DevTools: remove ScriptPreprocessor

Source/bindings/core/v8/ScriptPreprocessor.cpp

-/*
- * Copyright (C) 2013 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/v8/ScriptPreprocessor.h"
-
-#include "bindings/core/v8/ScriptController.h"
-#include "bindings/core/v8/ScriptSourceCode.h"
-#include "bindings/core/v8/ScriptValue.h"
-#include "bindings/core/v8/V8Binding.h"
-#include "bindings/core/v8/V8ScriptRunner.h"
-#include "core/frame/FrameConsole.h"
-#include "core/frame/FrameHost.h"
-#include "core/frame/LocalFrame.h"
-#include "core/inspector/ConsoleMessage.h"
-#include "wtf/TemporaryChange.h"
-
-namespace blink {
-
-ScriptPreprocessor::ScriptPreprocessor(v8::Isolate* isolate, const ScriptSourceCode& preprocessorSourceCode, LocalFrame* frame)
-    : m_isPreprocessing(false)
-{
-    RefPtr<DOMWrapperWorld> world = DOMWrapperWorld::ensureIsolatedWorld(isolate, ScriptPreprocessorIsolatedWorldId, DOMWrapperWorld::mainWorldExtensionGroup);
-    m_scriptState = ScriptState::from(toV8Context(frame, *world));
-
-    v8::HandleScope handleScope(m_scriptState->isolate());
-    ASSERT(frame);
-    v8::TryCatch tryCatch;
-    tryCatch.SetVerbose(true);
-    WillBeHeapVector<ScriptSourceCode> sources;
-    sources.append(preprocessorSourceCode);
-    Vector<v8::Local<v8::Value>> scriptResults;
-    frame->script().executeScriptInIsolatedWorld(ScriptPreprocessorIsolatedWorldId, sources, DOMWrapperWorld::mainWorldExtensionGroup, &scriptResults);
-
-    if (scriptResults.size() != 1) {
-        frame->console().addMessage(ConsoleMessage::create(JSMessageSource, ErrorMessageLevel, "ScriptPreprocessor internal error, one ScriptSourceCode must give exactly one result."));
-        return;
-    }
-
-    v8::Local<v8::Value> preprocessorFunction = scriptResults[0];
-    if (preprocessorFunction.IsEmpty() || !preprocessorFunction->IsFunction()) {
-        frame->console().addMessage(ConsoleMessage::create(JSMessageSource, ErrorMessageLevel, "The preprocessor must compile to a function."));
-        return;
-    }
-    m_preprocessorFunction.set(m_scriptState->isolate(), v8::Handle<v8::Function>::Cast(preprocessorFunction));
-}
-
-String ScriptPreprocessor::preprocessSourceCode(const String& sourceCode, const String& sourceName)
-{
-    if (!isValid())
-        return sourceCode;
-
-    return preprocessSourceCode(sourceCode, sourceName, v8::Undefined(m_scriptState->isolate()));
-}
-
-String ScriptPreprocessor::preprocessSourceCode(const String& sourceCode, const String& sourceName, const String& functionName)
-{
-    if (!isValid())
-        return sourceCode;
-
-    v8::Handle<v8::String> functionNameString = v8String(m_scriptState->isolate(), functionName);
-    return preprocessSourceCode(sourceCode, sourceName, functionNameString);
-}
-
-String ScriptPreprocessor::preprocessSourceCode(const String& sourceCode, const String& sourceName, v8::Handle<v8::Value> functionName)
-{
-    if (!isValid())
-        return sourceCode;
-
-    v8::Isolate* isolate = m_scriptState->isolate();
-    ScriptState::Scope scope(m_scriptState.get());
-
-    v8::Handle<v8::String> sourceCodeString = v8String(isolate, sourceCode);
-    v8::Handle<v8::String> sourceNameString = v8String(isolate, sourceName);
-    v8::Handle<v8::Value> argv[] = { sourceCodeString, sourceNameString, functionName};
-
-    v8::TryCatch tryCatch;
-    tryCatch.SetVerbose(true);
-    TemporaryChange<bool> isPreprocessing(m_isPreprocessing, true);
-    v8::Handle<v8::Value> resultValue = V8ScriptRunner::callAsFunction(isolate, m_preprocessorFunction.newLocal(isolate), m_scriptState->context()->Global(), WTF_ARRAY_LENGTH(argv), argv);
-
-    if (!resultValue.IsEmpty() && resultValue->IsString())
-        return toCoreStringWithNullCheck(resultValue.As<v8::String>());
-
-    return sourceCode;
-}
-
-} // namespace blink