xref: /reactos/dll/win32/jscript/jscript.h (revision 02e84521)
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 #pragma once
20 
21 #include <stdarg.h>
22 #include <stdio.h>
23 
24 #define COBJMACROS
25 
26 #include "windef.h"
27 #include "winbase.h"
28 #include "winuser.h"
29 #include "ole2.h"
30 #include "dispex.h"
31 #include "activscp.h"
32 
33 #include "resource.h"
34 
35 #include "wine/unicode.h"
36 #include "wine/heap.h"
37 #include "wine/list.h"
38 
39 /*
40  * This is Wine jscript extension for ES5 compatible mode. Native IE9+ implements
41  * a separated JavaScript enging in side MSHTML. We implement its features here
42  * and enable it when HTML flag is specified in SCRIPTPROP_INVOKEVERSIONING property.
43  */
44 #define SCRIPTLANGUAGEVERSION_HTML 0x400
45 
46 /*
47  * This is Wine jscript extension for ES5 compatible mode. Allowed only in HTML mode.
48  */
49 #define SCRIPTLANGUAGEVERSION_ES5  0x102
50 
51 typedef struct _jsval_t jsval_t;
52 typedef struct _jsstr_t jsstr_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 = (strlenW(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 
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_ERROR,
122     JSCLASS_FUNCTION,
123     JSCLASS_GLOBAL,
124     JSCLASS_MATH,
125     JSCLASS_NUMBER,
126     JSCLASS_OBJECT,
127     JSCLASS_REGEXP,
128     JSCLASS_STRING,
129     JSCLASS_ARGUMENTS,
130     JSCLASS_VBARRAY,
131     JSCLASS_JSON
132 } jsclass_t;
133 
134 jsdisp_t *iface_to_jsdisp(IDispatch*) DECLSPEC_HIDDEN;
135 
136 typedef struct {
137     union {
138         IDispatch *disp;
139         IDispatchEx *dispex;
140         jsdisp_t *jsdisp;
141     } u;
142     DWORD flags;
143 } vdisp_t;
144 
145 #define VDISP_DISPEX  0x0001
146 #define VDISP_JSDISP  0x0002
147 
148 static inline void vdisp_release(vdisp_t *vdisp)
149 {
150     IDispatch_Release(vdisp->u.disp);
151 }
152 
153 static inline BOOL is_jsdisp(vdisp_t *vdisp)
154 {
155     return (vdisp->flags & VDISP_JSDISP) != 0;
156 }
157 
158 static inline BOOL is_dispex(vdisp_t *vdisp)
159 {
160     return (vdisp->flags & VDISP_DISPEX) != 0;
161 }
162 
163 static inline void set_jsdisp(vdisp_t *vdisp, jsdisp_t *jsdisp)
164 {
165     vdisp->u.jsdisp = jsdisp;
166     vdisp->flags = VDISP_JSDISP | VDISP_DISPEX;
167     IDispatch_AddRef(vdisp->u.disp);
168 }
169 
170 static inline void set_disp(vdisp_t *vdisp, IDispatch *disp)
171 {
172     IDispatchEx *dispex;
173     jsdisp_t *jsdisp;
174     HRESULT hres;
175 
176     jsdisp = iface_to_jsdisp(disp);
177     if(jsdisp) {
178         vdisp->u.jsdisp = jsdisp;
179         vdisp->flags = VDISP_JSDISP | VDISP_DISPEX;
180         return;
181     }
182 
183     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
184     if(SUCCEEDED(hres)) {
185         vdisp->u.dispex = dispex;
186         vdisp->flags = VDISP_DISPEX;
187         return;
188     }
189 
190     IDispatch_AddRef(disp);
191     vdisp->u.disp = disp;
192     vdisp->flags = 0;
193 }
194 
195 static inline jsdisp_t *get_jsdisp(vdisp_t *vdisp)
196 {
197     return is_jsdisp(vdisp) ? vdisp->u.jsdisp : NULL;
198 }
199 
200 typedef HRESULT (*builtin_invoke_t)(script_ctx_t*,vdisp_t*,WORD,unsigned,jsval_t*,jsval_t*);
201 typedef HRESULT (*builtin_getter_t)(script_ctx_t*,jsdisp_t*,jsval_t*);
202 typedef HRESULT (*builtin_setter_t)(script_ctx_t*,jsdisp_t*,jsval_t);
203 
204 HRESULT builtin_set_const(script_ctx_t*,jsdisp_t*,jsval_t) DECLSPEC_HIDDEN;
205 
206 typedef struct {
207     const WCHAR *name;
208     builtin_invoke_t invoke;
209     DWORD flags;
210     builtin_getter_t getter;
211     builtin_setter_t setter;
212 } builtin_prop_t;
213 
214 typedef struct {
215     jsclass_t class;
216     builtin_prop_t value_prop;
217     DWORD props_cnt;
218     const builtin_prop_t *props;
219     void (*destructor)(jsdisp_t*);
220     void (*on_put)(jsdisp_t*,const WCHAR*);
221     unsigned (*idx_length)(jsdisp_t*);
222     HRESULT (*idx_get)(jsdisp_t*,unsigned,jsval_t*);
223     HRESULT (*idx_put)(jsdisp_t*,unsigned,jsval_t);
224 } builtin_info_t;
225 
226 struct jsdisp_t {
227     IDispatchEx IDispatchEx_iface;
228 
229     LONG ref;
230 
231     DWORD buf_size;
232     DWORD prop_cnt;
233     dispex_prop_t *props;
234     script_ctx_t *ctx;
235 
236     jsdisp_t *prototype;
237 
238     const builtin_info_t *builtin_info;
239 };
240 
241 static inline IDispatch *to_disp(jsdisp_t *jsdisp)
242 {
243     return (IDispatch*)&jsdisp->IDispatchEx_iface;
244 }
245 
246 jsdisp_t *as_jsdisp(IDispatch*) DECLSPEC_HIDDEN;
247 jsdisp_t *to_jsdisp(IDispatch*) DECLSPEC_HIDDEN;
248 void jsdisp_free(jsdisp_t*) DECLSPEC_HIDDEN;
249 
250 #ifndef TRACE_REFCNT
251 
252 /*
253  * We do a lot of refcount calls during script execution, so having an inline
254  * version is a nice perf win. Define TRACE_REFCNT macro when debugging
255  * refcount bugs to have traces. Also, since jsdisp_t is not thread safe anyways,
256  * there is no point in using atomic operations.
257  */
258 static inline jsdisp_t *jsdisp_addref(jsdisp_t *jsdisp)
259 {
260     jsdisp->ref++;
261     return jsdisp;
262 }
263 
264 static inline void jsdisp_release(jsdisp_t *jsdisp)
265 {
266     if(!--jsdisp->ref)
267         jsdisp_free(jsdisp);
268 }
269 
270 #else
271 
272 jsdisp_t *jsdisp_addref(jsdisp_t*) DECLSPEC_HIDDEN;
273 void jsdisp_release(jsdisp_t*) DECLSPEC_HIDDEN;
274 
275 #endif
276 
277 HRESULT create_dispex(script_ctx_t*,const builtin_info_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
278 HRESULT init_dispex(jsdisp_t*,script_ctx_t*,const builtin_info_t*,jsdisp_t*) DECLSPEC_HIDDEN;
279 HRESULT init_dispex_from_constr(jsdisp_t*,script_ctx_t*,const builtin_info_t*,jsdisp_t*) DECLSPEC_HIDDEN;
280 
281 HRESULT disp_call(script_ctx_t*,IDispatch*,DISPID,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
282 HRESULT disp_call_value(script_ctx_t*,IDispatch*,IDispatch*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
283 HRESULT jsdisp_call_value(jsdisp_t*,IDispatch*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
284 HRESULT jsdisp_call(jsdisp_t*,DISPID,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
285 HRESULT jsdisp_call_name(jsdisp_t*,const WCHAR*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
286 HRESULT disp_propget(script_ctx_t*,IDispatch*,DISPID,jsval_t*) DECLSPEC_HIDDEN;
287 HRESULT disp_propput(script_ctx_t*,IDispatch*,DISPID,jsval_t) DECLSPEC_HIDDEN;
288 HRESULT jsdisp_propget(jsdisp_t*,DISPID,jsval_t*) DECLSPEC_HIDDEN;
289 HRESULT jsdisp_propput(jsdisp_t*,const WCHAR*,DWORD,jsval_t) DECLSPEC_HIDDEN;
290 HRESULT jsdisp_propput_name(jsdisp_t*,const WCHAR*,jsval_t) DECLSPEC_HIDDEN;
291 HRESULT jsdisp_propput_idx(jsdisp_t*,DWORD,jsval_t) DECLSPEC_HIDDEN;
292 HRESULT jsdisp_propget_name(jsdisp_t*,LPCWSTR,jsval_t*) DECLSPEC_HIDDEN;
293 HRESULT jsdisp_get_idx(jsdisp_t*,DWORD,jsval_t*) DECLSPEC_HIDDEN;
294 HRESULT jsdisp_get_id(jsdisp_t*,const WCHAR*,DWORD,DISPID*) DECLSPEC_HIDDEN;
295 HRESULT disp_delete(IDispatch*,DISPID,BOOL*) DECLSPEC_HIDDEN;
296 HRESULT disp_delete_name(script_ctx_t*,IDispatch*,jsstr_t*,BOOL*) DECLSPEC_HIDDEN;
297 HRESULT jsdisp_delete_idx(jsdisp_t*,DWORD) DECLSPEC_HIDDEN;
298 HRESULT jsdisp_get_own_property(jsdisp_t*,const WCHAR*,BOOL,property_desc_t*) DECLSPEC_HIDDEN;
299 HRESULT jsdisp_define_property(jsdisp_t*,const WCHAR*,property_desc_t*) DECLSPEC_HIDDEN;
300 HRESULT jsdisp_define_data_property(jsdisp_t*,const WCHAR*,unsigned,jsval_t) DECLSPEC_HIDDEN;
301 
302 HRESULT create_builtin_function(script_ctx_t*,builtin_invoke_t,const WCHAR*,const builtin_info_t*,DWORD,
303         jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
304 HRESULT create_builtin_constructor(script_ctx_t*,builtin_invoke_t,const WCHAR*,const builtin_info_t*,DWORD,
305         jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
306 HRESULT Function_invoke(jsdisp_t*,IDispatch*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
307 
308 HRESULT Function_value(script_ctx_t*,vdisp_t*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
309 HRESULT Function_get_value(script_ctx_t*,jsdisp_t*,jsval_t*) DECLSPEC_HIDDEN;
310 #define DEFAULT_FUNCTION_VALUE {NULL, Function_value,0, Function_get_value}
311 
312 HRESULT throw_eval_error(script_ctx_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
313 HRESULT throw_generic_error(script_ctx_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
314 HRESULT throw_range_error(script_ctx_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
315 HRESULT throw_reference_error(script_ctx_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
316 HRESULT throw_regexp_error(script_ctx_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
317 HRESULT throw_syntax_error(script_ctx_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
318 HRESULT throw_type_error(script_ctx_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
319 HRESULT throw_uri_error(script_ctx_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
320 
321 HRESULT create_object(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
322 HRESULT create_math(script_ctx_t*,jsdisp_t**) DECLSPEC_HIDDEN;
323 HRESULT create_array(script_ctx_t*,DWORD,jsdisp_t**) DECLSPEC_HIDDEN;
324 HRESULT create_regexp(script_ctx_t*,jsstr_t*,DWORD,jsdisp_t**) DECLSPEC_HIDDEN;
325 HRESULT create_regexp_var(script_ctx_t*,jsval_t,jsval_t*,jsdisp_t**) DECLSPEC_HIDDEN;
326 HRESULT create_string(script_ctx_t*,jsstr_t*,jsdisp_t**) DECLSPEC_HIDDEN;
327 HRESULT create_bool(script_ctx_t*,BOOL,jsdisp_t**) DECLSPEC_HIDDEN;
328 HRESULT create_number(script_ctx_t*,double,jsdisp_t**) DECLSPEC_HIDDEN;
329 HRESULT create_vbarray(script_ctx_t*,SAFEARRAY*,jsdisp_t**) DECLSPEC_HIDDEN;
330 HRESULT create_json(script_ctx_t*,jsdisp_t**) DECLSPEC_HIDDEN;
331 
332 typedef enum {
333     NO_HINT,
334     HINT_STRING,
335     HINT_NUMBER
336 } hint_t;
337 
338 HRESULT to_primitive(script_ctx_t*,jsval_t,jsval_t*, hint_t) DECLSPEC_HIDDEN;
339 HRESULT to_boolean(jsval_t,BOOL*) DECLSPEC_HIDDEN;
340 HRESULT to_number(script_ctx_t*,jsval_t,double*) DECLSPEC_HIDDEN;
341 HRESULT to_integer(script_ctx_t*,jsval_t,double*) DECLSPEC_HIDDEN;
342 HRESULT to_int32(script_ctx_t*,jsval_t,INT*) DECLSPEC_HIDDEN;
343 HRESULT to_uint32(script_ctx_t*,jsval_t,UINT32*) DECLSPEC_HIDDEN;
344 HRESULT to_string(script_ctx_t*,jsval_t,jsstr_t**) DECLSPEC_HIDDEN;
345 HRESULT to_flat_string(script_ctx_t*,jsval_t,jsstr_t**,const WCHAR**) DECLSPEC_HIDDEN;
346 HRESULT to_object(script_ctx_t*,jsval_t,IDispatch**) DECLSPEC_HIDDEN;
347 
348 HRESULT jsval_strict_equal(jsval_t,jsval_t,BOOL*) DECLSPEC_HIDDEN;
349 
350 HRESULT variant_change_type(script_ctx_t*,VARIANT*,VARIANT*,VARTYPE) DECLSPEC_HIDDEN;
351 
352 HRESULT decode_source(WCHAR*) DECLSPEC_HIDDEN;
353 
354 HRESULT double_to_string(double,jsstr_t**) DECLSPEC_HIDDEN;
355 BOOL is_finite(double) DECLSPEC_HIDDEN;
356 
357 typedef struct named_item_t {
358     IDispatch *disp;
359     DWORD flags;
360     LPWSTR name;
361 
362     struct named_item_t *next;
363 } named_item_t;
364 
365 typedef struct _cc_var_t cc_var_t;
366 
367 typedef struct {
368     cc_var_t *vars;
369 } cc_ctx_t;
370 
371 void release_cc(cc_ctx_t*) DECLSPEC_HIDDEN;
372 
373 typedef struct {
374     IServiceProvider IServiceProvider_iface;
375 
376     LONG ref;
377 
378     script_ctx_t *ctx;
379 } JSCaller;
380 
381 #include "jsval.h"
382 
383 struct _property_desc_t {
384     unsigned flags;
385     unsigned mask;
386     BOOL explicit_value;
387     jsval_t value;
388     BOOL explicit_getter;
389     jsdisp_t *getter;
390     BOOL explicit_setter;
391     jsdisp_t *setter;
392 };
393 
394 typedef struct {
395     EXCEPINFO ei;
396     jsval_t val;
397 } jsexcept_t;
398 
399 typedef struct {
400     unsigned index;
401     unsigned length;
402 } match_result_t;
403 
404 struct _script_ctx_t {
405     LONG ref;
406 
407     SCRIPTSTATE state;
408     IActiveScript *active_script;
409 
410     struct _call_frame_t *call_ctx;
411     named_item_t *named_items;
412     IActiveScriptSite *site;
413     IInternetHostSecurityManager *secmgr;
414     DWORD safeopt;
415     DWORD version;
416     BOOL html_mode;
417     LCID lcid;
418     cc_ctx_t *cc;
419     JSCaller *jscaller;
420     jsexcept_t ei;
421 
422     heap_pool_t tmp_heap;
423 
424     IDispatch *host_global;
425 
426     jsval_t *stack;
427     unsigned stack_size;
428     unsigned stack_top;
429     jsval_t acc;
430 
431     jsstr_t *last_match;
432     match_result_t match_parens[9];
433     DWORD last_match_index;
434     DWORD last_match_length;
435 
436     jsdisp_t *global;
437     jsdisp_t *function_constr;
438     jsdisp_t *array_constr;
439     jsdisp_t *bool_constr;
440     jsdisp_t *date_constr;
441     jsdisp_t *error_constr;
442     jsdisp_t *eval_error_constr;
443     jsdisp_t *range_error_constr;
444     jsdisp_t *reference_error_constr;
445     jsdisp_t *regexp_error_constr;
446     jsdisp_t *syntax_error_constr;
447     jsdisp_t *type_error_constr;
448     jsdisp_t *uri_error_constr;
449     jsdisp_t *number_constr;
450     jsdisp_t *object_constr;
451     jsdisp_t *regexp_constr;
452     jsdisp_t *string_constr;
453     jsdisp_t *vbarray_constr;
454 };
455 
456 void script_release(script_ctx_t*) DECLSPEC_HIDDEN;
457 void clear_ei(script_ctx_t*) DECLSPEC_HIDDEN;
458 
459 static inline void script_addref(script_ctx_t *ctx)
460 {
461     ctx->ref++;
462 }
463 
464 HRESULT init_global(script_ctx_t*) DECLSPEC_HIDDEN;
465 HRESULT init_function_constr(script_ctx_t*,jsdisp_t*) DECLSPEC_HIDDEN;
466 HRESULT create_object_prototype(script_ctx_t*,jsdisp_t**) DECLSPEC_HIDDEN;
467 
468 HRESULT create_activex_constr(script_ctx_t*,jsdisp_t**) DECLSPEC_HIDDEN;
469 HRESULT create_array_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
470 HRESULT create_bool_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
471 HRESULT create_date_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
472 HRESULT init_error_constr(script_ctx_t*,jsdisp_t*) DECLSPEC_HIDDEN;
473 HRESULT create_number_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
474 HRESULT create_object_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
475 HRESULT create_regexp_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
476 HRESULT create_string_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
477 HRESULT create_vbarray_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
478 
479 IUnknown *create_ax_site(script_ctx_t*) DECLSPEC_HIDDEN;
480 HRESULT create_jscaller(script_ctx_t*) DECLSPEC_HIDDEN;
481 
482 #define REM_CHECK_GLOBAL   0x0001
483 #define REM_RESET_INDEX    0x0002
484 #define REM_NO_CTX_UPDATE  0x0004
485 #define REM_ALLOC_RESULT   0x0008
486 #define REM_NO_PARENS      0x0010
487 struct match_state_t;
488 HRESULT regexp_match_next(script_ctx_t*,jsdisp_t*,DWORD,jsstr_t*,struct match_state_t**) DECLSPEC_HIDDEN;
489 HRESULT parse_regexp_flags(const WCHAR*,DWORD,DWORD*) DECLSPEC_HIDDEN;
490 HRESULT regexp_string_match(script_ctx_t*,jsdisp_t*,jsstr_t*,jsval_t*) DECLSPEC_HIDDEN;
491 
492 BOOL bool_obj_value(jsdisp_t*) DECLSPEC_HIDDEN;
493 unsigned array_get_length(jsdisp_t*) DECLSPEC_HIDDEN;
494 
495 HRESULT JSGlobal_eval(script_ctx_t*,vdisp_t*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
496 
497 static inline BOOL is_class(jsdisp_t *jsdisp, jsclass_t class)
498 {
499     return jsdisp->builtin_info->class == class;
500 }
501 
502 static inline BOOL is_vclass(vdisp_t *vdisp, jsclass_t class)
503 {
504     return is_jsdisp(vdisp) && is_class(vdisp->u.jsdisp, class);
505 }
506 
507 #ifndef INT32_MIN
508 #define INT32_MIN (-2147483647-1)
509 #endif
510 
511 #ifndef INT32_MAX
512 #define INT32_MAX (2147483647)
513 #endif
514 
515 static inline BOOL is_int32(double d)
516 {
517     return INT32_MIN <= d && d <= INT32_MAX && (double)(int)d == d;
518 }
519 
520 static inline DWORD make_grfdex(script_ctx_t *ctx, DWORD flags)
521 {
522     return ((ctx->version & 0xff) << 28) | flags;
523 }
524 
525 #define FACILITY_JSCRIPT 10
526 
527 #define MAKE_JSERROR(code) MAKE_HRESULT(SEVERITY_ERROR, FACILITY_JSCRIPT, code)
528 
529 #define JS_E_TO_PRIMITIVE            MAKE_JSERROR(IDS_TO_PRIMITIVE)
530 #define JS_E_INVALIDARG              MAKE_JSERROR(IDS_INVALID_CALL_ARG)
531 #define JS_E_SUBSCRIPT_OUT_OF_RANGE  MAKE_JSERROR(IDS_SUBSCRIPT_OUT_OF_RANGE)
532 #define JS_E_OBJECT_REQUIRED         MAKE_JSERROR(IDS_OBJECT_REQUIRED)
533 #define JS_E_CANNOT_CREATE_OBJ       MAKE_JSERROR(IDS_CREATE_OBJ_ERROR)
534 #define JS_E_INVALID_PROPERTY        MAKE_JSERROR(IDS_NO_PROPERTY)
535 #define JS_E_INVALID_ACTION          MAKE_JSERROR(IDS_UNSUPPORTED_ACTION)
536 #define JS_E_MISSING_ARG             MAKE_JSERROR(IDS_ARG_NOT_OPT)
537 #define JS_E_SYNTAX                  MAKE_JSERROR(IDS_SYNTAX_ERROR)
538 #define JS_E_MISSING_SEMICOLON       MAKE_JSERROR(IDS_SEMICOLON)
539 #define JS_E_MISSING_LBRACKET        MAKE_JSERROR(IDS_LBRACKET)
540 #define JS_E_MISSING_RBRACKET        MAKE_JSERROR(IDS_RBRACKET)
541 #define JS_E_EXPECTED_IDENTIFIER     MAKE_JSERROR(IDS_EXPECTED_IDENTIFIER)
542 #define JS_E_EXPECTED_ASSIGN         MAKE_JSERROR(IDS_EXPECTED_ASSIGN)
543 #define JS_E_INVALID_CHAR            MAKE_JSERROR(IDS_INVALID_CHAR)
544 #define JS_E_UNTERMINATED_STRING     MAKE_JSERROR(IDS_UNTERMINATED_STR)
545 #define JS_E_MISPLACED_RETURN        MAKE_JSERROR(IDS_MISPLACED_RETURN)
546 #define JS_E_INVALID_BREAK           MAKE_JSERROR(IDS_INVALID_BREAK)
547 #define JS_E_INVALID_CONTINUE        MAKE_JSERROR(IDS_INVALID_CONTINUE)
548 #define JS_E_LABEL_REDEFINED         MAKE_JSERROR(IDS_LABEL_REDEFINED)
549 #define JS_E_LABEL_NOT_FOUND         MAKE_JSERROR(IDS_LABEL_NOT_FOUND)
550 #define JS_E_EXPECTED_CCEND          MAKE_JSERROR(IDS_EXPECTED_CCEND)
551 #define JS_E_DISABLED_CC             MAKE_JSERROR(IDS_DISABLED_CC)
552 #define JS_E_EXPECTED_AT             MAKE_JSERROR(IDS_EXPECTED_AT)
553 #define JS_E_FUNCTION_EXPECTED       MAKE_JSERROR(IDS_NOT_FUNC)
554 #define JS_E_DATE_EXPECTED           MAKE_JSERROR(IDS_NOT_DATE)
555 #define JS_E_NUMBER_EXPECTED         MAKE_JSERROR(IDS_NOT_NUM)
556 #define JS_E_OBJECT_EXPECTED         MAKE_JSERROR(IDS_OBJECT_EXPECTED)
557 #define JS_E_ILLEGAL_ASSIGN          MAKE_JSERROR(IDS_ILLEGAL_ASSIGN)
558 #define JS_E_UNDEFINED_VARIABLE      MAKE_JSERROR(IDS_UNDEFINED)
559 #define JS_E_BOOLEAN_EXPECTED        MAKE_JSERROR(IDS_NOT_BOOL)
560 #define JS_E_VBARRAY_EXPECTED        MAKE_JSERROR(IDS_NOT_VBARRAY)
561 #define JS_E_INVALID_DELETE          MAKE_JSERROR(IDS_INVALID_DELETE)
562 #define JS_E_JSCRIPT_EXPECTED        MAKE_JSERROR(IDS_JSCRIPT_EXPECTED)
563 #define JS_E_REGEXP_SYNTAX           MAKE_JSERROR(IDS_REGEXP_SYNTAX_ERROR)
564 #define JS_E_INVALID_URI_CODING      MAKE_JSERROR(IDS_URI_INVALID_CODING)
565 #define JS_E_INVALID_URI_CHAR        MAKE_JSERROR(IDS_URI_INVALID_CHAR)
566 #define JS_E_FRACTION_DIGITS_OUT_OF_RANGE MAKE_JSERROR(IDS_FRACTION_DIGITS_OUT_OF_RANGE)
567 #define JS_E_PRECISION_OUT_OF_RANGE  MAKE_JSERROR(IDS_PRECISION_OUT_OF_RANGE)
568 #define JS_E_INVALID_LENGTH          MAKE_JSERROR(IDS_INVALID_LENGTH)
569 #define JS_E_ARRAY_EXPECTED          MAKE_JSERROR(IDS_ARRAY_EXPECTED)
570 #define JS_E_NONCONFIGURABLE_REDEFINED MAKE_JSERROR(IDS_NONCONFIGURABLE_REDEFINED)
571 #define JS_E_NONWRITABLE_MODIFIED    MAKE_JSERROR(IDS_NONWRITABLE_MODIFIED)
572 #define JS_E_PROP_DESC_MISMATCH      MAKE_JSERROR(IDS_PROP_DESC_MISMATCH)
573 #define JS_E_INVALID_WRITABLE_PROP_DESC MAKE_JSERROR(IDS_INVALID_WRITABLE_PROP_DESC)
574 
575 static inline BOOL is_jscript_error(HRESULT hres)
576 {
577     return HRESULT_FACILITY(hres) == FACILITY_JSCRIPT;
578 }
579 
580 const char *debugstr_jsval(const jsval_t) DECLSPEC_HIDDEN;
581 
582 HRESULT create_jscript_object(BOOL,REFIID,void**) DECLSPEC_HIDDEN;
583 
584 extern LONG module_ref DECLSPEC_HIDDEN;
585 
586 static inline void lock_module(void)
587 {
588     InterlockedIncrement(&module_ref);
589 }
590 
591 static inline void unlock_module(void)
592 {
593     InterlockedDecrement(&module_ref);
594 }
595