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annotate dmd2/dsymbol.h @ 1526:54b3c1394d62

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Merged dmdfe 2.031.
author Robert Clipsham <robert@octarineparrot.com>
date Tue, 07 Jul 2009 02:26:11 +0100
parents 638d16625da2
children e4f7b5d9c68a
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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 TemplateDeclaration;
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66 struct TemplateInstance;
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67 struct TemplateMixin;
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68 struct EnumMember;
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69 struct ScopeDsymbol;
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70 struct WithScopeSymbol;
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71 struct ArrayScopeSymbol;
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72 struct StaticStructInitDeclaration;
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73 struct Expression;
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74 struct DeleteDeclaration;
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75 struct HdrGenState;
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76 struct OverloadSet;
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77 #if TARGET_NET
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78 struct PragmaScope;
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79 #endif
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80 #if IN_LLVM
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81 struct TypeInfoDeclaration;
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82 struct ClassInfoDeclaration;
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83 #endif
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84
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85 #if IN_GCC
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86 union tree_node;
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87 typedef union tree_node TYPE;
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88 #else
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89 struct TYPE;
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90 #endif
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91
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92 #if IN_LLVM
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93 class Ir;
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94 class IrSymbol;
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95 namespace llvm
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96 {
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97 class Value;
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98 }
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99 #endif
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100 #if IN_DMD
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101 // Back end
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102 struct Classsym;
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103 #endif
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104
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105 enum PROT
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106 {
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107 PROTundefined,
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108 PROTnone, // no access
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109 PROTprivate,
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110 PROTpackage,
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111 PROTprotected,
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112 PROTpublic,
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113 PROTexport,
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114 };
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115
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116
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117 struct Dsymbol : Object
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118 {
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119 Identifier *ident;
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120 Identifier *c_ident;
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121 Dsymbol *parent;
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122 #if IN_DMD
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123 Symbol *csym; // symbol for code generator
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124 Symbol *isym; // import version of csym
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125 #endif
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126 unsigned char *comment; // documentation comment for this Dsymbol
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127 Loc loc; // where defined
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128 Scope *scope; // !=NULL means context to use for semantic()
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129
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130 Dsymbol();
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131 Dsymbol(Identifier *);
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132 char *toChars();
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133 char *toPrettyChars();
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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 *kind();
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152 virtual Dsymbol *toAlias(); // resolve real symbol
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153 virtual int addMember(Scope *sc, ScopeDsymbol *s, int memnum);
1526
54b3c1394d62 Merged dmdfe 2.031.
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diff changeset
154 virtual void setScope(Scope *sc);
1452
638d16625da2 LDC 2 compiles again.
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diff changeset
155 virtual void semantic(Scope *sc);
638d16625da2 LDC 2 compiles again.
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diff changeset
156 virtual void semantic2(Scope *sc);
638d16625da2 LDC 2 compiles again.
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diff changeset
157 virtual void semantic3(Scope *sc);
638d16625da2 LDC 2 compiles again.
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diff changeset
158 virtual void inlineScan();
638d16625da2 LDC 2 compiles again.
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diff changeset
159 virtual Dsymbol *search(Loc loc, Identifier *ident, int flags);
638d16625da2 LDC 2 compiles again.
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diff changeset
160 Dsymbol *searchX(Loc loc, Scope *sc, Identifier *id);
638d16625da2 LDC 2 compiles again.
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diff changeset
161 virtual int overloadInsert(Dsymbol *s);
638d16625da2 LDC 2 compiles again.
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diff changeset
162 #ifdef _DH
638d16625da2 LDC 2 compiles again.
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diff changeset
163 char *toHChars();
638d16625da2 LDC 2 compiles again.
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diff changeset
164 virtual void toHBuffer(OutBuffer *buf, HdrGenState *hgs);
638d16625da2 LDC 2 compiles again.
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165 #endif
638d16625da2 LDC 2 compiles again.
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diff changeset
166 virtual void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
638d16625da2 LDC 2 compiles again.
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diff changeset
167 virtual void toDocBuffer(OutBuffer *buf);
638d16625da2 LDC 2 compiles again.
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diff changeset
168 virtual unsigned size(Loc loc);
638d16625da2 LDC 2 compiles again.
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diff changeset
169 virtual int isforwardRef();
638d16625da2 LDC 2 compiles again.
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diff changeset
170 virtual void defineRef(Dsymbol *s);
638d16625da2 LDC 2 compiles again.
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diff changeset
171 virtual AggregateDeclaration *isThis(); // is a 'this' required to access the member
638d16625da2 LDC 2 compiles again.
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diff changeset
172 virtual ClassDeclaration *isClassMember(); // are we a member of a class?
638d16625da2 LDC 2 compiles again.
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diff changeset
173 virtual int isExport(); // is Dsymbol exported?
638d16625da2 LDC 2 compiles again.
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diff changeset
174 virtual int isImportedSymbol(); // is Dsymbol imported?
638d16625da2 LDC 2 compiles again.
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diff changeset
175 virtual int isDeprecated(); // is Dsymbol deprecated?
638d16625da2 LDC 2 compiles again.
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diff changeset
176 virtual int isOverloadable();
638d16625da2 LDC 2 compiles again.
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177 virtual LabelDsymbol *isLabel(); // is this a LabelDsymbol?
638d16625da2 LDC 2 compiles again.
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178 virtual AggregateDeclaration *isMember(); // is this symbol a member of an AggregateDeclaration?
638d16625da2 LDC 2 compiles again.
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179 virtual Type *getType(); // is this a type?
638d16625da2 LDC 2 compiles again.
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180 virtual char *mangle();
638d16625da2 LDC 2 compiles again.
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diff changeset
181 virtual int needThis(); // need a 'this' pointer?
638d16625da2 LDC 2 compiles again.
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182 virtual enum PROT prot();
638d16625da2 LDC 2 compiles again.
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diff changeset
183 virtual Dsymbol *syntaxCopy(Dsymbol *s); // copy only syntax trees
638d16625da2 LDC 2 compiles again.
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184 virtual int oneMember(Dsymbol **ps);
638d16625da2 LDC 2 compiles again.
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185 static int oneMembers(Array *members, Dsymbol **ps);
638d16625da2 LDC 2 compiles again.
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186 virtual int hasPointers();
638d16625da2 LDC 2 compiles again.
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187 virtual void addLocalClass(ClassDeclarations *) { }
638d16625da2 LDC 2 compiles again.
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188 virtual void checkCtorConstInit() { }
638d16625da2 LDC 2 compiles again.
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189
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190 virtual void addComment(unsigned char *comment);
638d16625da2 LDC 2 compiles again.
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191 virtual void emitComment(Scope *sc);
638d16625da2 LDC 2 compiles again.
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192 void emitDitto(Scope *sc);
638d16625da2 LDC 2 compiles again.
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diff changeset
193
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diff changeset
194 #if IN_DMD
638d16625da2 LDC 2 compiles again.
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diff changeset
195 // Backend
638d16625da2 LDC 2 compiles again.
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196
638d16625da2 LDC 2 compiles again.
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diff changeset
197 virtual Symbol *toSymbol(); // to backend symbol
638d16625da2 LDC 2 compiles again.
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diff changeset
198 virtual void toObjFile(int multiobj); // compile to .obj file
638d16625da2 LDC 2 compiles again.
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diff changeset
199 virtual int cvMember(unsigned char *p); // emit cv debug info for member
638d16625da2 LDC 2 compiles again.
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diff changeset
200
638d16625da2 LDC 2 compiles again.
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diff changeset
201 Symbol *toImport(); // to backend import symbol
638d16625da2 LDC 2 compiles again.
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diff changeset
202 static Symbol *toImport(Symbol *s); // to backend import symbol
638d16625da2 LDC 2 compiles again.
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diff changeset
203
638d16625da2 LDC 2 compiles again.
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diff changeset
204 Symbol *toSymbolX(const char *prefix, int sclass, TYPE *t, const char *suffix); // helper
638d16625da2 LDC 2 compiles again.
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diff changeset
205 #endif
638d16625da2 LDC 2 compiles again.
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diff changeset
206
638d16625da2 LDC 2 compiles again.
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diff changeset
207 // Eliminate need for dynamic_cast
638d16625da2 LDC 2 compiles again.
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diff changeset
208 virtual Package *isPackage() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
209 virtual Module *isModule() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
210 virtual EnumMember *isEnumMember() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
211 virtual TemplateDeclaration *isTemplateDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
212 virtual TemplateInstance *isTemplateInstance() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
213 virtual TemplateMixin *isTemplateMixin() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
214 virtual Declaration *isDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
215 virtual ThisDeclaration *isThisDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
216 virtual TupleDeclaration *isTupleDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
217 virtual TypedefDeclaration *isTypedefDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
218 virtual AliasDeclaration *isAliasDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
219 virtual AggregateDeclaration *isAggregateDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
220 virtual FuncDeclaration *isFuncDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
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diff changeset
221 virtual FuncAliasDeclaration *isFuncAliasDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
222 virtual FuncLiteralDeclaration *isFuncLiteralDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
223 virtual CtorDeclaration *isCtorDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
224 virtual PostBlitDeclaration *isPostBlitDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
225 virtual DtorDeclaration *isDtorDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
226 virtual StaticCtorDeclaration *isStaticCtorDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
227 virtual StaticDtorDeclaration *isStaticDtorDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
228 virtual InvariantDeclaration *isInvariantDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
229 virtual UnitTestDeclaration *isUnitTestDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
230 virtual NewDeclaration *isNewDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
231 virtual VarDeclaration *isVarDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
232 virtual ClassDeclaration *isClassDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
233 virtual StructDeclaration *isStructDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
234 virtual UnionDeclaration *isUnionDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
235 virtual InterfaceDeclaration *isInterfaceDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
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diff changeset
236 virtual ScopeDsymbol *isScopeDsymbol() { return NULL; }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
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diff changeset
237 virtual WithScopeSymbol *isWithScopeSymbol() { return NULL; }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
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diff changeset
238 virtual ArrayScopeSymbol *isArrayScopeSymbol() { return NULL; }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
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diff changeset
239 virtual Import *isImport() { return NULL; }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
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diff changeset
240 virtual EnumDeclaration *isEnumDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
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diff changeset
241 #ifdef _DH
638d16625da2 LDC 2 compiles again.
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diff changeset
242 virtual DeleteDeclaration *isDeleteDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
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diff changeset
243 #endif
638d16625da2 LDC 2 compiles again.
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diff changeset
244 virtual StaticStructInitDeclaration *isStaticStructInitDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
245 virtual AttribDeclaration *isAttribDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
246 virtual OverloadSet *isOverloadSet() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
247 virtual TypeInfoDeclaration* isTypeInfoDeclaration() { return NULL; }
638d16625da2 LDC 2 compiles again.
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diff changeset
248 virtual ClassInfoDeclaration* isClassInfoDeclaration() { return NULL; }
1526
54b3c1394d62 Merged dmdfe 2.031.
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diff changeset
249 #if TARGET_NET
54b3c1394d62 Merged dmdfe 2.031.
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diff changeset
250 virtual PragmaScope* isPragmaScope() { return NULL; }
54b3c1394d62 Merged dmdfe 2.031.
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diff changeset
251 #endif
1452
638d16625da2 LDC 2 compiles again.
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diff changeset
252 #if IN_LLVM
638d16625da2 LDC 2 compiles again.
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diff changeset
253 /// Codegen traversal
638d16625da2 LDC 2 compiles again.
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diff changeset
254 virtual void codegen(Ir* ir);
638d16625da2 LDC 2 compiles again.
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diff changeset
255
638d16625da2 LDC 2 compiles again.
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diff changeset
256 // llvm stuff
638d16625da2 LDC 2 compiles again.
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diff changeset
257 int llvmInternal;
638d16625da2 LDC 2 compiles again.
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diff changeset
258
638d16625da2 LDC 2 compiles again.
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diff changeset
259 IrDsymbol ir;
638d16625da2 LDC 2 compiles again.
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diff changeset
260 IrSymbol* irsym;
638d16625da2 LDC 2 compiles again.
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diff changeset
261 #endif
638d16625da2 LDC 2 compiles again.
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diff changeset
262 };
638d16625da2 LDC 2 compiles again.
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diff changeset
263
638d16625da2 LDC 2 compiles again.
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diff changeset
264 // Dsymbol that generates a scope
638d16625da2 LDC 2 compiles again.
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diff changeset
265
638d16625da2 LDC 2 compiles again.
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diff changeset
266 struct ScopeDsymbol : Dsymbol
638d16625da2 LDC 2 compiles again.
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diff changeset
267 {
638d16625da2 LDC 2 compiles again.
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diff changeset
268 Array *members; // all Dsymbol's in this scope
638d16625da2 LDC 2 compiles again.
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diff changeset
269 DsymbolTable *symtab; // members[] sorted into table
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 *imports; // imported ScopeDsymbol's
638d16625da2 LDC 2 compiles again.
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diff changeset
272 unsigned char *prots; // array of PROT, one for each import
638d16625da2 LDC 2 compiles again.
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diff changeset
273
638d16625da2 LDC 2 compiles again.
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diff changeset
274 ScopeDsymbol();
638d16625da2 LDC 2 compiles again.
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diff changeset
275 ScopeDsymbol(Identifier *id);
638d16625da2 LDC 2 compiles again.
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diff changeset
276 Dsymbol *syntaxCopy(Dsymbol *s);
638d16625da2 LDC 2 compiles again.
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diff changeset
277 Dsymbol *search(Loc loc, Identifier *ident, int flags);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 953
diff changeset
278 void importScope(ScopeDsymbol *s, enum PROT protection);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
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diff changeset
279 int isforwardRef();
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
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diff changeset
280 void defineRef(Dsymbol *s);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 953
diff changeset
281 static void multiplyDefined(Loc loc, Dsymbol *s1, Dsymbol *s2);
638d16625da2 LDC 2 compiles again.
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diff changeset
282 Dsymbol *nameCollision(Dsymbol *s);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
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diff changeset
283 const char *kind();
638d16625da2 LDC 2 compiles again.
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diff changeset
284 FuncDeclaration *findGetMembers();
638d16625da2 LDC 2 compiles again.
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diff changeset
285
638d16625da2 LDC 2 compiles again.
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diff changeset
286 void emitMemberComments(Scope *sc);
638d16625da2 LDC 2 compiles again.
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diff changeset
287
638d16625da2 LDC 2 compiles again.
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diff changeset
288 static size_t dim(Array *members);
638d16625da2 LDC 2 compiles again.
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diff changeset
289 static Dsymbol *getNth(Array *members, size_t nth, size_t *pn = NULL);
638d16625da2 LDC 2 compiles again.
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diff changeset
290
638d16625da2 LDC 2 compiles again.
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diff changeset
291 ScopeDsymbol *isScopeDsymbol() { return this; }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
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diff changeset
292 };
638d16625da2 LDC 2 compiles again.
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diff changeset
293
638d16625da2 LDC 2 compiles again.
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diff changeset
294 // With statement scope
638d16625da2 LDC 2 compiles again.
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diff changeset
295
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296 struct WithScopeSymbol : ScopeDsymbol
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297 {
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298 WithStatement *withstate;
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299
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300 WithScopeSymbol(WithStatement *withstate);
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301 Dsymbol *search(Loc loc, Identifier *ident, int flags);
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302
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303 WithScopeSymbol *isWithScopeSymbol() { return this; }
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304 };
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305
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306 // Array Index/Slice scope
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307
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308 struct ArrayScopeSymbol : ScopeDsymbol
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309 {
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310 Expression *exp; // IndexExp or SliceExp
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311 TypeTuple *type; // for tuple[length]
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312 TupleDeclaration *td; // for tuples of objects
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313 Scope *sc;
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314
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315 ArrayScopeSymbol(Scope *sc, Expression *e);
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316 ArrayScopeSymbol(Scope *sc, TypeTuple *t);
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317 ArrayScopeSymbol(Scope *sc, TupleDeclaration *td);
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318 Dsymbol *search(Loc loc, Identifier *ident, int flags);
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319
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320 ArrayScopeSymbol *isArrayScopeSymbol() { return this; }
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321 };
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322
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323 // Overload Sets
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324
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325 struct OverloadSet : Dsymbol
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326 {
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327 Dsymbols a; // array of Dsymbols
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328
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329 OverloadSet();
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330 void push(Dsymbol *s);
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331 OverloadSet *isOverloadSet() { return this; }
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332 const char *kind();
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333 };
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334
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335 // Table of Dsymbol's
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336
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337 struct DsymbolTable : Object
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338 {
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339 StringTable *tab;
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340
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341 DsymbolTable();
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342 ~DsymbolTable();
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343
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344 // Look up Identifier. Return Dsymbol if found, NULL if not.
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345 Dsymbol *lookup(Identifier *ident);
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346
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347 // Insert Dsymbol in table. Return NULL if already there.
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348 Dsymbol *insert(Dsymbol *s);
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349
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350 // Look for Dsymbol in table. If there, return it. If not, insert s and return that.
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351 Dsymbol *update(Dsymbol *s);
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352 Dsymbol *insert(Identifier *ident, Dsymbol *s); // when ident and s are not the same
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353 };
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354
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355 #endif /* DMD_DSYMBOL_H */