protected ObjectDef EmitEqualityExpression(CParser.EqualityExpressionContext equalityExpression)
{
ObjectDef returnObjectDef = null;
if (equalityExpression.relationalExpression() != null)
{
returnObjectDef = EmitRelationalExpression(equalityExpression.relationalExpression());
}
if (equalityExpression.relationalExpression() != null &&
equalityExpression.equalityExpression() != null)
{
var equalityObj = EmitEqualityExpression(equalityExpression.equalityExpression());
equalityObj.Load();
returnObjectDef.Load();
if (equalityExpression.Equal() != null)
{
_generatorIL.Emit(OpCodes.Ceq);
}
else if (equalityExpression.NotEqual() != null)
{
var zero = new ValueObjectDef(typeof(int), 0);
_generatorIL.Emit(OpCodes.Ceq);
zero.Load();
_generatorIL.Emit(OpCodes.Ceq);
}
returnObjectDef = LocalObjectDef.AllocateLocal(typeof(int));
}
return(returnObjectDef);
}
public override void ExitEqualityExpression(CParser.EqualityExpressionContext context)
{
if (context.equalityExpression() != null)
{
string operation = context.GetText().Substring(context.equalityExpression().GetText().Length, 2);
if (operation == "==")
{
//equalityExpression '==' relationalExpression
SafeCall(context, CExpression.EqualToOperator);
}
else
{
//equalityExpression '!=' relationalExpression
SafeCall(context, CExpression.NotEqualToOperator);
}
}
}