LCOV - code coverage report
Current view: top level - gcc - input.h (source / functions) Hit Total Coverage
Test: gcc.info Lines: 24 24 100.0 %
Date: 2020-03-28 11:57:23 Functions: 1 1 100.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 0 0 -

           Branch data     Line data    Source code
       1                 :            : /* Declarations for variables relating to reading the source file.
       2                 :            :    Used by parsers, lexical analyzers, and error message routines.
       3                 :            :    Copyright (C) 1993-2020 Free Software Foundation, Inc.
       4                 :            : 
       5                 :            : This file is part of GCC.
       6                 :            : 
       7                 :            : GCC is free software; you can redistribute it and/or modify it under
       8                 :            : the terms of the GNU General Public License as published by the Free
       9                 :            : Software Foundation; either version 3, or (at your option) any later
      10                 :            : version.
      11                 :            : 
      12                 :            : GCC is distributed in the hope that it will be useful, but WITHOUT ANY
      13                 :            : WARRANTY; without even the implied warranty of MERCHANTABILITY or
      14                 :            : FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
      15                 :            : 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                 :            : #ifndef GCC_INPUT_H
      22                 :            : #define GCC_INPUT_H
      23                 :            : 
      24                 :            : #include "line-map.h"
      25                 :            : 
      26                 :            : extern GTY(()) class line_maps *line_table;
      27                 :            : extern GTY(()) class line_maps *saved_line_table;
      28                 :            : 
      29                 :            : /* A value which will never be used to represent a real location.  */
      30                 :            : #define UNKNOWN_LOCATION ((location_t) 0)
      31                 :            : 
      32                 :            : /* The location for declarations in "<built-in>" */
      33                 :            : #define BUILTINS_LOCATION ((location_t) 1)
      34                 :            : 
      35                 :            : /* line-map.c reserves RESERVED_LOCATION_COUNT to the user.  Ensure
      36                 :            :    both UNKNOWN_LOCATION and BUILTINS_LOCATION fit into that.  */
      37                 :            : STATIC_ASSERT (BUILTINS_LOCATION < RESERVED_LOCATION_COUNT);
      38                 :            : 
      39                 :            : extern bool is_location_from_builtin_token (location_t);
      40                 :            : extern expanded_location expand_location (location_t);
      41                 :            : extern int location_compute_display_column (expanded_location);
      42                 :            : 
      43                 :            : /* A class capturing the bounds of a buffer, to allow for run-time
      44                 :            :    bounds-checking in a checked build.  */
      45                 :            : 
      46                 :            : class char_span
      47                 :            : {
      48                 :            :  public:
      49                 :     998854 :   char_span (const char *ptr, size_t n_elts) : m_ptr (ptr), m_n_elts (n_elts) {}
      50                 :            : 
      51                 :            :   /* Test for a non-NULL pointer.  */
      52                 :     758559 :   operator bool() const { return m_ptr; }
      53                 :            : 
      54                 :            :   /* Get length, not including any 0-terminator (which may not be,
      55                 :            :      in fact, present).  */
      56                 :     617833 :   size_t length () const { return m_n_elts; }
      57                 :            : 
      58                 :     432092 :   const char *get_buffer () const { return m_ptr; }
      59                 :            : 
      60                 :            :   char operator[] (int idx) const
      61                 :            :   {
      62                 :            :     gcc_assert (idx >= 0);
      63                 :            :     gcc_assert ((size_t)idx < m_n_elts);
      64                 :            :     return m_ptr[idx];
      65                 :            :   }
      66                 :            : 
      67                 :      22523 :   char_span subspan (int offset, int n_elts) const
      68                 :            :   {
      69                 :      22523 :     gcc_assert (offset >= 0);
      70                 :      22523 :     gcc_assert (offset < (int)m_n_elts);
      71                 :      22523 :     gcc_assert (n_elts >= 0);
      72                 :      22523 :     gcc_assert (offset + n_elts <= (int)m_n_elts);
      73                 :      22523 :     return char_span (m_ptr + offset, n_elts);
      74                 :            :   }
      75                 :            : 
      76                 :      21930 :   char *xstrdup () const
      77                 :            :   {
      78                 :      21930 :     return ::xstrndup (m_ptr, m_n_elts);
      79                 :            :   }
      80                 :            : 
      81                 :            :  private:
      82                 :            :   const char *m_ptr;
      83                 :            :   size_t m_n_elts;
      84                 :            : };
      85                 :            : 
      86                 :            : extern char_span location_get_source_line (const char *file_path, int line);
      87                 :            : 
      88                 :            : extern bool location_missing_trailing_newline (const char *file_path);
      89                 :            : extern expanded_location
      90                 :            : expand_location_to_spelling_point (location_t,
      91                 :            :                                    enum location_aspect aspect
      92                 :            :                                      = LOCATION_ASPECT_CARET);
      93                 :            : extern location_t expansion_point_location_if_in_system_header (location_t);
      94                 :            : extern location_t expansion_point_location (location_t);
      95                 :            : 
      96                 :            : extern location_t input_location;
      97                 :            : 
      98                 :            : #define LOCATION_FILE(LOC) ((expand_location (LOC)).file)
      99                 :            : #define LOCATION_LINE(LOC) ((expand_location (LOC)).line)
     100                 :            : #define LOCATION_COLUMN(LOC)((expand_location (LOC)).column)
     101                 :            : #define LOCATION_LOCUS(LOC) \
     102                 :            :   ((IS_ADHOC_LOC (LOC)) ? get_location_from_adhoc_loc (line_table, LOC) \
     103                 :            :    : (LOC))
     104                 :            : #define LOCATION_BLOCK(LOC) \
     105                 :            :   ((tree) ((IS_ADHOC_LOC (LOC)) ? get_data_from_adhoc_loc (line_table, (LOC)) \
     106                 :            :    : NULL))
     107                 :            : #define RESERVED_LOCATION_P(LOC) \
     108                 :            :   (LOCATION_LOCUS (LOC) < RESERVED_LOCATION_COUNT)
     109                 :            : 
     110                 :            : /* Return a positive value if LOCATION is the locus of a token that is
     111                 :            :    located in a system header, O otherwise. It returns 1 if LOCATION
     112                 :            :    is the locus of a token that is located in a system header, and 2
     113                 :            :    if LOCATION is the locus of a token located in a C system header
     114                 :            :    that therefore needs to be extern "C" protected in C++.
     115                 :            : 
     116                 :            :    Note that this function returns 1 if LOCATION belongs to a token
     117                 :            :    that is part of a macro replacement-list defined in a system
     118                 :            :    header, but expanded in a non-system file.  */
     119                 :            : 
     120                 :            : static inline int
     121                 :  308587335 : in_system_header_at (location_t loc)
     122                 :            : {
     123                 :  308587335 :   return linemap_location_in_system_header_p (line_table, loc);
     124                 :            : }
     125                 :            : 
     126                 :            : /* Return true if LOCATION is the locus of a token that
     127                 :            :    comes from a macro expansion, false otherwise.  */
     128                 :            : 
     129                 :            : static inline bool
     130                 :    1718449 : from_macro_expansion_at (location_t loc)
     131                 :            : {
     132                 :    1718449 :   return linemap_location_from_macro_expansion_p (line_table, loc);
     133                 :            : }
     134                 :            : 
     135                 :            : /* Return true if LOCATION is the locus of a token that comes from
     136                 :            :    a macro definition, false otherwise.  This differs from from_macro_expansion_at
     137                 :            :    in its treatment of macro arguments, for which this returns false.  */
     138                 :            : 
     139                 :            : static inline bool
     140                 :       1121 : from_macro_definition_at (location_t loc)
     141                 :            : {
     142                 :       1121 :   return linemap_location_from_macro_definition_p (line_table, loc);
     143                 :            : }
     144                 :            : 
     145                 :            : static inline location_t
     146                 :  627538710 : get_pure_location (location_t loc)
     147                 :            : {
     148                 :  627538710 :   return get_pure_location (line_table, loc);
     149                 :            : }
     150                 :            : 
     151                 :            : /* Get the start of any range encoded within location LOC.  */
     152                 :            : 
     153                 :            : static inline location_t
     154                 :  307178261 : get_start (location_t loc)
     155                 :            : {
     156                 :  307178261 :   return get_range_from_loc (line_table, loc).m_start;
     157                 :            : }
     158                 :            : 
     159                 :            : /* Get the endpoint of any range encoded within location LOC.  */
     160                 :            : 
     161                 :            : static inline location_t
     162                 :  312300347 : get_finish (location_t loc)
     163                 :            : {
     164                 :  312300347 :   return get_range_from_loc (line_table, loc).m_finish;
     165                 :            : }
     166                 :            : 
     167                 :            : extern location_t make_location (location_t caret,
     168                 :            :                                  location_t start, location_t finish);
     169                 :            : extern location_t make_location (location_t caret, source_range src_range);
     170                 :            : 
     171                 :            : void dump_line_table_statistics (void);
     172                 :            : 
     173                 :            : void dump_location_info (FILE *stream);
     174                 :            : 
     175                 :            : void diagnostics_file_cache_fini (void);
     176                 :            : 
     177                 :            : void diagnostics_file_cache_forcibly_evict_file (const char *file_path);
     178                 :            : 
     179                 :            : class GTY(()) string_concat
     180                 :            : {
     181                 :            : public:
     182                 :            :   string_concat (int num, location_t *locs);
     183                 :            : 
     184                 :            :   int m_num;
     185                 :            :   location_t * GTY ((atomic)) m_locs;
     186                 :            : };
     187                 :            : 
     188                 :            : struct location_hash : int_hash <location_t, UNKNOWN_LOCATION> { };
     189                 :            : 
     190                 :            : class GTY(()) string_concat_db
     191                 :            : {
     192                 :            :  public:
     193                 :            :   string_concat_db ();
     194                 :            :   void record_string_concatenation (int num, location_t *locs);
     195                 :            : 
     196                 :            :   bool get_string_concatenation (location_t loc,
     197                 :            :                                  int *out_num,
     198                 :            :                                  location_t **out_locs);
     199                 :            : 
     200                 :            :  private:
     201                 :            :   static location_t get_key_loc (location_t loc);
     202                 :            : 
     203                 :            :   /* For the fields to be private, we must grant access to the
     204                 :            :      generated code in gtype-desc.c.  */
     205                 :            : 
     206                 :            :   friend void ::gt_ggc_mx_string_concat_db (void *x_p);
     207                 :            :   friend void ::gt_pch_nx_string_concat_db (void *x_p);
     208                 :            :   friend void ::gt_pch_p_16string_concat_db (void *this_obj, void *x_p,
     209                 :            :                                              gt_pointer_operator op,
     210                 :            :                                              void *cookie);
     211                 :            : 
     212                 :            :   hash_map <location_hash, string_concat *> *m_table;
     213                 :            : };
     214                 :            : 
     215                 :            : #endif

Generated by: LCOV version 1.0

LCOV profile is generated on x86_64 machine using following configure options: configure --disable-bootstrap --enable-coverage=opt --enable-languages=c,c++,fortran,go,jit,lto --enable-host-shared. GCC test suite is run with the built compiler.