xref: /reactos/dll/win32/jscript/jscript.h (revision 5ddbd373)
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 
56 typedef struct {
57     void **blocks;
58     DWORD block_cnt;
59     DWORD last_block;
60     DWORD offset;
61     BOOL mark;
62     struct list custom_blocks;
63 } heap_pool_t;
64 
65 void heap_pool_init(heap_pool_t*) DECLSPEC_HIDDEN;
66 void *heap_pool_alloc(heap_pool_t*,DWORD) __WINE_ALLOC_SIZE(2) DECLSPEC_HIDDEN;
67 void *heap_pool_grow(heap_pool_t*,void*,DWORD,DWORD) DECLSPEC_HIDDEN;
68 void heap_pool_clear(heap_pool_t*) DECLSPEC_HIDDEN;
69 void heap_pool_free(heap_pool_t*) DECLSPEC_HIDDEN;
70 heap_pool_t *heap_pool_mark(heap_pool_t*) DECLSPEC_HIDDEN;
71 
72 static inline LPWSTR heap_strdupW(LPCWSTR str)
73 {
74     LPWSTR ret = NULL;
75 
76     if(str) {
77         DWORD size;
78 
79         size = (strlenW(str)+1)*sizeof(WCHAR);
80         ret = heap_alloc(size);
81         if(ret)
82             memcpy(ret, str, size);
83     }
84 
85     return ret;
86 }
87 
88 typedef struct jsdisp_t jsdisp_t;
89 
90 extern HINSTANCE jscript_hinstance DECLSPEC_HIDDEN;
91 
92 #define PROPF_ARGMASK     0x00ff
93 #define PROPF_METHOD      0x0100
94 #define PROPF_ENUM        0x0200
95 #define PROPF_CONSTR      0x0400
96 #define PROPF_CONST       0x0800
97 #define PROPF_DONTDELETE  0x1000
98 
99 #define PROPF_VERSION_MASK  0x01ff0000
100 #define PROPF_VERSION_SHIFT 16
101 #define PROPF_HTML          (SCRIPTLANGUAGEVERSION_HTML << PROPF_VERSION_SHIFT)
102 #define PROPF_ES5           ((SCRIPTLANGUAGEVERSION_HTML|SCRIPTLANGUAGEVERSION_ES5) << PROPF_VERSION_SHIFT)
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(IDispatch*) 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(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 jsval_strict_equal(jsval_t,jsval_t,BOOL*) DECLSPEC_HIDDEN;
347 
348 HRESULT variant_change_type(script_ctx_t*,VARIANT*,VARIANT*,VARTYPE) DECLSPEC_HIDDEN;
349 
350 HRESULT decode_source(WCHAR*) DECLSPEC_HIDDEN;
351 
352 HRESULT double_to_string(double,jsstr_t**) DECLSPEC_HIDDEN;
353 BOOL is_finite(double) DECLSPEC_HIDDEN;
354 
355 typedef struct named_item_t {
356     IDispatch *disp;
357     DWORD flags;
358     LPWSTR name;
359 
360     struct named_item_t *next;
361 } named_item_t;
362 
363 typedef struct _cc_var_t cc_var_t;
364 
365 typedef struct {
366     cc_var_t *vars;
367 } cc_ctx_t;
368 
369 void release_cc(cc_ctx_t*) DECLSPEC_HIDDEN;
370 
371 typedef struct {
372     IServiceProvider IServiceProvider_iface;
373 
374     LONG ref;
375 
376     script_ctx_t *ctx;
377 } JSCaller;
378 
379 #include "jsval.h"
380 
381 typedef struct {
382     EXCEPINFO ei;
383     jsval_t val;
384 } jsexcept_t;
385 
386 typedef struct {
387     unsigned index;
388     unsigned length;
389 } match_result_t;
390 
391 struct _script_ctx_t {
392     LONG ref;
393 
394     SCRIPTSTATE state;
395     IActiveScript *active_script;
396 
397     struct _call_frame_t *call_ctx;
398     named_item_t *named_items;
399     IActiveScriptSite *site;
400     IInternetHostSecurityManager *secmgr;
401     DWORD safeopt;
402     DWORD version;
403     BOOL html_mode;
404     LCID lcid;
405     cc_ctx_t *cc;
406     JSCaller *jscaller;
407     jsexcept_t ei;
408 
409     heap_pool_t tmp_heap;
410 
411     IDispatch *host_global;
412 
413     jsval_t *stack;
414     unsigned stack_size;
415     unsigned stack_top;
416 
417     jsstr_t *last_match;
418     match_result_t match_parens[9];
419     DWORD last_match_index;
420     DWORD last_match_length;
421 
422     jsdisp_t *global;
423     jsdisp_t *function_constr;
424     jsdisp_t *array_constr;
425     jsdisp_t *bool_constr;
426     jsdisp_t *date_constr;
427     jsdisp_t *error_constr;
428     jsdisp_t *eval_error_constr;
429     jsdisp_t *range_error_constr;
430     jsdisp_t *reference_error_constr;
431     jsdisp_t *regexp_error_constr;
432     jsdisp_t *syntax_error_constr;
433     jsdisp_t *type_error_constr;
434     jsdisp_t *uri_error_constr;
435     jsdisp_t *number_constr;
436     jsdisp_t *object_constr;
437     jsdisp_t *regexp_constr;
438     jsdisp_t *string_constr;
439     jsdisp_t *vbarray_constr;
440 };
441 
442 void script_release(script_ctx_t*) DECLSPEC_HIDDEN;
443 void clear_ei(script_ctx_t*) DECLSPEC_HIDDEN;
444 
445 static inline void script_addref(script_ctx_t *ctx)
446 {
447     ctx->ref++;
448 }
449 
450 HRESULT init_global(script_ctx_t*) DECLSPEC_HIDDEN;
451 HRESULT init_function_constr(script_ctx_t*,jsdisp_t*) DECLSPEC_HIDDEN;
452 HRESULT create_object_prototype(script_ctx_t*,jsdisp_t**) DECLSPEC_HIDDEN;
453 
454 HRESULT create_activex_constr(script_ctx_t*,jsdisp_t**) DECLSPEC_HIDDEN;
455 HRESULT create_array_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
456 HRESULT create_bool_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
457 HRESULT create_date_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
458 HRESULT init_error_constr(script_ctx_t*,jsdisp_t*) DECLSPEC_HIDDEN;
459 HRESULT create_number_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
460 HRESULT create_object_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
461 HRESULT create_regexp_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
462 HRESULT create_string_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
463 HRESULT create_vbarray_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
464 
465 IUnknown *create_ax_site(script_ctx_t*) DECLSPEC_HIDDEN;
466 HRESULT create_jscaller(script_ctx_t*) DECLSPEC_HIDDEN;
467 
468 #define REM_CHECK_GLOBAL   0x0001
469 #define REM_RESET_INDEX    0x0002
470 #define REM_NO_CTX_UPDATE  0x0004
471 #define REM_ALLOC_RESULT   0x0008
472 #define REM_NO_PARENS      0x0010
473 struct match_state_t;
474 HRESULT regexp_match_next(script_ctx_t*,jsdisp_t*,DWORD,jsstr_t*,struct match_state_t**) DECLSPEC_HIDDEN;
475 HRESULT parse_regexp_flags(const WCHAR*,DWORD,DWORD*) DECLSPEC_HIDDEN;
476 HRESULT regexp_string_match(script_ctx_t*,jsdisp_t*,jsstr_t*,jsval_t*) DECLSPEC_HIDDEN;
477 
478 BOOL bool_obj_value(jsdisp_t*) DECLSPEC_HIDDEN;
479 unsigned array_get_length(jsdisp_t*) DECLSPEC_HIDDEN;
480 
481 HRESULT JSGlobal_eval(script_ctx_t*,vdisp_t*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
482 
483 static inline BOOL is_class(jsdisp_t *jsdisp, jsclass_t class)
484 {
485     return jsdisp->builtin_info->class == class;
486 }
487 
488 static inline BOOL is_vclass(vdisp_t *vdisp, jsclass_t class)
489 {
490     return is_jsdisp(vdisp) && is_class(vdisp->u.jsdisp, class);
491 }
492 
493 #ifndef INT32_MIN
494 #define INT32_MIN (-2147483647-1)
495 #endif
496 
497 #ifndef INT32_MAX
498 #define INT32_MAX (2147483647)
499 #endif
500 
501 static inline BOOL is_int32(double d)
502 {
503     return INT32_MIN <= d && d <= INT32_MAX && (double)(int)d == d;
504 }
505 
506 static inline DWORD make_grfdex(script_ctx_t *ctx, DWORD flags)
507 {
508     return ((ctx->version & 0xff) << 28) | flags;
509 }
510 
511 #define FACILITY_JSCRIPT 10
512 
513 #define MAKE_JSERROR(code) MAKE_HRESULT(SEVERITY_ERROR, FACILITY_JSCRIPT, code)
514 
515 #define JS_E_TO_PRIMITIVE            MAKE_JSERROR(IDS_TO_PRIMITIVE)
516 #define JS_E_INVALIDARG              MAKE_JSERROR(IDS_INVALID_CALL_ARG)
517 #define JS_E_SUBSCRIPT_OUT_OF_RANGE  MAKE_JSERROR(IDS_SUBSCRIPT_OUT_OF_RANGE)
518 #define JS_E_OBJECT_REQUIRED         MAKE_JSERROR(IDS_OBJECT_REQUIRED)
519 #define JS_E_CANNOT_CREATE_OBJ       MAKE_JSERROR(IDS_CREATE_OBJ_ERROR)
520 #define JS_E_INVALID_PROPERTY        MAKE_JSERROR(IDS_NO_PROPERTY)
521 #define JS_E_INVALID_ACTION          MAKE_JSERROR(IDS_UNSUPPORTED_ACTION)
522 #define JS_E_MISSING_ARG             MAKE_JSERROR(IDS_ARG_NOT_OPT)
523 #define JS_E_SYNTAX                  MAKE_JSERROR(IDS_SYNTAX_ERROR)
524 #define JS_E_MISSING_SEMICOLON       MAKE_JSERROR(IDS_SEMICOLON)
525 #define JS_E_MISSING_LBRACKET        MAKE_JSERROR(IDS_LBRACKET)
526 #define JS_E_MISSING_RBRACKET        MAKE_JSERROR(IDS_RBRACKET)
527 #define JS_E_EXPECTED_IDENTIFIER     MAKE_JSERROR(IDS_EXPECTED_IDENTIFIER)
528 #define JS_E_EXPECTED_ASSIGN         MAKE_JSERROR(IDS_EXPECTED_ASSIGN)
529 #define JS_E_INVALID_CHAR            MAKE_JSERROR(IDS_INVALID_CHAR)
530 #define JS_E_UNTERMINATED_STRING     MAKE_JSERROR(IDS_UNTERMINATED_STR)
531 #define JS_E_MISPLACED_RETURN        MAKE_JSERROR(IDS_MISPLACED_RETURN)
532 #define JS_E_INVALID_BREAK           MAKE_JSERROR(IDS_INVALID_BREAK)
533 #define JS_E_INVALID_CONTINUE        MAKE_JSERROR(IDS_INVALID_CONTINUE)
534 #define JS_E_LABEL_REDEFINED         MAKE_JSERROR(IDS_LABEL_REDEFINED)
535 #define JS_E_LABEL_NOT_FOUND         MAKE_JSERROR(IDS_LABEL_NOT_FOUND)
536 #define JS_E_EXPECTED_CCEND          MAKE_JSERROR(IDS_EXPECTED_CCEND)
537 #define JS_E_DISABLED_CC             MAKE_JSERROR(IDS_DISABLED_CC)
538 #define JS_E_EXPECTED_AT             MAKE_JSERROR(IDS_EXPECTED_AT)
539 #define JS_E_FUNCTION_EXPECTED       MAKE_JSERROR(IDS_NOT_FUNC)
540 #define JS_E_DATE_EXPECTED           MAKE_JSERROR(IDS_NOT_DATE)
541 #define JS_E_NUMBER_EXPECTED         MAKE_JSERROR(IDS_NOT_NUM)
542 #define JS_E_OBJECT_EXPECTED         MAKE_JSERROR(IDS_OBJECT_EXPECTED)
543 #define JS_E_ILLEGAL_ASSIGN          MAKE_JSERROR(IDS_ILLEGAL_ASSIGN)
544 #define JS_E_UNDEFINED_VARIABLE      MAKE_JSERROR(IDS_UNDEFINED)
545 #define JS_E_BOOLEAN_EXPECTED        MAKE_JSERROR(IDS_NOT_BOOL)
546 #define JS_E_VBARRAY_EXPECTED        MAKE_JSERROR(IDS_NOT_VBARRAY)
547 #define JS_E_INVALID_DELETE          MAKE_JSERROR(IDS_INVALID_DELETE)
548 #define JS_E_JSCRIPT_EXPECTED        MAKE_JSERROR(IDS_JSCRIPT_EXPECTED)
549 #define JS_E_REGEXP_SYNTAX           MAKE_JSERROR(IDS_REGEXP_SYNTAX_ERROR)
550 #define JS_E_INVALID_URI_CODING      MAKE_JSERROR(IDS_URI_INVALID_CODING)
551 #define JS_E_INVALID_URI_CHAR        MAKE_JSERROR(IDS_URI_INVALID_CHAR)
552 #define JS_E_FRACTION_DIGITS_OUT_OF_RANGE MAKE_JSERROR(IDS_FRACTION_DIGITS_OUT_OF_RANGE)
553 #define JS_E_PRECISION_OUT_OF_RANGE  MAKE_JSERROR(IDS_PRECISION_OUT_OF_RANGE)
554 #define JS_E_INVALID_LENGTH          MAKE_JSERROR(IDS_INVALID_LENGTH)
555 #define JS_E_ARRAY_EXPECTED          MAKE_JSERROR(IDS_ARRAY_EXPECTED)
556 
557 static inline BOOL is_jscript_error(HRESULT hres)
558 {
559     return HRESULT_FACILITY(hres) == FACILITY_JSCRIPT;
560 }
561 
562 const char *debugstr_jsval(const jsval_t) DECLSPEC_HIDDEN;
563 
564 HRESULT create_jscript_object(BOOL,REFIID,void**) DECLSPEC_HIDDEN;
565 
566 extern LONG module_ref DECLSPEC_HIDDEN;
567 
568 static inline void lock_module(void)
569 {
570     InterlockedIncrement(&module_ref);
571 }
572 
573 static inline void unlock_module(void)
574 {
575     InterlockedDecrement(&module_ref);
576 }
577