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Diffstat (limited to 'Source/JavaScriptCore/runtime/Exception.h')
-rw-r--r-- | Source/JavaScriptCore/runtime/Exception.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/runtime/Exception.h b/Source/JavaScriptCore/runtime/Exception.h new file mode 100644 index 000000000..491cb4994 --- /dev/null +++ b/Source/JavaScriptCore/runtime/Exception.h @@ -0,0 +1,80 @@ +/* + * Copyright (C) 2015 Apple 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. ``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 + * 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 Exception_h +#define Exception_h + +#include "Interpreter.h" +#include <wtf/RefCountedArray.h> + +namespace JSC { + +class Exception : public JSNonFinalObject { +public: + typedef JSNonFinalObject Base; + static const unsigned StructureFlags = StructureIsImmortal | Base::StructureFlags; + + enum StackCaptureAction { + CaptureStack, + DoNotCaptureStack + }; + JS_EXPORT_PRIVATE static Exception* create(VM&, JSValue thrownValue, StackCaptureAction = CaptureStack); + + static const bool needsDestruction = true; + static void destroy(JSCell*); + + static Structure* createStructure(VM&, JSGlobalObject*, JSValue prototype); + + static void visitChildren(JSCell*, SlotVisitor&); + + DECLARE_EXPORT_INFO; + + static ptrdiff_t valueOffset() + { + return OBJECT_OFFSETOF(Exception, m_value); + } + + JSValue value() const { return m_value.get(); } + const RefCountedArray<StackFrame>& stack() const { return m_stack; } + + bool didNotifyInspectorOfThrow() const { return m_didNotifyInspectorOfThrow; } + void setDidNotifyInspectorOfThrow() { m_didNotifyInspectorOfThrow = true; } + + ~Exception(); + +private: + Exception(VM&); + void finishCreation(VM&, JSValue thrownValue, StackCaptureAction); + + WriteBarrier<Unknown> m_value; + RefCountedArray<StackFrame> m_stack; + bool m_didNotifyInspectorOfThrow { false }; + + friend class LLIntOffsetsExtractor; +}; + +} // namespace JSC + +#endif // Exception_h |