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 DispatchEx DispatchEx;
  44
  45 #define PROPF_ARGMASK 0x00ff
  46 #define PROPF_METHOD  0x0100
  47 #define PROPF_ENUM    0x0200
  48 #define PROPF_CONSTR  0x0400
  49
  50 typedef enum {
  51     JSCLASS_NONE,
  52     JSCLASS_GLOBAL
  53 } jsclass_t;
  54
  55 typedef HRESULT (*builtin_invoke_t)(DispatchEx*,LCID,WORD,DISPPARAMS*,VARIANT*,jsexcept_t*,IServiceProvider*);
  56
  57 typedef struct {
  58     const WCHAR *name;
  59     builtin_invoke_t invoke;
  60     DWORD flags;
  61 } builtin_prop_t;
  62
  63 typedef struct {
  64     jsclass_t class;
  65     builtin_prop_t value_prop;
  66     DWORD props_cnt;
  67     const builtin_prop_t *props;
  68     void (*destructor)(DispatchEx*);
  69     void (*on_put)(DispatchEx*,const WCHAR*);
  70 } builtin_info_t;
  71
  72 struct DispatchEx {
  73     const IDispatchExVtbl  *lpIDispatchExVtbl;
  74
  75     LONG ref;
  76
  77     DWORD buf_size;
  78     DWORD prop_cnt;
  79     dispex_prop_t *props;
  80     script_ctx_t *ctx;
  81
  82     DispatchEx *prototype;
  83
  84     const builtin_info_t *builtin_info;
  85 };
  86
  87 #define _IDispatchEx_(x) ((IDispatchEx*) &(x)->lpIDispatchExVtbl)
  88
  89 HRESULT create_dispex(script_ctx_t*,const builtin_info_t*,DispatchEx*,DispatchEx**);
  90 HRESULT disp_call(IDispatch*,DISPID,LCID,WORD,DISPPARAMS*,VARIANT*,jsexcept_t*,IServiceProvider*);
  91 HRESULT disp_propget(IDispatch*,DISPID,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
  92 HRESULT disp_propput(IDispatch*,DISPID,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
  93 HRESULT jsdisp_propput_name(DispatchEx*,const WCHAR*,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
  94
  95 HRESULT to_boolean(VARIANT*,VARIANT_BOOL*);
  96
  97 typedef struct named_item_t {
  98     IDispatch *disp;
  99     DWORD flags;
 100
 101     struct named_item_t *next;
 102 } named_item_t;
 103
 104 struct _script_ctx_t {
 105     LONG ref;
 106
 107     SCRIPTSTATE state;
 108     exec_ctx_t *exec_ctx;
 109     named_item_t *named_items;
 110     LCID lcid;
 111
 112     DispatchEx *script_disp;
 113     DispatchEx *global;
 114 };
 115
 116 void script_release(script_ctx_t*);
 117
 118 static inline void script_addref(script_ctx_t *ctx)
 119 {
 120     ctx->ref++;
 121 }
 122
 123 HRESULT init_global(script_ctx_t*);
 124
 125 const char *debugstr_variant(const VARIANT*);
 126
 127 HRESULT WINAPI JScriptFactory_CreateInstance(IClassFactory*,IUnknown*,REFIID,void**);
 128
 129 typedef struct {
 130     void **blocks;
 131     DWORD block_cnt;
 132     DWORD last_block;
 133     DWORD offset;
 134     struct list custom_blocks;
 135 } jsheap_t;
 136
 137 void jsheap_init(jsheap_t*);
 138 void *jsheap_alloc(jsheap_t*,DWORD);
 139 void jsheap_clear(jsheap_t*);
 140 void jsheap_free(jsheap_t*);
 141
 142 extern LONG module_ref;
 143
 144 static inline void lock_module(void)
 145 {
 146     InterlockedIncrement(&module_ref);
 147 }
 148
 149 static inline void unlock_module(void)
 150 {
 151     InterlockedDecrement(&module_ref);
 152 }
 153
 154 static inline void *heap_alloc(size_t len)
 155 {
 156     return HeapAlloc(GetProcessHeap(), 0, len);
 157 }
 158
 159 static inline void *heap_alloc_zero(size_t len)
 160 {
 161     return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
 162 }
 163
 164 static inline void *heap_realloc(void *mem, size_t len)
 165 {
 166     return HeapReAlloc(GetProcessHeap(), 0, mem, len);
 167 }
 168
 169 static inline BOOL heap_free(void *mem)
 170 {
 171     return HeapFree(GetProcessHeap(), 0, mem);
 172 }
 173
 174 static inline LPWSTR heap_strdupW(LPCWSTR str)
 175 {
 176     LPWSTR ret = NULL;
 177
 178     if(str) {
 179         DWORD size;
 180
 181         size = (strlenW(str)+1)*sizeof(WCHAR);
 182         ret = heap_alloc(size);
 183         memcpy(ret, str, size);
 184     }
 185
 186     return ret;
 187 }
 188
 189 #define DEFINE_THIS(cls,ifc,iface) ((cls*)((BYTE*)(iface)-offsetof(cls,lp ## ifc ## Vtbl)))