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_ERROR,
72 JSCLASS_FUNCTION,
73 JSCLASS_GLOBAL,
74 JSCLASS_MATH,
75 JSCLASS_NUMBER,
76 JSCLASS_OBJECT,
77 JSCLASS_REGEXP,
78 JSCLASS_STRING
79 } jsclass_t;
80
81 typedef HRESULT (*builtin_invoke_t)(DispatchEx*,LCID,WORD,DISPPARAMS*,VARIANT*,jsexcept_t*,IServiceProvider*);
82
83 typedef struct {
84 const WCHAR *name;
85 builtin_invoke_t invoke;
86 DWORD flags;
87 } builtin_prop_t;
88
89 typedef struct {
90 jsclass_t class;
91 builtin_prop_t value_prop;
92 DWORD props_cnt;
93 const builtin_prop_t *props;
94 void (*destructor)(DispatchEx*);
95 void (*on_put)(DispatchEx*,const WCHAR*);
96 } builtin_info_t;
97
98 struct DispatchEx {
99 const IDispatchExVtbl *lpIDispatchExVtbl;
100
101 LONG ref;
102
103 DWORD buf_size;
104 DWORD prop_cnt;
105 dispex_prop_t *props;
106 script_ctx_t *ctx;
107
108 DispatchEx *prototype;
109
110 const builtin_info_t *builtin_info;
111 };
112
113 #define _IDispatchEx_(x) ((IDispatchEx*) &(x)->lpIDispatchExVtbl)
114
115 static inline void jsdisp_release(DispatchEx *jsdisp)
116 {
117 IDispatchEx_Release(_IDispatchEx_(jsdisp));
118 }
119
120 HRESULT create_dispex(script_ctx_t*,const builtin_info_t*,DispatchEx*,DispatchEx**);
121 HRESULT init_dispex(DispatchEx*,script_ctx_t*,const builtin_info_t*,DispatchEx*);
122 HRESULT init_dispex_from_constr(DispatchEx*,script_ctx_t*,const builtin_info_t*,DispatchEx*);
123 DispatchEx *iface_to_jsdisp(IUnknown*);
124
125 HRESULT disp_call(IDispatch*,DISPID,LCID,WORD,DISPPARAMS*,VARIANT*,jsexcept_t*,IServiceProvider*);
126 HRESULT jsdisp_call_value(DispatchEx*,LCID,WORD,DISPPARAMS*,VARIANT*,jsexcept_t*,IServiceProvider*);
127 HRESULT jsdisp_call(DispatchEx*,DISPID,LCID,WORD,DISPPARAMS*,VARIANT*,jsexcept_t*,IServiceProvider*);
128 HRESULT disp_propget(IDispatch*,DISPID,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
129 HRESULT disp_propput(IDispatch*,DISPID,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
130 HRESULT jsdisp_propget(DispatchEx*,DISPID,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
131 HRESULT jsdisp_propput_name(DispatchEx*,const WCHAR*,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
132 HRESULT jsdisp_propput_idx(DispatchEx*,DWORD,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
133 HRESULT jsdisp_propget_name(DispatchEx*,LPCWSTR,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
134 HRESULT jsdisp_propget_idx(DispatchEx*,DWORD,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
135 HRESULT jsdisp_get_id(DispatchEx*,const WCHAR*,DWORD,DISPID*);
136 HRESULT jsdisp_delete_idx(DispatchEx*,DWORD);
137
138 HRESULT create_builtin_function(script_ctx_t*,builtin_invoke_t,const builtin_info_t*,DWORD,
139 DispatchEx*,DispatchEx**);
140 HRESULT Function_value(DispatchEx*,LCID,WORD,DISPPARAMS*,VARIANT*,jsexcept_t*,IServiceProvider*);
141
142
143 HRESULT create_object(script_ctx_t*,DispatchEx*,DispatchEx**);
144 HRESULT create_math(script_ctx_t*,DispatchEx**);
145 HRESULT create_array(script_ctx_t*,DWORD,DispatchEx**);
146 HRESULT create_regexp_str(script_ctx_t*,const WCHAR*,DWORD,const WCHAR*,DWORD,DispatchEx**);
147 HRESULT create_string(script_ctx_t*,const WCHAR*,DWORD,DispatchEx**);
148 HRESULT create_bool(script_ctx_t*,VARIANT_BOOL,DispatchEx**);
149 HRESULT create_number(script_ctx_t*,VARIANT*,DispatchEx**);
150
151 typedef enum {
152 NO_HINT,
153 HINT_STRING,
154 HINT_NUMBER
155 } hint_t;
156
157 HRESULT to_primitive(script_ctx_t*,VARIANT*,jsexcept_t*,VARIANT*, hint_t);
158 HRESULT to_boolean(VARIANT*,VARIANT_BOOL*);
159 HRESULT to_number(script_ctx_t*,VARIANT*,jsexcept_t*,VARIANT*);
160 HRESULT to_integer(script_ctx_t*,VARIANT*,jsexcept_t*,VARIANT*);
161 HRESULT to_int32(script_ctx_t*,VARIANT*,jsexcept_t*,INT*);
162 HRESULT to_uint32(script_ctx_t*,VARIANT*,jsexcept_t*,DWORD*);
163 HRESULT to_string(script_ctx_t*,VARIANT*,jsexcept_t*,BSTR*);
164 HRESULT to_object(exec_ctx_t*,VARIANT*,IDispatch**);
165
166 typedef struct named_item_t {
167 IDispatch *disp;
168 DWORD flags;
169 LPWSTR name;
170
171 struct named_item_t *next;
172 } named_item_t;
173
174 struct _script_ctx_t {
175 LONG ref;
176
177 SCRIPTSTATE state;
178 exec_ctx_t *exec_ctx;
179 named_item_t *named_items;
180 IActiveScriptSite *site;
181 LCID lcid;
182
183 jsheap_t tmp_heap;
184
185 DispatchEx *script_disp;
186 DispatchEx *global;
187 DispatchEx *function_constr;
188 DispatchEx *array_constr;
189 DispatchEx *bool_constr;
190 DispatchEx *date_constr;
191 DispatchEx *number_constr;
192 DispatchEx *object_constr;
193 DispatchEx *regexp_constr;
194 DispatchEx *string_constr;
195 };
196
197 void script_release(script_ctx_t*);
198
199 static inline void script_addref(script_ctx_t *ctx)
200 {
201 ctx->ref++;
202 }
203
204 HRESULT init_global(script_ctx_t*);
205 HRESULT init_function_constr(script_ctx_t*,DispatchEx*);
206 HRESULT create_object_prototype(script_ctx_t*,DispatchEx**);
207
208 HRESULT create_array_constr(script_ctx_t*,DispatchEx**);
209 HRESULT create_bool_constr(script_ctx_t*,DispatchEx**);
210 HRESULT create_date_constr(script_ctx_t*,DispatchEx**);
211 HRESULT create_number_constr(script_ctx_t*,DispatchEx**);
212 HRESULT create_object_constr(script_ctx_t*,DispatchEx*,DispatchEx**);
213 HRESULT create_regexp_constr(script_ctx_t*,DispatchEx**);
214 HRESULT create_string_constr(script_ctx_t*,DispatchEx**);
215
216 typedef struct {
217 const WCHAR *str;
218 DWORD len;
219 } match_result_t;
220
221 HRESULT regexp_match_next(DispatchEx*,BOOL,const WCHAR*,DWORD,const WCHAR**,match_result_t**,
222 DWORD*,DWORD*,match_result_t*);
223 HRESULT regexp_match(DispatchEx*,const WCHAR*,DWORD,BOOL,match_result_t**,DWORD*);
224
225 static inline VARIANT *get_arg(DISPPARAMS *dp, DWORD i)
226 {
227 return dp->rgvarg + dp->cArgs-i-1;
228 }
229
230 static inline DWORD arg_cnt(const DISPPARAMS *dp)
231 {
232 return dp->cArgs - dp->cNamedArgs;
233 }
234
235 static inline BOOL is_class(DispatchEx *jsdisp, jsclass_t class)
236 {
237 return jsdisp->builtin_info->class == class;
238 }
239
240 static inline BOOL is_num_vt(enum VARENUM vt)
241 {
242 return vt == VT_I4 || vt == VT_R8;
243 }
244
245 static inline DOUBLE num_val(const VARIANT *v)
246 {
247 return V_VT(v) == VT_I4 ? V_I4(v) : V_R8(v);
248 }
249
250 static inline void num_set_val(VARIANT *v, DOUBLE d)
251 {
252 if(d == (DOUBLE)(INT)d) {
253 V_VT(v) = VT_I4;
254 V_I4(v) = d;
255 }else {
256 V_VT(v) = VT_R8;
257 V_R8(v) = d;
258 }
259 }
260
261 static inline void num_set_nan(VARIANT *v)
262 {
263 V_VT(v) = VT_R8;
264 #ifdef NAN
265 V_R8(v) = NAN;
266 #else
267 V_UI8(v) = (ULONGLONG)0x7ff80000<<32;
268 #endif
269 }
270
271 static inline DOUBLE ret_nan()
272 {
273 VARIANT v;
274 num_set_nan(&v);
275 return V_R8(&v);
276 }
277
278 static inline void num_set_inf(VARIANT *v, BOOL positive)
279 {
280 V_VT(v) = VT_R8;
281 #ifdef INFINITY
282 V_R8(v) = positive ? INFINITY : -INFINITY;
283 #else
284 V_UI8(v) = (ULONGLONG)0x7ff00000<<32;
285 if(!positive)
286 V_R8(v) = -V_R8(v);
287 #endif
288 }
289
290 const char *debugstr_variant(const VARIANT*);
291
292 HRESULT WINAPI JScriptFactory_CreateInstance(IClassFactory*,IUnknown*,REFIID,void**);
293
294 extern LONG module_ref;
295
296 static inline void lock_module(void)
297 {
298 InterlockedIncrement(&module_ref);
299 }
300
301 static inline void unlock_module(void)
302 {
303 InterlockedDecrement(&module_ref);
304 }
305
306 static inline void *heap_alloc(size_t len)
307 {
308 return HeapAlloc(GetProcessHeap(), 0, len);
309 }
310
311 static inline void *heap_alloc_zero(size_t len)
312 {
313 return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
314 }
315
316 static inline void *heap_realloc(void *mem, size_t len)
317 {
318 return HeapReAlloc(GetProcessHeap(), 0, mem, len);
319 }
320
321 static inline BOOL heap_free(void *mem)
322 {
323 return HeapFree(GetProcessHeap(), 0, mem);
324 }
325
326 static inline LPWSTR heap_strdupW(LPCWSTR str)
327 {
328 LPWSTR ret = NULL;
329
330 if(str) {
331 DWORD size;
332
333 size = (strlenW(str)+1)*sizeof(WCHAR);
334 ret = heap_alloc(size);
335 memcpy(ret, str, size);
336 }
337
338 return ret;
339 }
340
341 #define DEFINE_THIS(cls,ifc,iface) ((cls*)((BYTE*)(iface)-offsetof(cls,lp ## ifc ## Vtbl)))
342
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