dlls/jscript/jscript.h

   1 /*
   2  * Copyright 2008-2009 Jacek Caban for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include <stdarg.h>
  20 #include <stdio.h>
  21
  22 #define COBJMACROS
  23
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "winuser.h"
  27 #include "ole2.h"
  28 #include "dispex.h"
  29 #include "activscp.h"
  30
  31 #include "resource.h"
  32
  33 #include "wine/unicode.h"
  34 #include "wine/list.h"
  35
  36 typedef struct _script_ctx_t script_ctx_t;
  37 typedef struct _exec_ctx_t exec_ctx_t;
  38 typedef struct _dispex_prop_t dispex_prop_t;
  39
  40 typedef struct {
  41     EXCEPINFO ei;
  42     VARIANT var;
  43 } jsexcept_t;
  44
  45 typedef struct {
  46     void **blocks;
  47     DWORD block_cnt;
  48     DWORD last_block;
  49     DWORD offset;
  50     BOOL mark;
  51     struct list custom_blocks;
  52 } jsheap_t;
  53
  54 void jsheap_init(jsheap_t*) DECLSPEC_HIDDEN;
  55 void *jsheap_alloc(jsheap_t*,DWORD) __WINE_ALLOC_SIZE(2) DECLSPEC_HIDDEN;
  56 void *jsheap_grow(jsheap_t*,void*,DWORD,DWORD) DECLSPEC_HIDDEN;
  57 void jsheap_clear(jsheap_t*) DECLSPEC_HIDDEN;
  58 void jsheap_free(jsheap_t*) DECLSPEC_HIDDEN;
  59 jsheap_t *jsheap_mark(jsheap_t*) DECLSPEC_HIDDEN;
  60
  61 typedef struct jsdisp_t jsdisp_t;
  62
  63 extern HINSTANCE jscript_hinstance DECLSPEC_HIDDEN;
  64
  65 #define PROPF_ARGMASK 0x00ff
  66 #define PROPF_METHOD  0x0100
  67 #define PROPF_ENUM    0x0200
  68 #define PROPF_CONSTR  0x0400
  69 #define PROPF_CONST   0x0800
  70
  71 /* NOTE: Keep in sync with names in Object.toString implementation */
  72 typedef enum {
  73     JSCLASS_NONE,
  74     JSCLASS_ARRAY,
  75     JSCLASS_BOOLEAN,
  76     JSCLASS_DATE,
  77     JSCLASS_ERROR,
  78     JSCLASS_FUNCTION,
  79     JSCLASS_GLOBAL,
  80     JSCLASS_MATH,
  81     JSCLASS_NUMBER,
  82     JSCLASS_OBJECT,
  83     JSCLASS_REGEXP,
  84     JSCLASS_STRING,
  85     JSCLASS_ARGUMENTS,
  86     JSCLASS_VBARRAY
  87 } jsclass_t;
  88
  89 jsdisp_t *iface_to_jsdisp(IUnknown*) DECLSPEC_HIDDEN;
  90
  91 typedef struct {
  92     union {
  93         IDispatch *disp;
  94         IDispatchEx *dispex;
  95         jsdisp_t *jsdisp;
  96     } u;
  97     DWORD flags;
  98 } vdisp_t;
  99
 100 #define VDISP_DISPEX  0x0001
 101 #define VDISP_JSDISP  0x0002
 102
 103 static inline void vdisp_release(vdisp_t *vdisp)
 104 {
 105     IDispatch_Release(vdisp->u.disp);
 106 }
 107
 108 static inline BOOL is_jsdisp(vdisp_t *vdisp)
 109 {
 110     return (vdisp->flags & VDISP_JSDISP) != 0;
 111 }
 112
 113 static inline BOOL is_dispex(vdisp_t *vdisp)
 114 {
 115     return (vdisp->flags & VDISP_DISPEX) != 0;
 116 }
 117
 118 static inline void set_jsdisp(vdisp_t *vdisp, jsdisp_t *jsdisp)
 119 {
 120     vdisp->u.jsdisp = jsdisp;
 121     vdisp->flags = VDISP_JSDISP | VDISP_DISPEX;
 122     IDispatch_AddRef(vdisp->u.disp);
 123 }
 124
 125 static inline void set_disp(vdisp_t *vdisp, IDispatch *disp)
 126 {
 127     IDispatchEx *dispex;
 128     jsdisp_t *jsdisp;
 129     HRESULT hres;
 130
 131     jsdisp = iface_to_jsdisp((IUnknown*)disp);
 132     if(jsdisp) {
 133         vdisp->u.jsdisp = jsdisp;
 134         vdisp->flags = VDISP_JSDISP | VDISP_DISPEX;
 135         return;
 136     }
 137
 138     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
 139     if(SUCCEEDED(hres)) {
 140         vdisp->u.dispex = dispex;
 141         vdisp->flags = VDISP_DISPEX;
 142         return;
 143     }
 144
 145     IDispatch_AddRef(disp);
 146     vdisp->u.disp = disp;
 147     vdisp->flags = 0;
 148 }
 149
 150 static inline jsdisp_t *get_jsdisp(vdisp_t *vdisp)
 151 {
 152     return is_jsdisp(vdisp) ? vdisp->u.jsdisp : NULL;
 153 }
 154
 155 typedef HRESULT (*builtin_invoke_t)(script_ctx_t*,vdisp_t*,WORD,unsigned,VARIANT*,VARIANT*,jsexcept_t*);
 156
 157 typedef struct {
 158     const WCHAR *name;
 159     builtin_invoke_t invoke;
 160     DWORD flags;
 161 } builtin_prop_t;
 162
 163 typedef struct {
 164     jsclass_t class;
 165     builtin_prop_t value_prop;
 166     DWORD props_cnt;
 167     const builtin_prop_t *props;
 168     void (*destructor)(jsdisp_t*);
 169     void (*on_put)(jsdisp_t*,const WCHAR*);
 170 } builtin_info_t;
 171
 172 struct jsdisp_t {
 173     IDispatchEx IDispatchEx_iface;
 174
 175     LONG ref;
 176
 177     DWORD buf_size;
 178     DWORD prop_cnt;
 179     dispex_prop_t *props;
 180     script_ctx_t *ctx;
 181
 182     jsdisp_t *prototype;
 183
 184     const builtin_info_t *builtin_info;
 185 };
 186
 187 static inline IDispatch *to_disp(jsdisp_t *jsdisp)
 188 {
 189     return (IDispatch*)&jsdisp->IDispatchEx_iface;
 190 }
 191
 192 jsdisp_t *as_jsdisp(IDispatch*) DECLSPEC_HIDDEN;
 193 jsdisp_t *to_jsdisp(IDispatch*) DECLSPEC_HIDDEN;
 194
 195 static inline void jsdisp_addref(jsdisp_t *jsdisp)
 196 {
 197     IDispatchEx_AddRef(&jsdisp->IDispatchEx_iface);
 198 }
 199
 200 static inline void jsdisp_release(jsdisp_t *jsdisp)
 201 {
 202     IDispatchEx_Release(&jsdisp->IDispatchEx_iface);
 203 }
 204
 205 HRESULT create_dispex(script_ctx_t*,const builtin_info_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 206 HRESULT init_dispex(jsdisp_t*,script_ctx_t*,const builtin_info_t*,jsdisp_t*) DECLSPEC_HIDDEN;
 207 HRESULT init_dispex_from_constr(jsdisp_t*,script_ctx_t*,const builtin_info_t*,jsdisp_t*) DECLSPEC_HIDDEN;
 208
 209 HRESULT disp_call(script_ctx_t*,IDispatch*,DISPID,WORD,unsigned,VARIANT*,VARIANT*,jsexcept_t*) DECLSPEC_HIDDEN;
 210 HRESULT disp_call_value(script_ctx_t*,IDispatch*,IDispatch*,WORD,unsigned,VARIANT*,VARIANT*,jsexcept_t*) DECLSPEC_HIDDEN;
 211 HRESULT jsdisp_call_value(jsdisp_t*,IDispatch*,WORD,unsigned,VARIANT*,VARIANT*,jsexcept_t*) DECLSPEC_HIDDEN;
 212 HRESULT jsdisp_call(jsdisp_t*,DISPID,WORD,unsigned,VARIANT*,VARIANT*,jsexcept_t*) DECLSPEC_HIDDEN;
 213 HRESULT jsdisp_call_name(jsdisp_t*,const WCHAR*,WORD,unsigned,VARIANT*,VARIANT*,jsexcept_t*) DECLSPEC_HIDDEN;
 214 HRESULT disp_propget(script_ctx_t*,IDispatch*,DISPID,VARIANT*,jsexcept_t*) DECLSPEC_HIDDEN;
 215 HRESULT disp_propput(script_ctx_t*,IDispatch*,DISPID,VARIANT*,jsexcept_t*) DECLSPEC_HIDDEN;
 216 HRESULT jsdisp_propget(jsdisp_t*,DISPID,VARIANT*,jsexcept_t*) DECLSPEC_HIDDEN;
 217 HRESULT jsdisp_propput_name(jsdisp_t*,const WCHAR*,VARIANT*,jsexcept_t*) DECLSPEC_HIDDEN;
 218 HRESULT jsdisp_propput_const(jsdisp_t*,const WCHAR*,VARIANT*) DECLSPEC_HIDDEN;
 219 HRESULT jsdisp_propput_dontenum(jsdisp_t*,const WCHAR*,VARIANT*) DECLSPEC_HIDDEN;
 220 HRESULT jsdisp_propput_idx(jsdisp_t*,DWORD,VARIANT*,jsexcept_t*) DECLSPEC_HIDDEN;
 221 HRESULT jsdisp_propget_name(jsdisp_t*,LPCWSTR,VARIANT*,jsexcept_t*) DECLSPEC_HIDDEN;
 222 HRESULT jsdisp_get_idx(jsdisp_t*,DWORD,VARIANT*,jsexcept_t*) DECLSPEC_HIDDEN;
 223 HRESULT jsdisp_get_id(jsdisp_t*,const WCHAR*,DWORD,DISPID*) DECLSPEC_HIDDEN;
 224 HRESULT jsdisp_delete_idx(jsdisp_t*,DWORD) DECLSPEC_HIDDEN;
 225 HRESULT jsdisp_is_own_prop(jsdisp_t*,BSTR,VARIANT_BOOL*) DECLSPEC_HIDDEN;
 226
 227 HRESULT create_builtin_function(script_ctx_t*,builtin_invoke_t,const WCHAR*,const builtin_info_t*,DWORD,
 228         jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 229 HRESULT create_builtin_constructor(script_ctx_t*,builtin_invoke_t,const WCHAR*,const builtin_info_t*,DWORD,
 230         jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 231 HRESULT Function_value(script_ctx_t*,vdisp_t*,WORD,unsigned,VARIANT*,VARIANT*,jsexcept_t*) DECLSPEC_HIDDEN;
 232 HRESULT Function_invoke(jsdisp_t*,IDispatch*,WORD,unsigned,VARIANT*,VARIANT*,jsexcept_t*);
 233
 234 HRESULT throw_eval_error(script_ctx_t*,jsexcept_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
 235 HRESULT throw_generic_error(script_ctx_t*,jsexcept_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
 236 HRESULT throw_range_error(script_ctx_t*,jsexcept_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
 237 HRESULT throw_reference_error(script_ctx_t*,jsexcept_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
 238 HRESULT throw_regexp_error(script_ctx_t*,jsexcept_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
 239 HRESULT throw_syntax_error(script_ctx_t*,jsexcept_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
 240 HRESULT throw_type_error(script_ctx_t*,jsexcept_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
 241 HRESULT throw_uri_error(script_ctx_t*,jsexcept_t*,HRESULT,const WCHAR*) DECLSPEC_HIDDEN;
 242
 243 HRESULT create_object(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 244 HRESULT create_math(script_ctx_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 245 HRESULT create_array(script_ctx_t*,DWORD,jsdisp_t**) DECLSPEC_HIDDEN;
 246 HRESULT create_regexp(script_ctx_t*,const WCHAR *,int,DWORD,jsdisp_t**) DECLSPEC_HIDDEN;
 247 HRESULT create_regexp_var(script_ctx_t*,VARIANT*,VARIANT*,jsdisp_t**) DECLSPEC_HIDDEN;
 248 HRESULT create_string(script_ctx_t*,const WCHAR*,DWORD,jsdisp_t**) DECLSPEC_HIDDEN;
 249 HRESULT create_bool(script_ctx_t*,VARIANT_BOOL,jsdisp_t**) DECLSPEC_HIDDEN;
 250 HRESULT create_number(script_ctx_t*,double,jsdisp_t**) DECLSPEC_HIDDEN;
 251 HRESULT create_vbarray(script_ctx_t*,SAFEARRAY*,jsdisp_t**) DECLSPEC_HIDDEN;
 252
 253 typedef enum {
 254     NO_HINT,
 255     HINT_STRING,
 256     HINT_NUMBER
 257 } hint_t;
 258
 259 HRESULT to_primitive(script_ctx_t*,VARIANT*,jsexcept_t*,VARIANT*, hint_t) DECLSPEC_HIDDEN;
 260 HRESULT to_boolean(VARIANT*,VARIANT_BOOL*) DECLSPEC_HIDDEN;
 261 HRESULT to_number(script_ctx_t*,VARIANT*,jsexcept_t*,double*) DECLSPEC_HIDDEN;
 262 HRESULT to_integer(script_ctx_t*,VARIANT*,jsexcept_t*,double*) DECLSPEC_HIDDEN;
 263 HRESULT to_int32(script_ctx_t*,VARIANT*,jsexcept_t*,INT*) DECLSPEC_HIDDEN;
 264 HRESULT to_uint32(script_ctx_t*,VARIANT*,jsexcept_t*,DWORD*) DECLSPEC_HIDDEN;
 265 HRESULT to_string(script_ctx_t*,VARIANT*,jsexcept_t*,BSTR*) DECLSPEC_HIDDEN;
 266 HRESULT to_object(script_ctx_t*,VARIANT*,IDispatch**) DECLSPEC_HIDDEN;
 267
 268 HRESULT variant_change_type(script_ctx_t*,VARIANT*,VARIANT*,VARTYPE) DECLSPEC_HIDDEN;
 269
 270 HRESULT decode_source(WCHAR*) DECLSPEC_HIDDEN;
 271
 272 HRESULT double_to_bstr(double,BSTR*) DECLSPEC_HIDDEN;
 273
 274 typedef struct named_item_t {
 275     IDispatch *disp;
 276     DWORD flags;
 277     LPWSTR name;
 278
 279     struct named_item_t *next;
 280 } named_item_t;
 281
 282 typedef struct _cc_var_t cc_var_t;
 283
 284 typedef struct {
 285     cc_var_t *vars;
 286 } cc_ctx_t;
 287
 288 void release_cc(cc_ctx_t*) DECLSPEC_HIDDEN;
 289
 290 typedef struct {
 291     IServiceProvider IServiceProvider_iface;
 292
 293     LONG ref;
 294
 295     script_ctx_t *ctx;
 296 } JSCaller;
 297
 298 struct _script_ctx_t {
 299     LONG ref;
 300
 301     SCRIPTSTATE state;
 302     IActiveScript *active_script;
 303
 304     exec_ctx_t *exec_ctx;
 305     named_item_t *named_items;
 306     IActiveScriptSite *site;
 307     IInternetHostSecurityManager *secmgr;
 308     DWORD safeopt;
 309     DWORD version;
 310     LCID lcid;
 311     cc_ctx_t *cc;
 312     JSCaller *jscaller;
 313
 314     jsheap_t tmp_heap;
 315
 316     IDispatch *host_global;
 317
 318     BSTR last_match;
 319     DWORD last_match_index;
 320     DWORD last_match_length;
 321
 322     jsdisp_t *global;
 323     jsdisp_t *function_constr;
 324     jsdisp_t *activex_constr;
 325     jsdisp_t *array_constr;
 326     jsdisp_t *bool_constr;
 327     jsdisp_t *date_constr;
 328     jsdisp_t *error_constr;
 329     jsdisp_t *eval_error_constr;
 330     jsdisp_t *range_error_constr;
 331     jsdisp_t *reference_error_constr;
 332     jsdisp_t *regexp_error_constr;
 333     jsdisp_t *syntax_error_constr;
 334     jsdisp_t *type_error_constr;
 335     jsdisp_t *uri_error_constr;
 336     jsdisp_t *number_constr;
 337     jsdisp_t *object_constr;
 338     jsdisp_t *regexp_constr;
 339     jsdisp_t *string_constr;
 340     jsdisp_t *vbarray_constr;
 341 };
 342
 343 void script_release(script_ctx_t*) DECLSPEC_HIDDEN;
 344
 345 static inline void script_addref(script_ctx_t *ctx)
 346 {
 347     ctx->ref++;
 348 }
 349
 350 HRESULT init_global(script_ctx_t*) DECLSPEC_HIDDEN;
 351 HRESULT init_function_constr(script_ctx_t*,jsdisp_t*) DECLSPEC_HIDDEN;
 352 HRESULT create_object_prototype(script_ctx_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 353
 354 HRESULT create_activex_constr(script_ctx_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 355 HRESULT create_array_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 356 HRESULT create_bool_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 357 HRESULT create_date_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 358 HRESULT init_error_constr(script_ctx_t*,jsdisp_t*) DECLSPEC_HIDDEN;
 359 HRESULT create_number_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 360 HRESULT create_object_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 361 HRESULT create_regexp_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 362 HRESULT create_string_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 363 HRESULT create_vbarray_constr(script_ctx_t*,jsdisp_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 364
 365 IUnknown *create_ax_site(script_ctx_t*) DECLSPEC_HIDDEN;
 366 HRESULT create_jscaller(script_ctx_t*) DECLSPEC_HIDDEN;
 367
 368 typedef struct {
 369     const WCHAR *str;
 370     DWORD len;
 371 } match_result_t;
 372
 373 #define REM_CHECK_GLOBAL   0x0001
 374 #define REM_RESET_INDEX    0x0002
 375 #define REM_NO_CTX_UPDATE  0x0004
 376 HRESULT regexp_match_next(script_ctx_t*,jsdisp_t*,DWORD,const WCHAR*,DWORD,const WCHAR**,match_result_t**,
 377         DWORD*,DWORD*,match_result_t*) DECLSPEC_HIDDEN;
 378 HRESULT regexp_match(script_ctx_t*,jsdisp_t*,const WCHAR*,DWORD,BOOL,match_result_t**,DWORD*) DECLSPEC_HIDDEN;
 379 HRESULT parse_regexp_flags(const WCHAR*,DWORD,DWORD*) DECLSPEC_HIDDEN;
 380 HRESULT regexp_string_match(script_ctx_t*,jsdisp_t*,BSTR,VARIANT*,jsexcept_t*) DECLSPEC_HIDDEN;
 381
 382 static inline BOOL is_class(jsdisp_t *jsdisp, jsclass_t class)
 383 {
 384     return jsdisp->builtin_info->class == class;
 385 }
 386
 387 static inline BOOL is_vclass(vdisp_t *vdisp, jsclass_t class)
 388 {
 389     return is_jsdisp(vdisp) && is_class(vdisp->u.jsdisp, class);
 390 }
 391
 392 static inline BOOL is_num_vt(enum VARENUM vt)
 393 {
 394     return vt == VT_I4 || vt == VT_R8;
 395 }
 396
 397 static inline DOUBLE num_val(const VARIANT *v)
 398 {
 399     return V_VT(v) == VT_I4 ? V_I4(v) : V_R8(v);
 400 }
 401
 402 #ifndef INT32_MIN
 403 #define INT32_MIN (-2147483647-1)
 404 #endif
 405
 406 #ifndef INT32_MAX
 407 #define INT32_MAX (2147483647)
 408 #endif
 409
 410 static inline BOOL is_int32(double d)
 411 {
 412     return INT32_MIN <= d && d <= INT32_MAX && (double)(int)d == d;
 413 }
 414
 415 static inline void num_set_int(VARIANT *v, INT i)
 416 {
 417     V_VT(v) = VT_I4;
 418     V_I4(v) = i;
 419 }
 420
 421 static inline void num_set_val(VARIANT *v, DOUBLE d)
 422 {
 423     if(is_int32(d)) {
 424         V_VT(v) = VT_I4;
 425         V_I4(v) = d;
 426     }else {
 427         V_VT(v) = VT_R8;
 428         V_R8(v) = d;
 429     }
 430 }
 431
 432 static inline void var_set_jsdisp(VARIANT *v, jsdisp_t *jsdisp)
 433 {
 434     V_VT(v) = VT_DISPATCH;
 435     V_DISPATCH(v) = to_disp(jsdisp);
 436 }
 437
 438 static inline DWORD make_grfdex(script_ctx_t *ctx, DWORD flags)
 439 {
 440     return (ctx->version << 28) | flags;
 441 }
 442
 443 #define FACILITY_JSCRIPT 10
 444
 445 #define MAKE_JSERROR(code) MAKE_HRESULT(SEVERITY_ERROR, FACILITY_JSCRIPT, code)
 446
 447 #define JS_E_TO_PRIMITIVE            MAKE_JSERROR(IDS_TO_PRIMITIVE)
 448 #define JS_E_INVALIDARG              MAKE_JSERROR(IDS_INVALID_CALL_ARG)
 449 #define JS_E_SUBSCRIPT_OUT_OF_RANGE  MAKE_JSERROR(IDS_SUBSCRIPT_OUT_OF_RANGE)
 450 #define JS_E_OBJECT_REQUIRED         MAKE_JSERROR(IDS_OBJECT_REQUIRED)
 451 #define JS_E_CANNOT_CREATE_OBJ       MAKE_JSERROR(IDS_CREATE_OBJ_ERROR)
 452 #define JS_E_INVALID_PROPERTY        MAKE_JSERROR(IDS_NO_PROPERTY)
 453 #define JS_E_INVALID_ACTION          MAKE_JSERROR(IDS_UNSUPPORTED_ACTION)
 454 #define JS_E_MISSING_ARG             MAKE_JSERROR(IDS_ARG_NOT_OPT)
 455 #define JS_E_SYNTAX                  MAKE_JSERROR(IDS_SYNTAX_ERROR)
 456 #define JS_E_MISSING_SEMICOLON       MAKE_JSERROR(IDS_SEMICOLON)
 457 #define JS_E_MISSING_LBRACKET        MAKE_JSERROR(IDS_LBRACKET)
 458 #define JS_E_MISSING_RBRACKET        MAKE_JSERROR(IDS_RBRACKET)
 459 #define JS_E_INVALID_CHAR            MAKE_JSERROR(IDS_INVALID_CHAR)
 460 #define JS_E_UNTERMINATED_STRING     MAKE_JSERROR(IDS_UNTERMINATED_STR)
 461 #define JS_E_INVALID_BREAK           MAKE_JSERROR(IDS_INVALID_BREAK)
 462 #define JS_E_INVALID_CONTINUE        MAKE_JSERROR(IDS_INVALID_CONTINUE)
 463 #define JS_E_LABEL_REDEFINED         MAKE_JSERROR(IDS_LABEL_REDEFINED)
 464 #define JS_E_LABEL_NOT_FOUND         MAKE_JSERROR(IDS_LABEL_NOT_FOUND)
 465 #define JS_E_DISABLED_CC             MAKE_JSERROR(IDS_DISABLED_CC)
 466 #define JS_E_FUNCTION_EXPECTED       MAKE_JSERROR(IDS_NOT_FUNC)
 467 #define JS_E_DATE_EXPECTED           MAKE_JSERROR(IDS_NOT_DATE)
 468 #define JS_E_NUMBER_EXPECTED         MAKE_JSERROR(IDS_NOT_NUM)
 469 #define JS_E_OBJECT_EXPECTED         MAKE_JSERROR(IDS_OBJECT_EXPECTED)
 470 #define JS_E_ILLEGAL_ASSIGN          MAKE_JSERROR(IDS_ILLEGAL_ASSIGN)
 471 #define JS_E_UNDEFINED_VARIABLE      MAKE_JSERROR(IDS_UNDEFINED)
 472 #define JS_E_BOOLEAN_EXPECTED        MAKE_JSERROR(IDS_NOT_BOOL)
 473 #define JS_E_VBARRAY_EXPECTED        MAKE_JSERROR(IDS_NOT_VBARRAY)
 474 #define JS_E_INVALID_DELETE          MAKE_JSERROR(IDS_INVALID_DELETE)
 475 #define JS_E_JSCRIPT_EXPECTED        MAKE_JSERROR(IDS_JSCRIPT_EXPECTED)
 476 #define JS_E_REGEXP_SYNTAX           MAKE_JSERROR(IDS_REGEXP_SYNTAX_ERROR)
 477 #define JS_E_INVALID_URI_CODING      MAKE_JSERROR(IDS_URI_INVALID_CODING)
 478 #define JS_E_INVALID_URI_CHAR        MAKE_JSERROR(IDS_URI_INVALID_CHAR)
 479 #define JS_E_FRACTION_DIGITS_OUT_OF_RANGE MAKE_JSERROR(IDS_FRACTION_DIGITS_OUT_OF_RANGE)
 480 #define JS_E_PRECISION_OUT_OF_RANGE  MAKE_JSERROR(IDS_PRECISION_OUT_OF_RANGE)
 481 #define JS_E_INVALID_LENGTH          MAKE_JSERROR(IDS_INVALID_LENGTH)
 482 #define JS_E_ARRAY_EXPECTED          MAKE_JSERROR(IDS_ARRAY_EXPECTED)
 483
 484 static inline BOOL is_jscript_error(HRESULT hres)
 485 {
 486     return HRESULT_FACILITY(hres) == FACILITY_JSCRIPT;
 487 }
 488
 489 const char *debugstr_variant(const VARIANT*) DECLSPEC_HIDDEN;
 490
 491 HRESULT create_jscript_object(BOOL,REFIID,void**) DECLSPEC_HIDDEN;
 492
 493 extern LONG module_ref DECLSPEC_HIDDEN;
 494
 495 static inline void lock_module(void)
 496 {
 497     InterlockedIncrement(&module_ref);
 498 }
 499
 500 static inline void unlock_module(void)
 501 {
 502     InterlockedDecrement(&module_ref);
 503 }
 504
 505 static inline void *heap_alloc(size_t len)
 506 {
 507     return HeapAlloc(GetProcessHeap(), 0, len);
 508 }
 509
 510 static inline void *heap_alloc_zero(size_t len)
 511 {
 512     return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
 513 }
 514
 515 static inline void *heap_realloc(void *mem, size_t len)
 516 {
 517     return HeapReAlloc(GetProcessHeap(), 0, mem, len);
 518 }
 519
 520 static inline BOOL heap_free(void *mem)
 521 {
 522     return HeapFree(GetProcessHeap(), 0, mem);
 523 }
 524
 525 static inline LPWSTR heap_strdupW(LPCWSTR str)
 526 {
 527     LPWSTR ret = NULL;
 528
 529     if(str) {
 530         DWORD size;
 531
 532         size = (strlenW(str)+1)*sizeof(WCHAR);
 533         ret = heap_alloc(size);
 534         memcpy(ret, str, size);
 535     }
 536
 537     return ret;
 538 }