public object VisitForStatementAST([NotNull] ForStatementASTContext context)
{
if (context.condition() != null && context.statement(0) != null && context.statement(1) != null)
{
Visit(context.condition());
int jumpIfFalse = LineCount;
AddLine("JUMP_IF_FALSE");
int jumpIfNext = LineCount;
Visit(context.statement(1));
Visit(context.statement(0));
Visit(context.condition());
AddLine($"JUMP_IF_TRUE {jumpIfNext}");
SetLineOnRealIndexOf(jumpIfFalse, $"JUMP_IF_FALSE {LineCount}");
}
return(null);
}
public object VisitForStatementAST([NotNull] ForStatementASTContext context)
{
var iterator = Visit(context.expr()) as string ?? "none";
if (context.condition() != null && context.statement(0) != null && context.statement(1) != null)
{
Visit(context.condition());
Visit(context.statement()[0]);
if (iterator == "int")
{
if (context.statement().Length > 1)
{
Visit(context.statement()[1]);
}
}
else
{
InsertError(context.expr().Start, $"El iterador debe ser de tipo 'int' pero se obtuvo '{iterator}'.");
}
VisitChildren(context);
List <Pair <string, IToken> > returnedTypes = new List <Pair <string, IToken> >();
context.statement().ToList().ForEach(statement =>
{
var list = Visit(statement) as List <Pair <string, IToken> >;
if (list != null)
{
returnedTypes.AddRange(list);
}
});
return(returnedTypes);
}
return(new List <Pair <string, IToken> >());
}
