1 /* Definitions for C language specific types. 2 Copyright (C) 2009-2018 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 tree x_break_label; 55 tree x_cont_label; 56 struct c_switch * GTY((skip)) x_switch_stack; 57 struct c_arg_info * GTY((skip)) arg_info; 58 int returns_value; 59 int returns_null; 60 int returns_abnormally; 61 int warn_about_return_type; 62 }; 63 64 /* If non-zero, implicit "omp declare target" attribute is added into the 65 attribute lists. */ 66 extern GTY(()) int current_omp_declare_target_attribute; 67 68 #endif /* ! GCC_C_LANG_H */ 69