| /* |
| * Copyright (C) 2009 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 CachedCall_h |
| #define CachedCall_h |
| |
| #include "CallFrameClosure.h" |
| #include "JSFunction.h" |
| #include "JSGlobalObject.h" |
| #include "Interpreter.h" |
| |
| namespace JSC { |
| class CachedCall { |
| WTF_MAKE_NONCOPYABLE(CachedCall); WTF_MAKE_FAST_ALLOCATED; |
| public: |
| CachedCall(CallFrame* callFrame, JSFunction* function, int argumentCount) |
| : m_valid(false) |
| , m_interpreter(callFrame->interpreter()) |
| , m_globalObjectScope(callFrame->globalData(), function->scope()->globalObject()) |
| { |
| ASSERT(!function->isHostFunction()); |
| m_closure = m_interpreter->prepareForRepeatCall(function->jsExecutable(), callFrame, function, argumentCount + 1, function->scope()); |
| m_valid = !callFrame->hadException(); |
| } |
| |
| JSValue call() |
| { |
| ASSERT(m_valid); |
| return m_interpreter->execute(m_closure); |
| } |
| void setThis(JSValue v) { m_closure.setThis(v); } |
| void setArgument(int n, JSValue v) { m_closure.setArgument(n, v); } |
| |
| CallFrame* newCallFrame(ExecState* exec) |
| { |
| CallFrame* callFrame = m_closure.newCallFrame; |
| callFrame->setScope(exec->scope()); |
| return callFrame; |
| } |
| |
| ~CachedCall() |
| { |
| if (m_valid) |
| m_interpreter->endRepeatCall(m_closure); |
| } |
| |
| private: |
| bool m_valid; |
| Interpreter* m_interpreter; |
| DynamicGlobalObjectScope m_globalObjectScope; |
| CallFrameClosure m_closure; |
| }; |
| } |
| |
| #endif |