using System;
using System.Text;
using System.Collections;
+using System.Collections.Specialized;
using System.Diagnostics;
+using System.Reflection;
namespace Mono.CSharp {
// Keeps track of the warnings that we are ignoring
//
static Hashtable warning_ignore_table;
+
+ /// <summary>
+ /// List of symbols related to reported error/warning. You have to fill it before error/warning is reported.
+ /// </summary>
+ 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 0160: return "A previous catch clause already catches all exceptions of this or a super type '{0}'";
+ case 0243: return "Conditional not valid on '{0}' because it is an override method";
+ 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 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+ case 0619: return "'{0}' is obsolete: '{1}'";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 0657: return "'{0}' is not a valid attribute location for this declaration. Valid attribute locations for this declaration are '{1}'";
+ 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 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)
{
}
}
+ 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 ();
+ }
+
+ [Obsolete ("Use SymbolRelatedToPreviousError for better error description")]
+ static public void LocationOfPreviousError (Location loc)
+ {
+ Console.WriteLine (String.Format ("{0}({1}) (Location of symbol related to previous error)", loc.Name, loc.Row));
+ }
+
+ /// <summary>
+ /// In most error cases is very useful to have information about symbol that caused the error.
+ /// Call this method before you call Report.Error when it makes sense.
+ /// </summary>
+ static public void SymbolRelatedToPreviousError (Location loc, string symbol)
+ {
+ SymbolRelatedToPreviousError (String.Format ("{0}({1})", loc.Name, loc.Row), symbol);
+ }
+
+ 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);
}
+
+ /// <summary>
+ /// Method reports warning message. Only one reason why exist Warning and Report methods is beter code readability.
+ /// </summary>
+ 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 ();
+ }
+
+ /// <summary>
+ /// Reports error message.
+ /// </summary>
+ 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)
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)
// "{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)
Error (code, loc, String.Format (format, args));
}
- static public void Error (int code, string format, params object[] args)
- {
- Error (code, String.Format (format, args));
- }
-
static public void Warning (int code, Location loc, string format, params object[] args)
{
Warning (code, loc, String.Format (format, args));