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

src/share/vm/ci/ciNullObject.hpp@b4776199210f (annotated)

src/share/vm/ci/ciNullObject.hpp

Mon, 26 Apr 2010 23:59:45 -0700

author

never

date

Mon, 26 Apr 2010 23:59:45 -0700

changeset 1832

b4776199210f

parent 435

a61af66fc99e

child 1907

c18cbe5936b8

permissions

-rw-r--r--

6943485: JVMTI always on capabilities change code generation too much
Reviewed-by: twisti, dcubed

duke@435	1	/*
duke@435	2	* Copyright 1999-2000 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	// ciNullObject
duke@435	26	//
duke@435	27	// This class represents a null reference in the VM.
duke@435	28	class ciNullObject : public ciObject {
duke@435	29	CI_PACKAGE_ACCESS
duke@435	30
duke@435	31	private:
duke@435	32	ciNullObject() : ciObject() {}
duke@435	33
duke@435	34	const char* type_string() { return "ciNullObject"; }
duke@435	35
duke@435	36	void print_impl(outputStream* st);
duke@435	37
duke@435	38	public:
duke@435	39	// Is this ciObject a Java Language Object? That is,
duke@435	40	// is the ciObject an instance or an array
duke@435	41	bool is_java_object() { return true; }
duke@435	42
duke@435	43	// What kind of ciObject is this?
duke@435	44	bool is_null_object() const { return true; }
duke@435	45	bool is_classless() const { return true; }
duke@435	46
duke@435	47	// Get the distinguished instance of this klass.
duke@435	48	static ciNullObject* make();
duke@435	49	};