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annotate trunk/src/dil/semantic/Pass2.d @ 755:90668b83ae5e

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Introduced new module dil.SourceText and class SourceText.
author Aziz K?ksal <aziz.koeksal@gmail.com>
date Wed, 13 Feb 2008 20:21:25 +0100
parents 4f971f6382c7
children c24be8d4f6ab
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1 /++
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2 Author: Aziz Köksal
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3 License: GPL3
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4 +/
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5 module dil.semantic.Pass2;
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6
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7 import dil.ast.DefaultVisitor;
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8 import dil.ast.Node,
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9 dil.ast.Declarations,
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10 dil.ast.Expressions,
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11 dil.ast.Statements,
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12 dil.ast.Types,
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13 dil.ast.Parameters;
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14 import dil.lexer.Identifier;
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15 import dil.semantic.Symbol,
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16 dil.semantic.Symbols,
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17 dil.semantic.Types,
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18 dil.semantic.Scope,
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19 dil.semantic.Module,
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c67d2c3c0b3d Wrote code for SemanticPass2.visit(ImportExpression).
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20 dil.semantic.Analysis,
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21 dil.semantic.Interpreter;
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22 import dil.parser.Parser;
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23 import dil.SourceText;
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24 import dil.Location;
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25 import dil.Information;
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26 import dil.Messages;
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27 import dil.Enums;
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28 import dil.CompilerInfo;
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29 import common;
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30
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31 class SemanticPass2 : DefaultVisitor
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32 {
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33 Scope scop; /// The current scope.
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34 Module modul; /// The module to be semantically checked.
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35
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36 this(Module modul)
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37 {
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38 this.modul = modul;
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39 }
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40
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41 /// Start semantic analysis.
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42 void start()
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43 {
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44 assert(modul.root !is null);
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45 // Create module scope.
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46 scop = new Scope(null, modul);
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47 visit(modul.root);
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48 }
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49
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50 void enterScope(ScopeSymbol s)
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51 {
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52 scop = scop.enter(s);
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53 }
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54
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55 void exitScope()
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56 {
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57 scop = scop.exit();
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58 }
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59
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60 Expression interpret(Expression e)
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61 {
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62 return Interpreter.interpret(e, modul.infoMan, scop);
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63 }
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64
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65 void error(Token* token, char[] formatMsg, ...)
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66 {
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67 auto location = token.getErrorLocation();
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68 auto msg = Format(_arguments, _argptr, formatMsg);
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69 modul.infoMan ~= new SemanticError(location, msg);
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70 }
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71
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72 private alias Declaration D;
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73 private alias Expression E;
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74 private alias Statement S;
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75 private alias TypeNode T;
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76
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77 /// The scope symbol to use in identifier or template instance expressions.
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78 /// E.g.: object.method(); // After 'object' has been visited, dotIdScope is
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79 /// // set, and 'method' will be looked up there.
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80 ScopeSymbol dotIdScope;
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81
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82 override
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83 {
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84 D visit(CompoundDeclaration d)
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85 {
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86 return super.visit(d);
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87 }
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88
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89 D visit(EnumDeclaration d)
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90 {
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91 d.symbol.setCompleting();
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92
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93 Type type = Types.Int; // Default to int.
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94 if (d.baseType)
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95 type = visitT(d.baseType).type;
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96 d.symbol.type = new TypeEnum(d.symbol, type);
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97
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98 enterScope(d.symbol);
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99
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100 foreach (member; d.members)
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101 {
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102 Expression finalValue;
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103 member.symbol.setCompleting();
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104 if (member.value)
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105 {
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106 member.value = visitE(member.value);
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107 finalValue = interpret(member.value);
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108 if (finalValue is Interpreter.NAR)
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109 finalValue = new IntExpression(0, d.symbol.type);
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110 }
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111 //else
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112 // TODO: increment a number variable and assign that to value.
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113 member.symbol.type = d.symbol.type; // Assign TypeEnum.
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114 member.symbol.value = finalValue;
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115 member.symbol.setComplete();
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116 }
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117
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118 exitScope();
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119 d.symbol.setComplete();
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120 return d;
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121 }
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122
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123 D visit(MixinDeclaration md)
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124 {
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125 if (md.decls)
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126 return md.decls;
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127 if (md.isMixinExpression)
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128 {
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129 md.argument = visitE(md.argument);
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130 auto expr = interpret(md.argument);
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131 if (expr is Interpreter.NAR)
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132 return md;
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133 auto stringExpr = expr.Is!(StringExpression);
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134 if (stringExpr is null)
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135 {
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136 error(md.begin, MSG.MixinArgumentMustBeString);
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diff changeset
137 return md;
ff4643a4a97c Wrote code for SemanticPass2.visit(MixinDeclaration).
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 696
diff changeset
138 }
ff4643a4a97c Wrote code for SemanticPass2.visit(MixinDeclaration).
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 696
diff changeset
139 else
ff4643a4a97c Wrote code for SemanticPass2.visit(MixinDeclaration).
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 696
diff changeset
140 { // Parse the declarations in the string.
ff4643a4a97c Wrote code for SemanticPass2.visit(MixinDeclaration).
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 696
diff changeset
141 auto loc = md.begin.getErrorLocation();
ff4643a4a97c Wrote code for SemanticPass2.visit(MixinDeclaration).
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 696
diff changeset
142 auto filePath = loc.filePath;
755
90668b83ae5e Introduced new module dil.SourceText and class SourceText.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 711
diff changeset
143 auto sourceText = new SourceText(filePath, stringExpr.getString());
90668b83ae5e Introduced new module dil.SourceText and class SourceText.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 711
diff changeset
144 auto parser = new Parser(sourceText, modul.infoMan);
704
ff4643a4a97c Wrote code for SemanticPass2.visit(MixinDeclaration).
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 696
diff changeset
145 md.decls = parser.start();
ff4643a4a97c Wrote code for SemanticPass2.visit(MixinDeclaration).
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 696
diff changeset
146 }
ff4643a4a97c Wrote code for SemanticPass2.visit(MixinDeclaration).
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 696
diff changeset
147 }
684
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
148 else
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
149 {
704
ff4643a4a97c Wrote code for SemanticPass2.visit(MixinDeclaration).
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 696
diff changeset
150 // TODO: implement template mixin.
684
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
151 }
704
ff4643a4a97c Wrote code for SemanticPass2.visit(MixinDeclaration).
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 696
diff changeset
152 return md.decls;
684
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
153 }
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
154
694
19a34b69cc7d Renamed some members of BinaryExpression and QualifiedType.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 692
diff changeset
155 T visit(TypeofType t)
19a34b69cc7d Renamed some members of BinaryExpression and QualifiedType.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 692
diff changeset
156 {
19a34b69cc7d Renamed some members of BinaryExpression and QualifiedType.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 692
diff changeset
157 t.e = visitE(t.e);
19a34b69cc7d Renamed some members of BinaryExpression and QualifiedType.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 692
diff changeset
158 t.type = t.e.type;
19a34b69cc7d Renamed some members of BinaryExpression and QualifiedType.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 692
diff changeset
159 return t;
19a34b69cc7d Renamed some members of BinaryExpression and QualifiedType.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 692
diff changeset
160 }
19a34b69cc7d Renamed some members of BinaryExpression and QualifiedType.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 692
diff changeset
161
692
d33895f679eb Tidied up the class Scope a bit.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 684
diff changeset
162 T visit(ArrayType t)
d33895f679eb Tidied up the class Scope a bit.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 684
diff changeset
163 {
d33895f679eb Tidied up the class Scope a bit.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 684
diff changeset
164 return t;
d33895f679eb Tidied up the class Scope a bit.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 684
diff changeset
165 }
d33895f679eb Tidied up the class Scope a bit.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 684
diff changeset
166
684
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
167 T visit(PointerType t)
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
168 {
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
169 t.type = visitT(t.next).type.ptrTo();
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
170 return t;
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
171 }
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
172
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
173 T visit(IntegralType t)
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
174 {
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
175 // A table mapping the kind of a token to its corresponding semantic Type.
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
176 TypeBasic[TOK] tok2Type = [
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
177 TOK.Char : Types.Char, TOK.Wchar : Types.Wchar, TOK.Dchar : Types.Dchar, TOK.Bool : Types.Bool,
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
178 TOK.Byte : Types.Byte, TOK.Ubyte : Types.Ubyte, TOK.Short : Types.Short, TOK.Ushort : Types.Ushort,
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
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179 TOK.Int : Types.Int, TOK.Uint : Types.Uint, TOK.Long : Types.Long, TOK.Ulong : Types.Ulong,
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
180 TOK.Cent : Types.Cent, TOK.Ucent : Types.Ucent,
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
181 TOK.Float : Types.Float, TOK.Double : Types.Double, TOK.Real : Types.Real,
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
182 TOK.Ifloat : Types.Ifloat, TOK.Idouble : Types.Idouble, TOK.Ireal : Types.Ireal,
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
183 TOK.Cfloat : Types.Cfloat, TOK.Cdouble : Types.Cdouble, TOK.Creal : Types.Creal, TOK.Void : Types.Void
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
184 ];
694
19a34b69cc7d Renamed some members of BinaryExpression and QualifiedType.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 692
diff changeset
185 assert(t.tok in tok2Type);
684
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
186 t.type = tok2Type[t.tok];
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
187 return t;
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
188 }
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
189
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
190 E visit(ParenExpression e)
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
191 {
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
192 if (!e.type)
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
193 {
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
194 e.next = visitE(e.next);
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
195 e.type = e.next.type;
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
196 }
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
197 return e;
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
198 }
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
199
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
200 E visit(CommaExpression e)
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
201 {
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
202 if (!e.type)
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
203 {
694
19a34b69cc7d Renamed some members of BinaryExpression and QualifiedType.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 692
diff changeset
204 e.lhs = visitE(e.lhs);
19a34b69cc7d Renamed some members of BinaryExpression and QualifiedType.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 692
diff changeset
205 e.rhs = visitE(e.rhs);
19a34b69cc7d Renamed some members of BinaryExpression and QualifiedType.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 692
diff changeset
206 e.type = e.rhs.type;
684
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
207 }
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
208 return e;
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
209 }
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
210
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
211 E visit(OrOrExpression)
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
212 { return null; }
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
213
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
214 E visit(AndAndExpression)
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
215 { return null; }
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
216
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
217 E visit(SpecialTokenExpression e)
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
218 {
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
219 if (e.type)
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
220 return e.value;
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
221 switch (e.specialToken.kind)
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
222 {
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
223 case TOK.LINE, TOK.VERSION:
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
224 e.value = new IntExpression(e.specialToken.uint_, Types.Uint);
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
225 break;
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
226 case TOK.FILE, TOK.DATE, TOK.TIME, TOK.TIMESTAMP, TOK.VENDOR:
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
227 e.value = new StringExpression(e.specialToken.str);
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
228 break;
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
229 default:
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
230 assert(0);
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
231 }
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
232 e.type = e.value.type;
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
233 return e.value;
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
234 }
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
235
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
236 E visit(DollarExpression e)
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
237 {
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
238 if (e.type)
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
239 return e;
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
240 e.type = Types.Size_t;
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
241 // if (!inArraySubscript)
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
242 // error("$ can only be in an array subscript.");
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
243 return e;
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
244 }
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
245
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
246 E visit(NullExpression e)
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
247 {
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
248 if (!e.type)
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
249 e.type = Types.Void_ptr;
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
250 return e;
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
251 }
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
252
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
253 E visit(BoolExpression e)
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
254 {
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
255 if (e.type)
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
256 return e;
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
257 e.value = new IntExpression(e.toBool(), Types.Bool);
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
258 e.type = Types.Bool;
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
259 return e;
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
260 }
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
261
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
262 E visit(IntExpression e)
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
263 {
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
264 if (e.type)
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
265 return e;
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
266
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
267 if (e.number & 0x8000_0000_0000_0000)
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
268 e.type = Types.Ulong; // 0xFFFF_FFFF_FFFF_FFFF
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
269 else if (e.number & 0xFFFF_FFFF_0000_0000)
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
270 e.type = Types.Long; // 0x7FFF_FFFF_FFFF_FFFF
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
271 else if (e.number & 0x8000_0000)
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
272 e.type = Types.Uint; // 0xFFFF_FFFF
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
273 else
10b314bf37e3 Added module dil.semantic.Pass2.
Aziz K?ksal <aziz.koeksal@gmail.com>
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274 e.type = Types.Int; // 0x7FFF_FFFF
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275 return e;
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276 }
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277
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278 E visit(RealExpression e)
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279 {
704
ff4643a4a97c Wrote code for SemanticPass2.visit(MixinDeclaration).
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280 if (!e.type)
684
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281 e.type = Types.Double;
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282 return e;
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283 }
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284
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285 E visit(ComplexExpression e)
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286 {
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287 if (!e.type)
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288 e.type = Types.Cdouble;
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289 return e;
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290 }
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291
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292 E visit(CharExpression e)
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293 {
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294 if (e.type)
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295 return e;
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296 if (e.character <= 0xFF)
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297 e.type = Types.Char;
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298 else if (e.character <= 0xFFFF)
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299 e.type = Types.Wchar;
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300 else
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301 e.type = Types.Dchar;
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302 return e;
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303 }
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304
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305 E visit(StringExpression e)
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306 {
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307 return e;
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308 }
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309
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310 E visit(MixinExpression me)
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311 {
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312 if (me.type)
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313 return me.expr;
696
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314 me.expr = visitE(me.expr);
708
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315 auto expr = interpret(me.expr);
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c67d2c3c0b3d Wrote code for SemanticPass2.visit(ImportExpression).
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316 if (expr is Interpreter.NAR)
684
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317 return me;
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318 auto stringExpr = expr.Is!(StringExpression);
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319 if (stringExpr is null)
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320 error(me.begin, MSG.MixinArgumentMustBeString);
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321 else
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322 {
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323 auto loc = me.begin.getErrorLocation();
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324 auto filePath = loc.filePath;
755
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325 auto sourceText = new SourceText(filePath, stringExpr.getString());
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326 auto parser = new Parser(sourceText, modul.infoMan);
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327 expr = parser.start2();
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328 expr = visitE(expr); // Check expression.
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329 }
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330 me.expr = expr;
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331 me.type = expr.type;
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332 return me.expr;
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333 }
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334
696
c67d2c3c0b3d Wrote code for SemanticPass2.visit(ImportExpression).
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335 E visit(ImportExpression ie)
684
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336 {
696
c67d2c3c0b3d Wrote code for SemanticPass2.visit(ImportExpression).
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337 if (ie.type)
c67d2c3c0b3d Wrote code for SemanticPass2.visit(ImportExpression).
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338 return ie.expr;
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339 ie.expr = visitE(ie.expr);
708
3a4c7d444467 Added method interpret() to class SemanticPass2.
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340 auto expr = interpret(ie.expr);
696
c67d2c3c0b3d Wrote code for SemanticPass2.visit(ImportExpression).
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341 if (expr is Interpreter.NAR)
c67d2c3c0b3d Wrote code for SemanticPass2.visit(ImportExpression).
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342 return ie;
c67d2c3c0b3d Wrote code for SemanticPass2.visit(ImportExpression).
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343 auto stringExpr = expr.Is!(StringExpression);
c67d2c3c0b3d Wrote code for SemanticPass2.visit(ImportExpression).
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344 //if (stringExpr is null)
c67d2c3c0b3d Wrote code for SemanticPass2.visit(ImportExpression).
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345 // error(me.begin, MSG.ImportArgumentMustBeString);
c67d2c3c0b3d Wrote code for SemanticPass2.visit(ImportExpression).
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346 // TODO: load file
c67d2c3c0b3d Wrote code for SemanticPass2.visit(ImportExpression).
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347 //ie.expr = new StringExpression(loadImportFile(stringExpr.getString()));
c67d2c3c0b3d Wrote code for SemanticPass2.visit(ImportExpression).
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348 return ie.expr;
684
10b314bf37e3 Added module dil.semantic.Pass2.
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349 }
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350 }
696
c67d2c3c0b3d Wrote code for SemanticPass2.visit(ImportExpression).
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351 }