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Fix bug #566087.
[mcs.git] / mcs / report.cs
blobaf1e756bc40a2279e29e8b5e628bddafa7af2872
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.Generic;
14 using System.Diagnostics;
15 using System.Reflection;
16 using System.Reflection.Emit;
17
18 namespace Mono.CSharp {
19
20 //
21 // Errors and warnings manager
22 //
23 public class Report
24 {
25 /// <summary>
26 /// Whether warnings should be considered errors
27 /// </summary>
28 public bool WarningsAreErrors;
29 List<int> warnings_as_error;
30 List<int> warnings_only;
31
32 public static int DebugFlags = 0;
33
34 //
35 // Keeps track of the warnings that we are ignoring
36 //
37 public Dictionary<int, bool> warning_ignore_table;
38
39 Dictionary<string, WarningRegions> warning_regions_table;
40
41 int warning_level;
42
43 ReportPrinter printer;
44
45 int reporting_disabled;
46
47 /// <summary>
48 /// List of symbols related to reported error/warning. You have to fill it before error/warning is reported.
49 /// </summary>
50 List<string> extra_information = new List<string> ();
51
52 //
53 // IF YOU ADD A NEW WARNING YOU HAVE TO ADD ITS ID HERE
54 //
55 public static readonly int[] AllWarnings = new int[] {
56 28, 67, 78,
57 105, 108, 109, 114, 162, 164, 168, 169, 183, 184, 197,
58 219, 251, 252, 253, 278, 282,
59 402, 414, 419, 420, 429, 436, 440, 458, 464, 465, 467, 469, 472,
60 612, 618, 626, 628, 642, 649, 652, 658, 659, 660, 661, 665, 672, 675, 693,
61 809,
62 1030, 1058, 1066,
63 1522, 1570, 1571, 1572, 1573, 1574, 1580, 1581, 1584, 1587, 1589, 1590, 1591, 1592,
64 1616, 1633, 1634, 1635, 1685, 1690, 1691, 1692,
65 1700, 1717, 1718, 1720,
66 1901,
67 2002, 2023, 2029,
68 3000, 3001, 3002, 3003, 3005, 3006, 3007, 3008, 3009,
69 3010, 3011, 3012, 3013, 3014, 3015, 3016, 3017, 3018, 3019,
70 3021, 3022, 3023, 3024, 3026, 3027
71 };
72
73 static Report ()
74 {
75 // Just to be sure that binary search is working
76 Array.Sort (AllWarnings);
77 }
78
79 public Report (ReportPrinter printer)
80 {
81 if (printer == null)
82 throw new ArgumentNullException ("printer");
83
84 this.printer = printer;
85 warning_level = 4;
86 }
87
88 public void DisableReporting ()
89 {
90 ++reporting_disabled;
91 }
92
93 public void EnableReporting ()
94 {
95 --reporting_disabled;
96 }
97
98 public void FeatureIsNotAvailable (Location loc, string feature)
99 {
100 string version;
101 switch (RootContext.Version) {
102 case LanguageVersion.ISO_1:
103 version = "1.0";
104 break;
105 case LanguageVersion.ISO_2:
106 version = "2.0";
107 break;
108 case LanguageVersion.V_3:
109 version = "3.0";
110 break;
111 default:
112 throw new InternalErrorException ("Invalid feature version", RootContext.Version);
113 }
114
115 Error (1644, loc,
116 "Feature `{0}' cannot be used because it is not part of the C# {1} language specification",
117 feature, version);
118 }
119
120 public void FeatureIsNotSupported (Location loc, string feature)
121 {
122 Error (1644, loc,
123 "Feature `{0}' is not supported in Mono mcs1 compiler. Consider using the `gmcs' compiler instead",
124 feature);
125 }
126
127 static bool IsValidWarning (int code)
128 {
129 return Array.BinarySearch (AllWarnings, code) >= 0;
130 }
131
132 bool IsWarningEnabled (int code, int level, Location loc)
133 {
134 if (WarningLevel < level)
135 return false;
136
137 if (warning_ignore_table != null) {
138 if (warning_ignore_table.ContainsKey (code)) {
139 return false;
140 }
141 }
142
143 if (warning_regions_table == null || loc.IsNull)
144 return true;
145
146 WarningRegions regions;
147 if (!warning_regions_table.TryGetValue (loc.Name, out regions))
148 return true;
149
150 return regions.IsWarningEnabled (code, loc.Row);
151 }
152
153 bool IsWarningAsError (int code)
154 {
155 bool is_error = WarningsAreErrors;
156
157 // Check specific list
158 if (warnings_as_error != null)
159 is_error |= warnings_as_error.Contains (code);
160
161 // Ignore excluded warnings
162 if (warnings_only != null && warnings_only.Contains (code))
163 is_error = false;
164
165 return is_error;
166 }
167
168 public void RuntimeMissingSupport (Location loc, string feature)
169 {
170 Error (-88, loc, "Your .NET Runtime does not support `{0}'. Please use the latest Mono runtime instead.", feature);
171 }
172
173 /// <summary>
174 /// In most error cases is very useful to have information about symbol that caused the error.
175 /// Call this method before you call Report.Error when it makes sense.
176 /// </summary>
177 public void SymbolRelatedToPreviousError (Location loc, string symbol)
178 {
179 SymbolRelatedToPreviousError (loc.ToString (), symbol);
180 }
181
182 public void SymbolRelatedToPreviousError (MemberInfo mi)
183 {
184 if (reporting_disabled > 0 || !printer.HasRelatedSymbolSupport)
185 return;
186
187 Type dt = TypeManager.DropGenericTypeArguments (mi.DeclaringType);
188 if (TypeManager.IsDelegateType (dt)) {
189 SymbolRelatedToPreviousError (dt);
190 return;
191 }
192
193 DeclSpace temp_ds = TypeManager.LookupDeclSpace (dt);
194 if (temp_ds == null) {
195 SymbolRelatedToPreviousError (dt.Assembly.Location, TypeManager.GetFullNameSignature (mi));
196 } else {
197 MethodBase mb = mi as MethodBase;
198 if (mb != null) {
199 mb = TypeManager.DropGenericMethodArguments (mb);
200 IMethodData md = TypeManager.GetMethod (mb);
201 if (md != null)
202 SymbolRelatedToPreviousError (md.Location, md.GetSignatureForError ());
203
204 return;
205 }
206
207 // FIXME: Completely wrong, it has to use FindMembers
208 MemberCore mc = temp_ds.GetDefinition (mi.Name);
209 if (mc != null)
210 SymbolRelatedToPreviousError (mc);
211 }
212 }
213
214 public void SymbolRelatedToPreviousError (MemberCore mc)
215 {
216 SymbolRelatedToPreviousError (mc.Location, mc.GetSignatureForError ());
217 }
218
219 public void SymbolRelatedToPreviousError (Type type)
220 {
221 if (reporting_disabled > 0 || !printer.HasRelatedSymbolSupport)
222 return;
223
224 type = TypeManager.DropGenericTypeArguments (type);
225
226 if (TypeManager.IsGenericParameter (type)) {
227 TypeParameter tp = TypeManager.LookupTypeParameter (type);
228 if (tp != null) {
229 SymbolRelatedToPreviousError (tp.Location, "");
230 return;
231 }
232 }
233
234 if (type is TypeBuilder) {
235 DeclSpace temp_ds = TypeManager.LookupDeclSpace (type);
236 SymbolRelatedToPreviousError (temp_ds.Location, TypeManager.CSharpName (type));
237 } else if (TypeManager.HasElementType (type)) {
238 SymbolRelatedToPreviousError (TypeManager.GetElementType (type));
239 } else {
240 SymbolRelatedToPreviousError (type.Assembly.Location, TypeManager.CSharpName (type));
241 }
242 }
243
244 void SymbolRelatedToPreviousError (string loc, string symbol)
245 {
246 string msg = String.Format ("{0} (Location of the symbol related to previous ", loc);
247 if (extra_information.Contains (msg))
248 return;
249
250 extra_information.Add (msg);
251 }
252
253 public void AddWarningAsError (string warningId)
254 {
255 int id;
256 try {
257 id = int.Parse (warningId);
258 } catch {
259 id = -1;
260 }
261
262 if (!CheckWarningCode (id, warningId, Location.Null))
263 return;
264
265 if (warnings_as_error == null)
266 warnings_as_error = new List<int> ();
267
268 warnings_as_error.Add (id);
269 }
270
271 public void RemoveWarningAsError (string warningId)
272 {
273 int id;
274 try {
275 id = int.Parse (warningId);
276 } catch {
277 id = -1;
278 }
279
280 if (!CheckWarningCode (id, warningId, Location.Null))
281 return;
282
283 if (warnings_only == null)
284 warnings_only = new List<int> ();
285
286 warnings_only.Add (id);
287 }
288
289 public bool CheckWarningCode (int code, Location loc)
290 {
291 return CheckWarningCode (code, code.ToString (), loc);
292 }
293
294 public bool CheckWarningCode (int code, string scode, Location loc)
295 {
296 if (IsValidWarning (code))
297 return true;
298
299 Warning (1691, 1, loc, "`{0}' is not a valid warning number", scode);
300 return false;
301 }
302
303 public void ExtraInformation (Location loc, string msg)
304 {
305 extra_information.Add (String.Format ("{0} {1}", loc, msg));
306 }
307
308 public WarningRegions RegisterWarningRegion (Location location)
309 {
310 WarningRegions regions;
311 if (warning_regions_table == null) {
312 regions = null;
313 warning_regions_table = new Dictionary<string, WarningRegions> ();
314 } else {
315 warning_regions_table.TryGetValue (location.Name, out regions);
316 }
317
318 if (regions == null) {
319 regions = new WarningRegions ();
320 warning_regions_table.Add (location.Name, regions);
321 }
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
397 public void Error (int code, Location loc, string format, string arg)
398 {
399 Error (code, loc, String.Format (format, arg));
400 }
401
402 public void Error (int code, Location loc, string format, string arg1, string arg2)
403 {
404 Error (code, loc, String.Format (format, arg1, arg2));
405 }
406
407 public void Error (int code, Location loc, string format, params object[] args)
408 {
409 Error (code, loc, String.Format (format, args));
410 }
411
412 public void Error (int code, string error)
413 {
414 Error (code, Location.Null, error);
415 }
416
417 public void Error (int code, string format, string arg)
418 {
419 Error (code, Location.Null, format, arg);
420 }
421
422 public void Error (int code, string format, string arg1, string arg2)
423 {
424 Error (code, Location.Null, format, arg1, arg2);
425 }
426
427 public void Error (int code, string format, params string[] args)
428 {
429 Error (code, Location.Null, String.Format (format, args));
430 }
431
432 //
433 // Errors encountered so far
434 //
435 public int Errors {
436 get { return printer.ErrorsCount; }
437 }
438
439 public ReportPrinter Printer {
440 get { return printer; }
441 }
442
443 public void SetIgnoreWarning (int code)
444 {
445 if (warning_ignore_table == null)
446 warning_ignore_table = new Dictionary<int, bool> ();
447
448 warning_ignore_table [code] = true;
449 }
450
451 public ReportPrinter SetPrinter (ReportPrinter printer)
452 {
453 ReportPrinter old = this.printer;
454 this.printer = printer;
455 return old;
456 }
457
458 public int WarningLevel {
459 get {
460 return warning_level;
461 }
462 set {
463 warning_level = value;
464 }
465 }
466
467 [Conditional ("MCS_DEBUG")]
468 static public void Debug (string message, params object[] args)
469 {
470 Debug (4, message, args);
471 }
472
473 [Conditional ("MCS_DEBUG")]
474 static public void Debug (int category, string message, params object[] args)
475 {
476 if ((category & DebugFlags) == 0)
477 return;
478
479 StringBuilder sb = new StringBuilder (message);
480
481 if ((args != null) && (args.Length > 0)) {
482 sb.Append (": ");
483
484 bool first = true;
485 foreach (object arg in args) {
486 if (first)
487 first = false;
488 else
489 sb.Append (", ");
490 if (arg == null)
491 sb.Append ("null");
492 // else if (arg is ICollection)
493 // sb.Append (PrintCollection ((ICollection) arg));
494 else
495 sb.Append (arg);
496 }
497 }
498
499 Console.WriteLine (sb.ToString ());
500 }
501 /*
502 static public string PrintCollection (ICollection collection)
503 {
504 StringBuilder sb = new StringBuilder ();
505
506 sb.Append (collection.GetType ());
507 sb.Append ("(");
508
509 bool first = true;
510 foreach (object o in collection) {
511 if (first)
512 first = false;
513 else
514 sb.Append (", ");
515 sb.Append (o);
516 }
517
518 sb.Append (")");
519 return sb.ToString ();
520 }
521 */
522 }
523
524 public abstract class AbstractMessage
525 {
526 readonly string[] extra_info;
527 protected readonly int code;
528 protected readonly Location location;
529 readonly string message;
530
531 protected AbstractMessage (int code, Location loc, string msg, List<string> extraInfo)
532 {
533 this.code = code;
534 if (code < 0)
535 this.code = 8000 - code;
536
537 this.location = loc;
538 this.message = msg;
539 if (extraInfo.Count != 0) {
540 this.extra_info = extraInfo.ToArray ();
541 }
542 }
543
544 protected AbstractMessage (AbstractMessage aMsg)
545 {
546 this.code = aMsg.code;
547 this.location = aMsg.location;
548 this.message = aMsg.message;
549 this.extra_info = aMsg.extra_info;
550 }
551
552 public int Code {
553 get { return code; }
554 }
555
556 public override bool Equals (object obj)
557 {
558 AbstractMessage msg = obj as AbstractMessage;
559 if (msg == null)
560 return false;
561
562 return code == msg.code && location.Equals (msg.location) && message == msg.message;
563 }
564
565 public override int GetHashCode ()
566 {
567 return code.GetHashCode ();
568 }
569
570 public abstract bool IsWarning { get; }
571
572 public Location Location {
573 get { return location; }
574 }
575
576 public abstract string MessageType { get; }
577
578 public string[] RelatedSymbols {
579 get { return extra_info; }
580 }
581
582 public string Text {
583 get { return message; }
584 }
585 }
586
587 sealed class WarningMessage : AbstractMessage
588 {
589 public WarningMessage (int code, Location loc, string message, List<string> extra_info)
590 : base (code, loc, message, extra_info)
591 {
592 }
593
594 public override bool IsWarning {
595 get { return true; }
596 }
597
598 public override string MessageType {
599 get {
600 return "warning";
601 }
602 }
603 }
604
605 sealed class ErrorMessage : AbstractMessage
606 {
607 public ErrorMessage (int code, Location loc, string message, List<string> extraInfo)
608 : base (code, loc, message, extraInfo)
609 {
610 }
611
612 public ErrorMessage (AbstractMessage aMsg)
613 : base (aMsg)
614 {
615 }
616
617 public override bool IsWarning {
618 get { return false; }
619 }
620
621 public override string MessageType {
622 get {
623 return "error";
624 }
625 }
626 }
627
628 //
629 // Generic base for any message writer
630 //
631 public abstract class ReportPrinter
632 {
633 /// <summary>
634 /// Whether to dump a stack trace on errors.
635 /// </summary>
636 public bool Stacktrace;
637
638 int warnings, errors;
639
640 public int WarningsCount {
641 get { return warnings; }
642 }
643
644 public int ErrorsCount {
645 get { return errors; }
646 }
647
648 protected virtual string FormatText (string txt)
649 {
650 return txt;
651 }
652
653 //
654 // When (symbols related to previous ...) can be used
655 //
656 public virtual bool HasRelatedSymbolSupport {
657 get { return true; }
658 }
659
660 public virtual void Print (AbstractMessage msg)
661 {
662 if (msg.IsWarning)
663 ++warnings;
664 else
665 ++errors;
666 }
667
668 protected void Print (AbstractMessage msg, TextWriter output)
669 {
670 StringBuilder txt = new StringBuilder ();
671 if (!msg.Location.IsNull) {
672 txt.Append (msg.Location.ToString ());
673 txt.Append (" ");
674 }
675
676 txt.AppendFormat ("{0} CS{1:0000}: {2}", msg.MessageType, msg.Code, msg.Text);
677
678 if (!msg.IsWarning)
679 output.WriteLine (FormatText (txt.ToString ()));
680 else
681 output.WriteLine (txt.ToString ());
682
683 if (msg.RelatedSymbols != null) {
684 foreach (string s in msg.RelatedSymbols)
685 output.WriteLine (s + msg.MessageType + ")");
686 }
687 }
688 }
689
690 //
691 // Default message recorder, it uses two types of message groups.
692 // Common messages: messages reported in all sessions.
693 // Merged messages: union of all messages in all sessions.
694 //
695 // Used by the Lambda expressions to compile the code with various
696 // parameter values, or by attribute resolver
697 //
698 class SessionReportPrinter : ReportPrinter
699 {
700 List<AbstractMessage> session_messages;
701 //
702 // A collection of exactly same messages reported in all sessions
703 //
704 List<AbstractMessage> common_messages;
705
706 //
707 // A collection of unique messages reported in all sessions
708 //
709 List<AbstractMessage> merged_messages;
710
711 public override void Print (AbstractMessage msg)
712 {
713 //
714 // This line is useful when debugging recorded messages
715 //
716 // Console.WriteLine ("RECORDING: {0} {1} {2}", code, location, message);
717
718 if (session_messages == null)
719 session_messages = new List<AbstractMessage> ();
720
721 session_messages.Add (msg);
722
723 base.Print (msg);
724 }
725
726 public void EndSession ()
727 {
728 if (session_messages == null)
729 return;
730
731 //
732 // Handles the first session
733 //
734 if (common_messages == null) {
735 common_messages = new List<AbstractMessage> (session_messages);
736 merged_messages = session_messages;
737 session_messages = null;
738 return;
739 }
740
741 //
742 // Store common messages if any
743 //
744 for (int i = 0; i < common_messages.Count; ++i) {
745 AbstractMessage cmsg = (AbstractMessage) common_messages[i];
746 bool common_msg_found = false;
747 foreach (AbstractMessage msg in session_messages) {
748 if (cmsg.Equals (msg)) {
749 common_msg_found = true;
750 break;
751 }
752 }
753
754 if (!common_msg_found)
755 common_messages.RemoveAt (i);
756 }
757
758 //
759 // Merge session and previous messages
760 //
761 for (int i = 0; i < session_messages.Count; ++i) {
762 AbstractMessage msg = (AbstractMessage) session_messages[i];
763 bool msg_found = false;
764 for (int ii = 0; ii < merged_messages.Count; ++ii) {
765 if (msg.Equals (merged_messages[ii])) {
766 msg_found = true;
767 break;
768 }
769 }
770
771 if (!msg_found)
772 merged_messages.Add (msg);
773 }
774 }
775
776 public bool IsEmpty {
777 get {
778 return merged_messages == null && common_messages == null;
779 }
780 }
781
782 //
783 // Prints collected messages, common messages have a priority
784 //
785 public bool Merge (ReportPrinter dest)
786 {
787 var messages_to_print = merged_messages;
788 if (common_messages != null && common_messages.Count > 0) {
789 messages_to_print = common_messages;
790 }
791
792 if (messages_to_print == null)
793 return false;
794
795 foreach (AbstractMessage msg in messages_to_print)
796 dest.Print (msg);
797
798 return true;
799 }
800 }
801
802 class StreamReportPrinter : ReportPrinter
803 {
804 readonly TextWriter writer;
805
806 public StreamReportPrinter (TextWriter writer)
807 {
808 this.writer = writer;
809 }
810
811 public override void Print (AbstractMessage msg)
812 {
813 Print (msg, writer);
814 base.Print (msg);
815 }
816 }
817
818 class ConsoleReportPrinter : StreamReportPrinter
819 {
820 static readonly string prefix, postfix;
821
822 static ConsoleReportPrinter ()
823 {
824 string term = Environment.GetEnvironmentVariable ("TERM");
825 bool xterm_colors = false;
826
827 switch (term){
828 case "xterm":
829 case "rxvt":
830 case "rxvt-unicode":
831 if (Environment.GetEnvironmentVariable ("COLORTERM") != null){
832 xterm_colors = true;
833 }
834 break;
835
836 case "xterm-color":
837 xterm_colors = true;
838 break;
839 }
840 if (!xterm_colors)
841 return;
842
843 if (!(UnixUtils.isatty (1) && UnixUtils.isatty (2)))
844 return;
845
846 string config = Environment.GetEnvironmentVariable ("MCS_COLORS");
847 if (config == null){
848 config = "errors=red";
849 //config = "brightwhite,red";
850 }
851
852 if (config == "disable")
853 return;
854
855 if (!config.StartsWith ("errors="))
856 return;
857
858 config = config.Substring (7);
859
860 int p = config.IndexOf (",");
861 if (p == -1)
862 prefix = GetForeground (config);
863 else
864 prefix = GetBackground (config.Substring (p+1)) + GetForeground (config.Substring (0, p));
865 postfix = "\x001b[0m";
866 }
867
868 public ConsoleReportPrinter ()
869 : base (Console.Error)
870 {
871 }
872
873 public ConsoleReportPrinter (TextWriter writer)
874 : base (writer)
875 {
876 }
877
878 public bool Fatal { get; set; }
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 if (Fatal)
977 throw new Exception (msg.Text);
978 }
979
980 public static string FriendlyStackTrace (Exception e)
981 {
982 return FriendlyStackTrace (new StackTrace (e, true));
983 }
984
985 public static void StackTrace ()
986 {
987 Console.WriteLine (FriendlyStackTrace (new StackTrace (true)));
988 }
989 }
990
991 public enum TimerType {
992 FindMembers = 0,
993 TcFindMembers = 1,
994 MemberLookup = 2,
995 CachedLookup = 3,
996 CacheInit = 4,
997 MiscTimer = 5,
998 CountTimers = 6
999 }
1000
1001 public enum CounterType {
1002 FindMembers = 0,
1003 MemberCache = 1,
1004 MiscCounter = 2,
1005 CountCounters = 3
1006 }
1007
1008 public class Timer
1009 {
1010 static DateTime[] timer_start;
1011 static TimeSpan[] timers;
1012 static long[] timer_counters;
1013 static long[] counters;
1014
1015 static Timer ()
1016 {
1017 timer_start = new DateTime [(int) TimerType.CountTimers];
1018 timers = new TimeSpan [(int) TimerType.CountTimers];
1019 timer_counters = new long [(int) TimerType.CountTimers];
1020 counters = new long [(int) CounterType.CountCounters];
1021
1022 for (int i = 0; i < (int) TimerType.CountTimers; i++) {
1023 timer_start [i] = DateTime.Now;
1024 timers [i] = TimeSpan.Zero;
1025 }
1026 }
1027
1028 [Conditional("TIMER")]
1029 static public void IncrementCounter (CounterType which)
1030 {
1031 ++counters [(int) which];
1032 }
1033
1034 [Conditional("TIMER")]
1035 static public void StartTimer (TimerType which)
1036 {
1037 timer_start [(int) which] = DateTime.Now;
1038 }
1039
1040 [Conditional("TIMER")]
1041 static public void StopTimer (TimerType which)
1042 {
1043 timers [(int) which] += DateTime.Now - timer_start [(int) which];
1044 ++timer_counters [(int) which];
1045 }
1046
1047 [Conditional("TIMER")]
1048 static public void ShowTimers ()
1049 {
1050 ShowTimer (TimerType.FindMembers, "- FindMembers timer");
1051 ShowTimer (TimerType.TcFindMembers, "- TypeContainer.FindMembers timer");
1052 ShowTimer (TimerType.MemberLookup, "- MemberLookup timer");
1053 ShowTimer (TimerType.CachedLookup, "- CachedLookup timer");
1054 ShowTimer (TimerType.CacheInit, "- Cache init");
1055 ShowTimer (TimerType.MiscTimer, "- Misc timer");
1056
1057 ShowCounter (CounterType.FindMembers, "- Find members");
1058 ShowCounter (CounterType.MemberCache, "- Member cache");
1059 ShowCounter (CounterType.MiscCounter, "- Misc counter");
1060 }
1061
1062 static public void ShowCounter (CounterType which, string msg)
1063 {
1064 Console.WriteLine ("{0} {1}", counters [(int) which], msg);
1065 }
1066
1067 static public void ShowTimer (TimerType which, string msg)
1068 {
1069 Console.WriteLine (
1070 "[{0:00}:{1:000}] {2} (used {3} times)",
1071 (int) timers [(int) which].TotalSeconds,
1072 timers [(int) which].Milliseconds, msg,
1073 timer_counters [(int) which]);
1074 }
1075 }
1076
1077 public class InternalErrorException : Exception {
1078 public InternalErrorException (MemberCore mc, Exception e)
1079 : base (mc.Location + " " + mc.GetSignatureForError (), e)
1080 {
1081 }
1082
1083 public InternalErrorException ()
1084 : base ("Internal error")
1085 {
1086 }
1087
1088 public InternalErrorException (string message)
1089 : base (message)
1090 {
1091 }
1092
1093 public InternalErrorException (string message, params object[] args)
1094 : base (String.Format (message, args))
1095 { }
1096
1097 public InternalErrorException (Exception e, Location loc)
1098 : base (loc.ToString (), e)
1099 {
1100 }
1101 }
1102
1103 /// <summary>
1104 /// Handles #pragma warning
1105 /// </summary>
1106 public class WarningRegions {
1107
1108 abstract class PragmaCmd
1109 {
1110 public int Line;
1111
1112 protected PragmaCmd (int line)
1113 {
1114 Line = line;
1115 }
1116
1117 public abstract bool IsEnabled (int code, bool previous);
1118 }
1119
1120 class Disable : PragmaCmd
1121 {
1122 int code;
1123 public Disable (int line, int code)
1124 : base (line)
1125 {
1126 this.code = code;
1127 }
1128
1129 public override bool IsEnabled (int code, bool previous)
1130 {
1131 return this.code == code ? false : previous;
1132 }
1133 }
1134
1135 class DisableAll : PragmaCmd
1136 {
1137 public DisableAll (int line)
1138 : base (line) {}
1139
1140 public override bool IsEnabled(int code, bool previous)
1141 {
1142 return false;
1143 }
1144 }
1145
1146 class Enable : PragmaCmd
1147 {
1148 int code;
1149 public Enable (int line, int code)
1150 : base (line)
1151 {
1152 this.code = code;
1153 }
1154
1155 public override bool IsEnabled(int code, bool previous)
1156 {
1157 return this.code == code ? true : previous;
1158 }
1159 }
1160
1161 class EnableAll : PragmaCmd
1162 {
1163 public EnableAll (int line)
1164 : base (line) {}
1165
1166 public override bool IsEnabled(int code, bool previous)
1167 {
1168 return true;
1169 }
1170 }
1171
1172
1173 List<PragmaCmd> regions = new List<PragmaCmd> ();
1174
1175 public void WarningDisable (int line)
1176 {
1177 regions.Add (new DisableAll (line));
1178 }
1179
1180 public void WarningDisable (Location location, int code, Report Report)
1181 {
1182 if (Report.CheckWarningCode (code, location))
1183 regions.Add (new Disable (location.Row, code));
1184 }
1185
1186 public void WarningEnable (int line)
1187 {
1188 regions.Add (new EnableAll (line));
1189 }
1190
1191 public void WarningEnable (Location location, int code, Report Report)
1192 {
1193 if (Report.CheckWarningCode (code, location))
1194 regions.Add (new Enable (location.Row, code));
1195 }
1196
1197 public bool IsWarningEnabled (int code, int src_line)
1198 {
1199 bool result = true;
1200 foreach (PragmaCmd pragma in regions) {
1201 if (src_line < pragma.Line)
1202 break;
1203
1204 result = pragma.IsEnabled (code, result);
1205 }
1206 return result;
1207 }
1208 }
1209 }
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