public override TreeNode GetAstCodeGenerator(SymbolTable t)
{
switch (op)
{
case "<":
var less = new Lt((MIPSCodeGenerator.Expression)Left.GetAstCodeGenerator(t), (MIPSCodeGenerator.Expression)Rigth.GetAstCodeGenerator(t), Line);
SetGeneratorType(less);
return(less);
case "<=":
var lesseq = new Leq((MIPSCodeGenerator.Expression)Left.GetAstCodeGenerator(t), (MIPSCodeGenerator.Expression)Rigth.GetAstCodeGenerator(t), Line);
SetGeneratorType(lesseq);
return(lesseq);
case "=":
var eq = new Eq((MIPSCodeGenerator.Expression)Left.GetAstCodeGenerator(t), (MIPSCodeGenerator.Expression)Rigth.GetAstCodeGenerator(t), Line);
SetGeneratorType(eq);
return(eq);
case ">":
var greater = new Lt((MIPSCodeGenerator.Expression)Rigth.GetAstCodeGenerator(t), (MIPSCodeGenerator.Expression)Left.GetAstCodeGenerator(t), Line);
SetGeneratorType(greater);
return(greater);
case ">=":
var greaterEq = new Leq((MIPSCodeGenerator.Expression)Rigth.GetAstCodeGenerator(t), (MIPSCodeGenerator.Expression)Left.GetAstCodeGenerator(t), Line);
SetGeneratorType(greaterEq);
return(greaterEq);
default: throw new InvalidOperationException();
}
}
public override TreeNode GetAstCodeGenerator(SymbolTable t)
{
switch (op)
{
case "+":
var plus = new Plus((MIPSCodeGenerator.Expression)Left.GetAstCodeGenerator(t), (MIPSCodeGenerator.Expression)Rigth.GetAstCodeGenerator(t), Line);
SetGeneratorType(plus);
return(plus);
case "-":
var sub = new Sub((MIPSCodeGenerator.Expression)Left.GetAstCodeGenerator(t), (MIPSCodeGenerator.Expression)Rigth.GetAstCodeGenerator(t), Line);
SetGeneratorType(sub);
return(sub);
case "*":
var mul = new Mul((MIPSCodeGenerator.Expression)Left.GetAstCodeGenerator(t), (MIPSCodeGenerator.Expression)Rigth.GetAstCodeGenerator(t), Line);
SetGeneratorType(mul);
return(mul);
case "/":
var div = new Divide((MIPSCodeGenerator.Expression)Left.GetAstCodeGenerator(t), (MIPSCodeGenerator.Expression)Rigth.GetAstCodeGenerator(t), Line);
SetGeneratorType(div);
return(div);
default: throw new InvalidOperationException();
}
}