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,DWORD,DispatchEx*,DispatchEx**);
 136
 137 HRESULT create_object(script_ctx_t*,DispatchEx*,DispatchEx**);
 138 HRESULT create_math(script_ctx_t*,DispatchEx**);
 139 HRESULT create_array(script_ctx_t*,DWORD,DispatchEx**);
 140 HRESULT create_regexp_str(script_ctx_t*,const WCHAR*,DWORD,const WCHAR*,DWORD,DispatchEx**);
 141 HRESULT create_string(script_ctx_t*,const WCHAR*,DWORD,DispatchEx**);
 142 HRESULT create_bool(script_ctx_t*,VARIANT_BOOL,DispatchEx**);
 143 HRESULT create_number(script_ctx_t*,VARIANT*,DispatchEx**);
 144
 145 HRESULT to_primitive(script_ctx_t*,VARIANT*,jsexcept_t*,VARIANT*);
 146 HRESULT to_boolean(VARIANT*,VARIANT_BOOL*);
 147 HRESULT to_number(script_ctx_t*,VARIANT*,jsexcept_t*,VARIANT*);
 148 HRESULT to_integer(script_ctx_t*,VARIANT*,jsexcept_t*,VARIANT*);
 149 HRESULT to_int32(script_ctx_t*,VARIANT*,jsexcept_t*,INT*);
 150 HRESULT to_uint32(script_ctx_t*,VARIANT*,jsexcept_t*,DWORD*);
 151 HRESULT to_string(script_ctx_t*,VARIANT*,jsexcept_t*,BSTR*);
 152 HRESULT to_object(exec_ctx_t*,VARIANT*,IDispatch**);
 153
 154 typedef struct named_item_t {
 155     IDispatch *disp;
 156     DWORD flags;
 157     LPWSTR name;
 158
 159     struct named_item_t *next;
 160 } named_item_t;
 161
 162 struct _script_ctx_t {
 163     LONG ref;
 164
 165     SCRIPTSTATE state;
 166     exec_ctx_t *exec_ctx;
 167     named_item_t *named_items;
 168     IActiveScriptSite *site;
 169     LCID lcid;
 170
 171     jsheap_t tmp_heap;
 172
 173     DispatchEx *script_disp;
 174     DispatchEx *global;
 175     DispatchEx *function_constr;
 176     DispatchEx *array_constr;
 177     DispatchEx *bool_constr;
 178     DispatchEx *date_constr;
 179     DispatchEx *number_constr;
 180     DispatchEx *object_constr;
 181     DispatchEx *regexp_constr;
 182     DispatchEx *string_constr;
 183 };
 184
 185 void script_release(script_ctx_t*);
 186
 187 static inline void script_addref(script_ctx_t *ctx)
 188 {
 189     ctx->ref++;
 190 }
 191
 192 HRESULT init_global(script_ctx_t*);
 193 HRESULT init_function_constr(script_ctx_t*);
 194
 195 HRESULT create_array_constr(script_ctx_t*,DispatchEx**);
 196 HRESULT create_bool_constr(script_ctx_t*,DispatchEx**);
 197 HRESULT create_date_constr(script_ctx_t*,DispatchEx**);
 198 HRESULT create_number_constr(script_ctx_t*,DispatchEx**);
 199 HRESULT create_object_constr(script_ctx_t*,DispatchEx**);
 200 HRESULT create_regexp_constr(script_ctx_t*,DispatchEx**);
 201 HRESULT create_string_constr(script_ctx_t*,DispatchEx**);
 202
 203 typedef struct {
 204     const WCHAR *str;
 205     DWORD len;
 206 } match_result_t;
 207
 208 HRESULT regexp_match_next(DispatchEx*,BOOL,const WCHAR*,DWORD,const WCHAR**,match_result_t**,
 209         DWORD*,DWORD*,match_result_t*);
 210 HRESULT regexp_match(DispatchEx*,const WCHAR*,DWORD,BOOL,match_result_t**,DWORD*);
 211
 212 static inline VARIANT *get_arg(DISPPARAMS *dp, DWORD i)
 213 {
 214     return dp->rgvarg + dp->cArgs-i-1;
 215 }
 216
 217 static inline DWORD arg_cnt(const DISPPARAMS *dp)
 218 {
 219     return dp->cArgs - dp->cNamedArgs;
 220 }
 221
 222 static inline BOOL is_class(DispatchEx *jsdisp, jsclass_t class)
 223 {
 224     return jsdisp->builtin_info->class == class;
 225 }
 226
 227 static inline BOOL is_num_vt(enum VARENUM vt)
 228 {
 229     return vt == VT_I4 || vt == VT_R8;
 230 }
 231
 232 static inline DOUBLE num_val(const VARIANT *v)
 233 {
 234     return V_VT(v) == VT_I4 ? V_I4(v) : V_R8(v);
 235 }
 236
 237 static inline void num_set_val(VARIANT *v, DOUBLE d)
 238 {
 239     if(d == (DOUBLE)(INT)d) {
 240         V_VT(v) = VT_I4;
 241         V_I4(v) = d;
 242     }else {
 243         V_VT(v) = VT_R8;
 244         V_R8(v) = d;
 245     }
 246 }
 247
 248 static inline void num_set_nan(VARIANT *v)
 249 {
 250     V_VT(v) = VT_R8;
 251 #ifdef NAN
 252     V_R8(v) = NAN;
 253 #else
 254     V_UI8(v) = (ULONGLONG)0x7ff80000<<32;
 255 #endif
 256 }
 257
 258 static inline void num_set_inf(VARIANT *v, BOOL positive)
 259 {
 260     V_VT(v) = VT_R8;
 261 #ifdef INFINITY
 262     V_R8(v) = positive ? INFINITY : -INFINITY;
 263 #else
 264     V_UI8(v) = (ULONGLONG)0x7ff00000<<32;
 265     if(!positive)
 266         V_R8(v) = -V_R8(v);
 267 #endif
 268 }
 269
 270 const char *debugstr_variant(const VARIANT*);
 271
 272 HRESULT WINAPI JScriptFactory_CreateInstance(IClassFactory*,IUnknown*,REFIID,void**);
 273
 274 extern LONG module_ref;
 275
 276 static inline void lock_module(void)
 277 {
 278     InterlockedIncrement(&module_ref);
 279 }
 280
 281 static inline void unlock_module(void)
 282 {
 283     InterlockedDecrement(&module_ref);
 284 }
 285
 286 static inline void *heap_alloc(size_t len)
 287 {
 288     return HeapAlloc(GetProcessHeap(), 0, len);
 289 }
 290
 291 static inline void *heap_alloc_zero(size_t len)
 292 {
 293     return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
 294 }
 295
 296 static inline void *heap_realloc(void *mem, size_t len)
 297 {
 298     return HeapReAlloc(GetProcessHeap(), 0, mem, len);
 299 }
 300
 301 static inline BOOL heap_free(void *mem)
 302 {
 303     return HeapFree(GetProcessHeap(), 0, mem);
 304 }
 305
 306 static inline LPWSTR heap_strdupW(LPCWSTR str)
 307 {
 308     LPWSTR ret = NULL;
 309
 310     if(str) {
 311         DWORD size;
 312
 313         size = (strlenW(str)+1)*sizeof(WCHAR);
 314         ret = heap_alloc(size);
 315         memcpy(ret, str, size);
 316     }
 317
 318     return ret;
 319 }
 320
 321 #define DEFINE_THIS(cls,ifc,iface) ((cls*)((BYTE*)(iface)-offsetof(cls,lp ## ifc ## Vtbl)))