reactos/dll/win32/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 #define WIN32_NO_STATUS
  20 #define _INC_WINDOWS
  21 #define COM_NO_WINDOWS_H
  22
  23 #include <stdarg.h>
  24 #include <stdio.h>
  25
  26 #define COBJMACROS
  27
  28 #include <windef.h>
  29 #include <winbase.h>
  30 #include <winuser.h>
  31 #include <ole2.h>
  32 #include <dispex.h>
  33 #include <activscp.h>
  34
  35 #include "resource.h"
  36
  37 #include <wine/unicode.h>
  38 #include <wine/list.h>
  39
  40 #define JSCRIPT_ERROR 0x800A0000
  41
  42 typedef struct _script_ctx_t script_ctx_t;
  43 typedef struct _exec_ctx_t exec_ctx_t;
  44 typedef struct _dispex_prop_t dispex_prop_t;
  45
  46 typedef struct {
  47     EXCEPINFO ei;
  48     VARIANT var;
  49 } jsexcept_t;
  50
  51 typedef struct {
  52     void **blocks;
  53     DWORD block_cnt;
  54     DWORD last_block;
  55     DWORD offset;
  56     BOOL mark;
  57     struct list custom_blocks;
  58 } jsheap_t;
  59
  60 void jsheap_init(jsheap_t*);
  61 void *jsheap_alloc(jsheap_t*,DWORD);
  62 void *jsheap_grow(jsheap_t*,void*,DWORD,DWORD);
  63 void jsheap_clear(jsheap_t*);
  64 void jsheap_free(jsheap_t*);
  65 jsheap_t *jsheap_mark(jsheap_t*);
  66
  67 typedef struct DispatchEx DispatchEx;
  68
  69 extern HINSTANCE jscript_hinstance;
  70
  71 #define PROPF_ARGMASK 0x00ff
  72 #define PROPF_METHOD  0x0100
  73 #define PROPF_ENUM    0x0200
  74 #define PROPF_CONSTR  0x0400
  75 #define PROPF_CONST   0x0800
  76
  77 /* NOTE: Keep in sync with names in Object.toString implementation */
  78 typedef enum {
  79     JSCLASS_NONE,
  80     JSCLASS_ARRAY,
  81     JSCLASS_BOOLEAN,
  82     JSCLASS_DATE,
  83     JSCLASS_ERROR,
  84     JSCLASS_FUNCTION,
  85     JSCLASS_GLOBAL,
  86     JSCLASS_MATH,
  87     JSCLASS_NUMBER,
  88     JSCLASS_OBJECT,
  89     JSCLASS_REGEXP,
  90     JSCLASS_STRING,
  91     JSCLASS_ARGUMENTS
  92 } jsclass_t;
  93
  94 DispatchEx *iface_to_jsdisp(IUnknown*);
  95
  96 typedef struct {
  97     union {
  98         IDispatch *disp;
  99         IDispatchEx *dispex;
 100         DispatchEx *jsdisp;
 101     } u;
 102     DWORD flags;
 103 } vdisp_t;
 104
 105 #define VDISP_DISPEX  0x0001
 106 #define VDISP_JSDISP  0x0002
 107
 108 static inline void vdisp_release(vdisp_t *vdisp)
 109 {
 110     IDispatch_Release(vdisp->u.disp);
 111 }
 112
 113 static inline BOOL is_jsdisp(vdisp_t *vdisp)
 114 {
 115     return (vdisp->flags & VDISP_JSDISP) != 0;
 116 }
 117
 118 static inline BOOL is_dispex(vdisp_t *vdisp)
 119 {
 120     return (vdisp->flags & VDISP_DISPEX) != 0;
 121 }
 122
 123 static inline void set_jsdisp(vdisp_t *vdisp, DispatchEx *jsdisp)
 124 {
 125     vdisp->u.jsdisp = jsdisp;
 126     vdisp->flags = VDISP_JSDISP | VDISP_DISPEX;
 127     IDispatch_AddRef(vdisp->u.disp);
 128 }
 129
 130 static inline void set_disp(vdisp_t *vdisp, IDispatch *disp)
 131 {
 132     IDispatchEx *dispex;
 133     DispatchEx *jsdisp;
 134     HRESULT hres;
 135
 136     jsdisp = iface_to_jsdisp((IUnknown*)disp);
 137     if(jsdisp) {
 138         vdisp->u.jsdisp = jsdisp;
 139         vdisp->flags = VDISP_JSDISP | VDISP_DISPEX;
 140         return;
 141     }
 142
 143     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
 144     if(SUCCEEDED(hres)) {
 145         vdisp->u.dispex = dispex;
 146         vdisp->flags = VDISP_DISPEX;
 147         return;
 148     }
 149
 150     IDispatch_AddRef(disp);
 151     vdisp->u.disp = disp;
 152     vdisp->flags = 0;
 153 }
 154
 155 static inline DispatchEx *get_jsdisp(vdisp_t *vdisp)
 156 {
 157     return is_jsdisp(vdisp) ? vdisp->u.jsdisp : NULL;
 158 }
 159
 160 typedef HRESULT (*builtin_invoke_t)(script_ctx_t*,vdisp_t*,WORD,DISPPARAMS*,VARIANT*,jsexcept_t*,IServiceProvider*);
 161
 162 typedef struct {
 163     const WCHAR *name;
 164     builtin_invoke_t invoke;
 165     DWORD flags;
 166 } builtin_prop_t;
 167
 168 typedef struct {
 169     jsclass_t class;
 170     builtin_prop_t value_prop;
 171     DWORD props_cnt;
 172     const builtin_prop_t *props;
 173     void (*destructor)(DispatchEx*);
 174     void (*on_put)(DispatchEx*,const WCHAR*);
 175 } builtin_info_t;
 176
 177 struct DispatchEx {
 178     const IDispatchExVtbl  *lpIDispatchExVtbl;
 179
 180     LONG ref;
 181
 182     DWORD buf_size;
 183     DWORD prop_cnt;
 184     dispex_prop_t *props;
 185     script_ctx_t *ctx;
 186
 187     DispatchEx *prototype;
 188
 189     const builtin_info_t *builtin_info;
 190 };
 191
 192 #define _IDispatchEx_(x) ((IDispatchEx*) &(x)->lpIDispatchExVtbl)
 193
 194 static inline void jsdisp_release(DispatchEx *jsdisp)
 195 {
 196     IDispatchEx_Release(_IDispatchEx_(jsdisp));
 197 }
 198
 199 HRESULT create_dispex(script_ctx_t*,const builtin_info_t*,DispatchEx*,DispatchEx**);
 200 HRESULT init_dispex(DispatchEx*,script_ctx_t*,const builtin_info_t*,DispatchEx*);
 201 HRESULT init_dispex_from_constr(DispatchEx*,script_ctx_t*,const builtin_info_t*,DispatchEx*);
 202
 203 HRESULT disp_call(script_ctx_t*,IDispatch*,DISPID,WORD,DISPPARAMS*,VARIANT*,jsexcept_t*,IServiceProvider*);
 204 HRESULT jsdisp_call_value(DispatchEx*,WORD,DISPPARAMS*,VARIANT*,jsexcept_t*,IServiceProvider*);
 205 HRESULT jsdisp_call(DispatchEx*,DISPID,WORD,DISPPARAMS*,VARIANT*,jsexcept_t*,IServiceProvider*);
 206 HRESULT jsdisp_call_name(DispatchEx*,const WCHAR*,WORD,DISPPARAMS*,VARIANT*,jsexcept_t*,IServiceProvider*);
 207 HRESULT disp_propget(script_ctx_t*,IDispatch*,DISPID,VARIANT*,jsexcept_t*,IServiceProvider*);
 208 HRESULT disp_propput(script_ctx_t*,IDispatch*,DISPID,VARIANT*,jsexcept_t*,IServiceProvider*);
 209 HRESULT jsdisp_propget(DispatchEx*,DISPID,VARIANT*,jsexcept_t*,IServiceProvider*);
 210 HRESULT jsdisp_propput_name(DispatchEx*,const WCHAR*,VARIANT*,jsexcept_t*,IServiceProvider*);
 211 HRESULT jsdisp_propput_const(DispatchEx*,const WCHAR*,VARIANT*);
 212 HRESULT jsdisp_propput_idx(DispatchEx*,DWORD,VARIANT*,jsexcept_t*,IServiceProvider*);
 213 HRESULT jsdisp_propget_name(DispatchEx*,LPCWSTR,VARIANT*,jsexcept_t*,IServiceProvider*);
 214 HRESULT jsdisp_get_idx(DispatchEx*,DWORD,VARIANT*,jsexcept_t*,IServiceProvider*);
 215 HRESULT jsdisp_get_id(DispatchEx*,const WCHAR*,DWORD,DISPID*);
 216 HRESULT jsdisp_delete_idx(DispatchEx*,DWORD);
 217
 218 HRESULT create_builtin_function(script_ctx_t*,builtin_invoke_t,const WCHAR*,const builtin_info_t*,DWORD,
 219         DispatchEx*,DispatchEx**);
 220 HRESULT Function_value(script_ctx_t*,vdisp_t*,WORD,DISPPARAMS*,VARIANT*,jsexcept_t*,IServiceProvider*);
 221
 222 HRESULT throw_eval_error(script_ctx_t*,jsexcept_t*,UINT,const WCHAR*);
 223 HRESULT throw_generic_error(script_ctx_t*,jsexcept_t*,UINT,const WCHAR*);
 224 HRESULT throw_range_error(script_ctx_t*,jsexcept_t*,UINT,const WCHAR*);
 225 HRESULT throw_reference_error(script_ctx_t*,jsexcept_t*,UINT,const WCHAR*);
 226 HRESULT throw_regexp_error(script_ctx_t*,jsexcept_t*,UINT,const WCHAR*);
 227 HRESULT throw_syntax_error(script_ctx_t*,jsexcept_t*,UINT,const WCHAR*);
 228 HRESULT throw_type_error(script_ctx_t*,jsexcept_t*,UINT,const WCHAR*);
 229 HRESULT throw_uri_error(script_ctx_t*,jsexcept_t*,UINT,const WCHAR*);
 230
 231 HRESULT create_object(script_ctx_t*,DispatchEx*,DispatchEx**);
 232 HRESULT create_math(script_ctx_t*,DispatchEx**);
 233 HRESULT create_array(script_ctx_t*,DWORD,DispatchEx**);
 234 HRESULT create_regexp(script_ctx_t*,const WCHAR *,int,DWORD,DispatchEx**);
 235 HRESULT create_regexp_var(script_ctx_t*,VARIANT*,VARIANT*,DispatchEx**);
 236 HRESULT create_string(script_ctx_t*,const WCHAR*,DWORD,DispatchEx**);
 237 HRESULT create_bool(script_ctx_t*,VARIANT_BOOL,DispatchEx**);
 238 HRESULT create_number(script_ctx_t*,VARIANT*,DispatchEx**);
 239
 240 typedef enum {
 241     NO_HINT,
 242     HINT_STRING,
 243     HINT_NUMBER
 244 } hint_t;
 245
 246 HRESULT to_primitive(script_ctx_t*,VARIANT*,jsexcept_t*,VARIANT*, hint_t);
 247 HRESULT to_boolean(VARIANT*,VARIANT_BOOL*);
 248 HRESULT to_number(script_ctx_t*,VARIANT*,jsexcept_t*,VARIANT*);
 249 HRESULT to_integer(script_ctx_t*,VARIANT*,jsexcept_t*,VARIANT*);
 250 HRESULT to_int32(script_ctx_t*,VARIANT*,jsexcept_t*,INT*);
 251 HRESULT to_uint32(script_ctx_t*,VARIANT*,jsexcept_t*,DWORD*);
 252 HRESULT to_string(script_ctx_t*,VARIANT*,jsexcept_t*,BSTR*);
 253 HRESULT to_object(script_ctx_t*,VARIANT*,IDispatch**);
 254
 255 typedef struct named_item_t {
 256     IDispatch *disp;
 257     DWORD flags;
 258     LPWSTR name;
 259
 260     struct named_item_t *next;
 261 } named_item_t;
 262
 263 struct _script_ctx_t {
 264     LONG ref;
 265
 266     SCRIPTSTATE state;
 267     exec_ctx_t *exec_ctx;
 268     named_item_t *named_items;
 269     IActiveScriptSite *site;
 270     IInternetHostSecurityManager *secmgr;
 271     DWORD safeopt;
 272     DWORD version;
 273     LCID lcid;
 274
 275     jsheap_t tmp_heap;
 276
 277     IDispatch *host_global;
 278
 279     BSTR last_match;
 280     DWORD last_match_index;
 281     DWORD last_match_length;
 282
 283     DispatchEx *global;
 284     DispatchEx *function_constr;
 285     DispatchEx *activex_constr;
 286     DispatchEx *array_constr;
 287     DispatchEx *bool_constr;
 288     DispatchEx *date_constr;
 289     DispatchEx *error_constr;
 290     DispatchEx *eval_error_constr;
 291     DispatchEx *range_error_constr;
 292     DispatchEx *reference_error_constr;
 293     DispatchEx *regexp_error_constr;
 294     DispatchEx *syntax_error_constr;
 295     DispatchEx *type_error_constr;
 296     DispatchEx *uri_error_constr;
 297     DispatchEx *number_constr;
 298     DispatchEx *object_constr;
 299     DispatchEx *regexp_constr;
 300     DispatchEx *string_constr;
 301 };
 302
 303 void script_release(script_ctx_t*);
 304
 305 static inline void script_addref(script_ctx_t *ctx)
 306 {
 307     ctx->ref++;
 308 }
 309
 310 HRESULT init_global(script_ctx_t*);
 311 HRESULT init_function_constr(script_ctx_t*,DispatchEx*);
 312 HRESULT create_object_prototype(script_ctx_t*,DispatchEx**);
 313
 314 HRESULT create_activex_constr(script_ctx_t*,DispatchEx**);
 315 HRESULT create_array_constr(script_ctx_t*,DispatchEx*,DispatchEx**);
 316 HRESULT create_bool_constr(script_ctx_t*,DispatchEx*,DispatchEx**);
 317 HRESULT create_date_constr(script_ctx_t*,DispatchEx*,DispatchEx**);
 318 HRESULT init_error_constr(script_ctx_t*,DispatchEx*);
 319 HRESULT create_number_constr(script_ctx_t*,DispatchEx*,DispatchEx**);
 320 HRESULT create_object_constr(script_ctx_t*,DispatchEx*,DispatchEx**);
 321 HRESULT create_regexp_constr(script_ctx_t*,DispatchEx*,DispatchEx**);
 322 HRESULT create_string_constr(script_ctx_t*,DispatchEx*,DispatchEx**);
 323
 324 IUnknown *create_ax_site(script_ctx_t*);
 325
 326 typedef struct {
 327     const WCHAR *str;
 328     DWORD len;
 329 } match_result_t;
 330
 331 #define REM_CHECK_GLOBAL   0x0001
 332 #define REM_RESET_INDEX    0x0002
 333 #define REM_NO_CTX_UPDATE  0x0004
 334 HRESULT regexp_match_next(script_ctx_t*,DispatchEx*,DWORD,const WCHAR*,DWORD,const WCHAR**,match_result_t**,
 335         DWORD*,DWORD*,match_result_t*);
 336 HRESULT regexp_match(script_ctx_t*,DispatchEx*,const WCHAR*,DWORD,BOOL,match_result_t**,DWORD*);
 337 HRESULT parse_regexp_flags(const WCHAR*,DWORD,DWORD*);
 338 HRESULT regexp_string_match(script_ctx_t*,DispatchEx*,BSTR,VARIANT*,jsexcept_t*);
 339
 340 static inline VARIANT *get_arg(DISPPARAMS *dp, DWORD i)
 341 {
 342     return dp->rgvarg + dp->cArgs-i-1;
 343 }
 344
 345 static inline DWORD arg_cnt(const DISPPARAMS *dp)
 346 {
 347     return dp->cArgs - dp->cNamedArgs;
 348 }
 349
 350 static inline BOOL is_class(DispatchEx *jsdisp, jsclass_t class)
 351 {
 352     return jsdisp->builtin_info->class == class;
 353 }
 354
 355 static inline BOOL is_vclass(vdisp_t *vdisp, jsclass_t class)
 356 {
 357     return is_jsdisp(vdisp) && is_class(vdisp->u.jsdisp, class);
 358 }
 359
 360 static inline BOOL is_num_vt(enum VARENUM vt)
 361 {
 362     return vt == VT_I4 || vt == VT_R8;
 363 }
 364
 365 static inline DOUBLE num_val(const VARIANT *v)
 366 {
 367     return V_VT(v) == VT_I4 ? V_I4(v) : V_R8(v);
 368 }
 369
 370 static inline void num_set_val(VARIANT *v, DOUBLE d)
 371 {
 372     if(d == (DOUBLE)(INT)d) {
 373         V_VT(v) = VT_I4;
 374         V_I4(v) = d;
 375     }else {
 376         V_VT(v) = VT_R8;
 377         V_R8(v) = d;
 378     }
 379 }
 380
 381 static inline void num_set_nan(VARIANT *v)
 382 {
 383     V_VT(v) = VT_R8;
 384 #ifdef NAN
 385     V_R8(v) = NAN;
 386 #else
 387     V_UI8(v) = (ULONGLONG)0x7ff80000<<32;
 388 #endif
 389 }
 390
 391 static inline DOUBLE ret_nan(void)
 392 {
 393     VARIANT v;
 394     num_set_nan(&v);
 395     return V_R8(&v);
 396 }
 397
 398 static inline void num_set_inf(VARIANT *v, BOOL positive)
 399 {
 400     V_VT(v) = VT_R8;
 401 #ifdef INFINITY
 402     V_R8(v) = positive ? INFINITY : -INFINITY;
 403 #else
 404     V_UI8(v) = (ULONGLONG)0x7ff00000<<32;
 405     if(!positive)
 406         V_R8(v) = -V_R8(v);
 407 #endif
 408 }
 409
 410 static inline DWORD make_grfdex(script_ctx_t *ctx, DWORD flags)
 411 {
 412     return (ctx->version << 28) | flags;
 413 }
 414
 415 const char *debugstr_variant(const VARIANT*);
 416
 417 HRESULT WINAPI JScriptFactory_CreateInstance(IClassFactory*,IUnknown*,REFIID,void**);
 418
 419 extern LONG module_ref;
 420
 421 static inline void lock_module(void)
 422 {
 423     InterlockedIncrement(&module_ref);
 424 }
 425
 426 static inline void unlock_module(void)
 427 {
 428     InterlockedDecrement(&module_ref);
 429 }
 430
 431 static inline void *heap_alloc(size_t len)
 432 {
 433     return HeapAlloc(GetProcessHeap(), 0, len);
 434 }
 435
 436 static inline void *heap_alloc_zero(size_t len)
 437 {
 438     return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
 439 }
 440
 441 static inline void *heap_realloc(void *mem, size_t len)
 442 {
 443     return HeapReAlloc(GetProcessHeap(), 0, mem, len);
 444 }
 445
 446 static inline BOOL heap_free(void *mem)
 447 {
 448     return HeapFree(GetProcessHeap(), 0, mem);
 449 }
 450
 451 static inline LPWSTR heap_strdupW(LPCWSTR str)
 452 {
 453     LPWSTR ret = NULL;
 454
 455     if(str) {
 456         DWORD size;
 457
 458         size = (strlenW(str)+1)*sizeof(WCHAR);
 459         ret = heap_alloc(size);
 460         memcpy(ret, str, size);
 461     }
 462
 463     return ret;
 464 }
 465
 466 #define DEFINE_THIS(cls,ifc,iface) ((cls*)((BYTE*)(iface)-offsetof(cls,lp ## ifc ## Vtbl)))