Esempio n. 1
0
        public override void CheckSemantic(Scope scope, List<Error> errors)
        {
            int count = errors.Count();
            Id.CheckSemantic(scope, errors);

            lval = (TigerNode)Id;
            GetLValues(Access, ref lval);

            count = errors.Count();
            lval.CheckSemantic(scope, errors);
            if (count == errors.Count())
                ReturnType = lval.ReturnType;
        }
Esempio n. 2
0
        public List<Error> Compile(string inputPath)
        {
            this.inputpath = inputPath;
            root = null;

            stream = new ANTLRFileStream(inputpath);
            lexer = new tiger_grammarLexer(stream);
            tokens = new CommonTokenStream(lexer);
            parser = new tiger_grammarParser(tokens);

            try
            {
                var result = parser.language();
                root = result;
                if (parser.Errors.Count() == 0)
                {
                    Errors.Clear();
                    Scope scope = new Scope(null);
                    scope.InitiScope();
                    root.CheckSemantic(scope, Errors);

                    if (Errors.Count() == 0)
                    {
                        GenCode(root);
                    }
                }
                else
                {
                    Errors.Clear();
                    foreach (var item in parser.Errors)
                    {
                        Errors.Add(new Error(0,0,item));
                    }
                }
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
                Console.ReadLine();
            }
            return Errors;
        }