface is available and that |
| 4327 | descriptors are passed for array actual arguments. */ |
| 4328 | if (sym->attr.flavor == FL_PROCEDURE) |
| 4329 | { |
| 4330 | new_sym->formal = expr->symtree->n.sym->formal; |
| 4331 | new_sym->attr.always_explicit |
| 4332 | = expr->symtree->n.sym->attr.always_explicit; |
| 4333 | } |
| 4334 | |
| 4335 | /* Create a fake symtree for it. */ |
| 4336 | root = NULL__null; |
| 4337 | new_symtree = gfc_new_symtree (&root, sym->name); |
| 4338 | new_symtree->n.sym = new_sym; |
| 4339 | gcc_assert (new_symtree == root)((void)(!(new_symtree == root) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4339, __FUNCTION__), 0 : 0)); |
| 4340 | |
| 4341 | /* Create a dummy->actual mapping. */ |
| 4342 | sm = XCNEW (gfc_interface_sym_mapping)((gfc_interface_sym_mapping *) xcalloc (1, sizeof (gfc_interface_sym_mapping ))); |
| 4343 | sm->next = mapping->syms; |
| 4344 | sm->old = sym; |
| 4345 | sm->new_sym = new_symtree; |
| 4346 | sm->expr = gfc_copy_expr (expr); |
| 4347 | mapping->syms = sm; |
| 4348 | |
| 4349 | /* Stabilize the argument's value. */ |
| 4350 | if (!sym->attr.function && se) |
| 4351 | se->expr = gfc_evaluate_now (se->expr, &se->pre); |
| 4352 | |
| 4353 | if (sym->ts.type == BT_CHARACTER) |
| 4354 | { |
| 4355 | /* Create a copy of the dummy argument's length. */ |
| 4356 | new_sym->ts.u.cl = gfc_get_interface_mapping_charlen (mapping, sym->ts.u.cl); |
| 4357 | sm->expr->ts.u.cl = new_sym->ts.u.cl; |
| 4358 | |
| 4359 | /* If the length is specified as "*", record the length that |
| 4360 | the caller is passing. We should use the callee's length |
| 4361 | in all other cases. */ |
| 4362 | if (!new_sym->ts.u.cl->length && se) |
| 4363 | { |
| 4364 | se->string_length = gfc_evaluate_now (se->string_length, &se->pre); |
| 4365 | new_sym->ts.u.cl->backend_decl = se->string_length; |
| 4366 | } |
| 4367 | } |
| 4368 | |
| 4369 | if (!se) |
| 4370 | return; |
| 4371 | |
| 4372 | /* Use the passed value as-is if the argument is a function. */ |
| 4373 | if (sym->attr.flavor == FL_PROCEDURE) |
| 4374 | value = se->expr; |
| 4375 | |
| 4376 | /* If the argument is a pass-by-value scalar, use the value as is. */ |
| 4377 | else if (!sym->attr.dimension && sym->attr.value) |
| 4378 | value = se->expr; |
| 4379 | |
| 4380 | /* If the argument is either a string or a pointer to a string, |
| 4381 | convert it to a boundless character type. */ |
| 4382 | else if (!sym->attr.dimension && sym->ts.type == BT_CHARACTER) |
| 4383 | { |
| 4384 | tmp = gfc_get_character_type_len (sym->ts.kind, NULL__null); |
| 4385 | tmp = build_pointer_type (tmp); |
| 4386 | if (sym->attr.pointer) |
| 4387 | value = build_fold_indirect_ref_loc (input_location, |
| 4388 | se->expr); |
| 4389 | else |
| 4390 | value = se->expr; |
| 4391 | value = fold_convert (tmp, value)fold_convert_loc (((location_t) 0), tmp, value); |
| 4392 | } |
| 4393 | |
| 4394 | /* If the argument is a scalar, a pointer to an array or an allocatable, |
| 4395 | dereference it. */ |
| 4396 | else if (!sym->attr.dimension || sym->attr.pointer || sym->attr.allocatable) |
| 4397 | value = build_fold_indirect_ref_loc (input_location, |
| 4398 | se->expr); |
| 4399 | |
| 4400 | /* For character(*), use the actual argument's descriptor. */ |
| 4401 | else if (sym->ts.type == BT_CHARACTER && !new_sym->ts.u.cl->length) |
| 4402 | value = build_fold_indirect_ref_loc (input_location, |
| 4403 | se->expr); |
| 4404 | |
| 4405 | /* If the argument is an array descriptor, use it to determine |
| 4406 | information about the actual argument's shape. */ |
| 4407 | else if (POINTER_TYPE_P (TREE_TYPE (se->expr))(((enum tree_code) (((contains_struct_check ((se->expr), ( TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4407, __FUNCTION__))->typed.type))->base.code) == POINTER_TYPE || ((enum tree_code) (((contains_struct_check ((se->expr) , (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4407, __FUNCTION__))->typed.type))->base.code) == REFERENCE_TYPE ) |
| 4408 | && GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (TREE_TYPE (se->expr)))((tree_class_check ((((contains_struct_check ((((contains_struct_check ((se->expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4408, __FUNCTION__))->typed.type)), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4408, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4408, __FUNCTION__))->type_common.lang_flag_1)) |
| 4409 | { |
| 4410 | /* Get the actual argument's descriptor. */ |
| 4411 | desc = build_fold_indirect_ref_loc (input_location, |
| 4412 | se->expr); |
| 4413 | |
| 4414 | /* Create the replacement variable. */ |
| 4415 | tmp = gfc_conv_descriptor_data_get (desc); |
| 4416 | value = gfc_get_interface_mapping_array (&se->pre, sym, |
| 4417 | PACKED_NO, tmp); |
| 4418 | |
| 4419 | /* Use DESC to work out the upper bounds, strides and offset. */ |
| 4420 | gfc_set_interface_mapping_bounds (&se->pre, TREE_TYPE (value)((contains_struct_check ((value), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4420, __FUNCTION__))->typed.type), desc); |
| 4421 | } |
| 4422 | else |
| 4423 | /* Otherwise we have a packed array. */ |
| 4424 | value = gfc_get_interface_mapping_array (&se->pre, sym, |
| 4425 | PACKED_FULL, se->expr); |
| 4426 | |
| 4427 | new_sym->backend_decl = value; |
| 4428 | } |
| 4429 | |
| 4430 | |
| 4431 | /* Called once all dummy argument mappings have been added to MAPPING, |
| 4432 | but before the mapping is used to evaluate expressions. Pre-evaluate |
| 4433 | the length of each argument, adding any initialization code to PRE and |
| 4434 | any finalization code to POST. */ |
| 4435 | |
| 4436 | void |
| 4437 | gfc_finish_interface_mapping (gfc_interface_mapping * mapping, |
| 4438 | stmtblock_t * pre, stmtblock_t * post) |
| 4439 | { |
| 4440 | gfc_interface_sym_mapping *sym; |
| 4441 | gfc_expr *expr; |
| 4442 | gfc_se se; |
| 4443 | |
| 4444 | for (sym = mapping->syms; sym; sym = sym->next) |
| 4445 | if (sym->new_sym->n.sym->ts.type == BT_CHARACTER |
| 4446 | && !sym->new_sym->n.sym->ts.u.cl->backend_decl) |
| 4447 | { |
| 4448 | expr = sym->new_sym->n.sym->ts.u.cl->length; |
| 4449 | gfc_apply_interface_mapping_to_expr (mapping, expr); |
| 4450 | gfc_init_se (&se, NULL__null); |
| 4451 | gfc_conv_expr (&se, expr); |
| 4452 | se.expr = fold_convert (gfc_charlen_type_node, se.expr)fold_convert_loc (((location_t) 0), gfc_charlen_type_node, se .expr); |
| 4453 | se.expr = gfc_evaluate_now (se.expr, &se.pre); |
| 4454 | gfc_add_block_to_block (pre, &se.pre); |
| 4455 | gfc_add_block_to_block (post, &se.post); |
| 4456 | |
| 4457 | sym->new_sym->n.sym->ts.u.cl->backend_decl = se.expr; |
| 4458 | } |
| 4459 | } |
| 4460 | |
| 4461 | |
| 4462 | /* Like gfc_apply_interface_mapping_to_expr, but applied to |
| 4463 | constructor C. */ |
| 4464 | |
| 4465 | static void |
| 4466 | gfc_apply_interface_mapping_to_cons (gfc_interface_mapping * mapping, |
| 4467 | gfc_constructor_base base) |
| 4468 | { |
| 4469 | gfc_constructor *c; |
| 4470 | for (c = gfc_constructor_first (base); c; c = gfc_constructor_next (c)) |
| 4471 | { |
| 4472 | gfc_apply_interface_mapping_to_expr (mapping, c->expr); |
| 4473 | if (c->iterator) |
| 4474 | { |
| 4475 | gfc_apply_interface_mapping_to_expr (mapping, c->iterator->start); |
| 4476 | gfc_apply_interface_mapping_to_expr (mapping, c->iterator->end); |
| 4477 | gfc_apply_interface_mapping_to_expr (mapping, c->iterator->step); |
| 4478 | } |
| 4479 | } |
| 4480 | } |
| 4481 | |
| 4482 | |
| 4483 | /* Like gfc_apply_interface_mapping_to_expr, but applied to |
| 4484 | reference REF. */ |
| 4485 | |
| 4486 | static void |
| 4487 | gfc_apply_interface_mapping_to_ref (gfc_interface_mapping * mapping, |
| 4488 | gfc_ref * ref) |
| 4489 | { |
| 4490 | int n; |
| 4491 | |
| 4492 | for (; ref; ref = ref->next) |
| 4493 | switch (ref->type) |
| 4494 | { |
| 4495 | case REF_ARRAY: |
| 4496 | for (n = 0; n < ref->u.ar.dimen; n++) |
| 4497 | { |
| 4498 | gfc_apply_interface_mapping_to_expr (mapping, ref->u.ar.start[n]); |
| 4499 | gfc_apply_interface_mapping_to_expr (mapping, ref->u.ar.end[n]); |
| 4500 | gfc_apply_interface_mapping_to_expr (mapping, ref->u.ar.stride[n]); |
| 4501 | } |
| 4502 | break; |
| 4503 | |
| 4504 | case REF_COMPONENT: |
| 4505 | case REF_INQUIRY: |
| 4506 | break; |
| 4507 | |
| 4508 | case REF_SUBSTRING: |
| 4509 | gfc_apply_interface_mapping_to_expr (mapping, ref->u.ss.start); |
| 4510 | gfc_apply_interface_mapping_to_expr (mapping, ref->u.ss.end); |
| 4511 | break; |
| 4512 | } |
| 4513 | } |
| 4514 | |
| 4515 | |
| 4516 | /* Convert intrinsic function calls into result expressions. */ |
| 4517 | |
| 4518 | static bool |
| 4519 | gfc_map_intrinsic_function (gfc_expr *expr, gfc_interface_mapping *mapping) |
| 4520 | { |
| 4521 | gfc_symbol *sym; |
| 4522 | gfc_expr *new_expr; |
| 4523 | gfc_expr *arg1; |
| 4524 | gfc_expr *arg2; |
| 4525 | int d, dup; |
| 4526 | |
| 4527 | arg1 = expr->value.function.actual->expr; |
| 4528 | if (expr->value.function.actual->next) |
| 4529 | arg2 = expr->value.function.actual->next->expr; |
| 4530 | else |
| 4531 | arg2 = NULL__null; |
| 4532 | |
| 4533 | sym = arg1->symtree->n.sym; |
| 4534 | |
| 4535 | if (sym->attr.dummy) |
| 4536 | return false; |
| 4537 | |
| 4538 | new_expr = NULL__null; |
| 4539 | |
| 4540 | switch (expr->value.function.isym->id) |
| 4541 | { |
| 4542 | case GFC_ISYM_LEN: |
| 4543 | /* TODO figure out why this condition is necessary. */ |
| 4544 | if (sym->attr.function |
| 4545 | && (arg1->ts.u.cl->length == NULL__null |
| 4546 | || (arg1->ts.u.cl->length->expr_type != EXPR_CONSTANT |
| 4547 | && arg1->ts.u.cl->length->expr_type != EXPR_VARIABLE))) |
| 4548 | return false; |
| 4549 | |
| 4550 | new_expr = gfc_copy_expr (arg1->ts.u.cl->length); |
| 4551 | break; |
| 4552 | |
| 4553 | case GFC_ISYM_LEN_TRIM: |
| 4554 | new_expr = gfc_copy_expr (arg1); |
| 4555 | gfc_apply_interface_mapping_to_expr (mapping, new_expr); |
| 4556 | |
| 4557 | if (!new_expr) |
| 4558 | return false; |
| 4559 | |
| 4560 | gfc_replace_expr (arg1, new_expr); |
| 4561 | return true; |
| 4562 | |
| 4563 | case GFC_ISYM_SIZE: |
| 4564 | if (!sym->as || sym->as->rank == 0) |
| 4565 | return false; |
| 4566 | |
| 4567 | if (arg2 && arg2->expr_type == EXPR_CONSTANT) |
| 4568 | { |
| 4569 | dup = mpz_get_si__gmpz_get_si (arg2->value.integer); |
| 4570 | d = dup - 1; |
| 4571 | } |
| 4572 | else |
| 4573 | { |
| 4574 | dup = sym->as->rank; |
| 4575 | d = 0; |
| 4576 | } |
| 4577 | |
| 4578 | for (; d < dup; d++) |
| 4579 | { |
| 4580 | gfc_expr *tmp; |
| 4581 | |
| 4582 | if (!sym->as->upper[d] || !sym->as->lower[d]) |
| 4583 | { |
| 4584 | gfc_free_expr (new_expr); |
| 4585 | return false; |
| 4586 | } |
| 4587 | |
| 4588 | tmp = gfc_add (gfc_copy_expr (sym->as->upper[d]), |
| 4589 | gfc_get_int_expr (gfc_default_integer_kind, |
| 4590 | NULL__null, 1)); |
| 4591 | tmp = gfc_subtract (tmp, gfc_copy_expr (sym->as->lower[d])); |
| 4592 | if (new_expr) |
| 4593 | new_expr = gfc_multiply (new_expr, tmp); |
| 4594 | else |
| 4595 | new_expr = tmp; |
| 4596 | } |
| 4597 | break; |
| 4598 | |
| 4599 | case GFC_ISYM_LBOUND: |
| 4600 | case GFC_ISYM_UBOUND: |
| 4601 | /* TODO These implementations of lbound and ubound do not limit if |
| 4602 | the size < 0, according to F95's 13.14.53 and 13.14.113. */ |
| 4603 | |
| 4604 | if (!sym->as || sym->as->rank == 0) |
| 4605 | return false; |
| 4606 | |
| 4607 | if (arg2 && arg2->expr_type == EXPR_CONSTANT) |
| 4608 | d = mpz_get_si__gmpz_get_si (arg2->value.integer) - 1; |
| 4609 | else |
| 4610 | return false; |
| 4611 | |
| 4612 | if (expr->value.function.isym->id == GFC_ISYM_LBOUND) |
| 4613 | { |
| 4614 | if (sym->as->lower[d]) |
| 4615 | new_expr = gfc_copy_expr (sym->as->lower[d]); |
| 4616 | } |
| 4617 | else |
| 4618 | { |
| 4619 | if (sym->as->upper[d]) |
| 4620 | new_expr = gfc_copy_expr (sym->as->upper[d]); |
| 4621 | } |
| 4622 | break; |
| 4623 | |
| 4624 | default: |
| 4625 | break; |
| 4626 | } |
| 4627 | |
| 4628 | gfc_apply_interface_mapping_to_expr (mapping, new_expr); |
| 4629 | if (!new_expr) |
| 4630 | return false; |
| 4631 | |
| 4632 | gfc_replace_expr (expr, new_expr); |
| 4633 | return true; |
| 4634 | } |
| 4635 | |
| 4636 | |
| 4637 | static void |
| 4638 | gfc_map_fcn_formal_to_actual (gfc_expr *expr, gfc_expr *map_expr, |
| 4639 | gfc_interface_mapping * mapping) |
| 4640 | { |
| 4641 | gfc_formal_arglist *f; |
| 4642 | gfc_actual_arglist *actual; |
| 4643 | |
| 4644 | actual = expr->value.function.actual; |
| 4645 | f = gfc_sym_get_dummy_args (map_expr->symtree->n.sym); |
| 4646 | |
| 4647 | for (; f && actual; f = f->next, actual = actual->next) |
| 4648 | { |
| 4649 | if (!actual->expr) |
| 4650 | continue; |
| 4651 | |
| 4652 | gfc_add_interface_mapping (mapping, f->sym, NULL__null, actual->expr); |
| 4653 | } |
| 4654 | |
| 4655 | if (map_expr->symtree->n.sym->attr.dimension) |
| 4656 | { |
| 4657 | int d; |
| 4658 | gfc_array_spec *as; |
| 4659 | |
| 4660 | as = gfc_copy_array_spec (map_expr->symtree->n.sym->as); |
| 4661 | |
| 4662 | for (d = 0; d < as->rank; d++) |
| 4663 | { |
| 4664 | gfc_apply_interface_mapping_to_expr (mapping, as->lower[d]); |
| 4665 | gfc_apply_interface_mapping_to_expr (mapping, as->upper[d]); |
| 4666 | } |
| 4667 | |
| 4668 | expr->value.function.esym->as = as; |
| 4669 | } |
| 4670 | |
| 4671 | if (map_expr->symtree->n.sym->ts.type == BT_CHARACTER) |
| 4672 | { |
| 4673 | expr->value.function.esym->ts.u.cl->length |
| 4674 | = gfc_copy_expr (map_expr->symtree->n.sym->ts.u.cl->length); |
| 4675 | |
| 4676 | gfc_apply_interface_mapping_to_expr (mapping, |
| 4677 | expr->value.function.esym->ts.u.cl->length); |
| 4678 | } |
| 4679 | } |
| 4680 | |
| 4681 | |
| 4682 | /* EXPR is a copy of an expression that appeared in the interface |
| 4683 | associated with MAPPING. Walk it recursively looking for references to |
| 4684 | dummy arguments that MAPPING maps to actual arguments. Replace each such |
| 4685 | reference with a reference to the associated actual argument. */ |
| 4686 | |
| 4687 | static void |
| 4688 | gfc_apply_interface_mapping_to_expr (gfc_interface_mapping * mapping, |
| 4689 | gfc_expr * expr) |
| 4690 | { |
| 4691 | gfc_interface_sym_mapping *sym; |
| 4692 | gfc_actual_arglist *actual; |
| 4693 | |
| 4694 | if (!expr) |
| 4695 | return; |
| 4696 | |
| 4697 | /* Copying an expression does not copy its length, so do that here. */ |
| 4698 | if (expr->ts.type == BT_CHARACTER && expr->ts.u.cl) |
| 4699 | { |
| 4700 | expr->ts.u.cl = gfc_get_interface_mapping_charlen (mapping, expr->ts.u.cl); |
| 4701 | gfc_apply_interface_mapping_to_expr (mapping, expr->ts.u.cl->length); |
| 4702 | } |
| 4703 | |
| 4704 | /* Apply the mapping to any references. */ |
| 4705 | gfc_apply_interface_mapping_to_ref (mapping, expr->ref); |
| 4706 | |
| 4707 | /* ...and to the expression's symbol, if it has one. */ |
| 4708 | /* TODO Find out why the condition on expr->symtree had to be moved into |
| 4709 | the loop rather than being outside it, as originally. */ |
| 4710 | for (sym = mapping->syms; sym; sym = sym->next) |
| 4711 | if (expr->symtree && sym->old == expr->symtree->n.sym) |
| 4712 | { |
| 4713 | if (sym->new_sym->n.sym->backend_decl) |
| 4714 | expr->symtree = sym->new_sym; |
| 4715 | else if (sym->expr) |
| 4716 | gfc_replace_expr (expr, gfc_copy_expr (sym->expr)); |
| 4717 | } |
| 4718 | |
| 4719 | /* ...and to subexpressions in expr->value. */ |
| 4720 | switch (expr->expr_type) |
| 4721 | { |
| 4722 | case EXPR_VARIABLE: |
| 4723 | case EXPR_CONSTANT: |
| 4724 | case EXPR_NULL: |
| 4725 | case EXPR_SUBSTRING: |
| 4726 | break; |
| 4727 | |
| 4728 | case EXPR_OP: |
| 4729 | gfc_apply_interface_mapping_to_expr (mapping, expr->value.op.op1); |
| 4730 | gfc_apply_interface_mapping_to_expr (mapping, expr->value.op.op2); |
| 4731 | break; |
| 4732 | |
| 4733 | case EXPR_FUNCTION: |
| 4734 | for (actual = expr->value.function.actual; actual; actual = actual->next) |
| 4735 | gfc_apply_interface_mapping_to_expr (mapping, actual->expr); |
| 4736 | |
| 4737 | if (expr->value.function.esym == NULL__null |
| 4738 | && expr->value.function.isym != NULL__null |
| 4739 | && expr->value.function.actual |
| 4740 | && expr->value.function.actual->expr |
| 4741 | && expr->value.function.actual->expr->symtree |
| 4742 | && gfc_map_intrinsic_function (expr, mapping)) |
| 4743 | break; |
| 4744 | |
| 4745 | for (sym = mapping->syms; sym; sym = sym->next) |
| 4746 | if (sym->old == expr->value.function.esym) |
| 4747 | { |
| 4748 | expr->value.function.esym = sym->new_sym->n.sym; |
| 4749 | gfc_map_fcn_formal_to_actual (expr, sym->expr, mapping); |
| 4750 | expr->value.function.esym->result = sym->new_sym->n.sym; |
| 4751 | } |
| 4752 | break; |
| 4753 | |
| 4754 | case EXPR_ARRAY: |
| 4755 | case EXPR_STRUCTURE: |
| 4756 | gfc_apply_interface_mapping_to_cons (mapping, expr->value.constructor); |
| 4757 | break; |
| 4758 | |
| 4759 | case EXPR_COMPCALL: |
| 4760 | case EXPR_PPC: |
| 4761 | case EXPR_UNKNOWN: |
| 4762 | gcc_unreachable ()(fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4762, __FUNCTION__)); |
| 4763 | break; |
| 4764 | } |
| 4765 | |
| 4766 | return; |
| 4767 | } |
| 4768 | |
| 4769 | |
| 4770 | /* Evaluate interface expression EXPR using MAPPING. Store the result |
| 4771 | in SE. */ |
| 4772 | |
| 4773 | void |
| 4774 | gfc_apply_interface_mapping (gfc_interface_mapping * mapping, |
| 4775 | gfc_se * se, gfc_expr * expr) |
| 4776 | { |
| 4777 | expr = gfc_copy_expr (expr); |
| 4778 | gfc_apply_interface_mapping_to_expr (mapping, expr); |
| 4779 | gfc_conv_expr (se, expr); |
| 4780 | se->expr = gfc_evaluate_now (se->expr, &se->pre); |
| 4781 | gfc_free_expr (expr); |
| 4782 | } |
| 4783 | |
| 4784 | |
| 4785 | /* Returns a reference to a temporary array into which a component of |
| 4786 | an actual argument derived type array is copied and then returned |
| 4787 | after the function call. */ |
| 4788 | void |
| 4789 | gfc_conv_subref_array_arg (gfc_se *se, gfc_expr * expr, int g77, |
| 4790 | sym_intent intent, bool formal_ptr, |
| 4791 | const gfc_symbol *fsym, const char *proc_name, |
| 4792 | gfc_symbol *sym, bool check_contiguous) |
| 4793 | { |
| 4794 | gfc_se lse; |
| 4795 | gfc_se rse; |
| 4796 | gfc_ss *lss; |
| 4797 | gfc_ss *rss; |
| 4798 | gfc_loopinfo loop; |
| 4799 | gfc_loopinfo loop2; |
| 4800 | gfc_array_info *info; |
| 4801 | tree offset; |
| 4802 | tree tmp_index; |
| 4803 | tree tmp; |
| 4804 | tree base_type; |
| 4805 | tree size; |
| 4806 | stmtblock_t body; |
| 4807 | int n; |
| 4808 | int dimen; |
| 4809 | gfc_se work_se; |
| 4810 | gfc_se *parmse; |
| 4811 | bool pass_optional; |
| 4812 | |
| 4813 | pass_optional = fsym && fsym->attr.optional && sym && sym->attr.optional; |
| 4814 | |
| 4815 | if (pass_optional || check_contiguous) |
| 4816 | { |
| 4817 | gfc_init_se (&work_se, NULL__null); |
| 4818 | parmse = &work_se; |
| 4819 | } |
| 4820 | else |
| 4821 | parmse = se; |
| 4822 | |
| 4823 | if (gfc_option.rtcheck & GFC_RTCHECK_ARRAY_TEMPS(1<<1)) |
| 4824 | { |
| 4825 | /* We will create a temporary array, so let us warn. */ |
| 4826 | char * msg; |
| 4827 | |
| 4828 | if (fsym && proc_name) |
| 4829 | msg = xasprintf ("An array temporary was created for argument " |
| 4830 | "'%s' of procedure '%s'", fsym->name, proc_name); |
| 4831 | else |
| 4832 | msg = xasprintf ("An array temporary was created"); |
| 4833 | |
| 4834 | tmp = build_int_cst (logical_type_node, 1); |
| 4835 | gfc_trans_runtime_check (false, true, tmp, &parmse->pre, |
| 4836 | &expr->where, msg); |
| 4837 | free (msg); |
| 4838 | } |
| 4839 | |
| 4840 | gfc_init_se (&lse, NULL__null); |
| 4841 | gfc_init_se (&rse, NULL__null); |
| 4842 | |
| 4843 | /* Walk the argument expression. */ |
| 4844 | rss = gfc_walk_expr (expr); |
| 4845 | |
| 4846 | gcc_assert (rss != gfc_ss_terminator)((void)(!(rss != gfc_ss_terminator) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4846, __FUNCTION__), 0 : 0)); |
| 4847 | |
| 4848 | /* Initialize the scalarizer. */ |
| 4849 | gfc_init_loopinfo (&loop); |
| 4850 | gfc_add_ss_to_loop (&loop, rss); |
| 4851 | |
| 4852 | /* Calculate the bounds of the scalarization. */ |
| 4853 | gfc_conv_ss_startstride (&loop); |
| 4854 | |
| 4855 | /* Build an ss for the temporary. */ |
| 4856 | if (expr->ts.type == BT_CHARACTER && !expr->ts.u.cl->backend_decl) |
| 4857 | gfc_conv_string_length (expr->ts.u.cl, expr, &parmse->pre); |
| 4858 | |
| 4859 | base_type = gfc_typenode_for_spec (&expr->ts); |
| 4860 | if (GFC_ARRAY_TYPE_P (base_type)((tree_class_check ((base_type), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4860, __FUNCTION__))->type_common.lang_flag_2) |
| 4861 | || GFC_DESCRIPTOR_TYPE_P (base_type)((tree_class_check ((base_type), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4861, __FUNCTION__))->type_common.lang_flag_1)) |
| 4862 | base_type = gfc_get_element_type (base_type); |
| 4863 | |
| 4864 | if (expr->ts.type == BT_CLASS) |
| 4865 | base_type = gfc_typenode_for_spec (&CLASS_DATA (expr)expr->ts.u.derived->components->ts); |
| 4866 | |
| 4867 | loop.temp_ss = gfc_get_temp_ss (base_type, ((expr->ts.type == BT_CHARACTER) |
| 4868 | ? expr->ts.u.cl->backend_decl |
| 4869 | : NULL__null), |
| 4870 | loop.dimen); |
| 4871 | |
| 4872 | parmse->string_length = loop.temp_ss->info->string_length; |
| 4873 | |
| 4874 | /* Associate the SS with the loop. */ |
| 4875 | gfc_add_ss_to_loop (&loop, loop.temp_ss); |
| 4876 | |
| 4877 | /* Setup the scalarizing loops. */ |
| 4878 | gfc_conv_loop_setup (&loop, &expr->where); |
| 4879 | |
| 4880 | /* Pass the temporary descriptor back to the caller. */ |
| 4881 | info = &loop.temp_ss->info->data.array; |
| 4882 | parmse->expr = info->descriptor; |
| 4883 | |
| 4884 | /* Setup the gfc_se structures. */ |
| 4885 | gfc_copy_loopinfo_to_se (&lse, &loop); |
| 4886 | gfc_copy_loopinfo_to_se (&rse, &loop); |
| 4887 | |
| 4888 | rse.ss = rss; |
| 4889 | lse.ss = loop.temp_ss; |
| 4890 | gfc_mark_ss_chain_used (rss, 1); |
| 4891 | gfc_mark_ss_chain_used (loop.temp_ss, 1); |
| 4892 | |
| 4893 | /* Start the scalarized loop body. */ |
| 4894 | gfc_start_scalarized_body (&loop, &body); |
| 4895 | |
| 4896 | /* Translate the expression. */ |
| 4897 | gfc_conv_expr (&rse, expr); |
| 4898 | |
| 4899 | /* Reset the offset for the function call since the loop |
| 4900 | is zero based on the data pointer. Note that the temp |
| 4901 | comes first in the loop chain since it is added second. */ |
| 4902 | if (gfc_is_class_array_function (expr)) |
| 4903 | { |
| 4904 | tmp = loop.ss->loop_chain->info->data.array.descriptor; |
| 4905 | gfc_conv_descriptor_offset_set (&loop.pre, tmp, |
| 4906 | gfc_index_zero_nodegfc_rank_cst[0]); |
| 4907 | } |
| 4908 | |
| 4909 | gfc_conv_tmp_array_ref (&lse); |
| 4910 | |
| 4911 | if (intent != INTENT_OUT) |
| 4912 | { |
| 4913 | tmp = gfc_trans_scalar_assign (&lse, &rse, expr->ts, false, false); |
| 4914 | gfc_add_expr_to_block (&body, tmp); |
| 4915 | gcc_assert (rse.ss == gfc_ss_terminator)((void)(!(rse.ss == gfc_ss_terminator) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 4915, __FUNCTION__), 0 : 0)); |
| 4916 | gfc_trans_scalarizing_loops (&loop, &body); |
| 4917 | } |
| 4918 | else |
| 4919 | { |
| 4920 | /* Make sure that the temporary declaration survives by merging |
| 4921 | all the loop declarations into the current context. */ |
| 4922 | for (n = 0; n < loop.dimen; n++) |
| 4923 | { |
| 4924 | gfc_merge_block_scope (&body); |
| 4925 | body = loop.code[loop.order[n]]; |
| 4926 | } |
| 4927 | gfc_merge_block_scope (&body); |
| 4928 | } |
| 4929 | |
| 4930 | /* Add the post block after the second loop, so that any |
| 4931 | freeing of allocated memory is done at the right time. */ |
| 4932 | gfc_add_block_to_block (&parmse->pre, &loop.pre); |
| 4933 | |
| 4934 | /**********Copy the temporary back again.*********/ |
| 4935 | |
| 4936 | gfc_init_se (&lse, NULL__null); |
| 4937 | gfc_init_se (&rse, NULL__null); |
| 4938 | |
| 4939 | /* Walk the argument expression. */ |
| 4940 | lss = gfc_walk_expr (expr); |
| 4941 | rse.ss = loop.temp_ss; |
| 4942 | lse.ss = lss; |
| 4943 | |
| 4944 | /* Initialize the scalarizer. */ |
| 4945 | gfc_init_loopinfo (&loop2); |
| 4946 | gfc_add_ss_to_loop (&loop2, lss); |
| 4947 | |
| 4948 | dimen = rse.ss->dimen; |
| 4949 | |
| 4950 | /* Skip the write-out loop for this case. */ |
| 4951 | if (gfc_is_class_array_function (expr)) |
| 4952 | goto class_array_fcn; |
| 4953 | |
| 4954 | /* Calculate the bounds of the scalarization. */ |
| 4955 | gfc_conv_ss_startstride (&loop2); |
| 4956 | |
| 4957 | /* Setup the scalarizing loops. */ |
| 4958 | gfc_conv_loop_setup (&loop2, &expr->where); |
| 4959 | |
| 4960 | gfc_copy_loopinfo_to_se (&lse, &loop2); |
| 4961 | gfc_copy_loopinfo_to_se (&rse, &loop2); |
| 4962 | |
| 4963 | gfc_mark_ss_chain_used (lss, 1); |
| 4964 | gfc_mark_ss_chain_used (loop.temp_ss, 1); |
| 4965 | |
| 4966 | /* Declare the variable to hold the temporary offset and start the |
| 4967 | scalarized loop body. */ |
| 4968 | offset = gfc_create_var (gfc_array_index_type, NULL__null); |
| 4969 | gfc_start_scalarized_body (&loop2, &body); |
| 4970 | |
| 4971 | /* Build the offsets for the temporary from the loop variables. The |
| 4972 | temporary array has lbounds of zero and strides of one in all |
| 4973 | dimensions, so this is very simple. The offset is only computed |
| 4974 | outside the innermost loop, so the overall transfer could be |
| 4975 | optimized further. */ |
| 4976 | info = &rse.ss->info->data.array; |
| 4977 | |
| 4978 | tmp_index = gfc_index_zero_nodegfc_rank_cst[0]; |
| 4979 | for (n = dimen - 1; n > 0; n--) |
| 4980 | { |
| 4981 | tree tmp_str; |
| 4982 | tmp = rse.loop->loopvar[n]; |
| 4983 | tmp = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type, |
| 4984 | tmp, rse.loop->from[n]); |
| 4985 | tmp = fold_build2_loc (input_location, PLUS_EXPR, gfc_array_index_type, |
| 4986 | tmp, tmp_index); |
| 4987 | |
| 4988 | tmp_str = fold_build2_loc (input_location, MINUS_EXPR, |
| 4989 | gfc_array_index_type, |
| 4990 | rse.loop->to[n-1], rse.loop->from[n-1]); |
| 4991 | tmp_str = fold_build2_loc (input_location, PLUS_EXPR, |
| 4992 | gfc_array_index_type, |
| 4993 | tmp_str, gfc_index_one_nodegfc_rank_cst[1]); |
| 4994 | |
| 4995 | tmp_index = fold_build2_loc (input_location, MULT_EXPR, |
| 4996 | gfc_array_index_type, tmp, tmp_str); |
| 4997 | } |
| 4998 | |
| 4999 | tmp_index = fold_build2_loc (input_location, MINUS_EXPR, |
| 5000 | gfc_array_index_type, |
| 5001 | tmp_index, rse.loop->from[0]); |
| 5002 | gfc_add_modify (&rse.loop->code[0], offset, tmp_index); |
| 5003 | |
| 5004 | tmp_index = fold_build2_loc (input_location, PLUS_EXPR, |
| 5005 | gfc_array_index_type, |
| 5006 | rse.loop->loopvar[0], offset); |
| 5007 | |
| 5008 | /* Now use the offset for the reference. */ |
| 5009 | tmp = build_fold_indirect_ref_loc (input_location, |
| 5010 | info->data); |
| 5011 | rse.expr = gfc_build_array_ref (tmp, tmp_index, NULL__null); |
| 5012 | |
| 5013 | if (expr->ts.type == BT_CHARACTER) |
| 5014 | rse.string_length = expr->ts.u.cl->backend_decl; |
| 5015 | |
| 5016 | gfc_conv_expr (&lse, expr); |
| 5017 | |
| 5018 | gcc_assert (lse.ss == gfc_ss_terminator)((void)(!(lse.ss == gfc_ss_terminator) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 5018, __FUNCTION__), 0 : 0)); |
| 5019 | |
| 5020 | tmp = gfc_trans_scalar_assign (&lse, &rse, expr->ts, false, true); |
| 5021 | gfc_add_expr_to_block (&body, tmp); |
| 5022 | |
| 5023 | /* Generate the copying loops. */ |
| 5024 | gfc_trans_scalarizing_loops (&loop2, &body); |
| 5025 | |
| 5026 | /* Wrap the whole thing up by adding the second loop to the post-block |
| 5027 | and following it by the post-block of the first loop. In this way, |
| 5028 | if the temporary needs freeing, it is done after use! */ |
| 5029 | if (intent != INTENT_IN) |
| 5030 | { |
| 5031 | gfc_add_block_to_block (&parmse->post, &loop2.pre); |
| 5032 | gfc_add_block_to_block (&parmse->post, &loop2.post); |
| 5033 | } |
| 5034 | |
| 5035 | class_array_fcn: |
| 5036 | |
| 5037 | gfc_add_block_to_block (&parmse->post, &loop.post); |
| 5038 | |
| 5039 | gfc_cleanup_loop (&loop); |
| 5040 | gfc_cleanup_loop (&loop2); |
| 5041 | |
| 5042 | /* Pass the string length to the argument expression. */ |
| 5043 | if (expr->ts.type == BT_CHARACTER) |
| 5044 | parmse->string_length = expr->ts.u.cl->backend_decl; |
| 5045 | |
| 5046 | /* Determine the offset for pointer formal arguments and set the |
| 5047 | lbounds to one. */ |
| 5048 | if (formal_ptr) |
| 5049 | { |
| 5050 | size = gfc_index_one_nodegfc_rank_cst[1]; |
| 5051 | offset = gfc_index_zero_nodegfc_rank_cst[0]; |
| 5052 | for (n = 0; n < dimen; n++) |
| 5053 | { |
| 5054 | tmp = gfc_conv_descriptor_ubound_get (parmse->expr, |
| 5055 | gfc_rank_cst[n]); |
| 5056 | tmp = fold_build2_loc (input_location, PLUS_EXPR, |
| 5057 | gfc_array_index_type, tmp, |
| 5058 | gfc_index_one_nodegfc_rank_cst[1]); |
| 5059 | gfc_conv_descriptor_ubound_set (&parmse->pre, |
| 5060 | parmse->expr, |
| 5061 | gfc_rank_cst[n], |
| 5062 | tmp); |
| 5063 | gfc_conv_descriptor_lbound_set (&parmse->pre, |
| 5064 | parmse->expr, |
| 5065 | gfc_rank_cst[n], |
| 5066 | gfc_index_one_nodegfc_rank_cst[1]); |
| 5067 | size = gfc_evaluate_now (size, &parmse->pre); |
| 5068 | offset = fold_build2_loc (input_location, MINUS_EXPR, |
| 5069 | gfc_array_index_type, |
| 5070 | offset, size); |
| 5071 | offset = gfc_evaluate_now (offset, &parmse->pre); |
| 5072 | tmp = fold_build2_loc (input_location, MINUS_EXPR, |
| 5073 | gfc_array_index_type, |
| 5074 | rse.loop->to[n], rse.loop->from[n]); |
| 5075 | tmp = fold_build2_loc (input_location, PLUS_EXPR, |
| 5076 | gfc_array_index_type, |
| 5077 | tmp, gfc_index_one_nodegfc_rank_cst[1]); |
| 5078 | size = fold_build2_loc (input_location, MULT_EXPR, |
| 5079 | gfc_array_index_type, size, tmp); |
| 5080 | } |
| 5081 | |
| 5082 | gfc_conv_descriptor_offset_set (&parmse->pre, parmse->expr, |
| 5083 | offset); |
| 5084 | } |
| 5085 | |
| 5086 | /* We want either the address for the data or the address of the descriptor, |
| 5087 | depending on the mode of passing array arguments. */ |
| 5088 | if (g77) |
| 5089 | parmse->expr = gfc_conv_descriptor_data_get (parmse->expr); |
| 5090 | else |
| 5091 | parmse->expr = gfc_build_addr_expr (NULL_TREE(tree) __null, parmse->expr); |
| 5092 | |
| 5093 | /* Basically make this into |
| 5094 | |
| 5095 | if (present) |
| 5096 | { |
| 5097 | if (contiguous) |
| 5098 | { |
| 5099 | pointer = a; |
| 5100 | } |
| 5101 | else |
| 5102 | { |
| 5103 | parmse->pre(); |
| 5104 | pointer = parmse->expr; |
| 5105 | } |
| 5106 | } |
| 5107 | else |
| 5108 | pointer = NULL; |
| 5109 | |
| 5110 | foo (pointer); |
| 5111 | if (present && !contiguous) |
| 5112 | se->post(); |
| 5113 | |
| 5114 | */ |
| 5115 | |
| 5116 | if (pass_optional || check_contiguous) |
| 5117 | { |
| 5118 | tree type; |
| 5119 | stmtblock_t else_block; |
| 5120 | tree pre_stmts, post_stmts; |
| 5121 | tree pointer; |
| 5122 | tree else_stmt; |
| 5123 | tree present_var = NULL_TREE(tree) __null; |
| 5124 | tree cont_var = NULL_TREE(tree) __null; |
| 5125 | tree post_cond; |
| 5126 | |
| 5127 | type = TREE_TYPE (parmse->expr)((contains_struct_check ((parmse->expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 5127, __FUNCTION__))->typed.type); |
| 5128 | pointer = gfc_create_var (type, "arg_ptr"); |
| 5129 | |
| 5130 | if (check_contiguous) |
| 5131 | { |
| 5132 | gfc_se cont_se, array_se; |
| 5133 | stmtblock_t if_block, else_block; |
| 5134 | tree if_stmt, else_stmt; |
| 5135 | mpz_t size; |
| 5136 | bool size_set; |
| 5137 | |
| 5138 | cont_var = gfc_create_var (boolean_type_nodeglobal_trees[TI_BOOLEAN_TYPE], "contiguous"); |
| 5139 | |
| 5140 | /* If the size is known to be one at compile-time, set |
| 5141 | cont_var to true unconditionally. This may look |
| 5142 | inelegant, but we're only doing this during |
| 5143 | optimization, so the statements will be optimized away, |
| 5144 | and this saves complexity here. */ |
| 5145 | |
| 5146 | size_set = gfc_array_size (expr, &size); |
| 5147 | if (size_set && mpz_cmp_ui (size, 1)(__builtin_constant_p (1) && (1) == 0 ? ((size)->_mp_size < 0 ? -1 : (size)->_mp_size > 0) : __gmpz_cmp_ui (size ,1)) == 0) |
| 5148 | { |
| 5149 | gfc_add_modify (&se->pre, cont_var, |
| 5150 | build_one_cst (boolean_type_nodeglobal_trees[TI_BOOLEAN_TYPE])); |
| 5151 | } |
| 5152 | else |
| 5153 | { |
| 5154 | /* cont_var = is_contiguous (expr); . */ |
| 5155 | gfc_init_se (&cont_se, parmse); |
| 5156 | gfc_conv_is_contiguous_expr (&cont_se, expr); |
| 5157 | gfc_add_block_to_block (&se->pre, &(&cont_se)->pre); |
| 5158 | gfc_add_modify (&se->pre, cont_var, cont_se.expr); |
| 5159 | gfc_add_block_to_block (&se->pre, &(&cont_se)->post); |
| 5160 | } |
| 5161 | |
| 5162 | if (size_set) |
| 5163 | mpz_clear__gmpz_clear (size); |
| 5164 | |
| 5165 | /* arrayse->expr = descriptor of a. */ |
| 5166 | gfc_init_se (&array_se, se); |
| 5167 | gfc_conv_expr_descriptor (&array_se, expr); |
| 5168 | gfc_add_block_to_block (&se->pre, &(&array_se)->pre); |
| 5169 | gfc_add_block_to_block (&se->pre, &(&array_se)->post); |
| 5170 | |
| 5171 | /* if_stmt = { pointer = &a[0]; } . */ |
| 5172 | gfc_init_block (&if_block); |
| 5173 | tmp = gfc_conv_array_data (array_se.expr); |
| 5174 | tmp = fold_convert (type, tmp)fold_convert_loc (((location_t) 0), type, tmp); |
| 5175 | gfc_add_modify (&if_block, pointer, tmp); |
| 5176 | if_stmt = gfc_finish_block (&if_block); |
| 5177 | |
| 5178 | /* else_stmt = { parmse->pre(); pointer = parmse->expr; } . */ |
| 5179 | gfc_init_block (&else_block); |
| 5180 | gfc_add_block_to_block (&else_block, &parmse->pre); |
| 5181 | gfc_add_modify (&else_block, pointer, parmse->expr); |
| 5182 | else_stmt = gfc_finish_block (&else_block); |
| 5183 | |
| 5184 | /* And put the above into an if statement. */ |
| 5185 | pre_stmts = fold_build3_loc (input_location, COND_EXPR, void_type_nodeglobal_trees[TI_VOID_TYPE], |
| 5186 | gfc_likely (cont_var, |
| 5187 | PRED_FORTRAN_CONTIGUOUS), |
| 5188 | if_stmt, else_stmt); |
| 5189 | } |
| 5190 | else |
| 5191 | { |
| 5192 | /* pointer = pramse->expr; . */ |
| 5193 | gfc_add_modify (&parmse->pre, pointer, parmse->expr); |
| 5194 | pre_stmts = gfc_finish_block (&parmse->pre); |
| 5195 | } |
| 5196 | |
| 5197 | if (pass_optional) |
| 5198 | { |
| 5199 | present_var = gfc_create_var (boolean_type_nodeglobal_trees[TI_BOOLEAN_TYPE], "present"); |
| 5200 | |
| 5201 | /* present_var = present(sym); . */ |
| 5202 | tmp = gfc_conv_expr_present (sym); |
| 5203 | tmp = fold_convert (boolean_type_node, tmp)fold_convert_loc (((location_t) 0), global_trees[TI_BOOLEAN_TYPE ], tmp); |
| 5204 | gfc_add_modify (&se->pre, present_var, tmp); |
| 5205 | |
| 5206 | /* else_stmt = { pointer = NULL; } . */ |
| 5207 | gfc_init_block (&else_block); |
| 5208 | gfc_add_modify (&else_block, pointer, build_int_cst (type, 0)); |
| 5209 | else_stmt = gfc_finish_block (&else_block); |
| 5210 | |
| 5211 | tmp = fold_build3_loc (input_location, COND_EXPR, void_type_nodeglobal_trees[TI_VOID_TYPE], |
| 5212 | gfc_likely (present_var, |
| 5213 | PRED_FORTRAN_ABSENT_DUMMY), |
| 5214 | pre_stmts, else_stmt); |
| 5215 | gfc_add_expr_to_block (&se->pre, tmp); |
| 5216 | } |
| 5217 | else |
| 5218 | gfc_add_expr_to_block (&se->pre, pre_stmts); |
| 5219 | |
| 5220 | post_stmts = gfc_finish_block (&parmse->post); |
| 5221 | |
| 5222 | /* Put together the post stuff, plus the optional |
| 5223 | deallocation. */ |
| 5224 | if (check_contiguous) |
| 5225 | { |
| 5226 | /* !cont_var. */ |
| 5227 | tmp = fold_build2_loc (input_location, EQ_EXPR, boolean_type_nodeglobal_trees[TI_BOOLEAN_TYPE], |
| 5228 | cont_var, |
| 5229 | build_zero_cst (boolean_type_nodeglobal_trees[TI_BOOLEAN_TYPE])); |
| 5230 | tmp = gfc_unlikely (tmp, PRED_FORTRAN_CONTIGUOUS); |
| 5231 | |
| 5232 | if (pass_optional) |
| 5233 | { |
| 5234 | tree present_likely = gfc_likely (present_var, |
| 5235 | PRED_FORTRAN_ABSENT_DUMMY); |
| 5236 | post_cond = fold_build2_loc (input_location, TRUTH_ANDIF_EXPR, |
| 5237 | boolean_type_nodeglobal_trees[TI_BOOLEAN_TYPE], present_likely, |
| 5238 | tmp); |
| 5239 | } |
| 5240 | else |
| 5241 | post_cond = tmp; |
| 5242 | } |
| 5243 | else |
| 5244 | { |
| 5245 | gcc_assert (pass_optional)((void)(!(pass_optional) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 5245, __FUNCTION__), 0 : 0)); |
| 5246 | post_cond = present_var; |
| 5247 | } |
| 5248 | |
| 5249 | tmp = fold_build3_loc (input_location, COND_EXPR, void_type_nodeglobal_trees[TI_VOID_TYPE], post_cond, |
| 5250 | post_stmts, build_empty_stmt (input_location)); |
| 5251 | gfc_add_expr_to_block (&se->post, tmp); |
| 5252 | se->expr = pointer; |
| 5253 | } |
| 5254 | |
| 5255 | return; |
| 5256 | } |
| 5257 | |
| 5258 | |
| 5259 | /* Generate the code for argument list functions. */ |
| 5260 | |
| 5261 | static void |
| 5262 | conv_arglist_function (gfc_se *se, gfc_expr *expr, const char *name) |
| 5263 | { |
| 5264 | /* Pass by value for g77 %VAL(arg), pass the address |
| 5265 | indirectly for %LOC, else by reference. Thus %REF |
| 5266 | is a "do-nothing" and %LOC is the same as an F95 |
| 5267 | pointer. */ |
| 5268 | if (strcmp (name, "%VAL") == 0) |
| 5269 | gfc_conv_expr (se, expr); |
| 5270 | else if (strcmp (name, "%LOC") == 0) |
| 5271 | { |
| 5272 | gfc_conv_expr_reference (se, expr); |
| 5273 | se->expr = gfc_build_addr_expr (NULL__null, se->expr); |
| 5274 | } |
| 5275 | else if (strcmp (name, "%REF") == 0) |
| 5276 | gfc_conv_expr_reference (se, expr); |
| 5277 | else |
| 5278 | gfc_error ("Unknown argument list function at %L", &expr->where); |
| 5279 | } |
| 5280 | |
| 5281 | |
| 5282 | /* This function tells whether the middle-end representation of the expression |
| 5283 | E given as input may point to data otherwise accessible through a variable |
| 5284 | (sub-)reference. |
| 5285 | It is assumed that the only expressions that may alias are variables, |
| 5286 | and array constructors if ARRAY_MAY_ALIAS is true and some of its elements |
| 5287 | may alias. |
| 5288 | This function is used to decide whether freeing an expression's allocatable |
| 5289 | components is safe or should be avoided. |
| 5290 | |
| 5291 | If ARRAY_MAY_ALIAS is true, an array constructor may alias if some of |
| 5292 | its elements are copied from a variable. This ARRAY_MAY_ALIAS trick |
| 5293 | is necessary because for array constructors, aliasing depends on how |
| 5294 | the array is used: |
| 5295 | - If E is an array constructor used as argument to an elemental procedure, |
| 5296 | the array, which is generated through shallow copy by the scalarizer, |
| 5297 | is used directly and can alias the expressions it was copied from. |
| 5298 | - If E is an array constructor used as argument to a non-elemental |
| 5299 | procedure,the scalarizer is used in gfc_conv_expr_descriptor to generate |
| 5300 | the array as in the previous case, but then that array is used |
| 5301 | to initialize a new descriptor through deep copy. There is no alias |
| 5302 | possible in that case. |
| 5303 | Thus, the ARRAY_MAY_ALIAS flag is necessary to distinguish the two cases |
| 5304 | above. */ |
| 5305 | |
| 5306 | static bool |
| 5307 | expr_may_alias_variables (gfc_expr *e, bool array_may_alias) |
| 5308 | { |
| 5309 | gfc_constructor *c; |
| 5310 | |
| 5311 | if (e->expr_type == EXPR_VARIABLE) |
| 5312 | return true; |
| 5313 | else if (e->expr_type == EXPR_FUNCTION) |
| 5314 | { |
| 5315 | gfc_symbol *proc_ifc = gfc_get_proc_ifc_for_expr (e); |
| 5316 | |
| 5317 | if (proc_ifc->result != NULL__null |
| 5318 | && ((proc_ifc->result->ts.type == BT_CLASS |
| 5319 | && proc_ifc->result->ts.u.derived->attr.is_class |
| 5320 | && CLASS_DATA (proc_ifc->result)proc_ifc->result->ts.u.derived->components->attr.class_pointer) |
| 5321 | || proc_ifc->result->attr.pointer)) |
| 5322 | return true; |
| 5323 | else |
| 5324 | return false; |
| 5325 | } |
| 5326 | else if (e->expr_type != EXPR_ARRAY || !array_may_alias) |
| 5327 | return false; |
| 5328 | |
| 5329 | for (c = gfc_constructor_first (e->value.constructor); |
| 5330 | c; c = gfc_constructor_next (c)) |
| 5331 | if (c->expr |
| 5332 | && expr_may_alias_variables (c->expr, array_may_alias)) |
| 5333 | return true; |
| 5334 | |
| 5335 | return false; |
| 5336 | } |
| 5337 | |
| 5338 | |
| 5339 | /* A helper function to set the dtype for unallocated or unassociated |
| 5340 | entities. */ |
| 5341 | |
| 5342 | static void |
| 5343 | set_dtype_for_unallocated (gfc_se *parmse, gfc_expr *e) |
| 5344 | { |
| 5345 | tree tmp; |
| 5346 | tree desc; |
| 5347 | tree cond; |
| 5348 | tree type; |
| 5349 | stmtblock_t block; |
| 5350 | |
| 5351 | /* TODO Figure out how to handle optional dummies. */ |
| 5352 | if (e && e->expr_type == EXPR_VARIABLE |
| 5353 | && e->symtree->n.sym->attr.optional) |
| 5354 | return; |
| 5355 | |
| 5356 | desc = parmse->expr; |
| 5357 | if (desc == NULL_TREE(tree) __null) |
| 5358 | return; |
| 5359 | |
| 5360 | if (POINTER_TYPE_P (TREE_TYPE (desc))(((enum tree_code) (((contains_struct_check ((desc), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 5360, __FUNCTION__))->typed.type))->base.code) == POINTER_TYPE || ((enum tree_code) (((contains_struct_check ((desc), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 5360, __FUNCTION__))->typed.type))->base.code) == REFERENCE_TYPE )) |
| 5361 | desc = build_fold_indirect_ref_loc (input_location, desc); |
| 5362 | |
| 5363 | if (!GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (desc))((tree_class_check ((((contains_struct_check ((desc), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 5363, __FUNCTION__))->typed.type)), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 5363, __FUNCTION__))->type_common.lang_flag_1)) |
| 5364 | return; |
| 5365 | |
| 5366 | gfc_init_block (&block); |
| 5367 | tmp = gfc_conv_descriptor_data_get (desc); |
| 5368 | cond = fold_build2_loc (input_location, EQ_EXPR, |
| 5369 | logical_type_node, tmp, |
| 5370 | build_int_cst (TREE_TYPE (tmp)((contains_struct_check ((tmp), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 5370, __FUNCTION__))->typed.type), 0)); |
| 5371 | tmp = gfc_conv_descriptor_dtype (desc); |
| 5372 | type = gfc_get_element_type (TREE_TYPE (desc)((contains_struct_check ((desc), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 5372, __FUNCTION__))->typed.type)); |
| 5373 | tmp = fold_build2_loc (input_location, MODIFY_EXPR, |
| 5374 | TREE_TYPE (tmp)((contains_struct_check ((tmp), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 5374, __FUNCTION__))->typed.type), tmp, |
| 5375 | gfc_get_dtype_rank_type (e->rank, type)); |
| 5376 | gfc_add_expr_to_block (&block, tmp); |
| 5377 | cond = build3_v (COND_EXPR, cond,fold_build3_loc (input_location, COND_EXPR, global_trees[TI_VOID_TYPE ], cond, gfc_finish_block (&block), build_empty_stmt (input_location )) |
| 5378 | gfc_finish_block (&block),fold_build3_loc (input_location, COND_EXPR, global_trees[TI_VOID_TYPE ], cond, gfc_finish_block (&block), build_empty_stmt (input_location )) |
| 5379 | build_empty_stmt (input_location))fold_build3_loc (input_location, COND_EXPR, global_trees[TI_VOID_TYPE ], cond, gfc_finish_block (&block), build_empty_stmt (input_location )); |
| 5380 | gfc_add_expr_to_block (&parmse->pre, cond); |
| 5381 | } |
| 5382 | |
| 5383 | |
| 5384 | |
| 5385 | /* Provide an interface between gfortran array descriptors and the F2018:18.4 |
| 5386 | ISO_Fortran_binding array descriptors. */ |
| 5387 | |
| 5388 | static void |
| 5389 | gfc_conv_gfc_desc_to_cfi_desc (gfc_se *parmse, gfc_expr *e, gfc_symbol *fsym) |
| 5390 | { |
| 5391 | tree tmp; |
| 5392 | tree cfi_desc_ptr; |
| 5393 | tree gfc_desc_ptr; |
| 5394 | tree type; |
| 5395 | tree cond; |
| 5396 | tree desc_attr; |
| 5397 | int attribute; |
| 5398 | int cfi_attribute; |
| 5399 | symbol_attribute attr = gfc_expr_attr (e); |
| 5400 | |
| 5401 | /* If this is a full array or a scalar, the allocatable and pointer |
| 5402 | attributes can be passed. Otherwise it is 'CFI_attribute_other'*/ |
| 5403 | attribute = 2; |
| 5404 | if (!e->rank || gfc_get_full_arrayspec_from_expr (e)) |
| 5405 | { |
| 5406 | if (attr.pointer) |
| 5407 | attribute = 0; |
| 5408 | else if (attr.allocatable) |
| 5409 | attribute = 1; |
| 5410 | } |
| 5411 | |
| 5412 | /* If the formal argument is assumed shape and neither a pointer nor |
| 5413 | allocatable, it is unconditionally CFI_attribute_other. */ |
| 5414 | if (fsym->as->type == AS_ASSUMED_SHAPE |
| 5415 | && !fsym->attr.pointer && !fsym->attr.allocatable) |
| 5416 | cfi_attribute = 2; |
| 5417 | else |
| 5418 | cfi_attribute = attribute; |
| 5419 | |
| 5420 | if (e->rank != 0) |
| 5421 | { |
| 5422 | parmse->force_no_tmp = 1; |
| 5423 | if (fsym->attr.contiguous |
| 5424 | && !gfc_is_simply_contiguous (e, false, true)) |
| 5425 | gfc_conv_subref_array_arg (parmse, e, false, fsym->attr.intent, |
| 5426 | fsym->attr.pointer); |
| 5427 | else |
| 5428 | gfc_conv_expr_descriptor (parmse, e); |
| 5429 | |
| 5430 | if (POINTER_TYPE_P (TREE_TYPE (parmse->expr))(((enum tree_code) (((contains_struct_check ((parmse->expr ), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 5430, __FUNCTION__))->typed.type))->base.code) == POINTER_TYPE || ((enum tree_code) (((contains_struct_check ((parmse->expr ), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 5430, __FUNCTION__))->typed.type))->base.code) == REFERENCE_TYPE )) |
| 5431 | parmse->expr = build_fold_indirect_ref_loc (input_location, |
| 5432 | parmse->expr); |
| 5433 | bool is_artificial = (INDIRECT_REF_P (parmse->expr)(((enum tree_code) (parmse->expr)->base.code) == INDIRECT_REF ) |
| 5434 | ? DECL_ARTIFICIAL (TREE_OPERAND (parmse->expr, 0))((contains_struct_check (((*((const_cast<tree*> (tree_operand_check ((parmse->expr), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 5434, __FUNCTION__)))))), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 5434, __FUNCTION__))->decl_common.artificial_flag) |
| 5435 | : DECL_ARTIFICIAL (parmse->expr)((contains_struct_check ((parmse->expr), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 5435, __FUNCTION__))->decl_common.artificial_flag)); |
| 5436 | |
| 5437 | /* Unallocated allocatable arrays and unassociated pointer arrays |
| 5438 | need their dtype setting if they are argument associated with |
| 5439 | assumed rank dummies. */ |
| 5440 | if (fsym && fsym->as |
| 5441 | && (gfc_expr_attr (e).pointer |
| 5442 | || gfc_expr_attr (e).allocatable)) |
| 5443 | set_dtype_for_unallocated (parmse, e); |
| 5444 | |
| 5445 | /* All the temporary descriptors are marked as DECL_ARTIFICIAL. If |
| 5446 | the expression type is different from the descriptor type, then |
| 5447 | the offset must be found (eg. to a component ref or substring) |
| 5448 | and the dtype updated. Assumed type entities are only allowed |
| 5449 | to be dummies in Fortran. They therefore lack the decl specific |
| 5450 | appendiges and so must be treated differently from other fortran |
| 5451 | entities passed to CFI descriptors in the interface decl. */ |
| 5452 | type = e->ts.type != BT_ASSUMED ? gfc_typenode_for_spec (&e->ts) : |
| 5453 | NULL_TREE(tree) __null; |
| 5454 | |
| 5455 | if (type && is_artificial |
| 5456 | && type != gfc_get_element_type (TREE_TYPE (parmse->expr)((contains_struct_check ((parmse->expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 5456, __FUNCTION__))->typed.type))) |
| 5457 | { |
| 5458 | /* Obtain the offset to the data. */ |
| 5459 | gfc_get_dataptr_offset (&parmse->pre, parmse->expr, parmse->expr, |
| 5460 | gfc_index_zero_nodegfc_rank_cst[0], true, e); |
| 5461 | |
| 5462 | /* Update the dtype. */ |
| 5463 | gfc_add_modify (&parmse->pre, |
| 5464 | gfc_conv_descriptor_dtype (parmse->expr), |
| 5465 | gfc_get_dtype_rank_type (e->rank, type)); |
| 5466 | } |
| 5467 | else if (type == NULL_TREE(tree) __null |
| 5468 | || (!is_subref_array (e) && !is_artificial)) |
| 5469 | { |
| 5470 | /* Make sure that the span is set for expressions where it |
| 5471 | might not have been done already. */ |
| 5472 | tmp = gfc_conv_descriptor_elem_len (parmse->expr); |
| 5473 | tmp = fold_convert (gfc_array_index_type, tmp)fold_convert_loc (((location_t) 0), gfc_array_index_type, tmp ); |
| 5474 | gfc_conv_descriptor_span_set (&parmse->pre, parmse->expr, tmp); |
| 5475 | } |
| 5476 | } |
| 5477 | else |
| 5478 | { |
| 5479 | gfc_conv_expr (parmse, e); |
| 5480 | |
| 5481 | if (POINTER_TYPE_P (TREE_TYPE (parmse->expr))(((enum tree_code) (((contains_struct_check ((parmse->expr ), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 5481, __FUNCTION__))->typed.type))->base.code) == POINTER_TYPE || ((enum tree_code) (((contains_struct_check ((parmse->expr ), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 5481, __FUNCTION__))->typed.type))->base.code) == REFERENCE_TYPE )) |
| 5482 | parmse->expr = build_fold_indirect_ref_loc (input_location, |
| 5483 | parmse->expr); |
| 5484 | |
| 5485 | parmse->expr = gfc_conv_scalar_to_descriptor (parmse, |
| 5486 | parmse->expr, attr); |
| 5487 | } |
| 5488 | |
| 5489 | /* Set the CFI attribute field through a temporary value for the |
| 5490 | gfc attribute. */ |
| 5491 | desc_attr = gfc_conv_descriptor_attribute (parmse->expr); |
| 5492 | tmp = fold_build2_loc (input_location, MODIFY_EXPR, |
| 5493 | void_type_nodeglobal_trees[TI_VOID_TYPE], desc_attr, |
| 5494 | build_int_cst (TREE_TYPE (desc_attr)((contains_struct_check ((desc_attr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 5494, __FUNCTION__))->typed.type), cfi_attribute)); |
| 5495 | gfc_add_expr_to_block (&parmse->pre, tmp); |
| 5496 | |
| 5497 | /* Now pass the gfc_descriptor by reference. */ |
| 5498 | parmse->expr = gfc_build_addr_expr (NULL_TREE(tree) __null, parmse->expr); |
| 5499 | |
| 5500 | /* Variables to point to the gfc and CFI descriptors; cfi = NULL implies |
| 5501 | that the CFI descriptor is allocated by the gfor_fndecl_gfc_to_cfi call. */ |
| 5502 | gfc_desc_ptr = parmse->expr; |
| 5503 | cfi_desc_ptr = gfc_create_var (pvoid_type_node, "cfi"); |
| 5504 | gfc_add_modify (&parmse->pre, cfi_desc_ptr, null_pointer_nodeglobal_trees[TI_NULL_POINTER]); |
| 5505 | |
| 5506 | /* Allocate the CFI descriptor itself and fill the fields. */ |
| 5507 | tmp = gfc_build_addr_expr (NULL_TREE(tree) __null, cfi_desc_ptr); |
| 5508 | tmp = build_call_expr_loc (input_location, |
| 5509 | gfor_fndecl_gfc_to_cfi, 2, tmp, gfc_desc_ptr); |
| 5510 | gfc_add_expr_to_block (&parmse->pre, tmp); |
| 5511 | |
| 5512 | /* Now set the gfc descriptor attribute. */ |
| 5513 | tmp = fold_build2_loc (input_location, MODIFY_EXPR, |
| 5514 | void_type_nodeglobal_trees[TI_VOID_TYPE], desc_attr, |
| 5515 | build_int_cst (TREE_TYPE (desc_attr)((contains_struct_check ((desc_attr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 5515, __FUNCTION__))->typed.type), attribute)); |
| 5516 | gfc_add_expr_to_block (&parmse->pre, tmp); |
| 5517 | |
| 5518 | /* The CFI descriptor is passed to the bind_C procedure. */ |
| 5519 | parmse->expr = cfi_desc_ptr; |
| 5520 | |
| 5521 | /* Free the CFI descriptor. */ |
| 5522 | tmp = gfc_call_free (cfi_desc_ptr); |
| 5523 | gfc_prepend_expr_to_block (&parmse->post, tmp); |
| 5524 | |
| 5525 | /* Transfer values back to gfc descriptor. */ |
| 5526 | tmp = gfc_build_addr_expr (NULL_TREE(tree) __null, parmse->expr); |
| 5527 | tmp = build_call_expr_loc (input_location, |
| 5528 | gfor_fndecl_cfi_to_gfc, 2, gfc_desc_ptr, tmp); |
| 5529 | gfc_prepend_expr_to_block (&parmse->post, tmp); |
| 5530 | |
| 5531 | /* Deal with an optional dummy being passed to an optional formal arg |
| 5532 | by finishing the pre and post blocks and making their execution |
| 5533 | conditional on the dummy being present. */ |
| 5534 | if (fsym->attr.optional && e->expr_type == EXPR_VARIABLE |
| 5535 | && e->symtree->n.sym->attr.optional) |
| 5536 | { |
| 5537 | cond = gfc_conv_expr_present (e->symtree->n.sym); |
| 5538 | tmp = fold_build2 (MODIFY_EXPR, void_type_node,fold_build2_loc (((location_t) 0), MODIFY_EXPR, global_trees[ TI_VOID_TYPE], cfi_desc_ptr, build_int_cst (pvoid_type_node, 0 ) ) |
| 5539 | cfi_desc_ptr,fold_build2_loc (((location_t) 0), MODIFY_EXPR, global_trees[ TI_VOID_TYPE], cfi_desc_ptr, build_int_cst (pvoid_type_node, 0 ) ) |
| 5540 | build_int_cst (pvoid_type_node, 0))fold_build2_loc (((location_t) 0), MODIFY_EXPR, global_trees[ TI_VOID_TYPE], cfi_desc_ptr, build_int_cst (pvoid_type_node, 0 ) ); |
| 5541 | tmp = build3_v (COND_EXPR, cond,fold_build3_loc (input_location, COND_EXPR, global_trees[TI_VOID_TYPE ], cond, gfc_finish_block (&parmse->pre), tmp) |
| 5542 | gfc_finish_block (&parmse->pre), tmp)fold_build3_loc (input_location, COND_EXPR, global_trees[TI_VOID_TYPE ], cond, gfc_finish_block (&parmse->pre), tmp); |
| 5543 | gfc_add_expr_to_block (&parmse->pre, tmp); |
| 5544 | tmp = build3_v (COND_EXPR, cond,fold_build3_loc (input_location, COND_EXPR, global_trees[TI_VOID_TYPE ], cond, gfc_finish_block (&parmse->post), build_empty_stmt (input_location)) |
| 5545 | gfc_finish_block (&parmse->post),fold_build3_loc (input_location, COND_EXPR, global_trees[TI_VOID_TYPE ], cond, gfc_finish_block (&parmse->post), build_empty_stmt (input_location)) |
| 5546 | build_empty_stmt (input_location))fold_build3_loc (input_location, COND_EXPR, global_trees[TI_VOID_TYPE ], cond, gfc_finish_block (&parmse->post), build_empty_stmt (input_location)); |
| 5547 | gfc_add_expr_to_block (&parmse->post, tmp); |
| 5548 | } |
| 5549 | } |
| 5550 | |
| 5551 | |
| 5552 | /* Generate code for a procedure call. Note can return se->post != NULL. |
| 5553 | If se->direct_byref is set then se->expr contains the return parameter. |
| 5554 | Return nonzero, if the call has alternate specifiers. |
| 5555 | 'expr' is only needed for procedure pointer components. */ |
| 5556 | |
| 5557 | int |
| 5558 | gfc_conv_procedure_call (gfc_se * se, gfc_symbol * sym, |
| 5559 | gfc_actual_arglist * args, gfc_expr * expr, |
| 5560 | vec<tree, va_gc> *append_args) |
| 5561 | { |
| 5562 | gfc_interface_mapping mapping; |
| 5563 | vec<tree, va_gc> *arglist; |
| 5564 | vec<tree, va_gc> *retargs; |
| 5565 | tree tmp; |
| 5566 | tree fntype; |
| 5567 | gfc_se parmse; |
| 5568 | gfc_array_info *info; |
| 5569 | int byref; |
| 5570 | int parm_kind; |
| 5571 | tree type; |
| 5572 | tree var; |
| 5573 | tree len; |
| 5574 | tree base_object; |
| 5575 | vec<tree, va_gc> *stringargs; |
| 5576 | vec<tree, va_gc> *optionalargs; |
| 5577 | tree result = NULL__null; |
| 5578 | gfc_formal_arglist *formal; |
| 5579 | gfc_actual_arglist *arg; |
| 5580 | int has_alternate_specifier = 0; |
| 5581 | bool need_interface_mapping; |
| 5582 | bool callee_alloc; |
| 5583 | bool ulim_copy; |
| 5584 | gfc_typespec ts; |
| 5585 | gfc_charlen cl; |
| 5586 | gfc_expr *e; |
| 5587 | gfc_symbol *fsym; |
| 5588 | stmtblock_t post; |
| 5589 | enum {MISSING = 0, ELEMENTAL, SCALAR, SCALAR_POINTER, ARRAY}; |
| 5590 | gfc_component *comp = NULL__null; |
| 5591 | int arglen; |
| 5592 | unsigned int argc; |
| 5593 | |
| 5594 | arglist = NULL__null; |
| 5595 | retargs = NULL__null; |
| 5596 | stringargs = NULL__null; |
| 5597 | optionalargs = NULL__null; |
| 5598 | var = NULL_TREE(tree) __null; |
| 5599 | len = NULL_TREE(tree) __null; |
| 5600 | gfc_clear_ts (&ts); |
| 5601 | |
| 5602 | comp = gfc_get_proc_ptr_comp (expr); |
| 5603 | |
| 5604 | bool elemental_proc = (comp |
| 5605 | && comp->ts.interface |
| 5606 | && comp->ts.interface->attr.elemental) |
| 5607 | || (comp && comp->attr.elemental) |
| 5608 | || sym->attr.elemental; |
| 5609 | |
| 5610 | if (se->ss != NULL__null) |
| 5611 | { |
| 5612 | if (!elemental_proc) |
| 5613 | { |
| 5614 | gcc_assert (se->ss->info->type == GFC_SS_FUNCTION)((void)(!(se->ss->info->type == GFC_SS_FUNCTION) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 5614, __FUNCTION__), 0 : 0)); |
| 5615 | if (se->ss->info->useflags) |
| 5616 | { |
| 5617 | gcc_assert ((!comp && gfc_return_by_reference (sym)((void)(!((!comp && gfc_return_by_reference (sym) && sym->result->attr.dimension) || (comp && comp-> attr.dimension) || gfc_is_class_array_function (expr)) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 5620, __FUNCTION__), 0 : 0)) |
| 5618 | && sym->result->attr.dimension)((void)(!((!comp && gfc_return_by_reference (sym) && sym->result->attr.dimension) || (comp && comp-> attr.dimension) || gfc_is_class_array_function (expr)) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 5620, __FUNCTION__), 0 : 0)) |
| 5619 | || (comp && comp->attr.dimension)((void)(!((!comp && gfc_return_by_reference (sym) && sym->result->attr.dimension) || (comp && comp-> attr.dimension) || gfc_is_class_array_function (expr)) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 5620, __FUNCTION__), 0 : 0)) |
| 5620 | || gfc_is_class_array_function (expr))((void)(!((!comp && gfc_return_by_reference (sym) && sym->result->attr.dimension) || (comp && comp-> attr.dimension) || gfc_is_class_array_function (expr)) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 5620, __FUNCTION__), 0 : 0)); |
| 5621 | gcc_assert (se->loop != NULL)((void)(!(se->loop != __null) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 5621, __FUNCTION__), 0 : 0)); |
| 5622 | /* Access the previously obtained result. */ |
| 5623 | gfc_conv_tmp_array_ref (se); |
| 5624 | return 0; |
| 5625 | } |
| 5626 | } |
| 5627 | info = &se->ss->info->data.array; |
| 5628 | } |
| 5629 | else |
| 5630 | info = NULL__null; |
| 5631 | |
| 5632 | gfc_init_block (&post); |
| 5633 | gfc_init_interface_mapping (&mapping); |
| 5634 | if (!comp) |
| 5635 | { |
| 5636 | formal = gfc_sym_get_dummy_args (sym); |
| 5637 | need_interface_mapping = sym->attr.dimension || |
| 5638 | (sym->ts.type == BT_CHARACTER |
| 5639 | && sym->ts.u.cl->length |
| 5640 | && sym->ts.u.cl->length->expr_type |
| 5641 | != EXPR_CONSTANT); |
| 5642 | } |
| 5643 | else |
| 5644 | { |
| 5645 | formal = comp->ts.interface ? comp->ts.interface->formal : NULL__null; |
| 5646 | need_interface_mapping = comp->attr.dimension || |
| 5647 | (comp->ts.type == BT_CHARACTER |
| 5648 | && comp->ts.u.cl->length |
| 5649 | && comp->ts.u.cl->length->expr_type |
| 5650 | != EXPR_CONSTANT); |
| 5651 | } |
| 5652 | |
| 5653 | base_object = NULL_TREE(tree) __null; |
| 5654 | /* For _vprt->_copy () routines no formal symbol is present. Nevertheless |
| 5655 | is the third and fourth argument to such a function call a value |
| 5656 | denoting the number of elements to copy (i.e., most of the time the |
| 5657 | length of a deferred length string). */ |
| 5658 | ulim_copy = (formal == NULL__null) |
| 5659 | && UNLIMITED_POLY (sym)(sym != __null && sym->ts.type == BT_CLASS && sym->ts.u.derived->components && sym->ts.u. derived->components->ts.u.derived && sym->ts .u.derived->components->ts.u.derived->attr.unlimited_polymorphic ) |
| 5660 | && comp && (strcmp ("_copy", comp->name) == 0); |
| 5661 | |
| 5662 | /* Evaluate the arguments. */ |
| 5663 | for (arg = args, argc = 0; arg != NULL__null; |
| 5664 | arg = arg->next, formal = formal ? formal->next : NULL__null, ++argc) |
| 5665 | { |
| 5666 | bool finalized = false; |
| 5667 | bool non_unity_length_string = false; |
| 5668 | |
| 5669 | e = arg->expr; |
| 5670 | fsym = formal ? formal->sym : NULL__null; |
| 5671 | parm_kind = MISSING; |
| 5672 | |
| 5673 | if (fsym && fsym->ts.type == BT_CHARACTER && fsym->ts.u.cl |
| 5674 | && (!fsym->ts.u.cl->length |
| 5675 | || fsym->ts.u.cl->length->expr_type != EXPR_CONSTANT |
| 5676 | || mpz_cmp_si (fsym->ts.u.cl->length->value.integer, 1)(__builtin_constant_p ((1) >= 0) && (1) >= 0 ? ( __builtin_constant_p ((static_cast<unsigned long> (1))) && ((static_cast<unsigned long> (1))) == 0 ? ( (fsym->ts.u.cl->length->value.integer)->_mp_size < 0 ? -1 : (fsym->ts.u.cl->length->value.integer)-> _mp_size > 0) : __gmpz_cmp_ui (fsym->ts.u.cl->length ->value.integer,(static_cast<unsigned long> (1)))) : __gmpz_cmp_si (fsym->ts.u.cl->length->value.integer ,1)) != 0)) |
| 5677 | non_unity_length_string = true; |
| 5678 | |
| 5679 | /* If the procedure requires an explicit interface, the actual |
| 5680 | argument is passed according to the corresponding formal |
| 5681 | argument. If the corresponding formal argument is a POINTER, |
| 5682 | ALLOCATABLE or assumed shape, we do not use g77's calling |
| 5683 | convention, and pass the address of the array descriptor |
| 5684 | instead. Otherwise we use g77's calling convention, in other words |
| 5685 | pass the array data pointer without descriptor. */ |
| 5686 | bool nodesc_arg = fsym != NULL__null |
| 5687 | && !(fsym->attr.pointer || fsym->attr.allocatable) |
| 5688 | && fsym->as |
| 5689 | && fsym->as->type != AS_ASSUMED_SHAPE |
| 5690 | && fsym->as->type != AS_ASSUMED_RANK; |
| 5691 | if (comp) |
| 5692 | nodesc_arg = nodesc_arg || !comp->attr.always_explicit; |
| 5693 | else |
| 5694 | nodesc_arg = nodesc_arg || !sym->attr.always_explicit; |
| 5695 | |
| 5696 | /* Class array expressions are sometimes coming completely unadorned |
| 5697 | with either arrayspec or _data component. Correct that here. |
| 5698 | OOP-TODO: Move this to the frontend. */ |
| 5699 | if (e && e->expr_type == EXPR_VARIABLE |
| 5700 | && !e->ref |
| 5701 | && e->ts.type == BT_CLASS |
| 5702 | && (CLASS_DATA (e)e->ts.u.derived->components->attr.codimension |
| 5703 | || CLASS_DATA (e)e->ts.u.derived->components->attr.dimension)) |
| 5704 | { |
| 5705 | gfc_typespec temp_ts = e->ts; |
| 5706 | gfc_add_class_array_ref (e); |
| 5707 | e->ts = temp_ts; |
| 5708 | } |
| 5709 | |
| 5710 | if (e == NULL__null) |
| 5711 | { |
| 5712 | if (se->ignore_optional) |
| 5713 | { |
| 5714 | /* Some intrinsics have already been resolved to the correct |
| 5715 | parameters. */ |
| 5716 | continue; |
| 5717 | } |
| 5718 | else if (arg->label) |
| 5719 | { |
| 5720 | has_alternate_specifier = 1; |
| 5721 | continue; |
| 5722 | } |
| 5723 | else |
| 5724 | { |
| 5725 | gfc_init_se (&parmse, NULL__null); |
| 5726 | |
| 5727 | /* For scalar arguments with VALUE attribute which are passed by |
| 5728 | value, pass "0" and a hidden argument gives the optional |
| 5729 | status. */ |
| 5730 | if (fsym && fsym->attr.optional && fsym->attr.value |
| 5731 | && !fsym->attr.dimension && fsym->ts.type != BT_CHARACTER |
| 5732 | && fsym->ts.type != BT_CLASS && fsym->ts.type != BT_DERIVED) |
| 5733 | { |
| 5734 | parmse.expr = fold_convert (gfc_sym_type (fsym),fold_convert_loc (((location_t) 0), gfc_sym_type (fsym), global_trees [TI_INTEGER_ZERO]) |
| 5735 | integer_zero_node)fold_convert_loc (((location_t) 0), gfc_sym_type (fsym), global_trees [TI_INTEGER_ZERO]); |
| 5736 | vec_safe_push (optionalargs, boolean_false_nodeglobal_trees[TI_BOOLEAN_FALSE]); |
| 5737 | } |
| 5738 | else |
| 5739 | { |
| 5740 | /* Pass a NULL pointer for an absent arg. */ |
| 5741 | parmse.expr = null_pointer_nodeglobal_trees[TI_NULL_POINTER]; |
| 5742 | if (arg->missing_arg_type == BT_CHARACTER) |
| 5743 | parmse.string_length = build_int_cst (gfc_charlen_type_node, |
| 5744 | 0); |
| 5745 | } |
| 5746 | } |
| 5747 | } |
| 5748 | else if (arg->expr->expr_type == EXPR_NULL |
| 5749 | && fsym && !fsym->attr.pointer |
| 5750 | && (fsym->ts.type != BT_CLASS |
| 5751 | || !CLASS_DATA (fsym)fsym->ts.u.derived->components->attr.class_pointer)) |
| 5752 | { |
| 5753 | /* Pass a NULL pointer to denote an absent arg. */ |
| 5754 | gcc_assert (fsym->attr.optional && !fsym->attr.allocatable((void)(!(fsym->attr.optional && !fsym->attr.allocatable && (fsym->ts.type != BT_CLASS || !fsym->ts.u.derived ->components->attr.allocatable)) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 5756, __FUNCTION__), 0 : 0)) |
| 5755 | && (fsym->ts.type != BT_CLASS((void)(!(fsym->attr.optional && !fsym->attr.allocatable && (fsym->ts.type != BT_CLASS || !fsym->ts.u.derived ->components->attr.allocatable)) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 5756, __FUNCTION__), 0 : 0)) |
| 5756 | || !CLASS_DATA (fsym)->attr.allocatable))((void)(!(fsym->attr.optional && !fsym->attr.allocatable && (fsym->ts.type != BT_CLASS || !fsym->ts.u.derived ->components->attr.allocatable)) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/fortran/trans-expr.c" , 5756, __FUNCTION__), 0 : 0)); |
| 5757 | gfc_init_se (&parmse, NULL__null); |
| 5758 | parmse.expr = null_pointer_nodeglobal_trees[TI_NULL_POINTER]; |
| 5759 | if (arg->missing_arg_type == BT_CHARACTER) |
| 5760 | parmse.string_length = build_int_cst (gfc_charlen_type_node, 0); |
| 5761 | } |
| 5762 | else if (fsym && fsym->ts.type == BT_CLASS |
| 5763 | && e->ts.type == BT_DERIVED) |
| 5764 | { |
| 5765 | /* The derived type needs to be converted to a temporary |
| 5766 | CLASS object. */ |
| 5767 | gfc_init_se (&parmse, se); |
| 5768 | gfc_conv_derived_to_class (&parmse, e, fsym->ts, NULL__null |