?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
2010-01-12 Zoltan Varga <vargaz@gmail.com>
[mcs.git] / mcs / report.cs
blobaf4724bdd6c33f686455846c93eb1c2c58116b6a
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,
64 419, 420, 429, 436, 440, 465, 467, 469, 472,
65 612, 618, 626, 628, 642, 649, 652, 658, 659, 660, 661, 665, 672, 675,
66 809,
67 1030, 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 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, 3026, 3027,
76
77 414, // Non ISO-1 warnings
78 #if GMCS_SOURCE
79 402, 458, 464, 693, 1058, 1700, 3024
80 #endif
81 };
82
83 static Report ()
84 {
85 // Just to be sure that binary search is working
86 Array.Sort (AllWarnings);
87 }
88
89 public Report (ReportPrinter printer)
90 {
91 if (printer == null)
92 throw new ArgumentNullException ("printer");
93
94 this.printer = printer;
95 warning_level = 4;
96 }
97
98 public void DisableReporting ()
99 {
100 ++reporting_disabled;
101 }
102
103 public void EnableReporting ()
104 {
105 --reporting_disabled;
106 }
107
108 public void FeatureIsNotAvailable (Location loc, string feature)
109 {
110 string version;
111 switch (RootContext.Version) {
112 case LanguageVersion.ISO_1:
113 version = "1.0";
114 break;
115 case LanguageVersion.ISO_2:
116 version = "2.0";
117 break;
118 case LanguageVersion.V_3:
119 version = "3.0";
120 break;
121 default:
122 throw new InternalErrorException ("Invalid feature version", RootContext.Version);
123 }
124
125 Error (1644, loc,
126 "Feature `{0}' cannot be used because it is not part of the C# {1} language specification",
127 feature, version);
128 }
129
130 public void FeatureIsNotSupported (Location loc, string feature)
131 {
132 Error (1644, loc,
133 "Feature `{0}' is not supported in Mono mcs1 compiler. Consider using the `gmcs' compiler instead",
134 feature);
135 }
136
137 static bool IsValidWarning (int code)
138 {
139 return Array.BinarySearch (AllWarnings, code) >= 0;
140 }
141
142 bool IsWarningEnabled (int code, int level, Location loc)
143 {
144 if (WarningLevel < level)
145 return false;
146
147 if (warning_ignore_table != null) {
148 if (warning_ignore_table.Contains (code)) {
149 return false;
150 }
151 }
152
153 if (warning_regions_table == null || loc.IsNull)
154 return true;
155
156 WarningRegions regions = (WarningRegions) warning_regions_table [loc.Name];
157 if (regions == null)
158 return true;
159
160 return regions.IsWarningEnabled (code, loc.Row);
161 }
162
163 bool IsWarningAsError (int code)
164 {
165 bool is_error = WarningsAreErrors;
166
167 // Check specific list
168 if (warnings_as_error != null)
169 is_error |= warnings_as_error.Contains (code);
170
171 // Ignore excluded warnings
172 if (warnings_only != null && warnings_only.Contains (code))
173 is_error = false;
174
175 return is_error;
176 }
177
178 public void RuntimeMissingSupport (Location loc, string feature)
179 {
180 Error (-88, loc, "Your .NET Runtime does not support `{0}'. Please use the latest Mono runtime instead.", feature);
181 }
182
183 /// <summary>
184 /// In most error cases is very useful to have information about symbol that caused the error.
185 /// Call this method before you call Report.Error when it makes sense.
186 /// </summary>
187 public void SymbolRelatedToPreviousError (Location loc, string symbol)
188 {
189 SymbolRelatedToPreviousError (loc.ToString (), symbol);
190 }
191
192 public void SymbolRelatedToPreviousError (MemberInfo mi)
193 {
194 if (reporting_disabled > 0 || !printer.HasRelatedSymbolSupport)
195 return;
196
197 Type dt = TypeManager.DropGenericTypeArguments (mi.DeclaringType);
198 if (TypeManager.IsDelegateType (dt)) {
199 SymbolRelatedToPreviousError (dt);
200 return;
201 }
202
203 DeclSpace temp_ds = TypeManager.LookupDeclSpace (dt);
204 if (temp_ds == null) {
205 SymbolRelatedToPreviousError (dt.Assembly.Location, TypeManager.GetFullNameSignature (mi));
206 } else {
207 MethodBase mb = mi as MethodBase;
208 if (mb != null) {
209 mb = TypeManager.DropGenericMethodArguments (mb);
210 IMethodData md = TypeManager.GetMethod (mb);
211 if (md != null)
212 SymbolRelatedToPreviousError (md.Location, md.GetSignatureForError ());
213
214 return;
215 }
216
217 // FIXME: Completely wrong, it has to use FindMembers
218 MemberCore mc = temp_ds.GetDefinition (mi.Name);
219 if (mc != null)
220 SymbolRelatedToPreviousError (mc);
221 }
222 }
223
224 public void SymbolRelatedToPreviousError (MemberCore mc)
225 {
226 SymbolRelatedToPreviousError (mc.Location, mc.GetSignatureForError ());
227 }
228
229 public void SymbolRelatedToPreviousError (Type type)
230 {
231 if (reporting_disabled > 0 || !printer.HasRelatedSymbolSupport)
232 return;
233
234 type = TypeManager.DropGenericTypeArguments (type);
235
236 if (TypeManager.IsGenericParameter (type)) {
237 TypeParameter tp = TypeManager.LookupTypeParameter (type);
238 if (tp != null) {
239 SymbolRelatedToPreviousError (tp.Location, "");
240 return;
241 }
242 }
243
244 if (type is TypeBuilder) {
245 DeclSpace temp_ds = TypeManager.LookupDeclSpace (type);
246 SymbolRelatedToPreviousError (temp_ds.Location, TypeManager.CSharpName (type));
247 } else if (TypeManager.HasElementType (type)) {
248 SymbolRelatedToPreviousError (TypeManager.GetElementType (type));
249 } else {
250 SymbolRelatedToPreviousError (type.Assembly.Location, TypeManager.CSharpName (type));
251 }
252 }
253
254 void SymbolRelatedToPreviousError (string loc, string symbol)
255 {
256 string msg = String.Format ("{0} (Location of the symbol related to previous ", loc);
257 if (extra_information.Contains (msg))
258 return;
259
260 extra_information.Add (msg);
261 }
262
263 public void AddWarningAsError (string warningId)
264 {
265 int id;
266 try {
267 id = int.Parse (warningId);
268 } catch {
269 id = -1;
270 }
271
272 if (!CheckWarningCode (id, warningId, Location.Null))
273 return;
274
275 if (warnings_as_error == null)
276 warnings_as_error = new ArrayList ();
277
278 warnings_as_error.Add (id);
279 }
280
281 public void RemoveWarningAsError (string warningId)
282 {
283 int id;
284 try {
285 id = int.Parse (warningId);
286 } catch {
287 id = -1;
288 }
289
290 if (!CheckWarningCode (id, warningId, Location.Null))
291 return;
292
293 if (warnings_only == null)
294 warnings_only = new ArrayList ();
295
296 warnings_only.Add (id);
297 }
298
299 public bool CheckWarningCode (int code, Location loc)
300 {
301 return CheckWarningCode (code, code.ToString (), loc);
302 }
303
304 public bool CheckWarningCode (int code, string scode, Location loc)
305 {
306 if (IsValidWarning (code))
307 return true;
308
309 Warning (1691, 1, loc, "`{0}' is not a valid warning number", scode);
310 return false;
311 }
312
313 public void ExtraInformation (Location loc, string msg)
314 {
315 extra_information.Add (String.Format ("{0} {1}", loc, msg));
316 }
317
318 public WarningRegions RegisterWarningRegion (Location location)
319 {
320 if (warning_regions_table == null)
321 warning_regions_table = new Hashtable ();
322
323 WarningRegions regions = (WarningRegions)warning_regions_table [location.Name];
324 if (regions == null) {
325 regions = new WarningRegions ();
326 warning_regions_table.Add (location.Name, regions);
327 }
328 return regions;
329 }
330
331 public void Warning (int code, int level, Location loc, string message)
332 {
333 if (reporting_disabled > 0)
334 return;
335
336 if (!IsWarningEnabled (code, level, loc))
337 return;
338
339 AbstractMessage msg;
340 if (IsWarningAsError (code))
341 msg = new ErrorMessage (code, loc, message, extra_information);
342 else
343 msg = new WarningMessage (code, loc, message, extra_information);
344
345 extra_information.Clear ();
346 printer.Print (msg);
347 }
348
349 public void Warning (int code, int level, Location loc, string format, string arg)
350 {
351 Warning (code, level, loc, String.Format (format, arg));
352 }
353
354 public void Warning (int code, int level, Location loc, string format, string arg1, string arg2)
355 {
356 Warning (code, level, loc, String.Format (format, arg1, arg2));
357 }
358
359 public void Warning (int code, int level, Location loc, string format, params object[] args)
360 {
361 Warning (code, level, loc, String.Format (format, args));
362 }
363
364 public void Warning (int code, int level, string message)
365 {
366 Warning (code, level, Location.Null, message);
367 }
368
369 public void Warning (int code, int level, string format, string arg)
370 {
371 Warning (code, level, Location.Null, format, arg);
372 }
373
374 public void Warning (int code, int level, string format, string arg1, string arg2)
375 {
376 Warning (code, level, Location.Null, format, arg1, arg2);
377 }
378
379 public void Warning (int code, int level, string format, params string[] args)
380 {
381 Warning (code, level, Location.Null, String.Format (format, args));
382 }
383
384 //
385 // Warnings encountered so far
386 //
387 public int Warnings {
388 get { return printer.WarningsCount; }
389 }
390
391 public void Error (int code, Location loc, string error)
392 {
393 if (reporting_disabled > 0)
394 return;
395
396 ErrorMessage msg = new ErrorMessage (code, loc, error, extra_information);
397 extra_information.Clear ();
398
399 printer.Print (msg);
400
401 if (Fatal)
402 throw new Exception (msg.Text);
403 }
404
405 public void Error (int code, Location loc, string format, string arg)
406 {
407 Error (code, loc, String.Format (format, arg));
408 }
409
410 public void Error (int code, Location loc, string format, string arg1, string arg2)
411 {
412 Error (code, loc, String.Format (format, arg1, arg2));
413 }
414
415 public void Error (int code, Location loc, string format, params object[] args)
416 {
417 Error (code, loc, String.Format (format, args));
418 }
419
420 public void Error (int code, string error)
421 {
422 Error (code, Location.Null, error);
423 }
424
425 public void Error (int code, string format, string arg)
426 {
427 Error (code, Location.Null, format, arg);
428 }
429
430 public void Error (int code, string format, string arg1, string arg2)
431 {
432 Error (code, Location.Null, format, arg1, arg2);
433 }
434
435 public void Error (int code, string format, params string[] args)
436 {
437 Error (code, Location.Null, String.Format (format, args));
438 }
439
440 //
441 // Errors encountered so far
442 //
443 public int Errors {
444 get { return printer.ErrorsCount; }
445 }
446
447 public ReportPrinter Printer {
448 get { return printer; }
449 }
450
451 public void SetIgnoreWarning (int code)
452 {
453 if (warning_ignore_table == null)
454 warning_ignore_table = new Hashtable ();
455
456 warning_ignore_table [code] = true;
457 }
458
459 public ReportPrinter SetPrinter (ReportPrinter printer)
460 {
461 ReportPrinter old = this.printer;
462 this.printer = printer;
463 return old;
464 }
465
466 public int WarningLevel {
467 get {
468 return warning_level;
469 }
470 set {
471 warning_level = value;
472 }
473 }
474
475 [Conditional ("MCS_DEBUG")]
476 static public void Debug (string message, params object[] args)
477 {
478 Debug (4, message, args);
479 }
480
481 [Conditional ("MCS_DEBUG")]
482 static public void Debug (int category, string message, params object[] args)
483 {
484 if ((category & DebugFlags) == 0)
485 return;
486
487 StringBuilder sb = new StringBuilder (message);
488
489 if ((args != null) && (args.Length > 0)) {
490 sb.Append (": ");
491
492 bool first = true;
493 foreach (object arg in args) {
494 if (first)
495 first = false;
496 else
497 sb.Append (", ");
498 if (arg == null)
499 sb.Append ("null");
500 else if (arg is ICollection)
501 sb.Append (PrintCollection ((ICollection) arg));
502 else
503 sb.Append (arg);
504 }
505 }
506
507 Console.WriteLine (sb.ToString ());
508 }
509
510 static public string PrintCollection (ICollection collection)
511 {
512 StringBuilder sb = new StringBuilder ();
513
514 sb.Append (collection.GetType ());
515 sb.Append ("(");
516
517 bool first = true;
518 foreach (object o in collection) {
519 if (first)
520 first = false;
521 else
522 sb.Append (", ");
523 sb.Append (o);
524 }
525
526 sb.Append (")");
527 return sb.ToString ();
528 }
529 }
530
531 public abstract class AbstractMessage
532 {
533 readonly string[] extra_info;
534 protected readonly int code;
535 protected readonly Location location;
536 readonly string message;
537
538 protected AbstractMessage (int code, Location loc, string msg, ArrayList extraInfo)
539 {
540 this.code = code;
541 if (code < 0)
542 this.code = 8000 - code;
543
544 this.location = loc;
545 this.message = msg;
546 if (extraInfo.Count != 0) {
547 this.extra_info = (string[])extraInfo.ToArray (typeof (string));
548 }
549 }
550
551 protected AbstractMessage (AbstractMessage aMsg)
552 {
553 this.code = aMsg.code;
554 this.location = aMsg.location;
555 this.message = aMsg.message;
556 this.extra_info = aMsg.extra_info;
557 }
558
559 public int Code {
560 get { return code; }
561 }
562
563 public override bool Equals (object obj)
564 {
565 AbstractMessage msg = obj as AbstractMessage;
566 if (msg == null)
567 return false;
568
569 return code == msg.code && location.Equals (msg.location) && message == msg.message;
570 }
571
572 public override int GetHashCode ()
573 {
574 return code.GetHashCode ();
575 }
576
577 public abstract bool IsWarning { get; }
578
579 public Location Location {
580 get { return location; }
581 }
582
583 public abstract string MessageType { get; }
584
585 public string[] RelatedSymbols {
586 get { return extra_info; }
587 }
588
589 public string Text {
590 get { return message; }
591 }
592 }
593
594 sealed class WarningMessage : AbstractMessage
595 {
596 public WarningMessage (int code, Location loc, string message, ArrayList extra_info)
597 : base (code, loc, message, extra_info)
598 {
599 }
600
601 public override bool IsWarning {
602 get { return true; }
603 }
604
605 public override string MessageType {
606 get {
607 return "warning";
608 }
609 }
610 }
611
612 sealed class ErrorMessage : AbstractMessage
613 {
614 public ErrorMessage (int code, Location loc, string message, ArrayList extraInfo)
615 : base (code, loc, message, extraInfo)
616 {
617 }
618
619 public ErrorMessage (AbstractMessage aMsg)
620 : base (aMsg)
621 {
622 }
623
624 public override bool IsWarning {
625 get { return false; }
626 }
627
628 public override string MessageType {
629 get {
630 return "error";
631 }
632 }
633 }
634
635 //
636 // Generic base for any message writer
637 //
638 public abstract class ReportPrinter
639 {
640 /// <summary>
641 /// Whether to dump a stack trace on errors.
642 /// </summary>
643 public bool Stacktrace;
644
645 int warnings, errors;
646
647 public int WarningsCount {
648 get { return warnings; }
649 }
650
651 public int ErrorsCount {
652 get { return errors; }
653 }
654
655 protected virtual string FormatText (string txt)
656 {
657 return txt;
658 }
659
660 //
661 // When (symbols related to previous ...) can be used
662 //
663 public virtual bool HasRelatedSymbolSupport {
664 get { return true; }
665 }
666
667 public virtual void Print (AbstractMessage msg)
668 {
669 if (msg.IsWarning)
670 ++warnings;
671 else
672 ++errors;
673 }
674
675 protected void Print (AbstractMessage msg, TextWriter output)
676 {
677 StringBuilder txt = new StringBuilder ();
678 if (!msg.Location.IsNull) {
679 txt.Append (msg.Location.ToString ());
680 txt.Append (" ");
681 }
682
683 txt.AppendFormat ("{0} CS{1:0000}: {2}", msg.MessageType, msg.Code, msg.Text);
684
685 if (!msg.IsWarning)
686 output.WriteLine (FormatText (txt.ToString ()));
687 else
688 output.WriteLine (txt.ToString ());
689
690 if (msg.RelatedSymbols != null) {
691 foreach (string s in msg.RelatedSymbols)
692 output.WriteLine (s + msg.MessageType + ")");
693 }
694 }
695 }
696
697 //
698 // Default message recorder, it uses two types of message groups.
699 // Common messages: messages reported in all sessions.
700 // Merged messages: union of all messages in all sessions.
701 //
702 // Used by the Lambda expressions to compile the code with various
703 // parameter values, or by attribute resolver
704 //
705 class SessionReportPrinter : ReportPrinter
706 {
707 ArrayList session_messages;
708 //
709 // A collection of exactly same messages reported in all sessions
710 //
711 ArrayList common_messages;
712
713 //
714 // A collection of unique messages reported in all sessions
715 //
716 ArrayList merged_messages;
717
718 public override void Print (AbstractMessage msg)
719 {
720 //
721 // This line is useful when debugging recorded messages
722 //
723 // Console.WriteLine ("RECORDING: {0} {1} {2}", code, location, message);
724
725 if (session_messages == null)
726 session_messages = new ArrayList ();
727
728 session_messages.Add (msg);
729
730 base.Print (msg);
731 }
732
733 public void EndSession ()
734 {
735 if (session_messages == null)
736 return;
737
738 //
739 // Handles the first session
740 //
741 if (common_messages == null) {
742 common_messages = new ArrayList (session_messages);
743 merged_messages = session_messages;
744 session_messages = null;
745 return;
746 }
747
748 //
749 // Store common messages if any
750 //
751 for (int i = 0; i < common_messages.Count; ++i) {
752 AbstractMessage cmsg = (AbstractMessage) common_messages[i];
753 bool common_msg_found = false;
754 foreach (AbstractMessage msg in session_messages) {
755 if (cmsg.Equals (msg)) {
756 common_msg_found = true;
757 break;
758 }
759 }
760
761 if (!common_msg_found)
762 common_messages.RemoveAt (i);
763 }
764
765 //
766 // Merge session and previous messages
767 //
768 for (int i = 0; i < session_messages.Count; ++i) {
769 AbstractMessage msg = (AbstractMessage) session_messages[i];
770 bool msg_found = false;
771 for (int ii = 0; ii < merged_messages.Count; ++ii) {
772 if (msg.Equals (merged_messages[ii])) {
773 msg_found = true;
774 break;
775 }
776 }
777
778 if (!msg_found)
779 merged_messages.Add (msg);
780 }
781 }
782
783 public bool IsEmpty {
784 get {
785 return merged_messages == null && common_messages == null;
786 }
787 }
788
789 //
790 // Prints collected messages, common messages have a priority
791 //
792 public bool Merge (ReportPrinter dest)
793 {
794 ArrayList messages_to_print = merged_messages;
795 if (common_messages != null && common_messages.Count > 0) {
796 messages_to_print = common_messages;
797 }
798
799 if (messages_to_print == null)
800 return false;
801
802 foreach (AbstractMessage msg in messages_to_print)
803 dest.Print (msg);
804
805 return true;
806 }
807 }
808
809 class StreamReportPrinter : ReportPrinter
810 {
811 readonly TextWriter writer;
812
813 public StreamReportPrinter (TextWriter writer)
814 {
815 this.writer = writer;
816 }
817
818 public override void Print (AbstractMessage msg)
819 {
820 Print (msg, writer);
821 base.Print (msg);
822 }
823 }
824
825 class ConsoleReportPrinter : StreamReportPrinter
826 {
827 static readonly string prefix, postfix;
828
829 static ConsoleReportPrinter ()
830 {
831 string term = Environment.GetEnvironmentVariable ("TERM");
832 bool xterm_colors = false;
833
834 switch (term){
835 case "xterm":
836 case "rxvt":
837 case "rxvt-unicode":
838 if (Environment.GetEnvironmentVariable ("COLORTERM") != null){
839 xterm_colors = true;
840 }
841 break;
842
843 case "xterm-color":
844 xterm_colors = true;
845 break;
846 }
847 if (!xterm_colors)
848 return;
849
850 if (!(UnixUtils.isatty (1) && UnixUtils.isatty (2)))
851 return;
852
853 string config = Environment.GetEnvironmentVariable ("MCS_COLORS");
854 if (config == null){
855 config = "errors=red";
856 //config = "brightwhite,red";
857 }
858
859 if (config == "disable")
860 return;
861
862 if (!config.StartsWith ("errors="))
863 return;
864
865 config = config.Substring (7);
866
867 int p = config.IndexOf (",");
868 if (p == -1)
869 prefix = GetForeground (config);
870 else
871 prefix = GetBackground (config.Substring (p+1)) + GetForeground (config.Substring (0, p));
872 postfix = "\x001b[0m";
873 }
874
875 public ConsoleReportPrinter ()
876 : base (Console.Error)
877 {
878 }
879
880 public ConsoleReportPrinter (TextWriter writer)
881 : base (writer)
882 {
883 }
884
885 static int NameToCode (string s)
886 {
887 switch (s) {
888 case "black":
889 return 0;
890 case "red":
891 return 1;
892 case "green":
893 return 2;
894 case "yellow":
895 return 3;
896 case "blue":
897 return 4;
898 case "magenta":
899 return 5;
900 case "cyan":
901 return 6;
902 case "grey":
903 case "white":
904 return 7;
905 }
906 return 7;
907 }
908
909 //
910 // maps a color name to its xterm color code
911 //
912 static string GetForeground (string s)
913 {
914 string highcode;
915
916 if (s.StartsWith ("bright")) {
917 highcode = "1;";
918 s = s.Substring (6);
919 } else
920 highcode = "";
921
922 return "\x001b[" + highcode + (30 + NameToCode (s)).ToString () + "m";
923 }
924
925 static string GetBackground (string s)
926 {
927 return "\x001b[" + (40 + NameToCode (s)).ToString () + "m";
928 }
929
930 protected override string FormatText (string txt)
931 {
932 if (prefix != null)
933 return prefix + txt + postfix;
934
935 return txt;
936 }
937
938 static string FriendlyStackTrace (StackTrace t)
939 {
940 StringBuilder sb = new StringBuilder ();
941
942 bool foundUserCode = false;
943
944 for (int i = 0; i < t.FrameCount; i++) {
945 StackFrame f = t.GetFrame (i);
946 MethodBase mb = f.GetMethod ();
947
948 if (!foundUserCode && mb.ReflectedType == typeof (Report))
949 continue;
950
951 foundUserCode = true;
952
953 sb.Append ("\tin ");
954
955 if (f.GetFileLineNumber () > 0)
956 sb.AppendFormat ("(at {0}:{1}) ", f.GetFileName (), f.GetFileLineNumber ());
957
958 sb.AppendFormat ("{0}.{1} (", mb.ReflectedType.Name, mb.Name);
959
960 bool first = true;
961 foreach (ParameterInfo pi in mb.GetParameters ()) {
962 if (!first)
963 sb.Append (", ");
964 first = false;
965
966 sb.Append (TypeManager.CSharpName (pi.ParameterType));
967 }
968 sb.Append (")\n");
969 }
970
971 return sb.ToString ();
972 }
973
974 public override void Print (AbstractMessage msg)
975 {
976 base.Print (msg);
977
978 if (Stacktrace)
979 Console.WriteLine (FriendlyStackTrace (new StackTrace (true)));
980 }
981
982 public static string FriendlyStackTrace (Exception e)
983 {
984 return FriendlyStackTrace (new StackTrace (e, true));
985 }
986
987 public static void StackTrace ()
988 {
989 Console.WriteLine (FriendlyStackTrace (new StackTrace (true)));
990 }
991 }
992
993 public enum TimerType {
994 FindMembers = 0,
995 TcFindMembers = 1,
996 MemberLookup = 2,
997 CachedLookup = 3,
998 CacheInit = 4,
999 MiscTimer = 5,
1000 CountTimers = 6
1001 }
1002
1003 public enum CounterType {
1004 FindMembers = 0,
1005 MemberCache = 1,
1006 MiscCounter = 2,
1007 CountCounters = 3
1008 }
1009
1010 public class Timer
1011 {
1012 static DateTime[] timer_start;
1013 static TimeSpan[] timers;
1014 static long[] timer_counters;
1015 static long[] counters;
1016
1017 static Timer ()
1018 {
1019 timer_start = new DateTime [(int) TimerType.CountTimers];
1020 timers = new TimeSpan [(int) TimerType.CountTimers];
1021 timer_counters = new long [(int) TimerType.CountTimers];
1022 counters = new long [(int) CounterType.CountCounters];
1023
1024 for (int i = 0; i < (int) TimerType.CountTimers; i++) {
1025 timer_start [i] = DateTime.Now;
1026 timers [i] = TimeSpan.Zero;
1027 }
1028 }
1029
1030 [Conditional("TIMER")]
1031 static public void IncrementCounter (CounterType which)
1032 {
1033 ++counters [(int) which];
1034 }
1035
1036 [Conditional("TIMER")]
1037 static public void StartTimer (TimerType which)
1038 {
1039 timer_start [(int) which] = DateTime.Now;
1040 }
1041
1042 [Conditional("TIMER")]
1043 static public void StopTimer (TimerType which)
1044 {
1045 timers [(int) which] += DateTime.Now - timer_start [(int) which];
1046 ++timer_counters [(int) which];
1047 }
1048
1049 [Conditional("TIMER")]
1050 static public void ShowTimers ()
1051 {
1052 ShowTimer (TimerType.FindMembers, "- FindMembers timer");
1053 ShowTimer (TimerType.TcFindMembers, "- TypeContainer.FindMembers timer");
1054 ShowTimer (TimerType.MemberLookup, "- MemberLookup timer");
1055 ShowTimer (TimerType.CachedLookup, "- CachedLookup timer");
1056 ShowTimer (TimerType.CacheInit, "- Cache init");
1057 ShowTimer (TimerType.MiscTimer, "- Misc timer");
1058
1059 ShowCounter (CounterType.FindMembers, "- Find members");
1060 ShowCounter (CounterType.MemberCache, "- Member cache");
1061 ShowCounter (CounterType.MiscCounter, "- Misc counter");
1062 }
1063
1064 static public void ShowCounter (CounterType which, string msg)
1065 {
1066 Console.WriteLine ("{0} {1}", counters [(int) which], msg);
1067 }
1068
1069 static public void ShowTimer (TimerType which, string msg)
1070 {
1071 Console.WriteLine (
1072 "[{0:00}:{1:000}] {2} (used {3} times)",
1073 (int) timers [(int) which].TotalSeconds,
1074 timers [(int) which].Milliseconds, msg,
1075 timer_counters [(int) which]);
1076 }
1077 }
1078
1079 public class InternalErrorException : Exception {
1080 public InternalErrorException (MemberCore mc, Exception e)
1081 : base (mc.Location + " " + mc.GetSignatureForError (), e)
1082 {
1083 }
1084
1085 public InternalErrorException ()
1086 : base ("Internal error")
1087 {
1088 }
1089
1090 public InternalErrorException (string message)
1091 : base (message)
1092 {
1093 }
1094
1095 public InternalErrorException (string message, params object[] args)
1096 : base (String.Format (message, args))
1097 { }
1098
1099 public InternalErrorException (Exception e, Location loc)
1100 : base (loc.ToString (), e)
1101 {
1102 }
1103 }
1104
1105 /// <summary>
1106 /// Handles #pragma warning
1107 /// </summary>
1108 public class WarningRegions {
1109
1110 abstract class PragmaCmd
1111 {
1112 public int Line;
1113
1114 protected PragmaCmd (int line)
1115 {
1116 Line = line;
1117 }
1118
1119 public abstract bool IsEnabled (int code, bool previous);
1120 }
1121
1122 class Disable : PragmaCmd
1123 {
1124 int code;
1125 public Disable (int line, int code)
1126 : base (line)
1127 {
1128 this.code = code;
1129 }
1130
1131 public override bool IsEnabled (int code, bool previous)
1132 {
1133 return this.code == code ? false : previous;
1134 }
1135 }
1136
1137 class DisableAll : PragmaCmd
1138 {
1139 public DisableAll (int line)
1140 : base (line) {}
1141
1142 public override bool IsEnabled(int code, bool previous)
1143 {
1144 return false;
1145 }
1146 }
1147
1148 class Enable : PragmaCmd
1149 {
1150 int code;
1151 public Enable (int line, int code)
1152 : base (line)
1153 {
1154 this.code = code;
1155 }
1156
1157 public override bool IsEnabled(int code, bool previous)
1158 {
1159 return this.code == code ? true : previous;
1160 }
1161 }
1162
1163 class EnableAll : PragmaCmd
1164 {
1165 public EnableAll (int line)
1166 : base (line) {}
1167
1168 public override bool IsEnabled(int code, bool previous)
1169 {
1170 return true;
1171 }
1172 }
1173
1174
1175 ArrayList regions = new ArrayList ();
1176
1177 public void WarningDisable (int line)
1178 {
1179 regions.Add (new DisableAll (line));
1180 }
1181
1182 public void WarningDisable (Location location, int code, Report Report)
1183 {
1184 if (Report.CheckWarningCode (code, location))
1185 regions.Add (new Disable (location.Row, code));
1186 }
1187
1188 public void WarningEnable (int line)
1189 {
1190 regions.Add (new EnableAll (line));
1191 }
1192
1193 public void WarningEnable (Location location, int code, Report Report)
1194 {
1195 if (Report.CheckWarningCode (code, location))
1196 regions.Add (new Enable (location.Row, code));
1197 }
1198
1199 public bool IsWarningEnabled (int code, int src_line)
1200 {
1201 bool result = true;
1202 foreach (PragmaCmd pragma in regions) {
1203 if (src_line < pragma.Line)
1204 break;
1205
1206 result = pragma.IsEnabled (code, result);
1207 }
1208 return result;
1209 }
1210 }
1211 }
git-svn mirror of mcs