ProgrammingLanguageNr1.Parser.returnFromFunction C# (CSharp) Méthode

        private AST returnFromFunction()
        {
            #if WRITE_DEBUG_INFO
            Console.WriteLine("return from function");
            #endif

            AST returnTree = new AST(match(Token.TokenType.RETURN));
            AST returnExpression = expression();

            if(returnExpression != null) {
                returnTree.addChild(returnExpression);
            }
            //else {
            //    throw new Error("No expression in return statement", Error.ErrorType.SYNTAX,
            //        lookAhead(1).LineNr, lookAhead(1).LinePosition);
            //}

            return returnTree;
        }