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 ErrorW[] = {'E','r','r','o','r',0};
  37 static const WCHAR EvalErrorW[] = {'E','v','a','l','E','r','r','o','r',0};
  38 static const WCHAR RangeErrorW[] = {'R','a','n','g','e','E','r','r','o','r',0};
  39 static const WCHAR ReferenceErrorW[] = {'R','e','f','e','r','e','n','c','e','E','r','r','o','r',0};
  40 static const WCHAR SyntaxErrorW[] = {'S','y','n','t','a','x','E','r','r','o','r',0};
  41 static const WCHAR TypeErrorW[] = {'T','y','p','e','E','r','r','o','r',0};
  42 static const WCHAR URIErrorW[] = {'U','R','I','E','r','r','o','r',0};
  43 static const WCHAR FunctionW[] = {'F','u','n','c','t','i','o','n',0};
  44 static const WCHAR NumberW[] = {'N','u','m','b','e','r',0};
  45 static const WCHAR ObjectW[] = {'O','b','j','e','c','t',0};
  46 static const WCHAR StringW[] = {'S','t','r','i','n','g',0};
  47 static const WCHAR RegExpW[] = {'R','e','g','E','x','p',0};
  48 static const WCHAR ActiveXObjectW[] = {'A','c','t','i','v','e','X','O','b','j','e','c','t',0};
  49 static const WCHAR VBArrayW[] = {'V','B','A','r','r','a','y',0};
  50 static const WCHAR EnumeratorW[] = {'E','n','u','m','e','r','a','t','o','r',0};
  51 static const WCHAR escapeW[] = {'e','s','c','a','p','e',0};
  52 static const WCHAR evalW[] = {'e','v','a','l',0};
  53 static const WCHAR isNaNW[] = {'i','s','N','a','N',0};
  54 static const WCHAR isFiniteW[] = {'i','s','F','i','n','i','t','e',0};
  55 static const WCHAR parseIntW[] = {'p','a','r','s','e','I','n','t',0};
  56 static const WCHAR parseFloatW[] = {'p','a','r','s','e','F','l','o','a','t',0};
  57 static const WCHAR unescapeW[] = {'u','n','e','s','c','a','p','e',0};
  58 static const WCHAR _GetObjectW[] = {'G','e','t','O','b','j','e','c','t',0};
  59 static const WCHAR ScriptEngineW[] = {'S','c','r','i','p','t','E','n','g','i','n','e',0};
  60 static const WCHAR ScriptEngineMajorVersionW[] =
  61     {'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};
  62 static const WCHAR ScriptEngineMinorVersionW[] =
  63     {'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};
  64 static const WCHAR ScriptEngineBuildVersionW[] =
  65     {'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};
  66 static const WCHAR CollectGarbageW[] = {'C','o','l','l','e','c','t','G','a','r','b','a','g','e',0};
  67 static const WCHAR MathW[] = {'M','a','t','h',0};
  68 static const WCHAR encodeURIW[] = {'e','n','c','o','d','e','U','R','I',0};
  69
  70 static const WCHAR undefinedW[] = {'u','n','d','e','f','i','n','e','d',0};
  71
  72 static int uri_char_table[] = {
  73     0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 00-0f */
  74     0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 10-1f */
  75     0,2,0,0,1,0,1,2,2,2,2,1,1,2,2,1, /* 20-2f */
  76     2,2,2,2,2,2,2,2,2,2,1,1,0,1,0,1, /* 30-3f */
  77     1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* 40-4f */
  78     2,2,2,2,2,2,2,2,2,2,2,0,0,0,0,2, /* 50-5f */
  79     0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* 60-6f */
  80     2,2,2,2,2,2,2,2,2,2,2,0,0,0,2,0, /* 70-7f */
  81 };
  82
  83 /* 1 - reserved */
  84 /* 2 - unescaped */
  85
  86 static inline BOOL is_uri_reserved(WCHAR c)
  87 {
  88     return c < 128 && uri_char_table[c] == 1;
  89 }
  90
  91 static inline BOOL is_uri_unescaped(WCHAR c)
  92 {
  93     return c < 128 && uri_char_table[c] == 2;
  94 }
  95
  96 static WCHAR int_to_char(int i)
  97 {
  98     if(i < 10)
  99         return '0'+i;
 100     return 'A'+i-10;
 101 }
 102
 103 static HRESULT constructor_call(DispatchEx *constr, LCID lcid, WORD flags, DISPPARAMS *dp,
 104         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 105 {
 106     if(flags != DISPATCH_PROPERTYGET)
 107         return jsdisp_call_value(constr, lcid, flags, dp, retv, ei, sp);
 108
 109     V_VT(retv) = VT_DISPATCH;
 110     V_DISPATCH(retv) = (IDispatch*)_IDispatchEx_(constr);
 111     IDispatchEx_AddRef(_IDispatchEx_(constr));
 112     return S_OK;
 113 }
 114
 115 static HRESULT JSGlobal_NaN(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 116         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 117 {
 118     TRACE("\n");
 119
 120     switch(flags) {
 121     case DISPATCH_PROPERTYGET:
 122         num_set_nan(retv);
 123         break;
 124
 125     default:
 126         FIXME("unimplemented flags %x\n", flags);
 127         return E_NOTIMPL;
 128     }
 129
 130     return S_OK;
 131 }
 132
 133 static HRESULT JSGlobal_Infinity(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 134         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 135 {
 136     TRACE("\n");
 137
 138     switch(flags) {
 139     case DISPATCH_PROPERTYGET:
 140         num_set_inf(retv, TRUE);
 141         break;
 142
 143     default:
 144         FIXME("unimplemented flags %x\n", flags);
 145         return E_NOTIMPL;
 146     }
 147
 148     return S_OK;
 149 }
 150
 151 static HRESULT JSGlobal_Array(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 152         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 153 {
 154     TRACE("\n");
 155
 156     return constructor_call(dispex->ctx->array_constr, lcid, flags, dp, retv, ei, sp);
 157 }
 158
 159 static HRESULT JSGlobal_Boolean(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 160         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 161 {
 162     TRACE("\n");
 163
 164     return constructor_call(dispex->ctx->bool_constr, lcid, flags, dp, retv, ei, sp);
 165 }
 166
 167 static HRESULT JSGlobal_Date(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 168         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 169 {
 170     TRACE("\n");
 171
 172     return constructor_call(dispex->ctx->date_constr, lcid, flags, dp, retv, ei, sp);
 173 }
 174
 175 static HRESULT JSGlobal_Error(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 176         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 177 {
 178     TRACE("\n");
 179
 180     return constructor_call(dispex->ctx->error_constr, lcid, flags, dp, retv, ei, sp);
 181 }
 182
 183 static HRESULT JSGlobal_EvalError(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 184         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 185 {
 186     TRACE("\n");
 187
 188     return constructor_call(dispex->ctx->eval_error_constr, lcid, flags, dp, retv, ei, sp);
 189 }
 190
 191 static HRESULT JSGlobal_RangeError(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 192         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 193 {
 194     TRACE("\n");
 195
 196     return constructor_call(dispex->ctx->range_error_constr, lcid, flags, dp, retv, ei, sp);
 197 }
 198
 199 static HRESULT JSGlobal_ReferenceError(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 200         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 201 {
 202     TRACE("\n");
 203
 204     return constructor_call(dispex->ctx->reference_error_constr, lcid, flags, dp, retv, ei, sp);
 205 }
 206
 207 static HRESULT JSGlobal_SyntaxError(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 208         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 209 {
 210     TRACE("\n");
 211
 212     return constructor_call(dispex->ctx->syntax_error_constr, lcid, flags, dp, retv, ei, sp);
 213 }
 214
 215 static HRESULT JSGlobal_TypeError(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 216         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 217 {
 218     TRACE("\n");
 219
 220     return constructor_call(dispex->ctx->type_error_constr, lcid, flags, dp, retv, ei, sp);
 221 }
 222
 223 static HRESULT JSGlobal_URIError(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 224         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 225 {
 226     TRACE("\n");
 227
 228     return constructor_call(dispex->ctx->uri_error_constr, lcid, flags, dp, retv, ei, sp);
 229 }
 230
 231 static HRESULT JSGlobal_Function(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 232         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 233 {
 234     TRACE("\n");
 235
 236     return constructor_call(dispex->ctx->function_constr, lcid, flags, dp, retv, ei, sp);
 237 }
 238
 239 static HRESULT JSGlobal_Number(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 240         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 241 {
 242     TRACE("\n");
 243
 244     return constructor_call(dispex->ctx->number_constr, lcid, flags, dp, retv, ei, sp);
 245 }
 246
 247 static HRESULT JSGlobal_Object(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 248         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 249 {
 250     TRACE("\n");
 251
 252     return constructor_call(dispex->ctx->object_constr, lcid, flags, dp, retv, ei, sp);
 253 }
 254
 255 static HRESULT JSGlobal_String(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 256         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 257 {
 258     TRACE("\n");
 259
 260     return constructor_call(dispex->ctx->string_constr, lcid, flags, dp, retv, ei, sp);
 261 }
 262
 263 static HRESULT JSGlobal_RegExp(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 264         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 265 {
 266     TRACE("\n");
 267
 268     return constructor_call(dispex->ctx->regexp_constr, lcid, flags, dp, retv, ei, sp);
 269 }
 270
 271 static HRESULT JSGlobal_ActiveXObject(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 272         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 273 {
 274     FIXME("\n");
 275     return E_NOTIMPL;
 276 }
 277
 278 static HRESULT JSGlobal_VBArray(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 279         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 280 {
 281     FIXME("\n");
 282     return E_NOTIMPL;
 283 }
 284
 285 static HRESULT JSGlobal_Enumerator(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 286         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 287 {
 288     FIXME("\n");
 289     return E_NOTIMPL;
 290 }
 291
 292 static HRESULT JSGlobal_escape(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 293         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 294 {
 295     FIXME("\n");
 296     return E_NOTIMPL;
 297 }
 298
 299 /* ECMA-262 3rd Edition    15.1.2.1 */
 300 static HRESULT JSGlobal_eval(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 301         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 302 {
 303     parser_ctx_t *parser_ctx;
 304     VARIANT *arg;
 305     HRESULT hres;
 306
 307     TRACE("\n");
 308
 309     if(!arg_cnt(dp)) {
 310         if(retv)
 311             V_VT(retv) = VT_EMPTY;
 312         return S_OK;
 313     }
 314
 315     arg = get_arg(dp, 0);
 316     if(V_VT(arg) != VT_BSTR) {
 317         if(retv) {
 318             V_VT(retv) = VT_EMPTY;
 319             return VariantCopy(retv, arg);
 320         }
 321         return S_OK;
 322     }
 323
 324     if(!dispex->ctx->exec_ctx) {
 325         FIXME("No active exec_ctx\n");
 326         return E_UNEXPECTED;
 327     }
 328
 329     TRACE("parsing %s\n", debugstr_w(V_BSTR(arg)));
 330     hres = script_parse(dispex->ctx, V_BSTR(arg), NULL, &parser_ctx);
 331     if(FAILED(hres)) {
 332         WARN("parse (%s) failed: %08x\n", debugstr_w(V_BSTR(arg)), hres);
 333         return throw_syntax_error(dispex->ctx, ei, hres, NULL);
 334     }
 335
 336     hres = exec_source(dispex->ctx->exec_ctx, parser_ctx, parser_ctx->source, ei, retv);
 337     parser_release(parser_ctx);
 338
 339     return hres;
 340 }
 341
 342 static HRESULT JSGlobal_isNaN(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 343         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 344 {
 345     VARIANT_BOOL ret = VARIANT_FALSE;
 346     VARIANT num;
 347     HRESULT hres;
 348
 349     TRACE("\n");
 350
 351     if(arg_cnt(dp)) {
 352         hres = to_number(dispex->ctx, get_arg(dp,0), ei, &num);
 353         if(FAILED(hres))
 354             return hres;
 355
 356         if(V_VT(&num) == VT_R8 && isnan(V_R8(&num)))
 357             ret = VARIANT_TRUE;
 358     }else {
 359         ret = VARIANT_TRUE;
 360     }
 361
 362     if(retv) {
 363         V_VT(retv) = VT_BOOL;
 364         V_BOOL(retv) = ret;
 365     }
 366     return S_OK;
 367 }
 368
 369 static HRESULT JSGlobal_isFinite(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 370         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 371 {
 372     VARIANT_BOOL ret = VARIANT_FALSE;
 373     HRESULT hres;
 374
 375     TRACE("\n");
 376
 377     if(arg_cnt(dp)) {
 378         VARIANT num;
 379
 380         hres = to_number(dispex->ctx, get_arg(dp,0), ei, &num);
 381         if(FAILED(hres))
 382             return hres;
 383
 384         if(V_VT(&num) != VT_R8 || (!isinf(V_R8(&num)) && !isnan(V_R8(&num))))
 385             ret = VARIANT_TRUE;
 386     }
 387
 388     if(retv) {
 389         V_VT(retv) = VT_BOOL;
 390         V_BOOL(retv) = ret;
 391     }
 392     return S_OK;
 393 }
 394
 395 static INT char_to_int(WCHAR c)
 396 {
 397     if('0' <= c && c <= '9')
 398         return c - '0';
 399     if('a' <= c && c <= 'z')
 400         return c - 'a' + 10;
 401     if('A' <= c && c <= 'Z')
 402         return c - 'A' + 10;
 403     return 100;
 404 }
 405
 406 static HRESULT JSGlobal_parseInt(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 407         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 408 {
 409     DOUBLE ret = 0.0;
 410     INT radix=10, i;
 411     WCHAR *ptr;
 412     BOOL neg = FALSE;
 413     BSTR str;
 414     HRESULT hres;
 415
 416     if(!arg_cnt(dp)) {
 417         if(retv) num_set_nan(retv);
 418         return S_OK;
 419     }
 420
 421     if(arg_cnt(dp) >= 2) {
 422         hres = to_int32(dispex->ctx, get_arg(dp, 1), ei, &radix);
 423         if(FAILED(hres))
 424             return hres;
 425
 426         if(!radix) {
 427             radix = 10;
 428         }else if(radix < 2 || radix > 36) {
 429             WARN("radix %d out of range\n", radix);
 430             return E_FAIL;
 431         }
 432     }
 433
 434     hres = to_string(dispex->ctx, get_arg(dp, 0), ei, &str);
 435     if(FAILED(hres))
 436         return hres;
 437
 438     for(ptr = str; isspaceW(*ptr); ptr++);
 439
 440     switch(*ptr) {
 441     case '+':
 442         ptr++;
 443         break;
 444     case '-':
 445         neg = TRUE;
 446         ptr++;
 447         break;
 448     case '0':
 449         ptr++;
 450         if(*ptr == 'x' || *ptr == 'X') {
 451             radix = 16;
 452             ptr++;
 453         }
 454     }
 455
 456     while(*ptr) {
 457         i = char_to_int(*ptr++);
 458         if(i > radix)
 459             break;
 460
 461         ret = ret*radix + i;
 462     }
 463
 464     SysFreeString(str);
 465
 466     if(neg)
 467         ret = -ret;
 468
 469     if(retv)
 470         num_set_val(retv, ret);
 471     return S_OK;
 472 }
 473
 474 static HRESULT JSGlobal_parseFloat(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 475         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 476 {
 477     FIXME("\n");
 478     return E_NOTIMPL;
 479 }
 480
 481 static HRESULT JSGlobal_unescape(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 482         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 483 {
 484     FIXME("\n");
 485     return E_NOTIMPL;
 486 }
 487
 488 static HRESULT JSGlobal_GetObject(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 489         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 490 {
 491     FIXME("\n");
 492     return E_NOTIMPL;
 493 }
 494
 495 static HRESULT JSGlobal_ScriptEngine(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 496         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 497 {
 498     FIXME("\n");
 499     return E_NOTIMPL;
 500 }
 501
 502 static HRESULT JSGlobal_ScriptEngineMajorVersion(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 503         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 504 {
 505     FIXME("\n");
 506     return E_NOTIMPL;
 507 }
 508
 509 static HRESULT JSGlobal_ScriptEngineMinorVersion(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 510         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 511 {
 512     FIXME("\n");
 513     return E_NOTIMPL;
 514 }
 515
 516 static HRESULT JSGlobal_ScriptEngineBuildVersion(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 517         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 518 {
 519     FIXME("\n");
 520     return E_NOTIMPL;
 521 }
 522
 523 static HRESULT JSGlobal_CollectGarbage(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 524         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 525 {
 526     FIXME("\n");
 527     return E_NOTIMPL;
 528 }
 529
 530 static HRESULT JSGlobal_encodeURI(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 531         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 532 {
 533     const WCHAR *ptr;
 534     DWORD len = 0, i;
 535     char buf[4];
 536     BSTR str, ret;
 537     WCHAR *rptr;
 538     HRESULT hres;
 539
 540     TRACE("\n");
 541
 542     if(!arg_cnt(dp)) {
 543         if(retv) {
 544             ret = SysAllocString(undefinedW);
 545             if(!ret)
 546                 return E_OUTOFMEMORY;
 547
 548             V_VT(retv) = VT_BSTR;
 549             V_BSTR(retv) = ret;
 550         }
 551
 552         return S_OK;
 553     }
 554
 555     hres = to_string(dispex->ctx, get_arg(dp,0), ei, &str);
 556     if(FAILED(hres))
 557         return hres;
 558
 559     for(ptr = str; *ptr; ptr++) {
 560         if(is_uri_unescaped(*ptr) || is_uri_reserved(*ptr) || *ptr == '#') {
 561             len++;
 562         }else {
 563             i = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, NULL, 0, NULL, NULL)*3;
 564             if(!i) {
 565                 FIXME("throw URIError\n");
 566                 return E_FAIL;
 567             }
 568
 569             len += i;
 570         }
 571     }
 572
 573     rptr = ret = SysAllocStringLen(NULL, len);
 574     if(!ret)
 575         return E_OUTOFMEMORY;
 576
 577     for(ptr = str; *ptr; ptr++) {
 578         if(is_uri_unescaped(*ptr) || is_uri_reserved(*ptr) || *ptr == '#') {
 579             *rptr++ = *ptr;
 580         }else {
 581             len = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, buf, sizeof(buf), NULL, NULL);
 582             for(i=0; i<len; i++) {
 583                 *rptr++ = '%';
 584                 *rptr++ = int_to_char((BYTE)buf[i] >> 4);
 585                 *rptr++ = int_to_char(buf[i] & 0x0f);
 586             }
 587         }
 588     }
 589
 590     TRACE("%s -> %s\n", debugstr_w(str), debugstr_w(ret));
 591     if(retv) {
 592         V_VT(retv) = VT_BSTR;
 593         V_BSTR(retv) = ret;
 594     }else {
 595         SysFreeString(ret);
 596     }
 597     return S_OK;
 598 }
 599
 600 static const builtin_prop_t JSGlobal_props[] = {
 601     {ActiveXObjectW,             JSGlobal_ActiveXObject,             PROPF_METHOD},
 602     {ArrayW,                     JSGlobal_Array,                     PROPF_CONSTR},
 603     {BooleanW,                   JSGlobal_Boolean,                   PROPF_CONSTR},
 604     {CollectGarbageW,            JSGlobal_CollectGarbage,            PROPF_METHOD},
 605     {DateW,                      JSGlobal_Date,                      PROPF_CONSTR},
 606     {EnumeratorW,                JSGlobal_Enumerator,                PROPF_METHOD},
 607     {ErrorW,                     JSGlobal_Error,                     PROPF_CONSTR},
 608     {EvalErrorW,                 JSGlobal_EvalError,                 PROPF_CONSTR},
 609     {FunctionW,                  JSGlobal_Function,                  PROPF_CONSTR},
 610     {_GetObjectW,                JSGlobal_GetObject,                 PROPF_METHOD},
 611     {InfinityW,                  JSGlobal_Infinity,                  0},
 612 /*  {MathW,                      JSGlobal_Math,                      0},  */
 613     {NaNW,                       JSGlobal_NaN,                       0},
 614     {NumberW,                    JSGlobal_Number,                    PROPF_CONSTR},
 615     {ObjectW,                    JSGlobal_Object,                    PROPF_CONSTR},
 616     {RangeErrorW,                JSGlobal_RangeError,                PROPF_CONSTR},
 617     {ReferenceErrorW,            JSGlobal_ReferenceError,            PROPF_CONSTR},
 618     {RegExpW,                    JSGlobal_RegExp,                    PROPF_CONSTR},
 619     {ScriptEngineW,              JSGlobal_ScriptEngine,              PROPF_METHOD},
 620     {ScriptEngineBuildVersionW,  JSGlobal_ScriptEngineBuildVersion,  PROPF_METHOD},
 621     {ScriptEngineMajorVersionW,  JSGlobal_ScriptEngineMajorVersion,  PROPF_METHOD},
 622     {ScriptEngineMinorVersionW,  JSGlobal_ScriptEngineMinorVersion,  PROPF_METHOD},
 623     {StringW,                    JSGlobal_String,                    PROPF_CONSTR},
 624     {SyntaxErrorW,               JSGlobal_SyntaxError,               PROPF_CONSTR},
 625     {TypeErrorW,                 JSGlobal_TypeError,                 PROPF_CONSTR},
 626     {URIErrorW,                  JSGlobal_URIError,                  PROPF_CONSTR},
 627     {VBArrayW,                   JSGlobal_VBArray,                   PROPF_METHOD},
 628     {encodeURIW,                 JSGlobal_encodeURI,                 PROPF_METHOD},
 629     {escapeW,                    JSGlobal_escape,                    PROPF_METHOD},
 630     {evalW,                      JSGlobal_eval,                      PROPF_METHOD|1},
 631     {isFiniteW,                  JSGlobal_isFinite,                  PROPF_METHOD},
 632     {isNaNW,                     JSGlobal_isNaN,                     PROPF_METHOD},
 633     {parseFloatW,                JSGlobal_parseFloat,                PROPF_METHOD},
 634     {parseIntW,                  JSGlobal_parseInt,                  PROPF_METHOD|2},
 635     {unescapeW,                  JSGlobal_unescape,                  PROPF_METHOD}
 636 };
 637
 638 static const builtin_info_t JSGlobal_info = {
 639     JSCLASS_GLOBAL,
 640     {NULL, NULL, 0},
 641     sizeof(JSGlobal_props)/sizeof(*JSGlobal_props),
 642     JSGlobal_props,
 643     NULL,
 644     NULL
 645 };
 646
 647 static HRESULT init_constructors(script_ctx_t *ctx, DispatchEx *object_prototype)
 648 {
 649     HRESULT hres;
 650
 651     hres = init_function_constr(ctx, object_prototype);
 652     if(FAILED(hres))
 653         return hres;
 654
 655     hres = create_object_constr(ctx, object_prototype, &ctx->object_constr);
 656     if(FAILED(hres))
 657         return hres;
 658
 659     hres = create_array_constr(ctx, &ctx->array_constr);
 660     if(FAILED(hres))
 661         return hres;
 662
 663     hres = create_bool_constr(ctx, &ctx->bool_constr);
 664     if(FAILED(hres))
 665         return hres;
 666
 667     hres = create_date_constr(ctx, &ctx->date_constr);
 668     if(FAILED(hres))
 669         return hres;
 670
 671     hres = init_error_constr(ctx);
 672     if(FAILED(hres))
 673         return hres;
 674
 675     hres = create_number_constr(ctx, &ctx->number_constr);
 676     if(FAILED(hres))
 677         return hres;
 678
 679     hres = create_regexp_constr(ctx, &ctx->regexp_constr);
 680     if(FAILED(hres))
 681         return hres;
 682
 683     hres = create_string_constr(ctx, &ctx->string_constr);
 684     if(FAILED(hres))
 685         return hres;
 686
 687     return S_OK;
 688 }
 689
 690 HRESULT init_global(script_ctx_t *ctx)
 691 {
 692     DispatchEx *math, *object_prototype;
 693     VARIANT var;
 694     HRESULT hres;
 695
 696     if(ctx->global)
 697         return S_OK;
 698
 699     hres = create_object_prototype(ctx, &object_prototype);
 700     if(FAILED(hres))
 701         return hres;
 702
 703     hres = init_constructors(ctx, object_prototype);
 704     jsdisp_release(object_prototype);
 705     if(FAILED(hres))
 706         return hres;
 707
 708     hres = create_dispex(ctx, &JSGlobal_info, NULL, &ctx->global);
 709     if(FAILED(hres))
 710         return hres;
 711
 712     hres = create_math(ctx, &math);
 713     if(FAILED(hres))
 714         return hres;
 715
 716     V_VT(&var) = VT_DISPATCH;
 717     V_DISPATCH(&var) = (IDispatch*)_IDispatchEx_(math);
 718     hres = jsdisp_propput_name(ctx->global, MathW, ctx->lcid, &var, NULL/*FIXME*/, NULL/*FIXME*/);
 719     jsdisp_release(math);
 720
 721     return hres;
 722 }