using System;
using System.IO;
using System.Text;
-using System.Collections;
-using System.Collections.Specialized;
+using System.Collections.Generic;
using System.Diagnostics;
using System.Reflection;
-using System.Reflection.Emit;
namespace Mono.CSharp {
- /// <summary>
- /// This class is used to report errors and warnings t te user.
- /// </summary>
- public class Report {
- /// <summary>
- /// Errors encountered so far
- /// </summary>
- static public int Errors;
-
- /// <summary>
- /// Warnings encountered so far
- /// </summary>
- static public int Warnings;
-
- /// <summary>
- /// Whether errors should be throw an exception
- /// </summary>
- static public bool Fatal;
-
+ //
+ // Errors and warnings manager
+ //
+ public class Report
+ {
/// <summary>
/// Whether warnings should be considered errors
/// </summary>
- static public bool WarningsAreErrors;
- static ArrayList warnings_as_error;
+ public bool WarningsAreErrors;
+ List<int> warnings_as_error;
+ List<int> warnings_only;
- /// <summary>
- /// Whether to dump a stack trace on errors.
- /// </summary>
- static public bool Stacktrace;
+ public static int DebugFlags = 0;
- static public TextWriter Stderr = Console.Error;
-
- //
- // If the 'expected' error code is reported then the
- // compilation succeeds.
- //
- // Used for the test suite to excercise the error codes
- //
- static int expected_error = 0;
+ public const int RuntimeErrorId = 10000;
//
// Keeps track of the warnings that we are ignoring
//
- public static Hashtable warning_ignore_table;
+ HashSet<int> warning_ignore_table;
- static Hashtable warning_regions_table;
+ Dictionary<int, WarningRegions> warning_regions_table;
- //
- // This is used to save/restore the error state. When the
- // error stack contains elements, warnings and errors are not
- // reported to the user. This is used by the Lambda expression
- // support to compile the code with various parameter values.
- // A stack because of `Report.Errors == errors;'
- //
- static Stack error_stack;
- static Stack warning_stack;
- static bool reporting_disabled;
-
- static int warning_level;
+ int warning_level;
+
+ ReportPrinter printer;
+
+ int reporting_disabled;
/// <summary>
/// List of symbols related to reported error/warning. You have to fill it before error/warning is reported.
/// </summary>
- static ArrayList extra_information = new ArrayList ();
+ List<string> extra_information = new List<string> ();
//
// IF YOU ADD A NEW WARNING YOU HAVE TO ADD ITS ID HERE
28, 67, 78,
105, 108, 109, 114, 162, 164, 168, 169, 183, 184, 197,
219, 251, 252, 253, 278, 282,
- 419, 420, 429, 436, 440, 465, 467, 469, 472,
- 612, 618, 626, 628, 642, 649, 652, 658, 659, 660, 661, 665, 672, 675,
+ 402, 414, 419, 420, 429, 436, 440, 458, 464, 465, 467, 469, 472,
+ 612, 618, 626, 628, 642, 649, 652, 658, 659, 660, 661, 665, 672, 675, 693,
809,
- 1030,
+ 1030, 1058, 1066,
1522, 1570, 1571, 1572, 1573, 1574, 1580, 1581, 1584, 1587, 1589, 1590, 1591, 1592,
- 1616, 1633, 1634, 1635, 1685, 1690, 1691, 1692,
- 1717, 1718, 1720,
- 1901,
+ 1616, 1633, 1634, 1635, 1685, 1690, 1691, 1692, 1695, 1696, 1699,
+ 1700, 1709, 1717, 1718, 1720,
+ 1901, 1981,
2002, 2023, 2029,
3000, 3001, 3002, 3003, 3005, 3006, 3007, 3008, 3009,
3010, 3011, 3012, 3013, 3014, 3015, 3016, 3017, 3018, 3019,
- 3021, 3022, 3023, 3026, 3027,
-
- 414, // Non ISO-1 warnings
-#if GMCS_SOURCE
- 402, 458, 464, 693, 1058, 1700, 3024
-#endif
+ 3021, 3022, 3023, 3024, 3026, 3027
};
- static Report ()
+ static HashSet<int> AllWarningsHashSet;
+
+ public Report (ReportPrinter printer)
{
- // Just to be sure that binary search is working
- Array.Sort (AllWarnings);
+ if (printer == null)
+ throw new ArgumentNullException ("printer");
+
+ this.printer = printer;
+ warning_level = 4;
}
- public static void Reset ()
+ public void DisableReporting ()
{
- Errors = Warnings = 0;
- WarningsAreErrors = false;
- warning_ignore_table = null;
- warning_regions_table = null;
- reporting_disabled = false;
- error_stack = warning_stack = null;
- warnings_as_error = null;
+ ++reporting_disabled;
}
- public static void DisableReporting ()
+ public void EnableReporting ()
{
- if (error_stack == null)
- error_stack = new Stack ();
- error_stack.Push (Errors);
+ --reporting_disabled;
+ }
- if (Warnings > 0) {
- if (warning_stack == null)
- warning_stack = new Stack ();
- warning_stack.Push (Warnings);
+ public void FeatureIsNotAvailable (Location loc, string feature)
+ {
+ string version;
+ switch (RootContext.Version) {
+ case LanguageVersion.ISO_1:
+ version = "1.0";
+ break;
+ case LanguageVersion.ISO_2:
+ version = "2.0";
+ break;
+ case LanguageVersion.V_3:
+ version = "3.0";
+ break;
+ default:
+ throw new InternalErrorException ("Invalid feature version", RootContext.Version);
}
- reporting_disabled = true;
+ Error (1644, loc,
+ "Feature `{0}' cannot be used because it is not part of the C# {1} language specification",
+ feature, version);
}
- public static void EnableReporting ()
+ public void FeatureIsNotSupported (Location loc, string feature)
{
- if (warning_stack != null && warning_stack.Count > 0)
- Warnings = (int) warning_stack.Pop ();
- else
- Warnings = 0;
+ Error (1644, loc,
+ "Feature `{0}' is not supported in Mono mcs1 compiler. Consider using the `gmcs' compiler instead",
+ feature);
+ }
+
+ bool IsWarningEnabled (int code, int level, Location loc)
+ {
+ if (WarningLevel < level)
+ return false;
- Errors = (int) error_stack.Pop ();
- if (error_stack.Count == 0) {
- reporting_disabled = false;
- }
+ if (IsWarningDisabledGlobally (code))
+ return false;
+
+ if (warning_regions_table == null || loc.IsNull)
+ return true;
+
+ WarningRegions regions;
+ if (!warning_regions_table.TryGetValue (loc.File, out regions))
+ return true;
+
+ return regions.IsWarningEnabled (code, loc.Row);
+ }
+
+ public bool IsWarningDisabledGlobally (int code)
+ {
+ return warning_ignore_table != null && warning_ignore_table.Contains (code);
}
- public static IMessageRecorder msg_recorder;
+ bool IsWarningAsError (int code)
+ {
+ bool is_error = WarningsAreErrors;
+
+ // Check specific list
+ if (warnings_as_error != null)
+ is_error |= warnings_as_error.Contains (code);
+
+ // Ignore excluded warnings
+ if (warnings_only != null && warnings_only.Contains (code))
+ is_error = false;
- public static IMessageRecorder SetMessageRecorder (IMessageRecorder recorder)
+ return is_error;
+ }
+
+ public void RuntimeMissingSupport (Location loc, string feature)
{
- IMessageRecorder previous = msg_recorder;
- msg_recorder = recorder;
- return previous;
+ Error (-88, loc, "Your .NET Runtime does not support `{0}'. Please use the latest Mono runtime instead.", feature);
}
- public interface IMessageRecorder
+ /// <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>
+ public void SymbolRelatedToPreviousError (Location loc, string symbol)
{
- bool IsEmpty { get; }
- void EndSession ();
- void AddMessage (AbstractMessage msg);
- bool PrintMessages ();
+ SymbolRelatedToPreviousError (loc.ToString (), symbol);
}
- //
- // Default message recorder, it uses two types of message groups.
- // Common messages: messages reported in all sessions.
- // Merged messages: union of all messages in all sessions.
- //
- public struct MessageRecorder : IMessageRecorder
+ public void SymbolRelatedToPreviousError (MemberSpec ms)
{
- ArrayList session_messages;
- //
- // A collection of exactly same messages reported in all sessions
- //
- ArrayList common_messages;
+ if (reporting_disabled > 0 || !printer.HasRelatedSymbolSupport)
+ return;
- //
- // A collection of unique messages reported in all sessions
- //
- ArrayList merged_messages;
+ var mc = ms.MemberDefinition as MemberCore;
+ while (ms is ElementTypeSpec) {
+ ms = ((ElementTypeSpec) ms).Element;
+ mc = ms.MemberDefinition as MemberCore;
+ }
- public void EndSession ()
- {
- if (session_messages == null)
- return;
-
- //
- // Handles the first session
- //
- if (common_messages == null) {
- common_messages = new ArrayList (session_messages);
- merged_messages = session_messages;
- session_messages = null;
- return;
- }
+ if (mc != null) {
+ SymbolRelatedToPreviousError (mc);
+ } else if (ms.MemberDefinition != null) {
+ SymbolRelatedToPreviousError (ms.MemberDefinition.Assembly.Location, "");
+ }
+ }
- //
- // Store common messages if any
- //
- for (int i = 0; i < common_messages.Count; ++i) {
- AbstractMessage cmsg = (AbstractMessage) common_messages [i];
- bool common_msg_found = false;
- foreach (AbstractMessage msg in session_messages) {
- if (cmsg.Equals (msg)) {
- common_msg_found = true;
- break;
- }
- }
+ public void SymbolRelatedToPreviousError (MemberCore mc)
+ {
+ SymbolRelatedToPreviousError (mc.Location, mc.GetSignatureForError ());
+ }
- if (!common_msg_found)
- common_messages.RemoveAt (i);
- }
+ void SymbolRelatedToPreviousError (string loc, string symbol)
+ {
+ string msg = String.Format ("{0} (Location of the symbol related to previous ", loc);
+ if (extra_information.Contains (msg))
+ return;
- //
- // Merge session and previous messages
- //
- for (int i = 0; i < session_messages.Count; ++i) {
- AbstractMessage msg = (AbstractMessage) session_messages [i];
- bool msg_found = false;
- for (int ii = 0; ii < merged_messages.Count; ++ii) {
- if (msg.Equals (merged_messages [ii])) {
- msg_found = true;
- break;
- }
- }
+ extra_information.Add (msg);
+ }
- if (!msg_found)
- merged_messages.Add (msg);
- }
+ public void AddWarningAsError (string warningId)
+ {
+ int id;
+ try {
+ id = int.Parse (warningId);
+ } catch {
+ CheckWarningCode (warningId, Location.Null);
+ return;
}
- public void AddMessage (AbstractMessage msg)
- {
- if (session_messages == null)
- session_messages = new ArrayList ();
+ if (!CheckWarningCode (id, Location.Null))
+ return;
- session_messages.Add (msg);
- }
+ if (warnings_as_error == null)
+ warnings_as_error = new List<int> ();
+
+ warnings_as_error.Add (id);
+ }
- public bool IsEmpty {
- get {
- return merged_messages == null && common_messages == null;
- }
+ public void RemoveWarningAsError (string warningId)
+ {
+ int id;
+ try {
+ id = int.Parse (warningId);
+ } catch {
+ CheckWarningCode (warningId, Location.Null);
+ return;
}
- //
- // Prints collected messages, common messages have a priority
- //
- public bool PrintMessages ()
- {
- ArrayList messages_to_print = merged_messages;
- if (common_messages != null && common_messages.Count > 0) {
- messages_to_print = common_messages;
- }
-
- if (messages_to_print == null)
- return false;
+ if (!CheckWarningCode (id, Location.Null))
+ return;
- foreach (AbstractMessage msg in messages_to_print)
- msg.Print ();
+ if (warnings_only == null)
+ warnings_only = new List<int> ();
- return true;
- }
+ warnings_only.Add (id);
}
-
- public abstract class AbstractMessage
- {
- readonly string[] extra_info;
- protected readonly int code;
- protected readonly Location location;
- readonly string message;
- protected AbstractMessage (int code, Location loc, string msg, ArrayList extraInfo)
- {
- this.code = code;
- if (code < 0)
- this.code = 8000 - code;
+ public bool CheckWarningCode (string code, Location loc)
+ {
+ Warning (1691, 1, loc, "`{0}' is not a valid warning number", code);
+ return false;
+ }
- this.location = loc;
- this.message = msg;
- if (extraInfo.Count != 0) {
- this.extra_info = (string[])extraInfo.ToArray (typeof (string));
- }
- }
+ public bool CheckWarningCode (int code, Location loc)
+ {
+ if (AllWarningsHashSet == null)
+ AllWarningsHashSet = new HashSet<int> (AllWarnings);
- protected AbstractMessage (AbstractMessage aMsg)
- {
- this.code = aMsg.code;
- this.location = aMsg.location;
- this.message = aMsg.message;
- this.extra_info = aMsg.extra_info;
- }
+ if (AllWarningsHashSet.Contains (code))
+ return true;
- static void Check (int code)
- {
- if (code == expected_error) {
- Environment.Exit (0);
- }
- }
+ return CheckWarningCode (code.ToString (), loc);
+ }
- public override bool Equals (object obj)
- {
- AbstractMessage msg = obj as AbstractMessage;
- if (msg == null)
- return false;
+ public void ExtraInformation (Location loc, string msg)
+ {
+ extra_information.Add (String.Format ("{0} {1}", loc, msg));
+ }
- return code == msg.code && location.Equals (msg.location) && message == msg.message;
+ public WarningRegions RegisterWarningRegion (Location location)
+ {
+ WarningRegions regions;
+ if (warning_regions_table == null) {
+ regions = null;
+ warning_regions_table = new Dictionary<int, WarningRegions> ();
+ } else {
+ warning_regions_table.TryGetValue (location.File, out regions);
}
- public override int GetHashCode ()
- {
- return code.GetHashCode ();
+ if (regions == null) {
+ regions = new WarningRegions ();
+ warning_regions_table.Add (location.File, regions);
}
- public abstract bool IsWarning { get; }
+ return regions;
+ }
- public abstract string MessageType { get; }
+ public void Warning (int code, int level, Location loc, string message)
+ {
+ if (reporting_disabled > 0)
+ return;
- public virtual void Print ()
- {
- if (msg_recorder != null) {
- //
- // This line is useful when debugging messages recorder
- //
- // Console.WriteLine ("RECORDING: {0} {1} {2}", code, location, message);
- msg_recorder.AddMessage (this);
- return;
- }
+ if (!IsWarningEnabled (code, level, loc))
+ return;
- if (reporting_disabled)
- return;
+ AbstractMessage msg;
+ if (IsWarningAsError (code))
+ msg = new ErrorMessage (code, loc, message, extra_information);
+ else
+ msg = new WarningMessage (code, loc, message, extra_information);
- StringBuilder msg = new StringBuilder ();
- if (!location.IsNull) {
- msg.Append (location.ToString ());
- msg.Append (" ");
- }
- msg.AppendFormat ("{0} CS{1:0000}: {2}", MessageType, code, message);
+ extra_information.Clear ();
+ printer.Print (msg);
+ }
- //
- //
- if (Stderr == Console.Error)
- Stderr.WriteLine (ColorFormat (msg.ToString ()));
- else
- Stderr.WriteLine (msg.ToString ());
+ public void Warning (int code, int level, Location loc, string format, string arg)
+ {
+ Warning (code, level, loc, String.Format (format, arg));
+ }
- if (extra_info != null) {
- foreach (string s in extra_info)
- Stderr.WriteLine (s + MessageType + ")");
- }
+ public void Warning (int code, int level, Location loc, string format, string arg1, string arg2)
+ {
+ Warning (code, level, loc, String.Format (format, arg1, arg2));
+ }
- if (Stacktrace)
- Console.WriteLine (FriendlyStackTrace (new StackTrace (true)));
+ public void Warning (int code, int level, Location loc, string format, params object[] args)
+ {
+ Warning (code, level, loc, String.Format (format, args));
+ }
- if (Fatal) {
- if (!IsWarning || WarningsAreErrors)
- throw new Exception (message);
- }
+ public void Warning (int code, int level, string message)
+ {
+ Warning (code, level, Location.Null, message);
+ }
- Check (code);
- }
+ public void Warning (int code, int level, string format, string arg)
+ {
+ Warning (code, level, Location.Null, format, arg);
+ }
- protected virtual string ColorFormat (string s)
- {
- return s;
- }
+ public void Warning (int code, int level, string format, string arg1, string arg2)
+ {
+ Warning (code, level, Location.Null, format, arg1, arg2);
}
- sealed class WarningMessage : AbstractMessage
+ public void Warning (int code, int level, string format, params string[] args)
{
- readonly int Level;
+ Warning (code, level, Location.Null, String.Format (format, args));
+ }
- public WarningMessage (int code, int level, Location loc, string message, ArrayList extra_info)
- : base (code, loc, message, extra_info)
- {
- Level = level;
- }
+ //
+ // Warnings encountered so far
+ //
+ public int Warnings {
+ get { return printer.WarningsCount; }
+ }
- public override bool IsWarning {
- get { return true; }
- }
+ public void Error (int code, Location loc, string error)
+ {
+ if (reporting_disabled > 0)
+ return;
- bool IsEnabled ()
- {
- if (WarningLevel < Level)
- return false;
+ ErrorMessage msg = new ErrorMessage (code, loc, error, extra_information);
+ extra_information.Clear ();
- if (warning_ignore_table != null) {
- if (warning_ignore_table.Contains (code)) {
- return false;
- }
- }
+ printer.Print (msg);
+ }
- if (warning_regions_table == null || location.IsNull)
- return true;
+ public void Error (int code, Location loc, string format, string arg)
+ {
+ Error (code, loc, String.Format (format, arg));
+ }
- WarningRegions regions = (WarningRegions)warning_regions_table [location.Name];
- if (regions == null)
- return true;
+ public void Error (int code, Location loc, string format, string arg1, string arg2)
+ {
+ Error (code, loc, String.Format (format, arg1, arg2));
+ }
- return regions.IsWarningEnabled (code, location.Row);
- }
+ public void Error (int code, Location loc, string format, params string[] args)
+ {
+ Error (code, loc, String.Format (format, args));
+ }
- bool IsErrorWarning {
- get {
- if (WarningsAreErrors)
- return true;
+ public void Error (int code, string error)
+ {
+ Error (code, Location.Null, error);
+ }
- if (warnings_as_error == null)
- return false;
+ public void Error (int code, string format, string arg)
+ {
+ Error (code, Location.Null, format, arg);
+ }
- return warnings_as_error.Contains (code);
- }
- }
+ public void Error (int code, string format, string arg1, string arg2)
+ {
+ Error (code, Location.Null, format, arg1, arg2);
+ }
- public override void Print ()
- {
- if (!IsEnabled ())
- return;
+ public void Error (int code, string format, params string[] args)
+ {
+ Error (code, Location.Null, String.Format (format, args));
+ }
- if (IsErrorWarning) {
- new ErrorMessage (this).Print ();
- return;
- }
+ //
+ // Errors encountered so far
+ //
+ public int Errors {
+ get { return printer.ErrorsCount; }
+ }
- Warnings++;
- base.Print ();
+ public bool IsDisabled {
+ get {
+ return reporting_disabled > 0;
}
+ }
- public override string MessageType {
- get {
- return "warning";
- }
- }
+ public ReportPrinter Printer {
+ get { return printer; }
}
- static int NameToCode (string s)
+ public void SetIgnoreWarning (int code)
{
- switch (s){
- case "black":
- return 0;
- case "red":
- return 1;
- case "green":
- return 2;
- case "yellow":
- return 3;
- case "blue":
- return 4;
- case "magenta":
- return 5;
- case "cyan":
- return 6;
- case "grey":
- case "white":
- return 7;
- }
- return 7;
+ if (warning_ignore_table == null)
+ warning_ignore_table = new HashSet<int> ();
+
+ warning_ignore_table.Add (code);
}
-
- //
- // maps a color name to its xterm color code
- //
- static string GetForeground (string s)
- {
- string highcode;
- if (s.StartsWith ("bright")){
- highcode = "1;";
- s = s.Substring (6);
- } else
- highcode = "";
+ public ReportPrinter SetPrinter (ReportPrinter printer)
+ {
+ ReportPrinter old = this.printer;
+ this.printer = printer;
+ return old;
+ }
- return "\x001b[" + highcode + (30 + NameToCode (s)).ToString () + "m";
+ public int WarningLevel {
+ get {
+ return warning_level;
+ }
+ set {
+ warning_level = value;
+ }
}
- static string GetBackground (string s)
+ [Conditional ("MCS_DEBUG")]
+ static public void Debug (string message, params object[] args)
{
- return "\x001b[" + (40 + NameToCode (s)).ToString () + "m";
+ Debug (4, message, args);
}
-
- sealed class ErrorMessage : AbstractMessage
+
+ [Conditional ("MCS_DEBUG")]
+ static public void Debug (int category, string message, params object[] args)
{
- static string prefix, postfix;
+ if ((category & DebugFlags) == 0)
+ return;
- static ErrorMessage ()
- {
- string term = Environment.GetEnvironmentVariable ("TERM");
- bool xterm_colors = false;
-
- switch (term){
- case "xterm":
- case "rxvt":
- case "rxvt-unicode":
- if (Environment.GetEnvironmentVariable ("COLORTERM") != null){
- xterm_colors = true;
- }
- break;
+ StringBuilder sb = new StringBuilder (message);
- case "xterm-color":
- xterm_colors = true;
- break;
- }
- if (!xterm_colors)
- return;
+ if ((args != null) && (args.Length > 0)) {
+ sb.Append (": ");
- if (!(UnixUtils.isatty (1) && UnixUtils.isatty (2)))
- return;
-
- string config = Environment.GetEnvironmentVariable ("MCS_COLORS");
- if (config == null){
- config = "errors=red";
- //config = "brightwhite,red";
+ bool first = true;
+ foreach (object arg in args) {
+ if (first)
+ first = false;
+ else
+ sb.Append (", ");
+ if (arg == null)
+ sb.Append ("null");
+// else if (arg is ICollection)
+// sb.Append (PrintCollection ((ICollection) arg));
+ else
+ sb.Append (arg);
}
+ }
- if (config == "disable")
- return;
+ Console.WriteLine (sb.ToString ());
+ }
+/*
+ static public string PrintCollection (ICollection collection)
+ {
+ StringBuilder sb = new StringBuilder ();
- if (!config.StartsWith ("errors="))
- return;
+ sb.Append (collection.GetType ());
+ sb.Append ("(");
- config = config.Substring (7);
-
- int p = config.IndexOf (",");
- if (p == -1)
- prefix = GetForeground (config);
+ bool first = true;
+ foreach (object o in collection) {
+ if (first)
+ first = false;
else
- prefix = GetBackground (config.Substring (p+1)) + GetForeground (config.Substring (0, p));
- postfix = "\x001b[0m";
+ sb.Append (", ");
+ sb.Append (o);
}
- public ErrorMessage (int code, Location loc, string message, ArrayList extraInfo)
- : base (code, loc, message, extraInfo)
- {
- }
+ sb.Append (")");
+ return sb.ToString ();
+ }
+*/
+ }
- public ErrorMessage (AbstractMessage aMsg)
- : base (aMsg)
- {
- }
+ public abstract class AbstractMessage
+ {
+ readonly string[] extra_info;
+ protected readonly int code;
+ protected readonly Location location;
+ readonly string message;
- protected override string ColorFormat (string s)
- {
- if (prefix != null)
- return prefix + s + postfix;
- return s;
- }
-
- public override void Print()
- {
- Errors++;
- base.Print ();
- }
+ protected AbstractMessage (int code, Location loc, string msg, List<string> extraInfo)
+ {
+ this.code = code;
+ if (code < 0)
+ this.code = 8000 - code;
- public override bool IsWarning {
- get { return false; }
+ this.location = loc;
+ this.message = msg;
+ if (extraInfo.Count != 0) {
+ this.extra_info = extraInfo.ToArray ();
}
+ }
- public override string MessageType {
- get {
- return "error";
- }
- }
+ protected AbstractMessage (AbstractMessage aMsg)
+ {
+ this.code = aMsg.code;
+ this.location = aMsg.location;
+ this.message = aMsg.message;
+ this.extra_info = aMsg.extra_info;
}
- public static void FeatureIsNotAvailable (Location loc, string feature)
+ public int Code {
+ get { return code; }
+ }
+
+ public override bool Equals (object obj)
{
- string version;
- switch (RootContext.Version) {
- case LanguageVersion.ISO_1:
- version = "1.0";
- break;
- case LanguageVersion.ISO_2:
- version = "2.0";
- break;
- case LanguageVersion.Default_MCS:
- Report.Error (1644, loc, "Feature `{0}' is not available in Mono mcs1 compiler. Consider using the `gmcs' compiler instead",
- feature);
- return;
- default:
- throw new InternalErrorException ("Invalid feature version", RootContext.Version);
- }
+ AbstractMessage msg = obj as AbstractMessage;
+ if (msg == null)
+ return false;
- Report.Error (1644, loc,
- "Feature `{0}' cannot be used because it is not part of the C# {1} language specification",
- feature, version);
+ return code == msg.code && location.Equals (msg.location) && message == msg.message;
}
-
- public static string FriendlyStackTrace (Exception e)
+
+ public override int GetHashCode ()
{
- return FriendlyStackTrace (new StackTrace (e, true));
+ return code.GetHashCode ();
}
-
- 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 ();
+
+ public abstract bool IsWarning { get; }
+
+ public Location Location {
+ get { return location; }
}
- public static void StackTrace ()
- {
- Console.WriteLine (FriendlyStackTrace (new StackTrace (true)));
+ public abstract string MessageType { get; }
+
+ public string[] RelatedSymbols {
+ get { return extra_info; }
}
- static bool IsValidWarning (int code)
- {
- return Array.BinarySearch (AllWarnings, code) >= 0;
+ public string Text {
+ get { return message; }
}
-
- static public void RuntimeMissingSupport (Location loc, string feature)
+ }
+
+ sealed class WarningMessage : AbstractMessage
+ {
+ public WarningMessage (int code, Location loc, string message, List<string> extra_info)
+ : base (code, loc, message, extra_info)
{
- Report.Error (-88, loc, "Your .NET Runtime does not support `{0}'. Please use the latest Mono runtime instead.", feature);
}
- /// <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)
+ public override bool IsWarning {
+ get { return true; }
+ }
+
+ public override string MessageType {
+ get {
+ return "warning";
+ }
+ }
+ }
+
+ sealed class ErrorMessage : AbstractMessage
+ {
+ public ErrorMessage (int code, Location loc, string message, List<string> extraInfo)
+ : base (code, loc, message, extraInfo)
{
- SymbolRelatedToPreviousError (loc.ToString (), symbol);
}
- static public void SymbolRelatedToPreviousError (MemberInfo mi)
+ public ErrorMessage (AbstractMessage aMsg)
+ : base (aMsg)
{
- if (reporting_disabled)
- return;
+ }
- Type dt = TypeManager.DropGenericTypeArguments (mi.DeclaringType);
- if (TypeManager.IsDelegateType (dt)) {
- SymbolRelatedToPreviousError (dt);
- return;
- }
-
- DeclSpace temp_ds = TypeManager.LookupDeclSpace (dt);
- if (temp_ds == null) {
- SymbolRelatedToPreviousError (dt.Assembly.Location, TypeManager.GetFullNameSignature (mi));
- } else {
- MethodBase mb = mi as MethodBase;
- if (mb != null) {
- mb = TypeManager.DropGenericMethodArguments (mb);
- IMethodData md = TypeManager.GetMethod (mb);
- SymbolRelatedToPreviousError (md.Location, md.GetSignatureForError ());
- return;
- }
+ public override bool IsWarning {
+ get { return false; }
+ }
+
+ public override string MessageType {
+ get {
+ return "error";
+ }
+ }
+ }
+
+ //
+ // Generic base for any message writer
+ //
+ public abstract class ReportPrinter {
+ /// <summary>
+ /// Whether to dump a stack trace on errors.
+ /// </summary>
+ public bool Stacktrace;
+
+ int warnings, errors;
+
+ public int WarningsCount {
+ get { return warnings; }
+ }
+
+ public int ErrorsCount {
+ get { return errors; }
+ }
+
+ protected virtual string FormatText (string txt)
+ {
+ return txt;
+ }
- // FIXME: Completely wrong, it has to use FindMembers
- MemberCore mc = temp_ds.GetDefinition (mi.Name);
- if (mc != null)
- SymbolRelatedToPreviousError (mc);
- }
+ //
+ // When (symbols related to previous ...) can be used
+ //
+ public virtual bool HasRelatedSymbolSupport {
+ get { return true; }
}
- static public void SymbolRelatedToPreviousError (MemberCore mc)
+ public virtual void Print (AbstractMessage msg)
{
- SymbolRelatedToPreviousError (mc.Location, mc.GetSignatureForError ());
+ if (msg.IsWarning)
+ ++warnings;
+ else
+ ++errors;
}
- static public void SymbolRelatedToPreviousError (Type type)
+ protected void Print (AbstractMessage msg, TextWriter output)
{
- if (reporting_disabled)
- return;
+ StringBuilder txt = new StringBuilder ();
+ if (!msg.Location.IsNull) {
+ txt.Append (msg.Location.ToString ());
+ txt.Append (" ");
+ }
- type = TypeManager.DropGenericTypeArguments (type);
+ txt.AppendFormat ("{0} CS{1:0000}: {2}", msg.MessageType, msg.Code, msg.Text);
- if (TypeManager.IsGenericParameter (type)) {
- TypeParameter tp = TypeManager.LookupTypeParameter (type);
- if (tp != null) {
- SymbolRelatedToPreviousError (tp.Location, "");
- return;
- }
- }
+ if (!msg.IsWarning)
+ output.WriteLine (FormatText (txt.ToString ()));
+ else
+ output.WriteLine (txt.ToString ());
- if (type is TypeBuilder) {
- DeclSpace temp_ds = TypeManager.LookupDeclSpace (type);
- SymbolRelatedToPreviousError (temp_ds.Location, TypeManager.CSharpName (type));
- } else if (TypeManager.HasElementType (type)) {
- SymbolRelatedToPreviousError (type.GetElementType ());
- } else {
- SymbolRelatedToPreviousError (type.Assembly.Location, TypeManager.CSharpName (type));
+ if (msg.RelatedSymbols != null) {
+ foreach (string s in msg.RelatedSymbols)
+ output.WriteLine (s + msg.MessageType + ")");
}
}
+ }
+
+ //
+ // Default message recorder, it uses two types of message groups.
+ // Common messages: messages reported in all sessions.
+ // Merged messages: union of all messages in all sessions.
+ //
+ // Used by the Lambda expressions to compile the code with various
+ // parameter values, or by attribute resolver
+ //
+ class SessionReportPrinter : ReportPrinter
+ {
+ List<AbstractMessage> session_messages;
+ //
+ // A collection of exactly same messages reported in all sessions
+ //
+ List<AbstractMessage> common_messages;
+
+ //
+ // A collection of unique messages reported in all sessions
+ //
+ List<AbstractMessage> merged_messages;
- static void SymbolRelatedToPreviousError (string loc, string symbol)
+ public override void Print (AbstractMessage msg)
{
- string msg = String.Format ("{0} (Location of the symbol related to previous ", loc);
- if (extra_information.Contains (msg))
- return;
+ //
+ // This line is useful when debugging recorded messages
+ //
+ // Console.WriteLine ("RECORDING: {0}", msg.ToString ());
- extra_information.Add (msg);
+ if (session_messages == null)
+ session_messages = new List<AbstractMessage> ();
+
+ session_messages.Add (msg);
+
+ base.Print (msg);
}
- public static void AddWarningAsError (string warningId)
+ public void EndSession ()
{
- int id;
- try {
- id = int.Parse (warningId);
- } catch {
- id = -1;
- }
+ if (session_messages == null)
+ return;
- if (!CheckWarningCode (id, warningId, Location.Null))
+ //
+ // Handles the first session
+ //
+ if (common_messages == null) {
+ common_messages = new List<AbstractMessage> (session_messages);
+ merged_messages = session_messages;
+ session_messages = null;
return;
+ }
- if (warnings_as_error == null)
- warnings_as_error = new ArrayList ();
-
- warnings_as_error.Add (id);
- }
+ //
+ // Store common messages if any
+ //
+ for (int i = 0; i < common_messages.Count; ++i) {
+ AbstractMessage cmsg = common_messages[i];
+ bool common_msg_found = false;
+ foreach (AbstractMessage msg in session_messages) {
+ if (cmsg.Equals (msg)) {
+ common_msg_found = true;
+ break;
+ }
+ }
- public static bool CheckWarningCode (int code, Location loc)
- {
- return CheckWarningCode (code, code.ToString (), loc);
- }
+ if (!common_msg_found)
+ common_messages.RemoveAt (i);
+ }
- public static bool CheckWarningCode (int code, string scode, Location loc)
- {
- if (IsValidWarning (code))
- return true;
+ //
+ // Merge session and previous messages
+ //
+ for (int i = 0; i < session_messages.Count; ++i) {
+ AbstractMessage msg = session_messages[i];
+ bool msg_found = false;
+ for (int ii = 0; ii < merged_messages.Count; ++ii) {
+ if (msg.Equals (merged_messages[ii])) {
+ msg_found = true;
+ break;
+ }
+ }
- Report.Warning (1691, 1, loc, "`{0}' is not a valid warning number", scode);
- return false;
+ if (!msg_found)
+ merged_messages.Add (msg);
+ }
}
- public static void ExtraInformation (Location loc, string msg)
- {
- extra_information.Add (String.Format ("{0} {1}", loc, msg));
+ public bool IsEmpty {
+ get {
+ return merged_messages == null && common_messages == null;
+ }
}
- public static WarningRegions RegisterWarningRegion (Location location)
+ //
+ // Prints collected messages, common messages have a priority
+ //
+ public bool Merge (ReportPrinter dest)
{
- if (warning_regions_table == null)
- warning_regions_table = new Hashtable ();
+ var messages_to_print = merged_messages;
+ if (common_messages != null && common_messages.Count > 0) {
+ messages_to_print = common_messages;
+ }
- WarningRegions regions = (WarningRegions)warning_regions_table [location.Name];
- if (regions == null) {
- regions = new WarningRegions ();
- warning_regions_table.Add (location.Name, regions);
+ if (messages_to_print == null)
+ return false;
+
+ bool error_msg = false;
+ foreach (AbstractMessage msg in messages_to_print) {
+ dest.Print (msg);
+ error_msg |= !msg.IsWarning;
}
- return regions;
- }
- static public void Warning (int code, int level, Location loc, string message)
- {
- WarningMessage w = new WarningMessage (code, level, loc, message, extra_information);
- extra_information.Clear ();
- w.Print ();
+ return error_msg;
}
+ }
- static public void Warning (int code, int level, Location loc, string format, string arg)
- {
- WarningMessage w = new WarningMessage (code, level, loc, String.Format (format, arg), extra_information);
- extra_information.Clear ();
- w.Print ();
- }
+ class StreamReportPrinter : ReportPrinter
+ {
+ readonly TextWriter writer;
- static public void Warning (int code, int level, Location loc, string format, string arg1, string arg2)
+ public StreamReportPrinter (TextWriter writer)
{
- WarningMessage w = new WarningMessage (code, level, loc, String.Format (format, arg1, arg2), extra_information);
- extra_information.Clear ();
- w.Print ();
+ this.writer = writer;
}
- static public void Warning (int code, int level, Location loc, string format, params object[] args)
+ public override void Print (AbstractMessage msg)
{
- WarningMessage w = new WarningMessage (code, level, loc, String.Format (format, args), extra_information);
- extra_information.Clear ();
- w.Print ();
+ Print (msg, writer);
+ base.Print (msg);
}
+ }
- static public void Warning (int code, int level, string message)
- {
- Warning (code, level, Location.Null, message);
- }
+ class ConsoleReportPrinter : StreamReportPrinter
+ {
+ static readonly string prefix, postfix;
- static public void Warning (int code, int level, string format, string arg)
+ static ConsoleReportPrinter ()
{
- Warning (code, level, Location.Null, format, arg);
- }
+ string term = Environment.GetEnvironmentVariable ("TERM");
+ bool xterm_colors = false;
+
+ switch (term){
+ case "xterm":
+ case "rxvt":
+ case "rxvt-unicode":
+ if (Environment.GetEnvironmentVariable ("COLORTERM") != null){
+ xterm_colors = true;
+ }
+ break;
- static public void Warning (int code, int level, string format, string arg1, string arg2)
- {
- Warning (code, level, Location.Null, format, arg1, arg2);
- }
+ case "xterm-color":
+ xterm_colors = true;
+ break;
+ }
+ if (!xterm_colors)
+ return;
- static public void Warning (int code, int level, string format, params string[] args)
- {
- Warning (code, level, Location.Null, String.Format (format, args));
- }
+ if (!(UnixUtils.isatty (1) && UnixUtils.isatty (2)))
+ return;
+
+ string config = Environment.GetEnvironmentVariable ("MCS_COLORS");
+ if (config == null){
+ config = "errors=red";
+ //config = "brightwhite,red";
+ }
- static public void Error (int code, Location loc, string error)
- {
- new ErrorMessage (code, loc, error, extra_information).Print ();
- extra_information.Clear ();
- }
+ if (config == "disable")
+ return;
- static public void Error (int code, Location loc, string format, string arg)
- {
- new ErrorMessage (code, loc, String.Format (format, arg), extra_information).Print ();
- extra_information.Clear ();
- }
+ if (!config.StartsWith ("errors="))
+ return;
- static public void Error (int code, Location loc, string format, string arg1, string arg2)
- {
- new ErrorMessage (code, loc, String.Format (format, arg1, arg2), extra_information).Print ();
- extra_information.Clear ();
+ config = config.Substring (7);
+
+ int p = config.IndexOf (",");
+ if (p == -1)
+ prefix = GetForeground (config);
+ else
+ prefix = GetBackground (config.Substring (p+1)) + GetForeground (config.Substring (0, p));
+ postfix = "\x001b[0m";
}
- static public void Error (int code, Location loc, string format, params object[] args)
+ public ConsoleReportPrinter ()
+ : base (Console.Error)
{
- Error (code, loc, String.Format (format, args));
}
- static public void Error (int code, string error)
+ public ConsoleReportPrinter (TextWriter writer)
+ : base (writer)
{
- Error (code, Location.Null, error);
}
- static public void Error (int code, string format, string arg)
- {
- Error (code, Location.Null, format, arg);
- }
+ public int Fatal { get; set; }
- static public void Error (int code, string format, string arg1, string arg2)
+ static int NameToCode (string s)
{
- Error (code, Location.Null, format, arg1, arg2);
+ switch (s) {
+ case "black":
+ return 0;
+ case "red":
+ return 1;
+ case "green":
+ return 2;
+ case "yellow":
+ return 3;
+ case "blue":
+ return 4;
+ case "magenta":
+ return 5;
+ case "cyan":
+ return 6;
+ case "grey":
+ case "white":
+ return 7;
+ }
+ return 7;
}
- static public void Error (int code, string format, params string[] args)
+ //
+ // maps a color name to its xterm color code
+ //
+ static string GetForeground (string s)
{
- Error (code, Location.Null, String.Format (format, args));
- }
+ string highcode;
- static public void SetIgnoreWarning (int code)
- {
- if (warning_ignore_table == null)
- warning_ignore_table = new Hashtable ();
+ if (s.StartsWith ("bright")) {
+ highcode = "1;";
+ s = s.Substring (6);
+ } else
+ highcode = "";
- warning_ignore_table [code] = true;
- }
-
- static public int ExpectedError {
- set {
- expected_error = value;
- }
- get {
- return expected_error;
- }
- }
-
- public static int WarningLevel {
- get {
- return warning_level;
- }
- set {
- warning_level = value;
- }
+ return "\x001b[" + highcode + (30 + NameToCode (s)).ToString () + "m";
}
- public static int DebugFlags = 0;
-
- [Conditional ("MCS_DEBUG")]
- static public void Debug (string message, params object[] args)
+ static string GetBackground (string s)
{
- Debug (4, message, args);
+ return "\x001b[" + (40 + NameToCode (s)).ToString () + "m";
}
-
- [Conditional ("MCS_DEBUG")]
- static public void Debug (int category, string message, params object[] args)
- {
- if ((category & DebugFlags) == 0)
- return;
- StringBuilder sb = new StringBuilder (message);
+ protected override string FormatText (string txt)
+ {
+ if (prefix != null)
+ return prefix + txt + postfix;
- if ((args != null) && (args.Length > 0)) {
- sb.Append (": ");
+ return txt;
+ }
+ 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 (object arg in args) {
- if (first)
- first = false;
- else
+ foreach (ParameterInfo pi in mb.GetParameters ()) {
+ if (!first)
sb.Append (", ");
- if (arg == null)
- sb.Append ("null");
- else if (arg is ICollection)
- sb.Append (PrintCollection ((ICollection) arg));
- else
- sb.Append (arg);
+ first = false;
+
+ sb.Append (pi.ParameterType.FullName);
}
+ sb.Append (")\n");
}
-
- Console.WriteLine (sb.ToString ());
+
+ return sb.ToString ();
}
- static public string PrintCollection (ICollection collection)
+ int print_count;
+ public override void Print (AbstractMessage msg)
{
- StringBuilder sb = new StringBuilder ();
+ base.Print (msg);
- sb.Append (collection.GetType ());
- sb.Append ("(");
+ if (Stacktrace)
+ Console.WriteLine (FriendlyStackTrace (new StackTrace (true)));
- bool first = true;
- foreach (object o in collection) {
- if (first)
- first = false;
- else
- sb.Append (", ");
- sb.Append (o);
- }
+ if (++print_count == Fatal)
+ throw new Exception (msg.Text);
+ }
- sb.Append (")");
- return sb.ToString ();
+ public static string FriendlyStackTrace (Exception e)
+ {
+ return FriendlyStackTrace (new StackTrace (e, true));
+ }
+
+ public static void StackTrace ()
+ {
+ Console.WriteLine (FriendlyStackTrace (new StackTrace (true)));
}
}
public InternalErrorException (string message, params object[] args)
: base (String.Format (message, args))
- { }
+ {
+ }
+
+ public InternalErrorException (Exception exception, string message, params object[] args)
+ : base (String.Format (message, args), exception)
+ {
+ }
public InternalErrorException (Exception e, Location loc)
: base (loc.ToString (), e)
}
- ArrayList regions = new ArrayList ();
+ List<PragmaCmd> regions = new List<PragmaCmd> ();
public void WarningDisable (int line)
{
regions.Add (new DisableAll (line));
}
- public void WarningDisable (Location location, int code)
+ public void WarningDisable (Location location, int code, Report Report)
{
if (Report.CheckWarningCode (code, location))
regions.Add (new Disable (location.Row, code));
regions.Add (new EnableAll (line));
}
- public void WarningEnable (Location location, int code)
+ public void WarningEnable (Location location, int code, Report Report)
{
- if (Report.CheckWarningCode (code, location))
- regions.Add (new Enable (location.Row, code));
+ if (!Report.CheckWarningCode (code, location))
+ return;
+
+ if (Report.IsWarningDisabledGlobally (code))
+ Report.Warning (1635, 1, location, "Cannot restore warning `CS{0:0000}' because it was disabled globally", code);
+
+ regions.Add (new Enable (location.Row, code));
}
public bool IsWarningEnabled (int code, int src_line)
projects / mono.git / blobdiff