| | 1 | /* |
| | 2 | * Copyright (C) 2009 Apple 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 |
| | 6 | * are met: |
| | 7 | * 1. Redistributions of source code must retain the above copyright |
| | 8 | * notice, this list of conditions and the following disclaimer. |
| | 9 | * 2. Redistributions in binary form must reproduce the above copyright |
| | 10 | * notice, this list of conditions and the following disclaimer in the |
| | 11 | * documentation and/or other materials provided with the distribution. |
| | 12 | * |
| | 13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| | 14 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| | 15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| | 16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| | 17 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| | 18 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| | 19 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| | 20 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| | 21 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| | 22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| | 23 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| | 24 | */ |
| | 25 | |
| | 26 | #ifndef CachedCall_h |
| | 27 | #define CachedCall_h |
| | 28 | |
| | 29 | #include "CallFrameClosure.h" |
| | 30 | #include "JSFunction.h" |
| | 31 | #include "JSGlobalObject.h" |
| | 32 | #include "Interpreter.h" |
| | 33 | |
| | 34 | namespace JSC { |
| | 35 | class CachedCall { |
| | 36 | WTF_MAKE_NONCOPYABLE(CachedCall); WTF_MAKE_FAST_ALLOCATED; |
| | 37 | public: |
| | 38 | CachedCall(CallFrame* callFrame, JSFunction* function, int argumentCount) |
| | 39 | : m_valid(false) |
| | 40 | , m_interpreter(callFrame->interpreter()) |
| | 41 | , m_globalObjectScope(callFrame->globalData(), function->scope()->globalObject.get()) |
| | 42 | { |
| | 43 | ASSERT(!function->isHostFunction()); |
| | 44 | m_closure = m_interpreter->prepareForRepeatCall(function->jsExecutable(), callFrame, function, argumentCount + 1, function->scope()); |
| | 45 | m_valid = !callFrame->hadException(); |
| | 46 | } |
| | 47 | |
| | 48 | JSValue call() |
| | 49 | { |
| | 50 | ASSERT(m_valid); |
| | 51 | return m_interpreter->execute(m_closure); |
| | 52 | } |
| | 53 | void setThis(JSValue v) { m_closure.setThis(v); } |
| | 54 | void setArgument(int n, JSValue v) { m_closure.setArgument(n, v); } |
| | 55 | |
| | 56 | CallFrame* newCallFrame(ExecState* exec) |
| | 57 | { |
| | 58 | CallFrame* callFrame = m_closure.newCallFrame; |
| | 59 | callFrame->setScopeChain(exec->scopeChain()); |
| | 60 | return callFrame; |
| | 61 | } |
| | 62 | |
| | 63 | ~CachedCall() |
| | 64 | { |
| | 65 | if (m_valid) |
| | 66 | m_interpreter->endRepeatCall(m_closure); |
| | 67 | } |
| | 68 | |
| | 69 | private: |
| | 70 | bool m_valid; |
| | 71 | Interpreter* m_interpreter; |
| | 72 | DynamicGlobalObjectScope m_globalObjectScope; |
| | 73 | CallFrameClosure m_closure; |
| | 74 | }; |
| | 75 | } |
| | 76 | |
| | 77 | #endif |
projects / apple / javascriptcore.git / blame_incremental