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 "resource.h"
32
33 #include "wine/unicode.h"
34 #include "wine/list.h"
35
36 #define JSCRIPT_ERROR 0x800A0000
37
38 typedef struct _script_ctx_t script_ctx_t;
39 typedef struct _exec_ctx_t exec_ctx_t;
40 typedef struct _dispex_prop_t dispex_prop_t;
41
42 typedef struct {
43 EXCEPINFO ei;
44 VARIANT var;
45 } jsexcept_t;
46
47 typedef struct {
48 void **blocks;
49 DWORD block_cnt;
50 DWORD last_block;
51 DWORD offset;
52 BOOL mark;
53 struct list custom_blocks;
54 } jsheap_t;
55
56 void jsheap_init(jsheap_t*);
57 void *jsheap_alloc(jsheap_t*,DWORD);
58 void *jsheap_grow(jsheap_t*,void*,DWORD,DWORD);
59 void jsheap_clear(jsheap_t*);
60 void jsheap_free(jsheap_t*);
61 jsheap_t *jsheap_mark(jsheap_t*);
62
63 typedef struct DispatchEx DispatchEx;
64
65 extern HINSTANCE jscript_hinstance;
66
67 #define PROPF_ARGMASK 0x00ff
68 #define PROPF_METHOD 0x0100
69 #define PROPF_ENUM 0x0200
70 #define PROPF_CONSTR 0x0400
71
72 typedef enum {
73 JSCLASS_NONE,
74 JSCLASS_ARRAY,
75 JSCLASS_BOOLEAN,
76 JSCLASS_DATE,
77 JSCLASS_ERROR,
78 JSCLASS_FUNCTION,
79 JSCLASS_GLOBAL,
80 JSCLASS_MATH,
81 JSCLASS_NUMBER,
82 JSCLASS_OBJECT,
83 JSCLASS_REGEXP,
84 JSCLASS_STRING
85 } jsclass_t;
86
87 typedef HRESULT (*builtin_invoke_t)(DispatchEx*,LCID,WORD,DISPPARAMS*,VARIANT*,jsexcept_t*,IServiceProvider*);
88
89 typedef struct {
90 const WCHAR *name;
91 builtin_invoke_t invoke;
92 DWORD flags;
93 } builtin_prop_t;
94
95 typedef struct {
96 jsclass_t class;
97 builtin_prop_t value_prop;
98 DWORD props_cnt;
99 const builtin_prop_t *props;
100 void (*destructor)(DispatchEx*);
101 void (*on_put)(DispatchEx*,const WCHAR*);
102 } builtin_info_t;
103
104 struct DispatchEx {
105 const IDispatchExVtbl *lpIDispatchExVtbl;
106
107 LONG ref;
108
109 DWORD buf_size;
110 DWORD prop_cnt;
111 dispex_prop_t *props;
112 script_ctx_t *ctx;
113
114 DispatchEx *prototype;
115
116 const builtin_info_t *builtin_info;
117 };
118
119 #define _IDispatchEx_(x) ((IDispatchEx*) &(x)->lpIDispatchExVtbl)
120
121 static inline void jsdisp_release(DispatchEx *jsdisp)
122 {
123 IDispatchEx_Release(_IDispatchEx_(jsdisp));
124 }
125
126 HRESULT create_dispex(script_ctx_t*,const builtin_info_t*,DispatchEx*,DispatchEx**);
127 HRESULT init_dispex(DispatchEx*,script_ctx_t*,const builtin_info_t*,DispatchEx*);
128 HRESULT init_dispex_from_constr(DispatchEx*,script_ctx_t*,const builtin_info_t*,DispatchEx*);
129 DispatchEx *iface_to_jsdisp(IUnknown*);
130
131 HRESULT disp_call(IDispatch*,DISPID,LCID,WORD,DISPPARAMS*,VARIANT*,jsexcept_t*,IServiceProvider*);
132 HRESULT jsdisp_call_value(DispatchEx*,LCID,WORD,DISPPARAMS*,VARIANT*,jsexcept_t*,IServiceProvider*);
133 HRESULT jsdisp_call(DispatchEx*,DISPID,LCID,WORD,DISPPARAMS*,VARIANT*,jsexcept_t*,IServiceProvider*);
134 HRESULT jsdisp_call_name(DispatchEx*,const WCHAR*,LCID,WORD,DISPPARAMS*,VARIANT*,jsexcept_t*,IServiceProvider*);
135 HRESULT disp_propget(IDispatch*,DISPID,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
136 HRESULT disp_propput(IDispatch*,DISPID,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
137 HRESULT jsdisp_propget(DispatchEx*,DISPID,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
138 HRESULT jsdisp_propput_name(DispatchEx*,const WCHAR*,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
139 HRESULT jsdisp_propput_idx(DispatchEx*,DWORD,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
140 HRESULT jsdisp_propget_name(DispatchEx*,LPCWSTR,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
141 HRESULT jsdisp_propget_idx(DispatchEx*,DWORD,LCID,VARIANT*,jsexcept_t*,IServiceProvider*);
142 HRESULT jsdisp_get_id(DispatchEx*,const WCHAR*,DWORD,DISPID*);
143 HRESULT jsdisp_delete_idx(DispatchEx*,DWORD);
144
145 HRESULT create_builtin_function(script_ctx_t*,builtin_invoke_t,const builtin_info_t*,DWORD,
146 DispatchEx*,DispatchEx**);
147 HRESULT Function_value(DispatchEx*,LCID,WORD,DISPPARAMS*,VARIANT*,jsexcept_t*,IServiceProvider*);
148
149 HRESULT throw_eval_error(script_ctx_t*,jsexcept_t*,UINT,const WCHAR*);
150 HRESULT throw_range_error(script_ctx_t*,jsexcept_t*,UINT,const WCHAR*);
151 HRESULT throw_reference_error(script_ctx_t*,jsexcept_t*,UINT,const WCHAR*);
152 HRESULT throw_syntax_error(script_ctx_t*,jsexcept_t*,UINT,const WCHAR*);
153 HRESULT throw_type_error(script_ctx_t*,jsexcept_t*,UINT,const WCHAR*);
154 HRESULT throw_uri_error(script_ctx_t*,jsexcept_t*,UINT,const WCHAR*);
155
156
157 HRESULT create_object(script_ctx_t*,DispatchEx*,DispatchEx**);
158 HRESULT create_math(script_ctx_t*,DispatchEx**);
159 HRESULT create_array(script_ctx_t*,DWORD,DispatchEx**);
160 HRESULT create_regexp_str(script_ctx_t*,const WCHAR*,DWORD,const WCHAR*,DWORD,DispatchEx**);
161 HRESULT create_string(script_ctx_t*,const WCHAR*,DWORD,DispatchEx**);
162 HRESULT create_bool(script_ctx_t*,VARIANT_BOOL,DispatchEx**);
163 HRESULT create_number(script_ctx_t*,VARIANT*,DispatchEx**);
164
165 typedef enum {
166 NO_HINT,
167 HINT_STRING,
168 HINT_NUMBER
169 } hint_t;
170
171 HRESULT to_primitive(script_ctx_t*,VARIANT*,jsexcept_t*,VARIANT*, hint_t);
172 HRESULT to_boolean(VARIANT*,VARIANT_BOOL*);
173 HRESULT to_number(script_ctx_t*,VARIANT*,jsexcept_t*,VARIANT*);
174 HRESULT to_integer(script_ctx_t*,VARIANT*,jsexcept_t*,VARIANT*);
175 HRESULT to_int32(script_ctx_t*,VARIANT*,jsexcept_t*,INT*);
176 HRESULT to_uint32(script_ctx_t*,VARIANT*,jsexcept_t*,DWORD*);
177 HRESULT to_string(script_ctx_t*,VARIANT*,jsexcept_t*,BSTR*);
178 HRESULT to_object(exec_ctx_t*,VARIANT*,IDispatch**);
179
180 typedef struct named_item_t {
181 IDispatch *disp;
182 DWORD flags;
183 LPWSTR name;
184
185 struct named_item_t *next;
186 } named_item_t;
187
188 struct _script_ctx_t {
189 LONG ref;
190
191 SCRIPTSTATE state;
192 exec_ctx_t *exec_ctx;
193 named_item_t *named_items;
194 IActiveScriptSite *site;
195 LCID lcid;
196
197 jsheap_t tmp_heap;
198
199 DispatchEx *script_disp;
200 DispatchEx *global;
201 DispatchEx *function_constr;
202 DispatchEx *array_constr;
203 DispatchEx *bool_constr;
204 DispatchEx *date_constr;
205 DispatchEx *error_constr;
206 DispatchEx *eval_error_constr;
207 DispatchEx *range_error_constr;
208 DispatchEx *reference_error_constr;
209 DispatchEx *syntax_error_constr;
210 DispatchEx *type_error_constr;
211 DispatchEx *uri_error_constr;
212 DispatchEx *number_constr;
213 DispatchEx *object_constr;
214 DispatchEx *regexp_constr;
215 DispatchEx *string_constr;
216 };
217
218 void script_release(script_ctx_t*);
219
220 static inline void script_addref(script_ctx_t *ctx)
221 {
222 ctx->ref++;
223 }
224
225 HRESULT init_global(script_ctx_t*);
226 HRESULT init_function_constr(script_ctx_t*,DispatchEx*);
227 HRESULT create_object_prototype(script_ctx_t*,DispatchEx**);
228
229 HRESULT create_array_constr(script_ctx_t*,DispatchEx*,DispatchEx**);
230 HRESULT create_bool_constr(script_ctx_t*,DispatchEx*,DispatchEx**);
231 HRESULT create_date_constr(script_ctx_t*,DispatchEx*,DispatchEx**);
232 HRESULT init_error_constr(script_ctx_t*,DispatchEx*);
233 HRESULT create_number_constr(script_ctx_t*,DispatchEx*,DispatchEx**);
234 HRESULT create_object_constr(script_ctx_t*,DispatchEx*,DispatchEx**);
235 HRESULT create_regexp_constr(script_ctx_t*,DispatchEx*,DispatchEx**);
236 HRESULT create_string_constr(script_ctx_t*,DispatchEx*,DispatchEx**);
237
238 typedef struct {
239 const WCHAR *str;
240 DWORD len;
241 } match_result_t;
242
243 HRESULT regexp_match_next(DispatchEx*,BOOL,const WCHAR*,DWORD,const WCHAR**,match_result_t**,
244 DWORD*,DWORD*,match_result_t*);
245 HRESULT regexp_match(DispatchEx*,const WCHAR*,DWORD,BOOL,match_result_t**,DWORD*);
246
247 static inline VARIANT *get_arg(DISPPARAMS *dp, DWORD i)
248 {
249 return dp->rgvarg + dp->cArgs-i-1;
250 }
251
252 static inline DWORD arg_cnt(const DISPPARAMS *dp)
253 {
254 return dp->cArgs - dp->cNamedArgs;
255 }
256
257 static inline BOOL is_class(DispatchEx *jsdisp, jsclass_t class)
258 {
259 return jsdisp->builtin_info->class == class;
260 }
261
262 static inline BOOL is_num_vt(enum VARENUM vt)
263 {
264 return vt == VT_I4 || vt == VT_R8;
265 }
266
267 static inline DOUBLE num_val(const VARIANT *v)
268 {
269 return V_VT(v) == VT_I4 ? V_I4(v) : V_R8(v);
270 }
271
272 static inline void num_set_val(VARIANT *v, DOUBLE d)
273 {
274 if(d == (DOUBLE)(INT)d) {
275 V_VT(v) = VT_I4;
276 V_I4(v) = d;
277 }else {
278 V_VT(v) = VT_R8;
279 V_R8(v) = d;
280 }
281 }
282
283 static inline void num_set_nan(VARIANT *v)
284 {
285 V_VT(v) = VT_R8;
286 #ifdef NAN
287 V_R8(v) = NAN;
288 #else
289 V_UI8(v) = (ULONGLONG)0x7ff80000<<32;
290 #endif
291 }
292
293 static inline DOUBLE ret_nan()
294 {
295 VARIANT v;
296 num_set_nan(&v);
297 return V_R8(&v);
298 }
299
300 static inline void num_set_inf(VARIANT *v, BOOL positive)
301 {
302 V_VT(v) = VT_R8;
303 #ifdef INFINITY
304 V_R8(v) = positive ? INFINITY : -INFINITY;
305 #else
306 V_UI8(v) = (ULONGLONG)0x7ff00000<<32;
307 if(!positive)
308 V_R8(v) = -V_R8(v);
309 #endif
310 }
311
312 const char *debugstr_variant(const VARIANT*);
313
314 HRESULT WINAPI JScriptFactory_CreateInstance(IClassFactory*,IUnknown*,REFIID,void**);
315
316 extern LONG module_ref;
317
318 static inline void lock_module(void)
319 {
320 InterlockedIncrement(&module_ref);
321 }
322
323 static inline void unlock_module(void)
324 {
325 InterlockedDecrement(&module_ref);
326 }
327
328 static inline void *heap_alloc(size_t len)
329 {
330 return HeapAlloc(GetProcessHeap(), 0, len);
331 }
332
333 static inline void *heap_alloc_zero(size_t len)
334 {
335 return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
336 }
337
338 static inline void *heap_realloc(void *mem, size_t len)
339 {
340 return HeapReAlloc(GetProcessHeap(), 0, mem, len);
341 }
342
343 static inline BOOL heap_free(void *mem)
344 {
345 return HeapFree(GetProcessHeap(), 0, mem);
346 }
347
348 static inline LPWSTR heap_strdupW(LPCWSTR str)
349 {
350 LPWSTR ret = NULL;
351
352 if(str) {
353 DWORD size;
354
355 size = (strlenW(str)+1)*sizeof(WCHAR);
356 ret = heap_alloc(size);
357 memcpy(ret, str, size);
358 }
359
360 return ret;
361 }
362
363 #define DEFINE_THIS(cls,ifc,iface) ((cls*)((BYTE*)(iface)-offsetof(cls,lp ## ifc ## Vtbl)))
364
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