explicit LooseEqualityData(JSContext* cx)
: qNaN(cx),
sNaN(cx),
d42(cx),
i42(cx),
undef(cx),
null(cx),
obj(cx),
poszero(cx),
negzero(cx)
{
qNaN = JS::CanonicalizedDoubleValue(numeric_limits<double>::quiet_NaN());
sNaN = JS::CanonicalizedDoubleValue(numeric_limits<double>::signaling_NaN());
d42 = JS::DoubleValue(42.0);
i42 = JS::Int32Value(42);
undef = JS::UndefinedValue();
null = JS::NullValue();
obj = JS::ObjectOrNullValue(JS::CurrentGlobalOrNull(cx));
poszero = JS::DoubleValue(0.0);
negzero = JS::DoubleValue(-0.0);
#ifdef XP_WIN
# define copysign _copysign
#endif
MOZ_RELEASE_ASSERT(copysign(1.0, poszero.toDouble()) == 1.0);
MOZ_RELEASE_ASSERT(copysign(1.0, negzero.toDouble()) == -1.0);
#ifdef XP_WIN
# undef copysign
#endif
}
explicit LooseEqualityData(JSContext *cx)
: qNaN(cx),
sNaN(cx),
d42(cx),
i42(cx),
undef(cx),
null(cx),
obj(cx),
poszero(cx),
negzero(cx)
{
qNaN = DOUBLE_TO_JSVAL(numeric_limits<double>::quiet_NaN());
sNaN = DOUBLE_TO_JSVAL(numeric_limits<double>::signaling_NaN());
d42 = DOUBLE_TO_JSVAL(42.0);
i42 = INT_TO_JSVAL(42);
undef = JSVAL_VOID;
null = JSVAL_NULL;
obj = OBJECT_TO_JSVAL(JS::CurrentGlobalOrNull(cx));
poszero = DOUBLE_TO_JSVAL(0.0);
negzero = DOUBLE_TO_JSVAL(-0.0);
#ifdef XP_WIN
# define copysign _copysign
#endif
JS_ASSERT(copysign(1.0, poszero.toDouble()) == 1.0);
JS_ASSERT(copysign(1.0, negzero.toDouble()) == -1.0);
#ifdef XP_WIN
# undef copysign
#endif
}
JSBool JSI_GUIMouse::construct(JSContext* cx, uint argc, jsval* vp)
{
JSObject* obj = JS_NewObject(cx, &JSI_GUIMouse::JSI_class, NULL, NULL);
if (argc == 3)
{
JS::RootedValue v0(cx, JS_ARGV(cx, vp)[0]);
JS::RootedValue v1(cx, JS_ARGV(cx, vp)[1]);
JS::RootedValue v2(cx, JS_ARGV(cx, vp)[2]);
JS_SetProperty(cx, obj, "x", v0.address());
JS_SetProperty(cx, obj, "y", v1.address());
JS_SetProperty(cx, obj, "buttons", v2.address());
}
else
{
JS::RootedValue zero (cx, JS::NumberValue(0));
JS_SetProperty(cx, obj, "x", zero.address());
JS_SetProperty(cx, obj, "y", zero.address());
JS_SetProperty(cx, obj, "buttons", zero.address());
}
JS_SET_RVAL(cx, vp, OBJECT_TO_JSVAL(obj));
return JS_TRUE;
}