示例#1
0
        public object VisitFormParsAST([NotNull] FormParsASTContext context)
        {
            WhiteLine();
            string instruction = "PUSH_";

            if (context.Parent is ProgramASTContext)
            {
                instruction += "GLOBAL";
            }
            else
            {
                instruction += "LOCAL";
            }


            for (int i = 0; i < context.type().Length; i++)
            {
                string type = Visit(context.type(i)) as string;

                AddLine($"{instruction}_{type} {context.ident(i).GetText()}");
            }

            WhiteLine();
            return(null);
        }
示例#2
0
        public object VisitFormParsAST([NotNull] FormParsASTContext context)
        {
            var typesList = new List <TypeASTContext>(context.type().ToList().Cast <TypeASTContext>());
            var idents    = new List <IdentASTContext>(context.ident().ToList().Cast <IdentASTContext>());

            for (int i = 0; i < typesList.Count; i++)
            {
                var type = Visit(typesList[i]) as string;

                if (type != null)
                {
                    if (idents[i].IDENT() != null)
                    {
                        if (!ExistIdent(idents[i].IDENT().Symbol.Text, true))
                        {
                            if (types.IndexOf(type) > 10)
                            {
                                ClassIdentifier    classIdentifier     = identificationTable.FindClass(type);
                                List <Identifier>  instanceIdentifiers = GetIdentifiersFromClass(classIdentifier);
                                InstanceIdentifier instanceIdentifier  = new InstanceIdentifier(idents[i].IDENT().Symbol.Text, idents[i].IDENT().Symbol, identificationTable.getLevel(), type, context, classIdentifier, instanceIdentifiers);
                                identificationTable.Insert(instanceIdentifier);
                            }
                            else
                            {
                                var        ident      = idents[i].IDENT();
                                Identifier identifier = new VarIdentifier(ident.Symbol.Text, ident.Symbol, identificationTable.getLevel(), type, context);
                                if (typesList[i].SQUAREBL() != null && typesList[i].SQUAREBR() != null)
                                {
                                    if (types.IndexOf(type) <= 10)
                                    {
                                        List <Identifier> identifiers = new List <Identifier>();
                                        identifier.Id = "0";
                                        identifiers.Add(identifier);
                                        identifier.Type = type.Replace("[]", "");
                                        ArrayIdentifier arrayIdentifier = new ArrayIdentifier(ident.Symbol.Text, ident.Symbol, identificationTable.getLevel(), type, context, 1, identifiers);
                                        identificationTable.Insert(arrayIdentifier);
                                    }
                                }
                                else
                                {
                                    identificationTable.Insert(identifier);
                                }
                            }
                        }
                        else
                        {
                            InsertError(idents[i].IDENT().Symbol, "El identificador " + idents[i].IDENT().Symbol.Text + " ya fue declarado en los parámetros");
                        }
                    }
                }
            }
            return(context);
        }
示例#3
0
        public object VisitActParsAST([NotNull] ActParsASTContext context)
        {
            var callFactor    = context.Parent is IdentOrCallFactorASTContext ? (IdentOrCallFactorASTContext)context.Parent : null;
            var callStatement = context.Parent is CallStatementASTContext ? (CallStatementASTContext)context.Parent : null;

            MethodIdentifier methodIdentifier = null;

            if (callFactor != null)
            {
                methodIdentifier = (MethodIdentifier)Visit(callFactor.designator());
            }
            else if (callStatement != null)
            {
                methodIdentifier = (MethodIdentifier)Visit(callStatement.designator());
            }

            if (methodIdentifier == null)
            {
                return(null);
            }

            FormParsASTContext originalPars = methodIdentifier.FormPars;

            if (originalPars == null)
            {
                if (methodIdentifier.DefaultMethod)
                {
                    if (methodIdentifier.DefaulMethodParams == null)
                    {
                        InsertError(context.Start,
                                    "El método '" + methodIdentifier.Id + "' no recibe parámetros, y se recibieron " + context.expr().Length);
                    }
                    else if (context.expr().Length != methodIdentifier.DefaulMethodParams.Count)
                    {
                        InsertError(context.Start,
                                    "El método '" + methodIdentifier.Id + "' recibe " + methodIdentifier.DefaulMethodParams.Count + " parámetros, y se recibieron " + context.expr().Length);
                    }
                    else
                    {
                        for (int i = 0; i < methodIdentifier.DefaulMethodParams.Count; i++)
                        {
                            string exprType = (string)Visit(context.expr()[i]);
                            if (exprType == null)
                            {
                                return(null);
                            }
                            else if (exprType != "none" && ((methodIdentifier.DefaulMethodParams[i] == "array" && !exprType.Contains("[]")) && exprType != methodIdentifier.DefaulMethodParams[i]))
                            {
                                InsertError(context.expr()[i].Start,
                                            $"El tipo de la expresión '{ context.expr()[i].GetText()}' es '" + exprType + "', y se esperaba el tipo '" + methodIdentifier.DefaulMethodParams[i] + "'");
                            }
                        }
                    }
                }
                else
                {
                    InsertError(context.Start, "El método '" + methodIdentifier.Id + "' no recibe parámetros, y se recibieron " + context.expr().Length);
                }
            }
            else if (context.expr().Length != originalPars.ident().Length)
            {
                InsertError(context.Start, "El método '" + methodIdentifier.Id + "' recibe " + originalPars.ident().Length + " parámetros, y se recibieron " + context.expr().Length);
            }
            else
            {
                for (int i = 0; i < originalPars.ident().Length; i++)
                {
                    string exprType = (string)Visit(context.expr()[i]);
                    if (exprType == null)
                    {
                        return(null);
                    }
                    else if (exprType != "none" && exprType != originalPars.type()[i].GetText())
                    {
                        InsertError(context.expr()[i].Start,
                                    $"El tipo de la expresión '{ context.expr()[i].GetText()}' es '" + exprType + "', y se esperaba el tipo '" + originalPars.type()[i].GetText() + "'");
                    }
                }
            }



            return(null);
        }