Mercurial > projects > ldc
annotate dmd2/template.h @ 1650:40bd4a0d4870
Update to work with LLVM 2.7.
Removed use of dyn_cast, llvm no compiles
without exceptions and rtti by
default. We do need exceptions for the libconfig stuff, but rtti isn't
necessary (anymore).
Debug info needs to be rewritten, as in LLVM 2.7 the format has
completely changed. To have something to look at while rewriting, the
old code has been wrapped inside #ifndef DISABLE_DEBUG_INFO , this means
that you have to define this to compile at the moment.
Updated tango 0.99.9 patch to include updated EH runtime code, which is
needed for LLVM 2.7 as well.
author | Tomas Lindquist Olsen |
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date | Wed, 19 May 2010 12:42:32 +0200 |
parents | 54b3c1394d62 |
children |
rev | line source |
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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 int semanticRun; // 1 semantic() run |
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65 |
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66 Dsymbol *onemember; // if !=NULL then one member of this template |
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67 |
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68 int literal; // this template declaration is a literal |
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69 |
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70 TemplateDeclaration(Loc loc, Identifier *id, TemplateParameters *parameters, |
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71 Expression *constraint, Array *decldefs); |
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72 Dsymbol *syntaxCopy(Dsymbol *); |
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73 void semantic(Scope *sc); |
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74 int overloadInsert(Dsymbol *s); |
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75 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); |
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76 const char *kind(); |
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77 char *toChars(); |
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78 |
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79 void emitComment(Scope *sc); |
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80 // void toDocBuffer(OutBuffer *buf); |
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81 |
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82 MATCH matchWithInstance(TemplateInstance *ti, Objects *atypes, int flag); |
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83 MATCH leastAsSpecialized(TemplateDeclaration *td2); |
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84 |
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85 MATCH deduceFunctionTemplateMatch(Loc loc, Objects *targsi, Expression *ethis, Expressions *fargs, Objects *dedargs); |
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86 FuncDeclaration *deduceFunctionTemplate(Scope *sc, Loc loc, Objects *targsi, Expression *ethis, Expressions *fargs, int flags = 0); |
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87 void declareParameter(Scope *sc, TemplateParameter *tp, Object *o); |
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88 |
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89 TemplateDeclaration *isTemplateDeclaration() { return this; } |
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90 |
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91 TemplateTupleParameter *isVariadic(); |
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92 int isOverloadable(); |
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93 |
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94 #if IN_LLVM |
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95 // LDC |
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96 std::string intrinsicName; |
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97 #endif |
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98 }; |
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99 |
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100 struct TemplateParameter |
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101 { |
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102 /* For type-parameter: |
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103 * template Foo(ident) // specType is set to NULL |
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104 * template Foo(ident : specType) |
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105 * For value-parameter: |
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106 * template Foo(valType ident) // specValue is set to NULL |
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107 * template Foo(valType ident : specValue) |
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108 * For alias-parameter: |
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109 * template Foo(alias ident) |
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110 * For this-parameter: |
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111 * template Foo(this ident) |
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112 */ |
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113 |
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114 Loc loc; |
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115 Identifier *ident; |
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116 |
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117 Declaration *sparam; |
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118 |
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119 TemplateParameter(Loc loc, Identifier *ident); |
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120 |
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121 virtual TemplateTypeParameter *isTemplateTypeParameter(); |
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122 virtual TemplateValueParameter *isTemplateValueParameter(); |
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123 virtual TemplateAliasParameter *isTemplateAliasParameter(); |
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124 #if DMDV2 |
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125 virtual TemplateThisParameter *isTemplateThisParameter(); |
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126 #endif |
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127 virtual TemplateTupleParameter *isTemplateTupleParameter(); |
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128 |
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129 virtual TemplateParameter *syntaxCopy() = 0; |
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130 virtual void declareParameter(Scope *sc) = 0; |
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131 virtual void semantic(Scope *) = 0; |
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132 virtual void print(Object *oarg, Object *oded) = 0; |
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133 virtual void toCBuffer(OutBuffer *buf, HdrGenState *hgs) = 0; |
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134 virtual Object *specialization() = 0; |
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135 virtual Object *defaultArg(Loc loc, Scope *sc) = 0; |
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136 |
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137 /* If TemplateParameter's match as far as overloading goes. |
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138 */ |
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139 virtual int overloadMatch(TemplateParameter *) = 0; |
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140 |
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141 /* Match actual argument against parameter. |
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142 */ |
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143 virtual MATCH matchArg(Scope *sc, Objects *tiargs, int i, TemplateParameters *parameters, Objects *dedtypes, Declaration **psparam, int flags = 0) = 0; |
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144 |
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145 /* Create dummy argument based on parameter. |
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146 */ |
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147 virtual void *dummyArg() = 0; |
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148 }; |
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149 |
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150 struct TemplateTypeParameter : TemplateParameter |
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151 { |
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152 /* Syntax: |
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153 * ident : specType = defaultType |
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154 */ |
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155 Type *specType; // type parameter: if !=NULL, this is the type specialization |
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156 Type *defaultType; |
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157 |
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158 TemplateTypeParameter(Loc loc, Identifier *ident, Type *specType, Type *defaultType); |
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159 |
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160 TemplateTypeParameter *isTemplateTypeParameter(); |
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161 TemplateParameter *syntaxCopy(); |
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162 void declareParameter(Scope *sc); |
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163 void semantic(Scope *); |
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164 void print(Object *oarg, Object *oded); |
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165 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); |
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166 Object *specialization(); |
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167 Object *defaultArg(Loc loc, Scope *sc); |
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168 int overloadMatch(TemplateParameter *); |
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169 MATCH matchArg(Scope *sc, Objects *tiargs, int i, TemplateParameters *parameters, Objects *dedtypes, Declaration **psparam, int flags); |
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170 void *dummyArg(); |
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171 }; |
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172 |
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173 #if DMDV2 |
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174 struct TemplateThisParameter : TemplateTypeParameter |
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175 { |
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176 /* Syntax: |
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177 * this ident : specType = defaultType |
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178 */ |
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179 Type *specType; // type parameter: if !=NULL, this is the type specialization |
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180 Type *defaultType; |
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181 |
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182 TemplateThisParameter(Loc loc, Identifier *ident, Type *specType, Type *defaultType); |
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183 |
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184 TemplateThisParameter *isTemplateThisParameter(); |
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185 TemplateParameter *syntaxCopy(); |
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186 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); |
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187 }; |
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188 #endif |
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189 |
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190 struct TemplateValueParameter : TemplateParameter |
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191 { |
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192 /* Syntax: |
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193 * valType ident : specValue = defaultValue |
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194 */ |
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195 |
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196 Type *valType; |
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197 Expression *specValue; |
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198 Expression *defaultValue; |
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199 |
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200 static Expression *edummy; |
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201 |
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202 TemplateValueParameter(Loc loc, Identifier *ident, Type *valType, Expression *specValue, Expression *defaultValue); |
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203 |
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204 TemplateValueParameter *isTemplateValueParameter(); |
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205 TemplateParameter *syntaxCopy(); |
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206 void declareParameter(Scope *sc); |
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207 void semantic(Scope *); |
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208 void print(Object *oarg, Object *oded); |
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209 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); |
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210 Object *specialization(); |
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211 Object *defaultArg(Loc loc, Scope *sc); |
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212 int overloadMatch(TemplateParameter *); |
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213 MATCH matchArg(Scope *sc, Objects *tiargs, int i, TemplateParameters *parameters, Objects *dedtypes, Declaration **psparam, int flags); |
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214 void *dummyArg(); |
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215 }; |
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216 |
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217 struct TemplateAliasParameter : TemplateParameter |
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218 { |
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219 /* Syntax: |
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220 * specType ident : specAlias = defaultAlias |
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221 */ |
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222 |
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223 Type *specType; |
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224 Object *specAlias; |
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225 Object *defaultAlias; |
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226 |
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227 static Dsymbol *sdummy; |
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228 |
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229 TemplateAliasParameter(Loc loc, Identifier *ident, Type *specType, Object *specAlias, Object *defaultAlias); |
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230 |
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231 TemplateAliasParameter *isTemplateAliasParameter(); |
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232 TemplateParameter *syntaxCopy(); |
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233 void declareParameter(Scope *sc); |
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234 void semantic(Scope *); |
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235 void print(Object *oarg, Object *oded); |
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236 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); |
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237 Object *specialization(); |
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238 Object *defaultArg(Loc loc, Scope *sc); |
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239 int overloadMatch(TemplateParameter *); |
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240 MATCH matchArg(Scope *sc, Objects *tiargs, int i, TemplateParameters *parameters, Objects *dedtypes, Declaration **psparam, int flags); |
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241 void *dummyArg(); |
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242 }; |
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243 |
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244 struct TemplateTupleParameter : TemplateParameter |
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245 { |
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246 /* Syntax: |
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247 * ident ... |
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248 */ |
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249 |
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250 TemplateTupleParameter(Loc loc, Identifier *ident); |
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251 |
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252 TemplateTupleParameter *isTemplateTupleParameter(); |
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253 TemplateParameter *syntaxCopy(); |
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254 void declareParameter(Scope *sc); |
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255 void semantic(Scope *); |
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256 void print(Object *oarg, Object *oded); |
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257 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); |
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258 Object *specialization(); |
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259 Object *defaultArg(Loc loc, Scope *sc); |
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260 int overloadMatch(TemplateParameter *); |
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261 MATCH matchArg(Scope *sc, Objects *tiargs, int i, TemplateParameters *parameters, Objects *dedtypes, Declaration **psparam, int flags); |
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262 void *dummyArg(); |
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263 }; |
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264 |
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265 struct TemplateInstance : ScopeDsymbol |
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266 { |
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267 /* Given: |
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268 * foo!(args) => |
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269 * name = foo |
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270 * tiargs = args |
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271 */ |
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272 Identifier *name; |
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273 //Array idents; |
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274 Objects *tiargs; // Array of Types/Expressions of template |
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275 // instance arguments [int*, char, 10*10] |
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276 |
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277 Objects tdtypes; // Array of Types/Expressions corresponding |
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278 // to TemplateDeclaration.parameters |
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279 // [int, char, 100] |
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280 |
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281 TemplateDeclaration *tempdecl; // referenced by foo.bar.abc |
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282 TemplateInstance *inst; // refer to existing instance |
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283 TemplateInstance *tinst; // enclosing template instance |
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284 ScopeDsymbol *argsym; // argument symbol table |
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285 AliasDeclaration *aliasdecl; // !=NULL if instance is an alias for its |
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286 // sole member |
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287 WithScopeSymbol *withsym; // if a member of a with statement |
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288 int semanticRun; // has semantic() been done? |
1452
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289 int semantictiargsdone; // has semanticTiargs() been done? |
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290 int nest; // for recursion detection |
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291 int havetempdecl; // 1 if used second constructor |
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292 Dsymbol *isnested; // if referencing local symbols, this is the context |
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293 int errors; // 1 if compiled with errors |
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294 #ifdef IN_GCC |
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295 /* On some targets, it is necessary to know whether a symbol |
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296 will be emitted in the output or not before the symbol |
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297 is used. This can be different from getModule(). */ |
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298 Module * objFileModule; |
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299 #endif |
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300 |
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301 TemplateInstance(Loc loc, Identifier *temp_id); |
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302 TemplateInstance(Loc loc, TemplateDeclaration *tempdecl, Objects *tiargs); |
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303 static Objects *arraySyntaxCopy(Objects *objs); |
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304 Dsymbol *syntaxCopy(Dsymbol *); |
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305 void semantic(Scope *sc); |
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306 void semantic2(Scope *sc); |
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307 void semantic3(Scope *sc); |
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308 void inlineScan(); |
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309 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); |
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310 Dsymbol *toAlias(); // resolve real symbol |
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311 const char *kind(); |
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312 int oneMember(Dsymbol **ps); |
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313 char *toChars(); |
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314 char *mangle(); |
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315 void printInstantiationTrace(); |
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316 |
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317 #if IN_DMD |
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318 void toObjFile(int multiobj); // compile to .obj file |
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319 #endif |
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320 |
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321 // Internal |
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322 static void semanticTiargs(Loc loc, Scope *sc, Objects *tiargs, int flags); |
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323 void semanticTiargs(Scope *sc); |
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324 TemplateDeclaration *findTemplateDeclaration(Scope *sc); |
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325 TemplateDeclaration *findBestMatch(Scope *sc); |
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326 void declareParameters(Scope *sc); |
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327 int hasNestedArgs(Objects *tiargs); |
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328 Identifier *genIdent(); |
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329 |
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330 TemplateInstance *isTemplateInstance() { return this; } |
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331 AliasDeclaration *isAliasDeclaration(); |
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332 |
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333 #if IN_LLVM |
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334 // LDC |
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335 Module* tmodule; // module from outermost enclosing template instantiation |
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336 Module* emittedInModule; // which module this template instance has been emitted in |
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337 |
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338 void codegen(Ir*); |
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339 #endif |
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340 }; |
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|
341 |
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342 struct TemplateMixin : TemplateInstance |
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343 { |
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344 Array *idents; |
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345 Type *tqual; |
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|
346 |
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347 TemplateMixin(Loc loc, Identifier *ident, Type *tqual, Array *idents, Objects *tiargs); |
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348 Dsymbol *syntaxCopy(Dsymbol *s); |
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349 void semantic(Scope *sc); |
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350 void semantic2(Scope *sc); |
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351 void semantic3(Scope *sc); |
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352 void inlineScan(); |
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353 const char *kind(); |
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354 int oneMember(Dsymbol **ps); |
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355 int hasPointers(); |
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356 char *toChars(); |
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357 char *mangle(); |
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358 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); |
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359 |
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360 #if IN_DMD |
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361 void toObjFile(int multiobj); // compile to .obj file |
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362 #endif |
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363 |
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364 TemplateMixin *isTemplateMixin() { return this; } |
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365 |
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366 #if IN_LLVM |
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367 void codegen(Ir*); |
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368 #endif |
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369 }; |
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|
370 |
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371 Expression *isExpression(Object *o); |
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372 Dsymbol *isDsymbol(Object *o); |
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373 Type *isType(Object *o); |
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374 Tuple *isTuple(Object *o); |
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375 Type *getType(Object *o); |
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376 Dsymbol *getDsymbol(Object *o); |
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377 |
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378 void ObjectToCBuffer(OutBuffer *buf, HdrGenState *hgs, Object *oarg); |
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379 |
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380 #endif /* DMD_TEMPLATE_H */ |