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
23 #include "wine/debug.h"
25 WINE_DEFAULT_DEBUG_CHANNEL(jscript);
33 static const WCHAR toStringW[] = {'t','o','S','t','r','i','n','g',0};
34 static const WCHAR toLocaleStringW[] = {'t','o','L','o','c','a','l','e','S','t','r','i','n','g',0};
35 static const WCHAR toFixedW[] = {'t','o','F','i','x','e','d',0};
36 static const WCHAR toExponentialW[] = {'t','o','E','x','p','o','n','e','n','t','i','a','l',0};
37 static const WCHAR toPrecisionW[] = {'t','o','P','r','e','c','i','s','i','o','n',0};
38 static const WCHAR valueOfW[] = {'v','a','l','u','e','O','f',0};
39 static const WCHAR hasOwnPropertyW[] = {'h','a','s','O','w','n','P','r','o','p','e','r','t','y',0};
40 static const WCHAR propertyIsEnumerableW[] =
41 {'p','r','o','p','e','r','t','y','I','s','E','n','u','m','e','r','a','b','l','e',0};
42 static const WCHAR isPrototypeOfW[] = {'i','s','P','r','o','t','o','t','y','p','e','O','f',0};
44 #define NUMBER_TOSTRING_BUF_SIZE 64
45 /* ECMA-262 3rd Edition 15.7.4.2 */
46 static HRESULT Number_toString(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
47 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
49 NumberInstance *number;
57 if(!is_class(dispex, JSCLASS_NUMBER))
58 return throw_type_error(dispex->ctx, ei, IDS_NOT_NUM, NULL);
60 number = (NumberInstance*)dispex;
63 hres = to_int32(dispex->ctx, get_arg(dp, 0), ei, &radix);
67 if(radix<2 || radix>36)
68 return throw_type_error(dispex->ctx, ei, IDS_INVALID_CALL_ARG, NULL);
71 if(V_VT(&number->num) == VT_I4)
72 val = V_I4(&number->num);
74 val = V_R8(&number->num);
76 if(radix==10 || isnan(val) || isinf(val)) {
77 hres = to_string(dispex->ctx, &number->num, ei, &str);
83 DOUBLE integ, frac, log_radix = 0;
84 WCHAR buf[NUMBER_TOSTRING_BUF_SIZE+16];
98 while(integ>=1 && idx<NUMBER_TOSTRING_BUF_SIZE) {
99 buf[idx] = fmod(integ, radix);
100 if(buf[idx]<10) buf[idx] += '0';
101 else buf[idx] += 'a'-10;
106 if(idx<NUMBER_TOSTRING_BUF_SIZE) {
107 INT beg = buf[0]=='-'?1:0;
113 buf[beg++] = buf[end];
118 if(idx != NUMBER_TOSTRING_BUF_SIZE) buf[idx++] = '.';
120 while(frac>0 && idx<NUMBER_TOSTRING_BUF_SIZE) {
122 buf[idx] = fmod(frac, radix);
124 if(buf[idx]<10) buf[idx] += '0';
125 else buf[idx] += 'a'-10;
129 if(idx==NUMBER_TOSTRING_BUF_SIZE && !exp) {
131 idx = (buf[0]=='-') ? 1 : 0;
132 log_radix = floor(log(val)/log(radix));
133 val *= pow(radix, -log_radix);
140 while(buf[idx-1] == '0') idx--;
141 if(buf[idx-1] == '.') idx--;
147 static const WCHAR formatW[] = {'(','e','%','c','%','d',')',0};
151 log_radix = -log_radix;
155 sprintfW(&buf[idx], formatW, ch, (int)log_radix);
158 else buf[idx] = '\0';
160 str = SysAllocString(buf);
162 return E_OUTOFMEMORY;
166 V_VT(retv) = VT_BSTR;
174 static HRESULT Number_toLocaleString(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
175 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
181 static HRESULT Number_toFixed(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
182 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
188 static HRESULT Number_toExponential(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
189 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
195 static HRESULT Number_toPrecision(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
196 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
202 static HRESULT Number_valueOf(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
203 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
207 if(!is_class(dispex, JSCLASS_NUMBER))
208 return throw_type_error(dispex->ctx, ei, IDS_NOT_NUM, NULL);
211 NumberInstance *number = (NumberInstance*)dispex;
217 static HRESULT Number_hasOwnProperty(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
218 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
224 static HRESULT Number_propertyIsEnumerable(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
225 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
231 static HRESULT Number_isPrototypeOf(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
232 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
238 static HRESULT Number_value(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
239 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
241 NumberInstance *number = (NumberInstance*)dispex;
245 return throw_type_error(dispex->ctx, ei, IDS_NOT_FUNC, NULL);
246 case DISPATCH_PROPERTYGET:
251 FIXME("flags %x\n", flags);
258 static const builtin_prop_t Number_props[] = {
259 {hasOwnPropertyW, Number_hasOwnProperty, PROPF_METHOD},
260 {isPrototypeOfW, Number_isPrototypeOf, PROPF_METHOD},
261 {propertyIsEnumerableW, Number_propertyIsEnumerable, PROPF_METHOD},
262 {toExponentialW, Number_toExponential, PROPF_METHOD},
263 {toFixedW, Number_toFixed, PROPF_METHOD},
264 {toLocaleStringW, Number_toLocaleString, PROPF_METHOD},
265 {toPrecisionW, Number_toPrecision, PROPF_METHOD},
266 {toStringW, Number_toString, PROPF_METHOD},
267 {valueOfW, Number_valueOf, PROPF_METHOD}
270 static const builtin_info_t Number_info = {
272 {NULL, Number_value, 0},
273 sizeof(Number_props)/sizeof(*Number_props),
279 static HRESULT NumberConstr_value(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
280 VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
297 hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &num);
305 case DISPATCH_CONSTRUCT: {
309 hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &num);
317 hres = create_number(dispex->ctx, &num, &obj);
321 V_VT(retv) = VT_DISPATCH;
322 V_DISPATCH(retv) = (IDispatch*)_IDispatchEx_(obj);
326 FIXME("unimplemented flags %x\n", flags);
333 static HRESULT alloc_number(script_ctx_t *ctx, BOOL use_constr, NumberInstance **ret)
335 NumberInstance *number;
338 number = heap_alloc_zero(sizeof(NumberInstance));
340 return E_OUTOFMEMORY;
343 hres = init_dispex_from_constr(&number->dispex, ctx, &Number_info, ctx->number_constr);
345 hres = init_dispex(&number->dispex, ctx, &Number_info, NULL);
353 HRESULT create_number_constr(script_ctx_t *ctx, DispatchEx **ret)
355 NumberInstance *number;
358 hres = alloc_number(ctx, FALSE, &number);
362 V_VT(&number->num) = VT_I4;
363 hres = create_builtin_function(ctx, NumberConstr_value, NULL, PROPF_CONSTR, &number->dispex, ret);
365 jsdisp_release(&number->dispex);
369 HRESULT create_number(script_ctx_t *ctx, VARIANT *num, DispatchEx **ret)
371 NumberInstance *number;
374 hres = alloc_number(ctx, TRUE, &number);
380 *ret = &number->dispex;