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
  22 #define COBJMACROS
  23
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "winuser.h"
  27 #include "ole2.h"
  28 #include "dispex.h"
  29 #include "activscp.h"
  30
  31 #include "resource.h"
  32
  33 #include "wine/unicode.h"
  34 #include "wine/list.h"
  35
  36 typedef struct _jsval_t jsval_t;
  37 typedef struct _jsstr_t jsstr_t;
  38 typedef struct _script_ctx_t script_ctx_t;
  39 typedef struct _dispex_prop_t dispex_prop_t;
  40
  41 typedef struct {
  42     void **blocks;
  43     DWORD block_cnt;
  44     DWORD last_block;
  45     DWORD offset;
  46     BOOL mark;
  47     struct list custom_blocks;
  48 } heap_pool_t;
  49
  50 void heap_pool_init(heap_pool_t*) DECLSPEC_HIDDEN;
  51 void *heap_pool_alloc(heap_pool_t*,DWORD) __WINE_ALLOC_SIZE(2) DECLSPEC_HIDDEN;
  52 void *heap_pool_grow(heap_pool_t*,void*,DWORD,DWORD) DECLSPEC_HIDDEN;
  53 void heap_pool_clear(heap_pool_t*) DECLSPEC_HIDDEN;
  54 void heap_pool_free(heap_pool_t*) DECLSPEC_HIDDEN;
  55 heap_pool_t *heap_pool_mark(heap_pool_t*) DECLSPEC_HIDDEN;
  56
  57 static inline void *heap_alloc(size_t len)
  58 {
  59     return HeapAlloc(GetProcessHeap(), 0, len);
  60 }
  61
  62 static inline void *heap_alloc_zero(size_t len)
  63 {
  64     return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
  65 }
  66
  67 static inline void *heap_realloc(void *mem, size_t len)
  68 {
  69     return HeapReAlloc(GetProcessHeap(), 0, mem, len);
  70 }
  71
  72 static inline BOOL heap_free(void *mem)
  73 {
  74     return HeapFree(GetProcessHeap(), 0, mem);
  75 }
  76
  77 static inline LPWSTR heap_strdupW(LPCWSTR str)
  78 {
  79     LPWSTR ret = NULL;
  80
  81     if(str) {
  82         DWORD size;
  83
  84         size = (strlenW(str)+1)*sizeof(WCHAR);
  85         ret = heap_alloc(size);
  86         if(ret)
  87             memcpy(ret, str, size);
  88     }
  89
  90     return ret;
  91 }
  92
  93 typedef struct jsdisp_t jsdisp_t;
  94
  95 extern HINSTANCE jscript_hinstance DECLSPEC_HIDDEN;
  96
  97 #define PROPF_ARGMASK     0x00ff
  98 #define PROPF_METHOD      0x0100
  99 #define PROPF_ENUM        0x0200
 100 #define PROPF_CONSTR      0x0400
 101 #define PROPF_CONST       0x0800
 102 #define PROPF_DONTDELETE  0x1000
 103
 104 /*
 105  * This is our internal dispatch flag informing calee that it's called directly from interpreter.
 106  * If calee is executed as interpreted function, we may let already running interpreter to take
 107  * of execution.
 108  */
 109 #define DISPATCH_JSCRIPT_CALLEREXECSSOURCE  0x8000
 110 #define DISPATCH_JSCRIPT_INTERNAL_MASK      DISPATCH_JSCRIPT_CALLEREXECSSOURCE
 111
 112 /* NOTE: Keep in sync with names in Object.toString implementation */
 113 typedef enum {
 114     JSCLASS_NONE,
 115     JSCLASS_ARRAY,
 116     JSCLASS_BOOLEAN,
 117     JSCLASS_DATE,
 118     JSCLASS_ERROR,
 119     JSCLASS_FUNCTION,
 120     JSCLASS_GLOBAL,
 121     JSCLASS_MATH,
 122     JSCLASS_NUMBER,
 123     JSCLASS_OBJECT,
 124     JSCLASS_REGEXP,
 125     JSCLASS_STRING,
 126     JSCLASS_ARGUMENTS,
 127     JSCLASS_VBARRAY,
 128     JSCLASS_JSON
 129 } jsclass_t;
 130
 131 jsdisp_t *iface_to_jsdisp(IUnknown*) DECLSPEC_HIDDEN;
 132
 133 typedef struct {
 134     union {
 135         IDispatch *disp;
 136         IDispatchEx *dispex;
 137         jsdisp_t *jsdisp;
 138     } u;
 139     DWORD flags;
 140 } vdisp_t;
 141
 142 #define VDISP_DISPEX  0x0001
 143 #define VDISP_JSDISP  0x0002
 144
 145 static inline void vdisp_release(vdisp_t *vdisp)
 146 {
 147     IDispatch_Release(vdisp->u.disp);
 148 }
 149
 150 static inline BOOL is_jsdisp(vdisp_t *vdisp)
 151 {
 152     return (vdisp->flags & VDISP_JSDISP) != 0;
 153 }
 154
 155 static inline BOOL is_dispex(vdisp_t *vdisp)
 156 {
 157     return (vdisp->flags & VDISP_DISPEX) != 0;
 158 }
 159
 160 static inline void set_jsdisp(vdisp_t *vdisp, jsdisp_t *jsdisp)
 161 {
 162     vdisp->u.jsdisp = jsdisp;
 163     vdisp->flags = VDISP_JSDISP | VDISP_DISPEX;
 164     IDispatch_AddRef(vdisp->u.disp);
 165 }
 166
 167 static inline void set_disp(vdisp_t *vdisp, IDispatch *disp)
 168 {
 169     IDispatchEx *dispex;
 170     jsdisp_t *jsdisp;
 171     HRESULT hres;
 172
 173     jsdisp = iface_to_jsdisp((IUnknown*)disp);
 174     if(jsdisp) {
 175         vdisp->u.jsdisp = jsdisp;
 176         vdisp->flags = VDISP_JSDISP | VDISP_DISPEX;
 177         return;
 178     }
 179
 180     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
 181     if(SUCCEEDED(hres)) {
 182         vdisp->u.dispex = dispex;
 183         vdisp->flags = VDISP_DISPEX;
 184         return;
 185     }
 186
 187     IDispatch_AddRef(disp);
 188     vdisp->u.disp = disp;
 189     vdisp->flags = 0;
 190 }
 191
 192 static inline jsdisp_t *get_jsdisp(vdisp_t *vdisp)
 193 {
 194     return is_jsdisp(vdisp) ? vdisp->u.jsdisp : NULL;
 195 }
 196
 197 typedef HRESULT (*builtin_invoke_t)(script_ctx_t*,vdisp_t*,WORD,unsigned,jsval_t*,jsval_t*);
 198 typedef HRESULT (*builtin_getter_t)(script_ctx_t*,jsdisp_t*,jsval_t*);
 199 typedef HRESULT (*builtin_setter_t)(script_ctx_t*,jsdisp_t*,jsval_t);
 200
 201 HRESULT builtin_set_const(script_ctx_t*,jsdisp_t*,jsval_t) DECLSPEC_HIDDEN;
 202
 203 typedef struct {
 204     const WCHAR *name;
 205     builtin_invoke_t invoke;
 206     DWORD flags;
 207     builtin_getter_t getter;
 208     builtin_setter_t setter;
 209 } builtin_prop_t;
 210
 211 typedef struct {
 212     jsclass_t class;
 213     builtin_prop_t value_prop;
 214     DWORD props_cnt;
 215     const builtin_prop_t *props;
 216     void (*destructor)(jsdisp_t*);
 217     void (*on_put)(jsdisp_t*,const WCHAR*);
 218     unsigned (*idx_length)(jsdisp_t*);
 219     HRESULT (*idx_get)(jsdisp_t*,unsigned,jsval_t*);
 220     HRESULT (*idx_put)(jsdisp_t*,unsigned,jsval_t);
 221 } builtin_info_t;
 222
 223 struct jsdisp_t {
 224     IDispatchEx IDispatchEx_iface;
 225
 226     LONG ref;
 227
 228     DWORD buf_size;
 229     DWORD prop_cnt;
 230     dispex_prop_t *props;
 231     script_ctx_t *ctx;
 232
 233     jsdisp_t *prototype;
 234
 235     const builtin_info_t *builtin_info;
 236 };
 237
 238 static inline IDispatch *to_disp(jsdisp_t *jsdisp)
 239 {
 240     return (IDispatch*)&jsdisp->IDispatchEx_iface;
 241 }
 242
 243 jsdisp_t *as_jsdisp(IDispatch*) DECLSPEC_HIDDEN;
 244 jsdisp_t *to_jsdisp(IDispatch*) DECLSPEC_HIDDEN;
 245 void jsdisp_free(jsdisp_t*) DECLSPEC_HIDDEN;
 246
 247 #ifndef TRACE_REFCNT
 248
 249 /*
 250  * We do a lot of refcount calls during script execution, so having an inline
 251  * version is a nice perf win. Define TRACE_REFCNT macro when debugging
 252  * refcount bugs to have traces. Also, since jsdisp_t is not thread safe anyways,
 253  * there is no point in using atomic operations.
 254  */
 255 static inline jsdisp_t *jsdisp_addref(jsdisp_t *jsdisp)
 256 {
 257     jsdisp->ref++;
 258     return jsdisp;
 259 }
 260
 261 static inline void jsdisp_release(jsdisp_t *jsdisp)
 262 {
 263     if(!--jsdisp->ref)
 264         jsdisp_free(jsdisp);
 265 }
 266
 267 #else
 268
 269 jsdisp_t *jsdisp_addref(jsdisp_t*) DECLSPEC_HIDDEN;
 270 void jsdisp_release(jsdisp_t*) DECLSPEC_HIDDEN;
 271
 272 #endif
 273
 274 HRESULT create_dispex(script_ctx_t*,const builtin_info_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 275 HRESULT init_dispex(jsdisp_t*,script_ctx_t*,const builtin_info_t*,jsdisp_t*) DECLSPEC_HIDDEN;
 276 HRESULT init_dispex_from_constr(jsdisp_t*,script_ctx_t*,const builtin_info_t*,jsdisp_t*) DECLSPEC_HIDDEN;
 277
 278 HRESULT disp_call(script_ctx_t*,IDispatch*,DISPID,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 279 HRESULT disp_call_value(script_ctx_t*,IDispatch*,IDispatch*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 280 HRESULT jsdisp_call_value(jsdisp_t*,IDispatch*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 281 HRESULT jsdisp_call(jsdisp_t*,DISPID,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 282 HRESULT jsdisp_call_name(jsdisp_t*,const WCHAR*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 283 HRESULT disp_propget(script_ctx_t*,IDispatch*,DISPID,jsval_t*) DECLSPEC_HIDDEN;
 284 HRESULT disp_propput(script_ctx_t*,IDispatch*,DISPID,jsval_t) DECLSPEC_HIDDEN;
 285 HRESULT jsdisp_propget(jsdisp_t*,DISPID,jsval_t*) DECLSPEC_HIDDEN;
 286 HRESULT jsdisp_propput(jsdisp_t*,const WCHAR*,DWORD,jsval_t) DECLSPEC_HIDDEN;
 287 HRESULT jsdisp_propput_name(jsdisp_t*,const WCHAR*,jsval_t) DECLSPEC_HIDDEN;
 288 HRESULT jsdisp_propput_const(jsdisp_t*,const WCHAR*,jsval_t) DECLSPEC_HIDDEN;
 289 HRESULT jsdisp_propput_dontenum(jsdisp_t*,const WCHAR*,jsval_t) DECLSPEC_HIDDEN;
 290 HRESULT jsdisp_propput_idx(jsdisp_t*,DWORD,jsval_t) DECLSPEC_HIDDEN;
 291 HRESULT jsdisp_propget_name(jsdisp_t*,LPCWSTR,jsval_t*) DECLSPEC_HIDDEN;
 292 HRESULT jsdisp_get_idx(jsdisp_t*,DWORD,jsval_t*) DECLSPEC_HIDDEN;
 293 HRESULT jsdisp_get_id(jsdisp_t*,const WCHAR*,DWORD,DISPID*) DECLSPEC_HIDDEN;
 294 HRESULT disp_delete(IDispatch*,DISPID,BOOL*) DECLSPEC_HIDDEN;
 295 HRESULT disp_delete_name(script_ctx_t*,IDispatch*,jsstr_t*,BOOL*) DECLSPEC_HIDDEN;
 296 HRESULT jsdisp_delete_idx(jsdisp_t*,DWORD) DECLSPEC_HIDDEN;
 297 HRESULT jsdisp_is_own_prop(jsdisp_t*,const WCHAR*,BOOL*) DECLSPEC_HIDDEN;
 298 HRESULT jsdisp_is_enumerable(jsdisp_t*,const WCHAR*,BOOL*) DECLSPEC_HIDDEN;
 299
 300 HRESULT create_builtin_function(script_ctx_t*,builtin_invoke_t,const WCHAR*,const builtin_info_t*,DWORD,
 301         jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 302 HRESULT create_builtin_constructor(script_ctx_t*,builtin_invoke_t,const WCHAR*,const builtin_info_t*,DWORD,
 303         jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 304 HRESULT Function_invoke(jsdisp_t*,IDispatch*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 305
 306 HRESULT Function_value(script_ctx_t*,vdisp_t*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 307 HRESULT Function_get_value(script_ctx_t*,jsdisp_t*,jsval_t*) DECLSPEC_HIDDEN;
 308 #define DEFAULT_FUNCTION_VALUE {NULL, Function_value,0, Function_get_value}
 309
 310 HRESULT throw_eval_error(script_ctx_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
 311 HRESULT throw_generic_error(script_ctx_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
 312 HRESULT throw_range_error(script_ctx_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
 313 HRESULT throw_reference_error(script_ctx_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
 314 HRESULT throw_regexp_error(script_ctx_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
 315 HRESULT throw_syntax_error(script_ctx_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
 316 HRESULT throw_type_error(script_ctx_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
 317 HRESULT throw_uri_error(script_ctx_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
 318
 319 HRESULT create_object(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 320 HRESULT create_math(script_ctx_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 321 HRESULT create_array(script_ctx_t*,DWORD,jsdisp_t**) DECLSPEC_HIDDEN;
 322 HRESULT create_regexp(script_ctx_t*,jsstr_t*,DWORD,jsdisp_t**) DECLSPEC_HIDDEN;
 323 HRESULT create_regexp_var(script_ctx_t*,jsval_t,jsval_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 324 HRESULT create_string(script_ctx_t*,jsstr_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 325 HRESULT create_bool(script_ctx_t*,BOOL,jsdisp_t**) DECLSPEC_HIDDEN;
 326 HRESULT create_number(script_ctx_t*,double,jsdisp_t**) DECLSPEC_HIDDEN;
 327 HRESULT create_vbarray(script_ctx_t*,SAFEARRAY*,jsdisp_t**) DECLSPEC_HIDDEN;
 328 HRESULT create_json(script_ctx_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 329
 330 typedef enum {
 331     NO_HINT,
 332     HINT_STRING,
 333     HINT_NUMBER
 334 } hint_t;
 335
 336 HRESULT to_primitive(script_ctx_t*,jsval_t,jsval_t*, hint_t) DECLSPEC_HIDDEN;
 337 HRESULT to_boolean(jsval_t,BOOL*) DECLSPEC_HIDDEN;
 338 HRESULT to_number(script_ctx_t*,jsval_t,double*) DECLSPEC_HIDDEN;
 339 HRESULT to_integer(script_ctx_t*,jsval_t,double*) DECLSPEC_HIDDEN;
 340 HRESULT to_int32(script_ctx_t*,jsval_t,INT*) DECLSPEC_HIDDEN;
 341 HRESULT to_uint32(script_ctx_t*,jsval_t,UINT32*) DECLSPEC_HIDDEN;
 342 HRESULT to_string(script_ctx_t*,jsval_t,jsstr_t**) DECLSPEC_HIDDEN;
 343 HRESULT to_flat_string(script_ctx_t*,jsval_t,jsstr_t**,const WCHAR**) DECLSPEC_HIDDEN;
 344 HRESULT to_object(script_ctx_t*,jsval_t,IDispatch**) DECLSPEC_HIDDEN;
 345
 346 HRESULT variant_change_type(script_ctx_t*,VARIANT*,VARIANT*,VARTYPE) DECLSPEC_HIDDEN;
 347
 348 HRESULT decode_source(WCHAR*) DECLSPEC_HIDDEN;
 349
 350 HRESULT double_to_string(double,jsstr_t**) DECLSPEC_HIDDEN;
 351 BOOL is_finite(double) DECLSPEC_HIDDEN;
 352
 353 typedef struct named_item_t {
 354     IDispatch *disp;
 355     DWORD flags;
 356     LPWSTR name;
 357
 358     struct named_item_t *next;
 359 } named_item_t;
 360
 361 typedef struct _cc_var_t cc_var_t;
 362
 363 typedef struct {
 364     cc_var_t *vars;
 365 } cc_ctx_t;
 366
 367 void release_cc(cc_ctx_t*) DECLSPEC_HIDDEN;
 368
 369 typedef struct {
 370     IServiceProvider IServiceProvider_iface;
 371
 372     LONG ref;
 373
 374     script_ctx_t *ctx;
 375 } JSCaller;
 376
 377 #include "jsval.h"
 378
 379 typedef struct {
 380     EXCEPINFO ei;
 381     jsval_t val;
 382 } jsexcept_t;
 383
 384 typedef struct {
 385     unsigned index;
 386     unsigned length;
 387 } match_result_t;
 388
 389 struct _script_ctx_t {
 390     LONG ref;
 391
 392     SCRIPTSTATE state;
 393     IActiveScript *active_script;
 394
 395     struct _call_frame_t *call_ctx;
 396     named_item_t *named_items;
 397     IActiveScriptSite *site;
 398     IInternetHostSecurityManager *secmgr;
 399     DWORD safeopt;
 400     DWORD version;
 401     LCID lcid;
 402     cc_ctx_t *cc;
 403     JSCaller *jscaller;
 404     jsexcept_t ei;
 405
 406     heap_pool_t tmp_heap;
 407
 408     IDispatch *host_global;
 409
 410     jsval_t *stack;
 411     unsigned stack_size;
 412     unsigned stack_top;
 413
 414     jsstr_t *last_match;
 415     match_result_t match_parens[9];
 416     DWORD last_match_index;
 417     DWORD last_match_length;
 418
 419     jsdisp_t *global;
 420     jsdisp_t *function_constr;
 421     jsdisp_t *array_constr;
 422     jsdisp_t *bool_constr;
 423     jsdisp_t *date_constr;
 424     jsdisp_t *error_constr;
 425     jsdisp_t *eval_error_constr;
 426     jsdisp_t *range_error_constr;
 427     jsdisp_t *reference_error_constr;
 428     jsdisp_t *regexp_error_constr;
 429     jsdisp_t *syntax_error_constr;
 430     jsdisp_t *type_error_constr;
 431     jsdisp_t *uri_error_constr;
 432     jsdisp_t *number_constr;
 433     jsdisp_t *object_constr;
 434     jsdisp_t *regexp_constr;
 435     jsdisp_t *string_constr;
 436     jsdisp_t *vbarray_constr;
 437 };
 438
 439 void script_release(script_ctx_t*) DECLSPEC_HIDDEN;
 440 void clear_ei(script_ctx_t*) DECLSPEC_HIDDEN;
 441
 442 static inline void script_addref(script_ctx_t *ctx)
 443 {
 444     ctx->ref++;
 445 }
 446
 447 HRESULT init_global(script_ctx_t*) DECLSPEC_HIDDEN;
 448 HRESULT init_function_constr(script_ctx_t*,jsdisp_t*) DECLSPEC_HIDDEN;
 449 HRESULT create_object_prototype(script_ctx_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 450
 451 HRESULT create_activex_constr(script_ctx_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 452 HRESULT create_array_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 453 HRESULT create_bool_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 454 HRESULT create_date_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 455 HRESULT init_error_constr(script_ctx_t*,jsdisp_t*) DECLSPEC_HIDDEN;
 456 HRESULT create_number_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 457 HRESULT create_object_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 458 HRESULT create_regexp_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 459 HRESULT create_string_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 460 HRESULT create_vbarray_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 461
 462 IUnknown *create_ax_site(script_ctx_t*) DECLSPEC_HIDDEN;
 463 HRESULT create_jscaller(script_ctx_t*) DECLSPEC_HIDDEN;
 464
 465 #define REM_CHECK_GLOBAL   0x0001
 466 #define REM_RESET_INDEX    0x0002
 467 #define REM_NO_CTX_UPDATE  0x0004
 468 #define REM_ALLOC_RESULT   0x0008
 469 #define REM_NO_PARENS      0x0010
 470 struct match_state_t;
 471 HRESULT regexp_match_next(script_ctx_t*,jsdisp_t*,DWORD,jsstr_t*,struct match_state_t**) DECLSPEC_HIDDEN;
 472 HRESULT parse_regexp_flags(const WCHAR*,DWORD,DWORD*) DECLSPEC_HIDDEN;
 473 HRESULT regexp_string_match(script_ctx_t*,jsdisp_t*,jsstr_t*,jsval_t*) DECLSPEC_HIDDEN;
 474
 475 BOOL bool_obj_value(jsdisp_t*) DECLSPEC_HIDDEN;
 476 unsigned array_get_length(jsdisp_t*) DECLSPEC_HIDDEN;
 477
 478 HRESULT JSGlobal_eval(script_ctx_t*,vdisp_t*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 479
 480 static inline BOOL is_class(jsdisp_t *jsdisp, jsclass_t class)
 481 {
 482     return jsdisp->builtin_info->class == class;
 483 }
 484
 485 static inline BOOL is_vclass(vdisp_t *vdisp, jsclass_t class)
 486 {
 487     return is_jsdisp(vdisp) && is_class(vdisp->u.jsdisp, class);
 488 }
 489
 490 #ifndef INT32_MIN
 491 #define INT32_MIN (-2147483647-1)
 492 #endif
 493
 494 #ifndef INT32_MAX
 495 #define INT32_MAX (2147483647)
 496 #endif
 497
 498 static inline BOOL is_int32(double d)
 499 {
 500     return INT32_MIN <= d && d <= INT32_MAX && (double)(int)d == d;
 501 }
 502
 503 static inline DWORD make_grfdex(script_ctx_t *ctx, DWORD flags)
 504 {
 505     return (ctx->version << 28) | flags;
 506 }
 507
 508 #define FACILITY_JSCRIPT 10
 509
 510 #define MAKE_JSERROR(code) MAKE_HRESULT(SEVERITY_ERROR, FACILITY_JSCRIPT, code)
 511
 512 #define JS_E_TO_PRIMITIVE            MAKE_JSERROR(IDS_TO_PRIMITIVE)
 513 #define JS_E_INVALIDARG              MAKE_JSERROR(IDS_INVALID_CALL_ARG)
 514 #define JS_E_SUBSCRIPT_OUT_OF_RANGE  MAKE_JSERROR(IDS_SUBSCRIPT_OUT_OF_RANGE)
 515 #define JS_E_OBJECT_REQUIRED         MAKE_JSERROR(IDS_OBJECT_REQUIRED)
 516 #define JS_E_CANNOT_CREATE_OBJ       MAKE_JSERROR(IDS_CREATE_OBJ_ERROR)
 517 #define JS_E_INVALID_PROPERTY        MAKE_JSERROR(IDS_NO_PROPERTY)
 518 #define JS_E_INVALID_ACTION          MAKE_JSERROR(IDS_UNSUPPORTED_ACTION)
 519 #define JS_E_MISSING_ARG             MAKE_JSERROR(IDS_ARG_NOT_OPT)
 520 #define JS_E_SYNTAX                  MAKE_JSERROR(IDS_SYNTAX_ERROR)
 521 #define JS_E_MISSING_SEMICOLON       MAKE_JSERROR(IDS_SEMICOLON)
 522 #define JS_E_MISSING_LBRACKET        MAKE_JSERROR(IDS_LBRACKET)
 523 #define JS_E_MISSING_RBRACKET        MAKE_JSERROR(IDS_RBRACKET)
 524 #define JS_E_EXPECTED_IDENTIFIER     MAKE_JSERROR(IDS_EXPECTED_IDENTIFIER)
 525 #define JS_E_EXPECTED_ASSIGN         MAKE_JSERROR(IDS_EXPECTED_ASSIGN)
 526 #define JS_E_INVALID_CHAR            MAKE_JSERROR(IDS_INVALID_CHAR)
 527 #define JS_E_UNTERMINATED_STRING     MAKE_JSERROR(IDS_UNTERMINATED_STR)
 528 #define JS_E_MISPLACED_RETURN        MAKE_JSERROR(IDS_MISPLACED_RETURN)
 529 #define JS_E_INVALID_BREAK           MAKE_JSERROR(IDS_INVALID_BREAK)
 530 #define JS_E_INVALID_CONTINUE        MAKE_JSERROR(IDS_INVALID_CONTINUE)
 531 #define JS_E_LABEL_REDEFINED         MAKE_JSERROR(IDS_LABEL_REDEFINED)
 532 #define JS_E_LABEL_NOT_FOUND         MAKE_JSERROR(IDS_LABEL_NOT_FOUND)
 533 #define JS_E_EXPECTED_CCEND          MAKE_JSERROR(IDS_EXPECTED_CCEND)
 534 #define JS_E_DISABLED_CC             MAKE_JSERROR(IDS_DISABLED_CC)
 535 #define JS_E_EXPECTED_AT             MAKE_JSERROR(IDS_EXPECTED_AT)
 536 #define JS_E_FUNCTION_EXPECTED       MAKE_JSERROR(IDS_NOT_FUNC)
 537 #define JS_E_DATE_EXPECTED           MAKE_JSERROR(IDS_NOT_DATE)
 538 #define JS_E_NUMBER_EXPECTED         MAKE_JSERROR(IDS_NOT_NUM)
 539 #define JS_E_OBJECT_EXPECTED         MAKE_JSERROR(IDS_OBJECT_EXPECTED)
 540 #define JS_E_ILLEGAL_ASSIGN          MAKE_JSERROR(IDS_ILLEGAL_ASSIGN)
 541 #define JS_E_UNDEFINED_VARIABLE      MAKE_JSERROR(IDS_UNDEFINED)
 542 #define JS_E_BOOLEAN_EXPECTED        MAKE_JSERROR(IDS_NOT_BOOL)
 543 #define JS_E_VBARRAY_EXPECTED        MAKE_JSERROR(IDS_NOT_VBARRAY)
 544 #define JS_E_INVALID_DELETE          MAKE_JSERROR(IDS_INVALID_DELETE)
 545 #define JS_E_JSCRIPT_EXPECTED        MAKE_JSERROR(IDS_JSCRIPT_EXPECTED)
 546 #define JS_E_REGEXP_SYNTAX           MAKE_JSERROR(IDS_REGEXP_SYNTAX_ERROR)
 547 #define JS_E_INVALID_URI_CODING      MAKE_JSERROR(IDS_URI_INVALID_CODING)
 548 #define JS_E_INVALID_URI_CHAR        MAKE_JSERROR(IDS_URI_INVALID_CHAR)
 549 #define JS_E_FRACTION_DIGITS_OUT_OF_RANGE MAKE_JSERROR(IDS_FRACTION_DIGITS_OUT_OF_RANGE)
 550 #define JS_E_PRECISION_OUT_OF_RANGE  MAKE_JSERROR(IDS_PRECISION_OUT_OF_RANGE)
 551 #define JS_E_INVALID_LENGTH          MAKE_JSERROR(IDS_INVALID_LENGTH)
 552 #define JS_E_ARRAY_EXPECTED          MAKE_JSERROR(IDS_ARRAY_EXPECTED)
 553
 554 static inline BOOL is_jscript_error(HRESULT hres)
 555 {
 556     return HRESULT_FACILITY(hres) == FACILITY_JSCRIPT;
 557 }
 558
 559 const char *debugstr_jsval(const jsval_t) DECLSPEC_HIDDEN;
 560
 561 HRESULT create_jscript_object(BOOL,REFIID,void**) DECLSPEC_HIDDEN;
 562
 563 extern LONG module_ref DECLSPEC_HIDDEN;
 564
 565 static inline void lock_module(void)
 566 {
 567     InterlockedIncrement(&module_ref);
 568 }
 569
 570 static inline void unlock_module(void)
 571 {
 572     InterlockedDecrement(&module_ref);
 573 }