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 and ES6 compatible mode. Allowed only in HTML mode.
  46  */
  47 #define SCRIPTLANGUAGEVERSION_ES5  0x102
  48 #define SCRIPTLANGUAGEVERSION_ES6  0x103
  49
  50 typedef struct _jsval_t jsval_t;
  51 typedef struct _jsstr_t jsstr_t;
  52 typedef struct _jsexcept_t jsexcept_t;
  53 typedef struct _script_ctx_t script_ctx_t;
  54 typedef struct _dispex_prop_t dispex_prop_t;
  55 typedef struct _property_desc_t property_desc_t;
  56
  57 typedef struct {
  58     void **blocks;
  59     DWORD block_cnt;
  60     DWORD last_block;
  61     DWORD offset;
  62     BOOL mark;
  63     struct list custom_blocks;
  64 } heap_pool_t;
  65
  66 void heap_pool_init(heap_pool_t*) DECLSPEC_HIDDEN;
  67 void *heap_pool_alloc(heap_pool_t*,DWORD) __WINE_ALLOC_SIZE(2) DECLSPEC_HIDDEN;
  68 void *heap_pool_grow(heap_pool_t*,void*,DWORD,DWORD) DECLSPEC_HIDDEN;
  69 void heap_pool_clear(heap_pool_t*) DECLSPEC_HIDDEN;
  70 void heap_pool_free(heap_pool_t*) DECLSPEC_HIDDEN;
  71 heap_pool_t *heap_pool_mark(heap_pool_t*) DECLSPEC_HIDDEN;
  72
  73 static inline LPWSTR heap_strdupW(LPCWSTR str)
  74 {
  75     LPWSTR ret = NULL;
  76
  77     if(str) {
  78         DWORD size;
  79
  80         size = (lstrlenW(str)+1)*sizeof(WCHAR);
  81         ret = heap_alloc(size);
  82         if(ret)
  83             memcpy(ret, str, size);
  84     }
  85
  86     return ret;
  87 }
  88
  89 typedef struct jsdisp_t jsdisp_t;
  90
  91 extern HINSTANCE jscript_hinstance DECLSPEC_HIDDEN;
  92 HRESULT get_dispatch_typeinfo(ITypeInfo**) DECLSPEC_HIDDEN;
  93
  94 #define PROPF_ARGMASK       0x00ff
  95 #define PROPF_METHOD        0x0100
  96 #define PROPF_CONSTR        0x0200
  97
  98 #define PROPF_ENUMERABLE    0x0400
  99 #define PROPF_WRITABLE      0x0800
 100 #define PROPF_CONFIGURABLE  0x1000
 101 #define PROPF_ALL           (PROPF_ENUMERABLE | PROPF_WRITABLE | PROPF_CONFIGURABLE)
 102
 103 #define PROPF_VERSION_MASK  0x01ff0000
 104 #define PROPF_VERSION_SHIFT 16
 105 #define PROPF_HTML          (SCRIPTLANGUAGEVERSION_HTML << PROPF_VERSION_SHIFT)
 106 #define PROPF_ES5           ((SCRIPTLANGUAGEVERSION_HTML|SCRIPTLANGUAGEVERSION_ES5) << PROPF_VERSION_SHIFT)
 107 #define PROPF_ES6           ((SCRIPTLANGUAGEVERSION_HTML|SCRIPTLANGUAGEVERSION_ES6) << PROPF_VERSION_SHIFT)
 108
 109 /*
 110  * This is our internal dispatch flag informing calee that it's called directly from interpreter.
 111  * If calee is executed as interpreted function, we may let already running interpreter to take
 112  * of execution.
 113  */
 114 #define DISPATCH_JSCRIPT_CALLEREXECSSOURCE  0x8000
 115 #define DISPATCH_JSCRIPT_INTERNAL_MASK      DISPATCH_JSCRIPT_CALLEREXECSSOURCE
 116
 117 /* NOTE: Keep in sync with names in Object.toString implementation */
 118 typedef enum {
 119     JSCLASS_NONE,
 120     JSCLASS_ARRAY,
 121     JSCLASS_BOOLEAN,
 122     JSCLASS_DATE,
 123     JSCLASS_ENUMERATOR,
 124     JSCLASS_ERROR,
 125     JSCLASS_FUNCTION,
 126     JSCLASS_GLOBAL,
 127     JSCLASS_MATH,
 128     JSCLASS_NUMBER,
 129     JSCLASS_OBJECT,
 130     JSCLASS_REGEXP,
 131     JSCLASS_STRING,
 132     JSCLASS_ARGUMENTS,
 133     JSCLASS_VBARRAY,
 134     JSCLASS_JSON,
 135     JSCLASS_MAP,
 136     JSCLASS_SET,
 137 } jsclass_t;
 138
 139 jsdisp_t *iface_to_jsdisp(IDispatch*) DECLSPEC_HIDDEN;
 140
 141 typedef struct {
 142     union {
 143         IDispatch *disp;
 144         IDispatchEx *dispex;
 145         jsdisp_t *jsdisp;
 146     } u;
 147     DWORD flags;
 148 } vdisp_t;
 149
 150 #define VDISP_DISPEX  0x0001
 151 #define VDISP_JSDISP  0x0002
 152
 153 static inline void vdisp_release(vdisp_t *vdisp)
 154 {
 155     IDispatch_Release(vdisp->u.disp);
 156 }
 157
 158 static inline BOOL is_jsdisp(vdisp_t *vdisp)
 159 {
 160     return (vdisp->flags & VDISP_JSDISP) != 0;
 161 }
 162
 163 static inline BOOL is_dispex(vdisp_t *vdisp)
 164 {
 165     return (vdisp->flags & VDISP_DISPEX) != 0;
 166 }
 167
 168 static inline void set_jsdisp(vdisp_t *vdisp, jsdisp_t *jsdisp)
 169 {
 170     vdisp->u.jsdisp = jsdisp;
 171     vdisp->flags = VDISP_JSDISP | VDISP_DISPEX;
 172     IDispatch_AddRef(vdisp->u.disp);
 173 }
 174
 175 static inline void set_disp(vdisp_t *vdisp, IDispatch *disp)
 176 {
 177     IDispatchEx *dispex;
 178     jsdisp_t *jsdisp;
 179     HRESULT hres;
 180
 181     jsdisp = iface_to_jsdisp(disp);
 182     if(jsdisp) {
 183         vdisp->u.jsdisp = jsdisp;
 184         vdisp->flags = VDISP_JSDISP | VDISP_DISPEX;
 185         return;
 186     }
 187
 188     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
 189     if(SUCCEEDED(hres)) {
 190         vdisp->u.dispex = dispex;
 191         vdisp->flags = VDISP_DISPEX;
 192         return;
 193     }
 194
 195     IDispatch_AddRef(disp);
 196     vdisp->u.disp = disp;
 197     vdisp->flags = 0;
 198 }
 199
 200 static inline jsdisp_t *get_jsdisp(vdisp_t *vdisp)
 201 {
 202     return is_jsdisp(vdisp) ? vdisp->u.jsdisp : NULL;
 203 }
 204
 205 typedef HRESULT (*builtin_invoke_t)(script_ctx_t*,vdisp_t*,WORD,unsigned,jsval_t*,jsval_t*);
 206 typedef HRESULT (*builtin_getter_t)(script_ctx_t*,jsdisp_t*,jsval_t*);
 207 typedef HRESULT (*builtin_setter_t)(script_ctx_t*,jsdisp_t*,jsval_t);
 208
 209 HRESULT builtin_set_const(script_ctx_t*,jsdisp_t*,jsval_t) DECLSPEC_HIDDEN;
 210
 211 typedef struct named_item_t {
 212     jsdisp_t *script_obj;
 213     IDispatch *disp;
 214     unsigned ref;
 215     DWORD flags;
 216     LPWSTR name;
 217
 218     struct list entry;
 219 } named_item_t;
 220
 221 HRESULT create_named_item_script_obj(script_ctx_t*,named_item_t*) DECLSPEC_HIDDEN;
 222 named_item_t *lookup_named_item(script_ctx_t*,const WCHAR*,unsigned) DECLSPEC_HIDDEN;
 223 void release_named_item(named_item_t*) DECLSPEC_HIDDEN;
 224
 225 typedef struct {
 226     const WCHAR *name;
 227     builtin_invoke_t invoke;
 228     DWORD flags;
 229     builtin_getter_t getter;
 230     builtin_setter_t setter;
 231 } builtin_prop_t;
 232
 233 typedef struct {
 234     jsclass_t class;
 235     builtin_invoke_t call;
 236     DWORD props_cnt;
 237     const builtin_prop_t *props;
 238     void (*destructor)(jsdisp_t*);
 239     void (*on_put)(jsdisp_t*,const WCHAR*);
 240     unsigned (*idx_length)(jsdisp_t*);
 241     HRESULT (*idx_get)(jsdisp_t*,unsigned,jsval_t*);
 242     HRESULT (*idx_put)(jsdisp_t*,unsigned,jsval_t);
 243 } builtin_info_t;
 244
 245 struct jsdisp_t {
 246     IDispatchEx IDispatchEx_iface;
 247
 248     LONG ref;
 249
 250     DWORD buf_size;
 251     DWORD prop_cnt;
 252     dispex_prop_t *props;
 253     script_ctx_t *ctx;
 254     BOOL extensible;
 255
 256     jsdisp_t *prototype;
 257
 258     const builtin_info_t *builtin_info;
 259 };
 260
 261 static inline IDispatch *to_disp(jsdisp_t *jsdisp)
 262 {
 263     return (IDispatch*)&jsdisp->IDispatchEx_iface;
 264 }
 265
 266 jsdisp_t *as_jsdisp(IDispatch*) DECLSPEC_HIDDEN;
 267 jsdisp_t *to_jsdisp(IDispatch*) DECLSPEC_HIDDEN;
 268 void jsdisp_free(jsdisp_t*) DECLSPEC_HIDDEN;
 269
 270 #ifndef TRACE_REFCNT
 271
 272 /*
 273  * We do a lot of refcount calls during script execution, so having an inline
 274  * version is a nice perf win. Define TRACE_REFCNT macro when debugging
 275  * refcount bugs to have traces. Also, since jsdisp_t is not thread safe anyways,
 276  * there is no point in using atomic operations.
 277  */
 278 static inline jsdisp_t *jsdisp_addref(jsdisp_t *jsdisp)
 279 {
 280     jsdisp->ref++;
 281     return jsdisp;
 282 }
 283
 284 static inline void jsdisp_release(jsdisp_t *jsdisp)
 285 {
 286     if(!--jsdisp->ref)
 287         jsdisp_free(jsdisp);
 288 }
 289
 290 #else
 291
 292 jsdisp_t *jsdisp_addref(jsdisp_t*) DECLSPEC_HIDDEN;
 293 void jsdisp_release(jsdisp_t*) DECLSPEC_HIDDEN;
 294
 295 #endif
 296
 297 enum jsdisp_enum_type {
 298     JSDISP_ENUM_ALL,
 299     JSDISP_ENUM_OWN,
 300     JSDISP_ENUM_OWN_ENUMERABLE
 301 };
 302
 303 HRESULT create_dispex(script_ctx_t*,const builtin_info_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 304 HRESULT init_dispex(jsdisp_t*,script_ctx_t*,const builtin_info_t*,jsdisp_t*) DECLSPEC_HIDDEN;
 305 HRESULT init_dispex_from_constr(jsdisp_t*,script_ctx_t*,const builtin_info_t*,jsdisp_t*) DECLSPEC_HIDDEN;
 306
 307 HRESULT disp_call(script_ctx_t*,IDispatch*,DISPID,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 308 HRESULT disp_call_value(script_ctx_t*,IDispatch*,IDispatch*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 309 HRESULT jsdisp_call_value(jsdisp_t*,IDispatch*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 310 HRESULT jsdisp_call(jsdisp_t*,DISPID,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 311 HRESULT jsdisp_call_name(jsdisp_t*,const WCHAR*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 312 HRESULT disp_propget(script_ctx_t*,IDispatch*,DISPID,jsval_t*) DECLSPEC_HIDDEN;
 313 HRESULT disp_propput(script_ctx_t*,IDispatch*,DISPID,jsval_t) DECLSPEC_HIDDEN;
 314 HRESULT disp_propput_name(script_ctx_t*,IDispatch*,const WCHAR*,jsval_t) DECLSPEC_HIDDEN;
 315 HRESULT jsdisp_propget(jsdisp_t*,DISPID,jsval_t*) DECLSPEC_HIDDEN;
 316 HRESULT jsdisp_propput(jsdisp_t*,const WCHAR*,DWORD,BOOL,jsval_t) DECLSPEC_HIDDEN;
 317 HRESULT jsdisp_propput_name(jsdisp_t*,const WCHAR*,jsval_t) DECLSPEC_HIDDEN;
 318 HRESULT jsdisp_propput_idx(jsdisp_t*,DWORD,jsval_t) DECLSPEC_HIDDEN;
 319 HRESULT jsdisp_propget_name(jsdisp_t*,LPCWSTR,jsval_t*) DECLSPEC_HIDDEN;
 320 HRESULT jsdisp_get_idx(jsdisp_t*,DWORD,jsval_t*) DECLSPEC_HIDDEN;
 321 HRESULT jsdisp_get_id(jsdisp_t*,const WCHAR*,DWORD,DISPID*) DECLSPEC_HIDDEN;
 322 HRESULT disp_delete(IDispatch*,DISPID,BOOL*) DECLSPEC_HIDDEN;
 323 HRESULT disp_delete_name(script_ctx_t*,IDispatch*,jsstr_t*,BOOL*) DECLSPEC_HIDDEN;
 324 HRESULT jsdisp_delete_idx(jsdisp_t*,DWORD) DECLSPEC_HIDDEN;
 325 HRESULT jsdisp_get_own_property(jsdisp_t*,const WCHAR*,BOOL,property_desc_t*) DECLSPEC_HIDDEN;
 326 HRESULT jsdisp_define_property(jsdisp_t*,const WCHAR*,property_desc_t*) DECLSPEC_HIDDEN;
 327 HRESULT jsdisp_define_data_property(jsdisp_t*,const WCHAR*,unsigned,jsval_t) DECLSPEC_HIDDEN;
 328 HRESULT jsdisp_next_prop(jsdisp_t*,DISPID,enum jsdisp_enum_type,DISPID*) DECLSPEC_HIDDEN;
 329 HRESULT jsdisp_get_prop_name(jsdisp_t*,DISPID,jsstr_t**);
 330 HRESULT jsdisp_change_prototype(jsdisp_t*,jsdisp_t*) DECLSPEC_HIDDEN;
 331 void jsdisp_freeze(jsdisp_t*,BOOL) DECLSPEC_HIDDEN;
 332 BOOL jsdisp_is_frozen(jsdisp_t*,BOOL) DECLSPEC_HIDDEN;
 333
 334 HRESULT create_builtin_function(script_ctx_t*,builtin_invoke_t,const WCHAR*,const builtin_info_t*,DWORD,
 335         jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 336 HRESULT create_builtin_constructor(script_ctx_t*,builtin_invoke_t,const WCHAR*,const builtin_info_t*,DWORD,
 337         jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 338 HRESULT Function_invoke(jsdisp_t*,IDispatch*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 339
 340 HRESULT Function_value(script_ctx_t*,vdisp_t*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 341 HRESULT Function_get_value(script_ctx_t*,jsdisp_t*,jsval_t*) DECLSPEC_HIDDEN;
 342 struct _function_code_t *Function_get_code(jsdisp_t*) DECLSPEC_HIDDEN;
 343
 344 HRESULT throw_error(script_ctx_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
 345 jsdisp_t *create_builtin_error(script_ctx_t *ctx) DECLSPEC_HIDDEN;
 346
 347 HRESULT create_object(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 348 HRESULT create_math(script_ctx_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 349 HRESULT create_array(script_ctx_t*,DWORD,jsdisp_t**) DECLSPEC_HIDDEN;
 350 HRESULT create_regexp(script_ctx_t*,jsstr_t*,DWORD,jsdisp_t**) DECLSPEC_HIDDEN;
 351 HRESULT create_regexp_var(script_ctx_t*,jsval_t,jsval_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 352 HRESULT create_string(script_ctx_t*,jsstr_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 353 HRESULT create_bool(script_ctx_t*,BOOL,jsdisp_t**) DECLSPEC_HIDDEN;
 354 HRESULT create_number(script_ctx_t*,double,jsdisp_t**) DECLSPEC_HIDDEN;
 355 HRESULT create_vbarray(script_ctx_t*,SAFEARRAY*,jsdisp_t**) DECLSPEC_HIDDEN;
 356 HRESULT create_json(script_ctx_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 357
 358 typedef enum {
 359     NO_HINT,
 360     HINT_STRING,
 361     HINT_NUMBER
 362 } hint_t;
 363
 364 HRESULT to_primitive(script_ctx_t*,jsval_t,jsval_t*, hint_t) DECLSPEC_HIDDEN;
 365 HRESULT to_boolean(jsval_t,BOOL*) DECLSPEC_HIDDEN;
 366 HRESULT to_number(script_ctx_t*,jsval_t,double*) DECLSPEC_HIDDEN;
 367 HRESULT to_integer(script_ctx_t*,jsval_t,double*) DECLSPEC_HIDDEN;
 368 HRESULT to_int32(script_ctx_t*,jsval_t,INT*) DECLSPEC_HIDDEN;
 369 HRESULT to_uint32(script_ctx_t*,jsval_t,UINT32*) DECLSPEC_HIDDEN;
 370 HRESULT to_string(script_ctx_t*,jsval_t,jsstr_t**) DECLSPEC_HIDDEN;
 371 HRESULT to_flat_string(script_ctx_t*,jsval_t,jsstr_t**,const WCHAR**) DECLSPEC_HIDDEN;
 372 HRESULT to_object(script_ctx_t*,jsval_t,IDispatch**) DECLSPEC_HIDDEN;
 373
 374 HRESULT jsval_strict_equal(jsval_t,jsval_t,BOOL*) DECLSPEC_HIDDEN;
 375
 376 HRESULT variant_change_type(script_ctx_t*,VARIANT*,VARIANT*,VARTYPE) DECLSPEC_HIDDEN;
 377 HRESULT variant_date_to_number(double,double*) DECLSPEC_HIDDEN;
 378 HRESULT variant_date_to_string(script_ctx_t*,double,jsstr_t**) DECLSPEC_HIDDEN;
 379
 380 HRESULT decode_source(WCHAR*) DECLSPEC_HIDDEN;
 381
 382 HRESULT double_to_string(double,jsstr_t**) DECLSPEC_HIDDEN;
 383
 384 static inline BOOL is_digit(WCHAR c)
 385 {
 386     return '0' <= c && c <= '9';
 387 }
 388
 389 typedef struct _cc_var_t cc_var_t;
 390
 391 typedef struct {
 392     cc_var_t *vars;
 393 } cc_ctx_t;
 394
 395 void release_cc(cc_ctx_t*) DECLSPEC_HIDDEN;
 396
 397 typedef struct {
 398     IServiceProvider IServiceProvider_iface;
 399
 400     LONG ref;
 401
 402     script_ctx_t *ctx;
 403 } JSCaller;
 404
 405 #include "jsval.h"
 406
 407 struct _property_desc_t {
 408     unsigned flags;
 409     unsigned mask;
 410     BOOL explicit_value;
 411     jsval_t value;
 412     BOOL explicit_getter;
 413     jsdisp_t *getter;
 414     BOOL explicit_setter;
 415     jsdisp_t *setter;
 416 };
 417
 418 typedef struct {
 419     unsigned index;
 420     unsigned length;
 421 } match_result_t;
 422
 423 struct _script_ctx_t {
 424     LONG ref;
 425
 426     SCRIPTSTATE state;
 427     IActiveScript *active_script;
 428
 429     struct _call_frame_t *call_ctx;
 430     struct list named_items;
 431     IActiveScriptSite *site;
 432     IInternetHostSecurityManager *secmgr;
 433     DWORD safeopt;
 434     DWORD version;
 435     BOOL html_mode;
 436     LCID lcid;
 437     cc_ctx_t *cc;
 438     JSCaller *jscaller;
 439     jsexcept_t *ei;
 440
 441     heap_pool_t tmp_heap;
 442
 443     jsval_t *stack;
 444     unsigned stack_top;
 445     jsval_t acc;
 446
 447     jsstr_t *last_match;
 448     match_result_t match_parens[9];
 449     DWORD last_match_index;
 450     DWORD last_match_length;
 451
 452     jsdisp_t *global;
 453     jsdisp_t *function_constr;
 454     jsdisp_t *array_constr;
 455     jsdisp_t *bool_constr;
 456     jsdisp_t *date_constr;
 457     jsdisp_t *enumerator_constr;
 458     jsdisp_t *error_constr;
 459     jsdisp_t *eval_error_constr;
 460     jsdisp_t *range_error_constr;
 461     jsdisp_t *reference_error_constr;
 462     jsdisp_t *regexp_error_constr;
 463     jsdisp_t *syntax_error_constr;
 464     jsdisp_t *type_error_constr;
 465     jsdisp_t *uri_error_constr;
 466     jsdisp_t *number_constr;
 467     jsdisp_t *object_constr;
 468     jsdisp_t *object_prototype;
 469     jsdisp_t *regexp_constr;
 470     jsdisp_t *string_constr;
 471     jsdisp_t *vbarray_constr;
 472     jsdisp_t *map_prototype;
 473     jsdisp_t *set_prototype;
 474 };
 475
 476 void script_release(script_ctx_t*) DECLSPEC_HIDDEN;
 477
 478 static inline void script_addref(script_ctx_t *ctx)
 479 {
 480     ctx->ref++;
 481 }
 482
 483 HRESULT init_global(script_ctx_t*) DECLSPEC_HIDDEN;
 484 HRESULT init_function_constr(script_ctx_t*,jsdisp_t*) DECLSPEC_HIDDEN;
 485 HRESULT create_object_prototype(script_ctx_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 486 HRESULT init_set_constructor(script_ctx_t*) DECLSPEC_HIDDEN;
 487
 488 HRESULT create_activex_constr(script_ctx_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 489 HRESULT create_array_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 490 HRESULT create_bool_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 491 HRESULT create_date_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 492 HRESULT init_error_constr(script_ctx_t*,jsdisp_t*) DECLSPEC_HIDDEN;
 493 HRESULT create_enumerator_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 494 HRESULT create_number_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 495 HRESULT create_object_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 496 HRESULT create_regexp_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 497 HRESULT create_string_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 498 HRESULT create_vbarray_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 499
 500 IUnknown *create_ax_site(script_ctx_t*) DECLSPEC_HIDDEN;
 501 HRESULT create_jscaller(script_ctx_t*) DECLSPEC_HIDDEN;
 502
 503 #define REM_CHECK_GLOBAL   0x0001
 504 #define REM_RESET_INDEX    0x0002
 505 #define REM_NO_CTX_UPDATE  0x0004
 506 #define REM_ALLOC_RESULT   0x0008
 507 #define REM_NO_PARENS      0x0010
 508 struct match_state_t;
 509 HRESULT regexp_match_next(script_ctx_t*,jsdisp_t*,DWORD,jsstr_t*,struct match_state_t**) DECLSPEC_HIDDEN;
 510 HRESULT parse_regexp_flags(const WCHAR*,DWORD,DWORD*) DECLSPEC_HIDDEN;
 511 HRESULT regexp_string_match(script_ctx_t*,jsdisp_t*,jsstr_t*,jsval_t*) DECLSPEC_HIDDEN;
 512
 513 BOOL bool_obj_value(jsdisp_t*) DECLSPEC_HIDDEN;
 514 unsigned array_get_length(jsdisp_t*) DECLSPEC_HIDDEN;
 515
 516 HRESULT JSGlobal_eval(script_ctx_t*,vdisp_t*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 517
 518 static inline BOOL is_class(jsdisp_t *jsdisp, jsclass_t class)
 519 {
 520     return jsdisp->builtin_info->class == class;
 521 }
 522
 523 static inline BOOL is_vclass(vdisp_t *vdisp, jsclass_t class)
 524 {
 525     return is_jsdisp(vdisp) && is_class(vdisp->u.jsdisp, class);
 526 }
 527
 528 static inline BOOL is_int32(double d)
 529 {
 530     return INT32_MIN <= d && d <= INT32_MAX && (double)(int)d == d;
 531 }
 532
 533 static inline DWORD make_grfdex(script_ctx_t *ctx, DWORD flags)
 534 {
 535     return ((ctx->version & 0xff) << 28) | flags;
 536 }
 537
 538 #define FACILITY_JSCRIPT 10
 539
 540 #define MAKE_JSERROR(code) MAKE_HRESULT(SEVERITY_ERROR, FACILITY_JSCRIPT, code)
 541
 542 #define JS_E_TO_PRIMITIVE            MAKE_JSERROR(IDS_TO_PRIMITIVE)
 543 #define JS_E_INVALIDARG              MAKE_JSERROR(IDS_INVALID_CALL_ARG)
 544 #define JS_E_SUBSCRIPT_OUT_OF_RANGE  MAKE_JSERROR(IDS_SUBSCRIPT_OUT_OF_RANGE)
 545 #define JS_E_STACK_OVERFLOW          MAKE_JSERROR(IDS_STACK_OVERFLOW)
 546 #define JS_E_OBJECT_REQUIRED         MAKE_JSERROR(IDS_OBJECT_REQUIRED)
 547 #define JS_E_CANNOT_CREATE_OBJ       MAKE_JSERROR(IDS_CREATE_OBJ_ERROR)
 548 #define JS_E_INVALID_PROPERTY        MAKE_JSERROR(IDS_NO_PROPERTY)
 549 #define JS_E_INVALID_ACTION          MAKE_JSERROR(IDS_UNSUPPORTED_ACTION)
 550 #define JS_E_MISSING_ARG             MAKE_JSERROR(IDS_ARG_NOT_OPT)
 551 #define JS_E_SYNTAX                  MAKE_JSERROR(IDS_SYNTAX_ERROR)
 552 #define JS_E_MISSING_SEMICOLON       MAKE_JSERROR(IDS_SEMICOLON)
 553 #define JS_E_MISSING_LBRACKET        MAKE_JSERROR(IDS_LBRACKET)
 554 #define JS_E_MISSING_RBRACKET        MAKE_JSERROR(IDS_RBRACKET)
 555 #define JS_E_EXPECTED_IDENTIFIER     MAKE_JSERROR(IDS_EXPECTED_IDENTIFIER)
 556 #define JS_E_EXPECTED_ASSIGN         MAKE_JSERROR(IDS_EXPECTED_ASSIGN)
 557 #define JS_E_INVALID_CHAR            MAKE_JSERROR(IDS_INVALID_CHAR)
 558 #define JS_E_UNTERMINATED_STRING     MAKE_JSERROR(IDS_UNTERMINATED_STR)
 559 #define JS_E_MISPLACED_RETURN        MAKE_JSERROR(IDS_MISPLACED_RETURN)
 560 #define JS_E_INVALID_BREAK           MAKE_JSERROR(IDS_INVALID_BREAK)
 561 #define JS_E_INVALID_CONTINUE        MAKE_JSERROR(IDS_INVALID_CONTINUE)
 562 #define JS_E_LABEL_REDEFINED         MAKE_JSERROR(IDS_LABEL_REDEFINED)
 563 #define JS_E_LABEL_NOT_FOUND         MAKE_JSERROR(IDS_LABEL_NOT_FOUND)
 564 #define JS_E_EXPECTED_CCEND          MAKE_JSERROR(IDS_EXPECTED_CCEND)
 565 #define JS_E_DISABLED_CC             MAKE_JSERROR(IDS_DISABLED_CC)
 566 #define JS_E_EXPECTED_AT             MAKE_JSERROR(IDS_EXPECTED_AT)
 567 #define JS_E_FUNCTION_EXPECTED       MAKE_JSERROR(IDS_NOT_FUNC)
 568 #define JS_E_DATE_EXPECTED           MAKE_JSERROR(IDS_NOT_DATE)
 569 #define JS_E_NUMBER_EXPECTED         MAKE_JSERROR(IDS_NOT_NUM)
 570 #define JS_E_OBJECT_EXPECTED         MAKE_JSERROR(IDS_OBJECT_EXPECTED)
 571 #define JS_E_ILLEGAL_ASSIGN          MAKE_JSERROR(IDS_ILLEGAL_ASSIGN)
 572 #define JS_E_UNDEFINED_VARIABLE      MAKE_JSERROR(IDS_UNDEFINED)
 573 #define JS_E_BOOLEAN_EXPECTED        MAKE_JSERROR(IDS_NOT_BOOL)
 574 #define JS_E_VBARRAY_EXPECTED        MAKE_JSERROR(IDS_NOT_VBARRAY)
 575 #define JS_E_INVALID_DELETE          MAKE_JSERROR(IDS_INVALID_DELETE)
 576 #define JS_E_JSCRIPT_EXPECTED        MAKE_JSERROR(IDS_JSCRIPT_EXPECTED)
 577 #define JS_E_ENUMERATOR_EXPECTED     MAKE_JSERROR(IDS_ENUMERATOR_EXPECTED)
 578 #define JS_E_REGEXP_EXPECTED         MAKE_JSERROR(IDS_REGEXP_EXPECTED)
 579 #define JS_E_REGEXP_SYNTAX           MAKE_JSERROR(IDS_REGEXP_SYNTAX_ERROR)
 580 #define JS_E_EXCEPTION_THROWN        MAKE_JSERROR(IDS_EXCEPTION_THROWN)
 581 #define JS_E_INVALID_URI_CODING      MAKE_JSERROR(IDS_URI_INVALID_CODING)
 582 #define JS_E_INVALID_URI_CHAR        MAKE_JSERROR(IDS_URI_INVALID_CHAR)
 583 #define JS_E_FRACTION_DIGITS_OUT_OF_RANGE MAKE_JSERROR(IDS_FRACTION_DIGITS_OUT_OF_RANGE)
 584 #define JS_E_PRECISION_OUT_OF_RANGE  MAKE_JSERROR(IDS_PRECISION_OUT_OF_RANGE)
 585 #define JS_E_INVALID_LENGTH          MAKE_JSERROR(IDS_INVALID_LENGTH)
 586 #define JS_E_ARRAY_EXPECTED          MAKE_JSERROR(IDS_ARRAY_EXPECTED)
 587 #define JS_E_OBJECT_NONEXTENSIBLE    MAKE_JSERROR(IDS_OBJECT_NONEXTENSIBLE)
 588 #define JS_E_NONCONFIGURABLE_REDEFINED MAKE_JSERROR(IDS_NONCONFIGURABLE_REDEFINED)
 589 #define JS_E_NONWRITABLE_MODIFIED    MAKE_JSERROR(IDS_NONWRITABLE_MODIFIED)
 590 #define JS_E_MAP_EXPECTED            MAKE_JSERROR(IDS_MAP_EXPECTED)
 591 #define JS_E_PROP_DESC_MISMATCH      MAKE_JSERROR(IDS_PROP_DESC_MISMATCH)
 592 #define JS_E_INVALID_WRITABLE_PROP_DESC MAKE_JSERROR(IDS_INVALID_WRITABLE_PROP_DESC)
 593
 594 static inline BOOL is_jscript_error(HRESULT hres)
 595 {
 596     return HRESULT_FACILITY(hres) == FACILITY_JSCRIPT;
 597 }
 598
 599 const char *debugstr_jsval(const jsval_t) DECLSPEC_HIDDEN;
 600
 601 HRESULT create_jscript_object(BOOL,REFIID,void**) DECLSPEC_HIDDEN;
 602
 603 extern LONG module_ref DECLSPEC_HIDDEN;
 604
 605 static inline void lock_module(void)
 606 {
 607     InterlockedIncrement(&module_ref);
 608 }
 609
 610 static inline void unlock_module(void)
 611 {
 612     InterlockedDecrement(&module_ref);
 613 }