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jscript: Added new variable representation and use it for internal function return...
[wine.git] / dlls / jscript / global.c
blobf486a0194fa83d9a73556b156cee4eff75409b92
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 "config.h"
20 #include "wine/port.h"
21
22 #include <math.h>
23 #include <limits.h>
24
25 #include "jscript.h"
26 #include "engine.h"
27
28 #include "wine/debug.h"
29
30 WINE_DEFAULT_DEBUG_CHANNEL(jscript);
31
32 #define LONGLONG_MAX (((LONGLONG)0x7fffffff<<32)|0xffffffff)
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 encodeURIW[] = {'e','n','c','o','d','e','U','R','I',0};
73 static const WCHAR decodeURIW[] = {'d','e','c','o','d','e','U','R','I',0};
74 static const WCHAR encodeURIComponentW[] = {'e','n','c','o','d','e','U','R','I','C','o','m','p','o','n','e','n','t',0};
75 static const WCHAR decodeURIComponentW[] = {'d','e','c','o','d','e','U','R','I','C','o','m','p','o','n','e','n','t',0};
76
77 static const WCHAR undefinedW[] = {'u','n','d','e','f','i','n','e','d',0};
78
79 static int uri_char_table[] = {
80 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 00-0f */
81 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 10-1f */
82 0,2,0,0,1,0,1,2,2,2,2,1,1,2,2,1, /* 20-2f */
83 2,2,2,2,2,2,2,2,2,2,1,1,0,1,0,1, /* 30-3f */
84 1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* 40-4f */
85 2,2,2,2,2,2,2,2,2,2,2,0,0,0,0,2, /* 50-5f */
86 0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* 60-6f */
87 2,2,2,2,2,2,2,2,2,2,2,0,0,0,2,0, /* 70-7f */
88 };
89
90 /* 1 - reserved */
91 /* 2 - unescaped */
92
93 static inline BOOL is_uri_reserved(WCHAR c)
94 {
95 return c < 128 && uri_char_table[c] == 1;
96 }
97
98 static inline BOOL is_uri_unescaped(WCHAR c)
99 {
100 return c < 128 && uri_char_table[c] == 2;
101 }
102
103 /* Check that the character is one of the 69 non-blank characters as defined by ECMA-262 B.2.1 */
104 static inline BOOL is_ecma_nonblank(const WCHAR c)
105 {
106 return ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || (c >= '0' && c <= '9') ||
107 c == '@' || c == '*' || c == '_' || c == '+' || c == '-' || c == '.' || c == '/');
108 }
109
110 static WCHAR int_to_char(int i)
111 {
112 if(i < 10)
113 return '0'+i;
114 return 'A'+i-10;
115 }
116
117 static HRESULT constructor_call(jsdisp_t *constr, WORD flags, unsigned argc, VARIANT *argv,
118 jsval_t *r, jsexcept_t *ei)
119 {
120 if(flags != DISPATCH_PROPERTYGET)
121 return jsdisp_call_value(constr, NULL, flags, argc, argv, r, ei);
122
123 *r = jsval_obj(jsdisp_addref(constr));
124 return S_OK;
125 }
126
127 static HRESULT JSGlobal_Array(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
128 jsval_t *r, jsexcept_t *ei)
129 {
130 TRACE("\n");
131
132 return constructor_call(ctx->array_constr, flags, argc, argv, r, ei);
133 }
134
135 static HRESULT JSGlobal_Boolean(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
136 jsval_t *r, jsexcept_t *ei)
137 {
138 TRACE("\n");
139
140 return constructor_call(ctx->bool_constr, flags, argc, argv, r, ei);
141 }
142
143 static HRESULT JSGlobal_Date(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
144 jsval_t *r, jsexcept_t *ei)
145 {
146 TRACE("\n");
147
148 return constructor_call(ctx->date_constr, flags, argc, argv, r, ei);
149 }
150
151 static HRESULT JSGlobal_Error(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
152 jsval_t *r, jsexcept_t *ei)
153 {
154 TRACE("\n");
155
156 return constructor_call(ctx->error_constr, flags, argc, argv, r, ei);
157 }
158
159 static HRESULT JSGlobal_EvalError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
160 jsval_t *r, jsexcept_t *ei)
161 {
162 TRACE("\n");
163
164 return constructor_call(ctx->eval_error_constr, flags, argc, argv, r, ei);
165 }
166
167 static HRESULT JSGlobal_RangeError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
168 jsval_t *r, jsexcept_t *ei)
169 {
170 TRACE("\n");
171
172 return constructor_call(ctx->range_error_constr, flags, argc, argv, r, ei);
173 }
174
175 static HRESULT JSGlobal_RegExpError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
176 jsval_t *r, jsexcept_t *ei)
177 {
178 TRACE("\n");
179
180 return constructor_call(ctx->regexp_error_constr, flags, argc, argv, r, ei);
181 }
182
183 static HRESULT JSGlobal_ReferenceError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
184 jsval_t *r, jsexcept_t *ei)
185 {
186 TRACE("\n");
187
188 return constructor_call(ctx->reference_error_constr, flags, argc, argv, r, ei);
189 }
190
191 static HRESULT JSGlobal_SyntaxError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
192 jsval_t *r, jsexcept_t *ei)
193 {
194 TRACE("\n");
195
196 return constructor_call(ctx->syntax_error_constr, flags, argc, argv, r, ei);
197 }
198
199 static HRESULT JSGlobal_TypeError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
200 jsval_t *r, jsexcept_t *ei)
201 {
202 TRACE("\n");
203
204 return constructor_call(ctx->type_error_constr, flags, argc, argv, r, ei);
205 }
206
207 static HRESULT JSGlobal_URIError(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
208 jsval_t *r, jsexcept_t *ei)
209 {
210 TRACE("\n");
211
212 return constructor_call(ctx->uri_error_constr, flags, argc, argv, r, ei);
213 }
214
215 static HRESULT JSGlobal_Function(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
216 jsval_t *r, jsexcept_t *ei)
217 {
218 TRACE("\n");
219
220 return constructor_call(ctx->function_constr, flags, argc, argv, r, ei);
221 }
222
223 static HRESULT JSGlobal_Number(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
224 jsval_t *r, jsexcept_t *ei)
225 {
226 TRACE("\n");
227
228 return constructor_call(ctx->number_constr, flags, argc, argv, r, ei);
229 }
230
231 static HRESULT JSGlobal_Object(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
232 jsval_t *r, jsexcept_t *ei)
233 {
234 TRACE("\n");
235
236 return constructor_call(ctx->object_constr, flags, argc, argv, r, ei);
237 }
238
239 static HRESULT JSGlobal_String(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
240 jsval_t *r, jsexcept_t *ei)
241 {
242 TRACE("\n");
243
244 return constructor_call(ctx->string_constr, flags, argc, argv, r, ei);
245 }
246
247 static HRESULT JSGlobal_RegExp(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
248 jsval_t *r, jsexcept_t *ei)
249 {
250 TRACE("\n");
251
252 return constructor_call(ctx->regexp_constr, flags, argc, argv, r, ei);
253 }
254
255 static HRESULT JSGlobal_ActiveXObject(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
256 jsval_t *r, jsexcept_t *ei)
257 {
258 TRACE("\n");
259
260 return constructor_call(ctx->activex_constr, flags, argc, argv, r, ei);
261 }
262
263 static HRESULT JSGlobal_VBArray(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
264 jsval_t *r, jsexcept_t *ei)
265 {
266 TRACE("\n");
267
268 return constructor_call(ctx->vbarray_constr, flags, argc, argv, r, ei);
269 }
270
271 static HRESULT JSGlobal_Enumerator(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
272 jsval_t *r, jsexcept_t *ei)
273 {
274 FIXME("\n");
275 return E_NOTIMPL;
276 }
277
278 static HRESULT JSGlobal_escape(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
279 jsval_t *r, jsexcept_t *ei)
280 {
281 BSTR ret, str;
282 const WCHAR *ptr;
283 DWORD len = 0;
284 HRESULT hres;
285
286 TRACE("\n");
287
288 if(!argc) {
289 if(r) {
290 ret = SysAllocString(undefinedW);
291 if(!ret)
292 return E_OUTOFMEMORY;
293
294 *r = jsval_string(ret);
295 }
296
297 return S_OK;
298 }
299
300 hres = to_string(ctx, argv, ei, &str);
301 if(FAILED(hres))
302 return hres;
303
304 for(ptr=str; *ptr; ptr++) {
305 if(*ptr > 0xff)
306 len += 6;
307 else if(is_ecma_nonblank(*ptr))
308 len++;
309 else
310 len += 3;
311 }
312
313 ret = SysAllocStringLen(NULL, len);
314 if(!ret) {
315 SysFreeString(str);
316 return E_OUTOFMEMORY;
317 }
318
319 len = 0;
320 for(ptr=str; *ptr; ptr++) {
321 if(*ptr > 0xff) {
322 ret[len++] = '%';
323 ret[len++] = 'u';
324 ret[len++] = int_to_char(*ptr >> 12);
325 ret[len++] = int_to_char((*ptr >> 8) & 0xf);
326 ret[len++] = int_to_char((*ptr >> 4) & 0xf);
327 ret[len++] = int_to_char(*ptr & 0xf);
328 }
329 else if(is_ecma_nonblank(*ptr))
330 ret[len++] = *ptr;
331 else {
332 ret[len++] = '%';
333 ret[len++] = int_to_char(*ptr >> 4);
334 ret[len++] = int_to_char(*ptr & 0xf);
335 }
336 }
337
338 SysFreeString(str);
339
340 if(r)
341 *r = jsval_string(ret);
342 else
343 SysFreeString(ret);
344 return S_OK;
345 }
346
347 /* ECMA-262 3rd Edition 15.1.2.1 */
348 static HRESULT JSGlobal_eval(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
349 jsval_t *r, jsexcept_t *ei)
350 {
351 bytecode_t *code;
352 VARIANT retv;
353 HRESULT hres;
354
355 TRACE("\n");
356
357 if(!argc) {
358 if(r)
359 *r = jsval_undefined();
360 return S_OK;
361 }
362
363 if(V_VT(argv) != VT_BSTR) {
364 if(r)
365 return variant_to_jsval(argv, r);
366 return S_OK;
367 }
368
369 if(!ctx->exec_ctx) {
370 FIXME("No active exec_ctx\n");
371 return E_UNEXPECTED;
372 }
373
374 TRACE("parsing %s\n", debugstr_w(V_BSTR(argv)));
375 hres = compile_script(ctx, V_BSTR(argv), NULL, TRUE, FALSE, &code);
376 if(FAILED(hres)) {
377 WARN("parse (%s) failed: %08x\n", debugstr_w(V_BSTR(argv)), hres);
378 return throw_syntax_error(ctx, ei, hres, NULL);
379 }
380
381 hres = exec_source(ctx->exec_ctx, code, &code->global_code, TRUE, ei, r ? &retv : NULL);
382 release_bytecode(code);
383 if(FAILED(hres))
384 return hres;
385
386 if(r) {
387 hres = variant_to_jsval(&retv, r);
388 VariantClear(&retv);
389 }
390 return hres;
391 }
392
393 static HRESULT JSGlobal_isNaN(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
394 jsval_t *r, jsexcept_t *ei)
395 {
396 BOOL ret = TRUE;
397 double n;
398 HRESULT hres;
399
400 TRACE("\n");
401
402 if(argc) {
403 hres = to_number(ctx, argv, ei, &n);
404 if(FAILED(hres))
405 return hres;
406
407 if(!isnan(n))
408 ret = FALSE;
409 }
410
411 if(r)
412 *r = jsval_bool(ret);
413 return S_OK;
414 }
415
416 static HRESULT JSGlobal_isFinite(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
417 jsval_t *r, jsexcept_t *ei)
418 {
419 BOOL ret = FALSE;
420 HRESULT hres;
421
422 TRACE("\n");
423
424 if(argc) {
425 double n;
426
427 hres = to_number(ctx, argv, ei, &n);
428 if(FAILED(hres))
429 return hres;
430
431 if(!isinf(n) && !isnan(n))
432 ret = TRUE;
433 }
434
435 if(r)
436 *r = jsval_bool(ret);
437 return S_OK;
438 }
439
440 static INT char_to_int(WCHAR c)
441 {
442 if('0' <= c && c <= '9')
443 return c - '0';
444 if('a' <= c && c <= 'z')
445 return c - 'a' + 10;
446 if('A' <= c && c <= 'Z')
447 return c - 'A' + 10;
448 return 100;
449 }
450
451 static HRESULT JSGlobal_parseInt(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
452 jsval_t *r, jsexcept_t *ei)
453 {
454 BOOL neg = FALSE, empty = TRUE;
455 DOUBLE ret = 0.0;
456 INT radix=0, i;
457 WCHAR *ptr;
458 BSTR str;
459 HRESULT hres;
460
461 if(!argc) {
462 if(r)
463 *r = jsval_number(NAN);
464 return S_OK;
465 }
466
467 if(argc >= 2) {
468 hres = to_int32(ctx, argv+1, ei, &radix);
469 if(FAILED(hres))
470 return hres;
471
472 if(radix && (radix < 2 || radix > 36)) {
473 WARN("radix %d out of range\n", radix);
474 if(r)
475 *r = jsval_number(NAN);
476 return S_OK;
477 }
478 }
479
480 hres = to_string(ctx, argv, ei, &str);
481 if(FAILED(hres))
482 return hres;
483
484 for(ptr = str; isspaceW(*ptr); ptr++);
485
486 switch(*ptr) {
487 case '+':
488 ptr++;
489 break;
490 case '-':
491 neg = TRUE;
492 ptr++;
493 break;
494 }
495
496 if(!radix) {
497 if(*ptr == '0') {
498 if(ptr[1] == 'x' || ptr[1] == 'X') {
499 radix = 16;
500 ptr += 2;
501 }else {
502 radix = 8;
503 ptr++;
504 empty = FALSE;
505 }
506 }else {
507 radix = 10;
508 }
509 }
510
511 i = char_to_int(*ptr++);
512 if(i < radix) {
513 do {
514 ret = ret*radix + i;
515 i = char_to_int(*ptr++);
516 }while(i < radix);
517 }else if(empty) {
518 ret = NAN;
519 }
520
521 SysFreeString(str);
522
523 if(neg)
524 ret = -ret;
525
526 if(r)
527 *r = jsval_number(ret);
528 return S_OK;
529 }
530
531 static HRESULT JSGlobal_parseFloat(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
532 jsval_t *r, jsexcept_t *ei)
533 {
534 LONGLONG d = 0, hlp;
535 int exp = 0;
536 WCHAR *str;
537 BSTR val_str = NULL;
538 BOOL ret_nan = TRUE, positive = TRUE;
539 HRESULT hres;
540
541 if(!argc) {
542 if(r)
543 *r = jsval_number(NAN);
544 return S_OK;
545 }
546
547 hres = to_string(ctx, argv, ei, &val_str);
548 if(FAILED(hres))
549 return hres;
550
551 str = val_str;
552
553 while(isspaceW(*str)) str++;
554
555 if(*str == '+')
556 str++;
557 else if(*str == '-') {
558 positive = FALSE;
559 str++;
560 }
561
562 if(isdigitW(*str))
563 ret_nan = FALSE;
564
565 while(isdigitW(*str)) {
566 hlp = d*10 + *(str++) - '0';
567 if(d>LONGLONG_MAX/10 || hlp<0) {
568 exp++;
569 break;
570 }
571 else
572 d = hlp;
573 }
574 while(isdigitW(*str)) {
575 exp++;
576 str++;
577 }
578
579 if(*str == '.') str++;
580
581 if(isdigitW(*str))
582 ret_nan = FALSE;
583
584 while(isdigitW(*str)) {
585 hlp = d*10 + *(str++) - '0';
586 if(d>LONGLONG_MAX/10 || hlp<0)
587 break;
588
589 d = hlp;
590 exp--;
591 }
592 while(isdigitW(*str))
593 str++;
594
595 if(*str && !ret_nan && (*str=='e' || *str=='E')) {
596 int sign = 1, e = 0;
597
598 str++;
599 if(*str == '+')
600 str++;
601 else if(*str == '-') {
602 sign = -1;
603 str++;
604 }
605
606 while(isdigitW(*str)) {
607 if(e>INT_MAX/10 || (e = e*10 + *str++ - '0')<0)
608 e = INT_MAX;
609 }
610 e *= sign;
611
612 if(exp<0 && e<0 && exp+e>0) exp = INT_MIN;
613 else if(exp>0 && e>0 && exp+e<0) exp = INT_MAX;
614 else exp += e;
615 }
616
617 SysFreeString(val_str);
618
619 if(ret_nan) {
620 if(r)
621 *r = jsval_number(NAN);
622 return S_OK;
623 }
624
625 if(!positive)
626 d = -d;
627 if(r)
628 *r = jsval_number(exp>0 ? d*pow(10, exp) : d/pow(10, -exp));
629 return S_OK;
630 }
631
632 static inline int hex_to_int(const WCHAR wch) {
633 if(toupperW(wch)>='A' && toupperW(wch)<='F') return toupperW(wch)-'A'+10;
634 if(isdigitW(wch)) return wch-'0';
635 return -1;
636 }
637
638 static HRESULT JSGlobal_unescape(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
639 jsval_t *r, jsexcept_t *ei)
640 {
641 BSTR ret, str;
642 const WCHAR *ptr;
643 DWORD len = 0;
644 HRESULT hres;
645
646 TRACE("\n");
647
648 if(!argc) {
649 if(r) {
650 ret = SysAllocString(undefinedW);
651 if(!ret)
652 return E_OUTOFMEMORY;
653 *r = jsval_string(ret);
654 }
655
656 return S_OK;
657 }
658
659 hres = to_string(ctx, argv, ei, &str);
660 if(FAILED(hres))
661 return hres;
662
663 for(ptr=str; *ptr; ptr++) {
664 if(*ptr == '%') {
665 if(hex_to_int(*(ptr+1))!=-1 && hex_to_int(*(ptr+2))!=-1)
666 ptr += 2;
667 else if(*(ptr+1)=='u' && hex_to_int(*(ptr+2))!=-1 && hex_to_int(*(ptr+3))!=-1
668 && hex_to_int(*(ptr+4))!=-1 && hex_to_int(*(ptr+5))!=-1)
669 ptr += 5;
670 }
671
672 len++;
673 }
674
675 ret = SysAllocStringLen(NULL, len);
676 if(!ret) {
677 SysFreeString(str);
678 return E_OUTOFMEMORY;
679 }
680
681 len = 0;
682 for(ptr=str; *ptr; ptr++) {
683 if(*ptr == '%') {
684 if(hex_to_int(*(ptr+1))!=-1 && hex_to_int(*(ptr+2))!=-1) {
685 ret[len] = (hex_to_int(*(ptr+1))<<4) + hex_to_int(*(ptr+2));
686 ptr += 2;
687 }
688 else if(*(ptr+1)=='u' && hex_to_int(*(ptr+2))!=-1 && hex_to_int(*(ptr+3))!=-1
689 && hex_to_int(*(ptr+4))!=-1 && hex_to_int(*(ptr+5))!=-1) {
690 ret[len] = (hex_to_int(*(ptr+2))<<12) + (hex_to_int(*(ptr+3))<<8)
691 + (hex_to_int(*(ptr+4))<<4) + hex_to_int(*(ptr+5));
692 ptr += 5;
693 }
694 else
695 ret[len] = *ptr;
696 }
697 else
698 ret[len] = *ptr;
699
700 len++;
701 }
702
703 SysFreeString(str);
704
705 if(r)
706 *r = jsval_string(ret);
707 else
708 SysFreeString(ret);
709 return S_OK;
710 }
711
712 static HRESULT JSGlobal_GetObject(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
713 jsval_t *r, jsexcept_t *ei)
714 {
715 FIXME("\n");
716 return E_NOTIMPL;
717 }
718
719 static HRESULT JSGlobal_ScriptEngine(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
720 jsval_t *r, jsexcept_t *ei)
721 {
722 static const WCHAR JScriptW[] = {'J','S','c','r','i','p','t',0};
723
724 TRACE("\n");
725
726 if(r) {
727 BSTR ret;
728
729 ret = SysAllocString(JScriptW);
730 if(!ret)
731 return E_OUTOFMEMORY;
732
733 *r = jsval_string(ret);
734 }
735
736 return S_OK;
737 }
738
739 static HRESULT JSGlobal_ScriptEngineMajorVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
740 jsval_t *r, jsexcept_t *ei)
741 {
742 TRACE("\n");
743
744 if(r)
745 *r = jsval_number(JSCRIPT_MAJOR_VERSION);
746 return S_OK;
747 }
748
749 static HRESULT JSGlobal_ScriptEngineMinorVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
750 jsval_t *r, jsexcept_t *ei)
751 {
752 TRACE("\n");
753
754 if(r)
755 *r = jsval_number(JSCRIPT_MINOR_VERSION);
756 return S_OK;
757 }
758
759 static HRESULT JSGlobal_ScriptEngineBuildVersion(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
760 jsval_t *r, jsexcept_t *ei)
761 {
762 TRACE("\n");
763
764 if(r)
765 *r = jsval_number(JSCRIPT_BUILD_VERSION);
766 return S_OK;
767 }
768
769 static HRESULT JSGlobal_CollectGarbage(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
770 jsval_t *r, jsexcept_t *ei)
771 {
772 FIXME("\n");
773 return E_NOTIMPL;
774 }
775
776 static HRESULT JSGlobal_encodeURI(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
777 jsval_t *r, jsexcept_t *ei)
778 {
779 const WCHAR *ptr;
780 DWORD len = 0, i;
781 char buf[4];
782 BSTR str, ret;
783 WCHAR *rptr;
784 HRESULT hres;
785
786 TRACE("\n");
787
788 if(!argc) {
789 if(r) {
790 ret = SysAllocString(undefinedW);
791 if(!ret)
792 return E_OUTOFMEMORY;
793
794 *r = jsval_string(ret);
795 }
796
797 return S_OK;
798 }
799
800 hres = to_string(ctx, argv, ei, &str);
801 if(FAILED(hres))
802 return hres;
803
804 for(ptr = str; *ptr; ptr++) {
805 if(is_uri_unescaped(*ptr) || is_uri_reserved(*ptr) || *ptr == '#') {
806 len++;
807 }else {
808 i = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, NULL, 0, NULL, NULL)*3;
809 if(!i) {
810 SysFreeString(str);
811 return throw_uri_error(ctx, ei, JS_E_INVALID_URI_CHAR, NULL);
812 }
813
814 len += i;
815 }
816 }
817
818 rptr = ret = SysAllocStringLen(NULL, len);
819 if(!ret) {
820 SysFreeString(str);
821 return E_OUTOFMEMORY;
822 }
823
824 for(ptr = str; *ptr; ptr++) {
825 if(is_uri_unescaped(*ptr) || is_uri_reserved(*ptr) || *ptr == '#') {
826 *rptr++ = *ptr;
827 }else {
828 len = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, buf, sizeof(buf), NULL, NULL);
829 for(i=0; i<len; i++) {
830 *rptr++ = '%';
831 *rptr++ = int_to_char((BYTE)buf[i] >> 4);
832 *rptr++ = int_to_char(buf[i] & 0x0f);
833 }
834 }
835 }
836
837 TRACE("%s -> %s\n", debugstr_w(str), debugstr_w(ret));
838 SysFreeString(str);
839
840 if(r)
841 *r = jsval_string(ret);
842 else
843 SysFreeString(ret);
844 return S_OK;
845 }
846
847 static HRESULT JSGlobal_decodeURI(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
848 jsval_t *r, jsexcept_t *ei)
849 {
850 BSTR str, ret;
851 WCHAR *ptr;
852 int i, len = 0, val, res;
853 char buf[4];
854 WCHAR out;
855 HRESULT hres;
856
857 TRACE("\n");
858
859 if(!argc) {
860 if(r) {
861 ret = SysAllocString(undefinedW);
862 if(!ret)
863 return E_OUTOFMEMORY;
864
865 *r = jsval_string(ret);
866 }
867
868 return S_OK;
869 }
870
871 hres = to_string(ctx, argv, ei, &str);
872 if(FAILED(hres))
873 return hres;
874
875 for(ptr=str; *ptr; ptr++) {
876 if(*ptr != '%') {
877 len++;
878 }else {
879 res = 0;
880 for(i=0; i<4; i++) {
881 if(ptr[i*3]!='%' || hex_to_int(ptr[i*3+1])==-1 || (val=hex_to_int(ptr[i*3+2]))==-1)
882 break;
883 val += hex_to_int(ptr[i*3+1])<<4;
884 buf[i] = val;
885
886 res = MultiByteToWideChar(CP_UTF8, 0, buf, i+1, &out, 1);
887 if(res)
888 break;
889 }
890
891 if(!res) {
892 SysFreeString(str);
893 return throw_uri_error(ctx, ei, JS_E_INVALID_URI_CODING, NULL);
894 }
895
896 ptr += i*3+2;
897 len++;
898 }
899 }
900
901 ret = SysAllocStringLen(NULL, len);
902 if(!ret) {
903 SysFreeString(str);
904 return E_OUTOFMEMORY;
905 }
906
907 len = 0;
908 for(ptr=str; *ptr; ptr++) {
909 if(*ptr != '%') {
910 ret[len] = *ptr;
911 len++;
912 }else {
913 for(i=0; i<4; i++) {
914 if(ptr[i*3]!='%' || hex_to_int(ptr[i*3+1])==-1 || (val=hex_to_int(ptr[i*3+2]))==-1)
915 break;
916 val += hex_to_int(ptr[i*3+1])<<4;
917 buf[i] = val;
918
919 res = MultiByteToWideChar(CP_UTF8, 0, buf, i+1, ret+len, 1);
920 if(res)
921 break;
922 }
923
924 ptr += i*3+2;
925 len++;
926 }
927 }
928
929 TRACE("%s -> %s\n", debugstr_w(str), debugstr_w(ret));
930 SysFreeString(str);
931
932 if(r)
933 *r = jsval_string(ret);
934 else
935 SysFreeString(ret);
936 return S_OK;
937 }
938
939 static HRESULT JSGlobal_encodeURIComponent(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
940 jsval_t *r, jsexcept_t *ei)
941 {
942 BSTR str, ret;
943 char buf[4];
944 const WCHAR *ptr;
945 DWORD len = 0, size, i;
946 HRESULT hres;
947
948 TRACE("\n");
949
950 if(!argc) {
951 if(r) {
952 ret = SysAllocString(undefinedW);
953 if(!ret)
954 return E_OUTOFMEMORY;
955
956 *r = jsval_string(ret);
957 }
958
959 return S_OK;
960 }
961
962 hres = to_string(ctx, argv, ei, &str);
963 if(FAILED(hres))
964 return hres;
965
966 for(ptr=str; *ptr; ptr++) {
967 if(is_uri_unescaped(*ptr))
968 len++;
969 else {
970 size = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, NULL, 0, NULL, NULL);
971 if(!size) {
972 SysFreeString(str);
973 return throw_uri_error(ctx, ei, JS_E_INVALID_URI_CHAR, NULL);
974 }
975 len += size*3;
976 }
977 }
978
979 ret = SysAllocStringLen(NULL, len);
980 if(!ret) {
981 SysFreeString(str);
982 return E_OUTOFMEMORY;
983 }
984
985 len = 0;
986 for(ptr=str; *ptr; ptr++) {
987 if(is_uri_unescaped(*ptr))
988 ret[len++] = *ptr;
989 else {
990 size = WideCharToMultiByte(CP_UTF8, 0, ptr, 1, buf, sizeof(buf), NULL, NULL);
991 for(i=0; i<size; i++) {
992 ret[len++] = '%';
993 ret[len++] = int_to_char((BYTE)buf[i] >> 4);
994 ret[len++] = int_to_char(buf[i] & 0x0f);
995 }
996 }
997 }
998
999 SysFreeString(str);
1000
1001 if(r)
1002 *r = jsval_string(ret);
1003 else
1004 SysFreeString(ret);
1005 return S_OK;
1006 }
1007
1008 /* ECMA-262 3rd Edition 15.1.3.2 */
1009 static HRESULT JSGlobal_decodeURIComponent(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, VARIANT *argv,
1010 jsval_t *r, jsexcept_t *ei)
1011 {
1012 BSTR str, ret;
1013 const WCHAR *ptr;
1014 WCHAR *out_ptr;
1015 DWORD len = 0;
1016 HRESULT hres;
1017
1018 TRACE("\n");
1019
1020 if(!argc) {
1021 if(r) {
1022 ret = SysAllocString(undefinedW);
1023 if(!ret)
1024 return E_OUTOFMEMORY;
1025
1026 *r = jsval_string(ret);
1027 }
1028
1029 return S_OK;
1030 }
1031
1032 hres = to_string(ctx, argv, ei, &str);
1033 if(FAILED(hres))
1034 return hres;
1035
1036 ptr = str;
1037 while(*ptr) {
1038 if(*ptr == '%') {
1039 char octets[4];
1040 unsigned char mask = 0x80;
1041 int i, size, num_bytes = 0;
1042 if(hex_to_int(*(ptr+1)) < 0 || hex_to_int(*(ptr+2)) < 0) {
1043 FIXME("Throw URIError: Invalid hex sequence\n");
1044 SysFreeString(str);
1045 return E_FAIL;
1046 }
1047 octets[0] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1048 ptr += 3;
1049 while(octets[0] & mask) {
1050 mask = mask >> 1;
1051 ++num_bytes;
1052 }
1053 if(num_bytes == 1 || num_bytes > 4) {
1054 FIXME("Throw URIError: Invalid initial UTF character\n");
1055 SysFreeString(str);
1056 return E_FAIL;
1057 }
1058 for(i = 1; i < num_bytes; ++i) {
1059 if(*ptr != '%'){
1060 FIXME("Throw URIError: Incomplete UTF sequence\n");
1061 SysFreeString(str);
1062 return E_FAIL;
1063 }
1064 if(hex_to_int(*(ptr+1)) < 0 || hex_to_int(*(ptr+2)) < 0) {
1065 FIXME("Throw URIError: Invalid hex sequence\n");
1066 SysFreeString(str);
1067 return E_FAIL;
1068 }
1069 octets[i] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1070 ptr += 3;
1071 }
1072 size = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, octets,
1073 num_bytes ? num_bytes : 1, NULL, 0);
1074 if(size == 0) {
1075 FIXME("Throw URIError: Invalid UTF sequence\n");
1076 SysFreeString(str);
1077 return E_FAIL;
1078 }
1079 len += size;
1080 }else {
1081 ++ptr;
1082 ++len;
1083 }
1084 }
1085
1086 out_ptr = ret = SysAllocStringLen(NULL, len);
1087 if(!ret) {
1088 SysFreeString(str);
1089 return E_OUTOFMEMORY;
1090 }
1091
1092 ptr = str;
1093 while(*ptr) {
1094 if(*ptr == '%') {
1095 char octets[4];
1096 unsigned char mask = 0x80;
1097 int i, size, num_bytes = 0;
1098 octets[0] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1099 ptr += 3;
1100 while(octets[0] & mask) {
1101 mask = mask >> 1;
1102 ++num_bytes;
1103 }
1104 for(i = 1; i < num_bytes; ++i) {
1105 octets[i] = (hex_to_int(*(ptr+1)) << 4) + hex_to_int(*(ptr+2));
1106 ptr += 3;
1107 }
1108 size = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, octets,
1109 num_bytes ? num_bytes : 1, out_ptr, len);
1110 len -= size;
1111 out_ptr += size;
1112 }else {
1113 *out_ptr++ = *ptr++;
1114 --len;
1115 }
1116 }
1117
1118 SysFreeString(str);
1119
1120 if(r)
1121 *r = jsval_string(ret);
1122 else
1123 SysFreeString(ret);
1124 return S_OK;
1125 }
1126
1127 static const builtin_prop_t JSGlobal_props[] = {
1128 {ActiveXObjectW, JSGlobal_ActiveXObject, PROPF_CONSTR|1},
1129 {ArrayW, JSGlobal_Array, PROPF_CONSTR|1},
1130 {BooleanW, JSGlobal_Boolean, PROPF_CONSTR|1},
1131 {CollectGarbageW, JSGlobal_CollectGarbage, PROPF_METHOD},
1132 {DateW, JSGlobal_Date, PROPF_CONSTR|7},
1133 {EnumeratorW, JSGlobal_Enumerator, PROPF_METHOD|7},
1134 {ErrorW, JSGlobal_Error, PROPF_CONSTR|1},
1135 {EvalErrorW, JSGlobal_EvalError, PROPF_CONSTR|1},
1136 {FunctionW, JSGlobal_Function, PROPF_CONSTR|1},
1137 {_GetObjectW, JSGlobal_GetObject, PROPF_METHOD|2},
1138 {NumberW, JSGlobal_Number, PROPF_CONSTR|1},
1139 {ObjectW, JSGlobal_Object, PROPF_CONSTR|1},
1140 {RangeErrorW, JSGlobal_RangeError, PROPF_CONSTR|1},
1141 {ReferenceErrorW, JSGlobal_ReferenceError, PROPF_CONSTR|1},
1142 {RegExpW, JSGlobal_RegExp, PROPF_CONSTR|2},
1143 {RegExpErrorW, JSGlobal_RegExpError, PROPF_CONSTR|1},
1144 {ScriptEngineW, JSGlobal_ScriptEngine, PROPF_METHOD},
1145 {ScriptEngineBuildVersionW, JSGlobal_ScriptEngineBuildVersion, PROPF_METHOD},
1146 {ScriptEngineMajorVersionW, JSGlobal_ScriptEngineMajorVersion, PROPF_METHOD},
1147 {ScriptEngineMinorVersionW, JSGlobal_ScriptEngineMinorVersion, PROPF_METHOD},
1148 {StringW, JSGlobal_String, PROPF_CONSTR|1},
1149 {SyntaxErrorW, JSGlobal_SyntaxError, PROPF_CONSTR|1},
1150 {TypeErrorW, JSGlobal_TypeError, PROPF_CONSTR|1},
1151 {URIErrorW, JSGlobal_URIError, PROPF_CONSTR|1},
1152 {VBArrayW, JSGlobal_VBArray, PROPF_CONSTR|1},
1153 {decodeURIW, JSGlobal_decodeURI, PROPF_METHOD|1},
1154 {decodeURIComponentW, JSGlobal_decodeURIComponent, PROPF_METHOD|1},
1155 {encodeURIW, JSGlobal_encodeURI, PROPF_METHOD|1},
1156 {encodeURIComponentW, JSGlobal_encodeURIComponent, PROPF_METHOD|1},
1157 {escapeW, JSGlobal_escape, PROPF_METHOD|1},
1158 {evalW, JSGlobal_eval, PROPF_METHOD|1},
1159 {isFiniteW, JSGlobal_isFinite, PROPF_METHOD|1},
1160 {isNaNW, JSGlobal_isNaN, PROPF_METHOD|1},
1161 {parseFloatW, JSGlobal_parseFloat, PROPF_METHOD|1},
1162 {parseIntW, JSGlobal_parseInt, PROPF_METHOD|2},
1163 {unescapeW, JSGlobal_unescape, PROPF_METHOD|1}
1164 };
1165
1166 static const builtin_info_t JSGlobal_info = {
1167 JSCLASS_GLOBAL,
1168 {NULL, NULL, 0},
1169 sizeof(JSGlobal_props)/sizeof(*JSGlobal_props),
1170 JSGlobal_props,
1171 NULL,
1172 NULL
1173 };
1174
1175 static HRESULT init_constructors(script_ctx_t *ctx, jsdisp_t *object_prototype)
1176 {
1177 HRESULT hres;
1178
1179 hres = init_function_constr(ctx, object_prototype);
1180 if(FAILED(hres))
1181 return hres;
1182
1183 hres = create_object_constr(ctx, object_prototype, &ctx->object_constr);
1184 if(FAILED(hres))
1185 return hres;
1186
1187 hres = create_activex_constr(ctx, &ctx->activex_constr);
1188 if(FAILED(hres))
1189 return hres;
1190
1191 hres = create_array_constr(ctx, object_prototype, &ctx->array_constr);
1192 if(FAILED(hres))
1193 return hres;
1194
1195 hres = create_bool_constr(ctx, object_prototype, &ctx->bool_constr);
1196 if(FAILED(hres))
1197 return hres;
1198
1199 hres = create_date_constr(ctx, object_prototype, &ctx->date_constr);
1200 if(FAILED(hres))
1201 return hres;
1202
1203 hres = init_error_constr(ctx, object_prototype);
1204 if(FAILED(hres))
1205 return hres;
1206
1207 hres = create_number_constr(ctx, object_prototype, &ctx->number_constr);
1208 if(FAILED(hres))
1209 return hres;
1210
1211 hres = create_regexp_constr(ctx, object_prototype, &ctx->regexp_constr);
1212 if(FAILED(hres))
1213 return hres;
1214
1215 hres = create_string_constr(ctx, object_prototype, &ctx->string_constr);
1216 if(FAILED(hres))
1217 return hres;
1218
1219 hres = create_vbarray_constr(ctx, object_prototype, &ctx->vbarray_constr);
1220 if(FAILED(hres))
1221 return hres;
1222
1223 return S_OK;
1224 }
1225
1226 HRESULT init_global(script_ctx_t *ctx)
1227 {
1228 jsdisp_t *math, *object_prototype;
1229 VARIANT var;
1230 HRESULT hres;
1231
1232 if(ctx->global)
1233 return S_OK;
1234
1235 hres = create_object_prototype(ctx, &object_prototype);
1236 if(FAILED(hres))
1237 return hres;
1238
1239 hres = init_constructors(ctx, object_prototype);
1240 jsdisp_release(object_prototype);
1241 if(FAILED(hres))
1242 return hres;
1243
1244 hres = create_dispex(ctx, &JSGlobal_info, NULL, &ctx->global);
1245 if(FAILED(hres))
1246 return hres;
1247
1248 hres = create_math(ctx, &math);
1249 if(FAILED(hres))
1250 return hres;
1251
1252 var_set_jsdisp(&var, math);
1253 hres = jsdisp_propput_name(ctx->global, MathW, &var, NULL/*FIXME*/);
1254 jsdisp_release(math);
1255 if(FAILED(hres))
1256 return hres;
1257
1258 V_VT(&var) = VT_EMPTY;
1259 hres = jsdisp_propput_name(ctx->global, undefinedW, &var, NULL/*FIXME*/);
1260 if(FAILED(hres))
1261 return hres;
1262
1263 num_set_val(&var, NAN);
1264 hres = jsdisp_propput_name(ctx->global, NaNW, &var, NULL/*FIXME*/);
1265 if(FAILED(hres))
1266 return hres;
1267
1268 num_set_val(&var, INFINITY);
1269 hres = jsdisp_propput_name(ctx->global, InfinityW, &var, NULL/*FIXME*/);
1270 return hres;
1271 }
Windows API implementation