dlls/jscript/jscript.h

   1 /*
   2  * Copyright 2008 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 #define JSCRIPT_ERROR 0x800A0000
  37
  38 typedef struct _script_ctx_t script_ctx_t;
  39 typedef struct _exec_ctx_t exec_ctx_t;
  40 typedef struct _dispex_prop_t dispex_prop_t;
  41
  42 typedef struct {
  43     EXCEPINFO ei;
  44     VARIANT var;
  45 } jsexcept_t;
  46
  47 typedef struct {
  48     void **blocks;
  49     DWORD block_cnt;
  50     DWORD last_block;
  51     DWORD offset;
  52     BOOL mark;
  53     struct list custom_blocks;
  54 } jsheap_t;
  55
  56 void jsheap_init(jsheap_t*);
  57 void *jsheap_alloc(jsheap_t*,DWORD);
  58 void *jsheap_grow(jsheap_t*,void*,DWORD,DWORD);
  59 void jsheap_clear(jsheap_t*);
  60 void jsheap_free(jsheap_t*);
  61 jsheap_t *jsheap_mark(jsheap_t*);
  62
  63 typedef struct DispatchEx DispatchEx;
  64
  65 extern HINSTANCE jscript_hinstance;
  66
  67 #define PROPF_ARGMASK 0x00ff
  68 #define PROPF_METHOD  0x0100
  69 #define PROPF_ENUM    0x0200
  70 #define PROPF_CONSTR  0x0400
  71
  72 /* NOTE: Keep in sync with names in Object.toString implementation */
  73 typedef enum {
  74     JSCLASS_NONE,
  75     JSCLASS_ARRAY,
  76     JSCLASS_BOOLEAN,
  77     JSCLASS_DATE,
  78     JSCLASS_ERROR,
  79     JSCLASS_FUNCTION,
  80     JSCLASS_GLOBAL,
  81     JSCLASS_MATH,
  82     JSCLASS_NUMBER,
  83     JSCLASS_OBJECT,
  84     JSCLASS_REGEXP,
  85     JSCLASS_STRING,
  86     JSCLASS_ARGUMENTS
  87 } jsclass_t;
  88
  89 typedef HRESULT (*builtin_invoke_t)(DispatchEx*,LCID,WORD,DISPPARAMS*,VARIANT*,jsexcept_t*,IServiceProvider*);
  90
  91 typedef struct {
  92     const WCHAR *name;
  93     builtin_invoke_t invoke;
  94     DWORD flags;
  95 } builtin_prop_t;
  96
  97 typedef struct {
  98     jsclass_t class;
  99     builtin_prop_t value_prop;
 100     DWORD props_cnt;
 101     const builtin_prop_t *props;
 102     void (*destructor)(DispatchEx*);
 103     void (*on_put)(DispatchEx*,const WCHAR*);
 104 } builtin_info_t;
 105
 106 struct DispatchEx {
 107     const IDispatchExVtbl  *lpIDispatchExVtbl;
 108
 109     LONG ref;
 110
 111     DWORD buf_size;
 112     DWORD prop_cnt;
 113     dispex_prop_t *props;
 114     script_ctx_t *ctx;
 115
 116     DispatchEx *prototype;
 117
 118     const builtin_info_t *builtin_info;
 119 };
 120
 121 #define _IDispatchEx_(x) ((IDispatchEx*) &(x)->lpIDispatchExVtbl)
 122
 123 static inline void jsdisp_release(DispatchEx *jsdisp)
 124 {
 125     IDispatchEx_Release(_IDispatchEx_(jsdisp));
 126 }
 127
 128 HRESULT create_dispex(script_ctx_t*,const builtin_info_t*,DispatchEx*,DispatchEx**);
 129 HRESULT init_dispex(DispatchEx*,script_ctx_t*,const builtin_info_t*,DispatchEx*);
 130 HRESULT init_dispex_from_constr(DispatchEx*,script_ctx_t*,const builtin_info_t*,DispatchEx*);
 131 DispatchEx *iface_to_jsdisp(IUnknown*);
 132
 133 HRESULT disp_call(IDispatch*,DISPID,LCID,WORD,DISPPARAMS*,VARIANT*,jsexcept_t*,IServiceProvider*);
 134 HRESULT jsdisp_call_value(DispatchEx*,LCID,WORD,DISPPARAMS*,VARIANT*,jsexcept_t*,IServiceProvider*);
 135 HRESULT jsdisp_call(DispatchEx*,DISPID,LCID,WORD,DISPPARAMS*,VARIANT*,jsexcept_t*,IServiceProvider*);
 136 HRESULT jsdisp_call_name(DispatchEx*,const WCHAR*,LCID,WORD,DISPPARAMS*,VARIANT*,jsexcept_t*,IServiceProvider*);
 137 HRESULT disp_propget(IDispatch*,DISPID,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
 138 HRESULT disp_propput(IDispatch*,DISPID,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
 139 HRESULT jsdisp_propget(DispatchEx*,DISPID,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
 140 HRESULT jsdisp_propput_name(DispatchEx*,const WCHAR*,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
 141 HRESULT jsdisp_propput_idx(DispatchEx*,DWORD,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
 142 HRESULT jsdisp_propget_name(DispatchEx*,LPCWSTR,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
 143 HRESULT jsdisp_propget_idx(DispatchEx*,DWORD,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
 144 HRESULT jsdisp_get_id(DispatchEx*,const WCHAR*,DWORD,DISPID*);
 145 HRESULT jsdisp_delete_idx(DispatchEx*,DWORD);
 146
 147 HRESULT create_builtin_function(script_ctx_t*,builtin_invoke_t,const WCHAR*,const builtin_info_t*,DWORD,
 148         DispatchEx*,DispatchEx**);
 149 HRESULT Function_value(DispatchEx*,LCID,WORD,DISPPARAMS*,VARIANT*,jsexcept_t*,IServiceProvider*);
 150
 151 HRESULT throw_eval_error(script_ctx_t*,jsexcept_t*,UINT,const WCHAR*);
 152 HRESULT throw_range_error(script_ctx_t*,jsexcept_t*,UINT,const WCHAR*);
 153 HRESULT throw_reference_error(script_ctx_t*,jsexcept_t*,UINT,const WCHAR*);
 154 HRESULT throw_syntax_error(script_ctx_t*,jsexcept_t*,UINT,const WCHAR*);
 155 HRESULT throw_type_error(script_ctx_t*,jsexcept_t*,UINT,const WCHAR*);
 156 HRESULT throw_uri_error(script_ctx_t*,jsexcept_t*,UINT,const WCHAR*);
 157
 158
 159 HRESULT create_object(script_ctx_t*,DispatchEx*,DispatchEx**);
 160 HRESULT create_math(script_ctx_t*,DispatchEx**);
 161 HRESULT create_array(script_ctx_t*,DWORD,DispatchEx**);
 162 HRESULT create_regexp_str(script_ctx_t*,const WCHAR*,DWORD,const WCHAR*,DWORD,DispatchEx**);
 163 HRESULT create_string(script_ctx_t*,const WCHAR*,DWORD,DispatchEx**);
 164 HRESULT create_bool(script_ctx_t*,VARIANT_BOOL,DispatchEx**);
 165 HRESULT create_number(script_ctx_t*,VARIANT*,DispatchEx**);
 166
 167 typedef enum {
 168     NO_HINT,
 169     HINT_STRING,
 170     HINT_NUMBER
 171 } hint_t;
 172
 173 HRESULT to_primitive(script_ctx_t*,VARIANT*,jsexcept_t*,VARIANT*, hint_t);
 174 HRESULT to_boolean(VARIANT*,VARIANT_BOOL*);
 175 HRESULT to_number(script_ctx_t*,VARIANT*,jsexcept_t*,VARIANT*);
 176 HRESULT to_integer(script_ctx_t*,VARIANT*,jsexcept_t*,VARIANT*);
 177 HRESULT to_int32(script_ctx_t*,VARIANT*,jsexcept_t*,INT*);
 178 HRESULT to_uint32(script_ctx_t*,VARIANT*,jsexcept_t*,DWORD*);
 179 HRESULT to_string(script_ctx_t*,VARIANT*,jsexcept_t*,BSTR*);
 180 HRESULT to_object(script_ctx_t*,VARIANT*,IDispatch**);
 181
 182 typedef struct named_item_t {
 183     IDispatch *disp;
 184     DWORD flags;
 185     LPWSTR name;
 186
 187     struct named_item_t *next;
 188 } named_item_t;
 189
 190 struct _script_ctx_t {
 191     LONG ref;
 192
 193     SCRIPTSTATE state;
 194     exec_ctx_t *exec_ctx;
 195     named_item_t *named_items;
 196     IActiveScriptSite *site;
 197     LCID lcid;
 198
 199     jsheap_t tmp_heap;
 200
 201     DispatchEx *script_disp;
 202     DispatchEx *global;
 203     DispatchEx *function_constr;
 204     DispatchEx *array_constr;
 205     DispatchEx *bool_constr;
 206     DispatchEx *date_constr;
 207     DispatchEx *error_constr;
 208     DispatchEx *eval_error_constr;
 209     DispatchEx *range_error_constr;
 210     DispatchEx *reference_error_constr;
 211     DispatchEx *syntax_error_constr;
 212     DispatchEx *type_error_constr;
 213     DispatchEx *uri_error_constr;
 214     DispatchEx *number_constr;
 215     DispatchEx *object_constr;
 216     DispatchEx *regexp_constr;
 217     DispatchEx *string_constr;
 218 };
 219
 220 void script_release(script_ctx_t*);
 221
 222 static inline void script_addref(script_ctx_t *ctx)
 223 {
 224     ctx->ref++;
 225 }
 226
 227 HRESULT init_global(script_ctx_t*);
 228 HRESULT init_function_constr(script_ctx_t*,DispatchEx*);
 229 HRESULT create_object_prototype(script_ctx_t*,DispatchEx**);
 230
 231 HRESULT create_array_constr(script_ctx_t*,DispatchEx*,DispatchEx**);
 232 HRESULT create_bool_constr(script_ctx_t*,DispatchEx*,DispatchEx**);
 233 HRESULT create_date_constr(script_ctx_t*,DispatchEx*,DispatchEx**);
 234 HRESULT init_error_constr(script_ctx_t*,DispatchEx*);
 235 HRESULT create_number_constr(script_ctx_t*,DispatchEx*,DispatchEx**);
 236 HRESULT create_object_constr(script_ctx_t*,DispatchEx*,DispatchEx**);
 237 HRESULT create_regexp_constr(script_ctx_t*,DispatchEx*,DispatchEx**);
 238 HRESULT create_string_constr(script_ctx_t*,DispatchEx*,DispatchEx**);
 239
 240 typedef struct {
 241     const WCHAR *str;
 242     DWORD len;
 243 } match_result_t;
 244
 245 HRESULT regexp_match_next(DispatchEx*,BOOL,const WCHAR*,DWORD,const WCHAR**,match_result_t**,
 246         DWORD*,DWORD*,match_result_t*);
 247 HRESULT regexp_match(DispatchEx*,const WCHAR*,DWORD,BOOL,match_result_t**,DWORD*);
 248
 249 static inline VARIANT *get_arg(DISPPARAMS *dp, DWORD i)
 250 {
 251     return dp->rgvarg + dp->cArgs-i-1;
 252 }
 253
 254 static inline DWORD arg_cnt(const DISPPARAMS *dp)
 255 {
 256     return dp->cArgs - dp->cNamedArgs;
 257 }
 258
 259 static inline BOOL is_class(DispatchEx *jsdisp, jsclass_t class)
 260 {
 261     return jsdisp->builtin_info->class == class;
 262 }
 263
 264 static inline BOOL is_num_vt(enum VARENUM vt)
 265 {
 266     return vt == VT_I4 || vt == VT_R8;
 267 }
 268
 269 static inline DOUBLE num_val(const VARIANT *v)
 270 {
 271     return V_VT(v) == VT_I4 ? V_I4(v) : V_R8(v);
 272 }
 273
 274 static inline void num_set_val(VARIANT *v, DOUBLE d)
 275 {
 276     if(d == (DOUBLE)(INT)d) {
 277         V_VT(v) = VT_I4;
 278         V_I4(v) = d;
 279     }else {
 280         V_VT(v) = VT_R8;
 281         V_R8(v) = d;
 282     }
 283 }
 284
 285 static inline void num_set_nan(VARIANT *v)
 286 {
 287     V_VT(v) = VT_R8;
 288 #ifdef NAN
 289     V_R8(v) = NAN;
 290 #else
 291     V_UI8(v) = (ULONGLONG)0x7ff80000<<32;
 292 #endif
 293 }
 294
 295 static inline DOUBLE ret_nan()
 296 {
 297     VARIANT v;
 298     num_set_nan(&v);
 299     return V_R8(&v);
 300 }
 301
 302 static inline void num_set_inf(VARIANT *v, BOOL positive)
 303 {
 304     V_VT(v) = VT_R8;
 305 #ifdef INFINITY
 306     V_R8(v) = positive ? INFINITY : -INFINITY;
 307 #else
 308     V_UI8(v) = (ULONGLONG)0x7ff00000<<32;
 309     if(!positive)
 310         V_R8(v) = -V_R8(v);
 311 #endif
 312 }
 313
 314 const char *debugstr_variant(const VARIANT*);
 315
 316 HRESULT WINAPI JScriptFactory_CreateInstance(IClassFactory*,IUnknown*,REFIID,void**);
 317
 318 extern LONG module_ref;
 319
 320 static inline void lock_module(void)
 321 {
 322     InterlockedIncrement(&module_ref);
 323 }
 324
 325 static inline void unlock_module(void)
 326 {
 327     InterlockedDecrement(&module_ref);
 328 }
 329
 330 static inline void *heap_alloc(size_t len)
 331 {
 332     return HeapAlloc(GetProcessHeap(), 0, len);
 333 }
 334
 335 static inline void *heap_alloc_zero(size_t len)
 336 {
 337     return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
 338 }
 339
 340 static inline void *heap_realloc(void *mem, size_t len)
 341 {
 342     return HeapReAlloc(GetProcessHeap(), 0, mem, len);
 343 }
 344
 345 static inline BOOL heap_free(void *mem)
 346 {
 347     return HeapFree(GetProcessHeap(), 0, mem);
 348 }
 349
 350 static inline LPWSTR heap_strdupW(LPCWSTR str)
 351 {
 352     LPWSTR ret = NULL;
 353
 354     if(str) {
 355         DWORD size;
 356
 357         size = (strlenW(str)+1)*sizeof(WCHAR);
 358         ret = heap_alloc(size);
 359         memcpy(ret, str, size);
 360     }
 361
 362     return ret;
 363 }
 364
 365 #define DEFINE_THIS(cls,ifc,iface) ((cls*)((BYTE*)(iface)-offsetof(cls,lp ## ifc ## Vtbl)))