ciSymbol.cpp revision 1138
0N/A/*
3226N/A * Copyright 1999-2009 Sun Microsystems, Inc. All Rights Reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
1472N/A * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
1472N/A * CA 95054 USA or visit www.sun.com if you need additional information or
1472N/A * have any questions.
0N/A *
0N/A */
0N/A
1879N/A#include "incls/_precompiled.incl"
1879N/A#include "incls/_ciSymbol.cpp.incl"
3619N/A
1879N/A// ------------------------------------------------------------------
1879N/A// ciSymbol::ciSymbol
1879N/A//
1879N/A// Preallocated handle variant. Used with handles from vmSymboHandles.
1879N/AciSymbol::ciSymbol(symbolHandle h_s) : ciObject(h_s) {
1879N/A}
1879N/A
1879N/A// ciSymbol
1879N/A//
0N/A// This class represents a symbolOop in the HotSpot virtual
1554N/A// machine.
3619N/A
244N/A// ------------------------------------------------------------------
3619N/A// ciSymbol::as_utf8
244N/A//
1554N/A// The text of the symbol as a null-terminated C string.
244N/Aconst char* ciSymbol::as_utf8() {
3619N/A VM_QUICK_ENTRY_MARK;
3619N/A symbolOop s = get_symbolOop();
3619N/A return s->as_utf8();
253N/A}
253N/A
3619N/A// ------------------------------------------------------------------
3619N/A// ciSymbol::base
3619N/Ajbyte* ciSymbol::base() {
253N/A GUARDED_VM_ENTRY(return get_symbolOop()->base();)
253N/A}
3619N/A
3619N/A// ------------------------------------------------------------------
253N/A// ciSymbol::byte_at
2956N/Aint ciSymbol::byte_at(int i) {
2956N/A GUARDED_VM_ENTRY(return get_symbolOop()->byte_at(i);)
0N/A}
0N/A
3619N/A// ------------------------------------------------------------------
3619N/A// ciSymbol::starts_with
3619N/A//
3619N/A// Tests if the symbol starts with the given prefix.
3619N/Abool ciSymbol::starts_with(const char* prefix, int len) const {
3619N/A GUARDED_VM_ENTRY(return get_symbolOop()->starts_with(prefix, len);)
3619N/A}
3619N/A
3619N/A// ------------------------------------------------------------------
3619N/A// ciSymbol::index_of
3619N/A//
3619N/A// Determines where the symbol contains the given substring.
3619N/Aint ciSymbol::index_of_at(int i, const char* str, int len) const {
3619N/A GUARDED_VM_ENTRY(return get_symbolOop()->index_of_at(i, str, len);)
3619N/A}
3619N/A
3619N/A// ------------------------------------------------------------------
3619N/A// ciSymbol::utf8_length
3619N/Aint ciSymbol::utf8_length() {
3619N/A GUARDED_VM_ENTRY(return get_symbolOop()->utf8_length();)
3619N/A}
3619N/A
3619N/A// ------------------------------------------------------------------
3619N/A// ciSymbol::print_impl
3619N/A//
3619N/A// Implementation of the print method
3619N/Avoid ciSymbol::print_impl(outputStream* st) {
3619N/A st->print(" value=");
3619N/A print_symbol_on(st);
3619N/A}
3619N/A
3619N/A// ------------------------------------------------------------------
3619N/A// ciSymbol::print_symbol_on
3619N/A//
3619N/A// Print the value of this symbol on an outputStream
3619N/Avoid ciSymbol::print_symbol_on(outputStream *st) {
3619N/A GUARDED_VM_ENTRY(get_symbolOop()->print_symbol_on(st);)
3619N/A}
3619N/A
3619N/A// ------------------------------------------------------------------
3619N/A// ciSymbol::make_impl
3619N/A//
3619N/A// Make a ciSymbol from a C string (implementation).
3619N/AciSymbol* ciSymbol::make_impl(const char* s) {
3619N/A EXCEPTION_CONTEXT;
3619N/A // For some reason, oopFactory::new_symbol doesn't declare its
3619N/A // char* argument as const.
3619N/A symbolOop sym = oopFactory::new_symbol((char*)s, (int)strlen(s), THREAD);
3619N/A if (HAS_PENDING_EXCEPTION) {
3619N/A CLEAR_PENDING_EXCEPTION;
3619N/A CURRENT_THREAD_ENV->record_out_of_memory_failure();
3619N/A return ciEnv::_unloaded_cisymbol;
3619N/A }
3619N/A return CURRENT_THREAD_ENV->get_object(sym)->as_symbol();
3619N/A}
3619N/A
3619N/A// ------------------------------------------------------------------
3619N/A// ciSymbol::make
3619N/A//
3619N/A// Make a ciSymbol from a C string.
3619N/AciSymbol* ciSymbol::make(const char* s) {
3619N/A GUARDED_VM_ENTRY(return make_impl(s);)
3619N/A}
3619N/A