• file
• revisions
• annotate
• diff
• comparison
• raw

src/share/vm/runtime/fieldType.hpp@9f4457a14b58 (annotated)

src/share/vm/runtime/fieldType.hpp

Wed, 09 Apr 2008 15:10:22 -0700

author

rasbold

date

Wed, 09 Apr 2008 15:10:22 -0700

changeset 544

9f4457a14b58

parent 435

a61af66fc99e

child 1907

c18cbe5936b8

permissions

-rw-r--r--

Merge

duke@435	1	/*
duke@435	2	* Copyright 1997-2002 Sun Microsystems, Inc. All Rights Reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
duke@435	19	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435	20	* CA 95054 USA or visit www.sun.com if you need additional information or
duke@435	21	* have any questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
duke@435	25	// Note: FieldType should be based on the SignatureIterator (or vice versa).
duke@435	26	// In any case, this structure should be re-thought at some point.
duke@435	27
duke@435	28	// A FieldType is used to determine the type of a field from a signature string.
duke@435	29
duke@435	30	class FieldType: public AllStatic {
duke@435	31	private:
duke@435	32	static void skip_optional_size(symbolOop signature, int* index);
duke@435	33	static bool is_valid_array_signature(symbolOop signature);
duke@435	34	public:
duke@435	35
duke@435	36	// Return basic type
duke@435	37	static BasicType basic_type(symbolOop signature);
duke@435	38
duke@435	39	// Testing
duke@435	40	static bool is_array(symbolOop signature) { return signature->utf8_length() > 1 && signature->byte_at(0) == '[' && is_valid_array_signature(signature); }
duke@435	41
duke@435	42	static bool is_obj(symbolOop signature) {
duke@435	43	int sig_length = signature->utf8_length();
duke@435	44	// Must start with 'L' and end with ';'
duke@435	45	return (sig_length >= 2 &&
duke@435	46	(signature->byte_at(0) == 'L') &&
duke@435	47	(signature->byte_at(sig_length - 1) == ';'));
duke@435	48	}
duke@435	49
duke@435	50	// Parse field and extract array information. Works for T_ARRAY only.
duke@435	51	static BasicType get_array_info(symbolOop signature, jint* dimension, symbolOop *object_key, TRAPS);
duke@435	52	};