Report.cs

using System;
using System.Linq;

namespace MonoDroid.Generation
{
	public class Report
	{
		public const int ErrorEnumMap = 0x4000;
		public const int ErrorEnumMapping = 0x4100;
		public const int ErrorParser = 0x4200;
		public const int ErrorApiFixup = 0x4300;
		public const int ErrorCodeGenerator = 0x4400;
		public const int WarningClassGen = 0x8100;
		public const int WarningCodeGenerator = 0x8200;
		public const int WarningCtor = 0x8300;
		public const int WarningField = 0x8400;
		public const int WarningFieldNameCollision = 0x8401;
		public const int WarningDuplicateField = 0x8402;
		public const int WarningInterfaceGen = 0x8500;
		public const int WarningParser = 0x8600;
		public const int WarningReturnValue = 0x8700;
		public const int WarningParameter = 0x8800;
		public const int WarningGenBaseSupport = 0x8900;
		public const int WarningApiFixup = 0x8A00;
		public const int WarningGenericParameterDefinition = 0x8B00;
		public const int WarningGenBase = 0x8C00;
		public const int WarningMethodBase = 0x8D00;
		public const int WarningAnnotationsProvider = 0x8E00;

		public static int? Verbosity { get; set; }

		public static void Error (int errorCode, string format, params object[] args)
		{
			Error (errorCode, null, format, args);
		}
		
		public static void Error (int errorCode, Exception innerException, string format, params object[] args)
		{
			throw new BindingGeneratorException (errorCode, string.Format (format, args), innerException);
		}
		
		public static void Warning (int verbosity, int errorCode, string format, params object[] args)
		{
			Warning (verbosity, errorCode, null, format, args);
		}
		
		public static void Warning (int verbosity, int errorCode, Exception innerException, string format, params object[] args)
		{
			if (verbosity > (Verbosity ?? 0))
				return;
			string supp = innerException != null ? "  For details, see verbose output." : null;
			Console.Error.WriteLine (Format (false, errorCode, format, args) + supp);
			if (innerException != null)
				Console.Error.WriteLine (innerException);
		}
		
		public static void Verbose (int verbosity, string format, params object[] args)
		{
			if (verbosity > (Verbosity ?? 0))
				return;
			Console.Error.WriteLine (format, args);
		}
		
		public static string Format (bool error, int errorCode, string format, params object[] args)
		{
			return string.Format ("{0}{1} BG{2:X04}: ", "" /* origin? */, error ? "error" : "warning", errorCode) +
				string.Format (format, args);
		}
	}
	
	public class BindingGeneratorException : Exception
	{
		public BindingGeneratorException (int errorCode, string message)
			: this (errorCode, message, null)
		{
		}
		public BindingGeneratorException (int errorCode, string message, Exception innerException)
			: base (Report.Format (true, errorCode, message), innerException)
		{
		}
	}
}