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/list.h"
  35 #include "wine/rbtree.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*);
  67 void *heap_pool_alloc(heap_pool_t*,DWORD) __WINE_ALLOC_SIZE(2);
  68 void *heap_pool_grow(heap_pool_t*,void*,DWORD,DWORD);
  69 void heap_pool_clear(heap_pool_t*);
  70 void heap_pool_free(heap_pool_t*);
  71 heap_pool_t *heap_pool_mark(heap_pool_t*);
  72
  73 typedef struct jsdisp_t jsdisp_t;
  74
  75 extern HINSTANCE jscript_hinstance ;
  76 HRESULT get_dispatch_typeinfo(ITypeInfo**);
  77
  78 #define PROPF_ARGMASK       0x00ff
  79 #define PROPF_METHOD        0x0100
  80 #define PROPF_CONSTR        0x0200
  81
  82 #define PROPF_ENUMERABLE    0x0400
  83 #define PROPF_WRITABLE      0x0800
  84 #define PROPF_CONFIGURABLE  0x1000
  85 #define PROPF_ALL           (PROPF_ENUMERABLE | PROPF_WRITABLE | PROPF_CONFIGURABLE)
  86
  87 #define PROPF_VERSION_MASK  0x01ff0000
  88 #define PROPF_VERSION_SHIFT 16
  89 #define PROPF_HTML          (SCRIPTLANGUAGEVERSION_HTML << PROPF_VERSION_SHIFT)
  90 #define PROPF_ES5           ((SCRIPTLANGUAGEVERSION_HTML|SCRIPTLANGUAGEVERSION_ES5) << PROPF_VERSION_SHIFT)
  91 #define PROPF_ES6           ((SCRIPTLANGUAGEVERSION_HTML|SCRIPTLANGUAGEVERSION_ES6) << PROPF_VERSION_SHIFT)
  92
  93 /*
  94  * This is our internal dispatch flag informing calee that it's called directly from interpreter.
  95  * If calee is executed as interpreted function, we may let already running interpreter to take
  96  * of execution.
  97  */
  98 #define DISPATCH_JSCRIPT_CALLEREXECSSOURCE  0x8000
  99 #define DISPATCH_JSCRIPT_INTERNAL_MASK      DISPATCH_JSCRIPT_CALLEREXECSSOURCE
 100
 101 /* NOTE: Keep in sync with names in Object.toString implementation */
 102 typedef enum {
 103     JSCLASS_NONE,
 104     JSCLASS_ARRAY,
 105     JSCLASS_BOOLEAN,
 106     JSCLASS_DATE,
 107     JSCLASS_ENUMERATOR,
 108     JSCLASS_ERROR,
 109     JSCLASS_FUNCTION,
 110     JSCLASS_GLOBAL,
 111     JSCLASS_MATH,
 112     JSCLASS_NUMBER,
 113     JSCLASS_OBJECT,
 114     JSCLASS_REGEXP,
 115     JSCLASS_STRING,
 116     JSCLASS_ARGUMENTS,
 117     JSCLASS_VBARRAY,
 118     JSCLASS_JSON,
 119     JSCLASS_ARRAYBUFFER,
 120     JSCLASS_DATAVIEW,
 121     JSCLASS_MAP,
 122     JSCLASS_SET,
 123     JSCLASS_WEAKMAP,
 124 } jsclass_t;
 125
 126 jsdisp_t *iface_to_jsdisp(IDispatch*);
 127
 128 typedef HRESULT (*builtin_invoke_t)(script_ctx_t*,jsval_t,WORD,unsigned,jsval_t*,jsval_t*);
 129 typedef HRESULT (*builtin_getter_t)(script_ctx_t*,jsdisp_t*,jsval_t*);
 130 typedef HRESULT (*builtin_setter_t)(script_ctx_t*,jsdisp_t*,jsval_t);
 131
 132 HRESULT builtin_set_const(script_ctx_t*,jsdisp_t*,jsval_t);
 133
 134 struct thread_data {
 135     LONG ref;
 136     LONG thread_id;
 137
 138     BOOL gc_is_unlinking;
 139     DWORD gc_last_tick;
 140
 141     struct list objects;
 142     struct rb_tree weak_refs;
 143 };
 144
 145 struct thread_data *get_thread_data(void);
 146 void release_thread_data(struct thread_data*);
 147
 148 typedef struct named_item_t {
 149     jsdisp_t *script_obj;
 150     IDispatch *disp;
 151     unsigned ref;
 152     DWORD flags;
 153     LPWSTR name;
 154
 155     struct list entry;
 156 } named_item_t;
 157
 158 struct gc_ctx;
 159
 160 enum gc_traverse_op {
 161     GC_TRAVERSE_UNLINK,
 162     GC_TRAVERSE_SPECULATIVELY,
 163     GC_TRAVERSE
 164 };
 165
 166 HRESULT create_named_item_script_obj(script_ctx_t*,named_item_t*);
 167 named_item_t *lookup_named_item(script_ctx_t*,const WCHAR*,unsigned);
 168 void release_named_item(named_item_t*);
 169 HRESULT gc_run(script_ctx_t*);
 170 HRESULT gc_process_linked_obj(struct gc_ctx*,enum gc_traverse_op,jsdisp_t*,jsdisp_t*,void**);
 171 HRESULT gc_process_linked_val(struct gc_ctx*,enum gc_traverse_op,jsdisp_t*,jsval_t*);
 172
 173 typedef struct {
 174     const WCHAR *name;
 175     builtin_invoke_t invoke;
 176     DWORD flags;
 177     builtin_getter_t getter;
 178     builtin_setter_t setter;
 179 } builtin_prop_t;
 180
 181 typedef struct {
 182     jsclass_t class;
 183     builtin_invoke_t call;
 184     DWORD props_cnt;
 185     const builtin_prop_t *props;
 186     void (*destructor)(jsdisp_t*);
 187     void (*on_put)(jsdisp_t*,const WCHAR*);
 188     unsigned (*idx_length)(jsdisp_t*);
 189     HRESULT (*idx_get)(jsdisp_t*,unsigned,jsval_t*);
 190     HRESULT (*idx_put)(jsdisp_t*,unsigned,jsval_t);
 191     HRESULT (*gc_traverse)(struct gc_ctx*,enum gc_traverse_op,jsdisp_t*);
 192 } builtin_info_t;
 193
 194 struct jsdisp_t {
 195     IDispatchEx IDispatchEx_iface;
 196
 197     LONG ref;
 198
 199     BOOLEAN has_weak_refs;
 200     BOOLEAN extensible;
 201     BOOLEAN gc_marked;
 202
 203     DWORD buf_size;
 204     DWORD prop_cnt;
 205     dispex_prop_t *props;
 206     script_ctx_t *ctx;
 207
 208     jsdisp_t *prototype;
 209
 210     const builtin_info_t *builtin_info;
 211     struct list entry;
 212 };
 213
 214 static inline IDispatch *to_disp(jsdisp_t *jsdisp)
 215 {
 216     return (IDispatch*)&jsdisp->IDispatchEx_iface;
 217 }
 218
 219 static inline IDispatchEx *to_dispex(jsdisp_t *jsdisp)
 220 {
 221     return &jsdisp->IDispatchEx_iface;
 222 }
 223
 224 jsdisp_t *as_jsdisp(IDispatch*);
 225 jsdisp_t *to_jsdisp(IDispatch*);
 226 void jsdisp_free(jsdisp_t*);
 227
 228 #ifndef TRACE_REFCNT
 229
 230 /*
 231  * We do a lot of refcount calls during script execution, so having an inline
 232  * version is a nice perf win. Define TRACE_REFCNT macro when debugging
 233  * refcount bugs to have traces. Also, since jsdisp_t is not thread safe anyways,
 234  * there is no point in using atomic operations.
 235  */
 236 static inline jsdisp_t *jsdisp_addref(jsdisp_t *jsdisp)
 237 {
 238     jsdisp->ref++;
 239     return jsdisp;
 240 }
 241
 242 static inline void jsdisp_release(jsdisp_t *jsdisp)
 243 {
 244     if(!--jsdisp->ref)
 245         jsdisp_free(jsdisp);
 246 }
 247
 248 #else
 249
 250 jsdisp_t *jsdisp_addref(jsdisp_t*);
 251 void jsdisp_release(jsdisp_t*);
 252
 253 #endif
 254
 255 enum jsdisp_enum_type {
 256     JSDISP_ENUM_ALL,
 257     JSDISP_ENUM_OWN,
 258     JSDISP_ENUM_OWN_ENUMERABLE
 259 };
 260
 261 HRESULT create_dispex(script_ctx_t*,const builtin_info_t*,jsdisp_t*,jsdisp_t**);
 262 HRESULT init_dispex(jsdisp_t*,script_ctx_t*,const builtin_info_t*,jsdisp_t*);
 263 HRESULT init_dispex_from_constr(jsdisp_t*,script_ctx_t*,const builtin_info_t*,jsdisp_t*);
 264
 265 HRESULT disp_call(script_ctx_t*,IDispatch*,DISPID,WORD,unsigned,jsval_t*,jsval_t*);
 266 HRESULT disp_call_name(script_ctx_t*,IDispatch*,const WCHAR*,WORD,unsigned,jsval_t*,jsval_t*);
 267 HRESULT disp_call_value_with_caller(script_ctx_t*,IDispatch*,jsval_t,WORD,unsigned,jsval_t*,jsval_t*,IServiceProvider*);
 268 HRESULT jsdisp_call_value(jsdisp_t*,jsval_t,WORD,unsigned,jsval_t*,jsval_t*);
 269 HRESULT jsdisp_call(jsdisp_t*,DISPID,WORD,unsigned,jsval_t*,jsval_t*);
 270 HRESULT jsdisp_call_name(jsdisp_t*,const WCHAR*,WORD,unsigned,jsval_t*,jsval_t*);
 271 HRESULT disp_propget(script_ctx_t*,IDispatch*,DISPID,jsval_t*);
 272 HRESULT disp_propput(script_ctx_t*,IDispatch*,DISPID,jsval_t);
 273 HRESULT disp_propput_name(script_ctx_t*,IDispatch*,const WCHAR*,jsval_t);
 274 HRESULT jsdisp_propget(jsdisp_t*,DISPID,jsval_t*);
 275 HRESULT jsdisp_propput(jsdisp_t*,const WCHAR*,DWORD,BOOL,jsval_t);
 276 HRESULT jsdisp_propput_name(jsdisp_t*,const WCHAR*,jsval_t);
 277 HRESULT jsdisp_propput_idx(jsdisp_t*,DWORD,jsval_t);
 278 HRESULT jsdisp_propget_name(jsdisp_t*,LPCWSTR,jsval_t*);
 279 HRESULT jsdisp_get_idx(jsdisp_t*,DWORD,jsval_t*);
 280 HRESULT jsdisp_get_id(jsdisp_t*,const WCHAR*,DWORD,DISPID*);
 281 HRESULT jsdisp_get_idx_id(jsdisp_t*,DWORD,DISPID*);
 282 HRESULT disp_delete(IDispatch*,DISPID,BOOL*);
 283 HRESULT disp_delete_name(script_ctx_t*,IDispatch*,jsstr_t*,BOOL*);
 284 HRESULT jsdisp_delete_idx(jsdisp_t*,DWORD);
 285 HRESULT jsdisp_get_own_property(jsdisp_t*,const WCHAR*,BOOL,property_desc_t*);
 286 HRESULT jsdisp_define_property(jsdisp_t*,const WCHAR*,property_desc_t*);
 287 HRESULT jsdisp_define_data_property(jsdisp_t*,const WCHAR*,unsigned,jsval_t);
 288 HRESULT jsdisp_next_prop(jsdisp_t*,DISPID,enum jsdisp_enum_type,DISPID*);
 289 HRESULT jsdisp_get_prop_name(jsdisp_t*,DISPID,jsstr_t**);
 290 HRESULT jsdisp_change_prototype(jsdisp_t*,jsdisp_t*);
 291 void jsdisp_freeze(jsdisp_t*,BOOL);
 292 BOOL jsdisp_is_frozen(jsdisp_t*,BOOL);
 293
 294 HRESULT create_builtin_function(script_ctx_t*,builtin_invoke_t,const WCHAR*,const builtin_info_t*,DWORD,
 295         jsdisp_t*,jsdisp_t**);
 296 HRESULT create_builtin_constructor(script_ctx_t*,builtin_invoke_t,const WCHAR*,const builtin_info_t*,DWORD,
 297         jsdisp_t*,jsdisp_t**);
 298 HRESULT Function_invoke(jsdisp_t*,jsval_t,WORD,unsigned,jsval_t*,jsval_t*);
 299
 300 HRESULT Function_value(script_ctx_t*,jsval_t,WORD,unsigned,jsval_t*,jsval_t*);
 301 HRESULT Function_get_value(script_ctx_t*,jsdisp_t*,jsval_t*);
 302 struct _function_code_t *Function_get_code(jsdisp_t*);
 303
 304 HRESULT throw_error(script_ctx_t*,HRESULT,const WCHAR*);
 305 jsdisp_t *create_builtin_error(script_ctx_t *ctx);
 306
 307 HRESULT create_object(script_ctx_t*,jsdisp_t*,jsdisp_t**);
 308 HRESULT create_math(script_ctx_t*,jsdisp_t**);
 309 HRESULT create_array(script_ctx_t*,DWORD,jsdisp_t**);
 310 HRESULT create_regexp(script_ctx_t*,jsstr_t*,DWORD,jsdisp_t**);
 311 HRESULT create_regexp_var(script_ctx_t*,jsval_t,jsval_t*,jsdisp_t**);
 312 HRESULT create_string(script_ctx_t*,jsstr_t*,jsdisp_t**);
 313 HRESULT create_bool(script_ctx_t*,BOOL,jsdisp_t**);
 314 HRESULT create_number(script_ctx_t*,double,jsdisp_t**);
 315 HRESULT create_vbarray(script_ctx_t*,SAFEARRAY*,jsdisp_t**);
 316 HRESULT create_json(script_ctx_t*,jsdisp_t**);
 317
 318 typedef enum {
 319     NO_HINT,
 320     HINT_STRING,
 321     HINT_NUMBER
 322 } hint_t;
 323
 324 HRESULT to_primitive(script_ctx_t*,jsval_t,jsval_t*, hint_t);
 325 HRESULT to_boolean(jsval_t,BOOL*);
 326 HRESULT to_number(script_ctx_t*,jsval_t,double*);
 327 HRESULT to_integer(script_ctx_t*,jsval_t,double*);
 328 HRESULT to_int32(script_ctx_t*,jsval_t,INT*);
 329 HRESULT to_long(script_ctx_t*,jsval_t,LONG*);
 330 HRESULT to_uint32(script_ctx_t*,jsval_t,UINT32*);
 331 HRESULT to_string(script_ctx_t*,jsval_t,jsstr_t**);
 332 HRESULT to_flat_string(script_ctx_t*,jsval_t,jsstr_t**,const WCHAR**);
 333 HRESULT to_object(script_ctx_t*,jsval_t,IDispatch**);
 334
 335 HRESULT jsval_strict_equal(jsval_t,jsval_t,BOOL*);
 336
 337 HRESULT variant_change_type(script_ctx_t*,VARIANT*,VARIANT*,VARTYPE);
 338 HRESULT variant_date_to_number(double,double*);
 339 HRESULT variant_date_to_string(script_ctx_t*,double,jsstr_t**);
 340
 341 HRESULT decode_source(WCHAR*);
 342
 343 HRESULT double_to_string(double,jsstr_t**);
 344 WCHAR *idx_to_str(DWORD,WCHAR*);
 345
 346 static inline BOOL is_digit(WCHAR c)
 347 {
 348     return '0' <= c && c <= '9';
 349 }
 350
 351 typedef struct _cc_var_t cc_var_t;
 352
 353 typedef struct {
 354     cc_var_t *vars;
 355 } cc_ctx_t;
 356
 357 void release_cc(cc_ctx_t*);
 358
 359 #define SP_CALLER_UNINITIALIZED ((IServiceProvider*)IntToPtr(-1))
 360
 361 typedef struct {
 362     IServiceProvider IServiceProvider_iface;
 363
 364     LONG ref;
 365
 366     script_ctx_t *ctx;
 367     IServiceProvider *caller;
 368 } JSCaller;
 369
 370 #include "jsval.h"
 371
 372 struct _property_desc_t {
 373     unsigned flags;
 374     unsigned mask;
 375     BOOL explicit_value;
 376     jsval_t value;
 377     BOOL explicit_getter;
 378     jsdisp_t *getter;
 379     BOOL explicit_setter;
 380     jsdisp_t *setter;
 381 };
 382
 383 typedef struct {
 384     unsigned index;
 385     unsigned length;
 386 } match_result_t;
 387
 388 struct weak_refs_entry {
 389     struct rb_entry entry;
 390     struct list list;
 391 };
 392
 393 struct _script_ctx_t {
 394     LONG ref;
 395
 396     SCRIPTSTATE state;
 397     IActiveScript *active_script;
 398
 399     struct thread_data *thread_data;
 400     struct _call_frame_t *call_ctx;
 401     struct list named_items;
 402     IActiveScriptSite *site;
 403     IInternetHostSecurityManager *secmgr;
 404     DWORD safeopt;
 405     DWORD version;
 406     BOOL html_mode;
 407     LCID lcid;
 408     cc_ctx_t *cc;
 409     JSCaller *jscaller;
 410     jsexcept_t *ei;
 411
 412     heap_pool_t tmp_heap;
 413
 414     jsval_t *stack;
 415     unsigned stack_top;
 416     jsval_t acc;
 417
 418     jsstr_t *last_match;
 419     match_result_t match_parens[9];
 420     DWORD last_match_index;
 421     DWORD last_match_length;
 422
 423     union {
 424         struct {
 425             jsdisp_t *global;
 426             jsdisp_t *function_constr;
 427             jsdisp_t *array_constr;
 428             jsdisp_t *bool_constr;
 429             jsdisp_t *date_constr;
 430             jsdisp_t *enumerator_constr;
 431             jsdisp_t *error_constr;
 432             jsdisp_t *eval_error_constr;
 433             jsdisp_t *range_error_constr;
 434             jsdisp_t *reference_error_constr;
 435             jsdisp_t *regexp_error_constr;
 436             jsdisp_t *syntax_error_constr;
 437             jsdisp_t *type_error_constr;
 438             jsdisp_t *uri_error_constr;
 439             jsdisp_t *number_constr;
 440             jsdisp_t *object_constr;
 441             jsdisp_t *object_prototype;
 442             jsdisp_t *regexp_constr;
 443             jsdisp_t *string_constr;
 444             jsdisp_t *vbarray_constr;
 445             jsdisp_t *arraybuf_constr;
 446             jsdisp_t *dataview_constr;
 447             jsdisp_t *map_prototype;
 448             jsdisp_t *set_prototype;
 449             jsdisp_t *weakmap_prototype;
 450         };
 451         jsdisp_t *global_objects[25];
 452     };
 453 };
 454 C_ASSERT(RTL_SIZEOF_THROUGH_FIELD(script_ctx_t, weakmap_prototype) == RTL_SIZEOF_THROUGH_FIELD(script_ctx_t, global_objects));
 455
 456 struct weakmap_entry {
 457     struct rb_entry entry;
 458     jsdisp_t *key;
 459     jsval_t value;
 460     jsdisp_t *weakmap;
 461     struct list weak_refs_entry;
 462 };
 463 void remove_weakmap_entry(struct weakmap_entry*);
 464
 465 void script_release(script_ctx_t*);
 466
 467 static inline void script_addref(script_ctx_t *ctx)
 468 {
 469     ctx->ref++;
 470 }
 471
 472 HRESULT init_global(script_ctx_t*);
 473 HRESULT init_function_constr(script_ctx_t*,jsdisp_t*);
 474 HRESULT create_object_prototype(script_ctx_t*,jsdisp_t**);
 475 HRESULT init_set_constructor(script_ctx_t*);
 476 HRESULT init_arraybuf_constructors(script_ctx_t*);
 477
 478 HRESULT create_activex_constr(script_ctx_t*,jsdisp_t**);
 479 HRESULT create_array_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**);
 480 HRESULT create_bool_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**);
 481 HRESULT create_date_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**);
 482 HRESULT init_error_constr(script_ctx_t*,jsdisp_t*);
 483 HRESULT create_enumerator_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**);
 484 HRESULT create_number_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**);
 485 HRESULT create_object_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**);
 486 HRESULT create_regexp_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**);
 487 HRESULT create_string_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**);
 488 HRESULT create_vbarray_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**);
 489
 490 IUnknown *create_ax_site(script_ctx_t*);
 491 HRESULT create_jscaller(script_ctx_t*);
 492
 493 #define REM_CHECK_GLOBAL   0x0001
 494 #define REM_RESET_INDEX    0x0002
 495 #define REM_NO_CTX_UPDATE  0x0004
 496 #define REM_ALLOC_RESULT   0x0008
 497 #define REM_NO_PARENS      0x0010
 498 struct match_state_t;
 499 HRESULT regexp_match_next(script_ctx_t*,jsdisp_t*,DWORD,jsstr_t*,struct match_state_t**);
 500 HRESULT parse_regexp_flags(const WCHAR*,DWORD,DWORD*);
 501 HRESULT regexp_string_match(script_ctx_t*,jsdisp_t*,jsstr_t*,jsval_t*);
 502
 503 BOOL bool_obj_value(jsdisp_t*);
 504 unsigned array_get_length(jsdisp_t*);
 505 HRESULT localize_number(script_ctx_t*,DOUBLE,BOOL,jsstr_t**);
 506
 507 BOOL is_builtin_eval_func(jsdisp_t*);
 508 HRESULT builtin_eval(script_ctx_t*,struct _call_frame_t*,WORD,unsigned,jsval_t*,jsval_t*);
 509 HRESULT JSGlobal_eval(script_ctx_t*,jsval_t,WORD,unsigned,jsval_t*,jsval_t*);
 510 HRESULT Object_get_proto_(script_ctx_t*,jsval_t,WORD,unsigned,jsval_t*,jsval_t*);
 511 HRESULT Object_set_proto_(script_ctx_t*,jsval_t,WORD,unsigned,jsval_t*,jsval_t*);
 512
 513 static inline BOOL is_class(jsdisp_t *jsdisp, jsclass_t class)
 514 {
 515     return jsdisp->builtin_info->class == class;
 516 }
 517
 518 static inline BOOL is_int32(double d)
 519 {
 520     return INT32_MIN <= d && d <= INT32_MAX && (double)(int)d == d;
 521 }
 522
 523 static inline DWORD make_grfdex(script_ctx_t *ctx, DWORD flags)
 524 {
 525     return ((ctx->version & 0xff) << 28) | flags;
 526 }
 527
 528 static inline HRESULT disp_call_value(script_ctx_t *ctx, IDispatch *disp, jsval_t vthis, WORD flags, unsigned argc,
 529         jsval_t *argv, jsval_t *r)
 530 {
 531     return disp_call_value_with_caller(ctx, disp, vthis, flags, argc, argv, r, &ctx->jscaller->IServiceProvider_iface);
 532 }
 533
 534 #define MAKE_JSERROR(code) MAKE_HRESULT(SEVERITY_ERROR, FACILITY_CONTROL, code)
 535
 536 #define JS_E_TO_PRIMITIVE            MAKE_JSERROR(IDS_TO_PRIMITIVE)
 537 #define JS_E_INVALIDARG              MAKE_JSERROR(IDS_INVALID_CALL_ARG)
 538 #define JS_E_SUBSCRIPT_OUT_OF_RANGE  MAKE_JSERROR(IDS_SUBSCRIPT_OUT_OF_RANGE)
 539 #define JS_E_STACK_OVERFLOW          MAKE_JSERROR(IDS_STACK_OVERFLOW)
 540 #define JS_E_OBJECT_REQUIRED         MAKE_JSERROR(IDS_OBJECT_REQUIRED)
 541 #define JS_E_CANNOT_CREATE_OBJ       MAKE_JSERROR(IDS_CREATE_OBJ_ERROR)
 542 #define JS_E_INVALID_PROPERTY        MAKE_JSERROR(IDS_NO_PROPERTY)
 543 #define JS_E_INVALID_ACTION          MAKE_JSERROR(IDS_UNSUPPORTED_ACTION)
 544 #define JS_E_MISSING_ARG             MAKE_JSERROR(IDS_ARG_NOT_OPT)
 545 #define JS_E_SYNTAX                  MAKE_JSERROR(IDS_SYNTAX_ERROR)
 546 #define JS_E_MISSING_SEMICOLON       MAKE_JSERROR(IDS_SEMICOLON)
 547 #define JS_E_MISSING_LBRACKET        MAKE_JSERROR(IDS_LBRACKET)
 548 #define JS_E_MISSING_RBRACKET        MAKE_JSERROR(IDS_RBRACKET)
 549 #define JS_E_EXPECTED_IDENTIFIER     MAKE_JSERROR(IDS_EXPECTED_IDENTIFIER)
 550 #define JS_E_EXPECTED_ASSIGN         MAKE_JSERROR(IDS_EXPECTED_ASSIGN)
 551 #define JS_E_INVALID_CHAR            MAKE_JSERROR(IDS_INVALID_CHAR)
 552 #define JS_E_UNTERMINATED_STRING     MAKE_JSERROR(IDS_UNTERMINATED_STR)
 553 #define JS_E_MISPLACED_RETURN        MAKE_JSERROR(IDS_MISPLACED_RETURN)
 554 #define JS_E_INVALID_BREAK           MAKE_JSERROR(IDS_INVALID_BREAK)
 555 #define JS_E_INVALID_CONTINUE        MAKE_JSERROR(IDS_INVALID_CONTINUE)
 556 #define JS_E_LABEL_REDEFINED         MAKE_JSERROR(IDS_LABEL_REDEFINED)
 557 #define JS_E_LABEL_NOT_FOUND         MAKE_JSERROR(IDS_LABEL_NOT_FOUND)
 558 #define JS_E_EXPECTED_CCEND          MAKE_JSERROR(IDS_EXPECTED_CCEND)
 559 #define JS_E_DISABLED_CC             MAKE_JSERROR(IDS_DISABLED_CC)
 560 #define JS_E_EXPECTED_AT             MAKE_JSERROR(IDS_EXPECTED_AT)
 561 #define JS_E_FUNCTION_EXPECTED       MAKE_JSERROR(IDS_NOT_FUNC)
 562 #define JS_E_DATE_EXPECTED           MAKE_JSERROR(IDS_NOT_DATE)
 563 #define JS_E_NUMBER_EXPECTED         MAKE_JSERROR(IDS_NOT_NUM)
 564 #define JS_E_OBJECT_EXPECTED         MAKE_JSERROR(IDS_OBJECT_EXPECTED)
 565 #define JS_E_ILLEGAL_ASSIGN          MAKE_JSERROR(IDS_ILLEGAL_ASSIGN)
 566 #define JS_E_UNDEFINED_VARIABLE      MAKE_JSERROR(IDS_UNDEFINED)
 567 #define JS_E_BOOLEAN_EXPECTED        MAKE_JSERROR(IDS_NOT_BOOL)
 568 #define JS_E_VBARRAY_EXPECTED        MAKE_JSERROR(IDS_NOT_VBARRAY)
 569 #define JS_E_INVALID_DELETE          MAKE_JSERROR(IDS_INVALID_DELETE)
 570 #define JS_E_JSCRIPT_EXPECTED        MAKE_JSERROR(IDS_JSCRIPT_EXPECTED)
 571 #define JS_E_ENUMERATOR_EXPECTED     MAKE_JSERROR(IDS_ENUMERATOR_EXPECTED)
 572 #define JS_E_REGEXP_EXPECTED         MAKE_JSERROR(IDS_REGEXP_EXPECTED)
 573 #define JS_E_REGEXP_SYNTAX           MAKE_JSERROR(IDS_REGEXP_SYNTAX_ERROR)
 574 #define JS_E_UNEXPECTED_QUANTIFIER   MAKE_JSERROR(IDS_UNEXPECTED_QUANTIFIER)
 575 #define JS_E_EXCEPTION_THROWN        MAKE_JSERROR(IDS_EXCEPTION_THROWN)
 576 #define JS_E_INVALID_URI_CODING      MAKE_JSERROR(IDS_URI_INVALID_CODING)
 577 #define JS_E_INVALID_URI_CHAR        MAKE_JSERROR(IDS_URI_INVALID_CHAR)
 578 #define JS_E_FRACTION_DIGITS_OUT_OF_RANGE MAKE_JSERROR(IDS_FRACTION_DIGITS_OUT_OF_RANGE)
 579 #define JS_E_PRECISION_OUT_OF_RANGE  MAKE_JSERROR(IDS_PRECISION_OUT_OF_RANGE)
 580 #define JS_E_INVALID_LENGTH          MAKE_JSERROR(IDS_INVALID_LENGTH)
 581 #define JS_E_ARRAY_EXPECTED          MAKE_JSERROR(IDS_ARRAY_EXPECTED)
 582 #define JS_E_CYCLIC_PROTO_VALUE      MAKE_JSERROR(IDS_CYCLIC_PROTO_VALUE)
 583 #define JS_E_CANNOT_CREATE_FOR_NONEXTENSIBLE MAKE_JSERROR(IDS_CREATE_FOR_NONEXTENSIBLE)
 584 #define JS_E_OBJECT_NONEXTENSIBLE    MAKE_JSERROR(IDS_OBJECT_NONEXTENSIBLE)
 585 #define JS_E_NONCONFIGURABLE_REDEFINED MAKE_JSERROR(IDS_NONCONFIGURABLE_REDEFINED)
 586 #define JS_E_NONWRITABLE_MODIFIED    MAKE_JSERROR(IDS_NONWRITABLE_MODIFIED)
 587 #define JS_E_NOT_DATAVIEW            MAKE_JSERROR(IDS_NOT_DATAVIEW)
 588 #define JS_E_DATAVIEW_NO_ARGUMENT    MAKE_JSERROR(IDS_DATAVIEW_NO_ARGUMENT)
 589 #define JS_E_DATAVIEW_INVALID_ACCESS MAKE_JSERROR(IDS_DATAVIEW_INVALID_ACCESS)
 590 #define JS_E_DATAVIEW_INVALID_OFFSET MAKE_JSERROR(IDS_DATAVIEW_INVALID_OFFSET)
 591 #define JS_E_WRONG_THIS              MAKE_JSERROR(IDS_WRONG_THIS)
 592 #define JS_E_KEY_NOT_OBJECT          MAKE_JSERROR(IDS_KEY_NOT_OBJECT)
 593 #define JS_E_ARRAYBUFFER_EXPECTED    MAKE_JSERROR(IDS_ARRAYBUFFER_EXPECTED)
 594 #define JS_E_PROP_DESC_MISMATCH      MAKE_JSERROR(IDS_PROP_DESC_MISMATCH)
 595 #define JS_E_INVALID_WRITABLE_PROP_DESC MAKE_JSERROR(IDS_INVALID_WRITABLE_PROP_DESC)
 596
 597 static inline BOOL is_jscript_error(HRESULT hres)
 598 {
 599     return HRESULT_FACILITY(hres) == FACILITY_CONTROL;
 600 }
 601
 602 const char *debugstr_jsval(const jsval_t);
 603
 604 HRESULT create_jscript_object(BOOL,REFIID,void**);
 605
 606 extern LONG module_ref ;
 607
 608 static inline void lock_module(void)
 609 {
 610     InterlockedIncrement(&module_ref);
 611 }
 612
 613 static inline void unlock_module(void)
 614 {
 615     InterlockedDecrement(&module_ref);
 616 }