public virtual bool TryGetConstValueWithCast(CppTypeName cast, out object value)
{
if (!TryGetConstValue(out value))
{
return(false);
}
var type = ProjectConverter.GetConstValueType(value);
if (type == cast)
{
return(true);
}
if (P.IsArithmeticType(type) && P.IsArithmeticType(cast))
{
var NumberConverter = new Dictionary <CppTypeName, Func <object, object> > {
{ ProjectConverter.CppTypeName_Byte, x => Convert.ToByte(x) },
{ ProjectConverter.CppTypeName_Short, x => Convert.ToInt16(x) },
{ ProjectConverter.CppTypeName_Int, x => Convert.ToInt32(x) },
{ ProjectConverter.CppTypeName_Long, x => Convert.ToInt64(x) },
{ ProjectConverter.CppTypeName_Float, x => Convert.ToSingle(x) },
{ ProjectConverter.CppTypeName_Double, x => Convert.ToDouble(x) },
};
if (NumberConverter.TryGetValue(cast, out var converter))
{
value = converter(value);
return(true);
}
}
return(false);
}
public override CppTypeName GetResultType()
{
if (!TryGetConstValue(out var v))
{
throw new Exception();
}
return(ProjectConverter.GetConstValueType(v));
}
public virtual bool TryGetConstValueWithCast(CppTypeName cast, out object value)
{
if (!TryGetConstValue(out value))
{
return(false);
}
var type = ProjectConverter.GetConstValueType(value);
if (type == cast)
{
return(true); //FIXME 类型自动转换
}
return(false);
}