annotate gcc/c-tree.h.orig @ 57:326d9e06c2e3

modify c-parser.c
author ryoma <e075725@ie.u-ryukyu.ac.jp>
date Mon, 15 Feb 2010 00:54:17 +0900
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57
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1 /* Definitions for C parsing and type checking.
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2 Copyright (C) 1987, 1993, 1994, 1995, 1997, 1998,
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3 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009
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4 Free Software Foundation, Inc.
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5
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6 This file is part of GCC.
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7
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8 GCC is free software; you can redistribute it and/or modify it under
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9 the terms of the GNU General Public License as published by the Free
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10 Software Foundation; either version 3, or (at your option) any later
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11 version.
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12
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13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with GCC; see the file COPYING3. If not see
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20 <http://www.gnu.org/licenses/>. */
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21
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22 #ifndef GCC_C_TREE_H
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23 #define GCC_C_TREE_H
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24
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25 #include "c-common.h"
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26 #include "toplev.h"
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27 #include "diagnostic.h"
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28
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29 /* struct lang_identifier is private to c-decl.c, but langhooks.c needs to
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30 know how big it is. This is sanity-checked in c-decl.c. */
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31 #define C_SIZEOF_STRUCT_LANG_IDENTIFIER \
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32 (sizeof (struct c_common_identifier) + 3 * sizeof (void *))
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33
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34 /* In a RECORD_TYPE or UNION_TYPE, nonzero if any component is read-only. */
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35 #define C_TYPE_FIELDS_READONLY(TYPE) TREE_LANG_FLAG_1 (TYPE)
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36
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37 /* In a RECORD_TYPE or UNION_TYPE, nonzero if any component is volatile. */
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38 #define C_TYPE_FIELDS_VOLATILE(TYPE) TREE_LANG_FLAG_2 (TYPE)
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39
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40 /* In a RECORD_TYPE or UNION_TYPE or ENUMERAL_TYPE
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41 nonzero if the definition of the type has already started. */
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42 #define C_TYPE_BEING_DEFINED(TYPE) TYPE_LANG_FLAG_0 (TYPE)
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43
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44 /* In an incomplete RECORD_TYPE or UNION_TYPE, a list of variable
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45 declarations whose type would be completed by completing that type. */
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46 #define C_TYPE_INCOMPLETE_VARS(TYPE) TYPE_VFIELD (TYPE)
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47
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48 /* In an IDENTIFIER_NODE, nonzero if this identifier is actually a
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49 keyword. C_RID_CODE (node) is then the RID_* value of the keyword,
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50 and C_RID_YYCODE is the token number wanted by Yacc. */
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51 #define C_IS_RESERVED_WORD(ID) TREE_LANG_FLAG_0 (ID)
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52
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53 /* Record whether a type or decl was written with nonconstant size.
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54 Note that TYPE_SIZE may have simplified to a constant. */
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55 #define C_TYPE_VARIABLE_SIZE(TYPE) TYPE_LANG_FLAG_1 (TYPE)
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56 #define C_DECL_VARIABLE_SIZE(TYPE) DECL_LANG_FLAG_0 (TYPE)
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57
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58 /* Record whether a type is defined inside a struct or union type.
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59 This is used for -Wc++-compat. */
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60 #define C_TYPE_DEFINED_IN_STRUCT(TYPE) TYPE_LANG_FLAG_2 (TYPE)
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61
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62 /* Record whether a typedef for type `int' was actually `signed int'. */
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63 #define C_TYPEDEF_EXPLICITLY_SIGNED(EXP) DECL_LANG_FLAG_1 (EXP)
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64
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65 /* For a FUNCTION_DECL, nonzero if it was defined without an explicit
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66 return type. */
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67 #define C_FUNCTION_IMPLICIT_INT(EXP) DECL_LANG_FLAG_1 (EXP)
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68
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69 /* For a FUNCTION_DECL, nonzero if it was an implicit declaration. */
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70 #define C_DECL_IMPLICIT(EXP) DECL_LANG_FLAG_2 (EXP)
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71
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72 /* For FUNCTION_DECLs, evaluates true if the decl is built-in but has
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73 been declared. */
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74 #define C_DECL_DECLARED_BUILTIN(EXP) \
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75 DECL_LANG_FLAG_3 (FUNCTION_DECL_CHECK (EXP))
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76
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77 /* For FUNCTION_DECLs, evaluates true if the decl is built-in, has a
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78 built-in prototype and does not have a non-built-in prototype. */
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79 #define C_DECL_BUILTIN_PROTOTYPE(EXP) \
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80 DECL_LANG_FLAG_6 (FUNCTION_DECL_CHECK (EXP))
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81
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82 /* Record whether a decl was declared register. This is strictly a
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83 front-end flag, whereas DECL_REGISTER is used for code generation;
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84 they may differ for structures with volatile fields. */
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85 #define C_DECL_REGISTER(EXP) DECL_LANG_FLAG_4 (EXP)
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86
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87 /* Record whether a decl was used in an expression anywhere except an
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88 unevaluated operand of sizeof / typeof / alignof. This is only
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89 used for functions declared static but not defined, though outside
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90 sizeof and typeof it is set for other function decls as well. */
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91 #define C_DECL_USED(EXP) DECL_LANG_FLAG_5 (FUNCTION_DECL_CHECK (EXP))
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92
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93 /* Record whether a variable has been declared threadprivate by
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94 #pragma omp threadprivate. */
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95 #define C_DECL_THREADPRIVATE_P(DECL) DECL_LANG_FLAG_3 (VAR_DECL_CHECK (DECL))
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96
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97 /* Nonzero for a decl which either doesn't exist or isn't a prototype.
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98 N.B. Could be simplified if all built-in decls had complete prototypes
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99 (but this is presently difficult because some of them need FILE*). */
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100 #define C_DECL_ISNT_PROTOTYPE(EXP) \
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101 (EXP == 0 \
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102 || (TYPE_ARG_TYPES (TREE_TYPE (EXP)) == 0 \
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103 && !DECL_BUILT_IN (EXP)))
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104
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105 /* For FUNCTION_TYPE, a hidden list of types of arguments. The same as
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106 TYPE_ARG_TYPES for functions with prototypes, but created for functions
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107 without prototypes. */
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108 #define TYPE_ACTUAL_ARG_TYPES(NODE) TYPE_LANG_SLOT_1 (NODE)
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109
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110 /* For a CONSTRUCTOR, whether some initializer contains a
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111 subexpression meaning it is not a constant expression. */
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112 #define CONSTRUCTOR_NON_CONST(EXPR) TREE_LANG_FLAG_1 (CONSTRUCTOR_CHECK (EXPR))
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113
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114 /* Record parser information about an expression that is irrelevant
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115 for code generation alongside a tree representing its value. */
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116 struct c_expr
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117 {
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118 /* The value of the expression. */
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119 tree value;
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120 /* Record the original unary/binary operator of an expression, which may
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121 have been changed by fold, STRING_CST for unparenthesized string
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122 constants, C_MAYBE_CONST_EXPR for __builtin_constant_p calls
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123 (even if parenthesized), for subexpressions, and for non-constant
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124 initializers, or ERROR_MARK for other expressions (including
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125 parenthesized expressions). */
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126 enum tree_code original_code;
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127 /* If not NULL, the original type of an expression. This will
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128 differ from the type of the value field for an enum constant.
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129 The type of an enum constant is a plain integer type, but this
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130 field will be the enum type. */
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131 tree original_type;
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132 };
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133
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134 /* A kind of type specifier. Note that this information is currently
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135 only used to distinguish tag definitions, tag references and typeof
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136 uses. */
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137 enum c_typespec_kind {
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138 /* A reserved keyword type specifier. */
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139 ctsk_resword,
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140 /* A reference to a tag, previously declared, such as "struct foo".
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141 This includes where the previous declaration was as a different
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142 kind of tag, in which case this is only valid if shadowing that
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143 tag in an inner scope. */
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144 ctsk_tagref,
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145 /* A reference to a tag, not previously declared in a visible
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146 scope. */
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147 ctsk_tagfirstref,
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148 /* A definition of a tag such as "struct foo { int a; }". */
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149 ctsk_tagdef,
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150 /* A typedef name. */
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151 ctsk_typedef,
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152 /* An ObjC-specific kind of type specifier. */
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153 ctsk_objc,
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154 /* A typeof specifier. */
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155 ctsk_typeof
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156 };
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157
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158 /* A type specifier: this structure is created in the parser and
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159 passed to declspecs_add_type only. */
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160 struct c_typespec {
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161 /* What kind of type specifier this is. */
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162 enum c_typespec_kind kind;
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163 /* The specifier itself. */
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164 tree spec;
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165 /* An expression to be evaluated before the type specifier, in the
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166 case of typeof specifiers, or NULL otherwise or if no such
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167 expression is required for a particular typeof specifier. In
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168 particular, when typeof is applied to an expression of variably
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169 modified type, that expression must be evaluated in order to
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170 determine array sizes that form part of the type, but the
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171 expression itself (as opposed to the array sizes) forms no part
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172 of the type and so needs to be recorded separately. */
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173 tree expr;
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174 /* Whether the expression has operands suitable for use in constant
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175 expressions. */
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176 bool expr_const_operands;
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177 };
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178
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179 /* A storage class specifier. */
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180 enum c_storage_class {
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181 csc_none,
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182 csc_auto,
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183 csc_extern,
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184 csc_register,
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185 csc_static,
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186 csc_typedef
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187 };
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188
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189 /* A type specifier keyword "void", "_Bool", "char", "int", "float",
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190 "double", "_Decimal32", "_Decimal64", "_Decimal128", "_Fract", "_Accum",
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191 or none of these. */
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192 enum c_typespec_keyword {
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193 cts_none,
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194 cts_void,
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195 cts_bool,
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196 cts_char,
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197 cts_int,
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198 cts_float,
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199 cts_double,
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200 #ifndef noCbC
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201 cts_CbC_code,
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202 #endif
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203 cts_dfloat32,
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204 cts_dfloat64,
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205 cts_dfloat128,
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206 cts_fract,
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207 cts_accum
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208 };
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209
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210 /* A sequence of declaration specifiers in C. */
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211 struct c_declspecs {
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212 /* The type specified, if a single type specifier such as a struct,
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213 union or enum specifier, typedef name or typeof specifies the
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214 whole type, or NULL_TREE if none or a keyword such as "void" or
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215 "char" is used. Does not include qualifiers. */
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216 tree type;
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217 /* Any expression to be evaluated before the type, from a typeof
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218 specifier. */
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219 tree expr;
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220 /* The attributes from a typedef decl. */
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221 tree decl_attr;
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222 /* When parsing, the attributes. Outside the parser, this will be
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223 NULL; attributes (possibly from multiple lists) will be passed
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224 separately. */
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225 tree attrs;
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226 /* Any type specifier keyword used such as "int", not reflecting
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227 modifiers such as "short", or cts_none if none. */
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228 enum c_typespec_keyword typespec_word;
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229 /* The storage class specifier, or csc_none if none. */
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230 enum c_storage_class storage_class;
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231 /* Whether any expressions in typeof specifiers may appear in
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232 constant expressions. */
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233 BOOL_BITFIELD expr_const_operands : 1;
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234 /* Whether any declaration specifiers have been seen at all. */
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235 BOOL_BITFIELD declspecs_seen_p : 1;
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236 /* Whether a type specifier has been seen. */
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237 BOOL_BITFIELD type_seen_p : 1;
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238 /* Whether something other than a storage class specifier or
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239 attribute has been seen. This is used to warn for the
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240 obsolescent usage of storage class specifiers other than at the
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241 start of the list. (Doing this properly would require function
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242 specifiers to be handled separately from storage class
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243 specifiers.) */
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244 BOOL_BITFIELD non_sc_seen_p : 1;
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245 /* Whether the type is specified by a typedef or typeof name. */
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246 BOOL_BITFIELD typedef_p : 1;
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247 /* Whether a struct, union or enum type either had its content
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248 defined by a type specifier in the list or was the first visible
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249 declaration of its tag. */
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250 BOOL_BITFIELD tag_defined_p : 1;
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251 /* Whether the type is explicitly "signed" or specified by a typedef
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252 whose type is explicitly "signed". */
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253 BOOL_BITFIELD explicit_signed_p : 1;
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254 /* Whether the specifiers include a deprecated typedef. */
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255 BOOL_BITFIELD deprecated_p : 1;
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256 /* Whether the type defaulted to "int" because there were no type
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257 specifiers. */
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258 BOOL_BITFIELD default_int_p;
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259 /* Whether "long" was specified. */
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260 BOOL_BITFIELD long_p : 1;
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261 /* Whether "long" was specified more than once. */
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262 BOOL_BITFIELD long_long_p : 1;
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263 /* Whether "short" was specified. */
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264 BOOL_BITFIELD short_p : 1;
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265 /* Whether "signed" was specified. */
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266 BOOL_BITFIELD signed_p : 1;
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267 /* Whether "unsigned" was specified. */
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268 BOOL_BITFIELD unsigned_p : 1;
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269 /* Whether "complex" was specified. */
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270 BOOL_BITFIELD complex_p : 1;
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271 /* Whether "inline" was specified. */
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272 BOOL_BITFIELD inline_p : 1;
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273 /* Whether "__thread" was specified. */
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274 BOOL_BITFIELD thread_p : 1;
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275 /* Whether "const" was specified. */
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276 BOOL_BITFIELD const_p : 1;
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277 /* Whether "volatile" was specified. */
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278 BOOL_BITFIELD volatile_p : 1;
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279 /* Whether "restrict" was specified. */
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280 BOOL_BITFIELD restrict_p : 1;
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281 /* Whether "_Sat" was specified. */
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282 BOOL_BITFIELD saturating_p : 1;
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283 /* The address space that the declaration belongs to. */
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284 addr_space_t address_space;
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285 };
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286
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287 /* The various kinds of declarators in C. */
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288 enum c_declarator_kind {
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289 /* An identifier. */
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290 cdk_id,
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291 /* A function. */
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292 cdk_function,
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293 /* An array. */
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294 cdk_array,
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295 /* A pointer. */
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296 cdk_pointer,
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297 /* Parenthesized declarator with nested attributes. */
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298 cdk_attrs
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299 };
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300
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301 /* Information about the parameters in a function declarator. */
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302 struct c_arg_info {
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303 /* A list of parameter decls. */
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304 tree parms;
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305 /* A list of structure, union and enum tags defined. */
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306 tree tags;
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307 /* A list of argument types to go in the FUNCTION_TYPE. */
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308 tree types;
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309 /* A list of non-parameter decls (notably enumeration constants)
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310 defined with the parameters. */
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311 tree others;
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312 /* A list of VLA sizes from the parameters. In a function
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313 definition, these are used to ensure that side-effects in sizes
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314 of arrays converted to pointers (such as a parameter int i[n++])
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315 take place; otherwise, they are ignored. */
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316 tree pending_sizes;
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317 /* True when these arguments had [*]. */
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318 BOOL_BITFIELD had_vla_unspec : 1;
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319 };
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320
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321 /* A declarator. */
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322 struct c_declarator {
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323 /* The kind of declarator. */
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324 enum c_declarator_kind kind;
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325 /* Except for cdk_id, the contained declarator. For cdk_id, NULL. */
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326 struct c_declarator *declarator;
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327 location_t id_loc; /* Currently only set for cdk_id, cdk_array. */
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328 union {
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329 /* For identifiers, an IDENTIFIER_NODE or NULL_TREE if an abstract
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330 declarator. */
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331 tree id;
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332 /* For functions. */
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333 struct c_arg_info *arg_info;
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334 /* For arrays. */
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335 struct {
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336 /* The array dimension, or NULL for [] and [*]. */
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337 tree dimen;
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338 /* The qualifiers inside []. */
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339 int quals;
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340 /* The attributes (currently ignored) inside []. */
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341 tree attrs;
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342 /* Whether [static] was used. */
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343 BOOL_BITFIELD static_p : 1;
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344 /* Whether [*] was used. */
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345 BOOL_BITFIELD vla_unspec_p : 1;
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346 } array;
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347 /* For pointers, the qualifiers on the pointer type. */
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348 int pointer_quals;
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349 /* For attributes. */
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350 tree attrs;
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351 } u;
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352 };
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353
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354 /* A type name. */
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355 struct c_type_name {
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356 /* The declaration specifiers. */
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357 struct c_declspecs *specs;
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358 /* The declarator. */
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359 struct c_declarator *declarator;
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360 };
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361
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362 /* A parameter. */
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363 struct c_parm {
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364 /* The declaration specifiers, minus any prefix attributes. */
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365 struct c_declspecs *specs;
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366 /* The attributes. */
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367 tree attrs;
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368 /* The declarator. */
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369 struct c_declarator *declarator;
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370 };
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371
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372 /* Used when parsing an enum. Initialized by start_enum. */
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373 struct c_enum_contents
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374 {
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375 /* While defining an enum type, this is 1 plus the last enumerator
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376 constant value. */
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377 tree enum_next_value;
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378
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379 /* Nonzero means that there was overflow computing enum_next_value. */
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380 int enum_overflow;
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381 };
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382
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383 /* A type of reference to a static identifier in an inline
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384 function. */
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385 enum c_inline_static_type {
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386 /* Identifier with internal linkage used in function that may be an
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387 inline definition (i.e., file-scope static). */
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388 csi_internal,
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389 /* Modifiable object with static storage duration defined in
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390 function that may be an inline definition (i.e., local
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391 static). */
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392 csi_modifiable
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393 };
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394
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395
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396 /* in c-parser.c */
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397 extern void c_parse_init (void);
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398
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399 /* in c-aux-info.c */
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400 extern void gen_aux_info_record (tree, int, int, int);
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401
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402 /* in c-decl.c */
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403 struct c_spot_bindings;
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404 struct c_struct_parse_info;
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405 extern struct obstack parser_obstack;
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406 extern tree c_break_label;
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407 extern tree c_cont_label;
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408
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409 extern int global_bindings_p (void);
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410 extern void push_scope (void);
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411 extern tree pop_scope (void);
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
412 extern void c_bindings_start_stmt_expr (struct c_spot_bindings *);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
413 extern void c_bindings_end_stmt_expr (struct c_spot_bindings *);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
414
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
415 extern void record_inline_static (location_t, tree, tree,
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
416 enum c_inline_static_type);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
417 extern void c_init_decl_processing (void);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
418 extern void c_print_identifier (FILE *, tree, int);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
419 extern int quals_from_declspecs (const struct c_declspecs *);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
420 extern struct c_declarator *build_array_declarator (location_t, tree,
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
421 struct c_declspecs *,
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
422 bool, bool);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
423 extern tree build_enumerator (location_t, struct c_enum_contents *, tree, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
424 extern tree check_for_loop_decls (location_t);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
425 extern void mark_forward_parm_decls (void);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
426 extern void declare_parm_level (void);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
427 extern void undeclared_variable (location_t, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
428 extern tree lookup_label_for_goto (location_t, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
429 extern tree declare_label (tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
430 extern tree define_label (location_t, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
431 extern struct c_spot_bindings *c_get_switch_bindings (void);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
432 extern void c_release_switch_bindings (struct c_spot_bindings *);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
433 extern bool c_check_switch_jump_warnings (struct c_spot_bindings *,
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
434 location_t, location_t);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
435 extern void finish_decl (tree, location_t, tree, tree, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
436 extern tree finish_enum (tree, tree, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
437 extern void finish_function (void);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
438 extern tree finish_struct (location_t, tree, tree, tree,
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
439 struct c_struct_parse_info *);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
440 extern struct c_arg_info *get_parm_info (bool);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
441 extern tree grokfield (location_t, struct c_declarator *,
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
442 struct c_declspecs *, tree, tree *);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
443 extern tree groktypename (struct c_type_name *, tree *, bool *);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
444 extern tree grokparm (const struct c_parm *);
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
445
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
446 #ifndef noCbC
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
447 extern tree implicitly_declare (location_t, tree, int);
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
448 #else
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
449 extern tree implicitly_declare (location_t, tree);
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
450 #endif
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
451
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
452 extern void keep_next_level (void);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
453 extern void pending_xref_error (void);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
454 extern void c_push_function_context (void);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
455 extern void c_pop_function_context (void);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
456 extern void push_parm_decl (const struct c_parm *);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
457 extern struct c_declarator *set_array_declarator_inner (struct c_declarator *,
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
458 struct c_declarator *);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
459 extern tree c_builtin_function (tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
460 extern tree c_builtin_function_ext_scope (tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
461 extern void shadow_tag (const struct c_declspecs *);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
462 extern void shadow_tag_warned (const struct c_declspecs *, int);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
463 extern tree start_enum (location_t, struct c_enum_contents *, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
464 extern int start_function (struct c_declspecs *, struct c_declarator *, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
465 extern tree start_decl (struct c_declarator *, struct c_declspecs *, bool,
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
466 tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
467 extern tree start_struct (location_t, enum tree_code, tree,
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
468 struct c_struct_parse_info **);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
469 extern void store_parm_decls (void);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
470 extern void store_parm_decls_from (struct c_arg_info *);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
471 extern tree xref_tag (enum tree_code, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
472 extern struct c_typespec parser_xref_tag (location_t, enum tree_code, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
473 extern int c_expand_decl (tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
474 extern struct c_parm *build_c_parm (struct c_declspecs *, tree,
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
475 struct c_declarator *);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
476 extern struct c_declarator *build_attrs_declarator (tree,
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
477 struct c_declarator *);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
478 extern struct c_declarator *build_function_declarator (struct c_arg_info *,
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
479 struct c_declarator *);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
480 extern struct c_declarator *build_id_declarator (tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
481 extern struct c_declarator *make_pointer_declarator (struct c_declspecs *,
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
482 struct c_declarator *);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
483 extern struct c_declspecs *build_null_declspecs (void);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
484 extern struct c_declspecs *declspecs_add_qual (struct c_declspecs *, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
485 extern struct c_declspecs *declspecs_add_type (location_t,
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
486 struct c_declspecs *,
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
487 struct c_typespec);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
488 extern struct c_declspecs *declspecs_add_scspec (struct c_declspecs *, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
489 extern struct c_declspecs *declspecs_add_attrs (struct c_declspecs *, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
490 extern struct c_declspecs *declspecs_add_addrspace (struct c_declspecs *,
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
491 addr_space_t);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
492 extern struct c_declspecs *finish_declspecs (struct c_declspecs *);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
493
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
494 /* in c-objc-common.c */
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
495 extern bool c_objc_common_init (void);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
496 extern bool c_missing_noreturn_ok_p (tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
497 extern bool c_warn_unused_global_decl (const_tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
498 extern void c_initialize_diagnostics (diagnostic_context *);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
499 extern bool c_vla_unspec_p (tree x, tree fn);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
500
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
501 #define c_build_type_variant(TYPE, CONST_P, VOLATILE_P) \
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
502 c_build_qualified_type ((TYPE), \
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
503 ((CONST_P) ? TYPE_QUAL_CONST : 0) | \
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
504 ((VOLATILE_P) ? TYPE_QUAL_VOLATILE : 0))
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
505
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
506 /* in c-typeck.c */
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
507 extern bool in_late_binary_op;
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
508 extern int in_alignof;
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
509 extern int in_sizeof;
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
510 extern int in_typeof;
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
511
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
512 extern struct c_switch *c_switch_stack;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
513
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
514 extern tree c_objc_common_truthvalue_conversion (location_t, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
515 extern tree require_complete_type (tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
516 extern int same_translation_unit_p (const_tree, const_tree);
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
517 extern int comptypes (tree, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
518 extern bool c_vla_type_p (const_tree);
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
519 extern bool c_mark_addressable (tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
520 extern void c_incomplete_type_error (const_tree, const_tree);
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
521 extern tree c_type_promotes_to (tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
522 extern struct c_expr default_function_array_conversion (location_t,
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
523 struct c_expr);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
524 extern tree composite_type (tree, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
525 extern tree build_component_ref (location_t, tree, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
526 extern tree build_array_ref (location_t, tree, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
527 extern tree build_external_ref (location_t, tree, int, tree *);
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
528 extern void pop_maybe_used (bool);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
529 extern struct c_expr c_expr_sizeof_expr (location_t, struct c_expr);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
530 extern struct c_expr c_expr_sizeof_type (location_t, struct c_type_name *);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
531 extern struct c_expr parser_build_unary_op (location_t, enum tree_code,
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
532 struct c_expr);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
533 extern struct c_expr parser_build_binary_op (location_t,
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
534 enum tree_code, struct c_expr,
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
535 struct c_expr);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
536 extern tree build_conditional_expr (location_t, tree, bool, tree, tree,
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
537 tree, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
538 extern tree build_compound_expr (location_t, tree, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
539 extern tree c_cast_expr (location_t, struct c_type_name *, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
540 extern tree build_c_cast (location_t, tree, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
541 extern void store_init_value (location_t, tree, tree, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
542 extern void error_init (const char *);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
543 extern void pedwarn_init (location_t, int opt, const char *);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
544 extern void maybe_warn_string_init (tree, struct c_expr);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
545 extern void start_init (tree, tree, int);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
546 extern void finish_init (void);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
547 extern void really_start_incremental_init (tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
548 extern void push_init_level (int);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
549 extern struct c_expr pop_init_level (int);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
550 extern void set_init_index (tree, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
551 extern void set_init_label (tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
552 extern void process_init_element (struct c_expr, bool);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
553 extern tree build_compound_literal (location_t, tree, tree, bool);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
554 extern void check_compound_literal_type (location_t, struct c_type_name *);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
555 extern tree c_start_case (location_t, location_t, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
556 extern void c_finish_case (tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
557 extern tree build_asm_expr (location_t, tree, tree, tree, tree, tree, bool);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
558 extern tree build_asm_stmt (tree, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
559 extern int c_types_compatible_p (tree, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
560 extern tree c_begin_compound_stmt (bool);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
561 extern tree c_end_compound_stmt (location_t, tree, bool);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
562 extern void c_finish_if_stmt (location_t, tree, tree, tree, bool);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
563 extern void c_finish_loop (location_t, tree, tree, tree, tree, tree, bool);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
564 extern tree c_begin_stmt_expr (void);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
565 extern tree c_finish_stmt_expr (location_t, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
566 extern tree c_process_expr_stmt (location_t, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
567 extern tree c_finish_expr_stmt (location_t, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
568 extern tree c_finish_return (location_t, tree, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
569 extern tree c_finish_bc_stmt (location_t, tree *, bool);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
570 extern tree c_finish_goto_label (location_t, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
571 extern tree c_finish_goto_ptr (location_t, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
572 extern tree c_expr_to_decl (tree, bool *, bool *);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
573 extern tree c_begin_omp_parallel (void);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
574 extern tree c_finish_omp_parallel (location_t, tree, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
575 extern tree c_begin_omp_task (void);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
576 extern tree c_finish_omp_task (location_t, tree, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
577 extern tree c_finish_omp_clauses (tree);
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
578 extern tree c_build_va_arg (location_t, tree, tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
579
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
580 /* Set to 0 at beginning of a function definition, set to 1 if
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
581 a return statement that specifies a return value is seen. */
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
582
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
583 extern int current_function_returns_value;
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
584
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
585 /* Set to 0 at beginning of a function definition, set to 1 if
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
586 a return statement with no argument is seen. */
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
587
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
588 extern int current_function_returns_null;
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
589
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
590 /* Set to 0 at beginning of a function definition, set to 1 if
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
591 a call to a noreturn function is seen. */
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
592
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
593 extern int current_function_returns_abnormally;
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
594
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
595 /* Nonzero means we are reading code that came from a system header file. */
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
596
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
597 extern int system_header_p;
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
598
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
599 /* True means global_bindings_p should return false even if the scope stack
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
600 says we are in file scope. */
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
601
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
602 extern bool c_override_global_bindings_to_false;
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
603
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
604 /* In c-decl.c */
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
605 extern void c_finish_incomplete_decl (tree);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
606 extern void c_write_global_declarations (void);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
607
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
608 /* In order for the format checking to accept the C frontend
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
609 diagnostic framework extensions, you must include this file before
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
610 toplev.h, not after. */
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
611 #if GCC_VERSION >= 4001
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
612 #define ATTRIBUTE_GCC_CDIAG(m, n) __attribute__ ((__format__ (GCC_DIAG_STYLE, m ,n))) ATTRIBUTE_NONNULL(m)
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
613 #else
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
614 #define ATTRIBUTE_GCC_CDIAG(m, n) ATTRIBUTE_NONNULL(m)
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
615 #endif
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
616
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
617 extern void pedwarn_c90 (location_t, int opt, const char *, ...) ATTRIBUTE_GCC_CDIAG(3,4);
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
618 extern void pedwarn_c99 (location_t, int opt, const char *, ...) ATTRIBUTE_GCC_CDIAG(3,4);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
619
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
620 extern bool c_cpp_error (cpp_reader *, int, location_t, unsigned int,
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
621 const char *, va_list *)
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
622 ATTRIBUTE_GCC_CDIAG(5,0);
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
623
326d9e06c2e3 modify c-parser.c
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
624 #endif /* ! GCC_C_TREE_H */