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/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 _script_ctx_t script_ctx_t;
  52 typedef struct _dispex_prop_t dispex_prop_t;
  53
  54 typedef struct {
  55     void **blocks;
  56     DWORD block_cnt;
  57     DWORD last_block;
  58     DWORD offset;
  59     BOOL mark;
  60     struct list custom_blocks;
  61 } heap_pool_t;
  62
  63 void heap_pool_init(heap_pool_t*) DECLSPEC_HIDDEN;
  64 void *heap_pool_alloc(heap_pool_t*,DWORD) __WINE_ALLOC_SIZE(2) DECLSPEC_HIDDEN;
  65 void *heap_pool_grow(heap_pool_t*,void*,DWORD,DWORD) DECLSPEC_HIDDEN;
  66 void heap_pool_clear(heap_pool_t*) DECLSPEC_HIDDEN;
  67 void heap_pool_free(heap_pool_t*) DECLSPEC_HIDDEN;
  68 heap_pool_t *heap_pool_mark(heap_pool_t*) DECLSPEC_HIDDEN;
  69
  70 static inline LPWSTR heap_strdupW(LPCWSTR str)
  71 {
  72     LPWSTR ret = NULL;
  73
  74     if(str) {
  75         DWORD size;
  76
  77         size = (strlenW(str)+1)*sizeof(WCHAR);
  78         ret = heap_alloc(size);
  79         if(ret)
  80             memcpy(ret, str, size);
  81     }
  82
  83     return ret;
  84 }
  85
  86 typedef struct jsdisp_t jsdisp_t;
  87
  88 extern HINSTANCE jscript_hinstance DECLSPEC_HIDDEN;
  89
  90 #define PROPF_ARGMASK     0x00ff
  91 #define PROPF_METHOD      0x0100
  92 #define PROPF_ENUM        0x0200
  93 #define PROPF_CONSTR      0x0400
  94 #define PROPF_CONST       0x0800
  95 #define PROPF_DONTDELETE  0x1000
  96
  97 #define PROPF_VERSION_MASK  0x01ff0000
  98 #define PROPF_VERSION_SHIFT 16
  99 #define PROPF_HTML          (SCRIPTLANGUAGEVERSION_HTML << PROPF_VERSION_SHIFT)
 100 #define PROPF_ES5           ((SCRIPTLANGUAGEVERSION_HTML|SCRIPTLANGUAGEVERSION_ES5) << PROPF_VERSION_SHIFT)
 101
 102 /*
 103  * This is our internal dispatch flag informing calee that it's called directly from interpreter.
 104  * If calee is executed as interpreted function, we may let already running interpreter to take
 105  * of execution.
 106  */
 107 #define DISPATCH_JSCRIPT_CALLEREXECSSOURCE  0x8000
 108 #define DISPATCH_JSCRIPT_INTERNAL_MASK      DISPATCH_JSCRIPT_CALLEREXECSSOURCE
 109
 110 /* NOTE: Keep in sync with names in Object.toString implementation */
 111 typedef enum {
 112     JSCLASS_NONE,
 113     JSCLASS_ARRAY,
 114     JSCLASS_BOOLEAN,
 115     JSCLASS_DATE,
 116     JSCLASS_ERROR,
 117     JSCLASS_FUNCTION,
 118     JSCLASS_GLOBAL,
 119     JSCLASS_MATH,
 120     JSCLASS_NUMBER,
 121     JSCLASS_OBJECT,
 122     JSCLASS_REGEXP,
 123     JSCLASS_STRING,
 124     JSCLASS_ARGUMENTS,
 125     JSCLASS_VBARRAY,
 126     JSCLASS_JSON
 127 } jsclass_t;
 128
 129 jsdisp_t *iface_to_jsdisp(IDispatch*) DECLSPEC_HIDDEN;
 130
 131 typedef struct {
 132     union {
 133         IDispatch *disp;
 134         IDispatchEx *dispex;
 135         jsdisp_t *jsdisp;
 136     } u;
 137     DWORD flags;
 138 } vdisp_t;
 139
 140 #define VDISP_DISPEX  0x0001
 141 #define VDISP_JSDISP  0x0002
 142
 143 static inline void vdisp_release(vdisp_t *vdisp)
 144 {
 145     IDispatch_Release(vdisp->u.disp);
 146 }
 147
 148 static inline BOOL is_jsdisp(vdisp_t *vdisp)
 149 {
 150     return (vdisp->flags & VDISP_JSDISP) != 0;
 151 }
 152
 153 static inline BOOL is_dispex(vdisp_t *vdisp)
 154 {
 155     return (vdisp->flags & VDISP_DISPEX) != 0;
 156 }
 157
 158 static inline void set_jsdisp(vdisp_t *vdisp, jsdisp_t *jsdisp)
 159 {
 160     vdisp->u.jsdisp = jsdisp;
 161     vdisp->flags = VDISP_JSDISP | VDISP_DISPEX;
 162     IDispatch_AddRef(vdisp->u.disp);
 163 }
 164
 165 static inline void set_disp(vdisp_t *vdisp, IDispatch *disp)
 166 {
 167     IDispatchEx *dispex;
 168     jsdisp_t *jsdisp;
 169     HRESULT hres;
 170
 171     jsdisp = iface_to_jsdisp(disp);
 172     if(jsdisp) {
 173         vdisp->u.jsdisp = jsdisp;
 174         vdisp->flags = VDISP_JSDISP | VDISP_DISPEX;
 175         return;
 176     }
 177
 178     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
 179     if(SUCCEEDED(hres)) {
 180         vdisp->u.dispex = dispex;
 181         vdisp->flags = VDISP_DISPEX;
 182         return;
 183     }
 184
 185     IDispatch_AddRef(disp);
 186     vdisp->u.disp = disp;
 187     vdisp->flags = 0;
 188 }
 189
 190 static inline jsdisp_t *get_jsdisp(vdisp_t *vdisp)
 191 {
 192     return is_jsdisp(vdisp) ? vdisp->u.jsdisp : NULL;
 193 }
 194
 195 typedef HRESULT (*builtin_invoke_t)(script_ctx_t*,vdisp_t*,WORD,unsigned,jsval_t*,jsval_t*);
 196 typedef HRESULT (*builtin_getter_t)(script_ctx_t*,jsdisp_t*,jsval_t*);
 197 typedef HRESULT (*builtin_setter_t)(script_ctx_t*,jsdisp_t*,jsval_t);
 198
 199 HRESULT builtin_set_const(script_ctx_t*,jsdisp_t*,jsval_t) DECLSPEC_HIDDEN;
 200
 201 typedef struct {
 202     const WCHAR *name;
 203     builtin_invoke_t invoke;
 204     DWORD flags;
 205     builtin_getter_t getter;
 206     builtin_setter_t setter;
 207 } builtin_prop_t;
 208
 209 typedef struct {
 210     jsclass_t class;
 211     builtin_prop_t value_prop;
 212     DWORD props_cnt;
 213     const builtin_prop_t *props;
 214     void (*destructor)(jsdisp_t*);
 215     void (*on_put)(jsdisp_t*,const WCHAR*);
 216     unsigned (*idx_length)(jsdisp_t*);
 217     HRESULT (*idx_get)(jsdisp_t*,unsigned,jsval_t*);
 218     HRESULT (*idx_put)(jsdisp_t*,unsigned,jsval_t);
 219 } builtin_info_t;
 220
 221 struct jsdisp_t {
 222     IDispatchEx IDispatchEx_iface;
 223
 224     LONG ref;
 225
 226     DWORD buf_size;
 227     DWORD prop_cnt;
 228     dispex_prop_t *props;
 229     script_ctx_t *ctx;
 230
 231     jsdisp_t *prototype;
 232
 233     const builtin_info_t *builtin_info;
 234 };
 235
 236 static inline IDispatch *to_disp(jsdisp_t *jsdisp)
 237 {
 238     return (IDispatch*)&jsdisp->IDispatchEx_iface;
 239 }
 240
 241 jsdisp_t *as_jsdisp(IDispatch*) DECLSPEC_HIDDEN;
 242 jsdisp_t *to_jsdisp(IDispatch*) DECLSPEC_HIDDEN;
 243 void jsdisp_free(jsdisp_t*) DECLSPEC_HIDDEN;
 244
 245 #ifndef TRACE_REFCNT
 246
 247 /*
 248  * We do a lot of refcount calls during script execution, so having an inline
 249  * version is a nice perf win. Define TRACE_REFCNT macro when debugging
 250  * refcount bugs to have traces. Also, since jsdisp_t is not thread safe anyways,
 251  * there is no point in using atomic operations.
 252  */
 253 static inline jsdisp_t *jsdisp_addref(jsdisp_t *jsdisp)
 254 {
 255     jsdisp->ref++;
 256     return jsdisp;
 257 }
 258
 259 static inline void jsdisp_release(jsdisp_t *jsdisp)
 260 {
 261     if(!--jsdisp->ref)
 262         jsdisp_free(jsdisp);
 263 }
 264
 265 #else
 266
 267 jsdisp_t *jsdisp_addref(jsdisp_t*) DECLSPEC_HIDDEN;
 268 void jsdisp_release(jsdisp_t*) DECLSPEC_HIDDEN;
 269
 270 #endif
 271
 272 HRESULT create_dispex(script_ctx_t*,const builtin_info_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 273 HRESULT init_dispex(jsdisp_t*,script_ctx_t*,const builtin_info_t*,jsdisp_t*) DECLSPEC_HIDDEN;
 274 HRESULT init_dispex_from_constr(jsdisp_t*,script_ctx_t*,const builtin_info_t*,jsdisp_t*) DECLSPEC_HIDDEN;
 275
 276 HRESULT disp_call(script_ctx_t*,IDispatch*,DISPID,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 277 HRESULT disp_call_value(script_ctx_t*,IDispatch*,IDispatch*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 278 HRESULT jsdisp_call_value(jsdisp_t*,IDispatch*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 279 HRESULT jsdisp_call(jsdisp_t*,DISPID,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 280 HRESULT jsdisp_call_name(jsdisp_t*,const WCHAR*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 281 HRESULT disp_propget(script_ctx_t*,IDispatch*,DISPID,jsval_t*) DECLSPEC_HIDDEN;
 282 HRESULT disp_propput(script_ctx_t*,IDispatch*,DISPID,jsval_t) DECLSPEC_HIDDEN;
 283 HRESULT jsdisp_propget(jsdisp_t*,DISPID,jsval_t*) DECLSPEC_HIDDEN;
 284 HRESULT jsdisp_propput(jsdisp_t*,const WCHAR*,DWORD,jsval_t) DECLSPEC_HIDDEN;
 285 HRESULT jsdisp_propput_name(jsdisp_t*,const WCHAR*,jsval_t) DECLSPEC_HIDDEN;
 286 HRESULT jsdisp_propput_const(jsdisp_t*,const WCHAR*,jsval_t) DECLSPEC_HIDDEN;
 287 HRESULT jsdisp_propput_dontenum(jsdisp_t*,const WCHAR*,jsval_t) DECLSPEC_HIDDEN;
 288 HRESULT jsdisp_propput_idx(jsdisp_t*,DWORD,jsval_t) DECLSPEC_HIDDEN;
 289 HRESULT jsdisp_propget_name(jsdisp_t*,LPCWSTR,jsval_t*) DECLSPEC_HIDDEN;
 290 HRESULT jsdisp_get_idx(jsdisp_t*,DWORD,jsval_t*) DECLSPEC_HIDDEN;
 291 HRESULT jsdisp_get_id(jsdisp_t*,const WCHAR*,DWORD,DISPID*) DECLSPEC_HIDDEN;
 292 HRESULT disp_delete(IDispatch*,DISPID,BOOL*) DECLSPEC_HIDDEN;
 293 HRESULT disp_delete_name(script_ctx_t*,IDispatch*,jsstr_t*,BOOL*) DECLSPEC_HIDDEN;
 294 HRESULT jsdisp_delete_idx(jsdisp_t*,DWORD) DECLSPEC_HIDDEN;
 295 HRESULT jsdisp_is_own_prop(jsdisp_t*,const WCHAR*,BOOL*) DECLSPEC_HIDDEN;
 296 HRESULT jsdisp_is_enumerable(jsdisp_t*,const WCHAR*,BOOL*) DECLSPEC_HIDDEN;
 297
 298 HRESULT create_builtin_function(script_ctx_t*,builtin_invoke_t,const WCHAR*,const builtin_info_t*,DWORD,
 299         jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 300 HRESULT create_builtin_constructor(script_ctx_t*,builtin_invoke_t,const WCHAR*,const builtin_info_t*,DWORD,
 301         jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 302 HRESULT Function_invoke(jsdisp_t*,IDispatch*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 303
 304 HRESULT Function_value(script_ctx_t*,vdisp_t*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 305 HRESULT Function_get_value(script_ctx_t*,jsdisp_t*,jsval_t*) DECLSPEC_HIDDEN;
 306 #define DEFAULT_FUNCTION_VALUE {NULL, Function_value,0, Function_get_value}
 307
 308 HRESULT throw_eval_error(script_ctx_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
 309 HRESULT throw_generic_error(script_ctx_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
 310 HRESULT throw_range_error(script_ctx_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
 311 HRESULT throw_reference_error(script_ctx_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
 312 HRESULT throw_regexp_error(script_ctx_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
 313 HRESULT throw_syntax_error(script_ctx_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
 314 HRESULT throw_type_error(script_ctx_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
 315 HRESULT throw_uri_error(script_ctx_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
 316
 317 HRESULT create_object(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 318 HRESULT create_math(script_ctx_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 319 HRESULT create_array(script_ctx_t*,DWORD,jsdisp_t**) DECLSPEC_HIDDEN;
 320 HRESULT create_regexp(script_ctx_t*,jsstr_t*,DWORD,jsdisp_t**) DECLSPEC_HIDDEN;
 321 HRESULT create_regexp_var(script_ctx_t*,jsval_t,jsval_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 322 HRESULT create_string(script_ctx_t*,jsstr_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 323 HRESULT create_bool(script_ctx_t*,BOOL,jsdisp_t**) DECLSPEC_HIDDEN;
 324 HRESULT create_number(script_ctx_t*,double,jsdisp_t**) DECLSPEC_HIDDEN;
 325 HRESULT create_vbarray(script_ctx_t*,SAFEARRAY*,jsdisp_t**) DECLSPEC_HIDDEN;
 326 HRESULT create_json(script_ctx_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 327
 328 typedef enum {
 329     NO_HINT,
 330     HINT_STRING,
 331     HINT_NUMBER
 332 } hint_t;
 333
 334 HRESULT to_primitive(script_ctx_t*,jsval_t,jsval_t*, hint_t) DECLSPEC_HIDDEN;
 335 HRESULT to_boolean(jsval_t,BOOL*) DECLSPEC_HIDDEN;
 336 HRESULT to_number(script_ctx_t*,jsval_t,double*) DECLSPEC_HIDDEN;
 337 HRESULT to_integer(script_ctx_t*,jsval_t,double*) DECLSPEC_HIDDEN;
 338 HRESULT to_int32(script_ctx_t*,jsval_t,INT*) DECLSPEC_HIDDEN;
 339 HRESULT to_uint32(script_ctx_t*,jsval_t,UINT32*) DECLSPEC_HIDDEN;
 340 HRESULT to_string(script_ctx_t*,jsval_t,jsstr_t**) DECLSPEC_HIDDEN;
 341 HRESULT to_flat_string(script_ctx_t*,jsval_t,jsstr_t**,const WCHAR**) DECLSPEC_HIDDEN;
 342 HRESULT to_object(script_ctx_t*,jsval_t,IDispatch**) DECLSPEC_HIDDEN;
 343
 344 HRESULT jsval_strict_equal(jsval_t,jsval_t,BOOL*) 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     BOOL html_mode;
 402     LCID lcid;
 403     cc_ctx_t *cc;
 404     JSCaller *jscaller;
 405     jsexcept_t ei;
 406
 407     heap_pool_t tmp_heap;
 408
 409     IDispatch *host_global;
 410
 411     jsval_t *stack;
 412     unsigned stack_size;
 413     unsigned stack_top;
 414
 415     jsstr_t *last_match;
 416     match_result_t match_parens[9];
 417     DWORD last_match_index;
 418     DWORD last_match_length;
 419
 420     jsdisp_t *global;
 421     jsdisp_t *function_constr;
 422     jsdisp_t *array_constr;
 423     jsdisp_t *bool_constr;
 424     jsdisp_t *date_constr;
 425     jsdisp_t *error_constr;
 426     jsdisp_t *eval_error_constr;
 427     jsdisp_t *range_error_constr;
 428     jsdisp_t *reference_error_constr;
 429     jsdisp_t *regexp_error_constr;
 430     jsdisp_t *syntax_error_constr;
 431     jsdisp_t *type_error_constr;
 432     jsdisp_t *uri_error_constr;
 433     jsdisp_t *number_constr;
 434     jsdisp_t *object_constr;
 435     jsdisp_t *regexp_constr;
 436     jsdisp_t *string_constr;
 437     jsdisp_t *vbarray_constr;
 438 };
 439
 440 void script_release(script_ctx_t*) DECLSPEC_HIDDEN;
 441 void clear_ei(script_ctx_t*) DECLSPEC_HIDDEN;
 442
 443 static inline void script_addref(script_ctx_t *ctx)
 444 {
 445     ctx->ref++;
 446 }
 447
 448 HRESULT init_global(script_ctx_t*) DECLSPEC_HIDDEN;
 449 HRESULT init_function_constr(script_ctx_t*,jsdisp_t*) DECLSPEC_HIDDEN;
 450 HRESULT create_object_prototype(script_ctx_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 451
 452 HRESULT create_activex_constr(script_ctx_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 453 HRESULT create_array_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 454 HRESULT create_bool_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 455 HRESULT create_date_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 456 HRESULT init_error_constr(script_ctx_t*,jsdisp_t*) DECLSPEC_HIDDEN;
 457 HRESULT create_number_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 458 HRESULT create_object_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 459 HRESULT create_regexp_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 460 HRESULT create_string_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 461 HRESULT create_vbarray_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 462
 463 IUnknown *create_ax_site(script_ctx_t*) DECLSPEC_HIDDEN;
 464 HRESULT create_jscaller(script_ctx_t*) DECLSPEC_HIDDEN;
 465
 466 #define REM_CHECK_GLOBAL   0x0001
 467 #define REM_RESET_INDEX    0x0002
 468 #define REM_NO_CTX_UPDATE  0x0004
 469 #define REM_ALLOC_RESULT   0x0008
 470 #define REM_NO_PARENS      0x0010
 471 struct match_state_t;
 472 HRESULT regexp_match_next(script_ctx_t*,jsdisp_t*,DWORD,jsstr_t*,struct match_state_t**) DECLSPEC_HIDDEN;
 473 HRESULT parse_regexp_flags(const WCHAR*,DWORD,DWORD*) DECLSPEC_HIDDEN;
 474 HRESULT regexp_string_match(script_ctx_t*,jsdisp_t*,jsstr_t*,jsval_t*) DECLSPEC_HIDDEN;
 475
 476 BOOL bool_obj_value(jsdisp_t*) DECLSPEC_HIDDEN;
 477 unsigned array_get_length(jsdisp_t*) DECLSPEC_HIDDEN;
 478
 479 HRESULT JSGlobal_eval(script_ctx_t*,vdisp_t*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 480
 481 static inline BOOL is_class(jsdisp_t *jsdisp, jsclass_t class)
 482 {
 483     return jsdisp->builtin_info->class == class;
 484 }
 485
 486 static inline BOOL is_vclass(vdisp_t *vdisp, jsclass_t class)
 487 {
 488     return is_jsdisp(vdisp) && is_class(vdisp->u.jsdisp, class);
 489 }
 490
 491 #ifndef INT32_MIN
 492 #define INT32_MIN (-2147483647-1)
 493 #endif
 494
 495 #ifndef INT32_MAX
 496 #define INT32_MAX (2147483647)
 497 #endif
 498
 499 static inline BOOL is_int32(double d)
 500 {
 501     return INT32_MIN <= d && d <= INT32_MAX && (double)(int)d == d;
 502 }
 503
 504 static inline DWORD make_grfdex(script_ctx_t *ctx, DWORD flags)
 505 {
 506     return ((ctx->version & 0xff) << 28) | flags;
 507 }
 508
 509 #define FACILITY_JSCRIPT 10
 510
 511 #define MAKE_JSERROR(code) MAKE_HRESULT(SEVERITY_ERROR, FACILITY_JSCRIPT, code)
 512
 513 #define JS_E_TO_PRIMITIVE            MAKE_JSERROR(IDS_TO_PRIMITIVE)
 514 #define JS_E_INVALIDARG              MAKE_JSERROR(IDS_INVALID_CALL_ARG)
 515 #define JS_E_SUBSCRIPT_OUT_OF_RANGE  MAKE_JSERROR(IDS_SUBSCRIPT_OUT_OF_RANGE)
 516 #define JS_E_OBJECT_REQUIRED         MAKE_JSERROR(IDS_OBJECT_REQUIRED)
 517 #define JS_E_CANNOT_CREATE_OBJ       MAKE_JSERROR(IDS_CREATE_OBJ_ERROR)
 518 #define JS_E_INVALID_PROPERTY        MAKE_JSERROR(IDS_NO_PROPERTY)
 519 #define JS_E_INVALID_ACTION          MAKE_JSERROR(IDS_UNSUPPORTED_ACTION)
 520 #define JS_E_MISSING_ARG             MAKE_JSERROR(IDS_ARG_NOT_OPT)
 521 #define JS_E_SYNTAX                  MAKE_JSERROR(IDS_SYNTAX_ERROR)
 522 #define JS_E_MISSING_SEMICOLON       MAKE_JSERROR(IDS_SEMICOLON)
 523 #define JS_E_MISSING_LBRACKET        MAKE_JSERROR(IDS_LBRACKET)
 524 #define JS_E_MISSING_RBRACKET        MAKE_JSERROR(IDS_RBRACKET)
 525 #define JS_E_EXPECTED_IDENTIFIER     MAKE_JSERROR(IDS_EXPECTED_IDENTIFIER)
 526 #define JS_E_EXPECTED_ASSIGN         MAKE_JSERROR(IDS_EXPECTED_ASSIGN)
 527 #define JS_E_INVALID_CHAR            MAKE_JSERROR(IDS_INVALID_CHAR)
 528 #define JS_E_UNTERMINATED_STRING     MAKE_JSERROR(IDS_UNTERMINATED_STR)
 529 #define JS_E_MISPLACED_RETURN        MAKE_JSERROR(IDS_MISPLACED_RETURN)
 530 #define JS_E_INVALID_BREAK           MAKE_JSERROR(IDS_INVALID_BREAK)
 531 #define JS_E_INVALID_CONTINUE        MAKE_JSERROR(IDS_INVALID_CONTINUE)
 532 #define JS_E_LABEL_REDEFINED         MAKE_JSERROR(IDS_LABEL_REDEFINED)
 533 #define JS_E_LABEL_NOT_FOUND         MAKE_JSERROR(IDS_LABEL_NOT_FOUND)
 534 #define JS_E_EXPECTED_CCEND          MAKE_JSERROR(IDS_EXPECTED_CCEND)
 535 #define JS_E_DISABLED_CC             MAKE_JSERROR(IDS_DISABLED_CC)
 536 #define JS_E_EXPECTED_AT             MAKE_JSERROR(IDS_EXPECTED_AT)
 537 #define JS_E_FUNCTION_EXPECTED       MAKE_JSERROR(IDS_NOT_FUNC)
 538 #define JS_E_DATE_EXPECTED           MAKE_JSERROR(IDS_NOT_DATE)
 539 #define JS_E_NUMBER_EXPECTED         MAKE_JSERROR(IDS_NOT_NUM)
 540 #define JS_E_OBJECT_EXPECTED         MAKE_JSERROR(IDS_OBJECT_EXPECTED)
 541 #define JS_E_ILLEGAL_ASSIGN          MAKE_JSERROR(IDS_ILLEGAL_ASSIGN)
 542 #define JS_E_UNDEFINED_VARIABLE      MAKE_JSERROR(IDS_UNDEFINED)
 543 #define JS_E_BOOLEAN_EXPECTED        MAKE_JSERROR(IDS_NOT_BOOL)
 544 #define JS_E_VBARRAY_EXPECTED        MAKE_JSERROR(IDS_NOT_VBARRAY)
 545 #define JS_E_INVALID_DELETE          MAKE_JSERROR(IDS_INVALID_DELETE)
 546 #define JS_E_JSCRIPT_EXPECTED        MAKE_JSERROR(IDS_JSCRIPT_EXPECTED)
 547 #define JS_E_REGEXP_SYNTAX           MAKE_JSERROR(IDS_REGEXP_SYNTAX_ERROR)
 548 #define JS_E_INVALID_URI_CODING      MAKE_JSERROR(IDS_URI_INVALID_CODING)
 549 #define JS_E_INVALID_URI_CHAR        MAKE_JSERROR(IDS_URI_INVALID_CHAR)
 550 #define JS_E_FRACTION_DIGITS_OUT_OF_RANGE MAKE_JSERROR(IDS_FRACTION_DIGITS_OUT_OF_RANGE)
 551 #define JS_E_PRECISION_OUT_OF_RANGE  MAKE_JSERROR(IDS_PRECISION_OUT_OF_RANGE)
 552 #define JS_E_INVALID_LENGTH          MAKE_JSERROR(IDS_INVALID_LENGTH)
 553 #define JS_E_ARRAY_EXPECTED          MAKE_JSERROR(IDS_ARRAY_EXPECTED)
 554
 555 static inline BOOL is_jscript_error(HRESULT hres)
 556 {
 557     return HRESULT_FACILITY(hres) == FACILITY_JSCRIPT;
 558 }
 559
 560 const char *debugstr_jsval(const jsval_t) DECLSPEC_HIDDEN;
 561
 562 HRESULT create_jscript_object(BOOL,REFIID,void**) DECLSPEC_HIDDEN;
 563
 564 extern LONG module_ref DECLSPEC_HIDDEN;
 565
 566 static inline void lock_module(void)
 567 {
 568     InterlockedIncrement(&module_ref);
 569 }
 570
 571 static inline void unlock_module(void)
 572 {
 573     InterlockedDecrement(&module_ref);
 574 }