public virtual void visit(Int32Literal n)
{
throw new NotImplementedException();
}
public abstract void visit(Int32Literal n);
private Exp EatPrimary()
{
switch (tokens[0].type)
{
case Global.DataType.IDENTIFIER:
return EatIdentifier();
case Global.DataType.INT:
switch (architecture)
{
case Global.InstructionSets.X86: Exp result = new Int32Literal(context[0], tokens[0].value); CutData(1); return result;
case Global.InstructionSets.X86_64: result = new Int64Literal(context[0], tokens[0].value); CutData(1); return result;
}
break;
case Global.DataType.DOUBLE:
switch (architecture)
{
case Global.InstructionSets.X86: Exp result = new FloatLiteral(context[0], tokens[0].value); CutData(1); return result;
case Global.InstructionSets.X86_64: result = new DoubleLiteral(context[0], tokens[0].value); CutData(1); return result;
}
break;
case Global.DataType.STRING:
Exp literal = EatStringLiteral(new StringLiteral(context[0]));
return literal;
case Global.DataType.TRUE:
CutData(1);
return new BoolLiteral(context[0], "true");
case Global.DataType.FALSE:
CutData(1);
return new BoolLiteral(context[0], "false");
}
return null;
}