103 lines
4.0 KiB
C++
103 lines
4.0 KiB
C++
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1 (the
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* "License"); you may not use this file except in compliance with the License. You may obtain
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* a copy of the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
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* WARRANTY OF ANY KIND, either express or implied. See the License for the specific
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* language governing rights and limitations under the License.
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*
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* The Original Code is [Open Source Virtual Machine.]
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*
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* The Initial Developer of the Original Code is Adobe System Incorporated. Portions created
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* by the Initial Developer are Copyright (C)[ 2004-2006 ] Adobe Systems Incorporated. All Rights
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* Reserved.
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*
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* Contributor(s): Adobe AS3 Team
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*
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* Alternatively, the contents of this file may be used under the terms of either the GNU
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* General Public License Version 2 or later (the "GPL"), or the GNU Lesser General Public
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* License Version 2.1 or later (the "LGPL"), in which case the provisions of the GPL or the
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* LGPL are applicable instead of those above. If you wish to allow use of your version of this
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* file only under the terms of either the GPL or the LGPL, and not to allow others to use your
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* version of this file under the terms of the MPL, indicate your decision by deleting provisions
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* above and replace them with the notice and other provisions required by the GPL or the
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* LGPL. If you do not delete the provisions above, a recipient may use your version of this file
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* under the terms of any one of the MPL, the GPL or the LGPL.
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*
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***** END LICENSE BLOCK ***** */
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#include "avmplus.h"
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namespace avmplus
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{
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BEGIN_NATIVE_MAP(FunctionClass)
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NATIVE_METHOD2(Function_prototype_get,
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(NativeMethod::GetHandler)&ClassClosure::get_prototype)
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NATIVE_METHOD2(Function_prototype_set,
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(NativeMethod::SetHandler)&ClassClosure::set_prototype)
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NATIVE_METHOD2(Function_AS3_call, &ScriptObject::function_call)
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NATIVE_METHOD2(Function_AS3_apply, &ScriptObject::function_apply)
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NATIVE_METHOD2(Function_length_get, &ClassClosure::get_length)
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END_NATIVE_MAP()
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FunctionClass::FunctionClass(VTable* cvtable)
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: ClassClosure(cvtable)
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{
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Toplevel* toplevel = this->toplevel();
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toplevel->functionClass = this;
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AvmAssert(traits()->sizeofInstance == sizeof(FunctionClass));
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prototype = createEmptyFunction();
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prototype->setDelegate(toplevel->objectClass->prototype);
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//
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// now that Object, Class, and Function are initialized, we
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// can set up Object.prototype. other classes will init normally.
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//
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// init Object prototype
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toplevel->objectClass->initPrototype();
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}
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// Function called as constructor ... not supported from user code
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// this = argv[0] (ignored)
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// arg1 = argv[1]
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// argN = argv[argc]
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Atom FunctionClass::construct(int argc, Atom* /*argv*/)
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{
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// ISSUE do we need an exception here?
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// cn: if argc is 0, this is harmless and we have to return an anonymous
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// function that itself if its > 0, then we can't support it
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/*
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from ECMA 327 5.1 Runtime Compilation
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An implementation that does not support global eval() or calling Function as a function or constructor
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SHALL throw an EvalError exception whenever global eval() (ES3 section 15.1.2.1), Function(p1,
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p2, ..., pn, body) (ES3 section 15.3.1.1), or new Function(p1, p2, ..., pn, body) (ES3 section 15.3.2.1) is
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called.
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*/
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if (argc != 0)
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{
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toplevel()->evalErrorClass()->throwError(kFunctionConstructorError);
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}
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return createEmptyFunction()->atom();
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}
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ClassClosure* FunctionClass::createEmptyFunction()
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{
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// invoke AS3 private static function emptyCtor, which returns an empty function.
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Binding b = traits()->getName(core()->constantString("emptyCtor"));
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MethodEnv *f = vtable->methods[AvmCore::bindingToMethodId(b)];
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Atom args[1] = { this->atom() };
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return (ClassClosure*)AvmCore::atomToScriptObject(f->coerceEnter(0,args));
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}
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}
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