java.lang.Integer.parseInt C# (CSharp) Method

        public static int parseInt(global::java.lang.String par0)
        {
            global::net.sf.jni4net.jni.JNIEnv @__env = global::net.sf.jni4net.jni.JNIEnv.ThreadEnv;
            using(new global::net.sf.jni4net.jni.LocalFrame(@__env, 12)){
            return ((int)(@__env.CallStaticIntMethod(global::java.lang.Integer.staticClass, global::java.lang.Integer.j4n_parseInt11, global::net.sf.jni4net.utils.Convertor.ParStrongCp2J(par0))));
            }
        }

    // $ANTLR end "multExpr"


    // $ANTLR start "atom"
    // JavaCompat\\Expr.g3:96:0: atom returns [int value] : ( INT | ID | '(' expr ')' );
    private int atom(  )
    {
        int value = default(int);

        IToken INT4  = null;
        IToken ID5   = null;
        int    expr6 = default(int);

        try
        {
            // JavaCompat\\Expr.g3:97:9: ( INT | ID | '(' expr ')' )
            int alt5 = 3;
            switch (input.LA(1))
            {
            case INT:
            {
                alt5 = 1;
            }
            break;

            case ID:
            {
                alt5 = 2;
            }
            break;

            case 9:
            {
                alt5 = 3;
            }
            break;

            default:
            {
                NoViableAltException nvae = new NoViableAltException("", 5, 0, input);

                throw nvae;
            }
            }

            switch (alt5)
            {
            case 1:
                // JavaCompat\\Expr.g3:97:9: INT
            {
                INT4  = (IToken)Match(input, INT, Follow._INT_in_atom231);
                value = Integer.parseInt((INT4 != null?INT4.Text:null));
            }
            break;

            case 2:
                // JavaCompat\\Expr.g3:98:9: ID
            {
                ID5 = (IToken)Match(input, ID, Follow._ID_in_atom243);

                Integer v = (Integer)memory.get((ID5 != null?ID5.Text:null));
                if (v != null)
                {
                    value = v.intValue();
                }
                else
                {
                    JSystem.err.println("undefined variable " + (ID5 != null?ID5.Text:null));
                }
            }
            break;

            case 3:
                // JavaCompat\\Expr.g3:104:9: '(' expr ')'
            {
                Match(input, 9, Follow._9_in_atom263);
                PushFollow(Follow._expr_in_atom265);
                expr6 = expr();

                state._fsp--;

                Match(input, 10, Follow._10_in_atom267);
                value = expr6;
            }
            break;
            }
        }
        catch (RecognitionException re)
        {
            ReportError(re);
            Recover(input, re);
        }
        finally
        {
        }
        return(value);
    }