report.cs

C#编译器源代码。Micorsoft开放源代码

			extra_information.Add (String.Format ("{0}: `{1}', name of symbol related to previous ", loc, symbol));
		}

		public static void ExtraInformation (Location loc, string msg)
		{
			extra_information.Add (String.Format ("{0} {1}", loc, msg));
		}

		public static WarningRegions RegisterWarningRegion (Location location)
		{
			if (warning_regions_table == null)
				warning_regions_table = new Hashtable ();

			WarningRegions regions = (WarningRegions)warning_regions_table [location.Name];
			if (regions == null) {
				regions = new WarningRegions ();
				warning_regions_table.Add (location.Name, regions);
			}
			return regions;
		}

		static public void Warning (int code, int level, Location loc, string format, params object[] args)
		{
			WarningMessage w = new WarningMessage (level);
			w.Print (code, loc, String.Format (format, args));
		}

		static public void Warning (int code, Location loc, string format, params object[] args)
		{
			WarningMessage w = new WarningMessage ();
			w.Print (code, loc, String.Format (format, args));
		}

		static public void Warning (int code, string format, params object[] args)
		{
			Warning (code, Location.Null, String.Format (format, args));
		}

		/// <summary>
		/// Did you test your WarningLevel, that you use this method
		/// </summary>
		static public void Warning (int code, string text)
		{
			Warning (code, Location.Null, text);
		}

		static public void Error (int code, string format, params object[] args)
		{
			Error (code, Location.Null, String.Format (format, args));
		}

		static public void Error (int code, Location loc, string format, params object[] args)
		{
			Error (code, loc, String.Format (format, args));
		}

		static public void Error (int code, Location loc, string error)
		{
			new ErrorMessage ().Print (code, loc, error);
		}

		static public void SetIgnoreWarning (int code)
		{
			if (warning_ignore_table == null)
				warning_ignore_table = new Hashtable ();

			warning_ignore_table [code] = true;
		}
		
		static public int ExpectedError {
			set {
				expected_error = value;
			}
			get {
				return expected_error;
			}
		}

		public static int DebugFlags = 0;

		[Conditional ("MCS_DEBUG")]
		static public void Debug (string message, params object[] args)
		{
			Debug (4, message, args);
		}
			
		[Conditional ("MCS_DEBUG")]
		static public void Debug (int category, string message, params object[] args)
		{
			if ((category & DebugFlags) == 0)
				return;

			StringBuilder sb = new StringBuilder (message);

			if ((args != null) && (args.Length > 0)) {
				sb.Append (": ");

				bool first = true;
				foreach (object arg in args) {
					if (first)
						first = false;
					else
						sb.Append (", ");
					if (arg == null)
						sb.Append ("null");
					else if (arg is ICollection)
						sb.Append (PrintCollection ((ICollection) arg));
					else
						sb.Append (arg);
				}
			}

			Console.WriteLine (sb.ToString ());
		}

		static public string PrintCollection (ICollection collection)
		{
			StringBuilder sb = new StringBuilder ();

			sb.Append (collection.GetType ());
			sb.Append ("(");

			bool first = true;
			foreach (object o in collection) {
				if (first)
					first = false;
				else
					sb.Append (", ");
				sb.Append (o);
			}

			sb.Append (")");
			return sb.ToString ();
		}
	}

	public enum TimerType {
		FindMembers	= 0,
		TcFindMembers	= 1,
		MemberLookup	= 2,
		CachedLookup	= 3,
		CacheInit	= 4,
		MiscTimer	= 5,
		CountTimers	= 6
	}

	public enum CounterType {
		FindMembers	= 0,
		MemberCache	= 1,
		MiscCounter	= 2,
		CountCounters	= 3
	}

	public class Timer
	{
		static DateTime[] timer_start;
		static TimeSpan[] timers;
		static long[] timer_counters;
		static long[] counters;

		static Timer ()
		{
			timer_start = new DateTime [(int) TimerType.CountTimers];
			timers = new TimeSpan [(int) TimerType.CountTimers];
			timer_counters = new long [(int) TimerType.CountTimers];
			counters = new long [(int) CounterType.CountCounters];

			for (int i = 0; i < (int) TimerType.CountTimers; i++) {
				timer_start [i] = DateTime.Now;
				timers [i] = TimeSpan.Zero;
			}
		}

		[Conditional("TIMER")]
		static public void IncrementCounter (CounterType which)
		{
			++counters [(int) which];
		}

		[Conditional("TIMER")]
		static public void StartTimer (TimerType which)
		{
			timer_start [(int) which] = DateTime.Now;
		}

		[Conditional("TIMER")]
		static public void StopTimer (TimerType which)
		{
			timers [(int) which] += DateTime.Now - timer_start [(int) which];
			++timer_counters [(int) which];
		}

		[Conditional("TIMER")]
		static public void ShowTimers ()
		{
			ShowTimer (TimerType.FindMembers, "- FindMembers timer");
			ShowTimer (TimerType.TcFindMembers, "- TypeContainer.FindMembers timer");
			ShowTimer (TimerType.MemberLookup, "- MemberLookup timer");
			ShowTimer (TimerType.CachedLookup, "- CachedLookup timer");
			ShowTimer (TimerType.CacheInit, "- Cache init");
			ShowTimer (TimerType.MiscTimer, "- Misc timer");

			ShowCounter (CounterType.FindMembers, "- Find members");
			ShowCounter (CounterType.MemberCache, "- Member cache");
			ShowCounter (CounterType.MiscCounter, "- Misc counter");
		}

		static public void ShowCounter (CounterType which, string msg)
		{
			Console.WriteLine ("{0} {1}", counters [(int) which], msg);
		}

		static public void ShowTimer (TimerType which, string msg)
		{
			Console.WriteLine (
				"[{0:00}:{1:000}] {2} (used {3} times)",
				(int) timers [(int) which].TotalSeconds,
				timers [(int) which].Milliseconds, msg,
				timer_counters [(int) which]);
		}
	}

	public class InternalErrorException : Exception {
		public InternalErrorException ()
			: base ("Internal error")
		{
		}

		public InternalErrorException (string message)
			: base (message)
		{
		}
	}

	/// <summary>
	/// Handles #pragma warning
	/// </summary>
	public class WarningRegions {

		abstract class PragmaCmd
		{
			public int Line;

			protected PragmaCmd (int line)
			{
				Line = line;
			}

			public abstract bool IsEnabled (int code, bool previous);
		}
		
		class Disable : PragmaCmd
		{
			int code;
			public Disable (int line, int code)
				: base (line)
			{
				this.code = code;
			}

			public override bool IsEnabled (int code, bool previous)
			{
				return this.code == code ? false : previous;
			}
		}

		class DisableAll : PragmaCmd
		{
			public DisableAll (int line)
				: base (line) {}

			public override bool IsEnabled(int code, bool previous)
			{
				return false;
			}
		}

		class Enable : PragmaCmd
		{
			int code;
			public Enable (int line, int code)
				: base (line)
			{
				this.code = code;
			}

			public override bool IsEnabled(int code, bool previous)
			{
				return this.code == code ? true : previous;
			}
		}

		class EnableAll : PragmaCmd
		{
			public EnableAll (int line)
				: base (line) {}

			public override bool IsEnabled(int code, bool previous)
			{
				return true;
			}
		}


		ArrayList regions = new ArrayList ();

		public void WarningDisable (int line)
		{
			regions.Add (new DisableAll (line));
		}

		public void WarningDisable (Location location, int code)
		{
			if (CheckWarningCode (code, location))
				regions.Add (new Disable (location.Row, code));
		}

		public void WarningEnable (int line)
		{
			regions.Add (new EnableAll (line));
		}

		public void WarningEnable (Location location, int code)
		{
			if (CheckWarningCode (code, location))
				regions.Add (new Enable (location.Row, code));
		}

		public bool IsWarningEnabled (int code, int src_line)
		{
			bool result = true;
			foreach (PragmaCmd pragma in regions) {
				if (src_line < pragma.Line)
					break;

				result = pragma.IsEnabled (code, result);
			}
			return result;
		}

		bool CheckWarningCode (int code, Location loc)
		{
			if (Report.IsValidWarning (code))
				return true;

			Report.Warning (1691, 1, loc, "`{0}' is not a valid warning number", code);
			return false;
		}
	}
}