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