1 | /* Definitions for c-common.c. |
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2 | Copyright (C) 1987, 1993, 1994, 1995, 1997, 1998, |
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3 | 1999, 2000, 2001, 2002 Free Software Foundation, Inc. |
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4 | |
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5 | This file is part of GCC. |
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6 | |
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7 | GCC is free software; you can redistribute it and/or modify it under |
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8 | the terms of the GNU General Public License as published by the Free |
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9 | Software Foundation; either version 2, or (at your option) any later |
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10 | version. |
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11 | |
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12 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
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13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 | for more details. |
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16 | |
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17 | You should have received a copy of the GNU General Public License |
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18 | along with GCC; see the file COPYING. If not, write to the Free |
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19 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA |
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20 | 02111-1307, USA. */ |
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21 | |
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22 | #ifndef GCC_C_COMMON_H |
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23 | #define GCC_C_COMMON_H |
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24 | |
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25 | #include "splay-tree.h" |
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26 | #include "cpplib.h" |
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27 | |
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28 | /* Usage of TREE_LANG_FLAG_?: |
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29 | 0: COMPOUND_STMT_NO_SCOPE (in COMPOUND_STMT). |
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30 | TREE_NEGATED_INT (in INTEGER_CST). |
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31 | IDENTIFIER_MARKED (used by search routines). |
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32 | SCOPE_BEGIN_P (in SCOPE_STMT) |
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33 | DECL_PRETTY_FUNCTION_P (in VAR_DECL) |
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34 | NEW_FOR_SCOPE_P (in FOR_STMT) |
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35 | ASM_INPUT_P (in ASM_STMT) |
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36 | STMT_EXPR_NO_SCOPE (in STMT_EXPR) |
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37 | 1: C_DECLARED_LABEL_FLAG (in LABEL_DECL) |
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38 | STMT_IS_FULL_EXPR_P (in _STMT) |
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39 | 2: STMT_LINENO_FOR_FN_P (in _STMT) |
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40 | 3: SCOPE_NO_CLEANUPS_P (in SCOPE_STMT) |
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41 | COMPOUND_STMT_BODY_BLOCK (in COMPOUND_STMT) |
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42 | 4: SCOPE_PARTIAL_P (in SCOPE_STMT) |
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43 | */ |
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44 | |
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45 | /* Reserved identifiers. This is the union of all the keywords for C, |
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46 | C++, and Objective C. All the type modifiers have to be in one |
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47 | block at the beginning, because they are used as mask bits. There |
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48 | are 27 type modifiers; if we add many more we will have to redesign |
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49 | the mask mechanism. */ |
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50 | |
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51 | enum rid |
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52 | { |
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53 | /* Modifiers: */ |
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54 | /* C, in empirical order of frequency. */ |
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55 | RID_STATIC = 0, |
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56 | RID_UNSIGNED, RID_LONG, RID_CONST, RID_EXTERN, |
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57 | RID_REGISTER, RID_TYPEDEF, RID_SHORT, RID_INLINE, |
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58 | RID_VOLATILE, RID_SIGNED, RID_AUTO, RID_RESTRICT, |
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59 | |
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60 | /* C extensions */ |
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61 | RID_BOUNDED, RID_UNBOUNDED, RID_COMPLEX, |
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62 | |
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63 | /* C++ */ |
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64 | RID_FRIEND, RID_VIRTUAL, RID_EXPLICIT, RID_EXPORT, RID_MUTABLE, |
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65 | |
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66 | /* ObjC */ |
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67 | RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF, RID_ONEWAY, |
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68 | |
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69 | /* C */ |
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70 | RID_INT, RID_CHAR, RID_FLOAT, RID_DOUBLE, RID_VOID, |
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71 | RID_ENUM, RID_STRUCT, RID_UNION, RID_IF, RID_ELSE, |
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72 | RID_WHILE, RID_DO, RID_FOR, RID_SWITCH, RID_CASE, |
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73 | RID_DEFAULT, RID_BREAK, RID_CONTINUE, RID_RETURN, RID_GOTO, |
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74 | RID_SIZEOF, |
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75 | |
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76 | /* C extensions */ |
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77 | RID_ASM, RID_TYPEOF, RID_ALIGNOF, RID_ATTRIBUTE, RID_VA_ARG, |
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78 | RID_EXTENSION, RID_IMAGPART, RID_REALPART, RID_LABEL, RID_PTRBASE, |
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79 | RID_PTREXTENT, RID_PTRVALUE, RID_CHOOSE_EXPR, RID_TYPES_COMPATIBLE_P, |
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80 | |
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81 | /* Too many ways of getting the name of a function as a string */ |
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82 | RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME, RID_C99_FUNCTION_NAME, |
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83 | |
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84 | /* C++ */ |
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85 | RID_BOOL, RID_WCHAR, RID_CLASS, |
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86 | RID_PUBLIC, RID_PRIVATE, RID_PROTECTED, |
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87 | RID_TEMPLATE, RID_NULL, RID_CATCH, |
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88 | RID_DELETE, RID_FALSE, RID_NAMESPACE, |
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89 | RID_NEW, RID_OPERATOR, RID_THIS, |
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90 | RID_THROW, RID_TRUE, RID_TRY, |
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91 | RID_TYPENAME, RID_TYPEID, RID_USING, |
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92 | |
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93 | /* casts */ |
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94 | RID_CONSTCAST, RID_DYNCAST, RID_REINTCAST, RID_STATCAST, |
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95 | |
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96 | /* alternate spellings */ |
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97 | RID_AND, RID_AND_EQ, RID_NOT, RID_NOT_EQ, |
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98 | RID_OR, RID_OR_EQ, RID_XOR, RID_XOR_EQ, |
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99 | RID_BITAND, RID_BITOR, RID_COMPL, |
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100 | |
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101 | /* Objective C */ |
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102 | RID_ID, RID_AT_ENCODE, RID_AT_END, |
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103 | RID_AT_CLASS, RID_AT_ALIAS, RID_AT_DEFS, |
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104 | RID_AT_PRIVATE, RID_AT_PROTECTED, RID_AT_PUBLIC, |
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105 | RID_AT_PROTOCOL, RID_AT_SELECTOR, RID_AT_INTERFACE, |
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106 | RID_AT_IMPLEMENTATION, |
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107 | |
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108 | RID_MAX, |
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109 | |
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110 | RID_FIRST_MODIFIER = RID_STATIC, |
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111 | RID_LAST_MODIFIER = RID_ONEWAY, |
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112 | |
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113 | RID_FIRST_AT = RID_AT_ENCODE, |
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114 | RID_LAST_AT = RID_AT_IMPLEMENTATION, |
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115 | RID_FIRST_PQ = RID_IN, |
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116 | RID_LAST_PQ = RID_ONEWAY |
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117 | }; |
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118 | |
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119 | #define OBJC_IS_AT_KEYWORD(rid) \ |
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120 | ((unsigned int)(rid) >= (unsigned int)RID_FIRST_AT && \ |
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121 | (unsigned int)(rid) <= (unsigned int)RID_LAST_AT) |
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122 | |
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123 | #define OBJC_IS_PQ_KEYWORD(rid) \ |
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124 | ((unsigned int)(rid) >= (unsigned int)RID_FIRST_PQ && \ |
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125 | (unsigned int)(rid) <= (unsigned int)RID_LAST_PQ) |
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126 | |
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127 | /* The elements of `ridpointers' are identifier nodes for the reserved |
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128 | type names and storage classes. It is indexed by a RID_... value. */ |
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129 | extern tree *ridpointers; |
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130 | |
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131 | /* Standard named or nameless data types of the C compiler. */ |
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132 | |
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133 | enum c_tree_index |
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134 | { |
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135 | CTI_WCHAR_TYPE, |
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136 | CTI_SIGNED_WCHAR_TYPE, |
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137 | CTI_UNSIGNED_WCHAR_TYPE, |
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138 | CTI_WINT_TYPE, |
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139 | CTI_C_SIZE_TYPE, /* The type used for the size_t typedef and the |
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140 | result type of sizeof (an ordinary type without |
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141 | TYPE_IS_SIZETYPE set, unlike the internal |
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142 | sizetype). */ |
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143 | CTI_SIGNED_SIZE_TYPE, /* For format checking only. */ |
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144 | CTI_UNSIGNED_PTRDIFF_TYPE, /* For format checking only. */ |
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145 | CTI_INTMAX_TYPE, |
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146 | CTI_UINTMAX_TYPE, |
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147 | CTI_WIDEST_INT_LIT_TYPE, |
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148 | CTI_WIDEST_UINT_LIT_TYPE, |
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149 | |
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150 | CTI_CHAR_ARRAY_TYPE, |
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151 | CTI_WCHAR_ARRAY_TYPE, |
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152 | CTI_INT_ARRAY_TYPE, |
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153 | CTI_STRING_TYPE, |
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154 | CTI_CONST_STRING_TYPE, |
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155 | |
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156 | /* Type for boolean expressions (bool in C++, int in C). */ |
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157 | CTI_BOOLEAN_TYPE, |
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158 | CTI_BOOLEAN_TRUE, |
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159 | CTI_BOOLEAN_FALSE, |
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160 | /* C99's _Bool type. */ |
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161 | CTI_C_BOOL_TYPE, |
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162 | CTI_C_BOOL_TRUE, |
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163 | CTI_C_BOOL_FALSE, |
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164 | CTI_DEFAULT_FUNCTION_TYPE, |
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165 | |
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166 | CTI_G77_INTEGER_TYPE, |
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167 | CTI_G77_UINTEGER_TYPE, |
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168 | CTI_G77_LONGINT_TYPE, |
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169 | CTI_G77_ULONGINT_TYPE, |
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170 | |
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171 | /* These are not types, but we have to look them up all the time. */ |
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172 | CTI_FUNCTION_NAME_DECL, |
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173 | CTI_PRETTY_FUNCTION_NAME_DECL, |
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174 | CTI_C99_FUNCTION_NAME_DECL, |
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175 | CTI_SAVED_FUNCTION_NAME_DECLS, |
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176 | |
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177 | CTI_VOID_ZERO, |
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178 | |
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179 | CTI_MAX |
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180 | }; |
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181 | |
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182 | #define C_RID_CODE(id) (((struct c_common_identifier *) (id))->node.rid_code) |
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183 | |
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184 | /* Identifier part common to the C front ends. Inherits from |
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185 | tree_identifier, despite appearances. */ |
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186 | struct c_common_identifier |
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187 | { |
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188 | struct tree_common common; |
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189 | struct cpp_hashnode node; |
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190 | }; |
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191 | |
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192 | #define wchar_type_node c_global_trees[CTI_WCHAR_TYPE] |
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193 | #define signed_wchar_type_node c_global_trees[CTI_SIGNED_WCHAR_TYPE] |
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194 | #define unsigned_wchar_type_node c_global_trees[CTI_UNSIGNED_WCHAR_TYPE] |
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195 | #define wint_type_node c_global_trees[CTI_WINT_TYPE] |
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196 | #define c_size_type_node c_global_trees[CTI_C_SIZE_TYPE] |
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197 | #define signed_size_type_node c_global_trees[CTI_SIGNED_SIZE_TYPE] |
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198 | #define unsigned_ptrdiff_type_node c_global_trees[CTI_UNSIGNED_PTRDIFF_TYPE] |
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199 | #define intmax_type_node c_global_trees[CTI_INTMAX_TYPE] |
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200 | #define uintmax_type_node c_global_trees[CTI_UINTMAX_TYPE] |
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201 | #define widest_integer_literal_type_node c_global_trees[CTI_WIDEST_INT_LIT_TYPE] |
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202 | #define widest_unsigned_literal_type_node c_global_trees[CTI_WIDEST_UINT_LIT_TYPE] |
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203 | |
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204 | #define boolean_type_node c_global_trees[CTI_BOOLEAN_TYPE] |
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205 | #define boolean_true_node c_global_trees[CTI_BOOLEAN_TRUE] |
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206 | #define boolean_false_node c_global_trees[CTI_BOOLEAN_FALSE] |
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207 | |
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208 | #define c_bool_type_node c_global_trees[CTI_C_BOOL_TYPE] |
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209 | #define c_bool_true_node c_global_trees[CTI_C_BOOL_TRUE] |
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210 | #define c_bool_false_node c_global_trees[CTI_C_BOOL_FALSE] |
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211 | |
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212 | #define char_array_type_node c_global_trees[CTI_CHAR_ARRAY_TYPE] |
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213 | #define wchar_array_type_node c_global_trees[CTI_WCHAR_ARRAY_TYPE] |
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214 | #define int_array_type_node c_global_trees[CTI_INT_ARRAY_TYPE] |
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215 | #define string_type_node c_global_trees[CTI_STRING_TYPE] |
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216 | #define const_string_type_node c_global_trees[CTI_CONST_STRING_TYPE] |
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217 | |
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218 | #define default_function_type c_global_trees[CTI_DEFAULT_FUNCTION_TYPE] |
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219 | |
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220 | /* g77 integer types, which which must be kept in sync with f/com.h */ |
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221 | #define g77_integer_type_node c_global_trees[CTI_G77_INTEGER_TYPE] |
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222 | #define g77_uinteger_type_node c_global_trees[CTI_G77_UINTEGER_TYPE] |
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223 | #define g77_longint_type_node c_global_trees[CTI_G77_LONGINT_TYPE] |
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224 | #define g77_ulongint_type_node c_global_trees[CTI_G77_ULONGINT_TYPE] |
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225 | |
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226 | #define function_name_decl_node c_global_trees[CTI_FUNCTION_NAME_DECL] |
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227 | #define pretty_function_name_decl_node c_global_trees[CTI_PRETTY_FUNCTION_NAME_DECL] |
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228 | #define c99_function_name_decl_node c_global_trees[CTI_C99_FUNCTION_NAME_DECL] |
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229 | #define saved_function_name_decls c_global_trees[CTI_SAVED_FUNCTION_NAME_DECLS] |
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230 | |
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231 | /* A node for `((void) 0)'. */ |
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232 | #define void_zero_node c_global_trees[CTI_VOID_ZERO] |
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233 | |
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234 | extern tree c_global_trees[CTI_MAX]; |
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235 | |
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236 | /* Mark which labels are explicitly declared. |
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237 | These may be shadowed, and may be referenced from nested functions. */ |
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238 | #define C_DECLARED_LABEL_FLAG(label) TREE_LANG_FLAG_1 (label) |
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239 | |
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240 | /* Flag strings given by __FUNCTION__ and __PRETTY_FUNCTION__ for a |
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241 | warning if they undergo concatenation. */ |
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242 | #define C_ARTIFICIAL_STRING_P(NODE) TREE_LANG_FLAG_0 (NODE) |
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243 | |
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244 | typedef enum c_language_kind |
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245 | { |
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246 | clk_c, /* A dialect of C: K&R C, ANSI/ISO C89, C2000, |
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247 | etc. */ |
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248 | clk_cplusplus, /* ANSI/ISO C++ */ |
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249 | clk_objective_c /* Objective C */ |
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250 | } |
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251 | c_language_kind; |
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252 | |
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253 | /* Information about a statement tree. */ |
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254 | |
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255 | struct stmt_tree_s { |
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256 | /* The last statement added to the tree. */ |
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257 | tree x_last_stmt; |
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258 | /* The type of the last expression statement. (This information is |
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259 | needed to implement the statement-expression extension.) */ |
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260 | tree x_last_expr_type; |
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261 | /* The last filename we recorded. */ |
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262 | const char *x_last_expr_filename; |
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263 | /* In C++, Non-zero if we should treat statements as full |
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264 | expressions. In particular, this variable is no-zero if at the |
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265 | end of a statement we should destroy any temporaries created |
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266 | during that statement. Similarly, if, at the end of a block, we |
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267 | should destroy any local variables in this block. Normally, this |
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268 | variable is non-zero, since those are the normal semantics of |
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269 | C++. |
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270 | |
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271 | However, in order to represent aggregate initialization code as |
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272 | tree structure, we use statement-expressions. The statements |
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273 | within the statement expression should not result in cleanups |
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274 | being run until the entire enclosing statement is complete. |
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275 | |
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276 | This flag has no effect in C. */ |
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277 | int stmts_are_full_exprs_p; |
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278 | }; |
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279 | |
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280 | typedef struct stmt_tree_s *stmt_tree; |
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281 | |
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282 | /* Global state pertinent to the current function. Some C dialects |
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283 | extend this structure with additional fields. */ |
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284 | |
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285 | struct language_function { |
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286 | /* While we are parsing the function, this contains information |
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287 | about the statement-tree that we are building. */ |
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288 | struct stmt_tree_s x_stmt_tree; |
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289 | /* The stack of SCOPE_STMTs for the current function. */ |
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290 | tree x_scope_stmt_stack; |
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291 | }; |
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292 | |
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293 | /* When building a statement-tree, this is the last statement added to |
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294 | the tree. */ |
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295 | |
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296 | #define last_tree (current_stmt_tree ()->x_last_stmt) |
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297 | |
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298 | /* The type of the last expression-statement we have seen. */ |
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299 | |
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300 | #define last_expr_type (current_stmt_tree ()->x_last_expr_type) |
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301 | |
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302 | /* The name of the last file we have seen. */ |
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303 | |
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304 | #define last_expr_filename (current_stmt_tree ()->x_last_expr_filename) |
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305 | |
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306 | /* LAST_TREE contains the last statement parsed. These are chained |
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307 | together through the TREE_CHAIN field, but often need to be |
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308 | re-organized since the parse is performed bottom-up. This macro |
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309 | makes LAST_TREE the indicated SUBSTMT of STMT. */ |
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310 | |
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311 | #define RECHAIN_STMTS(stmt, substmt) \ |
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312 | do { \ |
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313 | substmt = TREE_CHAIN (stmt); \ |
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314 | TREE_CHAIN (stmt) = NULL_TREE; \ |
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315 | last_tree = stmt; \ |
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316 | } while (0) |
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317 | |
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318 | /* Language-specific hooks. */ |
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319 | |
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320 | extern int (*lang_statement_code_p) PARAMS ((enum tree_code)); |
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321 | extern void (*lang_expand_stmt) PARAMS ((tree)); |
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322 | extern void (*lang_expand_decl_stmt) PARAMS ((tree)); |
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323 | extern void (*lang_expand_function_end) PARAMS ((void)); |
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324 | |
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325 | /* Callback that determines if it's ok for a function to have no |
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326 | noreturn attribute. */ |
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327 | extern int (*lang_missing_noreturn_ok_p) PARAMS ((tree)); |
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328 | |
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329 | |
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330 | extern stmt_tree current_stmt_tree PARAMS ((void)); |
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331 | extern tree *current_scope_stmt_stack PARAMS ((void)); |
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332 | extern void begin_stmt_tree PARAMS ((tree *)); |
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333 | extern tree add_stmt PARAMS ((tree)); |
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334 | extern void add_decl_stmt PARAMS ((tree)); |
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335 | extern tree add_scope_stmt PARAMS ((int, int)); |
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336 | extern void finish_stmt_tree PARAMS ((tree *)); |
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337 | |
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338 | extern int statement_code_p PARAMS ((enum tree_code)); |
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339 | extern tree walk_stmt_tree PARAMS ((tree *, |
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340 | walk_tree_fn, |
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341 | void *)); |
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342 | extern void prep_stmt PARAMS ((tree)); |
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343 | extern void expand_stmt PARAMS ((tree)); |
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344 | extern void mark_stmt_tree PARAMS ((void *)); |
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345 | extern void shadow_warning PARAMS ((const char *, |
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346 | tree, tree)); |
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347 | extern tree c_begin_if_stmt PARAMS ((void)); |
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348 | extern tree c_begin_while_stmt PARAMS ((void)); |
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349 | extern void c_finish_while_stmt_cond PARAMS ((tree, tree)); |
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350 | |
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351 | |
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352 | /* Extra information associated with a DECL. Other C dialects extend |
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353 | this structure in various ways. The C front-end only uses this |
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354 | structure for FUNCTION_DECLs; all other DECLs have a NULL |
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355 | DECL_LANG_SPECIFIC field. */ |
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356 | |
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357 | struct c_lang_decl { |
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358 | unsigned declared_inline : 1; |
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359 | }; |
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360 | |
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361 | /* In a FUNCTION_DECL for which DECL_BUILT_IN does not hold, this is |
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362 | the approximate number of statements in this function. There is |
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363 | no need for this number to be exact; it is only used in various |
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364 | heuristics regarding optimization. */ |
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365 | #define DECL_NUM_STMTS(NODE) \ |
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366 | (FUNCTION_DECL_CHECK (NODE)->decl.u1.i) |
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367 | |
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368 | extern void c_mark_lang_decl PARAMS ((struct c_lang_decl *)); |
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369 | |
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370 | /* The variant of the C language being processed. Each C language |
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371 | front-end defines this variable. */ |
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372 | |
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373 | extern c_language_kind c_language; |
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374 | |
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375 | /* Nonzero means give string constants the type `const char *', rather |
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376 | than `char *'. */ |
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377 | |
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378 | extern int flag_const_strings; |
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379 | |
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380 | /* Nonzero means give `double' the same size as `float'. */ |
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381 | |
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382 | extern int flag_short_double; |
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383 | |
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384 | /* Nonzero means give `wchar_t' the same size as `short'. */ |
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385 | |
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386 | extern int flag_short_wchar; |
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387 | |
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388 | /* Warn about *printf or *scanf format/argument anomalies. */ |
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389 | |
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390 | extern int warn_format; |
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391 | |
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392 | /* Warn about Y2K problems with strftime formats. */ |
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393 | |
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394 | extern int warn_format_y2k; |
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395 | |
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396 | /* Warn about excess arguments to formats. */ |
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397 | |
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398 | extern int warn_format_extra_args; |
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399 | |
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400 | /* Warn about non-literal format arguments. */ |
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401 | |
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402 | extern int warn_format_nonliteral; |
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403 | |
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404 | /* Warn about possible security problems with calls to format functions. */ |
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405 | |
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406 | extern int warn_format_security; |
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407 | |
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408 | /* Warn about possible violations of sequence point rules. */ |
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409 | |
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410 | extern int warn_sequence_point; |
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411 | |
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412 | /* Warn about functions which might be candidates for format attributes. */ |
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413 | |
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414 | extern int warn_missing_format_attribute; |
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415 | |
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416 | /* Nonzero means warn about sizeof (function) or addition/subtraction |
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417 | of function pointers. */ |
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418 | |
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419 | extern int warn_pointer_arith; |
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420 | |
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421 | /* Nonzero means to warn about compile-time division by zero. */ |
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422 | extern int warn_div_by_zero; |
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423 | |
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424 | /* Nonzero means do some things the same way PCC does. */ |
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425 | |
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426 | extern int flag_traditional; |
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427 | |
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428 | /* Nonzero means enable C89 Amendment 1 features. */ |
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429 | |
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430 | extern int flag_isoc94; |
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431 | |
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432 | /* Nonzero means use the ISO C99 dialect of C. */ |
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433 | |
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434 | extern int flag_isoc99; |
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435 | |
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436 | /* Nonzero means environment is hosted (i.e., not freestanding) */ |
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437 | |
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438 | extern int flag_hosted; |
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439 | |
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440 | /* Nonzero means add default format_arg attributes for functions not |
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441 | in ISO C. */ |
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442 | |
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443 | extern int flag_noniso_default_format_attributes; |
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444 | |
---|
445 | /* Nonzero means don't recognize any builtin functions. */ |
---|
446 | |
---|
447 | extern int flag_no_builtin; |
---|
448 | |
---|
449 | /* Nonzero means don't recognize the non-ANSI builtin functions. |
---|
450 | -ansi sets this. */ |
---|
451 | |
---|
452 | extern int flag_no_nonansi_builtin; |
---|
453 | |
---|
454 | /* Nonzero means warn about suggesting putting in ()'s. */ |
---|
455 | |
---|
456 | extern int warn_parentheses; |
---|
457 | |
---|
458 | /* Warn if a type conversion is done that might have confusing results. */ |
---|
459 | |
---|
460 | extern int warn_conversion; |
---|
461 | |
---|
462 | /* Nonzero means warn about usage of long long, |
---|
463 | when `-pedantic' and not C99. */ |
---|
464 | |
---|
465 | extern int warn_long_long; |
---|
466 | |
---|
467 | /* Nonzero means the expression being parsed will never be evaluated. |
---|
468 | This is a count, since unevaluated expressions can nest. */ |
---|
469 | |
---|
470 | extern int skip_evaluation; |
---|
471 | |
---|
472 | /* C types are partitioned into three subsets: object, function, and |
---|
473 | incomplete types. */ |
---|
474 | #define C_TYPE_OBJECT_P(type) \ |
---|
475 | (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type)) |
---|
476 | |
---|
477 | #define C_TYPE_INCOMPLETE_P(type) \ |
---|
478 | (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type) == 0) |
---|
479 | |
---|
480 | #define C_TYPE_FUNCTION_P(type) \ |
---|
481 | (TREE_CODE (type) == FUNCTION_TYPE) |
---|
482 | |
---|
483 | /* For convenience we define a single macro to identify the class of |
---|
484 | object or incomplete types. */ |
---|
485 | #define C_TYPE_OBJECT_OR_INCOMPLETE_P(type) \ |
---|
486 | (!C_TYPE_FUNCTION_P (type)) |
---|
487 | |
---|
488 | /* Record in each node resulting from a binary operator |
---|
489 | what operator was specified for it. */ |
---|
490 | #define C_EXP_ORIGINAL_CODE(exp) ((enum tree_code) TREE_COMPLEXITY (exp)) |
---|
491 | |
---|
492 | /* Pointer to function to lazily generate the VAR_DECL for __FUNCTION__ etc. |
---|
493 | ID is the identifier to use, NAME is the string. |
---|
494 | TYPE_DEP indicates whether it depends on type of the function or not |
---|
495 | (i.e. __PRETTY_FUNCTION__). */ |
---|
496 | |
---|
497 | extern tree (*make_fname_decl) PARAMS ((tree, int)); |
---|
498 | |
---|
499 | extern tree identifier_global_value PARAMS ((tree)); |
---|
500 | extern void record_builtin_type PARAMS ((enum rid, |
---|
501 | const char *, tree)); |
---|
502 | extern tree build_void_list_node PARAMS ((void)); |
---|
503 | extern void start_fname_decls PARAMS ((void)); |
---|
504 | extern void finish_fname_decls PARAMS ((void)); |
---|
505 | extern const char *fname_as_string PARAMS ((int)); |
---|
506 | extern tree fname_decl PARAMS ((unsigned, tree)); |
---|
507 | extern const char *fname_string PARAMS ((unsigned)); |
---|
508 | |
---|
509 | extern void check_function_format PARAMS ((int *, tree, tree)); |
---|
510 | extern void set_Wformat PARAMS ((int)); |
---|
511 | extern tree handle_format_attribute PARAMS ((tree *, tree, tree, |
---|
512 | int, bool *)); |
---|
513 | extern tree handle_format_arg_attribute PARAMS ((tree *, tree, tree, |
---|
514 | int, bool *)); |
---|
515 | extern void c_common_insert_default_attributes PARAMS ((tree)); |
---|
516 | extern void c_apply_type_quals_to_decl PARAMS ((int, tree)); |
---|
517 | extern tree c_sizeof PARAMS ((tree)); |
---|
518 | extern tree c_alignof PARAMS ((tree)); |
---|
519 | extern tree c_alignof_expr PARAMS ((tree)); |
---|
520 | /* Print an error message for invalid operands to arith operation CODE. |
---|
521 | NOP_EXPR is used as a special case (see truthvalue_conversion). */ |
---|
522 | extern void binary_op_error PARAMS ((enum tree_code)); |
---|
523 | extern tree c_expand_expr_stmt PARAMS ((tree)); |
---|
524 | extern void c_expand_start_cond PARAMS ((tree, int, tree)); |
---|
525 | extern void c_finish_then PARAMS ((void)); |
---|
526 | extern void c_expand_start_else PARAMS ((void)); |
---|
527 | extern void c_finish_else PARAMS ((void)); |
---|
528 | extern void c_expand_end_cond PARAMS ((void)); |
---|
529 | /* Validate the expression after `case' and apply default promotions. */ |
---|
530 | extern tree check_case_value PARAMS ((tree)); |
---|
531 | /* Concatenate a list of STRING_CST nodes into one STRING_CST. */ |
---|
532 | extern tree combine_strings PARAMS ((tree)); |
---|
533 | extern void constant_expression_warning PARAMS ((tree)); |
---|
534 | extern tree convert_and_check PARAMS ((tree, tree)); |
---|
535 | extern void overflow_warning PARAMS ((tree)); |
---|
536 | extern void unsigned_conversion_warning PARAMS ((tree, tree)); |
---|
537 | |
---|
538 | /* Read the rest of the current #-directive line. */ |
---|
539 | extern char *get_directive_line PARAMS ((void)); |
---|
540 | #define GET_DIRECTIVE_LINE() get_directive_line () |
---|
541 | |
---|
542 | /* Subroutine of build_binary_op, used for comparison operations. |
---|
543 | See if the operands have both been converted from subword integer types |
---|
544 | and, if so, perhaps change them both back to their original type. */ |
---|
545 | extern tree shorten_compare PARAMS ((tree *, tree *, tree *, enum tree_code *)); |
---|
546 | |
---|
547 | extern tree pointer_int_sum PARAMS ((enum tree_code, tree, tree)); |
---|
548 | extern unsigned int min_precision PARAMS ((tree, int)); |
---|
549 | |
---|
550 | /* Add qualifiers to a type, in the fashion for C. */ |
---|
551 | extern tree c_build_qualified_type PARAMS ((tree, int)); |
---|
552 | |
---|
553 | /* Build tree nodes and builtin functions common to both C and C++ language |
---|
554 | frontends. */ |
---|
555 | extern void c_common_nodes_and_builtins PARAMS ((void)); |
---|
556 | |
---|
557 | extern void disable_builtin_function PARAMS ((const char *)); |
---|
558 | |
---|
559 | extern tree build_va_arg PARAMS ((tree, tree)); |
---|
560 | |
---|
561 | extern void c_common_init_options PARAMS ((enum c_language_kind)); |
---|
562 | extern void c_common_post_options PARAMS ((void)); |
---|
563 | extern const char *c_common_init PARAMS ((const char *)); |
---|
564 | extern void c_common_finish PARAMS ((void)); |
---|
565 | extern HOST_WIDE_INT c_common_get_alias_set PARAMS ((tree)); |
---|
566 | extern bool c_promoting_integer_type_p PARAMS ((tree)); |
---|
567 | extern int self_promoting_args_p PARAMS ((tree)); |
---|
568 | extern tree simple_type_promotes_to PARAMS ((tree)); |
---|
569 | extern tree strip_array_types PARAMS ((tree)); |
---|
570 | |
---|
571 | /* These macros provide convenient access to the various _STMT nodes. */ |
---|
572 | |
---|
573 | /* Nonzero if this statement should be considered a full-expression, |
---|
574 | i.e., if temporaries created during this statement should have |
---|
575 | their destructors run at the end of this statement. (In C, this |
---|
576 | will always be false, since there are no destructors.) */ |
---|
577 | #define STMT_IS_FULL_EXPR_P(NODE) TREE_LANG_FLAG_1 ((NODE)) |
---|
578 | |
---|
579 | /* IF_STMT accessors. These give access to the condition of the if |
---|
580 | statement, the then block of the if statement, and the else block |
---|
581 | of the if statement if it exists. */ |
---|
582 | #define IF_COND(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 0) |
---|
583 | #define THEN_CLAUSE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 1) |
---|
584 | #define ELSE_CLAUSE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 2) |
---|
585 | |
---|
586 | /* WHILE_STMT accessors. These give access to the condition of the |
---|
587 | while statement and the body of the while statement, respectively. */ |
---|
588 | #define WHILE_COND(NODE) TREE_OPERAND (WHILE_STMT_CHECK (NODE), 0) |
---|
589 | #define WHILE_BODY(NODE) TREE_OPERAND (WHILE_STMT_CHECK (NODE), 1) |
---|
590 | |
---|
591 | /* DO_STMT accessors. These give access to the condition of the do |
---|
592 | statement and the body of the do statement, respectively. */ |
---|
593 | #define DO_COND(NODE) TREE_OPERAND (DO_STMT_CHECK (NODE), 0) |
---|
594 | #define DO_BODY(NODE) TREE_OPERAND (DO_STMT_CHECK (NODE), 1) |
---|
595 | |
---|
596 | /* RETURN_STMT accessors. These give the expression associated with a |
---|
597 | return statement, and whether it should be ignored when expanding |
---|
598 | (as opposed to inlining). */ |
---|
599 | #define RETURN_EXPR(NODE) TREE_OPERAND (RETURN_STMT_CHECK (NODE), 0) |
---|
600 | |
---|
601 | /* EXPR_STMT accessor. This gives the expression associated with an |
---|
602 | expression statement. */ |
---|
603 | #define EXPR_STMT_EXPR(NODE) TREE_OPERAND (EXPR_STMT_CHECK (NODE), 0) |
---|
604 | |
---|
605 | /* FOR_STMT accessors. These give access to the init statement, |
---|
606 | condition, update expression, and body of the for statement, |
---|
607 | respectively. */ |
---|
608 | #define FOR_INIT_STMT(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 0) |
---|
609 | #define FOR_COND(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 1) |
---|
610 | #define FOR_EXPR(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 2) |
---|
611 | #define FOR_BODY(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 3) |
---|
612 | |
---|
613 | /* SWITCH_STMT accessors. These give access to the condition, body and |
---|
614 | original condition type (before any compiler conversions) |
---|
615 | of the switch statement, respectively. */ |
---|
616 | #define SWITCH_COND(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 0) |
---|
617 | #define SWITCH_BODY(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 1) |
---|
618 | #define SWITCH_TYPE(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 2) |
---|
619 | |
---|
620 | /* CASE_LABEL accessors. These give access to the high and low values |
---|
621 | of a case label, respectively. */ |
---|
622 | #define CASE_LOW(NODE) TREE_OPERAND (CASE_LABEL_CHECK (NODE), 0) |
---|
623 | #define CASE_HIGH(NODE) TREE_OPERAND (CASE_LABEL_CHECK (NODE), 1) |
---|
624 | #define CASE_LABEL_DECL(NODE) TREE_OPERAND (CASE_LABEL_CHECK (NODE), 2) |
---|
625 | |
---|
626 | /* GOTO_STMT accessor. This gives access to the label associated with |
---|
627 | a goto statement. */ |
---|
628 | #define GOTO_DESTINATION(NODE) TREE_OPERAND (GOTO_STMT_CHECK (NODE), 0) |
---|
629 | /* True for goto created artifically by the compiler. */ |
---|
630 | #define GOTO_FAKE_P(NODE) (TREE_LANG_FLAG_0 (GOTO_STMT_CHECK (NODE))) |
---|
631 | |
---|
632 | /* COMPOUND_STMT accessor. This gives access to the TREE_LIST of |
---|
633 | statements associated with a compound statement. The result is the |
---|
634 | first statement in the list. Succeeding nodes can be accessed by |
---|
635 | calling TREE_CHAIN on a node in the list. */ |
---|
636 | #define COMPOUND_BODY(NODE) TREE_OPERAND (COMPOUND_STMT_CHECK (NODE), 0) |
---|
637 | |
---|
638 | /* ASM_STMT accessors. ASM_STRING returns a STRING_CST for the |
---|
639 | instruction (e.g., "mov x, y"). ASM_OUTPUTS, ASM_INPUTS, and |
---|
640 | ASM_CLOBBERS represent the outputs, inputs, and clobbers for the |
---|
641 | statement. */ |
---|
642 | #define ASM_CV_QUAL(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 0) |
---|
643 | #define ASM_STRING(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 1) |
---|
644 | #define ASM_OUTPUTS(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 2) |
---|
645 | #define ASM_INPUTS(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 3) |
---|
646 | #define ASM_CLOBBERS(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 4) |
---|
647 | |
---|
648 | /* DECL_STMT accessor. This gives access to the DECL associated with |
---|
649 | the given declaration statement. */ |
---|
650 | #define DECL_STMT_DECL(NODE) TREE_OPERAND (DECL_STMT_CHECK (NODE), 0) |
---|
651 | |
---|
652 | /* STMT_EXPR accessor. */ |
---|
653 | #define STMT_EXPR_STMT(NODE) TREE_OPERAND (STMT_EXPR_CHECK (NODE), 0) |
---|
654 | |
---|
655 | /* Nonzero if this statement-expression does not have an associated scope. */ |
---|
656 | #define STMT_EXPR_NO_SCOPE(NODE) \ |
---|
657 | TREE_LANG_FLAG_0 (STMT_EXPR_CHECK (NODE)) |
---|
658 | |
---|
659 | /* LABEL_STMT accessor. This gives access to the label associated with |
---|
660 | the given label statement. */ |
---|
661 | #define LABEL_STMT_LABEL(NODE) TREE_OPERAND (LABEL_STMT_CHECK (NODE), 0) |
---|
662 | |
---|
663 | /* COMPOUND_LITERAL_EXPR accessors. */ |
---|
664 | #define COMPOUND_LITERAL_EXPR_DECL_STMT(NODE) \ |
---|
665 | TREE_OPERAND (COMPOUND_LITERAL_EXPR_CHECK (NODE), 0) |
---|
666 | #define COMPOUND_LITERAL_EXPR_DECL(NODE) \ |
---|
667 | DECL_STMT_DECL (COMPOUND_LITERAL_EXPR_DECL_STMT (NODE)) |
---|
668 | |
---|
669 | /* Nonzero if this SCOPE_STMT is for the beginning of a scope. */ |
---|
670 | #define SCOPE_BEGIN_P(NODE) \ |
---|
671 | (TREE_LANG_FLAG_0 (SCOPE_STMT_CHECK (NODE))) |
---|
672 | |
---|
673 | /* Nonzero if this SCOPE_STMT is for the end of a scope. */ |
---|
674 | #define SCOPE_END_P(NODE) \ |
---|
675 | (!SCOPE_BEGIN_P (SCOPE_STMT_CHECK (NODE))) |
---|
676 | |
---|
677 | /* The BLOCK containing the declarations contained in this scope. */ |
---|
678 | #define SCOPE_STMT_BLOCK(NODE) \ |
---|
679 | (TREE_OPERAND (SCOPE_STMT_CHECK (NODE), 0)) |
---|
680 | |
---|
681 | /* Nonzero for a SCOPE_STMT if there were no variables in this scope. */ |
---|
682 | #define SCOPE_NULLIFIED_P(NODE) \ |
---|
683 | (SCOPE_STMT_BLOCK ((NODE)) == NULL_TREE) |
---|
684 | |
---|
685 | /* Nonzero for a SCOPE_STMT which represents a lexical scope, but |
---|
686 | which should be treated as non-existent from the point of view of |
---|
687 | running cleanup actions. */ |
---|
688 | #define SCOPE_NO_CLEANUPS_P(NODE) \ |
---|
689 | (TREE_LANG_FLAG_3 (SCOPE_STMT_CHECK (NODE))) |
---|
690 | |
---|
691 | /* Nonzero for a SCOPE_STMT if this statement is for a partial scope. |
---|
692 | For example, in: |
---|
693 | |
---|
694 | S s; |
---|
695 | l: |
---|
696 | S s2; |
---|
697 | goto l; |
---|
698 | |
---|
699 | there is (implicitly) a new scope after `l', even though there are |
---|
700 | no curly braces. In particular, when we hit the goto, we must |
---|
701 | destroy s2 and then re-construct it. For the implicit scope, |
---|
702 | SCOPE_PARTIAL_P will be set. */ |
---|
703 | #define SCOPE_PARTIAL_P(NODE) \ |
---|
704 | (TREE_LANG_FLAG_4 (SCOPE_STMT_CHECK (NODE))) |
---|
705 | |
---|
706 | /* Nonzero for an ASM_STMT if the assembly statement is volatile. */ |
---|
707 | #define ASM_VOLATILE_P(NODE) \ |
---|
708 | (ASM_CV_QUAL (ASM_STMT_CHECK (NODE)) != NULL_TREE) |
---|
709 | |
---|
710 | /* The VAR_DECL to clean up in a CLEANUP_STMT. */ |
---|
711 | #define CLEANUP_DECL(NODE) \ |
---|
712 | TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 0) |
---|
713 | /* The cleanup to run in a CLEANUP_STMT. */ |
---|
714 | #define CLEANUP_EXPR(NODE) \ |
---|
715 | TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 1) |
---|
716 | |
---|
717 | /* The filename we are changing to as of this FILE_STMT. */ |
---|
718 | #define FILE_STMT_FILENAME_NODE(NODE) \ |
---|
719 | (TREE_OPERAND (FILE_STMT_CHECK (NODE), 0)) |
---|
720 | #define FILE_STMT_FILENAME(NODE) \ |
---|
721 | (IDENTIFIER_POINTER (FILE_STMT_FILENAME_NODE (NODE))) |
---|
722 | |
---|
723 | /* The line-number at which a statement began. But if |
---|
724 | STMT_LINENO_FOR_FN_P does holds, then this macro gives the |
---|
725 | line number for the end of the current function instead. */ |
---|
726 | #define STMT_LINENO(NODE) \ |
---|
727 | (TREE_COMPLEXITY ((NODE))) |
---|
728 | |
---|
729 | /* If non-zero, the STMT_LINENO for NODE is the line at which the |
---|
730 | function ended. */ |
---|
731 | #define STMT_LINENO_FOR_FN_P(NODE) \ |
---|
732 | (TREE_LANG_FLAG_2 ((NODE))) |
---|
733 | |
---|
734 | /* Nonzero if we want the new ISO rules for pushing a new scope for `for' |
---|
735 | initialization variables. */ |
---|
736 | #define NEW_FOR_SCOPE_P(NODE) (TREE_LANG_FLAG_0 (NODE)) |
---|
737 | |
---|
738 | /* Nonzero if we want to create an ASM_INPUT instead of an |
---|
739 | ASM_OPERAND with no operands. */ |
---|
740 | #define ASM_INPUT_P(NODE) (TREE_LANG_FLAG_0 (NODE)) |
---|
741 | |
---|
742 | #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) SYM, |
---|
743 | |
---|
744 | enum c_tree_code { |
---|
745 | C_DUMMY_TREE_CODE = LAST_AND_UNUSED_TREE_CODE, |
---|
746 | #include "c-common.def" |
---|
747 | LAST_C_TREE_CODE |
---|
748 | }; |
---|
749 | |
---|
750 | #undef DEFTREECODE |
---|
751 | |
---|
752 | extern void add_c_tree_codes PARAMS ((void)); |
---|
753 | extern void genrtl_do_pushlevel PARAMS ((void)); |
---|
754 | extern void genrtl_goto_stmt PARAMS ((tree)); |
---|
755 | extern void genrtl_expr_stmt PARAMS ((tree)); |
---|
756 | extern void genrtl_expr_stmt_value PARAMS ((tree, int, int)); |
---|
757 | extern void genrtl_decl_stmt PARAMS ((tree)); |
---|
758 | extern void genrtl_if_stmt PARAMS ((tree)); |
---|
759 | extern void genrtl_while_stmt PARAMS ((tree)); |
---|
760 | extern void genrtl_do_stmt PARAMS ((tree)); |
---|
761 | extern void genrtl_return_stmt PARAMS ((tree)); |
---|
762 | extern void genrtl_for_stmt PARAMS ((tree)); |
---|
763 | extern void genrtl_break_stmt PARAMS ((void)); |
---|
764 | extern void genrtl_continue_stmt PARAMS ((void)); |
---|
765 | extern void genrtl_scope_stmt PARAMS ((tree)); |
---|
766 | extern void genrtl_switch_stmt PARAMS ((tree)); |
---|
767 | extern void genrtl_case_label PARAMS ((tree)); |
---|
768 | extern void genrtl_compound_stmt PARAMS ((tree)); |
---|
769 | extern void genrtl_asm_stmt PARAMS ((tree, tree, |
---|
770 | tree, tree, |
---|
771 | tree, int)); |
---|
772 | extern void genrtl_decl_cleanup PARAMS ((tree)); |
---|
773 | extern int stmts_are_full_exprs_p PARAMS ((void)); |
---|
774 | extern int anon_aggr_type_p PARAMS ((tree)); |
---|
775 | |
---|
776 | /* For a VAR_DECL that is an anonymous union, these are the various |
---|
777 | sub-variables that make up the anonymous union. */ |
---|
778 | #define DECL_ANON_UNION_ELEMS(NODE) DECL_ARGUMENTS ((NODE)) |
---|
779 | |
---|
780 | /* In a FIELD_DECL, nonzero if the decl was originally a bitfield. */ |
---|
781 | #define DECL_C_BIT_FIELD(NODE) \ |
---|
782 | (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) == 1) |
---|
783 | #define SET_DECL_C_BIT_FIELD(NODE) \ |
---|
784 | (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 1) |
---|
785 | #define CLEAR_DECL_C_BIT_FIELD(NODE) \ |
---|
786 | (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 0) |
---|
787 | |
---|
788 | /* In a VAR_DECL, nonzero if the decl is a register variable with |
---|
789 | an explicit asm specification. */ |
---|
790 | #define DECL_C_HARD_REGISTER(DECL) DECL_LANG_FLAG_4 (VAR_DECL_CHECK (DECL)) |
---|
791 | |
---|
792 | extern void emit_local_var PARAMS ((tree)); |
---|
793 | extern void make_rtl_for_local_static PARAMS ((tree)); |
---|
794 | extern tree expand_cond PARAMS ((tree)); |
---|
795 | extern tree c_expand_return PARAMS ((tree)); |
---|
796 | extern tree do_case PARAMS ((tree, tree)); |
---|
797 | extern tree build_stmt PARAMS ((enum tree_code, ...)); |
---|
798 | extern tree build_case_label PARAMS ((tree, tree, tree)); |
---|
799 | extern tree build_continue_stmt PARAMS ((void)); |
---|
800 | extern tree build_break_stmt PARAMS ((void)); |
---|
801 | extern tree build_return_stmt PARAMS ((tree)); |
---|
802 | |
---|
803 | #define COMPOUND_STMT_NO_SCOPE(NODE) TREE_LANG_FLAG_0 (NODE) |
---|
804 | |
---|
805 | /* Used by the C++ frontend to mark the block around the member |
---|
806 | initializers and cleanups. */ |
---|
807 | #define COMPOUND_STMT_BODY_BLOCK(NODE) TREE_LANG_FLAG_3 (NODE) |
---|
808 | |
---|
809 | extern void c_expand_asm_operands PARAMS ((tree, tree, tree, tree, int, const char *, int)); |
---|
810 | |
---|
811 | /* These functions must be defined by each front-end which implements |
---|
812 | a variant of the C language. They are used in c-common.c. */ |
---|
813 | |
---|
814 | extern tree build_unary_op PARAMS ((enum tree_code, |
---|
815 | tree, int)); |
---|
816 | extern tree build_binary_op PARAMS ((enum tree_code, |
---|
817 | tree, tree, int)); |
---|
818 | extern int lvalue_p PARAMS ((tree)); |
---|
819 | extern tree default_conversion PARAMS ((tree)); |
---|
820 | |
---|
821 | /* Given two integer or real types, return the type for their sum. |
---|
822 | Given two compatible ANSI C types, returns the merged type. */ |
---|
823 | |
---|
824 | extern tree common_type PARAMS ((tree, tree)); |
---|
825 | |
---|
826 | extern tree expand_tree_builtin PARAMS ((tree, tree, tree)); |
---|
827 | |
---|
828 | extern tree decl_constant_value PARAMS ((tree)); |
---|
829 | |
---|
830 | /* Handle increment and decrement of boolean types. */ |
---|
831 | extern tree boolean_increment PARAMS ((enum tree_code, |
---|
832 | tree)); |
---|
833 | |
---|
834 | /* Hook currently used only by the C++ front end to reset internal state |
---|
835 | after entering or leaving a header file. */ |
---|
836 | extern void extract_interface_info PARAMS ((void)); |
---|
837 | |
---|
838 | extern void mark_c_language_function PARAMS ((struct language_function *)); |
---|
839 | |
---|
840 | extern int case_compare PARAMS ((splay_tree_key, |
---|
841 | splay_tree_key)); |
---|
842 | |
---|
843 | extern tree c_add_case_label PARAMS ((splay_tree, |
---|
844 | tree, tree, |
---|
845 | tree)); |
---|
846 | |
---|
847 | extern tree build_function_call PARAMS ((tree, tree)); |
---|
848 | |
---|
849 | extern tree finish_label_address_expr PARAMS ((tree)); |
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850 | |
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851 | /* Same function prototype, but the C and C++ front ends have |
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852 | different implementations. Used in c-common.c. */ |
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853 | extern tree lookup_label PARAMS ((tree)); |
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854 | |
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855 | /* enum expand_modified is in expr.h, as is the macro below. */ |
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856 | |
---|
857 | #ifdef QUEUED_VAR |
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858 | extern rtx c_expand_expr PARAMS ((tree, rtx, enum machine_mode, |
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859 | enum expand_modifier)); |
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860 | #endif |
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861 | |
---|
862 | extern int c_safe_from_p PARAMS ((rtx, tree)); |
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863 | |
---|
864 | extern int c_staticp PARAMS ((tree)); |
---|
865 | |
---|
866 | extern int c_unsafe_for_reeval PARAMS ((tree)); |
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867 | |
---|
868 | /* Information recorded about each file examined during compilation. */ |
---|
869 | |
---|
870 | struct c_fileinfo |
---|
871 | { |
---|
872 | int time; /* Time spent in the file. */ |
---|
873 | short interface_only; /* Flags - used only by C++ */ |
---|
874 | short interface_unknown; |
---|
875 | }; |
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876 | |
---|
877 | struct c_fileinfo *get_fileinfo PARAMS ((const char *)); |
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878 | extern void dump_time_statistics PARAMS ((void)); |
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879 | |
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880 | #endif /* ! GCC_C_COMMON_H */ |
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