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Unified Diff: sky/engine/bindings-dart/core/dart/DartHandleProxy.cpp

Issue 918273002: Remove bindings-dart (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 5 years, 10 months ago
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Index: sky/engine/bindings-dart/core/dart/DartHandleProxy.cpp
diff --git a/sky/engine/bindings-dart/core/dart/DartHandleProxy.cpp b/sky/engine/bindings-dart/core/dart/DartHandleProxy.cpp
deleted file mode 100644
index b157c603916d02895b71ad6fdc3c58e68369e037..0000000000000000000000000000000000000000
--- a/sky/engine/bindings-dart/core/dart/DartHandleProxy.cpp
+++ /dev/null
@@ -1,1248 +0,0 @@
-/*
- * Copyright (C) 2012 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-#include "config.h"
-#include "bindings/core/dart/DartHandleProxy.h"
-
-#include "bindings/core/dart/DartJsInterop.h"
-#include "bindings/core/dart/DartNode.h"
-#include "bindings/core/dart/DartPersistentValue.h"
-#include "bindings/core/dart/DartScriptState.h"
-#include "bindings/core/dart/V8Converter.h"
-#include "bindings/core/v8/PageScriptDebugServer.h"
-#include "bindings/core/v8/ScriptController.h"
-#include "bindings/core/v8/V8Binding.h"
-#include "bindings/core/v8/V8ScriptRunner.h"
-#include "bindings/core/v8/V8ThrowException.h"
-
-#include "wtf/StdLibExtras.h"
-
-namespace blink {
-
-struct DartHandleProxy::CallbackData {
- ScopedPersistent<v8::Object> handle;
- DartPersistentValue* value;
-};
-
-typedef HashMap<String, v8::Persistent<v8::FunctionTemplate>* > FunctionTemplateMap;
-
-static v8::Local<v8::FunctionTemplate> objectProxyTemplate(Dart_Handle instance);
-static v8::Local<v8::FunctionTemplate> functionProxyTemplate();
-static v8::Local<v8::FunctionTemplate> libraryProxyTemplate(v8::Handle<v8::String> libraryNameV8);
-static v8::Local<v8::FunctionTemplate> typeProxyTemplate(Dart_Handle type);
-static v8::Local<v8::FunctionTemplate> frameProxyTemplate();
-
-DartPersistentValue* DartHandleProxy::readPointerFromProxy(v8::Handle<v8::Value> proxy)
-{
- void* pointer = proxy.As<v8::Object>()->GetAlignedPointerFromInternalField(0);
- return static_cast<DartPersistentValue*>(pointer);
-}
-
-bool DartHandleProxy::isDartProxy(v8::Handle<v8::Value> value)
-{
- if (!value.IsEmpty() && value->IsObject()) {
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- v8::Local<v8::Value> hiddenValue = value.As<v8::Object>()->GetHiddenValue(v8::String::NewFromUtf8(v8Isolate, "dartProxy"));
- return *hiddenValue && hiddenValue->IsBoolean();
- }
- return false;
-}
-
-bool isGlobalObjectProxy(v8::Handle<v8::Object> value)
-{
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- v8::Local<v8::Value> hiddenValue = value.As<v8::Object>()->GetHiddenValue(v8::String::NewFromUtf8(v8Isolate, "asGlobal"));
- return *hiddenValue && hiddenValue->IsBoolean();
-}
-
-DartScopes::DartScopes(v8::Local<v8::Object> v8Handle, bool disableBreak) :
- scriptValue(DartHandleProxy::readPointerFromProxy(v8Handle)),
- scope(scriptValue->isolate()),
- disableBreak(disableBreak)
-{
- ASSERT(scriptValue->isIsolateAlive());
- handle = scriptValue->value();
- if (disableBreak) {
- previousPauseInfo = Dart_GetExceptionPauseInfo();
- Dart_SetExceptionPauseInfo(kNoPauseOnExceptions);
- }
-}
-
-DartScopes::~DartScopes()
-{
- if (disableBreak) {
- Dart_SetExceptionPauseInfo(previousPauseInfo);
- }
-}
-
-static void weakCallback(const v8::WeakCallbackData<v8::Object, DartHandleProxy::CallbackData >& data)
-{
- DartHandleProxy::CallbackData* callbackData = data.GetParameter();
- callbackData->handle.clear();
- delete callbackData->value;
- delete callbackData;
-}
-
-Dart_Handle DartHandleProxy::unwrapValue(v8::Handle<v8::Value> value)
-{
- if (DartHandleProxy::isDartProxy(value))
- return readPointerFromProxy(value)->value();
-
- Dart_Handle exception = 0;
- Dart_Handle handle = V8Converter::toDart(value, exception);
- ASSERT(!exception);
- return handle;
-}
-
-bool libraryHasMember(Dart_Handle library, Dart_Handle name)
-{
- return !Dart_IsError(Dart_GetField(library, name))
- || !Dart_IsError(Dart_GetType(library, name, 0, 0))
- || Dart_IsFunction(Dart_LookupFunction(library, name));
-}
-
-bool typeHasMember(Dart_Handle type, Dart_Handle name)
-{
- return !Dart_IsError(Dart_GetField(type, name)) || Dart_IsFunction(Dart_LookupFunction(type, name));
-}
-
-Dart_Handle getEncodedMapKeyList(Dart_Handle object)
-{
- return DartUtilities::invokeUtilsMethod("getEncodedMapKeyList", 1, &object);
-}
-
-Dart_Handle stripTrailingDot(Dart_Handle str)
-{
- return DartUtilities::invokeUtilsMethod("stripTrailingDot", 1, &str);
-}
-
-Dart_Handle addTrailingDot(Dart_Handle str)
-{
- return DartUtilities::invokeUtilsMethod("addTrailingDot", 1, &str);
-}
-
-Dart_Handle demangle(Dart_Handle str)
-{
- return DartUtilities::invokeUtilsMethod("demangle", 1, &str);
-}
-
-Dart_Handle lookupValueForEncodedMapKey(Dart_Handle object, Dart_Handle key)
-{
- Dart_Handle args[] = {object, key};
- return DartUtilities::invokeUtilsMethod("lookupValueForEncodedMapKey", 2, args);
-}
-
-Dart_Handle buildConstructorName(Dart_Handle typeName, Dart_Handle constructorName)
-{
- Dart_Handle args[] = {typeName, constructorName};
- return DartUtilities::invokeUtilsMethod("buildConstructorName", 2, args);
-}
-
-Dart_Handle stripClassName(Dart_Handle str, Dart_Handle typeName)
-{
- Dart_Handle args[] = {str, typeName};
- return DartUtilities::invokeUtilsMethod("stripClassName", 2, args);
-}
-
-bool isNoSuchMethodError(Dart_Handle type)
-{
- Dart_Handle exception = 0;
- bool ret = DartUtilities::dartToBool(DartUtilities::invokeUtilsMethod("isNoSuchMethodError", 1, &type), exception);
- ASSERT(!exception);
- return ret;
-}
-
-Dart_Handle createLocalVariablesMap(Dart_Handle localVariablesList)
-{
- return DartUtilities::invokeUtilsMethod("createLocalVariablesMap", 1, &localVariablesList);
-}
-
-Dart_Handle getMapKeyList(Dart_Handle localVariablesMap)
-{
- return DartUtilities::invokeUtilsMethod("getMapKeyList", 1, &localVariablesMap);
-}
-
-bool mapContainsKey(Dart_Handle map, Dart_Handle key)
-{
- Dart_Handle exception = 0;
- return DartUtilities::dartToBool(Dart_Invoke(map, Dart_NewStringFromCString("containsKey"), 1, &key), exception);
-}
-
-void addFunctionNames(Dart_Handle handle, v8::Local<v8::Array>& properties, intptr_t* count, bool isInstance, bool noMethods)
-{
- intptr_t length = 0;
- Dart_Handle functionNames = Dart_GetFunctionNames(handle);
- ASSERT(!Dart_IsError(functionNames));
- bool isLibrary = Dart_IsLibrary(handle);
- Dart_ListLength(functionNames, &length);
- for (intptr_t i = 0; i < length; i++) {
- Dart_Handle functionName = Dart_ListGetAt(functionNames, i);
- Dart_Handle function = Dart_LookupFunction(handle, functionName);
-
- // FIXME: the DartVM doesn't correctly handle invoking properties with
- // private names. For now, skip private function names.
- intptr_t functionNameLength = 0;
- uint8_t* functionNameData;
- Dart_StringToUTF8(functionName, &functionNameData, &functionNameLength);
- if (functionNameLength > 0 && functionNameData[0] == '_')
- continue;
-
- bool isStatic = false;
- Dart_FunctionIsStatic(function, &isStatic);
-
- bool isConstructor = false;
- Dart_FunctionIsConstructor(function, &isConstructor);
-
- if (!isLibrary) {
- if (isInstance == (isStatic || isConstructor))
- continue;
-
- bool isSetter = false;
- Dart_FunctionIsSetter(function, &isSetter);
- bool isGetter = false;
- Dart_FunctionIsGetter(function, &isGetter);
-
- if (noMethods && !isSetter && !isGetter)
- continue;
-
- // Skip setters as any setter we care to enumerate should have a matching getter.
- // Setters without matching getters will still be callable but won't be enumerated.
- if (isSetter)
- continue;
- }
-
- // Strip off the leading typename from constructor name.
- if (isConstructor)
- functionName = stripClassName(functionName, Dart_TypeName(handle));
-
- functionName = demangle(functionName);
- properties->Set(*count, V8Converter::stringToV8(functionName));
- *count = *count + 1;
- }
-}
-
-void addClassNames(Dart_Handle library, v8::Local<v8::Array>& properties, intptr_t* count)
-{
- intptr_t length = 0;
- Dart_Handle typeNames = Dart_LibraryGetClassNames(library);
- ASSERT(!Dart_IsNull(typeNames));
- ASSERT(Dart_IsList(typeNames));
- Dart_ListLength(typeNames, &length);
- for (intptr_t i = 0; i < length; i++) {
- Dart_Handle typeName = Dart_ListGetAt(typeNames, i);
- properties->Set(*count, V8Converter::stringToV8(typeName));
- *count = *count + 1;
- }
-}
-
-void addFieldNames(Dart_Handle fieldNames, v8::Local<v8::Array>& properties, intptr_t* count)
-{
- ASSERT(!Dart_IsApiError(fieldNames));
- ASSERT(Dart_IsList(fieldNames));
- intptr_t length = 0;
- Dart_ListLength(fieldNames, &length);
- for (intptr_t i = 0; i < length; i += 2) {
- Dart_Handle fieldName = Dart_ListGetAt(fieldNames, i);
- properties->Set(*count, V8Converter::stringToV8(demangle(fieldName)));
- *count = *count + 1;
- }
-}
-
-template<typename CallbackInfo>
-void setReturnValue(CallbackInfo info, Dart_Handle result)
-{
- if (Dart_IsError(result)) {
- // FIXME: we would really prefer to call the following however it has
- // bad unintended consequences as then JS cannot catch the thrown exception.
- // DartUtilities::reportProblem(DartUtilities::scriptExecutionContext(), result);
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- V8ThrowException::throwException(v8::String::NewFromUtf8(v8Isolate, Dart_GetError(result)), v8::Isolate::GetCurrent());
- } else {
- v8SetReturnValue(info, DartHandleProxy::create(result));
- }
-}
-
-void DartHandleProxy::writePointerToProxy(v8::Local<v8::Object> proxy, Dart_Handle value)
-{
- ASSERT(!proxy.IsEmpty());
- DartPersistentValue* dartScriptValue = new DartPersistentValue(value);
- proxy->SetAlignedPointerInInternalField(0, dartScriptValue);
- v8::Isolate* isolate = v8::Isolate::GetCurrent();
- v8::Persistent<v8::Object> persistentHandle;
- DartHandleProxy::CallbackData* callbackData = new DartHandleProxy::CallbackData();
- callbackData->value = dartScriptValue;
- callbackData->handle.set(isolate, proxy);
- callbackData->handle.setWeak(callbackData, &weakCallback);
-}
-
-intptr_t getLibraryId(v8::Local<v8::Object> proxy)
-{
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- return (intptr_t)proxy.As<v8::Object>()->GetHiddenValue(v8::String::NewFromUtf8(v8Isolate, "libraryId"))->Int32Value();
-}
-
-// Returns a String of the library prefix or Dart_Null if no prefix is found.
-Dart_Handle getLibraryPrefix(v8::Local<v8::Object> proxy)
-{
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- v8::Local<v8::Value> prefix = proxy.As<v8::Object>()->GetHiddenValue(v8::String::NewFromUtf8(v8Isolate, "prefix"));
- if (*prefix && prefix->IsString())
- return V8Converter::stringToDart(prefix);
- return Dart_Null();
-}
-
-static void functionNamedPropertyGetter(v8::Local<v8::String> name, const v8::PropertyCallbackInfo<v8::Value>& info)
-{
- DartScopes scopes(info.Holder());
- Dart_Handle handle = scopes.handle;
-
- ASSERT(DartUtilities::isFunction(DartDOMData::current(), handle) || Dart_IsFunction(handle));
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- Dart_Handle ret = Dart_Invoke(handle, V8Converter::stringToDart(v8::String::Concat(v8::String::NewFromUtf8(v8Isolate, "get:"), name)), 0, 0);
- if (Dart_IsError(ret) && name->Equals(v8::String::NewFromUtf8(v8Isolate, "__proto__")))
- return;
-
- setReturnValue(info, ret);
-}
-
-static void functionNamedPropertySetter(v8::Local<v8::String> property, v8::Local<v8::Value> value, const v8::PropertyCallbackInfo<v8::Value>& info)
-{
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- V8ThrowException::throwException(v8::String::NewFromUtf8(v8Isolate, "Dart functions do not have writeable properties"), v8::Isolate::GetCurrent());
-}
-
-static void functionInvocationCallback(const v8::FunctionCallbackInfo<v8::Value>& args)
-{
- DartScopes scopes(args.Holder());
- Dart_Handle handle = scopes.handle;
-
- DartDOMData* domData = DartDOMData::current();
- ASSERT(DartUtilities::isFunction(domData, handle) || Dart_IsFunction(handle));
- bool isConstructor = false;
- Dart_FunctionIsConstructor(handle, &isConstructor);
- if (args.IsConstructCall() != isConstructor) {
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- V8ThrowException::throwException(v8::String::NewFromUtf8(v8Isolate, isConstructor ? "Constructor called without new" : "Regular function called as constructor"), v8Isolate);
- return;
- }
-
- Vector<Dart_Handle> dartFunctionArgs;
- for (intptr_t i = 0; i < args.Length(); ++i)
- dartFunctionArgs.append(DartHandleProxy::unwrapValue(args[i]));
-
- if (DartUtilities::isFunction(domData, handle)) {
- setReturnValue(args, Dart_InvokeClosure(handle, dartFunctionArgs.size(), dartFunctionArgs.data()));
- return;
- }
- Dart_Handle type = Dart_FunctionOwner(handle);
- if (isConstructor) {
- // FIXME: this seems like an overly complex way to have to invoke a constructor.
- setReturnValue(args,
- Dart_New(type, stripClassName(Dart_FunctionName(handle), Dart_TypeName(type)),
- dartFunctionArgs.size(), dartFunctionArgs.data()));
- } else {
- // Workaround so that invoking toString on a Class object returns
- // something meaningful instead of throwing an exception.
- if (Dart_IsType(type)) {
- bool isStatic = true;
- Dart_FunctionIsStatic(handle, &isStatic);
- // Attempting to invoke a static method on a Class object will fail
- // so there is not much harm in returning a more user friendly
- // result for toString().
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- if (!isStatic && V8Converter::stringToV8(Dart_FunctionName(handle))->Equals(v8::String::NewFromUtf8(v8Isolate, "toString"))) {
- setReturnValue(args, Dart_QualifiedTypeName(type));
- return;
- }
- }
- setReturnValue(args,
- Dart_Invoke(type, Dart_FunctionName(handle), dartFunctionArgs.size(), dartFunctionArgs.data()));
- }
-}
-
-static void typeProxyConstructorInvocationCallback(const v8::FunctionCallbackInfo<v8::Value>& args)
-{
- DartScopes scopes(args.Holder());
- Dart_Handle handle = scopes.handle;
-
- ASSERT(Dart_IsType(handle));
-
- if (!args.IsConstructCall()) {
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- V8ThrowException::throwException(v8::String::NewFromUtf8(v8Isolate, "Constructors can only be invoked with 'new'"), v8Isolate);
- return;
- }
-
- Vector<Dart_Handle> dartFunctionArgs;
- for (intptr_t i = 0; i < args.Length(); ++i)
- dartFunctionArgs.append(DartHandleProxy::unwrapValue(args[i]));
-
- setReturnValue(args, Dart_New(handle, Dart_Null(), dartFunctionArgs.size(), dartFunctionArgs.data()));
-}
-
-void getImportedLibrariesMatchingPrefix(intptr_t libraryId, Dart_Handle prefix, Vector<std::pair<Dart_Handle, intptr_t> >* libraries)
-{
- Dart_Handle imports = Dart_GetLibraryImports(libraryId);
- ASSERT(!Dart_IsError(imports));
- // Unfortunately dart_debugger_api.h adds a trailing dot to import prefixes.
- if (!Dart_IsNull(prefix))
- prefix = addTrailingDot(prefix);
- intptr_t length = 0;
- Dart_ListLength(imports, &length);
- for (intptr_t i = 0; i < length; i += 2) {
- Dart_Handle importPrefix = Dart_ListGetAt(imports, i);
- ASSERT(Dart_IsNull(importPrefix) || Dart_IsString(importPrefix));
- bool equals = false;
- Dart_Handle ALLOW_UNUSED result = Dart_ObjectEquals(prefix, importPrefix, &equals);
- ASSERT(!Dart_IsError(result));
- if (equals) {
- Dart_Handle importedLibraryIdHandle = Dart_ListGetAt(imports, i + 1);
- ASSERT(Dart_IsInteger(importedLibraryIdHandle));
- int64_t importedLibraryId;
- Dart_IntegerToInt64(importedLibraryIdHandle, &importedLibraryId);
- Dart_Handle libraryURL = Dart_GetLibraryURL(importedLibraryId);
- ASSERT(!Dart_IsError(libraryURL));
- Dart_Handle library = Dart_LookupLibrary(libraryURL);
- ASSERT(Dart_IsLibrary(library));
- libraries->append(std::pair<Dart_Handle, intptr_t>(library, importedLibraryId));
- }
- }
-}
-
-static bool libraryNamedPropertyGetterHelper(Dart_Handle library, Dart_Handle dartName,
- const v8::PropertyCallbackInfo<v8::Value>* info)
-{
- Dart_Handle ret;
- ret = Dart_GetField(library, dartName);
- if (!Dart_IsApiError(ret)) {
- if (info)
- setReturnValue(*info, ret);
- return true;
- }
-
- ret = Dart_GetType(library, dartName, 0, 0);
- if (!Dart_IsError(ret)) {
- if (info)
- v8SetReturnValue(*info, DartHandleProxy::createTypeProxy(ret, true));
- return true;
- }
-
- ret = Dart_LookupFunction(library, dartName);
- if (!Dart_IsNull(ret) && !Dart_IsError(ret)) {
- if (info)
- setReturnValue(*info, ret);
- return true;
- }
- return false;
-}
-
-/**
- * Helper for getting library property values.
- * Info may be 0 in which case no V8 If info is 0, no return value is set.
- */
-static bool libraryNamedPropertyGetterHelper(v8::Local<v8::String> name, v8::Local<v8::Object> holder,
- const v8::PropertyCallbackInfo<v8::Value>* info)
-{
- DartScopes scopes(holder);
- Dart_Handle handle = scopes.handle;
-
- ASSERT(Dart_IsLibrary(handle));
- intptr_t libraryId = getLibraryId(holder);
- Dart_Handle dartName = V8Converter::stringToDart(name);
- Dart_Handle prefix = getLibraryPrefix(holder);
- bool hasLibraryPrefix = !Dart_IsNull(prefix) && Dart_IsString(prefix);
-
- if (hasLibraryPrefix) {
- Vector<std::pair<Dart_Handle, intptr_t> > libraries;
- getImportedLibrariesMatchingPrefix(libraryId, prefix, &libraries);
- for (size_t i = 0; i < libraries.size(); i++) {
- if (libraryNamedPropertyGetterHelper(libraries[i].first, dartName, info))
- return true;
- }
- } else {
- if (libraryNamedPropertyGetterHelper(handle, dartName, info))
- return true;
-
- // Check whether there is at least one library imported with the specified prefix.
- Vector<std::pair<Dart_Handle, intptr_t> > libraries;
- getImportedLibrariesMatchingPrefix(libraryId, dartName, &libraries);
- if (libraries.size() > 0) {
- if (info)
- v8SetReturnValue(*info, DartHandleProxy::createLibraryProxy(handle, libraryId, dartName, false));
- return true;
- }
- }
-
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- if (name->Equals(v8::String::NewFromUtf8(v8Isolate, "__proto__"))) {
- if (info)
- v8SetReturnValue(*info, v8::Null(v8Isolate));
- return true;
- }
- return false;
-}
-
-static void libraryNamedPropertyGetter(v8::Local<v8::String> name, const v8::PropertyCallbackInfo<v8::Value>& info)
-{
- libraryNamedPropertyGetterHelper(name, info.Holder(), &info);
-}
-
-// FIXME: we need to handle prefixes when setting library properties as well
-// for completness. Postponing implementing this for now as we hope Dart_Invoke
-// can just be fixed to handle libraries correctly.
-static void libraryNamedPropertySetter(v8::Local<v8::String> property, v8::Local<v8::Value> value, const v8::PropertyCallbackInfo<v8::Value>& info)
-{
- DartScopes scopes(info.Holder());
- Dart_Handle handle = scopes.handle;
-
- ASSERT(Dart_IsLibrary(handle));
- Dart_Handle dartValue = DartHandleProxy::unwrapValue(value);
- setReturnValue(info, Dart_SetField(handle, V8Converter::stringToDart(property), dartValue));
-}
-
-static void libraryQueryProperty(v8::Local<v8::String> name, const v8::PropertyCallbackInfo<v8::Integer>& info)
-{
- if (libraryNamedPropertyGetterHelper(name, info.Holder(), 0))
- v8SetReturnValueInt(info, 0);
-}
-
-void libraryEnumerateHelper(Dart_Handle library, intptr_t libraryId, v8::Local<v8::Array> properties, intptr_t* count)
-{
- addFunctionNames(library, properties, count, false, false);
- addClassNames(library, properties, count);
- addFieldNames(Dart_GetLibraryFields(libraryId), properties, count);
-}
-
-static void libraryPropertyEnumerator(const v8::PropertyCallbackInfo<v8::Array>& info)
-{
- DartScopes scopes(info.Holder());
- Dart_Handle handle = scopes.handle;
-
- intptr_t libraryId = getLibraryId(info.Holder());
- ASSERT(Dart_IsLibrary(handle));
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- v8::Local<v8::Array> cachedProperties = info.Holder().As<v8::Object>()->GetHiddenValue(v8::String::NewFromUtf8(v8Isolate, "cache")).As<v8::Array>();
- if (*cachedProperties) {
- v8SetReturnValue(info, cachedProperties);
- return;
- }
-
- Dart_Handle prefix = getLibraryPrefix(info.Holder());
- bool hasLibraryPrefix = Dart_IsString(prefix);
-
- v8::Local<v8::Array> properties = v8::Array::New(v8Isolate);
- intptr_t count = 0;
-
- if (hasLibraryPrefix) {
- Vector<std::pair<Dart_Handle, intptr_t> > libraries;
- getImportedLibrariesMatchingPrefix(libraryId, prefix, &libraries);
- for (size_t i = 0; i < libraries.size(); i++)
- libraryEnumerateHelper(libraries[i].first, libraries[i].second, properties, &count);
- } else {
- libraryEnumerateHelper(handle, libraryId, properties, &count);
- // Add all library prefixes of imports to the library.
- Dart_Handle imports = Dart_GetLibraryImports(libraryId);
- ASSERT(!Dart_IsError(imports));
- intptr_t length = 0;
- Dart_ListLength(imports, &length);
- for (intptr_t i = 0; i < length; i += 2) {
- Dart_Handle importPrefix = Dart_ListGetAt(imports, i);
- if (!Dart_IsNull(importPrefix)) {
- ASSERT(Dart_IsString(importPrefix));
- properties->Set(count, V8Converter::stringToV8(
- demangle(stripTrailingDot(importPrefix))));
- count++;
- }
- }
- }
-
- info.Holder()->SetHiddenValue(v8::String::NewFromUtf8(v8Isolate, "cache"), properties);
- v8SetReturnValue(info, properties);
-}
-
-bool isShowStatics(v8::Handle<v8::Value> value)
-{
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- v8::Local<v8::Value> showStatics = value.As<v8::Object>()->GetHiddenValue(v8::String::NewFromUtf8(v8Isolate, "showStatics"));
- ASSERT(*showStatics && showStatics->IsBoolean());
- return showStatics->BooleanValue();
-}
-
-static void typeNamedPropertyGetter(v8::Local<v8::String> name, const v8::PropertyCallbackInfo<v8::Value>& info)
-{
- DartScopes scopes(info.Holder());
- Dart_Handle handle = scopes.handle;
-
- Dart_Handle ret;
- ASSERT(Dart_IsType(handle));
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- if (name->Equals(v8::String::NewFromUtf8(v8Isolate, "__proto__"))) {
- // Due to Dart semantics, if we are showing statics, we need to
- // not link types up to their superclasses as statics in superclasses
- // are not visible in subclasses.
- if (isShowStatics(info.Holder())) {
- v8SetReturnValue(info, v8::Null(v8Isolate));
- return;
- }
-
- Dart_Handle supertype = Dart_GetSupertype(handle);
- if (!Dart_IsNull(supertype))
- v8SetReturnValue(info, DartHandleProxy::createTypeProxy(supertype, false));
- else
- v8SetReturnValue(info, v8::Null(v8Isolate));
- return;
- }
-
- Dart_Handle dartName = V8Converter::stringToDart(name);
- ret = Dart_GetField(handle, dartName);
- if (!Dart_IsError(ret)) {
- setReturnValue(info, ret);
- return;
- }
- ret = Dart_LookupFunction(handle, dartName);
- if (!Dart_IsNull(ret) && !Dart_IsError(ret)) {
- setReturnValue(info, ret);
- return;
- }
-
- Dart_Handle typeName = Dart_TypeName(handle);
- ASSERT(Dart_IsString(typeName));
- Dart_Handle constructorName = buildConstructorName(typeName, V8Converter::stringToDart(name));
- ret = Dart_LookupFunction(handle, constructorName);
- if (!Dart_IsNull(ret) && !Dart_IsError(ret))
- setReturnValue(info, ret);
-}
-
-static void typeNamedPropertySetter(v8::Local<v8::String> property, v8::Local<v8::Value> value, const v8::PropertyCallbackInfo<v8::Value>& info)
-{
- DartScopes scopes(info.Holder());
- Dart_Handle handle = scopes.handle;
-
- ASSERT(Dart_IsType(handle));
- Dart_Handle dartValue = DartHandleProxy::unwrapValue(value);
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- setReturnValue(info, Dart_Invoke(handle, V8Converter::stringToDart(v8::String::Concat(v8::String::NewFromUtf8(v8Isolate, "set:"), property)), 1, &dartValue));
-}
-
-static void typeQueryProperty(v8::Local<v8::String> name, const v8::PropertyCallbackInfo<v8::Integer>& info)
-{
- DartScopes scopes(info.Holder());
- Dart_Handle handle = scopes.handle;
-
- ASSERT(Dart_IsType(handle));
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- if (name->Equals(v8::String::NewFromUtf8(v8Isolate, "__proto__"))
- || typeHasMember(handle, V8Converter::stringToDart(name)))
- return v8SetReturnValueInt(info, 0);
-}
-
-static void typePropertyEnumerator(const v8::PropertyCallbackInfo<v8::Array>& info)
-{
- DartScopes scopes(info.Holder());
- Dart_Handle handle = scopes.handle;
- bool showStatics = isShowStatics(info.Holder());
-
- ASSERT(Dart_IsType(handle));
-
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- v8::Local<v8::Array> properties = v8::Array::New(v8Isolate);
- intptr_t count = 0;
- addFunctionNames(handle, properties, &count, !showStatics, false);
- if (showStatics)
- addFieldNames(Dart_GetStaticFields(handle), properties, &count);
-
- properties->Set(count, v8::String::NewFromUtf8(v8Isolate, "__proto__"));
- count++;
- v8SetReturnValue(info, properties);
-}
-
-static void frameNamedPropertyGetter(v8::Local<v8::String> name, const v8::PropertyCallbackInfo<v8::Value>& info)
-{
- DartScopes scopes(info.Holder());
- Dart_Handle handle = scopes.handle;
-
- if (mapContainsKey(handle, V8Converter::stringToDart(name))) {
- Dart_Handle indexedGetterOperator = Dart_NewStringFromCString("[]");
- Dart_Handle dartName = V8Converter::stringToDart(name);
- setReturnValue(info, Dart_Invoke(handle, indexedGetterOperator, 1, &dartName));
- }
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- if (name->Equals(v8::String::NewFromUtf8(v8Isolate, "__proto__"))) {
- v8SetReturnValue(info, v8::Null(v8Isolate));
- }
-}
-
-static void frameNamedPropertySetter(v8::Local<v8::String> property, v8::Local<v8::Value> value, const v8::PropertyCallbackInfo<v8::Value>& info)
-{
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- V8ThrowException::throwException(v8::String::NewFromUtf8(v8Isolate, "Dart does not yet provide a debugger api for setting local fields"), v8Isolate);
-}
-
-static void frameQueryProperty(v8::Local<v8::String> name, const v8::PropertyCallbackInfo<v8::Integer>& info)
-{
- DartScopes scopes(info.Holder());
-
- if (mapContainsKey(scopes.handle, V8Converter::stringToDart(name)))
- v8SetReturnValueInt(info, 0);
-}
-
-static void framePropertyEnumerator(const v8::PropertyCallbackInfo<v8::Array>& info)
-{
- DartScopes scopes(info.Holder());
- Dart_Handle keyList = getMapKeyList(scopes.handle);
- ASSERT(!Dart_IsError(keyList));
- ASSERT(Dart_IsList(keyList));
-
- intptr_t length = 0;
- Dart_ListLength(keyList, &length);
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- v8::Local<v8::Array> properties = v8::Array::New(v8Isolate, length);
- for (intptr_t i = 0; i < length; i ++)
- properties->Set(i, V8Converter::stringToV8(Dart_ListGetAt(keyList, i)));
- v8SetReturnValue(info, properties);
-}
-
-static void namedPropertyGetter(v8::Local<v8::String> name, const v8::PropertyCallbackInfo<v8::Value>& info)
-{
- DartScopes scopes(info.Holder());
- Dart_Handle handle = scopes.handle;
-
- ASSERT(Dart_IsInstance(handle));
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- if (name->Equals(v8::String::NewFromUtf8(v8Isolate, "__proto__"))) {
- v8SetReturnValue(info, DartHandleProxy::createTypeProxy(Dart_InstanceGetType(handle), false));
- return;
- }
-
- v8::String::Utf8Value stringName(name);
- const char* data = *stringName;
- if (data[0] == ':' || data[0] == '#') {
- // Look up a map key instead of a regular property as regular dart property names
- // cannot start with these symbols.
- setReturnValue(info,
- lookupValueForEncodedMapKey(handle, V8Converter::stringToDart(name)));
- return;
- }
- // Prefix for metadata used only by the Dart Editor debugger.
- if (data[0] == '@') {
- if (name->Equals(v8::String::NewFromUtf8(v8Isolate, "@staticFields"))) {
- v8SetReturnValue(info, DartHandleProxy::createTypeProxy(Dart_InstanceGetType(handle), true));
- return;
- }
- if (name->Equals(v8::String::NewFromUtf8(v8Isolate, "@library"))) {
- intptr_t libraryId = 0;
- intptr_t classId = 0;
- Dart_Handle ALLOW_UNUSED result = Dart_GetObjClassId(handle, &classId);
- ASSERT(!Dart_IsError(result));
- result = Dart_GetClassInfo(classId, 0, &libraryId, 0, 0);
- ASSERT(!Dart_IsError(result));
- v8SetReturnValue(info, DartHandleProxy::createLibraryProxy(Dart_GetLibraryFromId(libraryId), libraryId, Dart_Null(), false));
- return;
- }
- }
-
- Dart_Handle result = Dart_Invoke(handle, V8Converter::stringToDart(v8::String::Concat(v8::String::NewFromUtf8(v8Isolate, "get:"), name)), 0, 0);
- if (Dart_IsError(result)) {
- // To match JS conventions, we should just return undefined if a
- // property does not exist rather than throwing.
- if (Dart_ErrorHasException(result) && isNoSuchMethodError(Dart_ErrorGetException(result)))
- return;
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- v8Isolate->ThrowException(v8::String::NewFromUtf8(v8Isolate, Dart_GetError(result)));
- return;
- }
- v8SetReturnValue(info, DartHandleProxy::create(result));
-}
-
-static void namedPropertySetter(v8::Local<v8::String> property, v8::Local<v8::Value> value, const v8::PropertyCallbackInfo<v8::Value>& info)
-{
- DartScopes scopes(info.Holder());
- Dart_Handle handle = scopes.handle;
-
- Dart_Handle dartValue = DartHandleProxy::unwrapValue(value);
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- setReturnValue(info, Dart_Invoke(handle, V8Converter::stringToDart(v8::String::Concat(v8::String::NewFromUtf8(v8Isolate, "set:"), property)), 1, &dartValue));
-}
-
-static void objectQueryProperty(v8::Local<v8::String> name, const v8::PropertyCallbackInfo<v8::Integer>& info)
-{
- DartScopes scopes(info.Holder());
- Dart_Handle handle = scopes.handle;
-
- Dart_Handle ret;
- ASSERT(Dart_IsInstance(handle));
- v8::String::Utf8Value stringName(name);
- const char* data = *stringName;
-
- // Looking up a map key instead of a regular property... as regular dart property names
- // cannot start with these symbols.
- if (data[0] == ':' || data[0] == '#') {
- v8SetReturnValueInt(info, v8::ReadOnly);
- return;
- }
- if (data[0] == '@') {
- v8SetReturnValueInt(info, v8::DontEnum);
- return;
- }
-
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- ret = Dart_Invoke(handle, V8Converter::stringToDart(v8::String::Concat(v8::String::NewFromUtf8(v8Isolate, "get:"), name)), 0, 0);
- if (Dart_IsError(ret) && !name->Equals(v8::String::NewFromUtf8(v8Isolate, "__proto__"))) {
- return;
- }
- v8SetReturnValueInt(info, 0);
-}
-
-static void objectPropertyEnumerator(const v8::PropertyCallbackInfo<v8::Array>& info)
-{
- DartScopes scopes(info.Holder());
- Dart_Handle handle = scopes.handle;
-
- ASSERT(Dart_IsInstance(handle));
-
- Dart_Handle typeHandle = Dart_InstanceGetType(handle);
-
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- v8::Local<v8::Array> properties = v8::Array::New(v8Isolate);
- intptr_t count = 0;
- Dart_Handle mapKeys = getEncodedMapKeyList(handle);
- if (Dart_IsList(mapKeys)) {
- // If the object has map keys, add them all as properties at the start
- // of the list. This aids for debugging although it risks confusing
- // users.
- intptr_t length = 0;
- Dart_ListLength(mapKeys, &length);
- for (intptr_t i = 0; i < length; i++) {
- properties->Set(count, V8Converter::stringToV8(Dart_ListGetAt(mapKeys, i)));
- count++;
- }
- }
-
- Dart_Handle instanceFields = Dart_GetInstanceFields(handle);
- intptr_t length = 0;
- Dart_ListLength(instanceFields, &length);
- for (intptr_t i = 0; i < length; i += 2) {
- properties->Set(count, DartHandleProxy::create(
- Dart_ListGetAt(instanceFields, i)));
- count++;
- }
-
- while (!Dart_IsError(typeHandle) && !Dart_IsNull(typeHandle)) {
- addFunctionNames(typeHandle, properties, &count, true, true);
- typeHandle = Dart_GetSupertype(typeHandle);
- }
-
- properties->Set(count, v8::String::NewFromUtf8(v8Isolate, "@staticFields"));
- count++;
- properties->Set(count, v8::String::NewFromUtf8(v8Isolate, "@library"));
- count++;
- v8SetReturnValue(info, properties);
-}
-
-static void indexedGetter(uint32_t index, const v8::PropertyCallbackInfo<v8::Value>& info)
-{
- DartScopes scopes(info.Holder());
- Dart_Handle handle = scopes.handle;
-
- Dart_Handle ret = 0;
- if (Dart_IsList(handle))
- ret = Dart_ListGetAt(handle, index);
- else
- ret = Dart_Null();
-
- setReturnValue(info, ret);
-}
-
-static void indexedSetter(uint32_t index, v8::Local<v8::Value> value, const v8::PropertyCallbackInfo<v8::Value>& info)
-{
- DartScopes scopes(info.Holder());
- Dart_Handle handle = scopes.handle;
-
- Dart_Handle ret = 0;
- if (Dart_IsList(handle))
- ret = Dart_ListSetAt(handle, index, DartHandleProxy::unwrapValue(value));
- else
- ret = Dart_Null();
-
- setReturnValue(info, ret);
-}
-
-static void indexedEnumerator(const v8::PropertyCallbackInfo<v8::Array>& info)
-{
- DartScopes scopes(info.Holder());
- Dart_Handle handle = scopes.handle;
-
- intptr_t length = 0;
- if (Dart_IsList(handle))
- Dart_ListLength(handle, &length);
-
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- v8::Local<v8::Array> indexes = v8::Array::New(v8Isolate, length);
- for (int i = 0; i < length; i++)
- indexes->Set(i, v8::Integer::New(v8Isolate, i));
-
- v8SetReturnValue(info, indexes);
-}
-
-static v8::Local<v8::ObjectTemplate> setupInstanceTemplate(v8::Local<v8::FunctionTemplate> proxyTemplate)
-{
- v8::Local<v8::ObjectTemplate> instanceTemplate = proxyTemplate->InstanceTemplate();
- instanceTemplate->SetInternalFieldCount(1);
- return instanceTemplate;
-}
-
-static v8::Local<v8::FunctionTemplate> objectProxyTemplate(Dart_Handle instance)
-{
- DEFINE_STATIC_LOCAL(FunctionTemplateMap, map, ());
- Dart_Handle dartType = Dart_InstanceGetType(instance);
- ASSERT(!Dart_IsError(dartType));
- Dart_Handle typeNameHandle = Dart_TypeName(dartType);
- ASSERT(!Dart_IsError(typeNameHandle));
- v8::Handle<v8::String> typeNameV8 = V8Converter::stringToV8(typeNameHandle);
- String typeName = toCoreString(typeNameV8);
- v8::Persistent<v8::FunctionTemplate>* proxyTemplate = map.get(typeName);
- v8::Local<v8::FunctionTemplate> proxyTemplateLocal;
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- if (!proxyTemplate) {
- proxyTemplate = new v8::Persistent<v8::FunctionTemplate>(v8Isolate, v8::FunctionTemplate::New(v8Isolate));
- proxyTemplateLocal = v8::Local<v8::FunctionTemplate>::New(v8Isolate, *proxyTemplate);
- proxyTemplateLocal->SetClassName(typeNameV8);
- map.set(typeName, proxyTemplate);
- v8::Local<v8::ObjectTemplate> instanceTemplate = setupInstanceTemplate(proxyTemplateLocal);
- instanceTemplate->SetIndexedPropertyHandler(&indexedGetter, &indexedSetter, 0, 0, &indexedEnumerator);
- instanceTemplate->SetNamedPropertyHandler(&namedPropertyGetter, &namedPropertySetter, &objectQueryProperty, 0, &objectPropertyEnumerator);
- } else {
- proxyTemplateLocal = v8::Local<v8::FunctionTemplate>::New(v8Isolate, *proxyTemplate);
- }
- return proxyTemplateLocal;
-}
-
-static v8::Local<v8::FunctionTemplate> functionProxyTemplate()
-{
- DEFINE_STATIC_LOCAL(v8::Persistent<v8::FunctionTemplate>, proxyTemplate, ());
- v8::Local<v8::FunctionTemplate> proxyTemplateLocal;
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- if (proxyTemplate.IsEmpty()) {
- proxyTemplate.Reset(v8::Isolate::GetCurrent(), v8::FunctionTemplate::New(v8Isolate));
- proxyTemplateLocal = v8::Local<v8::FunctionTemplate>::New(v8Isolate, proxyTemplate);
- proxyTemplateLocal->SetClassName(v8::String::NewFromUtf8(v8Isolate, "[Dart Function]"));
- v8::Local<v8::ObjectTemplate> instanceTemplate = setupInstanceTemplate(proxyTemplateLocal);
- instanceTemplate->SetNamedPropertyHandler(&functionNamedPropertyGetter, &functionNamedPropertySetter);
- instanceTemplate->SetCallAsFunctionHandler(&functionInvocationCallback);
- } else {
- proxyTemplateLocal = v8::Local<v8::FunctionTemplate>::New(v8Isolate, proxyTemplate);
- }
- return proxyTemplateLocal;
-}
-
-static v8::Local<v8::FunctionTemplate> libraryProxyTemplate(v8::Handle<v8::String> libraryNameV8)
-{
- DEFINE_STATIC_LOCAL(FunctionTemplateMap, map, ());
- String typeName = toCoreString(libraryNameV8);
- v8::Persistent<v8::FunctionTemplate>* proxyTemplate = map.get(typeName);
- v8::Local<v8::FunctionTemplate> proxyTemplateLocal;
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- if (!proxyTemplate) {
- proxyTemplate = new v8::Persistent<v8::FunctionTemplate>(v8Isolate, v8::FunctionTemplate::New(v8Isolate));
- proxyTemplateLocal = v8::Local<v8::FunctionTemplate>::New(v8Isolate, *proxyTemplate);
- proxyTemplateLocal->SetClassName(libraryNameV8);
- map.set(typeName, proxyTemplate);
- v8::Local<v8::ObjectTemplate> instanceTemplate = setupInstanceTemplate(proxyTemplateLocal);
- instanceTemplate->SetNamedPropertyHandler(&libraryNamedPropertyGetter, &libraryNamedPropertySetter, &libraryQueryProperty, 0, &libraryPropertyEnumerator);
- } else {
- proxyTemplateLocal = v8::Local<v8::FunctionTemplate>::New(v8Isolate, *proxyTemplate);
- }
- return proxyTemplateLocal;
-}
-
-static v8::Local<v8::FunctionTemplate> typeProxyTemplate(Dart_Handle type)
-{
- DEFINE_STATIC_LOCAL(FunctionTemplateMap, map, ());
- Dart_Handle typeNameHandle = Dart_TypeName(type);
- ASSERT(!Dart_IsError(typeNameHandle));
- v8::Handle<v8::String> typeNameV8 = V8Converter::stringToV8(typeNameHandle);
- String typeName = toCoreString(typeNameV8);
-
- v8::Persistent<v8::FunctionTemplate>* proxyTemplate = map.get(typeName);
- v8::Local<v8::FunctionTemplate> proxyTemplateLocal;
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- if (!proxyTemplate) {
- proxyTemplate = new v8::Persistent<v8::FunctionTemplate>(v8Isolate, v8::FunctionTemplate::New(v8Isolate));
- proxyTemplateLocal = v8::Local<v8::FunctionTemplate>::New(v8Isolate, *proxyTemplate);
- proxyTemplateLocal->SetClassName(typeNameV8);
- v8::Local<v8::ObjectTemplate> instanceTemplate = setupInstanceTemplate(proxyTemplateLocal);
- instanceTemplate->SetNamedPropertyHandler(&typeNamedPropertyGetter, &typeNamedPropertySetter, &typeQueryProperty, 0, &typePropertyEnumerator);
- instanceTemplate->SetCallAsFunctionHandler(&typeProxyConstructorInvocationCallback);
- map.set(typeName, proxyTemplate);
- } else {
- proxyTemplateLocal = v8::Local<v8::FunctionTemplate>::New(v8Isolate, *proxyTemplate);
- }
- return proxyTemplateLocal;
-}
-
-static v8::Local<v8::FunctionTemplate> frameProxyTemplate()
-{
- DEFINE_STATIC_LOCAL(v8::Persistent<v8::FunctionTemplate>, proxyTemplate, ());
- v8::Local<v8::FunctionTemplate> proxyTemplateLocal;
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- if (proxyTemplate.IsEmpty()) {
- proxyTemplate.Reset(v8::Isolate::GetCurrent(), v8::FunctionTemplate::New(v8Isolate));
- proxyTemplateLocal = v8::Local<v8::FunctionTemplate>::New(v8Isolate, proxyTemplate);
- proxyTemplateLocal->SetClassName(v8::String::NewFromUtf8(v8Isolate, "[Dart Frame]"));
- v8::Local<v8::ObjectTemplate> instanceTemplate = setupInstanceTemplate(proxyTemplateLocal);
- instanceTemplate->SetNamedPropertyHandler(&frameNamedPropertyGetter, &frameNamedPropertySetter, &frameQueryProperty, 0, &framePropertyEnumerator);
- } else {
- proxyTemplateLocal = v8::Local<v8::FunctionTemplate>::New(v8Isolate, proxyTemplate);
- }
- return proxyTemplateLocal;
-}
-
-v8::Handle<v8::Value> DartHandleProxy::create(Dart_Handle value)
-{
- v8::Context::Scope scope(DartUtilities::currentV8Context());
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
-
- if (Dart_IsNull(value))
- return v8::Null(v8Isolate);
- if (Dart_IsString(value))
- return V8Converter::stringToV8(value);
- if (Dart_IsBoolean(value))
- return V8Converter::booleanToV8(value);
- if (Dart_IsNumber(value))
- return V8Converter::numberToV8(value);
- v8::Local<v8::Object> proxy;
- // We could unwrap Dart DOM types to native types and then rewrap them as
- // JS DOM types but currently we choose not to instead returning JS
- // proxies for the Dart DOM types so that the Dart DOM APIs for DOM types
- // are exposed in the debugger instead of the JS APIs.
- // We attempt to get the best of both worlds by providing the method
- // getJavaScriptType to let debugger APIs treat these Dart proxies for
- // DOM types like native DOM types for cases such as visual Node
- // highlighting.
-
- DartDOMData* domData = DartDOMData::current();
- // FIXME: refactor code so we do not have to check for Dart_IsFunction.
- if (DartUtilities::isFunction(domData, value) || Dart_IsFunction(value)) {
- proxy = functionProxyTemplate()->InstanceTemplate()->NewInstance();
- } else {
- ASSERT(Dart_IsInstance(value));
- proxy = objectProxyTemplate(value)->InstanceTemplate()->NewInstance();
- }
- writePointerToProxy(proxy, value);
- proxy->SetHiddenValue(v8::String::NewFromUtf8(v8Isolate, "dartProxy"), v8::Boolean::New(v8Isolate, true));
-
- return proxy;
-}
-
-v8::Handle<v8::Value> DartHandleProxy::createTypeProxy(Dart_Handle value, bool showStatics)
-{
- ASSERT(Dart_IsType(value));
- v8::Local<v8::Object> proxy = typeProxyTemplate(value)->InstanceTemplate()->NewInstance();
- writePointerToProxy(proxy, value);
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- proxy->SetHiddenValue(v8::String::NewFromUtf8(v8Isolate, "dartProxy"), v8::Boolean::New(v8Isolate, true));
- proxy->SetHiddenValue(v8::String::NewFromUtf8(v8Isolate, "showStatics"), v8::Boolean::New(v8Isolate, showStatics));
- return proxy;
-}
-
-/**
- * Returns the JavaScript type name following the Chrome debugger conventions
- * for Dart objects that have natural JavaScript analogs.
- * This enables visually consistent display of Dart Lists and JavaScript arrays,
- * functions, and DOM nodes.
- */
-const char* DartHandleProxy::getJavaScriptType(v8::Handle<v8::Value> value)
-{
- DartPersistentValue* scriptValue = readPointerFromProxy(value);
- ASSERT(scriptValue->isIsolateAlive());
- DartIsolateScope scope(scriptValue->isolate());
- DartApiScope apiScope;
- Dart_PersistentHandle handle = scriptValue->value();
-
- if (Dart_IsInstance(handle)) {
- if (Dart_IsList(handle))
- return "array";
-
- if (DartDOMWrapper::subtypeOf(handle, DartNode::dartClassId))
- return "node";
- }
-
- return 0;
-}
-
-Node* DartHandleProxy::toNativeNode(v8::Handle<v8::Value> value)
-{
- DartPersistentValue* scriptValue = readPointerFromProxy(value);
- ASSERT(scriptValue->isIsolateAlive());
- DartIsolateScope scope(scriptValue->isolate());
- DartApiScope apiScope;
- Dart_PersistentHandle handle = scriptValue->value();
- Dart_Handle exception = 0;
- Node* node = DartNode::toNative(handle, exception);
- ASSERT(!exception);
- return node;
-}
-
-/**
- * Creates a proxy for a Dart library.
- * If a string prefix is specified, we similuate that all requests to the library start with
- * the specified prefix.
- */
-v8::Handle<v8::Value> DartHandleProxy::createLibraryProxy(Dart_Handle value, intptr_t libraryId, Dart_Handle prefix, bool asGlobal)
-{
- v8::Context::Scope scope(DartUtilities::currentV8Context());
- ASSERT(Dart_IsLibrary(value));
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- v8::Handle<v8::String> libraryNameV8 = Dart_IsNull(prefix) ? V8Converter::stringToV8(Dart_GetLibraryURL(libraryId)) : v8::String::NewFromUtf8(v8Isolate, "[Library Prefix]");
- v8::Local<v8::Object> proxy = libraryProxyTemplate(libraryNameV8)->InstanceTemplate()->NewInstance();
- writePointerToProxy(proxy, value);
- proxy->SetHiddenValue(v8::String::NewFromUtf8(v8Isolate, "libraryId"), v8::Number::New(v8Isolate, libraryId));
- if (Dart_IsString(prefix))
- proxy->SetHiddenValue(v8::String::NewFromUtf8(v8Isolate, "prefix"), V8Converter::stringToV8(prefix));
-
- if (asGlobal)
- proxy->SetHiddenValue(v8::String::NewFromUtf8(v8Isolate, "asGlobal"), v8::Boolean::New(v8Isolate, true));
-
- proxy->SetHiddenValue(v8::String::NewFromUtf8(v8Isolate, "dartProxy"), v8::Boolean::New(v8Isolate, true));
- return proxy;
-}
-
-v8::Handle<v8::Value> DartHandleProxy::createLocalScopeProxy(Dart_Handle localVariables)
-{
- v8::Local<v8::Object> proxy = frameProxyTemplate()->InstanceTemplate()->NewInstance();
- Dart_Handle localScopeVariableMap = createLocalVariablesMap(localVariables);
- ASSERT(!Dart_IsError(localScopeVariableMap));
- writePointerToProxy(proxy, localScopeVariableMap);
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- proxy->SetHiddenValue(v8::String::NewFromUtf8(v8Isolate, "dartProxy"), v8::Boolean::New(v8Isolate, true));
- return proxy;
-}
-
-v8::Handle<v8::Value> DartHandleProxy::evaluate(Dart_Handle target, Dart_Handle expression, Dart_Handle localVariables)
-{
- DartDOMData* domData = DartDOMData::current();
- ASSERT(domData);
- ASSERT(Dart_IsList(localVariables) || Dart_IsNull(localVariables));
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- if (V8Converter::stringToV8(expression)->Equals(v8::String::NewFromUtf8(v8Isolate, "@NamesInScope"))) {
- // Special case: return an object specifying all names that are in
- // scope for the current target. FIXME: we could handle this a lot more
- // efficiently given we don't really care what the values of the
- // variables are just that they are in scope.
- if (Dart_IsLibrary(target))
- return DartHandleProxy::createLibraryProxy(target, DartUtilities::libraryHandleToLibraryId(target), Dart_Null(), true);
- return DartHandleProxy::create(target);
- }
-
- Dart_Handle exception = 0;
- bool ret = DartUtilities::dartToBool(DartUtilities::invokeUtilsMethod("isJsExpression", 1, &expression), exception);
- ASSERT(!exception);
- if (ret) {
- // FIXME(dartbug.com/13468): remove this hacky fallback of invoking JS
- // code when we believe a JS code fragment generated by the chrome
- // developer tools was passed to us rather than a fragment of true
- // Dart code.
- ASSERT(!v8Isolate->GetCurrentContext().IsEmpty());
- v8::Handle<v8::Value> result = V8ScriptRunner::compileAndRunInternalScript(V8Converter::stringToV8(expression), v8::Isolate::GetCurrent());
- return result;
- }
-
- bool expectsConsoleApi = DartUtilities::dartToBool(DartUtilities::invokeUtilsMethod("expectsConsoleApi", 1, &expression), exception);
- ASSERT(!exception);
- if (expectsConsoleApi) {
- // Vector of local variables and injected console variables.
- Vector<Dart_Handle> locals;
- if (Dart_IsList(localVariables)) {
- DartUtilities::extractListElements(localVariables, exception, locals);
- ASSERT(!exception);
- }
- // Use JsInterop to proxy all properties and functions defined by
- // window.console._commandLineAPI
- v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
- v8::Handle<v8::Value> commandLineApiValue = v8Isolate->GetCurrentContext()->Global()->Get(v8::String::NewFromUtf8(v8Isolate, "__commandLineAPI"));
- ASSERT(commandLineApiValue->IsObject());
- if (commandLineApiValue->IsObject()) {
- v8::Handle<v8::Object> commandLineApi = commandLineApiValue.As<v8::Object>();
- v8::Local<v8::Array> propertyNames = commandLineApi->GetOwnPropertyNames();
- uint32_t length = propertyNames->Length();
- ASSERT(length > 0);
- for (uint32_t i = 0; i < length; i++) {
- v8::Handle<v8::String> propertyName = propertyNames->Get(i).As<v8::String>();
- ASSERT(!propertyNames.IsEmpty());
- v8::Handle<v8::Value> propertyValue = commandLineApi->Get(propertyName);
-
- Dart_Handle dartValue;
- if (propertyValue->IsFunction()) {
- dartValue = JsInterop::toDart(propertyValue);
- // We need to wrap the JsFunction object we get back
- // from the vanila JsInterop library so that users can
- // call it like a normal Dart function instead of
- // having to use the apply method.
- dartValue = Dart_Invoke(domData->jsLibrary(), Dart_NewStringFromCString("_wrapAsDebuggerVarArgsFunction"), 1, &dartValue);
- } else {
- dartValue = JsInterop::toDart(propertyValue);
- }
- locals.append(V8Converter::stringToDart(propertyName));
- locals.append(dartValue);
- }
- }
- localVariables = DartUtilities::toList(locals, exception);
- ASSERT(!exception);
- }
-
- Dart_Handle wrapExpressionArgs[2] = { expression, localVariables };
- Dart_Handle wrappedExpressionTuple =
- DartUtilities::invokeUtilsMethod("wrapExpressionAsClosure", 2, wrapExpressionArgs);
- ASSERT(Dart_IsList(wrappedExpressionTuple));
- Dart_Handle wrappedExpression = Dart_ListGetAt(wrappedExpressionTuple, 0);
- Dart_Handle wrappedExpressionArgs = Dart_ListGetAt(wrappedExpressionTuple, 1);
-
- ASSERT(Dart_IsString(wrappedExpression));
- Dart_Handle closure = Dart_EvaluateExpr(target, wrappedExpression);
- // There was a parse error. FIXME: consider cleaning up the line numbers in
- // the error message.
- if (Dart_IsError(closure))
- return V8ThrowException::throwException(v8::String::NewFromUtf8(v8Isolate, Dart_GetError(closure)), v8::Isolate::GetCurrent());
-
- // Invoke the closure passing in the expression arguments specified by
- // wrappedExpressionTuple.
- ASSERT(DartUtilities::isFunction(domData, closure));
- intptr_t length = 0;
- Dart_ListLength(wrappedExpressionArgs, &length);
- Vector<Dart_Handle> dartFunctionArgs;
- for (intptr_t i = 0; i < length; i ++)
- dartFunctionArgs.append(Dart_ListGetAt(wrappedExpressionArgs, i));
-
- Dart_Handle result = Dart_InvokeClosure(closure, dartFunctionArgs.size(), dartFunctionArgs.data());
- if (Dart_IsError(result))
- return V8ThrowException::throwException(v8::String::NewFromUtf8(v8Isolate, Dart_GetError(result)), v8::Isolate::GetCurrent());
- return DartHandleProxy::create(result);
-}
-
-}
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