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+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sw=4 et tw=80:
+ *
+ * ***** 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 Mozilla Communicator client code, released
+ * March 31, 1998.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of 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 jsobj_h___
+#define jsobj_h___
+/*
+ * JS object definitions.
+ *
+ * A JS object consists of a possibly-shared object descriptor containing
+ * ordered property names, called the map; and a dense vector of property
+ * values, called slots. The map/slot pointer pair is GC'ed, while the map
+ * is reference counted and the slot vector is malloc'ed.
+ */
+#include "jshash.h" /* Added by JSIFY */
+#include "jsprvtd.h"
+#include "jspubtd.h"
+
+JS_BEGIN_EXTERN_C
+
+struct JSObjectMap {
+ jsrefcount nrefs; /* count of all referencing objects */
+ JSObjectOps *ops; /* high level object operation vtable */
+ uint32 nslots; /* length of obj->slots vector */
+ uint32 freeslot; /* index of next free obj->slots element */
+};
+
+/* Shorthand macros for frequently-made calls. */
+#define OBJ_LOOKUP_PROPERTY(cx,obj,id,objp,propp) \
+ (obj)->map->ops->lookupProperty(cx,obj,id,objp,propp)
+#define OBJ_DEFINE_PROPERTY(cx,obj,id,value,getter,setter,attrs,propp) \
+ (obj)->map->ops->defineProperty(cx,obj,id,value,getter,setter,attrs,propp)
+#define OBJ_GET_PROPERTY(cx,obj,id,vp) \
+ (obj)->map->ops->getProperty(cx,obj,id,vp)
+#define OBJ_SET_PROPERTY(cx,obj,id,vp) \
+ (obj)->map->ops->setProperty(cx,obj,id,vp)
+#define OBJ_GET_ATTRIBUTES(cx,obj,id,prop,attrsp) \
+ (obj)->map->ops->getAttributes(cx,obj,id,prop,attrsp)
+#define OBJ_SET_ATTRIBUTES(cx,obj,id,prop,attrsp) \
+ (obj)->map->ops->setAttributes(cx,obj,id,prop,attrsp)
+#define OBJ_DELETE_PROPERTY(cx,obj,id,rval) \
+ (obj)->map->ops->deleteProperty(cx,obj,id,rval)
+#define OBJ_DEFAULT_VALUE(cx,obj,hint,vp) \
+ (obj)->map->ops->defaultValue(cx,obj,hint,vp)
+#define OBJ_ENUMERATE(cx,obj,enum_op,statep,idp) \
+ (obj)->map->ops->enumerate(cx,obj,enum_op,statep,idp)
+#define OBJ_CHECK_ACCESS(cx,obj,id,mode,vp,attrsp) \
+ (obj)->map->ops->checkAccess(cx,obj,id,mode,vp,attrsp)
+
+/* These four are time-optimized to avoid stub calls. */
+#define OBJ_THIS_OBJECT(cx,obj) \
+ ((obj)->map->ops->thisObject \
+ ? (obj)->map->ops->thisObject(cx,obj) \
+ : (obj))
+#define OBJ_DROP_PROPERTY(cx,obj,prop) \
+ ((obj)->map->ops->dropProperty \
+ ? (obj)->map->ops->dropProperty(cx,obj,prop) \
+ : (void)0)
+#define OBJ_GET_REQUIRED_SLOT(cx,obj,slot) \
+ ((obj)->map->ops->getRequiredSlot \
+ ? (obj)->map->ops->getRequiredSlot(cx, obj, slot) \
+ : JSVAL_VOID)
+#define OBJ_SET_REQUIRED_SLOT(cx,obj,slot,v) \
+ ((obj)->map->ops->setRequiredSlot \
+ ? (obj)->map->ops->setRequiredSlot(cx, obj, slot, v) \
+ : JS_TRUE)
+
+#define OBJ_TO_INNER_OBJECT(cx,obj) \
+ JS_BEGIN_MACRO \
+ JSClass *clasp_ = OBJ_GET_CLASS(cx, obj); \
+ if (clasp_->flags & JSCLASS_IS_EXTENDED) { \
+ JSExtendedClass *xclasp_ = (JSExtendedClass*)clasp_; \
+ if (xclasp_->innerObject) \
+ obj = xclasp_->innerObject(cx, obj); \
+ } \
+ JS_END_MACRO
+
+/*
+ * In the original JS engine design, obj->slots pointed to a vector of length
+ * JS_INITIAL_NSLOTS words if obj->map was shared with a prototype object,
+ * else of length obj->map->nslots. With the advent of JS_GetReservedSlot,
+ * JS_SetReservedSlot, and JSCLASS_HAS_RESERVED_SLOTS (see jsapi.h), the size
+ * of the minimum length slots vector in the case where map is shared cannot
+ * be constant. This length starts at JS_INITIAL_NSLOTS, but may advance to
+ * include all the reserved slots.
+ *
+ * Therefore slots must be self-describing. Rather than tag its low order bit
+ * (a bit is all we need) to distinguish initial length from reserved length,
+ * we do "the BSTR thing": over-allocate slots by one jsval, and store the
+ * *net* length (counting usable slots, which have non-negative obj->slots[]
+ * indices) in obj->slots[-1]. All code that sets obj->slots must be aware of
+ * this hack -- you have been warned, and jsobj.c has been updated!
+ */
+struct JSObject {
+ JSObjectMap *map;
+ jsval *slots;
+};
+
+#define JSSLOT_PROTO 0
+#define JSSLOT_PARENT 1
+#define JSSLOT_CLASS 2
+#define JSSLOT_PRIVATE 3
+#define JSSLOT_START(clasp) (((clasp)->flags & JSCLASS_HAS_PRIVATE) \
+ ? JSSLOT_PRIVATE + 1 \
+ : JSSLOT_CLASS + 1)
+
+#define JSSLOT_FREE(clasp) (JSSLOT_START(clasp) \
+ + JSCLASS_RESERVED_SLOTS(clasp))
+
+#define JS_INITIAL_NSLOTS 5
+
+#ifdef DEBUG
+#define MAP_CHECK_SLOT(map,slot) \
+ JS_ASSERT((uint32)slot < JS_MIN((map)->freeslot, (map)->nslots))
+#define OBJ_CHECK_SLOT(obj,slot) \
+ MAP_CHECK_SLOT((obj)->map, slot)
+#else
+#define OBJ_CHECK_SLOT(obj,slot) ((void)0)
+#endif
+
+/* Fast macros for accessing obj->slots while obj is locked (if thread-safe). */
+#define LOCKED_OBJ_GET_SLOT(obj,slot) \
+ (OBJ_CHECK_SLOT(obj, slot), (obj)->slots[slot])
+#define LOCKED_OBJ_SET_SLOT(obj,slot,value) \
+ (OBJ_CHECK_SLOT(obj, slot), (obj)->slots[slot] = (value))
+#define LOCKED_OBJ_GET_PROTO(obj) \
+ JSVAL_TO_OBJECT(LOCKED_OBJ_GET_SLOT(obj, JSSLOT_PROTO))
+#define LOCKED_OBJ_GET_CLASS(obj) \
+ ((JSClass *)JSVAL_TO_PRIVATE(LOCKED_OBJ_GET_SLOT(obj, JSSLOT_CLASS)))
+
+#ifdef JS_THREADSAFE
+
+/* Thread-safe functions and wrapper macros for accessing obj->slots. */
+#define OBJ_GET_SLOT(cx,obj,slot) \
+ (OBJ_CHECK_SLOT(obj, slot), \
+ (OBJ_IS_NATIVE(obj) && OBJ_SCOPE(obj)->ownercx == cx) \
+ ? LOCKED_OBJ_GET_SLOT(obj, slot) \
+ : js_GetSlotThreadSafe(cx, obj, slot))
+
+#define OBJ_SET_SLOT(cx,obj,slot,value) \
+ (OBJ_CHECK_SLOT(obj, slot), \
+ (OBJ_IS_NATIVE(obj) && OBJ_SCOPE(obj)->ownercx == cx) \
+ ? (void) LOCKED_OBJ_SET_SLOT(obj, slot, value) \
+ : js_SetSlotThreadSafe(cx, obj, slot, value))
+
+/*
+ * If thread-safe, define an OBJ_GET_SLOT wrapper that bypasses, for a native
+ * object, the lock-free "fast path" test of (OBJ_SCOPE(obj)->ownercx == cx),
+ * to avoid needlessly switching from lock-free to lock-full scope when doing
+ * GC on a different context from the last one to own the scope. The caller
+ * in this case is probably a JSClass.mark function, e.g., fun_mark, or maybe
+ * a finalizer.
+ *
+ * The GC runs only when all threads except the one on which the GC is active
+ * are suspended at GC-safe points, so there is no hazard in directly accessing
+ * obj->slots[slot] from the GC's thread, once rt->gcRunning has been set. See
+ * jsgc.c for details.
+ */
+#define THREAD_IS_RUNNING_GC(rt, thread) \
+ ((rt)->gcRunning && (rt)->gcThread == (thread))
+
+#define CX_THREAD_IS_RUNNING_GC(cx) \
+ THREAD_IS_RUNNING_GC((cx)->runtime, (cx)->thread)
+
+#define GC_AWARE_GET_SLOT(cx, obj, slot) \
+ ((OBJ_IS_NATIVE(obj) && CX_THREAD_IS_RUNNING_GC(cx)) \
+ ? (obj)->slots[slot] \
+ : OBJ_GET_SLOT(cx, obj, slot))
+
+#else /* !JS_THREADSAFE */
+
+#define OBJ_GET_SLOT(cx,obj,slot) LOCKED_OBJ_GET_SLOT(obj,slot)
+#define OBJ_SET_SLOT(cx,obj,slot,value) LOCKED_OBJ_SET_SLOT(obj,slot,value)
+#define GC_AWARE_GET_SLOT(cx,obj,slot) LOCKED_OBJ_GET_SLOT(obj,slot)
+
+#endif /* !JS_THREADSAFE */
+
+/* Thread-safe proto, parent, and class access macros. */
+#define OBJ_GET_PROTO(cx,obj) \
+ JSVAL_TO_OBJECT(OBJ_GET_SLOT(cx, obj, JSSLOT_PROTO))
+#define OBJ_SET_PROTO(cx,obj,proto) \
+ OBJ_SET_SLOT(cx, obj, JSSLOT_PROTO, OBJECT_TO_JSVAL(proto))
+
+#define OBJ_GET_PARENT(cx,obj) \
+ JSVAL_TO_OBJECT(OBJ_GET_SLOT(cx, obj, JSSLOT_PARENT))
+#define OBJ_SET_PARENT(cx,obj,parent) \
+ OBJ_SET_SLOT(cx, obj, JSSLOT_PARENT, OBJECT_TO_JSVAL(parent))
+
+#define OBJ_GET_CLASS(cx,obj) \
+ ((JSClass *)JSVAL_TO_PRIVATE(OBJ_GET_SLOT(cx, obj, JSSLOT_CLASS)))
+
+/* Test whether a map or object is native. */
+#define MAP_IS_NATIVE(map) \
+ ((map)->ops == &js_ObjectOps || \
+ ((map)->ops && (map)->ops->newObjectMap == js_ObjectOps.newObjectMap))
+
+#define OBJ_IS_NATIVE(obj) MAP_IS_NATIVE((obj)->map)
+
+extern JS_FRIEND_DATA(JSObjectOps) js_ObjectOps;
+extern JS_FRIEND_DATA(JSObjectOps) js_WithObjectOps;
+extern JSClass js_ObjectClass;
+extern JSClass js_WithClass;
+extern JSClass js_BlockClass;
+
+/*
+ * Block scope object macros. The slots reserved by js_BlockClass are:
+ *
+ * JSSLOT_PRIVATE JSStackFrame * active frame pointer or null
+ * JSSLOT_BLOCK_DEPTH int depth of block slots in frame
+ *
+ * After JSSLOT_BLOCK_DEPTH come one or more slots for the block locals.
+ * OBJ_BLOCK_COUNT depends on this arrangement.
+ *
+ * A With object is like a Block object, in that both have one reserved slot
+ * telling the stack depth of the relevant slots (the slot whose value is the
+ * object named in the with statement, the slots containing the block's local
+ * variables); and both have a private slot referring to the JSStackFrame in
+ * whose activation they were created (or null if the with or block object
+ * outlives the frame).
+ */
+#define JSSLOT_BLOCK_DEPTH (JSSLOT_PRIVATE + 1)
+
+#define OBJ_BLOCK_COUNT(cx,obj) \
+ ((obj)->map->freeslot - (JSSLOT_BLOCK_DEPTH + 1))
+#define OBJ_BLOCK_DEPTH(cx,obj) \
+ JSVAL_TO_INT(OBJ_GET_SLOT(cx, obj, JSSLOT_BLOCK_DEPTH))
+#define OBJ_SET_BLOCK_DEPTH(cx,obj,depth) \
+ OBJ_SET_SLOT(cx, obj, JSSLOT_BLOCK_DEPTH, INT_TO_JSVAL(depth))
+
+/*
+ * To make sure this slot is well-defined, always call js_NewWithObject to
+ * create a With object, don't call js_NewObject directly. When creating a
+ * With object that does not correspond to a stack slot, pass -1 for depth.
+ *
+ * When popping the stack across this object's "with" statement, client code
+ * must call JS_SetPrivate(cx, withobj, NULL).
+ */
+extern JSObject *
+js_NewWithObject(JSContext *cx, JSObject *proto, JSObject *parent, jsint depth);
+
+/*
+ * Create a new block scope object not linked to any proto or parent object.
+ * Blocks are created by the compiler to reify let blocks and comprehensions.
+ * Only when dynamic scope is captured do they need to be cloned and spliced
+ * into an active scope chain.
+ */
+extern JSObject *
+js_NewBlockObject(JSContext *cx);
+
+extern JSObject *
+js_CloneBlockObject(JSContext *cx, JSObject *proto, JSObject *parent,
+ JSStackFrame *fp);
+
+extern JSBool
+js_PutBlockObject(JSContext *cx, JSObject *obj);
+
+struct JSSharpObjectMap {
+ jsrefcount depth;
+ jsatomid sharpgen;
+ JSHashTable *table;
+};
+
+#define SHARP_BIT ((jsatomid) 1)
+#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___ */
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