xref: /reactos/dll/win32/jscript/dispex.c (revision 53221834)
1 /*
2  * Copyright 2008 Jacek Caban for CodeWeavers
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
17  */
18 
19 #include <assert.h>
20 
21 #include "jscript.h"
22 
23 #include "wine/debug.h"
24 
25 WINE_DEFAULT_DEBUG_CHANNEL(jscript);
26 
27 #define FDEX_VERSION_MASK 0xf0000000
28 #define GOLDEN_RATIO 0x9E3779B9U
29 
30 typedef enum {
31     PROP_JSVAL,
32     PROP_BUILTIN,
33     PROP_PROTREF,
34     PROP_ACCESSOR,
35     PROP_DELETED,
36     PROP_IDX
37 } prop_type_t;
38 
39 struct _dispex_prop_t {
40     WCHAR *name;
41     unsigned hash;
42     prop_type_t type;
43     DWORD flags;
44 
45     union {
46         jsval_t val;
47         const builtin_prop_t *p;
48         DWORD ref;
49         unsigned idx;
50         struct {
51             jsdisp_t *getter;
52             jsdisp_t *setter;
53         } accessor;
54     } u;
55 
56     int bucket_head;
57     int bucket_next;
58 };
59 
60 static inline DISPID prop_to_id(jsdisp_t *This, dispex_prop_t *prop)
61 {
62     return prop - This->props;
63 }
64 
65 static inline dispex_prop_t *get_prop(jsdisp_t *This, DISPID id)
66 {
67     if(id < 0 || id >= This->prop_cnt || This->props[id].type == PROP_DELETED)
68         return NULL;
69 
70     return This->props+id;
71 }
72 
73 static DWORD get_flags(jsdisp_t *This, dispex_prop_t *prop)
74 {
75     if(prop->type == PROP_PROTREF) {
76         dispex_prop_t *parent = get_prop(This->prototype, prop->u.ref);
77         if(!parent) {
78             prop->type = PROP_DELETED;
79             return 0;
80         }
81 
82         return get_flags(This->prototype, parent);
83     }
84 
85     return prop->flags;
86 }
87 
88 static const builtin_prop_t *find_builtin_prop(jsdisp_t *This, const WCHAR *name)
89 {
90     int min = 0, max, i, r;
91 
92     max = This->builtin_info->props_cnt-1;
93     while(min <= max) {
94         i = (min+max)/2;
95 
96         r = wcscmp(name, This->builtin_info->props[i].name);
97         if(!r) {
98             /* Skip prop if it's available only in higher compatibility mode. */
99             unsigned version = (This->builtin_info->props[i].flags & PROPF_VERSION_MASK)
100                 >> PROPF_VERSION_SHIFT;
101             if(version && version > This->ctx->version)
102                 return NULL;
103 
104             /* Skip prop if it's available only in HTML mode and we're not running in HTML mode. */
105             if((This->builtin_info->props[i].flags & PROPF_HTML) && !This->ctx->html_mode)
106                 return NULL;
107 
108             return This->builtin_info->props + i;
109         }
110 
111         if(r < 0)
112             max = i-1;
113         else
114             min = i+1;
115     }
116 
117     return NULL;
118 }
119 
120 static inline unsigned string_hash(const WCHAR *name)
121 {
122     unsigned h = 0;
123     for(; *name; name++)
124         h = (h>>(sizeof(unsigned)*8-4)) ^ (h<<4) ^ towlower(*name);
125     return h;
126 }
127 
128 static inline unsigned get_props_idx(jsdisp_t *This, unsigned hash)
129 {
130     return (hash*GOLDEN_RATIO) & (This->buf_size-1);
131 }
132 
133 static inline HRESULT resize_props(jsdisp_t *This)
134 {
135     dispex_prop_t *props;
136     int i, bucket;
137 
138     if(This->buf_size != This->prop_cnt)
139         return S_FALSE;
140 
141     props = heap_realloc(This->props, sizeof(dispex_prop_t)*This->buf_size*2);
142     if(!props)
143         return E_OUTOFMEMORY;
144     This->buf_size *= 2;
145     This->props = props;
146 
147     for(i=0; i<This->buf_size; i++) {
148         This->props[i].bucket_head = 0;
149         This->props[i].bucket_next = 0;
150     }
151 
152     for(i=1; i<This->prop_cnt; i++) {
153         props = This->props+i;
154 
155         bucket = get_props_idx(This, props->hash);
156         props->bucket_next = This->props[bucket].bucket_head;
157         This->props[bucket].bucket_head = i;
158     }
159 
160     return S_OK;
161 }
162 
163 static inline dispex_prop_t* alloc_prop(jsdisp_t *This, const WCHAR *name, prop_type_t type, DWORD flags)
164 {
165     dispex_prop_t *prop;
166     unsigned bucket;
167 
168     if(FAILED(resize_props(This)))
169         return NULL;
170 
171     prop = &This->props[This->prop_cnt];
172     prop->name = heap_strdupW(name);
173     if(!prop->name)
174         return NULL;
175     prop->type = type;
176     prop->flags = flags;
177     prop->hash = string_hash(name);
178 
179     bucket = get_props_idx(This, prop->hash);
180     prop->bucket_next = This->props[bucket].bucket_head;
181     This->props[bucket].bucket_head = This->prop_cnt++;
182     return prop;
183 }
184 
185 static dispex_prop_t *alloc_protref(jsdisp_t *This, const WCHAR *name, DWORD ref)
186 {
187     dispex_prop_t *ret;
188 
189     ret = alloc_prop(This, name, PROP_PROTREF, 0);
190     if(!ret)
191         return NULL;
192 
193     ret->u.ref = ref;
194     return ret;
195 }
196 
197 static HRESULT find_prop_name(jsdisp_t *This, unsigned hash, const WCHAR *name, dispex_prop_t **ret)
198 {
199     const builtin_prop_t *builtin;
200     unsigned bucket, pos, prev = 0;
201     dispex_prop_t *prop;
202 
203     bucket = get_props_idx(This, hash);
204     pos = This->props[bucket].bucket_head;
205     while(pos != 0) {
206         if(!wcscmp(name, This->props[pos].name)) {
207             if(prev != 0) {
208                 This->props[prev].bucket_next = This->props[pos].bucket_next;
209                 This->props[pos].bucket_next = This->props[bucket].bucket_head;
210                 This->props[bucket].bucket_head = pos;
211             }
212 
213             *ret = &This->props[pos];
214             return S_OK;
215         }
216 
217         prev = pos;
218         pos = This->props[pos].bucket_next;
219     }
220 
221     builtin = find_builtin_prop(This, name);
222     if(builtin) {
223         unsigned flags = builtin->flags;
224         if(flags & PROPF_METHOD)
225             flags |= PROPF_WRITABLE | PROPF_CONFIGURABLE;
226         else if(builtin->setter)
227             flags |= PROPF_WRITABLE;
228         flags &= PROPF_ENUMERABLE | PROPF_WRITABLE | PROPF_CONFIGURABLE;
229         prop = alloc_prop(This, name, PROP_BUILTIN, flags);
230         if(!prop)
231             return E_OUTOFMEMORY;
232 
233         prop->u.p = builtin;
234         *ret = prop;
235         return S_OK;
236     }
237 
238     if(This->builtin_info->idx_length) {
239         const WCHAR *ptr;
240         unsigned idx = 0;
241 
242         for(ptr = name; iswdigit(*ptr) && idx < 0x10000; ptr++)
243             idx = idx*10 + (*ptr-'0');
244         if(!*ptr && idx < This->builtin_info->idx_length(This)) {
245             prop = alloc_prop(This, name, PROP_IDX, This->builtin_info->idx_put ? PROPF_WRITABLE : 0);
246             if(!prop)
247                 return E_OUTOFMEMORY;
248 
249             prop->u.idx = idx;
250             *ret = prop;
251             return S_OK;
252         }
253     }
254 
255     *ret = NULL;
256     return S_OK;
257 }
258 
259 static HRESULT find_prop_name_prot(jsdisp_t *This, unsigned hash, const WCHAR *name, dispex_prop_t **ret)
260 {
261     dispex_prop_t *prop, *del=NULL;
262     HRESULT hres;
263 
264     hres = find_prop_name(This, hash, name, &prop);
265     if(FAILED(hres))
266         return hres;
267     if(prop && prop->type==PROP_DELETED) {
268         del = prop;
269     } else if(prop) {
270         *ret = prop;
271         return S_OK;
272     }
273 
274     if(This->prototype) {
275         hres = find_prop_name_prot(This->prototype, hash, name, &prop);
276         if(FAILED(hres))
277             return hres;
278         if(prop) {
279             if(del) {
280                 del->type = PROP_PROTREF;
281                 del->u.ref = prop - This->prototype->props;
282                 prop = del;
283             }else {
284                 prop = alloc_protref(This, prop->name, prop - This->prototype->props);
285                 if(!prop)
286                     return E_OUTOFMEMORY;
287             }
288 
289             *ret = prop;
290             return S_OK;
291         }
292     }
293 
294     *ret = del;
295     return S_OK;
296 }
297 
298 static HRESULT ensure_prop_name(jsdisp_t *This, const WCHAR *name, DWORD create_flags, dispex_prop_t **ret)
299 {
300     dispex_prop_t *prop;
301     HRESULT hres;
302 
303     hres = find_prop_name_prot(This, string_hash(name), name, &prop);
304     if(SUCCEEDED(hres) && (!prop || prop->type == PROP_DELETED)) {
305         TRACE("creating prop %s flags %x\n", debugstr_w(name), create_flags);
306 
307         if(prop) {
308             prop->type = PROP_JSVAL;
309             prop->flags = create_flags;
310             prop->u.val = jsval_undefined();
311         }else {
312             prop = alloc_prop(This, name, PROP_JSVAL, create_flags);
313             if(!prop)
314                 return E_OUTOFMEMORY;
315         }
316 
317         prop->u.val = jsval_undefined();
318     }
319 
320     *ret = prop;
321     return hres;
322 }
323 
324 static IDispatch *get_this(DISPPARAMS *dp)
325 {
326     DWORD i;
327 
328     for(i=0; i < dp->cNamedArgs; i++) {
329         if(dp->rgdispidNamedArgs[i] == DISPID_THIS) {
330             if(V_VT(dp->rgvarg+i) == VT_DISPATCH)
331                 return V_DISPATCH(dp->rgvarg+i);
332 
333             WARN("This is not VT_DISPATCH\n");
334             return NULL;
335         }
336     }
337 
338     TRACE("no this passed\n");
339     return NULL;
340 }
341 
342 static HRESULT convert_params(const DISPPARAMS *dp, jsval_t *buf, unsigned *argc, jsval_t **ret)
343 {
344     jsval_t *argv;
345     unsigned cnt;
346     unsigned i;
347     HRESULT hres;
348 
349     cnt = dp->cArgs - dp->cNamedArgs;
350 
351     if(cnt > 6) {
352         argv = heap_alloc(cnt * sizeof(*argv));
353         if(!argv)
354             return E_OUTOFMEMORY;
355     }else {
356         argv = buf;
357     }
358 
359     for(i = 0; i < cnt; i++) {
360         hres = variant_to_jsval(dp->rgvarg+dp->cArgs-i-1, argv+i);
361         if(FAILED(hres)) {
362             while(i--)
363                 jsval_release(argv[i]);
364             if(argv != buf)
365                 heap_free(argv);
366             return hres;
367         }
368     }
369 
370     *argc = cnt;
371     *ret = argv;
372     return S_OK;
373 }
374 
375 static HRESULT invoke_prop_func(jsdisp_t *This, IDispatch *jsthis, dispex_prop_t *prop, WORD flags,
376         unsigned argc, jsval_t *argv, jsval_t *r, IServiceProvider *caller)
377 {
378     HRESULT hres;
379 
380     switch(prop->type) {
381     case PROP_BUILTIN: {
382         if(flags == DISPATCH_CONSTRUCT && (prop->flags & PROPF_METHOD)) {
383             WARN("%s is not a constructor\n", debugstr_w(prop->name));
384             return E_INVALIDARG;
385         }
386 
387         if(prop->name || This->builtin_info->class != JSCLASS_FUNCTION) {
388             vdisp_t vthis;
389 
390             if(This->builtin_info->class != JSCLASS_FUNCTION && prop->u.p->invoke != JSGlobal_eval)
391                 flags &= ~DISPATCH_JSCRIPT_INTERNAL_MASK;
392             if(jsthis)
393                 set_disp(&vthis, jsthis);
394             else
395                 set_jsdisp(&vthis, This);
396             hres = prop->u.p->invoke(This->ctx, &vthis, flags, argc, argv, r);
397             vdisp_release(&vthis);
398         }else {
399             /* Function object calls are special case */
400             hres = Function_invoke(This, jsthis, flags, argc, argv, r);
401         }
402         return hres;
403     }
404     case PROP_PROTREF:
405         return invoke_prop_func(This->prototype, jsthis, This->prototype->props+prop->u.ref,
406                 flags, argc, argv, r, caller);
407     case PROP_JSVAL: {
408         if(!is_object_instance(prop->u.val)) {
409             FIXME("invoke %s\n", debugstr_jsval(prop->u.val));
410             return E_FAIL;
411         }
412 
413         TRACE("call %s %p\n", debugstr_w(prop->name), get_object(prop->u.val));
414 
415         return disp_call_value(This->ctx, get_object(prop->u.val), jsthis, flags, argc, argv, r);
416     }
417     case PROP_ACCESSOR:
418         FIXME("accessor\n");
419         return E_NOTIMPL;
420     case PROP_IDX:
421         FIXME("Invoking PROP_IDX not yet supported\n");
422         return E_NOTIMPL;
423     case PROP_DELETED:
424         assert(0);
425     }
426 
427     assert(0);
428     return E_FAIL;
429 }
430 
431 static HRESULT prop_get(jsdisp_t *This, dispex_prop_t *prop,  jsval_t *r)
432 {
433     jsdisp_t *prop_obj = This;
434     HRESULT hres;
435 
436     while(prop->type == PROP_PROTREF) {
437         prop_obj = prop_obj->prototype;
438         prop = prop_obj->props + prop->u.ref;
439     }
440 
441     switch(prop->type) {
442     case PROP_BUILTIN:
443         if(prop->u.p->getter) {
444             hres = prop->u.p->getter(This->ctx, This, r);
445         }else {
446             jsdisp_t *obj;
447 
448             assert(prop->u.p->invoke != NULL);
449             hres = create_builtin_function(This->ctx, prop->u.p->invoke, prop->u.p->name, NULL,
450                     prop->u.p->flags, NULL, &obj);
451             if(FAILED(hres))
452                 break;
453 
454             prop->type = PROP_JSVAL;
455             prop->u.val = jsval_obj(obj);
456 
457             jsdisp_addref(obj);
458             *r = jsval_obj(obj);
459         }
460         break;
461     case PROP_JSVAL:
462         hres = jsval_copy(prop->u.val, r);
463         break;
464     case PROP_ACCESSOR:
465         if(prop->u.accessor.getter) {
466             hres = jsdisp_call_value(prop->u.accessor.getter, to_disp(This),
467                                      DISPATCH_METHOD, 0, NULL, r);
468         }else {
469             *r = jsval_undefined();
470             hres = S_OK;
471         }
472         break;
473     case PROP_IDX:
474         hres = prop_obj->builtin_info->idx_get(prop_obj, prop->u.idx, r);
475         break;
476     default:
477         ERR("type %d\n", prop->type);
478         return E_FAIL;
479     }
480 
481     if(FAILED(hres)) {
482         TRACE("fail %08x\n", hres);
483         return hres;
484     }
485 
486     TRACE("%s ret %s\n", debugstr_w(prop->name), debugstr_jsval(*r));
487     return hres;
488 }
489 
490 static HRESULT prop_put(jsdisp_t *This, dispex_prop_t *prop, jsval_t val)
491 {
492     HRESULT hres;
493 
494     if(prop->type == PROP_PROTREF) {
495         dispex_prop_t *prop_iter = prop;
496         jsdisp_t *prototype_iter = This;
497 
498         do {
499             prototype_iter = prototype_iter->prototype;
500             prop_iter = prototype_iter->props + prop_iter->u.ref;
501         } while(prop_iter->type == PROP_PROTREF);
502 
503         if(prop_iter->type == PROP_ACCESSOR)
504             prop = prop_iter;
505     }
506 
507     switch(prop->type) {
508     case PROP_BUILTIN:
509         if(!prop->u.p->setter) {
510             TRACE("getter with no setter\n");
511             return S_OK;
512         }
513         return prop->u.p->setter(This->ctx, This, val);
514     case PROP_PROTREF:
515     case PROP_DELETED:
516         prop->type = PROP_JSVAL;
517         prop->flags = PROPF_ENUMERABLE | PROPF_CONFIGURABLE | PROPF_WRITABLE;
518         prop->u.val = jsval_undefined();
519         break;
520     case PROP_JSVAL:
521         if(!(prop->flags & PROPF_WRITABLE))
522             return S_OK;
523 
524         jsval_release(prop->u.val);
525         break;
526     case PROP_ACCESSOR:
527         if(!prop->u.accessor.setter) {
528             TRACE("no setter\n");
529             return S_OK;
530         }
531         return jsdisp_call_value(prop->u.accessor.setter, to_disp(This), DISPATCH_METHOD, 1, &val, NULL);
532     case PROP_IDX:
533         if(!This->builtin_info->idx_put) {
534             TRACE("no put_idx\n");
535             return S_OK;
536         }
537         return This->builtin_info->idx_put(This, prop->u.idx, val);
538     default:
539         ERR("type %d\n", prop->type);
540         return E_FAIL;
541     }
542 
543     TRACE("%s = %s\n", debugstr_w(prop->name), debugstr_jsval(val));
544 
545     hres = jsval_copy(val, &prop->u.val);
546     if(FAILED(hres))
547         return hres;
548 
549     if(This->builtin_info->on_put)
550         This->builtin_info->on_put(This, prop->name);
551 
552     return S_OK;
553 }
554 
555 HRESULT builtin_set_const(script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t value)
556 {
557     TRACE("%p %s\n", jsthis, debugstr_jsval(value));
558     return S_OK;
559 }
560 
561 static HRESULT fill_protrefs(jsdisp_t *This)
562 {
563     dispex_prop_t *iter, *prop;
564     HRESULT hres;
565 
566     if(!This->prototype)
567         return S_OK;
568 
569     fill_protrefs(This->prototype);
570 
571     for(iter = This->prototype->props; iter < This->prototype->props+This->prototype->prop_cnt; iter++) {
572         if(!iter->name)
573             continue;
574         hres = find_prop_name(This, iter->hash, iter->name, &prop);
575         if(FAILED(hres))
576             return hres;
577         if(!prop || prop->type==PROP_DELETED) {
578             if(prop) {
579                 prop->type = PROP_PROTREF;
580                 prop->flags = 0;
581                 prop->u.ref = iter - This->prototype->props;
582             }else {
583                 prop = alloc_protref(This, iter->name, iter - This->prototype->props);
584                 if(!prop)
585                     return E_OUTOFMEMORY;
586             }
587         }
588     }
589 
590     return S_OK;
591 }
592 
593 static inline jsdisp_t *impl_from_IDispatchEx(IDispatchEx *iface)
594 {
595     return CONTAINING_RECORD(iface, jsdisp_t, IDispatchEx_iface);
596 }
597 
598 static HRESULT WINAPI DispatchEx_QueryInterface(IDispatchEx *iface, REFIID riid, void **ppv)
599 {
600     jsdisp_t *This = impl_from_IDispatchEx(iface);
601 
602     if(IsEqualGUID(&IID_IUnknown, riid)) {
603         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
604         *ppv = &This->IDispatchEx_iface;
605     }else if(IsEqualGUID(&IID_IDispatch, riid)) {
606         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
607         *ppv = &This->IDispatchEx_iface;
608     }else if(IsEqualGUID(&IID_IDispatchEx, riid)) {
609         TRACE("(%p)->(IID_IDispatchEx %p)\n", This, ppv);
610         *ppv = &This->IDispatchEx_iface;
611     }else {
612         WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
613         *ppv = NULL;
614         return E_NOINTERFACE;
615     }
616 
617     jsdisp_addref(This);
618     return S_OK;
619 }
620 
621 static ULONG WINAPI DispatchEx_AddRef(IDispatchEx *iface)
622 {
623     jsdisp_t *This = impl_from_IDispatchEx(iface);
624     jsdisp_addref(This);
625     return This->ref;
626 }
627 
628 static ULONG WINAPI DispatchEx_Release(IDispatchEx *iface)
629 {
630     jsdisp_t *This = impl_from_IDispatchEx(iface);
631     ULONG ref = --This->ref;
632     TRACE("(%p) ref=%d\n", This, ref);
633     if(!ref)
634         jsdisp_free(This);
635     return ref;
636 }
637 
638 static HRESULT WINAPI DispatchEx_GetTypeInfoCount(IDispatchEx *iface, UINT *pctinfo)
639 {
640     jsdisp_t *This = impl_from_IDispatchEx(iface);
641 
642     TRACE("(%p)->(%p)\n", This, pctinfo);
643 
644     *pctinfo = 1;
645     return S_OK;
646 }
647 
648 static HRESULT WINAPI DispatchEx_GetTypeInfo(IDispatchEx *iface, UINT iTInfo, LCID lcid,
649                                               ITypeInfo **ppTInfo)
650 {
651     jsdisp_t *This = impl_from_IDispatchEx(iface);
652     FIXME("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
653     return E_NOTIMPL;
654 }
655 
656 static HRESULT WINAPI DispatchEx_GetIDsOfNames(IDispatchEx *iface, REFIID riid,
657                                                 LPOLESTR *rgszNames, UINT cNames, LCID lcid,
658                                                 DISPID *rgDispId)
659 {
660     jsdisp_t *This = impl_from_IDispatchEx(iface);
661     UINT i;
662     HRESULT hres;
663 
664     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
665           lcid, rgDispId);
666 
667     for(i=0; i < cNames; i++) {
668         hres = IDispatchEx_GetDispID(&This->IDispatchEx_iface, rgszNames[i], 0, rgDispId+i);
669         if(FAILED(hres))
670             return hres;
671     }
672 
673     return S_OK;
674 }
675 
676 static HRESULT WINAPI DispatchEx_Invoke(IDispatchEx *iface, DISPID dispIdMember,
677                                         REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
678                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
679 {
680     jsdisp_t *This = impl_from_IDispatchEx(iface);
681 
682     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
683           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
684 
685     return IDispatchEx_InvokeEx(&This->IDispatchEx_iface, dispIdMember, lcid, wFlags,
686             pDispParams, pVarResult, pExcepInfo, NULL);
687 }
688 
689 static HRESULT WINAPI DispatchEx_GetDispID(IDispatchEx *iface, BSTR bstrName, DWORD grfdex, DISPID *pid)
690 {
691     jsdisp_t *This = impl_from_IDispatchEx(iface);
692 
693     TRACE("(%p)->(%s %x %p)\n", This, debugstr_w(bstrName), grfdex, pid);
694 
695     if(grfdex & ~(fdexNameCaseSensitive|fdexNameEnsure|fdexNameImplicit|FDEX_VERSION_MASK)) {
696         FIXME("Unsupported grfdex %x\n", grfdex);
697         return E_NOTIMPL;
698     }
699 
700     return jsdisp_get_id(This, bstrName, grfdex, pid);
701 }
702 
703 static HRESULT WINAPI DispatchEx_InvokeEx(IDispatchEx *iface, DISPID id, LCID lcid, WORD wFlags, DISPPARAMS *pdp,
704         VARIANT *pvarRes, EXCEPINFO *pei, IServiceProvider *pspCaller)
705 {
706     jsdisp_t *This = impl_from_IDispatchEx(iface);
707     dispex_prop_t *prop;
708     HRESULT hres;
709 
710     TRACE("(%p)->(%x %x %x %p %p %p %p)\n", This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
711 
712     if(pvarRes)
713         V_VT(pvarRes) = VT_EMPTY;
714 
715     prop = get_prop(This, id);
716     if(!prop || prop->type == PROP_DELETED) {
717         TRACE("invalid id\n");
718         return DISP_E_MEMBERNOTFOUND;
719     }
720 
721     clear_ei(This->ctx);
722 
723     switch(wFlags) {
724     case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
725         wFlags = DISPATCH_METHOD;
726         /* fall through */
727     case DISPATCH_METHOD:
728     case DISPATCH_CONSTRUCT: {
729         jsval_t *argv, buf[6], r;
730         unsigned argc;
731 
732         hres = convert_params(pdp, buf, &argc, &argv);
733         if(FAILED(hres))
734             return hres;
735 
736         hres = invoke_prop_func(This, get_this(pdp), prop, wFlags, argc, argv, pvarRes ? &r : NULL, pspCaller);
737         if(argv != buf)
738             heap_free(argv);
739         if(SUCCEEDED(hres) && pvarRes) {
740             hres = jsval_to_variant(r, pvarRes);
741             jsval_release(r);
742         }
743         break;
744     }
745     case DISPATCH_PROPERTYGET: {
746         jsval_t r;
747 
748         hres = prop_get(This, prop, &r);
749         if(SUCCEEDED(hres)) {
750             hres = jsval_to_variant(r, pvarRes);
751             jsval_release(r);
752         }
753         break;
754     }
755     case DISPATCH_PROPERTYPUT: {
756         jsval_t val;
757         DWORD i;
758 
759         for(i=0; i < pdp->cNamedArgs; i++) {
760             if(pdp->rgdispidNamedArgs[i] == DISPID_PROPERTYPUT)
761                 break;
762         }
763 
764         if(i == pdp->cNamedArgs) {
765             TRACE("no value to set\n");
766             return DISP_E_PARAMNOTOPTIONAL;
767         }
768 
769         hres = variant_to_jsval(pdp->rgvarg+i, &val);
770         if(FAILED(hres))
771             return hres;
772 
773         hres = prop_put(This, prop, val);
774         jsval_release(val);
775         break;
776     }
777     default:
778         FIXME("Unimplemented flags %x\n", wFlags);
779         return E_INVALIDARG;
780     }
781 
782     if(pei)
783         *pei = This->ctx->ei.ei;
784     return hres;
785 }
786 
787 static HRESULT delete_prop(dispex_prop_t *prop, BOOL *ret)
788 {
789     if(!(prop->flags & PROPF_CONFIGURABLE)) {
790         *ret = FALSE;
791         return S_OK;
792     }
793 
794     *ret = TRUE; /* FIXME: not exactly right */
795 
796     if(prop->type == PROP_JSVAL) {
797         jsval_release(prop->u.val);
798         prop->type = PROP_DELETED;
799     }
800     if(prop->type == PROP_ACCESSOR)
801         FIXME("not supported on accessor property\n");
802     return S_OK;
803 }
804 
805 static HRESULT WINAPI DispatchEx_DeleteMemberByName(IDispatchEx *iface, BSTR bstrName, DWORD grfdex)
806 {
807     jsdisp_t *This = impl_from_IDispatchEx(iface);
808     dispex_prop_t *prop;
809     BOOL b;
810     HRESULT hres;
811 
812     TRACE("(%p)->(%s %x)\n", This, debugstr_w(bstrName), grfdex);
813 
814     if(grfdex & ~(fdexNameCaseSensitive|fdexNameEnsure|fdexNameImplicit|FDEX_VERSION_MASK))
815         FIXME("Unsupported grfdex %x\n", grfdex);
816 
817     hres = find_prop_name(This, string_hash(bstrName), bstrName, &prop);
818     if(FAILED(hres))
819         return hres;
820     if(!prop) {
821         TRACE("not found\n");
822         return S_OK;
823     }
824 
825     return delete_prop(prop, &b);
826 }
827 
828 static HRESULT WINAPI DispatchEx_DeleteMemberByDispID(IDispatchEx *iface, DISPID id)
829 {
830     jsdisp_t *This = impl_from_IDispatchEx(iface);
831     dispex_prop_t *prop;
832     BOOL b;
833 
834     TRACE("(%p)->(%x)\n", This, id);
835 
836     prop = get_prop(This, id);
837     if(!prop) {
838         WARN("invalid id\n");
839         return DISP_E_MEMBERNOTFOUND;
840     }
841 
842     return delete_prop(prop, &b);
843 }
844 
845 static HRESULT WINAPI DispatchEx_GetMemberProperties(IDispatchEx *iface, DISPID id, DWORD grfdexFetch, DWORD *pgrfdex)
846 {
847     jsdisp_t *This = impl_from_IDispatchEx(iface);
848     FIXME("(%p)->(%x %x %p)\n", This, id, grfdexFetch, pgrfdex);
849     return E_NOTIMPL;
850 }
851 
852 static HRESULT WINAPI DispatchEx_GetMemberName(IDispatchEx *iface, DISPID id, BSTR *pbstrName)
853 {
854     jsdisp_t *This = impl_from_IDispatchEx(iface);
855     dispex_prop_t *prop;
856 
857     TRACE("(%p)->(%x %p)\n", This, id, pbstrName);
858 
859     prop = get_prop(This, id);
860     if(!prop || !prop->name || prop->type == PROP_DELETED)
861         return DISP_E_MEMBERNOTFOUND;
862 
863     *pbstrName = SysAllocString(prop->name);
864     if(!*pbstrName)
865         return E_OUTOFMEMORY;
866 
867     return S_OK;
868 }
869 
870 static HRESULT WINAPI DispatchEx_GetNextDispID(IDispatchEx *iface, DWORD grfdex, DISPID id, DISPID *pid)
871 {
872     jsdisp_t *This = impl_from_IDispatchEx(iface);
873     HRESULT hres;
874 
875     TRACE("(%p)->(%x %x %p)\n", This, grfdex, id, pid);
876 
877     hres = jsdisp_next_prop(This, id, FALSE, pid);
878     if(hres == S_FALSE)
879         *pid = DISPID_STARTENUM;
880     return hres;
881 }
882 
883 static HRESULT WINAPI DispatchEx_GetNameSpaceParent(IDispatchEx *iface, IUnknown **ppunk)
884 {
885     jsdisp_t *This = impl_from_IDispatchEx(iface);
886     FIXME("(%p)->(%p)\n", This, ppunk);
887     return E_NOTIMPL;
888 }
889 
890 static IDispatchExVtbl DispatchExVtbl = {
891     DispatchEx_QueryInterface,
892     DispatchEx_AddRef,
893     DispatchEx_Release,
894     DispatchEx_GetTypeInfoCount,
895     DispatchEx_GetTypeInfo,
896     DispatchEx_GetIDsOfNames,
897     DispatchEx_Invoke,
898     DispatchEx_GetDispID,
899     DispatchEx_InvokeEx,
900     DispatchEx_DeleteMemberByName,
901     DispatchEx_DeleteMemberByDispID,
902     DispatchEx_GetMemberProperties,
903     DispatchEx_GetMemberName,
904     DispatchEx_GetNextDispID,
905     DispatchEx_GetNameSpaceParent
906 };
907 
908 jsdisp_t *as_jsdisp(IDispatch *disp)
909 {
910     assert(disp->lpVtbl == (IDispatchVtbl*)&DispatchExVtbl);
911     return impl_from_IDispatchEx((IDispatchEx*)disp);
912 }
913 
914 jsdisp_t *to_jsdisp(IDispatch *disp)
915 {
916     return disp->lpVtbl == (IDispatchVtbl*)&DispatchExVtbl ? impl_from_IDispatchEx((IDispatchEx*)disp) : NULL;
917 }
918 
919 HRESULT init_dispex(jsdisp_t *dispex, script_ctx_t *ctx, const builtin_info_t *builtin_info, jsdisp_t *prototype)
920 {
921     TRACE("%p (%p)\n", dispex, prototype);
922 
923     dispex->IDispatchEx_iface.lpVtbl = &DispatchExVtbl;
924     dispex->ref = 1;
925     dispex->builtin_info = builtin_info;
926 
927     dispex->props = heap_alloc_zero(sizeof(dispex_prop_t)*(dispex->buf_size=4));
928     if(!dispex->props)
929         return E_OUTOFMEMORY;
930 
931     dispex->prototype = prototype;
932     if(prototype)
933         jsdisp_addref(prototype);
934 
935     dispex->prop_cnt = 1;
936     if(builtin_info->value_prop.invoke || builtin_info->value_prop.getter) {
937         dispex->props[0].type = PROP_BUILTIN;
938         dispex->props[0].u.p = &builtin_info->value_prop;
939     }else {
940         dispex->props[0].type = PROP_DELETED;
941     }
942 
943     script_addref(ctx);
944     dispex->ctx = ctx;
945 
946     return S_OK;
947 }
948 
949 static const builtin_info_t dispex_info = {
950     JSCLASS_NONE,
951     {NULL, NULL, 0},
952     0, NULL,
953     NULL,
954     NULL
955 };
956 
957 HRESULT create_dispex(script_ctx_t *ctx, const builtin_info_t *builtin_info, jsdisp_t *prototype, jsdisp_t **dispex)
958 {
959     jsdisp_t *ret;
960     HRESULT hres;
961 
962     ret = heap_alloc_zero(sizeof(jsdisp_t));
963     if(!ret)
964         return E_OUTOFMEMORY;
965 
966     hres = init_dispex(ret, ctx, builtin_info ? builtin_info : &dispex_info, prototype);
967     if(FAILED(hres)) {
968         heap_free(ret);
969         return hres;
970     }
971 
972     *dispex = ret;
973     return S_OK;
974 }
975 
976 void jsdisp_free(jsdisp_t *obj)
977 {
978     dispex_prop_t *prop;
979 
980     TRACE("(%p)\n", obj);
981 
982     for(prop = obj->props; prop < obj->props+obj->prop_cnt; prop++) {
983         switch(prop->type) {
984         case PROP_JSVAL:
985             jsval_release(prop->u.val);
986             break;
987         case PROP_ACCESSOR:
988             if(prop->u.accessor.getter)
989                 jsdisp_release(prop->u.accessor.getter);
990             if(prop->u.accessor.setter)
991                 jsdisp_release(prop->u.accessor.setter);
992             break;
993         default:
994             break;
995         };
996         heap_free(prop->name);
997     }
998     heap_free(obj->props);
999     script_release(obj->ctx);
1000     if(obj->prototype)
1001         jsdisp_release(obj->prototype);
1002 
1003     if(obj->builtin_info->destructor)
1004         obj->builtin_info->destructor(obj);
1005     else
1006         heap_free(obj);
1007 }
1008 
1009 #ifdef TRACE_REFCNT
1010 
1011 jsdisp_t *jsdisp_addref(jsdisp_t *jsdisp)
1012 {
1013     ULONG ref = ++jsdisp->ref;
1014     TRACE("(%p) ref=%d\n", jsdisp, ref);
1015     return jsdisp;
1016 }
1017 
1018 void jsdisp_release(jsdisp_t *jsdisp)
1019 {
1020     ULONG ref = --jsdisp->ref;
1021 
1022     TRACE("(%p) ref=%d\n", jsdisp, ref);
1023 
1024     if(!ref)
1025         jsdisp_free(jsdisp);
1026 }
1027 
1028 #endif
1029 
1030 HRESULT init_dispex_from_constr(jsdisp_t *dispex, script_ctx_t *ctx, const builtin_info_t *builtin_info, jsdisp_t *constr)
1031 {
1032     jsdisp_t *prot = NULL;
1033     dispex_prop_t *prop;
1034     HRESULT hres;
1035 
1036     static const WCHAR prototypeW[] = {'p','r','o','t','o','t','y','p','e',0};
1037 
1038     hres = find_prop_name_prot(constr, string_hash(prototypeW), prototypeW, &prop);
1039     if(SUCCEEDED(hres) && prop && prop->type!=PROP_DELETED) {
1040         jsval_t val;
1041 
1042         hres = prop_get(constr, prop, &val);
1043         if(FAILED(hres)) {
1044             ERR("Could not get prototype\n");
1045             return hres;
1046         }
1047 
1048         if(is_object_instance(val))
1049             prot = iface_to_jsdisp(get_object(val));
1050         jsval_release(val);
1051     }
1052 
1053     hres = init_dispex(dispex, ctx, builtin_info, prot);
1054 
1055     if(prot)
1056         jsdisp_release(prot);
1057     return hres;
1058 }
1059 
1060 jsdisp_t *iface_to_jsdisp(IDispatch *iface)
1061 {
1062     return iface->lpVtbl == (const IDispatchVtbl*)&DispatchExVtbl
1063         ? jsdisp_addref( impl_from_IDispatchEx((IDispatchEx*)iface))
1064         : NULL;
1065 }
1066 
1067 HRESULT jsdisp_get_id(jsdisp_t *jsdisp, const WCHAR *name, DWORD flags, DISPID *id)
1068 {
1069     dispex_prop_t *prop;
1070     HRESULT hres;
1071 
1072     if(flags & fdexNameEnsure)
1073         hres = ensure_prop_name(jsdisp, name, PROPF_ENUMERABLE | PROPF_CONFIGURABLE | PROPF_WRITABLE,
1074                                 &prop);
1075     else
1076         hres = find_prop_name_prot(jsdisp, string_hash(name), name, &prop);
1077     if(FAILED(hres))
1078         return hres;
1079 
1080     if(prop && prop->type!=PROP_DELETED) {
1081         *id = prop_to_id(jsdisp, prop);
1082         return S_OK;
1083     }
1084 
1085     TRACE("not found %s\n", debugstr_w(name));
1086     return DISP_E_UNKNOWNNAME;
1087 }
1088 
1089 HRESULT jsdisp_call_value(jsdisp_t *jsfunc, IDispatch *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
1090 {
1091     HRESULT hres;
1092 
1093     assert(!(flags & ~(DISPATCH_METHOD|DISPATCH_CONSTRUCT|DISPATCH_JSCRIPT_INTERNAL_MASK)));
1094 
1095     if(is_class(jsfunc, JSCLASS_FUNCTION)) {
1096         hres = Function_invoke(jsfunc, jsthis, flags, argc, argv, r);
1097     }else {
1098         vdisp_t vdisp;
1099 
1100         if(!jsfunc->builtin_info->value_prop.invoke) {
1101             WARN("Not a function\n");
1102             return throw_type_error(jsfunc->ctx, JS_E_FUNCTION_EXPECTED, NULL);
1103         }
1104 
1105         set_disp(&vdisp, jsthis);
1106         flags &= ~DISPATCH_JSCRIPT_INTERNAL_MASK;
1107         hres = jsfunc->builtin_info->value_prop.invoke(jsfunc->ctx, &vdisp, flags, argc, argv, r);
1108         vdisp_release(&vdisp);
1109     }
1110     return hres;
1111 }
1112 
1113 HRESULT jsdisp_call(jsdisp_t *disp, DISPID id, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
1114 {
1115     dispex_prop_t *prop;
1116 
1117     prop = get_prop(disp, id);
1118     if(!prop)
1119         return DISP_E_MEMBERNOTFOUND;
1120 
1121     return invoke_prop_func(disp, to_disp(disp), prop, flags, argc, argv, r, NULL);
1122 }
1123 
1124 HRESULT jsdisp_call_name(jsdisp_t *disp, const WCHAR *name, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
1125 {
1126     dispex_prop_t *prop;
1127     HRESULT hres;
1128 
1129     hres = find_prop_name_prot(disp, string_hash(name), name, &prop);
1130     if(FAILED(hres))
1131         return hres;
1132 
1133     return invoke_prop_func(disp, to_disp(disp), prop, flags, argc, argv, r, NULL);
1134 }
1135 
1136 HRESULT disp_call(script_ctx_t *ctx, IDispatch *disp, DISPID id, WORD flags, unsigned argc, jsval_t *argv, jsval_t *ret)
1137 {
1138     IDispatchEx *dispex;
1139     jsdisp_t *jsdisp;
1140     VARIANT buf[6], retv;
1141     DISPPARAMS dp;
1142     unsigned i;
1143     HRESULT hres;
1144 
1145     jsdisp = iface_to_jsdisp(disp);
1146     if(jsdisp) {
1147         if(flags & DISPATCH_PROPERTYPUT) {
1148             FIXME("disp_call(propput) on builtin object\n");
1149             return E_FAIL;
1150         }
1151 
1152         if(ctx != jsdisp->ctx)
1153             flags &= ~DISPATCH_JSCRIPT_INTERNAL_MASK;
1154         hres = jsdisp_call(jsdisp, id, flags, argc, argv, ret);
1155         jsdisp_release(jsdisp);
1156         return hres;
1157     }
1158 
1159     flags &= ~DISPATCH_JSCRIPT_INTERNAL_MASK;
1160     if(ret && argc)
1161         flags |= DISPATCH_PROPERTYGET;
1162 
1163     dp.cArgs = argc;
1164 
1165     if(flags & DISPATCH_PROPERTYPUT) {
1166         static DISPID propput_dispid = DISPID_PROPERTYPUT;
1167 
1168         dp.cNamedArgs = 1;
1169         dp.rgdispidNamedArgs = &propput_dispid;
1170     }else {
1171         dp.cNamedArgs = 0;
1172         dp.rgdispidNamedArgs = NULL;
1173     }
1174 
1175     if(argc > 6) {
1176         dp.rgvarg = heap_alloc(argc*sizeof(VARIANT));
1177         if(!dp.rgvarg)
1178             return E_OUTOFMEMORY;
1179     }else {
1180         dp.rgvarg = buf;
1181     }
1182 
1183     for(i=0; i<argc; i++) {
1184         hres = jsval_to_variant(argv[i], dp.rgvarg+argc-i-1);
1185         if(FAILED(hres)) {
1186             while(i--)
1187                 VariantClear(dp.rgvarg+argc-i-1);
1188             if(dp.rgvarg != buf)
1189                 heap_free(dp.rgvarg);
1190             return hres;
1191         }
1192     }
1193 
1194     V_VT(&retv) = VT_EMPTY;
1195     clear_ei(ctx);
1196     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1197     if(SUCCEEDED(hres)) {
1198         hres = IDispatchEx_InvokeEx(dispex, id, ctx->lcid, flags, &dp, ret ? &retv : NULL, &ctx->ei.ei,
1199                 &ctx->jscaller->IServiceProvider_iface);
1200         IDispatchEx_Release(dispex);
1201     }else {
1202         UINT err = 0;
1203 
1204         if(flags == DISPATCH_CONSTRUCT) {
1205             WARN("IDispatch cannot be constructor\n");
1206             return DISP_E_MEMBERNOTFOUND;
1207         }
1208 
1209         TRACE("using IDispatch\n");
1210         hres = IDispatch_Invoke(disp, id, &IID_NULL, ctx->lcid, flags, &dp, ret ? &retv : NULL, &ctx->ei.ei, &err);
1211     }
1212 
1213     for(i=0; i<argc; i++)
1214         VariantClear(dp.rgvarg+argc-i-1);
1215     if(dp.rgvarg != buf)
1216         heap_free(dp.rgvarg);
1217     if(FAILED(hres))
1218         return hres;
1219 
1220     if(ret) {
1221         hres = variant_to_jsval(&retv, ret);
1222         VariantClear(&retv);
1223     }
1224 
1225     return hres;
1226 }
1227 
1228 HRESULT disp_call_value(script_ctx_t *ctx, IDispatch *disp, IDispatch *jsthis, WORD flags, unsigned argc, jsval_t *argv,
1229         jsval_t *r)
1230 {
1231     jsdisp_t *jsdisp;
1232     IDispatchEx *dispex;
1233     VARIANT buf[6], retv;
1234     DISPPARAMS dp;
1235     unsigned i;
1236     HRESULT hres;
1237 
1238     assert(!(flags & ~(DISPATCH_METHOD|DISPATCH_CONSTRUCT|DISPATCH_JSCRIPT_INTERNAL_MASK)));
1239 
1240     jsdisp = iface_to_jsdisp(disp);
1241     if(jsdisp) {
1242         if(ctx != jsdisp->ctx)
1243             flags &= ~DISPATCH_JSCRIPT_INTERNAL_MASK;
1244         hres = jsdisp_call_value(jsdisp, jsthis, flags, argc, argv, r);
1245         jsdisp_release(jsdisp);
1246         return hres;
1247     }
1248 
1249     flags &= ~DISPATCH_JSCRIPT_INTERNAL_MASK;
1250     if(r && argc && flags == DISPATCH_METHOD)
1251         flags |= DISPATCH_PROPERTYGET;
1252 
1253     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1254     if(FAILED(hres)) {
1255         TRACE("using IDispatch\n");
1256         dispex = NULL;
1257         jsthis = NULL;
1258     }
1259 
1260     if(jsthis) {
1261         static DISPID this_id = DISPID_THIS;
1262 
1263         dp.cArgs = argc+1;
1264         dp.cNamedArgs = 1;
1265         dp.rgdispidNamedArgs = &this_id;
1266     }else {
1267         dp.cArgs = argc;
1268         dp.cNamedArgs = 0;
1269         dp.rgdispidNamedArgs = NULL;
1270     }
1271 
1272     if(dp.cArgs > ARRAY_SIZE(buf)) {
1273         dp.rgvarg = heap_alloc(dp.cArgs*sizeof(VARIANT));
1274         if(!dp.rgvarg) {
1275             if(dispex)
1276                 IDispatchEx_Release(dispex);
1277             return E_OUTOFMEMORY;
1278         }
1279     }else {
1280         dp.rgvarg = buf;
1281     }
1282 
1283     for(i=0; i<argc; i++) {
1284         hres = jsval_to_variant(argv[i], dp.rgvarg+dp.cArgs-i-1);
1285         if(FAILED(hres)) {
1286             while(i--)
1287                 VariantClear(dp.rgvarg+dp.cArgs-i-1);
1288             if(dp.rgvarg != buf)
1289                 heap_free(dp.rgvarg);
1290             if(dispex)
1291                 IDispatchEx_Release(dispex);
1292             return hres;
1293         }
1294     }
1295     if(jsthis) {
1296         V_VT(dp.rgvarg) = VT_DISPATCH;
1297         V_DISPATCH(dp.rgvarg) = jsthis;
1298     }
1299 
1300     V_VT(&retv) = VT_EMPTY;
1301     clear_ei(ctx);
1302     if(dispex) {
1303         hres = IDispatchEx_InvokeEx(dispex, DISPID_VALUE, ctx->lcid, flags, &dp, r ? &retv : NULL, &ctx->ei.ei,
1304                 &ctx->jscaller->IServiceProvider_iface);
1305         IDispatchEx_Release(dispex);
1306     }else {
1307         UINT err = 0;
1308 
1309         if(flags == DISPATCH_CONSTRUCT) {
1310             WARN("IDispatch cannot be constructor\n");
1311             return DISP_E_MEMBERNOTFOUND;
1312         }
1313 
1314         hres = IDispatch_Invoke(disp, DISPID_VALUE, &IID_NULL, ctx->lcid, flags, &dp, r ? &retv : NULL, &ctx->ei.ei, &err);
1315     }
1316 
1317     for(i=0; i<argc; i++)
1318         VariantClear(dp.rgvarg+dp.cArgs-i-1);
1319     if(dp.rgvarg != buf)
1320         heap_free(dp.rgvarg);
1321     if(FAILED(hres))
1322         return hres;
1323 
1324     if(!r)
1325         return S_OK;
1326 
1327     hres = variant_to_jsval(&retv, r);
1328     VariantClear(&retv);
1329     return hres;
1330 }
1331 
1332 HRESULT jsdisp_propput(jsdisp_t *obj, const WCHAR *name, DWORD flags, jsval_t val)
1333 {
1334     dispex_prop_t *prop;
1335     HRESULT hres;
1336 
1337     hres = ensure_prop_name(obj, name, flags, &prop);
1338     if(FAILED(hres))
1339         return hres;
1340 
1341     return prop_put(obj, prop, val);
1342 }
1343 
1344 HRESULT jsdisp_propput_name(jsdisp_t *obj, const WCHAR *name, jsval_t val)
1345 {
1346     return jsdisp_propput(obj, name, PROPF_ENUMERABLE | PROPF_CONFIGURABLE | PROPF_WRITABLE, val);
1347 }
1348 
1349 HRESULT jsdisp_propput_idx(jsdisp_t *obj, DWORD idx, jsval_t val)
1350 {
1351     WCHAR buf[12];
1352 
1353     static const WCHAR formatW[] = {'%','d',0};
1354 
1355     swprintf(buf, formatW, idx);
1356     return jsdisp_propput_name(obj, buf, val);
1357 }
1358 
1359 HRESULT disp_propput(script_ctx_t *ctx, IDispatch *disp, DISPID id, jsval_t val)
1360 {
1361     jsdisp_t *jsdisp;
1362     HRESULT hres;
1363 
1364     jsdisp = iface_to_jsdisp(disp);
1365     if(jsdisp) {
1366         dispex_prop_t *prop;
1367 
1368         prop = get_prop(jsdisp, id);
1369         if(prop)
1370             hres = prop_put(jsdisp, prop, val);
1371         else
1372             hres = DISP_E_MEMBERNOTFOUND;
1373 
1374         jsdisp_release(jsdisp);
1375     }else {
1376         DISPID dispid = DISPID_PROPERTYPUT;
1377         DWORD flags = DISPATCH_PROPERTYPUT;
1378         VARIANT var;
1379         DISPPARAMS dp  = {&var, &dispid, 1, 1};
1380         IDispatchEx *dispex;
1381 
1382         hres = jsval_to_variant(val, &var);
1383         if(FAILED(hres))
1384             return hres;
1385 
1386         if(V_VT(&var) == VT_DISPATCH)
1387             flags |= DISPATCH_PROPERTYPUTREF;
1388 
1389         clear_ei(ctx);
1390         hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1391         if(SUCCEEDED(hres)) {
1392             hres = IDispatchEx_InvokeEx(dispex, id, ctx->lcid, flags, &dp, NULL, &ctx->ei.ei,
1393                     &ctx->jscaller->IServiceProvider_iface);
1394             IDispatchEx_Release(dispex);
1395         }else {
1396             ULONG err = 0;
1397 
1398             TRACE("using IDispatch\n");
1399             hres = IDispatch_Invoke(disp, id, &IID_NULL, ctx->lcid, flags, &dp, NULL, &ctx->ei.ei, &err);
1400         }
1401 
1402         VariantClear(&var);
1403     }
1404 
1405     return hres;
1406 }
1407 
1408 HRESULT jsdisp_propget_name(jsdisp_t *obj, const WCHAR *name, jsval_t *val)
1409 {
1410     dispex_prop_t *prop;
1411     HRESULT hres;
1412 
1413     hres = find_prop_name_prot(obj, string_hash(name), name, &prop);
1414     if(FAILED(hres))
1415         return hres;
1416 
1417     if(!prop || prop->type==PROP_DELETED) {
1418         *val = jsval_undefined();
1419         return S_OK;
1420     }
1421 
1422     return prop_get(obj, prop, val);
1423 }
1424 
1425 HRESULT jsdisp_get_idx(jsdisp_t *obj, DWORD idx, jsval_t *r)
1426 {
1427     WCHAR name[12];
1428     dispex_prop_t *prop;
1429     HRESULT hres;
1430 
1431     static const WCHAR formatW[] = {'%','d',0};
1432 
1433     swprintf(name, formatW, idx);
1434 
1435     hres = find_prop_name_prot(obj, string_hash(name), name, &prop);
1436     if(FAILED(hres))
1437         return hres;
1438 
1439     if(!prop || prop->type==PROP_DELETED) {
1440         *r = jsval_undefined();
1441         return DISP_E_UNKNOWNNAME;
1442     }
1443 
1444     return prop_get(obj, prop, r);
1445 }
1446 
1447 HRESULT jsdisp_propget(jsdisp_t *jsdisp, DISPID id, jsval_t *val)
1448 {
1449     dispex_prop_t *prop;
1450 
1451     prop = get_prop(jsdisp, id);
1452     if(!prop)
1453         return DISP_E_MEMBERNOTFOUND;
1454 
1455     return prop_get(jsdisp, prop, val);
1456 }
1457 
1458 HRESULT disp_propget(script_ctx_t *ctx, IDispatch *disp, DISPID id, jsval_t *val)
1459 {
1460     DISPPARAMS dp  = {NULL,NULL,0,0};
1461     IDispatchEx *dispex;
1462     jsdisp_t *jsdisp;
1463     VARIANT var;
1464     HRESULT hres;
1465 
1466     jsdisp = iface_to_jsdisp(disp);
1467     if(jsdisp) {
1468         hres = jsdisp_propget(jsdisp, id, val);
1469         jsdisp_release(jsdisp);
1470         return hres;
1471     }
1472 
1473     V_VT(&var) = VT_EMPTY;
1474     clear_ei(ctx);
1475     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1476     if(SUCCEEDED(hres)) {
1477         hres = IDispatchEx_InvokeEx(dispex, id, ctx->lcid, INVOKE_PROPERTYGET, &dp, &var, &ctx->ei.ei,
1478                 &ctx->jscaller->IServiceProvider_iface);
1479         IDispatchEx_Release(dispex);
1480     }else {
1481         ULONG err = 0;
1482 
1483         TRACE("using IDispatch\n");
1484         hres = IDispatch_Invoke(disp, id, &IID_NULL, ctx->lcid, INVOKE_PROPERTYGET, &dp, &var, &ctx->ei.ei, &err);
1485     }
1486     if(FAILED(hres))
1487         return hres;
1488 
1489     hres = variant_to_jsval(&var, val);
1490     VariantClear(&var);
1491     return hres;
1492 }
1493 
1494 HRESULT jsdisp_delete_idx(jsdisp_t *obj, DWORD idx)
1495 {
1496     static const WCHAR formatW[] = {'%','d',0};
1497     WCHAR buf[12];
1498     dispex_prop_t *prop;
1499     BOOL b;
1500     HRESULT hres;
1501 
1502     swprintf(buf, formatW, idx);
1503 
1504     hres = find_prop_name(obj, string_hash(buf), buf, &prop);
1505     if(FAILED(hres) || !prop)
1506         return hres;
1507 
1508     return delete_prop(prop, &b);
1509 }
1510 
1511 HRESULT disp_delete(IDispatch *disp, DISPID id, BOOL *ret)
1512 {
1513     IDispatchEx *dispex;
1514     jsdisp_t *jsdisp;
1515     HRESULT hres;
1516 
1517     jsdisp = iface_to_jsdisp(disp);
1518     if(jsdisp) {
1519         dispex_prop_t *prop;
1520 
1521         prop = get_prop(jsdisp, id);
1522         if(prop)
1523             hres = delete_prop(prop, ret);
1524         else
1525             hres = DISP_E_MEMBERNOTFOUND;
1526 
1527         jsdisp_release(jsdisp);
1528         return hres;
1529     }
1530 
1531     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1532     if(FAILED(hres)) {
1533         *ret = FALSE;
1534         return S_OK;
1535     }
1536 
1537     hres = IDispatchEx_DeleteMemberByDispID(dispex, id);
1538     IDispatchEx_Release(dispex);
1539     if(FAILED(hres))
1540         return hres;
1541 
1542     *ret = hres == S_OK;
1543     return S_OK;
1544 }
1545 
1546 HRESULT jsdisp_next_prop(jsdisp_t *obj, DISPID id, BOOL own_only, DISPID *ret)
1547 {
1548     dispex_prop_t *iter;
1549     HRESULT hres;
1550 
1551     if(id == DISPID_STARTENUM && !own_only) {
1552         hres = fill_protrefs(obj);
1553         if(FAILED(hres))
1554             return hres;
1555     }
1556 
1557     if(id + 1 < 0 || id+1 >= obj->prop_cnt)
1558         return S_FALSE;
1559 
1560     for(iter = &obj->props[id + 1]; iter < obj->props + obj->prop_cnt; iter++) {
1561         if(!iter->name || iter->type == PROP_DELETED)
1562             continue;
1563         if(own_only && iter->type == PROP_PROTREF)
1564             continue;
1565         if(!(get_flags(obj, iter) & PROPF_ENUMERABLE))
1566             continue;
1567         *ret = prop_to_id(obj, iter);
1568         return S_OK;
1569     }
1570 
1571     return S_FALSE;
1572 }
1573 
1574 HRESULT disp_delete_name(script_ctx_t *ctx, IDispatch *disp, jsstr_t *name, BOOL *ret)
1575 {
1576     IDispatchEx *dispex;
1577     jsdisp_t *jsdisp;
1578     BSTR bstr;
1579     HRESULT hres;
1580 
1581     jsdisp = iface_to_jsdisp(disp);
1582     if(jsdisp) {
1583         dispex_prop_t *prop;
1584         const WCHAR *ptr;
1585 
1586         ptr = jsstr_flatten(name);
1587         if(!ptr) {
1588             jsdisp_release(jsdisp);
1589             return E_OUTOFMEMORY;
1590         }
1591 
1592         hres = find_prop_name(jsdisp, string_hash(ptr), ptr, &prop);
1593         if(prop) {
1594             hres = delete_prop(prop, ret);
1595         }else {
1596             *ret = TRUE;
1597             hres = S_OK;
1598         }
1599 
1600         jsdisp_release(jsdisp);
1601         return hres;
1602     }
1603 
1604     bstr = SysAllocStringLen(NULL, jsstr_length(name));
1605     if(!bstr)
1606         return E_OUTOFMEMORY;
1607     jsstr_flush(name, bstr);
1608 
1609     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1610     if(SUCCEEDED(hres)) {
1611         hres = IDispatchEx_DeleteMemberByName(dispex, bstr, make_grfdex(ctx, fdexNameCaseSensitive));
1612         if(SUCCEEDED(hres))
1613             *ret = hres == S_OK;
1614         IDispatchEx_Release(dispex);
1615     }else {
1616         DISPID id;
1617 
1618         hres = IDispatch_GetIDsOfNames(disp, &IID_NULL, &bstr, 1, 0, &id);
1619         if(SUCCEEDED(hres)) {
1620             /* Property exists and we can't delete it from pure IDispatch interface, so return false. */
1621             *ret = FALSE;
1622         }else if(hres == DISP_E_UNKNOWNNAME) {
1623             /* Property doesn't exist, so nothing to delete */
1624             *ret = TRUE;
1625             hres = S_OK;
1626         }
1627     }
1628 
1629     SysFreeString(bstr);
1630     return hres;
1631 }
1632 
1633 HRESULT jsdisp_get_own_property(jsdisp_t *obj, const WCHAR *name, BOOL flags_only,
1634                                 property_desc_t *desc)
1635 {
1636     dispex_prop_t *prop;
1637     HRESULT hres;
1638 
1639     hres = find_prop_name(obj, string_hash(name), name, &prop);
1640     if(FAILED(hres))
1641         return hres;
1642 
1643     if(!prop)
1644         return DISP_E_UNKNOWNNAME;
1645 
1646     memset(desc, 0, sizeof(*desc));
1647 
1648     switch(prop->type) {
1649     case PROP_BUILTIN:
1650     case PROP_JSVAL:
1651         desc->mask |= PROPF_WRITABLE;
1652         desc->explicit_value = TRUE;
1653         if(!flags_only) {
1654             hres = prop_get(obj, prop, &desc->value);
1655             if(FAILED(hres))
1656                 return hres;
1657         }
1658         break;
1659     case PROP_ACCESSOR:
1660         desc->explicit_getter = desc->explicit_setter = TRUE;
1661         if(!flags_only) {
1662             desc->getter = prop->u.accessor.getter
1663                 ? jsdisp_addref(prop->u.accessor.getter) : NULL;
1664             desc->setter = prop->u.accessor.setter
1665                 ? jsdisp_addref(prop->u.accessor.setter) : NULL;
1666         }
1667         break;
1668     default:
1669         return DISP_E_UNKNOWNNAME;
1670     }
1671 
1672     desc->flags = prop->flags & (PROPF_ENUMERABLE | PROPF_WRITABLE | PROPF_CONFIGURABLE);
1673     desc->mask |= PROPF_ENUMERABLE | PROPF_CONFIGURABLE;
1674     return S_OK;
1675 }
1676 
1677 HRESULT jsdisp_define_property(jsdisp_t *obj, const WCHAR *name, property_desc_t *desc)
1678 {
1679     dispex_prop_t *prop;
1680     HRESULT hres;
1681 
1682     hres = find_prop_name(obj, string_hash(name), name, &prop);
1683     if(FAILED(hres))
1684         return hres;
1685 
1686     if(!prop && !(prop = alloc_prop(obj, name, PROP_DELETED, 0)))
1687        return E_OUTOFMEMORY;
1688 
1689     if(prop->type == PROP_DELETED || prop->type == PROP_PROTREF) {
1690         prop->flags = desc->flags;
1691         if(desc->explicit_getter || desc->explicit_setter) {
1692             prop->type = PROP_ACCESSOR;
1693             prop->u.accessor.getter = desc->getter ? jsdisp_addref(desc->getter) : NULL;
1694             prop->u.accessor.setter = desc->setter ? jsdisp_addref(desc->setter) : NULL;
1695             TRACE("%s = accessor { get: %p set: %p }\n", debugstr_w(name),
1696                   prop->u.accessor.getter, prop->u.accessor.setter);
1697         }else {
1698             prop->type = PROP_JSVAL;
1699             if(desc->explicit_value) {
1700                 hres = jsval_copy(desc->value, &prop->u.val);
1701                 if(FAILED(hres))
1702                     return hres;
1703             }else {
1704                 prop->u.val = jsval_undefined();
1705             }
1706             TRACE("%s = %s\n", debugstr_w(name), debugstr_jsval(prop->u.val));
1707         }
1708         return S_OK;
1709     }
1710 
1711     TRACE("existing prop %s prop flags %x desc flags %x desc mask %x\n", debugstr_w(name),
1712           prop->flags, desc->flags, desc->mask);
1713 
1714     if(!(prop->flags & PROPF_CONFIGURABLE)) {
1715         if(((desc->mask & PROPF_CONFIGURABLE) && (desc->flags & PROPF_CONFIGURABLE))
1716            || ((desc->mask & PROPF_ENUMERABLE)
1717                && ((desc->flags & PROPF_ENUMERABLE) != (prop->flags & PROPF_ENUMERABLE))))
1718             return throw_type_error(obj->ctx, JS_E_NONCONFIGURABLE_REDEFINED, name);
1719     }
1720 
1721     if(desc->explicit_value || (desc->mask & PROPF_WRITABLE)) {
1722         if(prop->type == PROP_ACCESSOR) {
1723             if(!(prop->flags & PROPF_CONFIGURABLE))
1724                 return throw_type_error(obj->ctx, JS_E_NONCONFIGURABLE_REDEFINED, name);
1725             if(prop->u.accessor.getter)
1726                 jsdisp_release(prop->u.accessor.getter);
1727             if(prop->u.accessor.setter)
1728                 jsdisp_release(prop->u.accessor.setter);
1729 
1730             prop->type = PROP_JSVAL;
1731             hres = jsval_copy(desc->value, &prop->u.val);
1732             if(FAILED(hres)) {
1733                 prop->u.val = jsval_undefined();
1734                 return hres;
1735             }
1736         }else {
1737             if(!(prop->flags & PROPF_CONFIGURABLE) && !(prop->flags & PROPF_WRITABLE)) {
1738                 if((desc->mask & PROPF_WRITABLE) && (desc->flags & PROPF_WRITABLE))
1739                     return throw_type_error(obj->ctx, JS_E_NONWRITABLE_MODIFIED, name);
1740                 if(desc->explicit_value) {
1741                     if(prop->type == PROP_JSVAL) {
1742                         BOOL eq;
1743                         hres = jsval_strict_equal(desc->value, prop->u.val, &eq);
1744                         if(FAILED(hres))
1745                             return hres;
1746                         if(!eq)
1747                             return throw_type_error(obj->ctx, JS_E_NONWRITABLE_MODIFIED, name);
1748                     }else {
1749                         FIXME("redefinition of property type %d\n", prop->type);
1750                     }
1751                 }
1752             }
1753             if(desc->explicit_value) {
1754                 if(prop->type == PROP_JSVAL)
1755                     jsval_release(prop->u.val);
1756                 else
1757                     prop->type = PROP_JSVAL;
1758                 hres = jsval_copy(desc->value, &prop->u.val);
1759                 if(FAILED(hres)) {
1760                     prop->u.val = jsval_undefined();
1761                     return hres;
1762                 }
1763             }
1764         }
1765     }else if(desc->explicit_getter || desc->explicit_setter) {
1766         if(prop->type != PROP_ACCESSOR) {
1767             if(!(prop->flags & PROPF_CONFIGURABLE))
1768                 return throw_type_error(obj->ctx, JS_E_NONCONFIGURABLE_REDEFINED, name);
1769             if(prop->type == PROP_JSVAL)
1770                 jsval_release(prop->u.val);
1771             prop->type = PROP_ACCESSOR;
1772             prop->u.accessor.getter = prop->u.accessor.setter = NULL;
1773         }else if(!(prop->flags & PROPF_CONFIGURABLE)) {
1774             if((desc->explicit_getter && desc->getter != prop->u.accessor.getter)
1775                || (desc->explicit_setter && desc->setter != prop->u.accessor.setter))
1776                 return throw_type_error(obj->ctx, JS_E_NONCONFIGURABLE_REDEFINED, name);
1777         }
1778 
1779         if(desc->explicit_getter) {
1780             if(prop->u.accessor.getter) {
1781                 jsdisp_release(prop->u.accessor.getter);
1782                 prop->u.accessor.getter = NULL;
1783             }
1784             if(desc->getter)
1785                 prop->u.accessor.getter = jsdisp_addref(desc->getter);
1786         }
1787         if(desc->explicit_setter) {
1788             if(prop->u.accessor.setter) {
1789                 jsdisp_release(prop->u.accessor.setter);
1790                 prop->u.accessor.setter = NULL;
1791             }
1792             if(desc->setter)
1793                 prop->u.accessor.setter = jsdisp_addref(desc->setter);
1794         }
1795     }
1796 
1797     prop->flags = (prop->flags & ~desc->mask) | (desc->flags & desc->mask);
1798     return S_OK;
1799 }
1800 
1801 HRESULT jsdisp_define_data_property(jsdisp_t *obj, const WCHAR *name, unsigned flags, jsval_t value)
1802 {
1803     property_desc_t prop_desc = { flags, flags, TRUE };
1804     prop_desc.value = value;
1805     return jsdisp_define_property(obj, name, &prop_desc);
1806 }
1807