Moved files under Source/bindings/v8 to Source/bindings/core/v8.

Source/bindings/v8/V8ScriptRunner.cpp

-/*
- * Copyright (C) 2009 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:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. 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.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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/v8/V8ScriptRunner.h"
-
-#include "bindings/v8/ScriptSourceCode.h"
-#include "bindings/v8/V8Binding.h"
-#include "bindings/v8/V8GCController.h"
-#include "bindings/v8/V8RecursionScope.h"
-#include "core/dom/ExecutionContext.h"
-#include "core/fetch/CachedMetadata.h"
-#include "core/fetch/ScriptResource.h"
-#include "platform/TraceEvent.h"
-
-namespace WebCore {
-
-v8::Local<v8::Script> V8ScriptRunner::compileScript(const ScriptSourceCode& source, v8::Isolate* isolate, AccessControlStatus corsStatus)
-{
-    return compileScript(v8String(isolate, source.source()), source.url(), source.startPosition(), source.resource(), isolate, corsStatus);
-}
-
-v8::Local<v8::Script> V8ScriptRunner::compileScript(v8::Handle<v8::String> code, const String& fileName, const TextPosition& scriptStartPosition, ScriptResource* resource, v8::Isolate* isolate, AccessControlStatus corsStatus)
-{
-    // A pseudo-randomly chosen ID used to store and retrieve V8 ScriptData from
-    // the ScriptResource. If the format changes, this ID should be changed too.
-    static const unsigned dataTypeID = 0xECC13BD7;
-
-    // Very small scripts are not worth the effort to store cached data.
-    static const int minLengthForCachedData = 1024;
-
-    TRACE_EVENT1("v8", "v8.compile", "fileName", fileName.utf8());
-    TRACE_EVENT_SCOPED_SAMPLING_STATE("v8", "V8Compile");
-
-    // NOTE: For compatibility with WebCore, ScriptSourceCode's line starts at
-    // 1, whereas v8 starts at 0.
-    v8::Handle<v8::String> name = v8String(isolate, fileName);
-    v8::Handle<v8::Integer> line = v8::Integer::New(isolate, scriptStartPosition.m_line.zeroBasedInt());
-    v8::Handle<v8::Integer> column = v8::Integer::New(isolate, scriptStartPosition.m_column.zeroBasedInt());
-    v8::Handle<v8::Boolean> isSharedCrossOrigin = corsStatus == SharableCrossOrigin ? v8::True(isolate) : v8::False(isolate);
-    v8::ScriptOrigin origin(name, line, column, isSharedCrossOrigin);
-
-    v8::ScriptCompiler::CompileOptions options = v8::ScriptCompiler::kNoCompileOptions;
-    OwnPtr<v8::ScriptCompiler::CachedData> cachedData;
-    if (resource) {
-        CachedMetadata* cachedMetadata = resource->cachedMetadata(dataTypeID);
-        if (cachedMetadata) {
-            // Ownership of the buffer is not transferred to CachedData.
-            cachedData = adoptPtr(new v8::ScriptCompiler::CachedData(reinterpret_cast<const uint8_t*>(cachedMetadata->data()), cachedMetadata->size()));
-        } else if (code->Length() >= minLengthForCachedData) {
-            options = v8::ScriptCompiler::kProduceDataToCache;
-        }
-    }
-    // source takes ownership of cachedData.
-    v8::ScriptCompiler::Source source(code, origin, cachedData.leakPtr());
-    v8::Local<v8::Script> script = v8::ScriptCompiler::Compile(isolate, &source, options);
-    if (options == v8::ScriptCompiler::kProduceDataToCache) {
-        const v8::ScriptCompiler::CachedData* newCachedData = source.GetCachedData();
-        if (newCachedData) {
-            // Ownership of the buffer is not transferred; source's cachedData continues to own it.
-            resource->setCachedMetadata(dataTypeID, reinterpret_cast<const char*>(newCachedData->data), newCachedData->length);
-        }
-    }
-    return script;
-}
-
-v8::Local<v8::Value> V8ScriptRunner::runCompiledScript(v8::Handle<v8::Script> script, ExecutionContext* context, v8::Isolate* isolate)
-{
-    if (script.IsEmpty())
-        return v8::Local<v8::Value>();
-    TRACE_EVENT_SCOPED_SAMPLING_STATE("v8", "V8Execution");
-    TRACE_EVENT1("v8", "v8.run", "fileName", TRACE_STR_COPY(*v8::String::Utf8Value(script->GetUnboundScript()->GetScriptName())));
-
-    if (V8RecursionScope::recursionLevel(isolate) >= kMaxRecursionDepth)
-        return handleMaxRecursionDepthExceeded(isolate);
-
-    RELEASE_ASSERT(!context->isIteratingOverObservers());
-
-    // Run the script and keep track of the current recursion depth.
-    v8::Local<v8::Value> result;
-    {
-        V8RecursionScope recursionScope(isolate, context);
-        result = script->Run();
-    }
-
-    if (result.IsEmpty())
-        return v8::Local<v8::Value>();
-
-    crashIfV8IsDead();
-    return result;
-}
-
-v8::Local<v8::Value> V8ScriptRunner::compileAndRunInternalScript(v8::Handle<v8::String> source, v8::Isolate* isolate, const String& fileName, const TextPosition& scriptStartPosition)
-{
-    TRACE_EVENT0("v8", "v8.run");
-    TRACE_EVENT_SCOPED_SAMPLING_STATE("v8", "V8Execution");
-    v8::Handle<v8::Script> script = V8ScriptRunner::compileScript(source, fileName, scriptStartPosition, 0, isolate);
-    if (script.IsEmpty())
-        return v8::Local<v8::Value>();
-
-    V8RecursionScope::MicrotaskSuppression recursionScope(isolate);
-    v8::Local<v8::Value> result = script->Run();
-    crashIfV8IsDead();
-    return result;
-}
-
-v8::Local<v8::Value> V8ScriptRunner::callFunction(v8::Handle<v8::Function> function, ExecutionContext* context, v8::Handle<v8::Value> receiver, int argc, v8::Handle<v8::Value> args[], v8::Isolate* isolate)
-{
-    TRACE_EVENT0("v8", "v8.callFunction");
-    TRACE_EVENT_SCOPED_SAMPLING_STATE("v8", "V8Execution");
-
-    if (V8RecursionScope::recursionLevel(isolate) >= kMaxRecursionDepth)
-        return handleMaxRecursionDepthExceeded(isolate);
-
-    RELEASE_ASSERT(!context->isIteratingOverObservers());
-
-    V8RecursionScope recursionScope(isolate, context);
-    v8::Local<v8::Value> result = function->Call(receiver, argc, args);
-    crashIfV8IsDead();
-    return result;
-}
-
-v8::Local<v8::Value> V8ScriptRunner::callInternalFunction(v8::Handle<v8::Function> function, v8::Handle<v8::Value> receiver, int argc, v8::Handle<v8::Value> args[], v8::Isolate* isolate)
-{
-    TRACE_EVENT0("v8", "v8.callFunction");
-    TRACE_EVENT_SCOPED_SAMPLING_STATE("v8", "V8Execution");
-    V8RecursionScope::MicrotaskSuppression recursionScope(isolate);
-    v8::Local<v8::Value> result = function->Call(receiver, argc, args);
-    crashIfV8IsDead();
-    return result;
-}
-
-v8::Local<v8::Value> V8ScriptRunner::callAsFunction(v8::Isolate* isolate, v8::Handle<v8::Object> object, v8::Handle<v8::Value> receiver, int argc, v8::Handle<v8::Value> args[])
-{
-    TRACE_EVENT0("v8", "v8.callFunction");
-    TRACE_EVENT_SCOPED_SAMPLING_STATE("v8", "V8Execution");
-
-    V8RecursionScope::MicrotaskSuppression recursionScope(isolate);
-    v8::Local<v8::Value> result = object->CallAsFunction(receiver, argc, args);
-    crashIfV8IsDead();
-    return result;
-}
-
-v8::Local<v8::Object> V8ScriptRunner::instantiateObject(v8::Isolate* isolate, v8::Handle<v8::ObjectTemplate> objectTemplate)
-{
-    TRACE_EVENT0("v8", "v8.newInstance");
-    TRACE_EVENT_SCOPED_SAMPLING_STATE("v8", "V8Execution");
-
-    V8RecursionScope::MicrotaskSuppression scope(isolate);
-    v8::Local<v8::Object> result = objectTemplate->NewInstance();
-    crashIfV8IsDead();
-    return result;
-}
-
-v8::Local<v8::Object> V8ScriptRunner::instantiateObject(v8::Isolate* isolate, v8::Handle<v8::Function> function, int argc, v8::Handle<v8::Value> argv[])
-{
-    TRACE_EVENT0("v8", "v8.newInstance");
-    TRACE_EVENT_SCOPED_SAMPLING_STATE("v8", "V8Execution");
-
-    V8RecursionScope::MicrotaskSuppression scope(isolate);
-    v8::Local<v8::Object> result = function->NewInstance(argc, argv);
-    crashIfV8IsDead();
-    return result;
-}
-
-v8::Local<v8::Object> V8ScriptRunner::instantiateObjectInDocument(v8::Isolate* isolate, v8::Handle<v8::Function> function, ExecutionContext* context, int argc, v8::Handle<v8::Value> argv[])
-{
-    TRACE_EVENT0("v8", "v8.newInstance");
-    TRACE_EVENT_SCOPED_SAMPLING_STATE("v8", "V8Execution");
-    V8RecursionScope scope(isolate, context);
-    v8::Local<v8::Object> result = function->NewInstance(argc, argv);
-    crashIfV8IsDead();
-    return result;
-}
-
-} // namespace WebCore