jdk8-mips64-public/hotspot: src/share/vm/runtime/fieldType.hpp@9f4457a14b58

     1 /*

     2  * Copyright 1997-2002 Sun Microsystems, Inc.  All Rights Reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  *

    23  */

    25 // Note: FieldType should be based on the SignatureIterator (or vice versa).

    26 //       In any case, this structure should be re-thought at some point.

    28 // A FieldType is used to determine the type of a field from a signature string.

    30 class FieldType: public AllStatic {

    31  private:

    32   static void skip_optional_size(symbolOop signature, int* index);

    33   static bool is_valid_array_signature(symbolOop signature);

    34  public:

    36   // Return basic type

    37   static BasicType basic_type(symbolOop signature);

    39   // Testing

    40   static bool is_array(symbolOop signature) { return signature->utf8_length() > 1 && signature->byte_at(0) == '[' && is_valid_array_signature(signature); }

    42   static bool is_obj(symbolOop signature) {

    43      int sig_length = signature->utf8_length();

    44      // Must start with 'L' and end with ';'

    45      return (sig_length >= 2 &&

    46              (signature->byte_at(0) == 'L') &&

    47              (signature->byte_at(sig_length - 1) == ';'));

    48   }

    50   // Parse field and extract array information. Works for T_ARRAY only.

    51   static BasicType get_array_info(symbolOop signature, jint* dimension, symbolOop *object_key, TRAPS);

    52 };

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/runtime/fieldType.hpp@9f4457a14b58

src/share/vm/runtime/fieldType.hpp