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