dmcallis
65a0592776
Source code drop for the Actionscript virtual machine in the Adobe Flash Player for December 2013
78 lines
2.4 KiB
C++
78 lines
2.4 KiB
C++
/* -*- Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 4 -*- */
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/* vi: set ts=4 sw=4 expandtab: (add to ~/.vimrc: set modeline modelines=5) */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "avmplus.h"
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namespace avm {
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using avmplus::Atom;
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using avmplus::CodeContext;
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using avmplus::MethodEnv;
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using avmplus::ScriptObject;
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using avmplus::Toplevel;
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// you probably don't want to open this namespace.
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// using namespace avmplus;
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bool isFunction(const ScriptObject* so)
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{
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return so && so->core()->isFunction(so->atom());
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}
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CodeContext* getFunctionCodeContext(const ScriptObject* so)
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{
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if (!isFunction(so)) {
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AvmAssert(!"Only Function is legal here.");
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return NULL;
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}
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// CodeContext* cc = ((avmplus::FunctionObject*)so)->getFunctionCodeContext();
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// getFunctionCodeContext() has been temporarily relocated to ScriptObject, as AIR defines
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// some classes that are subclasses of Function (in AS3) but not of FunctionObject (in C++)...
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avmplus::CodeContext* cc = ((avmplus::ScriptObject*)so)->getFunctionCodeContext();
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return cc;
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}
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CodeContext* getClassCodeContext(const ScriptObject* so)
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{
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if (!so)
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return NULL;
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if (so->core()->isFunction(so->atom())) {
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AvmAssert(!"Function or MC is not legal here.");
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return NULL;
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}
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avmplus::TraitsPosType t = so->traits()->posType();
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if (t == avmplus::TRAITSTYPE_CATCH || t == avmplus::TRAITSTYPE_ACTIVATION) {
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AvmAssert(!"Activation and Catch objects are not legal here.");
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return NULL;
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}
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MethodEnv* init = so->vtable->init;
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if (!init) {
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AvmAssert(!"init method is null, should not be possible.");
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return NULL;
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}
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return init->scope()->abcEnv()->codeContext();
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}
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Atom callFunction(Toplevel* toplevel, Atom f, int argc, Atom* args)
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{
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return avmplus::op_call(toplevel, f, argc, args);
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}
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Atom callFunction(ScriptObject* f, int argc, Atom* args)
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{
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AvmAssertMsg(f != NULL, "f must not be null. Use callFunction(toplevel, atom, ...) form");
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return f->call(argc, args);
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}
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Atom callFunction(ScriptObject* f)
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{
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AvmAssertMsg(f != NULL, "f must not be null. Use callFunction(toplevel, atom, ...) form");
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Atom args[] = { nullObjectAtom };
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return f->call(0, args);
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}
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} // namespace avm
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