// (C) 2001 Ximian, Inc. (http://www.ximian.com)
//
+//
+// FIXME: currently our class library does not support custom number format strings
+//
using System;
+using System.Text;
+using System.Collections;
+using System.Collections.Specialized;
+using System.Diagnostics;
+using System.Reflection;
-namespace CIR {
+namespace Mono.CSharp {
+ /// <summary>
+ /// This class is used to report errors and warnings t te user.
+ /// </summary>
public class Report {
- int errors;
- int warnings;
- bool fatal;
+ /// <summary>
+ /// Errors encountered so far
+ /// </summary>
+ static public int Errors;
+
+ /// <summary>
+ /// Warnings encountered so far
+ /// </summary>
+ static public int Warnings;
+
+ /// <summary>
+ /// Whether errors should be throw an exception
+ /// </summary>
+ static public bool Fatal;
+
+ /// <summary>
+ /// Whether warnings should be considered errors
+ /// </summary>
+ static public bool WarningsAreErrors;
+
+ /// <summary>
+ /// Whether to dump a stack trace on errors.
+ /// </summary>
+ static public bool Stacktrace;
+
+ //
+ // If the 'expected' error code is reported then the
+ // compilation succeeds.
+ //
+ // Used for the test suite to excercise the error codes
+ //
+ static int expected_error = 0;
+
+ //
+ // Keeps track of the warnings that we are ignoring
+ //
+ static Hashtable warning_ignore_table;
+
+ static Hashtable warning_regions_table;
+
+ /// <summary>
+ /// List of symbols related to reported error/warning. You have to fill it before error/warning is reported.
+ /// </summary>
+ static StringCollection extra_information = new StringCollection ();
+
+ abstract class AbstractMessage {
+
+ static void Check (int code)
+ {
+ if (code == expected_error) {
+ Environment.Exit (0);
+ }
+ }
+
+ public abstract bool IsWarning { get; }
+
+ public abstract string MessageType { get; }
+
+ public virtual void Print (int code, string location, string text)
+ {
+ if (code < 0)
+ code = 8000-code;
+
+ StringBuilder msg = new StringBuilder ();
+ if (location.Length != 0) {
+ msg.Append (location);
+ msg.Append (' ');
+ }
+ msg.AppendFormat ("{0} CS{1:0000}: {2}", MessageType, code, text);
+ Console.Error.WriteLine (msg.ToString ());
+
+ foreach (string s in extra_information)
+ Console.Error.WriteLine (s + MessageType);
+
+ extra_information.Clear ();
+
+ if (Stacktrace)
+ Console.WriteLine (FriendlyStackTrace (new StackTrace (true)));
+
+ if (Fatal) {
+ if (!IsWarning || WarningsAreErrors)
+ throw new Exception (text);
+ }
+
+ Check (code);
+ }
+
+ public virtual void Print (int code, Location location, string text)
+ {
+ if (location.Equals (Location.Null)) {
+ Print (code, "", text);
+ return;
+ }
+ Print (code, String.Format ("{0}({1})", location.Name, location.Row), text);
+ }
+ }
+
+ sealed class WarningMessage: AbstractMessage {
+ Location loc = Location.Null;
+ readonly int Level;
+
+ public WarningMessage ():
+ this (-1) {}
+
+ public WarningMessage (int level)
+ {
+ Level = level;
+ }
+
+ public override bool IsWarning {
+ get { return true; }
+ }
+
+ bool IsEnabled (int code)
+ {
+ if (RootContext.WarningLevel < Level)
+ return false;
+
+ if (warning_ignore_table != null) {
+ if (warning_ignore_table.Contains (code)) {
+ return false;
+ }
+ }
+
+ if (warning_regions_table == null || loc.Equals (Location.Null))
+ return true;
+
+ WarningRegions regions = (WarningRegions)warning_regions_table [loc.Name];
+ return regions.IsWarningEnabled (code, loc.Row);
+ }
+
+ public override void Print(int code, string location, string text)
+ {
+ if (!IsEnabled (code)) {
+ extra_information.Clear ();
+ return;
+ }
+
+ if (WarningsAreErrors) {
+ new ErrorMessage ().Print (code, location, text);
+ return;
+ }
+
+ Warnings++;
+ base.Print (code, location, text);
+ }
+
+ public override void Print(int code, Location location, string text)
+ {
+ loc = location;
+ base.Print (code, location, text);
+ }
+
+ public override string MessageType {
+ get {
+ return "warning";
+ }
+ }
+ }
+
+ sealed class ErrorMessage: AbstractMessage {
- public void RealError (string msg)
+ public override void Print(int code, string location, string text)
+ {
+ Errors++;
+ base.Print (code, location, text);
+ }
+
+ public override bool IsWarning {
+ get { return false; }
+ }
+
+ public override string MessageType {
+ get {
+ return "error";
+ }
+ }
+
+ }
+
+ public static void FeatureIsNotStandardized (Location loc, string feature)
+ {
+ Report.Error (1644, loc, "Feature '{0}' cannot be used because it is not part of the standardized ISO C# language specification", feature);
+ }
+
+ public static string FriendlyStackTrace (Exception e)
{
- errors++;
- Console.WriteLine (msg);
+ return FriendlyStackTrace (new StackTrace (e, true));
+ }
+
+ static string FriendlyStackTrace (StackTrace t)
+ {
+ StringBuilder sb = new StringBuilder ();
+
+ bool foundUserCode = false;
+
+ for (int i = 0; i < t.FrameCount; i++) {
+ StackFrame f = t.GetFrame (i);
+ MethodBase mb = f.GetMethod ();
+
+ if (!foundUserCode && mb.ReflectedType == typeof (Report))
+ continue;
+
+ foundUserCode = true;
+
+ sb.Append ("\tin ");
+
+ if (f.GetFileLineNumber () > 0)
+ sb.AppendFormat ("(at {0}:{1}) ", f.GetFileName (), f.GetFileLineNumber ());
+
+ sb.AppendFormat ("{0}.{1} (", mb.ReflectedType.Name, mb.Name);
+
+ bool first = true;
+ foreach (ParameterInfo pi in mb.GetParameters ()) {
+ if (!first)
+ sb.Append (", ");
+ first = false;
+
+ sb.Append (TypeManager.CSharpName (pi.ParameterType));
+ }
+ sb.Append (")\n");
+ }
+
+ return sb.ToString ();
+ }
- if (fatal)
- throw new Exception (msg);
+ // !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+ // IF YOU ADD A NEW WARNING YOU HAVE TO DUPLICATE ITS ID HERE
+ //
+ public static bool IsValidWarning (int code)
+ {
+ int[] all_warnings = new int[] {
+ 28, 67, 78, 105, 108, 109, 114, 192, 168, 169, 183, 184, 219, 251, 612, 618, 626, 628, 642, 649,
+ 659, 660, 661, 672, 1030, 1522, 1616, 1691, 1692, 1901, 2002, 2023, 3012, 3019, 8024, 8028
+ };
+
+ foreach (int i in all_warnings) {
+ if (i == code)
+ return true;
+ }
+ return false;
}
-
- public void Error (int code, Location l, string text)
+
+ static public void LocationOfPreviousError (Location loc)
+ {
+ Console.Error.WriteLine (String.Format ("{0}({1}) (Location of symbol related to previous error)", loc.Name, loc.Row));
+ }
+
+ static public void RuntimeMissingSupport (Location loc, string feature)
{
- string msg = l.Name + "(" + l.Row +
- "): Error CS"+code+": " + text;
+ Report.Error (-88, loc, "Your .NET Runtime does not support '{0}'. Please use the latest Mono runtime instead.", feature);
+ }
- RealError (msg);
+ /// <summary>
+ /// In most error cases is very useful to have information about symbol that caused the error.
+ /// Call this method before you call Report.Error when it makes sense.
+ /// </summary>
+ static public void SymbolRelatedToPreviousError (Location loc, string symbol)
+ {
+ SymbolRelatedToPreviousError (String.Format ("{0}({1})", loc.Name, loc.Row), symbol);
}
- public void Warning (int code, Location l, string text)
+ static public void SymbolRelatedToPreviousError (MemberInfo mi)
{
- Console.WriteLine (l.Name + "(" + l.Row +
- "): Warning CS"+code+": " + text);
- warnings++;
+ TypeContainer temp_ds = TypeManager.LookupTypeContainer (mi.DeclaringType);
+ if (temp_ds == null) {
+ SymbolRelatedToPreviousError (mi.DeclaringType.Assembly.Location, TypeManager.GetFullNameSignature (mi));
+ } else {
+ if (mi is MethodBase) {
+ IMethodData md = TypeManager.GetMethod ((MethodBase)mi);
+ SymbolRelatedToPreviousError (md.Location, md.GetSignatureForError (temp_ds));
+ return;
+ }
+
+ string name = String.Concat (temp_ds.Name, ".", mi.Name);
+ MemberCore mc = temp_ds.GetDefinition (name);
+ SymbolRelatedToPreviousError (mc);
+ }
}
-
- public void Error (int code, string text)
+
+ static public void SymbolRelatedToPreviousError (MemberCore mc)
{
- string msg = "Error CS"+code+": "+text;
+ SymbolRelatedToPreviousError (mc.Location, mc.GetSignatureForError ());
+ }
- RealError (msg);
+ static public void SymbolRelatedToPreviousError (Type type)
+ {
+ DeclSpace temp_ds = TypeManager.LookupDeclSpace (type);
+ if (temp_ds == null)
+ SymbolRelatedToPreviousError (type.Assembly.Location, TypeManager.CSharpName (type));
+ else
+ SymbolRelatedToPreviousError (temp_ds.Location, TypeManager.CSharpName (type));
}
- public void Warning (int code, string text)
+ static void SymbolRelatedToPreviousError (string loc, string symbol)
{
- Console.WriteLine ("Warning CS"+code+": "+text);
- warnings++;
+ extra_information.Add (String.Format ("{0}: '{1}' (name of symbol related to previous ", loc, symbol));
}
- public void Message (Message m)
+ public static void ExtraInformation (Location loc, string msg)
{
- if (m is ErrorMessage)
- Error (m.code, m.text);
- else
- Warning (m.code, m.text);
+ extra_information.Add (String.Format ("{0}({1}) {2}", loc.Name, loc.Row, msg));
}
-
- public int Errors {
- get {
- return errors;
+
+ 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)
+ {
+ ErrorMessage e = new ErrorMessage ();
+ e.Print (code, loc, String.Format (format, args));
}
- public int Warnings {
+ 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 warnings;
+ return expected_error;
}
}
- public bool Fatal {
- set {
- fatal = true;
+ 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);
+ }
}
- get {
- return fatal;
+ 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 class Message {
- public int code;
- public string text;
-
- public Message (int code, string text)
+ 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 ()
{
- this.code = code;
- this.text = text;
+ 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;
}
- }
- public class WarningMessage : Message {
- public WarningMessage (int code, string text) : base (code, text)
+ [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 ErrorMessage : Message {
- public ErrorMessage (int code, string text) : base (code, text)
+ public class InternalErrorException : Exception {
+ public InternalErrorException ()
+ : base ("Internal error")
{
}
- //
- // For compatibility reasons with old code.
- //
- public static void report_error (string error)
+ public InternalErrorException (string message)
+ : base (message)
{
- Console.Write ("ERROR: ");
- Console.WriteLine (error);
}
}
-}
+ /// <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;
+ }
+ }
+}