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annotate ast/Exp.d @ 123:6a5f745d351c

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Parsing <<, >> and >>>.
author Anders Johnsen <skabet@gmail.com>
date Sun, 25 May 2008 21:07:48 +0200
parents c0b531362ca6
children d604152de1eb
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1 module ast.Exp;
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3 import tango.text.Util;
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4 import tango.io.Stdout;
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6 import ast.Decl,
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7 ast.Stmt;
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8
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9 import lexer.Token;
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11 import sema.Scope,
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12 sema.DType;
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14 import basic.LiteralParsing;
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15
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16 enum ExpType
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17 {
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18 Binary,
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19 Negate,
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20 Deref,
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21 IntegerLit,
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22 MemberReference,
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23 Index,
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24 Identifier,
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25 ArrayIdentifier,
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26 PointerIdentifier,
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27 AssignExp,
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28 CallExp,
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29 CastExp,
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30 StringExp,
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31 }
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33 abstract class Exp
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34 {
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35 this(ExpType expType, SLoc loc)
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36 {
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37 this.expType = expType;
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38 this.loc = loc;
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39 }
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41 /// Get the type of the expression
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42 abstract DType type();
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43
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44 /// Indicates which type the expression is - to avoid a lot of casts
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45 ExpType expType;
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46
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47 /// The environment of the expression
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48 Scope env;
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50 int stmtIndex;
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51
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52 /**
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53 The "main" location of the expression.
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54 What exactly this represents varies but for most things its the start
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55 while for a binary expression its the operator.
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56 **/
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57 SourceLocation loc;
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58
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59 /// Return the starting location of this expression
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60 SourceLocation startLoc() { return loc; }
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61
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62 /// Get the full extents of the expression
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63 SourceRange sourceRange() { return SourceRange(loc, loc + 1); }
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65 /// Do some simplifications
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66 Exp simplify() { return this; }
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67 }
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68
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69 class CallExp : Exp
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70 {
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71 this(Exp exp, Exp[] args)
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72 {
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73 super(ExpType.CallExp, exp.loc);
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74 this.exp = exp;
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75 this.args = args;
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76 }
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78 override DType type()
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79 {
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80 DFunction f = cast(DFunction)exp.type();
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81 assert(f !is null, "Can only call functions");
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82 return f.returnType;
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83 }
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84
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85 Exp exp;
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86 Exp[] args;
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87 bool sret = false;
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89 override SourceRange sourceRange()
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90 {
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91 SourceRange res = exp.sourceRange;
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92 if (args.length > 0)
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93 res = res + args[$ - 1].sourceRange;
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94 return res;
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95 }
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97 Exp simplify()
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98 {
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99 if(auto t = type.asStruct)
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100 {
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101 DFunction func_t = cast(DFunction)exp.type();
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102 assert(func_t !is null, "Calling on something that isn't a function");
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103 if (cast(DStruct)func_t.returnType is null)
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104 return this;
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105
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106 auto call = cast(Identifier)exp;
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107 FuncDecl f = env.parentFunction;
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108 auto i = new Identifier("temp.var");
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109 i.env = f.env;
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110 f.env.add(i);
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111 f.env.find(i).setType(t);
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112 auto ty = new Identifier(t.name);
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113 auto var = new VarDecl(ty, i, null);
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114 Exp[] args;
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115 args ~= i;
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116 args ~= this.args;
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117 auto callExp = new CallExp(exp, args);
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118 callExp.env = f.env;
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119 var.env = f.env;
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120 auto stmtVar = new DeclStmt(var);
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121 auto stmtCall = new ExpStmt(callExp);
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122 Stmt[] stmts;
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123 foreach( index, s ; f.statements)
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124 {
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125 if(stmtIndex == index)
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126 {
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127 stmts ~= stmtVar;
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128 stmts ~= stmtCall;
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129 }
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130 stmts ~= s;
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131 }
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132 f.statements = stmts;
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133 callExp.sret = true;
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134
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135 return i;
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136 }
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137 return this;
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138 }
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139 }
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140
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141 class AssignExp : Exp
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142 {
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143 this(SLoc op, Exp identifier, Exp exp)
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144 {
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145 super(ExpType.AssignExp, op);
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146 this.identifier = identifier;
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147 this.exp = exp;
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148 }
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149
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150 Exp simplify()
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151 {
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152 identifier = identifier.simplify;
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153 exp = exp.simplify;
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154
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155 return this;
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156 }
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157
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158 override SourceRange sourceRange()
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159 {
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160 return identifier.sourceRange + exp.sourceRange;
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161 }
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162
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163 override DType type() { return identifier.type(); }
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164
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165 Exp identifier;
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166 Exp exp;
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167 }
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168
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169 class BinaryExp : Exp
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170 {
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171 public enum Operator
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172 {
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173 Assign,
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174
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175 Eq, Ne,
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176
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177 Lt, Le,
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178 Gt, Ge,
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179
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180 Add, Sub,
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181 Mul, Div, Mod,
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182
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183 LeftShift, RightShift, UnsignedRightShift,
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184 }
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185
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186 char[][] getOp = ["=","==","!=","<","<=",">",">=","+","-","*","/","%","<<",">>",">>>"];
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187
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188 this(SLoc op_loc, Operator op, Exp left, Exp right)
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189 {
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190 super(ExpType.Binary, op_loc);
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191 this.op = op;
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192 this.left = left;
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193 this.right = right;
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194 }
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195
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196 override DType type()
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197 {
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198 if (myType)
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199 return myType;
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200
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201 if (op == Operator.Eq ||
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202 op == Operator.Ne ||
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203 op == Operator.Lt ||
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204 op == Operator.Le ||
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205 op == Operator.Gt ||
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206 op == Operator.Ge)
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207 {
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208 myType = DType.Bool;
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209 return myType;
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210 }
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211
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212 DType l = left.type;
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213 DType r = right.type;
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214 if (l is r)
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215 myType = l;
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216 else if (l.hasImplicitConversionTo(r))
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217 myType = r;
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218 else if (r.hasImplicitConversionTo(l))
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219 myType = l;
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220 else
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221 return null;
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222 return myType;
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223 }
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224
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225 override SLoc startLoc() { return left.startLoc(); }
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226
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227 override SourceRange sourceRange()
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228 {
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229 return left.sourceRange + right.sourceRange;
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230 }
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231
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232 char[] resultType()
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233 {
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234 if (op >= Operator.Eq && op <= Operator.Ge)
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235 return "bool";
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236 return null;
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237 }
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238
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239 Exp simplify()
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240 {
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241 left = left.simplify;
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242 right = right.simplify;
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243 return this;
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244 }
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245
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246 Operator op;
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247 Exp left, right;
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248 private DType myType;
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249 }
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250
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251 class NegateExp : Exp
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252 {
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253 this(SLoc op, Exp exp)
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254 {
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255 super(ExpType.Negate, op);
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256 this.exp = exp;
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257 }
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258
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259 Exp simplify()
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260 {
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261 exp = exp.simplify;
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262 return this;
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263 }
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264
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265 override DType type() { return exp.type(); }
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266
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267 override SourceRange sourceRange()
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268 {
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269 return SourceRange(loc) + exp.sourceRange;
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270 }
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271
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272 public Exp exp;
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273 }
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274
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275 class DerefExp : Exp
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276 {
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277 this(SLoc op, Exp exp)
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278 {
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279 super(ExpType.Deref, op);
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280 this.exp = exp;
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281 }
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282
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283 Exp simplify()
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284 {
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285 exp = exp.simplify;
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286 return this;
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287 }
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288
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289 override DType type()
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290 {
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291 return exp.type().asPointer.pointerOf;
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292 }
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293
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294 override SourceRange sourceRange()
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295 {
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296 return SourceRange(loc) + exp.sourceRange;
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297 }
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298
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299 public Exp exp;
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300 }
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301
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302 class IntegerLit : Exp
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303 {
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304 this(SLoc loc, char[] t)
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305 {
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306 super(ExpType.IntegerLit, loc);
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307 range = SourceRange(loc, loc + t.length);
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308 this.name = t;
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309 }
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310
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311 char[] get()
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312 {
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313 return name;
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314 }
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315
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316 Exp simplify()
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317 {
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318 return this;
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319 }
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320
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321 override DType type()
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322 {
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323 switch(number.type)
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324 {
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325 case NumberType.Int:
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326 return DType.Int;
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327 case NumberType.Long:
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328 return DType.Long;
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329 case NumberType.ULong:
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330 return DType.ULong;
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331 case NumberType.Double:
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332 return DType.Double;
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333 case NumberType.Real:
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334 return DType.Real;
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335 }
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336 }
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337
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338 override SourceRange sourceRange()
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339 {
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340 return range;
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341 }
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381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing...
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342
119
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343 Number number;
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344
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345 char[] name;
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346 private SourceRange range;
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347 }
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348
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349 class MemberReference : Exp
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350 {
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351 this(SLoc dot, Exp target, Identifier child)
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352 {
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353 super(ExpType.MemberReference, dot);
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354 this.target = target;
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355 this.child = child;
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356 }
88
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357
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358 Exp simplify()
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359 {
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360 target = target.simplify;
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361 return this;
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362 }
28
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363
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364 override DType type()
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365 {
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366 if (myType)
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367 return myType;
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368
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369 DStruct st = cast(DStruct)target.type;
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370 assert(st, "Only structs have members");
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371 if (auto t = st.typeOf(child.name))
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372 myType = t;
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373 // no error reporting here
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374 else assert(0, "Referencing non-existant member");
68
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing...
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parents: 67
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375
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing...
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376 return myType;
58
fc62c5296a1c Add types to our Exp
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parents: 56
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377 }
fc62c5296a1c Add types to our Exp
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diff changeset
378
88
eb5b2c719a39 Major change to locations, tokens and expressions.
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379 override SLoc startLoc() { return target.startLoc(); }
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380
eb5b2c719a39 Major change to locations, tokens and expressions.
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381 override SourceRange sourceRange()
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diff changeset
382 {
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diff changeset
383 return target.sourceRange + child.sourceRange;
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diff changeset
384 }
eb5b2c719a39 Major change to locations, tokens and expressions.
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diff changeset
385
28
69464d465284 Now supporting structs - both read and write. Still a few errors though, so watch out.
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diff changeset
386 Identifier child;
69464d465284 Now supporting structs - both read and write. Still a few errors though, so watch out.
Anders Johnsen <skabet@gmail.com>
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diff changeset
387 Exp target;
58
fc62c5296a1c Add types to our Exp
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diff changeset
388 private DType myType;
28
69464d465284 Now supporting structs - both read and write. Still a few errors though, so watch out.
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diff changeset
389 }
69464d465284 Now supporting structs - both read and write. Still a few errors though, so watch out.
Anders Johnsen <skabet@gmail.com>
parents: 10
diff changeset
390
83
9e90694f5da0 Parse array indexing, and allow reading from arrays
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diff changeset
391 class IndexExp : Exp
28
69464d465284 Now supporting structs - both read and write. Still a few errors though, so watch out.
Anders Johnsen <skabet@gmail.com>
parents: 10
diff changeset
392 {
88
eb5b2c719a39 Major change to locations, tokens and expressions.
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diff changeset
393 this(Exp target, SLoc left_bracket, Exp index, SLoc right_bracket)
28
69464d465284 Now supporting structs - both read and write. Still a few errors though, so watch out.
Anders Johnsen <skabet@gmail.com>
parents: 10
diff changeset
394 {
88
eb5b2c719a39 Major change to locations, tokens and expressions.
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diff changeset
395 super(ExpType.Index, target.startLoc);
28
69464d465284 Now supporting structs - both read and write. Still a few errors though, so watch out.
Anders Johnsen <skabet@gmail.com>
parents: 10
diff changeset
396 this.target = target;
88
eb5b2c719a39 Major change to locations, tokens and expressions.
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parents: 86
diff changeset
397 this.left_bracket = left_bracket;
83
9e90694f5da0 Parse array indexing, and allow reading from arrays
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parents: 81
diff changeset
398 this.index = index;
88
eb5b2c719a39 Major change to locations, tokens and expressions.
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parents: 86
diff changeset
399 this.right_bracket = right_bracket;
28
69464d465284 Now supporting structs - both read and write. Still a few errors though, so watch out.
Anders Johnsen <skabet@gmail.com>
parents: 10
diff changeset
400 }
69464d465284 Now supporting structs - both read and write. Still a few errors though, so watch out.
Anders Johnsen <skabet@gmail.com>
parents: 10
diff changeset
401
83
9e90694f5da0 Parse array indexing, and allow reading from arrays
Anders Halager <halager@gmail.com>
parents: 81
diff changeset
402 override DType type()
9e90694f5da0 Parse array indexing, and allow reading from arrays
Anders Halager <halager@gmail.com>
parents: 81
diff changeset
403 {
85
9375bd975730 Allow indexing of pointers also
Anders Halager <halager@gmail.com>
parents: 83
diff changeset
404 DType type = target.type();
9375bd975730 Allow indexing of pointers also
Anders Halager <halager@gmail.com>
parents: 83
diff changeset
405 if (type.isArray())
9375bd975730 Allow indexing of pointers also
Anders Halager <halager@gmail.com>
parents: 83
diff changeset
406 return type.asArray().arrayOf;
9375bd975730 Allow indexing of pointers also
Anders Halager <halager@gmail.com>
parents: 83
diff changeset
407 else if (type.isPointer())
9375bd975730 Allow indexing of pointers also
Anders Halager <halager@gmail.com>
parents: 83
diff changeset
408 return type.asPointer().pointerOf;
9375bd975730 Allow indexing of pointers also
Anders Halager <halager@gmail.com>
parents: 83
diff changeset
409 else assert(0, "Can only index pointers and arrays");
83
9e90694f5da0 Parse array indexing, and allow reading from arrays
Anders Halager <halager@gmail.com>
parents: 81
diff changeset
410 }
58
fc62c5296a1c Add types to our Exp
Anders Halager <halager@gmail.com>
parents: 56
diff changeset
411
88
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
412 override SourceRange sourceRange()
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
413 {
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
414 return target.sourceRange + SourceRange(right_bracket);
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
415 }
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
416
56
4ae365eff712 Now return types works for structs... Also, simplyfing in AST have been startet - but still messy. This update is a little messy...
Anders Johnsen <skabet@gmail.com>
parents: 55
diff changeset
417 Exp simplify()
4ae365eff712 Now return types works for structs... Also, simplyfing in AST have been startet - but still messy. This update is a little messy...
Anders Johnsen <skabet@gmail.com>
parents: 55
diff changeset
418 {
4ae365eff712 Now return types works for structs... Also, simplyfing in AST have been startet - but still messy. This update is a little messy...
Anders Johnsen <skabet@gmail.com>
parents: 55
diff changeset
419 target = target.simplify;
83
9e90694f5da0 Parse array indexing, and allow reading from arrays
Anders Halager <halager@gmail.com>
parents: 81
diff changeset
420 index = index.simplify;
56
4ae365eff712 Now return types works for structs... Also, simplyfing in AST have been startet - but still messy. This update is a little messy...
Anders Johnsen <skabet@gmail.com>
parents: 55
diff changeset
421 return this;
4ae365eff712 Now return types works for structs... Also, simplyfing in AST have been startet - but still messy. This update is a little messy...
Anders Johnsen <skabet@gmail.com>
parents: 55
diff changeset
422 }
4ae365eff712 Now return types works for structs... Also, simplyfing in AST have been startet - but still messy. This update is a little messy...
Anders Johnsen <skabet@gmail.com>
parents: 55
diff changeset
423
28
69464d465284 Now supporting structs - both read and write. Still a few errors though, so watch out.
Anders Johnsen <skabet@gmail.com>
parents: 10
diff changeset
424 Exp target;
83
9e90694f5da0 Parse array indexing, and allow reading from arrays
Anders Halager <halager@gmail.com>
parents: 81
diff changeset
425 Exp index;
88
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
426 SLoc left_bracket, right_bracket;
28
69464d465284 Now supporting structs - both read and write. Still a few errors though, so watch out.
Anders Johnsen <skabet@gmail.com>
parents: 10
diff changeset
427 }
69464d465284 Now supporting structs - both read and write. Still a few errors though, so watch out.
Anders Johnsen <skabet@gmail.com>
parents: 10
diff changeset
428
68
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing...
Anders Johnsen <skabet@gmail.com>
parents: 67
diff changeset
429 class CastExp : Exp
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing...
Anders Johnsen <skabet@gmail.com>
parents: 67
diff changeset
430 {
88
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
431 this(SLoc loc, Identifier castType, Exp exp)
68
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing...
Anders Johnsen <skabet@gmail.com>
parents: 67
diff changeset
432 {
88
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
433 super(ExpType.CastExp, loc);
68
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing...
Anders Johnsen <skabet@gmail.com>
parents: 67
diff changeset
434 this.castType = castType;
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing...
Anders Johnsen <skabet@gmail.com>
parents: 67
diff changeset
435 this.exp = exp;
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing...
Anders Johnsen <skabet@gmail.com>
parents: 67
diff changeset
436 }
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing...
Anders Johnsen <skabet@gmail.com>
parents: 67
diff changeset
437
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing...
Anders Johnsen <skabet@gmail.com>
parents: 67
diff changeset
438 override DType type()
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing...
Anders Johnsen <skabet@gmail.com>
parents: 67
diff changeset
439 {
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing...
Anders Johnsen <skabet@gmail.com>
parents: 67
diff changeset
440 return env.findType(this.castType);
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing...
Anders Johnsen <skabet@gmail.com>
parents: 67
diff changeset
441 }
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing...
Anders Johnsen <skabet@gmail.com>
parents: 67
diff changeset
442
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing...
Anders Johnsen <skabet@gmail.com>
parents: 67
diff changeset
443 Exp simplify()
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing...
Anders Johnsen <skabet@gmail.com>
parents: 67
diff changeset
444 {
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing...
Anders Johnsen <skabet@gmail.com>
parents: 67
diff changeset
445 castType.simplify;
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing...
Anders Johnsen <skabet@gmail.com>
parents: 67
diff changeset
446 exp.simplify;
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing...
Anders Johnsen <skabet@gmail.com>
parents: 67
diff changeset
447 return this;
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing...
Anders Johnsen <skabet@gmail.com>
parents: 67
diff changeset
448 }
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing...
Anders Johnsen <skabet@gmail.com>
parents: 67
diff changeset
449
88
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
450 override SourceRange sourceRange()
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
451 {
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
452 return SourceRange(loc) + exp.sourceRange;
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
453 }
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
454
68
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing...
Anders Johnsen <skabet@gmail.com>
parents: 67
diff changeset
455 Identifier castType;
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing...
Anders Johnsen <skabet@gmail.com>
parents: 67
diff changeset
456 Exp exp;
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing...
Anders Johnsen <skabet@gmail.com>
parents: 67
diff changeset
457 }
381975d76baf A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing...
Anders Johnsen <skabet@gmail.com>
parents: 67
diff changeset
458
104
7ff4bc2accf2 Lexing more types of strings. Now all's left is to parse the string in the AST.
Anders Johnsen <skabet@gmail.com>
parents: 98
diff changeset
459 class StringExp : Exp
7ff4bc2accf2 Lexing more types of strings. Now all's left is to parse the string in the AST.
Anders Johnsen <skabet@gmail.com>
parents: 98
diff changeset
460 {
7ff4bc2accf2 Lexing more types of strings. Now all's left is to parse the string in the AST.
Anders Johnsen <skabet@gmail.com>
parents: 98
diff changeset
461 this(SLoc loc, char[] str)
7ff4bc2accf2 Lexing more types of strings. Now all's left is to parse the string in the AST.
Anders Johnsen <skabet@gmail.com>
parents: 98
diff changeset
462 {
7ff4bc2accf2 Lexing more types of strings. Now all's left is to parse the string in the AST.
Anders Johnsen <skabet@gmail.com>
parents: 98
diff changeset
463 super(ExpType.StringExp, loc);
7ff4bc2accf2 Lexing more types of strings. Now all's left is to parse the string in the AST.
Anders Johnsen <skabet@gmail.com>
parents: 98
diff changeset
464 this.str = str;
7ff4bc2accf2 Lexing more types of strings. Now all's left is to parse the string in the AST.
Anders Johnsen <skabet@gmail.com>
parents: 98
diff changeset
465 }
7ff4bc2accf2 Lexing more types of strings. Now all's left is to parse the string in the AST.
Anders Johnsen <skabet@gmail.com>
parents: 98
diff changeset
466
110
2deb4c1f0d93 Make it compile
Anders Halager <halager@gmail.com>
parents: 109
diff changeset
467 override DType type() { return null; }
2deb4c1f0d93 Make it compile
Anders Halager <halager@gmail.com>
parents: 109
diff changeset
468
104
7ff4bc2accf2 Lexing more types of strings. Now all's left is to parse the string in the AST.
Anders Johnsen <skabet@gmail.com>
parents: 98
diff changeset
469 char[] str;
7ff4bc2accf2 Lexing more types of strings. Now all's left is to parse the string in the AST.
Anders Johnsen <skabet@gmail.com>
parents: 98
diff changeset
470 }
7ff4bc2accf2 Lexing more types of strings. Now all's left is to parse the string in the AST.
Anders Johnsen <skabet@gmail.com>
parents: 98
diff changeset
471
77
13eea2c4e60d Now able of --ast-dump-code with Pointer types and also codeGen int* x;
Anders Johnsen <skabet@gmail.com>
parents: 72
diff changeset
472 class PointerIdentifier : Identifier
13eea2c4e60d Now able of --ast-dump-code with Pointer types and also codeGen int* x;
Anders Johnsen <skabet@gmail.com>
parents: 72
diff changeset
473 {
13eea2c4e60d Now able of --ast-dump-code with Pointer types and also codeGen int* x;
Anders Johnsen <skabet@gmail.com>
parents: 72
diff changeset
474 this(Identifier pointerOf)
13eea2c4e60d Now able of --ast-dump-code with Pointer types and also codeGen int* x;
Anders Johnsen <skabet@gmail.com>
parents: 72
diff changeset
475 {
88
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
476 super(ExpType.PointerIdentifier, pointerOf.loc);
77
13eea2c4e60d Now able of --ast-dump-code with Pointer types and also codeGen int* x;
Anders Johnsen <skabet@gmail.com>
parents: 72
diff changeset
477 this.pointerOf = pointerOf;
13eea2c4e60d Now able of --ast-dump-code with Pointer types and also codeGen int* x;
Anders Johnsen <skabet@gmail.com>
parents: 72
diff changeset
478 this.name = pointerOf.name;
13eea2c4e60d Now able of --ast-dump-code with Pointer types and also codeGen int* x;
Anders Johnsen <skabet@gmail.com>
parents: 72
diff changeset
479 }
13eea2c4e60d Now able of --ast-dump-code with Pointer types and also codeGen int* x;
Anders Johnsen <skabet@gmail.com>
parents: 72
diff changeset
480
13eea2c4e60d Now able of --ast-dump-code with Pointer types and also codeGen int* x;
Anders Johnsen <skabet@gmail.com>
parents: 72
diff changeset
481 override DType type()
13eea2c4e60d Now able of --ast-dump-code with Pointer types and also codeGen int* x;
Anders Johnsen <skabet@gmail.com>
parents: 72
diff changeset
482 {
83
9e90694f5da0 Parse array indexing, and allow reading from arrays
Anders Halager <halager@gmail.com>
parents: 81
diff changeset
483 return pointerOf.type.getPointerTo();
77
13eea2c4e60d Now able of --ast-dump-code with Pointer types and also codeGen int* x;
Anders Johnsen <skabet@gmail.com>
parents: 72
diff changeset
484 }
13eea2c4e60d Now able of --ast-dump-code with Pointer types and also codeGen int* x;
Anders Johnsen <skabet@gmail.com>
parents: 72
diff changeset
485
13eea2c4e60d Now able of --ast-dump-code with Pointer types and also codeGen int* x;
Anders Johnsen <skabet@gmail.com>
parents: 72
diff changeset
486 Identifier pointerOf;
13eea2c4e60d Now able of --ast-dump-code with Pointer types and also codeGen int* x;
Anders Johnsen <skabet@gmail.com>
parents: 72
diff changeset
487 }
13eea2c4e60d Now able of --ast-dump-code with Pointer types and also codeGen int* x;
Anders Johnsen <skabet@gmail.com>
parents: 72
diff changeset
488
72
628cb46ab13b First update on the way to Arrays! :)
Anders Johnsen <skabet@gmail.com>
parents: 68
diff changeset
489 class ArrayIdentifier : Identifier
628cb46ab13b First update on the way to Arrays! :)
Anders Johnsen <skabet@gmail.com>
parents: 68
diff changeset
490 {
81
110c7e1c4ca2 Now you can declare array
Anders Johnsen <skabet@gmail.com>
parents: 80
diff changeset
491 this(Identifier arrayOf, IntegerLit size)
72
628cb46ab13b First update on the way to Arrays! :)
Anders Johnsen <skabet@gmail.com>
parents: 68
diff changeset
492 {
88
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
493 super(ExpType.ArrayIdentifier, arrayOf.loc);
72
628cb46ab13b First update on the way to Arrays! :)
Anders Johnsen <skabet@gmail.com>
parents: 68
diff changeset
494 this.arrayOf = arrayOf;
81
110c7e1c4ca2 Now you can declare array
Anders Johnsen <skabet@gmail.com>
parents: 80
diff changeset
495 this.size = Integer.parse(size.get);
110c7e1c4ca2 Now you can declare array
Anders Johnsen <skabet@gmail.com>
parents: 80
diff changeset
496 this.name = arrayOf.name;
72
628cb46ab13b First update on the way to Arrays! :)
Anders Johnsen <skabet@gmail.com>
parents: 68
diff changeset
497 }
628cb46ab13b First update on the way to Arrays! :)
Anders Johnsen <skabet@gmail.com>
parents: 68
diff changeset
498
628cb46ab13b First update on the way to Arrays! :)
Anders Johnsen <skabet@gmail.com>
parents: 68
diff changeset
499 override DType type()
628cb46ab13b First update on the way to Arrays! :)
Anders Johnsen <skabet@gmail.com>
parents: 68
diff changeset
500 {
81
110c7e1c4ca2 Now you can declare array
Anders Johnsen <skabet@gmail.com>
parents: 80
diff changeset
501 return arrayOf.type.getAsArray(size);
72
628cb46ab13b First update on the way to Arrays! :)
Anders Johnsen <skabet@gmail.com>
parents: 68
diff changeset
502 }
628cb46ab13b First update on the way to Arrays! :)
Anders Johnsen <skabet@gmail.com>
parents: 68
diff changeset
503
628cb46ab13b First update on the way to Arrays! :)
Anders Johnsen <skabet@gmail.com>
parents: 68
diff changeset
504 Identifier arrayOf;
81
110c7e1c4ca2 Now you can declare array
Anders Johnsen <skabet@gmail.com>
parents: 80
diff changeset
505 int size;
72
628cb46ab13b First update on the way to Arrays! :)
Anders Johnsen <skabet@gmail.com>
parents: 68
diff changeset
506
628cb46ab13b First update on the way to Arrays! :)
Anders Johnsen <skabet@gmail.com>
parents: 68
diff changeset
507 private DType myType;
628cb46ab13b First update on the way to Arrays! :)
Anders Johnsen <skabet@gmail.com>
parents: 68
diff changeset
508 }
628cb46ab13b First update on the way to Arrays! :)
Anders Johnsen <skabet@gmail.com>
parents: 68
diff changeset
509
1
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
510 class Identifier : Exp
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
511 {
88
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
512 this(SLoc loc, char[] name)
1
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
513 {
88
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
514 super(ExpType.Identifier, loc);
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
515 this.name = name;
1
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
516 }
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
517
88
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
518 protected this(ExpType t, SLoc loc)
72
628cb46ab13b First update on the way to Arrays! :)
Anders Johnsen <skabet@gmail.com>
parents: 68
diff changeset
519 {
88
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
520 super(t, loc);
72
628cb46ab13b First update on the way to Arrays! :)
Anders Johnsen <skabet@gmail.com>
parents: 68
diff changeset
521 }
628cb46ab13b First update on the way to Arrays! :)
Anders Johnsen <skabet@gmail.com>
parents: 68
diff changeset
522
58
fc62c5296a1c Add types to our Exp
Anders Halager <halager@gmail.com>
parents: 56
diff changeset
523 override DType type()
fc62c5296a1c Add types to our Exp
Anders Halager <halager@gmail.com>
parents: 56
diff changeset
524 {
59
1d6f4ad38a91 Make most of the tests pass again
Anders Halager <halager@gmail.com>
parents: 58
diff changeset
525 if (myType !is null)
58
fc62c5296a1c Add types to our Exp
Anders Halager <halager@gmail.com>
parents: 56
diff changeset
526 return myType;
114
3a0cd42de9cc Removed misc/Error.d and is now using the error system all way through.
Anders Johnsen <skabet@gmail.com>
parents: 111
diff changeset
527 if(auto s = env.find(this))
3a0cd42de9cc Removed misc/Error.d and is now using the error system all way through.
Anders Johnsen <skabet@gmail.com>
parents: 111
diff changeset
528 if(s.type)
3a0cd42de9cc Removed misc/Error.d and is now using the error system all way through.
Anders Johnsen <skabet@gmail.com>
parents: 111
diff changeset
529 myType = s.type;
3a0cd42de9cc Removed misc/Error.d and is now using the error system all way through.
Anders Johnsen <skabet@gmail.com>
parents: 111
diff changeset
530 else
3a0cd42de9cc Removed misc/Error.d and is now using the error system all way through.
Anders Johnsen <skabet@gmail.com>
parents: 111
diff changeset
531 myType = DType.Int;
58
fc62c5296a1c Add types to our Exp
Anders Halager <halager@gmail.com>
parents: 56
diff changeset
532 return myType;
fc62c5296a1c Add types to our Exp
Anders Halager <halager@gmail.com>
parents: 56
diff changeset
533 }
fc62c5296a1c Add types to our Exp
Anders Halager <halager@gmail.com>
parents: 56
diff changeset
534
56
4ae365eff712 Now return types works for structs... Also, simplyfing in AST have been startet - but still messy. This update is a little messy...
Anders Johnsen <skabet@gmail.com>
parents: 55
diff changeset
535 this(char[] name)
4ae365eff712 Now return types works for structs... Also, simplyfing in AST have been startet - but still messy. This update is a little messy...
Anders Johnsen <skabet@gmail.com>
parents: 55
diff changeset
536 {
88
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
537 super(ExpType.Identifier, SLoc.Invalid);
56
4ae365eff712 Now return types works for structs... Also, simplyfing in AST have been startet - but still messy. This update is a little messy...
Anders Johnsen <skabet@gmail.com>
parents: 55
diff changeset
538 this.name = name;
4ae365eff712 Now return types works for structs... Also, simplyfing in AST have been startet - but still messy. This update is a little messy...
Anders Johnsen <skabet@gmail.com>
parents: 55
diff changeset
539 }
4ae365eff712 Now return types works for structs... Also, simplyfing in AST have been startet - but still messy. This update is a little messy...
Anders Johnsen <skabet@gmail.com>
parents: 55
diff changeset
540
1
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
541 char[] get()
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
542 {
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
543 return name;
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
544 }
96
438e6ed4cda1 Now D-Mangling the function types. Still need to mangle "scopes" - by that i mean structs, classes and modules.
Anders Johnsen <skabet@gmail.com>
parents: 93
diff changeset
545
438e6ed4cda1 Now D-Mangling the function types. Still need to mangle "scopes" - by that i mean structs, classes and modules.
Anders Johnsen <skabet@gmail.com>
parents: 93
diff changeset
546 char[] getMangled()
438e6ed4cda1 Now D-Mangling the function types. Still need to mangle "scopes" - by that i mean structs, classes and modules.
Anders Johnsen <skabet@gmail.com>
parents: 93
diff changeset
547 {
438e6ed4cda1 Now D-Mangling the function types. Still need to mangle "scopes" - by that i mean structs, classes and modules.
Anders Johnsen <skabet@gmail.com>
parents: 93
diff changeset
548 DType t = type;
438e6ed4cda1 Now D-Mangling the function types. Still need to mangle "scopes" - by that i mean structs, classes and modules.
Anders Johnsen <skabet@gmail.com>
parents: 93
diff changeset
549
438e6ed4cda1 Now D-Mangling the function types. Still need to mangle "scopes" - by that i mean structs, classes and modules.
Anders Johnsen <skabet@gmail.com>
parents: 93
diff changeset
550 if(name == "main")
98
7f9240d4ddc1 Fixed tests - forgot some stuff in codegen.
Anders Johnsen <skabet@gmail.com>
parents: 96
diff changeset
551 return "main";
96
438e6ed4cda1 Now D-Mangling the function types. Still need to mangle "scopes" - by that i mean structs, classes and modules.
Anders Johnsen <skabet@gmail.com>
parents: 93
diff changeset
552
438e6ed4cda1 Now D-Mangling the function types. Still need to mangle "scopes" - by that i mean structs, classes and modules.
Anders Johnsen <skabet@gmail.com>
parents: 93
diff changeset
553 return "_D"~name~t.mangle;
438e6ed4cda1 Now D-Mangling the function types. Still need to mangle "scopes" - by that i mean structs, classes and modules.
Anders Johnsen <skabet@gmail.com>
parents: 93
diff changeset
554 }
1
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
555
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
556 hash_t toHash()
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
557 {
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
558 return jhash(name);
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
559 }
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
560
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
561 int opCmp(Object o)
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
562 {
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
563 if (auto id = cast(Identifier)o)
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
564 return typeid(char[]).compare(&name, &id.name);
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
565 return 0;
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
566 }
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
567
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
568 int opEquals(Object o)
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
569 {
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
570 if (auto id = cast(Identifier)o)
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
571 return typeid(char[]).equals(&name, &id.name);
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
572 return 0;
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
573 }
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
574
56
4ae365eff712 Now return types works for structs... Also, simplyfing in AST have been startet - but still messy. This update is a little messy...
Anders Johnsen <skabet@gmail.com>
parents: 55
diff changeset
575 Exp simplify()
4ae365eff712 Now return types works for structs... Also, simplyfing in AST have been startet - but still messy. This update is a little messy...
Anders Johnsen <skabet@gmail.com>
parents: 55
diff changeset
576 {
4ae365eff712 Now return types works for structs... Also, simplyfing in AST have been startet - but still messy. This update is a little messy...
Anders Johnsen <skabet@gmail.com>
parents: 55
diff changeset
577 return this;
4ae365eff712 Now return types works for structs... Also, simplyfing in AST have been startet - but still messy. This update is a little messy...
Anders Johnsen <skabet@gmail.com>
parents: 55
diff changeset
578 }
4ae365eff712 Now return types works for structs... Also, simplyfing in AST have been startet - but still messy. This update is a little messy...
Anders Johnsen <skabet@gmail.com>
parents: 55
diff changeset
579
93
621cedba53ea Removed the Symbol from semantics - it was not needed anymore. From now on you set the type by doing a setType on an Identifier.
Anders Johnsen <skabet@gmail.com>
parents: 92
diff changeset
580 void setType(DType myType)
621cedba53ea Removed the Symbol from semantics - it was not needed anymore. From now on you set the type by doing a setType on an Identifier.
Anders Johnsen <skabet@gmail.com>
parents: 92
diff changeset
581 {
621cedba53ea Removed the Symbol from semantics - it was not needed anymore. From now on you set the type by doing a setType on an Identifier.
Anders Johnsen <skabet@gmail.com>
parents: 92
diff changeset
582 this.myType = myType;
621cedba53ea Removed the Symbol from semantics - it was not needed anymore. From now on you set the type by doing a setType on an Identifier.
Anders Johnsen <skabet@gmail.com>
parents: 92
diff changeset
583 }
621cedba53ea Removed the Symbol from semantics - it was not needed anymore. From now on you set the type by doing a setType on an Identifier.
Anders Johnsen <skabet@gmail.com>
parents: 92
diff changeset
584
1
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johnsen@johnsen-desktop
parents:
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585 char[] name;
58
fc62c5296a1c Add types to our Exp
Anders Halager <halager@gmail.com>
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586 private DType myType;
1
2168f4cb73f1 First push
johnsen@johnsen-desktop
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587 }
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
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588