Mercurial > hg > truffle
diff src/share/vm/ci/ciSymbol.cpp @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | dd57230ba8fe |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/ci/ciSymbol.cpp Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,108 @@ +/* + * Copyright 1999-2007 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. + * + */ + +#include "incls/_precompiled.incl" +#include "incls/_ciSymbol.cpp.incl" + +// ------------------------------------------------------------------ +// ciSymbol::ciSymbol +// +// Preallocated handle variant. Used with handles from vmSymboHandles. +ciSymbol::ciSymbol(symbolHandle h_s) : ciObject(h_s) { +} + +// ciSymbol +// +// This class represents a symbolOop in the HotSpot virtual +// machine. + +// ------------------------------------------------------------------ +// ciSymbol::as_utf8 +// +// The text of the symbol as a null-terminated C string. +const char* ciSymbol::as_utf8() { + VM_QUICK_ENTRY_MARK; + symbolOop s = get_symbolOop(); + return s->as_utf8(); +} + +// ------------------------------------------------------------------ +// ciSymbol::base +jbyte* ciSymbol::base() { + GUARDED_VM_ENTRY(return get_symbolOop()->base();) +} + +// ------------------------------------------------------------------ +// ciSymbol::byte_at +int ciSymbol::byte_at(int i) { + GUARDED_VM_ENTRY(return get_symbolOop()->byte_at(i);) +} + +// ------------------------------------------------------------------ +// ciSymbol::utf8_length +int ciSymbol::utf8_length() { + GUARDED_VM_ENTRY(return get_symbolOop()->utf8_length();) +} + +// ------------------------------------------------------------------ +// ciSymbol::print_impl +// +// Implementation of the print method +void ciSymbol::print_impl(outputStream* st) { + st->print(" value="); + print_symbol_on(st); +} + +// ------------------------------------------------------------------ +// ciSymbol::print_symbol_on +// +// Print the value of this symbol on an outputStream +void ciSymbol::print_symbol_on(outputStream *st) { + GUARDED_VM_ENTRY(get_symbolOop()->print_symbol_on(st);) +} + +// ------------------------------------------------------------------ +// ciSymbol::make_impl +// +// Make a ciSymbol from a C string (implementation). +ciSymbol* ciSymbol::make_impl(const char* s) { + EXCEPTION_CONTEXT; + // For some reason, oopFactory::new_symbol doesn't declare its + // char* argument as const. + symbolOop sym = oopFactory::new_symbol((char*)s, (int)strlen(s), THREAD); + if (HAS_PENDING_EXCEPTION) { + CLEAR_PENDING_EXCEPTION; + CURRENT_THREAD_ENV->record_out_of_memory_failure(); + return ciEnv::_unloaded_cisymbol; + } + return CURRENT_THREAD_ENV->get_object(sym)->as_symbol(); +} + +// ------------------------------------------------------------------ +// ciSymbol::make +// +// Make a ciSymbol from a C string. +ciSymbol* ciSymbol::make(const char* s) { + GUARDED_VM_ENTRY(return make_impl(s);) +}