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_ARRAY,
  53     JSCLASS_BOOLEAN,
  54     JSCLASS_FUNCTION,
  55     JSCLASS_GLOBAL,
  56     JSCLASS_MATH,
  57     JSCLASS_NUMBER,
  58     JSCLASS_OBJECT,
  59     JSCLASS_REGEXP,
  60     JSCLASS_STRING
  61 } jsclass_t;
  62
  63 typedef HRESULT (*builtin_invoke_t)(DispatchEx*,LCID,WORD,DISPPARAMS*,VARIANT*,jsexcept_t*,IServiceProvider*);
  64
  65 typedef struct {
  66     const WCHAR *name;
  67     builtin_invoke_t invoke;
  68     DWORD flags;
  69 } builtin_prop_t;
  70
  71 typedef struct {
  72     jsclass_t class;
  73     builtin_prop_t value_prop;
  74     DWORD props_cnt;
  75     const builtin_prop_t *props;
  76     void (*destructor)(DispatchEx*);
  77     void (*on_put)(DispatchEx*,const WCHAR*);
  78 } builtin_info_t;
  79
  80 struct DispatchEx {
  81     const IDispatchExVtbl  *lpIDispatchExVtbl;
  82
  83     LONG ref;
  84
  85     DWORD buf_size;
  86     DWORD prop_cnt;
  87     dispex_prop_t *props;
  88     script_ctx_t *ctx;
  89
  90     DispatchEx *prototype;
  91
  92     const builtin_info_t *builtin_info;
  93 };
  94
  95 #define _IDispatchEx_(x) ((IDispatchEx*) &(x)->lpIDispatchExVtbl)
  96
  97 static inline void jsdisp_release(DispatchEx *jsdisp)
  98 {
  99     IDispatchEx_Release(_IDispatchEx_(jsdisp));
 100 }
 101
 102 HRESULT create_dispex(script_ctx_t*,const builtin_info_t*,DispatchEx*,DispatchEx**);
 103 HRESULT init_dispex(DispatchEx*,script_ctx_t*,const builtin_info_t*,DispatchEx*);
 104 HRESULT init_dispex_from_constr(DispatchEx*,script_ctx_t*,const builtin_info_t*,DispatchEx*);
 105 DispatchEx *iface_to_jsdisp(IUnknown*);
 106
 107 HRESULT disp_call(IDispatch*,DISPID,LCID,WORD,DISPPARAMS*,VARIANT*,jsexcept_t*,IServiceProvider*);
 108 HRESULT jsdisp_call_value(DispatchEx*,LCID,WORD,DISPPARAMS*,VARIANT*,jsexcept_t*,IServiceProvider*);
 109 HRESULT disp_propget(IDispatch*,DISPID,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
 110 HRESULT disp_propput(IDispatch*,DISPID,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
 111 HRESULT jsdisp_propput_name(DispatchEx*,const WCHAR*,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
 112 HRESULT jsdisp_propput_idx(DispatchEx*,DWORD,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
 113
 114 HRESULT create_builtin_function(script_ctx_t*,builtin_invoke_t,DWORD,DispatchEx*,DispatchEx**);
 115
 116 HRESULT create_object(script_ctx_t*,DispatchEx*,DispatchEx**);
 117 HRESULT create_math(script_ctx_t*,DispatchEx**);
 118 HRESULT create_array(script_ctx_t*,DWORD,DispatchEx**);
 119
 120 HRESULT to_primitive(script_ctx_t*,VARIANT*,jsexcept_t*,VARIANT*);
 121 HRESULT to_boolean(VARIANT*,VARIANT_BOOL*);
 122 HRESULT to_number(script_ctx_t*,VARIANT*,jsexcept_t*,VARIANT*);
 123 HRESULT to_string(script_ctx_t*,VARIANT*,jsexcept_t*,BSTR*);
 124 HRESULT to_object(exec_ctx_t*,VARIANT*,IDispatch**);
 125
 126 typedef struct named_item_t {
 127     IDispatch *disp;
 128     DWORD flags;
 129
 130     struct named_item_t *next;
 131 } named_item_t;
 132
 133 struct _script_ctx_t {
 134     LONG ref;
 135
 136     SCRIPTSTATE state;
 137     exec_ctx_t *exec_ctx;
 138     named_item_t *named_items;
 139     LCID lcid;
 140
 141     DispatchEx *script_disp;
 142     DispatchEx *global;
 143     DispatchEx *array_constr;
 144     DispatchEx *bool_constr;
 145     DispatchEx *number_constr;
 146     DispatchEx *object_constr;
 147     DispatchEx *regexp_constr;
 148     DispatchEx *string_constr;
 149 };
 150
 151 void script_release(script_ctx_t*);
 152
 153 static inline void script_addref(script_ctx_t *ctx)
 154 {
 155     ctx->ref++;
 156 }
 157
 158 HRESULT init_global(script_ctx_t*);
 159
 160 HRESULT create_array_constr(script_ctx_t*,DispatchEx**);
 161 HRESULT create_bool_constr(script_ctx_t*,DispatchEx**);
 162 HRESULT create_number_constr(script_ctx_t*,DispatchEx**);
 163 HRESULT create_object_constr(script_ctx_t*,DispatchEx**);
 164 HRESULT create_regexp_constr(script_ctx_t*,DispatchEx**);
 165 HRESULT create_string_constr(script_ctx_t*,DispatchEx**);
 166
 167 static inline VARIANT *get_arg(DISPPARAMS *dp, DWORD i)
 168 {
 169     return dp->rgvarg + dp->cArgs-i-1;
 170 }
 171
 172 static inline DWORD arg_cnt(const DISPPARAMS *dp)
 173 {
 174     return dp->cArgs - dp->cNamedArgs;
 175 }
 176
 177 const char *debugstr_variant(const VARIANT*);
 178
 179 HRESULT WINAPI JScriptFactory_CreateInstance(IClassFactory*,IUnknown*,REFIID,void**);
 180
 181 typedef struct {
 182     void **blocks;
 183     DWORD block_cnt;
 184     DWORD last_block;
 185     DWORD offset;
 186     struct list custom_blocks;
 187 } jsheap_t;
 188
 189 void jsheap_init(jsheap_t*);
 190 void *jsheap_alloc(jsheap_t*,DWORD);
 191 void jsheap_clear(jsheap_t*);
 192 void jsheap_free(jsheap_t*);
 193
 194 extern LONG module_ref;
 195
 196 static inline void lock_module(void)
 197 {
 198     InterlockedIncrement(&module_ref);
 199 }
 200
 201 static inline void unlock_module(void)
 202 {
 203     InterlockedDecrement(&module_ref);
 204 }
 205
 206 static inline void *heap_alloc(size_t len)
 207 {
 208     return HeapAlloc(GetProcessHeap(), 0, len);
 209 }
 210
 211 static inline void *heap_alloc_zero(size_t len)
 212 {
 213     return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
 214 }
 215
 216 static inline void *heap_realloc(void *mem, size_t len)
 217 {
 218     return HeapReAlloc(GetProcessHeap(), 0, mem, len);
 219 }
 220
 221 static inline BOOL heap_free(void *mem)
 222 {
 223     return HeapFree(GetProcessHeap(), 0, mem);
 224 }
 225
 226 static inline LPWSTR heap_strdupW(LPCWSTR str)
 227 {
 228     LPWSTR ret = NULL;
 229
 230     if(str) {
 231         DWORD size;
 232
 233         size = (strlenW(str)+1)*sizeof(WCHAR);
 234         ret = heap_alloc(size);
 235         memcpy(ret, str, size);
 236     }
 237
 238     return ret;
 239 }
 240
 241 #define DEFINE_THIS(cls,ifc,iface) ((cls*)((BYTE*)(iface)-offsetof(cls,lp ## ifc ## Vtbl)))