Mercurial > hg > graal-compiler
view src/share/vm/ci/ciSymbol.hpp @ 1459:a8f9f091c219
Don't mess with VMToNative transitions..
author | Thomas Wuerthinger <wuerthinger@ssw.jku.at> |
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date | Sat, 13 Nov 2010 18:28:48 +0100 |
parents | 1ecc8f0aad00 |
children | 2d26b0046e0d |
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/* * Copyright 1999-2009 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ // ciSymbol // // This class represents a symbolOop in the HotSpot virtual // machine. class ciSymbol : public ciObject { CI_PACKAGE_ACCESS // These friends all make direct use of get_symbolOop: friend class ciEnv; friend class ciInstanceKlass; friend class ciSignature; friend class ciMethod; friend class ciObjArrayKlass; private: ciSymbol(symbolOop s) : ciObject(s) {} ciSymbol(symbolHandle s); // for use with vmSymbolHandles public: symbolOop get_symbolOop() const { return (symbolOop)get_oop(); } private: const char* type_string() { return "ciSymbol"; } void print_impl(outputStream* st); // This is public in symbolOop but private here, because the base can move: jbyte* base(); // Make a ciSymbol from a C string (implementation). static ciSymbol* make_impl(const char* s); public: // The text of the symbol as a null-terminated utf8 string. const char* as_utf8(); int utf8_length(); // Return the i-th utf8 byte, where i < utf8_length int byte_at(int i); // Tests if the symbol starts with the given prefix. bool starts_with(const char* prefix, int len) const; // Determines where the symbol contains the given substring. int index_of_at(int i, const char* str, int len) const; // What kind of ciObject is this? bool is_symbol() { return true; } void print_symbol_on(outputStream* st); void print_symbol() { print_symbol_on(tty); } // Make a ciSymbol from a C string. // Consider adding to vmSymbols.hpp instead of using this constructor. // (Your code will be less subject to typographical bugs.) static ciSymbol* make(const char* s); #define CI_SYMBOL_DECLARE(name, ignore_def) \ static ciSymbol* name() { return ciObjectFactory::vm_symbol_at(vmSymbols::VM_SYMBOL_ENUM_NAME(name)); } VM_SYMBOLS_DO(CI_SYMBOL_DECLARE, CI_SYMBOL_DECLARE) #undef CI_SYMBOL_DECLARE };