/// <summary>
/// Convert the given argument if it does not match the target type.
/// </summary>
private static void ConvertIfNeeded(AstExpression arg, XTypeReference targetType)
{
var argType = arg.GetResultType();
if (!targetType.IsSame(argType))
{
if (targetType.IsChar())
{
if (argType.IsUInt16() || argType.IsByte()) Convert(arg, AstCode.Conv_U2, targetType);
}
else if (targetType.IsUInt16())
{
if (argType.IsChar() || argType.IsByte()) Convert(arg, AstCode.Int_to_ushort, targetType);
}
else if (targetType.IsInt16())
{
if (argType.IsChar() || argType.IsByte()) Convert(arg, AstCode.Conv_I2, targetType);
}
}
}
/// <summary>
/// Returns the method name when converting an array to an IEnumerableT in compiler helper.
///
/// (not sure if this is the best place for this method...)
/// </summary>
public static string GetAsEnumerableTMethodName(XTypeReference sourceArrayElementType)
{
var convertMethodName = "AsObjectEnumerable";
if (sourceArrayElementType.IsPrimitive)
{
if (sourceArrayElementType.IsBoolean()) convertMethodName = "AsBoolEnumerable";
else if (sourceArrayElementType.IsByte()) convertMethodName = "AsByteEnumerable";
else if (sourceArrayElementType.IsSByte()) convertMethodName = "AsSByteEnumerable";
else if (sourceArrayElementType.IsChar()) convertMethodName = "AsCharEnumerable";
else if (sourceArrayElementType.IsInt16()) convertMethodName = "AsInt16Enumerable";
else if (sourceArrayElementType.IsUInt16()) convertMethodName = "AsUInt16Enumerable";
else if (sourceArrayElementType.IsInt32()) convertMethodName = "AsInt32Enumerable";
else if (sourceArrayElementType.IsUInt32()) convertMethodName = "AsUInt32Enumerable";
else if (sourceArrayElementType.IsInt64()) convertMethodName = "AsInt64Enumerable";
else if (sourceArrayElementType.IsFloat()) convertMethodName = "AsFloatEnumerable";
else if (sourceArrayElementType.IsDouble()) convertMethodName = "AsDoubleEnumerable";
else throw new ArgumentOutOfRangeException("Unknown primitive array element type " + sourceArrayElementType);
}
return convertMethodName;
}
/// <summary>
/// Generate an Add opcode.
/// </summary>
private static RCode OpcodeForType(XTypeReference type, RCode[] opcodes)
{
if (type.IsInt32() || type.IsUInt32() || type.IsInt16() || type.IsUInt16() || type.IsChar() || type.IsByte() || type.IsSByte() || type.IsBoolean()) return opcodes[0];
if (type.IsInt64() || type.IsUInt64()) return opcodes[1];
if (type.IsFloat()) return opcodes[2];
if (type.IsDouble()) return opcodes[3];
XTypeDefinition typeDef;
if (type.TryResolve(out typeDef))
{
if (typeDef.IsEnum)
{
return OpcodeForType(typeDef.GetEnumUnderlyingType(), opcodes);
}
}
throw new ArgumentException("Unsupported type " + type);
}
