| /* |
| * Copyright (c) 1999, 2013, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #ifndef SHARE_VM_CI_CISYMBOL_HPP |
| #define SHARE_VM_CI_CISYMBOL_HPP |
| |
| #include "ci/ciBaseObject.hpp" |
| #include "ci/ciObject.hpp" |
| #include "ci/ciObjectFactory.hpp" |
| #include "classfile/vmSymbols.hpp" |
| #include "oops/symbol.hpp" |
| |
| // ciSymbol |
| // |
| // This class represents a Symbol* in the HotSpot virtual |
| // machine. |
| class ciSymbol : public ciBaseObject { |
| Symbol* _symbol; |
| |
| CI_PACKAGE_ACCESS |
| // These friends all make direct use of get_symbol: |
| friend class ciEnv; |
| friend class ciInstanceKlass; |
| friend class ciSignature; |
| friend class ciMethod; |
| friend class ciField; |
| friend class ciObjArrayKlass; |
| |
| private: |
| const vmSymbols::SID _sid; |
| DEBUG_ONLY( bool sid_ok() { return vmSymbols::find_sid(get_symbol()) == _sid; } ) |
| |
| ciSymbol(Symbol* s); // normal case, for symbols not mentioned in vmSymbols |
| ciSymbol(Symbol* s, vmSymbols::SID sid); // for use with vmSymbols |
| |
| Symbol* get_symbol() const { return _symbol; } |
| |
| const char* type_string() { return "ciSymbol"; } |
| |
| void print_impl(outputStream* st); |
| |
| // This is public in Symbol* but private here, because the base can move: |
| const jbyte* base(); |
| |
| // Make a ciSymbol from a C string (implementation). |
| static ciSymbol* make_impl(const char* s); |
| |
| public: |
| // The enumeration ID from vmSymbols, or vmSymbols::NO_SID if none. |
| vmSymbols::SID sid() const { return _sid; } |
| |
| // The text of the symbol as a null-terminated utf8 string. |
| const char* as_utf8(); |
| int utf8_length(); |
| |
| // The text of the symbol as ascii with all non-printable characters quoted as \u#### |
| const char* as_quoted_ascii(); |
| |
| // 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; |
| |
| void print_symbol_on(outputStream* st); |
| void print_symbol() { |
| print_symbol_on(tty); |
| } |
| const char* as_klass_external_name() const; |
| |
| // 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 |
| |
| void print() { |
| _symbol->print(); |
| } |
| |
| virtual bool is_symbol() const { return true; } |
| |
| // Are two ciSymbols equal? |
| bool equals(ciSymbol* obj) { return this->_symbol == obj->get_symbol(); } |
| |
| bool is_signature_polymorphic_name() const; |
| }; |
| |
| #endif // SHARE_VM_CI_CISYMBOL_HPP |