mirror of
https://github.com/reactos/wine.git
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448 lines
12 KiB
C
448 lines
12 KiB
C
/*
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* Copyright 2008 Jacek Caban for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <math.h>
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#include "jscript.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(jscript);
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static const WCHAR EW[] = {'E',0};
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static const WCHAR LOG2EW[] = {'L','O','G','2','E',0};
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static const WCHAR LOG10EW[] = {'L','O','G','1','0','E',0};
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static const WCHAR LN2W[] = {'L','N','2',0};
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static const WCHAR LN10W[] = {'L','N','1','0',0};
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static const WCHAR PIW[] = {'P','I',0};
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static const WCHAR SQRT2W[] = {'S','Q','R','T','2',0};
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static const WCHAR SQRT1_2W[] = {'S','Q','R','T','1','_','2',0};
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static const WCHAR absW[] = {'a','b','s',0};
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static const WCHAR acosW[] = {'a','c','o','s',0};
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static const WCHAR asinW[] = {'a','s','i','n',0};
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static const WCHAR atanW[] = {'a','t','a','n',0};
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static const WCHAR atan2W[] = {'a','t','a','n','2',0};
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static const WCHAR ceilW[] = {'c','e','i','l',0};
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static const WCHAR cosW[] = {'c','o','s',0};
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static const WCHAR expW[] = {'e','x','p',0};
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static const WCHAR floorW[] = {'f','l','o','o','r',0};
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static const WCHAR logW[] = {'l','o','g',0};
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static const WCHAR maxW[] = {'m','a','x',0};
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static const WCHAR minW[] = {'m','i','n',0};
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static const WCHAR powW[] = {'p','o','w',0};
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static const WCHAR randomW[] = {'r','a','n','d','o','m',0};
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static const WCHAR roundW[] = {'r','o','u','n','d',0};
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static const WCHAR sinW[] = {'s','i','n',0};
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static const WCHAR sqrtW[] = {'s','q','r','t',0};
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static const WCHAR tanW[] = {'t','a','n',0};
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static HRESULT math_constant(DOUBLE val, WORD flags, VARIANT *retv)
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{
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switch(flags) {
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case DISPATCH_PROPERTYGET:
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V_VT(retv) = VT_R8;
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V_R8(retv) = val;
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return S_OK;
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case DISPATCH_PROPERTYPUT:
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return S_OK;
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}
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FIXME("unhandled flags %x\n", flags);
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return E_NOTIMPL;
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}
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/* ECMA-262 3rd Edition 15.8.1.1 */
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static HRESULT Math_E(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
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{
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TRACE("\n");
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return math_constant(M_E, flags, retv);
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}
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/* ECMA-262 3rd Edition 15.8.1.4 */
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static HRESULT Math_LOG2E(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
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{
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TRACE("\n");
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return math_constant(M_LOG2E, flags, retv);
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}
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/* ECMA-262 3rd Edition 15.8.1.4 */
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static HRESULT Math_LOG10E(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
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{
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TRACE("\n");
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return math_constant(M_LOG10E, flags, retv);
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}
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static HRESULT Math_LN2(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
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{
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FIXME("\n");
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return E_NOTIMPL;
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}
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static HRESULT Math_LN10(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
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{
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FIXME("\n");
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return E_NOTIMPL;
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}
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/* ECMA-262 3rd Edition 15.8.1.6 */
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static HRESULT Math_PI(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
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{
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TRACE("\n");
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return math_constant(M_PI, flags, retv);
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}
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static HRESULT Math_SQRT2(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
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{
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FIXME("\n");
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return E_NOTIMPL;
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}
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static HRESULT Math_SQRT1_2(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
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{
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FIXME("\n");
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return E_NOTIMPL;
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}
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/* ECMA-262 3rd Edition 15.8.2.12 */
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static HRESULT Math_abs(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
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{
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VARIANT v;
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DOUBLE d;
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HRESULT hres;
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TRACE("\n");
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if(!arg_cnt(dp)) {
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if(retv)
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num_set_nan(retv);
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return S_OK;
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}
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hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &v);
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if(FAILED(hres))
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return hres;
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d = num_val(&v);
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if(retv)
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num_set_val(retv, d < 0.0 ? -d : d);
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return S_OK;
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}
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static HRESULT Math_acos(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
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{
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FIXME("\n");
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return E_NOTIMPL;
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}
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static HRESULT Math_asin(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
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{
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FIXME("\n");
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return E_NOTIMPL;
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}
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static HRESULT Math_atan(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
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{
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FIXME("\n");
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return E_NOTIMPL;
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}
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static HRESULT Math_atan2(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
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{
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FIXME("\n");
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return E_NOTIMPL;
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}
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/* ECMA-262 3rd Edition 15.8.2.6 */
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static HRESULT Math_ceil(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
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{
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VARIANT v;
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HRESULT hres;
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TRACE("\n");
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if(!arg_cnt(dp)) {
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if(retv)
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num_set_nan(retv);
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return S_OK;
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}
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hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &v);
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if(FAILED(hres))
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return hres;
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if(retv)
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num_set_val(retv, ceil(num_val(&v)));
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return S_OK;
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}
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static HRESULT Math_cos(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
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{
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FIXME("\n");
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return E_NOTIMPL;
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}
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static HRESULT Math_exp(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
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{
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FIXME("\n");
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return E_NOTIMPL;
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}
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static HRESULT Math_floor(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
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{
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VARIANT v;
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HRESULT hres;
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TRACE("\n");
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if(!arg_cnt(dp)) {
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if(retv)
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num_set_nan(retv);
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return S_OK;
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}
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hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &v);
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if(FAILED(hres))
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return hres;
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if(retv)
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num_set_val(retv, floor(num_val(&v)));
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return S_OK;
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}
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static HRESULT Math_log(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
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{
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FIXME("\n");
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return E_NOTIMPL;
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}
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/* ECMA-262 3rd Edition 15.8.2.11 */
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static HRESULT Math_max(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
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{
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DOUBLE max, d;
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VARIANT v;
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DWORD i;
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HRESULT hres;
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TRACE("\n");
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if(!arg_cnt(dp)) {
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if(retv)
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num_set_inf(retv, FALSE);
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return S_OK;
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}
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hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &v);
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if(FAILED(hres))
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return hres;
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max = num_val(&v);
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for(i=1; i < arg_cnt(dp); i++) {
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hres = to_number(dispex->ctx, get_arg(dp, i), ei, &v);
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if(FAILED(hres))
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return hres;
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d = num_val(&v);
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if(d > max || isnan(d))
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max = d;
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}
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if(retv)
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num_set_val(retv, max);
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return S_OK;
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}
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/* ECMA-262 3rd Edition 15.8.2.12 */
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static HRESULT Math_min(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
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{
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DOUBLE min, d;
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VARIANT v;
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DWORD i;
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HRESULT hres;
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TRACE("\n");
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if(!arg_cnt(dp)) {
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if(retv)
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num_set_inf(retv, TRUE);
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return S_OK;
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}
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hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &v);
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if(FAILED(hres))
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return hres;
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min = num_val(&v);
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for(i=1; i < arg_cnt(dp); i++) {
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hres = to_number(dispex->ctx, get_arg(dp, i), ei, &v);
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if(FAILED(hres))
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return hres;
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d = num_val(&v);
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if(d < min || isnan(d))
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min = d;
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}
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if(retv)
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num_set_val(retv, min);
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return S_OK;
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}
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/* ECMA-262 3rd Edition 15.8.2.13 */
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static HRESULT Math_pow(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
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{
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VARIANT x, y;
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HRESULT hres;
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TRACE("\n");
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if(arg_cnt(dp) < 2) {
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FIXME("unimplemented arg_cnt %d\n", arg_cnt(dp));
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return E_NOTIMPL;
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}
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hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &x);
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if(FAILED(hres))
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return hres;
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hres = to_number(dispex->ctx, get_arg(dp, 1), ei, &y);
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if(FAILED(hres))
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return hres;
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if(retv)
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num_set_val(retv, pow(num_val(&x), num_val(&y)));
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return S_OK;
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}
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static HRESULT Math_random(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
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{
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FIXME("\n");
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return E_NOTIMPL;
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}
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/* ECMA-262 3rd Edition 15.8.2.15 */
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static HRESULT Math_round(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
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{
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VARIANT v;
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HRESULT hres;
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TRACE("\n");
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if(!arg_cnt(dp)) {
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FIXME("arg_cnt = 0\n");
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return E_NOTIMPL;
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}
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hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &v);
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if(FAILED(hres))
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return hres;
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if(retv)
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num_set_val(retv, floor(num_val(&v)+0.5));
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return S_OK;
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}
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static HRESULT Math_sin(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
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{
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FIXME("\n");
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return E_NOTIMPL;
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}
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static HRESULT Math_sqrt(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
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{
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FIXME("\n");
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return E_NOTIMPL;
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}
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static HRESULT Math_tan(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
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{
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FIXME("\n");
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return E_NOTIMPL;
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}
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static const builtin_prop_t Math_props[] = {
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{EW, Math_E, 0},
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{LN10W, Math_LN10, 0},
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{LN2W, Math_LN2, 0},
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{LOG10EW, Math_LOG10E, 0},
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{LOG2EW, Math_LOG2E, 0},
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{PIW, Math_PI, 0},
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{SQRT1_2W, Math_SQRT1_2, 0},
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{SQRT2W, Math_SQRT2, 0},
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{absW, Math_abs, PROPF_METHOD},
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{acosW, Math_acos, PROPF_METHOD},
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{asinW, Math_asin, PROPF_METHOD},
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{atanW, Math_atan, PROPF_METHOD},
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{atan2W, Math_atan2, PROPF_METHOD},
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{ceilW, Math_ceil, PROPF_METHOD},
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{cosW, Math_cos, PROPF_METHOD},
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{expW, Math_exp, PROPF_METHOD},
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{floorW, Math_floor, PROPF_METHOD},
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{logW, Math_log, PROPF_METHOD},
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{maxW, Math_max, PROPF_METHOD},
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{minW, Math_min, PROPF_METHOD},
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{powW, Math_pow, PROPF_METHOD},
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{randomW, Math_random, PROPF_METHOD},
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{roundW, Math_round, PROPF_METHOD},
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{sinW, Math_sin, PROPF_METHOD},
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{sqrtW, Math_sqrt, PROPF_METHOD},
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{tanW, Math_tan, PROPF_METHOD}
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};
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static const builtin_info_t Math_info = {
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JSCLASS_MATH,
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{NULL, NULL, 0},
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sizeof(Math_props)/sizeof(*Math_props),
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Math_props,
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NULL,
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NULL
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};
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HRESULT create_math(script_ctx_t *ctx, DispatchEx **ret)
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{
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return create_dispex(ctx, &Math_info, NULL, ret);
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}
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