dlls/vbscript/vbregexp.c

   1 /*
   2  * Copyright 2013 Piotr 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 "vbscript.h"
  20 #include "regexp.h"
  21 #include "vbsregexp55.h"
  22 #include "wchar.h"
  23
  24 #include "wine/debug.h"
  25
  26 WINE_DEFAULT_DEBUG_CHANNEL(vbscript);
  27
  28 #define REGEXP_TID_LIST \
  29     XDIID(RegExp2), \
  30     XDIID(Match2), \
  31     XDIID(MatchCollection2), \
  32     XDIID(SubMatches)
  33
  34 typedef enum {
  35 #define XDIID(iface) iface ## _tid
  36     REGEXP_TID_LIST,
  37 #undef XDIID
  38     REGEXP_LAST_tid
  39 } regexp_tid_t;
  40
  41 static REFIID tid_ids[] = {
  42 #define XDIID(iface) &IID_I ## iface
  43     REGEXP_TID_LIST
  44 #undef XDIID
  45 };
  46
  47 static ITypeLib *typelib;
  48 static ITypeInfo *typeinfos[REGEXP_LAST_tid];
  49
  50 static HRESULT init_regexp_typeinfo(regexp_tid_t tid)
  51 {
  52     HRESULT hres;
  53
  54     if(!typelib) {
  55         ITypeLib *tl;
  56
  57         hres = LoadTypeLib(L"vbscript.dll\\3", &tl);
  58         if(FAILED(hres)) {
  59             ERR("LoadRegTypeLib failed: %08x\n", hres);
  60             return hres;
  61         }
  62
  63         if(InterlockedCompareExchangePointer((void**)&typelib, tl, NULL))
  64             ITypeLib_Release(tl);
  65     }
  66
  67     if(!typeinfos[tid]) {
  68         ITypeInfo *ti;
  69
  70         hres = ITypeLib_GetTypeInfoOfGuid(typelib, tid_ids[tid], &ti);
  71         if(FAILED(hres)) {
  72             ERR("GetTypeInfoOfGuid(%s) failed: %08x\n", debugstr_guid(tid_ids[tid]), hres);
  73             return hres;
  74         }
  75
  76         if(InterlockedCompareExchangePointer((void**)(typeinfos+tid), ti, NULL))
  77             ITypeInfo_Release(ti);
  78     }
  79
  80     return S_OK;
  81 }
  82
  83 struct SubMatches {
  84     ISubMatches ISubMatches_iface;
  85
  86     LONG ref;
  87
  88     WCHAR *match;
  89     match_state_t *result;
  90 };
  91
  92 typedef struct Match2 {
  93     IMatch2 IMatch2_iface;
  94     IMatch IMatch_iface;
  95
  96     LONG ref;
  97
  98     DWORD index;
  99     SubMatches *sub_matches;
 100 } Match2;
 101
 102 typedef struct MatchCollectionEnum {
 103     IEnumVARIANT IEnumVARIANT_iface;
 104
 105     LONG ref;
 106
 107     IMatchCollection2 *mc;
 108     LONG pos;
 109     LONG count;
 110 } MatchCollectionEnum;
 111
 112 typedef struct MatchCollection2 {
 113     IMatchCollection2 IMatchCollection2_iface;
 114     IMatchCollection IMatchCollection_iface;
 115
 116     LONG ref;
 117
 118     IMatch2 **matches;
 119     DWORD count;
 120     DWORD size;
 121 } MatchCollection2;
 122
 123 typedef struct RegExp2 {
 124     IRegExp2 IRegExp2_iface;
 125     IRegExp IRegExp_iface;
 126
 127     LONG ref;
 128
 129     WCHAR *pattern;
 130     regexp_t *regexp;
 131     heap_pool_t pool;
 132     WORD flags;
 133 } RegExp2;
 134
 135 static inline SubMatches* impl_from_ISubMatches(ISubMatches *iface)
 136 {
 137     return CONTAINING_RECORD(iface, SubMatches, ISubMatches_iface);
 138 }
 139
 140 static HRESULT WINAPI SubMatches_QueryInterface(
 141         ISubMatches *iface, REFIID riid, void **ppv)
 142 {
 143     SubMatches *This = impl_from_ISubMatches(iface);
 144
 145     if(IsEqualGUID(riid, &IID_IUnknown)) {
 146         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 147         *ppv = &This->ISubMatches_iface;
 148     }else if(IsEqualGUID(riid, &IID_IDispatch)) {
 149         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
 150         *ppv = &This->ISubMatches_iface;
 151     }else if(IsEqualGUID(riid, &IID_ISubMatches)) {
 152         TRACE("(%p)->(IID_ISubMatches %p)\n", This, ppv);
 153         *ppv = &This->ISubMatches_iface;
 154     }else if(IsEqualGUID(riid, &IID_IDispatchEx)) {
 155         TRACE("(%p)->(IID_IDispatchEx %p)\n", This, ppv);
 156         *ppv = NULL;
 157         return E_NOINTERFACE;
 158     }else {
 159         FIXME("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
 160         *ppv = NULL;
 161         return E_NOINTERFACE;
 162     }
 163
 164     IUnknown_AddRef((IUnknown*)*ppv);
 165     return S_OK;
 166 }
 167
 168 static ULONG WINAPI SubMatches_AddRef(ISubMatches *iface)
 169 {
 170     SubMatches *This = impl_from_ISubMatches(iface);
 171     LONG ref = InterlockedIncrement(&This->ref);
 172
 173     TRACE("(%p) ref=%d\n", This, ref);
 174
 175     return ref;
 176 }
 177
 178 static ULONG WINAPI SubMatches_Release(ISubMatches *iface)
 179 {
 180     SubMatches *This = impl_from_ISubMatches(iface);
 181     LONG ref = InterlockedDecrement(&This->ref);
 182
 183     TRACE("(%p) ref=%d\n", This, ref);
 184
 185     if(!ref) {
 186         heap_free(This->match);
 187         heap_free(This->result);
 188         heap_free(This);
 189     }
 190
 191     return ref;
 192 }
 193
 194 static HRESULT WINAPI SubMatches_GetTypeInfoCount(ISubMatches *iface, UINT *pctinfo)
 195 {
 196     SubMatches *This = impl_from_ISubMatches(iface);
 197
 198     TRACE("(%p)->(%p)\n", This, pctinfo);
 199
 200     *pctinfo = 1;
 201     return S_OK;
 202 }
 203
 204 static HRESULT WINAPI SubMatches_GetTypeInfo(ISubMatches *iface,
 205         UINT iTInfo, LCID lcid, ITypeInfo **ppTInfo)
 206 {
 207     SubMatches *This = impl_from_ISubMatches(iface);
 208     FIXME("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
 209     return E_NOTIMPL;
 210 }
 211
 212 static HRESULT WINAPI SubMatches_GetIDsOfNames(ISubMatches *iface,
 213         REFIID riid, LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
 214 {
 215     SubMatches *This = impl_from_ISubMatches(iface);
 216
 217     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid),
 218             rgszNames, cNames, lcid, rgDispId);
 219
 220     return ITypeInfo_GetIDsOfNames(typeinfos[SubMatches_tid], rgszNames, cNames, rgDispId);
 221 }
 222
 223 static HRESULT WINAPI SubMatches_Invoke(ISubMatches *iface, DISPID dispIdMember,
 224         REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 225                         VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 226 {
 227     SubMatches *This = impl_from_ISubMatches(iface);
 228
 229     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
 230             lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 231
 232     return ITypeInfo_Invoke(typeinfos[SubMatches_tid], iface, dispIdMember, wFlags,
 233             pDispParams, pVarResult, pExcepInfo, puArgErr);
 234 }
 235
 236 static HRESULT WINAPI SubMatches_get_Item(ISubMatches *iface,
 237         LONG index, VARIANT *pSubMatch)
 238 {
 239     SubMatches *This = impl_from_ISubMatches(iface);
 240
 241     TRACE("(%p)->(%d %p)\n", This, index, pSubMatch);
 242
 243     if(!pSubMatch)
 244         return E_POINTER;
 245
 246     if(!This->result || index<0 || index>=This->result->paren_count)
 247         return E_INVALIDARG;
 248
 249     if(This->result->parens[index].index == -1) {
 250         V_VT(pSubMatch) = VT_EMPTY;
 251     }else {
 252         V_VT(pSubMatch) = VT_BSTR;
 253         V_BSTR(pSubMatch) = SysAllocStringLen(
 254                 This->match+This->result->parens[index].index,
 255                 This->result->parens[index].length);
 256
 257         if(!V_BSTR(pSubMatch))
 258             return E_OUTOFMEMORY;
 259     }
 260
 261     return S_OK;
 262 }
 263
 264 static HRESULT WINAPI SubMatches_get_Count(ISubMatches *iface, LONG *pCount)
 265 {
 266     SubMatches *This = impl_from_ISubMatches(iface);
 267
 268     TRACE("(%p)->(%p)\n", This, pCount);
 269
 270     if(!pCount)
 271         return E_POINTER;
 272
 273     if(!This->result)
 274         *pCount = 0;
 275     else
 276         *pCount = This->result->paren_count;
 277     return S_OK;
 278 }
 279
 280 static HRESULT WINAPI SubMatches_get__NewEnum(ISubMatches *iface, IUnknown **ppEnum)
 281 {
 282     SubMatches *This = impl_from_ISubMatches(iface);
 283     FIXME("(%p)->(%p)\n", This, ppEnum);
 284     return E_NOTIMPL;
 285 }
 286
 287 static const ISubMatchesVtbl SubMatchesVtbl = {
 288     SubMatches_QueryInterface,
 289     SubMatches_AddRef,
 290     SubMatches_Release,
 291     SubMatches_GetTypeInfoCount,
 292     SubMatches_GetTypeInfo,
 293     SubMatches_GetIDsOfNames,
 294     SubMatches_Invoke,
 295     SubMatches_get_Item,
 296     SubMatches_get_Count,
 297     SubMatches_get__NewEnum
 298 };
 299
 300 static HRESULT create_sub_matches(DWORD pos, match_state_t *result, SubMatches **sub_matches)
 301 {
 302     SubMatches *ret;
 303     DWORD i;
 304     HRESULT hres;
 305
 306     hres = init_regexp_typeinfo(SubMatches_tid);
 307     if(FAILED(hres))
 308         return hres;
 309
 310     ret = heap_alloc_zero(sizeof(*ret));
 311     if(!ret)
 312         return E_OUTOFMEMORY;
 313
 314     ret->ISubMatches_iface.lpVtbl = &SubMatchesVtbl;
 315
 316     ret->result = result;
 317     if(result) {
 318         ret->match = heap_alloc((result->match_len+1) * sizeof(WCHAR));
 319         if(!ret->match) {
 320             heap_free(ret);
 321             return E_OUTOFMEMORY;
 322         }
 323         memcpy(ret->match, result->cp-result->match_len, result->match_len*sizeof(WCHAR));
 324         ret->match[result->match_len] = 0;
 325
 326         result->cp = NULL;
 327         for(i=0; i<result->paren_count; i++)
 328             if(result->parens[i].index != -1)
 329                 result->parens[i].index -= pos;
 330     }else {
 331         ret->match = NULL;
 332     }
 333
 334     ret->ref = 1;
 335     *sub_matches = ret;
 336     return hres;
 337 }
 338
 339 static inline Match2* impl_from_IMatch2(IMatch2 *iface)
 340 {
 341     return CONTAINING_RECORD(iface, Match2, IMatch2_iface);
 342 }
 343
 344 static HRESULT WINAPI Match2_QueryInterface(
 345         IMatch2 *iface, REFIID riid, void **ppv)
 346 {
 347     Match2 *This = impl_from_IMatch2(iface);
 348
 349     if(IsEqualGUID(riid, &IID_IUnknown)) {
 350         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 351         *ppv = &This->IMatch2_iface;
 352     }else if(IsEqualGUID(riid, &IID_IDispatch)) {
 353         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
 354         *ppv = &This->IMatch2_iface;
 355     }else if(IsEqualGUID(riid, &IID_IMatch2)) {
 356         TRACE("(%p)->(IID_IMatch2 %p)\n", This, ppv);
 357         *ppv = &This->IMatch2_iface;
 358     }else if(IsEqualGUID(riid, &IID_IMatch)) {
 359         TRACE("(%p)->(IID_IMatch %p)\n", This, ppv);
 360         *ppv = &This->IMatch_iface;
 361     }else if(IsEqualGUID(riid, &IID_IDispatchEx)) {
 362         TRACE("(%p)->(IID_IDispatchEx %p)\n", This, ppv);
 363         *ppv = NULL;
 364         return E_NOINTERFACE;
 365     }else {
 366         FIXME("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
 367         *ppv = NULL;
 368         return E_NOINTERFACE;
 369     }
 370
 371     IUnknown_AddRef((IUnknown*)*ppv);
 372     return S_OK;
 373 }
 374
 375 static ULONG WINAPI Match2_AddRef(IMatch2 *iface)
 376 {
 377     Match2 *This = impl_from_IMatch2(iface);
 378     LONG ref = InterlockedIncrement(&This->ref);
 379
 380     TRACE("(%p) ref=%d\n", This, ref);
 381
 382     return ref;
 383 }
 384
 385 static ULONG WINAPI Match2_Release(IMatch2 *iface)
 386 {
 387     Match2 *This = impl_from_IMatch2(iface);
 388     LONG ref = InterlockedDecrement(&This->ref);
 389
 390     TRACE("(%p) ref=%d\n", This, ref);
 391
 392     if(!ref) {
 393         ISubMatches_Release(&This->sub_matches->ISubMatches_iface);
 394         heap_free(This);
 395     }
 396
 397     return ref;
 398 }
 399
 400 static HRESULT WINAPI Match2_GetTypeInfoCount(IMatch2 *iface, UINT *pctinfo)
 401 {
 402     Match2 *This = impl_from_IMatch2(iface);
 403
 404     TRACE("(%p)->(%p)\n", This, pctinfo);
 405
 406     *pctinfo = 1;
 407     return S_OK;
 408 }
 409
 410 static HRESULT WINAPI Match2_GetTypeInfo(IMatch2 *iface,
 411         UINT iTInfo, LCID lcid, ITypeInfo **ppTInfo)
 412 {
 413     Match2 *This = impl_from_IMatch2(iface);
 414     FIXME("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
 415     return E_NOTIMPL;
 416 }
 417
 418 static HRESULT WINAPI Match2_GetIDsOfNames(IMatch2 *iface,
 419         REFIID riid, LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
 420 {
 421     Match2 *This = impl_from_IMatch2(iface);
 422
 423     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid),
 424             rgszNames, cNames, lcid, rgDispId);
 425
 426     return ITypeInfo_GetIDsOfNames(typeinfos[Match2_tid], rgszNames, cNames, rgDispId);
 427 }
 428
 429 static HRESULT WINAPI Match2_Invoke(IMatch2 *iface, DISPID dispIdMember,
 430         REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 431                 VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 432 {
 433     Match2 *This = impl_from_IMatch2(iface);
 434
 435     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
 436             lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 437
 438     return ITypeInfo_Invoke(typeinfos[Match2_tid], iface, dispIdMember, wFlags,
 439             pDispParams, pVarResult, pExcepInfo, puArgErr);
 440 }
 441
 442 static HRESULT WINAPI Match2_get_Value(IMatch2 *iface, BSTR *pValue)
 443 {
 444     Match2 *This = impl_from_IMatch2(iface);
 445
 446     TRACE("(%p)->(%p)\n", This, pValue);
 447
 448     if(!pValue)
 449         return E_POINTER;
 450
 451     if(!This->sub_matches->match) {
 452         *pValue = NULL;
 453         return S_OK;
 454     }
 455
 456     *pValue = SysAllocString(This->sub_matches->match);
 457     return *pValue ? S_OK : E_OUTOFMEMORY;
 458 }
 459
 460 static HRESULT WINAPI Match2_get_FirstIndex(IMatch2 *iface, LONG *pFirstIndex)
 461 {
 462     Match2 *This = impl_from_IMatch2(iface);
 463
 464     TRACE("(%p)->(%p)\n", This, pFirstIndex);
 465
 466     if(!pFirstIndex)
 467         return E_POINTER;
 468
 469     *pFirstIndex = This->index;
 470     return S_OK;
 471 }
 472
 473 static HRESULT WINAPI Match2_get_Length(IMatch2 *iface, LONG *pLength)
 474 {
 475     Match2 *This = impl_from_IMatch2(iface);
 476
 477     TRACE("(%p)->(%p)\n", This, pLength);
 478
 479     if(!pLength)
 480         return E_POINTER;
 481
 482     if(This->sub_matches->result)
 483         *pLength = This->sub_matches->result->match_len;
 484     else
 485         *pLength = 0;
 486     return S_OK;
 487 }
 488
 489 static HRESULT WINAPI Match2_get_SubMatches(IMatch2 *iface, IDispatch **ppSubMatches)
 490 {
 491     Match2 *This = impl_from_IMatch2(iface);
 492
 493     TRACE("(%p)->(%p)\n", This, ppSubMatches);
 494
 495     if(!ppSubMatches)
 496         return E_POINTER;
 497
 498     *ppSubMatches = (IDispatch*)&This->sub_matches->ISubMatches_iface;
 499     ISubMatches_AddRef(&This->sub_matches->ISubMatches_iface);
 500     return S_OK;
 501 }
 502
 503 static const IMatch2Vtbl Match2Vtbl = {
 504     Match2_QueryInterface,
 505     Match2_AddRef,
 506     Match2_Release,
 507     Match2_GetTypeInfoCount,
 508     Match2_GetTypeInfo,
 509     Match2_GetIDsOfNames,
 510     Match2_Invoke,
 511     Match2_get_Value,
 512     Match2_get_FirstIndex,
 513     Match2_get_Length,
 514     Match2_get_SubMatches
 515 };
 516
 517 static inline Match2 *impl_from_IMatch(IMatch *iface)
 518 {
 519     return CONTAINING_RECORD(iface, Match2, IMatch_iface);
 520 }
 521
 522 static HRESULT WINAPI Match_QueryInterface(IMatch *iface, REFIID riid, void **ppv)
 523 {
 524     Match2 *This = impl_from_IMatch(iface);
 525     return IMatch2_QueryInterface(&This->IMatch2_iface, riid, ppv);
 526 }
 527
 528 static ULONG WINAPI Match_AddRef(IMatch *iface)
 529 {
 530     Match2 *This = impl_from_IMatch(iface);
 531     return IMatch2_AddRef(&This->IMatch2_iface);
 532 }
 533
 534 static ULONG WINAPI Match_Release(IMatch *iface)
 535 {
 536     Match2 *This = impl_from_IMatch(iface);
 537     return IMatch2_Release(&This->IMatch2_iface);
 538 }
 539
 540 static HRESULT WINAPI Match_GetTypeInfoCount(IMatch *iface, UINT *pctinfo)
 541 {
 542     Match2 *This = impl_from_IMatch(iface);
 543     return IMatch2_GetTypeInfoCount(&This->IMatch2_iface, pctinfo);
 544 }
 545
 546 static HRESULT WINAPI Match_GetTypeInfo(IMatch *iface, UINT iTInfo, LCID lcid, ITypeInfo **ppTInfo)
 547 {
 548     Match2 *This = impl_from_IMatch(iface);
 549     return IMatch2_GetTypeInfo(&This->IMatch2_iface, iTInfo, lcid, ppTInfo);
 550 }
 551
 552 static HRESULT WINAPI Match_GetIDsOfNames(IMatch *iface, REFIID riid,
 553         LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
 554 {
 555     Match2 *This = impl_from_IMatch(iface);
 556     return IMatch2_GetIDsOfNames(&This->IMatch2_iface, riid, rgszNames, cNames, lcid, rgDispId);
 557 }
 558
 559 static HRESULT WINAPI Match_Invoke(IMatch *iface, DISPID dispIdMember,
 560         REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 561         VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 562 {
 563     Match2 *This = impl_from_IMatch(iface);
 564     return IMatch2_Invoke(&This->IMatch2_iface, dispIdMember, riid, lcid,
 565             wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 566 }
 567
 568 static HRESULT WINAPI Match_get_Value(IMatch *iface, BSTR *pValue)
 569 {
 570     Match2 *This = impl_from_IMatch(iface);
 571     return IMatch2_get_Value(&This->IMatch2_iface, pValue);
 572 }
 573
 574 static HRESULT WINAPI Match_get_FirstIndex(IMatch *iface, LONG *pFirstIndex)
 575 {
 576     Match2 *This = impl_from_IMatch(iface);
 577     return IMatch2_get_FirstIndex(&This->IMatch2_iface, pFirstIndex);
 578 }
 579
 580 static HRESULT WINAPI Match_get_Length(IMatch *iface, LONG *pLength)
 581 {
 582     Match2 *This = impl_from_IMatch(iface);
 583     return IMatch2_get_Length(&This->IMatch2_iface, pLength);
 584 }
 585
 586 static IMatchVtbl MatchVtbl = {
 587     Match_QueryInterface,
 588     Match_AddRef,
 589     Match_Release,
 590     Match_GetTypeInfoCount,
 591     Match_GetTypeInfo,
 592     Match_GetIDsOfNames,
 593     Match_Invoke,
 594     Match_get_Value,
 595     Match_get_FirstIndex,
 596     Match_get_Length
 597 };
 598
 599 static HRESULT create_match2(DWORD pos, match_state_t **result, IMatch2 **match)
 600 {
 601     Match2 *ret;
 602     HRESULT hres;
 603
 604     hres = init_regexp_typeinfo(Match2_tid);
 605     if(FAILED(hres))
 606         return hres;
 607
 608     ret = heap_alloc_zero(sizeof(*ret));
 609     if(!ret)
 610         return E_OUTOFMEMORY;
 611
 612     ret->index = pos;
 613     hres = create_sub_matches(pos, result ? *result : NULL, &ret->sub_matches);
 614     if(FAILED(hres)) {
 615         heap_free(ret);
 616         return hres;
 617     }
 618     if(result)
 619         *result = NULL;
 620
 621     ret->IMatch2_iface.lpVtbl = &Match2Vtbl;
 622     ret->IMatch_iface.lpVtbl = &MatchVtbl;
 623
 624     ret->ref = 1;
 625     *match = &ret->IMatch2_iface;
 626     return hres;
 627 }
 628
 629 static inline MatchCollectionEnum* impl_from_IMatchCollectionEnum(IEnumVARIANT *iface)
 630 {
 631     return CONTAINING_RECORD(iface, MatchCollectionEnum, IEnumVARIANT_iface);
 632 }
 633
 634 static HRESULT WINAPI MatchCollectionEnum_QueryInterface(
 635         IEnumVARIANT *iface, REFIID riid, void **ppv)
 636 {
 637     MatchCollectionEnum *This = impl_from_IMatchCollectionEnum(iface);
 638
 639     if(IsEqualGUID(riid, &IID_IUnknown)) {
 640         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 641         *ppv = &This->IEnumVARIANT_iface;
 642     }else if(IsEqualGUID(riid, &IID_IEnumVARIANT)) {
 643         TRACE("(%p)->(IID_IEnumVARIANT %p)\n", This, ppv);
 644         *ppv = &This->IEnumVARIANT_iface;
 645     }else {
 646         FIXME("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
 647         *ppv = NULL;
 648         return E_NOINTERFACE;
 649     }
 650
 651     IUnknown_AddRef((IUnknown*)*ppv);
 652     return S_OK;
 653 }
 654
 655 static ULONG WINAPI MatchCollectionEnum_AddRef(IEnumVARIANT *iface)
 656 {
 657     MatchCollectionEnum *This = impl_from_IMatchCollectionEnum(iface);
 658     LONG ref = InterlockedIncrement(&This->ref);
 659
 660     TRACE("(%p) ref=%d\n", This, ref);
 661
 662     return ref;
 663 }
 664
 665 static ULONG WINAPI MatchCollectionEnum_Release(IEnumVARIANT *iface)
 666 {
 667     MatchCollectionEnum *This = impl_from_IMatchCollectionEnum(iface);
 668     LONG ref = InterlockedDecrement(&This->ref);
 669
 670     TRACE("(%p) ref=%d\n", This, ref);
 671
 672     if(!ref) {
 673         IMatchCollection2_Release(This->mc);
 674         heap_free(This);
 675     }
 676
 677     return ref;
 678 }
 679
 680 static HRESULT WINAPI MatchCollectionEnum_Next(IEnumVARIANT *iface,
 681         ULONG celt, VARIANT *rgVar, ULONG *pCeltFetched)
 682 {
 683     MatchCollectionEnum *This = impl_from_IMatchCollectionEnum(iface);
 684     DWORD i;
 685     HRESULT hres = S_OK;
 686
 687     TRACE("(%p)->(%u %p %p)\n", This, celt, rgVar, pCeltFetched);
 688
 689     if(This->pos>=This->count) {
 690         if(pCeltFetched)
 691             *pCeltFetched = 0;
 692         return S_FALSE;
 693     }
 694
 695     for(i=0; i<celt && This->pos+i<This->count; i++) {
 696         V_VT(rgVar+i) = VT_DISPATCH;
 697         hres = IMatchCollection2_get_Item(This->mc, This->pos+i, &V_DISPATCH(rgVar+i));
 698         if(FAILED(hres))
 699             break;
 700     }
 701     if(FAILED(hres)) {
 702         while(i--)
 703             VariantClear(rgVar+i);
 704         return hres;
 705     }
 706
 707     if(pCeltFetched)
 708         *pCeltFetched = i;
 709     This->pos += i;
 710     return S_OK;
 711 }
 712
 713 static HRESULT WINAPI MatchCollectionEnum_Skip(IEnumVARIANT *iface, ULONG celt)
 714 {
 715     MatchCollectionEnum *This = impl_from_IMatchCollectionEnum(iface);
 716
 717     TRACE("(%p)->(%u)\n", This, celt);
 718
 719     if(This->pos+celt <= This->count)
 720         This->pos += celt;
 721     else
 722         This->pos = This->count;
 723     return S_OK;
 724 }
 725
 726 static HRESULT WINAPI MatchCollectionEnum_Reset(IEnumVARIANT *iface)
 727 {
 728     MatchCollectionEnum *This = impl_from_IMatchCollectionEnum(iface);
 729
 730     TRACE("(%p)\n", This);
 731
 732     This->pos = 0;
 733     return S_OK;
 734 }
 735
 736 static HRESULT WINAPI MatchCollectionEnum_Clone(IEnumVARIANT *iface, IEnumVARIANT **ppEnum)
 737 {
 738     MatchCollectionEnum *This = impl_from_IMatchCollectionEnum(iface);
 739     FIXME("(%p)->(%p)\n", This, ppEnum);
 740     return E_NOTIMPL;
 741 }
 742
 743 static const IEnumVARIANTVtbl MatchCollectionEnum_Vtbl = {
 744     MatchCollectionEnum_QueryInterface,
 745     MatchCollectionEnum_AddRef,
 746     MatchCollectionEnum_Release,
 747     MatchCollectionEnum_Next,
 748     MatchCollectionEnum_Skip,
 749     MatchCollectionEnum_Reset,
 750     MatchCollectionEnum_Clone
 751 };
 752
 753 static HRESULT create_enum_variant_mc2(IMatchCollection2 *mc, ULONG pos, IEnumVARIANT **enum_variant)
 754 {
 755     MatchCollectionEnum *ret;
 756
 757     ret = heap_alloc_zero(sizeof(*ret));
 758     if(!ret)
 759         return E_OUTOFMEMORY;
 760
 761     ret->IEnumVARIANT_iface.lpVtbl = &MatchCollectionEnum_Vtbl;
 762     ret->ref = 1;
 763     ret->pos = pos;
 764     IMatchCollection2_get_Count(mc, &ret->count);
 765     ret->mc = mc;
 766     IMatchCollection2_AddRef(mc);
 767
 768     *enum_variant = &ret->IEnumVARIANT_iface;
 769     return S_OK;
 770 }
 771
 772 static inline MatchCollection2* impl_from_IMatchCollection2(IMatchCollection2 *iface)
 773 {
 774     return CONTAINING_RECORD(iface, MatchCollection2, IMatchCollection2_iface);
 775 }
 776
 777 static HRESULT WINAPI MatchCollection2_QueryInterface(
 778         IMatchCollection2 *iface, REFIID riid, void **ppv)
 779 {
 780     MatchCollection2 *This = impl_from_IMatchCollection2(iface);
 781
 782     if(IsEqualGUID(riid, &IID_IUnknown)) {
 783         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 784         *ppv = &This->IMatchCollection2_iface;
 785     }else if(IsEqualGUID(riid, &IID_IDispatch)) {
 786         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
 787         *ppv = &This->IMatchCollection2_iface;
 788     }else if(IsEqualGUID(riid, &IID_IMatchCollection2)) {
 789         TRACE("(%p)->(IID_IMatchCollection2 %p)\n", This, ppv);
 790         *ppv = &This->IMatchCollection2_iface;
 791     }else if(IsEqualGUID(riid, &IID_IMatchCollection)) {
 792         TRACE("(%p)->(IID_IMatchCollection %p)\n", This, ppv);
 793         *ppv = &This->IMatchCollection_iface;
 794     }else if(IsEqualGUID(riid, &IID_IDispatchEx)) {
 795         TRACE("(%p)->(IID_IDispatchEx %p)\n", This, ppv);
 796         *ppv = NULL;
 797         return E_NOINTERFACE;
 798     }else {
 799         FIXME("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
 800         *ppv = NULL;
 801         return E_NOINTERFACE;
 802     }
 803
 804     IUnknown_AddRef((IUnknown*)*ppv);
 805     return S_OK;
 806 }
 807
 808 static ULONG WINAPI MatchCollection2_AddRef(IMatchCollection2 *iface)
 809 {
 810     MatchCollection2 *This = impl_from_IMatchCollection2(iface);
 811     LONG ref = InterlockedIncrement(&This->ref);
 812
 813     TRACE("(%p) ref=%d\n", This, ref);
 814
 815     return ref;
 816 }
 817
 818 static ULONG WINAPI MatchCollection2_Release(IMatchCollection2 *iface)
 819 {
 820     MatchCollection2 *This = impl_from_IMatchCollection2(iface);
 821     LONG ref = InterlockedDecrement(&This->ref);
 822
 823     TRACE("(%p) ref=%d\n", This, ref);
 824
 825     if(!ref) {
 826         DWORD i;
 827
 828         for(i=0; i<This->count; i++)
 829             IMatch2_Release(This->matches[i]);
 830         heap_free(This->matches);
 831
 832         heap_free(This);
 833     }
 834
 835     return ref;
 836 }
 837
 838 static HRESULT WINAPI MatchCollection2_GetTypeInfoCount(IMatchCollection2 *iface, UINT *pctinfo)
 839 {
 840     MatchCollection2 *This = impl_from_IMatchCollection2(iface);
 841
 842     TRACE("(%p)->(%p)\n", This, pctinfo);
 843
 844     *pctinfo = 1;
 845     return S_OK;
 846 }
 847
 848 static HRESULT WINAPI MatchCollection2_GetTypeInfo(IMatchCollection2 *iface,
 849         UINT iTInfo, LCID lcid, ITypeInfo **ppTInfo)
 850 {
 851     MatchCollection2 *This = impl_from_IMatchCollection2(iface);
 852     FIXME("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
 853     return E_NOTIMPL;
 854 }
 855
 856 static HRESULT WINAPI MatchCollection2_GetIDsOfNames(IMatchCollection2 *iface,
 857         REFIID riid, LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
 858 {
 859     MatchCollection2 *This = impl_from_IMatchCollection2(iface);
 860
 861     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid),
 862             rgszNames, cNames, lcid, rgDispId);
 863
 864     return ITypeInfo_GetIDsOfNames(typeinfos[MatchCollection2_tid], rgszNames, cNames, rgDispId);
 865 }
 866
 867 static HRESULT WINAPI MatchCollection2_Invoke(IMatchCollection2 *iface, DISPID dispIdMember,
 868         REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 869         VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 870 {
 871     MatchCollection2 *This = impl_from_IMatchCollection2(iface);
 872
 873     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
 874             lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 875
 876     return ITypeInfo_Invoke(typeinfos[MatchCollection2_tid], iface, dispIdMember, wFlags,
 877             pDispParams, pVarResult, pExcepInfo, puArgErr);
 878 }
 879
 880 static HRESULT WINAPI MatchCollection2_get_Item(IMatchCollection2 *iface,
 881         LONG index, IDispatch **ppMatch)
 882 {
 883     MatchCollection2 *This = impl_from_IMatchCollection2(iface);
 884
 885     TRACE("(%p)->()\n", This);
 886
 887     if(!ppMatch)
 888         return E_POINTER;
 889
 890     if(index<0 || index>=This->count)
 891         return E_INVALIDARG;
 892
 893     *ppMatch = (IDispatch*)This->matches[index];
 894     IMatch2_AddRef(This->matches[index]);
 895     return S_OK;
 896 }
 897
 898 static HRESULT WINAPI MatchCollection2_get_Count(IMatchCollection2 *iface, LONG *pCount)
 899 {
 900     MatchCollection2 *This = impl_from_IMatchCollection2(iface);
 901
 902     TRACE("(%p)->()\n", This);
 903
 904     if(!pCount)
 905         return E_POINTER;
 906
 907     *pCount = This->count;
 908     return S_OK;
 909 }
 910
 911 static HRESULT WINAPI MatchCollection2_get__NewEnum(IMatchCollection2 *iface, IUnknown **ppEnum)
 912 {
 913     MatchCollection2 *This = impl_from_IMatchCollection2(iface);
 914
 915     TRACE("(%p)->(%p)\n", This, ppEnum);
 916
 917     if(!ppEnum)
 918         return E_POINTER;
 919
 920     return create_enum_variant_mc2(&This->IMatchCollection2_iface, 0, (IEnumVARIANT**)ppEnum);
 921 }
 922
 923 static const IMatchCollection2Vtbl MatchCollection2Vtbl = {
 924     MatchCollection2_QueryInterface,
 925     MatchCollection2_AddRef,
 926     MatchCollection2_Release,
 927     MatchCollection2_GetTypeInfoCount,
 928     MatchCollection2_GetTypeInfo,
 929     MatchCollection2_GetIDsOfNames,
 930     MatchCollection2_Invoke,
 931     MatchCollection2_get_Item,
 932     MatchCollection2_get_Count,
 933     MatchCollection2_get__NewEnum
 934 };
 935
 936 static inline MatchCollection2 *impl_from_IMatchCollection(IMatchCollection *iface)
 937 {
 938     return CONTAINING_RECORD(iface, MatchCollection2, IMatchCollection_iface);
 939 }
 940
 941 static HRESULT WINAPI MatchCollection_QueryInterface(IMatchCollection *iface, REFIID riid, void **ppv)
 942 {
 943     MatchCollection2 *This = impl_from_IMatchCollection(iface);
 944     return IMatchCollection2_QueryInterface(&This->IMatchCollection2_iface, riid, ppv);
 945 }
 946
 947 static ULONG WINAPI MatchCollection_AddRef(IMatchCollection *iface)
 948 {
 949     MatchCollection2 *This = impl_from_IMatchCollection(iface);
 950     return IMatchCollection2_AddRef(&This->IMatchCollection2_iface);
 951 }
 952
 953 static ULONG WINAPI MatchCollection_Release(IMatchCollection *iface)
 954 {
 955     MatchCollection2 *This = impl_from_IMatchCollection(iface);
 956     return IMatchCollection2_Release(&This->IMatchCollection2_iface);
 957 }
 958
 959 static HRESULT WINAPI MatchCollection_GetTypeInfoCount(IMatchCollection *iface, UINT *pctinfo)
 960 {
 961     MatchCollection2 *This = impl_from_IMatchCollection(iface);
 962     return IMatchCollection2_GetTypeInfoCount(&This->IMatchCollection2_iface, pctinfo);
 963 }
 964
 965 static HRESULT WINAPI MatchCollection_GetTypeInfo(IMatchCollection *iface,
 966         UINT iTInfo, LCID lcid, ITypeInfo **ppTInfo)
 967 {
 968     MatchCollection2 *This = impl_from_IMatchCollection(iface);
 969     return IMatchCollection2_GetTypeInfo(&This->IMatchCollection2_iface, iTInfo, lcid, ppTInfo);
 970 }
 971
 972 static HRESULT WINAPI MatchCollection_GetIDsOfNames(IMatchCollection *iface, REFIID riid,
 973         LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
 974 {
 975     MatchCollection2 *This = impl_from_IMatchCollection(iface);
 976     return IMatchCollection2_GetIDsOfNames(&This->IMatchCollection2_iface,
 977             riid, rgszNames, cNames, lcid, rgDispId);
 978 }
 979
 980 static HRESULT WINAPI MatchCollection_Invoke(IMatchCollection *iface, DISPID dispIdMember,
 981         REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult,
 982         EXCEPINFO *pExcepInfo, UINT *puArgErr)
 983 {
 984     MatchCollection2 *This = impl_from_IMatchCollection(iface);
 985     return IMatchCollection2_Invoke(&This->IMatchCollection2_iface, dispIdMember,
 986             riid, lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 987 }
 988
 989 static HRESULT WINAPI MatchCollection_get_Item(IMatchCollection *iface, LONG index, IDispatch **ppMatch)
 990 {
 991     MatchCollection2 *This = impl_from_IMatchCollection(iface);
 992     return IMatchCollection2_get_Item(&This->IMatchCollection2_iface, index, ppMatch);
 993 }
 994
 995 static HRESULT WINAPI MatchCollection_get_Count(IMatchCollection *iface, LONG *pCount)
 996 {
 997     MatchCollection2 *This = impl_from_IMatchCollection(iface);
 998     return IMatchCollection2_get_Count(&This->IMatchCollection2_iface, pCount);
 999 }
1000
1001 static HRESULT WINAPI MatchCollection_get__NewEnum(IMatchCollection *iface, IUnknown **ppEnum)
1002 {
1003     MatchCollection2 *This = impl_from_IMatchCollection(iface);
1004     return IMatchCollection2_get__NewEnum(&This->IMatchCollection2_iface, ppEnum);
1005 }
1006
1007 static const IMatchCollectionVtbl MatchCollectionVtbl = {
1008     MatchCollection_QueryInterface,
1009     MatchCollection_AddRef,
1010     MatchCollection_Release,
1011     MatchCollection_GetTypeInfoCount,
1012     MatchCollection_GetTypeInfo,
1013     MatchCollection_GetIDsOfNames,
1014     MatchCollection_Invoke,
1015     MatchCollection_get_Item,
1016     MatchCollection_get_Count,
1017     MatchCollection_get__NewEnum
1018 };
1019
1020 static HRESULT add_match(IMatchCollection2 *iface, IMatch2 *add)
1021 {
1022     MatchCollection2 *This = impl_from_IMatchCollection2(iface);
1023
1024     TRACE("(%p)->(%p)\n", This, add);
1025
1026     if(!This->size) {
1027         This->matches = heap_alloc(8*sizeof(IMatch*));
1028         if(!This->matches)
1029             return E_OUTOFMEMORY;
1030         This->size = 8;
1031     }else if(This->size == This->count) {
1032         IMatch2 **new_matches = heap_realloc(This->matches, 2*This->size*sizeof(IMatch*));
1033         if(!new_matches)
1034             return E_OUTOFMEMORY;
1035
1036         This->matches = new_matches;
1037         This->size <<= 1;
1038     }
1039
1040     This->matches[This->count++] = add;
1041     IMatch2_AddRef(add);
1042     return S_OK;
1043 }
1044
1045 static HRESULT create_match_collection2(IMatchCollection2 **match_collection)
1046 {
1047     MatchCollection2 *ret;
1048     HRESULT hres;
1049
1050     hres = init_regexp_typeinfo(MatchCollection2_tid);
1051     if(FAILED(hres))
1052         return hres;
1053
1054     ret = heap_alloc_zero(sizeof(*ret));
1055     if(!ret)
1056         return E_OUTOFMEMORY;
1057
1058     ret->IMatchCollection2_iface.lpVtbl = &MatchCollection2Vtbl;
1059     ret->IMatchCollection_iface.lpVtbl = &MatchCollectionVtbl;
1060
1061     ret->ref = 1;
1062     *match_collection = &ret->IMatchCollection2_iface;
1063     return S_OK;
1064 }
1065
1066 static inline RegExp2 *impl_from_IRegExp2(IRegExp2 *iface)
1067 {
1068     return CONTAINING_RECORD(iface, RegExp2, IRegExp2_iface);
1069 }
1070
1071 static HRESULT WINAPI RegExp2_QueryInterface(IRegExp2 *iface, REFIID riid, void **ppv)
1072 {
1073     RegExp2 *This = impl_from_IRegExp2(iface);
1074
1075     if(IsEqualGUID(riid, &IID_IUnknown)) {
1076         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
1077         *ppv = &This->IRegExp2_iface;
1078     }else if(IsEqualGUID(riid, &IID_IDispatch)) {
1079         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
1080         *ppv = &This->IRegExp2_iface;
1081     }else if(IsEqualGUID(riid, &IID_IRegExp2)) {
1082         TRACE("(%p)->(IID_IRegExp2 %p)\n", This, ppv);
1083         *ppv = &This->IRegExp2_iface;
1084     }else if(IsEqualGUID(riid, &IID_IRegExp)) {
1085         TRACE("(%p)->(IID_IRegExp %p)\n", This, ppv);
1086         *ppv = &This->IRegExp_iface;
1087     }else if(IsEqualGUID(riid, &IID_IDispatchEx)) {
1088         TRACE("(%p)->(IID_IDispatchEx %p)\n", This, ppv);
1089         *ppv = NULL;
1090         return E_NOINTERFACE;
1091     }else {
1092         FIXME("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
1093         *ppv = NULL;
1094         return E_NOINTERFACE;
1095     }
1096
1097     IUnknown_AddRef((IUnknown*)*ppv);
1098     return S_OK;
1099 }
1100
1101 static ULONG WINAPI RegExp2_AddRef(IRegExp2 *iface)
1102 {
1103     RegExp2 *This = impl_from_IRegExp2(iface);
1104     LONG ref = InterlockedIncrement(&This->ref);
1105
1106     TRACE("(%p) ref=%d\n", This, ref);
1107
1108     return ref;
1109 }
1110
1111 static ULONG WINAPI RegExp2_Release(IRegExp2 *iface)
1112 {
1113     RegExp2 *This = impl_from_IRegExp2(iface);
1114     LONG ref = InterlockedDecrement(&This->ref);
1115
1116     TRACE("(%p) ref=%d\n", This, ref);
1117
1118     if(!ref) {
1119         heap_free(This->pattern);
1120         if(This->regexp)
1121             regexp_destroy(This->regexp);
1122         heap_pool_free(&This->pool);
1123         heap_free(This);
1124     }
1125
1126     return ref;
1127 }
1128
1129 static HRESULT WINAPI RegExp2_GetTypeInfoCount(IRegExp2 *iface, UINT *pctinfo)
1130 {
1131     RegExp2 *This = impl_from_IRegExp2(iface);
1132
1133     TRACE("(%p)->(%p)\n", This, pctinfo);
1134
1135     *pctinfo = 1;
1136     return S_OK;
1137 }
1138
1139 static HRESULT WINAPI RegExp2_GetTypeInfo(IRegExp2 *iface,
1140         UINT iTInfo, LCID lcid, ITypeInfo **ppTInfo)
1141 {
1142     RegExp2 *This = impl_from_IRegExp2(iface);
1143     FIXME("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
1144     return E_NOTIMPL;
1145 }
1146
1147 static HRESULT WINAPI RegExp2_GetIDsOfNames(IRegExp2 *iface, REFIID riid,
1148         LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
1149 {
1150     RegExp2 *This = impl_from_IRegExp2(iface);
1151
1152     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid),
1153             rgszNames, cNames, lcid, rgDispId);
1154
1155     return ITypeInfo_GetIDsOfNames(typeinfos[RegExp2_tid], rgszNames, cNames, rgDispId);
1156 }
1157
1158 static HRESULT WINAPI RegExp2_Invoke(IRegExp2 *iface, DISPID dispIdMember,
1159         REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
1160         VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
1161 {
1162     RegExp2 *This = impl_from_IRegExp2(iface);
1163
1164     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
1165             lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
1166
1167     return ITypeInfo_Invoke(typeinfos[RegExp2_tid], iface, dispIdMember, wFlags,
1168             pDispParams, pVarResult, pExcepInfo, puArgErr);
1169 }
1170
1171 static HRESULT WINAPI RegExp2_get_Pattern(IRegExp2 *iface, BSTR *pPattern)
1172 {
1173     RegExp2 *This = impl_from_IRegExp2(iface);
1174
1175     TRACE("(%p)->(%p)\n", This, pPattern);
1176
1177     if(!pPattern)
1178         return E_POINTER;
1179
1180     if(!This->pattern) {
1181         *pPattern = NULL;
1182         return S_OK;
1183     }
1184
1185     *pPattern = SysAllocString(This->pattern);
1186     return *pPattern ? S_OK : E_OUTOFMEMORY;
1187 }
1188
1189 static HRESULT WINAPI RegExp2_put_Pattern(IRegExp2 *iface, BSTR pattern)
1190 {
1191     RegExp2 *This = impl_from_IRegExp2(iface);
1192     WCHAR *new_pattern;
1193
1194     TRACE("(%p)->(%s)\n", This, wine_dbgstr_w(pattern));
1195
1196     if(pattern && *pattern) {
1197         SIZE_T size = (SysStringLen(pattern)+1) * sizeof(WCHAR);
1198         new_pattern = heap_alloc(size);
1199         if(!new_pattern)
1200             return E_OUTOFMEMORY;
1201         memcpy(new_pattern, pattern, size);
1202     }else {
1203         new_pattern = NULL;
1204     }
1205
1206     heap_free(This->pattern);
1207     This->pattern = new_pattern;
1208
1209     if(This->regexp) {
1210         regexp_destroy(This->regexp);
1211         This->regexp = NULL;
1212     }
1213     return S_OK;
1214 }
1215
1216 static HRESULT WINAPI RegExp2_get_IgnoreCase(IRegExp2 *iface, VARIANT_BOOL *pIgnoreCase)
1217 {
1218     RegExp2 *This = impl_from_IRegExp2(iface);
1219
1220     TRACE("(%p)->(%p)\n", This, pIgnoreCase);
1221
1222     if(!pIgnoreCase)
1223         return E_POINTER;
1224
1225     *pIgnoreCase = This->flags & REG_FOLD ? VARIANT_TRUE : VARIANT_FALSE;
1226     return S_OK;
1227 }
1228
1229 static HRESULT WINAPI RegExp2_put_IgnoreCase(IRegExp2 *iface, VARIANT_BOOL ignoreCase)
1230 {
1231     RegExp2 *This = impl_from_IRegExp2(iface);
1232
1233     TRACE("(%p)->(%s)\n", This, ignoreCase ? "true" : "false");
1234
1235     if(ignoreCase)
1236         This->flags |= REG_FOLD;
1237     else
1238         This->flags &= ~REG_FOLD;
1239     return S_OK;
1240 }
1241
1242 static HRESULT WINAPI RegExp2_get_Global(IRegExp2 *iface, VARIANT_BOOL *pGlobal)
1243 {
1244     RegExp2 *This = impl_from_IRegExp2(iface);
1245
1246     TRACE("(%p)->(%p)\n", This, pGlobal);
1247
1248     if(!pGlobal)
1249         return E_POINTER;
1250
1251     *pGlobal = This->flags & REG_GLOB ? VARIANT_TRUE : VARIANT_FALSE;
1252     return S_OK;
1253 }
1254
1255 static HRESULT WINAPI RegExp2_put_Global(IRegExp2 *iface, VARIANT_BOOL global)
1256 {
1257     RegExp2 *This = impl_from_IRegExp2(iface);
1258
1259     TRACE("(%p)->(%s)\n", This, global ? "true" : "false");
1260
1261     if(global)
1262         This->flags |= REG_GLOB;
1263     else
1264         This->flags &= ~REG_GLOB;
1265     return S_OK;
1266 }
1267
1268 static HRESULT WINAPI RegExp2_get_Multiline(IRegExp2 *iface, VARIANT_BOOL *pMultiline)
1269 {
1270     RegExp2 *This = impl_from_IRegExp2(iface);
1271
1272     TRACE("(%p)->(%p)\n", This, pMultiline);
1273
1274     if(!pMultiline)
1275         return E_POINTER;
1276
1277     *pMultiline = This->flags & REG_MULTILINE ? VARIANT_TRUE : VARIANT_FALSE;
1278     return S_OK;
1279 }
1280
1281 static HRESULT WINAPI RegExp2_put_Multiline(IRegExp2 *iface, VARIANT_BOOL multiline)
1282 {
1283     RegExp2 *This = impl_from_IRegExp2(iface);
1284
1285     TRACE("(%p)->(%s)\n", This, multiline ? "true" : "false");
1286
1287     if(multiline)
1288         This->flags |= REG_MULTILINE;
1289     else
1290         This->flags &= ~REG_MULTILINE;
1291     return S_OK;
1292 }
1293
1294 static HRESULT WINAPI RegExp2_Execute(IRegExp2 *iface,
1295         BSTR sourceString, IDispatch **ppMatches)
1296 {
1297     RegExp2 *This = impl_from_IRegExp2(iface);
1298     match_state_t *result;
1299     const WCHAR *pos;
1300     IMatchCollection2 *match_collection;
1301     IMatch2 *add = NULL;
1302     HRESULT hres;
1303
1304     TRACE("(%p)->(%s %p)\n", This, debugstr_w(sourceString), ppMatches);
1305
1306     if(!This->pattern) {
1307         DWORD i, len = SysStringLen(sourceString);
1308
1309         hres = create_match_collection2(&match_collection);
1310         if(FAILED(hres))
1311             return hres;
1312
1313         for(i=0; i<=len; i++) {
1314             hres = create_match2(i, NULL, &add);
1315             if(FAILED(hres))
1316                 break;
1317
1318             hres = add_match(match_collection, add);
1319             if(FAILED(hres))
1320                 break;
1321             IMatch2_Release(add);
1322
1323             if(!(This->flags & REG_GLOB))
1324                 break;
1325         }
1326
1327         if(FAILED(hres)) {
1328             IMatchCollection2_Release(match_collection);
1329             return hres;
1330         }
1331
1332         *ppMatches = (IDispatch*)match_collection;
1333         return S_OK;
1334     }
1335
1336     if(!This->regexp) {
1337         This->regexp = regexp_new(NULL, &This->pool, This->pattern,
1338                 lstrlenW(This->pattern), This->flags, FALSE);
1339         if(!This->regexp)
1340             return E_FAIL;
1341     }else {
1342         hres = regexp_set_flags(&This->regexp, NULL, &This->pool, This->flags);
1343         if(FAILED(hres))
1344             return hres;
1345     }
1346
1347     hres = create_match_collection2(&match_collection);
1348     if(FAILED(hres))
1349         return hres;
1350
1351     pos = sourceString;
1352     while(1) {
1353         result = alloc_match_state(This->regexp, NULL, pos);
1354         if(!result) {
1355             hres = E_OUTOFMEMORY;
1356             break;
1357         }
1358
1359         hres = regexp_execute(This->regexp, NULL, &This->pool,
1360                 sourceString, SysStringLen(sourceString), result);
1361         if(hres != S_OK) {
1362             heap_free(result);
1363             break;
1364         }
1365         pos = result->cp;
1366
1367         hres = create_match2(result->cp-result->match_len-sourceString, &result, &add);
1368         heap_free(result);
1369         if(FAILED(hres))
1370             break;
1371         hres = add_match(match_collection, add);
1372         IMatch2_Release(add);
1373         if(FAILED(hres))
1374             break;
1375
1376         if(!(This->flags & REG_GLOB))
1377             break;
1378     }
1379
1380     if(FAILED(hres)) {
1381         IMatchCollection2_Release(match_collection);
1382         return hres;
1383     }
1384
1385     *ppMatches = (IDispatch*)match_collection;
1386     return S_OK;
1387 }
1388
1389 static HRESULT WINAPI RegExp2_Test(IRegExp2 *iface, BSTR sourceString, VARIANT_BOOL *pMatch)
1390 {
1391     RegExp2 *This = impl_from_IRegExp2(iface);
1392     match_state_t *result;
1393     heap_pool_t *mark;
1394     HRESULT hres;
1395
1396     TRACE("(%p)->(%s %p)\n", This, debugstr_w(sourceString), pMatch);
1397
1398     if(!This->pattern) {
1399         *pMatch = VARIANT_TRUE;
1400         return S_OK;
1401     }
1402
1403     if(!This->regexp) {
1404         This->regexp = regexp_new(NULL, &This->pool, This->pattern,
1405                 lstrlenW(This->pattern), This->flags, FALSE);
1406         if(!This->regexp)
1407             return E_FAIL;
1408     }else {
1409         hres = regexp_set_flags(&This->regexp, NULL, &This->pool, This->flags);
1410         if(FAILED(hres))
1411             return hres;
1412     }
1413
1414     mark = heap_pool_mark(&This->pool);
1415     result = alloc_match_state(This->regexp, &This->pool, sourceString);
1416     if(!result) {
1417         heap_pool_clear(mark);
1418         return E_OUTOFMEMORY;
1419     }
1420
1421     hres = regexp_execute(This->regexp, NULL, &This->pool,
1422             sourceString, SysStringLen(sourceString), result);
1423
1424     heap_pool_clear(mark);
1425
1426     if(hres == S_OK) {
1427         *pMatch = VARIANT_TRUE;
1428     }else if(hres == S_FALSE) {
1429         *pMatch = VARIANT_FALSE;
1430         hres = S_OK;
1431     }
1432     return hres;
1433 }
1434
1435 typedef struct {
1436     WCHAR *buf;
1437     DWORD size;
1438     DWORD len;
1439 } strbuf_t;
1440
1441 static BOOL strbuf_ensure_size(strbuf_t *buf, unsigned len)
1442 {
1443     WCHAR *new_buf;
1444     DWORD new_size;
1445
1446     if(len <= buf->size)
1447         return TRUE;
1448
1449     new_size = buf->size ? buf->size<<1 : 16;
1450     if(new_size < len)
1451         new_size = len;
1452     if(buf->buf)
1453         new_buf = heap_realloc(buf->buf, new_size*sizeof(WCHAR));
1454     else
1455         new_buf = heap_alloc(new_size*sizeof(WCHAR));
1456     if(!new_buf)
1457         return FALSE;
1458
1459     buf->buf = new_buf;
1460     buf->size = new_size;
1461     return TRUE;
1462 }
1463
1464 static HRESULT strbuf_append(strbuf_t *buf, const WCHAR *str, DWORD len)
1465 {
1466     if(!len)
1467         return S_OK;
1468
1469     if(!strbuf_ensure_size(buf, buf->len+len))
1470         return E_OUTOFMEMORY;
1471
1472     memcpy(buf->buf+buf->len, str, len*sizeof(WCHAR));
1473     buf->len += len;
1474     return S_OK;
1475 }
1476
1477 static HRESULT WINAPI RegExp2_Replace(IRegExp2 *iface, BSTR source, VARIANT replaceVar, BSTR *ret)
1478 {
1479     RegExp2 *This = impl_from_IRegExp2(iface);
1480     const WCHAR *cp, *prev_cp = NULL, *ptr, *prev_ptr;
1481     size_t match_len = 0, source_len, replace_len;
1482     strbuf_t buf = { NULL, 0, 0 };
1483     match_state_t *state = NULL;
1484     heap_pool_t *mark;
1485     VARIANT strv;
1486     BSTR replace;
1487     HRESULT hres;
1488
1489     TRACE("(%p)->(%s %s %p)\n", This, debugstr_w(source), debugstr_variant(&replaceVar), ret);
1490
1491     if(This->pattern) {
1492         if(!This->regexp) {
1493             This->regexp = regexp_new(NULL, &This->pool, This->pattern,
1494                                       lstrlenW(This->pattern), This->flags, FALSE);
1495             if(!This->regexp)
1496                 return E_OUTOFMEMORY;
1497         }else {
1498             hres = regexp_set_flags(&This->regexp, NULL, &This->pool, This->flags);
1499             if(FAILED(hres))
1500                 return hres;
1501         }
1502     }
1503
1504     V_VT(&strv) = VT_EMPTY;
1505     hres = VariantChangeType(&strv, &replaceVar, 0, VT_BSTR);
1506     if(FAILED(hres))
1507         return hres;
1508     replace = V_BSTR(&strv);
1509     replace_len = SysStringLen(replace);
1510     source_len = SysStringLen(source);
1511
1512     mark = heap_pool_mark(&This->pool);
1513     cp = source;
1514     if(This->regexp && !(state = alloc_match_state(This->regexp, &This->pool, cp)))
1515         hres = E_OUTOFMEMORY;
1516
1517     while(SUCCEEDED(hres)) {
1518         if(This->regexp) {
1519             prev_cp = cp;
1520             hres = regexp_execute(This->regexp, NULL, &This->pool, source, source_len, state);
1521             if(hres != S_OK) break;
1522             cp = state->cp;
1523             match_len = state->match_len;
1524         }else if(prev_cp) {
1525             if(cp == source + source_len)
1526                 break;
1527             prev_cp = cp++;
1528         }else {
1529             prev_cp = cp;
1530         }
1531
1532         hres = strbuf_append(&buf, prev_cp, cp - prev_cp - match_len);
1533         if(FAILED(hres))
1534             break;
1535
1536         prev_ptr = replace;
1537         while((ptr = wmemchr(prev_ptr, '$', replace + replace_len - prev_ptr))) {
1538             hres = strbuf_append(&buf, prev_ptr, ptr - prev_ptr);
1539             if(FAILED(hres))
1540                 break;
1541
1542             switch(ptr[1]) {
1543             case '$':
1544                 hres = strbuf_append(&buf, ptr, 1);
1545                 prev_ptr = ptr + 2;
1546                 break;
1547             case '&':
1548                 hres = strbuf_append(&buf, cp - match_len, match_len);
1549                 prev_ptr = ptr + 2;
1550                 break;
1551             case '`':
1552                 hres = strbuf_append(&buf, source, cp - source - match_len);
1553                 prev_ptr = ptr + 2;
1554                 break;
1555             case '\'':
1556                 hres = strbuf_append(&buf, cp, source + source_len - cp);
1557                 prev_ptr = ptr + 2;
1558                 break;
1559             default: {
1560                 DWORD idx;
1561
1562                 if(!is_digit(ptr[1])) {
1563                     hres = strbuf_append(&buf, ptr, 1);
1564                     prev_ptr = ptr + 1;
1565                     break;
1566                 }
1567
1568                 idx = ptr[1] - '0';
1569                 if(is_digit(ptr[2]) && idx * 10 + (ptr[2] - '0') <= state->paren_count) {
1570                     idx = idx * 10 + (ptr[2] - '0');
1571                     prev_ptr = ptr + 3;
1572                 }else if(idx && idx <= state->paren_count) {
1573                     prev_ptr = ptr + 2;
1574                 }else {
1575                     hres = strbuf_append(&buf, ptr, 1);
1576                     prev_ptr = ptr + 1;
1577                     break;
1578                 }
1579
1580                 if(state->parens[idx - 1].index != -1)
1581                     hres = strbuf_append(&buf, source + state->parens[idx - 1].index,
1582                                          state->parens[idx - 1].length);
1583                 break;
1584             }
1585             }
1586             if(FAILED(hres))
1587                 break;
1588         }
1589         if(SUCCEEDED(hres))
1590             hres = strbuf_append(&buf, prev_ptr, replace + replace_len - prev_ptr);
1591         if(FAILED(hres))
1592             break;
1593
1594         if(!(This->flags & REG_GLOB))
1595             break;
1596     }
1597
1598     if(SUCCEEDED(hres)) {
1599         hres = strbuf_append(&buf, cp, source + source_len - cp);
1600         if(SUCCEEDED(hres) && !(*ret = SysAllocStringLen(buf.buf, buf.len)))
1601             hres = E_OUTOFMEMORY;
1602     }
1603
1604     heap_pool_clear(mark);
1605     heap_free(buf.buf);
1606     SysFreeString(replace);
1607     return hres;
1608 }
1609
1610 static const IRegExp2Vtbl RegExp2Vtbl = {
1611     RegExp2_QueryInterface,
1612     RegExp2_AddRef,
1613     RegExp2_Release,
1614     RegExp2_GetTypeInfoCount,
1615     RegExp2_GetTypeInfo,
1616     RegExp2_GetIDsOfNames,
1617     RegExp2_Invoke,
1618     RegExp2_get_Pattern,
1619     RegExp2_put_Pattern,
1620     RegExp2_get_IgnoreCase,
1621     RegExp2_put_IgnoreCase,
1622     RegExp2_get_Global,
1623     RegExp2_put_Global,
1624     RegExp2_get_Multiline,
1625     RegExp2_put_Multiline,
1626     RegExp2_Execute,
1627     RegExp2_Test,
1628     RegExp2_Replace
1629 };
1630
1631 BSTR string_replace(BSTR string, BSTR find, BSTR replace, int from, int cnt, int mode)
1632 {
1633     const WCHAR *ptr, *string_end;
1634     strbuf_t buf = { NULL, 0, 0 };
1635     size_t replace_len, find_len;
1636     BSTR ret = NULL;
1637     HRESULT hres = S_OK;
1638     int pos;
1639
1640     string_end = string + SysStringLen(string);
1641     ptr = from > SysStringLen(string) ? string_end : string + from;
1642
1643     find_len = SysStringLen(find);
1644     replace_len = SysStringLen(replace);
1645
1646     while(string_end - ptr >= find_len && cnt && find_len) {
1647         pos = FindStringOrdinal(FIND_FROMSTART, ptr, string_end - ptr,
1648                                 find, find_len, mode);
1649
1650         if(pos == -1)
1651             break;
1652         else {
1653             hres = strbuf_append(&buf, ptr, pos);
1654             if(FAILED(hres))
1655                 break;
1656             hres = strbuf_append(&buf, replace, replace_len);
1657             if(FAILED(hres))
1658                 break;
1659
1660             ptr = ptr + pos + find_len;
1661             if(cnt != -1)
1662                 cnt--;
1663         }
1664     }
1665
1666     if(SUCCEEDED(hres)) {
1667         hres = strbuf_append(&buf, ptr, string_end - ptr);
1668         if(SUCCEEDED(hres))
1669             ret = SysAllocStringLen(buf.buf, buf.len);
1670     }
1671
1672     heap_free(buf.buf);
1673     return ret;
1674 }
1675
1676 static inline RegExp2 *impl_from_IRegExp(IRegExp *iface)
1677 {
1678     return CONTAINING_RECORD(iface, RegExp2, IRegExp_iface);
1679 }
1680
1681 static HRESULT WINAPI RegExp_QueryInterface(IRegExp *iface, REFIID riid, void **ppv)
1682 {
1683     RegExp2 *This = impl_from_IRegExp(iface);
1684     return IRegExp2_QueryInterface(&This->IRegExp2_iface, riid, ppv);
1685 }
1686
1687 static ULONG WINAPI RegExp_AddRef(IRegExp *iface)
1688 {
1689     RegExp2 *This = impl_from_IRegExp(iface);
1690     return IRegExp2_AddRef(&This->IRegExp2_iface);
1691 }
1692
1693 static ULONG WINAPI RegExp_Release(IRegExp *iface)
1694 {
1695     RegExp2 *This = impl_from_IRegExp(iface);
1696     return IRegExp2_Release(&This->IRegExp2_iface);
1697 }
1698
1699 static HRESULT WINAPI RegExp_GetTypeInfoCount(IRegExp *iface, UINT *pctinfo)
1700 {
1701     RegExp2 *This = impl_from_IRegExp(iface);
1702     return IRegExp2_GetTypeInfoCount(&This->IRegExp2_iface, pctinfo);
1703 }
1704
1705 static HRESULT WINAPI RegExp_GetTypeInfo(IRegExp *iface,
1706         UINT iTInfo, LCID lcid, ITypeInfo **ppTInfo)
1707 {
1708     RegExp2 *This = impl_from_IRegExp(iface);
1709     return IRegExp2_GetTypeInfo(&This->IRegExp2_iface, iTInfo, lcid, ppTInfo);
1710 }
1711
1712 static HRESULT WINAPI RegExp_GetIDsOfNames(IRegExp *iface, REFIID riid,
1713         LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
1714 {
1715     RegExp2 *This = impl_from_IRegExp(iface);
1716     return IRegExp2_GetIDsOfNames(&This->IRegExp2_iface, riid, rgszNames, cNames, lcid, rgDispId);
1717 }
1718
1719 static HRESULT WINAPI RegExp_Invoke(IRegExp *iface, DISPID dispIdMember,
1720         REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
1721                 VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
1722 {
1723     RegExp2 *This = impl_from_IRegExp(iface);
1724     return IRegExp2_Invoke(&This->IRegExp2_iface, dispIdMember, riid, lcid,
1725             wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
1726 }
1727
1728 static HRESULT WINAPI RegExp_get_Pattern(IRegExp *iface, BSTR *pPattern)
1729 {
1730     RegExp2 *This = impl_from_IRegExp(iface);
1731     return IRegExp2_get_Pattern(&This->IRegExp2_iface, pPattern);
1732 }
1733
1734 static HRESULT WINAPI RegExp_put_Pattern(IRegExp *iface, BSTR pPattern)
1735 {
1736     RegExp2 *This = impl_from_IRegExp(iface);
1737     return IRegExp2_put_Pattern(&This->IRegExp2_iface, pPattern);
1738 }
1739
1740 static HRESULT WINAPI RegExp_get_IgnoreCase(IRegExp *iface, VARIANT_BOOL *pIgnoreCase)
1741 {
1742     RegExp2 *This = impl_from_IRegExp(iface);
1743     return IRegExp2_get_IgnoreCase(&This->IRegExp2_iface, pIgnoreCase);
1744 }
1745
1746 static HRESULT WINAPI RegExp_put_IgnoreCase(IRegExp *iface, VARIANT_BOOL pIgnoreCase)
1747 {
1748     RegExp2 *This = impl_from_IRegExp(iface);
1749     return IRegExp2_put_IgnoreCase(&This->IRegExp2_iface, pIgnoreCase);
1750 }
1751
1752 static HRESULT WINAPI RegExp_get_Global(IRegExp *iface, VARIANT_BOOL *pGlobal)
1753 {
1754     RegExp2 *This = impl_from_IRegExp(iface);
1755     return IRegExp2_get_Global(&This->IRegExp2_iface, pGlobal);
1756 }
1757
1758 static HRESULT WINAPI RegExp_put_Global(IRegExp *iface, VARIANT_BOOL pGlobal)
1759 {
1760     RegExp2 *This = impl_from_IRegExp(iface);
1761     return IRegExp2_put_Global(&This->IRegExp2_iface, pGlobal);
1762 }
1763
1764 static HRESULT WINAPI RegExp_Execute(IRegExp *iface,
1765         BSTR sourceString, IDispatch **ppMatches)
1766 {
1767     RegExp2 *This = impl_from_IRegExp(iface);
1768     return IRegExp2_Execute(&This->IRegExp2_iface, sourceString, ppMatches);
1769 }
1770
1771 static HRESULT WINAPI RegExp_Test(IRegExp *iface, BSTR sourceString, VARIANT_BOOL *pMatch)
1772 {
1773     RegExp2 *This = impl_from_IRegExp(iface);
1774     return IRegExp2_Test(&This->IRegExp2_iface, sourceString, pMatch);
1775 }
1776
1777 static HRESULT WINAPI RegExp_Replace(IRegExp *iface, BSTR sourceString,
1778         BSTR replaceString, BSTR *pDestString)
1779 {
1780     RegExp2 *This = impl_from_IRegExp(iface);
1781     VARIANT replace;
1782
1783     V_VT(&replace) = VT_BSTR;
1784     V_BSTR(&replace) = replaceString;
1785     return IRegExp2_Replace(&This->IRegExp2_iface, sourceString, replace, pDestString);
1786 }
1787
1788 static IRegExpVtbl RegExpVtbl = {
1789     RegExp_QueryInterface,
1790     RegExp_AddRef,
1791     RegExp_Release,
1792     RegExp_GetTypeInfoCount,
1793     RegExp_GetTypeInfo,
1794     RegExp_GetIDsOfNames,
1795     RegExp_Invoke,
1796     RegExp_get_Pattern,
1797     RegExp_put_Pattern,
1798     RegExp_get_IgnoreCase,
1799     RegExp_put_IgnoreCase,
1800     RegExp_get_Global,
1801     RegExp_put_Global,
1802     RegExp_Execute,
1803     RegExp_Test,
1804     RegExp_Replace
1805 };
1806
1807 HRESULT create_regexp(IDispatch **ret)
1808 {
1809     RegExp2 *regexp;
1810     HRESULT hres;
1811
1812     hres = init_regexp_typeinfo(RegExp2_tid);
1813     if(FAILED(hres))
1814         return hres;
1815
1816     regexp = heap_alloc_zero(sizeof(*regexp));
1817     if(!regexp)
1818         return E_OUTOFMEMORY;
1819
1820     regexp->IRegExp2_iface.lpVtbl = &RegExp2Vtbl;
1821     regexp->IRegExp_iface.lpVtbl = &RegExpVtbl;
1822     regexp->ref = 1;
1823     heap_pool_init(&regexp->pool);
1824
1825     *ret = (IDispatch*)&regexp->IRegExp2_iface;
1826     return S_OK;
1827 }
1828
1829 HRESULT WINAPI VBScriptRegExpFactory_CreateInstance(IClassFactory *iface, IUnknown *pUnkOuter, REFIID riid, void **ppv)
1830 {
1831     IDispatch *regexp;
1832     HRESULT hres;
1833
1834     TRACE("(%p %s %p)\n", pUnkOuter, debugstr_guid(riid), ppv);
1835
1836     hres = create_regexp(&regexp);
1837     if(FAILED(hres))
1838         return hres;
1839
1840     hres = IDispatch_QueryInterface(regexp, riid, ppv);
1841     IDispatch_Release(regexp);
1842     return hres;
1843 }
1844
1845 void release_regexp_typelib(void)
1846 {
1847     DWORD i;
1848
1849     for(i=0; i<REGEXP_LAST_tid; i++) {
1850         if(typeinfos[i])
1851             ITypeInfo_Release(typeinfos[i]);
1852     }
1853     if(typelib)
1854         ITypeLib_Release(typelib);
1855 }