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jscript: Use generic object constants for Math constants.

This commit is contained in:
Jacek Caban 2010-07-27 11:53:49 +02:00 committed by Alexandre Julliard
parent 922efb88bb
commit e81811b3a0
1 changed files with 26 additions and 83 deletions
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109
dlls/jscript/math.c
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@ -57,81 +57,6 @@ 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(script_ctx_t *ctx, vdisp_t *jsthis, 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(script_ctx_t *ctx, vdisp_t *jsthis, 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(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
TRACE("\n");
return math_constant(M_LOG10E, flags, retv);
}
static HRESULT Math_LN2(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
TRACE("\n");
return math_constant(M_LN2, flags, retv);
}
static HRESULT Math_LN10(script_ctx_t *ctx, vdisp_t *jsthis, 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(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
TRACE("\n");
return math_constant(M_PI, flags, retv);
}
static HRESULT Math_SQRT2(script_ctx_t *ctx, vdisp_t *jsthis, 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(script_ctx_t *ctx, vdisp_t *jsthis, 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(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
@ -563,14 +488,6 @@ static HRESULT Math_tan(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARA
}
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|1},
{acosW, Math_acos, PROPF_METHOD|1},
{asinW, Math_asin, PROPF_METHOD|1},
@ -603,8 +520,24 @@ static const builtin_info_t Math_info = {
HRESULT create_math(script_ctx_t *ctx, DispatchEx **ret)
{
DispatchEx *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(DispatchEx));
if(!math)
return E_OUTOFMEMORY;
@ -615,6 +548,16 @@ HRESULT create_math(script_ctx_t *ctx, DispatchEx **ret)
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;
}