dlls/jscript/global.c

   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 "config.h"
  20 #include "wine/port.h"
  21
  22 #include <math.h>
  23
  24 #include "jscript.h"
  25 #include "engine.h"
  26
  27 #include "wine/debug.h"
  28
  29 WINE_DEFAULT_DEBUG_CHANNEL(jscript);
  30
  31 static const WCHAR NaNW[] = {'N','a','N',0};
  32 static const WCHAR InfinityW[] = {'I','n','f','i','n','i','t','y',0};
  33 static const WCHAR ArrayW[] = {'A','r','r','a','y',0};
  34 static const WCHAR BooleanW[] = {'B','o','o','l','e','a','n',0};
  35 static const WCHAR DateW[] = {'D','a','t','e',0};
  36 static const WCHAR FunctionW[] = {'F','u','n','c','t','i','o','n',0};
  37 static const WCHAR NumberW[] = {'N','u','m','b','e','r',0};
  38 static const WCHAR ObjectW[] = {'O','b','j','e','c','t',0};
  39 static const WCHAR StringW[] = {'S','t','r','i','n','g',0};
  40 static const WCHAR RegExpW[] = {'R','e','g','E','x','p',0};
  41 static const WCHAR ActiveXObjectW[] = {'A','c','t','i','v','e','X','O','b','j','e','c','t',0};
  42 static const WCHAR VBArrayW[] = {'V','B','A','r','r','a','y',0};
  43 static const WCHAR EnumeratorW[] = {'E','n','u','m','e','r','a','t','o','r',0};
  44 static const WCHAR escapeW[] = {'e','s','c','a','p','e',0};
  45 static const WCHAR evalW[] = {'e','v','a','l',0};
  46 static const WCHAR isNaNW[] = {'i','s','N','a','N',0};
  47 static const WCHAR isFiniteW[] = {'i','s','F','i','n','i','t','e',0};
  48 static const WCHAR parseIntW[] = {'p','a','r','s','e','I','n','t',0};
  49 static const WCHAR parseFloatW[] = {'p','a','r','s','e','F','l','o','a','t',0};
  50 static const WCHAR unescapeW[] = {'u','n','e','s','c','a','p','e',0};
  51 static const WCHAR _GetObjectW[] = {'G','e','t','O','b','j','e','c','t',0};
  52 static const WCHAR ScriptEngineW[] = {'S','c','r','i','p','t','E','n','g','i','n','e',0};
  53 static const WCHAR ScriptEngineMajorVersionW[] =
  54     {'S','c','r','i','p','t','E','n','g','i','n','e','M','a','j','o','r','V','e','r','s','i','o','n',0};
  55 static const WCHAR ScriptEngineMinorVersionW[] =
  56     {'S','c','r','i','p','t','E','n','g','i','n','e','M','i','n','o','r','V','e','r','s','i','o','n',0};
  57 static const WCHAR ScriptEngineBuildVersionW[] =
  58     {'S','c','r','i','p','t','E','n','g','i','n','e','B','u','i','l','d','V','e','r','s','i','o','n',0};
  59 static const WCHAR CollectGarbageW[] = {'C','o','l','l','e','c','t','G','a','r','b','a','g','e',0};
  60 static const WCHAR MathW[] = {'M','a','t','h',0};
  61 static const WCHAR encodeURIW[] = {'e','n','c','o','d','e','U','R','I',0};
  62
  63 static const WCHAR undefinedW[] = {'u','n','d','e','f','i','n','e','d',0};
  64
  65 static int uri_char_table[] = {
  66     0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 00-0f */
  67     0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 10-1f */
  68     0,2,0,0,1,0,1,2,2,2,2,1,1,2,2,1, /* 20-2f */
  69     2,2,2,2,2,2,2,2,2,2,1,1,0,1,0,1, /* 30-3f */
  70     1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* 40-4f */
  71     2,2,2,2,2,2,2,2,2,2,2,0,0,0,0,2, /* 50-5f */
  72     0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* 60-6f */
  73     2,2,2,2,2,2,2,2,2,2,2,0,0,0,2,0, /* 70-7f */
  74 };
  75
  76 /* 1 - reserved */
  77 /* 2 - unescaped */
  78
  79 static inline BOOL is_uri_reserved(WCHAR c)
  80 {
  81     return c < 128 && uri_char_table[c] == 1;
  82 }
  83
  84 static inline BOOL is_uri_unescaped(WCHAR c)
  85 {
  86     return c < 128 && uri_char_table[c] == 2;
  87 }
  88
  89 static WCHAR int_to_char(int i)
  90 {
  91     if(i < 10)
  92         return '0'+i;
  93     return 'A'+i-10;
  94 }
  95
  96 static HRESULT constructor_call(DispatchEx *constr, LCID lcid, WORD flags, DISPPARAMS *dp,
  97         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
  98 {
  99     if(flags != DISPATCH_PROPERTYGET)
 100         return jsdisp_call_value(constr, lcid, flags, dp, retv, ei, sp);
 101
 102     V_VT(retv) = VT_DISPATCH;
 103     V_DISPATCH(retv) = (IDispatch*)_IDispatchEx_(constr);
 104     IDispatchEx_AddRef(_IDispatchEx_(constr));
 105     return S_OK;
 106 }
 107
 108 static HRESULT JSGlobal_NaN(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 109         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 110 {
 111     TRACE("\n");
 112
 113     switch(flags) {
 114     case DISPATCH_PROPERTYGET:
 115         num_set_nan(retv);
 116         break;
 117
 118     default:
 119         FIXME("unimplemented flags %x\n", flags);
 120         return E_NOTIMPL;
 121     }
 122
 123     return S_OK;
 124 }
 125
 126 static HRESULT JSGlobal_Infinity(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 127         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 128 {
 129     TRACE("\n");
 130
 131     switch(flags) {
 132     case DISPATCH_PROPERTYGET:
 133         num_set_inf(retv, TRUE);
 134         break;
 135
 136     default:
 137         FIXME("unimplemented flags %x\n", flags);
 138         return E_NOTIMPL;
 139     }
 140
 141     return S_OK;
 142 }
 143
 144 static HRESULT JSGlobal_Array(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 145         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 146 {
 147     TRACE("\n");
 148
 149     return constructor_call(dispex->ctx->array_constr, lcid, flags, dp, retv, ei, sp);
 150 }
 151
 152 static HRESULT JSGlobal_Boolean(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 153         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 154 {
 155     TRACE("\n");
 156
 157     return constructor_call(dispex->ctx->bool_constr, lcid, flags, dp, retv, ei, sp);
 158 }
 159
 160 static HRESULT JSGlobal_Date(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 161         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 162 {
 163     TRACE("\n");
 164
 165     return constructor_call(dispex->ctx->date_constr, lcid, flags, dp, retv, ei, sp);
 166 }
 167
 168 static HRESULT JSGlobal_Function(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 169         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 170 {
 171     TRACE("\n");
 172
 173     return constructor_call(dispex->ctx->function_constr, lcid, flags, dp, retv, ei, sp);
 174 }
 175
 176 static HRESULT JSGlobal_Number(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 177         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 178 {
 179     TRACE("\n");
 180
 181     return constructor_call(dispex->ctx->number_constr, lcid, flags, dp, retv, ei, sp);
 182 }
 183
 184 static HRESULT JSGlobal_Object(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 185         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 186 {
 187     TRACE("\n");
 188
 189     return constructor_call(dispex->ctx->object_constr, lcid, flags, dp, retv, ei, sp);
 190 }
 191
 192 static HRESULT JSGlobal_String(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 193         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 194 {
 195     TRACE("\n");
 196
 197     return constructor_call(dispex->ctx->string_constr, lcid, flags, dp, retv, ei, sp);
 198 }
 199
 200 static HRESULT JSGlobal_RegExp(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 201         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 202 {
 203     TRACE("\n");
 204
 205     return constructor_call(dispex->ctx->regexp_constr, lcid, flags, dp, retv, ei, sp);
 206 }
 207
 208 static HRESULT JSGlobal_ActiveXObject(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 209         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 210 {
 211     FIXME("\n");
 212     return E_NOTIMPL;
 213 }
 214
 215 static HRESULT JSGlobal_VBArray(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 216         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 217 {
 218     FIXME("\n");
 219     return E_NOTIMPL;
 220 }
 221
 222 static HRESULT JSGlobal_Enumerator(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 223         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 224 {
 225     FIXME("\n");
 226     return E_NOTIMPL;
 227 }
 228
 229 static HRESULT JSGlobal_escape(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 230         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 231 {
 232     FIXME("\n");
 233     return E_NOTIMPL;
 234 }
 235
 236 /* ECMA-262 3rd Edition    15.1.2.1 */
 237 static HRESULT JSGlobal_eval(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 238         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 239 {
 240     parser_ctx_t *parser_ctx;
 241     VARIANT *arg;
 242     HRESULT hres;
 243
 244     TRACE("\n");
 245
 246     if(!arg_cnt(dp)) {
 247         if(retv)
 248             V_VT(retv) = VT_EMPTY;
 249         return S_OK;
 250     }
 251
 252     arg = get_arg(dp, 0);
 253     if(V_VT(arg) != VT_BSTR) {
 254         if(retv) {
 255             V_VT(retv) = VT_EMPTY;
 256             return VariantCopy(retv, arg);
 257         }
 258         return S_OK;
 259     }
 260
 261     if(!dispex->ctx->exec_ctx) {
 262         FIXME("No active exec_ctx\n");
 263         return E_UNEXPECTED;
 264     }
 265
 266     TRACE("parsing %s\n", debugstr_w(V_BSTR(arg)));
 267     hres = script_parse(dispex->ctx, V_BSTR(arg), NULL, &parser_ctx);
 268     if(FAILED(hres)) {
 269         WARN("parse (%s) failed: %08x\n", debugstr_w(V_BSTR(arg)), hres);
 270         return hres;
 271     }
 272
 273     hres = exec_source(dispex->ctx->exec_ctx, parser_ctx, parser_ctx->source, ei, retv);
 274     parser_release(parser_ctx);
 275
 276     return hres;
 277 }
 278
 279 static HRESULT JSGlobal_isNaN(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 280         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 281 {
 282     VARIANT_BOOL ret = VARIANT_FALSE;
 283     VARIANT num;
 284     HRESULT hres;
 285
 286     TRACE("\n");
 287
 288     if(arg_cnt(dp)) {
 289         hres = to_number(dispex->ctx, get_arg(dp,0), ei, &num);
 290         if(FAILED(hres))
 291             return hres;
 292
 293         if(V_VT(&num) == VT_R8 && isnan(V_R8(&num)))
 294             ret = VARIANT_TRUE;
 295     }else {
 296         ret = VARIANT_TRUE;
 297     }
 298
 299     if(retv) {
 300         V_VT(retv) = VT_BOOL;
 301         V_BOOL(retv) = ret;
 302     }
 303     return S_OK;
 304 }
 305
 306 static HRESULT JSGlobal_isFinite(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 307         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 308 {
 309     VARIANT_BOOL ret = VARIANT_FALSE;
 310     HRESULT hres;
 311
 312     TRACE("\n");
 313
 314     if(arg_cnt(dp)) {
 315         VARIANT num;
 316
 317         hres = to_number(dispex->ctx, get_arg(dp,0), ei, &num);
 318         if(FAILED(hres))
 319             return hres;
 320
 321         if(V_VT(&num) != VT_R8 || (!isinf(V_R8(&num)) && !isnan(V_R8(&num))))
 322             ret = VARIANT_TRUE;
 323     }
 324
 325     if(retv) {
 326         V_VT(retv) = VT_BOOL;
 327         V_BOOL(retv) = ret;
 328     }
 329     return S_OK;
 330 }
 331
 332 static INT char_to_int(WCHAR c)
 333 {
 334     if('0' <= c && c <= '9')
 335         return c - '0';
 336     if('a' <= c && c <= 'z')
 337         return c - 'a' + 10;
 338     if('A' <= c && c <= 'Z')
 339         return c - 'A' + 10;
 340     return 100;
 341 }
 342
 343 static HRESULT JSGlobal_parseInt(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 344         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 345 {
 346     DOUBLE ret = 0.0;
 347     INT radix=10, i;
 348     WCHAR *ptr;
 349     BOOL neg = FALSE;
 350     BSTR str;
 351     HRESULT hres;
 352
 353     if(!arg_cnt(dp)) {
 354         if(retv) num_set_nan(retv);
 355         return S_OK;
 356     }
 357
 358     if(arg_cnt(dp) >= 2) {
 359         hres = to_int32(dispex->ctx, get_arg(dp, 1), ei, &radix);
 360         if(FAILED(hres))
 361             return hres;
 362
 363         if(!radix) {
 364             radix = 10;
 365         }else if(radix < 2 || radix > 36) {
 366             WARN("radix %d out of range\n", radix);
 367             return E_FAIL;
 368         }
 369     }
 370
 371     hres = to_string(dispex->ctx, get_arg(dp, 0), ei, &str);
 372     if(FAILED(hres))
 373         return hres;
 374
 375     for(ptr = str; isspaceW(*ptr); ptr++);
 376
 377     switch(*ptr) {
 378     case '+':
 379         ptr++;
 380         break;
 381     case '-':
 382         neg = TRUE;
 383         ptr++;
 384         break;
 385     case '0':
 386         ptr++;
 387         if(*ptr == 'x' || *ptr == 'X') {
 388             radix = 16;
 389             ptr++;
 390         }
 391     }
 392
 393     while(*ptr) {
 394         i = char_to_int(*ptr++);
 395         if(i > radix)
 396             break;
 397
 398         ret = ret*radix + i;
 399     }
 400
 401     SysFreeString(str);
 402
 403     if(neg)
 404         ret = -ret;
 405
 406     if(retv)
 407         num_set_val(retv, ret);
 408     return S_OK;
 409 }
 410
 411 static HRESULT JSGlobal_parseFloat(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 412         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 413 {
 414     FIXME("\n");
 415     return E_NOTIMPL;
 416 }
 417
 418 static HRESULT JSGlobal_unescape(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 419         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 420 {
 421     FIXME("\n");
 422     return E_NOTIMPL;
 423 }
 424
 425 static HRESULT JSGlobal_GetObject(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 426         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 427 {
 428     FIXME("\n");
 429     return E_NOTIMPL;
 430 }
 431
 432 static HRESULT JSGlobal_ScriptEngine(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 433         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 434 {
 435     FIXME("\n");
 436     return E_NOTIMPL;
 437 }
 438
 439 static HRESULT JSGlobal_ScriptEngineMajorVersion(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 440         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 441 {
 442     FIXME("\n");
 443     return E_NOTIMPL;
 444 }
 445
 446 static HRESULT JSGlobal_ScriptEngineMinorVersion(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 447         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 448 {
 449     FIXME("\n");
 450     return E_NOTIMPL;
 451 }
 452
 453 static HRESULT JSGlobal_ScriptEngineBuildVersion(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 454         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 455 {
 456     FIXME("\n");
 457     return E_NOTIMPL;
 458 }
 459
 460 static HRESULT JSGlobal_CollectGarbage(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 461         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 462 {
 463     FIXME("\n");
 464     return E_NOTIMPL;
 465 }
 466
 467 static HRESULT JSGlobal_encodeURI(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 468         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 469 {
 470     const WCHAR *ptr;
 471     DWORD len = 0, i;
 472     char buf[4];
 473     BSTR str, ret;
 474     WCHAR *rptr;
 475     HRESULT hres;
 476
 477     TRACE("\n");
 478
 479     if(!arg_cnt(dp)) {
 480         if(retv) {
 481             ret = SysAllocString(undefinedW);
 482             if(!ret)
 483                 return E_OUTOFMEMORY;
 484
 485             V_VT(retv) = VT_BSTR;
 486             V_BSTR(retv) = ret;
 487         }
 488
 489         return S_OK;
 490     }
 491
 492     hres = to_string(dispex->ctx, get_arg(dp,0), ei, &str);
 493     if(FAILED(hres))
 494         return hres;
 495
 496     for(ptr = str; *ptr; ptr++) {
 497         if(is_uri_unescaped(*ptr) || is_uri_reserved(*ptr) || *ptr == '#') {
 498             len++;
 499         }else {
 500             i = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, NULL, 0, NULL, NULL)*3;
 501             if(!i) {
 502                 FIXME("throw URIError\n");
 503                 return E_FAIL;
 504             }
 505
 506             len += i;
 507         }
 508     }
 509
 510     rptr = ret = SysAllocStringLen(NULL, len);
 511     if(!ret)
 512         return E_OUTOFMEMORY;
 513
 514     for(ptr = str; *ptr; ptr++) {
 515         if(is_uri_unescaped(*ptr) || is_uri_reserved(*ptr) || *ptr == '#') {
 516             *rptr++ = *ptr;
 517         }else {
 518             len = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, buf, sizeof(buf), NULL, NULL);
 519             for(i=0; i<len; i++) {
 520                 *rptr++ = '%';
 521                 *rptr++ = int_to_char((BYTE)buf[i] >> 4);
 522                 *rptr++ = int_to_char(buf[i] & 0x0f);
 523             }
 524         }
 525     }
 526
 527     TRACE("%s -> %s\n", debugstr_w(str), debugstr_w(ret));
 528     if(retv) {
 529         V_VT(retv) = VT_BSTR;
 530         V_BSTR(retv) = ret;
 531     }else {
 532         SysFreeString(ret);
 533     }
 534     return S_OK;
 535 }
 536
 537 static const builtin_prop_t JSGlobal_props[] = {
 538     {ActiveXObjectW,             JSGlobal_ActiveXObject,             PROPF_METHOD},
 539     {ArrayW,                     JSGlobal_Array,                     PROPF_CONSTR},
 540     {BooleanW,                   JSGlobal_Boolean,                   PROPF_CONSTR},
 541     {CollectGarbageW,            JSGlobal_CollectGarbage,            PROPF_METHOD},
 542     {DateW,                      JSGlobal_Date,                      PROPF_CONSTR},
 543     {EnumeratorW,                JSGlobal_Enumerator,                PROPF_METHOD},
 544     {FunctionW,                  JSGlobal_Function,                  PROPF_CONSTR},
 545     {_GetObjectW,                JSGlobal_GetObject,                 PROPF_METHOD},
 546     {InfinityW,                  JSGlobal_Infinity,                  0},
 547 /*  {MathW,                      JSGlobal_Math,                      0},  */
 548     {NaNW,                       JSGlobal_NaN,                       0},
 549     {NumberW,                    JSGlobal_Number,                    PROPF_CONSTR},
 550     {ObjectW,                    JSGlobal_Object,                    PROPF_CONSTR},
 551     {RegExpW,                    JSGlobal_RegExp,                    PROPF_CONSTR},
 552     {ScriptEngineW,              JSGlobal_ScriptEngine,              PROPF_METHOD},
 553     {ScriptEngineBuildVersionW,  JSGlobal_ScriptEngineBuildVersion,  PROPF_METHOD},
 554     {ScriptEngineMajorVersionW,  JSGlobal_ScriptEngineMajorVersion,  PROPF_METHOD},
 555     {ScriptEngineMinorVersionW,  JSGlobal_ScriptEngineMinorVersion,  PROPF_METHOD},
 556     {StringW,                    JSGlobal_String,                    PROPF_CONSTR},
 557     {VBArrayW,                   JSGlobal_VBArray,                   PROPF_METHOD},
 558     {encodeURIW,                 JSGlobal_encodeURI,                 PROPF_METHOD},
 559     {escapeW,                    JSGlobal_escape,                    PROPF_METHOD},
 560     {evalW,                      JSGlobal_eval,                      PROPF_METHOD|1},
 561     {isFiniteW,                  JSGlobal_isFinite,                  PROPF_METHOD},
 562     {isNaNW,                     JSGlobal_isNaN,                     PROPF_METHOD},
 563     {parseFloatW,                JSGlobal_parseFloat,                PROPF_METHOD},
 564     {parseIntW,                  JSGlobal_parseInt,                  PROPF_METHOD|2},
 565     {unescapeW,                  JSGlobal_unescape,                  PROPF_METHOD}
 566 };
 567
 568 static const builtin_info_t JSGlobal_info = {
 569     JSCLASS_GLOBAL,
 570     {NULL, NULL, 0},
 571     sizeof(JSGlobal_props)/sizeof(*JSGlobal_props),
 572     JSGlobal_props,
 573     NULL,
 574     NULL
 575 };
 576
 577 static HRESULT init_constructors(script_ctx_t *ctx)
 578 {
 579     HRESULT hres;
 580
 581     hres = init_function_constr(ctx);
 582     if(FAILED(hres))
 583         return hres;
 584
 585     hres = create_array_constr(ctx, &ctx->array_constr);
 586     if(FAILED(hres))
 587         return hres;
 588
 589     hres = create_bool_constr(ctx, &ctx->bool_constr);
 590     if(FAILED(hres))
 591         return hres;
 592
 593     hres = create_date_constr(ctx, &ctx->date_constr);
 594     if(FAILED(hres))
 595         return hres;
 596
 597     hres = create_number_constr(ctx, &ctx->number_constr);
 598     if(FAILED(hres))
 599         return hres;
 600
 601     hres = create_object_constr(ctx, &ctx->object_constr);
 602     if(FAILED(hres))
 603         return hres;
 604
 605     hres = create_regexp_constr(ctx, &ctx->regexp_constr);
 606     if(FAILED(hres))
 607         return hres;
 608
 609     hres = create_string_constr(ctx, &ctx->string_constr);
 610     if(FAILED(hres))
 611         return hres;
 612
 613     return S_OK;
 614 }
 615
 616 HRESULT init_global(script_ctx_t *ctx)
 617 {
 618     DispatchEx *math;
 619     VARIANT var;
 620     HRESULT hres;
 621
 622     if(ctx->global)
 623         return S_OK;
 624
 625     hres = init_constructors(ctx);
 626     if(FAILED(hres))
 627         return hres;
 628
 629     hres = create_dispex(ctx, &JSGlobal_info, NULL, &ctx->global);
 630     if(FAILED(hres))
 631         return hres;
 632
 633     hres = create_math(ctx, &math);
 634     if(FAILED(hres))
 635         return hres;
 636
 637     V_VT(&var) = VT_DISPATCH;
 638     V_DISPATCH(&var) = (IDispatch*)_IDispatchEx_(math);
 639     hres = jsdisp_propput_name(ctx->global, MathW, ctx->lcid, &var, NULL/*FIXME*/, NULL/*FIXME*/);
 640     jsdisp_release(math);
 641
 642     return hres;
 643 }