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annotate ast/Exp.d @ 125:d604152de1eb

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Support shifts and binary logical operators in codegen
author Anders Halager <halager@gmail.com>
date Sun, 25 May 2008 21:13:56 +0200
parents 6a5f745d351c
children c3b24e7e8cf8
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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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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 And, Or, Xor,
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186 }
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187
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188 char[][] getOp = ["=","==","!=","<","<=",">",">=","+","-","*","/","%","<<",">>",">>>"];
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189
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190 this(SLoc op_loc, Operator op, Exp left, Exp right)
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191 {
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192 super(ExpType.Binary, op_loc);
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193 this.op = op;
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194 this.left = left;
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195 this.right = right;
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196 }
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197
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198 override DType type()
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199 {
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200 if (myType)
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201 return myType;
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202
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203 if (op == Operator.Eq ||
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204 op == Operator.Ne ||
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205 op == Operator.Lt ||
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206 op == Operator.Le ||
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207 op == Operator.Gt ||
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208 op == Operator.Ge)
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209 {
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210 myType = DType.Bool;
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211 return myType;
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212 }
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213
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214 DType l = left.type;
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215 DType r = right.type;
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216 if (l is r)
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217 myType = l;
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218 else if (l.hasImplicitConversionTo(r))
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219 myType = r;
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220 else if (r.hasImplicitConversionTo(l))
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221 myType = l;
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222 else
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223 return null;
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224 return myType;
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225 }
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226
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227 override SLoc startLoc() { return left.startLoc(); }
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228
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229 override SourceRange sourceRange()
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230 {
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231 return left.sourceRange + right.sourceRange;
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232 }
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233
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234 char[] resultType()
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235 {
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236 if (op >= Operator.Eq && op <= Operator.Ge)
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237 return "bool";
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238 return null;
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239 }
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240
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241 Exp simplify()
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242 {
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243 left = left.simplify;
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244 right = right.simplify;
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245 return this;
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246 }
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247
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248 Operator op;
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249 Exp left, right;
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250 private DType myType;
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251 }
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252
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253 class NegateExp : Exp
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254 {
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255 this(SLoc op, Exp exp)
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256 {
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257 super(ExpType.Negate, op);
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258 this.exp = exp;
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259 }
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260
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261 Exp simplify()
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262 {
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263 exp = exp.simplify;
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264 return this;
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265 }
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266
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267 override DType type() { return exp.type(); }
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268
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269 override SourceRange sourceRange()
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270 {
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271 return SourceRange(loc) + exp.sourceRange;
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272 }
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273
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274 public Exp exp;
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275 }
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276
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277 class DerefExp : Exp
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278 {
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279 this(SLoc op, Exp exp)
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280 {
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281 super(ExpType.Deref, op);
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282 this.exp = exp;
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283 }
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284
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285 Exp simplify()
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286 {
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287 exp = exp.simplify;
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288 return this;
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289 }
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290
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291 override DType type()
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292 {
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293 return exp.type().asPointer.pointerOf;
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294 }
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295
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296 override SourceRange sourceRange()
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297 {
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298 return SourceRange(loc) + exp.sourceRange;
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299 }
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300
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301 public Exp exp;
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302 }
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303
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304 class IntegerLit : Exp
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305 {
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306 this(SLoc loc, char[] t)
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307 {
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308 super(ExpType.IntegerLit, loc);
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309 range = SourceRange(loc, loc + t.length);
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310 this.name = t;
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311 }
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312
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313 char[] get()
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314 {
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315 return name;
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316 }
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317
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318 Exp simplify()
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319 {
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320 return this;
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321 }
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322
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323 override DType type()
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324 {
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325 switch(number.type)
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326 {
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327 case NumberType.Int:
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328 return DType.Int;
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329 case NumberType.Long:
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330 return DType.Long;
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331 case NumberType.ULong:
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332 return DType.ULong;
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333 case NumberType.Double:
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334 return DType.Double;
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335 case NumberType.Real:
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336 return DType.Real;
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337 }
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338 }
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339
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340 override SourceRange sourceRange()
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341 {
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342 return range;
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343 }
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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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344
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345 Number number;
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346
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347 char[] name;
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348 private SourceRange range;
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349 }
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350
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351 class MemberReference : Exp
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352 {
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353 this(SLoc dot, Exp target, Identifier child)
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354 {
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355 super(ExpType.MemberReference, dot);
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356 this.target = target;
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357 this.child = child;
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358 }
88
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359
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360 Exp simplify()
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361 {
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362 target = target.simplify;
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363 return this;
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364 }
28
69464d465284 Now supporting structs - both read and write. Still a few errors though, so watch out.
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parents: 10
diff changeset
365
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366 override DType type()
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367 {
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368 if (myType)
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369 return myType;
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370
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371 DStruct st = cast(DStruct)target.type;
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372 assert(st, "Only structs have members");
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373 if (auto t = st.typeOf(child.name))
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374 myType = t;
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375 // no error reporting here
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376 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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377
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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378 return myType;
58
fc62c5296a1c Add types to our Exp
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379 }
fc62c5296a1c Add types to our Exp
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380
88
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381 override SLoc startLoc() { return target.startLoc(); }
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382
eb5b2c719a39 Major change to locations, tokens and expressions.
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383 override SourceRange sourceRange()
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parents: 86
diff changeset
384 {
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diff changeset
385 return target.sourceRange + child.sourceRange;
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386 }
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diff changeset
387
28
69464d465284 Now supporting structs - both read and write. Still a few errors though, so watch out.
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diff changeset
388 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
389 Exp target;
58
fc62c5296a1c Add types to our Exp
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diff changeset
390 private DType myType;
28
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
391 }
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
83
9e90694f5da0 Parse array indexing, and allow reading from arrays
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diff changeset
393 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
394 {
88
eb5b2c719a39 Major change to locations, tokens and expressions.
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diff changeset
395 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
396 {
88
eb5b2c719a39 Major change to locations, tokens and expressions.
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parents: 86
diff changeset
397 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
398 this.target = target;
88
eb5b2c719a39 Major change to locations, tokens and expressions.
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parents: 86
diff changeset
399 this.left_bracket = left_bracket;
83
9e90694f5da0 Parse array indexing, and allow reading from arrays
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parents: 81
diff changeset
400 this.index = index;
88
eb5b2c719a39 Major change to locations, tokens and expressions.
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diff changeset
401 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
402 }
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
403
83
9e90694f5da0 Parse array indexing, and allow reading from arrays
Anders Halager <halager@gmail.com>
parents: 81
diff changeset
404 override DType type()
9e90694f5da0 Parse array indexing, and allow reading from arrays
Anders Halager <halager@gmail.com>
parents: 81
diff changeset
405 {
85
9375bd975730 Allow indexing of pointers also
Anders Halager <halager@gmail.com>
parents: 83
diff changeset
406 DType type = target.type();
9375bd975730 Allow indexing of pointers also
Anders Halager <halager@gmail.com>
parents: 83
diff changeset
407 if (type.isArray())
9375bd975730 Allow indexing of pointers also
Anders Halager <halager@gmail.com>
parents: 83
diff changeset
408 return type.asArray().arrayOf;
9375bd975730 Allow indexing of pointers also
Anders Halager <halager@gmail.com>
parents: 83
diff changeset
409 else if (type.isPointer())
9375bd975730 Allow indexing of pointers also
Anders Halager <halager@gmail.com>
parents: 83
diff changeset
410 return type.asPointer().pointerOf;
9375bd975730 Allow indexing of pointers also
Anders Halager <halager@gmail.com>
parents: 83
diff changeset
411 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
412 }
58
fc62c5296a1c Add types to our Exp
Anders Halager <halager@gmail.com>
parents: 56
diff changeset
413
88
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
414 override SourceRange sourceRange()
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 return target.sourceRange + SourceRange(right_bracket);
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
417 }
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
418
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
419 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
420 {
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 target = target.simplify;
83
9e90694f5da0 Parse array indexing, and allow reading from arrays
Anders Halager <halager@gmail.com>
parents: 81
diff changeset
422 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
423 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
424 }
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
425
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
426 Exp target;
83
9e90694f5da0 Parse array indexing, and allow reading from arrays
Anders Halager <halager@gmail.com>
parents: 81
diff changeset
427 Exp index;
88
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
428 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
429 }
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
430
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
431 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
432 {
88
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
433 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
434 {
88
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
435 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
436 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
437 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
438 }
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 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
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 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
443 }
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 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
446 {
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 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
448 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
449 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
450 }
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
451
88
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
452 override SourceRange 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 return SourceRange(loc) + exp.sourceRange;
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
455 }
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
456
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
457 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
458 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
459 }
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
460
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
461 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
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 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
464 {
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 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
466 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
467 }
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
468
110
2deb4c1f0d93 Make it compile
Anders Halager <halager@gmail.com>
parents: 109
diff changeset
469 override DType type() { return null; }
2deb4c1f0d93 Make it compile
Anders Halager <halager@gmail.com>
parents: 109
diff changeset
470
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
471 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
472 }
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
473
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
474 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
475 {
13eea2c4e60d Now able of --ast-dump-code with Pointer types and also codeGen int* x;
Anders Johnsen <skabet@gmail.com>
parents: 72
diff changeset
476 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
477 {
88
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
478 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
479 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
480 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
481 }
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
13eea2c4e60d Now able of --ast-dump-code with Pointer types and also codeGen int* x;
Anders Johnsen <skabet@gmail.com>
parents: 72
diff changeset
483 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
484 {
83
9e90694f5da0 Parse array indexing, and allow reading from arrays
Anders Halager <halager@gmail.com>
parents: 81
diff changeset
485 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
486 }
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 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
489 }
13eea2c4e60d Now able of --ast-dump-code with Pointer types and also codeGen int* x;
Anders Johnsen <skabet@gmail.com>
parents: 72
diff changeset
490
72
628cb46ab13b First update on the way to Arrays! :)
Anders Johnsen <skabet@gmail.com>
parents: 68
diff changeset
491 class ArrayIdentifier : Identifier
628cb46ab13b First update on the way to Arrays! :)
Anders Johnsen <skabet@gmail.com>
parents: 68
diff changeset
492 {
81
110c7e1c4ca2 Now you can declare array
Anders Johnsen <skabet@gmail.com>
parents: 80
diff changeset
493 this(Identifier arrayOf, IntegerLit size)
72
628cb46ab13b First update on the way to Arrays! :)
Anders Johnsen <skabet@gmail.com>
parents: 68
diff changeset
494 {
88
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
495 super(ExpType.ArrayIdentifier, arrayOf.loc);
72
628cb46ab13b First update on the way to Arrays! :)
Anders Johnsen <skabet@gmail.com>
parents: 68
diff changeset
496 this.arrayOf = arrayOf;
81
110c7e1c4ca2 Now you can declare array
Anders Johnsen <skabet@gmail.com>
parents: 80
diff changeset
497 this.size = Integer.parse(size.get);
110c7e1c4ca2 Now you can declare array
Anders Johnsen <skabet@gmail.com>
parents: 80
diff changeset
498 this.name = arrayOf.name;
72
628cb46ab13b First update on the way to Arrays! :)
Anders Johnsen <skabet@gmail.com>
parents: 68
diff changeset
499 }
628cb46ab13b First update on the way to Arrays! :)
Anders Johnsen <skabet@gmail.com>
parents: 68
diff changeset
500
628cb46ab13b First update on the way to Arrays! :)
Anders Johnsen <skabet@gmail.com>
parents: 68
diff changeset
501 override DType type()
628cb46ab13b First update on the way to Arrays! :)
Anders Johnsen <skabet@gmail.com>
parents: 68
diff changeset
502 {
81
110c7e1c4ca2 Now you can declare array
Anders Johnsen <skabet@gmail.com>
parents: 80
diff changeset
503 return arrayOf.type.getAsArray(size);
72
628cb46ab13b First update on the way to Arrays! :)
Anders Johnsen <skabet@gmail.com>
parents: 68
diff changeset
504 }
628cb46ab13b First update on the way to Arrays! :)
Anders Johnsen <skabet@gmail.com>
parents: 68
diff changeset
505
628cb46ab13b First update on the way to Arrays! :)
Anders Johnsen <skabet@gmail.com>
parents: 68
diff changeset
506 Identifier arrayOf;
81
110c7e1c4ca2 Now you can declare array
Anders Johnsen <skabet@gmail.com>
parents: 80
diff changeset
507 int size;
72
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 private DType myType;
628cb46ab13b First update on the way to Arrays! :)
Anders Johnsen <skabet@gmail.com>
parents: 68
diff changeset
510 }
628cb46ab13b First update on the way to Arrays! :)
Anders Johnsen <skabet@gmail.com>
parents: 68
diff changeset
511
1
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
512 class Identifier : Exp
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 this(SLoc loc, char[] name)
1
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
515 {
88
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
516 super(ExpType.Identifier, loc);
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
517 this.name = name;
1
2168f4cb73f1 First push
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parents:
diff changeset
518 }
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
519
88
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
520 protected this(ExpType t, SLoc loc)
72
628cb46ab13b First update on the way to Arrays! :)
Anders Johnsen <skabet@gmail.com>
parents: 68
diff changeset
521 {
88
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
522 super(t, loc);
72
628cb46ab13b First update on the way to Arrays! :)
Anders Johnsen <skabet@gmail.com>
parents: 68
diff changeset
523 }
628cb46ab13b First update on the way to Arrays! :)
Anders Johnsen <skabet@gmail.com>
parents: 68
diff changeset
524
58
fc62c5296a1c Add types to our Exp
Anders Halager <halager@gmail.com>
parents: 56
diff changeset
525 override DType type()
fc62c5296a1c Add types to our Exp
Anders Halager <halager@gmail.com>
parents: 56
diff changeset
526 {
59
1d6f4ad38a91 Make most of the tests pass again
Anders Halager <halager@gmail.com>
parents: 58
diff changeset
527 if (myType !is null)
58
fc62c5296a1c Add types to our Exp
Anders Halager <halager@gmail.com>
parents: 56
diff changeset
528 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
529 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
530 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
531 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
532 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
533 myType = DType.Int;
58
fc62c5296a1c Add types to our Exp
Anders Halager <halager@gmail.com>
parents: 56
diff changeset
534 return myType;
fc62c5296a1c Add types to our Exp
Anders Halager <halager@gmail.com>
parents: 56
diff changeset
535 }
fc62c5296a1c Add types to our Exp
Anders Halager <halager@gmail.com>
parents: 56
diff changeset
536
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
537 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
538 {
88
eb5b2c719a39 Major change to locations, tokens and expressions.
Anders Halager <halager@gmail.com>
parents: 86
diff changeset
539 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
540 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
541 }
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
542
1
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
543 char[] get()
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
544 {
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
545 return name;
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
546 }
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
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 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
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 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
551
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 if(name == "main")
98
7f9240d4ddc1 Fixed tests - forgot some stuff in codegen.
Anders Johnsen <skabet@gmail.com>
parents: 96
diff changeset
553 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
554
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
555 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
556 }
1
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
557
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
558 hash_t toHash()
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
559 {
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
560 return jhash(name);
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
561 }
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
562
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
563 int opCmp(Object o)
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
564 {
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
565 if (auto id = cast(Identifier)o)
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
566 return typeid(char[]).compare(&name, &id.name);
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
567 return 0;
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
568 }
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
569
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
570 int opEquals(Object o)
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
571 {
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
572 if (auto id = cast(Identifier)o)
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
573 return typeid(char[]).equals(&name, &id.name);
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
574 return 0;
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
575 }
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
576
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
577 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
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 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
580 }
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
581
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
582 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
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 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
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585 }
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
586
1
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
587 char[] name;
58
fc62c5296a1c Add types to our Exp
Anders Halager <halager@gmail.com>
parents: 56
diff changeset
588 private DType myType;
1
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
589 }
2168f4cb73f1 First push
johnsen@johnsen-desktop
parents:
diff changeset
590