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 #ifdef __REACTOS__
20 #include <wine/config.h>
21 #include <wine/port.h>
22 #endif
23
24 #include <math.h>
25 #include <limits.h>
26
27 #include "jscript.h"
28 #include "engine.h"
29
30 #include "wine/debug.h"
31
32 WINE_DEFAULT_DEBUG_CHANNEL(jscript);
33
34 static const WCHAR NaNW[] = {'N','a','N',0};
35 static const WCHAR InfinityW[] = {'I','n','f','i','n','i','t','y',0};
36 static const WCHAR ArrayW[] = {'A','r','r','a','y',0};
37 static const WCHAR BooleanW[] = {'B','o','o','l','e','a','n',0};
38 static const WCHAR DateW[] = {'D','a','t','e',0};
39 static const WCHAR ErrorW[] = {'E','r','r','o','r',0};
40 static const WCHAR EvalErrorW[] = {'E','v','a','l','E','r','r','o','r',0};
41 static const WCHAR RangeErrorW[] = {'R','a','n','g','e','E','r','r','o','r',0};
42 static const WCHAR ReferenceErrorW[] = {'R','e','f','e','r','e','n','c','e','E','r','r','o','r',0};
43 static const WCHAR SyntaxErrorW[] = {'S','y','n','t','a','x','E','r','r','o','r',0};
44 static const WCHAR TypeErrorW[] = {'T','y','p','e','E','r','r','o','r',0};
45 static const WCHAR URIErrorW[] = {'U','R','I','E','r','r','o','r',0};
46 static const WCHAR FunctionW[] = {'F','u','n','c','t','i','o','n',0};
47 static const WCHAR NumberW[] = {'N','u','m','b','e','r',0};
48 static const WCHAR ObjectW[] = {'O','b','j','e','c','t',0};
49 static const WCHAR StringW[] = {'S','t','r','i','n','g',0};
50 static const WCHAR RegExpW[] = {'R','e','g','E','x','p',0};
51 static const WCHAR RegExpErrorW[] = {'R','e','g','E','x','p','E','r','r','o','r',0};
52 static const WCHAR ActiveXObjectW[] = {'A','c','t','i','v','e','X','O','b','j','e','c','t',0};
53 static const WCHAR VBArrayW[] = {'V','B','A','r','r','a','y',0};
54 static const WCHAR EnumeratorW[] = {'E','n','u','m','e','r','a','t','o','r',0};
55 static const WCHAR escapeW[] = {'e','s','c','a','p','e',0};
56 static const WCHAR evalW[] = {'e','v','a','l',0};
57 static const WCHAR isNaNW[] = {'i','s','N','a','N',0};
58 static const WCHAR isFiniteW[] = {'i','s','F','i','n','i','t','e',0};
59 static const WCHAR parseIntW[] = {'p','a','r','s','e','I','n','t',0};
60 static const WCHAR parseFloatW[] = {'p','a','r','s','e','F','l','o','a','t',0};
61 static const WCHAR unescapeW[] = {'u','n','e','s','c','a','p','e',0};
62 static const WCHAR _GetObjectW[] = {'G','e','t','O','b','j','e','c','t',0};
63 static const WCHAR ScriptEngineW[] = {'S','c','r','i','p','t','E','n','g','i','n','e',0};
64 static const WCHAR ScriptEngineMajorVersionW[] =
65 {'S','c','r','i','p','t','E','n','g','i','n','e','M','a','j','o','r','V','e','r','s','i','o','n',0};
66 static const WCHAR ScriptEngineMinorVersionW[] =
67 {'S','c','r','i','p','t','E','n','g','i','n','e','M','i','n','o','r','V','e','r','s','i','o','n',0};
68 static const WCHAR ScriptEngineBuildVersionW[] =
69 {'S','c','r','i','p','t','E','n','g','i','n','e','B','u','i','l','d','V','e','r','s','i','o','n',0};
70 static const WCHAR CollectGarbageW[] = {'C','o','l','l','e','c','t','G','a','r','b','a','g','e',0};
71 static const WCHAR MathW[] = {'M','a','t','h',0};
72 static const WCHAR JSONW[] = {'J','S','O','N',0};
73 static const WCHAR encodeURIW[] = {'e','n','c','o','d','e','U','R','I',0};
74 static const WCHAR decodeURIW[] = {'d','e','c','o','d','e','U','R','I',0};
75 static const WCHAR encodeURIComponentW[] = {'e','n','c','o','d','e','U','R','I','C','o','m','p','o','n','e','n','t',0};
76 static const WCHAR decodeURIComponentW[] = {'d','e','c','o','d','e','U','R','I','C','o','m','p','o','n','e','n','t',0};
77
78 static const WCHAR undefinedW[] = {'u','n','d','e','f','i','n','e','d',0};
79
80 static int uri_char_table[] = {
81 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 00-0f */
82 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 10-1f */
83 0,2,0,0,1,0,1,2,2,2,2,1,1,2,2,1, /* 20-2f */
84 2,2,2,2,2,2,2,2,2,2,1,1,0,1,0,1, /* 30-3f */
85 1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* 40-4f */
86 2,2,2,2,2,2,2,2,2,2,2,0,0,0,0,2, /* 50-5f */
87 0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* 60-6f */
88 2,2,2,2,2,2,2,2,2,2,2,0,0,0,2,0, /* 70-7f */
89 };
90
91 /* 1 - reserved */
92 /* 2 - unescaped */
93
is_uri_reserved(WCHAR c)94 static inline BOOL is_uri_reserved(WCHAR c)
95 {
96 return c < 128 && uri_char_table[c] == 1;
97 }
98
is_uri_unescaped(WCHAR c)99 static inline BOOL is_uri_unescaped(WCHAR c)
100 {
101 return c < 128 && uri_char_table[c] == 2;
102 }
103
104 /* Check that the character is one of the 69 non-blank characters as defined by ECMA-262 B.2.1 */
is_ecma_nonblank(const WCHAR c)105 static inline BOOL is_ecma_nonblank(const WCHAR c)
106 {
107 return ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || (c >= '0' && c <= '9') ||
108 c == '@' || c == '*' || c == '_' || c == '+' || c == '-' || c == '.' || c == '/');
109 }
110
int_to_char(int i)111 static WCHAR int_to_char(int i)
112 {
113 if(i < 10)
114 return '0'+i;
115 return 'A'+i-10;
116 }
117
JSGlobal_escape(script_ctx_t * ctx,vdisp_t * jsthis,WORD flags,unsigned argc,jsval_t * argv,jsval_t * r)118 static HRESULT JSGlobal_escape(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
119 jsval_t *r)
120 {
121 jsstr_t *ret_str, *str;
122 const WCHAR *ptr, *buf;
123 DWORD len = 0;
124 WCHAR *ret;
125 HRESULT hres;
126
127 TRACE("\n");
128
129 if(!argc) {
130 if(r)
131 *r = jsval_string(jsstr_undefined());
132 return S_OK;
133 }
134
135 hres = to_flat_string(ctx, argv[0], &str, &buf);
136 if(FAILED(hres))
137 return hres;
138
139 for(ptr = buf; *ptr; ptr++) {
140 if(*ptr > 0xff)
141 len += 6;
142 else if(is_ecma_nonblank(*ptr))
143 len++;
144 else
145 len += 3;
146 }
147
148 ret_str = jsstr_alloc_buf(len, &ret);
149 if(!ret_str) {
150 jsstr_release(str);
151 return E_OUTOFMEMORY;
152 }
153
154 len = 0;
155 for(ptr = buf; *ptr; ptr++) {
156 if(*ptr > 0xff) {
157 ret[len++] = '%';
158 ret[len++] = 'u';
159 ret[len++] = int_to_char(*ptr >> 12);
160 ret[len++] = int_to_char((*ptr >> 8) & 0xf);
161 ret[len++] = int_to_char((*ptr >> 4) & 0xf);
162 ret[len++] = int_to_char(*ptr & 0xf);
163 }
164 else if(is_ecma_nonblank(*ptr))
165 ret[len++] = *ptr;
166 else {
167 ret[len++] = '%';
168 ret[len++] = int_to_char(*ptr >> 4);
169 ret[len++] = int_to_char(*ptr & 0xf);
170 }
171 }
172
173 jsstr_release(str);
174
175 if(r)
176 *r = jsval_string(ret_str);
177 else
178 jsstr_release(ret_str);
179 return S_OK;
180 }
181
182 /* ECMA-262 3rd Edition 15.1.2.1 */
JSGlobal_eval(script_ctx_t * ctx,vdisp_t * jsthis,WORD flags,unsigned argc,jsval_t * argv,jsval_t * r)183 HRESULT JSGlobal_eval(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
184 jsval_t *r)
185 {
186 call_frame_t *frame = ctx->call_ctx;
187 DWORD exec_flags = EXEC_EVAL;
188 bytecode_t *code;
189 const WCHAR *src;
190 HRESULT hres;
191
192 TRACE("\n");
193
194 if(!argc) {
195 if(r)
196 *r = jsval_undefined();
197 return S_OK;
198 }
199
200 if(!is_string(argv[0])) {
201 if(r)
202 return jsval_copy(argv[0], r);
203 return S_OK;
204 }
205
206 src = jsstr_flatten(get_string(argv[0]));
207 if(!src)
208 return E_OUTOFMEMORY;
209
210 TRACE("parsing %s\n", debugstr_jsval(argv[0]));
211 hres = compile_script(ctx, src, NULL, NULL, TRUE, FALSE, &code);
212 if(FAILED(hres)) {
213 WARN("parse (%s) failed: %08x\n", debugstr_jsval(argv[0]), hres);
214 return throw_syntax_error(ctx, hres, NULL);
215 }
216
217 if(!frame || (frame->flags & EXEC_GLOBAL))
218 exec_flags |= EXEC_GLOBAL;
219 if(flags & DISPATCH_JSCRIPT_CALLEREXECSSOURCE)
220 exec_flags |= EXEC_RETURN_TO_INTERP;
221 hres = exec_source(ctx, exec_flags, code, &code->global_code, frame ? frame->scope : NULL,
222 frame ? frame->this_obj : NULL, NULL, frame ? frame->variable_obj : ctx->global, 0, NULL, r);
223 release_bytecode(code);
224 return hres;
225 }
226
JSGlobal_isNaN(script_ctx_t * ctx,vdisp_t * jsthis,WORD flags,unsigned argc,jsval_t * argv,jsval_t * r)227 static HRESULT JSGlobal_isNaN(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
228 jsval_t *r)
229 {
230 BOOL ret = TRUE;
231 double n;
232 HRESULT hres;
233
234 TRACE("\n");
235
236 if(argc) {
237 hres = to_number(ctx, argv[0], &n);
238 if(FAILED(hres))
239 return hres;
240
241 if(!isnan(n))
242 ret = FALSE;
243 }
244
245 if(r)
246 *r = jsval_bool(ret);
247 return S_OK;
248 }
249
JSGlobal_isFinite(script_ctx_t * ctx,vdisp_t * jsthis,WORD flags,unsigned argc,jsval_t * argv,jsval_t * r)250 static HRESULT JSGlobal_isFinite(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
251 jsval_t *r)
252 {
253 BOOL ret = FALSE;
254 HRESULT hres;
255
256 TRACE("\n");
257
258 if(argc) {
259 double n;
260
261 hres = to_number(ctx, argv[0], &n);
262 if(FAILED(hres))
263 return hres;
264
265 ret = is_finite(n);
266 }
267
268 if(r)
269 *r = jsval_bool(ret);
270 return S_OK;
271 }
272
char_to_int(WCHAR c)273 static INT char_to_int(WCHAR c)
274 {
275 if('0' <= c && c <= '9')
276 return c - '0';
277 if('a' <= c && c <= 'z')
278 return c - 'a' + 10;
279 if('A' <= c && c <= 'Z')
280 return c - 'A' + 10;
281 return 100;
282 }
283
JSGlobal_parseInt(script_ctx_t * ctx,vdisp_t * jsthis,WORD flags,unsigned argc,jsval_t * argv,jsval_t * r)284 static HRESULT JSGlobal_parseInt(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
285 jsval_t *r)
286 {
287 BOOL neg = FALSE, empty = TRUE;
288 const WCHAR *ptr;
289 DOUBLE ret = 0.0;
290 INT radix=0, i;
291 jsstr_t *str;
292 HRESULT hres;
293
294 if(!argc) {
295 if(r)
296 *r = jsval_number(NAN);
297 return S_OK;
298 }
299
300 if(argc >= 2) {
301 hres = to_int32(ctx, argv[1], &radix);
302 if(FAILED(hres))
303 return hres;
304
305 if(radix && (radix < 2 || radix > 36)) {
306 WARN("radix %d out of range\n", radix);
307 if(r)
308 *r = jsval_number(NAN);
309 return S_OK;
310 }
311 }
312
313 hres = to_flat_string(ctx, argv[0], &str, &ptr);
314 if(FAILED(hres))
315 return hres;
316
317 while(iswspace(*ptr))
318 ptr++;
319
320 switch(*ptr) {
321 case '+':
322 ptr++;
323 break;
324 case '-':
325 neg = TRUE;
326 ptr++;
327 break;
328 }
329
330 if(!radix) {
331 if(*ptr == '0') {
332 if(ptr[1] == 'x' || ptr[1] == 'X') {
333 radix = 16;
334 ptr += 2;
335 }else {
336 radix = 8;
337 ptr++;
338 empty = FALSE;
339 }
340 }else {
341 radix = 10;
342 }
343 }else if(radix == 16 && *ptr == '0' && (ptr[1] == 'x' || ptr[1] == 'X')) {
344 ptr += 2;
345 }
346
347 i = char_to_int(*ptr++);
348 if(i < radix) {
349 do {
350 ret = ret*radix + i;
351 i = char_to_int(*ptr++);
352 }while(i < radix);
353 }else if(empty) {
354 ret = NAN;
355 }
356
357 jsstr_release(str);
358
359 if(neg)
360 ret = -ret;
361
362 if(r)
363 *r = jsval_number(ret);
364 return S_OK;
365 }
366
JSGlobal_parseFloat(script_ctx_t * ctx,vdisp_t * jsthis,WORD flags,unsigned argc,jsval_t * argv,jsval_t * r)367 static HRESULT JSGlobal_parseFloat(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
368 jsval_t *r)
369 {
370 LONGLONG d = 0, hlp;
371 jsstr_t *val_str;
372 int exp = 0;
373 const WCHAR *str;
374 BOOL ret_nan = TRUE, positive = TRUE;
375 HRESULT hres;
376
377 if(!argc) {
378 if(r)
379 *r = jsval_number(NAN);
380 return S_OK;
381 }
382
383 hres = to_flat_string(ctx, argv[0], &val_str, &str);
384 if(FAILED(hres))
385 return hres;
386
387 while(iswspace(*str)) str++;
388
389 if(*str == '+')
390 str++;
391 else if(*str == '-') {
392 positive = FALSE;
393 str++;
394 }
395
396 if(iswdigit(*str))
397 ret_nan = FALSE;
398
399 while(iswdigit(*str)) {
400 hlp = d*10 + *(str++) - '0';
401 if(d>MAXLONGLONG/10 || hlp<0) {
402 exp++;
403 break;
404 }
405 else
406 d = hlp;
407 }
408 while(iswdigit(*str)) {
409 exp++;
410 str++;
411 }
412
413 if(*str == '.') str++;
414
415 if(iswdigit(*str))
416 ret_nan = FALSE;
417
418 while(iswdigit(*str)) {
419 hlp = d*10 + *(str++) - '0';
420 if(d>MAXLONGLONG/10 || hlp<0)
421 break;
422
423 d = hlp;
424 exp--;
425 }
426 while(iswdigit(*str))
427 str++;
428
429 if(*str && !ret_nan && (*str=='e' || *str=='E')) {
430 int sign = 1, e = 0;
431
432 str++;
433 if(*str == '+')
434 str++;
435 else if(*str == '-') {
436 sign = -1;
437 str++;
438 }
439
440 while(iswdigit(*str)) {
441 if(e>INT_MAX/10 || (e = e*10 + *str++ - '0')<0)
442 e = INT_MAX;
443 }
444 e *= sign;
445
446 if(exp<0 && e<0 && exp+e>0) exp = INT_MIN;
447 else if(exp>0 && e>0 && exp+e<0) exp = INT_MAX;
448 else exp += e;
449 }
450
451 jsstr_release(val_str);
452
453 if(ret_nan) {
454 if(r)
455 *r = jsval_number(NAN);
456 return S_OK;
457 }
458
459 if(!positive)
460 d = -d;
461 if(r)
462 *r = jsval_number(exp>0 ? d*pow(10, exp) : d/pow(10, -exp));
463 return S_OK;
464 }
465
hex_to_int(const WCHAR wch)466 static inline int hex_to_int(const WCHAR wch) {
467 if(towupper(wch)>='A' && towupper(wch)<='F') return towupper(wch)-'A'+10;
468 if(iswdigit(wch)) return wch-'0';
469 return -1;
470 }
471
JSGlobal_unescape(script_ctx_t * ctx,vdisp_t * jsthis,WORD flags,unsigned argc,jsval_t * argv,jsval_t * r)472 static HRESULT JSGlobal_unescape(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
473 jsval_t *r)
474 {
475 jsstr_t *ret_str, *str;
476 const WCHAR *ptr, *buf;
477 DWORD len = 0;
478 WCHAR *ret;
479 HRESULT hres;
480
481 TRACE("\n");
482
483 if(!argc) {
484 if(r)
485 *r = jsval_string(jsstr_undefined());
486 return S_OK;
487 }
488
489 hres = to_flat_string(ctx, argv[0], &str, &buf);
490 if(FAILED(hres))
491 return hres;
492
493 for(ptr = buf; *ptr; ptr++) {
494 if(*ptr == '%') {
495 if(hex_to_int(*(ptr+1))!=-1 && hex_to_int(*(ptr+2))!=-1)
496 ptr += 2;
497 else if(*(ptr+1)=='u' && hex_to_int(*(ptr+2))!=-1 && hex_to_int(*(ptr+3))!=-1
498 && hex_to_int(*(ptr+4))!=-1 && hex_to_int(*(ptr+5))!=-1)
499 ptr += 5;
500 }
501
502 len++;
503 }
504
505 ret_str = jsstr_alloc_buf(len, &ret);
506 if(!ret_str) {
507 jsstr_release(str);
508 return E_OUTOFMEMORY;
509 }
510
511 len = 0;
512 for(ptr = buf; *ptr; ptr++) {
513 if(*ptr == '%') {
514 if(hex_to_int(*(ptr+1))!=-1 && hex_to_int(*(ptr+2))!=-1) {
515 ret[len] = (hex_to_int(*(ptr+1))<<4) + hex_to_int(*(ptr+2));
516 ptr += 2;
517 }
518 else if(*(ptr+1)=='u' && hex_to_int(*(ptr+2))!=-1 && hex_to_int(*(ptr+3))!=-1
519 && hex_to_int(*(ptr+4))!=-1 && hex_to_int(*(ptr+5))!=-1) {
520 ret[len] = (hex_to_int(*(ptr+2))<<12) + (hex_to_int(*(ptr+3))<<8)
521 + (hex_to_int(*(ptr+4))<<4) + hex_to_int(*(ptr+5));
522 ptr += 5;
523 }
524 else
525 ret[len] = *ptr;
526 }
527 else
528 ret[len] = *ptr;
529
530 len++;
531 }
532
533 jsstr_release(str);
534
535 if(r)
536 *r = jsval_string(ret_str);
537 else
538 jsstr_release(ret_str);
539 return S_OK;
540 }
541
JSGlobal_GetObject(script_ctx_t * ctx,vdisp_t * jsthis,WORD flags,unsigned argc,jsval_t * argv,jsval_t * r)542 static HRESULT JSGlobal_GetObject(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
543 jsval_t *r)
544 {
545 FIXME("\n");
546 return E_NOTIMPL;
547 }
548
JSGlobal_ScriptEngine(script_ctx_t * ctx,vdisp_t * jsthis,WORD flags,unsigned argc,jsval_t * argv,jsval_t * r)549 static HRESULT JSGlobal_ScriptEngine(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
550 jsval_t *r)
551 {
552 static const WCHAR JScriptW[] = {'J','S','c','r','i','p','t',0};
553
554 TRACE("\n");
555
556 if(r) {
557 jsstr_t *ret;
558
559 ret = jsstr_alloc(JScriptW);
560 if(!ret)
561 return E_OUTOFMEMORY;
562
563 *r = jsval_string(ret);
564 }
565
566 return S_OK;
567 }
568
JSGlobal_ScriptEngineMajorVersion(script_ctx_t * ctx,vdisp_t * jsthis,WORD flags,unsigned argc,jsval_t * argv,jsval_t * r)569 static HRESULT JSGlobal_ScriptEngineMajorVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
570 jsval_t *r)
571 {
572 TRACE("\n");
573
574 if(r)
575 *r = jsval_number(JSCRIPT_MAJOR_VERSION);
576 return S_OK;
577 }
578
JSGlobal_ScriptEngineMinorVersion(script_ctx_t * ctx,vdisp_t * jsthis,WORD flags,unsigned argc,jsval_t * argv,jsval_t * r)579 static HRESULT JSGlobal_ScriptEngineMinorVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
580 jsval_t *r)
581 {
582 TRACE("\n");
583
584 if(r)
585 *r = jsval_number(JSCRIPT_MINOR_VERSION);
586 return S_OK;
587 }
588
JSGlobal_ScriptEngineBuildVersion(script_ctx_t * ctx,vdisp_t * jsthis,WORD flags,unsigned argc,jsval_t * argv,jsval_t * r)589 static HRESULT JSGlobal_ScriptEngineBuildVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
590 jsval_t *r)
591 {
592 TRACE("\n");
593
594 if(r)
595 *r = jsval_number(JSCRIPT_BUILD_VERSION);
596 return S_OK;
597 }
598
JSGlobal_CollectGarbage(script_ctx_t * ctx,vdisp_t * jsthis,WORD flags,unsigned argc,jsval_t * argv,jsval_t * r)599 static HRESULT JSGlobal_CollectGarbage(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
600 jsval_t *r)
601 {
602 static int once = 0;
603 if (!once++)
604 FIXME(": stub\n");
605 return S_OK;
606 }
607
JSGlobal_encodeURI(script_ctx_t * ctx,vdisp_t * jsthis,WORD flags,unsigned argc,jsval_t * argv,jsval_t * r)608 static HRESULT JSGlobal_encodeURI(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
609 jsval_t *r)
610 {
611 const WCHAR *ptr, *uri;
612 jsstr_t *str, *ret;
613 DWORD len = 0, i;
614 char buf[4];
615 WCHAR *rptr;
616 HRESULT hres;
617
618 TRACE("\n");
619
620 if(!argc) {
621 if(r)
622 *r = jsval_string(jsstr_undefined());
623 return S_OK;
624 }
625
626 hres = to_flat_string(ctx, argv[0], &str, &uri);
627 if(FAILED(hres))
628 return hres;
629
630 for(ptr = uri; *ptr; ptr++) {
631 if(is_uri_unescaped(*ptr) || is_uri_reserved(*ptr) || *ptr == '#') {
632 len++;
633 }else {
634 i = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, NULL, 0, NULL, NULL)*3;
635 if(!i) {
636 jsstr_release(str);
637 return throw_uri_error(ctx, JS_E_INVALID_URI_CHAR, NULL);
638 }
639
640 len += i;
641 }
642 }
643
644 ret = jsstr_alloc_buf(len, &rptr);
645 if(!ret) {
646 jsstr_release(str);
647 return E_OUTOFMEMORY;
648 }
649
650 for(ptr = uri; *ptr; ptr++) {
651 if(is_uri_unescaped(*ptr) || is_uri_reserved(*ptr) || *ptr == '#') {
652 *rptr++ = *ptr;
653 }else {
654 len = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, buf, sizeof(buf), NULL, NULL);
655 for(i=0; i<len; i++) {
656 *rptr++ = '%';
657 *rptr++ = int_to_char((BYTE)buf[i] >> 4);
658 *rptr++ = int_to_char(buf[i] & 0x0f);
659 }
660 }
661 }
662
663 TRACE("%s -> %s\n", debugstr_jsstr(str), debugstr_jsstr(ret));
664 jsstr_release(str);
665
666 if(r)
667 *r = jsval_string(ret);
668 else
669 jsstr_release(ret);
670 return S_OK;
671 }
672
JSGlobal_decodeURI(script_ctx_t * ctx,vdisp_t * jsthis,WORD flags,unsigned argc,jsval_t * argv,jsval_t * r)673 static HRESULT JSGlobal_decodeURI(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
674 jsval_t *r)
675 {
676 const WCHAR *ptr, *uri;
677 jsstr_t *str, *ret_str;
678 unsigned len = 0;
679 int i, val, res;
680 WCHAR *ret;
681 char buf[4];
682 WCHAR out;
683 HRESULT hres;
684
685 TRACE("\n");
686
687 if(!argc) {
688 if(r)
689 *r = jsval_string(jsstr_undefined());
690 return S_OK;
691 }
692
693 hres = to_flat_string(ctx, argv[0], &str, &uri);
694 if(FAILED(hres))
695 return hres;
696
697 for(ptr = uri; *ptr; ptr++) {
698 if(*ptr != '%') {
699 len++;
700 }else {
701 res = 0;
702 for(i=0; i<4; i++) {
703 if(ptr[i*3]!='%' || hex_to_int(ptr[i*3+1])==-1 || (val=hex_to_int(ptr[i*3+2]))==-1)
704 break;
705 val += hex_to_int(ptr[i*3+1])<<4;
706 buf[i] = val;
707
708 res = MultiByteToWideChar(CP_UTF8, 0, buf, i+1, &out, 1);
709 if(res)
710 break;
711 }
712
713 if(!res) {
714 jsstr_release(str);
715 return throw_uri_error(ctx, JS_E_INVALID_URI_CODING, NULL);
716 }
717
718 ptr += i*3+2;
719 len++;
720 }
721 }
722
723 ret_str = jsstr_alloc_buf(len, &ret);
724 if(!ret_str) {
725 jsstr_release(str);
726 return E_OUTOFMEMORY;
727 }
728
729 for(ptr = uri; *ptr; ptr++) {
730 if(*ptr != '%') {
731 *ret++ = *ptr;
732 }else {
733 for(i=0; i<4; i++) {
734 if(ptr[i*3]!='%' || hex_to_int(ptr[i*3+1])==-1 || (val=hex_to_int(ptr[i*3+2]))==-1)
735 break;
736 val += hex_to_int(ptr[i*3+1])<<4;
737 buf[i] = val;
738
739 res = MultiByteToWideChar(CP_UTF8, 0, buf, i+1, ret, 1);
740 if(res)
741 break;
742 }
743
744 ptr += i*3+2;
745 ret++;
746 }
747 }
748
749 TRACE("%s -> %s\n", debugstr_jsstr(str), debugstr_jsstr(ret_str));
750 jsstr_release(str);
751
752 if(r)
753 *r = jsval_string(ret_str);
754 else
755 jsstr_release(ret_str);
756 return S_OK;
757 }
758
JSGlobal_encodeURIComponent(script_ctx_t * ctx,vdisp_t * jsthis,WORD flags,unsigned argc,jsval_t * argv,jsval_t * r)759 static HRESULT JSGlobal_encodeURIComponent(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
760 jsval_t *r)
761 {
762 jsstr_t *str, *ret_str;
763 char buf[4];
764 const WCHAR *ptr, *uri;
765 DWORD len = 0, size, i;
766 WCHAR *ret;
767 HRESULT hres;
768
769 TRACE("\n");
770
771 if(!argc) {
772 if(r)
773 *r = jsval_string(jsstr_undefined());
774 return S_OK;
775 }
776
777 hres = to_flat_string(ctx, argv[0], &str, &uri);
778 if(FAILED(hres))
779 return hres;
780
781 for(ptr = uri; *ptr; ptr++) {
782 if(is_uri_unescaped(*ptr))
783 len++;
784 else {
785 size = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, NULL, 0, NULL, NULL);
786 if(!size) {
787 jsstr_release(str);
788 return throw_uri_error(ctx, JS_E_INVALID_URI_CHAR, NULL);
789 }
790 len += size*3;
791 }
792 }
793
794 ret_str = jsstr_alloc_buf(len, &ret);
795 if(!ret_str) {
796 jsstr_release(str);
797 return E_OUTOFMEMORY;
798 }
799
800 for(ptr = uri; *ptr; ptr++) {
801 if(is_uri_unescaped(*ptr)) {
802 *ret++ = *ptr;
803 }else {
804 size = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, buf, sizeof(buf), NULL, NULL);
805 for(i=0; i<size; i++) {
806 *ret++ = '%';
807 *ret++ = int_to_char((BYTE)buf[i] >> 4);
808 *ret++ = int_to_char(buf[i] & 0x0f);
809 }
810 }
811 }
812
813 jsstr_release(str);
814
815 if(r)
816 *r = jsval_string(ret_str);
817 else
818 jsstr_release(ret_str);
819 return S_OK;
820 }
821
822 /* ECMA-262 3rd Edition 15.1.3.2 */
JSGlobal_decodeURIComponent(script_ctx_t * ctx,vdisp_t * jsthis,WORD flags,unsigned argc,jsval_t * argv,jsval_t * r)823 static HRESULT JSGlobal_decodeURIComponent(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
824 jsval_t *r)
825 {
826 const WCHAR *ptr, *uri;
827 jsstr_t *str, *ret;
828 WCHAR *out_ptr;
829 DWORD len = 0;
830 HRESULT hres;
831
832 TRACE("\n");
833
834 if(!argc) {
835 if(r)
836 *r = jsval_string(jsstr_undefined());
837 return S_OK;
838 }
839
840 hres = to_flat_string(ctx, argv[0], &str, &uri);
841 if(FAILED(hres))
842 return hres;
843
844 ptr = uri;
845 while(*ptr) {
846 if(*ptr == '%') {
847 char octets[4];
848 unsigned char mask = 0x80;
849 int i, size, num_bytes = 0;
850 if(hex_to_int(*(ptr+1)) < 0 || hex_to_int(*(ptr+2)) < 0) {
851 FIXME("Throw URIError: Invalid hex sequence\n");
852 jsstr_release(str);
853 return E_FAIL;
854 }
855 octets[0] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
856 ptr += 3;
857 while(octets[0] & mask) {
858 mask = mask >> 1;
859 ++num_bytes;
860 }
861 if(num_bytes == 1 || num_bytes > 4) {
862 FIXME("Throw URIError: Invalid initial UTF character\n");
863 jsstr_release(str);
864 return E_FAIL;
865 }
866 for(i = 1; i < num_bytes; ++i) {
867 if(*ptr != '%'){
868 FIXME("Throw URIError: Incomplete UTF sequence\n");
869 jsstr_release(str);
870 return E_FAIL;
871 }
872 if(hex_to_int(*(ptr+1)) < 0 || hex_to_int(*(ptr+2)) < 0) {
873 FIXME("Throw URIError: Invalid hex sequence\n");
874 jsstr_release(str);
875 return E_FAIL;
876 }
877 octets[i] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
878 ptr += 3;
879 }
880 size = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, octets,
881 num_bytes ? num_bytes : 1, NULL, 0);
882 if(size == 0) {
883 FIXME("Throw URIError: Invalid UTF sequence\n");
884 jsstr_release(str);
885 return E_FAIL;
886 }
887 len += size;
888 }else {
889 ++ptr;
890 ++len;
891 }
892 }
893
894 ret = jsstr_alloc_buf(len, &out_ptr);
895 if(!ret) {
896 jsstr_release(str);
897 return E_OUTOFMEMORY;
898 }
899
900 ptr = uri;
901 while(*ptr) {
902 if(*ptr == '%') {
903 char octets[4];
904 unsigned char mask = 0x80;
905 int i, size, num_bytes = 0;
906 octets[0] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
907 ptr += 3;
908 while(octets[0] & mask) {
909 mask = mask >> 1;
910 ++num_bytes;
911 }
912 for(i = 1; i < num_bytes; ++i) {
913 octets[i] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
914 ptr += 3;
915 }
916 size = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, octets,
917 num_bytes ? num_bytes : 1, out_ptr, len);
918 len -= size;
919 out_ptr += size;
920 }else {
921 *out_ptr++ = *ptr++;
922 --len;
923 }
924 }
925
926 jsstr_release(str);
927
928 if(r)
929 *r = jsval_string(ret);
930 else
931 jsstr_release(ret);
932 return S_OK;
933 }
934
935 static const builtin_prop_t JSGlobal_props[] = {
936 {CollectGarbageW, JSGlobal_CollectGarbage, PROPF_METHOD},
937 {_GetObjectW, JSGlobal_GetObject, PROPF_METHOD|2},
938 {ScriptEngineW, JSGlobal_ScriptEngine, PROPF_METHOD},
939 {ScriptEngineBuildVersionW, JSGlobal_ScriptEngineBuildVersion, PROPF_METHOD},
940 {ScriptEngineMajorVersionW, JSGlobal_ScriptEngineMajorVersion, PROPF_METHOD},
941 {ScriptEngineMinorVersionW, JSGlobal_ScriptEngineMinorVersion, PROPF_METHOD},
942 {decodeURIW, JSGlobal_decodeURI, PROPF_METHOD|1},
943 {decodeURIComponentW, JSGlobal_decodeURIComponent, PROPF_METHOD|1},
944 {encodeURIW, JSGlobal_encodeURI, PROPF_METHOD|1},
945 {encodeURIComponentW, JSGlobal_encodeURIComponent, PROPF_METHOD|1},
946 {escapeW, JSGlobal_escape, PROPF_METHOD|1},
947 {evalW, JSGlobal_eval, PROPF_METHOD|1},
948 {isFiniteW, JSGlobal_isFinite, PROPF_METHOD|1},
949 {isNaNW, JSGlobal_isNaN, PROPF_METHOD|1},
950 {parseFloatW, JSGlobal_parseFloat, PROPF_METHOD|1},
951 {parseIntW, JSGlobal_parseInt, PROPF_METHOD|2},
952 {unescapeW, JSGlobal_unescape, PROPF_METHOD|1}
953 };
954
955 static const builtin_info_t JSGlobal_info = {
956 JSCLASS_GLOBAL,
957 {NULL, NULL, 0},
958 ARRAY_SIZE(JSGlobal_props),
959 JSGlobal_props,
960 NULL,
961 NULL
962 };
963
init_constructors(script_ctx_t * ctx,jsdisp_t * object_prototype)964 static HRESULT init_constructors(script_ctx_t *ctx, jsdisp_t *object_prototype)
965 {
966 HRESULT hres;
967
968 hres = init_function_constr(ctx, object_prototype);
969 if(FAILED(hres))
970 return hres;
971
972 hres = jsdisp_define_data_property(ctx->global, FunctionW, PROPF_WRITABLE,
973 jsval_obj(ctx->function_constr));
974 if(FAILED(hres))
975 return hres;
976
977 hres = create_object_constr(ctx, object_prototype, &ctx->object_constr);
978 if(FAILED(hres))
979 return hres;
980
981 hres = jsdisp_define_data_property(ctx->global, ObjectW, PROPF_WRITABLE,
982 jsval_obj(ctx->object_constr));
983 if(FAILED(hres))
984 return hres;
985
986 hres = create_array_constr(ctx, object_prototype, &ctx->array_constr);
987 if(FAILED(hres))
988 return hres;
989
990 hres = jsdisp_define_data_property(ctx->global, ArrayW, PROPF_WRITABLE,
991 jsval_obj(ctx->array_constr));
992 if(FAILED(hres))
993 return hres;
994
995 hres = create_bool_constr(ctx, object_prototype, &ctx->bool_constr);
996 if(FAILED(hres))
997 return hres;
998
999 hres = jsdisp_define_data_property(ctx->global, BooleanW, PROPF_WRITABLE,
1000 jsval_obj(ctx->bool_constr));
1001 if(FAILED(hres))
1002 return hres;
1003
1004 hres = create_date_constr(ctx, object_prototype, &ctx->date_constr);
1005 if(FAILED(hres))
1006 return hres;
1007
1008 hres = jsdisp_define_data_property(ctx->global, DateW, PROPF_WRITABLE,
1009 jsval_obj(ctx->date_constr));
1010 if(FAILED(hres))
1011 return hres;
1012
1013 hres = create_enumerator_constr(ctx, object_prototype, &ctx->enumerator_constr);
1014 if(FAILED(hres))
1015 return hres;
1016
1017 hres = jsdisp_define_data_property(ctx->global, EnumeratorW, PROPF_WRITABLE,
1018 jsval_obj(ctx->enumerator_constr));
1019 if(FAILED(hres))
1020 return hres;
1021
1022 hres = init_error_constr(ctx, object_prototype);
1023 if(FAILED(hres))
1024 return hres;
1025
1026 hres = jsdisp_define_data_property(ctx->global, ErrorW, PROPF_WRITABLE,
1027 jsval_obj(ctx->error_constr));
1028 if(FAILED(hres))
1029 return hres;
1030
1031 hres = jsdisp_define_data_property(ctx->global, EvalErrorW, PROPF_WRITABLE,
1032 jsval_obj(ctx->eval_error_constr));
1033 if(FAILED(hres))
1034 return hres;
1035
1036 hres = jsdisp_define_data_property(ctx->global, RangeErrorW, PROPF_WRITABLE,
1037 jsval_obj(ctx->range_error_constr));
1038 if(FAILED(hres))
1039 return hres;
1040
1041 hres = jsdisp_define_data_property(ctx->global, ReferenceErrorW, PROPF_WRITABLE,
1042 jsval_obj(ctx->reference_error_constr));
1043 if(FAILED(hres))
1044 return hres;
1045
1046 hres = jsdisp_define_data_property(ctx->global, RegExpErrorW, PROPF_WRITABLE,
1047 jsval_obj(ctx->regexp_error_constr));
1048 if(FAILED(hres))
1049 return hres;
1050
1051 hres = jsdisp_define_data_property(ctx->global, SyntaxErrorW, PROPF_WRITABLE,
1052 jsval_obj(ctx->syntax_error_constr));
1053 if(FAILED(hres))
1054 return hres;
1055
1056 hres = jsdisp_define_data_property(ctx->global, TypeErrorW, PROPF_WRITABLE,
1057 jsval_obj(ctx->type_error_constr));
1058 if(FAILED(hres))
1059 return hres;
1060
1061 hres = jsdisp_define_data_property(ctx->global, URIErrorW, PROPF_WRITABLE,
1062 jsval_obj(ctx->uri_error_constr));
1063 if(FAILED(hres))
1064 return hres;
1065
1066 hres = create_number_constr(ctx, object_prototype, &ctx->number_constr);
1067 if(FAILED(hres))
1068 return hres;
1069
1070 hres = jsdisp_define_data_property(ctx->global, NumberW, PROPF_WRITABLE,
1071 jsval_obj(ctx->number_constr));
1072 if(FAILED(hres))
1073 return hres;
1074
1075 hres = create_regexp_constr(ctx, object_prototype, &ctx->regexp_constr);
1076 if(FAILED(hres))
1077 return hres;
1078
1079 hres = jsdisp_define_data_property(ctx->global, RegExpW, PROPF_WRITABLE,
1080 jsval_obj(ctx->regexp_constr));
1081 if(FAILED(hres))
1082 return hres;
1083
1084 hres = create_string_constr(ctx, object_prototype, &ctx->string_constr);
1085 if(FAILED(hres))
1086 return hres;
1087
1088 hres = jsdisp_define_data_property(ctx->global, StringW, PROPF_WRITABLE,
1089 jsval_obj(ctx->string_constr));
1090 if(FAILED(hres))
1091 return hres;
1092
1093 hres = create_vbarray_constr(ctx, object_prototype, &ctx->vbarray_constr);
1094 if(FAILED(hres))
1095 return hres;
1096
1097 hres = jsdisp_define_data_property(ctx->global, VBArrayW, PROPF_WRITABLE,
1098 jsval_obj(ctx->vbarray_constr));
1099 if(FAILED(hres))
1100 return hres;
1101
1102 return S_OK;
1103 }
1104
init_global(script_ctx_t * ctx)1105 HRESULT init_global(script_ctx_t *ctx)
1106 {
1107 unsigned const_flags = ctx->version >= SCRIPTLANGUAGEVERSION_ES5 ? 0 : PROPF_WRITABLE;
1108 jsdisp_t *math, *object_prototype, *constr;
1109 HRESULT hres;
1110
1111 if(ctx->global)
1112 return S_OK;
1113
1114 hres = create_dispex(ctx, &JSGlobal_info, NULL, &ctx->global);
1115 if(FAILED(hres))
1116 return hres;
1117
1118 hres = create_object_prototype(ctx, &object_prototype);
1119 if(FAILED(hres))
1120 return hres;
1121
1122 hres = init_constructors(ctx, object_prototype);
1123 jsdisp_release(object_prototype);
1124 if(FAILED(hres))
1125 return hres;
1126
1127 hres = create_math(ctx, &math);
1128 if(FAILED(hres))
1129 return hres;
1130
1131 hres = jsdisp_define_data_property(ctx->global, MathW, PROPF_WRITABLE, jsval_obj(math));
1132 jsdisp_release(math);
1133 if(FAILED(hres))
1134 return hres;
1135
1136 if(ctx->version >= 2) {
1137 jsdisp_t *json;
1138
1139 hres = create_json(ctx, &json);
1140 if(FAILED(hres))
1141 return hres;
1142
1143 hres = jsdisp_define_data_property(ctx->global, JSONW, PROPF_WRITABLE, jsval_obj(json));
1144 jsdisp_release(json);
1145 if(FAILED(hres))
1146 return hres;
1147 }
1148
1149 hres = create_activex_constr(ctx, &constr);
1150 if(FAILED(hres))
1151 return hres;
1152
1153 hres = jsdisp_define_data_property(ctx->global, ActiveXObjectW, PROPF_WRITABLE,
1154 jsval_obj(constr));
1155 jsdisp_release(constr);
1156 if(FAILED(hres))
1157 return hres;
1158
1159 hres = jsdisp_define_data_property(ctx->global, undefinedW, const_flags, jsval_undefined());
1160 if(FAILED(hres))
1161 return hres;
1162
1163 hres = jsdisp_define_data_property(ctx->global, NaNW, const_flags, jsval_number(NAN));
1164 if(FAILED(hres))
1165 return hres;
1166
1167 hres = jsdisp_define_data_property(ctx->global, InfinityW, const_flags, jsval_number(INFINITY));
1168 return hres;
1169 }
1170