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Unified Diff: Source/bindings/v8/V8RecursionScope.h

Issue 351423002: Moved files under Source/bindings/v8 to Source/bindings/core/v8. (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 6 years, 6 months ago
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Index: Source/bindings/v8/V8RecursionScope.h
diff --git a/Source/bindings/v8/V8RecursionScope.h b/Source/bindings/v8/V8RecursionScope.h
deleted file mode 100644
index a73d93a8dc07192e24424610f35049566ba538bc..0000000000000000000000000000000000000000
--- a/Source/bindings/v8/V8RecursionScope.h
+++ /dev/null
@@ -1,126 +0,0 @@
-/*
- * Copyright (C) 2011 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.
- */
-
-#ifndef V8RecursionScope_h
-#define V8RecursionScope_h
-
-#include "bindings/v8/V8PerIsolateData.h"
-#include "core/dom/ExecutionContext.h"
-#include "core/dom/ScriptForbiddenScope.h"
-#include "wtf/Noncopyable.h"
-#include <v8.h>
-
-namespace WebCore {
-
-// C++ calls into script contexts which are "owned" by WebKit (created in a
-// process where WebKit.cpp initializes v8) must declare their type:
-//
-// 1. Calls into page/author script from a frame
-// 2. Calls into page/author script from a worker
-// 3. Calls into internal script (typically setup/teardown work)
-//
-// Debug-time checking of this is enforced via this class.
-//
-// Calls of type (1) should generally go through ScriptController, as inspector
-// instrumentation is needed. ScriptController allocates V8RecursionScope for you.
-// Calls of type (2) should always stack-allocate a V8RecursionScope in the same
-// block as the call into script. Calls of type (3) should stack allocate a
-// V8RecursionScope::MicrotaskSuppression -- this skips work that is spec'd to
-// happen at the end of the outer-most script stack frame of calls into page script:
-//
-// http://www.whatwg.org/specs/web-apps/current-work/#perform-a-microtask-checkpoint
-class V8RecursionScope {
- WTF_MAKE_NONCOPYABLE(V8RecursionScope);
-public:
- V8RecursionScope(v8::Isolate* isolate, ExecutionContext* context)
- : m_isolate(isolate)
- , m_executionContext(*context)
- {
- V8PerIsolateData::from(m_isolate)->incrementRecursionLevel();
- ASSERT(!ScriptForbiddenScope::isScriptForbidden());
- // If you want V8 to autorun microtasks, this class needs to have a
- // v8::Isolate::SuppressMicrotaskExecutionScope member.
- ASSERT(!isolate->WillAutorunMicrotasks());
- }
-
- ~V8RecursionScope()
- {
- if (!V8PerIsolateData::from(m_isolate)->decrementRecursionLevel())
- didLeaveScriptContext();
- }
-
- static int recursionLevel(v8::Isolate* isolate)
- {
- return V8PerIsolateData::from(isolate)->recursionLevel();
- }
-
-#ifndef NDEBUG
- static bool properlyUsed(v8::Isolate* isolate)
- {
- return recursionLevel(isolate) > 0 || V8PerIsolateData::from(isolate)->internalScriptRecursionLevel() > 0;
- }
-#endif
-
- class MicrotaskSuppression {
- public:
- MicrotaskSuppression(v8::Isolate* isolate)
-#ifndef NDEBUG
- : m_isolate(isolate)
-#endif
- {
- ASSERT(!ScriptForbiddenScope::isScriptForbidden());
-#ifndef NDEBUG
- V8PerIsolateData::from(m_isolate)->incrementInternalScriptRecursionLevel();
-#endif
- }
-
- ~MicrotaskSuppression()
- {
-#ifndef NDEBUG
- V8PerIsolateData::from(m_isolate)->decrementInternalScriptRecursionLevel();
-#endif
- }
-
- private:
-#ifndef NDEBUG
- v8::Isolate* m_isolate;
-#endif
- };
-
-private:
- void didLeaveScriptContext();
-
- v8::Isolate* m_isolate;
- ExecutionContext& m_executionContext;
-};
-
-} // namespace WebCore
-
-#endif // V8RecursionScope_h
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