private static LiteralElement CreateImplicitReal(string image, IServiceProvider services)
{
var options = (ExpressionOptions)services.GetService(typeof(ExpressionOptions));
LiteralElement createImplicitReal = null;
switch (options.RealLiteralDataType)
{
case RealLiteralDataType.Single:
createImplicitReal = SingleLiteralElement.Parse(image, services);
break;
case RealLiteralDataType.Double:
createImplicitReal = DoubleLiteralElement.Parse(image, services);
break;
case RealLiteralDataType.Decimal:
createImplicitReal = DecimalLiteralElement.Parse(image, services);
break;
default:
Debug.Fail("Unknown value");
break;
}
return(createImplicitReal);
}
private static void EmitLiteral(FieldInfo fi, FleeIlGenerator ilg, IServiceProvider services)
{
var value = RuntimeHelpers.GetObjectValue(fi.GetValue(null));
var t = value.GetType();
LiteralElement elem;
switch (Type.GetTypeCode(t))
{
case TypeCode.Boolean:
elem = new BooleanLiteralElement((bool)value);
goto IL_F4;
case TypeCode.Char:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
elem = new Int32LiteralElement(Convert.ToInt32(RuntimeHelpers.GetObjectValue(value)));
goto IL_F4;
case TypeCode.UInt32:
elem = new UInt32LiteralElement((uint)value);
goto IL_F4;
case TypeCode.Int64:
elem = new Int64LiteralElement((long)value);
goto IL_F4;
case TypeCode.UInt64:
elem = new UInt64LiteralElement((ulong)value);
goto IL_F4;
case TypeCode.Single:
elem = new SingleLiteralElement((float)value);
goto IL_F4;
case TypeCode.Double:
elem = new DoubleLiteralElement((double)value);
goto IL_F4;
case TypeCode.String:
elem = new StringLiteralElement((string)value);
goto IL_F4;
}
elem = null;
Debug.Fail("Unsupported constant type");
IL_F4:
elem.Emit(ilg, services);
}
private static SingleLiteralElement CreateSingle(string image, IServiceProvider services)
{
var flag = image.EndsWith("f", StringComparison.OrdinalIgnoreCase);
SingleLiteralElement createSingle;
if (flag)
{
image = image.Remove(image.Length - 1);
createSingle = SingleLiteralElement.Parse(image, services);
}
else
{
createSingle = null;
}
return(createSingle);
}
public static SingleLiteralElement Parse(string image, IServiceProvider services)
{
var options = (ExpressionParserOptions)services.GetService(typeof(ExpressionParserOptions));
var element = new SingleLiteralElement();
SingleLiteralElement parse;
try
{
var value = options.ParseSingle(image);
parse = new SingleLiteralElement(value);
}
catch (OverflowException expr_2F)
{
ProjectData.SetProjectError(expr_2F);
element.OnParseOverflow(image);
parse = null;
ProjectData.ClearProjectError();
}
return(parse);
}