Web Inspector: InspectorValues should use references for out parameters
https://bugs.webkit.org/show_bug.cgi?id=137190

Reviewed by Joseph Pecoraro.

Source/JavaScriptCore:

Use references for out parameters in asType() and getType() methods.
Also convert to references in some miscellaneous code where we don't
expect or handle null values.

Remove variants of asObject() and asArray() that return a nullable RefPtr.
Now, client code is forced to use out parameters and check for cast failure.

Iron out control flow in some functions and fix some style issues.

* inspector/InjectedScript.cpp:
(Inspector::InjectedScript::getFunctionDetails):
(Inspector::InjectedScript::wrapObject):
(Inspector::InjectedScript::wrapTable):
* inspector/InjectedScriptBase.cpp:
(Inspector::InjectedScriptBase::makeEvalCall):
* inspector/InjectedScriptManager.cpp:
(Inspector::InjectedScriptManager::injectedScriptForObjectId): Simplify control flow.
* inspector/InspectorBackendDispatcher.cpp:
(Inspector::InspectorBackendDispatcher::dispatch):
(Inspector::getPropertyValue):
(Inspector::AsMethodBridges::asInteger):
(Inspector::AsMethodBridges::asDouble):
(Inspector::AsMethodBridges::asString):
(Inspector::AsMethodBridges::asBoolean):
(Inspector::AsMethodBridges::asObject):
(Inspector::AsMethodBridges::asArray):
* inspector/InspectorProtocolTypes.h:
(Inspector::Protocol::BindingTraits<Protocol::Array<T>>::runtimeCast):
(Inspector::Protocol::BindingTraits<Protocol::Array<T>>::assertValueHasExpectedType):
* inspector/InspectorValues.cpp: Use more by-reference out parameters. Add more spacing.
(Inspector::InspectorValue::asBoolean):
(Inspector::InspectorValue::asDouble):
(Inspector::InspectorValue::asInteger):
(Inspector::InspectorValue::asString):
(Inspector::InspectorValue::asValue):
(Inspector::InspectorValue::asObject):
(Inspector::InspectorValue::asArray):
(Inspector::InspectorValue::parseJSON):
(Inspector::InspectorValue::toJSONString):
(Inspector::InspectorValue::writeJSON):
(Inspector::InspectorBasicValue::asBoolean):
(Inspector::InspectorBasicValue::asDouble):
(Inspector::InspectorBasicValue::asInteger):
(Inspector::InspectorBasicValue::writeJSON):
(Inspector::InspectorString::asString):
(Inspector::InspectorString::writeJSON):
(Inspector::InspectorObjectBase::asObject):
(Inspector::InspectorObjectBase::openAccessors):
(Inspector::InspectorObjectBase::getBoolean):
(Inspector::InspectorObjectBase::getString):
(Inspector::InspectorObjectBase::getObject):
(Inspector::InspectorObjectBase::getArray):
(Inspector::InspectorObjectBase::writeJSON):
(Inspector::InspectorArrayBase::asArray):
(Inspector::InspectorArrayBase::writeJSON):
* inspector/InspectorValues.h:
* inspector/agents/InspectorDebuggerAgent.cpp:
(Inspector::InspectorDebuggerAgent::breakpointActionsFromProtocol):
(Inspector::InspectorDebuggerAgent::setBreakpointByUrl):
(Inspector::parseLocation):
(Inspector::InspectorDebuggerAgent::setBreakpoint):
(Inspector::InspectorDebuggerAgent::continueToLocation):
(Inspector::InspectorDebuggerAgent::didParseSource):
* inspector/agents/InspectorRuntimeAgent.cpp:
(Inspector::InspectorRuntimeAgent::getRuntimeTypesForVariablesAtOffsets):
* inspector/scripts/codegen/generate_protocol_types_implementation.py:
(ProtocolTypesImplementationGenerator):
(ProtocolTypesImplementationGenerator._generate_assertion_for_enum):
* inspector/scripts/codegen/generator_templates.py:
* inspector/scripts/tests/expected/type-requiring-runtime-casts.json-result:
* replay/EncodedValue.cpp:
(JSC::EncodedValue::asObject):
(JSC::EncodedValue::asArray):
(JSC::EncodedValue::convertTo<bool>):
(JSC::EncodedValue::convertTo<double>):
(JSC::EncodedValue::convertTo<float>):
(JSC::EncodedValue::convertTo<int32_t>):
(JSC::EncodedValue::convertTo<int64_t>):
(JSC::EncodedValue::convertTo<uint32_t>):
(JSC::EncodedValue::convertTo<uint64_t>):
(JSC::EncodedValue::convertTo<String>):

Source/WebCore:

Clean up some call sites to explicitly check for cast success, and simplify
some exceptional control flows.

No new tests, no behavior changed.

* inspector/CommandLineAPIHost.cpp:
(WebCore::CommandLineAPIHost::inspectImpl):
* inspector/InspectorCSSAgent.cpp:
(WebCore::computePseudoClassMask):
* inspector/InspectorDOMAgent.cpp:
(WebCore::parseColor):
(WebCore::parseConfigColor):
(WebCore::parseQuad):
(WebCore::InspectorDOMAgent::performSearch):
(WebCore::InspectorDOMAgent::highlightConfigFromInspectorObject):
(WebCore::InspectorDOMAgent::innerHighlightQuad):
(WebCore::InspectorDOMAgent::highlightFrame):
* inspector/InspectorDOMStorageAgent.cpp:
(WebCore::InspectorDOMStorageAgent::findStorageArea):
* inspector/InspectorIndexedDBAgent.cpp: Use NeverDestroyed instead of DEPRECATED_DEFINE_STATIC_LOCAL.
* inspector/InspectorPageAgent.cpp:
(WebCore::InspectorPageAgent::didClearWindowObjectInWorld):
* inspector/InspectorReplayAgent.cpp:
(WebCore::InspectorReplayAgent::replayToPosition):
* inspector/InspectorResourceAgent.cpp:
(WebCore::InspectorResourceAgent::willSendRequest):
* inspector/InspectorStyleSheet.cpp:
(WebCore::InspectorStyle::styleWithProperties):
* inspector/InspectorStyleSheet.h:
(WebCore::InspectorCSSId::InspectorCSSId):
* inspector/InspectorTimelineAgent.cpp:
(WebCore::InspectorTimelineAgent::startFromConsole):
(WebCore::InspectorTimelineAgent::stopFromConsole):
* inspector/InspectorWorkerAgent.cpp:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@174094 268f45cc-cd09-0410-ab3c-d52691b4dbfc
27 files changed