JavaScriptCore-7601.1.46.3.tar.gz

[apple/javascriptcore.git] / runtime / Exception.cpp

diff --git a/runtime/Exception.cpp b/runtime/Exception.cpp
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+/*
+ * 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.
+ */
+
+#include "config.h"
+#include "Exception.h"
+
+#include "JSCInlines.h"
+
+namespace JSC {
+
+const ClassInfo Exception::s_info = { "Exception", &Base::s_info, 0, CREATE_METHOD_TABLE(Exception) };
+
+Exception* Exception::create(VM& vm, JSValue thrownValue, StackCaptureAction action)
+{
+    Exception* result = new (NotNull, allocateCell<Exception>(vm.heap)) Exception(vm);
+    result->finishCreation(vm, thrownValue, action);
+    return result;
+}
+
+void Exception::destroy(JSCell* cell)
+{
+    Exception* exception = static_cast<Exception*>(cell);
+    exception->~Exception();
+}
+
+Structure* Exception::createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
+{
+    return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info());
+}
+
+void Exception::visitChildren(JSCell* cell, SlotVisitor& visitor)
+{
+    Exception* thisObject = jsCast<Exception*>(cell);
+    ASSERT_GC_OBJECT_INHERITS(thisObject, info());
+    Base::visitChildren(thisObject, visitor);
+
+    visitor.append(&thisObject->m_value);
+}
+
+Exception::Exception(VM& vm)
+    : Base(vm, vm.exceptionStructure.get())
+{
+}
+
+Exception::~Exception()
+{
+}
+
+void Exception::finishCreation(VM& vm, JSValue thrownValue, StackCaptureAction action)
+{
+    Base::finishCreation(vm);
+
+    m_value.set(vm, this, thrownValue);
+
+    Vector<StackFrame> stackTrace;
+    if (action == StackCaptureAction::CaptureStack)
+        vm.interpreter->getStackTrace(stackTrace);
+    m_stack = RefCountedArray<StackFrame>(stackTrace);
+}
+
+} // namespace JSC