Mercurial > projects > ldc
annotate dmd2/template.h @ 1514:7a528017b4c6
Don't initialize arrays of (arrays of...) void-initialized typedefs.
author | Frits van Bommel <fvbommel wxs.nl> |
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date | Wed, 24 Jun 2009 17:14:50 +0200 |
parents | 638d16625da2 |
children | 54b3c1394d62 |
rev | line source |
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1452
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1 |
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2 // Compiler implementation of the D programming language |
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3 // Copyright (c) 1999-2009 by Digital Mars |
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4 // All Rights Reserved |
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5 // written by Walter Bright |
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6 // http://www.digitalmars.com |
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7 // License for redistribution is by either the Artistic License |
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8 // in artistic.txt, or the GNU General Public License in gnu.txt. |
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9 // See the included readme.txt for details. |
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10 |
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11 #ifndef DMD_TEMPLATE_H |
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12 #define DMD_TEMPLATE_H |
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13 |
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14 #ifdef __DMC__ |
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15 #pragma once |
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16 #endif /* __DMC__ */ |
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17 #if IN_LLVM |
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18 #include <string> |
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19 #endif |
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20 #include "root.h" |
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21 #include "arraytypes.h" |
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22 #include "dsymbol.h" |
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23 #if IN_LLVM |
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24 #include "mtype.h" |
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25 #endif |
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26 |
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27 struct OutBuffer; |
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28 struct Identifier; |
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29 struct TemplateInstance; |
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30 struct TemplateParameter; |
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31 struct TemplateTypeParameter; |
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32 struct TemplateThisParameter; |
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33 struct TemplateValueParameter; |
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34 struct TemplateAliasParameter; |
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35 struct TemplateTupleParameter; |
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36 struct Type; |
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37 struct TypeTypeof; |
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38 struct Scope; |
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39 struct Expression; |
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40 struct AliasDeclaration; |
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41 struct FuncDeclaration; |
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42 struct HdrGenState; |
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43 enum MATCH; |
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44 |
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45 struct Tuple : Object |
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46 { |
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47 Objects objects; |
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48 |
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49 int dyncast() { return DYNCAST_TUPLE; } // kludge for template.isType() |
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50 }; |
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51 |
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52 |
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53 struct TemplateDeclaration : ScopeDsymbol |
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54 { |
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55 TemplateParameters *parameters; // array of TemplateParameter's |
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56 |
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57 TemplateParameters *origParameters; // originals for Ddoc |
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58 Expression *constraint; |
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59 Array instances; // array of TemplateInstance's |
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60 |
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61 TemplateDeclaration *overnext; // next overloaded TemplateDeclaration |
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62 TemplateDeclaration *overroot; // first in overnext list |
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63 |
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64 Scope *scope; |
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65 Dsymbol *onemember; // if !=NULL then one member of this template |
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66 |
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67 int literal; // this template declaration is a literal |
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68 |
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69 TemplateDeclaration(Loc loc, Identifier *id, TemplateParameters *parameters, |
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70 Expression *constraint, Array *decldefs); |
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71 Dsymbol *syntaxCopy(Dsymbol *); |
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72 void semantic(Scope *sc); |
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73 int overloadInsert(Dsymbol *s); |
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74 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); |
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75 const char *kind(); |
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76 char *toChars(); |
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77 |
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78 void emitComment(Scope *sc); |
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79 // void toDocBuffer(OutBuffer *buf); |
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80 |
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81 MATCH matchWithInstance(TemplateInstance *ti, Objects *atypes, int flag); |
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82 MATCH leastAsSpecialized(TemplateDeclaration *td2); |
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83 |
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84 MATCH deduceFunctionTemplateMatch(Loc loc, Objects *targsi, Expression *ethis, Expressions *fargs, Objects *dedargs); |
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85 FuncDeclaration *deduceFunctionTemplate(Scope *sc, Loc loc, Objects *targsi, Expression *ethis, Expressions *fargs, int flags = 0); |
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86 void declareParameter(Scope *sc, TemplateParameter *tp, Object *o); |
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87 |
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88 TemplateDeclaration *isTemplateDeclaration() { return this; } |
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89 |
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90 TemplateTupleParameter *isVariadic(); |
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91 int isOverloadable(); |
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92 |
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93 #if IN_LLVM |
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94 // LDC |
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95 std::string intrinsicName; |
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96 #endif |
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97 }; |
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98 |
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99 struct TemplateParameter |
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100 { |
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101 /* For type-parameter: |
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102 * template Foo(ident) // specType is set to NULL |
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103 * template Foo(ident : specType) |
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104 * For value-parameter: |
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105 * template Foo(valType ident) // specValue is set to NULL |
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106 * template Foo(valType ident : specValue) |
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107 * For alias-parameter: |
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108 * template Foo(alias ident) |
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109 * For this-parameter: |
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110 * template Foo(this ident) |
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111 */ |
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112 |
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113 Loc loc; |
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114 Identifier *ident; |
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115 |
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116 Declaration *sparam; |
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117 |
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118 TemplateParameter(Loc loc, Identifier *ident); |
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119 |
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120 virtual TemplateTypeParameter *isTemplateTypeParameter(); |
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121 virtual TemplateValueParameter *isTemplateValueParameter(); |
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122 virtual TemplateAliasParameter *isTemplateAliasParameter(); |
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123 #if DMDV2 |
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124 virtual TemplateThisParameter *isTemplateThisParameter(); |
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125 #endif |
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126 virtual TemplateTupleParameter *isTemplateTupleParameter(); |
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127 |
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128 virtual TemplateParameter *syntaxCopy() = 0; |
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129 virtual void declareParameter(Scope *sc) = 0; |
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130 virtual void semantic(Scope *) = 0; |
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131 virtual void print(Object *oarg, Object *oded) = 0; |
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132 virtual void toCBuffer(OutBuffer *buf, HdrGenState *hgs) = 0; |
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133 virtual Object *specialization() = 0; |
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134 virtual Object *defaultArg(Loc loc, Scope *sc) = 0; |
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135 |
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136 /* If TemplateParameter's match as far as overloading goes. |
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137 */ |
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138 virtual int overloadMatch(TemplateParameter *) = 0; |
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139 |
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140 /* Match actual argument against parameter. |
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141 */ |
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142 virtual MATCH matchArg(Scope *sc, Objects *tiargs, int i, TemplateParameters *parameters, Objects *dedtypes, Declaration **psparam, int flags = 0) = 0; |
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143 |
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144 /* Create dummy argument based on parameter. |
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145 */ |
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146 virtual void *dummyArg() = 0; |
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147 }; |
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148 |
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149 struct TemplateTypeParameter : TemplateParameter |
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150 { |
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151 /* Syntax: |
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152 * ident : specType = defaultType |
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153 */ |
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154 Type *specType; // type parameter: if !=NULL, this is the type specialization |
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155 Type *defaultType; |
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156 |
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157 TemplateTypeParameter(Loc loc, Identifier *ident, Type *specType, Type *defaultType); |
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158 |
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159 TemplateTypeParameter *isTemplateTypeParameter(); |
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160 TemplateParameter *syntaxCopy(); |
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161 void declareParameter(Scope *sc); |
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162 void semantic(Scope *); |
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163 void print(Object *oarg, Object *oded); |
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164 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); |
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165 Object *specialization(); |
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166 Object *defaultArg(Loc loc, Scope *sc); |
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167 int overloadMatch(TemplateParameter *); |
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168 MATCH matchArg(Scope *sc, Objects *tiargs, int i, TemplateParameters *parameters, Objects *dedtypes, Declaration **psparam, int flags); |
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169 void *dummyArg(); |
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170 }; |
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171 |
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172 #if DMDV2 |
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173 struct TemplateThisParameter : TemplateTypeParameter |
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174 { |
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175 /* Syntax: |
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176 * this ident : specType = defaultType |
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177 */ |
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178 Type *specType; // type parameter: if !=NULL, this is the type specialization |
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179 Type *defaultType; |
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180 |
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181 TemplateThisParameter(Loc loc, Identifier *ident, Type *specType, Type *defaultType); |
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182 |
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183 TemplateThisParameter *isTemplateThisParameter(); |
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184 TemplateParameter *syntaxCopy(); |
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185 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); |
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186 }; |
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187 #endif |
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188 |
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189 struct TemplateValueParameter : TemplateParameter |
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190 { |
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191 /* Syntax: |
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192 * valType ident : specValue = defaultValue |
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193 */ |
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194 |
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195 Type *valType; |
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196 Expression *specValue; |
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197 Expression *defaultValue; |
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198 |
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199 static Expression *edummy; |
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200 |
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201 TemplateValueParameter(Loc loc, Identifier *ident, Type *valType, Expression *specValue, Expression *defaultValue); |
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202 |
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203 TemplateValueParameter *isTemplateValueParameter(); |
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204 TemplateParameter *syntaxCopy(); |
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205 void declareParameter(Scope *sc); |
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206 void semantic(Scope *); |
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207 void print(Object *oarg, Object *oded); |
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208 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); |
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209 Object *specialization(); |
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210 Object *defaultArg(Loc loc, Scope *sc); |
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211 int overloadMatch(TemplateParameter *); |
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212 MATCH matchArg(Scope *sc, Objects *tiargs, int i, TemplateParameters *parameters, Objects *dedtypes, Declaration **psparam, int flags); |
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213 void *dummyArg(); |
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214 }; |
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215 |
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216 struct TemplateAliasParameter : TemplateParameter |
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217 { |
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218 /* Syntax: |
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219 * specType ident : specAlias = defaultAlias |
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220 */ |
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221 |
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222 Type *specType; |
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223 Object *specAlias; |
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224 Object *defaultAlias; |
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225 |
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226 static Dsymbol *sdummy; |
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227 |
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228 TemplateAliasParameter(Loc loc, Identifier *ident, Type *specType, Object *specAlias, Object *defaultAlias); |
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229 |
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230 TemplateAliasParameter *isTemplateAliasParameter(); |
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231 TemplateParameter *syntaxCopy(); |
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232 void declareParameter(Scope *sc); |
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233 void semantic(Scope *); |
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234 void print(Object *oarg, Object *oded); |
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235 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); |
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236 Object *specialization(); |
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237 Object *defaultArg(Loc loc, Scope *sc); |
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238 int overloadMatch(TemplateParameter *); |
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239 MATCH matchArg(Scope *sc, Objects *tiargs, int i, TemplateParameters *parameters, Objects *dedtypes, Declaration **psparam, int flags); |
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240 void *dummyArg(); |
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241 }; |
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242 |
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243 struct TemplateTupleParameter : TemplateParameter |
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244 { |
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|
245 /* Syntax: |
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246 * ident ... |
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247 */ |
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248 |
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249 TemplateTupleParameter(Loc loc, Identifier *ident); |
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250 |
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251 TemplateTupleParameter *isTemplateTupleParameter(); |
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252 TemplateParameter *syntaxCopy(); |
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253 void declareParameter(Scope *sc); |
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254 void semantic(Scope *); |
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255 void print(Object *oarg, Object *oded); |
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256 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); |
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|
257 Object *specialization(); |
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258 Object *defaultArg(Loc loc, Scope *sc); |
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259 int overloadMatch(TemplateParameter *); |
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260 MATCH matchArg(Scope *sc, Objects *tiargs, int i, TemplateParameters *parameters, Objects *dedtypes, Declaration **psparam, int flags); |
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261 void *dummyArg(); |
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262 }; |
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263 |
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264 struct TemplateInstance : ScopeDsymbol |
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265 { |
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266 /* Given: |
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267 * foo!(args) => |
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268 * name = foo |
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269 * tiargs = args |
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270 */ |
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271 Identifier *name; |
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272 //Array idents; |
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273 Objects *tiargs; // Array of Types/Expressions of template |
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274 // instance arguments [int*, char, 10*10] |
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275 |
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276 Objects tdtypes; // Array of Types/Expressions corresponding |
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277 // to TemplateDeclaration.parameters |
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278 // [int, char, 100] |
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279 |
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280 TemplateDeclaration *tempdecl; // referenced by foo.bar.abc |
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281 TemplateInstance *inst; // refer to existing instance |
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282 TemplateInstance *tinst; // enclosing template instance |
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283 ScopeDsymbol *argsym; // argument symbol table |
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284 AliasDeclaration *aliasdecl; // !=NULL if instance is an alias for its |
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285 // sole member |
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286 WithScopeSymbol *withsym; // if a member of a with statement |
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287 int semanticdone; // has semantic() been done? |
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288 int semantictiargsdone; // has semanticTiargs() been done? |
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289 int nest; // for recursion detection |
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290 int havetempdecl; // 1 if used second constructor |
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291 Dsymbol *isnested; // if referencing local symbols, this is the context |
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292 int errors; // 1 if compiled with errors |
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293 #ifdef IN_GCC |
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294 /* On some targets, it is necessary to know whether a symbol |
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295 will be emitted in the output or not before the symbol |
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296 is used. This can be different from getModule(). */ |
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297 Module * objFileModule; |
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298 #endif |
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299 |
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300 TemplateInstance(Loc loc, Identifier *temp_id); |
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301 TemplateInstance(Loc loc, TemplateDeclaration *tempdecl, Objects *tiargs); |
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302 static Objects *arraySyntaxCopy(Objects *objs); |
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303 Dsymbol *syntaxCopy(Dsymbol *); |
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304 void semantic(Scope *sc); |
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305 void semantic2(Scope *sc); |
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306 void semantic3(Scope *sc); |
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307 void inlineScan(); |
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308 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); |
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309 Dsymbol *toAlias(); // resolve real symbol |
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310 const char *kind(); |
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311 int oneMember(Dsymbol **ps); |
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312 char *toChars(); |
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313 char *mangle(); |
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314 void printInstantiationTrace(); |
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315 |
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316 #if IN_DMD |
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317 void toObjFile(int multiobj); // compile to .obj file |
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318 #endif |
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319 |
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320 // Internal |
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321 static void semanticTiargs(Loc loc, Scope *sc, Objects *tiargs, int flags); |
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322 void semanticTiargs(Scope *sc); |
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323 TemplateDeclaration *findTemplateDeclaration(Scope *sc); |
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324 TemplateDeclaration *findBestMatch(Scope *sc); |
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325 void declareParameters(Scope *sc); |
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326 int hasNestedArgs(Objects *tiargs); |
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327 Identifier *genIdent(); |
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328 |
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329 TemplateInstance *isTemplateInstance() { return this; } |
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330 AliasDeclaration *isAliasDeclaration(); |
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331 |
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332 #if IN_LLVM |
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333 // LDC |
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334 Module* tmodule; // module from outermost enclosing template instantiation |
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335 Module* emittedInModule; // which module this template instance has been emitted in |
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336 |
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337 void codegen(Ir*); |
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338 #endif |
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339 }; |
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340 |
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341 struct TemplateMixin : TemplateInstance |
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342 { |
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343 Array *idents; |
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344 Type *tqual; |
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345 |
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346 Scope *scope; // for forward referencing |
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347 |
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348 TemplateMixin(Loc loc, Identifier *ident, Type *tqual, Array *idents, Objects *tiargs); |
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349 Dsymbol *syntaxCopy(Dsymbol *s); |
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350 void semantic(Scope *sc); |
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351 void semantic2(Scope *sc); |
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352 void semantic3(Scope *sc); |
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353 void inlineScan(); |
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354 const char *kind(); |
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355 int oneMember(Dsymbol **ps); |
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356 int hasPointers(); |
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357 char *toChars(); |
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358 char *mangle(); |
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359 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); |
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360 |
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361 #if IN_DMD |
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362 void toObjFile(int multiobj); // compile to .obj file |
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363 #endif |
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364 |
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365 TemplateMixin *isTemplateMixin() { return this; } |
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366 |
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367 #if IN_LLVM |
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368 void codegen(Ir*); |
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369 #endif |
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370 }; |
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371 |
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372 Expression *isExpression(Object *o); |
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373 Dsymbol *isDsymbol(Object *o); |
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374 Type *isType(Object *o); |
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375 Tuple *isTuple(Object *o); |
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376 Type *getType(Object *o); |
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377 Dsymbol *getDsymbol(Object *o); |
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378 |
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379 void ObjectToCBuffer(OutBuffer *buf, HdrGenState *hgs, Object *oarg); |
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380 |
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381 #endif /* DMD_TEMPLATE_H */ |