public MulNode Mulibly()
{
MulNode mulNode = new MulNode();
Match(TokenType.MUL);
return(mulNode);
}
public override Node VisitArithmetic([NotNull] TigerParser.ArithmeticContext context)
{
ArithmeticNode node;
switch (context.op.Text)
{
case "*":
node = new MulNode(context);
break;
case "/":
node = new DivNode(context);
break;
case "+":
node = new PlusNode(context);
break;
case "-":
node = new MinusNode(context);
break;
default:
throw new NotSupportedException();
}
node.Children.Add(Visit(context.expr(0))); // LEFT EXPRESSION
node.Children.Add(Visit(context.expr(1))); // RIGHT EXPRESSION
return(node);
}
public override ASTNode VisitArithmetic([NotNull] CoolParser.ArithmeticContext context)
{
ArithmeticOperation operators;
switch (context.op.Text)
{
case "*":
operators = new MulNode(context);
break;
case "/":
operators = new DivNode(context);
break;
case "+":
operators = new AddNode(context);
break;
case "-":
operators = new SubNode(context);
break;
default:
throw new NotSupportedException();
}
operators.LeftOperand = Visit(context.expression(0)) as ExpressionNode; // LEFT EXPRESSION
operators.RightOperand = Visit(context.expression(1)) as ExpressionNode; //RIGHT EXPRESSION
return(operators);
}
public override ASTNode VisitArithmetic([NotNull] CoolParser.ArithmeticContext context)
{
BinaryOperatorNode boNode = null;
if (context.op.Text == "+")
{
boNode = new SumNode(context.Start.Line, context.Start.Column);
}
if (context.op.Text == "-")
{
boNode = new SubNode(context.Start.Line, context.Start.Column);
}
if (context.op.Text == "*")
{
boNode = new MulNode(context.Start.Line, context.Start.Column);
}
if (context.op.Text == "/")
{
boNode = new DivNode(context.Start.Line, context.Start.Column);
}
boNode.LeftOperand = Visit(context.expr(0)) as ExpressionNode;
boNode.RightOperand = Visit(context.expr(1)) as ExpressionNode;
return(boNode);
}
public override ASTN VisitMuldiv([NotNull] MuldivContext context)
{
ExprNode Leftexpr = (VisitExpr(context.left) as ExprNode);
ExprNode Rigthexpr = (VisitExpr(context.right) as ExprNode);
AritmethicNode node;
if (context.op.Type == MUL)
{
node = new MulNode(context);
}
else
{
node = new DivNode(context);
}
node.Leftexpr = Leftexpr;
node.Rigthexpr = Rigthexpr;
return(node);
}
public abstract T Visit(MulNode node);
