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