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 "jscript.h"
  20 #include "engine.h"
  21
  22 #include "wine/debug.h"
  23
  24 WINE_DEFAULT_DEBUG_CHANNEL(jscript);
  25
  26 static const WCHAR NaNW[] = {'N','a','N',0};
  27 static const WCHAR InfinityW[] = {'I','n','f','i','n','i','t','y',0};
  28 static const WCHAR ArrayW[] = {'A','r','r','a','y',0};
  29 static const WCHAR BooleanW[] = {'B','o','o','l','e','a','n',0};
  30 static const WCHAR DateW[] = {'D','a','t','e',0};
  31 static const WCHAR FunctionW[] = {'F','u','n','c','t','i','o','n',0};
  32 static const WCHAR NumberW[] = {'N','u','m','b','e','r',0};
  33 static const WCHAR ObjectW[] = {'O','b','j','e','c','t',0};
  34 static const WCHAR StringW[] = {'S','t','r','i','n','g',0};
  35 static const WCHAR RegExpW[] = {'R','e','g','E','x','p',0};
  36 static const WCHAR ActiveXObjectW[] = {'A','c','t','i','v','e','X','O','b','j','e','c','t',0};
  37 static const WCHAR VBArrayW[] = {'V','B','A','r','r','a','y',0};
  38 static const WCHAR EnumeratorW[] = {'E','n','u','m','e','r','a','t','o','r',0};
  39 static const WCHAR escapeW[] = {'e','s','c','a','p','e',0};
  40 static const WCHAR evalW[] = {'e','v','a','l',0};
  41 static const WCHAR isNaNW[] = {'i','s','N','a','N',0};
  42 static const WCHAR isFiniteW[] = {'i','s','F','i','n','i','t','e',0};
  43 static const WCHAR parseIntW[] = {'p','a','r','s','e','I','n','t',0};
  44 static const WCHAR parseFloatW[] = {'p','a','r','s','e','F','l','o','a','t',0};
  45 static const WCHAR unescapeW[] = {'u','n','e','s','c','a','p','e',0};
  46 static const WCHAR GetObjectW[] = {'G','e','t','O','b','j','e','c','t',0};
  47 static const WCHAR ScriptEngineW[] = {'S','c','r','i','p','t','E','n','g','i','n','e',0};
  48 static const WCHAR ScriptEngineMajorVersionW[] =
  49     {'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};
  50 static const WCHAR ScriptEngineMinorVersionW[] =
  51     {'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};
  52 static const WCHAR ScriptEngineBuildVersionW[] =
  53     {'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};
  54 static const WCHAR CollectGarbageW[] = {'C','o','l','l','e','c','t','G','a','r','b','a','g','e',0};
  55 static const WCHAR MathW[] = {'M','a','t','h',0};
  56
  57 static HRESULT constructor_call(DispatchEx *constr, LCID lcid, WORD flags, DISPPARAMS *dp,
  58         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
  59 {
  60     if(flags != DISPATCH_PROPERTYGET)
  61         return jsdisp_call_value(constr, lcid, flags, dp, retv, ei, sp);
  62
  63     V_VT(retv) = VT_DISPATCH;
  64     V_DISPATCH(retv) = (IDispatch*)_IDispatchEx_(constr);
  65     IDispatchEx_AddRef(_IDispatchEx_(constr));
  66     return S_OK;
  67 }
  68
  69 static HRESULT JSGlobal_NaN(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
  70         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
  71 {
  72     FIXME("\n");
  73     return E_NOTIMPL;
  74 }
  75
  76 static HRESULT JSGlobal_Infinity(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
  77         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
  78 {
  79     FIXME("\n");
  80     return E_NOTIMPL;
  81 }
  82
  83 static HRESULT JSGlobal_Array(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
  84         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
  85 {
  86     TRACE("\n");
  87
  88     return constructor_call(dispex->ctx->array_constr, lcid, flags, dp, retv, ei, sp);
  89 }
  90
  91 static HRESULT JSGlobal_Boolean(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
  92         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
  93 {
  94     TRACE("\n");
  95
  96     return constructor_call(dispex->ctx->bool_constr, lcid, flags, dp, retv, ei, sp);
  97 }
  98
  99 static HRESULT JSGlobal_Date(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 100         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 101 {
 102     FIXME("\n");
 103     return E_NOTIMPL;
 104 }
 105
 106 static HRESULT JSGlobal_Function(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 107         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 108 {
 109     TRACE("\n");
 110
 111     return constructor_call(dispex->ctx->function_constr, lcid, flags, dp, retv, ei, sp);
 112 }
 113
 114 static HRESULT JSGlobal_Number(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 115         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 116 {
 117     TRACE("\n");
 118
 119     return constructor_call(dispex->ctx->number_constr, lcid, flags, dp, retv, ei, sp);
 120 }
 121
 122 static HRESULT JSGlobal_Object(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 123         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 124 {
 125     TRACE("\n");
 126
 127     return constructor_call(dispex->ctx->object_constr, lcid, flags, dp, retv, ei, sp);
 128 }
 129
 130 static HRESULT JSGlobal_String(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 131         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 132 {
 133     TRACE("\n");
 134
 135     return constructor_call(dispex->ctx->string_constr, lcid, flags, dp, retv, ei, sp);
 136 }
 137
 138 static HRESULT JSGlobal_RegExp(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 139         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 140 {
 141     TRACE("\n");
 142
 143     return constructor_call(dispex->ctx->regexp_constr, lcid, flags, dp, retv, ei, sp);
 144 }
 145
 146 static HRESULT JSGlobal_ActiveXObject(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 147         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 148 {
 149     FIXME("\n");
 150     return E_NOTIMPL;
 151 }
 152
 153 static HRESULT JSGlobal_VBArray(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 154         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 155 {
 156     FIXME("\n");
 157     return E_NOTIMPL;
 158 }
 159
 160 static HRESULT JSGlobal_Enumerator(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 161         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 162 {
 163     FIXME("\n");
 164     return E_NOTIMPL;
 165 }
 166
 167 static HRESULT JSGlobal_escape(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 168         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 169 {
 170     FIXME("\n");
 171     return E_NOTIMPL;
 172 }
 173
 174 /* ECMA-262 3rd Edition    15.1.2.1 */
 175 static HRESULT JSGlobal_eval(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 176         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 177 {
 178     parser_ctx_t *parser_ctx;
 179     VARIANT *arg;
 180     HRESULT hres;
 181
 182     TRACE("\n");
 183
 184     if(!arg_cnt(dp)) {
 185         if(retv)
 186             V_VT(retv) = VT_EMPTY;
 187         return S_OK;
 188     }
 189
 190     arg = get_arg(dp, 0);
 191     if(V_VT(arg) != VT_BSTR) {
 192         if(retv) {
 193             V_VT(retv) = VT_EMPTY;
 194             return VariantCopy(retv, arg);
 195         }
 196         return S_OK;
 197     }
 198
 199     if(!dispex->ctx->exec_ctx) {
 200         FIXME("No active exec_ctx\n");
 201         return E_UNEXPECTED;
 202     }
 203
 204     TRACE("parsing %s\n", debugstr_w(V_BSTR(arg)));
 205     hres = script_parse(dispex->ctx, V_BSTR(arg), &parser_ctx);
 206     if(FAILED(hres)) {
 207         FIXME("parse failed: %08x\n", hres);
 208         return hres;
 209     }
 210
 211     hres = exec_source(dispex->ctx->exec_ctx, parser_ctx, parser_ctx->source, ei, retv);
 212     parser_release(parser_ctx);
 213
 214     return hres;
 215 }
 216
 217 static HRESULT JSGlobal_isNaN(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 218         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 219 {
 220     FIXME("\n");
 221     return E_NOTIMPL;
 222 }
 223
 224 static HRESULT JSGlobal_isFinite(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 225         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 226 {
 227     FIXME("\n");
 228     return E_NOTIMPL;
 229 }
 230
 231 static INT char_to_int(WCHAR c)
 232 {
 233     if('0' <= c && c <= '9')
 234         return c - '0';
 235     if('a' <= c && c <= 'z')
 236         return c - 'a' + 10;
 237     if('A' <= c && c <= 'Z')
 238         return c - 'A' + 10;
 239     return 100;
 240 }
 241
 242 static HRESULT JSGlobal_parseInt(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 243         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 244 {
 245     DOUBLE ret = 0.0;
 246     INT radix=10, i;
 247     WCHAR *ptr;
 248     BOOL neg = FALSE;
 249     BSTR str;
 250     HRESULT hres;
 251
 252     if(!arg_cnt(dp)) {
 253         FIXME("NAN\n");
 254         return E_NOTIMPL;
 255     }
 256
 257     if(arg_cnt(dp) >= 2) {
 258         hres = to_int32(dispex->ctx, get_arg(dp, 1), ei, &radix);
 259         if(FAILED(hres))
 260             return hres;
 261
 262         if(!radix) {
 263             radix = 10;
 264         }else if(radix < 2 || radix > 36) {
 265             WARN("radix %d out of range\n", radix);
 266             return E_FAIL;
 267         }
 268     }
 269
 270     hres = to_string(dispex->ctx, get_arg(dp, 0), ei, &str);
 271     if(FAILED(hres))
 272         return hres;
 273
 274     for(ptr = str; isspaceW(*ptr); ptr++);
 275
 276     switch(*ptr) {
 277     case '+':
 278         ptr++;
 279         break;
 280     case '-':
 281         neg = TRUE;
 282         ptr++;
 283         break;
 284     case '0':
 285         ptr++;
 286         if(*ptr == 'x' || *ptr == 'X') {
 287             radix = 16;
 288             ptr++;
 289         }
 290     }
 291
 292     while(*ptr) {
 293         i = char_to_int(*ptr++);
 294         if(i > radix)
 295             break;
 296
 297         ret = ret*radix + i;
 298     }
 299
 300     SysFreeString(str);
 301
 302     if(neg)
 303         ret = -ret;
 304
 305     if(retv)
 306         num_set_val(retv, ret);
 307     return S_OK;
 308 }
 309
 310 static HRESULT JSGlobal_parseFloat(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 311         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 312 {
 313     FIXME("\n");
 314     return E_NOTIMPL;
 315 }
 316
 317 static HRESULT JSGlobal_unescape(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 318         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 319 {
 320     FIXME("\n");
 321     return E_NOTIMPL;
 322 }
 323
 324 static HRESULT JSGlobal_GetObject(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 325         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 326 {
 327     FIXME("\n");
 328     return E_NOTIMPL;
 329 }
 330
 331 static HRESULT JSGlobal_ScriptEngine(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 332         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 333 {
 334     FIXME("\n");
 335     return E_NOTIMPL;
 336 }
 337
 338 static HRESULT JSGlobal_ScriptEngineMajorVersion(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 339         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 340 {
 341     FIXME("\n");
 342     return E_NOTIMPL;
 343 }
 344
 345 static HRESULT JSGlobal_ScriptEngineMinorVersion(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 346         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 347 {
 348     FIXME("\n");
 349     return E_NOTIMPL;
 350 }
 351
 352 static HRESULT JSGlobal_ScriptEngineBuildVersion(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 353         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 354 {
 355     FIXME("\n");
 356     return E_NOTIMPL;
 357 }
 358
 359 static HRESULT JSGlobal_CollectGarbage(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 360         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 361 {
 362     FIXME("\n");
 363     return E_NOTIMPL;
 364 }
 365
 366 static const builtin_prop_t JSGlobal_props[] = {
 367     {ActiveXObjectW,             JSGlobal_ActiveXObject,             PROPF_METHOD},
 368     {ArrayW,                     JSGlobal_Array,                     PROPF_CONSTR},
 369     {BooleanW,                   JSGlobal_Boolean,                   PROPF_CONSTR},
 370     {CollectGarbageW,            JSGlobal_CollectGarbage,            PROPF_METHOD},
 371     {DateW,                      JSGlobal_Date,                      PROPF_CONSTR},
 372     {EnumeratorW,                JSGlobal_Enumerator,                PROPF_METHOD},
 373     {FunctionW,                  JSGlobal_Function,                  PROPF_CONSTR},
 374     {GetObjectW,                 JSGlobal_GetObject,                 PROPF_METHOD},
 375     {InfinityW,                  JSGlobal_Infinity,                  0},
 376 /*  {MathW,                      JSGlobal_Math,                      0},  */
 377     {NaNW,                       JSGlobal_NaN,                       0},
 378     {NumberW,                    JSGlobal_Number,                    PROPF_CONSTR},
 379     {ObjectW,                    JSGlobal_Object,                    PROPF_CONSTR},
 380     {RegExpW,                    JSGlobal_RegExp,                    PROPF_CONSTR},
 381     {ScriptEngineW,              JSGlobal_ScriptEngine,              PROPF_METHOD},
 382     {ScriptEngineBuildVersionW,  JSGlobal_ScriptEngineBuildVersion,  PROPF_METHOD},
 383     {ScriptEngineMajorVersionW,  JSGlobal_ScriptEngineMajorVersion,  PROPF_METHOD},
 384     {ScriptEngineMinorVersionW,  JSGlobal_ScriptEngineMinorVersion,  PROPF_METHOD},
 385     {StringW,                    JSGlobal_String,                    PROPF_CONSTR},
 386     {VBArrayW,                   JSGlobal_VBArray,                   PROPF_METHOD},
 387     {escapeW,                    JSGlobal_escape,                    PROPF_METHOD},
 388     {evalW,                      JSGlobal_eval,                      PROPF_METHOD|1},
 389     {isFiniteW,                  JSGlobal_isFinite,                  PROPF_METHOD},
 390     {isNaNW,                     JSGlobal_isNaN,                     PROPF_METHOD},
 391     {parseFloatW,                JSGlobal_parseFloat,                PROPF_METHOD},
 392     {parseIntW,                  JSGlobal_parseInt,                  PROPF_METHOD|2},
 393     {unescapeW,                  JSGlobal_unescape,                  PROPF_METHOD}
 394 };
 395
 396 static const builtin_info_t JSGlobal_info = {
 397     JSCLASS_GLOBAL,
 398     {NULL, NULL, 0},
 399     sizeof(JSGlobal_props)/sizeof(*JSGlobal_props),
 400     JSGlobal_props,
 401     NULL,
 402     NULL
 403 };
 404
 405 static HRESULT init_constructors(script_ctx_t *ctx)
 406 {
 407     HRESULT hres;
 408
 409     hres = init_function_constr(ctx);
 410     if(FAILED(hres))
 411         return hres;
 412
 413     hres = create_array_constr(ctx, &ctx->array_constr);
 414     if(FAILED(hres))
 415         return hres;
 416
 417     hres = create_bool_constr(ctx, &ctx->bool_constr);
 418     if(FAILED(hres))
 419         return hres;
 420
 421     hres = create_number_constr(ctx, &ctx->number_constr);
 422     if(FAILED(hres))
 423         return hres;
 424
 425     hres = create_object_constr(ctx, &ctx->object_constr);
 426     if(FAILED(hres))
 427         return hres;
 428
 429     hres = create_object_constr(ctx, &ctx->regexp_constr);
 430     if(FAILED(hres))
 431         return hres;
 432
 433     hres = create_string_constr(ctx, &ctx->string_constr);
 434     if(FAILED(hres))
 435         return hres;
 436
 437     return S_OK;
 438 }
 439
 440 HRESULT init_global(script_ctx_t *ctx)
 441 {
 442     DispatchEx *math;
 443     VARIANT var;
 444     HRESULT hres;
 445
 446     if(ctx->global)
 447         return S_OK;
 448
 449     hres = init_constructors(ctx);
 450     if(FAILED(hres))
 451         return hres;
 452
 453     hres = create_dispex(ctx, &JSGlobal_info, NULL, &ctx->global);
 454     if(FAILED(hres))
 455         return hres;
 456
 457     hres = create_math(ctx, &math);
 458     if(FAILED(hres))
 459         return hres;
 460
 461     V_VT(&var) = VT_DISPATCH;
 462     V_DISPATCH(&var) = (IDispatch*)_IDispatchEx_(math);
 463     hres = jsdisp_propput_name(ctx->global, MathW, ctx->lcid, &var, NULL/*FIXME*/, NULL/*FIXME*/);
 464     jsdisp_release(math);
 465
 466     return hres;
 467 }