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authorLorry Tar Creator <lorry-tar-importer@lorry>2017-06-27 06:07:23 +0000
committerLorry Tar Creator <lorry-tar-importer@lorry>2017-06-27 06:07:23 +0000
commit1bf1084f2b10c3b47fd1a588d85d21ed0eb41d0c (patch)
tree46dcd36c86e7fbc6e5df36deb463b33e9967a6f7 /Source/WebCore/bindings/js/JSDOMBinding.cpp
parent32761a6cee1d0dee366b885b7b9c777e67885688 (diff)
downloadWebKitGtk-tarball-master.tar.gz
Diffstat (limited to 'Source/WebCore/bindings/js/JSDOMBinding.cpp')
-rw-r--r--Source/WebCore/bindings/js/JSDOMBinding.cpp536
1 files changed, 0 insertions, 536 deletions
diff --git a/Source/WebCore/bindings/js/JSDOMBinding.cpp b/Source/WebCore/bindings/js/JSDOMBinding.cpp
deleted file mode 100644
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--- a/Source/WebCore/bindings/js/JSDOMBinding.cpp
+++ /dev/null
@@ -1,536 +0,0 @@
-/*
- * Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
- * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2013 Apple Inc. All rights reserved.
- * Copyright (C) 2007 Samuel Weinig <sam@webkit.org>
- * Copyright (C) 2013 Michael Pruett <michael@68k.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "config.h"
-#include "JSDOMBinding.h"
-
-#include "CachedScript.h"
-#include "DOMConstructorWithDocument.h"
-#include "DOMObjectHashTableMap.h"
-#include "DOMStringList.h"
-#include "ExceptionCode.h"
-#include "ExceptionHeaders.h"
-#include "ExceptionInterfaces.h"
-#include "Frame.h"
-#include "HTMLParserIdioms.h"
-#include "JSDOMWindowCustom.h"
-#include "JSExceptionBase.h"
-#include "SecurityOrigin.h"
-#include "ScriptCallStack.h"
-#include "ScriptCallStackFactory.h"
-#include <interpreter/Interpreter.h>
-#include <runtime/DateInstance.h>
-#include <runtime/Error.h>
-#include <runtime/ExceptionHelpers.h>
-#include <runtime/JSFunction.h>
-#include <wtf/MathExtras.h>
-
-using namespace JSC;
-
-namespace WebCore {
-
-STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(DOMConstructorObject);
-STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(DOMConstructorWithDocument);
-
-void addImpureProperty(const AtomicString& propertyName)
-{
- JSDOMWindow::commonVM()->addImpureProperty(propertyName);
-}
-
-const JSC::HashTable& getHashTableForGlobalData(VM& vm, const JSC::HashTable& staticTable)
-{
- return DOMObjectHashTableMap::mapFor(vm).get(staticTable);
-}
-
-JSValue jsStringOrNull(ExecState* exec, const String& s)
-{
- if (s.isNull())
- return jsNull();
- return jsStringWithCache(exec, s);
-}
-
-JSValue jsOwnedStringOrNull(ExecState* exec, const String& s)
-{
- if (s.isNull())
- return jsNull();
- return jsOwnedString(exec, s);
-}
-
-JSValue jsStringOrUndefined(ExecState* exec, const String& s)
-{
- if (s.isNull())
- return jsUndefined();
- return jsStringWithCache(exec, s);
-}
-
-JSValue jsString(ExecState* exec, const URL& url)
-{
- return jsStringWithCache(exec, url.string());
-}
-
-JSValue jsStringOrNull(ExecState* exec, const URL& url)
-{
- if (url.isNull())
- return jsNull();
- return jsStringWithCache(exec, url.string());
-}
-
-JSValue jsStringOrUndefined(ExecState* exec, const URL& url)
-{
- if (url.isNull())
- return jsUndefined();
- return jsStringWithCache(exec, url.string());
-}
-
-AtomicStringImpl* findAtomicString(PropertyName propertyName)
-{
- StringImpl* impl = propertyName.publicName();
- if (!impl)
- return 0;
- ASSERT(impl->existingHash());
- return AtomicString::find(impl);
-}
-
-String valueToStringWithNullCheck(ExecState* exec, JSValue value)
-{
- if (value.isNull())
- return String();
- return value.toString(exec)->value(exec);
-}
-
-String valueToStringWithUndefinedOrNullCheck(ExecState* exec, JSValue value)
-{
- if (value.isUndefinedOrNull())
- return String();
- return value.toString(exec)->value(exec);
-}
-
-JSValue jsDateOrNull(ExecState* exec, double value)
-{
- if (!std::isfinite(value))
- return jsNull();
- return DateInstance::create(exec->vm(), exec->lexicalGlobalObject()->dateStructure(), value);
-}
-
-double valueToDate(ExecState* exec, JSValue value)
-{
- if (value.isNumber())
- return value.asNumber();
- if (!value.inherits(DateInstance::info()))
- return std::numeric_limits<double>::quiet_NaN();
- return static_cast<DateInstance*>(value.toObject(exec))->internalNumber();
-}
-
-JSC::JSValue jsArray(JSC::ExecState* exec, JSDOMGlobalObject* globalObject, PassRefPtr<DOMStringList> stringList)
-{
- JSC::MarkedArgumentBuffer list;
- if (stringList) {
- for (unsigned i = 0; i < stringList->length(); ++i)
- list.append(jsStringWithCache(exec, stringList->item(i)));
- }
- return JSC::constructArray(exec, 0, globalObject, list);
-}
-
-void reportException(ExecState* exec, JSValue exception, CachedScript* cachedScript)
-{
- if (isTerminatedExecutionException(exception))
- return;
-
- Interpreter::ErrorHandlingMode mode(exec);
-
- RefPtr<ScriptCallStack> callStack(createScriptCallStackFromException(exec, exception, ScriptCallStack::maxCallStackSizeToCapture));
- exec->clearException();
- exec->clearSupplementaryExceptionInfo();
-
- JSDOMGlobalObject* globalObject = jsCast<JSDOMGlobalObject*>(exec->lexicalGlobalObject());
- if (JSDOMWindow* window = jsDynamicCast<JSDOMWindow*>(globalObject)) {
- if (!window->impl().isCurrentlyDisplayedInFrame())
- return;
- }
-
- int lineNumber = 0;
- int columnNumber = 0;
- String exceptionSourceURL;
- if (callStack->size()) {
- const ScriptCallFrame& frame = callStack->at(0);
- lineNumber = frame.lineNumber();
- columnNumber = frame.columnNumber();
- exceptionSourceURL = frame.sourceURL();
- } else {
- // There may not be an exceptionStack for a <script> SyntaxError. Fallback to getting at least the line and sourceURL from the exception.
- JSObject* exceptionObject = exception.toObject(exec);
- JSValue lineValue = exceptionObject->getDirect(exec->vm(), Identifier(exec, "line"));
- lineNumber = lineValue && lineValue.isNumber() ? int(lineValue.toNumber(exec)) : 0;
- JSValue columnValue = exceptionObject->getDirect(exec->vm(), Identifier(exec, "column"));
- columnNumber = columnValue && columnValue.isNumber() ? int(columnValue.toNumber(exec)) : 0;
- JSValue sourceURLValue = exceptionObject->getDirect(exec->vm(), Identifier(exec, "sourceURL"));
- exceptionSourceURL = sourceURLValue && sourceURLValue.isString() ? sourceURLValue.toString(exec)->value(exec) : ASCIILiteral("undefined");
- }
-
- String errorMessage;
- if (ExceptionBase* exceptionBase = toExceptionBase(exception))
- errorMessage = exceptionBase->message() + ": " + exceptionBase->description();
- else {
- // FIXME: <http://webkit.org/b/115087> Web Inspector: WebCore::reportException should not evaluate JavaScript handling exceptions
- // If this is a custon exception object, call toString on it to try and get a nice string representation for the exception.
- errorMessage = exception.toString(exec)->value(exec);
- exec->clearException();
- exec->clearSupplementaryExceptionInfo();
- }
-
- ScriptExecutionContext* scriptExecutionContext = globalObject->scriptExecutionContext();
- scriptExecutionContext->reportException(errorMessage, lineNumber, columnNumber, exceptionSourceURL, callStack->size() ? callStack : 0, cachedScript);
-}
-
-void reportCurrentException(ExecState* exec)
-{
- JSValue exception = exec->exception();
- exec->clearException();
- reportException(exec, exception);
-}
-
-#define TRY_TO_CREATE_EXCEPTION(interfaceName) \
- case interfaceName##Type: \
- errorObject = toJS(exec, globalObject, interfaceName::create(description)); \
- break;
-
-void setDOMException(ExecState* exec, ExceptionCode ec)
-{
- if (!ec || exec->hadException())
- return;
-
- // FIXME: Handle other WebIDL exception types.
- if (ec == TypeError) {
- throwTypeError(exec);
- return;
- }
-
- // FIXME: All callers to setDOMException need to pass in the right global object
- // for now, we're going to assume the lexicalGlobalObject. Which is wrong in cases like this:
- // frames[0].document.createElement(null, null); // throws an exception which should have the subframes prototypes.
- JSDOMGlobalObject* globalObject = deprecatedGlobalObjectForPrototype(exec);
-
- ExceptionCodeDescription description(ec);
-
- JSValue errorObject;
- switch (description.type) {
- DOM_EXCEPTION_INTERFACES_FOR_EACH(TRY_TO_CREATE_EXCEPTION)
- }
-
- ASSERT(errorObject);
- exec->vm().throwException(exec, errorObject);
-}
-
-#undef TRY_TO_CREATE_EXCEPTION
-
-bool shouldAllowAccessToNode(ExecState* exec, Node* node)
-{
- return BindingSecurity::shouldAllowAccessToNode(exec, node);
-}
-
-bool shouldAllowAccessToFrame(ExecState* exec, Frame* target)
-{
- return BindingSecurity::shouldAllowAccessToFrame(exec, target);
-}
-
-bool shouldAllowAccessToFrame(ExecState* exec, Frame* frame, String& message)
-{
- if (!frame)
- return false;
- if (BindingSecurity::shouldAllowAccessToFrame(exec, frame, DoNotReportSecurityError))
- return true;
- message = frame->document()->domWindow()->crossDomainAccessErrorMessage(activeDOMWindow(exec));
- return false;
-}
-
-bool shouldAllowAccessToDOMWindow(ExecState* exec, DOMWindow& target, String& message)
-{
- if (BindingSecurity::shouldAllowAccessToDOMWindow(exec, target, DoNotReportSecurityError))
- return true;
- message = target.crossDomainAccessErrorMessage(activeDOMWindow(exec));
- return false;
-}
-
-void printErrorMessageForFrame(Frame* frame, const String& message)
-{
- if (!frame)
- return;
- frame->document()->domWindow()->printErrorMessage(message);
-}
-
-EncodedJSValue objectToStringFunctionGetter(ExecState* exec, EncodedJSValue, EncodedJSValue, PropertyName propertyName)
-{
- return JSValue::encode(JSFunction::create(exec->vm(), exec->lexicalGlobalObject(), 0, propertyName.publicName(), objectProtoFuncToString));
-}
-
-Structure* getCachedDOMStructure(JSDOMGlobalObject* globalObject, const ClassInfo* classInfo)
-{
- JSDOMStructureMap& structures = globalObject->structures();
- return structures.get(classInfo).get();
-}
-
-Structure* cacheDOMStructure(JSDOMGlobalObject* globalObject, Structure* structure, const ClassInfo* classInfo)
-{
- JSDOMStructureMap& structures = globalObject->structures();
- ASSERT(!structures.contains(classInfo));
- return structures.set(classInfo, WriteBarrier<Structure>(globalObject->vm(), globalObject, structure)).iterator->value.get();
-}
-
-static const int32_t kMaxInt32 = 0x7fffffff;
-static const int32_t kMinInt32 = -kMaxInt32 - 1;
-static const uint32_t kMaxUInt32 = 0xffffffffU;
-static const int64_t kJSMaxInteger = 0x20000000000000LL - 1; // 2^53 - 1, largest integer exactly representable in ECMAScript.
-
-static double enforceRange(ExecState* exec, double x, double minimum, double maximum)
-{
- if (std::isnan(x) || std::isinf(x)) {
- throwTypeError(exec);
- return 0;
- }
- x = trunc(x);
- if (x < minimum || x > maximum) {
- throwTypeError(exec);
- return 0;
- }
- return x;
-}
-
-template <typename T>
-struct IntTypeLimits {
-};
-
-template <>
-struct IntTypeLimits<int8_t> {
- static const int8_t minValue = -128;
- static const int8_t maxValue = 127;
- static const unsigned numberOfValues = 256; // 2^8
-};
-
-template <>
-struct IntTypeLimits<uint8_t> {
- static const uint8_t maxValue = 255;
- static const unsigned numberOfValues = 256; // 2^8
-};
-
-template <>
-struct IntTypeLimits<int16_t> {
- static const short minValue = -32768;
- static const short maxValue = 32767;
- static const unsigned numberOfValues = 65536; // 2^16
-};
-
-template <>
-struct IntTypeLimits<uint16_t> {
- static const unsigned short maxValue = 65535;
- static const unsigned numberOfValues = 65536; // 2^16
-};
-
-template <typename T>
-static inline T toSmallerInt(ExecState* exec, JSValue value, IntegerConversionConfiguration configuration)
-{
- typedef IntTypeLimits<T> LimitsTrait;
- // Fast path if the value is already a 32-bit signed integer in the right range.
- if (value.isInt32()) {
- int32_t d = value.asInt32();
- if (d >= LimitsTrait::minValue && d <= LimitsTrait::maxValue)
- return static_cast<T>(d);
- if (configuration == EnforceRange) {
- throwTypeError(exec);
- return 0;
- }
- d %= LimitsTrait::numberOfValues;
- return static_cast<T>(d > LimitsTrait::maxValue ? d - LimitsTrait::numberOfValues : d);
- }
-
- double x = value.toNumber(exec);
- if (exec->hadException())
- return 0;
-
- if (configuration == EnforceRange)
- return enforceRange(exec, x, LimitsTrait::minValue, LimitsTrait::maxValue);
-
- if (std::isnan(x) || std::isinf(x) || !x)
- return 0;
-
- x = x < 0 ? -floor(fabs(x)) : floor(fabs(x));
- x = fmod(x, LimitsTrait::numberOfValues);
-
- return static_cast<T>(x > LimitsTrait::maxValue ? x - LimitsTrait::numberOfValues : x);
-}
-
-template <typename T>
-static inline T toSmallerUInt(ExecState* exec, JSValue value, IntegerConversionConfiguration configuration)
-{
- typedef IntTypeLimits<T> LimitsTrait;
- // Fast path if the value is already a 32-bit unsigned integer in the right range.
- if (value.isUInt32()) {
- uint32_t d = value.asUInt32();
- if (d <= LimitsTrait::maxValue)
- return static_cast<T>(d);
- if (configuration == EnforceRange) {
- throwTypeError(exec);
- return 0;
- }
- return static_cast<T>(d);
- }
-
- double x = value.toNumber(exec);
- if (exec->hadException())
- return 0;
-
- if (configuration == EnforceRange)
- return enforceRange(exec, x, 0, LimitsTrait::maxValue);
-
- if (std::isnan(x) || std::isinf(x) || !x)
- return 0;
-
- x = x < 0 ? -floor(fabs(x)) : floor(fabs(x));
- return static_cast<T>(fmod(x, LimitsTrait::numberOfValues));
-}
-
-// http://www.w3.org/TR/WebIDL/#es-byte
-int8_t toInt8(ExecState* exec, JSValue value, IntegerConversionConfiguration configuration)
-{
- return toSmallerInt<int8_t>(exec, value, configuration);
-}
-
-// http://www.w3.org/TR/WebIDL/#es-octet
-uint8_t toUInt8(ExecState* exec, JSValue value, IntegerConversionConfiguration configuration)
-{
- return toSmallerUInt<uint8_t>(exec, value, configuration);
-}
-
-// http://www.w3.org/TR/WebIDL/#es-short
-int16_t toInt16(ExecState* exec, JSValue value, IntegerConversionConfiguration configuration)
-{
- return toSmallerInt<int16_t>(exec, value, configuration);
-}
-
-// http://www.w3.org/TR/WebIDL/#es-unsigned-short
-uint16_t toUInt16(ExecState* exec, JSValue value, IntegerConversionConfiguration configuration)
-{
- return toSmallerUInt<uint16_t>(exec, value, configuration);
-}
-
-// http://www.w3.org/TR/WebIDL/#es-long
-int32_t toInt32EnforceRange(ExecState* exec, JSValue value)
-{
- if (value.isInt32())
- return value.asInt32();
-
- double x = value.toNumber(exec);
- if (exec->hadException())
- return 0;
- return enforceRange(exec, x, kMinInt32, kMaxInt32);
-}
-
-// http://www.w3.org/TR/WebIDL/#es-unsigned-long
-uint32_t toUInt32EnforceRange(ExecState* exec, JSValue value)
-{
- if (value.isUInt32())
- return value.asUInt32();
-
- double x = value.toNumber(exec);
- if (exec->hadException())
- return 0;
- return enforceRange(exec, x, 0, kMaxUInt32);
-}
-
-// http://www.w3.org/TR/WebIDL/#es-long-long
-int64_t toInt64(ExecState* exec, JSValue value, IntegerConversionConfiguration configuration)
-{
- if (value.isInt32())
- return value.asInt32();
-
- double x = value.toNumber(exec);
- if (exec->hadException())
- return 0;
-
- if (configuration == EnforceRange)
- return enforceRange(exec, x, -kJSMaxInteger, kJSMaxInteger);
-
- // Map NaNs and +/-Infinity to 0; convert finite values modulo 2^64.
- unsigned long long n;
- doubleToInteger(x, n);
- return n;
-}
-
-// http://www.w3.org/TR/WebIDL/#es-unsigned-long-long
-uint64_t toUInt64(ExecState* exec, JSValue value, IntegerConversionConfiguration configuration)
-{
- if (value.isUInt32())
- return value.asUInt32();
-
- double x = value.toNumber(exec);
- if (exec->hadException())
- return 0;
-
- if (configuration == EnforceRange)
- return enforceRange(exec, x, 0, kJSMaxInteger);
-
- // Map NaNs and +/-Infinity to 0; convert finite values modulo 2^64.
- unsigned long long n;
- doubleToInteger(x, n);
- return n;
-}
-
-DOMWindow& activeDOMWindow(ExecState* exec)
-{
- return asJSDOMWindow(exec->lexicalGlobalObject())->impl();
-}
-
-DOMWindow& firstDOMWindow(ExecState* exec)
-{
- return asJSDOMWindow(exec->vmEntryGlobalObject())->impl();
-}
-
-static inline bool canAccessDocument(JSC::ExecState* state, Document* targetDocument, SecurityReportingOption reportingOption = ReportSecurityError)
-{
- if (!targetDocument)
- return false;
-
- DOMWindow& active = activeDOMWindow(state);
-
- if (active.document()->securityOrigin()->canAccess(targetDocument->securityOrigin()))
- return true;
-
- if (reportingOption == ReportSecurityError)
- printErrorMessageForFrame(targetDocument->frame(), targetDocument->domWindow()->crossDomainAccessErrorMessage(active));
-
- return false;
-}
-
-bool BindingSecurity::shouldAllowAccessToDOMWindow(JSC::ExecState* state, DOMWindow& target, SecurityReportingOption reportingOption)
-{
- return canAccessDocument(state, target.document(), reportingOption);
-}
-
-bool BindingSecurity::shouldAllowAccessToFrame(JSC::ExecState* state, Frame* target, SecurityReportingOption reportingOption)
-{
- return target && canAccessDocument(state, target->document(), reportingOption);
-}
-
-bool BindingSecurity::shouldAllowAccessToNode(JSC::ExecState* state, Node* target)
-{
- return target && canAccessDocument(state, &target->document());
-}
-
-} // namespace WebCore