public override bool VisitNegExpression(NegExpressionAST negExpression)
{
var other = _other as NegExpressionAST;
if (other == null)
{
return(false);
}
return(IsEqualNodes(other.Expression, negExpression.Expression));
}
public override bool VisitNegExpression(NegExpressionAST negExpression)
{
negExpression.CurrentScope = _scope;
if (negExpression.Expression.Accept(this))
{
if (negExpression.Expression.ReturnType == TigerType.GetType <IntType>())
{
negExpression.ReturnType = TigerType.GetType <IntType>();
return(true);
}
_errorListener.Add(new AnalysisError(string.Format(AnalysisError.LoadMessage("NegExp"), negExpression.Expression.ReturnType), negExpression.Line,
negExpression.Columns));
}
negExpression.ReturnType = TigerType.GetType <ErrorType>();
return(false);
}
public override Unit VisitNegExpression(NegExpressionAST negExpression)
{
bool temp = code.PushOnStack;
code.PushOnStack = true;
ILGenerator il = code.Method.GetILGenerator();
//cargando el entero para la pila
il.Emit(OpCodes.Ldc_I4, -1);
negExpression.Expression.Accept(this);
il.Emit(OpCodes.Mul);
code.PushOnStack = temp;
if (!code.PushOnStack)
{
il.Emit(OpCodes.Pop);
}
return(Unit.Create());
}
public abstract T VisitNegExpression(NegExpressionAST negExpression);
