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