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[mcs.git] / mcs / report.cs
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1 //
2 // report.cs: report errors and warnings.
3 //
4 // Author: Miguel de Icaza (miguel@ximian.com)
5 // Marek Safar (marek.safar@seznam.cz)
6 //
7 // Copyright 2001 Ximian, Inc. (http://www.ximian.com)
8 //
9
10 using System;
11 using System.IO;
12 using System.Text;
13 using System.Collections;
14 using System.Collections.Specialized;
15 using System.Diagnostics;
16 using System.Reflection;
17 using System.Reflection.Emit;
18
19 namespace Mono.CSharp {
20
21 //
22 // Errors and warnings manager
23 //
24 public class Report {
25 /// <summary>
26 /// Whether errors should be throw an exception
27 /// </summary>
28 public bool Fatal;
29
30 /// <summary>
31 /// Whether warnings should be considered errors
32 /// </summary>
33 public bool WarningsAreErrors;
34 ArrayList warnings_as_error;
35 ArrayList warnings_only;
36
37 public static int DebugFlags = 0;
38
39 //
40 // Keeps track of the warnings that we are ignoring
41 //
42 public Hashtable warning_ignore_table;
43
44 Hashtable warning_regions_table;
45
46 int warning_level;
47
48 ReportPrinter printer;
49
50 int reporting_disabled;
51
52 /// <summary>
53 /// List of symbols related to reported error/warning. You have to fill it before error/warning is reported.
54 /// </summary>
55 ArrayList extra_information = new ArrayList ();
56
57 //
58 // IF YOU ADD A NEW WARNING YOU HAVE TO ADD ITS ID HERE
59 //
60 public static readonly int[] AllWarnings = new int[] {
61 28, 67, 78,
62 105, 108, 109, 114, 162, 164, 168, 169, 183, 184, 197,
63 219, 251, 252, 253, 278, 282,
64 402, 414, 419, 420, 429, 436, 440, 458, 464, 465, 467, 469, 472,
65 612, 618, 626, 628, 642, 649, 652, 658, 659, 660, 661, 665, 672, 675, 693,
66 809,
67 1030, 1058, 1066,
68 1522, 1570, 1571, 1572, 1573, 1574, 1580, 1581, 1584, 1587, 1589, 1590, 1591, 1592,
69 1616, 1633, 1634, 1635, 1685, 1690, 1691, 1692,
70 1700, 1717, 1718, 1720,
71 1901,
72 2002, 2023, 2029,
73 3000, 3001, 3002, 3003, 3005, 3006, 3007, 3008, 3009,
74 3010, 3011, 3012, 3013, 3014, 3015, 3016, 3017, 3018, 3019,
75 3021, 3022, 3023, 3024, 3026, 3027
76 };
77
78 static Report ()
79 {
80 // Just to be sure that binary search is working
81 Array.Sort (AllWarnings);
82 }
83
84 public Report (ReportPrinter printer)
85 {
86 if (printer == null)
87 throw new ArgumentNullException ("printer");
88
89 this.printer = printer;
90 warning_level = 4;
91 }
92
93 public void DisableReporting ()
94 {
95 ++reporting_disabled;
96 }
97
98 public void EnableReporting ()
99 {
100 --reporting_disabled;
101 }
102
103 public void FeatureIsNotAvailable (Location loc, string feature)
104 {
105 string version;
106 switch (RootContext.Version) {
107 case LanguageVersion.ISO_1:
108 version = "1.0";
109 break;
110 case LanguageVersion.ISO_2:
111 version = "2.0";
112 break;
113 case LanguageVersion.V_3:
114 version = "3.0";
115 break;
116 default:
117 throw new InternalErrorException ("Invalid feature version", RootContext.Version);
118 }
119
120 Error (1644, loc,
121 "Feature `{0}' cannot be used because it is not part of the C# {1} language specification",
122 feature, version);
123 }
124
125 public void FeatureIsNotSupported (Location loc, string feature)
126 {
127 Error (1644, loc,
128 "Feature `{0}' is not supported in Mono mcs1 compiler. Consider using the `gmcs' compiler instead",
129 feature);
130 }
131
132 static bool IsValidWarning (int code)
133 {
134 return Array.BinarySearch (AllWarnings, code) >= 0;
135 }
136
137 bool IsWarningEnabled (int code, int level, Location loc)
138 {
139 if (WarningLevel < level)
140 return false;
141
142 if (warning_ignore_table != null) {
143 if (warning_ignore_table.Contains (code)) {
144 return false;
145 }
146 }
147
148 if (warning_regions_table == null || loc.IsNull)
149 return true;
150
151 WarningRegions regions = (WarningRegions) warning_regions_table [loc.Name];
152 if (regions == null)
153 return true;
154
155 return regions.IsWarningEnabled (code, loc.Row);
156 }
157
158 bool IsWarningAsError (int code)
159 {
160 bool is_error = WarningsAreErrors;
161
162 // Check specific list
163 if (warnings_as_error != null)
164 is_error |= warnings_as_error.Contains (code);
165
166 // Ignore excluded warnings
167 if (warnings_only != null && warnings_only.Contains (code))
168 is_error = false;
169
170 return is_error;
171 }
172
173 public void RuntimeMissingSupport (Location loc, string feature)
174 {
175 Error (-88, loc, "Your .NET Runtime does not support `{0}'. Please use the latest Mono runtime instead.", feature);
176 }
177
178 /// <summary>
179 /// In most error cases is very useful to have information about symbol that caused the error.
180 /// Call this method before you call Report.Error when it makes sense.
181 /// </summary>
182 public void SymbolRelatedToPreviousError (Location loc, string symbol)
183 {
184 SymbolRelatedToPreviousError (loc.ToString (), symbol);
185 }
186
187 public void SymbolRelatedToPreviousError (MemberInfo mi)
188 {
189 if (reporting_disabled > 0 || !printer.HasRelatedSymbolSupport)
190 return;
191
192 Type dt = TypeManager.DropGenericTypeArguments (mi.DeclaringType);
193 if (TypeManager.IsDelegateType (dt)) {
194 SymbolRelatedToPreviousError (dt);
195 return;
196 }
197
198 DeclSpace temp_ds = TypeManager.LookupDeclSpace (dt);
199 if (temp_ds == null) {
200 SymbolRelatedToPreviousError (dt.Assembly.Location, TypeManager.GetFullNameSignature (mi));
201 } else {
202 MethodBase mb = mi as MethodBase;
203 if (mb != null) {
204 mb = TypeManager.DropGenericMethodArguments (mb);
205 IMethodData md = TypeManager.GetMethod (mb);
206 if (md != null)
207 SymbolRelatedToPreviousError (md.Location, md.GetSignatureForError ());
208
209 return;
210 }
211
212 // FIXME: Completely wrong, it has to use FindMembers
213 MemberCore mc = temp_ds.GetDefinition (mi.Name);
214 if (mc != null)
215 SymbolRelatedToPreviousError (mc);
216 }
217 }
218
219 public void SymbolRelatedToPreviousError (MemberCore mc)
220 {
221 SymbolRelatedToPreviousError (mc.Location, mc.GetSignatureForError ());
222 }
223
224 public void SymbolRelatedToPreviousError (Type type)
225 {
226 if (reporting_disabled > 0 || !printer.HasRelatedSymbolSupport)
227 return;
228
229 type = TypeManager.DropGenericTypeArguments (type);
230
231 if (TypeManager.IsGenericParameter (type)) {
232 TypeParameter tp = TypeManager.LookupTypeParameter (type);
233 if (tp != null) {
234 SymbolRelatedToPreviousError (tp.Location, "");
235 return;
236 }
237 }
238
239 if (type is TypeBuilder) {
240 DeclSpace temp_ds = TypeManager.LookupDeclSpace (type);
241 SymbolRelatedToPreviousError (temp_ds.Location, TypeManager.CSharpName (type));
242 } else if (TypeManager.HasElementType (type)) {
243 SymbolRelatedToPreviousError (TypeManager.GetElementType (type));
244 } else {
245 SymbolRelatedToPreviousError (type.Assembly.Location, TypeManager.CSharpName (type));
246 }
247 }
248
249 void SymbolRelatedToPreviousError (string loc, string symbol)
250 {
251 string msg = String.Format ("{0} (Location of the symbol related to previous ", loc);
252 if (extra_information.Contains (msg))
253 return;
254
255 extra_information.Add (msg);
256 }
257
258 public void AddWarningAsError (string warningId)
259 {
260 int id;
261 try {
262 id = int.Parse (warningId);
263 } catch {
264 id = -1;
265 }
266
267 if (!CheckWarningCode (id, warningId, Location.Null))
268 return;
269
270 if (warnings_as_error == null)
271 warnings_as_error = new ArrayList ();
272
273 warnings_as_error.Add (id);
274 }
275
276 public void RemoveWarningAsError (string warningId)
277 {
278 int id;
279 try {
280 id = int.Parse (warningId);
281 } catch {
282 id = -1;
283 }
284
285 if (!CheckWarningCode (id, warningId, Location.Null))
286 return;
287
288 if (warnings_only == null)
289 warnings_only = new ArrayList ();
290
291 warnings_only.Add (id);
292 }
293
294 public bool CheckWarningCode (int code, Location loc)
295 {
296 return CheckWarningCode (code, code.ToString (), loc);
297 }
298
299 public bool CheckWarningCode (int code, string scode, Location loc)
300 {
301 if (IsValidWarning (code))
302 return true;
303
304 Warning (1691, 1, loc, "`{0}' is not a valid warning number", scode);
305 return false;
306 }
307
308 public void ExtraInformation (Location loc, string msg)
309 {
310 extra_information.Add (String.Format ("{0} {1}", loc, msg));
311 }
312
313 public WarningRegions RegisterWarningRegion (Location location)
314 {
315 if (warning_regions_table == null)
316 warning_regions_table = new Hashtable ();
317
318 WarningRegions regions = (WarningRegions)warning_regions_table [location.Name];
319 if (regions == null) {
320 regions = new WarningRegions ();
321 warning_regions_table.Add (location.Name, regions);
322 }
323 return regions;
324 }
325
326 public void Warning (int code, int level, Location loc, string message)
327 {
328 if (reporting_disabled > 0)
329 return;
330
331 if (!IsWarningEnabled (code, level, loc))
332 return;
333
334 AbstractMessage msg;
335 if (IsWarningAsError (code))
336 msg = new ErrorMessage (code, loc, message, extra_information);
337 else
338 msg = new WarningMessage (code, loc, message, extra_information);
339
340 extra_information.Clear ();
341 printer.Print (msg);
342 }
343
344 public void Warning (int code, int level, Location loc, string format, string arg)
345 {
346 Warning (code, level, loc, String.Format (format, arg));
347 }
348
349 public void Warning (int code, int level, Location loc, string format, string arg1, string arg2)
350 {
351 Warning (code, level, loc, String.Format (format, arg1, arg2));
352 }
353
354 public void Warning (int code, int level, Location loc, string format, params object[] args)
355 {
356 Warning (code, level, loc, String.Format (format, args));
357 }
358
359 public void Warning (int code, int level, string message)
360 {
361 Warning (code, level, Location.Null, message);
362 }
363
364 public void Warning (int code, int level, string format, string arg)
365 {
366 Warning (code, level, Location.Null, format, arg);
367 }
368
369 public void Warning (int code, int level, string format, string arg1, string arg2)
370 {
371 Warning (code, level, Location.Null, format, arg1, arg2);
372 }
373
374 public void Warning (int code, int level, string format, params string[] args)
375 {
376 Warning (code, level, Location.Null, String.Format (format, args));
377 }
378
379 //
380 // Warnings encountered so far
381 //
382 public int Warnings {
383 get { return printer.WarningsCount; }
384 }
385
386 public void Error (int code, Location loc, string error)
387 {
388 if (reporting_disabled > 0)
389 return;
390
391 ErrorMessage msg = new ErrorMessage (code, loc, error, extra_information);
392 extra_information.Clear ();
393
394 printer.Print (msg);
395
396 if (Fatal)
397 throw new Exception (msg.Text);
398 }
399
400 public void Error (int code, Location loc, string format, string arg)
401 {
402 Error (code, loc, String.Format (format, arg));
403 }
404
405 public void Error (int code, Location loc, string format, string arg1, string arg2)
406 {
407 Error (code, loc, String.Format (format, arg1, arg2));
408 }
409
410 public void Error (int code, Location loc, string format, params object[] args)
411 {
412 Error (code, loc, String.Format (format, args));
413 }
414
415 public void Error (int code, string error)
416 {
417 Error (code, Location.Null, error);
418 }
419
420 public void Error (int code, string format, string arg)
421 {
422 Error (code, Location.Null, format, arg);
423 }
424
425 public void Error (int code, string format, string arg1, string arg2)
426 {
427 Error (code, Location.Null, format, arg1, arg2);
428 }
429
430 public void Error (int code, string format, params string[] args)
431 {
432 Error (code, Location.Null, String.Format (format, args));
433 }
434
435 //
436 // Errors encountered so far
437 //
438 public int Errors {
439 get { return printer.ErrorsCount; }
440 }
441
442 public ReportPrinter Printer {
443 get { return printer; }
444 }
445
446 public void SetIgnoreWarning (int code)
447 {
448 if (warning_ignore_table == null)
449 warning_ignore_table = new Hashtable ();
450
451 warning_ignore_table [code] = true;
452 }
453
454 public ReportPrinter SetPrinter (ReportPrinter printer)
455 {
456 ReportPrinter old = this.printer;
457 this.printer = printer;
458 return old;
459 }
460
461 public int WarningLevel {
462 get {
463 return warning_level;
464 }
465 set {
466 warning_level = value;
467 }
468 }
469
470 [Conditional ("MCS_DEBUG")]
471 static public void Debug (string message, params object[] args)
472 {
473 Debug (4, message, args);
474 }
475
476 [Conditional ("MCS_DEBUG")]
477 static public void Debug (int category, string message, params object[] args)
478 {
479 if ((category & DebugFlags) == 0)
480 return;
481
482 StringBuilder sb = new StringBuilder (message);
483
484 if ((args != null) && (args.Length > 0)) {
485 sb.Append (": ");
486
487 bool first = true;
488 foreach (object arg in args) {
489 if (first)
490 first = false;
491 else
492 sb.Append (", ");
493 if (arg == null)
494 sb.Append ("null");
495 else if (arg is ICollection)
496 sb.Append (PrintCollection ((ICollection) arg));
497 else
498 sb.Append (arg);
499 }
500 }
501
502 Console.WriteLine (sb.ToString ());
503 }
504
505 static public string PrintCollection (ICollection collection)
506 {
507 StringBuilder sb = new StringBuilder ();
508
509 sb.Append (collection.GetType ());
510 sb.Append ("(");
511
512 bool first = true;
513 foreach (object o in collection) {
514 if (first)
515 first = false;
516 else
517 sb.Append (", ");
518 sb.Append (o);
519 }
520
521 sb.Append (")");
522 return sb.ToString ();
523 }
524 }
525
526 public abstract class AbstractMessage
527 {
528 readonly string[] extra_info;
529 protected readonly int code;
530 protected readonly Location location;
531 readonly string message;
532
533 protected AbstractMessage (int code, Location loc, string msg, ArrayList extraInfo)
534 {
535 this.code = code;
536 if (code < 0)
537 this.code = 8000 - code;
538
539 this.location = loc;
540 this.message = msg;
541 if (extraInfo.Count != 0) {
542 this.extra_info = (string[])extraInfo.ToArray (typeof (string));
543 }
544 }
545
546 protected AbstractMessage (AbstractMessage aMsg)
547 {
548 this.code = aMsg.code;
549 this.location = aMsg.location;
550 this.message = aMsg.message;
551 this.extra_info = aMsg.extra_info;
552 }
553
554 public int Code {
555 get { return code; }
556 }
557
558 public override bool Equals (object obj)
559 {
560 AbstractMessage msg = obj as AbstractMessage;
561 if (msg == null)
562 return false;
563
564 return code == msg.code && location.Equals (msg.location) && message == msg.message;
565 }
566
567 public override int GetHashCode ()
568 {
569 return code.GetHashCode ();
570 }
571
572 public abstract bool IsWarning { get; }
573
574 public Location Location {
575 get { return location; }
576 }
577
578 public abstract string MessageType { get; }
579
580 public string[] RelatedSymbols {
581 get { return extra_info; }
582 }
583
584 public string Text {
585 get { return message; }
586 }
587 }
588
589 sealed class WarningMessage : AbstractMessage
590 {
591 public WarningMessage (int code, Location loc, string message, ArrayList extra_info)
592 : base (code, loc, message, extra_info)
593 {
594 }
595
596 public override bool IsWarning {
597 get { return true; }
598 }
599
600 public override string MessageType {
601 get {
602 return "warning";
603 }
604 }
605 }
606
607 sealed class ErrorMessage : AbstractMessage
608 {
609 public ErrorMessage (int code, Location loc, string message, ArrayList extraInfo)
610 : base (code, loc, message, extraInfo)
611 {
612 }
613
614 public ErrorMessage (AbstractMessage aMsg)
615 : base (aMsg)
616 {
617 }
618
619 public override bool IsWarning {
620 get { return false; }
621 }
622
623 public override string MessageType {
624 get {
625 return "error";
626 }
627 }
628 }
629
630 //
631 // Generic base for any message writer
632 //
633 public abstract class ReportPrinter
634 {
635 /// <summary>
636 /// Whether to dump a stack trace on errors.
637 /// </summary>
638 public bool Stacktrace;
639
640 int warnings, errors;
641
642 public int WarningsCount {
643 get { return warnings; }
644 }
645
646 public int ErrorsCount {
647 get { return errors; }
648 }
649
650 protected virtual string FormatText (string txt)
651 {
652 return txt;
653 }
654
655 //
656 // When (symbols related to previous ...) can be used
657 //
658 public virtual bool HasRelatedSymbolSupport {
659 get { return true; }
660 }
661
662 public virtual void Print (AbstractMessage msg)
663 {
664 if (msg.IsWarning)
665 ++warnings;
666 else
667 ++errors;
668 }
669
670 protected void Print (AbstractMessage msg, TextWriter output)
671 {
672 StringBuilder txt = new StringBuilder ();
673 if (!msg.Location.IsNull) {
674 txt.Append (msg.Location.ToString ());
675 txt.Append (" ");
676 }
677
678 txt.AppendFormat ("{0} CS{1:0000}: {2}", msg.MessageType, msg.Code, msg.Text);
679
680 if (!msg.IsWarning)
681 output.WriteLine (FormatText (txt.ToString ()));
682 else
683 output.WriteLine (txt.ToString ());
684
685 if (msg.RelatedSymbols != null) {
686 foreach (string s in msg.RelatedSymbols)
687 output.WriteLine (s + msg.MessageType + ")");
688 }
689 }
690 }
691
692 //
693 // Default message recorder, it uses two types of message groups.
694 // Common messages: messages reported in all sessions.
695 // Merged messages: union of all messages in all sessions.
696 //
697 // Used by the Lambda expressions to compile the code with various
698 // parameter values, or by attribute resolver
699 //
700 class SessionReportPrinter : ReportPrinter
701 {
702 ArrayList session_messages;
703 //
704 // A collection of exactly same messages reported in all sessions
705 //
706 ArrayList common_messages;
707
708 //
709 // A collection of unique messages reported in all sessions
710 //
711 ArrayList merged_messages;
712
713 public override void Print (AbstractMessage msg)
714 {
715 //
716 // This line is useful when debugging recorded messages
717 //
718 // Console.WriteLine ("RECORDING: {0} {1} {2}", code, location, message);
719
720 if (session_messages == null)
721 session_messages = new ArrayList ();
722
723 session_messages.Add (msg);
724
725 base.Print (msg);
726 }
727
728 public void EndSession ()
729 {
730 if (session_messages == null)
731 return;
732
733 //
734 // Handles the first session
735 //
736 if (common_messages == null) {
737 common_messages = new ArrayList (session_messages);
738 merged_messages = session_messages;
739 session_messages = null;
740 return;
741 }
742
743 //
744 // Store common messages if any
745 //
746 for (int i = 0; i < common_messages.Count; ++i) {
747 AbstractMessage cmsg = (AbstractMessage) common_messages[i];
748 bool common_msg_found = false;
749 foreach (AbstractMessage msg in session_messages) {
750 if (cmsg.Equals (msg)) {
751 common_msg_found = true;
752 break;
753 }
754 }
755
756 if (!common_msg_found)
757 common_messages.RemoveAt (i);
758 }
759
760 //
761 // Merge session and previous messages
762 //
763 for (int i = 0; i < session_messages.Count; ++i) {
764 AbstractMessage msg = (AbstractMessage) session_messages[i];
765 bool msg_found = false;
766 for (int ii = 0; ii < merged_messages.Count; ++ii) {
767 if (msg.Equals (merged_messages[ii])) {
768 msg_found = true;
769 break;
770 }
771 }
772
773 if (!msg_found)
774 merged_messages.Add (msg);
775 }
776 }
777
778 public bool IsEmpty {
779 get {
780 return merged_messages == null && common_messages == null;
781 }
782 }
783
784 //
785 // Prints collected messages, common messages have a priority
786 //
787 public bool Merge (ReportPrinter dest)
788 {
789 ArrayList messages_to_print = merged_messages;
790 if (common_messages != null && common_messages.Count > 0) {
791 messages_to_print = common_messages;
792 }
793
794 if (messages_to_print == null)
795 return false;
796
797 foreach (AbstractMessage msg in messages_to_print)
798 dest.Print (msg);
799
800 return true;
801 }
802 }
803
804 class StreamReportPrinter : ReportPrinter
805 {
806 readonly TextWriter writer;
807
808 public StreamReportPrinter (TextWriter writer)
809 {
810 this.writer = writer;
811 }
812
813 public override void Print (AbstractMessage msg)
814 {
815 Print (msg, writer);
816 base.Print (msg);
817 }
818 }
819
820 class ConsoleReportPrinter : StreamReportPrinter
821 {
822 static readonly string prefix, postfix;
823
824 static ConsoleReportPrinter ()
825 {
826 string term = Environment.GetEnvironmentVariable ("TERM");
827 bool xterm_colors = false;
828
829 switch (term){
830 case "xterm":
831 case "rxvt":
832 case "rxvt-unicode":
833 if (Environment.GetEnvironmentVariable ("COLORTERM") != null){
834 xterm_colors = true;
835 }
836 break;
837
838 case "xterm-color":
839 xterm_colors = true;
840 break;
841 }
842 if (!xterm_colors)
843 return;
844
845 if (!(UnixUtils.isatty (1) && UnixUtils.isatty (2)))
846 return;
847
848 string config = Environment.GetEnvironmentVariable ("MCS_COLORS");
849 if (config == null){
850 config = "errors=red";
851 //config = "brightwhite,red";
852 }
853
854 if (config == "disable")
855 return;
856
857 if (!config.StartsWith ("errors="))
858 return;
859
860 config = config.Substring (7);
861
862 int p = config.IndexOf (",");
863 if (p == -1)
864 prefix = GetForeground (config);
865 else
866 prefix = GetBackground (config.Substring (p+1)) + GetForeground (config.Substring (0, p));
867 postfix = "\x001b[0m";
868 }
869
870 public ConsoleReportPrinter ()
871 : base (Console.Error)
872 {
873 }
874
875 public ConsoleReportPrinter (TextWriter writer)
876 : base (writer)
877 {
878 }
879
880 static int NameToCode (string s)
881 {
882 switch (s) {
883 case "black":
884 return 0;
885 case "red":
886 return 1;
887 case "green":
888 return 2;
889 case "yellow":
890 return 3;
891 case "blue":
892 return 4;
893 case "magenta":
894 return 5;
895 case "cyan":
896 return 6;
897 case "grey":
898 case "white":
899 return 7;
900 }
901 return 7;
902 }
903
904 //
905 // maps a color name to its xterm color code
906 //
907 static string GetForeground (string s)
908 {
909 string highcode;
910
911 if (s.StartsWith ("bright")) {
912 highcode = "1;";
913 s = s.Substring (6);
914 } else
915 highcode = "";
916
917 return "\x001b[" + highcode + (30 + NameToCode (s)).ToString () + "m";
918 }
919
920 static string GetBackground (string s)
921 {
922 return "\x001b[" + (40 + NameToCode (s)).ToString () + "m";
923 }
924
925 protected override string FormatText (string txt)
926 {
927 if (prefix != null)
928 return prefix + txt + postfix;
929
930 return txt;
931 }
932
933 static string FriendlyStackTrace (StackTrace t)
934 {
935 StringBuilder sb = new StringBuilder ();
936
937 bool foundUserCode = false;
938
939 for (int i = 0; i < t.FrameCount; i++) {
940 StackFrame f = t.GetFrame (i);
941 MethodBase mb = f.GetMethod ();
942
943 if (!foundUserCode && mb.ReflectedType == typeof (Report))
944 continue;
945
946 foundUserCode = true;
947
948 sb.Append ("\tin ");
949
950 if (f.GetFileLineNumber () > 0)
951 sb.AppendFormat ("(at {0}:{1}) ", f.GetFileName (), f.GetFileLineNumber ());
952
953 sb.AppendFormat ("{0}.{1} (", mb.ReflectedType.Name, mb.Name);
954
955 bool first = true;
956 foreach (ParameterInfo pi in mb.GetParameters ()) {
957 if (!first)
958 sb.Append (", ");
959 first = false;
960
961 sb.Append (TypeManager.CSharpName (pi.ParameterType));
962 }
963 sb.Append (")\n");
964 }
965
966 return sb.ToString ();
967 }
968
969 public override void Print (AbstractMessage msg)
970 {
971 base.Print (msg);
972
973 if (Stacktrace)
974 Console.WriteLine (FriendlyStackTrace (new StackTrace (true)));
975 }
976
977 public static string FriendlyStackTrace (Exception e)
978 {
979 return FriendlyStackTrace (new StackTrace (e, true));
980 }
981
982 public static void StackTrace ()
983 {
984 Console.WriteLine (FriendlyStackTrace (new StackTrace (true)));
985 }
986 }
987
988 public enum TimerType {
989 FindMembers = 0,
990 TcFindMembers = 1,
991 MemberLookup = 2,
992 CachedLookup = 3,
993 CacheInit = 4,
994 MiscTimer = 5,
995 CountTimers = 6
996 }
997
998 public enum CounterType {
999 FindMembers = 0,
1000 MemberCache = 1,
1001 MiscCounter = 2,
1002 CountCounters = 3
1003 }
1004
1005 public class Timer
1006 {
1007 static DateTime[] timer_start;
1008 static TimeSpan[] timers;
1009 static long[] timer_counters;
1010 static long[] counters;
1011
1012 static Timer ()
1013 {
1014 timer_start = new DateTime [(int) TimerType.CountTimers];
1015 timers = new TimeSpan [(int) TimerType.CountTimers];
1016 timer_counters = new long [(int) TimerType.CountTimers];
1017 counters = new long [(int) CounterType.CountCounters];
1018
1019 for (int i = 0; i < (int) TimerType.CountTimers; i++) {
1020 timer_start [i] = DateTime.Now;
1021 timers [i] = TimeSpan.Zero;
1022 }
1023 }
1024
1025 [Conditional("TIMER")]
1026 static public void IncrementCounter (CounterType which)
1027 {
1028 ++counters [(int) which];
1029 }
1030
1031 [Conditional("TIMER")]
1032 static public void StartTimer (TimerType which)
1033 {
1034 timer_start [(int) which] = DateTime.Now;
1035 }
1036
1037 [Conditional("TIMER")]
1038 static public void StopTimer (TimerType which)
1039 {
1040 timers [(int) which] += DateTime.Now - timer_start [(int) which];
1041 ++timer_counters [(int) which];
1042 }
1043
1044 [Conditional("TIMER")]
1045 static public void ShowTimers ()
1046 {
1047 ShowTimer (TimerType.FindMembers, "- FindMembers timer");
1048 ShowTimer (TimerType.TcFindMembers, "- TypeContainer.FindMembers timer");
1049 ShowTimer (TimerType.MemberLookup, "- MemberLookup timer");
1050 ShowTimer (TimerType.CachedLookup, "- CachedLookup timer");
1051 ShowTimer (TimerType.CacheInit, "- Cache init");
1052 ShowTimer (TimerType.MiscTimer, "- Misc timer");
1053
1054 ShowCounter (CounterType.FindMembers, "- Find members");
1055 ShowCounter (CounterType.MemberCache, "- Member cache");
1056 ShowCounter (CounterType.MiscCounter, "- Misc counter");
1057 }
1058
1059 static public void ShowCounter (CounterType which, string msg)
1060 {
1061 Console.WriteLine ("{0} {1}", counters [(int) which], msg);
1062 }
1063
1064 static public void ShowTimer (TimerType which, string msg)
1065 {
1066 Console.WriteLine (
1067 "[{0:00}:{1:000}] {2} (used {3} times)",
1068 (int) timers [(int) which].TotalSeconds,
1069 timers [(int) which].Milliseconds, msg,
1070 timer_counters [(int) which]);
1071 }
1072 }
1073
1074 public class InternalErrorException : Exception {
1075 public InternalErrorException (MemberCore mc, Exception e)
1076 : base (mc.Location + " " + mc.GetSignatureForError (), e)
1077 {
1078 }
1079
1080 public InternalErrorException ()
1081 : base ("Internal error")
1082 {
1083 }
1084
1085 public InternalErrorException (string message)
1086 : base (message)
1087 {
1088 }
1089
1090 public InternalErrorException (string message, params object[] args)
1091 : base (String.Format (message, args))
1092 { }
1093
1094 public InternalErrorException (Exception e, Location loc)
1095 : base (loc.ToString (), e)
1096 {
1097 }
1098 }
1099
1100 /// <summary>
1101 /// Handles #pragma warning
1102 /// </summary>
1103 public class WarningRegions {
1104
1105 abstract class PragmaCmd
1106 {
1107 public int Line;
1108
1109 protected PragmaCmd (int line)
1110 {
1111 Line = line;
1112 }
1113
1114 public abstract bool IsEnabled (int code, bool previous);
1115 }
1116
1117 class Disable : PragmaCmd
1118 {
1119 int code;
1120 public Disable (int line, int code)
1121 : base (line)
1122 {
1123 this.code = code;
1124 }
1125
1126 public override bool IsEnabled (int code, bool previous)
1127 {
1128 return this.code == code ? false : previous;
1129 }
1130 }
1131
1132 class DisableAll : PragmaCmd
1133 {
1134 public DisableAll (int line)
1135 : base (line) {}
1136
1137 public override bool IsEnabled(int code, bool previous)
1138 {
1139 return false;
1140 }
1141 }
1142
1143 class Enable : PragmaCmd
1144 {
1145 int code;
1146 public Enable (int line, int code)
1147 : base (line)
1148 {
1149 this.code = code;
1150 }
1151
1152 public override bool IsEnabled(int code, bool previous)
1153 {
1154 return this.code == code ? true : previous;
1155 }
1156 }
1157
1158 class EnableAll : PragmaCmd
1159 {
1160 public EnableAll (int line)
1161 : base (line) {}
1162
1163 public override bool IsEnabled(int code, bool previous)
1164 {
1165 return true;
1166 }
1167 }
1168
1169
1170 ArrayList regions = new ArrayList ();
1171
1172 public void WarningDisable (int line)
1173 {
1174 regions.Add (new DisableAll (line));
1175 }
1176
1177 public void WarningDisable (Location location, int code, Report Report)
1178 {
1179 if (Report.CheckWarningCode (code, location))
1180 regions.Add (new Disable (location.Row, code));
1181 }
1182
1183 public void WarningEnable (int line)
1184 {
1185 regions.Add (new EnableAll (line));
1186 }
1187
1188 public void WarningEnable (Location location, int code, Report Report)
1189 {
1190 if (Report.CheckWarningCode (code, location))
1191 regions.Add (new Enable (location.Row, code));
1192 }
1193
1194 public bool IsWarningEnabled (int code, int src_line)
1195 {
1196 bool result = true;
1197 foreach (PragmaCmd pragma in regions) {
1198 if (src_line < pragma.Line)
1199 break;
1200
1201 result = pragma.IsEnabled (code, result);
1202 }
1203 return result;
1204 }
1205 }
1206 }
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