2 * Copyright 2008 Jacek Caban for CodeWeavers
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.
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.
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
20 #include "wine/port.h"
26 #include "wine/debug.h"
28 WINE_DEFAULT_DEBUG_CHANNEL(jscript);
36 static const WCHAR lengthW[] = {'l','e','n','g','t','h',0};
37 static const WCHAR concatW[] = {'c','o','n','c','a','t',0};
38 static const WCHAR joinW[] = {'j','o','i','n',0};
39 static const WCHAR popW[] = {'p','o','p',0};
40 static const WCHAR pushW[] = {'p','u','s','h',0};
41 static const WCHAR reverseW[] = {'r','e','v','e','r','s','e',0};
42 static const WCHAR shiftW[] = {'s','h','i','f','t',0};
43 static const WCHAR sliceW[] = {'s','l','i','c','e',0};
44 static const WCHAR sortW[] = {'s','o','r','t',0};
45 static const WCHAR spliceW[] = {'s','p','l','i','c','e',0};
46 static const WCHAR toStringW[] = {'t','o','S','t','r','i','n','g',0};
47 static const WCHAR toLocaleStringW[] = {'t','o','L','o','c','a','l','e','S','t','r','i','n','g',0};
48 static const WCHAR unshiftW[] = {'u','n','s','h','i','f','t',0};
50 static const WCHAR default_separatorW[] = {',',0};
52 static inline ArrayInstance *array_from_vdisp(vdisp_t *vdisp)
54 return (ArrayInstance*)vdisp->u.jsdisp;
57 static inline ArrayInstance *array_this(vdisp_t *jsthis)
59 return is_vclass(jsthis, JSCLASS_ARRAY) ? array_from_vdisp(jsthis) : NULL;
62 static HRESULT get_length(script_ctx_t *ctx, vdisp_t *vdisp, jsdisp_t **jsthis, DWORD *ret)
68 array = array_this(vdisp);
70 *jsthis = &array->dispex;
76 return throw_type_error(ctx, JS_E_JSCRIPT_EXPECTED, NULL);
78 hres = jsdisp_propget_name(vdisp->u.jsdisp, lengthW, &val);
82 hres = to_uint32(ctx, val, ret);
87 *jsthis = vdisp->u.jsdisp;
91 static HRESULT set_length(jsdisp_t *obj, DWORD length)
93 if(is_class(obj, JSCLASS_ARRAY)) {
94 ((ArrayInstance*)obj)->length = length;
98 return jsdisp_propput_name(obj, lengthW, jsval_number(length));
101 static WCHAR *idx_to_str(DWORD idx, WCHAR *ptr)
109 *ptr-- = '0' + (idx%10);
116 static HRESULT Array_length(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
119 ArrayInstance *This = array_from_vdisp(jsthis);
121 TRACE("%p %d\n", This, This->length);
124 case DISPATCH_PROPERTYGET:
125 *r = jsval_number(This->length);
127 case DISPATCH_PROPERTYPUT: {
132 hres = to_number(ctx, argv[0], &len);
138 return throw_range_error(ctx, JS_E_INVALID_LENGTH, NULL);
140 for(i=len; i<This->length; i++) {
141 hres = jsdisp_delete_idx(&This->dispex, i);
150 FIXME("unimplemented flags %x\n", flags);
157 static HRESULT concat_array(jsdisp_t *array, ArrayInstance *obj, DWORD *len)
163 for(i=0; i < obj->length; i++) {
164 hres = jsdisp_get_idx(&obj->dispex, i, &val);
165 if(hres == DISP_E_UNKNOWNNAME)
170 hres = jsdisp_propput_idx(array, *len+i, val);
180 static HRESULT concat_obj(jsdisp_t *array, IDispatch *obj, DWORD *len)
185 jsobj = iface_to_jsdisp((IUnknown*)obj);
187 if(is_class(jsobj, JSCLASS_ARRAY)) {
188 hres = concat_array(array, (ArrayInstance*)jsobj, len);
189 jsdisp_release(jsobj);
192 jsdisp_release(jsobj);
195 return jsdisp_propput_idx(array, (*len)++, jsval_disp(obj));
198 static HRESULT Array_concat(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
207 hres = create_array(ctx, 0, &ret);
211 hres = concat_obj(ret, jsthis->u.disp, &len);
212 if(SUCCEEDED(hres)) {
215 for(i=0; i < argc; i++) {
216 if(is_object_instance(argv[i]))
217 hres = concat_obj(ret, get_object(argv[i]), &len);
219 hres = jsdisp_propput_idx(ret, len++, argv[i]);
235 static HRESULT array_join(script_ctx_t *ctx, jsdisp_t *array, DWORD length, const WCHAR *sep, jsval_t *r)
237 jsstr_t **str_tab, *ret = NULL;
240 HRESULT hres = E_FAIL;
244 *r = jsval_string(jsstr_empty());
248 str_tab = heap_alloc_zero(length * sizeof(*str_tab));
250 return E_OUTOFMEMORY;
252 for(i=0; i < length; i++) {
253 hres = jsdisp_get_idx(array, i, &val);
254 if(hres == DISP_E_UNKNOWNNAME) {
257 } else if(FAILED(hres))
260 if(!is_undefined(val) && !is_null(val)) {
261 hres = to_string(ctx, val, str_tab+i);
268 if(SUCCEEDED(hres)) {
269 DWORD seplen = 0, len = 0;
272 seplen = strlenW(sep);
275 len = jsstr_length(str_tab[0]);
276 for(i=1; i < length; i++) {
279 len += jsstr_length(str_tab[i]);
280 if(len > JSSTR_MAX_LENGTH) {
281 hres = E_OUTOFMEMORY;
287 ret = jsstr_alloc_buf(len);
292 ptr += jsstr_flush(str_tab[0], ptr);
294 for(i=1; i < length; i++) {
296 memcpy(ptr, sep, seplen*sizeof(WCHAR));
301 ptr += jsstr_flush(str_tab[i], ptr);
304 hres = E_OUTOFMEMORY;
308 for(i=0; i < length; i++) {
310 jsstr_release(str_tab[i]);
316 TRACE("= %s\n", debugstr_jsstr(ret));
319 *r = jsval_string(ret);
325 /* ECMA-262 3rd Edition 15.4.4.5 */
326 static HRESULT Array_join(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, unsigned argc, jsval_t *argv,
335 hres = get_length(ctx, vthis, &jsthis, &length);
342 hres = to_string(ctx, argv[0], &sep);
346 hres = array_join(ctx, jsthis, length, sep->str, r);
350 hres = array_join(ctx, jsthis, length, default_separatorW, r);
356 static HRESULT Array_pop(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, unsigned argc, jsval_t *argv,
366 hres = get_length(ctx, vthis, &jsthis, &length);
371 hres = set_length(jsthis, 0);
376 *r = jsval_undefined();
381 hres = jsdisp_get_idx(jsthis, length, &val);
383 hres = jsdisp_delete_idx(jsthis, length);
384 else if(hres == DISP_E_UNKNOWNNAME)
385 val = jsval_undefined();
390 hres = set_length(jsthis, length);
404 /* ECMA-262 3rd Edition 15.4.4.7 */
405 static HRESULT Array_push(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, unsigned argc, jsval_t *argv,
415 hres = get_length(ctx, vthis, &jsthis, &length);
419 for(i=0; i < argc; i++) {
420 hres = jsdisp_propput_idx(jsthis, length+i, argv[i]);
425 hres = set_length(jsthis, length+argc);
430 *r = jsval_number(length+argc);
434 static HRESULT Array_reverse(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, unsigned argc, jsval_t *argv,
440 HRESULT hres1, hres2;
444 hres1 = get_length(ctx, vthis, &jsthis, &length);
448 for(k=0; k<length/2; k++) {
451 hres1 = jsdisp_get_idx(jsthis, k, &v1);
452 if(FAILED(hres1) && hres1!=DISP_E_UNKNOWNNAME)
455 hres2 = jsdisp_get_idx(jsthis, l, &v2);
456 if(FAILED(hres2) && hres2!=DISP_E_UNKNOWNNAME) {
461 if(hres1 == DISP_E_UNKNOWNNAME)
462 hres1 = jsdisp_delete_idx(jsthis, l);
464 hres1 = jsdisp_propput_idx(jsthis, l, v1);
472 if(hres2 == DISP_E_UNKNOWNNAME)
473 hres2 = jsdisp_delete_idx(jsthis, k);
475 hres2 = jsdisp_propput_idx(jsthis, k, v2);
484 *r = jsval_obj(jsdisp_addref(jsthis));
488 /* ECMA-262 3rd Edition 15.4.4.9 */
489 static HRESULT Array_shift(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, unsigned argc, jsval_t *argv,
499 hres = get_length(ctx, vthis, &jsthis, &length);
504 hres = set_length(jsthis, 0);
511 *r = jsval_undefined();
515 hres = jsdisp_get_idx(jsthis, 0, &ret);
516 if(hres == DISP_E_UNKNOWNNAME) {
517 ret = jsval_undefined();
521 for(i=1; SUCCEEDED(hres) && i<length; i++) {
522 hres = jsdisp_get_idx(jsthis, i, &v);
523 if(hres == DISP_E_UNKNOWNNAME)
524 hres = jsdisp_delete_idx(jsthis, i-1);
525 else if(SUCCEEDED(hres))
526 hres = jsdisp_propput_idx(jsthis, i-1, v);
529 if(SUCCEEDED(hres)) {
530 hres = jsdisp_delete_idx(jsthis, length-1);
532 hres = set_length(jsthis, length-1);
545 /* ECMA-262 3rd Edition 15.4.4.10 */
546 static HRESULT Array_slice(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
548 jsdisp_t *arr, *jsthis;
550 DWORD length, start, end, idx;
555 hres = get_length(ctx, vthis, &jsthis, &length);
560 hres = to_number(ctx, argv[0], &range);
564 range = floor(range);
565 if(-range>length || isnan(range)) start = 0;
566 else if(range < 0) start = range+length;
567 else if(range <= length) start = range;
573 hres = to_number(ctx, argv[1], &range);
577 range = floor(range);
578 if(-range>length) end = 0;
579 else if(range < 0) end = range+length;
580 else if(range <= length) end = range;
585 hres = create_array(ctx, (end>start)?end-start:0, &arr);
589 for(idx=start; idx<end; idx++) {
592 hres = jsdisp_get_idx(jsthis, idx, &v);
593 if(hres == DISP_E_UNKNOWNNAME)
596 if(SUCCEEDED(hres)) {
597 hres = jsdisp_propput_idx(arr, idx-start, v);
615 static HRESULT sort_cmp(script_ctx_t *ctx, jsdisp_t *cmp_func, jsval_t v1, jsval_t v2, INT *cmp)
620 jsval_t args[2] = {v1, v2};
624 hres = jsdisp_call_value(cmp_func, NULL, DISPATCH_METHOD, 2, args, &res);
628 hres = to_number(ctx, res, &n);
635 *cmp = n > 0.0 ? 1 : -1;
636 }else if(is_undefined(v1)) {
637 *cmp = is_undefined(v2) ? 0 : 1;
638 }else if(is_undefined(v2)) {
640 }else if(is_number(v1) && is_number(v2)) {
641 double d = get_number(v1)-get_number(v2);
645 *cmp = d < -0.0 ? -1 : 0;
649 hres = to_string(ctx, v1, &x);
653 hres = to_string(ctx, v2, &y);
654 if(SUCCEEDED(hres)) {
655 *cmp = jsstr_cmp(x, y);
666 /* ECMA-262 3rd Edition 15.4.4.11 */
667 static HRESULT Array_sort(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, unsigned argc, jsval_t *argv,
670 jsdisp_t *jsthis, *cmp_func = NULL;
671 jsval_t *vtab, **sorttab = NULL;
678 hres = get_length(ctx, vthis, &jsthis, &length);
683 WARN("invalid arg_cnt %d\n", argc);
688 if(!is_object_instance(argv[0])) {
689 WARN("arg is not dispatch\n");
693 cmp_func = iface_to_jsdisp((IUnknown*)get_object(argv[0]));
694 if(!cmp_func || !is_class(cmp_func, JSCLASS_FUNCTION)) {
695 WARN("cmp_func is not a function\n");
697 jsdisp_release(cmp_func);
704 jsdisp_release(cmp_func);
706 *r = jsval_obj(jsdisp_addref(jsthis));
710 vtab = heap_alloc_zero(length * sizeof(*vtab));
712 for(i=0; i<length; i++) {
713 hres = jsdisp_get_idx(jsthis, i, vtab+i);
714 if(hres == DISP_E_UNKNOWNNAME) {
715 vtab[i] = jsval_undefined();
717 } else if(FAILED(hres)) {
718 WARN("Could not get elem %d: %08x\n", i, hres);
723 hres = E_OUTOFMEMORY;
726 if(SUCCEEDED(hres)) {
727 sorttab = heap_alloc(length*2*sizeof(*sorttab));
729 hres = E_OUTOFMEMORY;
733 if(SUCCEEDED(hres)) {
734 jsval_t *tmpv, **tmpbuf;
737 tmpbuf = sorttab + length;
738 for(i=0; i < length; i++)
741 for(i=0; i < length/2; i++) {
742 hres = sort_cmp(ctx, cmp_func, *sorttab[2*i+1], *sorttab[2*i], &cmp);
748 sorttab[2*i] = sorttab[2*i+1];
749 sorttab[2*i+1] = tmpv;
753 if(SUCCEEDED(hres)) {
756 for(k=2; k < length; k *= 2) {
757 for(i=0; i+k < length; i += 2*k) {
762 bend = length - (i+k);
764 memcpy(tmpbuf, sorttab+i, k*sizeof(jsval_t*));
766 while(a < k && b < bend) {
767 hres = sort_cmp(ctx, cmp_func, *tmpbuf[a], *sorttab[i+k+b], &cmp);
772 sorttab[i+a+b] = tmpbuf[a];
775 sorttab[i+a+b] = sorttab[i+k+b];
784 memcpy(sorttab+i+a+b, tmpbuf+a, (k-a)*sizeof(jsval_t*));
792 for(i=0; SUCCEEDED(hres) && i < length; i++)
793 hres = jsdisp_propput_idx(jsthis, i, *sorttab[i]);
797 for(i=0; i < length; i++)
798 jsval_release(vtab[i]);
803 jsdisp_release(cmp_func);
809 *r = jsval_obj(jsdisp_addref(jsthis));
813 /* ECMA-262 3rd Edition 15.4.4.12 */
814 static HRESULT Array_splice(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, unsigned argc, jsval_t *argv,
817 DWORD length, start=0, delete_cnt=0, i, add_args = 0;
818 jsdisp_t *ret_array = NULL, *jsthis;
826 hres = get_length(ctx, vthis, &jsthis, &length);
831 hres = to_integer(ctx, argv[0], &d);
837 start = min(n, length);
839 start = -n > length ? 0 : length + n;
841 start = d < 0.0 ? 0 : length;
846 hres = to_integer(ctx, argv[1], &d);
852 delete_cnt = min(n, length-start);
854 delete_cnt = length-start;
861 hres = create_array(ctx, 0, &ret_array);
865 for(i=0; SUCCEEDED(hres) && i < delete_cnt; i++) {
866 hres = jsdisp_get_idx(jsthis, start+i, &val);
867 if(hres == DISP_E_UNKNOWNNAME) {
869 }else if(SUCCEEDED(hres)) {
870 hres = jsdisp_propput_idx(ret_array, i, val);
876 hres = jsdisp_propput_name(ret_array, lengthW, jsval_number(delete_cnt));
879 if(add_args < delete_cnt) {
880 for(i = start; SUCCEEDED(hres) && i < length-delete_cnt; i++) {
881 hres = jsdisp_get_idx(jsthis, i+delete_cnt, &val);
882 if(hres == DISP_E_UNKNOWNNAME) {
883 hres = jsdisp_delete_idx(jsthis, i+add_args);
884 }else if(SUCCEEDED(hres)) {
885 hres = jsdisp_propput_idx(jsthis, i+add_args, val);
890 for(i=length; SUCCEEDED(hres) && i != length-delete_cnt+add_args; i--)
891 hres = jsdisp_delete_idx(jsthis, i-1);
892 }else if(add_args > delete_cnt) {
893 for(i=length-delete_cnt; SUCCEEDED(hres) && i != start; i--) {
894 hres = jsdisp_get_idx(jsthis, i+delete_cnt-1, &val);
895 if(hres == DISP_E_UNKNOWNNAME) {
896 hres = jsdisp_delete_idx(jsthis, i+add_args-1);
897 }else if(SUCCEEDED(hres)) {
898 hres = jsdisp_propput_idx(jsthis, i+add_args-1, val);
904 for(i=0; SUCCEEDED(hres) && i < add_args; i++)
905 hres = jsdisp_propput_idx(jsthis, start+i, argv[i+2]);
908 hres = jsdisp_propput_name(jsthis, lengthW, jsval_number(length-delete_cnt+add_args));
912 jsdisp_release(ret_array);
917 *r = jsval_obj(ret_array);
921 /* ECMA-262 3rd Edition 15.4.4.2 */
922 static HRESULT Array_toString(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
925 ArrayInstance *array;
929 array = array_this(jsthis);
931 return throw_type_error(ctx, JS_E_ARRAY_EXPECTED, NULL);
933 return array_join(ctx, &array->dispex, array->length, default_separatorW, r);
936 static HRESULT Array_toLocaleString(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, unsigned argc, jsval_t *argv,
943 /* ECMA-262 3rd Edition 15.4.4.13 */
944 static HRESULT Array_unshift(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, unsigned argc, jsval_t *argv,
948 WCHAR buf[14], *buf_end, *str;
956 hres = get_length(ctx, vthis, &jsthis, &length);
961 buf_end = buf + sizeof(buf)/sizeof(WCHAR)-1;
966 str = idx_to_str(i, buf_end);
968 hres = jsdisp_get_id(jsthis, str, 0, &id);
969 if(SUCCEEDED(hres)) {
970 hres = jsdisp_propget(jsthis, id, &val);
974 hres = jsdisp_propput_idx(jsthis, i+argc, val);
976 }else if(hres == DISP_E_UNKNOWNNAME) {
977 hres = IDispatchEx_DeleteMemberByDispID(vthis->u.dispex, id);
985 for(i=0; i<argc; i++) {
986 hres = jsdisp_propput_idx(jsthis, i, argv[i]);
993 hres = set_length(jsthis, length);
999 *r = ctx->version < 2 ? jsval_undefined() : jsval_number(length);
1003 static HRESULT Array_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
1010 return throw_type_error(ctx, JS_E_FUNCTION_EXPECTED, NULL);
1011 case INVOKE_PROPERTYGET:
1012 return array_join(ctx, jsthis->u.jsdisp, array_from_vdisp(jsthis)->length, default_separatorW, r);
1014 FIXME("unimplemented flags %x\n", flags);
1021 static void Array_destructor(jsdisp_t *dispex)
1026 static void Array_on_put(jsdisp_t *dispex, const WCHAR *name)
1028 ArrayInstance *array = (ArrayInstance*)dispex;
1029 const WCHAR *ptr = name;
1035 while(*ptr && isdigitW(*ptr)) {
1036 id = id*10 + (*ptr-'0');
1043 if(id >= array->length)
1044 array->length = id+1;
1047 static const builtin_prop_t Array_props[] = {
1048 {concatW, Array_concat, PROPF_METHOD|1},
1049 {joinW, Array_join, PROPF_METHOD|1},
1050 {lengthW, Array_length, 0},
1051 {popW, Array_pop, PROPF_METHOD},
1052 {pushW, Array_push, PROPF_METHOD|1},
1053 {reverseW, Array_reverse, PROPF_METHOD},
1054 {shiftW, Array_shift, PROPF_METHOD},
1055 {sliceW, Array_slice, PROPF_METHOD|2},
1056 {sortW, Array_sort, PROPF_METHOD|1},
1057 {spliceW, Array_splice, PROPF_METHOD|2},
1058 {toLocaleStringW, Array_toLocaleString, PROPF_METHOD},
1059 {toStringW, Array_toString, PROPF_METHOD},
1060 {unshiftW, Array_unshift, PROPF_METHOD|1},
1063 static const builtin_info_t Array_info = {
1065 {NULL, Array_value, 0},
1066 sizeof(Array_props)/sizeof(*Array_props),
1072 static const builtin_prop_t ArrayInst_props[] = {
1073 {lengthW, Array_length, 0}
1076 static const builtin_info_t ArrayInst_info = {
1078 {NULL, Array_value, 0},
1079 sizeof(ArrayInst_props)/sizeof(*ArrayInst_props),
1085 static HRESULT ArrayConstr_value(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, unsigned argc, jsval_t *argv,
1095 case DISPATCH_METHOD:
1096 case DISPATCH_CONSTRUCT: {
1097 if(argc == 1 && is_number(argv[0])) {
1098 double n = get_number(argv[0]);
1100 if(n < 0 || !is_int32(n))
1101 return throw_range_error(ctx, JS_E_INVALID_LENGTH, NULL);
1103 hres = create_array(ctx, n, &obj);
1107 *r = jsval_obj(obj);
1111 hres = create_array(ctx, argc, &obj);
1115 for(i=0; i < argc; i++) {
1116 hres = jsdisp_propput_idx(obj, i, argv[i]);
1121 jsdisp_release(obj);
1125 *r = jsval_obj(obj);
1129 FIXME("unimplemented flags: %x\n", flags);
1136 static HRESULT alloc_array(script_ctx_t *ctx, jsdisp_t *object_prototype, ArrayInstance **ret)
1138 ArrayInstance *array;
1141 array = heap_alloc_zero(sizeof(ArrayInstance));
1143 return E_OUTOFMEMORY;
1145 if(object_prototype)
1146 hres = init_dispex(&array->dispex, ctx, &Array_info, object_prototype);
1148 hres = init_dispex_from_constr(&array->dispex, ctx, &ArrayInst_info, ctx->array_constr);
1159 HRESULT create_array_constr(script_ctx_t *ctx, jsdisp_t *object_prototype, jsdisp_t **ret)
1161 ArrayInstance *array;
1164 static const WCHAR ArrayW[] = {'A','r','r','a','y',0};
1166 hres = alloc_array(ctx, object_prototype, &array);
1170 hres = create_builtin_constructor(ctx, ArrayConstr_value, ArrayW, NULL, PROPF_CONSTR|1, &array->dispex, ret);
1172 jsdisp_release(&array->dispex);
1176 HRESULT create_array(script_ctx_t *ctx, DWORD length, jsdisp_t **ret)
1178 ArrayInstance *array;
1181 hres = alloc_array(ctx, NULL, &array);
1185 array->length = length;
1187 *ret = &array->dispex;