author | jrose |
Sat, 01 May 2010 02:42:18 -0700 | |
changeset 5420 | 586d3988e72b |
parent 4567 | 7fc02fbe5c7a |
child 5547 | f4b087cbb361 |
permissions | -rw-r--r-- |
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/* |
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* Copyright 1999-2009 Sun Microsystems, Inc. All Rights Reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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* CA 95054 USA or visit www.sun.com if you need additional information or |
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* have any questions. |
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* |
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*/ |
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#include "incls/_precompiled.incl" |
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#include "incls/_ciSymbol.cpp.incl" |
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// ------------------------------------------------------------------ |
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// ciSymbol::ciSymbol |
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// |
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// Preallocated handle variant. Used with handles from vmSymboHandles. |
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ciSymbol::ciSymbol(symbolHandle h_s, vmSymbols::SID sid) |
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: ciObject(h_s), _sid(sid) |
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{ |
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assert(sid_ok(), "must be in vmSymbols"); |
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} |
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// Normal case for non-famous symbols. |
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ciSymbol::ciSymbol(symbolOop s) |
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: ciObject(s), _sid(vmSymbols::NO_SID) |
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{ |
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assert(sid_ok(), "must not be in vmSymbols"); |
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} |
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// ciSymbol |
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// |
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// This class represents a symbolOop in the HotSpot virtual |
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// machine. |
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// ------------------------------------------------------------------ |
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// ciSymbol::as_utf8 |
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// |
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// The text of the symbol as a null-terminated C string. |
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const char* ciSymbol::as_utf8() { |
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VM_QUICK_ENTRY_MARK; |
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symbolOop s = get_symbolOop(); |
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return s->as_utf8(); |
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} |
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// ------------------------------------------------------------------ |
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// ciSymbol::base |
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jbyte* ciSymbol::base() { |
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GUARDED_VM_ENTRY(return get_symbolOop()->base();) |
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} |
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// ------------------------------------------------------------------ |
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// ciSymbol::byte_at |
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int ciSymbol::byte_at(int i) { |
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GUARDED_VM_ENTRY(return get_symbolOop()->byte_at(i);) |
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} |
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// ------------------------------------------------------------------ |
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// ciSymbol::starts_with |
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// |
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// Tests if the symbol starts with the given prefix. |
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bool ciSymbol::starts_with(const char* prefix, int len) const { |
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GUARDED_VM_ENTRY(return get_symbolOop()->starts_with(prefix, len);) |
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} |
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// ------------------------------------------------------------------ |
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// ciSymbol::index_of |
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// |
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// Determines where the symbol contains the given substring. |
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int ciSymbol::index_of_at(int i, const char* str, int len) const { |
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GUARDED_VM_ENTRY(return get_symbolOop()->index_of_at(i, str, len);) |
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} |
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// ------------------------------------------------------------------ |
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// ciSymbol::utf8_length |
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int ciSymbol::utf8_length() { |
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GUARDED_VM_ENTRY(return get_symbolOop()->utf8_length();) |
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} |
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// ------------------------------------------------------------------ |
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// ciSymbol::print_impl |
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// |
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// Implementation of the print method |
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void ciSymbol::print_impl(outputStream* st) { |
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st->print(" value="); |
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print_symbol_on(st); |
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} |
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// ------------------------------------------------------------------ |
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// ciSymbol::print_symbol_on |
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// |
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// Print the value of this symbol on an outputStream |
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void ciSymbol::print_symbol_on(outputStream *st) { |
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GUARDED_VM_ENTRY(get_symbolOop()->print_symbol_on(st);) |
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} |
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// ------------------------------------------------------------------ |
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// ciSymbol::make_impl |
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// |
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// Make a ciSymbol from a C string (implementation). |
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ciSymbol* ciSymbol::make_impl(const char* s) { |
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EXCEPTION_CONTEXT; |
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// For some reason, oopFactory::new_symbol doesn't declare its |
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// char* argument as const. |
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symbolOop sym = oopFactory::new_symbol((char*)s, (int)strlen(s), THREAD); |
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if (HAS_PENDING_EXCEPTION) { |
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CLEAR_PENDING_EXCEPTION; |
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CURRENT_THREAD_ENV->record_out_of_memory_failure(); |
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return ciEnv::_unloaded_cisymbol; |
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} |
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return CURRENT_THREAD_ENV->get_object(sym)->as_symbol(); |
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} |
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// ------------------------------------------------------------------ |
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// ciSymbol::make |
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// |
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// Make a ciSymbol from a C string. |
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ciSymbol* ciSymbol::make(const char* s) { |
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GUARDED_VM_ENTRY(return make_impl(s);) |
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} |