annotate dmd/expression.h @ 351:f273f5c58a9a trunk

[svn r372] Fixed extern(C++) handling now same as DMD, which is to treat it like extern(C). Fixed a problem in resolving struct types where the size of elements might not yet be known. Switched to using DMD size() instead of LLVM ABI size (TargetData).
author lindquist
date Mon, 14 Jul 2008 03:23:43 +0200
parents aaade6ded589
children 9db9099583ca
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1
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2 // Compiler implementation of the D programming language
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3 // Copyright (c) 1999-2008 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_EXPRESSION_H
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12 #define DMD_EXPRESSION_H
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13
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14 #include "mars.h"
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15 #include "identifier.h"
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16 #include "lexer.h"
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17 #include "arraytypes.h"
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18
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19 struct Type;
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20 struct Scope;
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21 struct TupleDeclaration;
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22 struct VarDeclaration;
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23 struct FuncDeclaration;
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24 struct FuncLiteralDeclaration;
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25 struct Declaration;
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26 struct CtorDeclaration;
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27 struct NewDeclaration;
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28 struct Dsymbol;
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29 struct Import;
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30 struct Module;
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31 struct ScopeDsymbol;
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32 struct InlineCostState;
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33 struct InlineDoState;
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34 struct InlineScanState;
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35 struct Expression;
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36 struct Declaration;
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37 struct AggregateDeclaration;
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38 struct StructDeclaration;
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39 struct TemplateInstance;
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40 struct TemplateDeclaration;
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41 struct ClassDeclaration;
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42 struct HdrGenState;
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43 struct BinExp;
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44 struct InterState;
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45 struct Symbol; // back end symbol
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46
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47 namespace llvm
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48 {
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49 class Constant;
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50 class ConstantInt;
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51 }
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52
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53 enum TOK;
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54
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55 // Back end
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56 struct IRState;
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57 struct dt_t;
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58
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59 #if IN_LLVM
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60 struct DValue;
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61 typedef DValue elem;
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62 #else
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63 #ifdef IN_GCC
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64 union tree_node; typedef union tree_node elem;
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65 #else
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66 struct elem;
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67 #endif
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68 #endif
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69
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70 void initPrecedence();
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71
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72 Expression *resolveProperties(Scope *sc, Expression *e);
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73 void accessCheck(Loc loc, Scope *sc, Expression *e, Declaration *d);
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74 Dsymbol *search_function(AggregateDeclaration *ad, Identifier *funcid);
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75 void inferApplyArgTypes(enum TOK op, Arguments *arguments, Expression *aggr);
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76 void argExpTypesToCBuffer(OutBuffer *buf, Expressions *arguments, HdrGenState *hgs);
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77 void argsToCBuffer(OutBuffer *buf, Expressions *arguments, HdrGenState *hgs);
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78 void expandTuples(Expressions *exps);
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79 FuncDeclaration *hasThis(Scope *sc);
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80 Expression *fromConstInitializer(int result, Expression *e);
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81
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82 struct Expression : Object
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83 {
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84 Loc loc; // file location
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85 enum TOK op; // handy to minimize use of dynamic_cast
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86 Type *type; // !=NULL means that semantic() has been run
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87 int size; // # of bytes in Expression so we can copy() it
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88
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89 Expression(Loc loc, enum TOK op, int size);
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90 Expression *copy();
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91 virtual Expression *syntaxCopy();
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92 virtual Expression *semantic(Scope *sc);
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93
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94 int dyncast() { return DYNCAST_EXPRESSION; } // kludge for template.isExpression()
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95
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96 void print();
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97 char *toChars();
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98 virtual void dump(int indent);
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99 void error(const char *format, ...);
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100 virtual void rvalue();
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101
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102 static Expression *combine(Expression *e1, Expression *e2);
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103 static Expressions *arraySyntaxCopy(Expressions *exps);
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104
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105 virtual integer_t toInteger();
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106 virtual uinteger_t toUInteger();
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107 virtual real_t toReal();
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108 virtual real_t toImaginary();
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109 virtual complex_t toComplex();
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110 virtual void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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111 virtual void toMangleBuffer(OutBuffer *buf);
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112 virtual Expression *toLvalue(Scope *sc, Expression *e);
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113 virtual Expression *modifiableLvalue(Scope *sc, Expression *e);
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114 Expression *implicitCastTo(Scope *sc, Type *t);
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115 virtual MATCH implicitConvTo(Type *t);
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116 virtual Expression *castTo(Scope *sc, Type *t);
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117 virtual void checkEscape();
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118 void checkScalar();
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119 void checkNoBool();
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120 Expression *checkIntegral();
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121 Expression *checkArithmetic();
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122 void checkDeprecated(Scope *sc, Dsymbol *s);
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123 virtual Expression *checkToBoolean();
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124 Expression *checkToPointer();
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125 Expression *addressOf(Scope *sc);
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126 Expression *deref();
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127 Expression *integralPromotions(Scope *sc);
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128
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129 Expression *toDelegate(Scope *sc, Type *t);
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130 virtual void scanForNestedRef(Scope *sc);
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131
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132 virtual Expression *optimize(int result);
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133 #define WANTflags 1
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134 #define WANTvalue 2
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135 #define WANTinterpret 4
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136
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137 virtual Expression *interpret(InterState *istate);
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138
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139 virtual int isConst();
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140 virtual int isBool(int result);
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141 virtual int isBit();
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142 virtual int checkSideEffect(int flag);
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143 virtual int canThrow();
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144
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145 virtual int inlineCost(InlineCostState *ics);
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146 virtual Expression *doInline(InlineDoState *ids);
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147 virtual Expression *inlineScan(InlineScanState *iss);
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148
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149 // For operator overloading
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150 virtual int isCommutative();
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151 virtual Identifier *opId();
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152 virtual Identifier *opId_r();
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153
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154 // Back end
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155 virtual elem *toElem(IRState *irs);
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156 virtual dt_t **toDt(dt_t **pdt);
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157 // LLVMDC
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158 virtual llvm::Constant *toConstElem(IRState *irs);
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159 };
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160
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161 struct IntegerExp : Expression
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162 {
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163 integer_t value;
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164
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165 IntegerExp(Loc loc, integer_t value, Type *type);
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166 IntegerExp(integer_t value);
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167 int equals(Object *o);
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168 Expression *semantic(Scope *sc);
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169 Expression *interpret(InterState *istate);
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170 char *toChars();
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171 void dump(int indent);
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172 integer_t toInteger();
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173 real_t toReal();
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174 real_t toImaginary();
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175 complex_t toComplex();
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176 int isConst();
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177 int isBool(int result);
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178 MATCH implicitConvTo(Type *t);
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179 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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180 void toMangleBuffer(OutBuffer *buf);
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181 Expression *toLvalue(Scope *sc, Expression *e);
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182 elem *toElem(IRState *irs);
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183 dt_t **toDt(dt_t **pdt);
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184 // LLVMDC
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185 virtual llvm::Constant *toConstElem(IRState *irs);
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186 };
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187
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188 struct RealExp : Expression
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189 {
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190 real_t value;
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191
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192 RealExp(Loc loc, real_t value, Type *type);
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193 int equals(Object *o);
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194 Expression *semantic(Scope *sc);
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195 Expression *interpret(InterState *istate);
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196 char *toChars();
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197 integer_t toInteger();
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198 uinteger_t toUInteger();
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199 real_t toReal();
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200 real_t toImaginary();
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201 complex_t toComplex();
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202 Expression *castTo(Scope *sc, Type *t);
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203 int isConst();
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204 int isBool(int result);
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205 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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206 void toMangleBuffer(OutBuffer *buf);
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207 elem *toElem(IRState *irs);
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208 dt_t **toDt(dt_t **pdt);
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209 // LLVMDC
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210 virtual llvm::Constant *toConstElem(IRState *irs);
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211 };
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212
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213 struct ComplexExp : Expression
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214 {
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215 complex_t value;
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216
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217 ComplexExp(Loc loc, complex_t value, Type *type);
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218 int equals(Object *o);
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219 Expression *semantic(Scope *sc);
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220 Expression *interpret(InterState *istate);
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221 char *toChars();
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222 integer_t toInteger();
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223 uinteger_t toUInteger();
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224 real_t toReal();
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225 real_t toImaginary();
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226 complex_t toComplex();
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227 Expression *castTo(Scope *sc, Type *t);
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228 int isConst();
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229 int isBool(int result);
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230 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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231 void toMangleBuffer(OutBuffer *buf);
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232 #ifdef _DH
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233 OutBuffer hexp;
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234 #endif
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235 elem *toElem(IRState *irs);
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236 dt_t **toDt(dt_t **pdt);
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237 // LLVMDC
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238 virtual llvm::Constant *toConstElem(IRState *irs);
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239 };
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240
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241 struct IdentifierExp : Expression
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242 {
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243 Identifier *ident;
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244 Declaration *var;
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245
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246 IdentifierExp(Loc loc, Identifier *ident);
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247 IdentifierExp(Loc loc, Declaration *var);
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248 Expression *semantic(Scope *sc);
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249 char *toChars();
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250 void dump(int indent);
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251 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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252 Expression *toLvalue(Scope *sc, Expression *e);
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253 };
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254
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255 struct DollarExp : IdentifierExp
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256 {
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257 DollarExp(Loc loc);
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258 };
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259
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260 struct DsymbolExp : Expression
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261 {
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262 Dsymbol *s;
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263
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264 DsymbolExp(Loc loc, Dsymbol *s);
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265 Expression *semantic(Scope *sc);
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266 char *toChars();
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267 void dump(int indent);
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268 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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269 Expression *toLvalue(Scope *sc, Expression *e);
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270 };
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271
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272 struct ThisExp : Expression
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273 {
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274 Declaration *var;
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275
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276 ThisExp(Loc loc);
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277 Expression *semantic(Scope *sc);
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278 int isBool(int result);
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279 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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280 Expression *toLvalue(Scope *sc, Expression *e);
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281 void scanForNestedRef(Scope *sc);
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282
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283 int inlineCost(InlineCostState *ics);
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284 Expression *doInline(InlineDoState *ids);
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285 //Expression *inlineScan(InlineScanState *iss);
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286
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287 elem *toElem(IRState *irs);
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288 };
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289
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290 struct SuperExp : ThisExp
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291 {
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292 SuperExp(Loc loc);
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293 Expression *semantic(Scope *sc);
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294 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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295 void scanForNestedRef(Scope *sc);
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296
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297 int inlineCost(InlineCostState *ics);
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298 Expression *doInline(InlineDoState *ids);
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299 //Expression *inlineScan(InlineScanState *iss);
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300 };
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301
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302 struct NullExp : Expression
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303 {
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304 unsigned char committed; // !=0 if type is committed
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305
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306 NullExp(Loc loc);
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307 Expression *semantic(Scope *sc);
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308 int isBool(int result);
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309 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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310 void toMangleBuffer(OutBuffer *buf);
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311 MATCH implicitConvTo(Type *t);
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312 Expression *castTo(Scope *sc, Type *t);
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313 Expression *interpret(InterState *istate);
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314 elem *toElem(IRState *irs);
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315 dt_t **toDt(dt_t **pdt);
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316 // LLVMDC
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317 virtual llvm::Constant *toConstElem(IRState *irs);
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318 };
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319
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320 struct StringExp : Expression
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321 {
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322 void *string; // char, wchar, or dchar data
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323 size_t len; // number of chars, wchars, or dchars
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324 unsigned char sz; // 1: char, 2: wchar, 4: dchar
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325 unsigned char committed; // !=0 if type is committed
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326 unsigned char postfix; // 'c', 'w', 'd'
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327
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328 StringExp(Loc loc, char *s);
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329 StringExp(Loc loc, void *s, size_t len);
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330 StringExp(Loc loc, void *s, size_t len, unsigned char postfix);
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331 //Expression *syntaxCopy();
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332 int equals(Object *o);
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333 char *toChars();
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334 Expression *semantic(Scope *sc);
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335 Expression *interpret(InterState *istate);
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336 StringExp *toUTF8(Scope *sc);
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337 MATCH implicitConvTo(Type *t);
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338 Expression *castTo(Scope *sc, Type *t);
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339 int compare(Object *obj);
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340 int isBool(int result);
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341 unsigned charAt(size_t i);
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342 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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343 void toMangleBuffer(OutBuffer *buf);
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344 elem *toElem(IRState *irs);
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345 dt_t **toDt(dt_t **pdt);
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346 // LLVMDC
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347 virtual llvm::Constant *toConstElem(IRState *irs);
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348 };
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349
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350 // Tuple
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351
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352 struct TupleExp : Expression
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353 {
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354 Expressions *exps;
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355
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356 TupleExp(Loc loc, Expressions *exps);
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357 TupleExp(Loc loc, TupleDeclaration *tup);
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358 Expression *syntaxCopy();
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359 int equals(Object *o);
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360 Expression *semantic(Scope *sc);
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361 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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362 void scanForNestedRef(Scope *sc);
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363 void checkEscape();
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364 int checkSideEffect(int flag);
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365 Expression *optimize(int result);
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366 Expression *interpret(InterState *istate);
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367 Expression *castTo(Scope *sc, Type *t);
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368 elem *toElem(IRState *irs);
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369
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370 int inlineCost(InlineCostState *ics);
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371 Expression *doInline(InlineDoState *ids);
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372 Expression *inlineScan(InlineScanState *iss);
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373 };
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374
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375 struct ArrayLiteralExp : Expression
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376 {
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377 Expressions *elements;
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378
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379 ArrayLiteralExp(Loc loc, Expressions *elements);
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380 ArrayLiteralExp(Loc loc, Expression *e);
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381
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382 Expression *syntaxCopy();
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383 Expression *semantic(Scope *sc);
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384 int isBool(int result);
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385 elem *toElem(IRState *irs);
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386 int checkSideEffect(int flag);
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387 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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388 void toMangleBuffer(OutBuffer *buf);
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389 void scanForNestedRef(Scope *sc);
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390 Expression *optimize(int result);
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391 Expression *interpret(InterState *istate);
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392 MATCH implicitConvTo(Type *t);
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393 Expression *castTo(Scope *sc, Type *t);
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394 dt_t **toDt(dt_t **pdt);
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395
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396 int inlineCost(InlineCostState *ics);
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397 Expression *doInline(InlineDoState *ids);
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398 Expression *inlineScan(InlineScanState *iss);
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399 // LLVMDC
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400 virtual llvm::Constant *toConstElem(IRState *irs);
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401 };
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402
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403 struct AssocArrayLiteralExp : Expression
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404 {
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405 Expressions *keys;
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406 Expressions *values;
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407
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408 AssocArrayLiteralExp(Loc loc, Expressions *keys, Expressions *values);
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409
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410 Expression *syntaxCopy();
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411 Expression *semantic(Scope *sc);
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412 int isBool(int result);
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413 elem *toElem(IRState *irs);
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414 int checkSideEffect(int flag);
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415 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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416 void toMangleBuffer(OutBuffer *buf);
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417 void scanForNestedRef(Scope *sc);
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418 Expression *optimize(int result);
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419 Expression *interpret(InterState *istate);
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420 MATCH implicitConvTo(Type *t);
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421 Expression *castTo(Scope *sc, Type *t);
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422
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423 int inlineCost(InlineCostState *ics);
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424 Expression *doInline(InlineDoState *ids);
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425 Expression *inlineScan(InlineScanState *iss);
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426 // LLVMDC
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427 virtual llvm::Constant *toConstElem(IRState *irs);
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428 };
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429
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430 struct StructLiteralExp : Expression
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431 {
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432 StructDeclaration *sd; // which aggregate this is for
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433 Expressions *elements; // parallels sd->fields[] with
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434 // NULL entries for fields to skip
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435
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436 Symbol *sym; // back end symbol to initialize with literal
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437 size_t soffset; // offset from start of s
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438 int fillHoles; // fill alignment 'holes' with zero
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439
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440 StructLiteralExp(Loc loc, StructDeclaration *sd, Expressions *elements);
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441
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442 Expression *syntaxCopy();
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443 Expression *semantic(Scope *sc);
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444 Expression *getField(Type *type, unsigned offset);
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445 int getFieldIndex(Type *type, unsigned offset);
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446 elem *toElem(IRState *irs);
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447 int checkSideEffect(int flag);
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448 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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449 void toMangleBuffer(OutBuffer *buf);
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450 void scanForNestedRef(Scope *sc);
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451 Expression *optimize(int result);
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452 Expression *interpret(InterState *istate);
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453 dt_t **toDt(dt_t **pdt);
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454 Expression *toLvalue(Scope *sc, Expression *e);
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455
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456 int inlineCost(InlineCostState *ics);
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457 Expression *doInline(InlineDoState *ids);
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458 Expression *inlineScan(InlineScanState *iss);
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459 // LLVMDC
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460 virtual llvm::Constant *toConstElem(IRState *irs);
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461 };
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462
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463 struct TypeDotIdExp : Expression
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464 {
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465 Identifier *ident;
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466
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467 TypeDotIdExp(Loc loc, Type *type, Identifier *ident);
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468 Expression *syntaxCopy();
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469 Expression *semantic(Scope *sc);
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470 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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471 elem *toElem(IRState *irs);
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472 };
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473
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474 struct TypeExp : Expression
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475 {
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476 TypeExp(Loc loc, Type *type);
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477 Expression *semantic(Scope *sc);
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478 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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479 Expression *optimize(int result);
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480 elem *toElem(IRState *irs);
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481 };
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482
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483 struct ScopeExp : Expression
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484 {
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485 ScopeDsymbol *sds;
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486
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487 ScopeExp(Loc loc, ScopeDsymbol *sds);
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488 Expression *syntaxCopy();
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489 Expression *semantic(Scope *sc);
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490 elem *toElem(IRState *irs);
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491 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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492 };
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493
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494 struct TemplateExp : Expression
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495 {
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496 TemplateDeclaration *td;
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497
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498 TemplateExp(Loc loc, TemplateDeclaration *td);
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499 void rvalue();
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500 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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501 };
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502
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503 struct NewExp : Expression
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504 {
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505 /* thisexp.new(newargs) newtype(arguments)
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506 */
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507 Expression *thisexp; // if !NULL, 'this' for class being allocated
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508 Expressions *newargs; // Array of Expression's to call new operator
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509 Type *newtype;
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510 Expressions *arguments; // Array of Expression's
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511
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512 CtorDeclaration *member; // constructor function
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513 NewDeclaration *allocator; // allocator function
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514 int onstack; // allocate on stack
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515
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516 NewExp(Loc loc, Expression *thisexp, Expressions *newargs,
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517 Type *newtype, Expressions *arguments);
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518 Expression *syntaxCopy();
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519 Expression *semantic(Scope *sc);
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520 elem *toElem(IRState *irs);
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521 int checkSideEffect(int flag);
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522 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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523 void scanForNestedRef(Scope *sc);
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524
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525 //int inlineCost(InlineCostState *ics);
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526 Expression *doInline(InlineDoState *ids);
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527 //Expression *inlineScan(InlineScanState *iss);
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528 };
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529
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530 struct NewAnonClassExp : Expression
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531 {
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532 /* thisexp.new(newargs) class baseclasses { } (arguments)
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533 */
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534 Expression *thisexp; // if !NULL, 'this' for class being allocated
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535 Expressions *newargs; // Array of Expression's to call new operator
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536 ClassDeclaration *cd; // class being instantiated
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537 Expressions *arguments; // Array of Expression's to call class constructor
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538
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539 NewAnonClassExp(Loc loc, Expression *thisexp, Expressions *newargs,
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540 ClassDeclaration *cd, Expressions *arguments);
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541 Expression *syntaxCopy();
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542 Expression *semantic(Scope *sc);
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543 int checkSideEffect(int flag);
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544 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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545 };
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546
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547 // Offset from symbol
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548
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549 struct SymOffExp : Expression
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550 {
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551 Declaration *var;
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552 unsigned offset;
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553
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554 SymOffExp(Loc loc, Declaration *var, unsigned offset);
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555 Expression *semantic(Scope *sc);
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556 void checkEscape();
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557 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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558 int isConst();
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559 int isBool(int result);
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560 Expression *doInline(InlineDoState *ids);
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561 MATCH implicitConvTo(Type *t);
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562 Expression *castTo(Scope *sc, Type *t);
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563 void scanForNestedRef(Scope *sc);
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564
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565 elem *toElem(IRState *irs);
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566 dt_t **toDt(dt_t **pdt);
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567 };
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568
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569 // Variable
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570
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571 struct VarExp : Expression
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572 {
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573 Declaration *var;
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574
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575 VarExp(Loc loc, Declaration *var);
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576 int equals(Object *o);
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577 Expression *semantic(Scope *sc);
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578 Expression *optimize(int result);
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579 Expression *interpret(InterState *istate);
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580 void dump(int indent);
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581 char *toChars();
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582 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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583 void checkEscape();
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584 Expression *toLvalue(Scope *sc, Expression *e);
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585 Expression *modifiableLvalue(Scope *sc, Expression *e);
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586 elem *toElem(IRState *irs);
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587 dt_t **toDt(dt_t **pdt);
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588 void scanForNestedRef(Scope *sc);
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589
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590 int inlineCost(InlineCostState *ics);
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591 Expression *doInline(InlineDoState *ids);
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592 //Expression *inlineScan(InlineScanState *iss);
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593 // LLVMDC
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594 virtual llvm::Constant *toConstElem(IRState *irs);
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595 };
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596
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597 // Function/Delegate literal
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598
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599 struct FuncExp : Expression
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600 {
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601 FuncLiteralDeclaration *fd;
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602
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603 FuncExp(Loc loc, FuncLiteralDeclaration *fd);
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604 Expression *syntaxCopy();
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605 Expression *semantic(Scope *sc);
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606 void scanForNestedRef(Scope *sc);
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607 char *toChars();
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608 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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609 elem *toElem(IRState *irs);
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610
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611 int inlineCost(InlineCostState *ics);
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612 //Expression *doInline(InlineDoState *ids);
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613 //Expression *inlineScan(InlineScanState *iss);
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614 };
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615
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616 // Declaration of a symbol
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617
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618 struct DeclarationExp : Expression
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619 {
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620 Dsymbol *declaration;
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621
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622 DeclarationExp(Loc loc, Dsymbol *declaration);
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623 Expression *syntaxCopy();
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624 Expression *semantic(Scope *sc);
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625 Expression *interpret(InterState *istate);
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626 int checkSideEffect(int flag);
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627 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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628 elem *toElem(IRState *irs);
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629 void scanForNestedRef(Scope *sc);
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630
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631 int inlineCost(InlineCostState *ics);
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632 Expression *doInline(InlineDoState *ids);
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633 Expression *inlineScan(InlineScanState *iss);
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634 };
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635
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636 struct TypeidExp : Expression
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637 {
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638 Type *typeidType;
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639
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640 TypeidExp(Loc loc, Type *typeidType);
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641 Expression *syntaxCopy();
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642 Expression *semantic(Scope *sc);
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643 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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644 };
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645
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646 struct HaltExp : Expression
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647 {
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648 HaltExp(Loc loc);
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649 Expression *semantic(Scope *sc);
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650 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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651 int checkSideEffect(int flag);
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652
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653 elem *toElem(IRState *irs);
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654 };
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655
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656 struct IsExp : Expression
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657 {
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658 /* is(targ id tok tspec)
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659 * is(targ id == tok2)
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660 */
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661 Type *targ;
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662 Identifier *id; // can be NULL
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663 enum TOK tok; // ':' or '=='
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664 Type *tspec; // can be NULL
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665 enum TOK tok2; // 'struct', 'union', 'typedef', etc.
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666
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667 IsExp(Loc loc, Type *targ, Identifier *id, enum TOK tok, Type *tspec, enum TOK tok2);
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668 Expression *syntaxCopy();
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669 Expression *semantic(Scope *sc);
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670 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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671 };
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672
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673 /****************************************************************/
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674
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675 struct UnaExp : Expression
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676 {
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677 Expression *e1;
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678
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679 UnaExp(Loc loc, enum TOK op, int size, Expression *e1);
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680 Expression *syntaxCopy();
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681 Expression *semantic(Scope *sc);
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682 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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683 Expression *optimize(int result);
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684 void dump(int indent);
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685 void scanForNestedRef(Scope *sc);
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686 Expression *interpretCommon(InterState *istate, Expression *(*fp)(Type *, Expression *));
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687
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diff changeset
688 int inlineCost(InlineCostState *ics);
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diff changeset
689 Expression *doInline(InlineDoState *ids);
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diff changeset
690 Expression *inlineScan(InlineScanState *iss);
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diff changeset
691
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diff changeset
692 Expression *op_overload(Scope *sc); // doesn't need to be virtual
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693 };
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diff changeset
694
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diff changeset
695 struct BinExp : Expression
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696 {
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diff changeset
697 Expression *e1;
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diff changeset
698 Expression *e2;
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diff changeset
699
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diff changeset
700 BinExp(Loc loc, enum TOK op, int size, Expression *e1, Expression *e2);
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diff changeset
701 Expression *syntaxCopy();
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diff changeset
702 Expression *semantic(Scope *sc);
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diff changeset
703 Expression *semanticp(Scope *sc);
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diff changeset
704 Expression *commonSemanticAssign(Scope *sc);
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diff changeset
705 Expression *commonSemanticAssignIntegral(Scope *sc);
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diff changeset
706 int checkSideEffect(int flag);
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diff changeset
707 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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diff changeset
708 Expression *scaleFactor(Scope *sc);
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diff changeset
709 Expression *typeCombine(Scope *sc);
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diff changeset
710 Expression *optimize(int result);
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diff changeset
711 int isunsigned();
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diff changeset
712 void incompatibleTypes();
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diff changeset
713 void dump(int indent);
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diff changeset
714 void scanForNestedRef(Scope *sc);
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diff changeset
715 Expression *interpretCommon(InterState *istate, Expression *(*fp)(Type *, Expression *, Expression *));
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716 Expression *interpretCommon2(InterState *istate, Expression *(*fp)(TOK, Type *, Expression *, Expression *));
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717 Expression *interpretAssignCommon(InterState *istate, Expression *(*fp)(Type *, Expression *, Expression *), int post = 0);
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718
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diff changeset
719 int inlineCost(InlineCostState *ics);
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720 Expression *doInline(InlineDoState *ids);
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721 Expression *inlineScan(InlineScanState *iss);
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722
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723 Expression *op_overload(Scope *sc);
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724
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diff changeset
725 elem *toElemBin(IRState *irs, int op);
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726 };
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727
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diff changeset
728 struct BinAssignExp : BinExp
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729 {
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diff changeset
730 BinAssignExp(Loc loc, enum TOK op, int size, Expression *e1, Expression *e2);
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731 int checkSideEffect(int flag);
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732 };
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733
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diff changeset
734 /****************************************************************/
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735
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diff changeset
736 struct CompileExp : UnaExp
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737 {
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diff changeset
738 CompileExp(Loc loc, Expression *e);
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diff changeset
739 Expression *semantic(Scope *sc);
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diff changeset
740 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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741 };
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diff changeset
742
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diff changeset
743 struct FileExp : UnaExp
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diff changeset
744 {
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diff changeset
745 FileExp(Loc loc, Expression *e);
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diff changeset
746 Expression *semantic(Scope *sc);
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747 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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748 };
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diff changeset
749
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diff changeset
750 struct AssertExp : UnaExp
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diff changeset
751 {
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diff changeset
752 Expression *msg;
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diff changeset
753
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diff changeset
754 AssertExp(Loc loc, Expression *e, Expression *msg = NULL);
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diff changeset
755 Expression *syntaxCopy();
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diff changeset
756 Expression *semantic(Scope *sc);
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diff changeset
757 Expression *interpret(InterState *istate);
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diff changeset
758 int checkSideEffect(int flag);
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diff changeset
759 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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diff changeset
760
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diff changeset
761 int inlineCost(InlineCostState *ics);
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diff changeset
762 Expression *doInline(InlineDoState *ids);
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diff changeset
763 Expression *inlineScan(InlineScanState *iss);
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parents: 108
diff changeset
764
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diff changeset
765 elem *toElem(IRState *irs);
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diff changeset
766 };
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diff changeset
767
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diff changeset
768 struct DotIdExp : UnaExp
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diff changeset
769 {
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diff changeset
770 Identifier *ident;
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diff changeset
771
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diff changeset
772 DotIdExp(Loc loc, Expression *e, Identifier *ident);
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diff changeset
773 Expression *semantic(Scope *sc);
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diff changeset
774 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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diff changeset
775 void dump(int i);
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diff changeset
776 };
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parents: 108
diff changeset
777
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diff changeset
778 struct DotTemplateExp : UnaExp
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diff changeset
779 {
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diff changeset
780 TemplateDeclaration *td;
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diff changeset
781
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diff changeset
782 DotTemplateExp(Loc loc, Expression *e, TemplateDeclaration *td);
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diff changeset
783 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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diff changeset
784 };
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diff changeset
785
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diff changeset
786 struct DotVarExp : UnaExp
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diff changeset
787 {
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diff changeset
788 Declaration *var;
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diff changeset
789
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diff changeset
790 DotVarExp(Loc loc, Expression *e, Declaration *var);
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diff changeset
791 Expression *semantic(Scope *sc);
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diff changeset
792 Expression *toLvalue(Scope *sc, Expression *e);
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diff changeset
793 Expression *modifiableLvalue(Scope *sc, Expression *e);
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diff changeset
794 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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parents: 108
diff changeset
795 void dump(int indent);
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diff changeset
796 elem *toElem(IRState *irs);
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diff changeset
797 };
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diff changeset
798
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diff changeset
799 struct DotTemplateInstanceExp : UnaExp
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diff changeset
800 {
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diff changeset
801 TemplateInstance *ti;
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diff changeset
802
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diff changeset
803 DotTemplateInstanceExp(Loc loc, Expression *e, TemplateInstance *ti);
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diff changeset
804 Expression *syntaxCopy();
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diff changeset
805 Expression *semantic(Scope *sc);
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diff changeset
806 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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diff changeset
807 void dump(int indent);
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diff changeset
808 };
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diff changeset
809
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diff changeset
810 struct DelegateExp : UnaExp
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diff changeset
811 {
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diff changeset
812 FuncDeclaration *func;
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diff changeset
813
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diff changeset
814 DelegateExp(Loc loc, Expression *e, FuncDeclaration *func);
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diff changeset
815 Expression *semantic(Scope *sc);
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diff changeset
816 MATCH implicitConvTo(Type *t);
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diff changeset
817 Expression *castTo(Scope *sc, Type *t);
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diff changeset
818 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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parents: 108
diff changeset
819 void dump(int indent);
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diff changeset
820
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diff changeset
821 int inlineCost(InlineCostState *ics);
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diff changeset
822 elem *toElem(IRState *irs);
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diff changeset
823 };
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diff changeset
824
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diff changeset
825 struct DotTypeExp : UnaExp
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diff changeset
826 {
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diff changeset
827 Dsymbol *sym; // symbol that represents a type
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diff changeset
828
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diff changeset
829 DotTypeExp(Loc loc, Expression *e, Dsymbol *sym);
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diff changeset
830 Expression *semantic(Scope *sc);
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diff changeset
831 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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diff changeset
832 elem *toElem(IRState *irs);
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diff changeset
833 };
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diff changeset
834
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diff changeset
835 struct CallExp : UnaExp
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diff changeset
836 {
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diff changeset
837 Expressions *arguments; // function arguments
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diff changeset
838
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diff changeset
839 CallExp(Loc loc, Expression *e, Expressions *exps);
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diff changeset
840 CallExp(Loc loc, Expression *e);
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diff changeset
841 CallExp(Loc loc, Expression *e, Expression *earg1);
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diff changeset
842 CallExp(Loc loc, Expression *e, Expression *earg1, Expression *earg2);
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diff changeset
843
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diff changeset
844 Expression *syntaxCopy();
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diff changeset
845 Expression *semantic(Scope *sc);
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diff changeset
846 Expression *optimize(int result);
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diff changeset
847 Expression *interpret(InterState *istate);
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diff changeset
848 int checkSideEffect(int flag);
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diff changeset
849 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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diff changeset
850 void dump(int indent);
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diff changeset
851 elem *toElem(IRState *irs);
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diff changeset
852 void scanForNestedRef(Scope *sc);
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diff changeset
853 Expression *toLvalue(Scope *sc, Expression *e);
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diff changeset
854
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diff changeset
855 int inlineCost(InlineCostState *ics);
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diff changeset
856 Expression *doInline(InlineDoState *ids);
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diff changeset
857 Expression *inlineScan(InlineScanState *iss);
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858 };
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diff changeset
859
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diff changeset
860 struct AddrExp : UnaExp
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861 {
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diff changeset
862 AddrExp(Loc loc, Expression *e);
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diff changeset
863 Expression *semantic(Scope *sc);
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diff changeset
864 elem *toElem(IRState *irs);
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diff changeset
865 MATCH implicitConvTo(Type *t);
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diff changeset
866 Expression *castTo(Scope *sc, Type *t);
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diff changeset
867 Expression *optimize(int result);
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diff changeset
868 };
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diff changeset
869
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diff changeset
870 struct PtrExp : UnaExp
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871 {
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diff changeset
872 PtrExp(Loc loc, Expression *e);
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diff changeset
873 PtrExp(Loc loc, Expression *e, Type *t);
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diff changeset
874 Expression *semantic(Scope *sc);
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diff changeset
875 Expression *toLvalue(Scope *sc, Expression *e);
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diff changeset
876 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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diff changeset
877 elem *toElem(IRState *irs);
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diff changeset
878 Expression *optimize(int result);
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diff changeset
879 Expression *interpret(InterState *istate);
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diff changeset
880 };
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diff changeset
881
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diff changeset
882 struct NegExp : UnaExp
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diff changeset
883 {
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diff changeset
884 NegExp(Loc loc, Expression *e);
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diff changeset
885 Expression *semantic(Scope *sc);
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diff changeset
886 Expression *optimize(int result);
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diff changeset
887 Expression *interpret(InterState *istate);
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diff changeset
888
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diff changeset
889 // For operator overloading
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diff changeset
890 Identifier *opId();
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diff changeset
891
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diff changeset
892 elem *toElem(IRState *irs);
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diff changeset
893 };
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diff changeset
894
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diff changeset
895 struct UAddExp : UnaExp
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diff changeset
896 {
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diff changeset
897 UAddExp(Loc loc, Expression *e);
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diff changeset
898 Expression *semantic(Scope *sc);
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diff changeset
899
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diff changeset
900 // For operator overloading
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diff changeset
901 Identifier *opId();
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diff changeset
902 };
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diff changeset
903
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diff changeset
904 struct ComExp : UnaExp
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diff changeset
905 {
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diff changeset
906 ComExp(Loc loc, Expression *e);
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diff changeset
907 Expression *semantic(Scope *sc);
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diff changeset
908 Expression *optimize(int result);
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diff changeset
909 Expression *interpret(InterState *istate);
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diff changeset
910
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diff changeset
911 // For operator overloading
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diff changeset
912 Identifier *opId();
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diff changeset
913
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diff changeset
914 elem *toElem(IRState *irs);
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diff changeset
915 };
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diff changeset
916
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diff changeset
917 struct NotExp : UnaExp
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diff changeset
918 {
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diff changeset
919 NotExp(Loc loc, Expression *e);
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diff changeset
920 Expression *semantic(Scope *sc);
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diff changeset
921 Expression *optimize(int result);
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diff changeset
922 Expression *interpret(InterState *istate);
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diff changeset
923 int isBit();
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diff changeset
924 elem *toElem(IRState *irs);
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diff changeset
925 };
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diff changeset
926
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diff changeset
927 struct BoolExp : UnaExp
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diff changeset
928 {
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diff changeset
929 BoolExp(Loc loc, Expression *e, Type *type);
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diff changeset
930 Expression *semantic(Scope *sc);
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diff changeset
931 Expression *optimize(int result);
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diff changeset
932 Expression *interpret(InterState *istate);
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diff changeset
933 int isBit();
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diff changeset
934 elem *toElem(IRState *irs);
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diff changeset
935 };
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diff changeset
936
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diff changeset
937 struct DeleteExp : UnaExp
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diff changeset
938 {
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diff changeset
939 DeleteExp(Loc loc, Expression *e);
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diff changeset
940 Expression *semantic(Scope *sc);
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diff changeset
941 Expression *checkToBoolean();
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diff changeset
942 int checkSideEffect(int flag);
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diff changeset
943 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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diff changeset
944 elem *toElem(IRState *irs);
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diff changeset
945 };
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diff changeset
946
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diff changeset
947 struct CastExp : UnaExp
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diff changeset
948 {
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diff changeset
949 // Possible to cast to one type while painting to another type
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diff changeset
950 Type *to; // type to cast to
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diff changeset
951
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diff changeset
952 CastExp(Loc loc, Expression *e, Type *t);
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diff changeset
953 Expression *syntaxCopy();
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diff changeset
954 Expression *semantic(Scope *sc);
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diff changeset
955 Expression *optimize(int result);
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diff changeset
956 Expression *interpret(InterState *istate);
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diff changeset
957 int checkSideEffect(int flag);
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diff changeset
958 void checkEscape();
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diff changeset
959 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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diff changeset
960 elem *toElem(IRState *irs);
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diff changeset
961
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diff changeset
962 // For operator overloading
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diff changeset
963 Identifier *opId();
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diff changeset
964 };
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diff changeset
965
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diff changeset
966
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diff changeset
967 struct SliceExp : UnaExp
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diff changeset
968 {
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diff changeset
969 Expression *upr; // NULL if implicit 0
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diff changeset
970 Expression *lwr; // NULL if implicit [length - 1]
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diff changeset
971 VarDeclaration *lengthVar;
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diff changeset
972
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diff changeset
973 SliceExp(Loc loc, Expression *e1, Expression *lwr, Expression *upr);
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diff changeset
974 Expression *syntaxCopy();
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diff changeset
975 Expression *semantic(Scope *sc);
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diff changeset
976 void checkEscape();
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diff changeset
977 Expression *toLvalue(Scope *sc, Expression *e);
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diff changeset
978 Expression *modifiableLvalue(Scope *sc, Expression *e);
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diff changeset
979 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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parents: 108
diff changeset
980 Expression *optimize(int result);
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parents: 108
diff changeset
981 Expression *interpret(InterState *istate);
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diff changeset
982 void dump(int indent);
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diff changeset
983 elem *toElem(IRState *irs);
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diff changeset
984 void scanForNestedRef(Scope *sc);
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diff changeset
985
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diff changeset
986 int inlineCost(InlineCostState *ics);
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diff changeset
987 Expression *doInline(InlineDoState *ids);
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diff changeset
988 Expression *inlineScan(InlineScanState *iss);
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diff changeset
989 };
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diff changeset
990
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diff changeset
991 struct ArrayLengthExp : UnaExp
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diff changeset
992 {
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diff changeset
993 ArrayLengthExp(Loc loc, Expression *e1);
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diff changeset
994 Expression *semantic(Scope *sc);
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diff changeset
995 Expression *optimize(int result);
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parents: 108
diff changeset
996 Expression *interpret(InterState *istate);
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diff changeset
997 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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diff changeset
998 elem *toElem(IRState *irs);
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diff changeset
999 };
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diff changeset
1000
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diff changeset
1001 // e1[a0,a1,a2,a3,...]
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diff changeset
1002
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diff changeset
1003 struct ArrayExp : UnaExp
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diff changeset
1004 {
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diff changeset
1005 Expressions *arguments; // Array of Expression's
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diff changeset
1006
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diff changeset
1007 ArrayExp(Loc loc, Expression *e1, Expressions *arguments);
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diff changeset
1008 Expression *syntaxCopy();
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diff changeset
1009 Expression *semantic(Scope *sc);
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diff changeset
1010 Expression *toLvalue(Scope *sc, Expression *e);
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1011 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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diff changeset
1012 void scanForNestedRef(Scope *sc);
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diff changeset
1013
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diff changeset
1014 // For operator overloading
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diff changeset
1015 Identifier *opId();
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diff changeset
1016
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diff changeset
1017 int inlineCost(InlineCostState *ics);
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diff changeset
1018 Expression *doInline(InlineDoState *ids);
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diff changeset
1019 Expression *inlineScan(InlineScanState *iss);
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diff changeset
1020 };
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diff changeset
1021
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diff changeset
1022 /****************************************************************/
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diff changeset
1023
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diff changeset
1024 struct DotExp : BinExp
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diff changeset
1025 {
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diff changeset
1026 DotExp(Loc loc, Expression *e1, Expression *e2);
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diff changeset
1027 Expression *semantic(Scope *sc);
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diff changeset
1028 };
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diff changeset
1029
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diff changeset
1030 struct CommaExp : BinExp
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1031 {
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1032 CommaExp(Loc loc, Expression *e1, Expression *e2);
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1033 Expression *semantic(Scope *sc);
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diff changeset
1034 void checkEscape();
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diff changeset
1035 Expression *toLvalue(Scope *sc, Expression *e);
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1036 Expression *modifiableLvalue(Scope *sc, Expression *e);
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diff changeset
1037 int isBool(int result);
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diff changeset
1038 int checkSideEffect(int flag);
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diff changeset
1039 Expression *optimize(int result);
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1040 Expression *interpret(InterState *istate);
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1041 elem *toElem(IRState *irs);
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1042 };
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1043
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1044 struct IndexExp : BinExp
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1045 {
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1046 VarDeclaration *lengthVar;
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1047 int modifiable;
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diff changeset
1048
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1049 IndexExp(Loc loc, Expression *e1, Expression *e2);
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1050 Expression *semantic(Scope *sc);
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1051 Expression *toLvalue(Scope *sc, Expression *e);
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1052 Expression *modifiableLvalue(Scope *sc, Expression *e);
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1053 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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1054 Expression *optimize(int result);
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1055 Expression *interpret(InterState *istate);
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1056 Expression *doInline(InlineDoState *ids);
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1057 void scanForNestedRef(Scope *sc);
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1058
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1059 elem *toElem(IRState *irs);
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1060 };
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diff changeset
1061
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diff changeset
1062 /* For both i++ and i--
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1063 */
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1064 struct PostExp : BinExp
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1065 {
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1066 PostExp(enum TOK op, Loc loc, Expression *e);
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1067 Expression *semantic(Scope *sc);
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1068 Expression *interpret(InterState *istate);
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1069 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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1070 Identifier *opId(); // For operator overloading
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1071 elem *toElem(IRState *irs);
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1072 };
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1073
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1074 struct AssignExp : BinExp
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1075 { int ismemset; // !=0 if setting the contents of an array
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1076
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1077 AssignExp(Loc loc, Expression *e1, Expression *e2);
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1078 Expression *semantic(Scope *sc);
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diff changeset
1079 Expression *checkToBoolean();
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diff changeset
1080 Expression *interpret(InterState *istate);
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diff changeset
1081 Identifier *opId(); // For operator overloading
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1082 elem *toElem(IRState *irs);
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1083 };
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diff changeset
1084
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diff changeset
1085 #define ASSIGNEXP(op) \
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diff changeset
1086 struct op##AssignExp : BinExp \
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diff changeset
1087 { \
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diff changeset
1088 op##AssignExp(Loc loc, Expression *e1, Expression *e2); \
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1089 Expression *semantic(Scope *sc); \
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diff changeset
1090 Expression *interpret(InterState *istate); \
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diff changeset
1091 \
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diff changeset
1092 Identifier *opId(); /* For operator overloading */ \
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diff changeset
1093 \
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diff changeset
1094 elem *toElem(IRState *irs); \
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1095 };
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diff changeset
1096
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diff changeset
1097 ASSIGNEXP(Add)
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diff changeset
1098 ASSIGNEXP(Min)
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diff changeset
1099 ASSIGNEXP(Cat)
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diff changeset
1100 ASSIGNEXP(Mul)
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diff changeset
1101 ASSIGNEXP(Div)
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diff changeset
1102 ASSIGNEXP(Mod)
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diff changeset
1103 ASSIGNEXP(Shl)
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diff changeset
1104 ASSIGNEXP(Shr)
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diff changeset
1105 ASSIGNEXP(Ushr)
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diff changeset
1106 ASSIGNEXP(And)
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diff changeset
1107 ASSIGNEXP(Or)
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diff changeset
1108 ASSIGNEXP(Xor)
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diff changeset
1109
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diff changeset
1110 #undef ASSIGNEXP
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diff changeset
1111
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1112 struct AddExp : BinExp
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1113 {
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diff changeset
1114 AddExp(Loc loc, Expression *e1, Expression *e2);
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diff changeset
1115 Expression *semantic(Scope *sc);
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diff changeset
1116 Expression *optimize(int result);
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diff changeset
1117 Expression *interpret(InterState *istate);
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diff changeset
1118
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diff changeset
1119 // For operator overloading
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diff changeset
1120 int isCommutative();
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diff changeset
1121 Identifier *opId();
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diff changeset
1122 Identifier *opId_r();
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diff changeset
1123
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diff changeset
1124 elem *toElem(IRState *irs);
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diff changeset
1125
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diff changeset
1126 // LLVMDC
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diff changeset
1127 bool llvmFieldIndex;
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diff changeset
1128 };
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diff changeset
1129
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diff changeset
1130 struct MinExp : BinExp
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diff changeset
1131 {
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diff changeset
1132 MinExp(Loc loc, Expression *e1, Expression *e2);
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diff changeset
1133 Expression *semantic(Scope *sc);
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diff changeset
1134 Expression *optimize(int result);
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diff changeset
1135 Expression *interpret(InterState *istate);
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diff changeset
1136
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diff changeset
1137 // For operator overloading
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diff changeset
1138 Identifier *opId();
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diff changeset
1139 Identifier *opId_r();
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diff changeset
1140
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diff changeset
1141 elem *toElem(IRState *irs);
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diff changeset
1142 };
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diff changeset
1143
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diff changeset
1144 struct CatExp : BinExp
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diff changeset
1145 {
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diff changeset
1146 CatExp(Loc loc, Expression *e1, Expression *e2);
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diff changeset
1147 Expression *semantic(Scope *sc);
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diff changeset
1148 Expression *optimize(int result);
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diff changeset
1149 Expression *interpret(InterState *istate);
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diff changeset
1150
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diff changeset
1151 // For operator overloading
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diff changeset
1152 Identifier *opId();
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diff changeset
1153 Identifier *opId_r();
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diff changeset
1154
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diff changeset
1155 elem *toElem(IRState *irs);
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diff changeset
1156 };
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diff changeset
1157
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diff changeset
1158 struct MulExp : BinExp
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diff changeset
1159 {
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diff changeset
1160 MulExp(Loc loc, Expression *e1, Expression *e2);
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diff changeset
1161 Expression *semantic(Scope *sc);
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diff changeset
1162 Expression *optimize(int result);
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diff changeset
1163 Expression *interpret(InterState *istate);
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diff changeset
1164
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diff changeset
1165 // For operator overloading
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diff changeset
1166 int isCommutative();
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diff changeset
1167 Identifier *opId();
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diff changeset
1168 Identifier *opId_r();
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diff changeset
1169
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diff changeset
1170 elem *toElem(IRState *irs);
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diff changeset
1171 };
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diff changeset
1172
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diff changeset
1173 struct DivExp : BinExp
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diff changeset
1174 {
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diff changeset
1175 DivExp(Loc loc, Expression *e1, Expression *e2);
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diff changeset
1176 Expression *semantic(Scope *sc);
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diff changeset
1177 Expression *optimize(int result);
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diff changeset
1178 Expression *interpret(InterState *istate);
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diff changeset
1179
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diff changeset
1180 // For operator overloading
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diff changeset
1181 Identifier *opId();
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diff changeset
1182 Identifier *opId_r();
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parents: 108
diff changeset
1183
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diff changeset
1184 elem *toElem(IRState *irs);
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diff changeset
1185 };
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diff changeset
1186
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diff changeset
1187 struct ModExp : BinExp
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diff changeset
1188 {
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diff changeset
1189 ModExp(Loc loc, Expression *e1, Expression *e2);
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diff changeset
1190 Expression *semantic(Scope *sc);
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diff changeset
1191 Expression *optimize(int result);
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diff changeset
1192 Expression *interpret(InterState *istate);
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diff changeset
1193
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diff changeset
1194 // For operator overloading
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diff changeset
1195 Identifier *opId();
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diff changeset
1196 Identifier *opId_r();
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diff changeset
1197
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diff changeset
1198 elem *toElem(IRState *irs);
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diff changeset
1199 };
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diff changeset
1200
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diff changeset
1201 struct ShlExp : BinExp
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diff changeset
1202 {
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diff changeset
1203 ShlExp(Loc loc, Expression *e1, Expression *e2);
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diff changeset
1204 Expression *semantic(Scope *sc);
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diff changeset
1205 Expression *optimize(int result);
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diff changeset
1206 Expression *interpret(InterState *istate);
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diff changeset
1207
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diff changeset
1208 // For operator overloading
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diff changeset
1209 Identifier *opId();
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diff changeset
1210 Identifier *opId_r();
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diff changeset
1211
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diff changeset
1212 elem *toElem(IRState *irs);
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diff changeset
1213 };
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diff changeset
1214
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diff changeset
1215 struct ShrExp : BinExp
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diff changeset
1216 {
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diff changeset
1217 ShrExp(Loc loc, Expression *e1, Expression *e2);
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diff changeset
1218 Expression *semantic(Scope *sc);
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diff changeset
1219 Expression *optimize(int result);
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diff changeset
1220 Expression *interpret(InterState *istate);
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diff changeset
1221
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diff changeset
1222 // For operator overloading
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diff changeset
1223 Identifier *opId();
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diff changeset
1224 Identifier *opId_r();
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parents: 108
diff changeset
1225
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diff changeset
1226 elem *toElem(IRState *irs);
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diff changeset
1227 };
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diff changeset
1228
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diff changeset
1229 struct UshrExp : BinExp
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diff changeset
1230 {
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diff changeset
1231 UshrExp(Loc loc, Expression *e1, Expression *e2);
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diff changeset
1232 Expression *semantic(Scope *sc);
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diff changeset
1233 Expression *optimize(int result);
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diff changeset
1234 Expression *interpret(InterState *istate);
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diff changeset
1235
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diff changeset
1236 // For operator overloading
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diff changeset
1237 Identifier *opId();
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diff changeset
1238 Identifier *opId_r();
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diff changeset
1239
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diff changeset
1240 elem *toElem(IRState *irs);
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1241 };
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diff changeset
1242
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diff changeset
1243 struct AndExp : BinExp
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diff changeset
1244 {
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diff changeset
1245 AndExp(Loc loc, Expression *e1, Expression *e2);
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diff changeset
1246 Expression *semantic(Scope *sc);
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diff changeset
1247 Expression *optimize(int result);
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diff changeset
1248 Expression *interpret(InterState *istate);
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diff changeset
1249
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diff changeset
1250 // For operator overloading
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diff changeset
1251 int isCommutative();
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diff changeset
1252 Identifier *opId();
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diff changeset
1253 Identifier *opId_r();
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diff changeset
1254
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diff changeset
1255 elem *toElem(IRState *irs);
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diff changeset
1256 };
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diff changeset
1257
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diff changeset
1258 struct OrExp : BinExp
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diff changeset
1259 {
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diff changeset
1260 OrExp(Loc loc, Expression *e1, Expression *e2);
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diff changeset
1261 Expression *semantic(Scope *sc);
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diff changeset
1262 Expression *optimize(int result);
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diff changeset
1263 Expression *interpret(InterState *istate);
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diff changeset
1264
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diff changeset
1265 // For operator overloading
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diff changeset
1266 int isCommutative();
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parents: 108
diff changeset
1267 Identifier *opId();
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diff changeset
1268 Identifier *opId_r();
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parents: 108
diff changeset
1269
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diff changeset
1270 elem *toElem(IRState *irs);
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diff changeset
1271 };
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diff changeset
1272
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diff changeset
1273 struct XorExp : BinExp
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diff changeset
1274 {
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diff changeset
1275 XorExp(Loc loc, Expression *e1, Expression *e2);
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diff changeset
1276 Expression *semantic(Scope *sc);
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diff changeset
1277 Expression *optimize(int result);
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diff changeset
1278 Expression *interpret(InterState *istate);
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diff changeset
1279
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diff changeset
1280 // For operator overloading
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diff changeset
1281 int isCommutative();
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parents: 108
diff changeset
1282 Identifier *opId();
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parents: 108
diff changeset
1283 Identifier *opId_r();
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parents: 108
diff changeset
1284
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diff changeset
1285 elem *toElem(IRState *irs);
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diff changeset
1286 };
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diff changeset
1287
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diff changeset
1288 struct OrOrExp : BinExp
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diff changeset
1289 {
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diff changeset
1290 OrOrExp(Loc loc, Expression *e1, Expression *e2);
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parents: 108
diff changeset
1291 Expression *semantic(Scope *sc);
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diff changeset
1292 Expression *checkToBoolean();
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diff changeset
1293 int isBit();
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parents: 108
diff changeset
1294 Expression *optimize(int result);
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parents: 108
diff changeset
1295 Expression *interpret(InterState *istate);
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diff changeset
1296 int checkSideEffect(int flag);
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parents: 108
diff changeset
1297 elem *toElem(IRState *irs);
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diff changeset
1298 };
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diff changeset
1299
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diff changeset
1300 struct AndAndExp : BinExp
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diff changeset
1301 {
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diff changeset
1302 AndAndExp(Loc loc, Expression *e1, Expression *e2);
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parents: 108
diff changeset
1303 Expression *semantic(Scope *sc);
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parents: 108
diff changeset
1304 Expression *checkToBoolean();
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diff changeset
1305 int isBit();
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parents: 108
diff changeset
1306 Expression *optimize(int result);
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parents: 108
diff changeset
1307 Expression *interpret(InterState *istate);
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parents: 108
diff changeset
1308 int checkSideEffect(int flag);
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parents: 108
diff changeset
1309 elem *toElem(IRState *irs);
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diff changeset
1310 };
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diff changeset
1311
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diff changeset
1312 struct CmpExp : BinExp
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diff changeset
1313 {
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diff changeset
1314 CmpExp(enum TOK op, Loc loc, Expression *e1, Expression *e2);
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parents: 108
diff changeset
1315 Expression *semantic(Scope *sc);
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parents: 108
diff changeset
1316 Expression *optimize(int result);
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parents: 108
diff changeset
1317 Expression *interpret(InterState *istate);
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parents: 108
diff changeset
1318 int isBit();
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diff changeset
1319
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diff changeset
1320 // For operator overloading
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diff changeset
1321 int isCommutative();
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parents: 108
diff changeset
1322 Identifier *opId();
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parents: 108
diff changeset
1323
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diff changeset
1324 elem *toElem(IRState *irs);
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diff changeset
1325 };
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parents: 108
diff changeset
1326
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diff changeset
1327 struct InExp : BinExp
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diff changeset
1328 {
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diff changeset
1329 InExp(Loc loc, Expression *e1, Expression *e2);
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parents: 108
diff changeset
1330 Expression *semantic(Scope *sc);
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parents: 108
diff changeset
1331 int isBit();
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parents: 108
diff changeset
1332
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diff changeset
1333 // For operator overloading
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parents: 108
diff changeset
1334 Identifier *opId();
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parents: 108
diff changeset
1335 Identifier *opId_r();
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parents: 108
diff changeset
1336
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diff changeset
1337 elem *toElem(IRState *irs);
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parents: 108
diff changeset
1338 };
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parents: 108
diff changeset
1339
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parents: 108
diff changeset
1340 struct RemoveExp : BinExp
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parents: 108
diff changeset
1341 {
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diff changeset
1342 RemoveExp(Loc loc, Expression *e1, Expression *e2);
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parents: 108
diff changeset
1343 elem *toElem(IRState *irs);
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diff changeset
1344 };
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diff changeset
1345
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diff changeset
1346 // == and !=
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parents: 108
diff changeset
1347
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parents: 108
diff changeset
1348 struct EqualExp : BinExp
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parents: 108
diff changeset
1349 {
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parents: 108
diff changeset
1350 EqualExp(enum TOK op, Loc loc, Expression *e1, Expression *e2);
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parents: 108
diff changeset
1351 Expression *semantic(Scope *sc);
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parents: 108
diff changeset
1352 Expression *optimize(int result);
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parents: 108
diff changeset
1353 Expression *interpret(InterState *istate);
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parents: 108
diff changeset
1354 int isBit();
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parents: 108
diff changeset
1355
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parents: 108
diff changeset
1356 // For operator overloading
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parents: 108
diff changeset
1357 int isCommutative();
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parents: 108
diff changeset
1358 Identifier *opId();
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parents: 108
diff changeset
1359
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parents: 108
diff changeset
1360 elem *toElem(IRState *irs);
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parents: 108
diff changeset
1361 };
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parents: 108
diff changeset
1362
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diff changeset
1363 // === and !===
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diff changeset
1364
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diff changeset
1365 struct IdentityExp : BinExp
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parents: 108
diff changeset
1366 {
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diff changeset
1367 IdentityExp(enum TOK op, Loc loc, Expression *e1, Expression *e2);
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parents: 108
diff changeset
1368 Expression *semantic(Scope *sc);
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parents: 108
diff changeset
1369 int isBit();
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parents: 108
diff changeset
1370 Expression *optimize(int result);
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parents: 108
diff changeset
1371 Expression *interpret(InterState *istate);
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parents: 108
diff changeset
1372 elem *toElem(IRState *irs);
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diff changeset
1373 };
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diff changeset
1374
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diff changeset
1375 /****************************************************************/
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1376
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1377 struct CondExp : BinExp
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1378 {
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1379 Expression *econd;
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1380
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1381 CondExp(Loc loc, Expression *econd, Expression *e1, Expression *e2);
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1382 Expression *syntaxCopy();
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1383 Expression *semantic(Scope *sc);
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1384 Expression *optimize(int result);
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1385 Expression *interpret(InterState *istate);
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1386 void checkEscape();
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1387 Expression *toLvalue(Scope *sc, Expression *e);
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1388 Expression *modifiableLvalue(Scope *sc, Expression *e);
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1389 Expression *checkToBoolean();
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1390 int checkSideEffect(int flag);
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1391 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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1392 MATCH implicitConvTo(Type *t);
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1393 Expression *castTo(Scope *sc, Type *t);
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1394 void scanForNestedRef(Scope *sc);
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1395
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1396 int inlineCost(InlineCostState *ics);
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1397 Expression *doInline(InlineDoState *ids);
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1398 Expression *inlineScan(InlineScanState *iss);
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1399
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1400 elem *toElem(IRState *irs);
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1401 };
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1402
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1403
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1404 /****************************************************************/
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1405
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1406 /* Special values used by the interpreter
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1407 */
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1408 #define EXP_CANT_INTERPRET ((Expression *)1)
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1409 #define EXP_CONTINUE_INTERPRET ((Expression *)2)
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1410 #define EXP_BREAK_INTERPRET ((Expression *)3)
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1411 #define EXP_GOTO_INTERPRET ((Expression *)4)
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1412 #define EXP_VOID_INTERPRET ((Expression *)5)
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1413
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1414 Expression *expType(Type *type, Expression *e);
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1415
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1416 Expression *Neg(Type *type, Expression *e1);
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1417 Expression *Com(Type *type, Expression *e1);
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1418 Expression *Not(Type *type, Expression *e1);
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1419 Expression *Bool(Type *type, Expression *e1);
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1420 Expression *Cast(Type *type, Type *to, Expression *e1);
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1421 Expression *ArrayLength(Type *type, Expression *e1);
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1422 Expression *Ptr(Type *type, Expression *e1);
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1423
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1424 Expression *Add(Type *type, Expression *e1, Expression *e2);
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1425 Expression *Min(Type *type, Expression *e1, Expression *e2);
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1426 Expression *Mul(Type *type, Expression *e1, Expression *e2);
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1427 Expression *Div(Type *type, Expression *e1, Expression *e2);
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1428 Expression *Mod(Type *type, Expression *e1, Expression *e2);
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1429 Expression *Shl(Type *type, Expression *e1, Expression *e2);
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1430 Expression *Shr(Type *type, Expression *e1, Expression *e2);
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1431 Expression *Ushr(Type *type, Expression *e1, Expression *e2);
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1432 Expression *And(Type *type, Expression *e1, Expression *e2);
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1433 Expression *Or(Type *type, Expression *e1, Expression *e2);
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1434 Expression *Xor(Type *type, Expression *e1, Expression *e2);
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1435 Expression *Index(Type *type, Expression *e1, Expression *e2);
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1436 Expression *Cat(Type *type, Expression *e1, Expression *e2);
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1437
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1438 Expression *Equal(enum TOK op, Type *type, Expression *e1, Expression *e2);
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1439 Expression *Cmp(enum TOK op, Type *type, Expression *e1, Expression *e2);
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1440 Expression *Identity(enum TOK op, Type *type, Expression *e1, Expression *e2);
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1441
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1442 Expression *Slice(Type *type, Expression *e1, Expression *lwr, Expression *upr);
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1443
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1444 #endif /* DMD_EXPRESSION_H */