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1 | /* | |
2 | * Copyright (C) 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 | #include "config.h" | |
27 | #include "ProtoCallFrame.h" | |
28 | ||
29 | #include "CodeBlock.h" | |
30 | #include "JSCInlines.h" | |
31 | #include "StackAlignment.h" | |
32 | ||
33 | namespace JSC { | |
34 | ||
35 | void ProtoCallFrame::init(CodeBlock* codeBlock, JSScope* scope, JSObject* callee, JSValue thisValue, int argCountIncludingThis, JSValue* otherArgs) | |
36 | { | |
37 | this->args = otherArgs; | |
38 | this->setCodeBlock(codeBlock); | |
39 | this->setScope(scope); | |
40 | this->setCallee(callee); | |
41 | this->setArgumentCountIncludingThis(argCountIncludingThis); | |
42 | size_t paddedArgsCount = argCountIncludingThis; | |
43 | if (codeBlock) { | |
44 | size_t numParameters = codeBlock->numParameters(); | |
45 | if (paddedArgsCount < numParameters) | |
46 | paddedArgsCount = numParameters; | |
47 | } | |
48 | // Round up paddedArgsCount to keep the stack frame size aligned. | |
49 | paddedArgsCount = roundArgumentCountToAlignFrame(paddedArgsCount); | |
50 | this->setPaddedArgCount(paddedArgsCount); | |
51 | this->clearCurrentVPC(); | |
52 | this->setThisValue(thisValue); | |
53 | } | |
54 | ||
55 | } // namespace JSC |