gcc/c/c-lang.h

   1 /* Definitions for C language specific types.
   2    Copyright (C) 2009-2021 Free Software Foundation, Inc.
   3
   4 This file is part of GCC.
   5
   6 GCC is free software; you can redistribute it and/or modify it under
   7 the terms of the GNU General Public License as published by the Free
   8 Software Foundation; either version 3, or (at your option) any later
   9 version.
  10
  11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14 for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GCC; see the file COPYING3.  If not see
  18 <http://www.gnu.org/licenses/>.  */
  19
  20 #ifndef GCC_C_LANG_H
  21 #define GCC_C_LANG_H
  22
  23 #include "c-family/c-common.h"
  24
  25 /* In a RECORD_TYPE, a sorted array of the fields of the type, not a
  26    tree for size reasons.  */
  27 struct GTY(()) sorted_fields_type {
  28   int len;
  29   tree GTY((length ("%h.len"))) elts[1];
  30 };
  31
  32 struct GTY(()) lang_type {
  33   /* In a RECORD_TYPE, a sorted array of the fields of the type.  */
  34   struct sorted_fields_type * GTY ((reorder ("resort_sorted_fields"))) s;
  35   /* In an ENUMERAL_TYPE, the min and max values.  */
  36   tree enum_min;
  37   tree enum_max;
  38   /* In a RECORD_TYPE, information specific to Objective-C, such
  39      as a list of adopted protocols or a pointer to a corresponding
  40      @interface.  See objc/objc-act.h for details.  */
  41   tree objc_info;
  42 };
  43
  44 struct GTY(()) lang_decl {
  45   char dummy;
  46 };
  47
  48 /* Save and restore the variables in this file and elsewhere
  49    that keep track of the progress of compilation of the current function.
  50    Used for nested functions.  */
  51
  52 struct GTY(()) language_function {
  53   struct c_language_function base;
  54   unsigned char x_in_statement;
  55   struct c_switch * GTY((skip)) x_switch_stack;
  56   struct c_arg_info * GTY((skip)) arg_info;
  57   int returns_value;
  58   int returns_null;
  59   int returns_abnormally;
  60   int warn_about_return_type;
  61 };
  62
  63 /* If non-zero, implicit "omp declare target" attribute is added into the
  64    attribute lists.  */
  65 extern GTY(()) int current_omp_declare_target_attribute;
  66
  67 #endif /* ! GCC_C_LANG_H */