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 "wine/unicode.h"
  32 #include "wine/list.h"
  33
  34 typedef struct _script_ctx_t script_ctx_t;
  35 typedef struct _exec_ctx_t exec_ctx_t;
  36 typedef struct _dispex_prop_t dispex_prop_t;
  37
  38 typedef struct {
  39     EXCEPINFO ei;
  40     VARIANT var;
  41 } jsexcept_t;
  42
  43 typedef struct {
  44     void **blocks;
  45     DWORD block_cnt;
  46     DWORD last_block;
  47     DWORD offset;
  48     BOOL mark;
  49     struct list custom_blocks;
  50 } jsheap_t;
  51
  52 void jsheap_init(jsheap_t*);
  53 void *jsheap_alloc(jsheap_t*,DWORD);
  54 void *jsheap_grow(jsheap_t*,void*,DWORD,DWORD);
  55 void jsheap_clear(jsheap_t*);
  56 void jsheap_free(jsheap_t*);
  57 jsheap_t *jsheap_mark(jsheap_t*);
  58
  59 typedef struct DispatchEx DispatchEx;
  60
  61 #define PROPF_ARGMASK 0x00ff
  62 #define PROPF_METHOD  0x0100
  63 #define PROPF_ENUM    0x0200
  64 #define PROPF_CONSTR  0x0400
  65
  66 typedef enum {
  67     JSCLASS_NONE,
  68     JSCLASS_ARRAY,
  69     JSCLASS_BOOLEAN,
  70     JSCLASS_DATE,
  71     JSCLASS_ERROR,
  72     JSCLASS_FUNCTION,
  73     JSCLASS_GLOBAL,
  74     JSCLASS_MATH,
  75     JSCLASS_NUMBER,
  76     JSCLASS_OBJECT,
  77     JSCLASS_REGEXP,
  78     JSCLASS_STRING
  79 } jsclass_t;
  80
  81 typedef HRESULT (*builtin_invoke_t)(DispatchEx*,LCID,WORD,DISPPARAMS*,VARIANT*,jsexcept_t*,IServiceProvider*);
  82
  83 typedef struct {
  84     const WCHAR *name;
  85     builtin_invoke_t invoke;
  86     DWORD flags;
  87 } builtin_prop_t;
  88
  89 typedef struct {
  90     jsclass_t class;
  91     builtin_prop_t value_prop;
  92     DWORD props_cnt;
  93     const builtin_prop_t *props;
  94     void (*destructor)(DispatchEx*);
  95     void (*on_put)(DispatchEx*,const WCHAR*);
  96 } builtin_info_t;
  97
  98 struct DispatchEx {
  99     const IDispatchExVtbl  *lpIDispatchExVtbl;
 100
 101     LONG ref;
 102
 103     DWORD buf_size;
 104     DWORD prop_cnt;
 105     dispex_prop_t *props;
 106     script_ctx_t *ctx;
 107
 108     DispatchEx *prototype;
 109
 110     const builtin_info_t *builtin_info;
 111 };
 112
 113 #define _IDispatchEx_(x) ((IDispatchEx*) &(x)->lpIDispatchExVtbl)
 114
 115 static inline void jsdisp_release(DispatchEx *jsdisp)
 116 {
 117     IDispatchEx_Release(_IDispatchEx_(jsdisp));
 118 }
 119
 120 HRESULT create_dispex(script_ctx_t*,const builtin_info_t*,DispatchEx*,DispatchEx**);
 121 HRESULT init_dispex(DispatchEx*,script_ctx_t*,const builtin_info_t*,DispatchEx*);
 122 HRESULT init_dispex_from_constr(DispatchEx*,script_ctx_t*,const builtin_info_t*,DispatchEx*);
 123 DispatchEx *iface_to_jsdisp(IUnknown*);
 124
 125 HRESULT disp_call(IDispatch*,DISPID,LCID,WORD,DISPPARAMS*,VARIANT*,jsexcept_t*,IServiceProvider*);
 126 HRESULT jsdisp_call_value(DispatchEx*,LCID,WORD,DISPPARAMS*,VARIANT*,jsexcept_t*,IServiceProvider*);
 127 HRESULT jsdisp_call(DispatchEx*,DISPID,LCID,WORD,DISPPARAMS*,VARIANT*,jsexcept_t*,IServiceProvider*);
 128 HRESULT disp_propget(IDispatch*,DISPID,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
 129 HRESULT disp_propput(IDispatch*,DISPID,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
 130 HRESULT jsdisp_propget(DispatchEx*,DISPID,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
 131 HRESULT jsdisp_propput_name(DispatchEx*,const WCHAR*,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
 132 HRESULT jsdisp_propput_idx(DispatchEx*,DWORD,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
 133 HRESULT jsdisp_propget_name(DispatchEx*,LPCWSTR,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
 134 HRESULT jsdisp_propget_idx(DispatchEx*,DWORD,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
 135 HRESULT jsdisp_get_id(DispatchEx*,const WCHAR*,DWORD,DISPID*);
 136 HRESULT jsdisp_delete_idx(DispatchEx*,DWORD);
 137
 138 HRESULT create_builtin_function(script_ctx_t*,builtin_invoke_t,const builtin_info_t*,DWORD,
 139         DispatchEx*,DispatchEx**);
 140 HRESULT Function_value(DispatchEx*,LCID,WORD,DISPPARAMS*,VARIANT*,jsexcept_t*,IServiceProvider*);
 141
 142
 143 HRESULT create_object(script_ctx_t*,DispatchEx*,DispatchEx**);
 144 HRESULT create_math(script_ctx_t*,DispatchEx**);
 145 HRESULT create_array(script_ctx_t*,DWORD,DispatchEx**);
 146 HRESULT create_regexp_str(script_ctx_t*,const WCHAR*,DWORD,const WCHAR*,DWORD,DispatchEx**);
 147 HRESULT create_string(script_ctx_t*,const WCHAR*,DWORD,DispatchEx**);
 148 HRESULT create_bool(script_ctx_t*,VARIANT_BOOL,DispatchEx**);
 149 HRESULT create_number(script_ctx_t*,VARIANT*,DispatchEx**);
 150
 151 typedef enum {
 152     NO_HINT,
 153     HINT_STRING,
 154     HINT_NUMBER
 155 } hint_t;
 156
 157 HRESULT to_primitive(script_ctx_t*,VARIANT*,jsexcept_t*,VARIANT*, hint_t);
 158 HRESULT to_boolean(VARIANT*,VARIANT_BOOL*);
 159 HRESULT to_number(script_ctx_t*,VARIANT*,jsexcept_t*,VARIANT*);
 160 HRESULT to_integer(script_ctx_t*,VARIANT*,jsexcept_t*,VARIANT*);
 161 HRESULT to_int32(script_ctx_t*,VARIANT*,jsexcept_t*,INT*);
 162 HRESULT to_uint32(script_ctx_t*,VARIANT*,jsexcept_t*,DWORD*);
 163 HRESULT to_string(script_ctx_t*,VARIANT*,jsexcept_t*,BSTR*);
 164 HRESULT to_object(exec_ctx_t*,VARIANT*,IDispatch**);
 165
 166 typedef struct named_item_t {
 167     IDispatch *disp;
 168     DWORD flags;
 169     LPWSTR name;
 170
 171     struct named_item_t *next;
 172 } named_item_t;
 173
 174 struct _script_ctx_t {
 175     LONG ref;
 176
 177     SCRIPTSTATE state;
 178     exec_ctx_t *exec_ctx;
 179     named_item_t *named_items;
 180     IActiveScriptSite *site;
 181     LCID lcid;
 182
 183     jsheap_t tmp_heap;
 184
 185     DispatchEx *script_disp;
 186     DispatchEx *global;
 187     DispatchEx *function_constr;
 188     DispatchEx *array_constr;
 189     DispatchEx *bool_constr;
 190     DispatchEx *date_constr;
 191     DispatchEx *number_constr;
 192     DispatchEx *object_constr;
 193     DispatchEx *regexp_constr;
 194     DispatchEx *string_constr;
 195 };
 196
 197 void script_release(script_ctx_t*);
 198
 199 static inline void script_addref(script_ctx_t *ctx)
 200 {
 201     ctx->ref++;
 202 }
 203
 204 HRESULT init_global(script_ctx_t*);
 205 HRESULT init_function_constr(script_ctx_t*,DispatchEx*);
 206 HRESULT create_object_prototype(script_ctx_t*,DispatchEx**);
 207
 208 HRESULT create_array_constr(script_ctx_t*,DispatchEx**);
 209 HRESULT create_bool_constr(script_ctx_t*,DispatchEx**);
 210 HRESULT create_date_constr(script_ctx_t*,DispatchEx**);
 211 HRESULT create_number_constr(script_ctx_t*,DispatchEx**);
 212 HRESULT create_object_constr(script_ctx_t*,DispatchEx*,DispatchEx**);
 213 HRESULT create_regexp_constr(script_ctx_t*,DispatchEx**);
 214 HRESULT create_string_constr(script_ctx_t*,DispatchEx**);
 215
 216 typedef struct {
 217     const WCHAR *str;
 218     DWORD len;
 219 } match_result_t;
 220
 221 HRESULT regexp_match_next(DispatchEx*,BOOL,const WCHAR*,DWORD,const WCHAR**,match_result_t**,
 222         DWORD*,DWORD*,match_result_t*);
 223 HRESULT regexp_match(DispatchEx*,const WCHAR*,DWORD,BOOL,match_result_t**,DWORD*);
 224
 225 static inline VARIANT *get_arg(DISPPARAMS *dp, DWORD i)
 226 {
 227     return dp->rgvarg + dp->cArgs-i-1;
 228 }
 229
 230 static inline DWORD arg_cnt(const DISPPARAMS *dp)
 231 {
 232     return dp->cArgs - dp->cNamedArgs;
 233 }
 234
 235 static inline BOOL is_class(DispatchEx *jsdisp, jsclass_t class)
 236 {
 237     return jsdisp->builtin_info->class == class;
 238 }
 239
 240 static inline BOOL is_num_vt(enum VARENUM vt)
 241 {
 242     return vt == VT_I4 || vt == VT_R8;
 243 }
 244
 245 static inline DOUBLE num_val(const VARIANT *v)
 246 {
 247     return V_VT(v) == VT_I4 ? V_I4(v) : V_R8(v);
 248 }
 249
 250 static inline void num_set_val(VARIANT *v, DOUBLE d)
 251 {
 252     if(d == (DOUBLE)(INT)d) {
 253         V_VT(v) = VT_I4;
 254         V_I4(v) = d;
 255     }else {
 256         V_VT(v) = VT_R8;
 257         V_R8(v) = d;
 258     }
 259 }
 260
 261 static inline void num_set_nan(VARIANT *v)
 262 {
 263     V_VT(v) = VT_R8;
 264 #ifdef NAN
 265     V_R8(v) = NAN;
 266 #else
 267     V_UI8(v) = (ULONGLONG)0x7ff80000<<32;
 268 #endif
 269 }
 270
 271 static inline DOUBLE ret_nan()
 272 {
 273     VARIANT v;
 274     num_set_nan(&v);
 275     return V_R8(&v);
 276 }
 277
 278 static inline void num_set_inf(VARIANT *v, BOOL positive)
 279 {
 280     V_VT(v) = VT_R8;
 281 #ifdef INFINITY
 282     V_R8(v) = positive ? INFINITY : -INFINITY;
 283 #else
 284     V_UI8(v) = (ULONGLONG)0x7ff00000<<32;
 285     if(!positive)
 286         V_R8(v) = -V_R8(v);
 287 #endif
 288 }
 289
 290 const char *debugstr_variant(const VARIANT*);
 291
 292 HRESULT WINAPI JScriptFactory_CreateInstance(IClassFactory*,IUnknown*,REFIID,void**);
 293
 294 extern LONG module_ref;
 295
 296 static inline void lock_module(void)
 297 {
 298     InterlockedIncrement(&module_ref);
 299 }
 300
 301 static inline void unlock_module(void)
 302 {
 303     InterlockedDecrement(&module_ref);
 304 }
 305
 306 static inline void *heap_alloc(size_t len)
 307 {
 308     return HeapAlloc(GetProcessHeap(), 0, len);
 309 }
 310
 311 static inline void *heap_alloc_zero(size_t len)
 312 {
 313     return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
 314 }
 315
 316 static inline void *heap_realloc(void *mem, size_t len)
 317 {
 318     return HeapReAlloc(GetProcessHeap(), 0, mem, len);
 319 }
 320
 321 static inline BOOL heap_free(void *mem)
 322 {
 323     return HeapFree(GetProcessHeap(), 0, mem);
 324 }
 325
 326 static inline LPWSTR heap_strdupW(LPCWSTR str)
 327 {
 328     LPWSTR ret = NULL;
 329
 330     if(str) {
 331         DWORD size;
 332
 333         size = (strlenW(str)+1)*sizeof(WCHAR);
 334         ret = heap_alloc(size);
 335         memcpy(ret, str, size);
 336     }
 337
 338     return ret;
 339 }
 340
 341 #define DEFINE_THIS(cls,ifc,iface) ((cls*)((BYTE*)(iface)-offsetof(cls,lp ## ifc ## Vtbl)))