public override void Visit(AndExpressionNode node)
{
Console.WriteLine(this.indentation + "&&");
indentation = indentation + " ";
node.expression1.Accept(this);
node.expression2.Accept(this);
indentation = indentation.Substring(0, indentation.Length - 3);
}
public override void Visit(AndExpressionNode node)
{
string BooleanExpressionLabel = BooleanExpressionLabelGenerator.GetNewLabel();
string BooleanExpressionIsFalseLabel = BooleanExpressionLabel + "IsFalse";
string BooleanExpressionStoreLabel = BooleanExpressionLabel + "Store";
node.expression1.Accept(this);
Gen("cmp", "eax","0");
Gen("je", BooleanExpressionIsFalseLabel);
node.expression2.Accept(this);
Gen("cmp", "eax", "0");
Gen("je", BooleanExpressionIsFalseLabel);
Gen("mov", "eax", "1");
Gen("jmp", BooleanExpressionStoreLabel);
GenText(BooleanExpressionIsFalseLabel + ":");
Gen("mov", "eax", "0");
GenText(BooleanExpressionStoreLabel + ":");
}
public virtual void Visit(AndExpressionNode node)
{
node.expression1.Accept(this);
node.expression2.Accept(this);
}
public override void Visit(AndExpressionNode node)
{
node.expression1.Accept(this);
node.expression2.Accept(this);
if (!AreTypeCompatible(node.expression1.ExpressionType.GetType(), typeof(BooleanType)))
throw new Exception("Expression 1 for && operation is not of type Boolean!");
if (!AreTypeCompatible(node.expression2.ExpressionType.GetType(), typeof(BooleanType)))
throw new Exception("Expression 2 for && operation is not of type Boolean!");
node.ExpressionType = BooleanType.Instance;
}