dmcallis
65a0592776
Source code drop for the Actionscript virtual machine in the Adobe Flash Player for December 2013
116 lines
3.7 KiB
C++
116 lines
3.7 KiB
C++
/* -*- Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 4 -*- */
|
|
/* vi: set ts=4 sw=4 expandtab: (add to ~/.vimrc: set modeline modelines=5) */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef __avmplus_FunctionClass__
|
|
#define __avmplus_FunctionClass__
|
|
|
|
|
|
namespace avmplus
|
|
{
|
|
/**
|
|
* class Function
|
|
*/
|
|
class GC_AS3_EXACT(FunctionClass, ClassClosure)
|
|
{
|
|
protected:
|
|
FunctionClass(VTable* cvtable);
|
|
public:
|
|
REALLY_INLINE static FunctionClass* create(MMgc::GC* gc, VTable* cvtable)
|
|
{
|
|
return new (gc, MMgc::kExact, cvtable->getExtraSize()) FunctionClass(cvtable);
|
|
}
|
|
|
|
Atom call(int argc, Atom* argv)
|
|
{
|
|
return construct(argc,argv);
|
|
}
|
|
|
|
// ------------------------ DATA SECTION BEGIN
|
|
private:
|
|
GC_NO_DATA(FunctionClass)
|
|
|
|
DECLARE_SLOTS_FunctionClass;
|
|
// ------------------------ DATA SECTION END
|
|
};
|
|
|
|
class GC_AS3_EXACT(FunctionObject, ClassClosure)
|
|
{
|
|
protected:
|
|
FunctionObject(VTable* cvtable, MethodEnv* call);
|
|
|
|
public:
|
|
REALLY_INLINE static FunctionObject* create(MMgc::GC* gc, VTable* vtable, MethodEnv* call)
|
|
{
|
|
return new (gc, MMgc::kExact, vtable->getExtraSize()) FunctionObject(vtable, call);
|
|
}
|
|
|
|
/** Implements ScriptObject::call called directly via ptr */
|
|
static Atom callFunction(FunctionObject*, int argc, Atom* argv);
|
|
|
|
// AS3 native methods
|
|
int32_t get_length();
|
|
Atom AS3_call(Atom thisAtom, Atom *argv, int argc);
|
|
Atom AS3_apply(Atom thisAtom, Atom argArray);
|
|
|
|
// ScriptObject method overrides
|
|
#if defined(DEBUGGER) || defined(VMCFG_AOT)
|
|
virtual MethodEnv* getCallMethodEnv();
|
|
#endif
|
|
virtual Atom call(int argc, Atom* argv); // overrides ClassClosure.call, ScriptObject.call
|
|
virtual CodeContext* getFunctionCodeContext() const;
|
|
virtual Stringp implToString() const;
|
|
protected:
|
|
virtual Atom get_coerced_receiver(Atom a) const; // called by AS3_call/apply
|
|
protected:
|
|
// returns MethodEnv to use for call, or null if none present.
|
|
// (see e.g. WeakMethodClosure for example overrides.)
|
|
virtual GCRef<MethodEnv> get_callEnv() const { return m_callEnv; }
|
|
private:
|
|
/** Implements get_coerced_receiver specifically for concrete FunctionObject instances */
|
|
Atom getFunctionReceiver(Atom a) const;
|
|
|
|
// ------------------------ DATA SECTION BEGIN
|
|
public:
|
|
FunctionProc m_call_ptr; // stub to directly invoke this function.
|
|
|
|
protected:
|
|
GC_DATA_BEGIN(FunctionObject)
|
|
private:
|
|
GCMember<MethodEnv> GC_POINTER(m_callEnv); // can be null (e.g. WeakMethodClosure)
|
|
GC_DATA_END(FunctionObject)
|
|
|
|
private:
|
|
DECLARE_SLOTS_FunctionObject;
|
|
// ------------------------ DATA SECTION END
|
|
};
|
|
}
|
|
|
|
namespace avm {
|
|
using avmplus::FunctionObject;
|
|
using avmplus::VTable;
|
|
using avmplus::ScriptObject;
|
|
|
|
/**
|
|
* A HostFunctionObject is the base class for all host-supplied classes that
|
|
* extend AS3 class Function. Their C++ class must extend FunctionObject via this wrapper.
|
|
*/
|
|
class HostFunctionObject: public FunctionObject {
|
|
public:
|
|
HostFunctionObject(VTable* vtable, ScriptObject* delegate);
|
|
|
|
/**
|
|
* callHostFunction() intercepts calls via m_call_ptr, then delegates back to the
|
|
* HostFunctionObject::call virtual function, because HostFunctionObjects do not use
|
|
* the FunctionProc / m_call_ptr protocol.
|
|
*/
|
|
static Atom callHostFunction(HostFunctionObject* f, int argc, Atom* args);
|
|
};
|
|
|
|
|
|
}
|
|
|
|
#endif /* __avmplus_FunctionClass__ */
|