internal static void EmitDecimal(this ILGenerator il, decimal value)
{
if (Decimal.Truncate(value) == value)
{
if (Int32.MinValue <= value && value <= Int32.MaxValue)
{
int intValue = Decimal.ToInt32(value);
il.EmitInt(intValue);
il.EmitNew(typeof(Decimal).GetConstructor(new Type[] { typeof(int) }));
}
else if (Int64.MinValue <= value && value <= Int64.MaxValue)
{
long longValue = Decimal.ToInt64(value);
il.EmitLong(longValue);
il.EmitNew(typeof(Decimal).GetConstructor(new Type[] { typeof(long) }));
}
else
{
il.EmitDecimalBits(value);
}
}
else
{
il.EmitDecimalBits(value);
}
}
private static void EmitDecimalBits(this ILGenerator il, decimal value)
{
int[] bits = Decimal.GetBits(value);
il.EmitInt(bits[0]);
il.EmitInt(bits[1]);
il.EmitInt(bits[2]);
il.EmitBoolean((bits[3] & 0x80000000) != 0);
il.EmitByte((byte)(bits[3] >> 16));
il.EmitNew(typeof(decimal).GetConstructor(new Type[] { typeof(int), typeof(int), typeof(int), typeof(bool), typeof(byte) }));
}
internal static void EmitNew(this ILGenerator il, Type type, Type[] paramTypes)
{
ConstructorInfo ci = type.GetConstructor(paramTypes);
il.EmitNew(ci);
}