ES3Parser.keyword C# (CSharp) Method

    public ES3Parser.keyword_return keyword() // throws RecognitionException [1]
    {   
        ES3Parser.keyword_return retval = new ES3Parser.keyword_return();
        retval.Start = input.LT(1);

        object root_0 = null;

        IToken set10 = null;

        object set10_tree=null;

        try 
    	{
            // C:\\Users\\s.ros\\Projets\\Jint\\Jint\\ES3.g:668:2: ( BREAK | CASE | CATCH | CONTINUE | DEFAULT | DELETE | DO | ELSE | FINALLY | FOR | FUNCTION | IF | IN | INSTANCEOF | NEW | RETURN | SWITCH | THIS | THROW | TRY | TYPEOF | VAR | VOID | WHILE | WITH )
            // C:\\Users\\s.ros\\Projets\\Jint\\Jint\\ES3.g:
            {
            	root_0 = (object)adaptor.GetNilNode();

            	set10 = (IToken)input.LT(1);
            	if ( (input.LA(1) >= BREAK && input.LA(1) <= WITH) ) 
            	{
            	    input.Consume();
            	    adaptor.AddChild(root_0, (object)adaptor.Create(set10));
            	    state.errorRecovery = false;
            	}
            	else 
            	{
            	    MismatchedSetException mse = new MismatchedSetException(null,input);
            	    throw mse;
            	}


            }

            retval.Stop = input.LT(-1);

            	retval.Tree = (object)adaptor.RulePostProcessing(root_0);
            	adaptor.SetTokenBoundaries(retval.Tree, (IToken) retval.Start, (IToken) retval.Stop);
        }
        catch (RecognitionException re) 
    	{
            ReportError(re);
            Recover(input,re);
    	// Conversion of the second argument necessary, but harmless
    	retval.Tree = (object)adaptor.ErrorNode(input, (IToken) retval.Start, input.LT(-1), re);

        }
        finally 
    	{
        }
        return retval;
    }
    // $ANTLR end "keyword"