| File: | build/gcc/cp/constraint.cc |
| Warning: | line 1915, column 10 The right operand of '!=' is a garbage value |
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| 1 | /* Processing rules for constraints. | ||||
| 2 | Copyright (C) 2013-2021 Free Software Foundation, Inc. | ||||
| 3 | Contributed by Andrew Sutton (andrew.n.sutton@gmail.com) | ||||
| 4 | |||||
| 5 | This file is part of GCC. | ||||
| 6 | |||||
| 7 | GCC is free software; you can redistribute it and/or modify | ||||
| 8 | it under the terms of the GNU General Public License as published by | ||||
| 9 | the Free Software Foundation; either version 3, or (at your option) | ||||
| 10 | any later version. | ||||
| 11 | |||||
| 12 | GCC is distributed in the hope that it will be useful, | ||||
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||||
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||||
| 15 | GNU General Public License for more details. | ||||
| 16 | |||||
| 17 | You should have received a copy of the GNU General Public License | ||||
| 18 | along with GCC; see the file COPYING3. If not see | ||||
| 19 | <http://www.gnu.org/licenses/>. */ | ||||
| 20 | |||||
| 21 | #include "config.h" | ||||
| 22 | #include "system.h" | ||||
| 23 | #include "coretypes.h" | ||||
| 24 | #include "tm.h" | ||||
| 25 | #include "timevar.h" | ||||
| 26 | #include "hash-set.h" | ||||
| 27 | #include "machmode.h" | ||||
| 28 | #include "vec.h" | ||||
| 29 | #include "double-int.h" | ||||
| 30 | #include "input.h" | ||||
| 31 | #include "alias.h" | ||||
| 32 | #include "symtab.h" | ||||
| 33 | #include "wide-int.h" | ||||
| 34 | #include "inchash.h" | ||||
| 35 | #include "tree.h" | ||||
| 36 | #include "stringpool.h" | ||||
| 37 | #include "attribs.h" | ||||
| 38 | #include "intl.h" | ||||
| 39 | #include "flags.h" | ||||
| 40 | #include "cp-tree.h" | ||||
| 41 | #include "c-family/c-common.h" | ||||
| 42 | #include "c-family/c-objc.h" | ||||
| 43 | #include "cp-objcp-common.h" | ||||
| 44 | #include "tree-inline.h" | ||||
| 45 | #include "decl.h" | ||||
| 46 | #include "toplev.h" | ||||
| 47 | #include "type-utils.h" | ||||
| 48 | |||||
| 49 | static tree satisfaction_value (tree t); | ||||
| 50 | |||||
| 51 | /* When we're parsing or substuting a constraint expression, we have slightly | ||||
| 52 | different expression semantics. In particular, we don't want to reduce a | ||||
| 53 | concept-id to a satisfaction value. */ | ||||
| 54 | |||||
| 55 | processing_constraint_expression_sentinel:: | ||||
| 56 | processing_constraint_expression_sentinel () | ||||
| 57 | { | ||||
| 58 | ++scope_chain->x_processing_constraint; | ||||
| 59 | } | ||||
| 60 | |||||
| 61 | processing_constraint_expression_sentinel:: | ||||
| 62 | ~processing_constraint_expression_sentinel () | ||||
| 63 | { | ||||
| 64 | --scope_chain->x_processing_constraint; | ||||
| 65 | } | ||||
| 66 | |||||
| 67 | bool | ||||
| 68 | processing_constraint_expression_p () | ||||
| 69 | { | ||||
| 70 | return scope_chain->x_processing_constraint != 0; | ||||
| 71 | } | ||||
| 72 | |||||
| 73 | /*--------------------------------------------------------------------------- | ||||
| 74 | Constraint expressions | ||||
| 75 | ---------------------------------------------------------------------------*/ | ||||
| 76 | |||||
| 77 | /* Information provided to substitution. */ | ||||
| 78 | |||||
| 79 | struct subst_info | ||||
| 80 | { | ||||
| 81 | subst_info (tsubst_flags_t cmp, tree in) | ||||
| 82 | : complain (cmp), in_decl (in) | ||||
| 83 | { } | ||||
| 84 | |||||
| 85 | /* True if we should not diagnose errors. */ | ||||
| 86 | bool quiet() const | ||||
| 87 | { | ||||
| 88 | return complain == tf_none; | ||||
| 89 | } | ||||
| 90 | |||||
| 91 | /* True if we should diagnose errors. */ | ||||
| 92 | bool noisy() const | ||||
| 93 | { | ||||
| 94 | return !quiet (); | ||||
| 95 | } | ||||
| 96 | |||||
| 97 | tsubst_flags_t complain; | ||||
| 98 | tree in_decl; | ||||
| 99 | }; | ||||
| 100 | |||||
| 101 | /* Provides additional context for satisfaction. | ||||
| 102 | |||||
| 103 | The flag noisy() controls whether to diagnose ill-formed satisfaction, | ||||
| 104 | such as the satisfaction value of an atom being non-bool or non-constant. | ||||
| 105 | |||||
| 106 | The flag diagnose_unsatisfaction_p() controls whether to explain why | ||||
| 107 | a constraint is not satisfied. | ||||
| 108 | |||||
| 109 | The entrypoints to satisfaction for which we set noisy+unsat are | ||||
| 110 | diagnose_constraints and diagnose_nested_requirement. The entrypoints for | ||||
| 111 | which we set noisy-unsat are the replays inside constraint_satisfaction_value, | ||||
| 112 | evaluate_concept_check and tsubst_nested_requirement. In other entrypoints, | ||||
| 113 | e.g. constraints_satisfied_p, we enter satisfaction quietly (both flags | ||||
| 114 | cleared). */ | ||||
| 115 | |||||
| 116 | struct sat_info : subst_info | ||||
| 117 | { | ||||
| 118 | sat_info (tsubst_flags_t cmp, tree in, bool diag_unsat = false) | ||||
| 119 | : subst_info (cmp, in), diagnose_unsatisfaction (diag_unsat) | ||||
| 120 | { | ||||
| 121 | if (diagnose_unsatisfaction_p ()) | ||||
| 122 | gcc_checking_assert (noisy ())((void)(!(noisy ()) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 122, __FUNCTION__), 0 : 0)); | ||||
| 123 | } | ||||
| 124 | |||||
| 125 | /* True if we should diagnose the cause of satisfaction failure. | ||||
| 126 | Implies noisy(). */ | ||||
| 127 | bool | ||||
| 128 | diagnose_unsatisfaction_p () const | ||||
| 129 | { | ||||
| 130 | return diagnose_unsatisfaction; | ||||
| 131 | } | ||||
| 132 | |||||
| 133 | bool diagnose_unsatisfaction; | ||||
| 134 | }; | ||||
| 135 | |||||
| 136 | static tree satisfy_constraint (tree, tree, sat_info); | ||||
| 137 | |||||
| 138 | /* True if T is known to be some type other than bool. Note that this | ||||
| 139 | is false for dependent types and errors. */ | ||||
| 140 | |||||
| 141 | static inline bool | ||||
| 142 | known_non_bool_p (tree t) | ||||
| 143 | { | ||||
| 144 | return (t && !WILDCARD_TYPE_P (t)(((enum tree_code) (t)->base.code) == TEMPLATE_TYPE_PARM || ((enum tree_code) (t)->base.code) == TYPENAME_TYPE || ((enum tree_code) (t)->base.code) == TYPEOF_TYPE || ((enum tree_code ) (t)->base.code) == BOUND_TEMPLATE_TEMPLATE_PARM || ((enum tree_code) (t)->base.code) == DECLTYPE_TYPE) && TREE_CODE (t)((enum tree_code) (t)->base.code) != BOOLEAN_TYPE); | ||||
| 145 | } | ||||
| 146 | |||||
| 147 | static bool | ||||
| 148 | check_constraint_atom (cp_expr expr) | ||||
| 149 | { | ||||
| 150 | if (known_non_bool_p (TREE_TYPE (expr)((contains_struct_check ((expr), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 150, __FUNCTION__))->typed.type))) | ||||
| 151 | { | ||||
| 152 | error_at (expr.get_location (), | ||||
| 153 | "constraint expression does not have type %<bool%>"); | ||||
| 154 | return false; | ||||
| 155 | } | ||||
| 156 | |||||
| 157 | /* Check that we're using function concepts correctly. */ | ||||
| 158 | if (concept_check_p (expr)) | ||||
| 159 | { | ||||
| 160 | tree id = unpack_concept_check (expr); | ||||
| 161 | tree tmpl = TREE_OPERAND (id, 0)(*((const_cast<tree*> (tree_operand_check ((id), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 161, __FUNCTION__))))); | ||||
| 162 | if (OVL_P (tmpl)(((enum tree_code) (tmpl)->base.code) == FUNCTION_DECL || ( (enum tree_code) (tmpl)->base.code) == OVERLOAD) && TREE_CODE (expr)((enum tree_code) (expr)->base.code) == TEMPLATE_ID_EXPR) | ||||
| 163 | { | ||||
| 164 | error_at (EXPR_LOC_OR_LOC (expr, input_location)((((IS_ADHOC_LOC (((((expr)) && ((tree_code_type[(int ) (((enum tree_code) ((expr))->base.code))]) >= tcc_reference && (tree_code_type[(int) (((enum tree_code) ((expr)) ->base.code))]) <= tcc_expression)) ? (expr)->exp.locus : ((location_t) 0)))) ? get_location_from_adhoc_loc (line_table , ((((expr)) && ((tree_code_type[(int) (((enum tree_code ) ((expr))->base.code))]) >= tcc_reference && ( tree_code_type[(int) (((enum tree_code) ((expr))->base.code ))]) <= tcc_expression)) ? (expr)->exp.locus : ((location_t ) 0))) : (((((expr)) && ((tree_code_type[(int) (((enum tree_code) ((expr))->base.code))]) >= tcc_reference && (tree_code_type[(int) (((enum tree_code) ((expr))->base.code ))]) <= tcc_expression)) ? (expr)->exp.locus : ((location_t ) 0)))) != ((location_t) 0)) ? (expr)->exp.locus : (input_location )), | ||||
| 165 | "function concept must be called"); | ||||
| 166 | return false; | ||||
| 167 | } | ||||
| 168 | } | ||||
| 169 | |||||
| 170 | return true; | ||||
| 171 | } | ||||
| 172 | |||||
| 173 | static bool | ||||
| 174 | check_constraint_operands (location_t, cp_expr lhs, cp_expr rhs) | ||||
| 175 | { | ||||
| 176 | return check_constraint_atom (lhs) && check_constraint_atom (rhs); | ||||
| 177 | } | ||||
| 178 | |||||
| 179 | /* Validate the semantic properties of the constraint expression. */ | ||||
| 180 | |||||
| 181 | static cp_expr | ||||
| 182 | finish_constraint_binary_op (location_t loc, | ||||
| 183 | tree_code code, | ||||
| 184 | cp_expr lhs, | ||||
| 185 | cp_expr rhs) | ||||
| 186 | { | ||||
| 187 | gcc_assert (processing_constraint_expression_p ())((void)(!(processing_constraint_expression_p ()) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 187, __FUNCTION__), 0 : 0)); | ||||
| 188 | if (lhs == error_mark_nodeglobal_trees[TI_ERROR_MARK] || rhs == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 189 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 190 | if (!check_constraint_operands (loc, lhs, rhs)) | ||||
| 191 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 192 | tree overload; | ||||
| 193 | cp_expr expr = build_x_binary_op (loc, code, | ||||
| 194 | lhs, TREE_CODE (lhs)((enum tree_code) (lhs)->base.code), | ||||
| 195 | rhs, TREE_CODE (rhs)((enum tree_code) (rhs)->base.code), | ||||
| 196 | &overload, tf_none); | ||||
| 197 | /* When either operand is dependent, the overload set may be non-empty. */ | ||||
| 198 | if (expr == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 199 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 200 | expr.set_location (loc); | ||||
| 201 | expr.set_range (lhs.get_start (), rhs.get_finish ()); | ||||
| 202 | return expr; | ||||
| 203 | } | ||||
| 204 | |||||
| 205 | cp_expr | ||||
| 206 | finish_constraint_or_expr (location_t loc, cp_expr lhs, cp_expr rhs) | ||||
| 207 | { | ||||
| 208 | return finish_constraint_binary_op (loc, TRUTH_ORIF_EXPR, lhs, rhs); | ||||
| 209 | } | ||||
| 210 | |||||
| 211 | cp_expr | ||||
| 212 | finish_constraint_and_expr (location_t loc, cp_expr lhs, cp_expr rhs) | ||||
| 213 | { | ||||
| 214 | return finish_constraint_binary_op (loc, TRUTH_ANDIF_EXPR, lhs, rhs); | ||||
| 215 | } | ||||
| 216 | |||||
| 217 | cp_expr | ||||
| 218 | finish_constraint_primary_expr (cp_expr expr) | ||||
| 219 | { | ||||
| 220 | if (expr == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 221 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 222 | if (!check_constraint_atom (expr)) | ||||
| 223 | return cp_expr (error_mark_nodeglobal_trees[TI_ERROR_MARK], expr.get_location ()); | ||||
| 224 | return expr; | ||||
| 225 | } | ||||
| 226 | |||||
| 227 | /* Combine two constraint-expressions with a logical-and. */ | ||||
| 228 | |||||
| 229 | tree | ||||
| 230 | combine_constraint_expressions (tree lhs, tree rhs) | ||||
| 231 | { | ||||
| 232 | processing_constraint_expression_sentinel pce; | ||||
| 233 | if (!lhs) | ||||
| 234 | return rhs; | ||||
| 235 | if (!rhs) | ||||
| 236 | return lhs; | ||||
| 237 | return finish_constraint_and_expr (input_location, lhs, rhs); | ||||
| 238 | } | ||||
| 239 | |||||
| 240 | /* Extract the template-id from a concept check. For standard and variable | ||||
| 241 | checks, this is simply T. For function concept checks, this is the | ||||
| 242 | called function. */ | ||||
| 243 | |||||
| 244 | tree | ||||
| 245 | unpack_concept_check (tree t) | ||||
| 246 | { | ||||
| 247 | gcc_assert (concept_check_p (t))((void)(!(concept_check_p (t)) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 247, __FUNCTION__), 0 : 0)); | ||||
| 248 | |||||
| 249 | if (TREE_CODE (t)((enum tree_code) (t)->base.code) == CALL_EXPR) | ||||
| 250 | t = CALL_EXPR_FN (t)(*((const_cast<tree*> (tree_operand_check (((tree_check ((t), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 250, __FUNCTION__, (CALL_EXPR)))), (1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 250, __FUNCTION__))))); | ||||
| 251 | |||||
| 252 | gcc_assert (TREE_CODE (t) == TEMPLATE_ID_EXPR)((void)(!(((enum tree_code) (t)->base.code) == TEMPLATE_ID_EXPR ) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 252, __FUNCTION__), 0 : 0)); | ||||
| 253 | return t; | ||||
| 254 | } | ||||
| 255 | |||||
| 256 | /* Extract the TEMPLATE_DECL from a concept check. */ | ||||
| 257 | |||||
| 258 | tree | ||||
| 259 | get_concept_check_template (tree t) | ||||
| 260 | { | ||||
| 261 | tree id = unpack_concept_check (t); | ||||
| 262 | tree tmpl = TREE_OPERAND (id, 0)(*((const_cast<tree*> (tree_operand_check ((id), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 262, __FUNCTION__))))); | ||||
| 263 | if (OVL_P (tmpl)(((enum tree_code) (tmpl)->base.code) == FUNCTION_DECL || ( (enum tree_code) (tmpl)->base.code) == OVERLOAD)) | ||||
| 264 | tmpl = OVL_FIRST (tmpl)ovl_first (tmpl); | ||||
| 265 | return tmpl; | ||||
| 266 | } | ||||
| 267 | |||||
| 268 | /* Returns true if any of the arguments in the template argument list is | ||||
| 269 | a wildcard or wildcard pack. */ | ||||
| 270 | |||||
| 271 | bool | ||||
| 272 | contains_wildcard_p (tree args) | ||||
| 273 | { | ||||
| 274 | for (int i = 0; i < TREE_VEC_LENGTH (args)((tree_check ((args), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 274, __FUNCTION__, (TREE_VEC)))->base.u.length); ++i) | ||||
| 275 | { | ||||
| 276 | tree arg = TREE_VEC_ELT (args, i)(*((const_cast<tree *> (tree_vec_elt_check ((args), (i) , "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 276, __FUNCTION__))))); | ||||
| 277 | if (TREE_CODE (arg)((enum tree_code) (arg)->base.code) == WILDCARD_DECL) | ||||
| 278 | return true; | ||||
| 279 | } | ||||
| 280 | return false; | ||||
| 281 | } | ||||
| 282 | |||||
| 283 | /*--------------------------------------------------------------------------- | ||||
| 284 | Resolution of qualified concept names | ||||
| 285 | ---------------------------------------------------------------------------*/ | ||||
| 286 | |||||
| 287 | /* This facility is used to resolve constraint checks from requirement | ||||
| 288 | expressions. A constraint check is a call to a function template declared | ||||
| 289 | with the keyword 'concept'. | ||||
| 290 | |||||
| 291 | The result of resolution is a pair (a TREE_LIST) whose value is the | ||||
| 292 | matched declaration, and whose purpose contains the coerced template | ||||
| 293 | arguments that can be substituted into the call. */ | ||||
| 294 | |||||
| 295 | /* Given an overload set OVL, try to find a unique definition that can be | ||||
| 296 | instantiated by the template arguments ARGS. | ||||
| 297 | |||||
| 298 | This function is not called for arbitrary call expressions. In particular, | ||||
| 299 | the call expression must be written with explicit template arguments | ||||
| 300 | and no function arguments. For example: | ||||
| 301 | |||||
| 302 | f<T, U>() | ||||
| 303 | |||||
| 304 | If a single match is found, this returns a TREE_LIST whose VALUE | ||||
| 305 | is the constraint function (not the template), and its PURPOSE is | ||||
| 306 | the complete set of arguments substituted into the parameter list. */ | ||||
| 307 | |||||
| 308 | static tree | ||||
| 309 | resolve_function_concept_overload (tree ovl, tree args) | ||||
| 310 | { | ||||
| 311 | int nerrs = 0; | ||||
| 312 | tree cands = NULL_TREE(tree) __null; | ||||
| 313 | for (lkp_iterator iter (ovl); iter; ++iter) | ||||
| 314 | { | ||||
| 315 | tree tmpl = *iter; | ||||
| 316 | if (TREE_CODE (tmpl)((enum tree_code) (tmpl)->base.code) != TEMPLATE_DECL) | ||||
| 317 | continue; | ||||
| 318 | |||||
| 319 | /* Don't try to deduce checks for non-concepts. We often end up trying | ||||
| 320 | to resolve constraints in functional casts as part of a | ||||
| 321 | postfix-expression. We can save time and headaches by not | ||||
| 322 | instantiating those declarations. | ||||
| 323 | |||||
| 324 | NOTE: This masks a potential error, caused by instantiating | ||||
| 325 | non-deduced contexts using placeholder arguments. */ | ||||
| 326 | tree fn = DECL_TEMPLATE_RESULT (tmpl)((struct tree_template_decl *)(const_cast<union tree_node * > ((((tree_check ((tmpl), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 326, __FUNCTION__, (TEMPLATE_DECL))))))))->result; | ||||
| 327 | if (DECL_ARGUMENTS (fn)((tree_check ((fn), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 327, __FUNCTION__, (FUNCTION_DECL)))->function_decl.arguments )) | ||||
| 328 | continue; | ||||
| 329 | if (!DECL_DECLARED_CONCEPT_P (fn)(((contains_struct_check ((fn), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 329, __FUNCTION__))->decl_common.lang_specific)->u.base .concept_p)) | ||||
| 330 | continue; | ||||
| 331 | |||||
| 332 | /* Remember the candidate if we can deduce a substitution. */ | ||||
| 333 | ++processing_template_declscope_chain->x_processing_template_decl; | ||||
| 334 | tree parms = TREE_VALUE (DECL_TEMPLATE_PARMS (tmpl))((tree_check ((((struct tree_template_decl *)(const_cast<union tree_node *> ((((tree_check ((tmpl), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 334, __FUNCTION__, (TEMPLATE_DECL))))))))->arguments), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 334, __FUNCTION__, (TREE_LIST)))->list.value); | ||||
| 335 | if (tree subst = coerce_template_parms (parms, args, tmpl)) | ||||
| 336 | { | ||||
| 337 | if (subst == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 338 | ++nerrs; | ||||
| 339 | else | ||||
| 340 | cands = tree_cons (subst, fn, cands); | ||||
| 341 | } | ||||
| 342 | --processing_template_declscope_chain->x_processing_template_decl; | ||||
| 343 | } | ||||
| 344 | |||||
| 345 | if (!cands) | ||||
| 346 | /* We either had no candidates or failed deductions. */ | ||||
| 347 | return nerrs ? error_mark_nodeglobal_trees[TI_ERROR_MARK] : NULL_TREE(tree) __null; | ||||
| 348 | else if (TREE_CHAIN (cands)((contains_struct_check ((cands), (TS_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 348, __FUNCTION__))->common.chain)) | ||||
| 349 | /* There are multiple candidates. */ | ||||
| 350 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 351 | |||||
| 352 | return cands; | ||||
| 353 | } | ||||
| 354 | |||||
| 355 | /* Determine if the call expression CALL is a constraint check, and | ||||
| 356 | return the concept declaration and arguments being checked. If CALL | ||||
| 357 | does not denote a constraint check, return NULL. */ | ||||
| 358 | |||||
| 359 | tree | ||||
| 360 | resolve_function_concept_check (tree call) | ||||
| 361 | { | ||||
| 362 | gcc_assert (TREE_CODE (call) == CALL_EXPR)((void)(!(((enum tree_code) (call)->base.code) == CALL_EXPR ) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 362, __FUNCTION__), 0 : 0)); | ||||
| 363 | |||||
| 364 | /* A constraint check must be only a template-id expression. | ||||
| 365 | If it's a call to a base-link, its function(s) should be a | ||||
| 366 | template-id expression. If this is not a template-id, then | ||||
| 367 | it cannot be a concept-check. */ | ||||
| 368 | tree target = CALL_EXPR_FN (call)(*((const_cast<tree*> (tree_operand_check (((tree_check ((call), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 368, __FUNCTION__, (CALL_EXPR)))), (1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 368, __FUNCTION__))))); | ||||
| 369 | if (BASELINK_P (target)(((enum tree_code) (target)->base.code) == BASELINK)) | ||||
| 370 | target = BASELINK_FUNCTIONS (target)(((struct tree_baselink*) (tree_check ((target), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 370, __FUNCTION__, (BASELINK))))->functions); | ||||
| 371 | if (TREE_CODE (target)((enum tree_code) (target)->base.code) != TEMPLATE_ID_EXPR) | ||||
| 372 | return NULL_TREE(tree) __null; | ||||
| 373 | |||||
| 374 | /* Get the overload set and template arguments and try to | ||||
| 375 | resolve the target. */ | ||||
| 376 | tree ovl = TREE_OPERAND (target, 0)(*((const_cast<tree*> (tree_operand_check ((target), (0 ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 376, __FUNCTION__))))); | ||||
| 377 | |||||
| 378 | /* This is a function call of a variable concept... ill-formed. */ | ||||
| 379 | if (TREE_CODE (ovl)((enum tree_code) (ovl)->base.code) == TEMPLATE_DECL) | ||||
| 380 | { | ||||
| 381 | error_at (location_of (call), | ||||
| 382 | "function call of variable concept %qE", call); | ||||
| 383 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 384 | } | ||||
| 385 | |||||
| 386 | tree args = TREE_OPERAND (target, 1)(*((const_cast<tree*> (tree_operand_check ((target), (1 ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 386, __FUNCTION__))))); | ||||
| 387 | return resolve_function_concept_overload (ovl, args); | ||||
| 388 | } | ||||
| 389 | |||||
| 390 | /* Returns a pair containing the checked concept and its associated | ||||
| 391 | prototype parameter. The result is a TREE_LIST whose TREE_VALUE | ||||
| 392 | is the concept (non-template) and whose TREE_PURPOSE contains | ||||
| 393 | the converted template arguments, including the deduced prototype | ||||
| 394 | parameter (in position 0). */ | ||||
| 395 | |||||
| 396 | tree | ||||
| 397 | resolve_concept_check (tree check) | ||||
| 398 | { | ||||
| 399 | gcc_assert (concept_check_p (check))((void)(!(concept_check_p (check)) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 399, __FUNCTION__), 0 : 0)); | ||||
| 400 | tree id = unpack_concept_check (check); | ||||
| 401 | tree tmpl = TREE_OPERAND (id, 0)(*((const_cast<tree*> (tree_operand_check ((id), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 401, __FUNCTION__))))); | ||||
| 402 | |||||
| 403 | /* If this is an overloaded function concept, perform overload | ||||
| 404 | resolution (this only happens when deducing prototype parameters | ||||
| 405 | and template introductions). */ | ||||
| 406 | if (TREE_CODE (tmpl)((enum tree_code) (tmpl)->base.code) == OVERLOAD) | ||||
| 407 | { | ||||
| 408 | if (OVL_CHAIN (tmpl)(((struct tree_overload*)(tree_check ((tmpl), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 408, __FUNCTION__, (OVERLOAD))))->common.chain)) | ||||
| 409 | return resolve_function_concept_check (check); | ||||
| 410 | tmpl = OVL_FIRST (tmpl)ovl_first (tmpl); | ||||
| 411 | } | ||||
| 412 | |||||
| 413 | tree args = TREE_OPERAND (id, 1)(*((const_cast<tree*> (tree_operand_check ((id), (1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 413, __FUNCTION__))))); | ||||
| 414 | tree parms = INNERMOST_TEMPLATE_PARMS (DECL_TEMPLATE_PARMS (tmpl))((tree_check ((((struct tree_template_decl *)(const_cast<union tree_node *> ((((tree_check ((tmpl), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 414, __FUNCTION__, (TEMPLATE_DECL))))))))->arguments), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 414, __FUNCTION__, (TREE_LIST)))->list.value); | ||||
| 415 | ++processing_template_declscope_chain->x_processing_template_decl; | ||||
| 416 | tree result = coerce_template_parms (parms, args, tmpl); | ||||
| 417 | --processing_template_declscope_chain->x_processing_template_decl; | ||||
| 418 | if (result == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 419 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 420 | return build_tree_list (result, DECL_TEMPLATE_RESULT (tmpl)((struct tree_template_decl *)(const_cast<union tree_node * > ((((tree_check ((tmpl), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 420, __FUNCTION__, (TEMPLATE_DECL))))))))->result); | ||||
| 421 | } | ||||
| 422 | |||||
| 423 | /* Given a call expression or template-id expression to a concept EXPR | ||||
| 424 | possibly including a wildcard, deduce the concept being checked and | ||||
| 425 | the prototype parameter. Returns true if the constraint and prototype | ||||
| 426 | can be deduced and false otherwise. Note that the CHECK and PROTO | ||||
| 427 | arguments are set to NULL_TREE if this returns false. */ | ||||
| 428 | |||||
| 429 | bool | ||||
| 430 | deduce_constrained_parameter (tree expr, tree& check, tree& proto) | ||||
| 431 | { | ||||
| 432 | tree info = resolve_concept_check (expr); | ||||
| 433 | if (info && info != error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 434 | { | ||||
| 435 | check = TREE_VALUE (info)((tree_check ((info), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 435, __FUNCTION__, (TREE_LIST)))->list.value); | ||||
| 436 | tree arg = TREE_VEC_ELT (TREE_PURPOSE (info), 0)(*((const_cast<tree *> (tree_vec_elt_check ((((tree_check ((info), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 436, __FUNCTION__, (TREE_LIST)))->list.purpose)), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 436, __FUNCTION__))))); | ||||
| 437 | if (ARGUMENT_PACK_P (arg)(((enum tree_code) (arg)->base.code) == TYPE_ARGUMENT_PACK || ((enum tree_code) (arg)->base.code) == NONTYPE_ARGUMENT_PACK )) | ||||
| 438 | arg = TREE_VEC_ELT (ARGUMENT_PACK_ARGS (arg), 0)(*((const_cast<tree *> (tree_vec_elt_check (((((enum tree_code ) (arg)->base.code) == TYPE_ARGUMENT_PACK? ((contains_struct_check ((arg), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 438, __FUNCTION__))->typed.type) : (*((const_cast<tree *> (tree_operand_check ((arg), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 438, __FUNCTION__))))))), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 438, __FUNCTION__))))); | ||||
| 439 | proto = TREE_TYPE (arg)((contains_struct_check ((arg), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 439, __FUNCTION__))->typed.type); | ||||
| 440 | return true; | ||||
| 441 | } | ||||
| 442 | |||||
| 443 | check = proto = NULL_TREE(tree) __null; | ||||
| 444 | return false; | ||||
| 445 | } | ||||
| 446 | |||||
| 447 | /* Given a call expression or template-id expression to a concept, EXPR, | ||||
| 448 | deduce the concept being checked and return the template arguments. | ||||
| 449 | Returns NULL_TREE if deduction fails. */ | ||||
| 450 | static tree | ||||
| 451 | deduce_concept_introduction (tree check) | ||||
| 452 | { | ||||
| 453 | tree info = resolve_concept_check (check); | ||||
| 454 | if (info && info != error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 455 | return TREE_PURPOSE (info)((tree_check ((info), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 455, __FUNCTION__, (TREE_LIST)))->list.purpose); | ||||
| 456 | return NULL_TREE(tree) __null; | ||||
| 457 | } | ||||
| 458 | |||||
| 459 | /* Build a constrained placeholder type where SPEC is a type-constraint. | ||||
| 460 | SPEC can be anything were concept_definition_p is true. | ||||
| 461 | |||||
| 462 | If DECLTYPE_P is true, then the placeholder is decltype(auto). | ||||
| 463 | |||||
| 464 | Returns a pair whose FIRST is the concept being checked and whose | ||||
| 465 | SECOND is the prototype parameter. */ | ||||
| 466 | |||||
| 467 | tree_pair | ||||
| 468 | finish_type_constraints (tree spec, tree args, tsubst_flags_t complain) | ||||
| 469 | { | ||||
| 470 | gcc_assert (concept_definition_p (spec))((void)(!(concept_definition_p (spec)) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 470, __FUNCTION__), 0 : 0)); | ||||
| 471 | |||||
| 472 | /* Build an initial concept check. */ | ||||
| 473 | tree check = build_type_constraint (spec, args, complain); | ||||
| 474 | if (check == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 475 | return std::make_pair (error_mark_nodeglobal_trees[TI_ERROR_MARK], NULL_TREE(tree) __null); | ||||
| 476 | |||||
| 477 | /* Extract the concept and prototype parameter from the check. */ | ||||
| 478 | tree con; | ||||
| 479 | tree proto; | ||||
| 480 | if (!deduce_constrained_parameter (check, con, proto)) | ||||
| 481 | return std::make_pair (error_mark_nodeglobal_trees[TI_ERROR_MARK], NULL_TREE(tree) __null); | ||||
| 482 | |||||
| 483 | return std::make_pair (con, proto); | ||||
| 484 | } | ||||
| 485 | |||||
| 486 | /*--------------------------------------------------------------------------- | ||||
| 487 | Expansion of concept definitions | ||||
| 488 | ---------------------------------------------------------------------------*/ | ||||
| 489 | |||||
| 490 | /* Returns the expression of a function concept. */ | ||||
| 491 | |||||
| 492 | static tree | ||||
| 493 | get_returned_expression (tree fn) | ||||
| 494 | { | ||||
| 495 | /* Extract the body of the function minus the return expression. */ | ||||
| 496 | tree body = DECL_SAVED_TREE (fn)((tree_check ((fn), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 496, __FUNCTION__, (FUNCTION_DECL)))->function_decl.saved_tree ); | ||||
| 497 | if (!body) | ||||
| 498 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 499 | if (TREE_CODE (body)((enum tree_code) (body)->base.code) == BIND_EXPR) | ||||
| 500 | body = BIND_EXPR_BODY (body)((*((const_cast<tree*> (tree_operand_check (((tree_check ((body), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 500, __FUNCTION__, (BIND_EXPR)))), (1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 500, __FUNCTION__)))))); | ||||
| 501 | if (TREE_CODE (body)((enum tree_code) (body)->base.code) != RETURN_EXPR) | ||||
| 502 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 503 | |||||
| 504 | return TREE_OPERAND (body, 0)(*((const_cast<tree*> (tree_operand_check ((body), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 504, __FUNCTION__))))); | ||||
| 505 | } | ||||
| 506 | |||||
| 507 | /* Returns the initializer of a variable concept. */ | ||||
| 508 | |||||
| 509 | static tree | ||||
| 510 | get_variable_initializer (tree var) | ||||
| 511 | { | ||||
| 512 | tree init = DECL_INITIAL (var)((contains_struct_check ((var), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 512, __FUNCTION__))->decl_common.initial); | ||||
| 513 | if (!init) | ||||
| 514 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 515 | if (BRACE_ENCLOSED_INITIALIZER_P (init)(((enum tree_code) (init)->base.code) == CONSTRUCTOR && ((contains_struct_check ((init), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 515, __FUNCTION__))->typed.type) == cp_global_trees[CPTI_INIT_LIST_TYPE ]) | ||||
| 516 | && CONSTRUCTOR_NELTS (init)(vec_safe_length (((tree_check ((init), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 516, __FUNCTION__, (CONSTRUCTOR)))->constructor.elts))) == 1) | ||||
| 517 | init = CONSTRUCTOR_ELT (init, 0)(&(*((tree_check ((init), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 517, __FUNCTION__, (CONSTRUCTOR)))->constructor.elts))[0 ])->value; | ||||
| 518 | return init; | ||||
| 519 | } | ||||
| 520 | |||||
| 521 | /* Returns the definition of a variable or function concept. */ | ||||
| 522 | |||||
| 523 | static tree | ||||
| 524 | get_concept_definition (tree decl) | ||||
| 525 | { | ||||
| 526 | if (TREE_CODE (decl)((enum tree_code) (decl)->base.code) == OVERLOAD) | ||||
| 527 | decl = OVL_FIRST (decl)ovl_first (decl); | ||||
| 528 | |||||
| 529 | if (TREE_CODE (decl)((enum tree_code) (decl)->base.code) == TEMPLATE_DECL) | ||||
| 530 | decl = DECL_TEMPLATE_RESULT (decl)((struct tree_template_decl *)(const_cast<union tree_node * > ((((tree_check ((decl), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 530, __FUNCTION__, (TEMPLATE_DECL))))))))->result; | ||||
| 531 | |||||
| 532 | if (TREE_CODE (decl)((enum tree_code) (decl)->base.code) == CONCEPT_DECL) | ||||
| 533 | return DECL_INITIAL (decl)((contains_struct_check ((decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 533, __FUNCTION__))->decl_common.initial); | ||||
| 534 | if (VAR_P (decl)(((enum tree_code) (decl)->base.code) == VAR_DECL)) | ||||
| 535 | return get_variable_initializer (decl); | ||||
| 536 | if (TREE_CODE (decl)((enum tree_code) (decl)->base.code) == FUNCTION_DECL) | ||||
| 537 | return get_returned_expression (decl); | ||||
| 538 | gcc_unreachable ()(fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 538, __FUNCTION__)); | ||||
| 539 | } | ||||
| 540 | |||||
| 541 | /*--------------------------------------------------------------------------- | ||||
| 542 | Normalization of expressions | ||||
| 543 | |||||
| 544 | This set of functions will transform an expression into a constraint | ||||
| 545 | in a sequence of steps. | ||||
| 546 | ---------------------------------------------------------------------------*/ | ||||
| 547 | |||||
| 548 | void | ||||
| 549 | debug_parameter_mapping (tree map) | ||||
| 550 | { | ||||
| 551 | for (tree p = map; p; p = TREE_CHAIN (p)((contains_struct_check ((p), (TS_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 551, __FUNCTION__))->common.chain)) | ||||
| 552 | { | ||||
| 553 | tree parm = TREE_VALUE (p)((tree_check ((p), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 553, __FUNCTION__, (TREE_LIST)))->list.value); | ||||
| 554 | tree arg = TREE_PURPOSE (p)((tree_check ((p), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 554, __FUNCTION__, (TREE_LIST)))->list.purpose); | ||||
| 555 | if (TYPE_P (parm)(tree_code_type[(int) (((enum tree_code) (parm)->base.code ))] == tcc_type)) | ||||
| 556 | verbatim ("MAP %qD TO %qT", TEMPLATE_TYPE_DECL (parm)((((template_parm_index*)(tree_check (((((tree_class_check (( (tree_check3 (((parm)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 556, __FUNCTION__, (TEMPLATE_TYPE_PARM), (TEMPLATE_TEMPLATE_PARM ), (BOUND_TEMPLATE_TEMPLATE_PARM)))), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 556, __FUNCTION__))->type_non_common.values))), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 556, __FUNCTION__, (TEMPLATE_PARM_INDEX))))->decl)), arg); | ||||
| 557 | else | ||||
| 558 | verbatim ("MAP %qD TO %qE", TEMPLATE_PARM_DECL (parm)(((template_parm_index*)(tree_check ((parm), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 558, __FUNCTION__, (TEMPLATE_PARM_INDEX))))->decl), arg); | ||||
| 559 | // debug_tree (parm); | ||||
| 560 | // debug_tree (arg); | ||||
| 561 | } | ||||
| 562 | } | ||||
| 563 | |||||
| 564 | void | ||||
| 565 | debug_argument_list (tree args) | ||||
| 566 | { | ||||
| 567 | for (int i = 0; i < TREE_VEC_LENGTH (args)((tree_check ((args), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 567, __FUNCTION__, (TREE_VEC)))->base.u.length); ++i) | ||||
| 568 | { | ||||
| 569 | tree arg = TREE_VEC_ELT (args, i)(*((const_cast<tree *> (tree_vec_elt_check ((args), (i) , "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 569, __FUNCTION__))))); | ||||
| 570 | if (TYPE_P (arg)(tree_code_type[(int) (((enum tree_code) (arg)->base.code) )] == tcc_type)) | ||||
| 571 | verbatim ("argument %qT", arg); | ||||
| 572 | else | ||||
| 573 | verbatim ("argument %qE", arg); | ||||
| 574 | } | ||||
| 575 | } | ||||
| 576 | |||||
| 577 | /* Associate each parameter in PARMS with its corresponding template | ||||
| 578 | argument in ARGS. */ | ||||
| 579 | |||||
| 580 | static tree | ||||
| 581 | map_arguments (tree parms, tree args) | ||||
| 582 | { | ||||
| 583 | for (tree p = parms; p; p = TREE_CHAIN (p)((contains_struct_check ((p), (TS_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 583, __FUNCTION__))->common.chain)) | ||||
| 584 | if (args) | ||||
| 585 | { | ||||
| 586 | int level; | ||||
| 587 | int index; | ||||
| 588 | template_parm_level_and_index (TREE_VALUE (p)((tree_check ((p), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 588, __FUNCTION__, (TREE_LIST)))->list.value), &level, &index); | ||||
| 589 | TREE_PURPOSE (p)((tree_check ((p), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 589, __FUNCTION__, (TREE_LIST)))->list.purpose) = TMPL_ARG (args, level, index)((*((const_cast<tree *> (tree_vec_elt_check ((((args && ((tree_check ((args), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 589, __FUNCTION__, (TREE_VEC)))->base.u.length) && (*((const_cast<tree *> (tree_vec_elt_check ((args), (0 ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 589, __FUNCTION__))))) && ((enum tree_code) ((*((const_cast <tree *> (tree_vec_elt_check ((args), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 589, __FUNCTION__))))))->base.code) == TREE_VEC) ? (*((const_cast <tree *> (tree_vec_elt_check ((args), ((level) - 1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 589, __FUNCTION__))))) : (args))), (index), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 589, __FUNCTION__)))))); | ||||
| 590 | } | ||||
| 591 | else | ||||
| 592 | TREE_PURPOSE (p)((tree_check ((p), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 592, __FUNCTION__, (TREE_LIST)))->list.purpose) = template_parm_to_arg (p); | ||||
| 593 | |||||
| 594 | return parms; | ||||
| 595 | } | ||||
| 596 | |||||
| 597 | /* Build the parameter mapping for EXPR using ARGS. */ | ||||
| 598 | |||||
| 599 | static tree | ||||
| 600 | build_parameter_mapping (tree expr, tree args, tree decl) | ||||
| 601 | { | ||||
| 602 | tree ctx_parms = NULL_TREE(tree) __null; | ||||
| 603 | if (decl) | ||||
| 604 | { | ||||
| 605 | gcc_assert (TREE_CODE (decl) == TEMPLATE_DECL)((void)(!(((enum tree_code) (decl)->base.code) == TEMPLATE_DECL ) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 605, __FUNCTION__), 0 : 0)); | ||||
| 606 | ctx_parms = DECL_TEMPLATE_PARMS (decl)((struct tree_template_decl *)(const_cast<union tree_node * > ((((tree_check ((decl), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 606, __FUNCTION__, (TEMPLATE_DECL))))))))->arguments; | ||||
| 607 | } | ||||
| 608 | else if (current_template_parmsscope_chain->template_parms) | ||||
| 609 | { | ||||
| 610 | /* TODO: This should probably be the only case, but because the | ||||
| 611 | point of declaration of concepts is currently set after the | ||||
| 612 | initializer, the template parameter lists are not available | ||||
| 613 | when normalizing concept definitions, hence the case above. */ | ||||
| 614 | ctx_parms = current_template_parmsscope_chain->template_parms; | ||||
| 615 | } | ||||
| 616 | |||||
| 617 | tree parms = find_template_parameters (expr, ctx_parms); | ||||
| 618 | tree map = map_arguments (parms, args); | ||||
| 619 | return map; | ||||
| 620 | } | ||||
| 621 | |||||
| 622 | /* True if the parameter mappings of two atomic constraints formed | ||||
| 623 | from the same expression are equivalent. */ | ||||
| 624 | |||||
| 625 | static bool | ||||
| 626 | parameter_mapping_equivalent_p (tree t1, tree t2) | ||||
| 627 | { | ||||
| 628 | tree map1 = ATOMIC_CONSTR_MAP (t1)(*((const_cast<tree*> (tree_operand_check (((tree_check ((t1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 628, __FUNCTION__, (ATOMIC_CONSTR)))), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 628, __FUNCTION__))))); | ||||
| 629 | tree map2 = ATOMIC_CONSTR_MAP (t2)(*((const_cast<tree*> (tree_operand_check (((tree_check ((t2), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 629, __FUNCTION__, (ATOMIC_CONSTR)))), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 629, __FUNCTION__))))); | ||||
| 630 | while (map1 && map2) | ||||
| 631 | { | ||||
| 632 | gcc_checking_assert (TREE_VALUE (map1) == TREE_VALUE (map2))((void)(!(((tree_check ((map1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 632, __FUNCTION__, (TREE_LIST)))->list.value) == ((tree_check ((map2), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 632, __FUNCTION__, (TREE_LIST)))->list.value)) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 632, __FUNCTION__), 0 : 0)); | ||||
| 633 | tree arg1 = TREE_PURPOSE (map1)((tree_check ((map1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 633, __FUNCTION__, (TREE_LIST)))->list.purpose); | ||||
| 634 | tree arg2 = TREE_PURPOSE (map2)((tree_check ((map2), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 634, __FUNCTION__, (TREE_LIST)))->list.purpose); | ||||
| 635 | if (!template_args_equal (arg1, arg2)) | ||||
| 636 | return false; | ||||
| 637 | map1 = TREE_CHAIN (map1)((contains_struct_check ((map1), (TS_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 637, __FUNCTION__))->common.chain); | ||||
| 638 | map2 = TREE_CHAIN (map2)((contains_struct_check ((map2), (TS_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 638, __FUNCTION__))->common.chain); | ||||
| 639 | } | ||||
| 640 | gcc_checking_assert (!map1 && !map2)((void)(!(!map1 && !map2) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 640, __FUNCTION__), 0 : 0)); | ||||
| 641 | return true; | ||||
| 642 | } | ||||
| 643 | |||||
| 644 | /* Provides additional context for normalization. */ | ||||
| 645 | |||||
| 646 | struct norm_info : subst_info | ||||
| 647 | { | ||||
| 648 | explicit norm_info (tsubst_flags_t complain) | ||||
| 649 | : subst_info (tf_warning_or_error | complain, NULL_TREE(tree) __null), | ||||
| 650 | context() | ||||
| 651 | {} | ||||
| 652 | |||||
| 653 | /* Construct a top-level context for DECL. */ | ||||
| 654 | |||||
| 655 | norm_info (tree in_decl, tsubst_flags_t complain) | ||||
| 656 | : subst_info (tf_warning_or_error | complain, in_decl), | ||||
| 657 | context (make_context (in_decl)), | ||||
| 658 | orig_decl (in_decl) | ||||
| 659 | {} | ||||
| 660 | |||||
| 661 | bool generate_diagnostics() const | ||||
| 662 | { | ||||
| 663 | return complain & tf_norm; | ||||
| 664 | } | ||||
| 665 | |||||
| 666 | tree make_context(tree in_decl) | ||||
| 667 | { | ||||
| 668 | if (generate_diagnostics ()) | ||||
| 669 | return build_tree_list (NULL_TREE(tree) __null, in_decl); | ||||
| 670 | return NULL_TREE(tree) __null; | ||||
| 671 | } | ||||
| 672 | |||||
| 673 | void update_context(tree expr, tree args) | ||||
| 674 | { | ||||
| 675 | if (generate_diagnostics ()) | ||||
| 676 | { | ||||
| 677 | tree map = build_parameter_mapping (expr, args, in_decl); | ||||
| 678 | context = tree_cons (map, expr, context); | ||||
| 679 | } | ||||
| 680 | in_decl = get_concept_check_template (expr); | ||||
| 681 | } | ||||
| 682 | |||||
| 683 | /* Provides information about the source of a constraint. This is a | ||||
| 684 | TREE_LIST whose VALUE is either a concept check or a constrained | ||||
| 685 | declaration. The PURPOSE, for concept checks is a parameter mapping | ||||
| 686 | for that check. */ | ||||
| 687 | |||||
| 688 | tree context; | ||||
| 689 | |||||
| 690 | /* The declaration whose constraints we're normalizing. The targets | ||||
| 691 | of the parameter mapping of each atom will be in terms of the | ||||
| 692 | template parameters of ORIG_DECL. */ | ||||
| 693 | |||||
| 694 | tree orig_decl = NULL_TREE(tree) __null; | ||||
| 695 | }; | ||||
| 696 | |||||
| 697 | static tree normalize_expression (tree, tree, norm_info); | ||||
| 698 | |||||
| 699 | /* Transform a logical-or or logical-and expression into either | ||||
| 700 | a conjunction or disjunction. */ | ||||
| 701 | |||||
| 702 | static tree | ||||
| 703 | normalize_logical_operation (tree t, tree args, tree_code c, norm_info info) | ||||
| 704 | { | ||||
| 705 | tree t0 = normalize_expression (TREE_OPERAND (t, 0)(*((const_cast<tree*> (tree_operand_check ((t), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 705, __FUNCTION__))))), args, info); | ||||
| 706 | tree t1 = normalize_expression (TREE_OPERAND (t, 1)(*((const_cast<tree*> (tree_operand_check ((t), (1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 706, __FUNCTION__))))), args, info); | ||||
| 707 | |||||
| 708 | /* Build a new info object for the constraint. */ | ||||
| 709 | tree ci = info.generate_diagnostics() | ||||
| 710 | ? build_tree_list (t, info.context) | ||||
| 711 | : NULL_TREE(tree) __null; | ||||
| 712 | |||||
| 713 | return build2 (c, ci, t0, t1); | ||||
| 714 | } | ||||
| 715 | |||||
| 716 | static tree | ||||
| 717 | normalize_concept_check (tree check, tree args, norm_info info) | ||||
| 718 | { | ||||
| 719 | tree id = unpack_concept_check (check); | ||||
| 720 | tree tmpl = TREE_OPERAND (id, 0)(*((const_cast<tree*> (tree_operand_check ((id), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 720, __FUNCTION__))))); | ||||
| 721 | tree targs = TREE_OPERAND (id, 1)(*((const_cast<tree*> (tree_operand_check ((id), (1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 721, __FUNCTION__))))); | ||||
| 722 | |||||
| 723 | /* A function concept is wrapped in an overload. */ | ||||
| 724 | if (TREE_CODE (tmpl)((enum tree_code) (tmpl)->base.code) == OVERLOAD) | ||||
| 725 | { | ||||
| 726 | /* TODO: Can we diagnose this error during parsing? */ | ||||
| 727 | if (TREE_CODE (check)((enum tree_code) (check)->base.code) == TEMPLATE_ID_EXPR) | ||||
| 728 | error_at (EXPR_LOC_OR_LOC (check, input_location)((((IS_ADHOC_LOC (((((check)) && ((tree_code_type[(int ) (((enum tree_code) ((check))->base.code))]) >= tcc_reference && (tree_code_type[(int) (((enum tree_code) ((check) )->base.code))]) <= tcc_expression)) ? (check)->exp. locus : ((location_t) 0)))) ? get_location_from_adhoc_loc (line_table , ((((check)) && ((tree_code_type[(int) (((enum tree_code ) ((check))->base.code))]) >= tcc_reference && ( tree_code_type[(int) (((enum tree_code) ((check))->base.code ))]) <= tcc_expression)) ? (check)->exp.locus : ((location_t ) 0))) : (((((check)) && ((tree_code_type[(int) (((enum tree_code) ((check))->base.code))]) >= tcc_reference && (tree_code_type[(int) (((enum tree_code) ((check))->base. code))]) <= tcc_expression)) ? (check)->exp.locus : ((location_t ) 0)))) != ((location_t) 0)) ? (check)->exp.locus : (input_location )), | ||||
| 729 | "function concept must be called"); | ||||
| 730 | tmpl = OVL_FIRST (tmpl)ovl_first (tmpl); | ||||
| 731 | } | ||||
| 732 | |||||
| 733 | /* Substitute through the arguments of the concept check. */ | ||||
| 734 | if (args) | ||||
| 735 | targs = tsubst_template_args (targs, args, info.complain, info.in_decl); | ||||
| 736 | if (targs == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 737 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 738 | |||||
| 739 | /* Build the substitution for the concept definition. */ | ||||
| 740 | tree parms = TREE_VALUE (DECL_TEMPLATE_PARMS (tmpl))((tree_check ((((struct tree_template_decl *)(const_cast<union tree_node *> ((((tree_check ((tmpl), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 740, __FUNCTION__, (TEMPLATE_DECL))))))))->arguments), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 740, __FUNCTION__, (TREE_LIST)))->list.value); | ||||
| 741 | /* Turn on template processing; coercing non-type template arguments | ||||
| 742 | will automatically assume they're non-dependent. */ | ||||
| 743 | ++processing_template_declscope_chain->x_processing_template_decl; | ||||
| 744 | tree subst = coerce_template_parms (parms, targs, tmpl); | ||||
| 745 | --processing_template_declscope_chain->x_processing_template_decl; | ||||
| 746 | if (subst == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 747 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 748 | |||||
| 749 | /* The concept may have been ill-formed. */ | ||||
| 750 | tree def = get_concept_definition (DECL_TEMPLATE_RESULT (tmpl)((struct tree_template_decl *)(const_cast<union tree_node * > ((((tree_check ((tmpl), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 750, __FUNCTION__, (TEMPLATE_DECL))))))))->result); | ||||
| 751 | if (def == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 752 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 753 | |||||
| 754 | info.update_context (check, args); | ||||
| 755 | return normalize_expression (def, subst, info); | ||||
| 756 | } | ||||
| 757 | |||||
| 758 | /* Used by normalize_atom to cache ATOMIC_CONSTRs. */ | ||||
| 759 | |||||
| 760 | static GTY((deletable)) hash_table<atom_hasher> *atom_cache; | ||||
| 761 | |||||
| 762 | /* The normal form of an atom depends on the expression. The normal | ||||
| 763 | form of a function call to a function concept is a check constraint | ||||
| 764 | for that concept. The normal form of a reference to a variable | ||||
| 765 | concept is a check constraint for that concept. Otherwise, the | ||||
| 766 | constraint is a predicate constraint. */ | ||||
| 767 | |||||
| 768 | static tree | ||||
| 769 | normalize_atom (tree t, tree args, norm_info info) | ||||
| 770 | { | ||||
| 771 | /* Concept checks are not atomic. */ | ||||
| 772 | if (concept_check_p (t)) | ||||
| 773 | return normalize_concept_check (t, args, info); | ||||
| 774 | |||||
| 775 | /* Build the parameter mapping for the atom. */ | ||||
| 776 | tree map = build_parameter_mapping (t, args, info.in_decl); | ||||
| 777 | |||||
| 778 | /* Build a new info object for the atom. */ | ||||
| 779 | tree ci = build_tree_list (t, info.context); | ||||
| 780 | |||||
| 781 | tree atom = build1 (ATOMIC_CONSTR, ci, map); | ||||
| 782 | if (!info.generate_diagnostics ()) | ||||
| 783 | { | ||||
| 784 | /* Cache the ATOMIC_CONSTRs that we return, so that sat_hasher::equal | ||||
| 785 | later can cheaply compare two atoms using just pointer equality. */ | ||||
| 786 | if (!atom_cache) | ||||
| 787 | atom_cache = hash_table<atom_hasher>::create_ggc (31); | ||||
| 788 | tree *slot = atom_cache->find_slot (atom, INSERT); | ||||
| 789 | if (*slot) | ||||
| 790 | return *slot; | ||||
| 791 | |||||
| 792 | /* Find all template parameters used in the targets of the parameter | ||||
| 793 | mapping, and store a list of them in the TREE_TYPE of the mapping. | ||||
| 794 | This list will be used by sat_hasher to determine the subset of | ||||
| 795 | supplied template arguments that the satisfaction value of the atom | ||||
| 796 | depends on. */ | ||||
| 797 | if (map) | ||||
| 798 | { | ||||
| 799 | tree targets = make_tree_vec (list_length (map)); | ||||
| 800 | int i = 0; | ||||
| 801 | for (tree node = map; node; node = TREE_CHAIN (node)((contains_struct_check ((node), (TS_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 801, __FUNCTION__))->common.chain)) | ||||
| 802 | { | ||||
| 803 | tree target = TREE_PURPOSE (node)((tree_check ((node), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 803, __FUNCTION__, (TREE_LIST)))->list.purpose); | ||||
| 804 | TREE_VEC_ELT (targets, i++)(*((const_cast<tree *> (tree_vec_elt_check ((targets), ( i++), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 804, __FUNCTION__))))) = target; | ||||
| 805 | } | ||||
| 806 | tree ctx_parms = (info.orig_decl | ||||
| 807 | ? DECL_TEMPLATE_PARMS (info.orig_decl)((struct tree_template_decl *)(const_cast<union tree_node * > ((((tree_check ((info.orig_decl), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 807, __FUNCTION__, (TEMPLATE_DECL))))))))->arguments | ||||
| 808 | : current_template_parmsscope_chain->template_parms); | ||||
| 809 | tree target_parms = find_template_parameters (targets, ctx_parms); | ||||
| 810 | TREE_TYPE (map)((contains_struct_check ((map), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 810, __FUNCTION__))->typed.type) = target_parms; | ||||
| 811 | } | ||||
| 812 | |||||
| 813 | *slot = atom; | ||||
| 814 | } | ||||
| 815 | return atom; | ||||
| 816 | } | ||||
| 817 | |||||
| 818 | /* Returns the normal form of an expression. */ | ||||
| 819 | |||||
| 820 | static tree | ||||
| 821 | normalize_expression (tree t, tree args, norm_info info) | ||||
| 822 | { | ||||
| 823 | if (!t) | ||||
| 824 | return NULL_TREE(tree) __null; | ||||
| 825 | |||||
| 826 | if (t == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 827 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 828 | |||||
| 829 | switch (TREE_CODE (t)((enum tree_code) (t)->base.code)) | ||||
| 830 | { | ||||
| 831 | case TRUTH_ANDIF_EXPR: | ||||
| 832 | return normalize_logical_operation (t, args, CONJ_CONSTR, info); | ||||
| 833 | case TRUTH_ORIF_EXPR: | ||||
| 834 | return normalize_logical_operation (t, args, DISJ_CONSTR, info); | ||||
| 835 | default: | ||||
| 836 | return normalize_atom (t, args, info); | ||||
| 837 | } | ||||
| 838 | } | ||||
| 839 | |||||
| 840 | /* Cache of the normalized form of constraints. Marked as deletable because it | ||||
| 841 | can all be recalculated. */ | ||||
| 842 | static GTY((deletable)) hash_map<tree,tree> *normalized_map; | ||||
| 843 | |||||
| 844 | static tree | ||||
| 845 | get_normalized_constraints (tree t, norm_info info) | ||||
| 846 | { | ||||
| 847 | auto_timevar time (TV_CONSTRAINT_NORM); | ||||
| 848 | return normalize_expression (t, NULL_TREE(tree) __null, info); | ||||
| 849 | } | ||||
| 850 | |||||
| 851 | /* Returns the normalized constraints from a constraint-info object | ||||
| 852 | or NULL_TREE if the constraints are null. IN_DECL provides the | ||||
| 853 | declaration to which the constraints belong. */ | ||||
| 854 | |||||
| 855 | static tree | ||||
| 856 | get_normalized_constraints_from_info (tree ci, tree in_decl, bool diag = false) | ||||
| 857 | { | ||||
| 858 | if (ci == NULL_TREE(tree) __null) | ||||
| 859 | return NULL_TREE(tree) __null; | ||||
| 860 | |||||
| 861 | /* Substitution errors during normalization are fatal. */ | ||||
| 862 | ++processing_template_declscope_chain->x_processing_template_decl; | ||||
| 863 | norm_info info (in_decl, diag ? tf_norm : tf_none); | ||||
| 864 | tree t = get_normalized_constraints (CI_ASSOCIATED_CONSTRAINTS (ci)check_constraint_info (check_nonnull (ci))->associated_constr, info); | ||||
| 865 | --processing_template_declscope_chain->x_processing_template_decl; | ||||
| 866 | |||||
| 867 | return t; | ||||
| 868 | } | ||||
| 869 | |||||
| 870 | /* Returns the normalized constraints for the declaration D. */ | ||||
| 871 | |||||
| 872 | static tree | ||||
| 873 | get_normalized_constraints_from_decl (tree d, bool diag = false) | ||||
| 874 | { | ||||
| 875 | tree tmpl; | ||||
| 876 | tree decl; | ||||
| 877 | |||||
| 878 | /* For inherited constructors, consider the original declaration; | ||||
| 879 | it has the correct template information attached. */ | ||||
| 880 | d = strip_inheriting_ctors (d); | ||||
| 881 | |||||
| 882 | if (TREE_CODE (d)((enum tree_code) (d)->base.code) == TEMPLATE_DECL) | ||||
| 883 | { | ||||
| 884 | tmpl = d; | ||||
| 885 | decl = DECL_TEMPLATE_RESULT (tmpl)((struct tree_template_decl *)(const_cast<union tree_node * > ((((tree_check ((tmpl), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 885, __FUNCTION__, (TEMPLATE_DECL))))))))->result; | ||||
| 886 | } | ||||
| 887 | else | ||||
| 888 | { | ||||
| 889 | if (tree ti = DECL_TEMPLATE_INFO (d)(((contains_struct_check ((template_info_decl_check ((d), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 889, __FUNCTION__)), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 889, __FUNCTION__))->decl_common.lang_specific) ->u.min .template_info)) | ||||
| 890 | tmpl = TI_TEMPLATE (ti)((struct tree_template_info*)(tree_check ((ti), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 890, __FUNCTION__, (TEMPLATE_INFO))))->tmpl; | ||||
| 891 | else | ||||
| 892 | tmpl = NULL_TREE(tree) __null; | ||||
| 893 | decl = d; | ||||
| 894 | } | ||||
| 895 | |||||
| 896 | /* Get the most general template for the declaration, and compute | ||||
| 897 | arguments from that. This ensures that the arguments used for | ||||
| 898 | normalization are always template parameters and not arguments | ||||
| 899 | used for outer specializations. For example: | ||||
| 900 | |||||
| 901 | template<typename T> | ||||
| 902 | struct S { | ||||
| 903 | template<typename U> requires C<T, U> void f(U); | ||||
| 904 | }; | ||||
| 905 | |||||
| 906 | S<int>::f(0); | ||||
| 907 | |||||
| 908 | When we normalize the requirements for S<int>::f, we want the | ||||
| 909 | arguments to be {T, U}, not {int, U}. One reason for this is that | ||||
| 910 | accepting the latter causes the template parameter level of U | ||||
| 911 | to be reduced in a way that makes it overly difficult substitute | ||||
| 912 | concrete arguments (i.e., eventually {int, int} during satisfaction. */ | ||||
| 913 | if (tmpl) | ||||
| 914 | { | ||||
| 915 | if (DECL_LANG_SPECIFIC(tmpl)((contains_struct_check ((tmpl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 915, __FUNCTION__))->decl_common.lang_specific) && !DECL_TEMPLATE_SPECIALIZATION (tmpl)((((contains_struct_check ((tmpl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 915, __FUNCTION__))->decl_common.lang_specific)->u.base .use_template) == 2)) | ||||
| 916 | tmpl = most_general_template (tmpl); | ||||
| 917 | } | ||||
| 918 | |||||
| 919 | /* If we're not diagnosing errors, use cached constraints, if any. */ | ||||
| 920 | if (!diag) | ||||
| 921 | if (tree *p = hash_map_safe_get (normalized_map, tmpl)) | ||||
| 922 | return *p; | ||||
| 923 | |||||
| 924 | tree norm = NULL_TREE(tree) __null; | ||||
| 925 | if (tree ci = get_constraints (decl)) | ||||
| 926 | { | ||||
| 927 | push_nested_class_guard pncs (DECL_CONTEXT (d)((contains_struct_check ((d), (TS_DECL_MINIMAL), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 927, __FUNCTION__))->decl_minimal.context)); | ||||
| 928 | |||||
| 929 | temp_override<tree> ovr (current_function_decl); | ||||
| 930 | if (TREE_CODE (decl)((enum tree_code) (decl)->base.code) == FUNCTION_DECL) | ||||
| 931 | current_function_decl = decl; | ||||
| 932 | |||||
| 933 | norm = get_normalized_constraints_from_info (ci, tmpl, diag); | ||||
| 934 | } | ||||
| 935 | |||||
| 936 | if (!diag) | ||||
| 937 | hash_map_safe_put<hm_ggc> (normalized_map, tmpl, norm); | ||||
| 938 | |||||
| 939 | return norm; | ||||
| 940 | } | ||||
| 941 | |||||
| 942 | /* Returns the normal form of TMPL's definition. */ | ||||
| 943 | |||||
| 944 | static tree | ||||
| 945 | normalize_concept_definition (tree tmpl, bool diag = false) | ||||
| 946 | { | ||||
| 947 | if (!diag) | ||||
| 948 | if (tree *p = hash_map_safe_get (normalized_map, tmpl)) | ||||
| 949 | return *p; | ||||
| 950 | |||||
| 951 | gcc_assert (concept_definition_p (tmpl))((void)(!(concept_definition_p (tmpl)) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 951, __FUNCTION__), 0 : 0)); | ||||
| 952 | if (OVL_P (tmpl)(((enum tree_code) (tmpl)->base.code) == FUNCTION_DECL || ( (enum tree_code) (tmpl)->base.code) == OVERLOAD)) | ||||
| 953 | tmpl = OVL_FIRST (tmpl)ovl_first (tmpl); | ||||
| 954 | gcc_assert (TREE_CODE (tmpl) == TEMPLATE_DECL)((void)(!(((enum tree_code) (tmpl)->base.code) == TEMPLATE_DECL ) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 954, __FUNCTION__), 0 : 0)); | ||||
| 955 | tree def = get_concept_definition (DECL_TEMPLATE_RESULT (tmpl)((struct tree_template_decl *)(const_cast<union tree_node * > ((((tree_check ((tmpl), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 955, __FUNCTION__, (TEMPLATE_DECL))))))))->result); | ||||
| 956 | ++processing_template_declscope_chain->x_processing_template_decl; | ||||
| 957 | norm_info info (tmpl, diag ? tf_norm : tf_none); | ||||
| 958 | tree norm = get_normalized_constraints (def, info); | ||||
| 959 | --processing_template_declscope_chain->x_processing_template_decl; | ||||
| 960 | |||||
| 961 | if (!diag) | ||||
| 962 | hash_map_safe_put<hm_ggc> (normalized_map, tmpl, norm); | ||||
| 963 | |||||
| 964 | return norm; | ||||
| 965 | } | ||||
| 966 | |||||
| 967 | /* Returns the normal form of TMPL's requirements. */ | ||||
| 968 | |||||
| 969 | static tree | ||||
| 970 | normalize_template_requirements (tree tmpl, bool diag = false) | ||||
| 971 | { | ||||
| 972 | return get_normalized_constraints_from_decl (tmpl, diag); | ||||
| 973 | } | ||||
| 974 | |||||
| 975 | /* Returns the normal form of TMPL's requirements. */ | ||||
| 976 | |||||
| 977 | static tree | ||||
| 978 | normalize_nontemplate_requirements (tree decl, bool diag = false) | ||||
| 979 | { | ||||
| 980 | return get_normalized_constraints_from_decl (decl, diag); | ||||
| 981 | } | ||||
| 982 | |||||
| 983 | /* Normalize an EXPR as a constraint. */ | ||||
| 984 | |||||
| 985 | static tree | ||||
| 986 | normalize_constraint_expression (tree expr, bool diag) | ||||
| 987 | { | ||||
| 988 | if (!expr || expr == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 989 | return expr; | ||||
| 990 | ++processing_template_declscope_chain->x_processing_template_decl; | ||||
| 991 | norm_info info (diag ? tf_norm : tf_none); | ||||
| 992 | tree norm = get_normalized_constraints (expr, info); | ||||
| 993 | --processing_template_declscope_chain->x_processing_template_decl; | ||||
| 994 | return norm; | ||||
| 995 | } | ||||
| 996 | |||||
| 997 | /* 17.4.1.2p2. Two constraints are identical if they are formed | ||||
| 998 | from the same expression and the targets of the parameter mapping | ||||
| 999 | are equivalent. */ | ||||
| 1000 | |||||
| 1001 | bool | ||||
| 1002 | atomic_constraints_identical_p (tree t1, tree t2) | ||||
| 1003 | { | ||||
| 1004 | gcc_assert (TREE_CODE (t1) == ATOMIC_CONSTR)((void)(!(((enum tree_code) (t1)->base.code) == ATOMIC_CONSTR ) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1004, __FUNCTION__), 0 : 0)); | ||||
| 1005 | gcc_assert (TREE_CODE (t2) == ATOMIC_CONSTR)((void)(!(((enum tree_code) (t2)->base.code) == ATOMIC_CONSTR ) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1005, __FUNCTION__), 0 : 0)); | ||||
| 1006 | |||||
| 1007 | if (ATOMIC_CONSTR_EXPR (t1)((tree_check ((((contains_struct_check (((tree_check3 (((tree_check ((t1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1007, __FUNCTION__, (ATOMIC_CONSTR)))), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1007, __FUNCTION__, (ATOMIC_CONSTR), (CONJ_CONSTR), (DISJ_CONSTR )))), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1007, __FUNCTION__))->typed.type)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1007, __FUNCTION__, (TREE_LIST)))->list.purpose) != ATOMIC_CONSTR_EXPR (t2)((tree_check ((((contains_struct_check (((tree_check3 (((tree_check ((t2), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1007, __FUNCTION__, (ATOMIC_CONSTR)))), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1007, __FUNCTION__, (ATOMIC_CONSTR), (CONJ_CONSTR), (DISJ_CONSTR )))), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1007, __FUNCTION__))->typed.type)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1007, __FUNCTION__, (TREE_LIST)))->list.purpose)) | ||||
| 1008 | return false; | ||||
| 1009 | |||||
| 1010 | if (!parameter_mapping_equivalent_p (t1, t2)) | ||||
| 1011 | return false; | ||||
| 1012 | |||||
| 1013 | return true; | ||||
| 1014 | } | ||||
| 1015 | |||||
| 1016 | /* True if T1 and T2 are equivalent, meaning they have the same syntactic | ||||
| 1017 | structure and all corresponding constraints are identical. */ | ||||
| 1018 | |||||
| 1019 | bool | ||||
| 1020 | constraints_equivalent_p (tree t1, tree t2) | ||||
| 1021 | { | ||||
| 1022 | gcc_assert (CONSTR_P (t1))((void)(!((((enum tree_code) (t1)->base.code) == ATOMIC_CONSTR || ((enum tree_code) (t1)->base.code) == CONJ_CONSTR || ( (enum tree_code) (t1)->base.code) == DISJ_CONSTR)) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1022, __FUNCTION__), 0 : 0)); | ||||
| 1023 | gcc_assert (CONSTR_P (t2))((void)(!((((enum tree_code) (t2)->base.code) == ATOMIC_CONSTR || ((enum tree_code) (t2)->base.code) == CONJ_CONSTR || ( (enum tree_code) (t2)->base.code) == DISJ_CONSTR)) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1023, __FUNCTION__), 0 : 0)); | ||||
| 1024 | |||||
| 1025 | if (TREE_CODE (t1)((enum tree_code) (t1)->base.code) != TREE_CODE (t2)((enum tree_code) (t2)->base.code)) | ||||
| 1026 | return false; | ||||
| 1027 | |||||
| 1028 | switch (TREE_CODE (t1)((enum tree_code) (t1)->base.code)) | ||||
| 1029 | { | ||||
| 1030 | case CONJ_CONSTR: | ||||
| 1031 | case DISJ_CONSTR: | ||||
| 1032 | if (!constraints_equivalent_p (TREE_OPERAND (t1, 0)(*((const_cast<tree*> (tree_operand_check ((t1), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1032, __FUNCTION__))))), TREE_OPERAND (t2, 0)(*((const_cast<tree*> (tree_operand_check ((t2), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1032, __FUNCTION__))))))) | ||||
| 1033 | return false; | ||||
| 1034 | if (!constraints_equivalent_p (TREE_OPERAND (t1, 1)(*((const_cast<tree*> (tree_operand_check ((t1), (1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1034, __FUNCTION__))))), TREE_OPERAND (t2, 1)(*((const_cast<tree*> (tree_operand_check ((t2), (1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1034, __FUNCTION__))))))) | ||||
| 1035 | return false; | ||||
| 1036 | break; | ||||
| 1037 | case ATOMIC_CONSTR: | ||||
| 1038 | if (!atomic_constraints_identical_p(t1, t2)) | ||||
| 1039 | return false; | ||||
| 1040 | break; | ||||
| 1041 | default: | ||||
| 1042 | gcc_unreachable ()(fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1042, __FUNCTION__)); | ||||
| 1043 | } | ||||
| 1044 | return true; | ||||
| 1045 | } | ||||
| 1046 | |||||
| 1047 | /* Compute the hash value for T. */ | ||||
| 1048 | |||||
| 1049 | hashval_t | ||||
| 1050 | hash_atomic_constraint (tree t) | ||||
| 1051 | { | ||||
| 1052 | gcc_assert (TREE_CODE (t) == ATOMIC_CONSTR)((void)(!(((enum tree_code) (t)->base.code) == ATOMIC_CONSTR ) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1052, __FUNCTION__), 0 : 0)); | ||||
| 1053 | |||||
| 1054 | /* Hash the identity of the expression. */ | ||||
| 1055 | hashval_t val = htab_hash_pointer (ATOMIC_CONSTR_EXPR (t)((tree_check ((((contains_struct_check (((tree_check3 (((tree_check ((t), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1055, __FUNCTION__, (ATOMIC_CONSTR)))), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1055, __FUNCTION__, (ATOMIC_CONSTR), (CONJ_CONSTR), (DISJ_CONSTR )))), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1055, __FUNCTION__))->typed.type)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1055, __FUNCTION__, (TREE_LIST)))->list.purpose)); | ||||
| 1056 | |||||
| 1057 | /* Hash the targets of the parameter map. */ | ||||
| 1058 | tree p = ATOMIC_CONSTR_MAP (t)(*((const_cast<tree*> (tree_operand_check (((tree_check ((t), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1058, __FUNCTION__, (ATOMIC_CONSTR)))), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1058, __FUNCTION__))))); | ||||
| 1059 | while (p) | ||||
| 1060 | { | ||||
| 1061 | val = iterative_hash_template_arg (TREE_PURPOSE (p)((tree_check ((p), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1061, __FUNCTION__, (TREE_LIST)))->list.purpose), val); | ||||
| 1062 | p = TREE_CHAIN (p)((contains_struct_check ((p), (TS_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1062, __FUNCTION__))->common.chain); | ||||
| 1063 | } | ||||
| 1064 | |||||
| 1065 | return val; | ||||
| 1066 | } | ||||
| 1067 | |||||
| 1068 | namespace inchash | ||||
| 1069 | { | ||||
| 1070 | |||||
| 1071 | static void | ||||
| 1072 | add_constraint (tree t, hash& h) | ||||
| 1073 | { | ||||
| 1074 | h.add_int(TREE_CODE (t)((enum tree_code) (t)->base.code)); | ||||
| 1075 | switch (TREE_CODE (t)((enum tree_code) (t)->base.code)) | ||||
| 1076 | { | ||||
| 1077 | case CONJ_CONSTR: | ||||
| 1078 | case DISJ_CONSTR: | ||||
| 1079 | add_constraint (TREE_OPERAND (t, 0)(*((const_cast<tree*> (tree_operand_check ((t), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1079, __FUNCTION__))))), h); | ||||
| 1080 | add_constraint (TREE_OPERAND (t, 1)(*((const_cast<tree*> (tree_operand_check ((t), (1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1080, __FUNCTION__))))), h); | ||||
| 1081 | break; | ||||
| 1082 | case ATOMIC_CONSTR: | ||||
| 1083 | h.merge_hash (hash_atomic_constraint (t)); | ||||
| 1084 | break; | ||||
| 1085 | default: | ||||
| 1086 | gcc_unreachable ()(fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1086, __FUNCTION__)); | ||||
| 1087 | } | ||||
| 1088 | } | ||||
| 1089 | |||||
| 1090 | } | ||||
| 1091 | |||||
| 1092 | /* Computes a hash code for the constraint T. */ | ||||
| 1093 | |||||
| 1094 | hashval_t | ||||
| 1095 | iterative_hash_constraint (tree t, hashval_t val) | ||||
| 1096 | { | ||||
| 1097 | gcc_assert (CONSTR_P (t))((void)(!((((enum tree_code) (t)->base.code) == ATOMIC_CONSTR || ((enum tree_code) (t)->base.code) == CONJ_CONSTR || (( enum tree_code) (t)->base.code) == DISJ_CONSTR)) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1097, __FUNCTION__), 0 : 0)); | ||||
| 1098 | inchash::hash h (val); | ||||
| 1099 | inchash::add_constraint (t, h); | ||||
| 1100 | return h.end (); | ||||
| 1101 | } | ||||
| 1102 | |||||
| 1103 | // -------------------------------------------------------------------------- // | ||||
| 1104 | // Constraint Semantic Processing | ||||
| 1105 | // | ||||
| 1106 | // The following functions are called by the parser and substitution rules | ||||
| 1107 | // to create and evaluate constraint-related nodes. | ||||
| 1108 | |||||
| 1109 | // The constraints associated with the current template parameters. | ||||
| 1110 | tree | ||||
| 1111 | current_template_constraints (void) | ||||
| 1112 | { | ||||
| 1113 | if (!current_template_parmsscope_chain->template_parms) | ||||
| 1114 | return NULL_TREE(tree) __null; | ||||
| 1115 | tree tmpl_constr = TEMPLATE_PARMS_CONSTRAINTS (current_template_parms)((contains_struct_check (((tree_check ((scope_chain->template_parms ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1115, __FUNCTION__, (TREE_LIST)))), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1115, __FUNCTION__))->typed.type); | ||||
| 1116 | return build_constraints (tmpl_constr, NULL_TREE(tree) __null); | ||||
| 1117 | } | ||||
| 1118 | |||||
| 1119 | /* If the recently parsed TYPE declares or defines a template or | ||||
| 1120 | template specialization, get its corresponding constraints from the | ||||
| 1121 | current template parameters and bind them to TYPE's declaration. */ | ||||
| 1122 | |||||
| 1123 | tree | ||||
| 1124 | associate_classtype_constraints (tree type) | ||||
| 1125 | { | ||||
| 1126 | if (!type || type == error_mark_nodeglobal_trees[TI_ERROR_MARK] || !CLASS_TYPE_P (type)(((((enum tree_code) (type)->base.code)) == RECORD_TYPE || (((enum tree_code) (type)->base.code)) == UNION_TYPE) && ((tree_class_check ((type), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1126, __FUNCTION__))->type_common.lang_flag_5))) | ||||
| 1127 | return type; | ||||
| 1128 | |||||
| 1129 | /* An explicit class template specialization has no template parameters. */ | ||||
| 1130 | if (!current_template_parmsscope_chain->template_parms) | ||||
| 1131 | return type; | ||||
| 1132 | |||||
| 1133 | if (CLASSTYPE_IS_TEMPLATE (type)((((tree_class_check (((tree_check3 ((type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1133, __FUNCTION__, (RECORD_TYPE), (UNION_TYPE), (QUAL_UNION_TYPE )))), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1133, __FUNCTION__))->type_non_common.lang_1)) && !((((tree_class_check ((type), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1133, __FUNCTION__))->type_with_lang_specific.lang_specific ))->use_template) && (((((contains_struct_check (( ((tree_check ((((struct tree_template_decl *)(const_cast<union tree_node *> ((((tree_check ((((struct tree_template_info *)(tree_check (((((tree_class_check (((tree_check3 ((type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1133, __FUNCTION__, (RECORD_TYPE), (UNION_TYPE), (QUAL_UNION_TYPE )))), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1133, __FUNCTION__))->type_non_common.lang_1))), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1133, __FUNCTION__, (TEMPLATE_INFO))))->tmpl), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1133, __FUNCTION__, (TEMPLATE_DECL))))))))->arguments), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1133, __FUNCTION__, (TREE_LIST)))->list.value)), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1133, __FUNCTION__))->typed.type))) == (((struct tree_template_info *)(tree_check (((((tree_class_check (((tree_check3 ((type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1133, __FUNCTION__, (RECORD_TYPE), (UNION_TYPE), (QUAL_UNION_TYPE )))), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1133, __FUNCTION__))->type_non_common.lang_1))), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1133, __FUNCTION__, (TEMPLATE_INFO))))->tmpl))) || CLASSTYPE_TEMPLATE_SPECIALIZATION (type)(((((tree_class_check ((type), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1133, __FUNCTION__))->type_with_lang_specific.lang_specific ))->use_template) == 2)) | ||||
| 1134 | { | ||||
| 1135 | tree decl = TYPE_STUB_DECL (type)(((contains_struct_check (((tree_class_check ((type), (tcc_type ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1135, __FUNCTION__))), (TS_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1135, __FUNCTION__))->common.chain)); | ||||
| 1136 | tree ci = current_template_constraints (); | ||||
| 1137 | |||||
| 1138 | /* An implicitly instantiated member template declaration already | ||||
| 1139 | has associated constraints. If it is defined outside of its | ||||
| 1140 | class, then we need match these constraints against those of | ||||
| 1141 | original declaration. */ | ||||
| 1142 | if (tree orig_ci = get_constraints (decl)) | ||||
| 1143 | { | ||||
| 1144 | if (int extra_levels = (TMPL_PARMS_DEPTH (current_template_parms)((long) ((unsigned long) (*tree_int_cst_elt_check ((((tree_check ((scope_chain->template_parms), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1144, __FUNCTION__, (TREE_LIST)))->list.purpose)), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1144, __FUNCTION__)))) | ||||
| 1145 | - TMPL_ARGS_DEPTH (TYPE_TI_ARGS (type))(((((struct tree_template_info*)(tree_check (((((enum tree_code ) (type)->base.code) == ENUMERAL_TYPE || ((enum tree_code) (type)->base.code) == BOUND_TEMPLATE_TEMPLATE_PARM || ((( enum tree_code) (type)->base.code) == RECORD_TYPE || ((enum tree_code) (type)->base.code) == UNION_TYPE || ((enum tree_code ) (type)->base.code) == QUAL_UNION_TYPE) ? ((tree_class_check ((type), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1145, __FUNCTION__))->type_non_common.lang_1) : (tree) __null )), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1145, __FUNCTION__, (TEMPLATE_INFO))))->args) && ((tree_check (((((struct tree_template_info*)(tree_check ((( ((enum tree_code) (type)->base.code) == ENUMERAL_TYPE || ( (enum tree_code) (type)->base.code) == BOUND_TEMPLATE_TEMPLATE_PARM || (((enum tree_code) (type)->base.code) == RECORD_TYPE || ((enum tree_code) (type)->base.code) == UNION_TYPE || ((enum tree_code) (type)->base.code) == QUAL_UNION_TYPE) ? ((tree_class_check ((type), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1145, __FUNCTION__))->type_non_common.lang_1) : (tree) __null )), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1145, __FUNCTION__, (TEMPLATE_INFO))))->args)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1145, __FUNCTION__, (TREE_VEC)))->base.u.length) && (*((const_cast<tree *> (tree_vec_elt_check (((((struct tree_template_info*)(tree_check (((((enum tree_code) (type)-> base.code) == ENUMERAL_TYPE || ((enum tree_code) (type)->base .code) == BOUND_TEMPLATE_TEMPLATE_PARM || (((enum tree_code) ( type)->base.code) == RECORD_TYPE || ((enum tree_code) (type )->base.code) == UNION_TYPE || ((enum tree_code) (type)-> base.code) == QUAL_UNION_TYPE) ? ((tree_class_check ((type), ( tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1145, __FUNCTION__))->type_non_common.lang_1) : (tree) __null )), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1145, __FUNCTION__, (TEMPLATE_INFO))))->args)), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1145, __FUNCTION__))))) && ((enum tree_code) ((*((const_cast <tree *> (tree_vec_elt_check (((((struct tree_template_info *)(tree_check (((((enum tree_code) (type)->base.code) == ENUMERAL_TYPE || ((enum tree_code) (type)->base.code) == BOUND_TEMPLATE_TEMPLATE_PARM || (((enum tree_code) (type)->base.code) == RECORD_TYPE || ((enum tree_code) (type)->base.code) == UNION_TYPE || ((enum tree_code) (type)->base.code) == QUAL_UNION_TYPE) ? ((tree_class_check ((type), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1145, __FUNCTION__))->type_non_common.lang_1) : (tree) __null )), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1145, __FUNCTION__, (TEMPLATE_INFO))))->args)), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1145, __FUNCTION__))))))->base.code) == TREE_VEC) ? ((tree_check (((((struct tree_template_info*)(tree_check (((((enum tree_code ) (type)->base.code) == ENUMERAL_TYPE || ((enum tree_code) (type)->base.code) == BOUND_TEMPLATE_TEMPLATE_PARM || ((( enum tree_code) (type)->base.code) == RECORD_TYPE || ((enum tree_code) (type)->base.code) == UNION_TYPE || ((enum tree_code ) (type)->base.code) == QUAL_UNION_TYPE) ? ((tree_class_check ((type), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1145, __FUNCTION__))->type_non_common.lang_1) : (tree) __null )), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1145, __FUNCTION__, (TEMPLATE_INFO))))->args)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1145, __FUNCTION__, (TREE_VEC)))->base.u.length) : 1))) | ||||
| 1146 | { | ||||
| 1147 | /* If there is a discrepancy between the current template depth | ||||
| 1148 | and the template depth of the original declaration, then we | ||||
| 1149 | must be redeclaring a class template as part of a friend | ||||
| 1150 | declaration within another class template. Before matching | ||||
| 1151 | constraints, we need to reduce the template parameter level | ||||
| 1152 | within the current constraints via substitution. */ | ||||
| 1153 | tree outer_gtargs = template_parms_to_args (current_template_parmsscope_chain->template_parms); | ||||
| 1154 | TREE_VEC_LENGTH (outer_gtargs)((tree_check ((outer_gtargs), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1154, __FUNCTION__, (TREE_VEC)))->base.u.length) = extra_levels; | ||||
| 1155 | ci = tsubst_constraint_info (ci, outer_gtargs, tf_none, NULL_TREE(tree) __null); | ||||
| 1156 | } | ||||
| 1157 | if (!equivalent_constraints (ci, orig_ci)) | ||||
| 1158 | { | ||||
| 1159 | error ("%qT does not match original declaration", type); | ||||
| 1160 | tree tmpl = CLASSTYPE_TI_TEMPLATE (type)((struct tree_template_info*)(tree_check (((((tree_class_check (((tree_check3 ((type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1160, __FUNCTION__, (RECORD_TYPE), (UNION_TYPE), (QUAL_UNION_TYPE )))), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1160, __FUNCTION__))->type_non_common.lang_1))), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1160, __FUNCTION__, (TEMPLATE_INFO))))->tmpl; | ||||
| 1161 | location_t loc = DECL_SOURCE_LOCATION (tmpl)((contains_struct_check ((tmpl), (TS_DECL_MINIMAL), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1161, __FUNCTION__))->decl_minimal.locus); | ||||
| 1162 | inform (loc, "original template declaration here"); | ||||
| 1163 | /* Fall through, so that we define the type anyway. */ | ||||
| 1164 | } | ||||
| 1165 | return type; | ||||
| 1166 | } | ||||
| 1167 | set_constraints (decl, ci); | ||||
| 1168 | } | ||||
| 1169 | return type; | ||||
| 1170 | } | ||||
| 1171 | |||||
| 1172 | /* Create an empty constraint info block. */ | ||||
| 1173 | |||||
| 1174 | static inline tree_constraint_info* | ||||
| 1175 | build_constraint_info () | ||||
| 1176 | { | ||||
| 1177 | return (tree_constraint_info *)make_node (CONSTRAINT_INFO); | ||||
| 1178 | } | ||||
| 1179 | |||||
| 1180 | /* Build a constraint-info object that contains the associated constraints | ||||
| 1181 | of a declaration. This also includes the declaration's template | ||||
| 1182 | requirements (TREQS) and any trailing requirements for a function | ||||
| 1183 | declarator (DREQS). Note that both TREQS and DREQS must be constraints. | ||||
| 1184 | |||||
| 1185 | If the declaration has neither template nor declaration requirements | ||||
| 1186 | this returns NULL_TREE, indicating an unconstrained declaration. */ | ||||
| 1187 | |||||
| 1188 | tree | ||||
| 1189 | build_constraints (tree tr, tree dr) | ||||
| 1190 | { | ||||
| 1191 | if (!tr && !dr) | ||||
| 1192 | return NULL_TREE(tree) __null; | ||||
| 1193 | |||||
| 1194 | tree_constraint_info* ci = build_constraint_info (); | ||||
| 1195 | ci->template_reqs = tr; | ||||
| 1196 | ci->declarator_reqs = dr; | ||||
| 1197 | ci->associated_constr = combine_constraint_expressions (tr, dr); | ||||
| 1198 | |||||
| 1199 | return (tree)ci; | ||||
| 1200 | } | ||||
| 1201 | |||||
| 1202 | /* Add constraint RHS to the end of CONSTRAINT_INFO ci. */ | ||||
| 1203 | |||||
| 1204 | tree | ||||
| 1205 | append_constraint (tree ci, tree rhs) | ||||
| 1206 | { | ||||
| 1207 | tree tr = ci ? CI_TEMPLATE_REQS (ci)check_constraint_info (check_nonnull (ci))->template_reqs : NULL_TREE(tree) __null; | ||||
| 1208 | tree dr = ci ? CI_DECLARATOR_REQS (ci)check_constraint_info (check_nonnull (ci))->declarator_reqs : NULL_TREE(tree) __null; | ||||
| 1209 | dr = combine_constraint_expressions (dr, rhs); | ||||
| 1210 | if (ci) | ||||
| 1211 | { | ||||
| 1212 | CI_DECLARATOR_REQS (ci)check_constraint_info (check_nonnull (ci))->declarator_reqs = dr; | ||||
| 1213 | tree ac = combine_constraint_expressions (tr, dr); | ||||
| 1214 | CI_ASSOCIATED_CONSTRAINTS (ci)check_constraint_info (check_nonnull (ci))->associated_constr = ac; | ||||
| 1215 | } | ||||
| 1216 | else | ||||
| 1217 | ci = build_constraints (tr, dr); | ||||
| 1218 | return ci; | ||||
| 1219 | } | ||||
| 1220 | |||||
| 1221 | /* A mapping from declarations to constraint information. */ | ||||
| 1222 | |||||
| 1223 | static GTY ((cache)) decl_tree_cache_map *decl_constraints; | ||||
| 1224 | |||||
| 1225 | /* Returns the template constraints of declaration T. If T is not | ||||
| 1226 | constrained, return NULL_TREE. Note that T must be non-null. */ | ||||
| 1227 | |||||
| 1228 | tree | ||||
| 1229 | get_constraints (const_tree t) | ||||
| 1230 | { | ||||
| 1231 | if (!flag_conceptsglobal_options.x_flag_concepts) | ||||
| 1232 | return NULL_TREE(tree) __null; | ||||
| 1233 | if (!decl_constraints) | ||||
| 1234 | return NULL_TREE(tree) __null; | ||||
| 1235 | |||||
| 1236 | gcc_assert (DECL_P (t))((void)(!((tree_code_type[(int) (((enum tree_code) (t)->base .code))] == tcc_declaration)) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1236, __FUNCTION__), 0 : 0)); | ||||
| 1237 | if (TREE_CODE (t)((enum tree_code) (t)->base.code) == TEMPLATE_DECL) | ||||
| 1238 | t = DECL_TEMPLATE_RESULT (t)((struct tree_template_decl *)(const_cast<union tree_node * > ((((tree_check ((t), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1238, __FUNCTION__, (TEMPLATE_DECL))))))))->result; | ||||
| 1239 | tree* found = decl_constraints->get (CONST_CAST_TREE (t)(const_cast<union tree_node *> (((t))))); | ||||
| 1240 | if (found) | ||||
| 1241 | return *found; | ||||
| 1242 | else | ||||
| 1243 | return NULL_TREE(tree) __null; | ||||
| 1244 | } | ||||
| 1245 | |||||
| 1246 | /* Associate the given constraint information CI with the declaration | ||||
| 1247 | T. If T is a template, then the constraints are associated with | ||||
| 1248 | its underlying declaration. Don't build associations if CI is | ||||
| 1249 | NULL_TREE. */ | ||||
| 1250 | |||||
| 1251 | void | ||||
| 1252 | set_constraints (tree t, tree ci) | ||||
| 1253 | { | ||||
| 1254 | if (!ci) | ||||
| 1255 | return; | ||||
| 1256 | gcc_assert (t && flag_concepts)((void)(!(t && global_options.x_flag_concepts) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1256, __FUNCTION__), 0 : 0)); | ||||
| 1257 | if (TREE_CODE (t)((enum tree_code) (t)->base.code) == TEMPLATE_DECL) | ||||
| 1258 | t = DECL_TEMPLATE_RESULT (t)((struct tree_template_decl *)(const_cast<union tree_node * > ((((tree_check ((t), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1258, __FUNCTION__, (TEMPLATE_DECL))))))))->result; | ||||
| 1259 | bool found = hash_map_safe_put<hm_ggc> (decl_constraints, t, ci); | ||||
| 1260 | gcc_assert (!found)((void)(!(!found) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1260, __FUNCTION__), 0 : 0)); | ||||
| 1261 | } | ||||
| 1262 | |||||
| 1263 | /* Remove the associated constraints of the declaration T. */ | ||||
| 1264 | |||||
| 1265 | void | ||||
| 1266 | remove_constraints (tree t) | ||||
| 1267 | { | ||||
| 1268 | gcc_checking_assert (DECL_P (t))((void)(!((tree_code_type[(int) (((enum tree_code) (t)->base .code))] == tcc_declaration)) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1268, __FUNCTION__), 0 : 0)); | ||||
| 1269 | if (TREE_CODE (t)((enum tree_code) (t)->base.code) == TEMPLATE_DECL) | ||||
| 1270 | t = DECL_TEMPLATE_RESULT (t)((struct tree_template_decl *)(const_cast<union tree_node * > ((((tree_check ((t), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1270, __FUNCTION__, (TEMPLATE_DECL))))))))->result; | ||||
| 1271 | |||||
| 1272 | if (decl_constraints) | ||||
| 1273 | decl_constraints->remove (t); | ||||
| 1274 | } | ||||
| 1275 | |||||
| 1276 | /* If DECL is a friend, substitute into REQS to produce requirements suitable | ||||
| 1277 | for declaration matching. */ | ||||
| 1278 | |||||
| 1279 | tree | ||||
| 1280 | maybe_substitute_reqs_for (tree reqs, const_tree decl_) | ||||
| 1281 | { | ||||
| 1282 | if (reqs == NULL_TREE(tree) __null) | ||||
| 1283 | return NULL_TREE(tree) __null; | ||||
| 1284 | |||||
| 1285 | tree decl = CONST_CAST_TREE (decl_)(const_cast<union tree_node *> (((decl_)))); | ||||
| 1286 | tree result = STRIP_TEMPLATE (decl)(((enum tree_code) (decl)->base.code) == TEMPLATE_DECL ? ( (struct tree_template_decl *)(const_cast<union tree_node * > ((((tree_check ((decl), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1286, __FUNCTION__, (TEMPLATE_DECL))))))))->result : decl ); | ||||
| 1287 | |||||
| 1288 | if (DECL_UNIQUE_FRIEND_P (result)(((contains_struct_check (((tree_check ((result), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1288, __FUNCTION__, (FUNCTION_DECL)))), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1288, __FUNCTION__))->decl_common.lang_specific) ->u. base.friend_or_tls)) | ||||
| 1289 | { | ||||
| 1290 | tree tmpl = decl; | ||||
| 1291 | if (TREE_CODE (decl)((enum tree_code) (decl)->base.code) != TEMPLATE_DECL) | ||||
| 1292 | tmpl = DECL_TI_TEMPLATE (result)((struct tree_template_info*)(tree_check (((((contains_struct_check ((template_info_decl_check ((result), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1292, __FUNCTION__)), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1292, __FUNCTION__))->decl_common.lang_specific) ->u. min.template_info)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1292, __FUNCTION__, (TEMPLATE_INFO))))->tmpl; | ||||
| 1293 | |||||
| 1294 | tree gargs = generic_targs_for (tmpl); | ||||
| 1295 | processing_template_decl_sentinel s; | ||||
| 1296 | if (uses_template_parms (gargs)) | ||||
| 1297 | ++processing_template_declscope_chain->x_processing_template_decl; | ||||
| 1298 | reqs = tsubst_constraint (reqs, gargs, | ||||
| 1299 | tf_warning_or_error, NULL_TREE(tree) __null); | ||||
| 1300 | } | ||||
| 1301 | return reqs; | ||||
| 1302 | } | ||||
| 1303 | |||||
| 1304 | /* Returns the template-head requires clause for the template | ||||
| 1305 | declaration T or NULL_TREE if none. */ | ||||
| 1306 | |||||
| 1307 | tree | ||||
| 1308 | get_template_head_requirements (tree t) | ||||
| 1309 | { | ||||
| 1310 | tree ci = get_constraints (t); | ||||
| 1311 | if (!ci) | ||||
| 1312 | return NULL_TREE(tree) __null; | ||||
| 1313 | return CI_TEMPLATE_REQS (ci)check_constraint_info (check_nonnull (ci))->template_reqs; | ||||
| 1314 | } | ||||
| 1315 | |||||
| 1316 | /* Returns the trailing requires clause of the declarator of | ||||
| 1317 | a template declaration T or NULL_TREE if none. */ | ||||
| 1318 | |||||
| 1319 | tree | ||||
| 1320 | get_trailing_function_requirements (tree t) | ||||
| 1321 | { | ||||
| 1322 | tree ci = get_constraints (t); | ||||
| 1323 | if (!ci) | ||||
| 1324 | return NULL_TREE(tree) __null; | ||||
| 1325 | return CI_DECLARATOR_REQS (ci)check_constraint_info (check_nonnull (ci))->declarator_reqs; | ||||
| 1326 | } | ||||
| 1327 | |||||
| 1328 | /* Construct a sequence of template arguments by prepending | ||||
| 1329 | ARG to REST. Either ARG or REST may be null. */ | ||||
| 1330 | static tree | ||||
| 1331 | build_concept_check_arguments (tree arg, tree rest) | ||||
| 1332 | { | ||||
| 1333 | gcc_assert (rest ? TREE_CODE (rest) == TREE_VEC : true)((void)(!(rest ? ((enum tree_code) (rest)->base.code) == TREE_VEC : true) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1333, __FUNCTION__), 0 : 0)); | ||||
| 1334 | tree args; | ||||
| 1335 | if (arg) | ||||
| 1336 | { | ||||
| 1337 | int n = rest ? TREE_VEC_LENGTH (rest)((tree_check ((rest), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1337, __FUNCTION__, (TREE_VEC)))->base.u.length) : 0; | ||||
| 1338 | args = make_tree_vec (n + 1); | ||||
| 1339 | TREE_VEC_ELT (args, 0)(*((const_cast<tree *> (tree_vec_elt_check ((args), (0) , "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1339, __FUNCTION__))))) = arg; | ||||
| 1340 | if (rest) | ||||
| 1341 | for (int i = 0; i < n; ++i) | ||||
| 1342 | TREE_VEC_ELT (args, i + 1)(*((const_cast<tree *> (tree_vec_elt_check ((args), (i + 1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1342, __FUNCTION__))))) = TREE_VEC_ELT (rest, i)(*((const_cast<tree *> (tree_vec_elt_check ((rest), (i) , "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1342, __FUNCTION__))))); | ||||
| 1343 | int def = rest ? GET_NON_DEFAULT_TEMPLATE_ARGS_COUNT (rest)int_cst_value (((contains_struct_check (((tree_check ((rest), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1343, __FUNCTION__, (TREE_VEC)))), (TS_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1343, __FUNCTION__))->common.chain)) : 0; | ||||
| 1344 | SET_NON_DEFAULT_TEMPLATE_ARGS_COUNT (args, def + 1)((contains_struct_check (((tree_check ((args), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1344, __FUNCTION__, (TREE_VEC)))), (TS_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1344, __FUNCTION__))->common.chain) = build_int_cst ((tree ) __null, def + 1); | ||||
| 1345 | } | ||||
| 1346 | else | ||||
| 1347 | { | ||||
| 1348 | gcc_assert (rest != NULL_TREE)((void)(!(rest != (tree) __null) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1348, __FUNCTION__), 0 : 0)); | ||||
| 1349 | args = rest; | ||||
| 1350 | } | ||||
| 1351 | return args; | ||||
| 1352 | } | ||||
| 1353 | |||||
| 1354 | /* Builds an id-expression of the form `C<Args...>()` where C is a function | ||||
| 1355 | concept. */ | ||||
| 1356 | |||||
| 1357 | static tree | ||||
| 1358 | build_function_check (tree tmpl, tree args, tsubst_flags_t /*complain*/) | ||||
| 1359 | { | ||||
| 1360 | if (TREE_CODE (tmpl)((enum tree_code) (tmpl)->base.code) == TEMPLATE_DECL) | ||||
| 1361 | { | ||||
| 1362 | /* If we just got a template, wrap it in an overload so it looks like any | ||||
| 1363 | other template-id. */ | ||||
| 1364 | tmpl = ovl_make (tmpl); | ||||
| 1365 | TREE_TYPE (tmpl)((contains_struct_check ((tmpl), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1365, __FUNCTION__))->typed.type) = boolean_type_nodeglobal_trees[TI_BOOLEAN_TYPE]; | ||||
| 1366 | } | ||||
| 1367 | |||||
| 1368 | /* Perform function concept resolution now so we always have a single | ||||
| 1369 | function of the overload set (even if we started with only one; the | ||||
| 1370 | resolution function converts template arguments). Note that we still | ||||
| 1371 | wrap this in an overload set so we don't upset other parts of the | ||||
| 1372 | compiler that expect template-ids referring to function concepts | ||||
| 1373 | to have an overload set. */ | ||||
| 1374 | tree info = resolve_function_concept_overload (tmpl, args); | ||||
| 1375 | if (info == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 1376 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 1377 | if (!info) | ||||
| 1378 | { | ||||
| 1379 | error ("no matching concepts for %qE", tmpl); | ||||
| 1380 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 1381 | } | ||||
| 1382 | args = TREE_PURPOSE (info)((tree_check ((info), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1382, __FUNCTION__, (TREE_LIST)))->list.purpose); | ||||
| 1383 | tmpl = DECL_TI_TEMPLATE (TREE_VALUE (info))((struct tree_template_info*)(tree_check (((((contains_struct_check ((template_info_decl_check ((((tree_check ((info), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1383, __FUNCTION__, (TREE_LIST)))->list.value)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1383, __FUNCTION__)), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1383, __FUNCTION__))->decl_common.lang_specific) ->u. min.template_info)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1383, __FUNCTION__, (TEMPLATE_INFO))))->tmpl; | ||||
| 1384 | |||||
| 1385 | /* Rebuild the singleton overload set; mark the type bool. */ | ||||
| 1386 | tmpl = ovl_make (tmpl, NULL_TREE(tree) __null); | ||||
| 1387 | TREE_TYPE (tmpl)((contains_struct_check ((tmpl), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1387, __FUNCTION__))->typed.type) = boolean_type_nodeglobal_trees[TI_BOOLEAN_TYPE]; | ||||
| 1388 | |||||
| 1389 | /* Build the id-expression around the overload set. */ | ||||
| 1390 | tree id = build2 (TEMPLATE_ID_EXPR, boolean_type_nodeglobal_trees[TI_BOOLEAN_TYPE], tmpl, args); | ||||
| 1391 | |||||
| 1392 | /* Finally, build the call expression around the overload. */ | ||||
| 1393 | ++processing_template_declscope_chain->x_processing_template_decl; | ||||
| 1394 | vec<tree, va_gc> *fargs = make_tree_vector (); | ||||
| 1395 | tree call = build_min_nt_call_vec (id, fargs); | ||||
| 1396 | TREE_TYPE (call)((contains_struct_check ((call), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1396, __FUNCTION__))->typed.type) = boolean_type_nodeglobal_trees[TI_BOOLEAN_TYPE]; | ||||
| 1397 | release_tree_vector (fargs); | ||||
| 1398 | --processing_template_declscope_chain->x_processing_template_decl; | ||||
| 1399 | |||||
| 1400 | return call; | ||||
| 1401 | } | ||||
| 1402 | |||||
| 1403 | /* Builds an id-expression of the form `C<Args...>` where C is a variable | ||||
| 1404 | concept. */ | ||||
| 1405 | |||||
| 1406 | static tree | ||||
| 1407 | build_variable_check (tree tmpl, tree args, tsubst_flags_t complain) | ||||
| 1408 | { | ||||
| 1409 | gcc_assert (variable_concept_p (tmpl))((void)(!(variable_concept_p (tmpl)) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1409, __FUNCTION__), 0 : 0)); | ||||
| 1410 | gcc_assert (TREE_CODE (tmpl) == TEMPLATE_DECL)((void)(!(((enum tree_code) (tmpl)->base.code) == TEMPLATE_DECL ) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1410, __FUNCTION__), 0 : 0)); | ||||
| 1411 | tree parms = INNERMOST_TEMPLATE_PARMS (DECL_TEMPLATE_PARMS (tmpl))((tree_check ((((struct tree_template_decl *)(const_cast<union tree_node *> ((((tree_check ((tmpl), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1411, __FUNCTION__, (TEMPLATE_DECL))))))))->arguments), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1411, __FUNCTION__, (TREE_LIST)))->list.value); | ||||
| 1412 | args = coerce_template_parms (parms, args, tmpl, complain); | ||||
| 1413 | if (args == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 1414 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 1415 | return build2 (TEMPLATE_ID_EXPR, boolean_type_nodeglobal_trees[TI_BOOLEAN_TYPE], tmpl, args); | ||||
| 1416 | } | ||||
| 1417 | |||||
| 1418 | /* Builds an id-expression of the form `C<Args...>` where C is a standard | ||||
| 1419 | concept. */ | ||||
| 1420 | |||||
| 1421 | static tree | ||||
| 1422 | build_standard_check (tree tmpl, tree args, tsubst_flags_t complain) | ||||
| 1423 | { | ||||
| 1424 | gcc_assert (standard_concept_p (tmpl))((void)(!(standard_concept_p (tmpl)) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1424, __FUNCTION__), 0 : 0)); | ||||
| 1425 | gcc_assert (TREE_CODE (tmpl) == TEMPLATE_DECL)((void)(!(((enum tree_code) (tmpl)->base.code) == TEMPLATE_DECL ) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1425, __FUNCTION__), 0 : 0)); | ||||
| 1426 | tree parms = INNERMOST_TEMPLATE_PARMS (DECL_TEMPLATE_PARMS (tmpl))((tree_check ((((struct tree_template_decl *)(const_cast<union tree_node *> ((((tree_check ((tmpl), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1426, __FUNCTION__, (TEMPLATE_DECL))))))))->arguments), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1426, __FUNCTION__, (TREE_LIST)))->list.value); | ||||
| 1427 | args = coerce_template_parms (parms, args, tmpl, complain); | ||||
| 1428 | if (args == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 1429 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 1430 | return build2 (TEMPLATE_ID_EXPR, boolean_type_nodeglobal_trees[TI_BOOLEAN_TYPE], tmpl, args); | ||||
| 1431 | } | ||||
| 1432 | |||||
| 1433 | /* Construct an expression that checks TARGET using ARGS. */ | ||||
| 1434 | |||||
| 1435 | tree | ||||
| 1436 | build_concept_check (tree target, tree args, tsubst_flags_t complain) | ||||
| 1437 | { | ||||
| 1438 | return build_concept_check (target, NULL_TREE(tree) __null, args, complain); | ||||
| 1439 | } | ||||
| 1440 | |||||
| 1441 | /* Construct an expression that checks the concept given by DECL. If | ||||
| 1442 | concept_definition_p (DECL) is false, this returns null. */ | ||||
| 1443 | |||||
| 1444 | tree | ||||
| 1445 | build_concept_check (tree decl, tree arg, tree rest, tsubst_flags_t complain) | ||||
| 1446 | { | ||||
| 1447 | if (arg == NULL_TREE(tree) __null && rest == NULL_TREE(tree) __null) | ||||
| 1448 | { | ||||
| 1449 | tree id = build_nt (TEMPLATE_ID_EXPR, decl, rest); | ||||
| 1450 | error ("invalid use concept %qE", id); | ||||
| 1451 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 1452 | } | ||||
| 1453 | |||||
| 1454 | tree args = build_concept_check_arguments (arg, rest); | ||||
| 1455 | |||||
| 1456 | if (standard_concept_p (decl)) | ||||
| 1457 | return build_standard_check (decl, args, complain); | ||||
| 1458 | if (variable_concept_p (decl)) | ||||
| 1459 | return build_variable_check (decl, args, complain); | ||||
| 1460 | if (function_concept_p (decl)) | ||||
| 1461 | return build_function_check (decl, args, complain); | ||||
| 1462 | |||||
| 1463 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 1464 | } | ||||
| 1465 | |||||
| 1466 | /* Build a template-id that can participate in a concept check. */ | ||||
| 1467 | |||||
| 1468 | static tree | ||||
| 1469 | build_concept_id (tree decl, tree args) | ||||
| 1470 | { | ||||
| 1471 | tree check = build_concept_check (decl, args, tf_warning_or_error); | ||||
| 1472 | if (check == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 1473 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 1474 | return unpack_concept_check (check); | ||||
| 1475 | } | ||||
| 1476 | |||||
| 1477 | /* Build a template-id that can participate in a concept check, preserving | ||||
| 1478 | the source location of the original template-id. */ | ||||
| 1479 | |||||
| 1480 | tree | ||||
| 1481 | build_concept_id (tree expr) | ||||
| 1482 | { | ||||
| 1483 | gcc_assert (TREE_CODE (expr) == TEMPLATE_ID_EXPR)((void)(!(((enum tree_code) (expr)->base.code) == TEMPLATE_ID_EXPR ) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1483, __FUNCTION__), 0 : 0)); | ||||
| 1484 | tree id = build_concept_id (TREE_OPERAND (expr, 0)(*((const_cast<tree*> (tree_operand_check ((expr), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1484, __FUNCTION__))))), TREE_OPERAND (expr, 1)(*((const_cast<tree*> (tree_operand_check ((expr), (1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1484, __FUNCTION__)))))); | ||||
| 1485 | protected_set_expr_location (id, cp_expr_location (expr)); | ||||
| 1486 | return id; | ||||
| 1487 | } | ||||
| 1488 | |||||
| 1489 | /* Build as template-id with a placeholder that can be used as a | ||||
| 1490 | type constraint. | ||||
| 1491 | |||||
| 1492 | Note that this will diagnose errors if the initial concept check | ||||
| 1493 | cannot be built. */ | ||||
| 1494 | |||||
| 1495 | tree | ||||
| 1496 | build_type_constraint (tree decl, tree args, tsubst_flags_t complain) | ||||
| 1497 | { | ||||
| 1498 | tree wildcard = build_nt (WILDCARD_DECL); | ||||
| 1499 | ++processing_template_declscope_chain->x_processing_template_decl; | ||||
| 1500 | tree check = build_concept_check (decl, wildcard, args, complain); | ||||
| 1501 | --processing_template_declscope_chain->x_processing_template_decl; | ||||
| 1502 | if (check == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 1503 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 1504 | return unpack_concept_check (check); | ||||
| 1505 | } | ||||
| 1506 | |||||
| 1507 | /* Returns a TYPE_DECL that contains sufficient information to | ||||
| 1508 | build a template parameter of the same kind as PROTO and | ||||
| 1509 | constrained by the concept declaration CNC. Note that PROTO | ||||
| 1510 | is the first template parameter of CNC. | ||||
| 1511 | |||||
| 1512 | If specified, ARGS provides additional arguments to the | ||||
| 1513 | constraint check. */ | ||||
| 1514 | tree | ||||
| 1515 | build_constrained_parameter (tree cnc, tree proto, tree args) | ||||
| 1516 | { | ||||
| 1517 | tree name = DECL_NAME (cnc)((contains_struct_check ((cnc), (TS_DECL_MINIMAL), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1517, __FUNCTION__))->decl_minimal.name); | ||||
| 1518 | tree type = TREE_TYPE (proto)((contains_struct_check ((proto), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1518, __FUNCTION__))->typed.type); | ||||
| 1519 | tree decl = build_decl (input_location, TYPE_DECL, name, type); | ||||
| 1520 | CONSTRAINED_PARM_PROTOTYPE (decl)((contains_struct_check (((tree_check ((decl), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1520, __FUNCTION__, (TYPE_DECL)))), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1520, __FUNCTION__))->decl_common.initial) = proto; | ||||
| 1521 | CONSTRAINED_PARM_CONCEPT (decl)((contains_struct_check (((tree_check ((decl), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1521, __FUNCTION__, (TYPE_DECL)))), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1521, __FUNCTION__))->decl_common.size_unit) = cnc; | ||||
| 1522 | CONSTRAINED_PARM_EXTRA_ARGS (decl)((contains_struct_check (((tree_check ((decl), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1522, __FUNCTION__, (TYPE_DECL)))), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1522, __FUNCTION__))->decl_common.size) = args; | ||||
| 1523 | return decl; | ||||
| 1524 | } | ||||
| 1525 | |||||
| 1526 | /* Create a constraint expression for the given DECL that evaluates the | ||||
| 1527 | requirements specified by CONSTR, a TYPE_DECL that contains all the | ||||
| 1528 | information necessary to build the requirements (see finish_concept_name | ||||
| 1529 | for the layout of that TYPE_DECL). | ||||
| 1530 | |||||
| 1531 | Note that the constraints are neither reduced nor decomposed. That is | ||||
| 1532 | done only after the requires clause has been parsed (or not). */ | ||||
| 1533 | |||||
| 1534 | tree | ||||
| 1535 | finish_shorthand_constraint (tree decl, tree constr) | ||||
| 1536 | { | ||||
| 1537 | /* No requirements means no constraints. */ | ||||
| 1538 | if (!constr) | ||||
| 1539 | return NULL_TREE(tree) __null; | ||||
| 1540 | |||||
| 1541 | if (error_operand_p (constr)((constr) == global_trees[TI_ERROR_MARK] || ((constr) && ((contains_struct_check (((constr)), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1541, __FUNCTION__))->typed.type) == global_trees[TI_ERROR_MARK ]))) | ||||
| 1542 | return NULL_TREE(tree) __null; | ||||
| 1543 | |||||
| 1544 | tree proto = CONSTRAINED_PARM_PROTOTYPE (constr)((contains_struct_check (((tree_check ((constr), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1544, __FUNCTION__, (TYPE_DECL)))), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1544, __FUNCTION__))->decl_common.initial); | ||||
| 1545 | tree con = CONSTRAINED_PARM_CONCEPT (constr)((contains_struct_check (((tree_check ((constr), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1545, __FUNCTION__, (TYPE_DECL)))), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1545, __FUNCTION__))->decl_common.size_unit); | ||||
| 1546 | tree args = CONSTRAINED_PARM_EXTRA_ARGS (constr)((contains_struct_check (((tree_check ((constr), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1546, __FUNCTION__, (TYPE_DECL)))), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1546, __FUNCTION__))->decl_common.size); | ||||
| 1547 | |||||
| 1548 | /* The TS lets use shorthand to constrain a pack of arguments, but the | ||||
| 1549 | standard does not. | ||||
| 1550 | |||||
| 1551 | For the TS, consider: | ||||
| 1552 | |||||
| 1553 | template<C... Ts> struct s; | ||||
| 1554 | |||||
| 1555 | If C is variadic (and because Ts is a pack), we associate the | ||||
| 1556 | constraint C<Ts...>. In all other cases, we associate | ||||
| 1557 | the constraint (C<Ts> && ...). | ||||
| 1558 | |||||
| 1559 | The standard behavior cannot be overridden by -fconcepts-ts. */ | ||||
| 1560 | bool variadic_concept_p = template_parameter_pack_p (proto); | ||||
| 1561 | bool declared_pack_p = template_parameter_pack_p (decl); | ||||
| 1562 | bool apply_to_each_p = (cxx_dialect >= cxx20) ? true : !variadic_concept_p; | ||||
| 1563 | |||||
| 1564 | /* Get the argument and overload used for the requirement | ||||
| 1565 | and adjust it if we're going to expand later. */ | ||||
| 1566 | tree arg = template_parm_to_arg (decl); | ||||
| 1567 | if (apply_to_each_p && declared_pack_p) | ||||
| 1568 | arg = PACK_EXPANSION_PATTERN (TREE_VEC_ELT (ARGUMENT_PACK_ARGS (arg), 0))(((enum tree_code) ((*((const_cast<tree *> (tree_vec_elt_check (((((enum tree_code) (arg)->base.code) == TYPE_ARGUMENT_PACK ? ((contains_struct_check ((arg), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1568, __FUNCTION__))->typed.type) : (*((const_cast<tree *> (tree_operand_check ((arg), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1568, __FUNCTION__))))))), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1568, __FUNCTION__))))))->base.code) == TYPE_PACK_EXPANSION ? ((contains_struct_check (((*((const_cast<tree *> (tree_vec_elt_check (((((enum tree_code) (arg)->base.code) == TYPE_ARGUMENT_PACK ? ((contains_struct_check ((arg), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1568, __FUNCTION__))->typed.type) : (*((const_cast<tree *> (tree_operand_check ((arg), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1568, __FUNCTION__))))))), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1568, __FUNCTION__)))))), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1568, __FUNCTION__))->typed.type) : (*((const_cast<tree *> (tree_operand_check (((*((const_cast<tree *> (tree_vec_elt_check (((((enum tree_code) (arg)->base.code) == TYPE_ARGUMENT_PACK ? ((contains_struct_check ((arg), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1568, __FUNCTION__))->typed.type) : (*((const_cast<tree *> (tree_operand_check ((arg), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1568, __FUNCTION__))))))), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1568, __FUNCTION__)))))), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1568, __FUNCTION__)))))); | ||||
| 1569 | |||||
| 1570 | /* Build the concept constraint-expression. */ | ||||
| 1571 | tree tmpl = DECL_TI_TEMPLATE (con)((struct tree_template_info*)(tree_check (((((contains_struct_check ((template_info_decl_check ((con), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1571, __FUNCTION__)), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1571, __FUNCTION__))->decl_common.lang_specific) ->u. min.template_info)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1571, __FUNCTION__, (TEMPLATE_INFO))))->tmpl; | ||||
| 1572 | tree check = tmpl; | ||||
| 1573 | if (TREE_CODE (con)((enum tree_code) (con)->base.code) == FUNCTION_DECL) | ||||
| 1574 | check = ovl_make (tmpl); | ||||
| 1575 | check = build_concept_check (check, arg, args, tf_warning_or_error); | ||||
| 1576 | |||||
| 1577 | /* Make the check a fold-expression if needed. */ | ||||
| 1578 | if (apply_to_each_p && declared_pack_p) | ||||
| 1579 | check = finish_left_unary_fold_expr (check, TRUTH_ANDIF_EXPR); | ||||
| 1580 | |||||
| 1581 | return check; | ||||
| 1582 | } | ||||
| 1583 | |||||
| 1584 | /* Returns a conjunction of shorthand requirements for the template | ||||
| 1585 | parameter list PARMS. Note that the requirements are stored in | ||||
| 1586 | the TYPE of each tree node. */ | ||||
| 1587 | |||||
| 1588 | tree | ||||
| 1589 | get_shorthand_constraints (tree parms) | ||||
| 1590 | { | ||||
| 1591 | tree result = NULL_TREE(tree) __null; | ||||
| 1592 | parms = INNERMOST_TEMPLATE_PARMS (parms)((tree_check ((parms), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1592, __FUNCTION__, (TREE_LIST)))->list.value); | ||||
| 1593 | for (int i = 0; i < TREE_VEC_LENGTH (parms)((tree_check ((parms), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1593, __FUNCTION__, (TREE_VEC)))->base.u.length); ++i) | ||||
| 1594 | { | ||||
| 1595 | tree parm = TREE_VEC_ELT (parms, i)(*((const_cast<tree *> (tree_vec_elt_check ((parms), (i ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1595, __FUNCTION__))))); | ||||
| 1596 | tree constr = TEMPLATE_PARM_CONSTRAINTS (parm)((contains_struct_check (((tree_check ((parm), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1596, __FUNCTION__, (TREE_LIST)))), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1596, __FUNCTION__))->typed.type); | ||||
| 1597 | result = combine_constraint_expressions (result, constr); | ||||
| 1598 | } | ||||
| 1599 | return result; | ||||
| 1600 | } | ||||
| 1601 | |||||
| 1602 | /* Get the deduced wildcard from a DEDUCED placeholder. If the deduced | ||||
| 1603 | wildcard is a pack, return the first argument of that pack. */ | ||||
| 1604 | |||||
| 1605 | static tree | ||||
| 1606 | get_deduced_wildcard (tree wildcard) | ||||
| 1607 | { | ||||
| 1608 | if (ARGUMENT_PACK_P (wildcard)(((enum tree_code) (wildcard)->base.code) == TYPE_ARGUMENT_PACK || ((enum tree_code) (wildcard)->base.code) == NONTYPE_ARGUMENT_PACK )) | ||||
| 1609 | wildcard = TREE_VEC_ELT (ARGUMENT_PACK_ARGS (wildcard), 0)(*((const_cast<tree *> (tree_vec_elt_check (((((enum tree_code ) (wildcard)->base.code) == TYPE_ARGUMENT_PACK? ((contains_struct_check ((wildcard), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1609, __FUNCTION__))->typed.type) : (*((const_cast<tree *> (tree_operand_check ((wildcard), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1609, __FUNCTION__))))))), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1609, __FUNCTION__))))); | ||||
| 1610 | gcc_assert (TREE_CODE (wildcard) == WILDCARD_DECL)((void)(!(((enum tree_code) (wildcard)->base.code) == WILDCARD_DECL ) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1610, __FUNCTION__), 0 : 0)); | ||||
| 1611 | return wildcard; | ||||
| 1612 | } | ||||
| 1613 | |||||
| 1614 | /* Returns the prototype parameter for the nth deduced wildcard. */ | ||||
| 1615 | |||||
| 1616 | static tree | ||||
| 1617 | get_introduction_prototype (tree wildcards, int index) | ||||
| 1618 | { | ||||
| 1619 | return TREE_TYPE (get_deduced_wildcard (TREE_VEC_ELT (wildcards, index)))((contains_struct_check ((get_deduced_wildcard ((*((const_cast <tree *> (tree_vec_elt_check ((wildcards), (index), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1619, __FUNCTION__))))))), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1619, __FUNCTION__))->typed.type); | ||||
| 1620 | } | ||||
| 1621 | |||||
| 1622 | /* Introduce a type template parameter. */ | ||||
| 1623 | |||||
| 1624 | static tree | ||||
| 1625 | introduce_type_template_parameter (tree wildcard, bool& non_type_p) | ||||
| 1626 | { | ||||
| 1627 | non_type_p = false; | ||||
| 1628 | return finish_template_type_parm (class_type_nodecp_global_trees[CPTI_CLASS_TYPE], DECL_NAME (wildcard)((contains_struct_check ((wildcard), (TS_DECL_MINIMAL), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1628, __FUNCTION__))->decl_minimal.name)); | ||||
| 1629 | } | ||||
| 1630 | |||||
| 1631 | /* Introduce a template template parameter. */ | ||||
| 1632 | |||||
| 1633 | static tree | ||||
| 1634 | introduce_template_template_parameter (tree wildcard, bool& non_type_p) | ||||
| 1635 | { | ||||
| 1636 | non_type_p = false; | ||||
| 1637 | begin_template_parm_list (); | ||||
| 1638 | current_template_parmsscope_chain->template_parms = DECL_TEMPLATE_PARMS (TREE_TYPE (wildcard))((struct tree_template_decl *)(const_cast<union tree_node * > ((((tree_check ((((contains_struct_check ((wildcard), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1638, __FUNCTION__))->typed.type)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1638, __FUNCTION__, (TEMPLATE_DECL))))))))->arguments; | ||||
| 1639 | end_template_parm_list (); | ||||
| 1640 | return finish_template_template_parm (class_type_nodecp_global_trees[CPTI_CLASS_TYPE], DECL_NAME (wildcard)((contains_struct_check ((wildcard), (TS_DECL_MINIMAL), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1640, __FUNCTION__))->decl_minimal.name)); | ||||
| 1641 | } | ||||
| 1642 | |||||
| 1643 | /* Introduce a template non-type parameter. */ | ||||
| 1644 | |||||
| 1645 | static tree | ||||
| 1646 | introduce_nontype_template_parameter (tree wildcard, bool& non_type_p) | ||||
| 1647 | { | ||||
| 1648 | non_type_p = true; | ||||
| 1649 | tree parm = copy_decl (TREE_TYPE (wildcard)((contains_struct_check ((wildcard), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1649, __FUNCTION__))->typed.type)); | ||||
| 1650 | DECL_NAME (parm)((contains_struct_check ((parm), (TS_DECL_MINIMAL), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1650, __FUNCTION__))->decl_minimal.name) = DECL_NAME (wildcard)((contains_struct_check ((wildcard), (TS_DECL_MINIMAL), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1650, __FUNCTION__))->decl_minimal.name); | ||||
| 1651 | return parm; | ||||
| 1652 | } | ||||
| 1653 | |||||
| 1654 | /* Introduce a single template parameter. */ | ||||
| 1655 | |||||
| 1656 | static tree | ||||
| 1657 | build_introduced_template_parameter (tree wildcard, bool& non_type_p) | ||||
| 1658 | { | ||||
| 1659 | tree proto = TREE_TYPE (wildcard)((contains_struct_check ((wildcard), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1659, __FUNCTION__))->typed.type); | ||||
| 1660 | |||||
| 1661 | tree parm; | ||||
| 1662 | if (TREE_CODE (proto)((enum tree_code) (proto)->base.code) == TYPE_DECL) | ||||
| 1663 | parm = introduce_type_template_parameter (wildcard, non_type_p); | ||||
| 1664 | else if (TREE_CODE (proto)((enum tree_code) (proto)->base.code) == TEMPLATE_DECL) | ||||
| 1665 | parm = introduce_template_template_parameter (wildcard, non_type_p); | ||||
| 1666 | else | ||||
| 1667 | parm = introduce_nontype_template_parameter (wildcard, non_type_p); | ||||
| 1668 | |||||
| 1669 | /* Wrap in a TREE_LIST for process_template_parm. Note that introduced | ||||
| 1670 | parameters do not retain the defaults from the source parameter. */ | ||||
| 1671 | return build_tree_list (NULL_TREE(tree) __null, parm); | ||||
| 1672 | } | ||||
| 1673 | |||||
| 1674 | /* Introduce a single template parameter. */ | ||||
| 1675 | |||||
| 1676 | static tree | ||||
| 1677 | introduce_template_parameter (tree parms, tree wildcard) | ||||
| 1678 | { | ||||
| 1679 | gcc_assert (!ARGUMENT_PACK_P (wildcard))((void)(!(!(((enum tree_code) (wildcard)->base.code) == TYPE_ARGUMENT_PACK || ((enum tree_code) (wildcard)->base.code) == NONTYPE_ARGUMENT_PACK )) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1679, __FUNCTION__), 0 : 0)); | ||||
| 1680 | tree proto = TREE_TYPE (wildcard)((contains_struct_check ((wildcard), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1680, __FUNCTION__))->typed.type); | ||||
| 1681 | location_t loc = DECL_SOURCE_LOCATION (wildcard)((contains_struct_check ((wildcard), (TS_DECL_MINIMAL), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1681, __FUNCTION__))->decl_minimal.locus); | ||||
| 1682 | |||||
| 1683 | /* Diagnose the case where we have C{...Args}. */ | ||||
| 1684 | if (WILDCARD_PACK_P (wildcard)((tree_not_check2 ((wildcard), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1684, __FUNCTION__, (TREE_VEC), (SSA_NAME)))->base.u.bits .lang_flag_0)) | ||||
| 1685 | { | ||||
| 1686 | tree id = DECL_NAME (wildcard)((contains_struct_check ((wildcard), (TS_DECL_MINIMAL), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1686, __FUNCTION__))->decl_minimal.name); | ||||
| 1687 | error_at (loc, "%qE cannot be introduced with an ellipsis %<...%>", id); | ||||
| 1688 | inform (DECL_SOURCE_LOCATION (proto)((contains_struct_check ((proto), (TS_DECL_MINIMAL), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1688, __FUNCTION__))->decl_minimal.locus), "prototype declared here"); | ||||
| 1689 | } | ||||
| 1690 | |||||
| 1691 | bool non_type_p; | ||||
| 1692 | tree parm = build_introduced_template_parameter (wildcard, non_type_p); | ||||
| 1693 | return process_template_parm (parms, loc, parm, non_type_p, false); | ||||
| 1694 | } | ||||
| 1695 | |||||
| 1696 | /* Introduce a template parameter pack. */ | ||||
| 1697 | |||||
| 1698 | static tree | ||||
| 1699 | introduce_template_parameter_pack (tree parms, tree wildcard) | ||||
| 1700 | { | ||||
| 1701 | bool non_type_p; | ||||
| 1702 | tree parm = build_introduced_template_parameter (wildcard, non_type_p); | ||||
| 1703 | location_t loc = DECL_SOURCE_LOCATION (wildcard)((contains_struct_check ((wildcard), (TS_DECL_MINIMAL), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1703, __FUNCTION__))->decl_minimal.locus); | ||||
| 1704 | return process_template_parm (parms, loc, parm, non_type_p, true); | ||||
| 1705 | } | ||||
| 1706 | |||||
| 1707 | /* Introduce the nth template parameter. */ | ||||
| 1708 | |||||
| 1709 | static tree | ||||
| 1710 | introduce_template_parameter (tree parms, tree wildcards, int& index) | ||||
| 1711 | { | ||||
| 1712 | tree deduced = TREE_VEC_ELT (wildcards, index++)(*((const_cast<tree *> (tree_vec_elt_check ((wildcards) , (index++), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1712, __FUNCTION__))))); | ||||
| 1713 | return introduce_template_parameter (parms, deduced); | ||||
| 1714 | } | ||||
| 1715 | |||||
| 1716 | /* Introduce either a template parameter pack or a list of template | ||||
| 1717 | parameters. */ | ||||
| 1718 | |||||
| 1719 | static tree | ||||
| 1720 | introduce_template_parameters (tree parms, tree wildcards, int& index) | ||||
| 1721 | { | ||||
| 1722 | /* If the prototype was a parameter, we better have deduced an | ||||
| 1723 | argument pack, and that argument must be the last deduced value | ||||
| 1724 | in the wildcard vector. */ | ||||
| 1725 | tree deduced = TREE_VEC_ELT (wildcards, index++)(*((const_cast<tree *> (tree_vec_elt_check ((wildcards) , (index++), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1725, __FUNCTION__))))); | ||||
| 1726 | gcc_assert (ARGUMENT_PACK_P (deduced))((void)(!((((enum tree_code) (deduced)->base.code) == TYPE_ARGUMENT_PACK || ((enum tree_code) (deduced)->base.code) == NONTYPE_ARGUMENT_PACK )) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1726, __FUNCTION__), 0 : 0)); | ||||
| 1727 | gcc_assert (index == TREE_VEC_LENGTH (wildcards))((void)(!(index == ((tree_check ((wildcards), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1727, __FUNCTION__, (TREE_VEC)))->base.u.length)) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1727, __FUNCTION__), 0 : 0)); | ||||
| 1728 | |||||
| 1729 | /* Introduce each element in the pack. */ | ||||
| 1730 | tree args = ARGUMENT_PACK_ARGS (deduced)(((enum tree_code) (deduced)->base.code) == TYPE_ARGUMENT_PACK ? ((contains_struct_check ((deduced), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1730, __FUNCTION__))->typed.type) : (*((const_cast<tree *> (tree_operand_check ((deduced), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1730, __FUNCTION__)))))); | ||||
| 1731 | for (int i = 0; i < TREE_VEC_LENGTH (args)((tree_check ((args), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1731, __FUNCTION__, (TREE_VEC)))->base.u.length); ++i) | ||||
| 1732 | { | ||||
| 1733 | tree arg = TREE_VEC_ELT (args, i)(*((const_cast<tree *> (tree_vec_elt_check ((args), (i) , "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1733, __FUNCTION__))))); | ||||
| 1734 | if (WILDCARD_PACK_P (arg)((tree_not_check2 ((arg), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1734, __FUNCTION__, (TREE_VEC), (SSA_NAME)))->base.u.bits .lang_flag_0)) | ||||
| 1735 | parms = introduce_template_parameter_pack (parms, arg); | ||||
| 1736 | else | ||||
| 1737 | parms = introduce_template_parameter (parms, arg); | ||||
| 1738 | } | ||||
| 1739 | |||||
| 1740 | return parms; | ||||
| 1741 | } | ||||
| 1742 | |||||
| 1743 | /* Builds the template parameter list PARMS by chaining introduced | ||||
| 1744 | parameters from the WILDCARD vector. INDEX is the position of | ||||
| 1745 | the current parameter. */ | ||||
| 1746 | |||||
| 1747 | static tree | ||||
| 1748 | process_introduction_parms (tree parms, tree wildcards, int& index) | ||||
| 1749 | { | ||||
| 1750 | tree proto = get_introduction_prototype (wildcards, index); | ||||
| 1751 | if (template_parameter_pack_p (proto)) | ||||
| 1752 | return introduce_template_parameters (parms, wildcards, index); | ||||
| 1753 | else | ||||
| 1754 | return introduce_template_parameter (parms, wildcards, index); | ||||
| 1755 | } | ||||
| 1756 | |||||
| 1757 | /* Ensure that all template parameters have been introduced for the concept | ||||
| 1758 | named in CHECK. If not, emit a diagnostic. | ||||
| 1759 | |||||
| 1760 | Note that implicitly introducing a parameter with a default argument | ||||
| 1761 | creates a case where a parameter is declared, but unnamed, making | ||||
| 1762 | it unusable in the definition. */ | ||||
| 1763 | |||||
| 1764 | static bool | ||||
| 1765 | check_introduction_list (tree intros, tree check) | ||||
| 1766 | { | ||||
| 1767 | check = unpack_concept_check (check); | ||||
| 1768 | tree tmpl = TREE_OPERAND (check, 0)(*((const_cast<tree*> (tree_operand_check ((check), (0) , "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1768, __FUNCTION__))))); | ||||
| 1769 | if (OVL_P (tmpl)(((enum tree_code) (tmpl)->base.code) == FUNCTION_DECL || ( (enum tree_code) (tmpl)->base.code) == OVERLOAD)) | ||||
| 1770 | tmpl = OVL_FIRST (tmpl)ovl_first (tmpl); | ||||
| 1771 | |||||
| 1772 | tree parms = DECL_INNERMOST_TEMPLATE_PARMS (tmpl)((tree_check ((((struct tree_template_decl *)(const_cast<union tree_node *> ((((tree_check ((tmpl), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1772, __FUNCTION__, (TEMPLATE_DECL))))))))->arguments), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1772, __FUNCTION__, (TREE_LIST)))->list.value); | ||||
| 1773 | if (TREE_VEC_LENGTH (intros)((tree_check ((intros), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1773, __FUNCTION__, (TREE_VEC)))->base.u.length) < TREE_VEC_LENGTH (parms)((tree_check ((parms), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1773, __FUNCTION__, (TREE_VEC)))->base.u.length)) | ||||
| 1774 | { | ||||
| 1775 | error_at (input_location, "all template parameters of %qD must " | ||||
| 1776 | "be introduced", tmpl); | ||||
| 1777 | return false; | ||||
| 1778 | } | ||||
| 1779 | |||||
| 1780 | return true; | ||||
| 1781 | } | ||||
| 1782 | |||||
| 1783 | /* Associates a constraint check to the current template based on the | ||||
| 1784 | introduction parameters. INTRO_LIST must be a TREE_VEC of WILDCARD_DECLs | ||||
| 1785 | containing a chained PARM_DECL which contains the identifier as well as | ||||
| 1786 | the source location. TMPL_DECL is the decl for the concept being used. | ||||
| 1787 | If we take a concept, C, this will form a check in the form of | ||||
| 1788 | C<INTRO_LIST> filling in any extra arguments needed by the defaults | ||||
| 1789 | deduced. | ||||
| 1790 | |||||
| 1791 | Returns NULL_TREE if no concept could be matched and error_mark_node if | ||||
| 1792 | an error occurred when matching. */ | ||||
| 1793 | |||||
| 1794 | tree | ||||
| 1795 | finish_template_introduction (tree tmpl_decl, | ||||
| 1796 | tree intro_list, | ||||
| 1797 | location_t intro_loc) | ||||
| 1798 | { | ||||
| 1799 | /* Build a concept check to deduce the actual parameters. */ | ||||
| 1800 | tree expr = build_concept_check (tmpl_decl, intro_list, tf_none); | ||||
| 1801 | if (expr == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 1802 | { | ||||
| 1803 | error_at (intro_loc, "cannot deduce template parameters from " | ||||
| 1804 | "introduction list"); | ||||
| 1805 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 1806 | } | ||||
| 1807 | |||||
| 1808 | if (!check_introduction_list (intro_list, expr)) | ||||
| 1809 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 1810 | |||||
| 1811 | tree parms = deduce_concept_introduction (expr); | ||||
| 1812 | if (!parms) | ||||
| 1813 | return NULL_TREE(tree) __null; | ||||
| 1814 | |||||
| 1815 | /* Build template parameter scope for introduction. */ | ||||
| 1816 | tree parm_list = NULL_TREE(tree) __null; | ||||
| 1817 | begin_template_parm_list (); | ||||
| 1818 | int nargs = MIN (TREE_VEC_LENGTH (parms), TREE_VEC_LENGTH (intro_list))((((tree_check ((parms), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1818, __FUNCTION__, (TREE_VEC)))->base.u.length)) < ( ((tree_check ((intro_list), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1818, __FUNCTION__, (TREE_VEC)))->base.u.length)) ? (((tree_check ((parms), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1818, __FUNCTION__, (TREE_VEC)))->base.u.length)) : (((tree_check ((intro_list), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1818, __FUNCTION__, (TREE_VEC)))->base.u.length))); | ||||
| 1819 | for (int n = 0; n < nargs; ) | ||||
| 1820 | parm_list = process_introduction_parms (parm_list, parms, n); | ||||
| 1821 | parm_list = end_template_parm_list (parm_list); | ||||
| 1822 | |||||
| 1823 | /* Update the number of arguments to reflect the number of deduced | ||||
| 1824 | template parameter introductions. */ | ||||
| 1825 | nargs = TREE_VEC_LENGTH (parm_list)((tree_check ((parm_list), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1825, __FUNCTION__, (TREE_VEC)))->base.u.length); | ||||
| 1826 | |||||
| 1827 | /* Determine if any errors occurred during matching. */ | ||||
| 1828 | for (int i = 0; i < TREE_VEC_LENGTH (parm_list)((tree_check ((parm_list), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1828, __FUNCTION__, (TREE_VEC)))->base.u.length); ++i) | ||||
| 1829 | if (TREE_VALUE (TREE_VEC_ELT (parm_list, i))((tree_check (((*((const_cast<tree *> (tree_vec_elt_check ((parm_list), (i), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1829, __FUNCTION__)))))), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1829, __FUNCTION__, (TREE_LIST)))->list.value) == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 1830 | { | ||||
| 1831 | end_template_decl (); | ||||
| 1832 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 1833 | } | ||||
| 1834 | |||||
| 1835 | /* Build a concept check for our constraint. */ | ||||
| 1836 | tree check_args = make_tree_vec (nargs); | ||||
| 1837 | int n = 0; | ||||
| 1838 | for (; n < TREE_VEC_LENGTH (parm_list)((tree_check ((parm_list), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1838, __FUNCTION__, (TREE_VEC)))->base.u.length); ++n) | ||||
| 1839 | { | ||||
| 1840 | tree parm = TREE_VEC_ELT (parm_list, n)(*((const_cast<tree *> (tree_vec_elt_check ((parm_list) , (n), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1840, __FUNCTION__))))); | ||||
| 1841 | TREE_VEC_ELT (check_args, n)(*((const_cast<tree *> (tree_vec_elt_check ((check_args ), (n), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1841, __FUNCTION__))))) = template_parm_to_arg (parm); | ||||
| 1842 | } | ||||
| 1843 | SET_NON_DEFAULT_TEMPLATE_ARGS_COUNT (check_args, n)((contains_struct_check (((tree_check ((check_args), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1843, __FUNCTION__, (TREE_VEC)))), (TS_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1843, __FUNCTION__))->common.chain) = build_int_cst ((tree ) __null, n); | ||||
| 1844 | |||||
| 1845 | /* If the template expects more parameters we should be able | ||||
| 1846 | to use the defaults from our deduced concept. */ | ||||
| 1847 | for (; n < TREE_VEC_LENGTH (parms)((tree_check ((parms), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1847, __FUNCTION__, (TREE_VEC)))->base.u.length); ++n) | ||||
| 1848 | TREE_VEC_ELT (check_args, n)(*((const_cast<tree *> (tree_vec_elt_check ((check_args ), (n), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1848, __FUNCTION__))))) = TREE_VEC_ELT (parms, n)(*((const_cast<tree *> (tree_vec_elt_check ((parms), (n ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1848, __FUNCTION__))))); | ||||
| 1849 | |||||
| 1850 | /* Associate the constraint. */ | ||||
| 1851 | tree check = build_concept_check (tmpl_decl, | ||||
| 1852 | check_args, | ||||
| 1853 | tf_warning_or_error); | ||||
| 1854 | TEMPLATE_PARMS_CONSTRAINTS (current_template_parms)((contains_struct_check (((tree_check ((scope_chain->template_parms ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1854, __FUNCTION__, (TREE_LIST)))), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1854, __FUNCTION__))->typed.type) = check; | ||||
| 1855 | |||||
| 1856 | return parm_list; | ||||
| 1857 | } | ||||
| 1858 | |||||
| 1859 | |||||
| 1860 | /* Given the concept check T from a constrained-type-specifier, extract | ||||
| 1861 | its TMPL and ARGS. FIXME why do we need two different forms of | ||||
| 1862 | constrained-type-specifier? */ | ||||
| 1863 | |||||
| 1864 | void | ||||
| 1865 | placeholder_extract_concept_and_args (tree t, tree &tmpl, tree &args) | ||||
| 1866 | { | ||||
| 1867 | if (concept_check_p (t)) | ||||
| 1868 | { | ||||
| 1869 | t = unpack_concept_check (t); | ||||
| 1870 | tmpl = TREE_OPERAND (t, 0)(*((const_cast<tree*> (tree_operand_check ((t), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1870, __FUNCTION__))))); | ||||
| 1871 | if (TREE_CODE (tmpl)((enum tree_code) (tmpl)->base.code) == OVERLOAD) | ||||
| 1872 | tmpl = OVL_FIRST (tmpl)ovl_first (tmpl); | ||||
| 1873 | args = TREE_OPERAND (t, 1)(*((const_cast<tree*> (tree_operand_check ((t), (1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1873, __FUNCTION__))))); | ||||
| 1874 | return; | ||||
| 1875 | } | ||||
| 1876 | |||||
| 1877 | if (TREE_CODE (t)((enum tree_code) (t)->base.code) == TYPE_DECL) | ||||
| 1878 | { | ||||
| 1879 | /* A constrained parameter. Build a constraint check | ||||
| 1880 | based on the prototype parameter and then extract the | ||||
| 1881 | arguments from that. */ | ||||
| 1882 | tree proto = CONSTRAINED_PARM_PROTOTYPE (t)((contains_struct_check (((tree_check ((t), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1882, __FUNCTION__, (TYPE_DECL)))), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1882, __FUNCTION__))->decl_common.initial); | ||||
| 1883 | tree check = finish_shorthand_constraint (proto, t); | ||||
| 1884 | placeholder_extract_concept_and_args (check, tmpl, args); | ||||
| 1885 | return; | ||||
| 1886 | } | ||||
| 1887 | } | ||||
| 1888 | |||||
| 1889 | /* Returns true iff the placeholders C1 and C2 are equivalent. C1 | ||||
| 1890 | and C2 can be either TEMPLATE_TYPE_PARM or template-ids. */ | ||||
| 1891 | |||||
| 1892 | bool | ||||
| 1893 | equivalent_placeholder_constraints (tree c1, tree c2) | ||||
| 1894 | { | ||||
| 1895 | if (c1 && TREE_CODE (c1)((enum tree_code) (c1)->base.code) == TEMPLATE_TYPE_PARM) | ||||
| |||||
| 1896 | /* A constrained auto. */ | ||||
| 1897 | c1 = PLACEHOLDER_TYPE_CONSTRAINTS (c1)((contains_struct_check ((((tree_class_check ((c1), (tcc_type ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1897, __FUNCTION__))->type_common.name)), (TS_DECL_COMMON ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1897, __FUNCTION__))->decl_common.size_unit); | ||||
| 1898 | if (c2 && TREE_CODE (c2)((enum tree_code) (c2)->base.code) == TEMPLATE_TYPE_PARM) | ||||
| 1899 | c2 = PLACEHOLDER_TYPE_CONSTRAINTS (c2)((contains_struct_check ((((tree_class_check ((c2), (tcc_type ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1899, __FUNCTION__))->type_common.name)), (TS_DECL_COMMON ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1899, __FUNCTION__))->decl_common.size_unit); | ||||
| 1900 | |||||
| 1901 | if (c1 == c2) | ||||
| 1902 | return true; | ||||
| 1903 | if (!c1
| ||||
| 1904 | return false; | ||||
| 1905 | if (c1 == error_mark_nodeglobal_trees[TI_ERROR_MARK] || c2 == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 1906 | /* We get here during satisfaction; when a deduction constraint | ||||
| 1907 | fails, substitution can produce an error_mark_node for the | ||||
| 1908 | placeholder constraints. */ | ||||
| 1909 | return false; | ||||
| 1910 | |||||
| 1911 | tree t1, t2, a1, a2; | ||||
| 1912 | placeholder_extract_concept_and_args (c1, t1, a1); | ||||
| 1913 | placeholder_extract_concept_and_args (c2, t2, a2); | ||||
| 1914 | |||||
| 1915 | if (t1 != t2) | ||||
| |||||
| 1916 | return false; | ||||
| 1917 | |||||
| 1918 | int len1 = TREE_VEC_LENGTH (a1)((tree_check ((a1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1918, __FUNCTION__, (TREE_VEC)))->base.u.length); | ||||
| 1919 | int len2 = TREE_VEC_LENGTH (a2)((tree_check ((a2), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1919, __FUNCTION__, (TREE_VEC)))->base.u.length); | ||||
| 1920 | if (len1 != len2) | ||||
| 1921 | return false; | ||||
| 1922 | |||||
| 1923 | /* Skip the first argument so we don't infinitely recurse. | ||||
| 1924 | Also, they may differ in template parameter index. */ | ||||
| 1925 | for (int i = 1; i < len1; ++i) | ||||
| 1926 | { | ||||
| 1927 | tree t1 = TREE_VEC_ELT (a1, i)(*((const_cast<tree *> (tree_vec_elt_check ((a1), (i), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1927, __FUNCTION__))))); | ||||
| 1928 | tree t2 = TREE_VEC_ELT (a2, i)(*((const_cast<tree *> (tree_vec_elt_check ((a2), (i), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1928, __FUNCTION__))))); | ||||
| 1929 | if (!template_args_equal (t1, t2)) | ||||
| 1930 | return false; | ||||
| 1931 | } | ||||
| 1932 | return true; | ||||
| 1933 | } | ||||
| 1934 | |||||
| 1935 | /* Return a hash value for the placeholder ATOMIC_CONSTR C. */ | ||||
| 1936 | |||||
| 1937 | hashval_t | ||||
| 1938 | hash_placeholder_constraint (tree c) | ||||
| 1939 | { | ||||
| 1940 | tree t, a; | ||||
| 1941 | placeholder_extract_concept_and_args (c, t, a); | ||||
| 1942 | |||||
| 1943 | /* Like hash_tmpl_and_args, but skip the first argument. */ | ||||
| 1944 | hashval_t val = iterative_hash_object (DECL_UID (t), 0)iterative_hash (&((contains_struct_check ((t), (TS_DECL_MINIMAL ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1944, __FUNCTION__))->decl_minimal.uid), sizeof (((contains_struct_check ((t), (TS_DECL_MINIMAL), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1944, __FUNCTION__))->decl_minimal.uid)), 0); | ||||
| 1945 | |||||
| 1946 | for (int i = TREE_VEC_LENGTH (a)((tree_check ((a), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1946, __FUNCTION__, (TREE_VEC)))->base.u.length)-1; i > 0; --i) | ||||
| 1947 | val = iterative_hash_template_arg (TREE_VEC_ELT (a, i)(*((const_cast<tree *> (tree_vec_elt_check ((a), (i), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1947, __FUNCTION__))))), val); | ||||
| 1948 | |||||
| 1949 | return val; | ||||
| 1950 | } | ||||
| 1951 | |||||
| 1952 | /* Substitute through the simple requirement. */ | ||||
| 1953 | |||||
| 1954 | static tree | ||||
| 1955 | tsubst_valid_expression_requirement (tree t, tree args, subst_info info) | ||||
| 1956 | { | ||||
| 1957 | tree r = tsubst_expr (t, args, info.complain, info.in_decl, false); | ||||
| 1958 | if (convert_to_void (r, ICV_STATEMENT, info.complain) == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 1959 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 1960 | return r; | ||||
| 1961 | } | ||||
| 1962 | |||||
| 1963 | |||||
| 1964 | /* Substitute through the simple requirement. */ | ||||
| 1965 | |||||
| 1966 | static tree | ||||
| 1967 | tsubst_simple_requirement (tree t, tree args, subst_info info) | ||||
| 1968 | { | ||||
| 1969 | tree t0 = TREE_OPERAND (t, 0)(*((const_cast<tree*> (tree_operand_check ((t), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1969, __FUNCTION__))))); | ||||
| 1970 | tree expr = tsubst_valid_expression_requirement (t0, args, info); | ||||
| 1971 | if (expr == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 1972 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 1973 | return finish_simple_requirement (EXPR_LOCATION (t)((((t)) && ((tree_code_type[(int) (((enum tree_code) ( (t))->base.code))]) >= tcc_reference && (tree_code_type [(int) (((enum tree_code) ((t))->base.code))]) <= tcc_expression )) ? (t)->exp.locus : ((location_t) 0)), expr); | ||||
| 1974 | } | ||||
| 1975 | |||||
| 1976 | /* Substitute through the type requirement. */ | ||||
| 1977 | |||||
| 1978 | static tree | ||||
| 1979 | tsubst_type_requirement (tree t, tree args, subst_info info) | ||||
| 1980 | { | ||||
| 1981 | tree t0 = TREE_OPERAND (t, 0)(*((const_cast<tree*> (tree_operand_check ((t), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 1981, __FUNCTION__))))); | ||||
| 1982 | tree type = tsubst (t0, args, info.complain, info.in_decl); | ||||
| 1983 | if (type == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 1984 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 1985 | return finish_type_requirement (EXPR_LOCATION (t)((((t)) && ((tree_code_type[(int) (((enum tree_code) ( (t))->base.code))]) >= tcc_reference && (tree_code_type [(int) (((enum tree_code) ((t))->base.code))]) <= tcc_expression )) ? (t)->exp.locus : ((location_t) 0)), type); | ||||
| 1986 | } | ||||
| 1987 | |||||
| 1988 | /* True if TYPE can be deduced from EXPR. */ | ||||
| 1989 | |||||
| 1990 | static bool | ||||
| 1991 | type_deducible_p (tree expr, tree type, tree placeholder, tree args, | ||||
| 1992 | subst_info info) | ||||
| 1993 | { | ||||
| 1994 | /* Make sure deduction is performed against ( EXPR ), so that | ||||
| 1995 | references are preserved in the result. */ | ||||
| 1996 | expr = force_paren_expr_uneval (expr); | ||||
| 1997 | |||||
| 1998 | /* Replace the constraints with the instantiated constraints. This | ||||
| 1999 | substitutes args into any template parameters in the trailing | ||||
| 2000 | result type. */ | ||||
| 2001 | tree saved_constr = PLACEHOLDER_TYPE_CONSTRAINTS (placeholder)((contains_struct_check ((((tree_class_check ((placeholder), ( tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2001, __FUNCTION__))->type_common.name)), (TS_DECL_COMMON ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2001, __FUNCTION__))->decl_common.size_unit); | ||||
| 2002 | tree subst_constr | ||||
| 2003 | = tsubst_constraint (saved_constr, | ||||
| 2004 | args, | ||||
| 2005 | info.complain | tf_partial, | ||||
| 2006 | info.in_decl); | ||||
| 2007 | |||||
| 2008 | if (subst_constr == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 2009 | return false; | ||||
| 2010 | |||||
| 2011 | PLACEHOLDER_TYPE_CONSTRAINTS (placeholder)((contains_struct_check ((((tree_class_check ((placeholder), ( tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2011, __FUNCTION__))->type_common.name)), (TS_DECL_COMMON ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2011, __FUNCTION__))->decl_common.size_unit) = subst_constr; | ||||
| 2012 | |||||
| 2013 | /* Temporarily unlink the canonical type. */ | ||||
| 2014 | tree saved_type = TYPE_CANONICAL (placeholder)((tree_class_check ((placeholder), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2014, __FUNCTION__))->type_common.canonical); | ||||
| 2015 | TYPE_CANONICAL (placeholder)((tree_class_check ((placeholder), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2015, __FUNCTION__))->type_common.canonical) = NULL_TREE(tree) __null; | ||||
| 2016 | |||||
| 2017 | tree deduced_type | ||||
| 2018 | = do_auto_deduction (type, | ||||
| 2019 | expr, | ||||
| 2020 | placeholder, | ||||
| 2021 | info.complain, | ||||
| 2022 | adc_requirement); | ||||
| 2023 | |||||
| 2024 | PLACEHOLDER_TYPE_CONSTRAINTS (placeholder)((contains_struct_check ((((tree_class_check ((placeholder), ( tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2024, __FUNCTION__))->type_common.name)), (TS_DECL_COMMON ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2024, __FUNCTION__))->decl_common.size_unit) = saved_constr; | ||||
| 2025 | TYPE_CANONICAL (placeholder)((tree_class_check ((placeholder), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2025, __FUNCTION__))->type_common.canonical) = saved_type; | ||||
| 2026 | |||||
| 2027 | if (deduced_type == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 2028 | return false; | ||||
| 2029 | |||||
| 2030 | return true; | ||||
| 2031 | } | ||||
| 2032 | |||||
| 2033 | /* True if EXPR can not be converted to TYPE. */ | ||||
| 2034 | |||||
| 2035 | static bool | ||||
| 2036 | expression_convertible_p (tree expr, tree type, subst_info info) | ||||
| 2037 | { | ||||
| 2038 | tree conv = | ||||
| 2039 | perform_direct_initialization_if_possible (type, expr, false, | ||||
| 2040 | info.complain); | ||||
| 2041 | if (conv == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 2042 | return false; | ||||
| 2043 | if (conv == NULL_TREE(tree) __null) | ||||
| 2044 | { | ||||
| 2045 | if (info.complain & tf_error) | ||||
| 2046 | { | ||||
| 2047 | location_t loc = EXPR_LOC_OR_LOC (expr, input_location)((((IS_ADHOC_LOC (((((expr)) && ((tree_code_type[(int ) (((enum tree_code) ((expr))->base.code))]) >= tcc_reference && (tree_code_type[(int) (((enum tree_code) ((expr)) ->base.code))]) <= tcc_expression)) ? (expr)->exp.locus : ((location_t) 0)))) ? get_location_from_adhoc_loc (line_table , ((((expr)) && ((tree_code_type[(int) (((enum tree_code ) ((expr))->base.code))]) >= tcc_reference && ( tree_code_type[(int) (((enum tree_code) ((expr))->base.code ))]) <= tcc_expression)) ? (expr)->exp.locus : ((location_t ) 0))) : (((((expr)) && ((tree_code_type[(int) (((enum tree_code) ((expr))->base.code))]) >= tcc_reference && (tree_code_type[(int) (((enum tree_code) ((expr))->base.code ))]) <= tcc_expression)) ? (expr)->exp.locus : ((location_t ) 0)))) != ((location_t) 0)) ? (expr)->exp.locus : (input_location )); | ||||
| 2048 | error_at (loc, "cannot convert %qE to %qT", expr, type); | ||||
| 2049 | } | ||||
| 2050 | return false; | ||||
| 2051 | } | ||||
| 2052 | return true; | ||||
| 2053 | } | ||||
| 2054 | |||||
| 2055 | |||||
| 2056 | /* Substitute through the compound requirement. */ | ||||
| 2057 | |||||
| 2058 | static tree | ||||
| 2059 | tsubst_compound_requirement (tree t, tree args, subst_info info) | ||||
| 2060 | { | ||||
| 2061 | tree t0 = TREE_OPERAND (t, 0)(*((const_cast<tree*> (tree_operand_check ((t), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2061, __FUNCTION__))))); | ||||
| 2062 | tree t1 = TREE_OPERAND (t, 1)(*((const_cast<tree*> (tree_operand_check ((t), (1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2062, __FUNCTION__))))); | ||||
| 2063 | tree expr = tsubst_valid_expression_requirement (t0, args, info); | ||||
| 2064 | if (expr == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 2065 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 2066 | |||||
| 2067 | /* Check the noexcept condition. */ | ||||
| 2068 | bool noexcept_p = COMPOUND_REQ_NOEXCEPT_P (t)((tree_not_check2 (((tree_check ((t), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2068, __FUNCTION__, (COMPOUND_REQ)))), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2068, __FUNCTION__, (TREE_VEC), (SSA_NAME)))->base.u.bits .lang_flag_0); | ||||
| 2069 | if (noexcept_p && !expr_noexcept_p (expr, tf_none)) | ||||
| 2070 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 2071 | |||||
| 2072 | /* Substitute through the type expression, if any. */ | ||||
| 2073 | tree type = tsubst (t1, args, info.complain, info.in_decl); | ||||
| 2074 | if (type == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 2075 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 2076 | |||||
| 2077 | subst_info quiet (tf_none, info.in_decl); | ||||
| 2078 | |||||
| 2079 | /* Check expression against the result type. */ | ||||
| 2080 | if (type) | ||||
| 2081 | { | ||||
| 2082 | if (tree placeholder = type_uses_auto (type)) | ||||
| 2083 | { | ||||
| 2084 | if (!type_deducible_p (expr, type, placeholder, args, quiet)) | ||||
| 2085 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 2086 | } | ||||
| 2087 | else if (!expression_convertible_p (expr, type, quiet)) | ||||
| 2088 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 2089 | } | ||||
| 2090 | |||||
| 2091 | return finish_compound_requirement (EXPR_LOCATION (t)((((t)) && ((tree_code_type[(int) (((enum tree_code) ( (t))->base.code))]) >= tcc_reference && (tree_code_type [(int) (((enum tree_code) ((t))->base.code))]) <= tcc_expression )) ? (t)->exp.locus : ((location_t) 0)), | ||||
| 2092 | expr, type, noexcept_p); | ||||
| 2093 | } | ||||
| 2094 | |||||
| 2095 | static tree | ||||
| 2096 | tsubst_nested_requirement (tree t, tree args, subst_info info) | ||||
| 2097 | { | ||||
| 2098 | /* Perform satisfaction quietly with the regular normal form. */ | ||||
| 2099 | sat_info quiet (tf_none, info.in_decl); | ||||
| 2100 | tree norm = TREE_VALUE (TREE_TYPE (t))((tree_check ((((contains_struct_check ((t), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2100, __FUNCTION__))->typed.type)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2100, __FUNCTION__, (TREE_LIST)))->list.value); | ||||
| 2101 | tree diag_norm = TREE_PURPOSE (TREE_TYPE (t))((tree_check ((((contains_struct_check ((t), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2101, __FUNCTION__))->typed.type)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2101, __FUNCTION__, (TREE_LIST)))->list.purpose); | ||||
| 2102 | tree result = satisfy_constraint (norm, args, quiet); | ||||
| 2103 | if (result == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 2104 | { | ||||
| 2105 | /* Replay the error using the diagnostic normal form. */ | ||||
| 2106 | sat_info noisy (tf_warning_or_error, info.in_decl); | ||||
| 2107 | satisfy_constraint (diag_norm, args, noisy); | ||||
| 2108 | } | ||||
| 2109 | if (result != boolean_true_nodeglobal_trees[TI_BOOLEAN_TRUE]) | ||||
| 2110 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 2111 | return result; | ||||
| 2112 | } | ||||
| 2113 | |||||
| 2114 | /* Substitute ARGS into the requirement T. */ | ||||
| 2115 | |||||
| 2116 | static tree | ||||
| 2117 | tsubst_requirement (tree t, tree args, subst_info info) | ||||
| 2118 | { | ||||
| 2119 | iloc_sentinel loc_s (cp_expr_location (t)); | ||||
| 2120 | switch (TREE_CODE (t)((enum tree_code) (t)->base.code)) | ||||
| 2121 | { | ||||
| 2122 | case SIMPLE_REQ: | ||||
| 2123 | return tsubst_simple_requirement (t, args, info); | ||||
| 2124 | case TYPE_REQ: | ||||
| 2125 | return tsubst_type_requirement (t, args, info); | ||||
| 2126 | case COMPOUND_REQ: | ||||
| 2127 | return tsubst_compound_requirement (t, args, info); | ||||
| 2128 | case NESTED_REQ: | ||||
| 2129 | return tsubst_nested_requirement (t, args, info); | ||||
| 2130 | default: | ||||
| 2131 | break; | ||||
| 2132 | } | ||||
| 2133 | gcc_unreachable ()(fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2133, __FUNCTION__)); | ||||
| 2134 | } | ||||
| 2135 | |||||
| 2136 | /* Substitute ARGS into the list of requirements T. Note that | ||||
| 2137 | substitution failures here result in ill-formed programs. */ | ||||
| 2138 | |||||
| 2139 | static tree | ||||
| 2140 | tsubst_requirement_body (tree t, tree args, subst_info info) | ||||
| 2141 | { | ||||
| 2142 | tree result = NULL_TREE(tree) __null; | ||||
| 2143 | while (t) | ||||
| 2144 | { | ||||
| 2145 | tree req = tsubst_requirement (TREE_VALUE (t)((tree_check ((t), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2145, __FUNCTION__, (TREE_LIST)))->list.value), args, info); | ||||
| 2146 | if (req == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 2147 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 2148 | result = tree_cons (NULL_TREE(tree) __null, req, result); | ||||
| 2149 | t = TREE_CHAIN (t)((contains_struct_check ((t), (TS_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2149, __FUNCTION__))->common.chain); | ||||
| 2150 | } | ||||
| 2151 | return nreverse (result); | ||||
| 2152 | } | ||||
| 2153 | |||||
| 2154 | static tree | ||||
| 2155 | declare_constraint_vars (tree parms, tree vars) | ||||
| 2156 | { | ||||
| 2157 | tree s = vars; | ||||
| 2158 | for (tree t = parms; t; t = DECL_CHAIN (t)(((contains_struct_check (((contains_struct_check ((t), (TS_DECL_MINIMAL ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2158, __FUNCTION__))), (TS_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2158, __FUNCTION__))->common.chain))) | ||||
| 2159 | { | ||||
| 2160 | if (DECL_PACK_P (t)((tree_code_type[(int) (((enum tree_code) (t)->base.code)) ] == tcc_declaration) && (((enum tree_code) (((contains_struct_check ((t), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2160, __FUNCTION__))->typed.type))->base.code) == TYPE_PACK_EXPANSION || ((enum tree_code) (((contains_struct_check ((t), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2160, __FUNCTION__))->typed.type))->base.code) == EXPR_PACK_EXPANSION ))) | ||||
| 2161 | { | ||||
| 2162 | tree pack = extract_fnparm_pack (t, &s); | ||||
| 2163 | register_local_specialization (pack, t); | ||||
| 2164 | } | ||||
| 2165 | else | ||||
| 2166 | { | ||||
| 2167 | register_local_specialization (s, t); | ||||
| 2168 | s = DECL_CHAIN (s)(((contains_struct_check (((contains_struct_check ((s), (TS_DECL_MINIMAL ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2168, __FUNCTION__))), (TS_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2168, __FUNCTION__))->common.chain)); | ||||
| 2169 | } | ||||
| 2170 | } | ||||
| 2171 | return vars; | ||||
| 2172 | } | ||||
| 2173 | |||||
| 2174 | /* Substitute through as if checking function parameter types. This | ||||
| 2175 | will diagnose common parameter type errors. Returns error_mark_node | ||||
| 2176 | if an error occurred. */ | ||||
| 2177 | |||||
| 2178 | static tree | ||||
| 2179 | check_constaint_variables (tree t, tree args, subst_info info) | ||||
| 2180 | { | ||||
| 2181 | tree types = NULL_TREE(tree) __null; | ||||
| 2182 | tree p = t; | ||||
| 2183 | while (p && !VOID_TYPE_P (p)(((enum tree_code) (p)->base.code) == VOID_TYPE)) | ||||
| 2184 | { | ||||
| 2185 | types = tree_cons (NULL_TREE(tree) __null, TREE_TYPE (p)((contains_struct_check ((p), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2185, __FUNCTION__))->typed.type), types); | ||||
| 2186 | p = TREE_CHAIN (p)((contains_struct_check ((p), (TS_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2186, __FUNCTION__))->common.chain); | ||||
| 2187 | } | ||||
| 2188 | types = chainon (nreverse (types), void_list_nodeglobal_trees[TI_VOID_LIST_NODE]); | ||||
| 2189 | return tsubst_function_parms (types, args, info.complain, info.in_decl); | ||||
| 2190 | } | ||||
| 2191 | |||||
| 2192 | /* A subroutine of tsubst_parameterized_constraint. Substitute ARGS | ||||
| 2193 | into the parameter list T, producing a sequence of constraint | ||||
| 2194 | variables, declared in the current scope. | ||||
| 2195 | |||||
| 2196 | Note that the caller must establish a local specialization stack | ||||
| 2197 | prior to calling this function since this substitution will | ||||
| 2198 | declare the substituted parameters. */ | ||||
| 2199 | |||||
| 2200 | static tree | ||||
| 2201 | tsubst_constraint_variables (tree t, tree args, subst_info info) | ||||
| 2202 | { | ||||
| 2203 | /* Perform a trial substitution to check for type errors. */ | ||||
| 2204 | tree parms = check_constaint_variables (t, args, info); | ||||
| 2205 | if (parms == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 2206 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 2207 | |||||
| 2208 | /* Clear cp_unevaluated_operand across tsubst so that we get a proper chain | ||||
| 2209 | of PARM_DECLs. */ | ||||
| 2210 | int saved_unevaluated_operand = cp_unevaluated_operand; | ||||
| 2211 | cp_unevaluated_operand = 0; | ||||
| 2212 | tree vars = tsubst (t, args, info.complain, info.in_decl); | ||||
| 2213 | cp_unevaluated_operand = saved_unevaluated_operand; | ||||
| 2214 | if (vars == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 2215 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 2216 | return declare_constraint_vars (t, vars); | ||||
| 2217 | } | ||||
| 2218 | |||||
| 2219 | /* Substitute ARGS into the requires-expression T. [8.4.7]p6. The | ||||
| 2220 | substitution of template arguments into a requires-expression | ||||
| 2221 | may result in the formation of invalid types or expressions | ||||
| 2222 | in its requirements ... In such cases, the expression evaluates | ||||
| 2223 | to false; it does not cause the program to be ill-formed. | ||||
| 2224 | |||||
| 2225 | However, there are cases where substitution must produce a | ||||
| 2226 | new requires-expression, that is not a template constraint. | ||||
| 2227 | For example: | ||||
| 2228 | |||||
| 2229 | template<typename T> | ||||
| 2230 | class X { | ||||
| 2231 | template<typename U> | ||||
| 2232 | static constexpr bool var = requires (U u) { T::fn(u); }; | ||||
| 2233 | }; | ||||
| 2234 | |||||
| 2235 | In the instantiation of X<Y> (assuming Y defines fn), then the | ||||
| 2236 | instantiated requires-expression would include Y::fn(u). If any | ||||
| 2237 | substitution in the requires-expression fails, we can immediately | ||||
| 2238 | fold the expression to false, as would be the case e.g., when | ||||
| 2239 | instantiation X<int>. */ | ||||
| 2240 | |||||
| 2241 | tree | ||||
| 2242 | tsubst_requires_expr (tree t, tree args, | ||||
| 2243 | tsubst_flags_t complain, tree in_decl) | ||||
| 2244 | { | ||||
| 2245 | local_specialization_stack stack (lss_copy); | ||||
| 2246 | |||||
| 2247 | subst_info info (complain, in_decl); | ||||
| 2248 | |||||
| 2249 | /* A requires-expression is an unevaluated context. */ | ||||
| 2250 | cp_unevaluated u; | ||||
| 2251 | |||||
| 2252 | args = add_extra_args (REQUIRES_EXPR_EXTRA_ARGS (t)(*((const_cast<tree*> (tree_operand_check (((tree_check ((t), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2252, __FUNCTION__, (REQUIRES_EXPR)))), (2), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2252, __FUNCTION__))))), args); | ||||
| 2253 | if (processing_template_declscope_chain->x_processing_template_decl) | ||||
| 2254 | { | ||||
| 2255 | /* We're partially instantiating a generic lambda. Substituting into | ||||
| 2256 | this requires-expression now may cause its requirements to get | ||||
| 2257 | checked out of order, so instead just remember the template | ||||
| 2258 | arguments and wait until we can substitute them all at once. */ | ||||
| 2259 | t = copy_node (t); | ||||
| 2260 | REQUIRES_EXPR_EXTRA_ARGS (t)(*((const_cast<tree*> (tree_operand_check (((tree_check ((t), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2260, __FUNCTION__, (REQUIRES_EXPR)))), (2), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2260, __FUNCTION__))))) = build_extra_args (t, args, complain); | ||||
| 2261 | return t; | ||||
| 2262 | } | ||||
| 2263 | |||||
| 2264 | tree parms = REQUIRES_EXPR_PARMS (t)(*((const_cast<tree*> (tree_operand_check (((tree_check ((t), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2264, __FUNCTION__, (REQUIRES_EXPR)))), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2264, __FUNCTION__))))); | ||||
| 2265 | if (parms) | ||||
| 2266 | { | ||||
| 2267 | parms = tsubst_constraint_variables (parms, args, info); | ||||
| 2268 | if (parms == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 2269 | return boolean_false_nodeglobal_trees[TI_BOOLEAN_FALSE]; | ||||
| 2270 | } | ||||
| 2271 | |||||
| 2272 | tree reqs = REQUIRES_EXPR_REQS (t)(*((const_cast<tree*> (tree_operand_check (((tree_check ((t), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2272, __FUNCTION__, (REQUIRES_EXPR)))), (1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2272, __FUNCTION__))))); | ||||
| 2273 | reqs = tsubst_requirement_body (reqs, args, info); | ||||
| 2274 | if (reqs == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 2275 | return boolean_false_nodeglobal_trees[TI_BOOLEAN_FALSE]; | ||||
| 2276 | |||||
| 2277 | return boolean_true_nodeglobal_trees[TI_BOOLEAN_TRUE]; | ||||
| 2278 | } | ||||
| 2279 | |||||
| 2280 | /* Substitute ARGS into the constraint information CI, producing a new | ||||
| 2281 | constraint record. */ | ||||
| 2282 | |||||
| 2283 | tree | ||||
| 2284 | tsubst_constraint_info (tree t, tree args, | ||||
| 2285 | tsubst_flags_t complain, tree in_decl) | ||||
| 2286 | { | ||||
| 2287 | if (!t || t == error_mark_nodeglobal_trees[TI_ERROR_MARK] || !check_constraint_info (t)) | ||||
| 2288 | return NULL_TREE(tree) __null; | ||||
| 2289 | |||||
| 2290 | tree tr = tsubst_constraint (CI_TEMPLATE_REQS (t)check_constraint_info (check_nonnull (t))->template_reqs, args, complain, in_decl); | ||||
| 2291 | tree dr = tsubst_constraint (CI_DECLARATOR_REQS (t)check_constraint_info (check_nonnull (t))->declarator_reqs, args, complain, in_decl); | ||||
| 2292 | return build_constraints (tr, dr); | ||||
| 2293 | } | ||||
| 2294 | |||||
| 2295 | /* Substitute through a parameter mapping, in order to get the actual | ||||
| 2296 | arguments used to instantiate an atomic constraint. This may fail | ||||
| 2297 | if the substitution into arguments produces something ill-formed. */ | ||||
| 2298 | |||||
| 2299 | static tree | ||||
| 2300 | tsubst_parameter_mapping (tree map, tree args, subst_info info) | ||||
| 2301 | { | ||||
| 2302 | if (!map) | ||||
| 2303 | return NULL_TREE(tree) __null; | ||||
| 2304 | |||||
| 2305 | tsubst_flags_t complain = info.complain; | ||||
| 2306 | tree in_decl = info.in_decl; | ||||
| 2307 | |||||
| 2308 | tree result = NULL_TREE(tree) __null; | ||||
| 2309 | for (tree p = map; p; p = TREE_CHAIN (p)((contains_struct_check ((p), (TS_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2309, __FUNCTION__))->common.chain)) | ||||
| 2310 | { | ||||
| 2311 | if (p == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 2312 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 2313 | tree parm = TREE_VALUE (p)((tree_check ((p), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2313, __FUNCTION__, (TREE_LIST)))->list.value); | ||||
| 2314 | tree arg = TREE_PURPOSE (p)((tree_check ((p), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2314, __FUNCTION__, (TREE_LIST)))->list.purpose); | ||||
| 2315 | tree new_arg = NULL_TREE(tree) __null; | ||||
| 2316 | if (TYPE_P (arg)(tree_code_type[(int) (((enum tree_code) (arg)->base.code) )] == tcc_type)) | ||||
| 2317 | { | ||||
| 2318 | /* If a template parameter is declared with a placeholder, we can | ||||
| 2319 | get those in the argument list if decltype is applied to the | ||||
| 2320 | placeholder. For example: | ||||
| 2321 | |||||
| 2322 | template<auto T> | ||||
| 2323 | requires C<decltype(T)> | ||||
| 2324 | void f() { } | ||||
| 2325 | |||||
| 2326 | The normalized argument for C will be an auto type, so we'll | ||||
| 2327 | need to deduce the actual argument from the corresponding | ||||
| 2328 | initializer (whatever argument is provided for T), and use | ||||
| 2329 | that result in the instantiated parameter mapping. */ | ||||
| 2330 | if (tree auto_node = type_uses_auto (arg)) | ||||
| 2331 | { | ||||
| 2332 | int level; | ||||
| 2333 | int index; | ||||
| 2334 | template_parm_level_and_index (parm, &level, &index); | ||||
| 2335 | tree init = TMPL_ARG (args, level, index)((*((const_cast<tree *> (tree_vec_elt_check ((((args && ((tree_check ((args), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2335, __FUNCTION__, (TREE_VEC)))->base.u.length) && (*((const_cast<tree *> (tree_vec_elt_check ((args), (0 ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2335, __FUNCTION__))))) && ((enum tree_code) ((*((const_cast <tree *> (tree_vec_elt_check ((args), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2335, __FUNCTION__))))))->base.code) == TREE_VEC) ? (*(( const_cast<tree *> (tree_vec_elt_check ((args), ((level ) - 1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2335, __FUNCTION__))))) : (args))), (index), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2335, __FUNCTION__)))))); | ||||
| 2336 | new_arg = do_auto_deduction (arg, init, auto_node, | ||||
| 2337 | complain, adc_variable_type, | ||||
| 2338 | make_tree_vec (0)); | ||||
| 2339 | } | ||||
| 2340 | } | ||||
| 2341 | else if (ARGUMENT_PACK_P (arg)(((enum tree_code) (arg)->base.code) == TYPE_ARGUMENT_PACK || ((enum tree_code) (arg)->base.code) == NONTYPE_ARGUMENT_PACK )) | ||||
| 2342 | new_arg = tsubst_argument_pack (arg, args, complain, in_decl); | ||||
| 2343 | if (!new_arg) | ||||
| 2344 | { | ||||
| 2345 | new_arg = tsubst_template_arg (arg, args, complain, in_decl); | ||||
| 2346 | if (TYPE_P (new_arg)(tree_code_type[(int) (((enum tree_code) (new_arg)->base.code ))] == tcc_type)) | ||||
| 2347 | new_arg = canonicalize_type_argument (new_arg, complain); | ||||
| 2348 | if (TREE_CODE (new_arg)((enum tree_code) (new_arg)->base.code) == TYPE_ARGUMENT_PACK) | ||||
| 2349 | { | ||||
| 2350 | tree pack_args = ARGUMENT_PACK_ARGS (new_arg)(((enum tree_code) (new_arg)->base.code) == TYPE_ARGUMENT_PACK ? ((contains_struct_check ((new_arg), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2350, __FUNCTION__))->typed.type) : (*((const_cast<tree *> (tree_operand_check ((new_arg), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2350, __FUNCTION__)))))); | ||||
| 2351 | for (int i = 0; i < TREE_VEC_LENGTH (pack_args)((tree_check ((pack_args), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2351, __FUNCTION__, (TREE_VEC)))->base.u.length); i++) | ||||
| 2352 | { | ||||
| 2353 | tree& pack_arg = TREE_VEC_ELT (pack_args, i)(*((const_cast<tree *> (tree_vec_elt_check ((pack_args) , (i), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2353, __FUNCTION__))))); | ||||
| 2354 | if (TYPE_P (pack_arg)(tree_code_type[(int) (((enum tree_code) (pack_arg)->base. code))] == tcc_type)) | ||||
| 2355 | pack_arg = canonicalize_type_argument (pack_arg, complain); | ||||
| 2356 | } | ||||
| 2357 | } | ||||
| 2358 | } | ||||
| 2359 | if (new_arg == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 2360 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 2361 | |||||
| 2362 | result = tree_cons (new_arg, parm, result); | ||||
| 2363 | } | ||||
| 2364 | return nreverse (result); | ||||
| 2365 | } | ||||
| 2366 | |||||
| 2367 | tree | ||||
| 2368 | tsubst_parameter_mapping (tree map, tree args, tsubst_flags_t complain, tree in_decl) | ||||
| 2369 | { | ||||
| 2370 | return tsubst_parameter_mapping (map, args, subst_info (complain, in_decl)); | ||||
| 2371 | } | ||||
| 2372 | |||||
| 2373 | /*--------------------------------------------------------------------------- | ||||
| 2374 | Constraint satisfaction | ||||
| 2375 | ---------------------------------------------------------------------------*/ | ||||
| 2376 | |||||
| 2377 | /* True if we are currently satisfying a constraint. */ | ||||
| 2378 | |||||
| 2379 | static bool satisfying_constraint; | ||||
| 2380 | |||||
| 2381 | /* A vector of incomplete types (and of declarations with undeduced return type), | ||||
| 2382 | appended to by note_failed_type_completion_for_satisfaction. The | ||||
| 2383 | satisfaction caches use this in order to keep track of "potentially unstable" | ||||
| 2384 | satisfaction results. | ||||
| 2385 | |||||
| 2386 | Since references to entries in this vector are stored only in the | ||||
| 2387 | GC-deletable sat_cache, it's safe to make this deletable as well. */ | ||||
| 2388 | |||||
| 2389 | static GTY((deletable)) vec<tree, va_gc> *failed_type_completions; | ||||
| 2390 | |||||
| 2391 | /* Called whenever a type completion (or return type deduction) failure occurs | ||||
| 2392 | that definitely affects the meaning of the program, by e.g. inducing | ||||
| 2393 | substitution failure. */ | ||||
| 2394 | |||||
| 2395 | void | ||||
| 2396 | note_failed_type_completion_for_satisfaction (tree t) | ||||
| 2397 | { | ||||
| 2398 | if (satisfying_constraint) | ||||
| 2399 | { | ||||
| 2400 | gcc_checking_assert ((TYPE_P (t) && !COMPLETE_TYPE_P (t))((void)(!(((tree_code_type[(int) (((enum tree_code) (t)->base .code))] == tcc_type) && !(((tree_class_check ((t), ( tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2400, __FUNCTION__))->type_common.size) != (tree) __null )) || ((tree_code_type[(int) (((enum tree_code) (t)->base. code))] == tcc_declaration) && undeduced_auto_decl (t ))) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2401, __FUNCTION__), 0 : 0)) | ||||
| 2401 | || (DECL_P (t) && undeduced_auto_decl (t)))((void)(!(((tree_code_type[(int) (((enum tree_code) (t)->base .code))] == tcc_type) && !(((tree_class_check ((t), ( tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2400, __FUNCTION__))->type_common.size) != (tree) __null )) || ((tree_code_type[(int) (((enum tree_code) (t)->base. code))] == tcc_declaration) && undeduced_auto_decl (t ))) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2401, __FUNCTION__), 0 : 0)); | ||||
| 2402 | vec_safe_push (failed_type_completions, t); | ||||
| 2403 | } | ||||
| 2404 | } | ||||
| 2405 | |||||
| 2406 | /* Returns true if the range [BEGIN, END) of elements within the | ||||
| 2407 | failed_type_completions vector contains a complete type (or a | ||||
| 2408 | declaration with a non-placeholder return type). */ | ||||
| 2409 | |||||
| 2410 | static bool | ||||
| 2411 | some_type_complete_p (int begin, int end) | ||||
| 2412 | { | ||||
| 2413 | for (int i = begin; i < end; i++) | ||||
| 2414 | { | ||||
| 2415 | tree t = (*failed_type_completions)[i]; | ||||
| 2416 | if (TYPE_P (t)(tree_code_type[(int) (((enum tree_code) (t)->base.code))] == tcc_type) && COMPLETE_TYPE_P (t)(((tree_class_check ((t), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2416, __FUNCTION__))->type_common.size) != (tree) __null )) | ||||
| 2417 | return true; | ||||
| 2418 | if (DECL_P (t)(tree_code_type[(int) (((enum tree_code) (t)->base.code))] == tcc_declaration) && !undeduced_auto_decl (t)) | ||||
| 2419 | return true; | ||||
| 2420 | } | ||||
| 2421 | return false; | ||||
| 2422 | } | ||||
| 2423 | |||||
| 2424 | /* Hash functions and data types for satisfaction cache entries. */ | ||||
| 2425 | |||||
| 2426 | struct GTY((for_user)) sat_entry | ||||
| 2427 | { | ||||
| 2428 | /* The relevant ATOMIC_CONSTR. */ | ||||
| 2429 | tree atom; | ||||
| 2430 | |||||
| 2431 | /* The relevant template arguments. */ | ||||
| 2432 | tree args; | ||||
| 2433 | |||||
| 2434 | /* The result of satisfaction of ATOM+ARGS. | ||||
| 2435 | This is either boolean_true_node, boolean_false_node or error_mark_node, | ||||
| 2436 | where error_mark_node indicates ill-formed satisfaction. | ||||
| 2437 | It's set to NULL_TREE while computing satisfaction of ATOM+ARGS for | ||||
| 2438 | the first time. */ | ||||
| 2439 | tree result; | ||||
| 2440 | |||||
| 2441 | /* The value of input_location when satisfaction of ATOM+ARGS was first | ||||
| 2442 | performed. */ | ||||
| 2443 | location_t location; | ||||
| 2444 | |||||
| 2445 | /* The range of elements appended to the failed_type_completions vector | ||||
| 2446 | during computation of this satisfaction result, encoded as a begin/end | ||||
| 2447 | pair of offsets. */ | ||||
| 2448 | int ftc_begin, ftc_end; | ||||
| 2449 | |||||
| 2450 | /* True if we want to diagnose the above instability when it's detected. | ||||
| 2451 | We don't always want to do so, in order to avoid emitting duplicate | ||||
| 2452 | diagnostics in some cases. */ | ||||
| 2453 | bool diagnose_instability; | ||||
| 2454 | |||||
| 2455 | /* True if we're in the middle of computing this satisfaction result. | ||||
| 2456 | Used during both quiet and noisy satisfaction to detect self-recursive | ||||
| 2457 | satisfaction. */ | ||||
| 2458 | bool evaluating; | ||||
| 2459 | }; | ||||
| 2460 | |||||
| 2461 | struct sat_hasher : ggc_ptr_hash<sat_entry> | ||||
| 2462 | { | ||||
| 2463 | static hashval_t hash (sat_entry *e) | ||||
| 2464 | { | ||||
| 2465 | if (ATOMIC_CONSTR_MAP_INSTANTIATED_P (e->atom)((tree_not_check2 (((tree_check ((e->atom), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2465, __FUNCTION__, (ATOMIC_CONSTR)))), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2465, __FUNCTION__, (TREE_VEC), (SSA_NAME)))->base.u.bits .lang_flag_0)) | ||||
| 2466 | { | ||||
| 2467 | /* Atoms with instantiated mappings are built during satisfaction. | ||||
| 2468 | They live only inside the sat_cache, and we build one to query | ||||
| 2469 | the cache with each time we instantiate a mapping. */ | ||||
| 2470 | gcc_assert (!e->args)((void)(!(!e->args) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2470, __FUNCTION__), 0 : 0)); | ||||
| 2471 | return hash_atomic_constraint (e->atom); | ||||
| 2472 | } | ||||
| 2473 | |||||
| 2474 | /* Atoms with uninstantiated mappings are built during normalization. | ||||
| 2475 | Since normalize_atom caches the atoms it returns, we can assume | ||||
| 2476 | pointer-based identity for fast hashing and comparison. Even if this | ||||
| 2477 | assumption is violated, that's okay, we'll just get a cache miss. */ | ||||
| 2478 | hashval_t value = htab_hash_pointer (e->atom); | ||||
| 2479 | |||||
| 2480 | if (tree map = ATOMIC_CONSTR_MAP (e->atom)(*((const_cast<tree*> (tree_operand_check (((tree_check ((e->atom), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2480, __FUNCTION__, (ATOMIC_CONSTR)))), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2480, __FUNCTION__)))))) | ||||
| 2481 | /* Only the parameters that are used in the targets of the mapping | ||||
| 2482 | affect the satisfaction value of the atom. So we consider only | ||||
| 2483 | the arguments for these parameters, and ignore the rest. */ | ||||
| 2484 | for (tree target_parms = TREE_TYPE (map)((contains_struct_check ((map), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2484, __FUNCTION__))->typed.type); | ||||
| 2485 | target_parms; | ||||
| 2486 | target_parms = TREE_CHAIN (target_parms)((contains_struct_check ((target_parms), (TS_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2486, __FUNCTION__))->common.chain)) | ||||
| 2487 | { | ||||
| 2488 | int level, index; | ||||
| 2489 | tree parm = TREE_VALUE (target_parms)((tree_check ((target_parms), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2489, __FUNCTION__, (TREE_LIST)))->list.value); | ||||
| 2490 | template_parm_level_and_index (parm, &level, &index); | ||||
| 2491 | tree arg = TMPL_ARG (e->args, level, index)((*((const_cast<tree *> (tree_vec_elt_check ((((e->args && ((tree_check ((e->args), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2491, __FUNCTION__, (TREE_VEC)))->base.u.length) && (*((const_cast<tree *> (tree_vec_elt_check ((e->args ), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2491, __FUNCTION__))))) && ((enum tree_code) ((*((const_cast <tree *> (tree_vec_elt_check ((e->args), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2491, __FUNCTION__))))))->base.code) == TREE_VEC) ? (*(( const_cast<tree *> (tree_vec_elt_check ((e->args), ( (level) - 1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2491, __FUNCTION__))))) : (e->args))), (index), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2491, __FUNCTION__)))))); | ||||
| 2492 | value = iterative_hash_template_arg (arg, value); | ||||
| 2493 | } | ||||
| 2494 | return value; | ||||
| 2495 | } | ||||
| 2496 | |||||
| 2497 | static bool equal (sat_entry *e1, sat_entry *e2) | ||||
| 2498 | { | ||||
| 2499 | if (ATOMIC_CONSTR_MAP_INSTANTIATED_P (e1->atom)((tree_not_check2 (((tree_check ((e1->atom), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2499, __FUNCTION__, (ATOMIC_CONSTR)))), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2499, __FUNCTION__, (TREE_VEC), (SSA_NAME)))->base.u.bits .lang_flag_0) | ||||
| 2500 | != ATOMIC_CONSTR_MAP_INSTANTIATED_P (e2->atom)((tree_not_check2 (((tree_check ((e2->atom), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2500, __FUNCTION__, (ATOMIC_CONSTR)))), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2500, __FUNCTION__, (TREE_VEC), (SSA_NAME)))->base.u.bits .lang_flag_0)) | ||||
| 2501 | return false; | ||||
| 2502 | |||||
| 2503 | /* See sat_hasher::hash. */ | ||||
| 2504 | if (ATOMIC_CONSTR_MAP_INSTANTIATED_P (e1->atom)((tree_not_check2 (((tree_check ((e1->atom), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2504, __FUNCTION__, (ATOMIC_CONSTR)))), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2504, __FUNCTION__, (TREE_VEC), (SSA_NAME)))->base.u.bits .lang_flag_0)) | ||||
| 2505 | { | ||||
| 2506 | gcc_assert (!e1->args && !e2->args)((void)(!(!e1->args && !e2->args) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2506, __FUNCTION__), 0 : 0)); | ||||
| 2507 | return atomic_constraints_identical_p (e1->atom, e2->atom); | ||||
| 2508 | } | ||||
| 2509 | |||||
| 2510 | if (e1->atom != e2->atom) | ||||
| 2511 | return false; | ||||
| 2512 | |||||
| 2513 | if (tree map = ATOMIC_CONSTR_MAP (e1->atom)(*((const_cast<tree*> (tree_operand_check (((tree_check ((e1->atom), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2513, __FUNCTION__, (ATOMIC_CONSTR)))), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2513, __FUNCTION__)))))) | ||||
| 2514 | for (tree target_parms = TREE_TYPE (map)((contains_struct_check ((map), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2514, __FUNCTION__))->typed.type); | ||||
| 2515 | target_parms; | ||||
| 2516 | target_parms = TREE_CHAIN (target_parms)((contains_struct_check ((target_parms), (TS_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2516, __FUNCTION__))->common.chain)) | ||||
| 2517 | { | ||||
| 2518 | int level, index; | ||||
| 2519 | tree parm = TREE_VALUE (target_parms)((tree_check ((target_parms), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2519, __FUNCTION__, (TREE_LIST)))->list.value); | ||||
| 2520 | template_parm_level_and_index (parm, &level, &index); | ||||
| 2521 | tree arg1 = TMPL_ARG (e1->args, level, index)((*((const_cast<tree *> (tree_vec_elt_check ((((e1-> args && ((tree_check ((e1->args), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2521, __FUNCTION__, (TREE_VEC)))->base.u.length) && (*((const_cast<tree *> (tree_vec_elt_check ((e1->args ), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2521, __FUNCTION__))))) && ((enum tree_code) ((*((const_cast <tree *> (tree_vec_elt_check ((e1->args), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2521, __FUNCTION__))))))->base.code) == TREE_VEC) ? (*(( const_cast<tree *> (tree_vec_elt_check ((e1->args), ( (level) - 1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2521, __FUNCTION__))))) : (e1->args))), (index), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2521, __FUNCTION__)))))); | ||||
| 2522 | tree arg2 = TMPL_ARG (e2->args, level, index)((*((const_cast<tree *> (tree_vec_elt_check ((((e2-> args && ((tree_check ((e2->args), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2522, __FUNCTION__, (TREE_VEC)))->base.u.length) && (*((const_cast<tree *> (tree_vec_elt_check ((e2->args ), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2522, __FUNCTION__))))) && ((enum tree_code) ((*((const_cast <tree *> (tree_vec_elt_check ((e2->args), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2522, __FUNCTION__))))))->base.code) == TREE_VEC) ? (*(( const_cast<tree *> (tree_vec_elt_check ((e2->args), ( (level) - 1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2522, __FUNCTION__))))) : (e2->args))), (index), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2522, __FUNCTION__)))))); | ||||
| 2523 | if (!template_args_equal (arg1, arg2)) | ||||
| 2524 | return false; | ||||
| 2525 | } | ||||
| 2526 | return true; | ||||
| 2527 | } | ||||
| 2528 | }; | ||||
| 2529 | |||||
| 2530 | /* Cache the result of satisfy_atom. */ | ||||
| 2531 | static GTY((deletable)) hash_table<sat_hasher> *sat_cache; | ||||
| 2532 | |||||
| 2533 | /* Cache the result of constraint_satisfaction_value. */ | ||||
| 2534 | static GTY((deletable)) hash_map<tree, tree> *decl_satisfied_cache; | ||||
| 2535 | |||||
| 2536 | /* A tool used by satisfy_atom to help manage satisfaction caching and to | ||||
| 2537 | diagnose "unstable" satisfaction values. We insert into the cache only | ||||
| 2538 | when performing satisfaction quietly. */ | ||||
| 2539 | |||||
| 2540 | struct satisfaction_cache | ||||
| 2541 | { | ||||
| 2542 | satisfaction_cache (tree, tree, sat_info); | ||||
| 2543 | tree get (); | ||||
| 2544 | tree save (tree); | ||||
| 2545 | |||||
| 2546 | sat_entry *entry; | ||||
| 2547 | sat_info info; | ||||
| 2548 | int ftc_begin; | ||||
| 2549 | }; | ||||
| 2550 | |||||
| 2551 | /* Constructor for the satisfaction_cache class. We're performing satisfaction | ||||
| 2552 | of ATOM+ARGS according to INFO. */ | ||||
| 2553 | |||||
| 2554 | satisfaction_cache | ||||
| 2555 | ::satisfaction_cache (tree atom, tree args, sat_info info) | ||||
| 2556 | : entry(nullptr), info(info), ftc_begin(-1) | ||||
| 2557 | { | ||||
| 2558 | if (!sat_cache) | ||||
| 2559 | sat_cache = hash_table<sat_hasher>::create_ggc (31); | ||||
| 2560 | |||||
| 2561 | /* When noisy, we query the satisfaction cache in order to diagnose | ||||
| 2562 | "unstable" satisfaction values. */ | ||||
| 2563 | if (info.noisy ()) | ||||
| 2564 | { | ||||
| 2565 | /* When noisy, constraints have been re-normalized, and that breaks the | ||||
| 2566 | pointer-based identity assumption of sat_cache (for atoms with | ||||
| 2567 | uninstantiated mappings). So undo this re-normalization by looking in | ||||
| 2568 | the atom_cache for the corresponding atom that was used during quiet | ||||
| 2569 | satisfaction. */ | ||||
| 2570 | if (!ATOMIC_CONSTR_MAP_INSTANTIATED_P (atom)((tree_not_check2 (((tree_check ((atom), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2570, __FUNCTION__, (ATOMIC_CONSTR)))), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2570, __FUNCTION__, (TREE_VEC), (SSA_NAME)))->base.u.bits .lang_flag_0)) | ||||
| 2571 | { | ||||
| 2572 | if (tree found = atom_cache->find (atom)) | ||||
| 2573 | atom = found; | ||||
| 2574 | else | ||||
| 2575 | /* The lookup should always succeed, but if it fails then let's | ||||
| 2576 | just leave 'entry' empty, effectively disabling the cache. */ | ||||
| 2577 | return; | ||||
| 2578 | } | ||||
| 2579 | } | ||||
| 2580 | |||||
| 2581 | /* Look up or create the corresponding satisfaction entry. */ | ||||
| 2582 | sat_entry elt; | ||||
| 2583 | elt.atom = atom; | ||||
| 2584 | elt.args = args; | ||||
| 2585 | sat_entry **slot = sat_cache->find_slot (&elt, INSERT); | ||||
| 2586 | if (*slot) | ||||
| 2587 | entry = *slot; | ||||
| 2588 | else if (info.quiet ()) | ||||
| 2589 | { | ||||
| 2590 | entry = ggc_alloc<sat_entry> (); | ||||
| 2591 | entry->atom = atom; | ||||
| 2592 | entry->args = args; | ||||
| 2593 | entry->result = NULL_TREE(tree) __null; | ||||
| 2594 | entry->location = input_location; | ||||
| 2595 | entry->ftc_begin = entry->ftc_end = -1; | ||||
| 2596 | entry->diagnose_instability = false; | ||||
| 2597 | if (ATOMIC_CONSTR_MAP_INSTANTIATED_P (atom)((tree_not_check2 (((tree_check ((atom), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2597, __FUNCTION__, (ATOMIC_CONSTR)))), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2597, __FUNCTION__, (TREE_VEC), (SSA_NAME)))->base.u.bits .lang_flag_0)) | ||||
| 2598 | /* We always want to diagnose instability of an atom with an | ||||
| 2599 | instantiated parameter mapping. For atoms with an uninstantiated | ||||
| 2600 | mapping, we set this flag (in satisfy_atom) only if substitution | ||||
| 2601 | into its mapping previously failed. */ | ||||
| 2602 | entry->diagnose_instability = true; | ||||
| 2603 | entry->evaluating = false; | ||||
| 2604 | *slot = entry; | ||||
| 2605 | } | ||||
| 2606 | else | ||||
| 2607 | /* We shouldn't get here, but if we do, let's just leave 'entry' | ||||
| 2608 | empty, effectively disabling the cache. */ | ||||
| 2609 | return; | ||||
| 2610 | } | ||||
| 2611 | |||||
| 2612 | /* Returns the cached satisfaction result if we have one and we're not | ||||
| 2613 | recomputing the satisfaction result from scratch. Otherwise returns | ||||
| 2614 | NULL_TREE. */ | ||||
| 2615 | |||||
| 2616 | tree | ||||
| 2617 | satisfaction_cache::get () | ||||
| 2618 | { | ||||
| 2619 | if (!entry) | ||||
| 2620 | return NULL_TREE(tree) __null; | ||||
| 2621 | |||||
| 2622 | if (entry->evaluating) | ||||
| 2623 | { | ||||
| 2624 | /* If we get here, it means satisfaction is self-recursive. */ | ||||
| 2625 | gcc_checking_assert (!entry->result)((void)(!(!entry->result) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2625, __FUNCTION__), 0 : 0)); | ||||
| 2626 | if (info.noisy ()) | ||||
| 2627 | error_at (EXPR_LOCATION (ATOMIC_CONSTR_EXPR (entry->atom))((((((tree_check ((((contains_struct_check (((tree_check3 ((( tree_check ((entry->atom), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2627, __FUNCTION__, (ATOMIC_CONSTR)))), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2627, __FUNCTION__, (ATOMIC_CONSTR), (CONJ_CONSTR), (DISJ_CONSTR )))), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2627, __FUNCTION__))->typed.type)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2627, __FUNCTION__, (TREE_LIST)))->list.purpose))) && ((tree_code_type[(int) (((enum tree_code) ((((tree_check ((( (contains_struct_check (((tree_check3 (((tree_check ((entry-> atom), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2627, __FUNCTION__, (ATOMIC_CONSTR)))), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2627, __FUNCTION__, (ATOMIC_CONSTR), (CONJ_CONSTR), (DISJ_CONSTR )))), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2627, __FUNCTION__))->typed.type)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2627, __FUNCTION__, (TREE_LIST)))->list.purpose)))->base .code))]) >= tcc_reference && (tree_code_type[(int ) (((enum tree_code) ((((tree_check ((((contains_struct_check (((tree_check3 (((tree_check ((entry->atom), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2627, __FUNCTION__, (ATOMIC_CONSTR)))), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2627, __FUNCTION__, (ATOMIC_CONSTR), (CONJ_CONSTR), (DISJ_CONSTR )))), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2627, __FUNCTION__))->typed.type)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2627, __FUNCTION__, (TREE_LIST)))->list.purpose)))->base .code))]) <= tcc_expression)) ? (((tree_check ((((contains_struct_check (((tree_check3 (((tree_check ((entry->atom), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2627, __FUNCTION__, (ATOMIC_CONSTR)))), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2627, __FUNCTION__, (ATOMIC_CONSTR), (CONJ_CONSTR), (DISJ_CONSTR )))), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2627, __FUNCTION__))->typed.type)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2627, __FUNCTION__, (TREE_LIST)))->list.purpose))->exp .locus : ((location_t) 0)), | ||||
| 2628 | "satisfaction of atomic constraint %qE depends on itself", | ||||
| 2629 | entry->atom); | ||||
| 2630 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 2631 | } | ||||
| 2632 | |||||
| 2633 | /* This satisfaction result is "potentially unstable" if a type for which | ||||
| 2634 | type completion failed during its earlier computation is now complete. */ | ||||
| 2635 | bool maybe_unstable = some_type_complete_p (entry->ftc_begin, | ||||
| 2636 | entry->ftc_end); | ||||
| 2637 | |||||
| 2638 | if (info.noisy () || maybe_unstable || !entry->result) | ||||
| 2639 | { | ||||
| 2640 | /* We're computing the satisfaction result from scratch. */ | ||||
| 2641 | entry->evaluating = true; | ||||
| 2642 | ftc_begin = vec_safe_length (failed_type_completions); | ||||
| 2643 | return NULL_TREE(tree) __null; | ||||
| 2644 | } | ||||
| 2645 | else | ||||
| 2646 | return entry->result; | ||||
| 2647 | } | ||||
| 2648 | |||||
| 2649 | /* RESULT is the computed satisfaction result. If RESULT differs from the | ||||
| 2650 | previously cached result, this routine issues an appropriate error. | ||||
| 2651 | Otherwise, when evaluating quietly, updates the cache appropriately. */ | ||||
| 2652 | |||||
| 2653 | tree | ||||
| 2654 | satisfaction_cache::save (tree result) | ||||
| 2655 | { | ||||
| 2656 | if (!entry) | ||||
| 2657 | return result; | ||||
| 2658 | |||||
| 2659 | gcc_checking_assert (entry->evaluating)((void)(!(entry->evaluating) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2659, __FUNCTION__), 0 : 0)); | ||||
| 2660 | entry->evaluating = false; | ||||
| 2661 | |||||
| 2662 | if (entry->result && result != entry->result) | ||||
| 2663 | { | ||||
| 2664 | if (info.quiet ()) | ||||
| 2665 | /* Return error_mark_node to force satisfaction to get replayed | ||||
| 2666 | noisily. */ | ||||
| 2667 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 2668 | else | ||||
| 2669 | { | ||||
| 2670 | if (entry->diagnose_instability) | ||||
| 2671 | { | ||||
| 2672 | auto_diagnostic_group d; | ||||
| 2673 | error_at (EXPR_LOCATION (ATOMIC_CONSTR_EXPR (entry->atom))((((((tree_check ((((contains_struct_check (((tree_check3 ((( tree_check ((entry->atom), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2673, __FUNCTION__, (ATOMIC_CONSTR)))), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2673, __FUNCTION__, (ATOMIC_CONSTR), (CONJ_CONSTR), (DISJ_CONSTR )))), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2673, __FUNCTION__))->typed.type)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2673, __FUNCTION__, (TREE_LIST)))->list.purpose))) && ((tree_code_type[(int) (((enum tree_code) ((((tree_check ((( (contains_struct_check (((tree_check3 (((tree_check ((entry-> atom), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2673, __FUNCTION__, (ATOMIC_CONSTR)))), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2673, __FUNCTION__, (ATOMIC_CONSTR), (CONJ_CONSTR), (DISJ_CONSTR )))), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2673, __FUNCTION__))->typed.type)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2673, __FUNCTION__, (TREE_LIST)))->list.purpose)))->base .code))]) >= tcc_reference && (tree_code_type[(int ) (((enum tree_code) ((((tree_check ((((contains_struct_check (((tree_check3 (((tree_check ((entry->atom), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2673, __FUNCTION__, (ATOMIC_CONSTR)))), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2673, __FUNCTION__, (ATOMIC_CONSTR), (CONJ_CONSTR), (DISJ_CONSTR )))), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2673, __FUNCTION__))->typed.type)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2673, __FUNCTION__, (TREE_LIST)))->list.purpose)))->base .code))]) <= tcc_expression)) ? (((tree_check ((((contains_struct_check (((tree_check3 (((tree_check ((entry->atom), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2673, __FUNCTION__, (ATOMIC_CONSTR)))), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2673, __FUNCTION__, (ATOMIC_CONSTR), (CONJ_CONSTR), (DISJ_CONSTR )))), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2673, __FUNCTION__))->typed.type)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2673, __FUNCTION__, (TREE_LIST)))->list.purpose))->exp .locus : ((location_t) 0)), | ||||
| 2674 | "satisfaction value of atomic constraint %qE changed " | ||||
| 2675 | "from %qE to %qE", entry->atom, entry->result, result); | ||||
| 2676 | inform (entry->location, | ||||
| 2677 | "satisfaction value first evaluated to %qE from here", | ||||
| 2678 | entry->result); | ||||
| 2679 | } | ||||
| 2680 | /* For sake of error recovery, allow this latest satisfaction result | ||||
| 2681 | to prevail. */ | ||||
| 2682 | entry->result = result; | ||||
| 2683 | return result; | ||||
| 2684 | } | ||||
| 2685 | } | ||||
| 2686 | |||||
| 2687 | if (info.quiet ()) | ||||
| 2688 | { | ||||
| 2689 | entry->result = result; | ||||
| 2690 | /* Store into this entry the list of relevant failed type completions | ||||
| 2691 | that occurred during (re)computation of the satisfaction result. */ | ||||
| 2692 | gcc_checking_assert (ftc_begin != -1)((void)(!(ftc_begin != -1) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2692, __FUNCTION__), 0 : 0)); | ||||
| 2693 | entry->ftc_begin = ftc_begin; | ||||
| 2694 | entry->ftc_end = vec_safe_length (failed_type_completions); | ||||
| 2695 | } | ||||
| 2696 | |||||
| 2697 | return result; | ||||
| 2698 | } | ||||
| 2699 | |||||
| 2700 | /* Substitute ARGS into constraint-expression T during instantiation of | ||||
| 2701 | a member of a class template. */ | ||||
| 2702 | |||||
| 2703 | tree | ||||
| 2704 | tsubst_constraint (tree t, tree args, tsubst_flags_t complain, tree in_decl) | ||||
| 2705 | { | ||||
| 2706 | /* We also don't want to evaluate concept-checks when substituting the | ||||
| 2707 | constraint-expressions of a declaration. */ | ||||
| 2708 | processing_constraint_expression_sentinel s; | ||||
| 2709 | tree expr = tsubst_expr (t, args, complain, in_decl, false); | ||||
| 2710 | return expr; | ||||
| 2711 | } | ||||
| 2712 | |||||
| 2713 | static tree satisfy_constraint_r (tree, tree, sat_info info); | ||||
| 2714 | |||||
| 2715 | /* Compute the satisfaction of a conjunction. */ | ||||
| 2716 | |||||
| 2717 | static tree | ||||
| 2718 | satisfy_conjunction (tree t, tree args, sat_info info) | ||||
| 2719 | { | ||||
| 2720 | tree lhs = satisfy_constraint_r (TREE_OPERAND (t, 0)(*((const_cast<tree*> (tree_operand_check ((t), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2720, __FUNCTION__))))), args, info); | ||||
| 2721 | if (lhs == error_mark_nodeglobal_trees[TI_ERROR_MARK] || lhs == boolean_false_nodeglobal_trees[TI_BOOLEAN_FALSE]) | ||||
| 2722 | return lhs; | ||||
| 2723 | return satisfy_constraint_r (TREE_OPERAND (t, 1)(*((const_cast<tree*> (tree_operand_check ((t), (1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2723, __FUNCTION__))))), args, info); | ||||
| 2724 | } | ||||
| 2725 | |||||
| 2726 | /* The current depth at which we're replaying an error during recursive | ||||
| 2727 | diagnosis of a constraint satisfaction failure. */ | ||||
| 2728 | |||||
| 2729 | static int current_constraint_diagnosis_depth; | ||||
| 2730 | |||||
| 2731 | /* Whether CURRENT_CONSTRAINT_DIAGNOSIS_DEPTH has ever exceeded | ||||
| 2732 | CONCEPTS_DIAGNOSTICS_MAX_DEPTH during recursive diagnosis of a constraint | ||||
| 2733 | satisfaction error. */ | ||||
| 2734 | |||||
| 2735 | static bool concepts_diagnostics_max_depth_exceeded_p; | ||||
| 2736 | |||||
| 2737 | /* Recursive subroutine of collect_operands_of_disjunction. T is a normalized | ||||
| 2738 | subexpression of a constraint (composed of CONJ_CONSTRs and DISJ_CONSTRs) | ||||
| 2739 | and E is the corresponding unnormalized subexpression (composed of | ||||
| 2740 | TRUTH_ANDIF_EXPRs and TRUTH_ORIF_EXPRs). */ | ||||
| 2741 | |||||
| 2742 | static void | ||||
| 2743 | collect_operands_of_disjunction_r (tree t, tree e, | ||||
| 2744 | auto_vec<tree_pair> *operands) | ||||
| 2745 | { | ||||
| 2746 | if (TREE_CODE (e)((enum tree_code) (e)->base.code) == TRUTH_ORIF_EXPR) | ||||
| 2747 | { | ||||
| 2748 | collect_operands_of_disjunction_r (TREE_OPERAND (t, 0)(*((const_cast<tree*> (tree_operand_check ((t), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2748, __FUNCTION__))))), | ||||
| 2749 | TREE_OPERAND (e, 0)(*((const_cast<tree*> (tree_operand_check ((e), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2749, __FUNCTION__))))), operands); | ||||
| 2750 | collect_operands_of_disjunction_r (TREE_OPERAND (t, 1)(*((const_cast<tree*> (tree_operand_check ((t), (1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2750, __FUNCTION__))))), | ||||
| 2751 | TREE_OPERAND (e, 1)(*((const_cast<tree*> (tree_operand_check ((e), (1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2751, __FUNCTION__))))), operands); | ||||
| 2752 | } | ||||
| 2753 | else | ||||
| 2754 | { | ||||
| 2755 | tree_pair p = std::make_pair (t, e); | ||||
| 2756 | operands->safe_push (p); | ||||
| 2757 | } | ||||
| 2758 | } | ||||
| 2759 | |||||
| 2760 | /* Recursively collect the normalized and unnormalized operands of the | ||||
| 2761 | disjunction T and append them to OPERANDS in order. */ | ||||
| 2762 | |||||
| 2763 | static void | ||||
| 2764 | collect_operands_of_disjunction (tree t, auto_vec<tree_pair> *operands) | ||||
| 2765 | { | ||||
| 2766 | collect_operands_of_disjunction_r (t, CONSTR_EXPR (t)((tree_check ((((contains_struct_check (((tree_check3 ((t), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2766, __FUNCTION__, (ATOMIC_CONSTR), (CONJ_CONSTR), (DISJ_CONSTR )))), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2766, __FUNCTION__))->typed.type)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2766, __FUNCTION__, (TREE_LIST)))->list.purpose), operands); | ||||
| 2767 | } | ||||
| 2768 | |||||
| 2769 | /* Compute the satisfaction of a disjunction. */ | ||||
| 2770 | |||||
| 2771 | static tree | ||||
| 2772 | satisfy_disjunction (tree t, tree args, sat_info info) | ||||
| 2773 | { | ||||
| 2774 | /* Evaluate each operand with unsatisfaction diagnostics disabled. */ | ||||
| 2775 | sat_info sub = info; | ||||
| 2776 | sub.diagnose_unsatisfaction = false; | ||||
| 2777 | |||||
| 2778 | tree lhs = satisfy_constraint_r (TREE_OPERAND (t, 0)(*((const_cast<tree*> (tree_operand_check ((t), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2778, __FUNCTION__))))), args, sub); | ||||
| 2779 | if (lhs == boolean_true_nodeglobal_trees[TI_BOOLEAN_TRUE] || lhs == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 2780 | return lhs; | ||||
| 2781 | |||||
| 2782 | tree rhs = satisfy_constraint_r (TREE_OPERAND (t, 1)(*((const_cast<tree*> (tree_operand_check ((t), (1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2782, __FUNCTION__))))), args, sub); | ||||
| 2783 | if (rhs == boolean_true_nodeglobal_trees[TI_BOOLEAN_TRUE] || rhs == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 2784 | return rhs; | ||||
| 2785 | |||||
| 2786 | /* Both branches evaluated to false. Explain the satisfaction failure in | ||||
| 2787 | each branch. */ | ||||
| 2788 | if (info.diagnose_unsatisfaction_p ()) | ||||
| 2789 | { | ||||
| 2790 | diagnosing_failed_constraint failure (t, args, info.noisy ()); | ||||
| 2791 | cp_expr disj_expr = CONSTR_EXPR (t)((tree_check ((((contains_struct_check (((tree_check3 ((t), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2791, __FUNCTION__, (ATOMIC_CONSTR), (CONJ_CONSTR), (DISJ_CONSTR )))), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2791, __FUNCTION__))->typed.type)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2791, __FUNCTION__, (TREE_LIST)))->list.purpose); | ||||
| 2792 | inform (disj_expr.get_location (), | ||||
| 2793 | "no operand of the disjunction is satisfied"); | ||||
| 2794 | if (diagnosing_failed_constraint::replay_errors_p ()) | ||||
| 2795 | { | ||||
| 2796 | /* Replay the error in each branch of the disjunction. */ | ||||
| 2797 | auto_vec<tree_pair> operands; | ||||
| 2798 | collect_operands_of_disjunction (t, &operands); | ||||
| 2799 | for (unsigned i = 0; i < operands.length (); i++) | ||||
| 2800 | { | ||||
| 2801 | tree norm_op = operands[i].first; | ||||
| 2802 | tree op = operands[i].second; | ||||
| 2803 | location_t loc = make_location (cp_expr_location (op), | ||||
| 2804 | disj_expr.get_start (), | ||||
| 2805 | disj_expr.get_finish ()); | ||||
| 2806 | inform (loc, "the operand %qE is unsatisfied because", op); | ||||
| 2807 | satisfy_constraint_r (norm_op, args, info); | ||||
| 2808 | } | ||||
| 2809 | } | ||||
| 2810 | } | ||||
| 2811 | |||||
| 2812 | return boolean_false_nodeglobal_trees[TI_BOOLEAN_FALSE]; | ||||
| 2813 | } | ||||
| 2814 | |||||
| 2815 | /* Ensures that T is a truth value and not (accidentally, as sometimes | ||||
| 2816 | happens) an integer value. */ | ||||
| 2817 | |||||
| 2818 | tree | ||||
| 2819 | satisfaction_value (tree t) | ||||
| 2820 | { | ||||
| 2821 | if (t == error_mark_nodeglobal_trees[TI_ERROR_MARK] || t == boolean_true_nodeglobal_trees[TI_BOOLEAN_TRUE] || t == boolean_false_nodeglobal_trees[TI_BOOLEAN_FALSE]) | ||||
| 2822 | return t; | ||||
| 2823 | |||||
| 2824 | gcc_assert (TREE_CODE (t) == INTEGER_CST((void)(!(((enum tree_code) (t)->base.code) == INTEGER_CST && comptypes ((((contains_struct_check ((t), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2825, __FUNCTION__))->typed.type)), (global_trees[TI_BOOLEAN_TYPE ]), 0)) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2825, __FUNCTION__), 0 : 0)) | ||||
| 2825 | && same_type_p (TREE_TYPE (t), boolean_type_node))((void)(!(((enum tree_code) (t)->base.code) == INTEGER_CST && comptypes ((((contains_struct_check ((t), (TS_TYPED ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2825, __FUNCTION__))->typed.type)), (global_trees[TI_BOOLEAN_TYPE ]), 0)) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2825, __FUNCTION__), 0 : 0)); | ||||
| 2826 | if (integer_zerop (t)) | ||||
| 2827 | return boolean_false_nodeglobal_trees[TI_BOOLEAN_FALSE]; | ||||
| 2828 | else | ||||
| 2829 | return boolean_true_nodeglobal_trees[TI_BOOLEAN_TRUE]; | ||||
| 2830 | } | ||||
| 2831 | |||||
| 2832 | /* Build a new template argument list with template arguments corresponding | ||||
| 2833 | to the parameters used in an atomic constraint. */ | ||||
| 2834 | |||||
| 2835 | tree | ||||
| 2836 | get_mapped_args (tree map) | ||||
| 2837 | { | ||||
| 2838 | /* No map, no arguments. */ | ||||
| 2839 | if (!map) | ||||
| 2840 | return NULL_TREE(tree) __null; | ||||
| 2841 | |||||
| 2842 | /* Find the mapped parameter with the highest level. */ | ||||
| 2843 | int count = 0; | ||||
| 2844 | for (tree p = map; p; p = TREE_CHAIN (p)((contains_struct_check ((p), (TS_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2844, __FUNCTION__))->common.chain)) | ||||
| 2845 | { | ||||
| 2846 | int level; | ||||
| 2847 | int index; | ||||
| 2848 | template_parm_level_and_index (TREE_VALUE (p)((tree_check ((p), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2848, __FUNCTION__, (TREE_LIST)))->list.value), &level, &index); | ||||
| 2849 | if (level > count) | ||||
| 2850 | count = level; | ||||
| 2851 | } | ||||
| 2852 | |||||
| 2853 | /* Place each argument at its corresponding position in the argument | ||||
| 2854 | list. Note that the list will be sparse (not all arguments supplied), | ||||
| 2855 | but instantiation is guaranteed to only use the parameters in the | ||||
| 2856 | mapping, so null arguments would never be used. */ | ||||
| 2857 | auto_vec< vec<tree> > lists (count); | ||||
| 2858 | lists.quick_grow_cleared (count); | ||||
| 2859 | for (tree p = map; p; p = TREE_CHAIN (p)((contains_struct_check ((p), (TS_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2859, __FUNCTION__))->common.chain)) | ||||
| 2860 | { | ||||
| 2861 | int level; | ||||
| 2862 | int index; | ||||
| 2863 | template_parm_level_and_index (TREE_VALUE (p)((tree_check ((p), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2863, __FUNCTION__, (TREE_LIST)))->list.value), &level, &index); | ||||
| 2864 | |||||
| 2865 | /* Insert the argument into its corresponding position. */ | ||||
| 2866 | vec<tree> &list = lists[level - 1]; | ||||
| 2867 | if (index >= (int)list.length ()) | ||||
| 2868 | list.safe_grow_cleared (index + 1, true); | ||||
| 2869 | list[index] = TREE_PURPOSE (p)((tree_check ((p), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2869, __FUNCTION__, (TREE_LIST)))->list.purpose); | ||||
| 2870 | } | ||||
| 2871 | |||||
| 2872 | /* Build the new argument list. */ | ||||
| 2873 | tree args = make_tree_vec (lists.length ()); | ||||
| 2874 | for (unsigned i = 0; i != lists.length (); ++i) | ||||
| 2875 | { | ||||
| 2876 | vec<tree> &list = lists[i]; | ||||
| 2877 | tree level = make_tree_vec (list.length ()); | ||||
| 2878 | for (unsigned j = 0; j < list.length(); ++j) | ||||
| 2879 | TREE_VEC_ELT (level, j)(*((const_cast<tree *> (tree_vec_elt_check ((level), (j ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2879, __FUNCTION__))))) = list[j]; | ||||
| 2880 | SET_TMPL_ARGS_LEVEL (args, i + 1, level)((*((const_cast<tree *> (tree_vec_elt_check ((args), (( i + 1) - 1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2880, __FUNCTION__))))) = (level)); | ||||
| 2881 | list.release (); | ||||
| 2882 | } | ||||
| 2883 | SET_NON_DEFAULT_TEMPLATE_ARGS_COUNT (args, 0)((contains_struct_check (((tree_check ((args), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2883, __FUNCTION__, (TREE_VEC)))), (TS_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2883, __FUNCTION__))->common.chain) = build_int_cst ((tree ) __null, 0); | ||||
| 2884 | |||||
| 2885 | return args; | ||||
| 2886 | } | ||||
| 2887 | |||||
| 2888 | static void diagnose_atomic_constraint (tree, tree, tree, subst_info); | ||||
| 2889 | |||||
| 2890 | /* Compute the satisfaction of an atomic constraint. */ | ||||
| 2891 | |||||
| 2892 | static tree | ||||
| 2893 | satisfy_atom (tree t, tree args, sat_info info) | ||||
| 2894 | { | ||||
| 2895 | /* In case there is a diagnostic, we want to establish the context | ||||
| 2896 | prior to printing errors. If no errors occur, this context is | ||||
| 2897 | removed before returning. */ | ||||
| 2898 | diagnosing_failed_constraint failure (t, args, info.noisy ()); | ||||
| 2899 | |||||
| 2900 | satisfaction_cache cache (t, args, info); | ||||
| 2901 | if (tree r = cache.get ()) | ||||
| 2902 | return r; | ||||
| 2903 | |||||
| 2904 | /* Perform substitution quietly. */ | ||||
| 2905 | subst_info quiet (tf_none, NULL_TREE(tree) __null); | ||||
| 2906 | |||||
| 2907 | /* Instantiate the parameter mapping. */ | ||||
| 2908 | tree map = tsubst_parameter_mapping (ATOMIC_CONSTR_MAP (t)(*((const_cast<tree*> (tree_operand_check (((tree_check ((t), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2908, __FUNCTION__, (ATOMIC_CONSTR)))), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2908, __FUNCTION__))))), args, quiet); | ||||
| 2909 | if (map == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 2910 | { | ||||
| 2911 | /* If instantiation of the parameter mapping fails, the constraint is | ||||
| 2912 | not satisfied. Replay the substitution. */ | ||||
| 2913 | if (info.diagnose_unsatisfaction_p ()) | ||||
| 2914 | tsubst_parameter_mapping (ATOMIC_CONSTR_MAP (t)(*((const_cast<tree*> (tree_operand_check (((tree_check ((t), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2914, __FUNCTION__, (ATOMIC_CONSTR)))), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2914, __FUNCTION__))))), args, info); | ||||
| 2915 | if (info.quiet ()) | ||||
| 2916 | /* Since instantiation of the parameter mapping failed, we | ||||
| 2917 | want to diagnose potential instability of this satisfaction | ||||
| 2918 | result. */ | ||||
| 2919 | cache.entry->diagnose_instability = true; | ||||
| 2920 | return cache.save (boolean_false_nodeglobal_trees[TI_BOOLEAN_FALSE]); | ||||
| 2921 | } | ||||
| 2922 | |||||
| 2923 | /* Now build a new atom using the instantiated mapping. We use | ||||
| 2924 | this atom as a second key to the satisfaction cache, and we | ||||
| 2925 | also pass it to diagnose_atomic_constraint so that diagnostics | ||||
| 2926 | which refer to the atom display the instantiated mapping. */ | ||||
| 2927 | t = copy_node (t); | ||||
| 2928 | ATOMIC_CONSTR_MAP (t)(*((const_cast<tree*> (tree_operand_check (((tree_check ((t), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2928, __FUNCTION__, (ATOMIC_CONSTR)))), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2928, __FUNCTION__))))) = map; | ||||
| 2929 | gcc_assert (!ATOMIC_CONSTR_MAP_INSTANTIATED_P (t))((void)(!(!((tree_not_check2 (((tree_check ((t), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2929, __FUNCTION__, (ATOMIC_CONSTR)))), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2929, __FUNCTION__, (TREE_VEC), (SSA_NAME)))->base.u.bits .lang_flag_0)) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2929, __FUNCTION__), 0 : 0)); | ||||
| 2930 | ATOMIC_CONSTR_MAP_INSTANTIATED_P (t)((tree_not_check2 (((tree_check ((t), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2930, __FUNCTION__, (ATOMIC_CONSTR)))), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2930, __FUNCTION__, (TREE_VEC), (SSA_NAME)))->base.u.bits .lang_flag_0) = true; | ||||
| 2931 | satisfaction_cache inst_cache (t, /*args=*/NULL_TREE(tree) __null, info); | ||||
| 2932 | if (tree r = inst_cache.get ()) | ||||
| 2933 | { | ||||
| 2934 | cache.entry->location = inst_cache.entry->location; | ||||
| 2935 | return cache.save (r); | ||||
| 2936 | } | ||||
| 2937 | |||||
| 2938 | /* Rebuild the argument vector from the parameter mapping. */ | ||||
| 2939 | args = get_mapped_args (map); | ||||
| 2940 | |||||
| 2941 | /* Apply the parameter mapping (i.e., just substitute). */ | ||||
| 2942 | tree expr = ATOMIC_CONSTR_EXPR (t)((tree_check ((((contains_struct_check (((tree_check3 (((tree_check ((t), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2942, __FUNCTION__, (ATOMIC_CONSTR)))), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2942, __FUNCTION__, (ATOMIC_CONSTR), (CONJ_CONSTR), (DISJ_CONSTR )))), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2942, __FUNCTION__))->typed.type)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2942, __FUNCTION__, (TREE_LIST)))->list.purpose); | ||||
| 2943 | tree result = tsubst_expr (expr, args, quiet.complain, quiet.in_decl, false); | ||||
| 2944 | if (result == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 2945 | { | ||||
| 2946 | /* If substitution results in an invalid type or expression, the constraint | ||||
| 2947 | is not satisfied. Replay the substitution. */ | ||||
| 2948 | if (info.diagnose_unsatisfaction_p ()) | ||||
| 2949 | tsubst_expr (expr, args, info.complain, info.in_decl, false); | ||||
| 2950 | return cache.save (inst_cache.save (boolean_false_nodeglobal_trees[TI_BOOLEAN_FALSE])); | ||||
| 2951 | } | ||||
| 2952 | |||||
| 2953 | /* [17.4.1.2] ... lvalue-to-rvalue conversion is performed as necessary, | ||||
| 2954 | and EXPR shall be a constant expression of type bool. */ | ||||
| 2955 | result = force_rvalue (result, info.complain); | ||||
| 2956 | if (result == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 2957 | return cache.save (inst_cache.save (error_mark_nodeglobal_trees[TI_ERROR_MARK])); | ||||
| 2958 | if (!same_type_p (TREE_TYPE (result), boolean_type_node)comptypes ((((contains_struct_check ((result), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2958, __FUNCTION__))->typed.type)), (global_trees[TI_BOOLEAN_TYPE ]), 0)) | ||||
| 2959 | { | ||||
| 2960 | if (info.noisy ()) | ||||
| 2961 | diagnose_atomic_constraint (t, map, result, info); | ||||
| 2962 | return cache.save (inst_cache.save (error_mark_nodeglobal_trees[TI_ERROR_MARK])); | ||||
| 2963 | } | ||||
| 2964 | |||||
| 2965 | /* Compute the value of the constraint. */ | ||||
| 2966 | if (info.noisy ()) | ||||
| 2967 | result = cxx_constant_value (result); | ||||
| 2968 | else | ||||
| 2969 | { | ||||
| 2970 | result = maybe_constant_value (result, NULL_TREE(tree) __null, | ||||
| 2971 | /*manifestly_const_eval=*/true); | ||||
| 2972 | if (!TREE_CONSTANT (result)((non_type_check ((result), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 2972, __FUNCTION__))->base.constant_flag)) | ||||
| 2973 | result = error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 2974 | } | ||||
| 2975 | result = satisfaction_value (result); | ||||
| 2976 | if (result == boolean_false_nodeglobal_trees[TI_BOOLEAN_FALSE] && info.diagnose_unsatisfaction_p ()) | ||||
| 2977 | diagnose_atomic_constraint (t, map, result, info); | ||||
| 2978 | |||||
| 2979 | return cache.save (inst_cache.save (result)); | ||||
| 2980 | } | ||||
| 2981 | |||||
| 2982 | /* Determine if the normalized constraint T is satisfied. | ||||
| 2983 | Returns boolean_true_node if the expression/constraint is | ||||
| 2984 | satisfied, boolean_false_node if not, and error_mark_node | ||||
| 2985 | if the there was an error evaluating the constraint. | ||||
| 2986 | |||||
| 2987 | The parameter mapping of atomic constraints is simply the | ||||
| 2988 | set of template arguments that will be substituted into | ||||
| 2989 | the expression, regardless of template parameters appearing | ||||
| 2990 | withing. Whether a template argument is used in the atomic | ||||
| 2991 | constraint only matters for subsumption. */ | ||||
| 2992 | |||||
| 2993 | static tree | ||||
| 2994 | satisfy_constraint_r (tree t, tree args, sat_info info) | ||||
| 2995 | { | ||||
| 2996 | if (t == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 2997 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 2998 | |||||
| 2999 | switch (TREE_CODE (t)((enum tree_code) (t)->base.code)) | ||||
| 3000 | { | ||||
| 3001 | case CONJ_CONSTR: | ||||
| 3002 | return satisfy_conjunction (t, args, info); | ||||
| 3003 | case DISJ_CONSTR: | ||||
| 3004 | return satisfy_disjunction (t, args, info); | ||||
| 3005 | case ATOMIC_CONSTR: | ||||
| 3006 | return satisfy_atom (t, args, info); | ||||
| 3007 | default: | ||||
| 3008 | gcc_unreachable ()(fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3008, __FUNCTION__)); | ||||
| 3009 | } | ||||
| 3010 | } | ||||
| 3011 | |||||
| 3012 | /* Check that the normalized constraint T is satisfied for ARGS. */ | ||||
| 3013 | |||||
| 3014 | static tree | ||||
| 3015 | satisfy_constraint (tree t, tree args, sat_info info) | ||||
| 3016 | { | ||||
| 3017 | auto_timevar time (TV_CONSTRAINT_SAT); | ||||
| 3018 | |||||
| 3019 | auto ovr = make_temp_override (satisfying_constraint, true); | ||||
| 3020 | |||||
| 3021 | /* Turn off template processing. Constraint satisfaction only applies | ||||
| 3022 | to non-dependent terms, so we want to ensure full checking here. */ | ||||
| 3023 | processing_template_decl_sentinel proc (true); | ||||
| 3024 | |||||
| 3025 | /* We need to check access during satisfaction. */ | ||||
| 3026 | deferring_access_check_sentinel acs (dk_no_deferred); | ||||
| 3027 | |||||
| 3028 | return satisfy_constraint_r (t, args, info); | ||||
| 3029 | } | ||||
| 3030 | |||||
| 3031 | /* Check the normalized constraints T against ARGS, returning a satisfaction | ||||
| 3032 | value (either true, false, or error). */ | ||||
| 3033 | |||||
| 3034 | static tree | ||||
| 3035 | satisfy_associated_constraints (tree t, tree args, sat_info info) | ||||
| 3036 | { | ||||
| 3037 | /* If there are no constraints then this is trivially satisfied. */ | ||||
| 3038 | if (!t) | ||||
| 3039 | return boolean_true_nodeglobal_trees[TI_BOOLEAN_TRUE]; | ||||
| 3040 | |||||
| 3041 | /* If any arguments depend on template parameters, we can't | ||||
| 3042 | check constraints. Pretend they're satisfied for now. */ | ||||
| 3043 | if (args && uses_template_parms (args)) | ||||
| 3044 | return boolean_true_nodeglobal_trees[TI_BOOLEAN_TRUE]; | ||||
| 3045 | |||||
| 3046 | return satisfy_constraint (t, args, info); | ||||
| 3047 | } | ||||
| 3048 | |||||
| 3049 | /* Evaluate EXPR as a constraint expression using ARGS, returning a | ||||
| 3050 | satisfaction value. */ | ||||
| 3051 | |||||
| 3052 | static tree | ||||
| 3053 | satisfy_constraint_expression (tree t, tree args, sat_info info) | ||||
| 3054 | { | ||||
| 3055 | if (t == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 3056 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 3057 | |||||
| 3058 | gcc_assert (EXPR_P (t))((void)(!(((tree_code_type[(int) (((enum tree_code) (t)->base .code))]) >= tcc_reference && (tree_code_type[(int ) (((enum tree_code) (t)->base.code))]) <= tcc_expression )) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3058, __FUNCTION__), 0 : 0)); | ||||
| 3059 | |||||
| 3060 | /* Get the normalized constraints. */ | ||||
| 3061 | tree norm; | ||||
| 3062 | if (args == NULL_TREE(tree) __null && concept_check_p (t)) | ||||
| 3063 | { | ||||
| 3064 | tree id = unpack_concept_check (t); | ||||
| 3065 | args = TREE_OPERAND (id, 1)(*((const_cast<tree*> (tree_operand_check ((id), (1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3065, __FUNCTION__))))); | ||||
| 3066 | tree tmpl = get_concept_check_template (id); | ||||
| 3067 | norm = normalize_concept_definition (tmpl, info.noisy ()); | ||||
| 3068 | } | ||||
| 3069 | else | ||||
| 3070 | norm = normalize_constraint_expression (t, info.noisy ()); | ||||
| 3071 | |||||
| 3072 | /* Perform satisfaction. */ | ||||
| 3073 | return satisfy_constraint (norm, args, info); | ||||
| 3074 | } | ||||
| 3075 | |||||
| 3076 | /* Used only to evaluate requires-expressions during constant expression | ||||
| 3077 | evaluation. */ | ||||
| 3078 | |||||
| 3079 | tree | ||||
| 3080 | satisfy_constraint_expression (tree expr) | ||||
| 3081 | { | ||||
| 3082 | sat_info info (tf_none, NULL_TREE(tree) __null); | ||||
| 3083 | return satisfy_constraint_expression (expr, NULL_TREE(tree) __null, info); | ||||
| 3084 | } | ||||
| 3085 | |||||
| 3086 | static tree | ||||
| 3087 | satisfy_declaration_constraints (tree t, sat_info info) | ||||
| 3088 | { | ||||
| 3089 | gcc_assert (DECL_P (t))((void)(!((tree_code_type[(int) (((enum tree_code) (t)->base .code))] == tcc_declaration)) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3089, __FUNCTION__), 0 : 0)); | ||||
| 3090 | const tree saved_t = t; | ||||
| 3091 | |||||
| 3092 | /* For inherited constructors, consider the original declaration; | ||||
| 3093 | it has the correct template information attached. */ | ||||
| 3094 | t = strip_inheriting_ctors (t); | ||||
| 3095 | tree inh_ctor_targs = NULL_TREE(tree) __null; | ||||
| 3096 | if (t != saved_t) | ||||
| 3097 | if (tree ti = DECL_TEMPLATE_INFO (saved_t)(((contains_struct_check ((template_info_decl_check ((saved_t ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3097, __FUNCTION__)), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3097, __FUNCTION__))->decl_common.lang_specific) ->u. min.template_info)) | ||||
| 3098 | /* The inherited constructor points to an instantiation of a constructor | ||||
| 3099 | template; remember its template arguments. */ | ||||
| 3100 | inh_ctor_targs = TI_ARGS (ti)((struct tree_template_info*)(tree_check ((ti), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3100, __FUNCTION__, (TEMPLATE_INFO))))->args; | ||||
| 3101 | |||||
| 3102 | /* Update the declaration for diagnostics. */ | ||||
| 3103 | info.in_decl = t; | ||||
| 3104 | |||||
| 3105 | if (info.quiet ()) | ||||
| 3106 | if (tree *result = hash_map_safe_get (decl_satisfied_cache, saved_t)) | ||||
| 3107 | return *result; | ||||
| 3108 | |||||
| 3109 | /* Get the normalized constraints. */ | ||||
| 3110 | tree norm = NULL_TREE(tree) __null; | ||||
| 3111 | tree args = NULL_TREE(tree) __null; | ||||
| 3112 | if (tree ti = DECL_TEMPLATE_INFO (t)(((contains_struct_check ((template_info_decl_check ((t), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3112, __FUNCTION__)), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3112, __FUNCTION__))->decl_common.lang_specific) ->u. min.template_info)) | ||||
| 3113 | { | ||||
| 3114 | tree tmpl = TI_TEMPLATE (ti)((struct tree_template_info*)(tree_check ((ti), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3114, __FUNCTION__, (TEMPLATE_INFO))))->tmpl; | ||||
| 3115 | norm = normalize_template_requirements (tmpl, info.noisy ()); | ||||
| 3116 | |||||
| 3117 | /* The initial parameter mapping is the complete set of | ||||
| 3118 | template arguments substituted into the declaration. */ | ||||
| 3119 | args = TI_ARGS (ti)((struct tree_template_info*)(tree_check ((ti), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3119, __FUNCTION__, (TEMPLATE_INFO))))->args; | ||||
| 3120 | if (inh_ctor_targs) | ||||
| 3121 | args = add_outermost_template_args (args, inh_ctor_targs); | ||||
| 3122 | } | ||||
| 3123 | else | ||||
| 3124 | { | ||||
| 3125 | /* These should be empty until we allow constraints on non-templates. */ | ||||
| 3126 | norm = normalize_nontemplate_requirements (t, info.noisy ()); | ||||
| 3127 | } | ||||
| 3128 | |||||
| 3129 | unsigned ftc_count = vec_safe_length (failed_type_completions); | ||||
| 3130 | |||||
| 3131 | tree result = boolean_true_nodeglobal_trees[TI_BOOLEAN_TRUE]; | ||||
| 3132 | if (norm) | ||||
| 3133 | { | ||||
| 3134 | if (!push_tinst_level (t)) | ||||
| 3135 | return result; | ||||
| 3136 | push_access_scope (t); | ||||
| 3137 | result = satisfy_associated_constraints (norm, args, info); | ||||
| 3138 | pop_access_scope (t); | ||||
| 3139 | pop_tinst_level (); | ||||
| 3140 | } | ||||
| 3141 | |||||
| 3142 | /* True if this satisfaction is (heuristically) potentially unstable, i.e. | ||||
| 3143 | if its result may depend on where in the program it was performed. */ | ||||
| 3144 | bool maybe_unstable_satisfaction = false; | ||||
| 3145 | if (ftc_count != vec_safe_length (failed_type_completions)) | ||||
| 3146 | /* Type completion failure occurred during satisfaction. The satisfaction | ||||
| 3147 | result may (or may not) materially depend on the completeness of a type, | ||||
| 3148 | so we consider it potentially unstable. */ | ||||
| 3149 | maybe_unstable_satisfaction = true; | ||||
| 3150 | |||||
| 3151 | if (maybe_unstable_satisfaction) | ||||
| 3152 | /* Don't cache potentially unstable satisfaction, to allow satisfy_atom | ||||
| 3153 | to check the stability the next time around. */; | ||||
| 3154 | else if (info.quiet ()) | ||||
| 3155 | hash_map_safe_put<hm_ggc> (decl_satisfied_cache, saved_t, result); | ||||
| 3156 | |||||
| 3157 | return result; | ||||
| 3158 | } | ||||
| 3159 | |||||
| 3160 | static tree | ||||
| 3161 | satisfy_declaration_constraints (tree t, tree args, sat_info info) | ||||
| 3162 | { | ||||
| 3163 | /* Update the declaration for diagnostics. */ | ||||
| 3164 | info.in_decl = t; | ||||
| 3165 | |||||
| 3166 | gcc_assert (TREE_CODE (t) == TEMPLATE_DECL)((void)(!(((enum tree_code) (t)->base.code) == TEMPLATE_DECL ) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3166, __FUNCTION__), 0 : 0)); | ||||
| 3167 | |||||
| 3168 | args = add_outermost_template_args (t, args); | ||||
| 3169 | |||||
| 3170 | tree result = boolean_true_nodeglobal_trees[TI_BOOLEAN_TRUE]; | ||||
| 3171 | if (tree norm = normalize_template_requirements (t, info.noisy ())) | ||||
| 3172 | { | ||||
| 3173 | if (!push_tinst_level (t, args)) | ||||
| 3174 | return result; | ||||
| 3175 | tree pattern = DECL_TEMPLATE_RESULT (t)((struct tree_template_decl *)(const_cast<union tree_node * > ((((tree_check ((t), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3175, __FUNCTION__, (TEMPLATE_DECL))))))))->result; | ||||
| 3176 | push_access_scope (pattern); | ||||
| 3177 | result = satisfy_associated_constraints (norm, args, info); | ||||
| 3178 | pop_access_scope (pattern); | ||||
| 3179 | pop_tinst_level (); | ||||
| 3180 | } | ||||
| 3181 | |||||
| 3182 | return result; | ||||
| 3183 | } | ||||
| 3184 | |||||
| 3185 | static tree | ||||
| 3186 | constraint_satisfaction_value (tree t, sat_info info) | ||||
| 3187 | { | ||||
| 3188 | tree r; | ||||
| 3189 | if (DECL_P (t)(tree_code_type[(int) (((enum tree_code) (t)->base.code))] == tcc_declaration)) | ||||
| 3190 | r = satisfy_declaration_constraints (t, info); | ||||
| 3191 | else | ||||
| 3192 | r = satisfy_constraint_expression (t, NULL_TREE(tree) __null, info); | ||||
| 3193 | if (r == error_mark_nodeglobal_trees[TI_ERROR_MARK] && info.quiet () | ||||
| 3194 | && !(DECL_P (t)(tree_code_type[(int) (((enum tree_code) (t)->base.code))] == tcc_declaration) && TREE_NO_WARNING (t)((t)->base.nowarning_flag))) | ||||
| 3195 | { | ||||
| 3196 | /* Replay the error with re-normalized requirements. */ | ||||
| 3197 | sat_info noisy (tf_warning_or_error, info.in_decl); | ||||
| 3198 | constraint_satisfaction_value (t, noisy); | ||||
| 3199 | if (DECL_P (t)(tree_code_type[(int) (((enum tree_code) (t)->base.code))] == tcc_declaration)) | ||||
| 3200 | /* Avoid giving these errors again. */ | ||||
| 3201 | TREE_NO_WARNING (t)((t)->base.nowarning_flag) = true; | ||||
| 3202 | } | ||||
| 3203 | return r; | ||||
| 3204 | } | ||||
| 3205 | |||||
| 3206 | static tree | ||||
| 3207 | constraint_satisfaction_value (tree t, tree args, sat_info info) | ||||
| 3208 | { | ||||
| 3209 | tree r; | ||||
| 3210 | if (DECL_P (t)(tree_code_type[(int) (((enum tree_code) (t)->base.code))] == tcc_declaration)) | ||||
| 3211 | r = satisfy_declaration_constraints (t, args, info); | ||||
| 3212 | else | ||||
| 3213 | r = satisfy_constraint_expression (t, args, info); | ||||
| 3214 | if (r == error_mark_nodeglobal_trees[TI_ERROR_MARK] && info.quiet ()) | ||||
| 3215 | { | ||||
| 3216 | /* Replay the error with re-normalized requirements. */ | ||||
| 3217 | sat_info noisy (tf_warning_or_error, info.in_decl); | ||||
| 3218 | constraint_satisfaction_value (t, args, noisy); | ||||
| 3219 | } | ||||
| 3220 | return r; | ||||
| 3221 | } | ||||
| 3222 | |||||
| 3223 | /* True iff the result of satisfying T is BOOLEAN_TRUE_NODE and false | ||||
| 3224 | otherwise, even in the case of errors. */ | ||||
| 3225 | |||||
| 3226 | bool | ||||
| 3227 | constraints_satisfied_p (tree t) | ||||
| 3228 | { | ||||
| 3229 | if (!flag_conceptsglobal_options.x_flag_concepts) | ||||
| 3230 | return true; | ||||
| 3231 | |||||
| 3232 | sat_info quiet (tf_none, NULL_TREE(tree) __null); | ||||
| 3233 | return constraint_satisfaction_value (t, quiet) == boolean_true_nodeglobal_trees[TI_BOOLEAN_TRUE]; | ||||
| 3234 | } | ||||
| 3235 | |||||
| 3236 | /* True iff the result of satisfying T with ARGS is BOOLEAN_TRUE_NODE | ||||
| 3237 | and false otherwise, even in the case of errors. */ | ||||
| 3238 | |||||
| 3239 | bool | ||||
| 3240 | constraints_satisfied_p (tree t, tree args) | ||||
| 3241 | { | ||||
| 3242 | if (!flag_conceptsglobal_options.x_flag_concepts) | ||||
| 3243 | return true; | ||||
| 3244 | |||||
| 3245 | sat_info quiet (tf_none, NULL_TREE(tree) __null); | ||||
| 3246 | return constraint_satisfaction_value (t, args, quiet) == boolean_true_nodeglobal_trees[TI_BOOLEAN_TRUE]; | ||||
| 3247 | } | ||||
| 3248 | |||||
| 3249 | /* Evaluate a concept check of the form C<ARGS>. This is only used for the | ||||
| 3250 | evaluation of template-ids as id-expressions. */ | ||||
| 3251 | |||||
| 3252 | tree | ||||
| 3253 | evaluate_concept_check (tree check, tsubst_flags_t complain) | ||||
| 3254 | { | ||||
| 3255 | if (check == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 3256 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 3257 | |||||
| 3258 | gcc_assert (concept_check_p (check))((void)(!(concept_check_p (check)) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3258, __FUNCTION__), 0 : 0)); | ||||
| 3259 | |||||
| 3260 | /* Check for satisfaction without diagnostics. */ | ||||
| 3261 | sat_info quiet (tf_none, NULL_TREE(tree) __null); | ||||
| 3262 | tree result = satisfy_constraint_expression (check, NULL_TREE(tree) __null, quiet); | ||||
| 3263 | if (result == error_mark_nodeglobal_trees[TI_ERROR_MARK] && (complain & tf_error)) | ||||
| 3264 | { | ||||
| 3265 | /* Replay the error with re-normalized requirements. */ | ||||
| 3266 | sat_info noisy (tf_warning_or_error, NULL_TREE(tree) __null); | ||||
| 3267 | satisfy_constraint_expression (check, NULL_TREE(tree) __null, noisy); | ||||
| 3268 | } | ||||
| 3269 | return result; | ||||
| 3270 | } | ||||
| 3271 | |||||
| 3272 | /*--------------------------------------------------------------------------- | ||||
| 3273 | Semantic analysis of requires-expressions | ||||
| 3274 | ---------------------------------------------------------------------------*/ | ||||
| 3275 | |||||
| 3276 | /* Finish a requires expression for the given PARMS (possibly | ||||
| 3277 | null) and the non-empty sequence of requirements. */ | ||||
| 3278 | |||||
| 3279 | tree | ||||
| 3280 | finish_requires_expr (location_t loc, tree parms, tree reqs) | ||||
| 3281 | { | ||||
| 3282 | /* Modify the declared parameters by removing their context | ||||
| 3283 | so they don't refer to the enclosing scope and explicitly | ||||
| 3284 | indicating that they are constraint variables. */ | ||||
| 3285 | for (tree parm = parms; parm; parm = DECL_CHAIN (parm)(((contains_struct_check (((contains_struct_check ((parm), (TS_DECL_MINIMAL ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3285, __FUNCTION__))), (TS_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3285, __FUNCTION__))->common.chain))) | ||||
| 3286 | { | ||||
| 3287 | DECL_CONTEXT (parm)((contains_struct_check ((parm), (TS_DECL_MINIMAL), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3287, __FUNCTION__))->decl_minimal.context) = NULL_TREE(tree) __null; | ||||
| 3288 | CONSTRAINT_VAR_P (parm)((contains_struct_check (((tree_check ((parm), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3288, __FUNCTION__, (PARM_DECL)))), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3288, __FUNCTION__))->decl_common.lang_flag_2) = true; | ||||
| 3289 | } | ||||
| 3290 | |||||
| 3291 | /* Build the node. */ | ||||
| 3292 | tree r = build_min (REQUIRES_EXPR, boolean_type_nodeglobal_trees[TI_BOOLEAN_TYPE], parms, reqs, NULL_TREE(tree) __null); | ||||
| 3293 | TREE_SIDE_EFFECTS (r)((non_type_check ((r), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3293, __FUNCTION__))->base.side_effects_flag) = false; | ||||
| 3294 | TREE_CONSTANT (r)((non_type_check ((r), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3294, __FUNCTION__))->base.constant_flag) = true; | ||||
| 3295 | SET_EXPR_LOCATION (r, loc)(expr_check (((r)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3295, __FUNCTION__))->exp.locus = (loc); | ||||
| 3296 | return r; | ||||
| 3297 | } | ||||
| 3298 | |||||
| 3299 | /* Construct a requirement for the validity of EXPR. */ | ||||
| 3300 | |||||
| 3301 | tree | ||||
| 3302 | finish_simple_requirement (location_t loc, tree expr) | ||||
| 3303 | { | ||||
| 3304 | tree r = build_nt (SIMPLE_REQ, expr); | ||||
| 3305 | SET_EXPR_LOCATION (r, loc)(expr_check (((r)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3305, __FUNCTION__))->exp.locus = (loc); | ||||
| 3306 | return r; | ||||
| 3307 | } | ||||
| 3308 | |||||
| 3309 | /* Construct a requirement for the validity of TYPE. */ | ||||
| 3310 | |||||
| 3311 | tree | ||||
| 3312 | finish_type_requirement (location_t loc, tree type) | ||||
| 3313 | { | ||||
| 3314 | tree r = build_nt (TYPE_REQ, type); | ||||
| 3315 | SET_EXPR_LOCATION (r, loc)(expr_check (((r)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3315, __FUNCTION__))->exp.locus = (loc); | ||||
| 3316 | return r; | ||||
| 3317 | } | ||||
| 3318 | |||||
| 3319 | /* Construct a requirement for the validity of EXPR, along with | ||||
| 3320 | its properties. if TYPE is non-null, then it specifies either | ||||
| 3321 | an implicit conversion or argument deduction constraint, | ||||
| 3322 | depending on whether any placeholders occur in the type name. | ||||
| 3323 | NOEXCEPT_P is true iff the noexcept keyword was specified. */ | ||||
| 3324 | |||||
| 3325 | tree | ||||
| 3326 | finish_compound_requirement (location_t loc, tree expr, tree type, bool noexcept_p) | ||||
| 3327 | { | ||||
| 3328 | tree req = build_nt (COMPOUND_REQ, expr, type); | ||||
| 3329 | SET_EXPR_LOCATION (req, loc)(expr_check (((req)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3329, __FUNCTION__))->exp.locus = (loc); | ||||
| 3330 | COMPOUND_REQ_NOEXCEPT_P (req)((tree_not_check2 (((tree_check ((req), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3330, __FUNCTION__, (COMPOUND_REQ)))), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3330, __FUNCTION__, (TREE_VEC), (SSA_NAME)))->base.u.bits .lang_flag_0) = noexcept_p; | ||||
| 3331 | return req; | ||||
| 3332 | } | ||||
| 3333 | |||||
| 3334 | /* Finish a nested requirement. */ | ||||
| 3335 | |||||
| 3336 | tree | ||||
| 3337 | finish_nested_requirement (location_t loc, tree expr) | ||||
| 3338 | { | ||||
| 3339 | /* We need to normalize the constraints now, at parse time, while | ||||
| 3340 | we have the necessary template context. We normalize twice, | ||||
| 3341 | once without diagnostic information and once with, which we'll | ||||
| 3342 | later use for quiet and noisy satisfaction respectively. */ | ||||
| 3343 | tree norm = normalize_constraint_expression (expr, /*diag=*/false); | ||||
| 3344 | tree diag_norm = normalize_constraint_expression (expr, /*diag=*/true); | ||||
| 3345 | |||||
| 3346 | /* Build the constraint, saving its two normalizations as its type. */ | ||||
| 3347 | tree r = build1 (NESTED_REQ, build_tree_list (diag_norm, norm), expr); | ||||
| 3348 | SET_EXPR_LOCATION (r, loc)(expr_check (((r)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3348, __FUNCTION__))->exp.locus = (loc); | ||||
| 3349 | return r; | ||||
| 3350 | } | ||||
| 3351 | |||||
| 3352 | /* Check that FN satisfies the structural requirements of a | ||||
| 3353 | function concept definition. */ | ||||
| 3354 | tree | ||||
| 3355 | check_function_concept (tree fn) | ||||
| 3356 | { | ||||
| 3357 | /* Check that the function is comprised of only a return statement. */ | ||||
| 3358 | tree body = DECL_SAVED_TREE (fn)((tree_check ((fn), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3358, __FUNCTION__, (FUNCTION_DECL)))->function_decl.saved_tree ); | ||||
| 3359 | if (TREE_CODE (body)((enum tree_code) (body)->base.code) == BIND_EXPR) | ||||
| 3360 | body = BIND_EXPR_BODY (body)((*((const_cast<tree*> (tree_operand_check (((tree_check ((body), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3360, __FUNCTION__, (BIND_EXPR)))), (1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3360, __FUNCTION__)))))); | ||||
| 3361 | |||||
| 3362 | /* Sometimes a function call results in the creation of clean up | ||||
| 3363 | points. Allow these to be preserved in the body of the | ||||
| 3364 | constraint, as we might actually need them for some constexpr | ||||
| 3365 | evaluations. */ | ||||
| 3366 | if (TREE_CODE (body)((enum tree_code) (body)->base.code) == CLEANUP_POINT_EXPR) | ||||
| 3367 | body = TREE_OPERAND (body, 0)(*((const_cast<tree*> (tree_operand_check ((body), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3367, __FUNCTION__))))); | ||||
| 3368 | |||||
| 3369 | /* Check that the definition is written correctly. */ | ||||
| 3370 | if (TREE_CODE (body)((enum tree_code) (body)->base.code) != RETURN_EXPR) | ||||
| 3371 | { | ||||
| 3372 | location_t loc = DECL_SOURCE_LOCATION (fn)((contains_struct_check ((fn), (TS_DECL_MINIMAL), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3372, __FUNCTION__))->decl_minimal.locus); | ||||
| 3373 | if (TREE_CODE (body)((enum tree_code) (body)->base.code) == STATEMENT_LIST && !STATEMENT_LIST_HEAD (body)((tree_check ((body), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3373, __FUNCTION__, (STATEMENT_LIST)))->stmt_list.head)) | ||||
| 3374 | { | ||||
| 3375 | if (seen_error ()) | ||||
| 3376 | /* The definition was probably erroneous, not empty. */; | ||||
| 3377 | else | ||||
| 3378 | error_at (loc, "definition of concept %qD is empty", fn); | ||||
| 3379 | } | ||||
| 3380 | else | ||||
| 3381 | error_at (loc, "definition of concept %qD has multiple statements", fn); | ||||
| 3382 | } | ||||
| 3383 | |||||
| 3384 | return NULL_TREE(tree) __null; | ||||
| 3385 | } | ||||
| 3386 | |||||
| 3387 | |||||
| 3388 | // Check that a constrained friend declaration function declaration, | ||||
| 3389 | // FN, is admissible. This is the case only when the declaration depends | ||||
| 3390 | // on template parameters and does not declare a specialization. | ||||
| 3391 | void | ||||
| 3392 | check_constrained_friend (tree fn, tree reqs) | ||||
| 3393 | { | ||||
| 3394 | if (fn == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 3395 | return; | ||||
| 3396 | gcc_assert (TREE_CODE (fn) == FUNCTION_DECL)((void)(!(((enum tree_code) (fn)->base.code) == FUNCTION_DECL ) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3396, __FUNCTION__), 0 : 0)); | ||||
| 3397 | |||||
| 3398 | // If there are not constraints, this cannot be an error. | ||||
| 3399 | if (!reqs) | ||||
| 3400 | return; | ||||
| 3401 | |||||
| 3402 | // Constrained friend functions that don't depend on template | ||||
| 3403 | // arguments are effectively meaningless. | ||||
| 3404 | if (!uses_template_parms (TREE_TYPE (fn)((contains_struct_check ((fn), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3404, __FUNCTION__))->typed.type))) | ||||
| 3405 | { | ||||
| 3406 | error_at (location_of (fn), | ||||
| 3407 | "constrained friend does not depend on template parameters"); | ||||
| 3408 | return; | ||||
| 3409 | } | ||||
| 3410 | } | ||||
| 3411 | |||||
| 3412 | /*--------------------------------------------------------------------------- | ||||
| 3413 | Equivalence of constraints | ||||
| 3414 | ---------------------------------------------------------------------------*/ | ||||
| 3415 | |||||
| 3416 | /* Returns true when A and B are equivalent constraints. */ | ||||
| 3417 | bool | ||||
| 3418 | equivalent_constraints (tree a, tree b) | ||||
| 3419 | { | ||||
| 3420 | gcc_assert (!a || TREE_CODE (a) == CONSTRAINT_INFO)((void)(!(!a || ((enum tree_code) (a)->base.code) == CONSTRAINT_INFO ) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3420, __FUNCTION__), 0 : 0)); | ||||
| 3421 | gcc_assert (!b || TREE_CODE (b) == CONSTRAINT_INFO)((void)(!(!b || ((enum tree_code) (b)->base.code) == CONSTRAINT_INFO ) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3421, __FUNCTION__), 0 : 0)); | ||||
| 3422 | return cp_tree_equal (a, b); | ||||
| 3423 | } | ||||
| 3424 | |||||
| 3425 | /* Returns true if the template declarations A and B have equivalent | ||||
| 3426 | constraints. This is the case when A's constraints subsume B's and | ||||
| 3427 | when B's also constrain A's. */ | ||||
| 3428 | bool | ||||
| 3429 | equivalently_constrained (tree d1, tree d2) | ||||
| 3430 | { | ||||
| 3431 | gcc_assert (TREE_CODE (d1) == TREE_CODE (d2))((void)(!(((enum tree_code) (d1)->base.code) == ((enum tree_code ) (d2)->base.code)) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3431, __FUNCTION__), 0 : 0)); | ||||
| 3432 | return equivalent_constraints (get_constraints (d1), get_constraints (d2)); | ||||
| 3433 | } | ||||
| 3434 | |||||
| 3435 | /*--------------------------------------------------------------------------- | ||||
| 3436 | Partial ordering of constraints | ||||
| 3437 | ---------------------------------------------------------------------------*/ | ||||
| 3438 | |||||
| 3439 | /* Returns true when the constraints in A subsume those in B. */ | ||||
| 3440 | |||||
| 3441 | bool | ||||
| 3442 | subsumes_constraints (tree a, tree b) | ||||
| 3443 | { | ||||
| 3444 | gcc_assert (!a || TREE_CODE (a) == CONSTRAINT_INFO)((void)(!(!a || ((enum tree_code) (a)->base.code) == CONSTRAINT_INFO ) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3444, __FUNCTION__), 0 : 0)); | ||||
| 3445 | gcc_assert (!b || TREE_CODE (b) == CONSTRAINT_INFO)((void)(!(!b || ((enum tree_code) (b)->base.code) == CONSTRAINT_INFO ) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3445, __FUNCTION__), 0 : 0)); | ||||
| 3446 | return subsumes (a, b); | ||||
| 3447 | } | ||||
| 3448 | |||||
| 3449 | /* Returns true when the constraints in CI strictly subsume | ||||
| 3450 | the associated constraints of TMPL. */ | ||||
| 3451 | |||||
| 3452 | bool | ||||
| 3453 | strictly_subsumes (tree ci, tree tmpl) | ||||
| 3454 | { | ||||
| 3455 | tree n1 = get_normalized_constraints_from_info (ci, NULL_TREE(tree) __null); | ||||
| 3456 | tree n2 = get_normalized_constraints_from_decl (tmpl); | ||||
| 3457 | |||||
| 3458 | return subsumes (n1, n2) && !subsumes (n2, n1); | ||||
| 3459 | } | ||||
| 3460 | |||||
| 3461 | /* Returns true when the constraints in CI subsume the | ||||
| 3462 | associated constraints of TMPL. */ | ||||
| 3463 | |||||
| 3464 | bool | ||||
| 3465 | weakly_subsumes (tree ci, tree tmpl) | ||||
| 3466 | { | ||||
| 3467 | tree n1 = get_normalized_constraints_from_info (ci, NULL_TREE(tree) __null); | ||||
| 3468 | tree n2 = get_normalized_constraints_from_decl (tmpl); | ||||
| 3469 | |||||
| 3470 | return subsumes (n1, n2); | ||||
| 3471 | } | ||||
| 3472 | |||||
| 3473 | /* Determines which of the declarations, A or B, is more constrained. | ||||
| 3474 | That is, which declaration's constraints subsume but are not subsumed | ||||
| 3475 | by the other's? | ||||
| 3476 | |||||
| 3477 | Returns 1 if D1 is more constrained than D2, -1 if D2 is more constrained | ||||
| 3478 | than D1, and 0 otherwise. */ | ||||
| 3479 | |||||
| 3480 | int | ||||
| 3481 | more_constrained (tree d1, tree d2) | ||||
| 3482 | { | ||||
| 3483 | tree n1 = get_normalized_constraints_from_decl (d1); | ||||
| 3484 | tree n2 = get_normalized_constraints_from_decl (d2); | ||||
| 3485 | |||||
| 3486 | int winner = 0; | ||||
| 3487 | if (subsumes (n1, n2)) | ||||
| 3488 | ++winner; | ||||
| 3489 | if (subsumes (n2, n1)) | ||||
| 3490 | --winner; | ||||
| 3491 | return winner; | ||||
| 3492 | } | ||||
| 3493 | |||||
| 3494 | /* Return whether D1 is at least as constrained as D2. */ | ||||
| 3495 | |||||
| 3496 | bool | ||||
| 3497 | at_least_as_constrained (tree d1, tree d2) | ||||
| 3498 | { | ||||
| 3499 | tree n1 = get_normalized_constraints_from_decl (d1); | ||||
| 3500 | tree n2 = get_normalized_constraints_from_decl (d2); | ||||
| 3501 | |||||
| 3502 | return subsumes (n1, n2); | ||||
| 3503 | } | ||||
| 3504 | |||||
| 3505 | /*--------------------------------------------------------------------------- | ||||
| 3506 | Constraint diagnostics | ||||
| 3507 | ---------------------------------------------------------------------------*/ | ||||
| 3508 | |||||
| 3509 | /* Returns the best location to diagnose a constraint error. */ | ||||
| 3510 | |||||
| 3511 | static location_t | ||||
| 3512 | get_constraint_error_location (tree t) | ||||
| 3513 | { | ||||
| 3514 | if (location_t loc = cp_expr_location (t)) | ||||
| 3515 | return loc; | ||||
| 3516 | |||||
| 3517 | /* If we have a specific location give it. */ | ||||
| 3518 | tree expr = CONSTR_EXPR (t)((tree_check ((((contains_struct_check (((tree_check3 ((t), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3518, __FUNCTION__, (ATOMIC_CONSTR), (CONJ_CONSTR), (DISJ_CONSTR )))), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3518, __FUNCTION__))->typed.type)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3518, __FUNCTION__, (TREE_LIST)))->list.purpose); | ||||
| 3519 | if (location_t loc = cp_expr_location (expr)) | ||||
| 3520 | return loc; | ||||
| 3521 | |||||
| 3522 | /* If the constraint is normalized from a requires-clause, give | ||||
| 3523 | the location as that of the constrained declaration. */ | ||||
| 3524 | tree cxt = CONSTR_CONTEXT (t)((tree_check ((((contains_struct_check (((tree_check3 ((t), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3524, __FUNCTION__, (ATOMIC_CONSTR), (CONJ_CONSTR), (DISJ_CONSTR )))), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3524, __FUNCTION__))->typed.type)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3524, __FUNCTION__, (TREE_LIST)))->list.value); | ||||
| 3525 | tree src = cxt ? TREE_VALUE (cxt)((tree_check ((cxt), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3525, __FUNCTION__, (TREE_LIST)))->list.value) : NULL_TREE(tree) __null; | ||||
| 3526 | if (!src) | ||||
| 3527 | /* TODO: This only happens for constrained non-template declarations. */ | ||||
| 3528 | ; | ||||
| 3529 | else if (DECL_P (src)(tree_code_type[(int) (((enum tree_code) (src)->base.code) )] == tcc_declaration)) | ||||
| 3530 | return DECL_SOURCE_LOCATION (src)((contains_struct_check ((src), (TS_DECL_MINIMAL), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3530, __FUNCTION__))->decl_minimal.locus); | ||||
| 3531 | /* Otherwise, give the location as the defining concept. */ | ||||
| 3532 | else if (concept_check_p (src)) | ||||
| 3533 | { | ||||
| 3534 | tree id = unpack_concept_check (src); | ||||
| 3535 | tree tmpl = TREE_OPERAND (id, 0)(*((const_cast<tree*> (tree_operand_check ((id), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3535, __FUNCTION__))))); | ||||
| 3536 | if (OVL_P (tmpl)(((enum tree_code) (tmpl)->base.code) == FUNCTION_DECL || ( (enum tree_code) (tmpl)->base.code) == OVERLOAD)) | ||||
| 3537 | tmpl = OVL_FIRST (tmpl)ovl_first (tmpl); | ||||
| 3538 | return DECL_SOURCE_LOCATION (tmpl)((contains_struct_check ((tmpl), (TS_DECL_MINIMAL), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3538, __FUNCTION__))->decl_minimal.locus); | ||||
| 3539 | } | ||||
| 3540 | |||||
| 3541 | return input_location; | ||||
| 3542 | } | ||||
| 3543 | |||||
| 3544 | /* Emit a diagnostic for a failed trait. */ | ||||
| 3545 | |||||
| 3546 | void | ||||
| 3547 | diagnose_trait_expr (tree expr, tree map) | ||||
| 3548 | { | ||||
| 3549 | location_t loc = cp_expr_location (expr); | ||||
| 3550 | tree args = get_mapped_args (map); | ||||
| 3551 | |||||
| 3552 | /* Build a "fake" version of the instantiated trait, so we can | ||||
| 3553 | get the instantiated types from result. */ | ||||
| 3554 | ++processing_template_declscope_chain->x_processing_template_decl; | ||||
| 3555 | expr = tsubst_expr (expr, args, tf_none, NULL_TREE(tree) __null, false); | ||||
| 3556 | --processing_template_declscope_chain->x_processing_template_decl; | ||||
| 3557 | |||||
| 3558 | tree t1 = TRAIT_EXPR_TYPE1 (expr)(((struct tree_trait_expr *)(tree_check ((expr), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3558, __FUNCTION__, (TRAIT_EXPR))))->type1); | ||||
| 3559 | tree t2 = TRAIT_EXPR_TYPE2 (expr)(((struct tree_trait_expr *)(tree_check ((expr), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3559, __FUNCTION__, (TRAIT_EXPR))))->type2); | ||||
| 3560 | switch (TRAIT_EXPR_KIND (expr)(((struct tree_trait_expr *)(tree_check ((expr), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3560, __FUNCTION__, (TRAIT_EXPR))))->kind)) | ||||
| 3561 | { | ||||
| 3562 | case CPTK_HAS_NOTHROW_ASSIGN: | ||||
| 3563 | inform (loc, " %qT is not %<nothrow%> copy assignable", t1); | ||||
| 3564 | break; | ||||
| 3565 | case CPTK_HAS_NOTHROW_CONSTRUCTOR: | ||||
| 3566 | inform (loc, " %qT is not %<nothrow%> default constructible", t1); | ||||
| 3567 | break; | ||||
| 3568 | case CPTK_HAS_NOTHROW_COPY: | ||||
| 3569 | inform (loc, " %qT is not %<nothrow%> copy constructible", t1); | ||||
| 3570 | break; | ||||
| 3571 | case CPTK_HAS_TRIVIAL_ASSIGN: | ||||
| 3572 | inform (loc, " %qT is not trivially copy assignable", t1); | ||||
| 3573 | break; | ||||
| 3574 | case CPTK_HAS_TRIVIAL_CONSTRUCTOR: | ||||
| 3575 | inform (loc, " %qT is not trivially default constructible", t1); | ||||
| 3576 | break; | ||||
| 3577 | case CPTK_HAS_TRIVIAL_COPY: | ||||
| 3578 | inform (loc, " %qT is not trivially copy constructible", t1); | ||||
| 3579 | break; | ||||
| 3580 | case CPTK_HAS_TRIVIAL_DESTRUCTOR: | ||||
| 3581 | inform (loc, " %qT is not trivially destructible", t1); | ||||
| 3582 | break; | ||||
| 3583 | case CPTK_HAS_VIRTUAL_DESTRUCTOR: | ||||
| 3584 | inform (loc, " %qT does not have a virtual destructor", t1); | ||||
| 3585 | break; | ||||
| 3586 | case CPTK_IS_ABSTRACT: | ||||
| 3587 | inform (loc, " %qT is not an abstract class", t1); | ||||
| 3588 | break; | ||||
| 3589 | case CPTK_IS_BASE_OF: | ||||
| 3590 | inform (loc, " %qT is not a base of %qT", t1, t2); | ||||
| 3591 | break; | ||||
| 3592 | case CPTK_IS_CLASS: | ||||
| 3593 | inform (loc, " %qT is not a class", t1); | ||||
| 3594 | break; | ||||
| 3595 | case CPTK_IS_EMPTY: | ||||
| 3596 | inform (loc, " %qT is not an empty class", t1); | ||||
| 3597 | break; | ||||
| 3598 | case CPTK_IS_ENUM: | ||||
| 3599 | inform (loc, " %qT is not an enum", t1); | ||||
| 3600 | break; | ||||
| 3601 | case CPTK_IS_FINAL: | ||||
| 3602 | inform (loc, " %qT is not a final class", t1); | ||||
| 3603 | break; | ||||
| 3604 | case CPTK_IS_LITERAL_TYPE: | ||||
| 3605 | inform (loc, " %qT is not a literal type", t1); | ||||
| 3606 | break; | ||||
| 3607 | case CPTK_IS_POD: | ||||
| 3608 | inform (loc, " %qT is not a POD type", t1); | ||||
| 3609 | break; | ||||
| 3610 | case CPTK_IS_POLYMORPHIC: | ||||
| 3611 | inform (loc, " %qT is not a polymorphic type", t1); | ||||
| 3612 | break; | ||||
| 3613 | case CPTK_IS_SAME_AS: | ||||
| 3614 | inform (loc, " %qT is not the same as %qT", t1, t2); | ||||
| 3615 | break; | ||||
| 3616 | case CPTK_IS_STD_LAYOUT: | ||||
| 3617 | inform (loc, " %qT is not an standard layout type", t1); | ||||
| 3618 | break; | ||||
| 3619 | case CPTK_IS_TRIVIAL: | ||||
| 3620 | inform (loc, " %qT is not a trivial type", t1); | ||||
| 3621 | break; | ||||
| 3622 | case CPTK_IS_UNION: | ||||
| 3623 | inform (loc, " %qT is not a union", t1); | ||||
| 3624 | break; | ||||
| 3625 | default: | ||||
| 3626 | gcc_unreachable ()(fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3626, __FUNCTION__)); | ||||
| 3627 | } | ||||
| 3628 | } | ||||
| 3629 | |||||
| 3630 | static tree | ||||
| 3631 | diagnose_valid_expression (tree expr, tree args, tree in_decl) | ||||
| 3632 | { | ||||
| 3633 | tree result = tsubst_expr (expr, args, tf_none, in_decl, false); | ||||
| 3634 | if (result != error_mark_nodeglobal_trees[TI_ERROR_MARK] | ||||
| 3635 | && convert_to_void (result, ICV_STATEMENT, tf_none) != error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 3636 | return result; | ||||
| 3637 | |||||
| 3638 | location_t loc = cp_expr_loc_or_input_loc (expr); | ||||
| 3639 | if (diagnosing_failed_constraint::replay_errors_p ()) | ||||
| 3640 | { | ||||
| 3641 | /* Replay the substitution error. */ | ||||
| 3642 | inform (loc, "the required expression %qE is invalid, because", expr); | ||||
| 3643 | if (result == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 3644 | tsubst_expr (expr, args, tf_error, in_decl, false); | ||||
| 3645 | else | ||||
| 3646 | convert_to_void (result, ICV_STATEMENT, tf_error); | ||||
| 3647 | } | ||||
| 3648 | else | ||||
| 3649 | inform (loc, "the required expression %qE is invalid", expr); | ||||
| 3650 | |||||
| 3651 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 3652 | } | ||||
| 3653 | |||||
| 3654 | static tree | ||||
| 3655 | diagnose_valid_type (tree type, tree args, tree in_decl) | ||||
| 3656 | { | ||||
| 3657 | tree result = tsubst (type, args, tf_none, in_decl); | ||||
| 3658 | if (result != error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 3659 | return result; | ||||
| 3660 | |||||
| 3661 | location_t loc = cp_expr_loc_or_input_loc (type); | ||||
| 3662 | if (diagnosing_failed_constraint::replay_errors_p ()) | ||||
| 3663 | { | ||||
| 3664 | /* Replay the substitution error. */ | ||||
| 3665 | inform (loc, "the required type %qT is invalid, because", type); | ||||
| 3666 | tsubst (type, args, tf_error, in_decl); | ||||
| 3667 | } | ||||
| 3668 | else | ||||
| 3669 | inform (loc, "the required type %qT is invalid", type); | ||||
| 3670 | |||||
| 3671 | return error_mark_nodeglobal_trees[TI_ERROR_MARK]; | ||||
| 3672 | } | ||||
| 3673 | |||||
| 3674 | static void | ||||
| 3675 | diagnose_simple_requirement (tree req, tree args, tree in_decl) | ||||
| 3676 | { | ||||
| 3677 | diagnose_valid_expression (TREE_OPERAND (req, 0)(*((const_cast<tree*> (tree_operand_check ((req), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3677, __FUNCTION__))))), args, in_decl); | ||||
| 3678 | } | ||||
| 3679 | |||||
| 3680 | static void | ||||
| 3681 | diagnose_compound_requirement (tree req, tree args, tree in_decl) | ||||
| 3682 | { | ||||
| 3683 | tree expr = TREE_OPERAND (req, 0)(*((const_cast<tree*> (tree_operand_check ((req), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3683, __FUNCTION__))))); | ||||
| 3684 | expr = diagnose_valid_expression (expr, args, in_decl); | ||||
| 3685 | if (expr == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 3686 | return; | ||||
| 3687 | |||||
| 3688 | location_t loc = cp_expr_loc_or_input_loc (expr); | ||||
| 3689 | |||||
| 3690 | /* Check the noexcept condition. */ | ||||
| 3691 | if (COMPOUND_REQ_NOEXCEPT_P (req)((tree_not_check2 (((tree_check ((req), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3691, __FUNCTION__, (COMPOUND_REQ)))), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3691, __FUNCTION__, (TREE_VEC), (SSA_NAME)))->base.u.bits .lang_flag_0) && !expr_noexcept_p (expr, tf_none)) | ||||
| 3692 | inform (loc, "%qE is not %<noexcept%>", expr); | ||||
| 3693 | |||||
| 3694 | tree type = TREE_OPERAND (req, 1)(*((const_cast<tree*> (tree_operand_check ((req), (1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3694, __FUNCTION__))))); | ||||
| 3695 | type = diagnose_valid_type (type, args, in_decl); | ||||
| 3696 | if (type == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 3697 | return; | ||||
| 3698 | |||||
| 3699 | if (type) | ||||
| 3700 | { | ||||
| 3701 | subst_info quiet (tf_none, in_decl); | ||||
| 3702 | subst_info noisy (tf_error, in_decl); | ||||
| 3703 | |||||
| 3704 | /* Check the expression against the result type. */ | ||||
| 3705 | if (tree placeholder = type_uses_auto (type)) | ||||
| 3706 | { | ||||
| 3707 | if (!type_deducible_p (expr, type, placeholder, args, quiet)) | ||||
| 3708 | { | ||||
| 3709 | tree orig_expr = TREE_OPERAND (req, 0)(*((const_cast<tree*> (tree_operand_check ((req), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3709, __FUNCTION__))))); | ||||
| 3710 | if (diagnosing_failed_constraint::replay_errors_p ()) | ||||
| 3711 | { | ||||
| 3712 | inform (loc, | ||||
| 3713 | "%qE does not satisfy return-type-requirement, " | ||||
| 3714 | "because", orig_expr); | ||||
| 3715 | /* Further explain the reason for the error. */ | ||||
| 3716 | type_deducible_p (expr, type, placeholder, args, noisy); | ||||
| 3717 | } | ||||
| 3718 | else | ||||
| 3719 | inform (loc, "%qE does not satisfy return-type-requirement", | ||||
| 3720 | orig_expr); | ||||
| 3721 | } | ||||
| 3722 | } | ||||
| 3723 | else if (!expression_convertible_p (expr, type, quiet)) | ||||
| 3724 | { | ||||
| 3725 | tree orig_expr = TREE_OPERAND (req, 0)(*((const_cast<tree*> (tree_operand_check ((req), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3725, __FUNCTION__))))); | ||||
| 3726 | if (diagnosing_failed_constraint::replay_errors_p ()) | ||||
| 3727 | { | ||||
| 3728 | inform (loc, "cannot convert %qE to %qT because", orig_expr, type); | ||||
| 3729 | /* Further explain the reason for the error. */ | ||||
| 3730 | expression_convertible_p (expr, type, noisy); | ||||
| 3731 | } | ||||
| 3732 | else | ||||
| 3733 | inform (loc, "cannot convert %qE to %qT", orig_expr, type); | ||||
| 3734 | } | ||||
| 3735 | } | ||||
| 3736 | } | ||||
| 3737 | |||||
| 3738 | static void | ||||
| 3739 | diagnose_type_requirement (tree req, tree args, tree in_decl) | ||||
| 3740 | { | ||||
| 3741 | tree type = TREE_OPERAND (req, 0)(*((const_cast<tree*> (tree_operand_check ((req), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3741, __FUNCTION__))))); | ||||
| 3742 | diagnose_valid_type (type, args, in_decl); | ||||
| 3743 | } | ||||
| 3744 | |||||
| 3745 | static void | ||||
| 3746 | diagnose_nested_requirement (tree req, tree args) | ||||
| 3747 | { | ||||
| 3748 | /* Quietly check for satisfaction first using the regular normal form. | ||||
| 3749 | We can elaborate details later if needed. */ | ||||
| 3750 | tree norm = TREE_VALUE (TREE_TYPE (req))((tree_check ((((contains_struct_check ((req), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3750, __FUNCTION__))->typed.type)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3750, __FUNCTION__, (TREE_LIST)))->list.value); | ||||
| 3751 | tree diag_norm = TREE_PURPOSE (TREE_TYPE (req))((tree_check ((((contains_struct_check ((req), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3751, __FUNCTION__))->typed.type)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3751, __FUNCTION__, (TREE_LIST)))->list.purpose); | ||||
| 3752 | sat_info info (tf_none, NULL_TREE(tree) __null); | ||||
| 3753 | tree result = satisfy_constraint (norm, args, info); | ||||
| 3754 | if (result == boolean_true_nodeglobal_trees[TI_BOOLEAN_TRUE]) | ||||
| 3755 | return; | ||||
| 3756 | |||||
| 3757 | tree expr = TREE_OPERAND (req, 0)(*((const_cast<tree*> (tree_operand_check ((req), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3757, __FUNCTION__))))); | ||||
| 3758 | location_t loc = cp_expr_location (expr); | ||||
| 3759 | if (diagnosing_failed_constraint::replay_errors_p ()) | ||||
| 3760 | { | ||||
| 3761 | /* Replay the substitution error using the diagnostic normal form. */ | ||||
| 3762 | inform (loc, "nested requirement %qE is not satisfied, because", expr); | ||||
| 3763 | sat_info noisy (tf_warning_or_error, NULL_TREE(tree) __null, /*diag_unsat=*/true); | ||||
| 3764 | satisfy_constraint (diag_norm, args, noisy); | ||||
| 3765 | } | ||||
| 3766 | else | ||||
| 3767 | inform (loc, "nested requirement %qE is not satisfied", expr); | ||||
| 3768 | |||||
| 3769 | } | ||||
| 3770 | |||||
| 3771 | static void | ||||
| 3772 | diagnose_requirement (tree req, tree args, tree in_decl) | ||||
| 3773 | { | ||||
| 3774 | iloc_sentinel loc_s (cp_expr_location (req)); | ||||
| 3775 | switch (TREE_CODE (req)((enum tree_code) (req)->base.code)) | ||||
| 3776 | { | ||||
| 3777 | case SIMPLE_REQ: | ||||
| 3778 | return diagnose_simple_requirement (req, args, in_decl); | ||||
| 3779 | case COMPOUND_REQ: | ||||
| 3780 | return diagnose_compound_requirement (req, args, in_decl); | ||||
| 3781 | case TYPE_REQ: | ||||
| 3782 | return diagnose_type_requirement (req, args, in_decl); | ||||
| 3783 | case NESTED_REQ: | ||||
| 3784 | return diagnose_nested_requirement (req, args); | ||||
| 3785 | default: | ||||
| 3786 | gcc_unreachable ()(fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3786, __FUNCTION__)); | ||||
| 3787 | } | ||||
| 3788 | } | ||||
| 3789 | |||||
| 3790 | static void | ||||
| 3791 | diagnose_requires_expr (tree expr, tree map, tree in_decl) | ||||
| 3792 | { | ||||
| 3793 | local_specialization_stack stack (lss_copy); | ||||
| 3794 | tree parms = TREE_OPERAND (expr, 0)(*((const_cast<tree*> (tree_operand_check ((expr), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3794, __FUNCTION__))))); | ||||
| 3795 | tree body = TREE_OPERAND (expr, 1)(*((const_cast<tree*> (tree_operand_check ((expr), (1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3795, __FUNCTION__))))); | ||||
| 3796 | tree args = get_mapped_args (map); | ||||
| 3797 | |||||
| 3798 | cp_unevaluated u; | ||||
| 3799 | subst_info info (tf_warning_or_error, NULL_TREE(tree) __null); | ||||
| 3800 | tree vars = tsubst_constraint_variables (parms, args, info); | ||||
| 3801 | if (vars == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 3802 | return; | ||||
| 3803 | |||||
| 3804 | tree p = body; | ||||
| 3805 | while (p) | ||||
| 3806 | { | ||||
| 3807 | tree req = TREE_VALUE (p)((tree_check ((p), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3807, __FUNCTION__, (TREE_LIST)))->list.value); | ||||
| 3808 | diagnose_requirement (req, args, in_decl); | ||||
| 3809 | p = TREE_CHAIN (p)((contains_struct_check ((p), (TS_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3809, __FUNCTION__))->common.chain); | ||||
| 3810 | } | ||||
| 3811 | } | ||||
| 3812 | |||||
| 3813 | /* Diagnose a substitution failure in the atomic constraint T when applied | ||||
| 3814 | with the instantiated parameter mapping MAP. */ | ||||
| 3815 | |||||
| 3816 | static void | ||||
| 3817 | diagnose_atomic_constraint (tree t, tree map, tree result, subst_info info) | ||||
| 3818 | { | ||||
| 3819 | /* If the constraint is already ill-formed, we've previously diagnosed | ||||
| 3820 | the reason. We should still say why the constraints aren't satisfied. */ | ||||
| 3821 | if (t == error_mark_nodeglobal_trees[TI_ERROR_MARK]) | ||||
| 3822 | { | ||||
| 3823 | location_t loc; | ||||
| 3824 | if (info.in_decl) | ||||
| 3825 | loc = DECL_SOURCE_LOCATION (info.in_decl)((contains_struct_check ((info.in_decl), (TS_DECL_MINIMAL), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3825, __FUNCTION__))->decl_minimal.locus); | ||||
| 3826 | else | ||||
| 3827 | loc = input_location; | ||||
| 3828 | inform (loc, "invalid constraints"); | ||||
| 3829 | return; | ||||
| 3830 | } | ||||
| 3831 | |||||
| 3832 | location_t loc = get_constraint_error_location (t); | ||||
| 3833 | iloc_sentinel loc_s (loc); | ||||
| 3834 | |||||
| 3835 | /* Generate better diagnostics for certain kinds of expressions. */ | ||||
| 3836 | tree expr = ATOMIC_CONSTR_EXPR (t)((tree_check ((((contains_struct_check (((tree_check3 (((tree_check ((t), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3836, __FUNCTION__, (ATOMIC_CONSTR)))), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3836, __FUNCTION__, (ATOMIC_CONSTR), (CONJ_CONSTR), (DISJ_CONSTR )))), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3836, __FUNCTION__))->typed.type)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3836, __FUNCTION__, (TREE_LIST)))->list.purpose); | ||||
| 3837 | STRIP_ANY_LOCATION_WRAPPER (expr)(expr) = tree_strip_any_location_wrapper ((const_cast<union tree_node *> (((expr))))); | ||||
| 3838 | switch (TREE_CODE (expr)((enum tree_code) (expr)->base.code)) | ||||
| 3839 | { | ||||
| 3840 | case TRAIT_EXPR: | ||||
| 3841 | diagnose_trait_expr (expr, map); | ||||
| 3842 | break; | ||||
| 3843 | case REQUIRES_EXPR: | ||||
| 3844 | diagnose_requires_expr (expr, map, info.in_decl); | ||||
| 3845 | break; | ||||
| 3846 | default: | ||||
| 3847 | if (!same_type_p (TREE_TYPE (result), boolean_type_node)comptypes ((((contains_struct_check ((result), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3847, __FUNCTION__))->typed.type)), (global_trees[TI_BOOLEAN_TYPE ]), 0)) | ||||
| 3848 | error_at (loc, "constraint %qE has type %qT, not %<bool%>", | ||||
| 3849 | t, TREE_TYPE (result)((contains_struct_check ((result), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3849, __FUNCTION__))->typed.type)); | ||||
| 3850 | else | ||||
| 3851 | inform (loc, "the expression %qE evaluated to %<false%>", t); | ||||
| 3852 | } | ||||
| 3853 | } | ||||
| 3854 | |||||
| 3855 | GTY(()) tree current_failed_constraint; | ||||
| 3856 | |||||
| 3857 | diagnosing_failed_constraint:: | ||||
| 3858 | diagnosing_failed_constraint (tree t, tree args, bool diag) | ||||
| 3859 | : diagnosing_error (diag) | ||||
| 3860 | { | ||||
| 3861 | if (diagnosing_error) | ||||
| 3862 | { | ||||
| 3863 | current_failed_constraint | ||||
| 3864 | = tree_cons (args, t, current_failed_constraint); | ||||
| 3865 | ++current_constraint_diagnosis_depth; | ||||
| 3866 | } | ||||
| 3867 | } | ||||
| 3868 | |||||
| 3869 | diagnosing_failed_constraint:: | ||||
| 3870 | ~diagnosing_failed_constraint () | ||||
| 3871 | { | ||||
| 3872 | if (diagnosing_error) | ||||
| 3873 | { | ||||
| 3874 | --current_constraint_diagnosis_depth; | ||||
| 3875 | if (current_failed_constraint) | ||||
| 3876 | current_failed_constraint = TREE_CHAIN (current_failed_constraint)((contains_struct_check ((current_failed_constraint), (TS_COMMON ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/cp/constraint.cc" , 3876, __FUNCTION__))->common.chain); | ||||
| 3877 | } | ||||
| 3878 | |||||
| 3879 | } | ||||
| 3880 | |||||
| 3881 | /* Whether we are allowed to replay an error that underlies a constraint failure | ||||
| 3882 | at the current diagnosis depth. */ | ||||
| 3883 | |||||
| 3884 | bool | ||||
| 3885 | diagnosing_failed_constraint::replay_errors_p () | ||||
| 3886 | { | ||||
| 3887 | if (current_constraint_diagnosis_depth >= concepts_diagnostics_max_depthglobal_options.x_concepts_diagnostics_max_depth) | ||||
| 3888 | { | ||||
| 3889 | concepts_diagnostics_max_depth_exceeded_p = true; | ||||
| 3890 | return false; | ||||
| 3891 | } | ||||
| 3892 | else | ||||
| 3893 | return true; | ||||
| 3894 | } | ||||
| 3895 | |||||
| 3896 | /* Emit diagnostics detailing the failure ARGS to satisfy the constraints | ||||
| 3897 | of T. Here, T can be either a constraint or a declaration. */ | ||||
| 3898 | |||||
| 3899 | void | ||||
| 3900 | diagnose_constraints (location_t loc, tree t, tree args) | ||||
| 3901 | { | ||||
| 3902 | inform (loc, "constraints not satisfied"); | ||||
| 3903 | |||||
| 3904 | if (concepts_diagnostics_max_depthglobal_options.x_concepts_diagnostics_max_depth == 0) | ||||
| 3905 | return; | ||||
| 3906 | |||||
| 3907 | /* Replay satisfaction, but diagnose unsatisfaction. */ | ||||
| 3908 | sat_info noisy (tf_warning_or_error, NULL_TREE(tree) __null, /*diag_unsat=*/true); | ||||
| 3909 | if (!args) | ||||
| 3910 | constraint_satisfaction_value (t, noisy); | ||||
| 3911 | else | ||||
| 3912 | constraint_satisfaction_value (t, args, noisy); | ||||
| 3913 | |||||
| 3914 | static bool suggested_p; | ||||
| 3915 | if (concepts_diagnostics_max_depth_exceeded_p | ||||
| 3916 | && current_constraint_diagnosis_depth == 0 | ||||
| 3917 | && !suggested_p) | ||||
| 3918 | { | ||||
| 3919 | inform (UNKNOWN_LOCATION((location_t) 0), | ||||
| 3920 | "set %qs to at least %d for more detail", | ||||
| 3921 | "-fconcepts-diagnostics-depth=", | ||||
| 3922 | concepts_diagnostics_max_depthglobal_options.x_concepts_diagnostics_max_depth + 1); | ||||
| 3923 | suggested_p = true; | ||||
| 3924 | } | ||||
| 3925 | } | ||||
| 3926 | |||||
| 3927 | #include "gt-cp-constraint.h" |