X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=mcs%2Fgmcs%2Freport.cs;h=b07fe6aea0ffa0f709ba3957d153ffc623321cbd;hb=db3edb9e8cfd03a563a842daa00ab761fe949b7a;hp=f5c90e4b4ddea74a2cd0099fde22a25e14d74ecd;hpb=c7cfb1e7236af539cb992e125d29524e60e4d7ea;p=mono.git diff --git a/mcs/gmcs/report.cs b/mcs/gmcs/report.cs index f5c90e4b4dd..b07fe6aea0f 100644 --- a/mcs/gmcs/report.cs +++ b/mcs/gmcs/report.cs @@ -12,7 +12,9 @@ using System; using System.Text; using System.Collections; +using System.Collections.Specialized; using System.Diagnostics; +using System.Reflection; namespace Mono.CSharp { @@ -57,6 +59,94 @@ namespace Mono.CSharp { // Keeps track of the warnings that we are ignoring // static Hashtable warning_ignore_table; + + /// + /// List of symbols related to reported error/warning. You have to fill it before error/warning is reported. + /// + static StringCollection related_symbols = new StringCollection (); + + struct WarningData { + public WarningData (int level, string text) { + Level = level; + Message = text; + } + + public bool IsEnabled () + { + return RootContext.WarningLevel >= Level; + } + + public string Format (params object[] args) + { + return String.Format (Message, args); + } + + readonly string Message; + readonly int Level; + } + + static string GetErrorMsg (int error_no) + { + switch (error_no) { + case 0122: return "'{0}' is inaccessible due to its protection level"; + case 0134: return "Cannot use qualified namespace names in nested namespace declarations"; + case 0145: return "A const field requires a value to be provided"; + case 0160: return "A previous catch clause already catches all exceptions of this or a super type '{0}'"; + case 0210: return "You must provide an initializer in a fixed or using statement declaration"; + case 0243: return "Conditional not valid on '{0}' because it is an override method"; + case 0247: return "Cannot use a negative size with stackalloc"; + case 0415: return "The 'IndexerName' attribute is valid only on an indexer that is not an explicit interface member declaration"; + case 0553: return "'{0}' : user defined conversion to/from base class"; + case 0554: return "'{0}' : user defined conversion to/from derived class"; + case 0577: return "Conditional not valid on '{0}' because it is a destructor, operator, or explicit interface implementation"; + case 0578: return "Conditional not valid on '{0}' because its return type is not void"; + case 0582: return "Conditional not valid on interface members"; + case 0592: return "Attribute '{0}' is not valid on this declaration type. It is valid on {1} declarations only."; + case 0601: return "The DllImport attribute must be specified on a method marked `static' and `extern'"; + case 0609: return "Cannot set the 'IndexerName' attribute on an indexer marked override"; + case 0610: return "Field or property cannot be of type '{0}'"; + case 0619: return "'{0}' is obsolete: '{1}'"; + case 0626: return "Method, operator, or accessor '{0}' is marked external and has no attributes on it. Consider adding a DllImport attribute to specify the external implementation"; + case 0629: return "Conditional member '{0}' cannot implement interface member"; + case 0633: return "The argument to the 'IndexerName' attribute must be a valid identifier"; + case 0657: return "'{0}' is not a valid attribute location for this declaration. Valid attribute locations for this declaration are '{1}'"; + case 1555: return "Could not find '{0}' specified for Main method"; + case 1556: return "'{0}' specified for Main method must be a valid class or struct"; + case 1618: return "Cannot create delegate with '{0}' because it has a Conditional attribute"; + case 1667: return "'{0}' is not valid on property or event accessors. It is valid on '{1}' declarations only"; + case 1669: return "__arglist is not valid in this context"; + case 3000: return "Methods with variable arguments are not CLS-compliant"; + case 3001: return "Argument type '{0}' is not CLS-compliant"; + case 3002: return "Return type of '{0}' is not CLS-compliant"; + case 3003: return "Type of '{0}' is not CLS-compliant"; + case 3005: return "Identifier '{0}' differing only in case is not CLS-compliant"; + case 3006: return "Overloaded method '{0}' differing only in ref or out, or in array rank, is not CLS-compliant"; + case 3008: return "Identifier '{0}' is not CLS-compliant"; + case 3009: return "'{0}': base type '{1}' is not CLS-compliant"; + case 3010: return "'{0}': CLS-compliant interfaces must have only CLS-compliant members"; + case 3011: return "'{0}': only CLS-compliant members can be abstract"; + case 3013: return "Added modules must be marked with the CLSCompliant attribute to match the assembly"; + case 3014: return "'{0}' cannot be marked as CLS-compliant because the assembly does not have a CLSCompliant attribute"; + case 3015: return "'{0}' has no accessible constructors which use only CLS-compliant types"; + case 3016: return "Arrays as attribute arguments are not CLS-compliant"; + } + throw new InternalErrorException (String.Format ("Missing error '{0}' text", error_no)); + } + + static WarningData GetWarningMsg (int warn_no) + { + switch (warn_no) { + case -24: return new WarningData (1, "The Microsoft Runtime cannot set this marshal info. Please use the Mono runtime instead."); + case -28: return new WarningData (1, "The Microsoft .NET Runtime 1.x does not permit setting custom attributes on the return type"); + case 0612: return new WarningData (1, "'{0}' is obsolete"); + case 0618: return new WarningData (2, "'{0}' is obsolete: '{1}'"); + case 0672: return new WarningData (1, "Member '{0}' overrides obsolete member. Add the Obsolete attribute to '{0}'"); + case 3012: return new WarningData (1, "You must specify the CLSCompliant attribute on the assembly, not the module, to enable CLS compliance checking"); + case 3019: return new WarningData (2, "CLS compliance checking will not be performed on '{0}' because it is private or internal"); + } + + throw new InternalErrorException (String.Format ("Wrong warning number '{0}'", warn_no)); + } static void Check (int code) { @@ -68,17 +158,136 @@ namespace Mono.CSharp { } } + public static string FriendlyStackTrace (Exception e) + { + 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 (); + } + + static public void LocationOfPreviousError (Location loc) + { + Console.WriteLine (String.Format ("{0}({1}) (Location of symbol related to previous error)", loc.Name, loc.Row)); + } + + /// + /// 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. + /// + static public void SymbolRelatedToPreviousError (Location loc, string symbol) + { + SymbolRelatedToPreviousError (String.Format ("{0}({1})", loc.Name, loc.Row), symbol); + } + + static public void SymbolRelatedToPreviousError (MemberInfo mi) + { + DeclSpace temp_ds = TypeManager.LookupDeclSpace (mi.DeclaringType); + if (temp_ds == null) { + SymbolRelatedToPreviousError (mi.DeclaringType.Assembly.Location, TypeManager.GetFullNameSignature (mi)); + } else { + string name = String.Concat (temp_ds.Name, ".", mi.Name); + MemberCore mc = temp_ds.GetDefinition (name) as MemberCore; + SymbolRelatedToPreviousError (mc.Location, mc.GetSignatureForError ()); + } + } + + static public void SymbolRelatedToPreviousError (Type type) + { + SymbolRelatedToPreviousError (type.Assembly.Location, TypeManager.CSharpName (type)); + } + + static void SymbolRelatedToPreviousError (string loc, string symbol) + { + related_symbols.Add (String.Format ("{0}: ('{1}' name of symbol related to previous error)", loc, symbol)); + } + static public void RealError (string msg) { Errors++; Console.WriteLine (msg); + foreach (string s in related_symbols) + Console.WriteLine (s); + related_symbols.Clear (); + if (Stacktrace) - Console.WriteLine (new StackTrace ().ToString ()); + Console.WriteLine (FriendlyStackTrace (new StackTrace (true))); + if (Fatal) throw new Exception (msg); } + + /// + /// Method reports warning message. Only one reason why exist Warning and Report methods is beter code readability. + /// + static public void Warning_T (int code, Location loc, params object[] args) + { + WarningData warning = GetWarningMsg (code); + if (warning.IsEnabled ()) + Warning (code, loc, warning.Format (args)); + + related_symbols.Clear (); + } + + /// + /// Reports error message. + /// + static public void Error_T (int code, Location loc, params object[] args) + { + Error_T (code, String.Format ("{0}({1})", loc.Name, loc.Row), args); + } + + static public void Error_T (int code, string location, params object[] args) + { + string errorText = String.Format (GetErrorMsg (code), args); + PrintError (code, location, errorText); + } + + static void PrintError (int code, string l, string text) + { + if (code < 0) + code = 8000-code; + + string msg = String.Format ("{0} error CS{1:0000}: {2}", l, code, text); + RealError (msg); + Check (code); + } + static public void Error (int code, Location l, string text) { if (code < 0) @@ -98,8 +307,10 @@ namespace Mono.CSharp { code = 8000-code; if (warning_ignore_table != null){ - if (warning_ignore_table.Contains (code)) + if (warning_ignore_table.Contains (code)) { + related_symbols.Clear (); return; + } } if (WarningsAreErrors) @@ -117,6 +328,11 @@ namespace Mono.CSharp { // "{0}({1}) warning CS{2}: {3}", l.Name, row, code, text)); Warnings++; + + foreach (string s in related_symbols) + Console.WriteLine (s); + related_symbols.Clear (); + Check (code); if (Stacktrace) @@ -153,6 +369,21 @@ namespace Mono.CSharp { Check (code); } + static public void Error (int code, Location loc, string format, params object[] args) + { + Error (code, loc, String.Format (format, args)); + } + + static public void Warning (int code, Location loc, string format, params object[] args) + { + Warning (code, loc, String.Format (format, args)); + } + + static public void Warning (int code, string format, params object[] args) + { + Warning (code, String.Format (format, args)); + } + static public void Message (Message m) { if (m is ErrorMessage) @@ -207,6 +438,8 @@ namespace Mono.CSharp { sb.Append ("null"); else if (arg is ICollection) sb.Append (PrintCollection ((ICollection) arg)); + else if (arg is IntPtr) + sb.Append (String.Format ("IntPtr(0x{0:x})", ((IntPtr) arg).ToInt32 ())); else sb.Append (arg); } @@ -364,5 +597,9 @@ namespace Mono.CSharp { : base (message) { } + + public InternalErrorException (string format, params object[] args) + : this (String.Format (format, args)) + { } } }