jsobj.h

java script test programing source code

#define BUSY_BIT        ((jsatomid) 2)
#define SHARP_ID_SHIFT  2
#define IS_SHARP(he)    (JS_PTR_TO_UINT32((he)->value) & SHARP_BIT)
#define MAKE_SHARP(he)  ((he)->value = JS_UINT32_TO_PTR(JS_PTR_TO_UINT32((he)->value)|SHARP_BIT))
#define IS_BUSY(he)     (JS_PTR_TO_UINT32((he)->value) & BUSY_BIT)
#define MAKE_BUSY(he)   ((he)->value = JS_UINT32_TO_PTR(JS_PTR_TO_UINT32((he)->value)|BUSY_BIT))
#define CLEAR_BUSY(he)  ((he)->value = JS_UINT32_TO_PTR(JS_PTR_TO_UINT32((he)->value)&~BUSY_BIT))

extern JSHashEntry *
js_EnterSharpObject(JSContext *cx, JSObject *obj, JSIdArray **idap,
                    jschar **sp);

extern void
js_LeaveSharpObject(JSContext *cx, JSIdArray **idap);

/*
 * Mark objects stored in map if GC happens between js_EnterSharpObject
 * and js_LeaveSharpObject. GC calls this when map->depth > 0.
 */
extern void
js_GCMarkSharpMap(JSContext *cx, JSSharpObjectMap *map);

extern JSBool
js_obj_toSource(JSContext *cx, JSObject *obj, uintN argc, jsval *argv,
                jsval *rval);

extern JSBool
js_obj_toString(JSContext *cx, JSObject *obj, uintN argc, jsval *argv,
                jsval *rval);

extern JSBool
js_HasOwnPropertyHelper(JSContext *cx, JSObject *obj, JSLookupPropOp lookup,
                        uintN argc, jsval *argv, jsval *rval);

extern JSObject*
js_InitBlockClass(JSContext *cx, JSObject* obj);

extern JSObject *
js_InitObjectClass(JSContext *cx, JSObject *obj);

/* Select Object.prototype method names shared between jsapi.c and jsobj.c. */
extern const char js_watch_str[];
extern const char js_unwatch_str[];
extern const char js_hasOwnProperty_str[];
extern const char js_isPrototypeOf_str[];
extern const char js_propertyIsEnumerable_str[];
extern const char js_defineGetter_str[];
extern const char js_defineSetter_str[];
extern const char js_lookupGetter_str[];
extern const char js_lookupSetter_str[];

extern void
js_InitObjectMap(JSObjectMap *map, jsrefcount nrefs, JSObjectOps *ops,
                 JSClass *clasp);

extern JSObjectMap *
js_NewObjectMap(JSContext *cx, jsrefcount nrefs, JSObjectOps *ops,
                JSClass *clasp, JSObject *obj);

extern void
js_DestroyObjectMap(JSContext *cx, JSObjectMap *map);

extern JSObjectMap *
js_HoldObjectMap(JSContext *cx, JSObjectMap *map);

extern JSObjectMap *
js_DropObjectMap(JSContext *cx, JSObjectMap *map, JSObject *obj);

extern JSBool
js_GetClassId(JSContext *cx, JSClass *clasp, jsid *idp);

extern JSObject *
js_NewObject(JSContext *cx, JSClass *clasp, JSObject *proto, JSObject *parent);

/*
 * Fast access to immutable standard objects (constructors and prototypes).
 */
extern JSBool
js_GetClassObject(JSContext *cx, JSObject *obj, JSProtoKey key,
                  JSObject **objp);

extern JSBool
js_SetClassObject(JSContext *cx, JSObject *obj, JSProtoKey key, JSObject *cobj);

extern JSBool
js_FindClassObject(JSContext *cx, JSObject *start, jsid id, jsval *vp);

extern JSObject *
js_ConstructObject(JSContext *cx, JSClass *clasp, JSObject *proto,
                   JSObject *parent, uintN argc, jsval *argv);

extern void
js_FinalizeObject(JSContext *cx, JSObject *obj);

extern JSBool
js_AllocSlot(JSContext *cx, JSObject *obj, uint32 *slotp);

extern void
js_FreeSlot(JSContext *cx, JSObject *obj, uint32 slot);

/*
 * Native property add and lookup variants that hide id in the hidden atom
 * subspace, so as to avoid collisions between internal properties such as
 * formal arguments and local variables in function objects, and externally
 * set properties with the same ids.
 */
extern JSScopeProperty *
js_AddHiddenProperty(JSContext *cx, JSObject *obj, jsid id,
                     JSPropertyOp getter, JSPropertyOp setter, uint32 slot,
                     uintN attrs, uintN flags, intN shortid);

extern JSBool
js_LookupHiddenProperty(JSContext *cx, JSObject *obj, jsid id, JSObject **objp,
                        JSProperty **propp);

/*
 * Find or create a property named by id in obj's scope, with the given getter
 * and setter, slot, attributes, and other members.
 */
extern JSScopeProperty *
js_AddNativeProperty(JSContext *cx, JSObject *obj, jsid id,
                     JSPropertyOp getter, JSPropertyOp setter, uint32 slot,
                     uintN attrs, uintN flags, intN shortid);

/*
 * Change sprop to have the given attrs, getter, and setter in scope, morphing
 * it into a potentially new JSScopeProperty.  Return a pointer to the changed
 * or identical property.
 */
extern JSScopeProperty *
js_ChangeNativePropertyAttrs(JSContext *cx, JSObject *obj,
                             JSScopeProperty *sprop, uintN attrs, uintN mask,
                             JSPropertyOp getter, JSPropertyOp setter);

/*
 * On error, return false.  On success, if propp is non-null, return true with
 * obj locked and with a held property in *propp; if propp is null, return true
 * but release obj's lock first.  Therefore all callers who pass non-null propp
 * result parameters must later call OBJ_DROP_PROPERTY(cx, obj, *propp) both to
 * drop the held property, and to release the lock on obj.
 */
extern JSBool
js_DefineProperty(JSContext *cx, JSObject *obj, jsid id, jsval value,
                  JSPropertyOp getter, JSPropertyOp setter, uintN attrs,
                  JSProperty **propp);

extern JSBool
js_DefineNativeProperty(JSContext *cx, JSObject *obj, jsid id, jsval value,
                        JSPropertyOp getter, JSPropertyOp setter, uintN attrs,
                        uintN flags, intN shortid, JSProperty **propp);

/*
 * Unlike js_DefineProperty, propp must be non-null.  On success, and if id was
 * found, return true with *objp non-null and locked, and with a held property
 * stored in *propp.  If successful but id was not found, return true with both
 * *objp and *propp null.  Therefore all callers who receive a non-null *propp
 * must later call OBJ_DROP_PROPERTY(cx, *objp, *propp).
 */
extern JS_FRIEND_API(JSBool)
js_LookupProperty(JSContext *cx, JSObject *obj, jsid id, JSObject **objp,
                  JSProperty **propp);

/*
 * Specialized subroutine that allows caller to preset JSRESOLVE_* flags.
 * JSRESOLVE_HIDDEN flags hidden function param/local name lookups, just for
 * internal use by fun_resolve and similar built-ins.
 */
extern JSBool
js_LookupPropertyWithFlags(JSContext *cx, JSObject *obj, jsid id, uintN flags,
                           JSObject **objp, JSProperty **propp);

#define JSRESOLVE_HIDDEN        0x8000

extern JS_FRIEND_API(JSBool)
js_FindProperty(JSContext *cx, jsid id, JSObject **objp, JSObject **pobjp,
                JSProperty **propp);

extern JSObject *
js_FindIdentifierBase(JSContext *cx, jsid id);

extern JSObject *
js_FindVariableScope(JSContext *cx, JSFunction **funp);

/*
 * NB: js_NativeGet and js_NativeSet are called with the scope containing sprop
 * (pobj's scope for Get, obj's for Set) locked, and on successful return, that
 * scope is again locked.  But on failure, both functions return false with the
 * scope containing sprop unlocked.
 */
extern JSBool
js_NativeGet(JSContext *cx, JSObject *obj, JSObject *pobj,
             JSScopeProperty *sprop, jsval *vp);

extern JSBool
js_NativeSet(JSContext *cx, JSObject *obj, JSScopeProperty *sprop, jsval *vp);

extern JSBool
js_GetProperty(JSContext *cx, JSObject *obj, jsid id, jsval *vp);

extern JSBool
js_SetProperty(JSContext *cx, JSObject *obj, jsid id, jsval *vp);

extern JSBool
js_GetAttributes(JSContext *cx, JSObject *obj, jsid id, JSProperty *prop,
                 uintN *attrsp);

extern JSBool
js_SetAttributes(JSContext *cx, JSObject *obj, jsid id, JSProperty *prop,
                 uintN *attrsp);

extern JSBool
js_DeleteProperty(JSContext *cx, JSObject *obj, jsid id, jsval *rval);

extern JSBool
js_DefaultValue(JSContext *cx, JSObject *obj, JSType hint, jsval *vp);

extern JSIdArray *
js_NewIdArray(JSContext *cx, jsint length);

/*
 * Unlike realloc(3), this function frees ida on failure.
 */
extern JSIdArray *
js_SetIdArrayLength(JSContext *cx, JSIdArray *ida, jsint length);

extern JSBool
js_Enumerate(JSContext *cx, JSObject *obj, JSIterateOp enum_op,
             jsval *statep, jsid *idp);

extern void
js_MarkNativeIteratorStates(JSContext *cx);

extern JSBool
js_CheckAccess(JSContext *cx, JSObject *obj, jsid id, JSAccessMode mode,
               jsval *vp, uintN *attrsp);

extern JSBool
js_Call(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval);

extern JSBool
js_Construct(JSContext *cx, JSObject *obj, uintN argc, jsval *argv,
             jsval *rval);

extern JSBool
js_HasInstance(JSContext *cx, JSObject *obj, jsval v, JSBool *bp);

extern JSBool
js_SetProtoOrParent(JSContext *cx, JSObject *obj, uint32 slot, JSObject *pobj);

extern JSBool
js_IsDelegate(JSContext *cx, JSObject *obj, jsval v, JSBool *bp);

extern JSBool
js_GetClassPrototype(JSContext *cx, JSObject *scope, jsid id,
                     JSObject **protop);

extern JSBool
js_SetClassPrototype(JSContext *cx, JSObject *ctor, JSObject *proto,
                     uintN attrs);

extern JSBool
js_ValueToObject(JSContext *cx, jsval v, JSObject **objp);

extern JSObject *
js_ValueToNonNullObject(JSContext *cx, jsval v);

extern JSBool
js_TryValueOf(JSContext *cx, JSObject *obj, JSType type, jsval *rval);

extern JSBool
js_TryMethod(JSContext *cx, JSObject *obj, JSAtom *atom,
             uintN argc, jsval *argv, jsval *rval);

extern JSBool
js_XDRObject(JSXDRState *xdr, JSObject **objp);

extern uint32
js_Mark(JSContext *cx, JSObject *obj, void *arg);

extern void
js_Clear(JSContext *cx, JSObject *obj);

extern jsval
js_GetRequiredSlot(JSContext *cx, JSObject *obj, uint32 slot);

extern JSBool
js_SetRequiredSlot(JSContext *cx, JSObject *obj, uint32 slot, jsval v);

extern JSObject *
js_CheckScopeChainValidity(JSContext *cx, JSObject *scopeobj, const char *caller);

extern JSBool
js_CheckPrincipalsAccess(JSContext *cx, JSObject *scopeobj,
                         JSPrincipals *principals, JSAtom *caller);
JS_END_EXTERN_C

#endif /* jsobj_h___ */