218 lines
6.9 KiB
C++
218 lines
6.9 KiB
C++
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is [Open Source Virtual Machine.].
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Adobe System Incorporated.
|
|
* Portions created by the Initial Developer are Copyright (C) 2004-2006
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Adobe AS3 Team
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#ifndef __avmplus_ScriptObject__
|
|
#define __avmplus_ScriptObject__
|
|
|
|
|
|
namespace avmplus
|
|
{
|
|
#ifdef DEBUGGER
|
|
class GCHashtableScriptObject;
|
|
#endif
|
|
/**
|
|
* one actionscript object. might or might not be a function.
|
|
* Base class for all objects visible to script code.
|
|
*/
|
|
class ScriptObject : public AvmPlusScriptableObject
|
|
{
|
|
private:
|
|
#ifdef AVMPLUS_MIR
|
|
friend class CodegenMIR;
|
|
#endif
|
|
|
|
public:
|
|
VTable* const vtable;
|
|
|
|
ScriptObject(VTable* vtable, ScriptObject* delegate,
|
|
int capacity = Hashtable::kDefaultCapacity);
|
|
~ScriptObject();
|
|
|
|
ScriptObject* getDelegate() const { return delegate; }
|
|
void setDelegate(ScriptObject *d) { WBRC(MMgc::GC::GetGC(this), this, &delegate, d); }
|
|
|
|
Atom atom() const {
|
|
return kObjectType|(uintptr)this;
|
|
}
|
|
|
|
virtual Atom toAtom() const {
|
|
return atom();
|
|
}
|
|
|
|
Traits* traits() const {
|
|
return vtable->traits;
|
|
}
|
|
|
|
AvmCore* core() const {
|
|
return vtable->traits->core;
|
|
}
|
|
|
|
MMgc::GC* gc() const {
|
|
return core()->GetGC();
|
|
}
|
|
|
|
Toplevel* toplevel() const {
|
|
return vtable->toplevel;
|
|
}
|
|
|
|
DomainEnv* domainEnv() const {
|
|
return vtable->abcEnv->domainEnv;
|
|
}
|
|
|
|
virtual Hashtable* getTable() const {
|
|
AvmAssert(vtable->traits->hashTableOffset != -1);
|
|
return (Hashtable*)((byte*)this+vtable->traits->hashTableOffset);
|
|
}
|
|
|
|
bool isValidDynamicName(Multiname* m) const {
|
|
return m->contains(core()->publicNamespace) && !m->isAnyName() && !m->isAttr();
|
|
}
|
|
|
|
Atom getSlotAtom(int slot);
|
|
void setSlotAtom(int slot, Atom atom);
|
|
|
|
virtual Atom getDescendants(Multiname* name) const;
|
|
|
|
// argv[0] = receiver
|
|
virtual Atom callProperty(Multiname* name, int argc, Atom* argv);
|
|
virtual Atom constructProperty(Multiname* name, int argc, Atom* argv);
|
|
|
|
// common set/set/has/delete/etc virtual methods renamed to explicitly name the expected arg types,
|
|
// to avoid potentially hidden virtual functions
|
|
virtual Atom getAtomProperty(Atom name) const;
|
|
virtual Atom getAtomPropertyFromProtoChain(Atom name, ScriptObject* protochain, Traits *origObjTraits) const;
|
|
virtual void setAtomProperty(Atom name, Atom value);
|
|
virtual bool deleteAtomProperty(Atom name);
|
|
virtual bool hasAtomProperty(Atom name) const;
|
|
virtual bool getAtomPropertyIsEnumerable(Atom name) const;
|
|
virtual void setAtomPropertyIsEnumerable(Atom name, bool enumerable);
|
|
|
|
virtual Atom getMultinameProperty(Multiname* name) const;
|
|
virtual void setMultinameProperty(Multiname* name, Atom value);
|
|
virtual bool deleteMultinameProperty(Multiname* name);
|
|
virtual bool hasMultinameProperty(Multiname* name) const;
|
|
|
|
virtual Atom getUintProperty(uint32 i) const;
|
|
virtual void setUintProperty(uint32 i, Atom value);
|
|
virtual bool delUintProperty(uint32 i);
|
|
virtual bool hasUintProperty(uint32 i) const;
|
|
|
|
// convenience wrappers for passing Stringp instead of Atom
|
|
// inline, not virtual (should never need overriding)
|
|
inline Atom getStringProperty(Stringp name) const
|
|
{
|
|
AvmAssert(name != NULL && name->isInterned());
|
|
return getAtomProperty(name->atom());
|
|
}
|
|
inline Atom getStringPropertyFromProtoChain(Stringp name, ScriptObject* protochain, Traits *origObjTraits) const
|
|
{
|
|
return getAtomPropertyFromProtoChain(name->atom(), protochain, origObjTraits);
|
|
}
|
|
inline void setStringProperty(Stringp name, Atom value)
|
|
{
|
|
setAtomProperty(name->atom(), value);
|
|
}
|
|
inline bool deleteStringProperty(Stringp name)
|
|
{
|
|
return deleteAtomProperty(name->atom());
|
|
}
|
|
inline bool hasStringProperty(Stringp name) const
|
|
{
|
|
AvmAssert(name != NULL && name->isInterned());
|
|
return hasAtomProperty(name->atom());
|
|
}
|
|
inline bool getStringPropertyIsEnumerable(Stringp name) const
|
|
{
|
|
AvmAssert(name != NULL && name->isInterned());
|
|
return getAtomPropertyIsEnumerable(name->atom());
|
|
}
|
|
inline void setStringPropertyIsEnumerable(Stringp name, bool enumerable)
|
|
{
|
|
setAtomPropertyIsEnumerable(name->atom(), enumerable);
|
|
}
|
|
|
|
virtual Atom defaultValue(); // ECMA [[DefaultValue]]
|
|
virtual Atom toString();
|
|
|
|
// argv[0] = receiver
|
|
virtual Atom call(int argc, Atom* argv);
|
|
|
|
// argv[0] = receiver(ignored)
|
|
virtual Atom construct(int argc, Atom* argv);
|
|
|
|
// TODO make this const
|
|
virtual Atom nextName(int index);
|
|
|
|
// TODO make this const
|
|
virtual Atom nextValue(int index);
|
|
|
|
// TODO make this const
|
|
virtual int nextNameIndex(int index);
|
|
|
|
// HACK; we need this so we can compare MethodClosures that
|
|
// have the same instance and method.
|
|
virtual bool isMethodClosure() { return false; }
|
|
|
|
virtual ScriptObject* createInstance(VTable* ivtable, ScriptObject* prototype);
|
|
|
|
Atom function_call(Atom thisAtom, Atom *argv, int argc);
|
|
Atom function_apply(Atom thisAtom, Atom argArray);
|
|
|
|
// The maximum integer key we can use with our ScriptObject
|
|
// HashTable must fit within 28 bits. Any integer larger
|
|
// than 28 bits will use a string key.
|
|
static const int MAX_INTEGER_MASK = 0xF0000000;
|
|
|
|
#ifdef AVMPLUS_VERBOSE
|
|
public:
|
|
virtual Stringp format(AvmCore* core) const;
|
|
#endif
|
|
private:
|
|
ScriptObject* delegate; // __proto__ in AS2, archetype in semantics
|
|
|
|
#ifdef DEBUGGER
|
|
public:
|
|
ScriptObject *getSlotIterator();
|
|
uint32 size() const;
|
|
Stringp getTypeName() const;
|
|
virtual MethodEnv *getCallMethodEnv() { return NULL; }
|
|
#endif
|
|
};
|
|
}
|
|
|
|
#endif /* __avmplus_ScriptObject__ */
|