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564 lines
14 KiB
C
564 lines
14 KiB
C
/*
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* Copyright 2008 Jacek Caban for CodeWeavers
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* Copyright 2009 Piotr Caban
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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 <limits.h>
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#include "jscript.h"
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#include "ntsecapi.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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/* ECMA-262 3rd Edition 15.8.2.12 */
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static HRESULT Math_abs(script_ctx_t *ctx, vdisp_t *jsthis, 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(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(script_ctx_t *ctx, vdisp_t *jsthis, 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) num_set_nan(retv);
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return S_OK;
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}
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hres = to_number(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) num_set_val(retv, acos(num_val(&v)));
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return S_OK;
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}
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static HRESULT Math_asin(script_ctx_t *ctx, vdisp_t *jsthis, 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) num_set_nan(retv);
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return S_OK;
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}
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hres = to_number(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) num_set_val(retv, asin(num_val(&v)));
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return S_OK;
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}
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static HRESULT Math_atan(script_ctx_t *ctx, vdisp_t *jsthis, 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) num_set_nan(retv);
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return S_OK;
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}
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hres = to_number(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) num_set_val(retv, atan(num_val(&v)));
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return S_OK;
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}
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static HRESULT Math_atan2(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
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{
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VARIANT v1, v2;
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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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if(retv) num_set_nan(retv);
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return S_OK;
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}
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hres = to_number(ctx, get_arg(dp, 0), ei, &v1);
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if(FAILED(hres))
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return hres;
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hres = to_number(ctx, get_arg(dp, 1), ei, &v2);
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if(FAILED(hres))
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return hres;
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if(retv) num_set_val(retv, atan2(num_val(&v1), num_val(&v2)));
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return S_OK;
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}
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/* ECMA-262 3rd Edition 15.8.2.6 */
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static HRESULT Math_ceil(script_ctx_t *ctx, vdisp_t *jsthis, 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(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(script_ctx_t *ctx, vdisp_t *jsthis, 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) num_set_nan(retv);
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return S_OK;
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}
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hres = to_number(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) num_set_val(retv, cos(num_val(&v)));
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return S_OK;
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}
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static HRESULT Math_exp(script_ctx_t *ctx, vdisp_t *jsthis, 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) num_set_nan(retv);
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return S_OK;
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}
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hres = to_number(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) num_set_val(retv, exp(num_val(&v)));
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return S_OK;
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}
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static HRESULT Math_floor(script_ctx_t *ctx, vdisp_t *jsthis, 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(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(script_ctx_t *ctx, vdisp_t *jsthis, 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(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, log(num_val(&v)));
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return S_OK;
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}
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/* ECMA-262 3rd Edition 15.8.2.11 */
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static HRESULT Math_max(script_ctx_t *ctx, vdisp_t *jsthis, 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(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(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(script_ctx_t *ctx, vdisp_t *jsthis, 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(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(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(script_ctx_t *ctx, vdisp_t *jsthis, 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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if(retv) num_set_nan(retv);
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return S_OK;
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}
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hres = to_number(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(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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/* ECMA-262 3rd Edition 15.8.2.14 */
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static HRESULT Math_random(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
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VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
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{
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UINT r;
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TRACE("\n");
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if(!RtlGenRandom(&r, sizeof(r)))
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return E_UNEXPECTED;
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if(retv)
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num_set_val(retv, (DOUBLE)r/(DOUBLE)UINT_MAX);
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return S_OK;
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}
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/* ECMA-262 3rd Edition 15.8.2.15 */
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static HRESULT Math_round(script_ctx_t *ctx, vdisp_t *jsthis, 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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num_set_nan(retv);
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return S_OK;
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}
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hres = to_number(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(script_ctx_t *ctx, vdisp_t *jsthis, 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) num_set_nan(retv);
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return S_OK;
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}
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hres = to_number(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) num_set_val(retv, sin(num_val(&v)));
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return S_OK;
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}
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static HRESULT Math_sqrt(script_ctx_t *ctx, vdisp_t *jsthis, 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) num_set_nan(retv);
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return S_OK;
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}
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hres = to_number(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) num_set_val(retv, sqrt(num_val(&v)));
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return S_OK;
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}
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static HRESULT Math_tan(script_ctx_t *ctx, vdisp_t *jsthis, 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) num_set_nan(retv);
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return S_OK;
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}
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hres = to_number(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) num_set_val(retv, tan(num_val(&v)));
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return S_OK;
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}
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static const builtin_prop_t Math_props[] = {
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{absW, Math_abs, PROPF_METHOD|1},
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{acosW, Math_acos, PROPF_METHOD|1},
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{asinW, Math_asin, PROPF_METHOD|1},
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{atanW, Math_atan, PROPF_METHOD|1},
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{atan2W, Math_atan2, PROPF_METHOD|2},
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{ceilW, Math_ceil, PROPF_METHOD|1},
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{cosW, Math_cos, PROPF_METHOD|1},
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{expW, Math_exp, PROPF_METHOD|1},
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{floorW, Math_floor, PROPF_METHOD|1},
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{logW, Math_log, PROPF_METHOD|1},
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{maxW, Math_max, PROPF_METHOD|2},
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{minW, Math_min, PROPF_METHOD|2},
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{powW, Math_pow, PROPF_METHOD|2},
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{randomW, Math_random, PROPF_METHOD},
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{roundW, Math_round, PROPF_METHOD|1},
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{sinW, Math_sin, PROPF_METHOD|1},
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|
{sqrtW, Math_sqrt, PROPF_METHOD|1},
|
|
{tanW, Math_tan, PROPF_METHOD|1}
|
|
};
|
|
|
|
static const builtin_info_t Math_info = {
|
|
JSCLASS_MATH,
|
|
{NULL, NULL, 0},
|
|
sizeof(Math_props)/sizeof(*Math_props),
|
|
Math_props,
|
|
NULL,
|
|
NULL
|
|
};
|
|
|
|
HRESULT create_math(script_ctx_t *ctx, jsdisp_t **ret)
|
|
{
|
|
jsdisp_t *math;
|
|
unsigned i;
|
|
VARIANT v;
|
|
HRESULT hres;
|
|
|
|
struct {
|
|
const WCHAR *name;
|
|
DOUBLE val;
|
|
}constants[] = {
|
|
{EW, M_E}, /* ECMA-262 3rd Edition 15.8.1.1 */
|
|
{LN10W, M_LN10}, /* ECMA-262 3rd Edition 15.8.1.2 */
|
|
{LN2W, M_LN2}, /* ECMA-262 3rd Edition 15.8.1.3 */
|
|
{LOG2EW, M_LOG2E}, /* ECMA-262 3rd Edition 15.8.1.4 */
|
|
{LOG10EW, M_LOG10E}, /* ECMA-262 3rd Edition 15.8.1.5 */
|
|
{PIW, M_PI}, /* ECMA-262 3rd Edition 15.8.1.6 */
|
|
{SQRT1_2W, M_SQRT1_2}, /* ECMA-262 3rd Edition 15.8.1.7 */
|
|
{SQRT2W, M_SQRT2}, /* ECMA-262 3rd Edition 15.8.1.8 */
|
|
};
|
|
|
|
math = heap_alloc_zero(sizeof(jsdisp_t));
|
|
if(!math)
|
|
return E_OUTOFMEMORY;
|
|
|
|
hres = init_dispex_from_constr(math, ctx, &Math_info, ctx->object_constr);
|
|
if(FAILED(hres)) {
|
|
heap_free(math);
|
|
return hres;
|
|
}
|
|
|
|
V_VT(&v) = VT_R8;
|
|
for(i=0; i < sizeof(constants)/sizeof(*constants); i++) {
|
|
V_R8(&v) = constants[i].val;
|
|
hres = jsdisp_propput_const(math, constants[i].name, &v);
|
|
if(FAILED(hres)) {
|
|
jsdisp_release(math);
|
|
return hres;
|
|
}
|
|
}
|
|
|
|
*ret = math;
|
|
return S_OK;
|
|
}
|