public void Visit(BinaryExpr binaryExpr)
{
TreeLevel++;
PrintNode("binaryExpr");
PrintNode(binaryExpr.Op.ToString(), true);
binaryExpr.Left.Accept(this);
binaryExpr.Right.Accept(this);
TreeLevel--;
}
private BinaryExpr CreateBinaryExpr(Token token = null)
{
if (token == null)
{
token = AcceptedToken;
}
BinaryExpr expr = new BinaryExpr(token.Line, token.Column);
switch(token.Type)
{
case Token.Types.OpPlus: expr.Op = Operator.Plus; break;
case Token.Types.OpMinus: expr.Op = Operator.Minus; break;
case Token.Types.OpMultiply: expr.Op = Operator.Times; break;
case Token.Types.OpDivide: expr.Op = Operator.Divide; break;
case Token.Types.OpLess: expr.Op = Operator.Less; break;
case Token.Types.OpEquals: expr.Op = Operator.Equals; break;
case Token.Types.OpAnd: expr.Op = Operator.And; break;
}
return expr;
}
public override void Visit(BinaryExpr binaryExpr)
{
binaryExpr.Left.Accept(this);
binaryExpr.Right.Accept(this);
binaryExpr.ExprValue = Evaluator.EvaluateExpression(binaryExpr.Left, binaryExpr.Right, binaryExpr.Op);
}
public override void Visit(BinaryExpr binaryExpr)
{
binaryExpr.Left.Accept(this);
binaryExpr.Right.Accept(this);
binaryExpr.Type = Checker.TypeCheck(binaryExpr.Left, binaryExpr.Right, binaryExpr.Op);
}