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author	Serhiy Storchaka <storchaka@gmail.com>	2015-05-18 15:33:31 (GMT)
committer	Serhiy Storchaka <storchaka@gmail.com>	2015-05-18 15:33:31 (GMT)
commit	a2c145c2f3def66a39295422a3d99b0b357978d5 (patch)
tree	253eb48a4404eff9c45dec6c9f2930f10d13b395 /Objects/namespaceobject.c
parent	c0937f79ec12fb46938416004fd1fd002ae75a12 (diff)
parent	5bf3120e244575189cb7090a0fb6026036f1f979 (diff)
download	cpython-a2c145c2f3def66a39295422a3d99b0b357978d5.zip cpython-a2c145c2f3def66a39295422a3d99b0b357978d5.tar.gz cpython-a2c145c2f3def66a39295422a3d99b0b357978d5.tar.bz2

Issue #24091: Fixed various crashes in corner cases in C implementation of

ElementTree.

Diffstat (limited to 'Objects/namespaceobject.c')

0 files changed, 0 insertions, 0 deletions

/* * Copyright (C) 1999-2002 Harri Porten (porten@kde.org) * Copyright (C) 2001 Peter Kelly (pmk@post.com) * Copyright (C) 2004, 2007, 2008 Apple Inc. All rights reserved. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library 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 * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public License * along with this library; see the file COPYING.LIB. If not, write to * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * Boston, MA 02110-1301, USA. * */ #include "config.h" #include "JSString.h" #include "JSGlobalObject.h" #include "JSObject.h" #include "StringObject.h" #include "StringPrototype.h" namespace JSC { JSValue JSString::toPrimitive(ExecState*, PreferredPrimitiveType) const { return const_cast<JSString*>(this); } bool JSString::getPrimitiveNumber(ExecState*, double& number, JSValue& value) { value = this; number = m_value.toDouble(); return false; } bool JSString::toBoolean(ExecState*) const { return !m_value.isEmpty(); } double JSString::toNumber(ExecState*) const { return m_value.toDouble(); } UString JSString::toString(ExecState*) const { return m_value; } UString JSString::toThisString(ExecState*) const { return m_value; } JSString* JSString::toThisJSString(ExecState*) { return this; } inline StringObject* StringObject::create(ExecState* exec, JSString* string) { return new (exec) StringObject(exec->lexicalGlobalObject()->stringObjectStructure(), string); } JSObject* JSString::toObject(ExecState* exec) const { return StringObject::create(exec, const_cast<JSString*>(this)); } JSObject* JSString::toThisObject(ExecState* exec) const { return StringObject::create(exec, const_cast<JSString*>(this)); } bool JSString::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot) { // The semantics here are really getPropertySlot, not getOwnPropertySlot. // This function should only be called by JSValue::get. if (getStringPropertySlot(exec, propertyName, slot)) return true; if (propertyName == exec->propertyNames().underscoreProto) { slot.setValue(exec->lexicalGlobalObject()->stringPrototype()); return true; } slot.setBase(this); JSObject* object; for (JSValue prototype = exec->lexicalGlobalObject()->stringPrototype(); !prototype.isNull(); prototype = object->prototype()) { object = asObject(prototype); if (object->getOwnPropertySlot(exec, propertyName, slot)) return true; } slot.setUndefined(); return true; } bool JSString::getOwnPropertySlot(ExecState* exec, unsigned propertyName, PropertySlot& slot) { // The semantics here are really getPropertySlot, not getOwnPropertySlot. // This function should only be called by JSValue::get. if (getStringPropertySlot(exec, propertyName, slot)) return true; return JSString::getOwnPropertySlot(exec, Identifier::from(exec, propertyName), slot); } JSString* jsString(JSGlobalData* globalData, const UString& s) { int size = s.size(); if (!size) return globalData->smallStrings.emptyString(globalData); if (size == 1) { UChar c = s.data()[0]; if (c <= 0xFF) return globalData->smallStrings.singleCharacterString(globalData, c); } return new (globalData) JSString(globalData, s); } JSString* jsSubstring(JSGlobalData* globalData, const UString& s, unsigned offset, unsigned length) { ASSERT(offset <= static_cast<unsigned>(s.size())); ASSERT(length <= static_cast<unsigned>(s.size())); ASSERT(offset + length <= static_cast<unsigned>(s.size())); if (!length) return globalData->smallStrings.emptyString(globalData); if (length == 1) { UChar c = s.data()[offset]; if (c <= 0xFF) return globalData->smallStrings.singleCharacterString(globalData, c); } return new (globalData) JSString(globalData, UString::Rep::create(s.rep(), offset, length)); } JSString* jsOwnedString(JSGlobalData* globalData, const UString& s) { int size = s.size(); if (!size) return globalData->smallStrings.emptyString(globalData); if (size == 1) { UChar c = s.data()[0]; if (c <= 0xFF) return globalData->smallStrings.singleCharacterString(globalData, c); } return new (globalData) JSString(globalData, s, JSString::HasOtherOwner); } } // namespace JSC


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