00001 /* Copyright 1994, 1995 LongView Technologies L.L.C. $Revision: 1.13 $ */ 00002 /* Copyright (c) 2006, Sun Microsystems, Inc. 00003 All rights reserved. 00004 00005 Redistribution and use in source and binary forms, with or without modification, are permitted provided that the 00006 following conditions are met: 00007 00008 * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 00009 * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following 00010 disclaimer in the documentation and/or other materials provided with the distribution. 00011 * Neither the name of Sun Microsystems nor the names of its contributors may be used to endorse or promote products derived 00012 from this software without specific prior written permission. 00013 00014 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT 00015 NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 00016 THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 00017 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00018 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 00019 OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE 00020 00021 00022 */ 00023 00024 00025 // symbolOops are canonical symbols; all symbolOops are registered in the 00026 // symbol table 00027 00028 class symbolKlass: public byteArrayKlass { 00029 public: 00030 // testers 00031 bool oop_is_symbol() const { return true; } 00032 00033 // allocation properties 00034 bool can_inline_allocation() const { return false; } 00035 00036 // creates invocation 00037 klassOop create_subclass(mixinOop mixin, Format format); 00038 00039 static klassOop create_class(klassOop super_class, mixinOop mixin); 00040 00041 // Format 00042 Format format() { return symbol_klass; } 00043 00044 // reflective properties 00045 bool can_have_instance_variables() const { return false; } 00046 bool can_be_subclassed() const { return false; } 00047 00048 // allocation operation 00049 symbolOop allocateSymbol(char* name, int len); 00050 00051 // copy operation 00052 oop oop_shallow_copy(oop obj, bool tenured); 00053 00054 // memory operations 00055 oop scavenge(oop obj); 00056 bool verify(oop obj); 00057 00058 // printing operations 00059 void oop_print_value_on(oop obj, outputStream* st); 00060 char* name() const { return "symbol"; } 00061 void print(oop obj); 00062 00063 // class creation 00064 friend void set_symbolKlass_vtbl(Klass* k); 00065 };