| | 1 | /* |
| | 2 | * Copyright (C) 2009, 2013 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 "ExceptionHelpers.h" |
| | 31 | #include "JSFunction.h" |
| | 32 | #include "JSGlobalObject.h" |
| | 33 | #include "Interpreter.h" |
| | 34 | #include "ProtoCallFrame.h" |
| | 35 | #include "VMEntryScope.h" |
| | 36 | |
| | 37 | namespace JSC { |
| | 38 | class CachedCall { |
| | 39 | WTF_MAKE_NONCOPYABLE(CachedCall); WTF_MAKE_FAST_ALLOCATED; |
| | 40 | public: |
| | 41 | CachedCall(CallFrame* callFrame, JSFunction* function, int argumentCount) |
| | 42 | : m_valid(false) |
| | 43 | , m_interpreter(callFrame->interpreter()) |
| | 44 | , m_entryScope(callFrame->vm(), function->scope()->globalObject()) |
| | 45 | { |
| | 46 | ASSERT(!function->isHostFunctionNonInline()); |
| | 47 | if (callFrame->vm().isSafeToRecurse()) { |
| | 48 | m_arguments.resize(argumentCount); |
| | 49 | m_closure = m_interpreter->prepareForRepeatCall(function->jsExecutable(), callFrame, &m_protoCallFrame, function, argumentCount + 1, function->scope(), m_arguments.data()); |
| | 50 | } else |
| | 51 | throwStackOverflowError(callFrame); |
| | 52 | m_valid = !callFrame->hadException(); |
| | 53 | } |
| | 54 | |
| | 55 | JSValue call() |
| | 56 | { |
| | 57 | ASSERT(m_valid); |
| | 58 | return m_interpreter->execute(m_closure); |
| | 59 | } |
| | 60 | void setThis(JSValue v) { m_protoCallFrame.setThisValue(v); } |
| | 61 | void setArgument(int n, JSValue v) { m_protoCallFrame.setArgument(n, v); } |
| | 62 | |
| | 63 | private: |
| | 64 | bool m_valid; |
| | 65 | Interpreter* m_interpreter; |
| | 66 | VMEntryScope m_entryScope; |
| | 67 | ProtoCallFrame m_protoCallFrame; |
| | 68 | Vector<JSValue> m_arguments; |
| | 69 | CallFrameClosure m_closure; |
| | 70 | }; |
| | 71 | } |
| | 72 | |
| | 73 | #endif |
projects / apple / javascriptcore.git / blame_incremental