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annotate dmd2/dsymbol.h @ 1577:e4f7b5d9c68a

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DMD 2.032 Merge.
author Robert Clipsham <robert@octarineparrot.com>
date Tue, 08 Sep 2009 10:07:56 +0100
parents 54b3c1394d62
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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_DSYMBOL_H
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12 #define DMD_DSYMBOL_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
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18 #include "root.h"
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19 #include "stringtable.h"
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20
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21 #include "mars.h"
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22 #include "arraytypes.h"
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23
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24 #if IN_LLVM
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25 #include "../ir/irdsymbol.h"
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26 #endif
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27
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28 struct Identifier;
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29 struct Scope;
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30 struct DsymbolTable;
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31 struct Declaration;
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32 struct ThisDeclaration;
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33 struct TupleDeclaration;
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34 struct TypedefDeclaration;
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35 struct AliasDeclaration;
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36 struct AggregateDeclaration;
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37 struct EnumDeclaration;
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38 struct ClassDeclaration;
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39 struct InterfaceDeclaration;
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40 struct StructDeclaration;
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41 struct UnionDeclaration;
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42 struct FuncDeclaration;
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43 struct FuncAliasDeclaration;
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44 struct FuncLiteralDeclaration;
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45 struct CtorDeclaration;
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46 struct PostBlitDeclaration;
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47 struct DtorDeclaration;
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48 struct StaticCtorDeclaration;
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49 struct StaticDtorDeclaration;
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50 struct InvariantDeclaration;
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51 struct UnitTestDeclaration;
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52 struct NewDeclaration;
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53 struct VarDeclaration;
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54 struct AttribDeclaration;
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55 #if IN_DMD
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56 struct Symbol;
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57 #endif
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58 struct Package;
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59 struct Module;
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60 struct Import;
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61 struct Type;
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62 struct TypeTuple;
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63 struct WithStatement;
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64 struct LabelDsymbol;
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65 struct ScopeDsymbol;
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66 struct TemplateDeclaration;
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67 struct TemplateInstance;
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68 struct TemplateMixin;
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69 struct EnumMember;
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70 struct ScopeDsymbol;
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71 struct WithScopeSymbol;
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72 struct ArrayScopeSymbol;
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73 struct StaticStructInitDeclaration;
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74 struct Expression;
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75 struct DeleteDeclaration;
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76 struct HdrGenState;
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77 struct OverloadSet;
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78 #if TARGET_NET
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79 struct PragmaScope;
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80 #endif
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81 #if IN_LLVM
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82 struct TypeInfoDeclaration;
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83 struct ClassInfoDeclaration;
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84 #endif
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85
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86 #if IN_GCC
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87 union tree_node;
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88 typedef union tree_node TYPE;
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89 #else
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90 struct TYPE;
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91 #endif
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92
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93 #if IN_LLVM
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94 class Ir;
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95 class IrSymbol;
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96 namespace llvm
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97 {
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98 class Value;
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99 }
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100 #endif
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101 #if IN_DMD
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102 // Back end
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103 struct Classsym;
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104 #endif
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105
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106 enum PROT
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107 {
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108 PROTundefined,
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109 PROTnone, // no access
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110 PROTprivate,
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111 PROTpackage,
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112 PROTprotected,
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113 PROTpublic,
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114 PROTexport,
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115 };
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116
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117
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118 struct Dsymbol : Object
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119 {
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120 Identifier *ident;
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121 Identifier *c_ident;
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122 Dsymbol *parent;
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123 #if IN_DMD
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124 Symbol *csym; // symbol for code generator
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125 Symbol *isym; // import version of csym
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126 #endif
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127 unsigned char *comment; // documentation comment for this Dsymbol
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128 Loc loc; // where defined
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129 Scope *scope; // !=NULL means context to use for semantic()
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130
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131 Dsymbol();
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132 Dsymbol(Identifier *);
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133 char *toChars();
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134 char *locToChars();
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135 int equals(Object *o);
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136 int isAnonymous();
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137 void error(Loc loc, const char *format, ...) IS_PRINTF(3);
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138 void error(const char *format, ...) IS_PRINTF(2);
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139 void checkDeprecated(Loc loc, Scope *sc);
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140 Module *getModule(); // module where declared
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141 Module *getCompilationModule(); // possibly different for templates
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142 Dsymbol *pastMixin();
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143 Dsymbol *toParent();
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144 Dsymbol *toParent2();
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145 TemplateInstance *inTemplateInstance();
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146
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147 int dyncast() { return DYNCAST_DSYMBOL; } // kludge for template.isSymbol()
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148
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149 static Array *arraySyntaxCopy(Array *a);
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150
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151 virtual const char *toPrettyChars();
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152 virtual const char *kind();
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diff changeset
153 virtual Dsymbol *toAlias(); // resolve real symbol
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154 virtual int addMember(Scope *sc, ScopeDsymbol *s, int memnum);
1526
54b3c1394d62 Merged dmdfe 2.031.
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diff changeset
155 virtual void setScope(Scope *sc);
1452
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diff changeset
156 virtual void semantic(Scope *sc);
638d16625da2 LDC 2 compiles again.
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diff changeset
157 virtual void semantic2(Scope *sc);
638d16625da2 LDC 2 compiles again.
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diff changeset
158 virtual void semantic3(Scope *sc);
638d16625da2 LDC 2 compiles again.
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diff changeset
159 virtual void inlineScan();
638d16625da2 LDC 2 compiles again.
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diff changeset
160 virtual Dsymbol *search(Loc loc, Identifier *ident, int flags);
638d16625da2 LDC 2 compiles again.
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diff changeset
161 Dsymbol *searchX(Loc loc, Scope *sc, Identifier *id);
638d16625da2 LDC 2 compiles again.
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diff changeset
162 virtual int overloadInsert(Dsymbol *s);
638d16625da2 LDC 2 compiles again.
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diff changeset
163 #ifdef _DH
638d16625da2 LDC 2 compiles again.
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diff changeset
164 char *toHChars();
638d16625da2 LDC 2 compiles again.
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diff changeset
165 virtual void toHBuffer(OutBuffer *buf, HdrGenState *hgs);
638d16625da2 LDC 2 compiles again.
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166 #endif
638d16625da2 LDC 2 compiles again.
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diff changeset
167 virtual void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
638d16625da2 LDC 2 compiles again.
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168 virtual void toDocBuffer(OutBuffer *buf);
638d16625da2 LDC 2 compiles again.
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diff changeset
169 virtual unsigned size(Loc loc);
638d16625da2 LDC 2 compiles again.
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170 virtual int isforwardRef();
638d16625da2 LDC 2 compiles again.
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diff changeset
171 virtual void defineRef(Dsymbol *s);
638d16625da2 LDC 2 compiles again.
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diff changeset
172 virtual AggregateDeclaration *isThis(); // is a 'this' required to access the member
638d16625da2 LDC 2 compiles again.
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173 virtual ClassDeclaration *isClassMember(); // are we a member of a class?
638d16625da2 LDC 2 compiles again.
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174 virtual int isExport(); // is Dsymbol exported?
638d16625da2 LDC 2 compiles again.
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175 virtual int isImportedSymbol(); // is Dsymbol imported?
638d16625da2 LDC 2 compiles again.
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176 virtual int isDeprecated(); // is Dsymbol deprecated?
1577
e4f7b5d9c68a DMD 2.032 Merge.
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177 #if DMDV2
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178 virtual int isOverloadable();
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e4f7b5d9c68a DMD 2.032 Merge.
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179 #endif
1452
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180 virtual LabelDsymbol *isLabel(); // is this a LabelDsymbol?
638d16625da2 LDC 2 compiles again.
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181 virtual AggregateDeclaration *isMember(); // is this symbol a member of an AggregateDeclaration?
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182 virtual Type *getType(); // is this a type?
638d16625da2 LDC 2 compiles again.
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183 virtual char *mangle();
638d16625da2 LDC 2 compiles again.
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184 virtual int needThis(); // need a 'this' pointer?
638d16625da2 LDC 2 compiles again.
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185 virtual enum PROT prot();
638d16625da2 LDC 2 compiles again.
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186 virtual Dsymbol *syntaxCopy(Dsymbol *s); // copy only syntax trees
638d16625da2 LDC 2 compiles again.
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187 virtual int oneMember(Dsymbol **ps);
638d16625da2 LDC 2 compiles again.
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188 static int oneMembers(Array *members, Dsymbol **ps);
638d16625da2 LDC 2 compiles again.
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189 virtual int hasPointers();
638d16625da2 LDC 2 compiles again.
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diff changeset
190 virtual void addLocalClass(ClassDeclarations *) { }
638d16625da2 LDC 2 compiles again.
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191 virtual void checkCtorConstInit() { }
638d16625da2 LDC 2 compiles again.
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diff changeset
192
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193 virtual void addComment(unsigned char *comment);
638d16625da2 LDC 2 compiles again.
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194 virtual void emitComment(Scope *sc);
638d16625da2 LDC 2 compiles again.
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195 void emitDitto(Scope *sc);
638d16625da2 LDC 2 compiles again.
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196
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diff changeset
197 #if IN_DMD
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diff changeset
198 // Backend
638d16625da2 LDC 2 compiles again.
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199
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200 virtual Symbol *toSymbol(); // to backend symbol
638d16625da2 LDC 2 compiles again.
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diff changeset
201 virtual void toObjFile(int multiobj); // compile to .obj file
638d16625da2 LDC 2 compiles again.
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diff changeset
202 virtual int cvMember(unsigned char *p); // emit cv debug info for member
638d16625da2 LDC 2 compiles again.
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diff changeset
203
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diff changeset
204 Symbol *toImport(); // to backend import symbol
638d16625da2 LDC 2 compiles again.
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diff changeset
205 static Symbol *toImport(Symbol *s); // to backend import symbol
638d16625da2 LDC 2 compiles again.
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diff changeset
206
638d16625da2 LDC 2 compiles again.
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diff changeset
207 Symbol *toSymbolX(const char *prefix, int sclass, TYPE *t, const char *suffix); // helper
638d16625da2 LDC 2 compiles again.
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diff changeset
208 #endif
638d16625da2 LDC 2 compiles again.
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209
638d16625da2 LDC 2 compiles again.
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diff changeset
210 // Eliminate need for dynamic_cast
638d16625da2 LDC 2 compiles again.
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diff changeset
211 virtual Package *isPackage() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
212 virtual Module *isModule() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
213 virtual EnumMember *isEnumMember() { return NULL; }
638d16625da2 LDC 2 compiles again.
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214 virtual TemplateDeclaration *isTemplateDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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215 virtual TemplateInstance *isTemplateInstance() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
216 virtual TemplateMixin *isTemplateMixin() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
217 virtual Declaration *isDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
218 virtual ThisDeclaration *isThisDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
219 virtual TupleDeclaration *isTupleDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
220 virtual TypedefDeclaration *isTypedefDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
221 virtual AliasDeclaration *isAliasDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
222 virtual AggregateDeclaration *isAggregateDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
223 virtual FuncDeclaration *isFuncDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
224 virtual FuncAliasDeclaration *isFuncAliasDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
225 virtual FuncLiteralDeclaration *isFuncLiteralDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
226 virtual CtorDeclaration *isCtorDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
227 virtual PostBlitDeclaration *isPostBlitDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
228 virtual DtorDeclaration *isDtorDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
229 virtual StaticCtorDeclaration *isStaticCtorDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
230 virtual StaticDtorDeclaration *isStaticDtorDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
231 virtual InvariantDeclaration *isInvariantDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
232 virtual UnitTestDeclaration *isUnitTestDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
233 virtual NewDeclaration *isNewDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
234 virtual VarDeclaration *isVarDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
235 virtual ClassDeclaration *isClassDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
236 virtual StructDeclaration *isStructDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
237 virtual UnionDeclaration *isUnionDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
238 virtual InterfaceDeclaration *isInterfaceDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
239 virtual ScopeDsymbol *isScopeDsymbol() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
240 virtual WithScopeSymbol *isWithScopeSymbol() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
241 virtual ArrayScopeSymbol *isArrayScopeSymbol() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
242 virtual Import *isImport() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
243 virtual EnumDeclaration *isEnumDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
244 #ifdef _DH
638d16625da2 LDC 2 compiles again.
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diff changeset
245 virtual DeleteDeclaration *isDeleteDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
246 #endif
638d16625da2 LDC 2 compiles again.
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diff changeset
247 virtual StaticStructInitDeclaration *isStaticStructInitDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
248 virtual AttribDeclaration *isAttribDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
249 virtual OverloadSet *isOverloadSet() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
250 virtual TypeInfoDeclaration* isTypeInfoDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
251 virtual ClassInfoDeclaration* isClassInfoDeclaration() { return NULL; }
1526
54b3c1394d62 Merged dmdfe 2.031.
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diff changeset
252 #if TARGET_NET
54b3c1394d62 Merged dmdfe 2.031.
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diff changeset
253 virtual PragmaScope* isPragmaScope() { return NULL; }
54b3c1394d62 Merged dmdfe 2.031.
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diff changeset
254 #endif
1452
638d16625da2 LDC 2 compiles again.
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diff changeset
255 #if IN_LLVM
638d16625da2 LDC 2 compiles again.
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diff changeset
256 /// Codegen traversal
638d16625da2 LDC 2 compiles again.
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diff changeset
257 virtual void codegen(Ir* ir);
638d16625da2 LDC 2 compiles again.
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diff changeset
258
638d16625da2 LDC 2 compiles again.
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diff changeset
259 // llvm stuff
638d16625da2 LDC 2 compiles again.
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diff changeset
260 int llvmInternal;
638d16625da2 LDC 2 compiles again.
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diff changeset
261
638d16625da2 LDC 2 compiles again.
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diff changeset
262 IrDsymbol ir;
638d16625da2 LDC 2 compiles again.
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diff changeset
263 IrSymbol* irsym;
638d16625da2 LDC 2 compiles again.
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diff changeset
264 #endif
638d16625da2 LDC 2 compiles again.
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diff changeset
265 };
638d16625da2 LDC 2 compiles again.
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diff changeset
266
638d16625da2 LDC 2 compiles again.
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diff changeset
267 // Dsymbol that generates a scope
638d16625da2 LDC 2 compiles again.
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diff changeset
268
638d16625da2 LDC 2 compiles again.
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diff changeset
269 struct ScopeDsymbol : Dsymbol
638d16625da2 LDC 2 compiles again.
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diff changeset
270 {
638d16625da2 LDC 2 compiles again.
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diff changeset
271 Array *members; // all Dsymbol's in this scope
638d16625da2 LDC 2 compiles again.
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diff changeset
272 DsymbolTable *symtab; // members[] sorted into table
638d16625da2 LDC 2 compiles again.
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diff changeset
273
638d16625da2 LDC 2 compiles again.
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diff changeset
274 Array *imports; // imported ScopeDsymbol's
638d16625da2 LDC 2 compiles again.
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diff changeset
275 unsigned char *prots; // array of PROT, one for each import
638d16625da2 LDC 2 compiles again.
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diff changeset
276
638d16625da2 LDC 2 compiles again.
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diff changeset
277 ScopeDsymbol();
638d16625da2 LDC 2 compiles again.
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diff changeset
278 ScopeDsymbol(Identifier *id);
638d16625da2 LDC 2 compiles again.
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diff changeset
279 Dsymbol *syntaxCopy(Dsymbol *s);
638d16625da2 LDC 2 compiles again.
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diff changeset
280 Dsymbol *search(Loc loc, Identifier *ident, int flags);
638d16625da2 LDC 2 compiles again.
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diff changeset
281 void importScope(ScopeDsymbol *s, enum PROT protection);
638d16625da2 LDC 2 compiles again.
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diff changeset
282 int isforwardRef();
638d16625da2 LDC 2 compiles again.
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diff changeset
283 void defineRef(Dsymbol *s);
638d16625da2 LDC 2 compiles again.
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diff changeset
284 static void multiplyDefined(Loc loc, Dsymbol *s1, Dsymbol *s2);
638d16625da2 LDC 2 compiles again.
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diff changeset
285 Dsymbol *nameCollision(Dsymbol *s);
638d16625da2 LDC 2 compiles again.
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diff changeset
286 const char *kind();
638d16625da2 LDC 2 compiles again.
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diff changeset
287 FuncDeclaration *findGetMembers();
638d16625da2 LDC 2 compiles again.
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diff changeset
288
638d16625da2 LDC 2 compiles again.
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diff changeset
289 void emitMemberComments(Scope *sc);
638d16625da2 LDC 2 compiles again.
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diff changeset
290
638d16625da2 LDC 2 compiles again.
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diff changeset
291 static size_t dim(Array *members);
638d16625da2 LDC 2 compiles again.
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diff changeset
292 static Dsymbol *getNth(Array *members, size_t nth, size_t *pn = NULL);
638d16625da2 LDC 2 compiles again.
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diff changeset
293
638d16625da2 LDC 2 compiles again.
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294 ScopeDsymbol *isScopeDsymbol() { return this; }
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295 };
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296
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297 // With statement scope
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298
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299 struct WithScopeSymbol : ScopeDsymbol
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300 {
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301 WithStatement *withstate;
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302
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303 WithScopeSymbol(WithStatement *withstate);
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304 Dsymbol *search(Loc loc, Identifier *ident, int flags);
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305
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306 WithScopeSymbol *isWithScopeSymbol() { return this; }
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307 };
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308
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309 // Array Index/Slice scope
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310
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311 struct ArrayScopeSymbol : ScopeDsymbol
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312 {
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313 Expression *exp; // IndexExp or SliceExp
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314 TypeTuple *type; // for tuple[length]
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315 TupleDeclaration *td; // for tuples of objects
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316 Scope *sc;
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317
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318 ArrayScopeSymbol(Scope *sc, Expression *e);
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319 ArrayScopeSymbol(Scope *sc, TypeTuple *t);
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320 ArrayScopeSymbol(Scope *sc, TupleDeclaration *td);
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321 Dsymbol *search(Loc loc, Identifier *ident, int flags);
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322
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323 ArrayScopeSymbol *isArrayScopeSymbol() { return this; }
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324 };
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325
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326 // Overload Sets
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327
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328 #if DMDV2
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329 struct OverloadSet : Dsymbol
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330 {
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331 Dsymbols a; // array of Dsymbols
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332
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333 OverloadSet();
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334 void push(Dsymbol *s);
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335 OverloadSet *isOverloadSet() { return this; }
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336 const char *kind();
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337 };
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338 #endif
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339
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340 // Table of Dsymbol's
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341
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342 struct DsymbolTable : Object
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343 {
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344 StringTable *tab;
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345
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346 DsymbolTable();
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347 ~DsymbolTable();
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348
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349 // Look up Identifier. Return Dsymbol if found, NULL if not.
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350 Dsymbol *lookup(Identifier *ident);
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351
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352 // Insert Dsymbol in table. Return NULL if already there.
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353 Dsymbol *insert(Dsymbol *s);
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354
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355 // Look for Dsymbol in table. If there, return it. If not, insert s and return that.
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356 Dsymbol *update(Dsymbol *s);
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357 Dsymbol *insert(Identifier *ident, Dsymbol *s); // when ident and s are not the same
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358 };
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359
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360 #endif /* DMD_DSYMBOL_H */