/* * Copyright 2008 Jacek Caban for CodeWeavers * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include "config.h" #include "wine/port.h" #include #include #include "jscript.h" #include "ntsecapi.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(jscript); static const WCHAR EW[] = {'E',0}; static const WCHAR LOG2EW[] = {'L','O','G','2','E',0}; static const WCHAR LOG10EW[] = {'L','O','G','1','0','E',0}; static const WCHAR LN2W[] = {'L','N','2',0}; static const WCHAR LN10W[] = {'L','N','1','0',0}; static const WCHAR PIW[] = {'P','I',0}; static const WCHAR SQRT2W[] = {'S','Q','R','T','2',0}; static const WCHAR SQRT1_2W[] = {'S','Q','R','T','1','_','2',0}; static const WCHAR absW[] = {'a','b','s',0}; static const WCHAR acosW[] = {'a','c','o','s',0}; static const WCHAR asinW[] = {'a','s','i','n',0}; static const WCHAR atanW[] = {'a','t','a','n',0}; static const WCHAR atan2W[] = {'a','t','a','n','2',0}; static const WCHAR ceilW[] = {'c','e','i','l',0}; static const WCHAR cosW[] = {'c','o','s',0}; static const WCHAR expW[] = {'e','x','p',0}; static const WCHAR floorW[] = {'f','l','o','o','r',0}; static const WCHAR logW[] = {'l','o','g',0}; static const WCHAR maxW[] = {'m','a','x',0}; static const WCHAR minW[] = {'m','i','n',0}; static const WCHAR powW[] = {'p','o','w',0}; static const WCHAR randomW[] = {'r','a','n','d','o','m',0}; static const WCHAR roundW[] = {'r','o','u','n','d',0}; static const WCHAR sinW[] = {'s','i','n',0}; static const WCHAR sqrtW[] = {'s','q','r','t',0}; static const WCHAR tanW[] = {'t','a','n',0}; static HRESULT math_constant(DOUBLE val, WORD flags, VARIANT *retv) { switch(flags) { case DISPATCH_PROPERTYGET: V_VT(retv) = VT_R8; V_R8(retv) = val; return S_OK; case DISPATCH_PROPERTYPUT: return S_OK; } FIXME("unhandled flags %x\n", flags); return E_NOTIMPL; } /* ECMA-262 3rd Edition 15.8.1.1 */ static HRESULT Math_E(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { TRACE("\n"); return math_constant(M_E, flags, retv); } /* ECMA-262 3rd Edition 15.8.1.4 */ static HRESULT Math_LOG2E(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { TRACE("\n"); return math_constant(M_LOG2E, flags, retv); } /* ECMA-262 3rd Edition 15.8.1.4 */ static HRESULT Math_LOG10E(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { TRACE("\n"); return math_constant(M_LOG10E, flags, retv); } static HRESULT Math_LN2(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { TRACE("\n"); return math_constant(M_LN2, flags, retv); } static HRESULT Math_LN10(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { TRACE("\n"); return math_constant(M_LN10, flags, retv); } /* ECMA-262 3rd Edition 15.8.1.6 */ static HRESULT Math_PI(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { TRACE("\n"); return math_constant(M_PI, flags, retv); } static HRESULT Math_SQRT2(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { TRACE("\n"); return math_constant(M_SQRT2, flags, retv); } static HRESULT Math_SQRT1_2(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { TRACE("\n"); return math_constant(M_SQRT1_2, flags, retv); } /* ECMA-262 3rd Edition 15.8.2.12 */ static HRESULT Math_abs(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { VARIANT v; DOUBLE d; HRESULT hres; TRACE("\n"); if(!arg_cnt(dp)) { if(retv) num_set_nan(retv); return S_OK; } hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &v); if(FAILED(hres)) return hres; d = num_val(&v); if(retv) num_set_val(retv, d < 0.0 ? -d : d); return S_OK; } static HRESULT Math_acos(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { VARIANT v; HRESULT hres; TRACE("\n"); if(!arg_cnt(dp)) { if(retv) num_set_nan(retv); return S_OK; } hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &v); if(FAILED(hres)) return hres; if(retv) num_set_val(retv, acos(num_val(&v))); return S_OK; } static HRESULT Math_asin(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { VARIANT v; HRESULT hres; TRACE("\n"); if(!arg_cnt(dp)) { if(retv) num_set_nan(retv); return S_OK; } hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &v); if(FAILED(hres)) return hres; if(retv) num_set_val(retv, asin(num_val(&v))); return S_OK; } static HRESULT Math_atan(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { VARIANT v; HRESULT hres; TRACE("\n"); if(!arg_cnt(dp)) { if(retv) num_set_nan(retv); return S_OK; } hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &v); if(FAILED(hres)) return hres; if(retv) num_set_val(retv, atan(num_val(&v))); return S_OK; } static HRESULT Math_atan2(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { VARIANT v1, v2; HRESULT hres; TRACE("\n"); if(arg_cnt(dp)<2) { if(retv) num_set_nan(retv); return S_OK; } hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &v1); if(FAILED(hres)) return hres; hres = to_number(dispex->ctx, get_arg(dp, 1), ei, &v2); if(FAILED(hres)) return hres; if(retv) num_set_val(retv, atan2(num_val(&v1), num_val(&v2))); return S_OK; } /* ECMA-262 3rd Edition 15.8.2.6 */ static HRESULT Math_ceil(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { VARIANT v; HRESULT hres; TRACE("\n"); if(!arg_cnt(dp)) { if(retv) num_set_nan(retv); return S_OK; } hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &v); if(FAILED(hres)) return hres; if(retv) num_set_val(retv, ceil(num_val(&v))); return S_OK; } static HRESULT Math_cos(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { VARIANT v; HRESULT hres; TRACE("\n"); if(!arg_cnt(dp)) { if(retv) num_set_nan(retv); return S_OK; } hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &v); if(FAILED(hres)) return hres; if(retv) num_set_val(retv, cos(num_val(&v))); return S_OK; } static HRESULT Math_exp(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { VARIANT v; HRESULT hres; TRACE("\n"); if(!arg_cnt(dp)) { if(retv) num_set_nan(retv); return S_OK; } hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &v); if(FAILED(hres)) return hres; if(retv) num_set_val(retv, exp(num_val(&v))); return S_OK; } static HRESULT Math_floor(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { VARIANT v; HRESULT hres; TRACE("\n"); if(!arg_cnt(dp)) { if(retv) num_set_nan(retv); return S_OK; } hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &v); if(FAILED(hres)) return hres; if(retv) num_set_val(retv, floor(num_val(&v))); return S_OK; } static HRESULT Math_log(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { VARIANT v; HRESULT hres; TRACE("\n"); if(!arg_cnt(dp)) { if(retv) num_set_nan(retv); return S_OK; } hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &v); if(FAILED(hres)) return hres; if(retv) num_set_val(retv, log(num_val(&v))); return S_OK; } /* ECMA-262 3rd Edition 15.8.2.11 */ static HRESULT Math_max(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { DOUBLE max, d; VARIANT v; DWORD i; HRESULT hres; TRACE("\n"); if(!arg_cnt(dp)) { if(retv) num_set_inf(retv, FALSE); return S_OK; } hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &v); if(FAILED(hres)) return hres; max = num_val(&v); for(i=1; i < arg_cnt(dp); i++) { hres = to_number(dispex->ctx, get_arg(dp, i), ei, &v); if(FAILED(hres)) return hres; d = num_val(&v); if(d > max || isnan(d)) max = d; } if(retv) num_set_val(retv, max); return S_OK; } /* ECMA-262 3rd Edition 15.8.2.12 */ static HRESULT Math_min(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { DOUBLE min, d; VARIANT v; DWORD i; HRESULT hres; TRACE("\n"); if(!arg_cnt(dp)) { if(retv) num_set_inf(retv, TRUE); return S_OK; } hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &v); if(FAILED(hres)) return hres; min = num_val(&v); for(i=1; i < arg_cnt(dp); i++) { hres = to_number(dispex->ctx, get_arg(dp, i), ei, &v); if(FAILED(hres)) return hres; d = num_val(&v); if(d < min || isnan(d)) min = d; } if(retv) num_set_val(retv, min); return S_OK; } /* ECMA-262 3rd Edition 15.8.2.13 */ static HRESULT Math_pow(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { VARIANT x, y; HRESULT hres; TRACE("\n"); if(arg_cnt(dp) < 2) { if(retv) num_set_nan(retv); return S_OK; } hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &x); if(FAILED(hres)) return hres; hres = to_number(dispex->ctx, get_arg(dp, 1), ei, &y); if(FAILED(hres)) return hres; if(retv) num_set_val(retv, pow(num_val(&x), num_val(&y))); return S_OK; } /* ECMA-262 3rd Edition 15.8.2.14 */ static HRESULT Math_random(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { UINT r; TRACE("\n"); if(!RtlGenRandom(&r, sizeof(r))) return E_UNEXPECTED; if(retv) num_set_val(retv, (DOUBLE)r/(DOUBLE)UINT_MAX); return S_OK; } /* ECMA-262 3rd Edition 15.8.2.15 */ static HRESULT Math_round(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { VARIANT v; HRESULT hres; TRACE("\n"); if(!arg_cnt(dp)) { num_set_nan(retv); return S_OK; } hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &v); if(FAILED(hres)) return hres; if(retv) num_set_val(retv, floor(num_val(&v)+0.5)); return S_OK; } static HRESULT Math_sin(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { VARIANT v; HRESULT hres; TRACE("\n"); if(!arg_cnt(dp)) { if(retv) num_set_nan(retv); return S_OK; } hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &v); if(FAILED(hres)) return hres; if(retv) num_set_val(retv, sin(num_val(&v))); return S_OK; } static HRESULT Math_sqrt(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { VARIANT v; HRESULT hres; TRACE("\n"); if(!arg_cnt(dp)) { if(retv) num_set_nan(retv); return S_OK; } hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &v); if(FAILED(hres)) return hres; if(retv) num_set_val(retv, sqrt(num_val(&v))); return S_OK; } static HRESULT Math_tan(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { VARIANT v; HRESULT hres; TRACE("\n"); if(!arg_cnt(dp)) { if(retv) num_set_nan(retv); return S_OK; } hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &v); if(FAILED(hres)) return hres; if(retv) num_set_val(retv, tan(num_val(&v))); return S_OK; } static const builtin_prop_t Math_props[] = { {EW, Math_E, 0}, {LN10W, Math_LN10, 0}, {LN2W, Math_LN2, 0}, {LOG10EW, Math_LOG10E, 0}, {LOG2EW, Math_LOG2E, 0}, {PIW, Math_PI, 0}, {SQRT1_2W, Math_SQRT1_2, 0}, {SQRT2W, Math_SQRT2, 0}, {absW, Math_abs, PROPF_METHOD}, {acosW, Math_acos, PROPF_METHOD}, {asinW, Math_asin, PROPF_METHOD}, {atanW, Math_atan, PROPF_METHOD}, {atan2W, Math_atan2, PROPF_METHOD}, {ceilW, Math_ceil, PROPF_METHOD}, {cosW, Math_cos, PROPF_METHOD}, {expW, Math_exp, PROPF_METHOD}, {floorW, Math_floor, PROPF_METHOD}, {logW, Math_log, PROPF_METHOD}, {maxW, Math_max, PROPF_METHOD}, {minW, Math_min, PROPF_METHOD}, {powW, Math_pow, PROPF_METHOD}, {randomW, Math_random, PROPF_METHOD}, {roundW, Math_round, PROPF_METHOD}, {sinW, Math_sin, PROPF_METHOD}, {sqrtW, Math_sqrt, PROPF_METHOD}, {tanW, Math_tan, PROPF_METHOD} }; 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, DispatchEx **ret) { return create_dispex(ctx, &Math_info, NULL, ret); }