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| 1 /* | |
| 2 * Copyright (C) 2013 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #include "config.h" | |
| 32 #include "bindings/v8/ScriptPreprocessor.h" | |
| 33 | |
| 34 #include "bindings/v8/ScriptController.h" | |
| 35 #include "bindings/v8/ScriptSourceCode.h" | |
| 36 #include "bindings/v8/ScriptValue.h" | |
| 37 #include "bindings/v8/V8Binding.h" | |
| 38 #include "bindings/v8/V8ScriptRunner.h" | |
| 39 #include "core/frame/FrameConsole.h" | |
| 40 #include "core/frame/FrameHost.h" | |
| 41 #include "core/frame/LocalFrame.h" | |
| 42 #include "wtf/TemporaryChange.h" | |
| 43 | |
| 44 namespace WebCore { | |
| 45 | |
| 46 ScriptPreprocessor::ScriptPreprocessor(const ScriptSourceCode& preprocessorSourc
eCode, LocalFrame* frame) | |
| 47 : m_isPreprocessing(false) | |
| 48 { | |
| 49 RefPtr<DOMWrapperWorld> world = DOMWrapperWorld::ensureIsolatedWorld(ScriptP
reprocessorIsolatedWorldId, DOMWrapperWorld::mainWorldExtensionGroup); | |
| 50 m_scriptState = ScriptState::from(toV8Context(frame, *world)); | |
| 51 | |
| 52 v8::HandleScope handleScope(m_scriptState->isolate()); | |
| 53 ASSERT(frame); | |
| 54 v8::TryCatch tryCatch; | |
| 55 tryCatch.SetVerbose(true); | |
| 56 Vector<ScriptSourceCode> sources; | |
| 57 sources.append(preprocessorSourceCode); | |
| 58 Vector<v8::Local<v8::Value> > scriptResults; | |
| 59 frame->script().executeScriptInIsolatedWorld(ScriptPreprocessorIsolatedWorld
Id, sources, DOMWrapperWorld::mainWorldExtensionGroup, &scriptResults); | |
| 60 | |
| 61 if (scriptResults.size() != 1) { | |
| 62 frame->console().addMessage(JSMessageSource, ErrorMessageLevel, "ScriptP
reprocessor internal error, one ScriptSourceCode must give exactly one result.")
; | |
| 63 return; | |
| 64 } | |
| 65 | |
| 66 v8::Local<v8::Value> preprocessorFunction = scriptResults[0]; | |
| 67 if (preprocessorFunction.IsEmpty() || !preprocessorFunction->IsFunction()) { | |
| 68 frame->console().addMessage(JSMessageSource, ErrorMessageLevel, "The pre
processor must compile to a function."); | |
| 69 return; | |
| 70 } | |
| 71 m_preprocessorFunction.set(m_scriptState->isolate(), v8::Handle<v8::Function
>::Cast(preprocessorFunction)); | |
| 72 } | |
| 73 | |
| 74 String ScriptPreprocessor::preprocessSourceCode(const String& sourceCode, const
String& sourceName) | |
| 75 { | |
| 76 if (!isValid()) | |
| 77 return sourceCode; | |
| 78 | |
| 79 return preprocessSourceCode(sourceCode, sourceName, v8::Undefined(m_scriptSt
ate->isolate())); | |
| 80 } | |
| 81 | |
| 82 String ScriptPreprocessor::preprocessSourceCode(const String& sourceCode, const
String& sourceName, const String& functionName) | |
| 83 { | |
| 84 if (!isValid()) | |
| 85 return sourceCode; | |
| 86 | |
| 87 v8::Handle<v8::String> functionNameString = v8String(m_scriptState->isolate(
), functionName); | |
| 88 return preprocessSourceCode(sourceCode, sourceName, functionNameString); | |
| 89 } | |
| 90 | |
| 91 String ScriptPreprocessor::preprocessSourceCode(const String& sourceCode, const
String& sourceName, v8::Handle<v8::Value> functionName) | |
| 92 { | |
| 93 if (!isValid()) | |
| 94 return sourceCode; | |
| 95 | |
| 96 v8::Isolate* isolate = m_scriptState->isolate(); | |
| 97 ScriptState::Scope scope(m_scriptState.get()); | |
| 98 | |
| 99 v8::Handle<v8::String> sourceCodeString = v8String(isolate, sourceCode); | |
| 100 v8::Handle<v8::String> sourceNameString = v8String(isolate, sourceName); | |
| 101 v8::Handle<v8::Value> argv[] = { sourceCodeString, sourceNameString, functio
nName}; | |
| 102 | |
| 103 v8::TryCatch tryCatch; | |
| 104 tryCatch.SetVerbose(true); | |
| 105 TemporaryChange<bool> isPreprocessing(m_isPreprocessing, true); | |
| 106 v8::Handle<v8::Value> resultValue = V8ScriptRunner::callAsFunction(isolate,
m_preprocessorFunction.newLocal(isolate), m_scriptState->context()->Global(), WT
F_ARRAY_LENGTH(argv), argv); | |
| 107 | |
| 108 if (!resultValue.IsEmpty() && resultValue->IsString()) | |
| 109 return toCoreStringWithNullCheck(resultValue.As<v8::String>()); | |
| 110 | |
| 111 return sourceCode; | |
| 112 } | |
| 113 | |
| 114 } // namespace WebCore | |
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Chromium Code Reviews
Issue 351423002:
Moved files under Source/bindings/v8 to Source/bindings/core/v8. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk