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