1  /* Definitions for C language specific types.
       2     Copyright (C) 2009-2023 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  struct GTY(()) c_omp_declare_target_attr {
      64    int device_type;
      65  };
      66  
      67  /* If non-zero, implicit "omp declare target" attribute is added into the
      68     attribute lists.  */
      69  extern GTY(()) vec<c_omp_declare_target_attr, va_gc>
      70    *current_omp_declare_target_attribute;
      71  /* Similarly whether we are in between #pragma omp begin assumes and
      72     #pragma omp end assumes (and how many times when nested).  */
      73  extern GTY(()) int current_omp_begin_assumes;
      74  
      75  #endif /* ! GCC_C_LANG_H */