annotate trunk/src/dil/SyntaxTree.d @ 490:47be6bfe39cd

Refactored code and added new modules. Added ProtectionDeclaration and changed Parser to make use of it. Moved class Location to its own module. Moved some Lexer functions to new module LexerFuncs. Moved Lexer.getLocation() to struct Token. Added methods semantic() and error() to class Expression. Added method error() to class Scope.
author Aziz K?ksal <aziz.koeksal@gmail.com>
date Tue, 04 Dec 2007 23:31:20 +0100
parents a7291d3ee9d7
children 9c208925a3d4
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1 /++
50251b408965 - Added module SyntaxTree.
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2 Author: Aziz Köksal
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3 License: GPL3
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4 +/
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5 module dil.SyntaxTree;
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6 import dil.Token;
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7 import common;
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8
275
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9 enum NodeCategory
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10 {
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11 Declaration,
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12 Statement,
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13 Expression,
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14 Type,
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15 Other
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16 }
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17
276
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18 enum NodeKind
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19 {
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20 // Declarations:
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21 Declarations,
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22 EmptyDeclaration,
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23 IllegalDeclaration,
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24 ModuleDeclaration,
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25 ImportDeclaration,
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26 AliasDeclaration,
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27 TypedefDeclaration,
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28 EnumDeclaration,
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29 ClassDeclaration,
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30 InterfaceDeclaration,
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31 StructDeclaration,
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32 UnionDeclaration,
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33 ConstructorDeclaration,
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34 StaticConstructorDeclaration,
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35 DestructorDeclaration,
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36 StaticDestructorDeclaration,
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37 FunctionDeclaration,
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38 VariableDeclaration,
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39 InvariantDeclaration,
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40 UnittestDeclaration,
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41 DebugDeclaration,
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42 VersionDeclaration,
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43 StaticIfDeclaration,
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44 StaticAssertDeclaration,
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45 TemplateDeclaration,
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46 NewDeclaration,
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47 DeleteDeclaration,
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48 AttributeDeclaration,
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49 ProtectionDeclaration,
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50 ExternDeclaration,
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51 AlignDeclaration,
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52 PragmaDeclaration,
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53 MixinDeclaration,
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54
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55 // Statements:
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56 Statements,
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57 IllegalStatement,
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58 EmptyStatement,
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59 ScopeStatement,
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60 LabeledStatement,
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61 ExpressionStatement,
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62 DeclarationStatement,
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63 IfStatement,
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64 ConditionalStatement,
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65 WhileStatement,
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66 DoWhileStatement,
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67 ForStatement,
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68 ForeachStatement,
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69 ForeachRangeStatement, // D2.0
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70 SwitchStatement,
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71 CaseStatement,
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72 DefaultStatement,
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73 ContinueStatement,
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74 BreakStatement,
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75 ReturnStatement,
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76 GotoStatement,
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77 WithStatement,
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78 SynchronizedStatement,
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79 TryStatement,
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80 CatchBody,
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81 FinallyBody,
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82 ScopeGuardStatement,
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83 ThrowStatement,
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84 VolatileStatement,
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85 AsmStatement,
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86 AsmInstruction,
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87 AsmAlignStatement,
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88 IllegalAsmInstruction,
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89 PragmaStatement,
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90 MixinStatement,
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91 StaticIfStatement,
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92 StaticAssertStatement,
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93 DebugStatement,
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94 VersionStatement,
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95 AttributeStatement,
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96 ExternStatement,
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97
277
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98 // Expressions:
276
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99 EmptyExpression,
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100 BinaryExpression,
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101 CondExpression,
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102 CommaExpression,
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103 OrOrExpression,
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104 AndAndExpression,
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105 OrExpression,
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106 XorExpression,
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107 AndExpression,
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108 CmpExpression,
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109 EqualExpression,
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110 IdentityExpression,
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111 RelExpression,
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112 InExpression,
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113 LShiftExpression,
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114 RShiftExpression,
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115 URShiftExpression,
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116 PlusExpression,
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117 MinusExpression,
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118 CatExpression,
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119 MulExpression,
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120 DivExpression,
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121 ModExpression,
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122 AssignExpression,
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123 LShiftAssignExpression,
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124 RShiftAssignExpression,
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125 URShiftAssignExpression,
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126 OrAssignExpression,
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127 AndAssignExpression,
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128 PlusAssignExpression,
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129 MinusAssignExpression,
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130 DivAssignExpression,
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131 MulAssignExpression,
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132 ModAssignExpression,
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133 XorAssignExpression,
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134 CatAssignExpression,
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135 UnaryExpression,
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136 AddressExpression,
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137 PreIncrExpression,
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138 PreDecrExpression,
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139 PostIncrExpression,
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140 PostDecrExpression,
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141 DerefExpression,
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142 SignExpression,
d6b2f7616ca5 - Added enum NodeKind to classify different nodes in the AST. Correspondingly added member 'kind' to class Node.
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143 NotExpression,
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144 CompExpression,
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145 PostDotListExpression,
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146 CallExpression,
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147 NewExpression,
d6b2f7616ca5 - Added enum NodeKind to classify different nodes in the AST. Correspondingly added member 'kind' to class Node.
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148 NewAnonClassExpression,
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149 DeleteExpression,
d6b2f7616ca5 - Added enum NodeKind to classify different nodes in the AST. Correspondingly added member 'kind' to class Node.
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150 CastExpression,
d6b2f7616ca5 - Added enum NodeKind to classify different nodes in the AST. Correspondingly added member 'kind' to class Node.
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151 IndexExpression,
d6b2f7616ca5 - Added enum NodeKind to classify different nodes in the AST. Correspondingly added member 'kind' to class Node.
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152 SliceExpression,
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153 PrimaryExpressio,
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154 IdentifierExpression,
312
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155 SpecialTokenExpression,
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156 DotExpression,
276
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157 DotListExpression,
d6b2f7616ca5 - Added enum NodeKind to classify different nodes in the AST. Correspondingly added member 'kind' to class Node.
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158 TemplateInstanceExpression,
d6b2f7616ca5 - Added enum NodeKind to classify different nodes in the AST. Correspondingly added member 'kind' to class Node.
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159 ThisExpression,
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160 SuperExpression,
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161 NullExpression,
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162 DollarExpression,
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163 BoolExpression,
399
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164 IntExpression,
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165 RealExpression,
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166 CharExpression,
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167 StringExpression,
276
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168 ArrayLiteralExpression,
399
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169 AArrayLiteralExpression,
276
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170 AssertExpression,
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171 MixinExpression,
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172 ImportExpression,
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173 TypeofExpression,
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174 TypeDotIdExpression,
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175 TypeidExpression,
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176 IsExpression,
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177 FunctionLiteralExpression,
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178 TraitsExpression, // D2.0
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179 VoidInitializer,
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180 ArrayInitializer,
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181 StructInitializer,
287
211bdd69397d - Added classes AsmTypeExpression, AsmOffsetExpression, AsmSegExpression, AsmPostBracketExpression and AsmBracketExpression.
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182 AsmTypeExpression,
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183 AsmOffsetExpression,
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184 AsmSegExpression,
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185 AsmPostBracketExpression,
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186 AsmBracketExpression,
288
833b301497f4 - Added classes AsmLocalSizeExpression and AsmRegisterExpression.
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187 AsmLocalSizeExpression,
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188 AsmRegisterExpression,
277
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189
281
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190 // Types:
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191 IntegralType,
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192 UndefinedType,
488
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193 DotType,
281
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194 DotListType,
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195 IdentifierType,
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196 TypeofType,
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197 TemplateInstanceType,
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198 PointerType,
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199 ArrayType,
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200 FunctionType,
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201 DelegateType,
409
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202 CFuncPointerType,
281
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203 ConstType, // D2.0
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204 InvariantType, // D2.0
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205
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206 // Other:
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207 FunctionBody,
281
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208 Parameter,
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209 Parameters,
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210 BaseClass,
340
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211 TemplateAliasParameter,
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212 TemplateTypeParameter,
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213 TemplateValueParameter,
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214 TemplateTupleParameter,
281
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215 TemplateParameters,
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216 TemplateArguments,
359
511c14950cac - Added messages MissingLinkageType and UnrecognizedLinkageType.
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217 Linkage,
406
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218 EnumMember,
276
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219 }
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220
281
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221 /// This string is mixed into the constructor of a class that inherits from Node.
276
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222 const string set_kind = `this.kind = mixin("NodeKind." ~ typeof(this).stringof);`;
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223
309
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224 Class Cast(Class)(Node n)
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225 {
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226 assert(n !is null);
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227 if (n.kind == mixin("NodeKind." ~ typeof(Class).stringof))
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228 return cast(Class)cast(void*)n;
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229 return null;
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230 }
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231
142
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232 class Node
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233 {
275
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234 NodeCategory category;
276
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235 NodeKind kind;
292
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236 Node[] children;
189
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237 Token* begin, end;
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238
275
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239 this(NodeCategory category)
142
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240 {
275
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241 this.category = category;
142
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242 }
189
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243
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244 void setTokens(Token* begin, Token* end)
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245 {
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246 this.begin = begin;
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247 this.end = end;
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248 }
489
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249
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250 void addChild(Node child)
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251 {
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252 assert(child !is null, "failed in " ~ this.classinfo.name);
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253 this.children ~= child;
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254 }
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255
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256 void addOptChild(Node child)
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257 {
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258 child is null || addChild(child);
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259 }
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260
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261 void addChildren(Node[] children)
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262 {
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263 assert(children !is null && delegate{
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264 foreach (child; children)
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265 if (child is null)
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266 return false;
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267 return true; }(),
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268 "failed in " ~ this.classinfo.name
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269 );
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270 this.children ~= children;
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271 }
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272
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273 void addOptChildren(Node[] children)
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274 {
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275 children is null || addChildren(children);
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276 }
142
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277 }