public void visitEqualityOperator(EqualityOperationNode node)
{
accessChildren(node);
MiniPLTokenType left = this.typeStack.Pop();
MiniPLTokenType right = this.typeStack.Pop();
if (left != right)
{
throw new SemanticException("Equality operator has different types on both sides.");
}
this.typeStack.Push(MiniPLTokenType.TYPE_IDENTIFIER_BOOL);
}
public void visitEqualityOperator(EqualityOperationNode node)
{
readValues(node);
if (intType)
{
bool value = popInt() == popInt();
this.boolStack.Push(value);
this.intType = false;
}
else if (strType)
{
bool value = String.Equals(popString(), popString());
this.boolStack.Push(value);
this.strType = false;
}
else
{
bool lhs = popBool();
bool rhs = popBool();
bool value = lhs == rhs;
this.boolStack.Push(value);
}
}
private void Parsing(EqualityOperationNode node, string methodName)
{
CheckExistVars(node, methodName);
}
public void visitEqualityOperator(EqualityOperationNode node)
{
}