dlls/jscript/jscript.h

   1 /*
   2  * Copyright 2008-2009 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 <stdarg.h>
  20 #include <stdio.h>
  21 #include <stdint.h>
  22
  23 #define COBJMACROS
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "winuser.h"
  28 #include "ole2.h"
  29 #include "dispex.h"
  30 #include "activscp.h"
  31
  32 #include "resource.h"
  33
  34 #include "wine/heap.h"
  35 #include "wine/list.h"
  36
  37 /*
  38  * This is Wine jscript extension for ES5 compatible mode. Native IE9+ implements
  39  * a separated JavaScript enging in side MSHTML. We implement its features here
  40  * and enable it when HTML flag is specified in SCRIPTPROP_INVOKEVERSIONING property.
  41  */
  42 #define SCRIPTLANGUAGEVERSION_HTML 0x400
  43
  44 /*
  45  * This is Wine jscript extension for ES5 compatible mode. Allowed only in HTML mode.
  46  */
  47 #define SCRIPTLANGUAGEVERSION_ES5  0x102
  48
  49 typedef struct _jsval_t jsval_t;
  50 typedef struct _jsstr_t jsstr_t;
  51 typedef struct _jsexcept_t jsexcept_t;
  52 typedef struct _script_ctx_t script_ctx_t;
  53 typedef struct _dispex_prop_t dispex_prop_t;
  54 typedef struct _property_desc_t property_desc_t;
  55
  56 typedef struct {
  57     void **blocks;
  58     DWORD block_cnt;
  59     DWORD last_block;
  60     DWORD offset;
  61     BOOL mark;
  62     struct list custom_blocks;
  63 } heap_pool_t;
  64
  65 void heap_pool_init(heap_pool_t*) DECLSPEC_HIDDEN;
  66 void *heap_pool_alloc(heap_pool_t*,DWORD) __WINE_ALLOC_SIZE(2) DECLSPEC_HIDDEN;
  67 void *heap_pool_grow(heap_pool_t*,void*,DWORD,DWORD) DECLSPEC_HIDDEN;
  68 void heap_pool_clear(heap_pool_t*) DECLSPEC_HIDDEN;
  69 void heap_pool_free(heap_pool_t*) DECLSPEC_HIDDEN;
  70 heap_pool_t *heap_pool_mark(heap_pool_t*) DECLSPEC_HIDDEN;
  71
  72 static inline LPWSTR heap_strdupW(LPCWSTR str)
  73 {
  74     LPWSTR ret = NULL;
  75
  76     if(str) {
  77         DWORD size;
  78
  79         size = (lstrlenW(str)+1)*sizeof(WCHAR);
  80         ret = heap_alloc(size);
  81         if(ret)
  82             memcpy(ret, str, size);
  83     }
  84
  85     return ret;
  86 }
  87
  88 typedef struct jsdisp_t jsdisp_t;
  89
  90 extern HINSTANCE jscript_hinstance DECLSPEC_HIDDEN;
  91 HRESULT get_dispatch_typeinfo(ITypeInfo**) DECLSPEC_HIDDEN;
  92
  93 #define PROPF_ARGMASK       0x00ff
  94 #define PROPF_METHOD        0x0100
  95 #define PROPF_CONSTR        0x0200
  96
  97 #define PROPF_ENUMERABLE    0x0400
  98 #define PROPF_WRITABLE      0x0800
  99 #define PROPF_CONFIGURABLE  0x1000
 100 #define PROPF_ALL           (PROPF_ENUMERABLE | PROPF_WRITABLE | PROPF_CONFIGURABLE)
 101
 102 #define PROPF_VERSION_MASK  0x01ff0000
 103 #define PROPF_VERSION_SHIFT 16
 104 #define PROPF_HTML          (SCRIPTLANGUAGEVERSION_HTML << PROPF_VERSION_SHIFT)
 105 #define PROPF_ES5           ((SCRIPTLANGUAGEVERSION_HTML|SCRIPTLANGUAGEVERSION_ES5) << PROPF_VERSION_SHIFT)
 106
 107 /*
 108  * This is our internal dispatch flag informing calee that it's called directly from interpreter.
 109  * If calee is executed as interpreted function, we may let already running interpreter to take
 110  * of execution.
 111  */
 112 #define DISPATCH_JSCRIPT_CALLEREXECSSOURCE  0x8000
 113 #define DISPATCH_JSCRIPT_INTERNAL_MASK      DISPATCH_JSCRIPT_CALLEREXECSSOURCE
 114
 115 /* NOTE: Keep in sync with names in Object.toString implementation */
 116 typedef enum {
 117     JSCLASS_NONE,
 118     JSCLASS_ARRAY,
 119     JSCLASS_BOOLEAN,
 120     JSCLASS_DATE,
 121     JSCLASS_ENUMERATOR,
 122     JSCLASS_ERROR,
 123     JSCLASS_FUNCTION,
 124     JSCLASS_GLOBAL,
 125     JSCLASS_MATH,
 126     JSCLASS_NUMBER,
 127     JSCLASS_OBJECT,
 128     JSCLASS_REGEXP,
 129     JSCLASS_STRING,
 130     JSCLASS_ARGUMENTS,
 131     JSCLASS_VBARRAY,
 132     JSCLASS_JSON
 133 } jsclass_t;
 134
 135 jsdisp_t *iface_to_jsdisp(IDispatch*) DECLSPEC_HIDDEN;
 136
 137 typedef struct {
 138     union {
 139         IDispatch *disp;
 140         IDispatchEx *dispex;
 141         jsdisp_t *jsdisp;
 142     } u;
 143     DWORD flags;
 144 } vdisp_t;
 145
 146 #define VDISP_DISPEX  0x0001
 147 #define VDISP_JSDISP  0x0002
 148
 149 static inline void vdisp_release(vdisp_t *vdisp)
 150 {
 151     IDispatch_Release(vdisp->u.disp);
 152 }
 153
 154 static inline BOOL is_jsdisp(vdisp_t *vdisp)
 155 {
 156     return (vdisp->flags & VDISP_JSDISP) != 0;
 157 }
 158
 159 static inline BOOL is_dispex(vdisp_t *vdisp)
 160 {
 161     return (vdisp->flags & VDISP_DISPEX) != 0;
 162 }
 163
 164 static inline void set_jsdisp(vdisp_t *vdisp, jsdisp_t *jsdisp)
 165 {
 166     vdisp->u.jsdisp = jsdisp;
 167     vdisp->flags = VDISP_JSDISP | VDISP_DISPEX;
 168     IDispatch_AddRef(vdisp->u.disp);
 169 }
 170
 171 static inline void set_disp(vdisp_t *vdisp, IDispatch *disp)
 172 {
 173     IDispatchEx *dispex;
 174     jsdisp_t *jsdisp;
 175     HRESULT hres;
 176
 177     jsdisp = iface_to_jsdisp(disp);
 178     if(jsdisp) {
 179         vdisp->u.jsdisp = jsdisp;
 180         vdisp->flags = VDISP_JSDISP | VDISP_DISPEX;
 181         return;
 182     }
 183
 184     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
 185     if(SUCCEEDED(hres)) {
 186         vdisp->u.dispex = dispex;
 187         vdisp->flags = VDISP_DISPEX;
 188         return;
 189     }
 190
 191     IDispatch_AddRef(disp);
 192     vdisp->u.disp = disp;
 193     vdisp->flags = 0;
 194 }
 195
 196 static inline jsdisp_t *get_jsdisp(vdisp_t *vdisp)
 197 {
 198     return is_jsdisp(vdisp) ? vdisp->u.jsdisp : NULL;
 199 }
 200
 201 typedef HRESULT (*builtin_invoke_t)(script_ctx_t*,vdisp_t*,WORD,unsigned,jsval_t*,jsval_t*);
 202 typedef HRESULT (*builtin_getter_t)(script_ctx_t*,jsdisp_t*,jsval_t*);
 203 typedef HRESULT (*builtin_setter_t)(script_ctx_t*,jsdisp_t*,jsval_t);
 204
 205 HRESULT builtin_set_const(script_ctx_t*,jsdisp_t*,jsval_t) DECLSPEC_HIDDEN;
 206
 207 typedef struct named_item_t {
 208     IDispatch *disp;
 209     unsigned ref;
 210     DWORD flags;
 211     LPWSTR name;
 212
 213     struct list entry;
 214 } named_item_t;
 215
 216 named_item_t *lookup_named_item(script_ctx_t*,const WCHAR*,unsigned) DECLSPEC_HIDDEN;
 217 void release_named_item(named_item_t*) DECLSPEC_HIDDEN;
 218
 219 typedef struct {
 220     const WCHAR *name;
 221     builtin_invoke_t invoke;
 222     DWORD flags;
 223     builtin_getter_t getter;
 224     builtin_setter_t setter;
 225 } builtin_prop_t;
 226
 227 typedef struct {
 228     jsclass_t class;
 229     builtin_prop_t value_prop;
 230     DWORD props_cnt;
 231     const builtin_prop_t *props;
 232     void (*destructor)(jsdisp_t*);
 233     void (*on_put)(jsdisp_t*,const WCHAR*);
 234     unsigned (*idx_length)(jsdisp_t*);
 235     HRESULT (*idx_get)(jsdisp_t*,unsigned,jsval_t*);
 236     HRESULT (*idx_put)(jsdisp_t*,unsigned,jsval_t);
 237 } builtin_info_t;
 238
 239 struct jsdisp_t {
 240     IDispatchEx IDispatchEx_iface;
 241
 242     LONG ref;
 243
 244     DWORD buf_size;
 245     DWORD prop_cnt;
 246     dispex_prop_t *props;
 247     script_ctx_t *ctx;
 248
 249     jsdisp_t *prototype;
 250
 251     const builtin_info_t *builtin_info;
 252 };
 253
 254 static inline IDispatch *to_disp(jsdisp_t *jsdisp)
 255 {
 256     return (IDispatch*)&jsdisp->IDispatchEx_iface;
 257 }
 258
 259 jsdisp_t *as_jsdisp(IDispatch*) DECLSPEC_HIDDEN;
 260 jsdisp_t *to_jsdisp(IDispatch*) DECLSPEC_HIDDEN;
 261 void jsdisp_free(jsdisp_t*) DECLSPEC_HIDDEN;
 262
 263 #ifndef TRACE_REFCNT
 264
 265 /*
 266  * We do a lot of refcount calls during script execution, so having an inline
 267  * version is a nice perf win. Define TRACE_REFCNT macro when debugging
 268  * refcount bugs to have traces. Also, since jsdisp_t is not thread safe anyways,
 269  * there is no point in using atomic operations.
 270  */
 271 static inline jsdisp_t *jsdisp_addref(jsdisp_t *jsdisp)
 272 {
 273     jsdisp->ref++;
 274     return jsdisp;
 275 }
 276
 277 static inline void jsdisp_release(jsdisp_t *jsdisp)
 278 {
 279     if(!--jsdisp->ref)
 280         jsdisp_free(jsdisp);
 281 }
 282
 283 #else
 284
 285 jsdisp_t *jsdisp_addref(jsdisp_t*) DECLSPEC_HIDDEN;
 286 void jsdisp_release(jsdisp_t*) DECLSPEC_HIDDEN;
 287
 288 #endif
 289
 290 HRESULT create_dispex(script_ctx_t*,const builtin_info_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 291 HRESULT init_dispex(jsdisp_t*,script_ctx_t*,const builtin_info_t*,jsdisp_t*) DECLSPEC_HIDDEN;
 292 HRESULT init_dispex_from_constr(jsdisp_t*,script_ctx_t*,const builtin_info_t*,jsdisp_t*) DECLSPEC_HIDDEN;
 293
 294 HRESULT disp_call(script_ctx_t*,IDispatch*,DISPID,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 295 HRESULT disp_call_value(script_ctx_t*,IDispatch*,IDispatch*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 296 HRESULT jsdisp_call_value(jsdisp_t*,IDispatch*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 297 HRESULT jsdisp_call(jsdisp_t*,DISPID,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 298 HRESULT jsdisp_call_name(jsdisp_t*,const WCHAR*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 299 HRESULT disp_propget(script_ctx_t*,IDispatch*,DISPID,jsval_t*) DECLSPEC_HIDDEN;
 300 HRESULT disp_propput(script_ctx_t*,IDispatch*,DISPID,jsval_t) DECLSPEC_HIDDEN;
 301 HRESULT jsdisp_propget(jsdisp_t*,DISPID,jsval_t*) DECLSPEC_HIDDEN;
 302 HRESULT jsdisp_propput(jsdisp_t*,const WCHAR*,DWORD,jsval_t) DECLSPEC_HIDDEN;
 303 HRESULT jsdisp_propput_name(jsdisp_t*,const WCHAR*,jsval_t) DECLSPEC_HIDDEN;
 304 HRESULT jsdisp_propput_idx(jsdisp_t*,DWORD,jsval_t) DECLSPEC_HIDDEN;
 305 HRESULT jsdisp_propget_name(jsdisp_t*,LPCWSTR,jsval_t*) DECLSPEC_HIDDEN;
 306 HRESULT jsdisp_get_idx(jsdisp_t*,DWORD,jsval_t*) DECLSPEC_HIDDEN;
 307 HRESULT jsdisp_get_id(jsdisp_t*,const WCHAR*,DWORD,DISPID*) DECLSPEC_HIDDEN;
 308 HRESULT disp_delete(IDispatch*,DISPID,BOOL*) DECLSPEC_HIDDEN;
 309 HRESULT disp_delete_name(script_ctx_t*,IDispatch*,jsstr_t*,BOOL*) DECLSPEC_HIDDEN;
 310 HRESULT jsdisp_delete_idx(jsdisp_t*,DWORD) DECLSPEC_HIDDEN;
 311 HRESULT jsdisp_get_own_property(jsdisp_t*,const WCHAR*,BOOL,property_desc_t*) DECLSPEC_HIDDEN;
 312 HRESULT jsdisp_define_property(jsdisp_t*,const WCHAR*,property_desc_t*) DECLSPEC_HIDDEN;
 313 HRESULT jsdisp_define_data_property(jsdisp_t*,const WCHAR*,unsigned,jsval_t) DECLSPEC_HIDDEN;
 314 HRESULT jsdisp_next_prop(jsdisp_t*,DISPID,BOOL,DISPID*) DECLSPEC_HIDDEN;
 315
 316 HRESULT create_builtin_function(script_ctx_t*,builtin_invoke_t,const WCHAR*,const builtin_info_t*,DWORD,
 317         jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 318 HRESULT create_builtin_constructor(script_ctx_t*,builtin_invoke_t,const WCHAR*,const builtin_info_t*,DWORD,
 319         jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 320 HRESULT Function_invoke(jsdisp_t*,IDispatch*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 321
 322 HRESULT Function_value(script_ctx_t*,vdisp_t*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 323 HRESULT Function_get_value(script_ctx_t*,jsdisp_t*,jsval_t*) DECLSPEC_HIDDEN;
 324 struct _function_code_t *Function_get_code(jsdisp_t*) DECLSPEC_HIDDEN;
 325 #define DEFAULT_FUNCTION_VALUE {NULL, Function_value,0, Function_get_value}
 326
 327 HRESULT throw_error(script_ctx_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
 328 jsdisp_t *create_builtin_error(script_ctx_t *ctx) DECLSPEC_HIDDEN;
 329
 330 HRESULT create_object(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 331 HRESULT create_math(script_ctx_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 332 HRESULT create_array(script_ctx_t*,DWORD,jsdisp_t**) DECLSPEC_HIDDEN;
 333 HRESULT create_regexp(script_ctx_t*,jsstr_t*,DWORD,jsdisp_t**) DECLSPEC_HIDDEN;
 334 HRESULT create_regexp_var(script_ctx_t*,jsval_t,jsval_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 335 HRESULT create_string(script_ctx_t*,jsstr_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 336 HRESULT create_bool(script_ctx_t*,BOOL,jsdisp_t**) DECLSPEC_HIDDEN;
 337 HRESULT create_number(script_ctx_t*,double,jsdisp_t**) DECLSPEC_HIDDEN;
 338 HRESULT create_vbarray(script_ctx_t*,SAFEARRAY*,jsdisp_t**) DECLSPEC_HIDDEN;
 339 HRESULT create_json(script_ctx_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 340
 341 typedef enum {
 342     NO_HINT,
 343     HINT_STRING,
 344     HINT_NUMBER
 345 } hint_t;
 346
 347 HRESULT to_primitive(script_ctx_t*,jsval_t,jsval_t*, hint_t) DECLSPEC_HIDDEN;
 348 HRESULT to_boolean(jsval_t,BOOL*) DECLSPEC_HIDDEN;
 349 HRESULT to_number(script_ctx_t*,jsval_t,double*) DECLSPEC_HIDDEN;
 350 HRESULT to_integer(script_ctx_t*,jsval_t,double*) DECLSPEC_HIDDEN;
 351 HRESULT to_int32(script_ctx_t*,jsval_t,INT*) DECLSPEC_HIDDEN;
 352 HRESULT to_uint32(script_ctx_t*,jsval_t,UINT32*) DECLSPEC_HIDDEN;
 353 HRESULT to_string(script_ctx_t*,jsval_t,jsstr_t**) DECLSPEC_HIDDEN;
 354 HRESULT to_flat_string(script_ctx_t*,jsval_t,jsstr_t**,const WCHAR**) DECLSPEC_HIDDEN;
 355 HRESULT to_object(script_ctx_t*,jsval_t,IDispatch**) DECLSPEC_HIDDEN;
 356
 357 HRESULT jsval_strict_equal(jsval_t,jsval_t,BOOL*) DECLSPEC_HIDDEN;
 358
 359 HRESULT variant_change_type(script_ctx_t*,VARIANT*,VARIANT*,VARTYPE) DECLSPEC_HIDDEN;
 360
 361 HRESULT decode_source(WCHAR*) DECLSPEC_HIDDEN;
 362
 363 HRESULT double_to_string(double,jsstr_t**) DECLSPEC_HIDDEN;
 364 BOOL is_finite(double) DECLSPEC_HIDDEN;
 365
 366 static inline BOOL is_digit(WCHAR c)
 367 {
 368     return '0' <= c && c <= '9';
 369 }
 370
 371 typedef struct _cc_var_t cc_var_t;
 372
 373 typedef struct {
 374     cc_var_t *vars;
 375 } cc_ctx_t;
 376
 377 void release_cc(cc_ctx_t*) DECLSPEC_HIDDEN;
 378
 379 typedef struct {
 380     IServiceProvider IServiceProvider_iface;
 381
 382     LONG ref;
 383
 384     script_ctx_t *ctx;
 385 } JSCaller;
 386
 387 #include "jsval.h"
 388
 389 struct _property_desc_t {
 390     unsigned flags;
 391     unsigned mask;
 392     BOOL explicit_value;
 393     jsval_t value;
 394     BOOL explicit_getter;
 395     jsdisp_t *getter;
 396     BOOL explicit_setter;
 397     jsdisp_t *setter;
 398 };
 399
 400 typedef struct {
 401     unsigned index;
 402     unsigned length;
 403 } match_result_t;
 404
 405 struct _script_ctx_t {
 406     LONG ref;
 407
 408     SCRIPTSTATE state;
 409     IActiveScript *active_script;
 410
 411     struct _call_frame_t *call_ctx;
 412     struct list named_items;
 413     IActiveScriptSite *site;
 414     IInternetHostSecurityManager *secmgr;
 415     DWORD safeopt;
 416     DWORD version;
 417     BOOL html_mode;
 418     LCID lcid;
 419     cc_ctx_t *cc;
 420     JSCaller *jscaller;
 421     jsexcept_t *ei;
 422
 423     heap_pool_t tmp_heap;
 424
 425     IDispatch *host_global;
 426
 427     jsval_t *stack;
 428     unsigned stack_size;
 429     unsigned stack_top;
 430     jsval_t acc;
 431
 432     jsstr_t *last_match;
 433     match_result_t match_parens[9];
 434     DWORD last_match_index;
 435     DWORD last_match_length;
 436
 437     jsdisp_t *global;
 438     jsdisp_t *function_constr;
 439     jsdisp_t *array_constr;
 440     jsdisp_t *bool_constr;
 441     jsdisp_t *date_constr;
 442     jsdisp_t *enumerator_constr;
 443     jsdisp_t *error_constr;
 444     jsdisp_t *eval_error_constr;
 445     jsdisp_t *range_error_constr;
 446     jsdisp_t *reference_error_constr;
 447     jsdisp_t *regexp_error_constr;
 448     jsdisp_t *syntax_error_constr;
 449     jsdisp_t *type_error_constr;
 450     jsdisp_t *uri_error_constr;
 451     jsdisp_t *number_constr;
 452     jsdisp_t *object_constr;
 453     jsdisp_t *regexp_constr;
 454     jsdisp_t *string_constr;
 455     jsdisp_t *vbarray_constr;
 456 };
 457
 458 void script_release(script_ctx_t*) DECLSPEC_HIDDEN;
 459
 460 static inline void script_addref(script_ctx_t *ctx)
 461 {
 462     ctx->ref++;
 463 }
 464
 465 HRESULT init_global(script_ctx_t*) DECLSPEC_HIDDEN;
 466 HRESULT init_function_constr(script_ctx_t*,jsdisp_t*) DECLSPEC_HIDDEN;
 467 HRESULT create_object_prototype(script_ctx_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 468
 469 HRESULT create_activex_constr(script_ctx_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 470 HRESULT create_array_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 471 HRESULT create_bool_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 472 HRESULT create_date_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 473 HRESULT init_error_constr(script_ctx_t*,jsdisp_t*) DECLSPEC_HIDDEN;
 474 HRESULT create_enumerator_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 475 HRESULT create_number_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 476 HRESULT create_object_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 477 HRESULT create_regexp_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 478 HRESULT create_string_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 479 HRESULT create_vbarray_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 480
 481 IUnknown *create_ax_site(script_ctx_t*) DECLSPEC_HIDDEN;
 482 HRESULT create_jscaller(script_ctx_t*) DECLSPEC_HIDDEN;
 483
 484 #define REM_CHECK_GLOBAL   0x0001
 485 #define REM_RESET_INDEX    0x0002
 486 #define REM_NO_CTX_UPDATE  0x0004
 487 #define REM_ALLOC_RESULT   0x0008
 488 #define REM_NO_PARENS      0x0010
 489 struct match_state_t;
 490 HRESULT regexp_match_next(script_ctx_t*,jsdisp_t*,DWORD,jsstr_t*,struct match_state_t**) DECLSPEC_HIDDEN;
 491 HRESULT parse_regexp_flags(const WCHAR*,DWORD,DWORD*) DECLSPEC_HIDDEN;
 492 HRESULT regexp_string_match(script_ctx_t*,jsdisp_t*,jsstr_t*,jsval_t*) DECLSPEC_HIDDEN;
 493
 494 BOOL bool_obj_value(jsdisp_t*) DECLSPEC_HIDDEN;
 495 unsigned array_get_length(jsdisp_t*) DECLSPEC_HIDDEN;
 496
 497 HRESULT JSGlobal_eval(script_ctx_t*,vdisp_t*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 498
 499 static inline BOOL is_class(jsdisp_t *jsdisp, jsclass_t class)
 500 {
 501     return jsdisp->builtin_info->class == class;
 502 }
 503
 504 static inline BOOL is_vclass(vdisp_t *vdisp, jsclass_t class)
 505 {
 506     return is_jsdisp(vdisp) && is_class(vdisp->u.jsdisp, class);
 507 }
 508
 509 static inline BOOL is_int32(double d)
 510 {
 511     return INT32_MIN <= d && d <= INT32_MAX && (double)(int)d == d;
 512 }
 513
 514 static inline DWORD make_grfdex(script_ctx_t *ctx, DWORD flags)
 515 {
 516     return ((ctx->version & 0xff) << 28) | flags;
 517 }
 518
 519 #define FACILITY_JSCRIPT 10
 520
 521 #define MAKE_JSERROR(code) MAKE_HRESULT(SEVERITY_ERROR, FACILITY_JSCRIPT, code)
 522
 523 #define JS_E_TO_PRIMITIVE            MAKE_JSERROR(IDS_TO_PRIMITIVE)
 524 #define JS_E_INVALIDARG              MAKE_JSERROR(IDS_INVALID_CALL_ARG)
 525 #define JS_E_SUBSCRIPT_OUT_OF_RANGE  MAKE_JSERROR(IDS_SUBSCRIPT_OUT_OF_RANGE)
 526 #define JS_E_OBJECT_REQUIRED         MAKE_JSERROR(IDS_OBJECT_REQUIRED)
 527 #define JS_E_CANNOT_CREATE_OBJ       MAKE_JSERROR(IDS_CREATE_OBJ_ERROR)
 528 #define JS_E_INVALID_PROPERTY        MAKE_JSERROR(IDS_NO_PROPERTY)
 529 #define JS_E_INVALID_ACTION          MAKE_JSERROR(IDS_UNSUPPORTED_ACTION)
 530 #define JS_E_MISSING_ARG             MAKE_JSERROR(IDS_ARG_NOT_OPT)
 531 #define JS_E_SYNTAX                  MAKE_JSERROR(IDS_SYNTAX_ERROR)
 532 #define JS_E_MISSING_SEMICOLON       MAKE_JSERROR(IDS_SEMICOLON)
 533 #define JS_E_MISSING_LBRACKET        MAKE_JSERROR(IDS_LBRACKET)
 534 #define JS_E_MISSING_RBRACKET        MAKE_JSERROR(IDS_RBRACKET)
 535 #define JS_E_EXPECTED_IDENTIFIER     MAKE_JSERROR(IDS_EXPECTED_IDENTIFIER)
 536 #define JS_E_EXPECTED_ASSIGN         MAKE_JSERROR(IDS_EXPECTED_ASSIGN)
 537 #define JS_E_INVALID_CHAR            MAKE_JSERROR(IDS_INVALID_CHAR)
 538 #define JS_E_UNTERMINATED_STRING     MAKE_JSERROR(IDS_UNTERMINATED_STR)
 539 #define JS_E_MISPLACED_RETURN        MAKE_JSERROR(IDS_MISPLACED_RETURN)
 540 #define JS_E_INVALID_BREAK           MAKE_JSERROR(IDS_INVALID_BREAK)
 541 #define JS_E_INVALID_CONTINUE        MAKE_JSERROR(IDS_INVALID_CONTINUE)
 542 #define JS_E_LABEL_REDEFINED         MAKE_JSERROR(IDS_LABEL_REDEFINED)
 543 #define JS_E_LABEL_NOT_FOUND         MAKE_JSERROR(IDS_LABEL_NOT_FOUND)
 544 #define JS_E_EXPECTED_CCEND          MAKE_JSERROR(IDS_EXPECTED_CCEND)
 545 #define JS_E_DISABLED_CC             MAKE_JSERROR(IDS_DISABLED_CC)
 546 #define JS_E_EXPECTED_AT             MAKE_JSERROR(IDS_EXPECTED_AT)
 547 #define JS_E_FUNCTION_EXPECTED       MAKE_JSERROR(IDS_NOT_FUNC)
 548 #define JS_E_DATE_EXPECTED           MAKE_JSERROR(IDS_NOT_DATE)
 549 #define JS_E_NUMBER_EXPECTED         MAKE_JSERROR(IDS_NOT_NUM)
 550 #define JS_E_OBJECT_EXPECTED         MAKE_JSERROR(IDS_OBJECT_EXPECTED)
 551 #define JS_E_ILLEGAL_ASSIGN          MAKE_JSERROR(IDS_ILLEGAL_ASSIGN)
 552 #define JS_E_UNDEFINED_VARIABLE      MAKE_JSERROR(IDS_UNDEFINED)
 553 #define JS_E_BOOLEAN_EXPECTED        MAKE_JSERROR(IDS_NOT_BOOL)
 554 #define JS_E_VBARRAY_EXPECTED        MAKE_JSERROR(IDS_NOT_VBARRAY)
 555 #define JS_E_INVALID_DELETE          MAKE_JSERROR(IDS_INVALID_DELETE)
 556 #define JS_E_JSCRIPT_EXPECTED        MAKE_JSERROR(IDS_JSCRIPT_EXPECTED)
 557 #define JS_E_ENUMERATOR_EXPECTED     MAKE_JSERROR(IDS_NOT_ENUMERATOR)
 558 #define JS_E_REGEXP_SYNTAX           MAKE_JSERROR(IDS_REGEXP_SYNTAX_ERROR)
 559 #define JS_E_EXCEPTION_THROWN        MAKE_JSERROR(IDS_EXCEPTION_THROWN)
 560 #define JS_E_INVALID_URI_CODING      MAKE_JSERROR(IDS_URI_INVALID_CODING)
 561 #define JS_E_INVALID_URI_CHAR        MAKE_JSERROR(IDS_URI_INVALID_CHAR)
 562 #define JS_E_FRACTION_DIGITS_OUT_OF_RANGE MAKE_JSERROR(IDS_FRACTION_DIGITS_OUT_OF_RANGE)
 563 #define JS_E_PRECISION_OUT_OF_RANGE  MAKE_JSERROR(IDS_PRECISION_OUT_OF_RANGE)
 564 #define JS_E_INVALID_LENGTH          MAKE_JSERROR(IDS_INVALID_LENGTH)
 565 #define JS_E_ARRAY_EXPECTED          MAKE_JSERROR(IDS_ARRAY_EXPECTED)
 566 #define JS_E_NONCONFIGURABLE_REDEFINED MAKE_JSERROR(IDS_NONCONFIGURABLE_REDEFINED)
 567 #define JS_E_NONWRITABLE_MODIFIED    MAKE_JSERROR(IDS_NONWRITABLE_MODIFIED)
 568 #define JS_E_PROP_DESC_MISMATCH      MAKE_JSERROR(IDS_PROP_DESC_MISMATCH)
 569 #define JS_E_INVALID_WRITABLE_PROP_DESC MAKE_JSERROR(IDS_INVALID_WRITABLE_PROP_DESC)
 570
 571 static inline BOOL is_jscript_error(HRESULT hres)
 572 {
 573     return HRESULT_FACILITY(hres) == FACILITY_JSCRIPT;
 574 }
 575
 576 const char *debugstr_jsval(const jsval_t) DECLSPEC_HIDDEN;
 577
 578 HRESULT create_jscript_object(BOOL,REFIID,void**) DECLSPEC_HIDDEN;
 579
 580 extern LONG module_ref DECLSPEC_HIDDEN;
 581
 582 static inline void lock_module(void)
 583 {
 584     InterlockedIncrement(&module_ref);
 585 }
 586
 587 static inline void unlock_module(void)
 588 {
 589     InterlockedDecrement(&module_ref);
 590 }