1/* Definitions for c-common.c. 2 Copyright (C) 1987, 1993, 1994, 1995, 1997, 1998,
| 1/* Definitions for c-common.c. 2 Copyright (C) 1987, 1993, 1994, 1995, 1997, 1998,
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3 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
| 3 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
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4 5This file is part of GCC. 6 7GCC is free software; you can redistribute it and/or modify it under 8the terms of the GNU General Public License as published by the Free 9Software Foundation; either version 2, or (at your option) any later 10version. 11 12GCC is distributed in the hope that it will be useful, but WITHOUT ANY 13WARRANTY; without even the implied warranty of MERCHANTABILITY or 14FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15for more details. 16 17You should have received a copy of the GNU General Public License 18along with GCC; see the file COPYING. If not, write to the Free 19Software Foundation, 59 Temple Place - Suite 330, Boston, MA 2002111-1307, USA. */ 21 22#ifndef GCC_C_COMMON_H 23#define GCC_C_COMMON_H 24 25#include "splay-tree.h" 26#include "cpplib.h"
| 4 5This file is part of GCC. 6 7GCC is free software; you can redistribute it and/or modify it under 8the terms of the GNU General Public License as published by the Free 9Software Foundation; either version 2, or (at your option) any later 10version. 11 12GCC is distributed in the hope that it will be useful, but WITHOUT ANY 13WARRANTY; without even the implied warranty of MERCHANTABILITY or 14FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15for more details. 16 17You should have received a copy of the GNU General Public License 18along with GCC; see the file COPYING. If not, write to the Free 19Software Foundation, 59 Temple Place - Suite 330, Boston, MA 2002111-1307, USA. */ 21 22#ifndef GCC_C_COMMON_H 23#define GCC_C_COMMON_H 24 25#include "splay-tree.h" 26#include "cpplib.h"
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| 27#include "ggc.h"
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27 28/* Usage of TREE_LANG_FLAG_?: 29 0: COMPOUND_STMT_NO_SCOPE (in COMPOUND_STMT). 30 TREE_NEGATED_INT (in INTEGER_CST). 31 IDENTIFIER_MARKED (used by search routines). 32 SCOPE_BEGIN_P (in SCOPE_STMT) 33 DECL_PRETTY_FUNCTION_P (in VAR_DECL) 34 NEW_FOR_SCOPE_P (in FOR_STMT) 35 ASM_INPUT_P (in ASM_STMT) 36 STMT_EXPR_NO_SCOPE (in STMT_EXPR) 37 1: C_DECLARED_LABEL_FLAG (in LABEL_DECL) 38 STMT_IS_FULL_EXPR_P (in _STMT) 39 2: STMT_LINENO_FOR_FN_P (in _STMT) 40 3: SCOPE_NO_CLEANUPS_P (in SCOPE_STMT) 41 COMPOUND_STMT_BODY_BLOCK (in COMPOUND_STMT)
| 28 29/* Usage of TREE_LANG_FLAG_?: 30 0: COMPOUND_STMT_NO_SCOPE (in COMPOUND_STMT). 31 TREE_NEGATED_INT (in INTEGER_CST). 32 IDENTIFIER_MARKED (used by search routines). 33 SCOPE_BEGIN_P (in SCOPE_STMT) 34 DECL_PRETTY_FUNCTION_P (in VAR_DECL) 35 NEW_FOR_SCOPE_P (in FOR_STMT) 36 ASM_INPUT_P (in ASM_STMT) 37 STMT_EXPR_NO_SCOPE (in STMT_EXPR) 38 1: C_DECLARED_LABEL_FLAG (in LABEL_DECL) 39 STMT_IS_FULL_EXPR_P (in _STMT) 40 2: STMT_LINENO_FOR_FN_P (in _STMT) 41 3: SCOPE_NO_CLEANUPS_P (in SCOPE_STMT) 42 COMPOUND_STMT_BODY_BLOCK (in COMPOUND_STMT)
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| 43 STMT_EXPR_WARN_UNUSED_RESULT (in STMT_EXPR)
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42 4: SCOPE_PARTIAL_P (in SCOPE_STMT) 43*/ 44 45/* Reserved identifiers. This is the union of all the keywords for C, 46 C++, and Objective-C. All the type modifiers have to be in one 47 block at the beginning, because they are used as mask bits. There 48 are 27 type modifiers; if we add many more we will have to redesign 49 the mask mechanism. */ 50 51enum rid 52{ 53 /* Modifiers: */ 54 /* C, in empirical order of frequency. */ 55 RID_STATIC = 0, 56 RID_UNSIGNED, RID_LONG, RID_CONST, RID_EXTERN, 57 RID_REGISTER, RID_TYPEDEF, RID_SHORT, RID_INLINE, 58 RID_VOLATILE, RID_SIGNED, RID_AUTO, RID_RESTRICT, 59 60 /* C extensions */
| 44 4: SCOPE_PARTIAL_P (in SCOPE_STMT) 45*/ 46 47/* Reserved identifiers. This is the union of all the keywords for C, 48 C++, and Objective-C. All the type modifiers have to be in one 49 block at the beginning, because they are used as mask bits. There 50 are 27 type modifiers; if we add many more we will have to redesign 51 the mask mechanism. */ 52 53enum rid 54{ 55 /* Modifiers: */ 56 /* C, in empirical order of frequency. */ 57 RID_STATIC = 0, 58 RID_UNSIGNED, RID_LONG, RID_CONST, RID_EXTERN, 59 RID_REGISTER, RID_TYPEDEF, RID_SHORT, RID_INLINE, 60 RID_VOLATILE, RID_SIGNED, RID_AUTO, RID_RESTRICT, 61 62 /* C extensions */
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61 RID_BOUNDED, RID_UNBOUNDED, RID_COMPLEX, RID_THREAD,
| 63 RID_COMPLEX, RID_THREAD,
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62 63 /* C++ */ 64 RID_FRIEND, RID_VIRTUAL, RID_EXPLICIT, RID_EXPORT, RID_MUTABLE, 65 66 /* ObjC */ 67 RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF, RID_ONEWAY, 68 69 /* C */ 70 RID_INT, RID_CHAR, RID_FLOAT, RID_DOUBLE, RID_VOID, 71 RID_ENUM, RID_STRUCT, RID_UNION, RID_IF, RID_ELSE, 72 RID_WHILE, RID_DO, RID_FOR, RID_SWITCH, RID_CASE, 73 RID_DEFAULT, RID_BREAK, RID_CONTINUE, RID_RETURN, RID_GOTO, 74 RID_SIZEOF, 75 76 /* C extensions */ 77 RID_ASM, RID_TYPEOF, RID_ALIGNOF, RID_ATTRIBUTE, RID_VA_ARG, 78 RID_EXTENSION, RID_IMAGPART, RID_REALPART, RID_LABEL, RID_PTRBASE, 79 RID_PTREXTENT, RID_PTRVALUE, RID_CHOOSE_EXPR, RID_TYPES_COMPATIBLE_P, 80 81 /* Too many ways of getting the name of a function as a string */ 82 RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME, RID_C99_FUNCTION_NAME, 83 84 /* C++ */ 85 RID_BOOL, RID_WCHAR, RID_CLASS, 86 RID_PUBLIC, RID_PRIVATE, RID_PROTECTED, 87 RID_TEMPLATE, RID_NULL, RID_CATCH, 88 RID_DELETE, RID_FALSE, RID_NAMESPACE,
| 64 65 /* C++ */ 66 RID_FRIEND, RID_VIRTUAL, RID_EXPLICIT, RID_EXPORT, RID_MUTABLE, 67 68 /* ObjC */ 69 RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF, RID_ONEWAY, 70 71 /* C */ 72 RID_INT, RID_CHAR, RID_FLOAT, RID_DOUBLE, RID_VOID, 73 RID_ENUM, RID_STRUCT, RID_UNION, RID_IF, RID_ELSE, 74 RID_WHILE, RID_DO, RID_FOR, RID_SWITCH, RID_CASE, 75 RID_DEFAULT, RID_BREAK, RID_CONTINUE, RID_RETURN, RID_GOTO, 76 RID_SIZEOF, 77 78 /* C extensions */ 79 RID_ASM, RID_TYPEOF, RID_ALIGNOF, RID_ATTRIBUTE, RID_VA_ARG, 80 RID_EXTENSION, RID_IMAGPART, RID_REALPART, RID_LABEL, RID_PTRBASE, 81 RID_PTREXTENT, RID_PTRVALUE, RID_CHOOSE_EXPR, RID_TYPES_COMPATIBLE_P, 82 83 /* Too many ways of getting the name of a function as a string */ 84 RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME, RID_C99_FUNCTION_NAME, 85 86 /* C++ */ 87 RID_BOOL, RID_WCHAR, RID_CLASS, 88 RID_PUBLIC, RID_PRIVATE, RID_PROTECTED, 89 RID_TEMPLATE, RID_NULL, RID_CATCH, 90 RID_DELETE, RID_FALSE, RID_NAMESPACE,
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89 RID_NEW, RID_OPERATOR, RID_THIS, 90 RID_THROW, RID_TRUE, RID_TRY, 91 RID_TYPENAME, RID_TYPEID, RID_USING,
| 91 RID_NEW, RID_OFFSETOF, RID_OPERATOR, 92 RID_THIS, RID_THROW, RID_TRUE, 93 RID_TRY, RID_TYPENAME, RID_TYPEID, 94 RID_USING,
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92 93 /* casts */ 94 RID_CONSTCAST, RID_DYNCAST, RID_REINTCAST, RID_STATCAST, 95 96 /* Objective-C */ 97 RID_ID, RID_AT_ENCODE, RID_AT_END, 98 RID_AT_CLASS, RID_AT_ALIAS, RID_AT_DEFS, 99 RID_AT_PRIVATE, RID_AT_PROTECTED, RID_AT_PUBLIC,
| 95 96 /* casts */ 97 RID_CONSTCAST, RID_DYNCAST, RID_REINTCAST, RID_STATCAST, 98 99 /* Objective-C */ 100 RID_ID, RID_AT_ENCODE, RID_AT_END, 101 RID_AT_CLASS, RID_AT_ALIAS, RID_AT_DEFS, 102 RID_AT_PRIVATE, RID_AT_PROTECTED, RID_AT_PUBLIC,
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100 RID_AT_PROTOCOL, RID_AT_SELECTOR, RID_AT_INTERFACE,
| 103 RID_AT_PROTOCOL, RID_AT_SELECTOR, 104 RID_AT_THROW, RID_AT_TRY, RID_AT_CATCH, 105 RID_AT_FINALLY, RID_AT_SYNCHRONIZED, 106 RID_AT_INTERFACE,
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101 RID_AT_IMPLEMENTATION, 102 103 RID_MAX, 104 105 RID_FIRST_MODIFIER = RID_STATIC, 106 RID_LAST_MODIFIER = RID_ONEWAY, 107 108 RID_FIRST_AT = RID_AT_ENCODE, 109 RID_LAST_AT = RID_AT_IMPLEMENTATION, 110 RID_FIRST_PQ = RID_IN, 111 RID_LAST_PQ = RID_ONEWAY 112}; 113 114#define OBJC_IS_AT_KEYWORD(rid) \ 115 ((unsigned int)(rid) >= (unsigned int)RID_FIRST_AT && \ 116 (unsigned int)(rid) <= (unsigned int)RID_LAST_AT) 117 118#define OBJC_IS_PQ_KEYWORD(rid) \ 119 ((unsigned int)(rid) >= (unsigned int)RID_FIRST_PQ && \ 120 (unsigned int)(rid) <= (unsigned int)RID_LAST_PQ) 121 122/* The elements of `ridpointers' are identifier nodes for the reserved 123 type names and storage classes. It is indexed by a RID_... value. */
| 107 RID_AT_IMPLEMENTATION, 108 109 RID_MAX, 110 111 RID_FIRST_MODIFIER = RID_STATIC, 112 RID_LAST_MODIFIER = RID_ONEWAY, 113 114 RID_FIRST_AT = RID_AT_ENCODE, 115 RID_LAST_AT = RID_AT_IMPLEMENTATION, 116 RID_FIRST_PQ = RID_IN, 117 RID_LAST_PQ = RID_ONEWAY 118}; 119 120#define OBJC_IS_AT_KEYWORD(rid) \ 121 ((unsigned int)(rid) >= (unsigned int)RID_FIRST_AT && \ 122 (unsigned int)(rid) <= (unsigned int)RID_LAST_AT) 123 124#define OBJC_IS_PQ_KEYWORD(rid) \ 125 ((unsigned int)(rid) >= (unsigned int)RID_FIRST_PQ && \ 126 (unsigned int)(rid) <= (unsigned int)RID_LAST_PQ) 127 128/* The elements of `ridpointers' are identifier nodes for the reserved 129 type names and storage classes. It is indexed by a RID_... value. */
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124extern tree *ridpointers;
| 130extern GTY ((length ("(int)RID_MAX"))) tree *ridpointers;
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125 126/* Standard named or nameless data types of the C compiler. */ 127 128enum c_tree_index 129{ 130 CTI_WCHAR_TYPE, 131 CTI_SIGNED_WCHAR_TYPE, 132 CTI_UNSIGNED_WCHAR_TYPE, 133 CTI_WINT_TYPE, 134 CTI_SIGNED_SIZE_TYPE, /* For format checking only. */ 135 CTI_UNSIGNED_PTRDIFF_TYPE, /* For format checking only. */ 136 CTI_INTMAX_TYPE, 137 CTI_UINTMAX_TYPE, 138 CTI_WIDEST_INT_LIT_TYPE, 139 CTI_WIDEST_UINT_LIT_TYPE, 140 141 CTI_CHAR_ARRAY_TYPE, 142 CTI_WCHAR_ARRAY_TYPE, 143 CTI_INT_ARRAY_TYPE, 144 CTI_STRING_TYPE, 145 CTI_CONST_STRING_TYPE, 146 147 /* Type for boolean expressions (bool in C++, int in C). */
| 131 132/* Standard named or nameless data types of the C compiler. */ 133 134enum c_tree_index 135{ 136 CTI_WCHAR_TYPE, 137 CTI_SIGNED_WCHAR_TYPE, 138 CTI_UNSIGNED_WCHAR_TYPE, 139 CTI_WINT_TYPE, 140 CTI_SIGNED_SIZE_TYPE, /* For format checking only. */ 141 CTI_UNSIGNED_PTRDIFF_TYPE, /* For format checking only. */ 142 CTI_INTMAX_TYPE, 143 CTI_UINTMAX_TYPE, 144 CTI_WIDEST_INT_LIT_TYPE, 145 CTI_WIDEST_UINT_LIT_TYPE, 146 147 CTI_CHAR_ARRAY_TYPE, 148 CTI_WCHAR_ARRAY_TYPE, 149 CTI_INT_ARRAY_TYPE, 150 CTI_STRING_TYPE, 151 CTI_CONST_STRING_TYPE, 152 153 /* Type for boolean expressions (bool in C++, int in C). */
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148 CTI_BOOLEAN_TYPE, 149 CTI_BOOLEAN_TRUE, 150 CTI_BOOLEAN_FALSE, 151 /* C99's _Bool type. */ 152 CTI_C_BOOL_TYPE, 153 CTI_C_BOOL_TRUE, 154 CTI_C_BOOL_FALSE,
| 154 CTI_TRUTHVALUE_TYPE, 155 CTI_TRUTHVALUE_TRUE, 156 CTI_TRUTHVALUE_FALSE, 157
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155 CTI_DEFAULT_FUNCTION_TYPE, 156 157 CTI_G77_INTEGER_TYPE, 158 CTI_G77_UINTEGER_TYPE, 159 CTI_G77_LONGINT_TYPE, 160 CTI_G77_ULONGINT_TYPE, 161 162 /* These are not types, but we have to look them up all the time. */ 163 CTI_FUNCTION_NAME_DECL, 164 CTI_PRETTY_FUNCTION_NAME_DECL, 165 CTI_C99_FUNCTION_NAME_DECL, 166 CTI_SAVED_FUNCTION_NAME_DECLS, 167 168 CTI_VOID_ZERO, 169 170 CTI_MAX 171}; 172 173#define C_RID_CODE(id) (((struct c_common_identifier *) (id))->node.rid_code) 174 175/* Identifier part common to the C front ends. Inherits from 176 tree_identifier, despite appearances. */ 177struct c_common_identifier GTY(()) 178{ 179 struct tree_common common;
| 158 CTI_DEFAULT_FUNCTION_TYPE, 159 160 CTI_G77_INTEGER_TYPE, 161 CTI_G77_UINTEGER_TYPE, 162 CTI_G77_LONGINT_TYPE, 163 CTI_G77_ULONGINT_TYPE, 164 165 /* These are not types, but we have to look them up all the time. */ 166 CTI_FUNCTION_NAME_DECL, 167 CTI_PRETTY_FUNCTION_NAME_DECL, 168 CTI_C99_FUNCTION_NAME_DECL, 169 CTI_SAVED_FUNCTION_NAME_DECLS, 170 171 CTI_VOID_ZERO, 172 173 CTI_MAX 174}; 175 176#define C_RID_CODE(id) (((struct c_common_identifier *) (id))->node.rid_code) 177 178/* Identifier part common to the C front ends. Inherits from 179 tree_identifier, despite appearances. */ 180struct c_common_identifier GTY(()) 181{ 182 struct tree_common common;
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180 struct cpp_hashnode GTY ((skip (""))) node;
| 183 struct cpp_hashnode node;
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181}; 182 183#define wchar_type_node c_global_trees[CTI_WCHAR_TYPE] 184#define signed_wchar_type_node c_global_trees[CTI_SIGNED_WCHAR_TYPE] 185#define unsigned_wchar_type_node c_global_trees[CTI_UNSIGNED_WCHAR_TYPE] 186#define wint_type_node c_global_trees[CTI_WINT_TYPE] 187#define signed_size_type_node c_global_trees[CTI_SIGNED_SIZE_TYPE] 188#define unsigned_ptrdiff_type_node c_global_trees[CTI_UNSIGNED_PTRDIFF_TYPE] 189#define intmax_type_node c_global_trees[CTI_INTMAX_TYPE] 190#define uintmax_type_node c_global_trees[CTI_UINTMAX_TYPE] 191#define widest_integer_literal_type_node c_global_trees[CTI_WIDEST_INT_LIT_TYPE] 192#define widest_unsigned_literal_type_node c_global_trees[CTI_WIDEST_UINT_LIT_TYPE] 193
| 184}; 185 186#define wchar_type_node c_global_trees[CTI_WCHAR_TYPE] 187#define signed_wchar_type_node c_global_trees[CTI_SIGNED_WCHAR_TYPE] 188#define unsigned_wchar_type_node c_global_trees[CTI_UNSIGNED_WCHAR_TYPE] 189#define wint_type_node c_global_trees[CTI_WINT_TYPE] 190#define signed_size_type_node c_global_trees[CTI_SIGNED_SIZE_TYPE] 191#define unsigned_ptrdiff_type_node c_global_trees[CTI_UNSIGNED_PTRDIFF_TYPE] 192#define intmax_type_node c_global_trees[CTI_INTMAX_TYPE] 193#define uintmax_type_node c_global_trees[CTI_UINTMAX_TYPE] 194#define widest_integer_literal_type_node c_global_trees[CTI_WIDEST_INT_LIT_TYPE] 195#define widest_unsigned_literal_type_node c_global_trees[CTI_WIDEST_UINT_LIT_TYPE] 196
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194#define boolean_type_node c_global_trees[CTI_BOOLEAN_TYPE] 195#define boolean_true_node c_global_trees[CTI_BOOLEAN_TRUE] 196#define boolean_false_node c_global_trees[CTI_BOOLEAN_FALSE]
| 197#define truthvalue_type_node c_global_trees[CTI_TRUTHVALUE_TYPE] 198#define truthvalue_true_node c_global_trees[CTI_TRUTHVALUE_TRUE] 199#define truthvalue_false_node c_global_trees[CTI_TRUTHVALUE_FALSE]
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197
| 200
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198#define c_bool_type_node c_global_trees[CTI_C_BOOL_TYPE] 199#define c_bool_true_node c_global_trees[CTI_C_BOOL_TRUE] 200#define c_bool_false_node c_global_trees[CTI_C_BOOL_FALSE] 201
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202#define char_array_type_node c_global_trees[CTI_CHAR_ARRAY_TYPE] 203#define wchar_array_type_node c_global_trees[CTI_WCHAR_ARRAY_TYPE] 204#define int_array_type_node c_global_trees[CTI_INT_ARRAY_TYPE] 205#define string_type_node c_global_trees[CTI_STRING_TYPE] 206#define const_string_type_node c_global_trees[CTI_CONST_STRING_TYPE] 207 208#define default_function_type c_global_trees[CTI_DEFAULT_FUNCTION_TYPE] 209 210/* g77 integer types, which which must be kept in sync with f/com.h */ 211#define g77_integer_type_node c_global_trees[CTI_G77_INTEGER_TYPE] 212#define g77_uinteger_type_node c_global_trees[CTI_G77_UINTEGER_TYPE] 213#define g77_longint_type_node c_global_trees[CTI_G77_LONGINT_TYPE] 214#define g77_ulongint_type_node c_global_trees[CTI_G77_ULONGINT_TYPE] 215 216#define function_name_decl_node c_global_trees[CTI_FUNCTION_NAME_DECL] 217#define pretty_function_name_decl_node c_global_trees[CTI_PRETTY_FUNCTION_NAME_DECL] 218#define c99_function_name_decl_node c_global_trees[CTI_C99_FUNCTION_NAME_DECL] 219#define saved_function_name_decls c_global_trees[CTI_SAVED_FUNCTION_NAME_DECLS] 220 221/* A node for `((void) 0)'. */ 222#define void_zero_node c_global_trees[CTI_VOID_ZERO] 223 224extern GTY(()) tree c_global_trees[CTI_MAX]; 225
| 201#define char_array_type_node c_global_trees[CTI_CHAR_ARRAY_TYPE] 202#define wchar_array_type_node c_global_trees[CTI_WCHAR_ARRAY_TYPE] 203#define int_array_type_node c_global_trees[CTI_INT_ARRAY_TYPE] 204#define string_type_node c_global_trees[CTI_STRING_TYPE] 205#define const_string_type_node c_global_trees[CTI_CONST_STRING_TYPE] 206 207#define default_function_type c_global_trees[CTI_DEFAULT_FUNCTION_TYPE] 208 209/* g77 integer types, which which must be kept in sync with f/com.h */ 210#define g77_integer_type_node c_global_trees[CTI_G77_INTEGER_TYPE] 211#define g77_uinteger_type_node c_global_trees[CTI_G77_UINTEGER_TYPE] 212#define g77_longint_type_node c_global_trees[CTI_G77_LONGINT_TYPE] 213#define g77_ulongint_type_node c_global_trees[CTI_G77_ULONGINT_TYPE] 214 215#define function_name_decl_node c_global_trees[CTI_FUNCTION_NAME_DECL] 216#define pretty_function_name_decl_node c_global_trees[CTI_PRETTY_FUNCTION_NAME_DECL] 217#define c99_function_name_decl_node c_global_trees[CTI_C99_FUNCTION_NAME_DECL] 218#define saved_function_name_decls c_global_trees[CTI_SAVED_FUNCTION_NAME_DECLS] 219 220/* A node for `((void) 0)'. */ 221#define void_zero_node c_global_trees[CTI_VOID_ZERO] 222 223extern GTY(()) tree c_global_trees[CTI_MAX]; 224
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| 225/* In a RECORD_TYPE, a sorted array of the fields of the type, not a 226 tree for size reasons. */ 227struct sorted_fields_type GTY(()) 228{ 229 int len; 230 tree GTY((length ("%h.len"))) elts[1]; 231}; 232
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226/* Mark which labels are explicitly declared. 227 These may be shadowed, and may be referenced from nested functions. */ 228#define C_DECLARED_LABEL_FLAG(label) TREE_LANG_FLAG_1 (label) 229 230/* Flag strings given by __FUNCTION__ and __PRETTY_FUNCTION__ for a 231 warning if they undergo concatenation. */ 232#define C_ARTIFICIAL_STRING_P(NODE) TREE_LANG_FLAG_0 (NODE) 233 234typedef enum c_language_kind 235{
| 233/* Mark which labels are explicitly declared. 234 These may be shadowed, and may be referenced from nested functions. */ 235#define C_DECLARED_LABEL_FLAG(label) TREE_LANG_FLAG_1 (label) 236 237/* Flag strings given by __FUNCTION__ and __PRETTY_FUNCTION__ for a 238 warning if they undergo concatenation. */ 239#define C_ARTIFICIAL_STRING_P(NODE) TREE_LANG_FLAG_0 (NODE) 240 241typedef enum c_language_kind 242{
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236 clk_c = 0, /* A dialect of C: K&R C, ANSI/ISO C89, C2000, etc. */ 237 clk_cplusplus /* ANSI/ISO C++ */
| 243 clk_c = 0, /* C90, C94 or C99 */ 244 clk_objc = 1, /* clk_c with ObjC features. */ 245 clk_cxx = 2, /* ANSI/ISO C++ */ 246 clk_objcxx = 3 /* clk_cxx with ObjC features. */
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238} 239c_language_kind; 240
| 247} 248c_language_kind; 249
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| 250/* To test for a specific language use c_language, defined by each 251 front end. For "ObjC features" or "not C++" use the macros. */ 252extern c_language_kind c_language; 253 254#define c_dialect_cxx() (c_language & clk_cxx) 255#define c_dialect_objc() (c_language & clk_objc) 256
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241/* Information about a statement tree. */ 242 243struct stmt_tree_s GTY(()) { 244 /* The last statement added to the tree. */ 245 tree x_last_stmt; 246 /* The type of the last expression statement. (This information is 247 needed to implement the statement-expression extension.) */ 248 tree x_last_expr_type; 249 /* The last filename we recorded. */ 250 const char *x_last_expr_filename; 251 /* In C++, Nonzero if we should treat statements as full 252 expressions. In particular, this variable is no-zero if at the 253 end of a statement we should destroy any temporaries created 254 during that statement. Similarly, if, at the end of a block, we 255 should destroy any local variables in this block. Normally, this 256 variable is nonzero, since those are the normal semantics of 257 C++. 258 259 However, in order to represent aggregate initialization code as 260 tree structure, we use statement-expressions. The statements 261 within the statement expression should not result in cleanups 262 being run until the entire enclosing statement is complete. 263 264 This flag has no effect in C. */ 265 int stmts_are_full_exprs_p; 266}; 267 268typedef struct stmt_tree_s *stmt_tree; 269 270/* Global state pertinent to the current function. Some C dialects 271 extend this structure with additional fields. */ 272 273struct c_language_function GTY(()) { 274 /* While we are parsing the function, this contains information 275 about the statement-tree that we are building. */ 276 struct stmt_tree_s x_stmt_tree; 277 /* The stack of SCOPE_STMTs for the current function. */ 278 tree x_scope_stmt_stack; 279}; 280 281/* When building a statement-tree, this is the last statement added to 282 the tree. */ 283 284#define last_tree (current_stmt_tree ()->x_last_stmt) 285 286/* The type of the last expression-statement we have seen. */ 287 288#define last_expr_type (current_stmt_tree ()->x_last_expr_type) 289 290/* The name of the last file we have seen. */ 291 292#define last_expr_filename (current_stmt_tree ()->x_last_expr_filename) 293 294/* LAST_TREE contains the last statement parsed. These are chained 295 together through the TREE_CHAIN field, but often need to be 296 re-organized since the parse is performed bottom-up. This macro 297 makes LAST_TREE the indicated SUBSTMT of STMT. */ 298 299#define RECHAIN_STMTS(stmt, substmt) \ 300 do { \ 301 substmt = TREE_CHAIN (stmt); \ 302 TREE_CHAIN (stmt) = NULL_TREE; \ 303 last_tree = stmt; \ 304 } while (0) 305 306/* Language-specific hooks. */ 307
| 257/* Information about a statement tree. */ 258 259struct stmt_tree_s GTY(()) { 260 /* The last statement added to the tree. */ 261 tree x_last_stmt; 262 /* The type of the last expression statement. (This information is 263 needed to implement the statement-expression extension.) */ 264 tree x_last_expr_type; 265 /* The last filename we recorded. */ 266 const char *x_last_expr_filename; 267 /* In C++, Nonzero if we should treat statements as full 268 expressions. In particular, this variable is no-zero if at the 269 end of a statement we should destroy any temporaries created 270 during that statement. Similarly, if, at the end of a block, we 271 should destroy any local variables in this block. Normally, this 272 variable is nonzero, since those are the normal semantics of 273 C++. 274 275 However, in order to represent aggregate initialization code as 276 tree structure, we use statement-expressions. The statements 277 within the statement expression should not result in cleanups 278 being run until the entire enclosing statement is complete. 279 280 This flag has no effect in C. */ 281 int stmts_are_full_exprs_p; 282}; 283 284typedef struct stmt_tree_s *stmt_tree; 285 286/* Global state pertinent to the current function. Some C dialects 287 extend this structure with additional fields. */ 288 289struct c_language_function GTY(()) { 290 /* While we are parsing the function, this contains information 291 about the statement-tree that we are building. */ 292 struct stmt_tree_s x_stmt_tree; 293 /* The stack of SCOPE_STMTs for the current function. */ 294 tree x_scope_stmt_stack; 295}; 296 297/* When building a statement-tree, this is the last statement added to 298 the tree. */ 299 300#define last_tree (current_stmt_tree ()->x_last_stmt) 301 302/* The type of the last expression-statement we have seen. */ 303 304#define last_expr_type (current_stmt_tree ()->x_last_expr_type) 305 306/* The name of the last file we have seen. */ 307 308#define last_expr_filename (current_stmt_tree ()->x_last_expr_filename) 309 310/* LAST_TREE contains the last statement parsed. These are chained 311 together through the TREE_CHAIN field, but often need to be 312 re-organized since the parse is performed bottom-up. This macro 313 makes LAST_TREE the indicated SUBSTMT of STMT. */ 314 315#define RECHAIN_STMTS(stmt, substmt) \ 316 do { \ 317 substmt = TREE_CHAIN (stmt); \ 318 TREE_CHAIN (stmt) = NULL_TREE; \ 319 last_tree = stmt; \ 320 } while (0) 321 322/* Language-specific hooks. */ 323
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308extern int (*lang_statement_code_p) PARAMS ((enum tree_code)); 309extern void (*lang_expand_stmt) PARAMS ((tree)); 310extern void (*lang_expand_decl_stmt) PARAMS ((tree)); 311extern void (*lang_expand_function_end) PARAMS ((void)); 312extern tree gettags PARAMS ((void));
| 324extern void (*lang_expand_stmt) (tree); 325extern void (*lang_expand_decl_stmt) (tree); 326extern void (*lang_expand_function_end) (void);
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313 314/* Callback that determines if it's ok for a function to have no 315 noreturn attribute. */
| 327 328/* Callback that determines if it's ok for a function to have no 329 noreturn attribute. */
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316extern int (*lang_missing_noreturn_ok_p) PARAMS ((tree));
| 330extern int (*lang_missing_noreturn_ok_p) (tree);
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317
| 331
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318extern int yyparse PARAMS ((void)); 319extern void free_parser_stacks PARAMS ((void));
| 332extern int yyparse (void); 333extern stmt_tree current_stmt_tree (void); 334extern tree *current_scope_stmt_stack (void); 335extern void begin_stmt_tree (tree *); 336extern tree add_stmt (tree); 337extern void add_decl_stmt (tree); 338extern tree add_scope_stmt (int, int); 339extern void finish_stmt_tree (tree *);
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320
| 340
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321extern stmt_tree current_stmt_tree PARAMS ((void)); 322extern tree *current_scope_stmt_stack PARAMS ((void)); 323extern void begin_stmt_tree PARAMS ((tree *)); 324extern tree add_stmt PARAMS ((tree)); 325extern void add_decl_stmt PARAMS ((tree)); 326extern tree add_scope_stmt PARAMS ((int, int)); 327extern void finish_stmt_tree PARAMS ((tree *));
| 341extern tree walk_stmt_tree (tree *, walk_tree_fn, void *); 342extern void prep_stmt (tree); 343extern void expand_stmt (tree); 344extern tree c_begin_if_stmt (void); 345extern tree c_begin_while_stmt (void); 346extern void c_finish_while_stmt_cond (tree, tree);
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328
| 347
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329extern int statement_code_p PARAMS ((enum tree_code)); 330extern tree walk_stmt_tree PARAMS ((tree *, 331 walk_tree_fn, 332 void *)); 333extern void prep_stmt PARAMS ((tree)); 334extern void expand_stmt PARAMS ((tree)); 335extern void shadow_warning PARAMS ((const char *, 336 tree, tree)); 337extern tree c_begin_if_stmt PARAMS ((void)); 338extern tree c_begin_while_stmt PARAMS ((void)); 339extern void c_finish_while_stmt_cond PARAMS ((tree, tree));
| 348extern int field_decl_cmp (const void *, const void *); 349extern void resort_sorted_fields (void *, void *, gt_pointer_operator, 350 void *); 351 352/* Switches common to the C front ends. */
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340
| 353
|
| 354/* Nonzero if prepreprocessing only. */
|
341
| 355
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342/* Extra information associated with a DECL. Other C dialects extend 343 this structure in various ways. The C front-end only uses this 344 structure for FUNCTION_DECLs; all other DECLs have a NULL 345 DECL_LANG_SPECIFIC field. */
| 356extern int flag_preprocess_only;
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346
| 357
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347struct c_lang_decl GTY(()) { 348 unsigned declared_inline : 1; 349};
| 358/* Zero means that faster, ...NonNil variants of objc_msgSend... 359 calls will be used in ObjC; passing nil receivers to such calls 360 will most likely result in crashes. */ 361extern int flag_nil_receivers;
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350
| 362
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351/* In a FUNCTION_DECL for which DECL_BUILT_IN does not hold, this is 352 the approximate number of statements in this function. There is 353 no need for this number to be exact; it is only used in various 354 heuristics regarding optimization. */ 355#define DECL_NUM_STMTS(NODE) \ 356 (FUNCTION_DECL_CHECK (NODE)->decl.u1.i)
| 363/* Nonzero means that we will allow new ObjC exception syntax (@throw, 364 @try, etc.) in source code. */ 365extern int flag_objc_exceptions;
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357
| 366
|
358/* The variant of the C language being processed. Each C language 359 front-end defines this variable. */
| 367/* Nonzero means that code generation will be altered to support 368 "zero-link" execution. This currently affects ObjC only, but may 369 affect other languages in the future. */ 370extern int flag_zero_link;
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360
| 371
|
361extern c_language_kind c_language;
| 372/* Nonzero means emit an '__OBJC, __image_info' for the current translation 373 unit. It will inform the ObjC runtime that class definition(s) herein 374 contained are to replace one(s) previously loaded. */ 375extern int flag_replace_objc_classes;
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362
| 376
|
363/* Switches common to the C front ends. */
| 377/* Nonzero means don't output line number information. */
|
364
| 378
|
365/* Nonzero if prepreprocessing only. */ 366extern int flag_preprocess_only;
| 379extern char flag_no_line_commands;
|
367
| 380
|
| 381/* Nonzero causes -E output not to be done, but directives such as 382 #define that have side effects are still obeyed. */ 383 384extern char flag_no_output; 385 386/* Nonzero means dump macros in some fashion; contains the 'D', 'M' or 387 'N' of the command line switch. */ 388 389extern char flag_dump_macros; 390 391/* Nonzero means pass #include lines through to the output. */ 392 393extern char flag_dump_includes; 394 395/* The file name to which we should write a precompiled header, or 396 NULL if no header will be written in this compile. */ 397 398extern const char *pch_file; 399
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368/* Nonzero if an ISO standard was selected. It rejects macros in the 369 user's namespace. */
| 400/* Nonzero if an ISO standard was selected. It rejects macros in the 401 user's namespace. */
|
| 402
|
370extern int flag_iso; 371
| 403extern int flag_iso; 404
|
372/* Nonzero whenever Objective-C functionality is being used. */ 373extern int flag_objc; 374
| |
375/* Nonzero if -undef was given. It suppresses target built-in macros 376 and assertions. */
| 405/* Nonzero if -undef was given. It suppresses target built-in macros 406 and assertions. */
|
| 407
|
377extern int flag_undef; 378 379/* Nonzero means don't recognize the non-ANSI builtin functions. */ 380 381extern int flag_no_builtin; 382 383/* Nonzero means don't recognize the non-ANSI builtin functions. 384 -ansi sets this. */ 385 386extern int flag_no_nonansi_builtin; 387 388/* Nonzero means give `double' the same size as `float'. */ 389 390extern int flag_short_double; 391 392/* Nonzero means give `wchar_t' the same size as `short'. */ 393 394extern int flag_short_wchar; 395 396/* Nonzero means allow Microsoft extensions without warnings or errors. */ 397extern int flag_ms_extensions; 398 399/* Nonzero means don't recognize the keyword `asm'. */ 400 401extern int flag_no_asm; 402 403/* Nonzero means give string constants the type `const char *', as mandated 404 by the standard. */ 405 406extern int flag_const_strings; 407
| 408extern int flag_undef; 409 410/* Nonzero means don't recognize the non-ANSI builtin functions. */ 411 412extern int flag_no_builtin; 413 414/* Nonzero means don't recognize the non-ANSI builtin functions. 415 -ansi sets this. */ 416 417extern int flag_no_nonansi_builtin; 418 419/* Nonzero means give `double' the same size as `float'. */ 420 421extern int flag_short_double; 422 423/* Nonzero means give `wchar_t' the same size as `short'. */ 424 425extern int flag_short_wchar; 426 427/* Nonzero means allow Microsoft extensions without warnings or errors. */ 428extern int flag_ms_extensions; 429 430/* Nonzero means don't recognize the keyword `asm'. */ 431 432extern int flag_no_asm; 433 434/* Nonzero means give string constants the type `const char *', as mandated 435 by the standard. */ 436 437extern int flag_const_strings; 438
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408/* Nonzero means `$' can be in an identifier. */ 409 410extern int dollars_in_ident; 411
| |
412/* Nonzero means to treat bitfields as signed unless they say `unsigned'. */ 413 414extern int flag_signed_bitfields; 415extern int explicit_flag_signed_bitfields; 416 417/* Nonzero means warn about pointer casts that can drop a type qualifier 418 from the pointer target type. */ 419 420extern int warn_cast_qual; 421 422/* Warn about functions which might be candidates for format attributes. */ 423 424extern int warn_missing_format_attribute; 425 426/* Nonzero means do not warn that K&R style main() is not a function prototype. */ 427extern int flag_bsd_no_warn_kr_main; 428 429/* Nonzero means warn about sizeof(function) or addition/subtraction 430 of function pointers. */ 431 432extern int warn_pointer_arith; 433 434/* Nonzero means warn for any global function def 435 without separate previous prototype decl. */ 436 437extern int warn_missing_prototypes; 438 439/* Warn if adding () is suggested. */ 440 441extern int warn_parentheses; 442 443/* Warn if initializer is not completely bracketed. */ 444 445extern int warn_missing_braces; 446 447/* Warn about comparison of signed and unsigned values. 448 If -1, neither -Wsign-compare nor -Wno-sign-compare has been specified. */ 449 450extern int warn_sign_compare; 451 452/* Nonzero means warn about usage of long long when `-pedantic'. */ 453 454extern int warn_long_long; 455 456/* Nonzero means warn about deprecated conversion from string constant to 457 `char *'. */ 458 459extern int warn_write_strings; 460 461/* Nonzero means warn about multiple (redundant) decls for the same single 462 variable or function. */ 463 464extern int warn_redundant_decls; 465 466/* Warn about testing equality of floating point numbers. */ 467 468extern int warn_float_equal; 469 470/* Warn about a subscript that has type char. */ 471 472extern int warn_char_subscripts; 473 474/* Warn if a type conversion is done that might have confusing results. */ 475 476extern int warn_conversion; 477 478/* Warn about #pragma directives that are not recognized. */ 479 480extern int warn_unknown_pragmas; /* Tri state variable. */ 481 482/* Warn about format/argument anomalies in calls to formatted I/O functions 483 (*printf, *scanf, strftime, strfmon, etc.). */ 484 485extern int warn_format; 486 487/* Warn about Y2K problems with strftime formats. */ 488 489extern int warn_format_y2k; 490 491/* Warn about excess arguments to formats. */ 492 493extern int warn_format_extra_args; 494 495/* Warn about zero-length formats. */ 496 497extern int warn_format_zero_length; 498 499/* Warn about non-literal format arguments. */ 500 501extern int warn_format_nonliteral; 502 503/* Warn about possible security problems with calls to format functions. */ 504 505extern int warn_format_security; 506 507 508/* C/ObjC language option variables. */ 509 510 511/* Nonzero means message about use of implicit function declarations; 512 1 means warning; 2 means error. */ 513 514extern int mesg_implicit_function_declaration; 515 516/* Nonzero means allow type mismatches in conditional expressions; 517 just make their values `void'. */ 518 519extern int flag_cond_mismatch; 520 521/* Nonzero means enable C89 Amendment 1 features. */ 522 523extern int flag_isoc94; 524 525/* Nonzero means use the ISO C99 dialect of C. */ 526 527extern int flag_isoc99; 528 529/* Nonzero means allow the BSD kernel printf enhancments. */ 530 531extern int flag_bsd_format; 532
| 439/* Nonzero means to treat bitfields as signed unless they say `unsigned'. */ 440 441extern int flag_signed_bitfields; 442extern int explicit_flag_signed_bitfields; 443 444/* Nonzero means warn about pointer casts that can drop a type qualifier 445 from the pointer target type. */ 446 447extern int warn_cast_qual; 448 449/* Warn about functions which might be candidates for format attributes. */ 450 451extern int warn_missing_format_attribute; 452 453/* Nonzero means do not warn that K&R style main() is not a function prototype. */ 454extern int flag_bsd_no_warn_kr_main; 455 456/* Nonzero means warn about sizeof(function) or addition/subtraction 457 of function pointers. */ 458 459extern int warn_pointer_arith; 460 461/* Nonzero means warn for any global function def 462 without separate previous prototype decl. */ 463 464extern int warn_missing_prototypes; 465 466/* Warn if adding () is suggested. */ 467 468extern int warn_parentheses; 469 470/* Warn if initializer is not completely bracketed. */ 471 472extern int warn_missing_braces; 473 474/* Warn about comparison of signed and unsigned values. 475 If -1, neither -Wsign-compare nor -Wno-sign-compare has been specified. */ 476 477extern int warn_sign_compare; 478 479/* Nonzero means warn about usage of long long when `-pedantic'. */ 480 481extern int warn_long_long; 482 483/* Nonzero means warn about deprecated conversion from string constant to 484 `char *'. */ 485 486extern int warn_write_strings; 487 488/* Nonzero means warn about multiple (redundant) decls for the same single 489 variable or function. */ 490 491extern int warn_redundant_decls; 492 493/* Warn about testing equality of floating point numbers. */ 494 495extern int warn_float_equal; 496 497/* Warn about a subscript that has type char. */ 498 499extern int warn_char_subscripts; 500 501/* Warn if a type conversion is done that might have confusing results. */ 502 503extern int warn_conversion; 504 505/* Warn about #pragma directives that are not recognized. */ 506 507extern int warn_unknown_pragmas; /* Tri state variable. */ 508 509/* Warn about format/argument anomalies in calls to formatted I/O functions 510 (*printf, *scanf, strftime, strfmon, etc.). */ 511 512extern int warn_format; 513 514/* Warn about Y2K problems with strftime formats. */ 515 516extern int warn_format_y2k; 517 518/* Warn about excess arguments to formats. */ 519 520extern int warn_format_extra_args; 521 522/* Warn about zero-length formats. */ 523 524extern int warn_format_zero_length; 525 526/* Warn about non-literal format arguments. */ 527 528extern int warn_format_nonliteral; 529 530/* Warn about possible security problems with calls to format functions. */ 531 532extern int warn_format_security; 533 534 535/* C/ObjC language option variables. */ 536 537 538/* Nonzero means message about use of implicit function declarations; 539 1 means warning; 2 means error. */ 540 541extern int mesg_implicit_function_declaration; 542 543/* Nonzero means allow type mismatches in conditional expressions; 544 just make their values `void'. */ 545 546extern int flag_cond_mismatch; 547 548/* Nonzero means enable C89 Amendment 1 features. */ 549 550extern int flag_isoc94; 551 552/* Nonzero means use the ISO C99 dialect of C. */ 553 554extern int flag_isoc99; 555 556/* Nonzero means allow the BSD kernel printf enhancments. */ 557 558extern int flag_bsd_format; 559
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533/* Nonzero means that we have builtin functions, and main is an int */
| 560/* Nonzero means that we have builtin functions, and main is an int. */
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534 535extern int flag_hosted; 536
| 561 562extern int flag_hosted; 563
|
537/* Nonzero means add default format_arg attributes for functions not 538 in ISO C. */ 539 540extern int flag_noniso_default_format_attributes; 541
| |
542/* Nonzero means warn when casting a function call to a type that does 543 not match the return type (e.g. (float)sqrt() or (anything*)malloc() 544 when there is no previous declaration of sqrt or malloc. */ 545 546extern int warn_bad_function_cast; 547 548/* Warn about traditional constructs whose meanings changed in ANSI C. */ 549 550extern int warn_traditional; 551
| 564/* Nonzero means warn when casting a function call to a type that does 565 not match the return type (e.g. (float)sqrt() or (anything*)malloc() 566 when there is no previous declaration of sqrt or malloc. */ 567 568extern int warn_bad_function_cast; 569 570/* Warn about traditional constructs whose meanings changed in ANSI C. */ 571 572extern int warn_traditional; 573
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| 574/* Nonzero means warn for a declaration found after a statement. */ 575 576extern int warn_declaration_after_statement; 577
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552/* Nonzero means warn for non-prototype function decls 553 or non-prototyped defs without previous prototype. */ 554 555extern int warn_strict_prototypes; 556 557/* Nonzero means warn for any global function def 558 without separate previous decl. */ 559 560extern int warn_missing_declarations; 561 562/* Nonzero means warn about extern declarations of objects not at 563 file-scope level and about *all* declarations of functions (whether 564 extern or static) not at file-scope level. Note that we exclude 565 implicit function declarations. To get warnings about those, use 566 -Wimplicit. */ 567 568extern int warn_nested_externs; 569 570/* Warn if main is suspicious. */ 571 572extern int warn_main; 573 574/* Nonzero means warn about possible violations of sequence point rules. */ 575 576extern int warn_sequence_point; 577
| 578/* Nonzero means warn for non-prototype function decls 579 or non-prototyped defs without previous prototype. */ 580 581extern int warn_strict_prototypes; 582 583/* Nonzero means warn for any global function def 584 without separate previous decl. */ 585 586extern int warn_missing_declarations; 587 588/* Nonzero means warn about extern declarations of objects not at 589 file-scope level and about *all* declarations of functions (whether 590 extern or static) not at file-scope level. Note that we exclude 591 implicit function declarations. To get warnings about those, use 592 -Wimplicit. */ 593 594extern int warn_nested_externs; 595 596/* Warn if main is suspicious. */ 597 598extern int warn_main; 599 600/* Nonzero means warn about possible violations of sequence point rules. */ 601 602extern int warn_sequence_point; 603
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| 604/* Nonzero means warn about uninitialized variable when it is initialized with itself. 605 For example: int i = i;, GCC will not warn about this when warn_init_self is nonzero. */ 606 607extern int warn_init_self; 608 609
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578/* Nonzero means to warn about compile-time division by zero. */ 579extern int warn_div_by_zero; 580 581/* Nonzero means warn about use of implicit int. */ 582 583extern int warn_implicit_int; 584 585/* Warn about NULL being passed to argument slots marked as requiring 586 non-NULL. */ 587 588extern int warn_nonnull; 589
| 610/* Nonzero means to warn about compile-time division by zero. */ 611extern int warn_div_by_zero; 612 613/* Nonzero means warn about use of implicit int. */ 614 615extern int warn_implicit_int; 616 617/* Warn about NULL being passed to argument slots marked as requiring 618 non-NULL. */ 619 620extern int warn_nonnull; 621
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| 622/* Warn about old-style parameter declaration. */
|
590
| 623
|
| 624extern int warn_old_style_definition; 625 626
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591/* ObjC language option variables. */ 592 593 594/* Open and close the file for outputting class declarations, if 595 requested (ObjC). */ 596 597extern int flag_gen_declaration; 598 599/* Generate code for GNU or NeXT runtime environment. */ 600 601extern int flag_next_runtime; 602 603/* Tells the compiler that this is a special run. Do not perform any 604 compiling, instead we are to test some platform dependent features 605 and output a C header file with appropriate definitions. */ 606 607extern int print_struct_values; 608 609/* ???. Undocumented. */ 610 611extern const char *constant_string_class_name; 612 613/* Warn if multiple methods are seen for the same selector, but with 614 different argument types. Performs the check on the whole selector 615 table at the end of compilation. */ 616 617extern int warn_selector; 618 619/* Warn if a @selector() is found, and no method with that selector 620 has been previously declared. The check is done on each 621 @selector() as soon as it is found - so it warns about forward 622 declarations. */ 623 624extern int warn_undeclared_selector; 625 626/* Warn if methods required by a protocol are not implemented in the 627 class adopting it. When turned off, methods inherited to that 628 class are also considered implemented. */ 629 630extern int warn_protocol; 631 632 633/* C++ language option variables. */ 634 635 636/* Nonzero means don't recognize any extension keywords. */ 637 638extern int flag_no_gnu_keywords; 639 640/* Nonzero means do emit exported implementations of functions even if 641 they can be inlined. */ 642 643extern int flag_implement_inlines; 644
| 627/* ObjC language option variables. */ 628 629 630/* Open and close the file for outputting class declarations, if 631 requested (ObjC). */ 632 633extern int flag_gen_declaration; 634 635/* Generate code for GNU or NeXT runtime environment. */ 636 637extern int flag_next_runtime; 638 639/* Tells the compiler that this is a special run. Do not perform any 640 compiling, instead we are to test some platform dependent features 641 and output a C header file with appropriate definitions. */ 642 643extern int print_struct_values; 644 645/* ???. Undocumented. */ 646 647extern const char *constant_string_class_name; 648 649/* Warn if multiple methods are seen for the same selector, but with 650 different argument types. Performs the check on the whole selector 651 table at the end of compilation. */ 652 653extern int warn_selector; 654 655/* Warn if a @selector() is found, and no method with that selector 656 has been previously declared. The check is done on each 657 @selector() as soon as it is found - so it warns about forward 658 declarations. */ 659 660extern int warn_undeclared_selector; 661 662/* Warn if methods required by a protocol are not implemented in the 663 class adopting it. When turned off, methods inherited to that 664 class are also considered implemented. */ 665 666extern int warn_protocol; 667 668 669/* C++ language option variables. */ 670 671 672/* Nonzero means don't recognize any extension keywords. */ 673 674extern int flag_no_gnu_keywords; 675 676/* Nonzero means do emit exported implementations of functions even if 677 they can be inlined. */ 678 679extern int flag_implement_inlines; 680
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645/* Nonzero means do emit exported implementations of templates, instead of 646 multiple static copies in each file that needs a definition. */ 647 648extern int flag_external_templates; 649 650/* Nonzero means that the decision to emit or not emit the implementation of a 651 template depends on where the template is instantiated, rather than where 652 it is defined. */ 653 654extern int flag_alt_external_templates; 655
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656/* Nonzero means that implicit instantiations will be emitted if needed. */ 657 658extern int flag_implicit_templates; 659 660/* Nonzero means that implicit instantiations of inline templates will be 661 emitted if needed, even if instantiations of non-inline templates 662 aren't. */ 663 664extern int flag_implicit_inline_templates; 665 666/* Nonzero means generate separate instantiation control files and 667 juggle them at link time. */ 668 669extern int flag_use_repository; 670 671/* Nonzero if we want to issue diagnostics that the standard says are not 672 required. */ 673 674extern int flag_optional_diags; 675 676/* Nonzero means we should attempt to elide constructors when possible. */ 677 678extern int flag_elide_constructors; 679 680/* Nonzero means that member functions defined in class scope are 681 inline by default. */ 682 683extern int flag_default_inline; 684 685/* Controls whether compiler generates 'type descriptor' that give 686 run-time type information. */ 687 688extern int flag_rtti; 689 690/* Nonzero if we want to conserve space in the .o files. We do this 691 by putting uninitialized data and runtime initialized data into 692 .common instead of .data at the expense of not flagging multiple 693 definitions. */ 694 695extern int flag_conserve_space; 696 697/* Nonzero if we want to obey access control semantics. */ 698 699extern int flag_access_control; 700 701/* Nonzero if we want to check the return value of new and avoid calling 702 constructors if it is a null pointer. */ 703 704extern int flag_check_new; 705 706/* Nonzero if we want the new ISO rules for pushing a new scope for `for' 707 initialization variables. 708 0: Old rules, set by -fno-for-scope. 709 2: New ISO rules, set by -ffor-scope. 710 1: Try to implement new ISO rules, but with backup compatibility 711 (and warnings). This is the default, for now. */ 712 713extern int flag_new_for_scope; 714 715/* Nonzero if we want to emit defined symbols with common-like linkage as 716 weak symbols where possible, in order to conform to C++ semantics. 717 Otherwise, emit them as local symbols. */ 718 719extern int flag_weak; 720
| 681/* Nonzero means that implicit instantiations will be emitted if needed. */ 682 683extern int flag_implicit_templates; 684 685/* Nonzero means that implicit instantiations of inline templates will be 686 emitted if needed, even if instantiations of non-inline templates 687 aren't. */ 688 689extern int flag_implicit_inline_templates; 690 691/* Nonzero means generate separate instantiation control files and 692 juggle them at link time. */ 693 694extern int flag_use_repository; 695 696/* Nonzero if we want to issue diagnostics that the standard says are not 697 required. */ 698 699extern int flag_optional_diags; 700 701/* Nonzero means we should attempt to elide constructors when possible. */ 702 703extern int flag_elide_constructors; 704 705/* Nonzero means that member functions defined in class scope are 706 inline by default. */ 707 708extern int flag_default_inline; 709 710/* Controls whether compiler generates 'type descriptor' that give 711 run-time type information. */ 712 713extern int flag_rtti; 714 715/* Nonzero if we want to conserve space in the .o files. We do this 716 by putting uninitialized data and runtime initialized data into 717 .common instead of .data at the expense of not flagging multiple 718 definitions. */ 719 720extern int flag_conserve_space; 721 722/* Nonzero if we want to obey access control semantics. */ 723 724extern int flag_access_control; 725 726/* Nonzero if we want to check the return value of new and avoid calling 727 constructors if it is a null pointer. */ 728 729extern int flag_check_new; 730 731/* Nonzero if we want the new ISO rules for pushing a new scope for `for' 732 initialization variables. 733 0: Old rules, set by -fno-for-scope. 734 2: New ISO rules, set by -ffor-scope. 735 1: Try to implement new ISO rules, but with backup compatibility 736 (and warnings). This is the default, for now. */ 737 738extern int flag_new_for_scope; 739 740/* Nonzero if we want to emit defined symbols with common-like linkage as 741 weak symbols where possible, in order to conform to C++ semantics. 742 Otherwise, emit them as local symbols. */ 743 744extern int flag_weak; 745
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| 746/* 0 means we want the preprocessor to not emit line directives for 747 the current working directory. 1 means we want it to do it. -1 748 means we should decide depending on whether debugging information 749 is being emitted or not. */ 750 751extern int flag_working_directory; 752
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721/* Nonzero to use __cxa_atexit, rather than atexit, to register 722 destructors for local statics and global objects. */ 723 724extern int flag_use_cxa_atexit; 725
| 753/* Nonzero to use __cxa_atexit, rather than atexit, to register 754 destructors for local statics and global objects. */ 755 756extern int flag_use_cxa_atexit; 757
|
726/* Nonzero means output .vtable_{entry,inherit} for use in doing vtable gc. */ 727 728extern int flag_vtable_gc; 729
| |
730/* Nonzero means make the default pedwarns warnings instead of errors. 731 The value of this flag is ignored if -pedantic is specified. */ 732 733extern int flag_permissive; 734 735/* Nonzero means to implement standard semantics for exception 736 specifications, calling unexpected if an exception is thrown that 737 doesn't match the specification. Zero means to treat them as 738 assertions and optimize accordingly, but not check them. */ 739 740extern int flag_enforce_eh_specs; 741
| 758/* Nonzero means make the default pedwarns warnings instead of errors. 759 The value of this flag is ignored if -pedantic is specified. */ 760 761extern int flag_permissive; 762 763/* Nonzero means to implement standard semantics for exception 764 specifications, calling unexpected if an exception is thrown that 765 doesn't match the specification. Zero means to treat them as 766 assertions and optimize accordingly, but not check them. */ 767 768extern int flag_enforce_eh_specs; 769
|
742/* The version of the C++ ABI in use. The following values are 743 allowed: 744 745 0: The version of the ABI believed most conformant with the 746 C++ ABI specification. This ABI may change as bugs are 747 discovered and fixed. Therefore, 0 will not necessarily 748 indicate the same ABI in different versions of G++. 749 750 1: The version of the ABI first used in G++ 3.2. 751 752 Additional positive integers will be assigned as new versions of 753 the ABI become the default version of the ABI. */ 754 755extern int flag_abi_version; 756
| |
757/* Nonzero means warn about things that will change when compiling 758 with an ABI-compliant compiler. */ 759 760extern int warn_abi; 761
| 770/* Nonzero means warn about things that will change when compiling 771 with an ABI-compliant compiler. */ 772 773extern int warn_abi; 774
|
| 775/* Nonzero means warn about invalid uses of offsetof. */ 776 777extern int warn_invalid_offsetof; 778
|
762/* Nonzero means warn about implicit declarations. */ 763 764extern int warn_implicit; 765 766/* Nonzero means warn when all ctors or dtors are private, and the class 767 has no friends. */ 768 769extern int warn_ctor_dtor_privacy; 770 771/* Nonzero means warn in function declared in derived class has the 772 same name as a virtual in the base class, but fails to match the 773 type signature of any virtual function in the base class. */ 774 775extern int warn_overloaded_virtual; 776 777/* Nonzero means warn when declaring a class that has a non virtual 778 destructor, when it really ought to have a virtual one. */ 779 780extern int warn_nonvdtor; 781 782/* Nonzero means warn when the compiler will reorder code. */ 783 784extern int warn_reorder; 785 786/* Nonzero means warn when synthesis behavior differs from Cfront's. */ 787 788extern int warn_synth; 789 790/* Nonzero means warn when we convert a pointer to member function 791 into a pointer to (void or function). */ 792 793extern int warn_pmf2ptr; 794 795/* Nonzero means warn about violation of some Effective C++ style rules. */ 796 797extern int warn_ecpp; 798 799/* Nonzero means warn where overload resolution chooses a promotion from 800 unsigned to signed over a conversion to an unsigned of the same size. */ 801 802extern int warn_sign_promo; 803 804/* Nonzero means warn when an old-style cast is used. */ 805 806extern int warn_old_style_cast; 807 808/* Nonzero means warn when non-templatized friend functions are 809 declared within a template */ 810 811extern int warn_nontemplate_friend; 812 813/* Nonzero means complain about deprecated features. */ 814 815extern int warn_deprecated; 816 817/* Maximum template instantiation depth. This limit is rather 818 arbitrary, but it exists to limit the time it takes to notice 819 infinite template instantiations. */ 820 821extern int max_tinst_depth; 822 823/* Nonzero means the expression being parsed will never be evaluated. 824 This is a count, since unevaluated expressions can nest. */ 825 826extern int skip_evaluation; 827 828/* C types are partitioned into three subsets: object, function, and 829 incomplete types. */ 830#define C_TYPE_OBJECT_P(type) \ 831 (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type)) 832 833#define C_TYPE_INCOMPLETE_P(type) \ 834 (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type) == 0) 835 836#define C_TYPE_FUNCTION_P(type) \ 837 (TREE_CODE (type) == FUNCTION_TYPE) 838 839/* For convenience we define a single macro to identify the class of 840 object or incomplete types. */ 841#define C_TYPE_OBJECT_OR_INCOMPLETE_P(type) \ 842 (!C_TYPE_FUNCTION_P (type)) 843 844/* Record in each node resulting from a binary operator 845 what operator was specified for it. */ 846#define C_EXP_ORIGINAL_CODE(exp) ((enum tree_code) TREE_COMPLEXITY (exp)) 847 848/* Attribute table common to the C front ends. */ 849extern const struct attribute_spec c_common_attribute_table[]; 850extern const struct attribute_spec c_common_format_attribute_table[]; 851 852/* Pointer to function to lazily generate the VAR_DECL for __FUNCTION__ etc. 853 ID is the identifier to use, NAME is the string. 854 TYPE_DEP indicates whether it depends on type of the function or not 855 (i.e. __PRETTY_FUNCTION__). */ 856
| 779/* Nonzero means warn about implicit declarations. */ 780 781extern int warn_implicit; 782 783/* Nonzero means warn when all ctors or dtors are private, and the class 784 has no friends. */ 785 786extern int warn_ctor_dtor_privacy; 787 788/* Nonzero means warn in function declared in derived class has the 789 same name as a virtual in the base class, but fails to match the 790 type signature of any virtual function in the base class. */ 791 792extern int warn_overloaded_virtual; 793 794/* Nonzero means warn when declaring a class that has a non virtual 795 destructor, when it really ought to have a virtual one. */ 796 797extern int warn_nonvdtor; 798 799/* Nonzero means warn when the compiler will reorder code. */ 800 801extern int warn_reorder; 802 803/* Nonzero means warn when synthesis behavior differs from Cfront's. */ 804 805extern int warn_synth; 806 807/* Nonzero means warn when we convert a pointer to member function 808 into a pointer to (void or function). */ 809 810extern int warn_pmf2ptr; 811 812/* Nonzero means warn about violation of some Effective C++ style rules. */ 813 814extern int warn_ecpp; 815 816/* Nonzero means warn where overload resolution chooses a promotion from 817 unsigned to signed over a conversion to an unsigned of the same size. */ 818 819extern int warn_sign_promo; 820 821/* Nonzero means warn when an old-style cast is used. */ 822 823extern int warn_old_style_cast; 824 825/* Nonzero means warn when non-templatized friend functions are 826 declared within a template */ 827 828extern int warn_nontemplate_friend; 829 830/* Nonzero means complain about deprecated features. */ 831 832extern int warn_deprecated; 833 834/* Maximum template instantiation depth. This limit is rather 835 arbitrary, but it exists to limit the time it takes to notice 836 infinite template instantiations. */ 837 838extern int max_tinst_depth; 839 840/* Nonzero means the expression being parsed will never be evaluated. 841 This is a count, since unevaluated expressions can nest. */ 842 843extern int skip_evaluation; 844 845/* C types are partitioned into three subsets: object, function, and 846 incomplete types. */ 847#define C_TYPE_OBJECT_P(type) \ 848 (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type)) 849 850#define C_TYPE_INCOMPLETE_P(type) \ 851 (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type) == 0) 852 853#define C_TYPE_FUNCTION_P(type) \ 854 (TREE_CODE (type) == FUNCTION_TYPE) 855 856/* For convenience we define a single macro to identify the class of 857 object or incomplete types. */ 858#define C_TYPE_OBJECT_OR_INCOMPLETE_P(type) \ 859 (!C_TYPE_FUNCTION_P (type)) 860 861/* Record in each node resulting from a binary operator 862 what operator was specified for it. */ 863#define C_EXP_ORIGINAL_CODE(exp) ((enum tree_code) TREE_COMPLEXITY (exp)) 864 865/* Attribute table common to the C front ends. */ 866extern const struct attribute_spec c_common_attribute_table[]; 867extern const struct attribute_spec c_common_format_attribute_table[]; 868 869/* Pointer to function to lazily generate the VAR_DECL for __FUNCTION__ etc. 870 ID is the identifier to use, NAME is the string. 871 TYPE_DEP indicates whether it depends on type of the function or not 872 (i.e. __PRETTY_FUNCTION__). */ 873
|
857extern tree (*make_fname_decl) PARAMS ((tree, int));
| 874extern tree (*make_fname_decl) (tree, int);
|
858
| 875
|
859extern tree identifier_global_value PARAMS ((tree)); 860extern void record_builtin_type PARAMS ((enum rid, 861 const char *, tree)); 862extern tree build_void_list_node PARAMS ((void)); 863extern void start_fname_decls PARAMS ((void)); 864extern void finish_fname_decls PARAMS ((void)); 865extern const char *fname_as_string PARAMS ((int)); 866extern tree fname_decl PARAMS ((unsigned, tree)); 867extern const char *fname_string PARAMS ((unsigned));
| 876extern tree identifier_global_value (tree); 877extern void record_builtin_type (enum rid, const char *, tree); 878extern tree build_void_list_node (void); 879extern void start_fname_decls (void); 880extern void finish_fname_decls (void); 881extern const char *fname_as_string (int); 882extern tree fname_decl (unsigned, tree);
|
868
| 883
|
869extern void check_function_arguments PARAMS ((tree, tree)); 870extern void check_function_arguments_recurse PARAMS ((void (*) (void *, 871 tree, 872 unsigned HOST_WIDE_INT), 873 void *, tree, 874 unsigned HOST_WIDE_INT)); 875extern void check_function_format PARAMS ((int *, tree, tree)); 876extern void set_Wformat PARAMS ((int)); 877extern tree handle_format_attribute PARAMS ((tree *, tree, tree, 878 int, bool *)); 879extern tree handle_format_arg_attribute PARAMS ((tree *, tree, tree, 880 int, bool *)); 881extern void c_common_insert_default_attributes PARAMS ((tree)); 882extern int c_common_decode_option PARAMS ((int, char **)); 883extern tree c_common_type_for_mode PARAMS ((enum machine_mode, 884 int)); 885extern tree c_common_type_for_size PARAMS ((unsigned int, int)); 886extern tree c_common_unsigned_type PARAMS ((tree)); 887extern tree c_common_signed_type PARAMS ((tree)); 888extern tree c_common_signed_or_unsigned_type PARAMS ((int, tree)); 889extern tree c_common_truthvalue_conversion PARAMS ((tree)); 890extern void c_apply_type_quals_to_decl PARAMS ((int, tree)); 891extern tree c_sizeof_or_alignof_type PARAMS ((tree, enum tree_code, int)); 892extern tree c_alignof_expr PARAMS ((tree));
| 884extern void check_function_arguments (tree, tree); 885extern void check_function_arguments_recurse (void (*) 886 (void *, tree, 887 unsigned HOST_WIDE_INT), 888 void *, tree, 889 unsigned HOST_WIDE_INT); 890extern void check_function_format (int *, tree, tree); 891extern void set_Wformat (int); 892extern tree handle_format_attribute (tree *, tree, tree, int, bool *); 893extern tree handle_format_arg_attribute (tree *, tree, tree, int, bool *); 894extern int c_common_handle_option (size_t code, const char *arg, int value); 895extern bool c_common_missing_argument (const char *opt, size_t code); 896extern tree c_common_type_for_mode (enum machine_mode, int); 897extern tree c_common_type_for_size (unsigned int, int); 898extern tree c_common_unsigned_type (tree); 899extern tree c_common_signed_type (tree); 900extern tree c_common_signed_or_unsigned_type (int, tree); 901extern tree c_common_truthvalue_conversion (tree); 902extern void c_apply_type_quals_to_decl (int, tree); 903extern tree c_sizeof_or_alignof_type (tree, enum tree_code, int); 904extern tree c_alignof_expr (tree);
|
893/* Print an error message for invalid operands to arith operation CODE. 894 NOP_EXPR is used as a special case (see truthvalue_conversion). */
| 905/* Print an error message for invalid operands to arith operation CODE. 906 NOP_EXPR is used as a special case (see truthvalue_conversion). */
|
895extern void binary_op_error PARAMS ((enum tree_code));
| 907extern void binary_op_error (enum tree_code);
|
896#define my_friendly_assert(EXP, N) (void) \ 897 (((EXP) == 0) ? (fancy_abort (__FILE__, __LINE__, __FUNCTION__), 0) : 0) 898
| 908#define my_friendly_assert(EXP, N) (void) \ 909 (((EXP) == 0) ? (fancy_abort (__FILE__, __LINE__, __FUNCTION__), 0) : 0) 910
|
899extern tree c_expand_expr_stmt PARAMS ((tree)); 900extern void c_expand_start_cond PARAMS ((tree, int, tree)); 901extern void c_finish_then PARAMS ((void)); 902extern void c_expand_start_else PARAMS ((void)); 903extern void c_finish_else PARAMS ((void)); 904extern void c_expand_end_cond PARAMS ((void));
| 911extern tree c_expand_expr_stmt (tree); 912extern void c_expand_start_cond (tree, int, tree); 913extern void c_finish_then (void); 914extern void c_expand_start_else (void); 915extern void c_finish_else (void); 916extern void c_expand_end_cond (void);
|
905/* Validate the expression after `case' and apply default promotions. */
| 917/* Validate the expression after `case' and apply default promotions. */
|
906extern tree check_case_value PARAMS ((tree)); 907extern tree fix_string_type PARAMS ((tree));
| 918extern tree check_case_value (tree); 919extern tree fix_string_type (tree);
|
908struct varray_head_tag;
| 920struct varray_head_tag;
|
909extern tree combine_strings PARAMS ((struct varray_head_tag *)); 910extern void constant_expression_warning PARAMS ((tree)); 911extern tree convert_and_check PARAMS ((tree, tree)); 912extern void overflow_warning PARAMS ((tree)); 913extern void unsigned_conversion_warning PARAMS ((tree, tree));
| 921extern void constant_expression_warning (tree); 922extern tree convert_and_check (tree, tree); 923extern void overflow_warning (tree); 924extern void unsigned_conversion_warning (tree, tree);
|
914 915/* Read the rest of the current #-directive line. */
| 925 926/* Read the rest of the current #-directive line. */
|
916extern char *get_directive_line PARAMS ((void));
| 927extern char *get_directive_line (void);
|
917#define GET_DIRECTIVE_LINE() get_directive_line () 918#define c_sizeof(T) c_sizeof_or_alignof_type (T, SIZEOF_EXPR, 1) 919#define c_alignof(T) c_sizeof_or_alignof_type (T, ALIGNOF_EXPR, 1) 920 921/* Subroutine of build_binary_op, used for comparison operations. 922 See if the operands have both been converted from subword integer types 923 and, if so, perhaps change them both back to their original type. */
| 928#define GET_DIRECTIVE_LINE() get_directive_line () 929#define c_sizeof(T) c_sizeof_or_alignof_type (T, SIZEOF_EXPR, 1) 930#define c_alignof(T) c_sizeof_or_alignof_type (T, ALIGNOF_EXPR, 1) 931 932/* Subroutine of build_binary_op, used for comparison operations. 933 See if the operands have both been converted from subword integer types 934 and, if so, perhaps change them both back to their original type. */
|
924extern tree shorten_compare PARAMS ((tree *, tree *, tree *, enum tree_code *));
| 935extern tree shorten_compare (tree *, tree *, tree *, enum tree_code *);
|
925
| 936
|
926extern tree pointer_int_sum PARAMS ((enum tree_code, tree, tree)); 927extern unsigned int min_precision PARAMS ((tree, int));
| 937extern tree pointer_int_sum (enum tree_code, tree, tree); 938extern unsigned int min_precision (tree, int);
|
928 929/* Add qualifiers to a type, in the fashion for C. */
| 939 940/* Add qualifiers to a type, in the fashion for C. */
|
930extern tree c_build_qualified_type PARAMS ((tree, int));
| 941extern tree c_build_qualified_type (tree, int);
|
931 932/* Build tree nodes and builtin functions common to both C and C++ language 933 frontends. */
| 942 943/* Build tree nodes and builtin functions common to both C and C++ language 944 frontends. */
|
934extern void c_common_nodes_and_builtins PARAMS ((void));
| 945extern void c_common_nodes_and_builtins (void);
|
935
| 946
|
936extern void disable_builtin_function PARAMS ((const char *));
| 947extern void disable_builtin_function (const char *);
|
937
| 948
|
938extern tree build_va_arg PARAMS ((tree, tree));
| 949extern tree build_va_arg (tree, tree);
|
939
| 950
|
940extern void c_common_init_options PARAMS ((enum c_language_kind)); 941extern bool c_common_post_options PARAMS ((void)); 942extern const char *c_common_init PARAMS ((const char *)); 943extern void c_common_finish PARAMS ((void)); 944extern void c_common_parse_file PARAMS ((int)); 945extern HOST_WIDE_INT c_common_get_alias_set PARAMS ((tree)); 946extern bool c_promoting_integer_type_p PARAMS ((tree)); 947extern int self_promoting_args_p PARAMS ((tree)); 948extern tree strip_array_types PARAMS ((tree));
| 951extern unsigned int c_common_init_options (unsigned int, const char **); 952extern bool c_common_post_options (const char **); 953extern bool c_common_init (void); 954extern void c_common_finish (void); 955extern void c_common_parse_file (int); 956extern HOST_WIDE_INT c_common_get_alias_set (tree); 957extern void c_register_builtin_type (tree, const char*); 958extern bool c_promoting_integer_type_p (tree); 959extern int self_promoting_args_p (tree); 960extern tree strip_array_types (tree); 961extern tree strip_pointer_operator (tree);
|
949
| 962
|
| 963/* This function resets the parsers' state in preparation for parsing 964 a new file. */ 965extern void c_reset_state (void); 966/* This is the basic parsing function. */ 967extern void c_parse_file (void); 968/* This is misnamed, it actually performs end-of-compilation processing. */ 969extern void finish_file (void); 970
|
950/* These macros provide convenient access to the various _STMT nodes. */ 951 952/* Nonzero if this statement should be considered a full-expression, 953 i.e., if temporaries created during this statement should have 954 their destructors run at the end of this statement. (In C, this 955 will always be false, since there are no destructors.) */ 956#define STMT_IS_FULL_EXPR_P(NODE) TREE_LANG_FLAG_1 ((NODE)) 957 958/* IF_STMT accessors. These give access to the condition of the if 959 statement, the then block of the if statement, and the else block 960 of the if statement if it exists. */ 961#define IF_COND(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 0) 962#define THEN_CLAUSE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 1) 963#define ELSE_CLAUSE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 2) 964 965/* WHILE_STMT accessors. These give access to the condition of the 966 while statement and the body of the while statement, respectively. */ 967#define WHILE_COND(NODE) TREE_OPERAND (WHILE_STMT_CHECK (NODE), 0) 968#define WHILE_BODY(NODE) TREE_OPERAND (WHILE_STMT_CHECK (NODE), 1) 969 970/* DO_STMT accessors. These give access to the condition of the do 971 statement and the body of the do statement, respectively. */ 972#define DO_COND(NODE) TREE_OPERAND (DO_STMT_CHECK (NODE), 0) 973#define DO_BODY(NODE) TREE_OPERAND (DO_STMT_CHECK (NODE), 1) 974 975/* RETURN_STMT accessors. These give the expression associated with a 976 return statement, and whether it should be ignored when expanding 977 (as opposed to inlining). */ 978#define RETURN_STMT_EXPR(NODE) TREE_OPERAND (RETURN_STMT_CHECK (NODE), 0) 979 980/* EXPR_STMT accessor. This gives the expression associated with an 981 expression statement. */ 982#define EXPR_STMT_EXPR(NODE) TREE_OPERAND (EXPR_STMT_CHECK (NODE), 0) 983 984/* FOR_STMT accessors. These give access to the init statement, 985 condition, update expression, and body of the for statement, 986 respectively. */ 987#define FOR_INIT_STMT(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 0) 988#define FOR_COND(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 1) 989#define FOR_EXPR(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 2) 990#define FOR_BODY(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 3) 991 992/* SWITCH_STMT accessors. These give access to the condition, body and 993 original condition type (before any compiler conversions) 994 of the switch statement, respectively. */ 995#define SWITCH_COND(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 0) 996#define SWITCH_BODY(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 1) 997#define SWITCH_TYPE(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 2) 998 999/* CASE_LABEL accessors. These give access to the high and low values 1000 of a case label, respectively. */ 1001#define CASE_LOW(NODE) TREE_OPERAND (CASE_LABEL_CHECK (NODE), 0) 1002#define CASE_HIGH(NODE) TREE_OPERAND (CASE_LABEL_CHECK (NODE), 1) 1003#define CASE_LABEL_DECL(NODE) TREE_OPERAND (CASE_LABEL_CHECK (NODE), 2) 1004 1005/* GOTO_STMT accessor. This gives access to the label associated with 1006 a goto statement. */ 1007#define GOTO_DESTINATION(NODE) TREE_OPERAND (GOTO_STMT_CHECK (NODE), 0)
| 971/* These macros provide convenient access to the various _STMT nodes. */ 972 973/* Nonzero if this statement should be considered a full-expression, 974 i.e., if temporaries created during this statement should have 975 their destructors run at the end of this statement. (In C, this 976 will always be false, since there are no destructors.) */ 977#define STMT_IS_FULL_EXPR_P(NODE) TREE_LANG_FLAG_1 ((NODE)) 978 979/* IF_STMT accessors. These give access to the condition of the if 980 statement, the then block of the if statement, and the else block 981 of the if statement if it exists. */ 982#define IF_COND(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 0) 983#define THEN_CLAUSE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 1) 984#define ELSE_CLAUSE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 2) 985 986/* WHILE_STMT accessors. These give access to the condition of the 987 while statement and the body of the while statement, respectively. */ 988#define WHILE_COND(NODE) TREE_OPERAND (WHILE_STMT_CHECK (NODE), 0) 989#define WHILE_BODY(NODE) TREE_OPERAND (WHILE_STMT_CHECK (NODE), 1) 990 991/* DO_STMT accessors. These give access to the condition of the do 992 statement and the body of the do statement, respectively. */ 993#define DO_COND(NODE) TREE_OPERAND (DO_STMT_CHECK (NODE), 0) 994#define DO_BODY(NODE) TREE_OPERAND (DO_STMT_CHECK (NODE), 1) 995 996/* RETURN_STMT accessors. These give the expression associated with a 997 return statement, and whether it should be ignored when expanding 998 (as opposed to inlining). */ 999#define RETURN_STMT_EXPR(NODE) TREE_OPERAND (RETURN_STMT_CHECK (NODE), 0) 1000 1001/* EXPR_STMT accessor. This gives the expression associated with an 1002 expression statement. */ 1003#define EXPR_STMT_EXPR(NODE) TREE_OPERAND (EXPR_STMT_CHECK (NODE), 0) 1004 1005/* FOR_STMT accessors. These give access to the init statement, 1006 condition, update expression, and body of the for statement, 1007 respectively. */ 1008#define FOR_INIT_STMT(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 0) 1009#define FOR_COND(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 1) 1010#define FOR_EXPR(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 2) 1011#define FOR_BODY(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 3) 1012 1013/* SWITCH_STMT accessors. These give access to the condition, body and 1014 original condition type (before any compiler conversions) 1015 of the switch statement, respectively. */ 1016#define SWITCH_COND(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 0) 1017#define SWITCH_BODY(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 1) 1018#define SWITCH_TYPE(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 2) 1019 1020/* CASE_LABEL accessors. These give access to the high and low values 1021 of a case label, respectively. */ 1022#define CASE_LOW(NODE) TREE_OPERAND (CASE_LABEL_CHECK (NODE), 0) 1023#define CASE_HIGH(NODE) TREE_OPERAND (CASE_LABEL_CHECK (NODE), 1) 1024#define CASE_LABEL_DECL(NODE) TREE_OPERAND (CASE_LABEL_CHECK (NODE), 2) 1025 1026/* GOTO_STMT accessor. This gives access to the label associated with 1027 a goto statement. */ 1028#define GOTO_DESTINATION(NODE) TREE_OPERAND (GOTO_STMT_CHECK (NODE), 0)
|
1008/* True for goto created artifically by the compiler. */
| 1029/* True for goto created artificially by the compiler. */
|
1009#define GOTO_FAKE_P(NODE) (TREE_LANG_FLAG_0 (GOTO_STMT_CHECK (NODE))) 1010 1011/* COMPOUND_STMT accessor. This gives access to the TREE_LIST of 1012 statements associated with a compound statement. The result is the 1013 first statement in the list. Succeeding nodes can be accessed by 1014 calling TREE_CHAIN on a node in the list. */ 1015#define COMPOUND_BODY(NODE) TREE_OPERAND (COMPOUND_STMT_CHECK (NODE), 0) 1016 1017/* ASM_STMT accessors. ASM_STRING returns a STRING_CST for the 1018 instruction (e.g., "mov x, y"). ASM_OUTPUTS, ASM_INPUTS, and 1019 ASM_CLOBBERS represent the outputs, inputs, and clobbers for the 1020 statement. */ 1021#define ASM_CV_QUAL(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 0) 1022#define ASM_STRING(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 1) 1023#define ASM_OUTPUTS(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 2) 1024#define ASM_INPUTS(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 3) 1025#define ASM_CLOBBERS(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 4) 1026 1027/* DECL_STMT accessor. This gives access to the DECL associated with 1028 the given declaration statement. */ 1029#define DECL_STMT_DECL(NODE) TREE_OPERAND (DECL_STMT_CHECK (NODE), 0) 1030 1031/* STMT_EXPR accessor. */ 1032#define STMT_EXPR_STMT(NODE) TREE_OPERAND (STMT_EXPR_CHECK (NODE), 0) 1033 1034/* Nonzero if this statement-expression does not have an associated scope. */ 1035#define STMT_EXPR_NO_SCOPE(NODE) \ 1036 TREE_LANG_FLAG_0 (STMT_EXPR_CHECK (NODE)) 1037
| 1030#define GOTO_FAKE_P(NODE) (TREE_LANG_FLAG_0 (GOTO_STMT_CHECK (NODE))) 1031 1032/* COMPOUND_STMT accessor. This gives access to the TREE_LIST of 1033 statements associated with a compound statement. The result is the 1034 first statement in the list. Succeeding nodes can be accessed by 1035 calling TREE_CHAIN on a node in the list. */ 1036#define COMPOUND_BODY(NODE) TREE_OPERAND (COMPOUND_STMT_CHECK (NODE), 0) 1037 1038/* ASM_STMT accessors. ASM_STRING returns a STRING_CST for the 1039 instruction (e.g., "mov x, y"). ASM_OUTPUTS, ASM_INPUTS, and 1040 ASM_CLOBBERS represent the outputs, inputs, and clobbers for the 1041 statement. */ 1042#define ASM_CV_QUAL(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 0) 1043#define ASM_STRING(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 1) 1044#define ASM_OUTPUTS(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 2) 1045#define ASM_INPUTS(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 3) 1046#define ASM_CLOBBERS(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 4) 1047 1048/* DECL_STMT accessor. This gives access to the DECL associated with 1049 the given declaration statement. */ 1050#define DECL_STMT_DECL(NODE) TREE_OPERAND (DECL_STMT_CHECK (NODE), 0) 1051 1052/* STMT_EXPR accessor. */ 1053#define STMT_EXPR_STMT(NODE) TREE_OPERAND (STMT_EXPR_CHECK (NODE), 0) 1054 1055/* Nonzero if this statement-expression does not have an associated scope. */ 1056#define STMT_EXPR_NO_SCOPE(NODE) \ 1057 TREE_LANG_FLAG_0 (STMT_EXPR_CHECK (NODE)) 1058
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| 1059/* Nonzero if this statement-expression should cause warning if its result 1060 is not used. */ 1061#define STMT_EXPR_WARN_UNUSED_RESULT(NODE) \ 1062 TREE_LANG_FLAG_3 (STMT_EXPR_CHECK (NODE)) 1063
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1038/* LABEL_STMT accessor. This gives access to the label associated with 1039 the given label statement. */ 1040#define LABEL_STMT_LABEL(NODE) TREE_OPERAND (LABEL_STMT_CHECK (NODE), 0) 1041 1042/* COMPOUND_LITERAL_EXPR accessors. */ 1043#define COMPOUND_LITERAL_EXPR_DECL_STMT(NODE) \ 1044 TREE_OPERAND (COMPOUND_LITERAL_EXPR_CHECK (NODE), 0) 1045#define COMPOUND_LITERAL_EXPR_DECL(NODE) \ 1046 DECL_STMT_DECL (COMPOUND_LITERAL_EXPR_DECL_STMT (NODE)) 1047 1048/* Nonzero if this SCOPE_STMT is for the beginning of a scope. */ 1049#define SCOPE_BEGIN_P(NODE) \ 1050 (TREE_LANG_FLAG_0 (SCOPE_STMT_CHECK (NODE))) 1051 1052/* Nonzero if this SCOPE_STMT is for the end of a scope. */ 1053#define SCOPE_END_P(NODE) \ 1054 (!SCOPE_BEGIN_P (SCOPE_STMT_CHECK (NODE))) 1055 1056/* The BLOCK containing the declarations contained in this scope. */ 1057#define SCOPE_STMT_BLOCK(NODE) \ 1058 (TREE_OPERAND (SCOPE_STMT_CHECK (NODE), 0)) 1059 1060/* Nonzero for a SCOPE_STMT if there were no variables in this scope. */ 1061#define SCOPE_NULLIFIED_P(NODE) \ 1062 (SCOPE_STMT_BLOCK ((NODE)) == NULL_TREE) 1063 1064/* Nonzero for a SCOPE_STMT which represents a lexical scope, but 1065 which should be treated as non-existent from the point of view of 1066 running cleanup actions. */ 1067#define SCOPE_NO_CLEANUPS_P(NODE) \ 1068 (TREE_LANG_FLAG_3 (SCOPE_STMT_CHECK (NODE))) 1069 1070/* Nonzero for a SCOPE_STMT if this statement is for a partial scope. 1071 For example, in: 1072 1073 S s; 1074 l: 1075 S s2; 1076 goto l; 1077 1078 there is (implicitly) a new scope after `l', even though there are 1079 no curly braces. In particular, when we hit the goto, we must 1080 destroy s2 and then re-construct it. For the implicit scope, 1081 SCOPE_PARTIAL_P will be set. */ 1082#define SCOPE_PARTIAL_P(NODE) \ 1083 (TREE_LANG_FLAG_4 (SCOPE_STMT_CHECK (NODE))) 1084 1085/* Nonzero for an ASM_STMT if the assembly statement is volatile. */ 1086#define ASM_VOLATILE_P(NODE) \ 1087 (ASM_CV_QUAL (ASM_STMT_CHECK (NODE)) != NULL_TREE) 1088 1089/* The VAR_DECL to clean up in a CLEANUP_STMT. */ 1090#define CLEANUP_DECL(NODE) \ 1091 TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 0) 1092/* The cleanup to run in a CLEANUP_STMT. */ 1093#define CLEANUP_EXPR(NODE) \ 1094 TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 1) 1095 1096/* The filename we are changing to as of this FILE_STMT. */ 1097#define FILE_STMT_FILENAME_NODE(NODE) \ 1098 (TREE_OPERAND (FILE_STMT_CHECK (NODE), 0)) 1099#define FILE_STMT_FILENAME(NODE) \ 1100 (IDENTIFIER_POINTER (FILE_STMT_FILENAME_NODE (NODE))) 1101 1102/* The line-number at which a statement began. But if 1103 STMT_LINENO_FOR_FN_P does holds, then this macro gives the 1104 line number for the end of the current function instead. */ 1105#define STMT_LINENO(NODE) \ 1106 (TREE_COMPLEXITY ((NODE))) 1107 1108/* If nonzero, the STMT_LINENO for NODE is the line at which the 1109 function ended. */ 1110#define STMT_LINENO_FOR_FN_P(NODE) \ 1111 (TREE_LANG_FLAG_2 ((NODE))) 1112 1113/* Nonzero if we want the new ISO rules for pushing a new scope for `for' 1114 initialization variables. */ 1115#define NEW_FOR_SCOPE_P(NODE) (TREE_LANG_FLAG_0 (NODE)) 1116 1117/* Nonzero if we want to create an ASM_INPUT instead of an 1118 ASM_OPERAND with no operands. */ 1119#define ASM_INPUT_P(NODE) (TREE_LANG_FLAG_0 (NODE)) 1120 1121#define DEFTREECODE(SYM, NAME, TYPE, LENGTH) SYM, 1122 1123enum c_tree_code { 1124 C_DUMMY_TREE_CODE = LAST_AND_UNUSED_TREE_CODE, 1125#include "c-common.def" 1126 LAST_C_TREE_CODE 1127}; 1128 1129#undef DEFTREECODE 1130
| 1064/* LABEL_STMT accessor. This gives access to the label associated with 1065 the given label statement. */ 1066#define LABEL_STMT_LABEL(NODE) TREE_OPERAND (LABEL_STMT_CHECK (NODE), 0) 1067 1068/* COMPOUND_LITERAL_EXPR accessors. */ 1069#define COMPOUND_LITERAL_EXPR_DECL_STMT(NODE) \ 1070 TREE_OPERAND (COMPOUND_LITERAL_EXPR_CHECK (NODE), 0) 1071#define COMPOUND_LITERAL_EXPR_DECL(NODE) \ 1072 DECL_STMT_DECL (COMPOUND_LITERAL_EXPR_DECL_STMT (NODE)) 1073 1074/* Nonzero if this SCOPE_STMT is for the beginning of a scope. */ 1075#define SCOPE_BEGIN_P(NODE) \ 1076 (TREE_LANG_FLAG_0 (SCOPE_STMT_CHECK (NODE))) 1077 1078/* Nonzero if this SCOPE_STMT is for the end of a scope. */ 1079#define SCOPE_END_P(NODE) \ 1080 (!SCOPE_BEGIN_P (SCOPE_STMT_CHECK (NODE))) 1081 1082/* The BLOCK containing the declarations contained in this scope. */ 1083#define SCOPE_STMT_BLOCK(NODE) \ 1084 (TREE_OPERAND (SCOPE_STMT_CHECK (NODE), 0)) 1085 1086/* Nonzero for a SCOPE_STMT if there were no variables in this scope. */ 1087#define SCOPE_NULLIFIED_P(NODE) \ 1088 (SCOPE_STMT_BLOCK ((NODE)) == NULL_TREE) 1089 1090/* Nonzero for a SCOPE_STMT which represents a lexical scope, but 1091 which should be treated as non-existent from the point of view of 1092 running cleanup actions. */ 1093#define SCOPE_NO_CLEANUPS_P(NODE) \ 1094 (TREE_LANG_FLAG_3 (SCOPE_STMT_CHECK (NODE))) 1095 1096/* Nonzero for a SCOPE_STMT if this statement is for a partial scope. 1097 For example, in: 1098 1099 S s; 1100 l: 1101 S s2; 1102 goto l; 1103 1104 there is (implicitly) a new scope after `l', even though there are 1105 no curly braces. In particular, when we hit the goto, we must 1106 destroy s2 and then re-construct it. For the implicit scope, 1107 SCOPE_PARTIAL_P will be set. */ 1108#define SCOPE_PARTIAL_P(NODE) \ 1109 (TREE_LANG_FLAG_4 (SCOPE_STMT_CHECK (NODE))) 1110 1111/* Nonzero for an ASM_STMT if the assembly statement is volatile. */ 1112#define ASM_VOLATILE_P(NODE) \ 1113 (ASM_CV_QUAL (ASM_STMT_CHECK (NODE)) != NULL_TREE) 1114 1115/* The VAR_DECL to clean up in a CLEANUP_STMT. */ 1116#define CLEANUP_DECL(NODE) \ 1117 TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 0) 1118/* The cleanup to run in a CLEANUP_STMT. */ 1119#define CLEANUP_EXPR(NODE) \ 1120 TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 1) 1121 1122/* The filename we are changing to as of this FILE_STMT. */ 1123#define FILE_STMT_FILENAME_NODE(NODE) \ 1124 (TREE_OPERAND (FILE_STMT_CHECK (NODE), 0)) 1125#define FILE_STMT_FILENAME(NODE) \ 1126 (IDENTIFIER_POINTER (FILE_STMT_FILENAME_NODE (NODE))) 1127 1128/* The line-number at which a statement began. But if 1129 STMT_LINENO_FOR_FN_P does holds, then this macro gives the 1130 line number for the end of the current function instead. */ 1131#define STMT_LINENO(NODE) \ 1132 (TREE_COMPLEXITY ((NODE))) 1133 1134/* If nonzero, the STMT_LINENO for NODE is the line at which the 1135 function ended. */ 1136#define STMT_LINENO_FOR_FN_P(NODE) \ 1137 (TREE_LANG_FLAG_2 ((NODE))) 1138 1139/* Nonzero if we want the new ISO rules for pushing a new scope for `for' 1140 initialization variables. */ 1141#define NEW_FOR_SCOPE_P(NODE) (TREE_LANG_FLAG_0 (NODE)) 1142 1143/* Nonzero if we want to create an ASM_INPUT instead of an 1144 ASM_OPERAND with no operands. */ 1145#define ASM_INPUT_P(NODE) (TREE_LANG_FLAG_0 (NODE)) 1146 1147#define DEFTREECODE(SYM, NAME, TYPE, LENGTH) SYM, 1148 1149enum c_tree_code { 1150 C_DUMMY_TREE_CODE = LAST_AND_UNUSED_TREE_CODE, 1151#include "c-common.def" 1152 LAST_C_TREE_CODE 1153}; 1154 1155#undef DEFTREECODE 1156
|
1131extern void genrtl_do_pushlevel PARAMS ((void)); 1132extern void genrtl_goto_stmt PARAMS ((tree)); 1133extern void genrtl_expr_stmt PARAMS ((tree)); 1134extern void genrtl_expr_stmt_value PARAMS ((tree, int, int)); 1135extern void genrtl_decl_stmt PARAMS ((tree)); 1136extern void genrtl_if_stmt PARAMS ((tree)); 1137extern void genrtl_while_stmt PARAMS ((tree)); 1138extern void genrtl_do_stmt PARAMS ((tree)); 1139extern void genrtl_return_stmt PARAMS ((tree)); 1140extern void genrtl_for_stmt PARAMS ((tree)); 1141extern void genrtl_break_stmt PARAMS ((void)); 1142extern void genrtl_continue_stmt PARAMS ((void)); 1143extern void genrtl_scope_stmt PARAMS ((tree)); 1144extern void genrtl_switch_stmt PARAMS ((tree)); 1145extern void genrtl_case_label PARAMS ((tree)); 1146extern void genrtl_compound_stmt PARAMS ((tree)); 1147extern void genrtl_asm_stmt PARAMS ((tree, tree, 1148 tree, tree, 1149 tree, int)); 1150extern void genrtl_decl_cleanup PARAMS ((tree)); 1151extern int stmts_are_full_exprs_p PARAMS ((void)); 1152extern int anon_aggr_type_p PARAMS ((tree));
| 1157#define c_common_stmt_codes \ 1158 CLEANUP_STMT, EXPR_STMT, COMPOUND_STMT, \ 1159 DECL_STMT, IF_STMT, FOR_STMT, \ 1160 WHILE_STMT, DO_STMT, RETURN_STMT, \ 1161 BREAK_STMT, CONTINUE_STMT, SCOPE_STMT, \ 1162 SWITCH_STMT, GOTO_STMT, LABEL_STMT, \ 1163 ASM_STMT, FILE_STMT, CASE_LABEL
|
1153
| 1164
|
| 1165/* TRUE if a code represents a statement. The front end init 1166 langhook should take care of initialization of this array. */ 1167extern bool statement_code_p[MAX_TREE_CODES]; 1168 1169#define STATEMENT_CODE_P(CODE) statement_code_p[(int) (CODE)] 1170 1171#define INIT_STATEMENT_CODES(STMT_CODES) \ 1172 do { \ 1173 unsigned int i; \ 1174 memset (&statement_code_p, 0, sizeof (statement_code_p)); \ 1175 for (i = 0; i < ARRAY_SIZE (STMT_CODES); i++) \ 1176 statement_code_p[STMT_CODES[i]] = true; \ 1177 } while (0) 1178 1179extern void genrtl_do_pushlevel (void); 1180extern void genrtl_goto_stmt (tree); 1181extern void genrtl_expr_stmt (tree); 1182extern void genrtl_expr_stmt_value (tree, int, int); 1183extern void genrtl_decl_stmt (tree); 1184extern void genrtl_if_stmt (tree); 1185extern void genrtl_while_stmt (tree); 1186extern void genrtl_do_stmt (tree); 1187extern void genrtl_return_stmt (tree); 1188extern void genrtl_for_stmt (tree); 1189extern void genrtl_break_stmt (void); 1190extern void genrtl_continue_stmt (void); 1191extern void genrtl_scope_stmt (tree); 1192extern void genrtl_switch_stmt (tree); 1193extern void genrtl_case_label (tree); 1194extern void genrtl_compound_stmt (tree); 1195extern void genrtl_asm_stmt (tree, tree, tree, tree, tree, int); 1196extern void genrtl_cleanup_stmt (tree); 1197extern int stmts_are_full_exprs_p (void); 1198extern int anon_aggr_type_p (tree); 1199
|
1154/* For a VAR_DECL that is an anonymous union, these are the various 1155 sub-variables that make up the anonymous union. */ 1156#define DECL_ANON_UNION_ELEMS(NODE) DECL_ARGUMENTS ((NODE)) 1157 1158/* In a FIELD_DECL, nonzero if the decl was originally a bitfield. */ 1159#define DECL_C_BIT_FIELD(NODE) \ 1160 (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) == 1) 1161#define SET_DECL_C_BIT_FIELD(NODE) \ 1162 (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 1) 1163#define CLEAR_DECL_C_BIT_FIELD(NODE) \ 1164 (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 0) 1165 1166/* In a VAR_DECL, nonzero if the decl is a register variable with 1167 an explicit asm specification. */ 1168#define DECL_C_HARD_REGISTER(DECL) DECL_LANG_FLAG_4 (VAR_DECL_CHECK (DECL)) 1169
| 1200/* For a VAR_DECL that is an anonymous union, these are the various 1201 sub-variables that make up the anonymous union. */ 1202#define DECL_ANON_UNION_ELEMS(NODE) DECL_ARGUMENTS ((NODE)) 1203 1204/* In a FIELD_DECL, nonzero if the decl was originally a bitfield. */ 1205#define DECL_C_BIT_FIELD(NODE) \ 1206 (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) == 1) 1207#define SET_DECL_C_BIT_FIELD(NODE) \ 1208 (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 1) 1209#define CLEAR_DECL_C_BIT_FIELD(NODE) \ 1210 (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 0) 1211 1212/* In a VAR_DECL, nonzero if the decl is a register variable with 1213 an explicit asm specification. */ 1214#define DECL_C_HARD_REGISTER(DECL) DECL_LANG_FLAG_4 (VAR_DECL_CHECK (DECL)) 1215
|
1170extern void emit_local_var PARAMS ((tree)); 1171extern void make_rtl_for_local_static PARAMS ((tree)); 1172extern tree expand_cond PARAMS ((tree)); 1173extern tree c_expand_return PARAMS ((tree)); 1174extern tree do_case PARAMS ((tree, tree)); 1175extern tree build_stmt PARAMS ((enum tree_code, ...)); 1176extern tree build_case_label PARAMS ((tree, tree, tree)); 1177extern tree build_continue_stmt PARAMS ((void)); 1178extern tree build_break_stmt PARAMS ((void)); 1179extern tree build_return_stmt PARAMS ((tree));
| 1216extern void emit_local_var (tree); 1217extern void make_rtl_for_local_static (tree); 1218extern tree expand_cond (tree); 1219extern tree c_expand_return (tree); 1220extern tree do_case (tree, tree); 1221extern tree build_stmt (enum tree_code, ...); 1222extern tree build_case_label (tree, tree, tree); 1223extern tree build_continue_stmt (void); 1224extern tree build_break_stmt (void); 1225extern tree build_return_stmt (tree);
|
1180 1181#define COMPOUND_STMT_NO_SCOPE(NODE) TREE_LANG_FLAG_0 (NODE) 1182 1183/* Used by the C++ frontend to mark the block around the member 1184 initializers and cleanups. */ 1185#define COMPOUND_STMT_BODY_BLOCK(NODE) TREE_LANG_FLAG_3 (NODE) 1186
| 1226 1227#define COMPOUND_STMT_NO_SCOPE(NODE) TREE_LANG_FLAG_0 (NODE) 1228 1229/* Used by the C++ frontend to mark the block around the member 1230 initializers and cleanups. */ 1231#define COMPOUND_STMT_BODY_BLOCK(NODE) TREE_LANG_FLAG_3 (NODE) 1232
|
1187extern void c_expand_asm_operands PARAMS ((tree, tree, tree, tree, int, const char *, int));
| 1233extern void c_expand_asm_operands (tree, tree, tree, tree, int, location_t);
|
1188 1189/* These functions must be defined by each front-end which implements 1190 a variant of the C language. They are used in c-common.c. */ 1191
| 1234 1235/* These functions must be defined by each front-end which implements 1236 a variant of the C language. They are used in c-common.c. */ 1237
|
1192extern tree build_unary_op PARAMS ((enum tree_code, 1193 tree, int)); 1194extern tree build_binary_op PARAMS ((enum tree_code, 1195 tree, tree, int)); 1196extern int lvalue_p PARAMS ((tree)); 1197extern tree default_conversion PARAMS ((tree));
| 1238extern tree build_unary_op (enum tree_code, tree, int); 1239extern tree build_binary_op (enum tree_code, tree, tree, int); 1240extern int lvalue_p (tree); 1241extern tree default_conversion (tree);
|
1198 1199/* Given two integer or real types, return the type for their sum. 1200 Given two compatible ANSI C types, returns the merged type. */ 1201
| 1242 1243/* Given two integer or real types, return the type for their sum. 1244 Given two compatible ANSI C types, returns the merged type. */ 1245
|
1202extern tree common_type PARAMS ((tree, tree));
| 1246extern tree common_type (tree, tree);
|
1203
| 1247
|
1204extern tree expand_tree_builtin PARAMS ((tree, tree, tree));
| 1248extern tree expand_tree_builtin (tree, tree, tree);
|
1205
| 1249
|
1206extern tree decl_constant_value PARAMS ((tree));
| 1250extern tree decl_constant_value (tree);
|
1207 1208/* Handle increment and decrement of boolean types. */
| 1251 1252/* Handle increment and decrement of boolean types. */
|
1209extern tree boolean_increment PARAMS ((enum tree_code, 1210 tree));
| 1253extern tree boolean_increment (enum tree_code, tree);
|
1211 1212/* Hook currently used only by the C++ front end to reset internal state 1213 after entering or leaving a header file. */
| 1254 1255/* Hook currently used only by the C++ front end to reset internal state 1256 after entering or leaving a header file. */
|
1214extern void extract_interface_info PARAMS ((void));
| 1257extern void extract_interface_info (void);
|
1215
| 1258
|
1216extern int case_compare PARAMS ((splay_tree_key, 1217 splay_tree_key));
| 1259extern int case_compare (splay_tree_key, splay_tree_key);
|
1218
| 1260
|
1219extern tree c_add_case_label PARAMS ((splay_tree, 1220 tree, tree, 1221 tree));
| 1261extern tree c_add_case_label (splay_tree, tree, tree, tree);
|
1222
| 1262
|
1223extern tree build_function_call PARAMS ((tree, tree));
| 1263extern tree build_function_call (tree, tree);
|
1224
| 1264
|
1225extern tree finish_label_address_expr PARAMS ((tree));
| 1265extern tree finish_label_address_expr (tree);
|
1226 1227/* Same function prototype, but the C and C++ front ends have 1228 different implementations. Used in c-common.c. */
| 1266 1267/* Same function prototype, but the C and C++ front ends have 1268 different implementations. Used in c-common.c. */
|
1229extern tree lookup_label PARAMS ((tree));
| 1269extern tree lookup_label (tree);
|
1230
| 1270
|
1231extern rtx c_expand_expr PARAMS ((tree, rtx, 1232 enum machine_mode, 1233 int));
| 1271extern rtx c_expand_expr (tree, rtx, enum machine_mode, int, rtx *);
|
1234
| 1272
|
1235extern int c_safe_from_p PARAMS ((rtx, tree));
| 1273extern int c_safe_from_p (rtx, tree);
|
1236
| 1274
|
1237extern int c_staticp PARAMS ((tree));
| 1275extern int c_staticp (tree);
|
1238
| 1276
|
1239extern int c_common_unsafe_for_reeval PARAMS ((tree));
| 1277extern int c_common_unsafe_for_reeval (tree);
|
1240
| 1278
|
1241extern const char *init_c_lex PARAMS ((const char *));
| 1279extern void init_c_lex (void);
|
1242
| 1280
|
1243extern void cb_register_builtins PARAMS ((cpp_reader *));
| 1281extern void c_cpp_builtins (cpp_reader *);
|
1244
| 1282
|
| 1283/* Positive if an implicit `extern "C"' scope has just been entered; 1284 negative if such a scope has just been exited. */ 1285extern int pending_lang_change; 1286
|
1245/* Information recorded about each file examined during compilation. */ 1246 1247struct c_fileinfo 1248{ 1249 int time; /* Time spent in the file. */ 1250 short interface_only; /* Flags - used only by C++ */ 1251 short interface_unknown; 1252}; 1253
| 1287/* Information recorded about each file examined during compilation. */ 1288 1289struct c_fileinfo 1290{ 1291 int time; /* Time spent in the file. */ 1292 short interface_only; /* Flags - used only by C++ */ 1293 short interface_unknown; 1294}; 1295
|
1254struct c_fileinfo *get_fileinfo PARAMS ((const char *)); 1255extern void dump_time_statistics PARAMS ((void));
| 1296struct c_fileinfo *get_fileinfo (const char *); 1297extern void dump_time_statistics (void);
|
1256
| 1298
|
1257extern int c_dump_tree PARAMS ((void *, tree));
| 1299extern bool c_dump_tree (void *, tree);
|
1258
| 1300
|
| 1301extern void pch_init (void); 1302extern int c_common_valid_pch (cpp_reader *pfile, const char *name, int fd); 1303extern void c_common_read_pch (cpp_reader *pfile, const char *name, int fd, 1304 const char *orig); 1305extern void c_common_write_pch (void); 1306extern void c_common_no_more_pch (void); 1307extern void builtin_define_with_value (const char *, const char *, int); 1308extern void c_stddef_cpp_builtins (void); 1309extern void fe_file_change (const struct line_map *); 1310extern int c_estimate_num_insns (tree decl); 1311extern bool c_decl_uninit (tree t); 1312extern void c_parse_error (const char *, enum cpp_ttype, tree); 1313 1314/* The following have been moved here from c-tree.h, since they're needed 1315 in the ObjC++ world, too. What is more, stub-objc.c could use a few 1316 prototypes. */ 1317extern tree lookup_interface (tree); 1318extern tree is_class_name (tree); 1319extern tree objc_is_object_ptr (tree); 1320extern void objc_check_decl (tree); 1321extern int objc_comptypes (tree, tree, int); 1322extern tree objc_message_selector (void); 1323extern tree lookup_objc_ivar (tree); 1324extern void *get_current_scope (void); 1325extern void objc_mark_locals_volatile (void *); 1326 1327/* In c-ppoutput.c */ 1328extern void init_pp_output (FILE *); 1329extern void preprocess_file (cpp_reader *); 1330extern void pp_file_change (const struct line_map *); 1331extern void pp_dir_change (cpp_reader *, const char *); 1332
|
1259#endif /* ! GCC_C_COMMON_H */
| 1333#endif /* ! GCC_C_COMMON_H */
|