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1.1 root 1: /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- 1.1.1.2 ! root 2: * vim: set ts=8 sw=4 et tw=80: 1.1 root 3: * 4: * ***** BEGIN LICENSE BLOCK ***** 5: * Version: MPL 1.1/GPL 2.0/LGPL 2.1 6: * 7: * The contents of this file are subject to the Mozilla Public License Version 8: * 1.1 (the "License"); you may not use this file except in compliance with 9: * the License. You may obtain a copy of the License at 10: * http://www.mozilla.org/MPL/ 11: * 12: * Software distributed under the License is distributed on an "AS IS" basis, 13: * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License 14: * for the specific language governing rights and limitations under the 15: * License. 16: * 17: * The Original Code is Mozilla Communicator client code, released 18: * March 31, 1998. 19: * 20: * The Initial Developer of the Original Code is 21: * Netscape Communications Corporation. 22: * Portions created by the Initial Developer are Copyright (C) 1998 23: * the Initial Developer. All Rights Reserved. 24: * 25: * Contributor(s): 26: * 27: * Alternatively, the contents of this file may be used under the terms of 28: * either of the GNU General Public License Version 2 or later (the "GPL"), 29: * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), 30: * in which case the provisions of the GPL or the LGPL are applicable instead 31: * of those above. If you wish to allow use of your version of this file only 32: * under the terms of either the GPL or the LGPL, and not to allow others to 33: * use your version of this file under the terms of the MPL, indicate your 34: * decision by deleting the provisions above and replace them with the notice 35: * and other provisions required by the GPL or the LGPL. If you do not delete 36: * the provisions above, a recipient may use your version of this file under 37: * the terms of any one of the MPL, the GPL or the LGPL. 38: * 39: * ***** END LICENSE BLOCK ***** */ 40: 41: #ifndef jsobj_h___ 42: #define jsobj_h___ 43: /* 44: * JS object definitions. 45: * 46: * A JS object consists of a possibly-shared object descriptor containing 47: * ordered property names, called the map; and a dense vector of property 48: * values, called slots. The map/slot pointer pair is GC'ed, while the map 49: * is reference counted and the slot vector is malloc'ed. 50: */ 51: #include "jshash.h" /* Added by JSIFY */ 52: #include "jsprvtd.h" 53: #include "jspubtd.h" 54: 55: JS_BEGIN_EXTERN_C 56: 57: struct JSObjectMap { 58: jsrefcount nrefs; /* count of all referencing objects */ 59: JSObjectOps *ops; /* high level object operation vtable */ 60: uint32 nslots; /* length of obj->slots vector */ 61: uint32 freeslot; /* index of next free obj->slots element */ 62: }; 63: 64: /* Shorthand macros for frequently-made calls. */ 65: #define OBJ_LOOKUP_PROPERTY(cx,obj,id,objp,propp) \ 66: (obj)->map->ops->lookupProperty(cx,obj,id,objp,propp) 67: #define OBJ_DEFINE_PROPERTY(cx,obj,id,value,getter,setter,attrs,propp) \ 68: (obj)->map->ops->defineProperty(cx,obj,id,value,getter,setter,attrs,propp) 69: #define OBJ_GET_PROPERTY(cx,obj,id,vp) \ 70: (obj)->map->ops->getProperty(cx,obj,id,vp) 71: #define OBJ_SET_PROPERTY(cx,obj,id,vp) \ 72: (obj)->map->ops->setProperty(cx,obj,id,vp) 73: #define OBJ_GET_ATTRIBUTES(cx,obj,id,prop,attrsp) \ 74: (obj)->map->ops->getAttributes(cx,obj,id,prop,attrsp) 75: #define OBJ_SET_ATTRIBUTES(cx,obj,id,prop,attrsp) \ 76: (obj)->map->ops->setAttributes(cx,obj,id,prop,attrsp) 77: #define OBJ_DELETE_PROPERTY(cx,obj,id,rval) \ 78: (obj)->map->ops->deleteProperty(cx,obj,id,rval) 79: #define OBJ_DEFAULT_VALUE(cx,obj,hint,vp) \ 80: (obj)->map->ops->defaultValue(cx,obj,hint,vp) 81: #define OBJ_ENUMERATE(cx,obj,enum_op,statep,idp) \ 82: (obj)->map->ops->enumerate(cx,obj,enum_op,statep,idp) 83: #define OBJ_CHECK_ACCESS(cx,obj,id,mode,vp,attrsp) \ 84: (obj)->map->ops->checkAccess(cx,obj,id,mode,vp,attrsp) 85: 86: /* These four are time-optimized to avoid stub calls. */ 87: #define OBJ_THIS_OBJECT(cx,obj) \ 88: ((obj)->map->ops->thisObject \ 89: ? (obj)->map->ops->thisObject(cx,obj) \ 90: : (obj)) 91: #define OBJ_DROP_PROPERTY(cx,obj,prop) \ 92: ((obj)->map->ops->dropProperty \ 93: ? (obj)->map->ops->dropProperty(cx,obj,prop) \ 94: : (void)0) 95: #define OBJ_GET_REQUIRED_SLOT(cx,obj,slot) \ 96: ((obj)->map->ops->getRequiredSlot \ 97: ? (obj)->map->ops->getRequiredSlot(cx, obj, slot) \ 98: : JSVAL_VOID) 99: #define OBJ_SET_REQUIRED_SLOT(cx,obj,slot,v) \ 100: ((obj)->map->ops->setRequiredSlot \ 101: ? (obj)->map->ops->setRequiredSlot(cx, obj, slot, v) \ 102: : JS_TRUE) 103: 1.1.1.2 ! root 104: #define OBJ_TO_INNER_OBJECT(cx,obj) \ ! 105: JS_BEGIN_MACRO \ ! 106: JSClass *clasp_ = OBJ_GET_CLASS(cx, obj); \ ! 107: if (clasp_->flags & JSCLASS_IS_EXTENDED) { \ ! 108: JSExtendedClass *xclasp_ = (JSExtendedClass*)clasp_; \ ! 109: if (xclasp_->innerObject) \ ! 110: obj = xclasp_->innerObject(cx, obj); \ ! 111: } \ ! 112: JS_END_MACRO ! 113: 1.1 root 114: /* 115: * In the original JS engine design, obj->slots pointed to a vector of length 116: * JS_INITIAL_NSLOTS words if obj->map was shared with a prototype object, 117: * else of length obj->map->nslots. With the advent of JS_GetReservedSlot, 118: * JS_SetReservedSlot, and JSCLASS_HAS_RESERVED_SLOTS (see jsapi.h), the size 119: * of the minimum length slots vector in the case where map is shared cannot 120: * be constant. This length starts at JS_INITIAL_NSLOTS, but may advance to 121: * include all the reserved slots. 122: * 123: * Therefore slots must be self-describing. Rather than tag its low order bit 124: * (a bit is all we need) to distinguish initial length from reserved length, 125: * we do "the BSTR thing": over-allocate slots by one jsval, and store the 126: * *net* length (counting usable slots, which have non-negative obj->slots[] 127: * indices) in obj->slots[-1]. All code that sets obj->slots must be aware of 128: * this hack -- you have been warned, and jsobj.c has been updated! 129: */ 130: struct JSObject { 131: JSObjectMap *map; 132: jsval *slots; 133: }; 134: 135: #define JSSLOT_PROTO 0 136: #define JSSLOT_PARENT 1 137: #define JSSLOT_CLASS 2 138: #define JSSLOT_PRIVATE 3 139: #define JSSLOT_START(clasp) (((clasp)->flags & JSCLASS_HAS_PRIVATE) \ 140: ? JSSLOT_PRIVATE + 1 \ 141: : JSSLOT_CLASS + 1) 142: 143: #define JSSLOT_FREE(clasp) (JSSLOT_START(clasp) \ 144: + JSCLASS_RESERVED_SLOTS(clasp)) 145: 146: #define JS_INITIAL_NSLOTS 5 147: 148: #ifdef DEBUG 149: #define MAP_CHECK_SLOT(map,slot) \ 150: JS_ASSERT((uint32)slot < JS_MIN((map)->freeslot, (map)->nslots)) 151: #define OBJ_CHECK_SLOT(obj,slot) \ 152: MAP_CHECK_SLOT((obj)->map, slot) 153: #else 154: #define OBJ_CHECK_SLOT(obj,slot) ((void)0) 155: #endif 156: 157: /* Fast macros for accessing obj->slots while obj is locked (if thread-safe). */ 158: #define LOCKED_OBJ_GET_SLOT(obj,slot) \ 159: (OBJ_CHECK_SLOT(obj, slot), (obj)->slots[slot]) 160: #define LOCKED_OBJ_SET_SLOT(obj,slot,value) \ 161: (OBJ_CHECK_SLOT(obj, slot), (obj)->slots[slot] = (value)) 162: #define LOCKED_OBJ_GET_PROTO(obj) \ 163: JSVAL_TO_OBJECT(LOCKED_OBJ_GET_SLOT(obj, JSSLOT_PROTO)) 164: #define LOCKED_OBJ_GET_CLASS(obj) \ 165: ((JSClass *)JSVAL_TO_PRIVATE(LOCKED_OBJ_GET_SLOT(obj, JSSLOT_CLASS))) 166: 167: #ifdef JS_THREADSAFE 168: 169: /* Thread-safe functions and wrapper macros for accessing obj->slots. */ 170: #define OBJ_GET_SLOT(cx,obj,slot) \ 171: (OBJ_CHECK_SLOT(obj, slot), \ 172: (OBJ_IS_NATIVE(obj) && OBJ_SCOPE(obj)->ownercx == cx) \ 173: ? LOCKED_OBJ_GET_SLOT(obj, slot) \ 174: : js_GetSlotThreadSafe(cx, obj, slot)) 175: 176: #define OBJ_SET_SLOT(cx,obj,slot,value) \ 177: (OBJ_CHECK_SLOT(obj, slot), \ 178: (OBJ_IS_NATIVE(obj) && OBJ_SCOPE(obj)->ownercx == cx) \ 179: ? (void) LOCKED_OBJ_SET_SLOT(obj, slot, value) \ 180: : js_SetSlotThreadSafe(cx, obj, slot, value)) 181: 182: /* 183: * If thread-safe, define an OBJ_GET_SLOT wrapper that bypasses, for a native 184: * object, the lock-free "fast path" test of (OBJ_SCOPE(obj)->ownercx == cx), 185: * to avoid needlessly switching from lock-free to lock-full scope when doing 186: * GC on a different context from the last one to own the scope. The caller 187: * in this case is probably a JSClass.mark function, e.g., fun_mark, or maybe 188: * a finalizer. 189: * 190: * The GC runs only when all threads except the one on which the GC is active 191: * are suspended at GC-safe points, so there is no hazard in directly accessing 192: * obj->slots[slot] from the GC's thread, once rt->gcRunning has been set. See 193: * jsgc.c for details. 194: */ 195: #define THREAD_IS_RUNNING_GC(rt, thread) \ 196: ((rt)->gcRunning && (rt)->gcThread == (thread)) 197: 198: #define CX_THREAD_IS_RUNNING_GC(cx) \ 199: THREAD_IS_RUNNING_GC((cx)->runtime, (cx)->thread) 200: 201: #define GC_AWARE_GET_SLOT(cx, obj, slot) \ 202: ((OBJ_IS_NATIVE(obj) && CX_THREAD_IS_RUNNING_GC(cx)) \ 203: ? (obj)->slots[slot] \ 204: : OBJ_GET_SLOT(cx, obj, slot)) 205: 206: #else /* !JS_THREADSAFE */ 207: 208: #define OBJ_GET_SLOT(cx,obj,slot) LOCKED_OBJ_GET_SLOT(obj,slot) 209: #define OBJ_SET_SLOT(cx,obj,slot,value) LOCKED_OBJ_SET_SLOT(obj,slot,value) 210: #define GC_AWARE_GET_SLOT(cx,obj,slot) LOCKED_OBJ_GET_SLOT(obj,slot) 211: 212: #endif /* !JS_THREADSAFE */ 213: 214: /* Thread-safe proto, parent, and class access macros. */ 215: #define OBJ_GET_PROTO(cx,obj) \ 216: JSVAL_TO_OBJECT(OBJ_GET_SLOT(cx, obj, JSSLOT_PROTO)) 217: #define OBJ_SET_PROTO(cx,obj,proto) \ 218: OBJ_SET_SLOT(cx, obj, JSSLOT_PROTO, OBJECT_TO_JSVAL(proto)) 219: 220: #define OBJ_GET_PARENT(cx,obj) \ 221: JSVAL_TO_OBJECT(OBJ_GET_SLOT(cx, obj, JSSLOT_PARENT)) 222: #define OBJ_SET_PARENT(cx,obj,parent) \ 223: OBJ_SET_SLOT(cx, obj, JSSLOT_PARENT, OBJECT_TO_JSVAL(parent)) 224: 225: #define OBJ_GET_CLASS(cx,obj) \ 226: ((JSClass *)JSVAL_TO_PRIVATE(OBJ_GET_SLOT(cx, obj, JSSLOT_CLASS))) 227: 228: /* Test whether a map or object is native. */ 229: #define MAP_IS_NATIVE(map) \ 230: ((map)->ops == &js_ObjectOps || \ 231: ((map)->ops && (map)->ops->newObjectMap == js_ObjectOps.newObjectMap)) 232: 233: #define OBJ_IS_NATIVE(obj) MAP_IS_NATIVE((obj)->map) 234: 235: extern JS_FRIEND_DATA(JSObjectOps) js_ObjectOps; 236: extern JS_FRIEND_DATA(JSObjectOps) js_WithObjectOps; 237: extern JSClass js_ObjectClass; 238: extern JSClass js_WithClass; 1.1.1.2 ! root 239: extern JSClass js_BlockClass; ! 240: ! 241: /* ! 242: * Block scope object macros. The slots reserved by js_BlockClass are: ! 243: * ! 244: * JSSLOT_PRIVATE JSStackFrame * active frame pointer or null ! 245: * JSSLOT_BLOCK_DEPTH int depth of block slots in frame ! 246: * ! 247: * After JSSLOT_BLOCK_DEPTH come one or more slots for the block locals. ! 248: * OBJ_BLOCK_COUNT depends on this arrangement. ! 249: * ! 250: * A With object is like a Block object, in that both have one reserved slot ! 251: * telling the stack depth of the relevant slots (the slot whose value is the ! 252: * object named in the with statement, the slots containing the block's local ! 253: * variables); and both have a private slot referring to the JSStackFrame in ! 254: * whose activation they were created (or null if the with or block object ! 255: * outlives the frame). ! 256: */ ! 257: #define JSSLOT_BLOCK_DEPTH (JSSLOT_PRIVATE + 1) ! 258: ! 259: #define OBJ_BLOCK_COUNT(cx,obj) \ ! 260: ((obj)->map->freeslot - (JSSLOT_BLOCK_DEPTH + 1)) ! 261: #define OBJ_BLOCK_DEPTH(cx,obj) \ ! 262: JSVAL_TO_INT(OBJ_GET_SLOT(cx, obj, JSSLOT_BLOCK_DEPTH)) ! 263: #define OBJ_SET_BLOCK_DEPTH(cx,obj,depth) \ ! 264: OBJ_SET_SLOT(cx, obj, JSSLOT_BLOCK_DEPTH, INT_TO_JSVAL(depth)) ! 265: ! 266: /* ! 267: * To make sure this slot is well-defined, always call js_NewWithObject to ! 268: * create a With object, don't call js_NewObject directly. When creating a ! 269: * With object that does not correspond to a stack slot, pass -1 for depth. ! 270: * ! 271: * When popping the stack across this object's "with" statement, client code ! 272: * must call JS_SetPrivate(cx, withobj, NULL). ! 273: */ ! 274: extern JSObject * ! 275: js_NewWithObject(JSContext *cx, JSObject *proto, JSObject *parent, jsint depth); ! 276: ! 277: /* ! 278: * Create a new block scope object not linked to any proto or parent object. ! 279: * Blocks are created by the compiler to reify let blocks and comprehensions. ! 280: * Only when dynamic scope is captured do they need to be cloned and spliced ! 281: * into an active scope chain. ! 282: */ ! 283: extern JSObject * ! 284: js_NewBlockObject(JSContext *cx); ! 285: ! 286: extern JSObject * ! 287: js_CloneBlockObject(JSContext *cx, JSObject *proto, JSObject *parent, ! 288: JSStackFrame *fp); ! 289: ! 290: extern JSBool ! 291: js_PutBlockObject(JSContext *cx, JSObject *obj); 1.1 root 292: 293: struct JSSharpObjectMap { 294: jsrefcount depth; 295: jsatomid sharpgen; 296: JSHashTable *table; 297: }; 298: 299: #define SHARP_BIT ((jsatomid) 1) 300: #define BUSY_BIT ((jsatomid) 2) 301: #define SHARP_ID_SHIFT 2 1.1.1.2 ! root 302: #define IS_SHARP(he) (JS_PTR_TO_UINT32((he)->value) & SHARP_BIT) ! 303: #define MAKE_SHARP(he) ((he)->value = JS_UINT32_TO_PTR(JS_PTR_TO_UINT32((he)->value)|SHARP_BIT)) ! 304: #define IS_BUSY(he) (JS_PTR_TO_UINT32((he)->value) & BUSY_BIT) ! 305: #define MAKE_BUSY(he) ((he)->value = JS_UINT32_TO_PTR(JS_PTR_TO_UINT32((he)->value)|BUSY_BIT)) ! 306: #define CLEAR_BUSY(he) ((he)->value = JS_UINT32_TO_PTR(JS_PTR_TO_UINT32((he)->value)&~BUSY_BIT)) 1.1 root 307: 308: extern JSHashEntry * 309: js_EnterSharpObject(JSContext *cx, JSObject *obj, JSIdArray **idap, 1.1.1.2 ! root 310: jschar **sp); 1.1 root 311: 312: extern void 313: js_LeaveSharpObject(JSContext *cx, JSIdArray **idap); 314: 1.1.1.2 ! root 315: /* ! 316: * Mark objects stored in map if GC happens between js_EnterSharpObject ! 317: * and js_LeaveSharpObject. GC calls this when map->depth > 0. ! 318: */ ! 319: extern void ! 320: js_GCMarkSharpMap(JSContext *cx, JSSharpObjectMap *map); ! 321: 1.1 root 322: extern JSBool 323: js_obj_toSource(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, 1.1.1.2 ! root 324: jsval *rval); 1.1 root 325: 326: extern JSBool 327: js_obj_toString(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, 1.1.1.2 ! root 328: jsval *rval); ! 329: ! 330: extern JSBool ! 331: js_HasOwnPropertyHelper(JSContext *cx, JSObject *obj, JSLookupPropOp lookup, ! 332: uintN argc, jsval *argv, jsval *rval); ! 333: ! 334: extern JSObject* ! 335: js_InitBlockClass(JSContext *cx, JSObject* obj); 1.1 root 336: 337: extern JSObject * 338: js_InitObjectClass(JSContext *cx, JSObject *obj); 339: 340: /* Select Object.prototype method names shared between jsapi.c and jsobj.c. */ 341: extern const char js_watch_str[]; 342: extern const char js_unwatch_str[]; 343: extern const char js_hasOwnProperty_str[]; 344: extern const char js_isPrototypeOf_str[]; 345: extern const char js_propertyIsEnumerable_str[]; 346: extern const char js_defineGetter_str[]; 347: extern const char js_defineSetter_str[]; 348: extern const char js_lookupGetter_str[]; 349: extern const char js_lookupSetter_str[]; 350: 351: extern void 352: js_InitObjectMap(JSObjectMap *map, jsrefcount nrefs, JSObjectOps *ops, 1.1.1.2 ! root 353: JSClass *clasp); 1.1 root 354: 355: extern JSObjectMap * 356: js_NewObjectMap(JSContext *cx, jsrefcount nrefs, JSObjectOps *ops, 1.1.1.2 ! root 357: JSClass *clasp, JSObject *obj); 1.1 root 358: 359: extern void 360: js_DestroyObjectMap(JSContext *cx, JSObjectMap *map); 361: 362: extern JSObjectMap * 363: js_HoldObjectMap(JSContext *cx, JSObjectMap *map); 364: 365: extern JSObjectMap * 366: js_DropObjectMap(JSContext *cx, JSObjectMap *map, JSObject *obj); 367: 1.1.1.2 ! root 368: extern JSBool ! 369: js_GetClassId(JSContext *cx, JSClass *clasp, jsid *idp); ! 370: 1.1 root 371: extern JSObject * 372: js_NewObject(JSContext *cx, JSClass *clasp, JSObject *proto, JSObject *parent); 373: 1.1.1.2 ! root 374: /* ! 375: * Fast access to immutable standard objects (constructors and prototypes). ! 376: */ ! 377: extern JSBool ! 378: js_GetClassObject(JSContext *cx, JSObject *obj, JSProtoKey key, ! 379: JSObject **objp); ! 380: ! 381: extern JSBool ! 382: js_SetClassObject(JSContext *cx, JSObject *obj, JSProtoKey key, JSObject *cobj); ! 383: ! 384: extern JSBool ! 385: js_FindClassObject(JSContext *cx, JSObject *start, jsid id, jsval *vp); ! 386: 1.1 root 387: extern JSObject * 388: js_ConstructObject(JSContext *cx, JSClass *clasp, JSObject *proto, 389: JSObject *parent, uintN argc, jsval *argv); 390: 391: extern void 392: js_FinalizeObject(JSContext *cx, JSObject *obj); 393: 394: extern JSBool 395: js_AllocSlot(JSContext *cx, JSObject *obj, uint32 *slotp); 396: 397: extern void 398: js_FreeSlot(JSContext *cx, JSObject *obj, uint32 slot); 399: 400: /* 1.1.1.2 ! root 401: * Native property add and lookup variants that hide id in the hidden atom ! 402: * subspace, so as to avoid collisions between internal properties such as ! 403: * formal arguments and local variables in function objects, and externally ! 404: * set properties with the same ids. ! 405: */ ! 406: extern JSScopeProperty * ! 407: js_AddHiddenProperty(JSContext *cx, JSObject *obj, jsid id, ! 408: JSPropertyOp getter, JSPropertyOp setter, uint32 slot, ! 409: uintN attrs, uintN flags, intN shortid); ! 410: ! 411: extern JSBool ! 412: js_LookupHiddenProperty(JSContext *cx, JSObject *obj, jsid id, JSObject **objp, ! 413: JSProperty **propp); ! 414: ! 415: /* 1.1 root 416: * Find or create a property named by id in obj's scope, with the given getter 417: * and setter, slot, attributes, and other members. 418: */ 419: extern JSScopeProperty * 420: js_AddNativeProperty(JSContext *cx, JSObject *obj, jsid id, 421: JSPropertyOp getter, JSPropertyOp setter, uint32 slot, 422: uintN attrs, uintN flags, intN shortid); 423: 424: /* 425: * Change sprop to have the given attrs, getter, and setter in scope, morphing 426: * it into a potentially new JSScopeProperty. Return a pointer to the changed 427: * or identical property. 428: */ 429: extern JSScopeProperty * 430: js_ChangeNativePropertyAttrs(JSContext *cx, JSObject *obj, 431: JSScopeProperty *sprop, uintN attrs, uintN mask, 432: JSPropertyOp getter, JSPropertyOp setter); 433: 434: /* 435: * On error, return false. On success, if propp is non-null, return true with 436: * obj locked and with a held property in *propp; if propp is null, return true 437: * but release obj's lock first. Therefore all callers who pass non-null propp 438: * result parameters must later call OBJ_DROP_PROPERTY(cx, obj, *propp) both to 439: * drop the held property, and to release the lock on obj. 440: */ 441: extern JSBool 442: js_DefineProperty(JSContext *cx, JSObject *obj, jsid id, jsval value, 1.1.1.2 ! root 443: JSPropertyOp getter, JSPropertyOp setter, uintN attrs, ! 444: JSProperty **propp); 1.1 root 445: 446: extern JSBool 447: js_DefineNativeProperty(JSContext *cx, JSObject *obj, jsid id, jsval value, 448: JSPropertyOp getter, JSPropertyOp setter, uintN attrs, 449: uintN flags, intN shortid, JSProperty **propp); 450: 451: /* 452: * Unlike js_DefineProperty, propp must be non-null. On success, and if id was 453: * found, return true with *objp non-null and locked, and with a held property 454: * stored in *propp. If successful but id was not found, return true with both 455: * *objp and *propp null. Therefore all callers who receive a non-null *propp 456: * must later call OBJ_DROP_PROPERTY(cx, *objp, *propp). 457: */ 458: extern JS_FRIEND_API(JSBool) 459: js_LookupProperty(JSContext *cx, JSObject *obj, jsid id, JSObject **objp, 1.1.1.2 ! root 460: JSProperty **propp); 1.1 root 461: 462: /* 463: * Specialized subroutine that allows caller to preset JSRESOLVE_* flags. 1.1.1.2 ! root 464: * JSRESOLVE_HIDDEN flags hidden function param/local name lookups, just for ! 465: * internal use by fun_resolve and similar built-ins. 1.1 root 466: */ 467: extern JSBool 468: js_LookupPropertyWithFlags(JSContext *cx, JSObject *obj, jsid id, uintN flags, 1.1.1.2 ! root 469: JSObject **objp, JSProperty **propp); ! 470: ! 471: #define JSRESOLVE_HIDDEN 0x8000 1.1 root 472: 473: extern JS_FRIEND_API(JSBool) 474: js_FindProperty(JSContext *cx, jsid id, JSObject **objp, JSObject **pobjp, 1.1.1.2 ! root 475: JSProperty **propp); 1.1 root 476: 477: extern JSObject * 478: js_FindIdentifierBase(JSContext *cx, jsid id); 479: 480: extern JSObject * 481: js_FindVariableScope(JSContext *cx, JSFunction **funp); 482: 1.1.1.2 ! root 483: /* ! 484: * NB: js_NativeGet and js_NativeSet are called with the scope containing sprop ! 485: * (pobj's scope for Get, obj's for Set) locked, and on successful return, that ! 486: * scope is again locked. But on failure, both functions return false with the ! 487: * scope containing sprop unlocked. ! 488: */ ! 489: extern JSBool ! 490: js_NativeGet(JSContext *cx, JSObject *obj, JSObject *pobj, ! 491: JSScopeProperty *sprop, jsval *vp); ! 492: ! 493: extern JSBool ! 494: js_NativeSet(JSContext *cx, JSObject *obj, JSScopeProperty *sprop, jsval *vp); ! 495: 1.1 root 496: extern JSBool 497: js_GetProperty(JSContext *cx, JSObject *obj, jsid id, jsval *vp); 498: 499: extern JSBool 500: js_SetProperty(JSContext *cx, JSObject *obj, jsid id, jsval *vp); 501: 502: extern JSBool 503: js_GetAttributes(JSContext *cx, JSObject *obj, jsid id, JSProperty *prop, 1.1.1.2 ! root 504: uintN *attrsp); 1.1 root 505: 506: extern JSBool 507: js_SetAttributes(JSContext *cx, JSObject *obj, jsid id, JSProperty *prop, 1.1.1.2 ! root 508: uintN *attrsp); 1.1 root 509: 510: extern JSBool 511: js_DeleteProperty(JSContext *cx, JSObject *obj, jsid id, jsval *rval); 512: 513: extern JSBool 514: js_DefaultValue(JSContext *cx, JSObject *obj, JSType hint, jsval *vp); 515: 516: extern JSIdArray * 517: js_NewIdArray(JSContext *cx, jsint length); 518: 1.1.1.2 ! root 519: /* ! 520: * Unlike realloc(3), this function frees ida on failure. ! 521: */ 1.1 root 522: extern JSIdArray * 1.1.1.2 ! root 523: js_SetIdArrayLength(JSContext *cx, JSIdArray *ida, jsint length); 1.1 root 524: 525: extern JSBool 526: js_Enumerate(JSContext *cx, JSObject *obj, JSIterateOp enum_op, 1.1.1.2 ! root 527: jsval *statep, jsid *idp); ! 528: ! 529: extern void ! 530: js_MarkNativeIteratorStates(JSContext *cx); 1.1 root 531: 532: extern JSBool 533: js_CheckAccess(JSContext *cx, JSObject *obj, jsid id, JSAccessMode mode, 1.1.1.2 ! root 534: jsval *vp, uintN *attrsp); 1.1 root 535: 536: extern JSBool 537: js_Call(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval); 538: 539: extern JSBool 540: js_Construct(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, 1.1.1.2 ! root 541: jsval *rval); 1.1 root 542: 543: extern JSBool 544: js_HasInstance(JSContext *cx, JSObject *obj, jsval v, JSBool *bp); 545: 546: extern JSBool 547: js_SetProtoOrParent(JSContext *cx, JSObject *obj, uint32 slot, JSObject *pobj); 548: 549: extern JSBool 550: js_IsDelegate(JSContext *cx, JSObject *obj, jsval v, JSBool *bp); 551: 552: extern JSBool 1.1.1.2 ! root 553: js_GetClassPrototype(JSContext *cx, JSObject *scope, jsid id, ! 554: JSObject **protop); 1.1 root 555: 556: extern JSBool 557: js_SetClassPrototype(JSContext *cx, JSObject *ctor, JSObject *proto, 1.1.1.2 ! root 558: uintN attrs); 1.1 root 559: 560: extern JSBool 561: js_ValueToObject(JSContext *cx, jsval v, JSObject **objp); 562: 563: extern JSObject * 564: js_ValueToNonNullObject(JSContext *cx, jsval v); 565: 566: extern JSBool 567: js_TryValueOf(JSContext *cx, JSObject *obj, JSType type, jsval *rval); 568: 569: extern JSBool 570: js_TryMethod(JSContext *cx, JSObject *obj, JSAtom *atom, 1.1.1.2 ! root 571: uintN argc, jsval *argv, jsval *rval); 1.1 root 572: 573: extern JSBool 574: js_XDRObject(JSXDRState *xdr, JSObject **objp); 575: 576: extern uint32 577: js_Mark(JSContext *cx, JSObject *obj, void *arg); 578: 579: extern void 580: js_Clear(JSContext *cx, JSObject *obj); 581: 582: extern jsval 583: js_GetRequiredSlot(JSContext *cx, JSObject *obj, uint32 slot); 584: 585: extern JSBool 586: js_SetRequiredSlot(JSContext *cx, JSObject *obj, uint32 slot, jsval v); 587: 1.1.1.2 ! root 588: extern JSObject * ! 589: js_CheckScopeChainValidity(JSContext *cx, JSObject *scopeobj, const char *caller); ! 590: ! 591: extern JSBool ! 592: js_CheckPrincipalsAccess(JSContext *cx, JSObject *scopeobj, ! 593: JSPrincipals *principals, JSAtom *caller); 1.1 root 594: JS_END_EXTERN_C 595: 596: #endif /* jsobj_h___ */
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