public override bool VisitWhileExpression(WhileExpressionAST whileExpression)
{
whileExpression.ExpressionConditional.Accept(this);
whileExpression.ReturnType = TigerType.GetType <ErrorType>();
if (whileExpression.ExpressionConditional.ReturnType != TigerType.GetType <IntType>())
{
_errorListener.Add(new AnalysisError(AnalysisError.LoadMessage("IfCond"), whileExpression.Line, whileExpression.Columns));
}
else
{
//guardo, si hay, el ciclo previo
LoopAST prevLoop = _scope.ContainerLoop;
_scope.ContainerLoop = whileExpression;
if (whileExpression.BodyExpressions.Accept(this))
{
//repongo el ciclo q habia
_scope.ContainerLoop = prevLoop;
whileExpression.ReturnType = TigerType.GetType <NoType>();
return(true);
}
}
return(false);
}
public Scope(Scope scope, LoopAST loopAST)
: this(scope)
{
ContainerLoop = loopAST;
}
