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
  36 /*
  37  * This is Wine jscript extension for ES5 compatible mode. Native IE9+ implements
  38  * a separated JavaScript enging in side MSHTML. We implement its features here
  39  * and enable it when HTML flag is specified in SCRIPTPROP_INVOKEVERSIONING property.
  40  */
  41 #define SCRIPTLANGUAGEVERSION_HTML 0x400
  42
  43 /*
  44  * This is Wine jscript extension for ES5 and ES6 compatible mode. Allowed only in HTML mode.
  45  */
  46 #define SCRIPTLANGUAGEVERSION_ES5  0x102
  47 #define SCRIPTLANGUAGEVERSION_ES6  0x103
  48
  49 typedef struct _jsval_t jsval_t;
  50 typedef struct _jsstr_t jsstr_t;
  51 typedef struct _jsexcept_t jsexcept_t;
  52 typedef struct _script_ctx_t script_ctx_t;
  53 typedef struct _dispex_prop_t dispex_prop_t;
  54 typedef struct _property_desc_t property_desc_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 typedef struct jsdisp_t jsdisp_t;
  73
  74 extern HINSTANCE jscript_hinstance DECLSPEC_HIDDEN;
  75 HRESULT get_dispatch_typeinfo(ITypeInfo**) DECLSPEC_HIDDEN;
  76
  77 #define PROPF_ARGMASK       0x00ff
  78 #define PROPF_METHOD        0x0100
  79 #define PROPF_CONSTR        0x0200
  80
  81 #define PROPF_ENUMERABLE    0x0400
  82 #define PROPF_WRITABLE      0x0800
  83 #define PROPF_CONFIGURABLE  0x1000
  84 #define PROPF_ALL           (PROPF_ENUMERABLE | PROPF_WRITABLE | PROPF_CONFIGURABLE)
  85
  86 #define PROPF_VERSION_MASK  0x01ff0000
  87 #define PROPF_VERSION_SHIFT 16
  88 #define PROPF_HTML          (SCRIPTLANGUAGEVERSION_HTML << PROPF_VERSION_SHIFT)
  89 #define PROPF_ES5           ((SCRIPTLANGUAGEVERSION_HTML|SCRIPTLANGUAGEVERSION_ES5) << PROPF_VERSION_SHIFT)
  90 #define PROPF_ES6           ((SCRIPTLANGUAGEVERSION_HTML|SCRIPTLANGUAGEVERSION_ES6) << PROPF_VERSION_SHIFT)
  91
  92 /*
  93  * This is our internal dispatch flag informing calee that it's called directly from interpreter.
  94  * If calee is executed as interpreted function, we may let already running interpreter to take
  95  * of execution.
  96  */
  97 #define DISPATCH_JSCRIPT_CALLEREXECSSOURCE  0x8000
  98 #define DISPATCH_JSCRIPT_INTERNAL_MASK      DISPATCH_JSCRIPT_CALLEREXECSSOURCE
  99
 100 /* NOTE: Keep in sync with names in Object.toString implementation */
 101 typedef enum {
 102     JSCLASS_NONE,
 103     JSCLASS_ARRAY,
 104     JSCLASS_BOOLEAN,
 105     JSCLASS_DATE,
 106     JSCLASS_ENUMERATOR,
 107     JSCLASS_ERROR,
 108     JSCLASS_FUNCTION,
 109     JSCLASS_GLOBAL,
 110     JSCLASS_MATH,
 111     JSCLASS_NUMBER,
 112     JSCLASS_OBJECT,
 113     JSCLASS_REGEXP,
 114     JSCLASS_STRING,
 115     JSCLASS_ARGUMENTS,
 116     JSCLASS_VBARRAY,
 117     JSCLASS_JSON,
 118     JSCLASS_MAP,
 119     JSCLASS_SET,
 120 } jsclass_t;
 121
 122 jsdisp_t *iface_to_jsdisp(IDispatch*) DECLSPEC_HIDDEN;
 123
 124 typedef HRESULT (*builtin_invoke_t)(script_ctx_t*,jsval_t,WORD,unsigned,jsval_t*,jsval_t*);
 125 typedef HRESULT (*builtin_getter_t)(script_ctx_t*,jsdisp_t*,jsval_t*);
 126 typedef HRESULT (*builtin_setter_t)(script_ctx_t*,jsdisp_t*,jsval_t);
 127
 128 HRESULT builtin_set_const(script_ctx_t*,jsdisp_t*,jsval_t) DECLSPEC_HIDDEN;
 129
 130 typedef struct named_item_t {
 131     jsdisp_t *script_obj;
 132     IDispatch *disp;
 133     unsigned ref;
 134     DWORD flags;
 135     LPWSTR name;
 136
 137     struct list entry;
 138 } named_item_t;
 139
 140 struct gc_ctx;
 141
 142 enum gc_traverse_op {
 143     GC_TRAVERSE_UNLINK,
 144     GC_TRAVERSE_SPECULATIVELY,
 145     GC_TRAVERSE
 146 };
 147
 148 HRESULT create_named_item_script_obj(script_ctx_t*,named_item_t*) DECLSPEC_HIDDEN;
 149 named_item_t *lookup_named_item(script_ctx_t*,const WCHAR*,unsigned) DECLSPEC_HIDDEN;
 150 void release_named_item(named_item_t*) DECLSPEC_HIDDEN;
 151 HRESULT gc_run(script_ctx_t*) DECLSPEC_HIDDEN;
 152 HRESULT gc_process_linked_obj(struct gc_ctx*,enum gc_traverse_op,jsdisp_t*,jsdisp_t*,void**) DECLSPEC_HIDDEN;
 153 HRESULT gc_process_linked_val(struct gc_ctx*,enum gc_traverse_op,jsdisp_t*,jsval_t*) DECLSPEC_HIDDEN;
 154
 155 typedef struct {
 156     const WCHAR *name;
 157     builtin_invoke_t invoke;
 158     DWORD flags;
 159     builtin_getter_t getter;
 160     builtin_setter_t setter;
 161 } builtin_prop_t;
 162
 163 typedef struct {
 164     jsclass_t class;
 165     builtin_invoke_t call;
 166     DWORD props_cnt;
 167     const builtin_prop_t *props;
 168     void (*destructor)(jsdisp_t*);
 169     void (*on_put)(jsdisp_t*,const WCHAR*);
 170     unsigned (*idx_length)(jsdisp_t*);
 171     HRESULT (*idx_get)(jsdisp_t*,unsigned,jsval_t*);
 172     HRESULT (*idx_put)(jsdisp_t*,unsigned,jsval_t);
 173     HRESULT (*gc_traverse)(struct gc_ctx*,enum gc_traverse_op,jsdisp_t*);
 174 } builtin_info_t;
 175
 176 struct jsdisp_t {
 177     IDispatchEx IDispatchEx_iface;
 178
 179     LONG ref;
 180
 181     BOOLEAN extensible;
 182     BOOLEAN gc_marked;
 183
 184     DWORD buf_size;
 185     DWORD prop_cnt;
 186     dispex_prop_t *props;
 187     script_ctx_t *ctx;
 188
 189     jsdisp_t *prototype;
 190
 191     const builtin_info_t *builtin_info;
 192     struct list entry;
 193 };
 194
 195 static inline IDispatch *to_disp(jsdisp_t *jsdisp)
 196 {
 197     return (IDispatch*)&jsdisp->IDispatchEx_iface;
 198 }
 199
 200 jsdisp_t *as_jsdisp(IDispatch*) DECLSPEC_HIDDEN;
 201 jsdisp_t *to_jsdisp(IDispatch*) DECLSPEC_HIDDEN;
 202 void jsdisp_free(jsdisp_t*) DECLSPEC_HIDDEN;
 203
 204 #ifndef TRACE_REFCNT
 205
 206 /*
 207  * We do a lot of refcount calls during script execution, so having an inline
 208  * version is a nice perf win. Define TRACE_REFCNT macro when debugging
 209  * refcount bugs to have traces. Also, since jsdisp_t is not thread safe anyways,
 210  * there is no point in using atomic operations.
 211  */
 212 static inline jsdisp_t *jsdisp_addref(jsdisp_t *jsdisp)
 213 {
 214     jsdisp->ref++;
 215     return jsdisp;
 216 }
 217
 218 static inline void jsdisp_release(jsdisp_t *jsdisp)
 219 {
 220     if(!--jsdisp->ref)
 221         jsdisp_free(jsdisp);
 222 }
 223
 224 #else
 225
 226 jsdisp_t *jsdisp_addref(jsdisp_t*) DECLSPEC_HIDDEN;
 227 void jsdisp_release(jsdisp_t*) DECLSPEC_HIDDEN;
 228
 229 #endif
 230
 231 enum jsdisp_enum_type {
 232     JSDISP_ENUM_ALL,
 233     JSDISP_ENUM_OWN,
 234     JSDISP_ENUM_OWN_ENUMERABLE
 235 };
 236
 237 HRESULT create_dispex(script_ctx_t*,const builtin_info_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 238 HRESULT init_dispex(jsdisp_t*,script_ctx_t*,const builtin_info_t*,jsdisp_t*) DECLSPEC_HIDDEN;
 239 HRESULT init_dispex_from_constr(jsdisp_t*,script_ctx_t*,const builtin_info_t*,jsdisp_t*) DECLSPEC_HIDDEN;
 240
 241 HRESULT disp_call(script_ctx_t*,IDispatch*,DISPID,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 242 HRESULT disp_call_name(script_ctx_t*,IDispatch*,const WCHAR*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 243 HRESULT disp_call_value_with_caller(script_ctx_t*,IDispatch*,jsval_t,WORD,unsigned,jsval_t*,jsval_t*,IServiceProvider*) DECLSPEC_HIDDEN;
 244 HRESULT jsdisp_call_value(jsdisp_t*,jsval_t,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 245 HRESULT jsdisp_call(jsdisp_t*,DISPID,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 246 HRESULT jsdisp_call_name(jsdisp_t*,const WCHAR*,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 247 HRESULT disp_propget(script_ctx_t*,IDispatch*,DISPID,jsval_t*) DECLSPEC_HIDDEN;
 248 HRESULT disp_propput(script_ctx_t*,IDispatch*,DISPID,jsval_t) DECLSPEC_HIDDEN;
 249 HRESULT disp_propput_name(script_ctx_t*,IDispatch*,const WCHAR*,jsval_t) DECLSPEC_HIDDEN;
 250 HRESULT jsdisp_propget(jsdisp_t*,DISPID,jsval_t*) DECLSPEC_HIDDEN;
 251 HRESULT jsdisp_propput(jsdisp_t*,const WCHAR*,DWORD,BOOL,jsval_t) DECLSPEC_HIDDEN;
 252 HRESULT jsdisp_propput_name(jsdisp_t*,const WCHAR*,jsval_t) DECLSPEC_HIDDEN;
 253 HRESULT jsdisp_propput_idx(jsdisp_t*,DWORD,jsval_t) DECLSPEC_HIDDEN;
 254 HRESULT jsdisp_propget_name(jsdisp_t*,LPCWSTR,jsval_t*) DECLSPEC_HIDDEN;
 255 HRESULT jsdisp_get_idx(jsdisp_t*,DWORD,jsval_t*) DECLSPEC_HIDDEN;
 256 HRESULT jsdisp_get_id(jsdisp_t*,const WCHAR*,DWORD,DISPID*) DECLSPEC_HIDDEN;
 257 HRESULT disp_delete(IDispatch*,DISPID,BOOL*) DECLSPEC_HIDDEN;
 258 HRESULT disp_delete_name(script_ctx_t*,IDispatch*,jsstr_t*,BOOL*) DECLSPEC_HIDDEN;
 259 HRESULT jsdisp_delete_idx(jsdisp_t*,DWORD) DECLSPEC_HIDDEN;
 260 HRESULT jsdisp_get_own_property(jsdisp_t*,const WCHAR*,BOOL,property_desc_t*) DECLSPEC_HIDDEN;
 261 HRESULT jsdisp_define_property(jsdisp_t*,const WCHAR*,property_desc_t*) DECLSPEC_HIDDEN;
 262 HRESULT jsdisp_define_data_property(jsdisp_t*,const WCHAR*,unsigned,jsval_t) DECLSPEC_HIDDEN;
 263 HRESULT jsdisp_next_prop(jsdisp_t*,DISPID,enum jsdisp_enum_type,DISPID*) DECLSPEC_HIDDEN;
 264 HRESULT jsdisp_get_prop_name(jsdisp_t*,DISPID,jsstr_t**);
 265 HRESULT jsdisp_change_prototype(jsdisp_t*,jsdisp_t*) DECLSPEC_HIDDEN;
 266 void jsdisp_freeze(jsdisp_t*,BOOL) DECLSPEC_HIDDEN;
 267 BOOL jsdisp_is_frozen(jsdisp_t*,BOOL) DECLSPEC_HIDDEN;
 268
 269 HRESULT create_builtin_function(script_ctx_t*,builtin_invoke_t,const WCHAR*,const builtin_info_t*,DWORD,
 270         jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 271 HRESULT create_builtin_constructor(script_ctx_t*,builtin_invoke_t,const WCHAR*,const builtin_info_t*,DWORD,
 272         jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 273 HRESULT Function_invoke(jsdisp_t*,jsval_t,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 274
 275 HRESULT Function_value(script_ctx_t*,jsval_t,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 276 HRESULT Function_get_value(script_ctx_t*,jsdisp_t*,jsval_t*) DECLSPEC_HIDDEN;
 277 struct _function_code_t *Function_get_code(jsdisp_t*) DECLSPEC_HIDDEN;
 278
 279 HRESULT throw_error(script_ctx_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
 280 jsdisp_t *create_builtin_error(script_ctx_t *ctx) DECLSPEC_HIDDEN;
 281
 282 HRESULT create_object(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 283 HRESULT create_math(script_ctx_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 284 HRESULT create_array(script_ctx_t*,DWORD,jsdisp_t**) DECLSPEC_HIDDEN;
 285 HRESULT create_regexp(script_ctx_t*,jsstr_t*,DWORD,jsdisp_t**) DECLSPEC_HIDDEN;
 286 HRESULT create_regexp_var(script_ctx_t*,jsval_t,jsval_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 287 HRESULT create_string(script_ctx_t*,jsstr_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 288 HRESULT create_bool(script_ctx_t*,BOOL,jsdisp_t**) DECLSPEC_HIDDEN;
 289 HRESULT create_number(script_ctx_t*,double,jsdisp_t**) DECLSPEC_HIDDEN;
 290 HRESULT create_vbarray(script_ctx_t*,SAFEARRAY*,jsdisp_t**) DECLSPEC_HIDDEN;
 291 HRESULT create_json(script_ctx_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 292
 293 typedef enum {
 294     NO_HINT,
 295     HINT_STRING,
 296     HINT_NUMBER
 297 } hint_t;
 298
 299 HRESULT to_primitive(script_ctx_t*,jsval_t,jsval_t*, hint_t) DECLSPEC_HIDDEN;
 300 HRESULT to_boolean(jsval_t,BOOL*) DECLSPEC_HIDDEN;
 301 HRESULT to_number(script_ctx_t*,jsval_t,double*) DECLSPEC_HIDDEN;
 302 HRESULT to_integer(script_ctx_t*,jsval_t,double*) DECLSPEC_HIDDEN;
 303 HRESULT to_int32(script_ctx_t*,jsval_t,INT*) DECLSPEC_HIDDEN;
 304 HRESULT to_long(script_ctx_t*,jsval_t,LONG*) DECLSPEC_HIDDEN;
 305 HRESULT to_uint32(script_ctx_t*,jsval_t,UINT32*) DECLSPEC_HIDDEN;
 306 HRESULT to_string(script_ctx_t*,jsval_t,jsstr_t**) DECLSPEC_HIDDEN;
 307 HRESULT to_flat_string(script_ctx_t*,jsval_t,jsstr_t**,const WCHAR**) DECLSPEC_HIDDEN;
 308 HRESULT to_object(script_ctx_t*,jsval_t,IDispatch**) DECLSPEC_HIDDEN;
 309
 310 HRESULT jsval_strict_equal(jsval_t,jsval_t,BOOL*) DECLSPEC_HIDDEN;
 311
 312 HRESULT variant_change_type(script_ctx_t*,VARIANT*,VARIANT*,VARTYPE) DECLSPEC_HIDDEN;
 313 HRESULT variant_date_to_number(double,double*) DECLSPEC_HIDDEN;
 314 HRESULT variant_date_to_string(script_ctx_t*,double,jsstr_t**) DECLSPEC_HIDDEN;
 315
 316 HRESULT decode_source(WCHAR*) DECLSPEC_HIDDEN;
 317
 318 HRESULT double_to_string(double,jsstr_t**) DECLSPEC_HIDDEN;
 319 WCHAR *idx_to_str(DWORD,WCHAR*) DECLSPEC_HIDDEN;
 320
 321 static inline BOOL is_digit(WCHAR c)
 322 {
 323     return '0' <= c && c <= '9';
 324 }
 325
 326 typedef struct _cc_var_t cc_var_t;
 327
 328 typedef struct {
 329     cc_var_t *vars;
 330 } cc_ctx_t;
 331
 332 void release_cc(cc_ctx_t*) DECLSPEC_HIDDEN;
 333
 334 #define SP_CALLER_UNINITIALIZED ((IServiceProvider*)IntToPtr(-1))
 335
 336 typedef struct {
 337     IServiceProvider IServiceProvider_iface;
 338
 339     LONG ref;
 340
 341     script_ctx_t *ctx;
 342     IServiceProvider *caller;
 343 } JSCaller;
 344
 345 #include "jsval.h"
 346
 347 struct _property_desc_t {
 348     unsigned flags;
 349     unsigned mask;
 350     BOOL explicit_value;
 351     jsval_t value;
 352     BOOL explicit_getter;
 353     jsdisp_t *getter;
 354     BOOL explicit_setter;
 355     jsdisp_t *setter;
 356 };
 357
 358 typedef struct {
 359     unsigned index;
 360     unsigned length;
 361 } match_result_t;
 362
 363 struct _script_ctx_t {
 364     LONG ref;
 365
 366     SCRIPTSTATE state;
 367     IActiveScript *active_script;
 368
 369     struct _call_frame_t *call_ctx;
 370     struct list named_items;
 371     struct list objects;
 372     IActiveScriptSite *site;
 373     IInternetHostSecurityManager *secmgr;
 374     DWORD safeopt;
 375     DWORD version;
 376     BOOL html_mode;
 377     LCID lcid;
 378     cc_ctx_t *cc;
 379     JSCaller *jscaller;
 380     jsexcept_t *ei;
 381
 382     heap_pool_t tmp_heap;
 383
 384     BOOL gc_is_unlinking;
 385     DWORD gc_last_tick;
 386
 387     jsval_t *stack;
 388     unsigned stack_top;
 389     jsval_t acc;
 390
 391     jsstr_t *last_match;
 392     match_result_t match_parens[9];
 393     DWORD last_match_index;
 394     DWORD last_match_length;
 395
 396     union {
 397         struct {
 398             jsdisp_t *global;
 399             jsdisp_t *function_constr;
 400             jsdisp_t *array_constr;
 401             jsdisp_t *bool_constr;
 402             jsdisp_t *date_constr;
 403             jsdisp_t *enumerator_constr;
 404             jsdisp_t *error_constr;
 405             jsdisp_t *eval_error_constr;
 406             jsdisp_t *range_error_constr;
 407             jsdisp_t *reference_error_constr;
 408             jsdisp_t *regexp_error_constr;
 409             jsdisp_t *syntax_error_constr;
 410             jsdisp_t *type_error_constr;
 411             jsdisp_t *uri_error_constr;
 412             jsdisp_t *number_constr;
 413             jsdisp_t *object_constr;
 414             jsdisp_t *object_prototype;
 415             jsdisp_t *regexp_constr;
 416             jsdisp_t *string_constr;
 417             jsdisp_t *vbarray_constr;
 418             jsdisp_t *map_prototype;
 419             jsdisp_t *set_prototype;
 420         };
 421         jsdisp_t *global_objects[22];
 422     };
 423 };
 424 C_ASSERT(RTL_SIZEOF_THROUGH_FIELD(script_ctx_t, set_prototype) == RTL_SIZEOF_THROUGH_FIELD(script_ctx_t, global_objects));
 425
 426 void script_release(script_ctx_t*) DECLSPEC_HIDDEN;
 427
 428 static inline void script_addref(script_ctx_t *ctx)
 429 {
 430     ctx->ref++;
 431 }
 432
 433 HRESULT init_global(script_ctx_t*) DECLSPEC_HIDDEN;
 434 HRESULT init_function_constr(script_ctx_t*,jsdisp_t*) DECLSPEC_HIDDEN;
 435 HRESULT create_object_prototype(script_ctx_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 436 HRESULT init_set_constructor(script_ctx_t*) DECLSPEC_HIDDEN;
 437
 438 HRESULT create_activex_constr(script_ctx_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 439 HRESULT create_array_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 440 HRESULT create_bool_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 441 HRESULT create_date_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 442 HRESULT init_error_constr(script_ctx_t*,jsdisp_t*) DECLSPEC_HIDDEN;
 443 HRESULT create_enumerator_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 444 HRESULT create_number_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 445 HRESULT create_object_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 446 HRESULT create_regexp_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 447 HRESULT create_string_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 448 HRESULT create_vbarray_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 449
 450 IUnknown *create_ax_site(script_ctx_t*) DECLSPEC_HIDDEN;
 451 HRESULT create_jscaller(script_ctx_t*) DECLSPEC_HIDDEN;
 452
 453 #define REM_CHECK_GLOBAL   0x0001
 454 #define REM_RESET_INDEX    0x0002
 455 #define REM_NO_CTX_UPDATE  0x0004
 456 #define REM_ALLOC_RESULT   0x0008
 457 #define REM_NO_PARENS      0x0010
 458 struct match_state_t;
 459 HRESULT regexp_match_next(script_ctx_t*,jsdisp_t*,DWORD,jsstr_t*,struct match_state_t**) DECLSPEC_HIDDEN;
 460 HRESULT parse_regexp_flags(const WCHAR*,DWORD,DWORD*) DECLSPEC_HIDDEN;
 461 HRESULT regexp_string_match(script_ctx_t*,jsdisp_t*,jsstr_t*,jsval_t*) DECLSPEC_HIDDEN;
 462
 463 BOOL bool_obj_value(jsdisp_t*) DECLSPEC_HIDDEN;
 464 unsigned array_get_length(jsdisp_t*) DECLSPEC_HIDDEN;
 465 HRESULT localize_number(script_ctx_t*,DOUBLE,BOOL,jsstr_t**) DECLSPEC_HIDDEN;
 466
 467 HRESULT JSGlobal_eval(script_ctx_t*,jsval_t,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 468 HRESULT Object_get_proto_(script_ctx_t*,jsval_t,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 469 HRESULT Object_set_proto_(script_ctx_t*,jsval_t,WORD,unsigned,jsval_t*,jsval_t*) DECLSPEC_HIDDEN;
 470
 471 static inline BOOL is_class(jsdisp_t *jsdisp, jsclass_t class)
 472 {
 473     return jsdisp->builtin_info->class == class;
 474 }
 475
 476 static inline BOOL is_int32(double d)
 477 {
 478     return INT32_MIN <= d && d <= INT32_MAX && (double)(int)d == d;
 479 }
 480
 481 static inline DWORD make_grfdex(script_ctx_t *ctx, DWORD flags)
 482 {
 483     return ((ctx->version & 0xff) << 28) | flags;
 484 }
 485
 486 static inline HRESULT disp_call_value(script_ctx_t *ctx, IDispatch *disp, jsval_t vthis, WORD flags, unsigned argc,
 487         jsval_t *argv, jsval_t *r)
 488 {
 489     return disp_call_value_with_caller(ctx, disp, vthis, flags, argc, argv, r, &ctx->jscaller->IServiceProvider_iface);
 490 }
 491
 492 #define FACILITY_JSCRIPT 10
 493
 494 #define MAKE_JSERROR(code) MAKE_HRESULT(SEVERITY_ERROR, FACILITY_JSCRIPT, code)
 495
 496 #define JS_E_TO_PRIMITIVE            MAKE_JSERROR(IDS_TO_PRIMITIVE)
 497 #define JS_E_INVALIDARG              MAKE_JSERROR(IDS_INVALID_CALL_ARG)
 498 #define JS_E_SUBSCRIPT_OUT_OF_RANGE  MAKE_JSERROR(IDS_SUBSCRIPT_OUT_OF_RANGE)
 499 #define JS_E_STACK_OVERFLOW          MAKE_JSERROR(IDS_STACK_OVERFLOW)
 500 #define JS_E_OBJECT_REQUIRED         MAKE_JSERROR(IDS_OBJECT_REQUIRED)
 501 #define JS_E_CANNOT_CREATE_OBJ       MAKE_JSERROR(IDS_CREATE_OBJ_ERROR)
 502 #define JS_E_INVALID_PROPERTY        MAKE_JSERROR(IDS_NO_PROPERTY)
 503 #define JS_E_INVALID_ACTION          MAKE_JSERROR(IDS_UNSUPPORTED_ACTION)
 504 #define JS_E_MISSING_ARG             MAKE_JSERROR(IDS_ARG_NOT_OPT)
 505 #define JS_E_SYNTAX                  MAKE_JSERROR(IDS_SYNTAX_ERROR)
 506 #define JS_E_MISSING_SEMICOLON       MAKE_JSERROR(IDS_SEMICOLON)
 507 #define JS_E_MISSING_LBRACKET        MAKE_JSERROR(IDS_LBRACKET)
 508 #define JS_E_MISSING_RBRACKET        MAKE_JSERROR(IDS_RBRACKET)
 509 #define JS_E_EXPECTED_IDENTIFIER     MAKE_JSERROR(IDS_EXPECTED_IDENTIFIER)
 510 #define JS_E_EXPECTED_ASSIGN         MAKE_JSERROR(IDS_EXPECTED_ASSIGN)
 511 #define JS_E_INVALID_CHAR            MAKE_JSERROR(IDS_INVALID_CHAR)
 512 #define JS_E_UNTERMINATED_STRING     MAKE_JSERROR(IDS_UNTERMINATED_STR)
 513 #define JS_E_MISPLACED_RETURN        MAKE_JSERROR(IDS_MISPLACED_RETURN)
 514 #define JS_E_INVALID_BREAK           MAKE_JSERROR(IDS_INVALID_BREAK)
 515 #define JS_E_INVALID_CONTINUE        MAKE_JSERROR(IDS_INVALID_CONTINUE)
 516 #define JS_E_LABEL_REDEFINED         MAKE_JSERROR(IDS_LABEL_REDEFINED)
 517 #define JS_E_LABEL_NOT_FOUND         MAKE_JSERROR(IDS_LABEL_NOT_FOUND)
 518 #define JS_E_EXPECTED_CCEND          MAKE_JSERROR(IDS_EXPECTED_CCEND)
 519 #define JS_E_DISABLED_CC             MAKE_JSERROR(IDS_DISABLED_CC)
 520 #define JS_E_EXPECTED_AT             MAKE_JSERROR(IDS_EXPECTED_AT)
 521 #define JS_E_FUNCTION_EXPECTED       MAKE_JSERROR(IDS_NOT_FUNC)
 522 #define JS_E_DATE_EXPECTED           MAKE_JSERROR(IDS_NOT_DATE)
 523 #define JS_E_NUMBER_EXPECTED         MAKE_JSERROR(IDS_NOT_NUM)
 524 #define JS_E_OBJECT_EXPECTED         MAKE_JSERROR(IDS_OBJECT_EXPECTED)
 525 #define JS_E_ILLEGAL_ASSIGN          MAKE_JSERROR(IDS_ILLEGAL_ASSIGN)
 526 #define JS_E_UNDEFINED_VARIABLE      MAKE_JSERROR(IDS_UNDEFINED)
 527 #define JS_E_BOOLEAN_EXPECTED        MAKE_JSERROR(IDS_NOT_BOOL)
 528 #define JS_E_VBARRAY_EXPECTED        MAKE_JSERROR(IDS_NOT_VBARRAY)
 529 #define JS_E_INVALID_DELETE          MAKE_JSERROR(IDS_INVALID_DELETE)
 530 #define JS_E_JSCRIPT_EXPECTED        MAKE_JSERROR(IDS_JSCRIPT_EXPECTED)
 531 #define JS_E_ENUMERATOR_EXPECTED     MAKE_JSERROR(IDS_ENUMERATOR_EXPECTED)
 532 #define JS_E_REGEXP_EXPECTED         MAKE_JSERROR(IDS_REGEXP_EXPECTED)
 533 #define JS_E_REGEXP_SYNTAX           MAKE_JSERROR(IDS_REGEXP_SYNTAX_ERROR)
 534 #define JS_E_EXCEPTION_THROWN        MAKE_JSERROR(IDS_EXCEPTION_THROWN)
 535 #define JS_E_INVALID_URI_CODING      MAKE_JSERROR(IDS_URI_INVALID_CODING)
 536 #define JS_E_INVALID_URI_CHAR        MAKE_JSERROR(IDS_URI_INVALID_CHAR)
 537 #define JS_E_FRACTION_DIGITS_OUT_OF_RANGE MAKE_JSERROR(IDS_FRACTION_DIGITS_OUT_OF_RANGE)
 538 #define JS_E_PRECISION_OUT_OF_RANGE  MAKE_JSERROR(IDS_PRECISION_OUT_OF_RANGE)
 539 #define JS_E_INVALID_LENGTH          MAKE_JSERROR(IDS_INVALID_LENGTH)
 540 #define JS_E_ARRAY_EXPECTED          MAKE_JSERROR(IDS_ARRAY_EXPECTED)
 541 #define JS_E_CYCLIC_PROTO_VALUE      MAKE_JSERROR(IDS_CYCLIC_PROTO_VALUE)
 542 #define JS_E_CANNOT_CREATE_FOR_NONEXTENSIBLE MAKE_JSERROR(IDS_CREATE_FOR_NONEXTENSIBLE)
 543 #define JS_E_OBJECT_NONEXTENSIBLE    MAKE_JSERROR(IDS_OBJECT_NONEXTENSIBLE)
 544 #define JS_E_NONCONFIGURABLE_REDEFINED MAKE_JSERROR(IDS_NONCONFIGURABLE_REDEFINED)
 545 #define JS_E_NONWRITABLE_MODIFIED    MAKE_JSERROR(IDS_NONWRITABLE_MODIFIED)
 546 #define JS_E_WRONG_THIS              MAKE_JSERROR(IDS_WRONG_THIS)
 547 #define JS_E_PROP_DESC_MISMATCH      MAKE_JSERROR(IDS_PROP_DESC_MISMATCH)
 548 #define JS_E_INVALID_WRITABLE_PROP_DESC MAKE_JSERROR(IDS_INVALID_WRITABLE_PROP_DESC)
 549
 550 static inline BOOL is_jscript_error(HRESULT hres)
 551 {
 552     return HRESULT_FACILITY(hres) == FACILITY_JSCRIPT;
 553 }
 554
 555 const char *debugstr_jsval(const jsval_t) DECLSPEC_HIDDEN;
 556
 557 HRESULT create_jscript_object(BOOL,REFIID,void**) DECLSPEC_HIDDEN;
 558
 559 extern LONG module_ref DECLSPEC_HIDDEN;
 560
 561 static inline void lock_module(void)
 562 {
 563     InterlockedIncrement(&module_ref);
 564 }
 565
 566 static inline void unlock_module(void)
 567 {
 568     InterlockedDecrement(&module_ref);
 569 }