Merge pull request #820 from brendanzagaeski/master
[mono.git] / mcs / class / Microsoft.Build.Engine / Microsoft.Build.BuildEngine / ConsoleLogger.cs
index b34b1e9ee3297844da75769ca3e401f3f1b2a499..5fb7d21899cb771de2ce7d34dfded611aebfc06e 100644 (file)
 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-#if NET_2_0
-
 using System;
 using System.Runtime.InteropServices;
+using System.Collections;
+using System.Collections.Generic;
 using System.IO;
+using System.Linq;
 using System.Security;
+using System.Text;
 using Microsoft.Build.Framework;
 
-namespace Microsoft.Build.BuildEngine {
+#if MICROSOFT_BUILD_DLL
+namespace Microsoft.Build.Logging
+#else
+namespace Microsoft.Build.BuildEngine
+#endif
+{
        public class ConsoleLogger : ILogger {
        
                string          parameters;
-               int             indent;
                LoggerVerbosity verbosity;
                WriteHandler    writeHandler;
-               int             errorCount;
-               int             warningCount;
-               DateTime                buildStart;
-               bool            performanceSummary;
-               bool            showSummary;
                bool            skipProjectStartedText;
+               ConsoleColor errorColor, warningColor, eventColor, messageColor, highMessageColor;
+               ColorSetter colorSet;
+               ColorResetter colorReset;
+               IEventSource eventSource;
+               bool no_message_color, use_colors;
+               ConsoleLoggerParameter config = new ConsoleLoggerParameter ();          
                
                public ConsoleLogger ()
                        : this (LoggerVerbosity.Normal, null, null, null)
@@ -53,235 +60,351 @@ namespace Microsoft.Build.BuildEngine {
                }
 
                public ConsoleLogger (LoggerVerbosity verbosity)
-                       : this (LoggerVerbosity.Normal, null, null, null)
+                       : this (verbosity, null, null, null)
                {
                }
                
-               // FIXME: what about colorSet and colorReset?
                public ConsoleLogger (LoggerVerbosity verbosity,
                                      WriteHandler write,
                                      ColorSetter colorSet,
                                      ColorResetter colorReset)
                {
                        this.verbosity = verbosity;
-                       this.indent = 0;
-                       this.errorCount = 0;
-                       this.warningCount = 0;
                        if (write == null)
                                this.writeHandler += new WriteHandler (WriteHandlerFunction);
                        else
                                this.writeHandler += write;
-                       this.performanceSummary = false;
-                       this.showSummary = true;
                        this.skipProjectStartedText = false;
+                       this.colorSet = colorSet;
+                       this.colorReset = colorReset;
+
+                       //defaults
+                       errorColor = ConsoleColor.DarkRed;
+                       warningColor = ConsoleColor.DarkYellow;
+                       eventColor = ConsoleColor.DarkCyan;
+                       messageColor = ConsoleColor.DarkGray;
+                       highMessageColor = ConsoleColor.White;
+
+                       // if message color is not set via the env var,
+                       // then don't use any color for it.
+                       no_message_color = true;
+
+                       use_colors = false;
+                       if (colorSet == null || colorReset == null)
+                               return;
+
+                       // color support
+                       string config = Environment.GetEnvironmentVariable ("XBUILD_COLORS");
+                       if (config == null) {
+                               use_colors = true;
+                               return;
+                       }
+
+                       if (config == "disable")
+                               return;
+
+                       use_colors = true;
+                       string [] pairs = config.Split (new char[] {','}, StringSplitOptions.RemoveEmptyEntries);
+                       foreach (string pair in pairs) {
+                               string [] parts = pair.Split (new char[] {'='}, StringSplitOptions.RemoveEmptyEntries);
+                               if (parts.Length != 2)
+                                       continue;
+
+                               if (parts [0] == "errors")
+                                       TryParseConsoleColor (parts [1], ref errorColor);
+                               else if (parts [0] == "warnings")
+                                       TryParseConsoleColor (parts [1], ref warningColor);
+                               else if (parts [0] == "events")
+                                       TryParseConsoleColor (parts [1], ref eventColor);
+                               else if (parts [0] == "messages") {
+                                       if (TryParseConsoleColor (parts [1], ref messageColor)) {
+                                               highMessageColor = GetBrightColorFor (messageColor);
+                                               no_message_color = false;
+                                       }
+                               }
+                       }
                }
                
-               public void ApplyParameter (string parameterName,
-                                           string parameterValue)
+               private void WriteHandlerFunction (string message)
+               {
+                       Console.WriteLine (message);
+               }
+
+               bool TryParseConsoleColor (string color_str, ref ConsoleColor color)
                {
-                       // FIXME: what we should do here? in msbuild it isn't
-                       // changing "parameters" property
+                       switch (color_str.ToLowerInvariant ()) {
+                       case "black": color = ConsoleColor.Black; break;
+
+                       case "blue": color = ConsoleColor.DarkBlue; break;
+                       case "green": color = ConsoleColor.DarkGreen; break;
+                       case "cyan": color = ConsoleColor.DarkCyan; break;
+                       case "red": color = ConsoleColor.DarkRed; break;
+                       case "magenta": color = ConsoleColor.DarkMagenta; break;
+                       case "yellow": color = ConsoleColor.DarkYellow; break;
+                       case "grey": color = ConsoleColor.DarkGray; break;
+
+                       case "brightgrey": color = ConsoleColor.Gray; break;
+                       case "brightblue": color = ConsoleColor.Blue; break;
+                       case "brightgreen": color = ConsoleColor.Green; break;
+                       case "brightcyan": color = ConsoleColor.Cyan; break;
+                       case "brightred": color = ConsoleColor.Red; break;
+                       case "brightmagenta": color = ConsoleColor.Magenta; break;
+                       case "brightyellow": color = ConsoleColor.Yellow; break;
+
+                       case "white":
+                       case "brightwhite": color = ConsoleColor.White; break;
+                       default: return false;
+                       }
+
+                       return true;
                }
 
-               public virtual void Initialize (IEventSource eventSource)
+               ConsoleColor GetBrightColorFor (ConsoleColor color)
                {
-                        eventSource.BuildStarted +=  new BuildStartedEventHandler (BuildStartedHandler);
-                        eventSource.BuildFinished += new BuildFinishedEventHandler (BuildFinishedHandler);
-                        eventSource.ProjectStarted += new ProjectStartedEventHandler (ProjectStartedHandler);
-                        eventSource.ProjectFinished += new ProjectFinishedEventHandler (ProjectFinishedHandler);
-                        eventSource.TargetStarted += new TargetStartedEventHandler (TargetStartedHandler);
-                        eventSource.TargetFinished += new TargetFinishedEventHandler (TargetFinishedHandler);
-                        eventSource.TaskStarted += new TaskStartedEventHandler (TaskStartedHandler);
-                        eventSource.TaskFinished += new TaskFinishedEventHandler (TaskFinishedHandler);
-                        eventSource.MessageRaised += new BuildMessageEventHandler (MessageHandler);
-                        eventSource.WarningRaised += new BuildWarningEventHandler (WarningHandler);
-                        eventSource.ErrorRaised += new BuildErrorEventHandler (ErrorHandler);
+                       switch (color) {
+                       case ConsoleColor.DarkBlue: return ConsoleColor.Blue;
+                       case ConsoleColor.DarkGreen: return ConsoleColor.Green;
+                       case ConsoleColor.DarkCyan: return ConsoleColor.Cyan;
+                       case ConsoleColor.DarkRed: return ConsoleColor.Red;
+                       case ConsoleColor.DarkMagenta: return ConsoleColor.Magenta;
+                       case ConsoleColor.DarkYellow: return ConsoleColor.Yellow;
+                       case ConsoleColor.DarkGray: return ConsoleColor.Gray;
+                       case ConsoleColor.Gray: return ConsoleColor.White;
+
+                       default: return color;
+                       }
                }
                
-               public void BuildStartedHandler (object sender, BuildStartedEventArgs args)
+               class ConsoleLoggerParameter
                {
-                       WriteLine (String.Empty);
-                       WriteLine (String.Format ("Build started {0}.", args.Timestamp));
-                       WriteLine ("__________________________________________________");
-                       buildStart = args.Timestamp;
+                       public ConsoleLoggerParameter ()
+                       {
+                               ShowSummary = true;
+                       }
+                       public bool PerformanceSummary { get; set; }
+                       public bool ShowSummary { get; set; }
+                       public bool NoItemAndPropertyList { get; set; }
                }
                
-               public void BuildFinishedHandler (object sender, BuildFinishedEventArgs args)
+               public void ApplyParameter (string parameterName,
+                                           string parameterValue)
                {
-                       if (args.Succeeded == true) {
-                               WriteLine ("Build succeeded.");
-                       } else {
-                               WriteLine ("Build failed.");
+                       switch (parameterName) {
+                               case "PerformanceSummary":
+                                       config.PerformanceSummary = true;
+                                       break;
+                               case "Summary":
+                                       config.ShowSummary = true;
+                                       break;
+                               case "NoSummary":
+                                       config.ShowSummary = false;
+                                       break;
+                               case "NoItemAndPropertyList":
+                                       config.NoItemAndPropertyList = true;
+                                       break;
+                               default:
+                                       if (parameterName.StartsWith ("Verbosity="))
+                                               ParseVerbosity (parameterName);
+                                       break;
                        }
-                       if (performanceSummary == true) {
+               }
+
+               void ParseVerbosity (string s)
+               {
+                       string key, value;
+                       if (!TrySplitKeyValuePair (s, out key, out value))
+                               throw new LoggerException ("Unknown Verbosity, should be set as 'Verbosity=<verbosity>'");
+
+                       switch (value) {
+                       case "q":
+                       case "quiet":
+                               Verbosity = LoggerVerbosity.Quiet;
+                               break;
+                       case "m":
+                       case "minimal":
+                               Verbosity = LoggerVerbosity.Minimal;
+                               break;
+                       case "n":
+                       case "normal":
+                               Verbosity = LoggerVerbosity.Normal;
+                               break;
+                       case "d":
+                       case "detailed":
+                               Verbosity = LoggerVerbosity.Detailed;
+                               break;
+                       case "diag":
+                       case "diagnostic":
+                               Verbosity = LoggerVerbosity.Diagnostic;
+                               break;
+                       default:
+                               throw new LoggerException (String.Format ("Unknown verbosity - '{0}'", s));
                        }
-                       if (showSummary == true){
-                               TimeSpan timeElapsed = args.Timestamp - buildStart;
-                               WriteLine (String.Format ("\t {0} Warning(s)", warningCount));
-                               WriteLine (String.Format ("\t {0} Error(s)", errorCount));
-                               WriteLine (String.Empty);
-                               WriteLine (String.Format ("Time Elapsed {0}", timeElapsed));
-                       } 
                }
 
-               public void ProjectStartedHandler (object sender, ProjectStartedEventArgs args)
+               bool TrySplitKeyValuePair (string pair, out string key, out string value)
                {
-                       WriteLine (String.Format ("Project \"{0}\" ({1} target(s)):", args.ProjectFile, args.TargetNames));
-                       WriteLine (String.Empty);
+                       key = value = null;
+                       string[] parts = pair.Split ('=');
+                       if (parts.Length != 2)
+                               return false;
+
+                       key = parts [0];
+                       value = parts [1];
+                       return true;
+               }
+
+               public virtual void Initialize (IEventSource eventSource)
+               {
+                       this.eventSource = eventSource;
+
+                       eventSource.BuildStarted += BuildStartedHandler;
+                       eventSource.BuildFinished += BuildFinishedHandler;
+
+                       eventSource.ProjectStarted += PushEvent;
+                       eventSource.ProjectFinished += PopEvent;
+
+                       eventSource.TargetStarted += PushEvent;
+                       eventSource.TargetFinished += PopEvent;
+
+                       eventSource.TaskStarted += PushEvent;
+                       eventSource.TaskFinished += PopEvent;
+
+                       eventSource.MessageRaised += MessageHandler;
+                       eventSource.WarningRaised += WarningHandler;
+                       eventSource.ErrorRaised += ErrorHandler;
+
+                       if (!String.IsNullOrEmpty (parameters))
+                               ParseParameters ();
                }
                
-               public void ProjectFinishedHandler (object sender, ProjectFinishedEventArgs args)
+               Dictionary<object,BuildRecord> build_records = new Dictionary<object, BuildRecord> ();
+               
+               object dummy_key = new object ();
+               
+               BuildRecord GetBuildRecord (object sender)
                {
-                       if (IsVerbosityGreaterOrEqual (LoggerVerbosity.Diagnostic)) {
-                               WriteLine (String.Format ("Done building project \"{0}\".", args.ProjectFile));
-                               WriteLine (String.Empty);
+                       BuildRecord r;
+                       // FIXME: our Microsoft.Build.Engine shouldn't give different "sender" object for each event
+                       // during the same build run. But it actually does.
+                       // It is problematic for parallel build because it is impossible to determine right "ongoing build"
+                       // record for the event without correct sender object.
+                       // Hence we expect sender as a valid object only if it is IBuildEngine4 -
+                       // only Microsoft.Build.Internal.BuildEngine4 implements it so far. 
+                       // (Used IBuildEngine3 because it needs to build for NET_4_0).
+#if NET_4_0
+                       var key = sender as IBuildEngine3 ?? dummy_key;
+#else
+                       var key = dummy_key;
+#endif
+                       if (!build_records.TryGetValue (key, out r)) {
+                               r = new BuildRecord (this);
+                               build_records.Add (key, r);
                        }
+                       return r;
+               }
+
+               public void BuildStartedHandler (object sender, BuildStartedEventArgs args)
+               {
+                       GetBuildRecord (sender).BuildStartedHandler (sender, args);
                }
                
-               public void TargetStartedHandler (object sender, TargetStartedEventArgs args)
+               public void BuildFinishedHandler (object sender, BuildFinishedEventArgs args)
                {
-                       WriteLine (String.Format ("Target {0}:",args.TargetName));
-                       indent++;
+                       GetBuildRecord (sender).BuildFinishedHandler (args);
+                       build_records.Remove (sender);
                }
                
+               void PushEvent<T> (object sender, T args) where T: BuildStatusEventArgs
+               {
+                       GetBuildRecord (sender).PushEvent (sender, args);
+               }
+               void PopEvent<T> (object sender, T args) where T: BuildStatusEventArgs
+               {
+                       GetBuildRecord (sender).PopEvent (args);
+               }
+               public void ProjectStartedHandler (object sender, ProjectStartedEventArgs args)
+               {
+                       GetBuildRecord (sender).ProjectStartedHandler (args);
+               }
+               public void ProjectFinishedHandler (object sender, ProjectFinishedEventArgs args)
+               {
+                       GetBuildRecord (sender).ProjectFinishedHandler (args);
+               }               
+               public void TargetStartedHandler (object sender, TargetStartedEventArgs args)
+               {
+                       GetBuildRecord (sender).TargetStartedHandler (args);
+               }
                public void TargetFinishedHandler (object sender, TargetFinishedEventArgs args)
                {
-                       indent--;
-                       if (IsVerbosityGreaterOrEqual (LoggerVerbosity.Diagnostic))
-                               WriteLine (String.Format ("Done building target \"{0}\" in project \"{1}\".",
-                                       args.TargetName, args.ProjectFile));
-                       WriteLine (String.Empty);
+                       GetBuildRecord (sender).TargetFinishedHandler (args);
                }
-               
                public void TaskStartedHandler (object sender, TaskStartedEventArgs args)
                {
-                       if (this.verbosity == LoggerVerbosity.Diagnostic)
-                               WriteLine (String.Format ("Task \"{0}\"",args.TaskName));
-                       indent++;
+                       GetBuildRecord (sender).TaskStartedHandler (args);
                }
-               
                public void TaskFinishedHandler (object sender, TaskFinishedEventArgs args)
                {
-                       indent--;
-                       if (this.verbosity == LoggerVerbosity.Diagnostic)
-                               WriteLine (String.Format ("Done executing task \"{0}\"",args.TaskName));
+                       GetBuildRecord (sender).TaskFinishedHandler (args);
                }
-               
                public void MessageHandler (object sender, BuildMessageEventArgs args)
                {
-                       if (IsMessageOk (args)) {
-                               WriteLine (args.Message);
-                       }
+                       GetBuildRecord (sender).MessageHandler (args);
                }
-               
                public void WarningHandler (object sender, BuildWarningEventArgs args)
                {
-                       if (IsVerbosityGreaterOrEqual (LoggerVerbosity.Normal)) 
-                               WriteLineWithoutIndent (FormatWarningEvent (args));
-                       warningCount++;
+                       GetBuildRecord (sender).WarningHandler (args);
                }
-               
                public void ErrorHandler (object sender, BuildErrorEventArgs args)
                {
-                       if (IsVerbosityGreaterOrEqual (LoggerVerbosity.Minimal)) 
-                               WriteLineWithoutIndent (FormatErrorEvent (args));
-                       errorCount++;
+                       GetBuildRecord (sender).ErrorHandler (args);
                }
                
                [MonoTODO]
                public void CustomEventHandler (object sender, CustomBuildEventArgs args)
                {
+                       build_records [sender].CustomHandler (args);
                }
-               
-               private void WriteLine (string message)
-               {
-                       for (int i = 0; i < indent; i++)
-                               Console.Write ('\t');
-                       writeHandler (message);
-               }
-               
-               private void WriteLineWithoutIndent (string message)
+
+               void SetColor (ConsoleColor color)
                {
-                       writeHandler (message);
+                       if (use_colors)
+                               colorSet (color);
                }
-               
-               private void WriteHandlerFunction (string message)
+
+               void ResetColor ()
                {
-                       Console.WriteLine (message);
+                       if (use_colors)
+                               colorReset ();
                }
                
                private void ParseParameters ()
                {
                        string[] splittedParameters = parameters.Split (';');
-                       foreach (string s in splittedParameters ) {
-                               switch (s) {
-                               case "PerformanceSummary":
-                                       this.performanceSummary = true;
-                                       break;
-                               case "NoSummary":
-                                       this.showSummary = false;
-                                       break;
-                               default:
-                                       throw new ArgumentException ("Invalid parameter.");
-                               }
-                       }
+                       foreach (string s in splittedParameters )
+                               ApplyParameter (s, null);
                }
                
                public virtual void Shutdown ()
                {
-               }
-               
-               private string FormatErrorEvent (BuildErrorEventArgs args)
-               {
-                       // FIXME: show more complicated args
-                       if (args.LineNumber != 0 && args.ColumnNumber != 0) {
-                               return String.Format ("{0}({1},{2}): {3} error {4}: {5}", args.File, args.LineNumber, args.ColumnNumber,
-                                       args.Subcategory, args.Code, args.Message);
-                       } else {
-                               return String.Format ("{0}: {1} error {2}: {3}", args.File, args.Subcategory, args.Code,
-                                       args.Message);
-                       }
-               }
+                       if (eventSource == null)
+                               return;
 
-               private string FormatWarningEvent (BuildWarningEventArgs args)
-               {
-                       // FIXME: show more complicated args
-                       if (args.LineNumber != 0 && args.ColumnNumber != 0) {
-                               return String.Format ("{0}({1},{2}): {3} warning {4}: {5}", args.File, args.LineNumber, args.ColumnNumber,
-                                       args.Subcategory, args.Code, args.Message);
-                       } else {
-                               return String.Format ("{0}: {1} warning {2}: {3}", args.File, args.Subcategory, args.Code,
-                                       args.Message);
-                       }
-               }
-               
-               private bool IsMessageOk (BuildMessageEventArgs bsea)
-               {
-                       if (bsea.Importance == MessageImportance.High && IsVerbosityGreaterOrEqual (LoggerVerbosity.Minimal)) {
-                               return true;
-                       } else if (bsea.Importance == MessageImportance.Normal && IsVerbosityGreaterOrEqual (LoggerVerbosity.Normal)) {
-                               return true;
-                       } else if (bsea.Importance == MessageImportance.Low && IsVerbosityGreaterOrEqual (LoggerVerbosity.Detailed)) {
-                               return true;
-                       } else
-                               return false;
+                       eventSource.BuildStarted -= BuildStartedHandler;
+                       eventSource.BuildFinished -= BuildFinishedHandler;
+
+                       eventSource.ProjectStarted -= PushEvent;
+                       eventSource.ProjectFinished -= PopEvent;
+
+                       eventSource.TargetStarted -= PushEvent;
+                       eventSource.TargetFinished -= PopEvent;
+
+                       eventSource.TaskStarted -= PushEvent;
+                       eventSource.TaskFinished -= PopEvent;
+
+                       eventSource.MessageRaised -= MessageHandler;
+                       eventSource.WarningRaised -= WarningHandler;
+                       eventSource.ErrorRaised -= ErrorHandler;
                }
-               
-                private bool IsVerbosityGreaterOrEqual (LoggerVerbosity v)
-                {
-                               if (v == LoggerVerbosity.Diagnostic) {
-                                       return LoggerVerbosity.Diagnostic <= verbosity;
-                               } else if (v == LoggerVerbosity.Detailed) {
-                                       return LoggerVerbosity.Detailed <= verbosity;
-                               } else if (v == LoggerVerbosity.Normal) {
-                                       return LoggerVerbosity.Normal <= verbosity;
-                               } else if (v == LoggerVerbosity.Minimal) {
-                                       return LoggerVerbosity.Minimal <= verbosity;
-                               } else if (v == LoggerVerbosity.Quiet) {
-                                       return true;
-                               } else
-                                       return false;
-                }
 
                public string Parameters {
                        get {
@@ -291,14 +414,13 @@ namespace Microsoft.Build.BuildEngine {
                                if (value == null)
                                        throw new ArgumentNullException ();
                                parameters = value;
-                               if (parameters != String.Empty)
-                                       ParseParameters ();
+                               ParseParameters ();
                        }
                }
                
                public bool ShowSummary {
-                       get { return showSummary; }
-                       set { showSummary = value; }
+                       get { return config.ShowSummary; }
+                       set { config.ShowSummary = value; }
                }
                
                public bool SkipProjectStartedText {
@@ -315,7 +437,600 @@ namespace Microsoft.Build.BuildEngine {
                        get { return writeHandler; }
                        set { writeHandler = value; }
                }
+               
+               class BuildRecord
+               {
+                       readonly ConsoleLogger parent;
+                       
+                       readonly List<BuildEvent> events;
+                       readonly Dictionary<string, List<string>> errorsTable;
+                       readonly Dictionary<string, List<string>> warningsTable;
+                       readonly SortedDictionary<string, PerfInfo> targetPerfTable, tasksPerfTable;
+                       List<string> errors, warnings;
+                       int             indent;
+                       int             errorCount;
+                       int             warningCount;
+                       bool            projectFailed;
+                       DateTime                buildStart;
+       
+                       string current_events_string;
+                       
+                       ConsoleColor eventColor {
+                               get { return parent.eventColor; }
+                       }
+                       LoggerVerbosity verbosity {
+                               get { return parent.Verbosity; }
+                       }
+                       
+                       public BuildRecord (ConsoleLogger parent)
+                       {
+                               this.parent = parent;
+                               
+                               this.indent = 0;
+                               this.errorCount = 0;
+                               this.warningCount = 0;
+                               errors = new List<string> ();
+                               warnings = new List<string> ();
+                               events = new List<BuildEvent> ();
+                               errorsTable = new Dictionary<string, List<string>> ();
+                               warningsTable = new Dictionary<string, List<string>> ();
+                               targetPerfTable = new SortedDictionary<string, PerfInfo> ();
+                               tasksPerfTable = new SortedDictionary<string, PerfInfo> ();
+                       }
+       
+                       internal void PushEvent<T> (object sender, T args) where T: BuildStatusEventArgs
+                       {
+                               BuildEvent be = new BuildEvent {
+                                       Sender = sender,
+                                       EventArgs = args,
+                                       StartHandlerHasExecuted = false,
+                                       ConsoleLogger = this.parent
+                               };
+       
+                               events.Add (be);
+                               current_events_string = null;
+                       }
+       
+                       void PopEvent<T> (object sender, T finished_args) where T: BuildStatusEventArgs
+                       {
+                               PopEvent (finished_args);
+                       }
+       
+                       internal void PopEvent<T> (T finished_args) where T: BuildStatusEventArgs
+                       {
+                               if (events.Count == 0)
+                                       throw new InvalidOperationException ("INTERNAL ERROR: Trying to pop from an empty events stack");
+       
+                               BuildEvent be = events [events.Count - 1];
+                               if (parent.config.PerformanceSummary || verbosity == LoggerVerbosity.Diagnostic) {
+                                       var args = be.EventArgs;
+                                       TargetStartedEventArgs tgt_args = args as TargetStartedEventArgs;
+                                       if (tgt_args != null) {
+                                               AddPerfInfo (tgt_args.TargetName, args.Timestamp, targetPerfTable);
+                                       } else {
+                                               TaskStartedEventArgs tsk_args = args as TaskStartedEventArgs;
+                                               if (tsk_args != null)
+                                                       AddPerfInfo (tsk_args.TaskName, args.Timestamp, tasksPerfTable);
+                                       }
+                               }
+       
+                               be.ExecuteFinishedHandler (finished_args);
+                               events.RemoveAt (events.Count - 1);
+                               current_events_string = null;
+                       }
+       
+                       public void ResetBuildState ()
+                       {
+                               // Reset
+                               events.Clear ();
+                               errorsTable.Clear ();
+                               warningsTable.Clear ();
+                               targetPerfTable.Clear ();
+                               tasksPerfTable.Clear ();
+                               errors.Clear ();
+                               warnings.Clear ();
+       
+                               indent = 0;
+                               errorCount = 0;
+                               warningCount = 0;
+                               projectFailed = false;
+                       }
+       
+                       void AddPerfInfo (string name, DateTime start, IDictionary<string, PerfInfo> perf_table)
+                       {
+                               PerfInfo pi;
+                               if (!perf_table.TryGetValue (name, out pi)) {
+                                       pi = new PerfInfo ();
+                                       perf_table [name] = pi;
+                               }
+       
+                               pi.Time += DateTime.Now - start;
+                               pi.NumberOfCalls ++;
+                       }
+       
+                       public void BuildStartedHandler (object sender, BuildStartedEventArgs args)
+                       {
+                               if (IsVerbosityGreaterOrEqual (LoggerVerbosity.Normal)) {
+                                       WriteLine (String.Empty);
+                                       WriteLine (String.Format ("Build started {0}.", args.Timestamp));
+                                       WriteLine ("__________________________________________________");
+                               }
+                               buildStart = args.Timestamp;
+       
+                               PushEvent (sender, args);
+                       }
+                       
+                       public void BuildFinishedHandler (BuildFinishedEventArgs args)
+                       {
+                               BuildFinishedHandlerActual (args);
+                               
+                               ResetBuildState ();
+                       }
+       
+                       void BuildFinishedHandlerActual (BuildFinishedEventArgs args)
+                       {
+                               if (!IsVerbosityGreaterOrEqual (LoggerVerbosity.Normal)) {
+                                       PopEvent (args);
+                                       return;
+                               }
+       
+                               TimeSpan timeElapsed = args.Timestamp - buildStart;
+                               if (parent.config.PerformanceSummary || verbosity == LoggerVerbosity.Diagnostic)
+                                       DumpPerformanceSummary ();
+       
+                               if (args.Succeeded == true && !projectFailed) {
+                                       WriteLine ("Build succeeded.");
+                               } else {
+                                       WriteLine ("Build FAILED.");
+                               }
+                               if (warnings.Count > 0) {
+                                       WriteLine (Environment.NewLine + "Warnings:");
+                                       SetColor (parent.warningColor);
+       
+                                       WriteLine (String.Empty);
+                                       foreach (KeyValuePair<string, List<string>> pair in warningsTable) {
+                                               if (!String.IsNullOrEmpty (pair.Key))
+                                                       WriteLine (pair.Key);
+       
+                                               string indent_str = String.IsNullOrEmpty (pair.Key) ? String.Empty : "\t";
+                                               foreach (string msg in pair.Value)
+                                                       WriteLine (String.Format ("{0}{1}", indent_str, msg));
+       
+                                               WriteLine (String.Empty);
+                                       }
+       
+                                       ResetColor ();
+                               }
+       
+                               if (errors.Count > 0) {
+                                       WriteLine ("Errors:");
+                                       SetColor (parent.errorColor);
+       
+                                       WriteLine (String.Empty);
+                                       foreach (KeyValuePair<string, List<string>> pair in errorsTable) {
+                                               if (!String.IsNullOrEmpty (pair.Key))
+                                                       WriteLine (pair.Key);
+       
+                                               string indent_str = String.IsNullOrEmpty (pair.Key) ? String.Empty : "\t";
+                                               foreach (string msg in pair.Value)
+                                                       WriteLine (String.Format ("{0}{1}", indent_str, msg));
+       
+                                               WriteLine (String.Empty);
+                                       }
+                                       ResetColor ();
+                               }
+       
+                               if (parent.ShowSummary == true){
+                                       WriteLine (String.Format ("\t {0} Warning(s)", warningCount));
+                                       WriteLine (String.Format ("\t {0} Error(s)", errorCount));
+                                       WriteLine (String.Empty);
+                                       WriteLine (String.Format ("Time Elapsed {0}", timeElapsed));
+                               }
+       
+                               PopEvent (args);
+                       }
+       
+                       public void ProjectStartedHandler (ProjectStartedEventArgs args)
+                       {
+                               if (IsVerbosityGreaterOrEqual (LoggerVerbosity.Normal)) {
+                                       SetColor (eventColor);
+                                       WriteLine (String.Format ("Project \"{0}\" ({1} target(s)):", args.ProjectFile,
+                                                               String.IsNullOrEmpty (args.TargetNames) ? "default" : args.TargetNames));
+                                       ResetColor ();
+                                       DumpProperties (args.Properties);
+                                       DumpItems (args.Items);
+                               }
+                       }
+                       
+                       public void ProjectFinishedHandler (ProjectFinishedEventArgs args)
+                       {
+                               if (IsVerbosityGreaterOrEqual (LoggerVerbosity.Normal)) {
+                                       if (indent == 1)
+                                               indent --;
+                                       SetColor (eventColor);
+                                       WriteLine (String.Format ("Done building project \"{0}\".{1}", args.ProjectFile,
+                                                               args.Succeeded ? String.Empty : "-- FAILED"));
+                                       ResetColor ();
+                                       WriteLine (String.Empty);
+                               }
+                               if (!projectFailed)
+                                       // no project has failed yet, so update the flag
+                                       projectFailed = !args.Succeeded;
+                       }
+                       
+                       public void TargetStartedHandler (TargetStartedEventArgs args)
+                       {
+                               if (IsVerbosityGreaterOrEqual (LoggerVerbosity.Normal)) {
+                                       indent++;
+                                       SetColor (eventColor);
+                                       WriteLine (String.Empty);
+                                       WriteLine (String.Format ("Target {0}:",args.TargetName));
+                                       ResetColor ();
+                               }
+                       }
+                       
+                       public void TargetFinishedHandler (TargetFinishedEventArgs args)
+                       {
+                               if (IsVerbosityGreaterOrEqual (LoggerVerbosity.Detailed) ||
+                                               (!args.Succeeded && IsVerbosityGreaterOrEqual (LoggerVerbosity.Normal))) {
+                                       SetColor (eventColor);
+                                       WriteLine (String.Format ("Done building target \"{0}\" in project \"{1}\".{2}",
+                                               args.TargetName, args.ProjectFile,
+                                               args.Succeeded ? String.Empty : "-- FAILED"));
+                                       ResetColor ();
+                                       WriteLine (String.Empty);
+                               }
+                               indent--;
+                       }
+                       
+                       public void TaskStartedHandler (TaskStartedEventArgs args)
+                       {
+                               if (IsVerbosityGreaterOrEqual (LoggerVerbosity.Detailed)) {
+                                       SetColor (eventColor);
+                                       WriteLine (String.Format ("Task \"{0}\"",args.TaskName));
+                                       ResetColor ();
+                               }
+                               indent++;
+                       }
+                       
+                       public void TaskFinishedHandler (TaskFinishedEventArgs args)
+                       {
+                               indent--;
+                               if (IsVerbosityGreaterOrEqual (LoggerVerbosity.Detailed) ||
+                                               (!args.Succeeded && IsVerbosityGreaterOrEqual (LoggerVerbosity.Normal))) {
+                                       SetColor (eventColor);
+                                       if (args.Succeeded)
+                                               WriteLine (String.Format ("Done executing task \"{0}\"", args.TaskName));
+                                       else
+                                               WriteLine (String.Format ("Task \"{0}\" execution -- FAILED", args.TaskName));
+                                       ResetColor ();
+                               }
+                       }
+                       
+                       public void MessageHandler (BuildMessageEventArgs args)
+                       {
+                               if (IsMessageOk (args)) {
+                                       if (parent.no_message_color) {
+                                               ExecutePendingEventHandlers ();
+                                               WriteLine (args.Message);
+                                       } else {
+                                               ExecutePendingEventHandlers ();
+                                               SetColor (args.Importance == MessageImportance.High ? parent.highMessageColor : parent.messageColor);
+                                               WriteLine (args.Message);
+                                               ResetColor ();
+                                       }
+                               }
+                       }
+                       
+                       public void WarningHandler (BuildWarningEventArgs args)
+                       {
+                               string msg = FormatWarningEvent (args);
+                               if (IsVerbosityGreaterOrEqual (LoggerVerbosity.Quiet)) {
+                                       ExecutePendingEventHandlers ();
+                                       SetColor (parent.warningColor);
+                                       WriteLineWithoutIndent (msg);
+                                       ResetColor ();
+                               }
+                               warnings.Add (msg);
+       
+                               List<string> list = null;
+                               if (!warningsTable.TryGetValue (EventsAsString, out list))
+                                       warningsTable [EventsAsString] = list = new List<string> ();
+                               list.Add (msg);
+       
+                               warningCount++;
+                       }
+                       
+                       public void ErrorHandler (BuildErrorEventArgs args)
+                       {
+                               string msg = FormatErrorEvent (args);
+                               if (IsVerbosityGreaterOrEqual (LoggerVerbosity.Quiet)) {
+                                       ExecutePendingEventHandlers ();
+                                       SetColor (parent.errorColor);
+                                       WriteLineWithoutIndent (msg);
+                                       ResetColor ();
+                               }
+                               errors.Add (msg);
+       
+                               List<string> list = null;
+                               if (!errorsTable.TryGetValue (EventsAsString, out list))
+                                       errorsTable [EventsAsString] = list = new List<string> ();
+                               list.Add (msg);
+                               errorCount++;
+                       }
+                       
+                       public void CustomHandler (CustomBuildEventArgs args)
+                       {
+                       }
+                       
+                       private bool IsVerbosityGreaterOrEqual (LoggerVerbosity v)
+                       {
+                               if (v == LoggerVerbosity.Diagnostic) {
+                                       return LoggerVerbosity.Diagnostic <= verbosity;
+                               } else if (v == LoggerVerbosity.Detailed) {
+                                       return LoggerVerbosity.Detailed <= verbosity;
+                               } else if (v == LoggerVerbosity.Normal) {
+                                       return LoggerVerbosity.Normal <= verbosity;
+                               } else if (v == LoggerVerbosity.Minimal) {
+                                       return LoggerVerbosity.Minimal <= verbosity;
+                               } else if (v == LoggerVerbosity.Quiet) {
+                                       return true;
+                               } else
+                                       return false;
+                       }
+       
+                       void DumpItems (IEnumerable items)
+                       {
+                               if (parent.config.NoItemAndPropertyList || !IsVerbosityGreaterOrEqual (LoggerVerbosity.Diagnostic) || items == null)
+                                       return;
+       
+                               SetColor (eventColor);
+                               WriteLine (String.Empty);
+                               WriteLine ("Initial Items:");
+                               ResetColor ();
+                               if (items == null)
+                                       return;
+       
+                               var items_table = new SortedDictionary<string, List<ITaskItem>> ();
+                               foreach (DictionaryEntry de in items) {
+                                       string key = (string)de.Key;
+                                       if (!items_table.ContainsKey (key))
+                                               items_table [key] = new List<ITaskItem> ();
+       
+                                       items_table [key].Add ((ITaskItem) de.Value);
+                               }
+       
+                               foreach (string name in items_table.Keys) {
+                                       WriteLine (name);
+                                       indent ++;
+                                       foreach (ITaskItem item in items_table [name])
+                                               WriteLine (item.ItemSpec);
+                                       indent--;
+                               }
+                       }
+       
+                       string EventsAsString {
+                               get {
+                                       if (current_events_string == null)
+                                               current_events_string = EventsToString ();
+                                       return current_events_string;
+                               }
+                       }
+                       
+                       private bool IsMessageOk (BuildMessageEventArgs bsea)
+                       {
+                               if (bsea.Importance == MessageImportance.High && IsVerbosityGreaterOrEqual (LoggerVerbosity.Minimal)) {
+                                       return true;
+                               } else if (bsea.Importance == MessageImportance.Normal && IsVerbosityGreaterOrEqual (LoggerVerbosity.Normal)) {
+                                       return true;
+                               } else if (bsea.Importance == MessageImportance.Low && IsVerbosityGreaterOrEqual (LoggerVerbosity.Detailed)) {
+                                       return true;
+                               } else
+                                       return false;
+                       }
+       
+                       void DumpProperties (IEnumerable properties)
+                       {
+                               if (parent.config.NoItemAndPropertyList || !IsVerbosityGreaterOrEqual (LoggerVerbosity.Diagnostic))
+                                       return;
+       
+                               SetColor (eventColor);
+                               WriteLine (String.Empty);
+                               WriteLine ("Initial Properties:");
+                               ResetColor ();
+       
+                               if (properties == null)
+                                       return;
+       
+                               var dict = new SortedDictionary<string, string> ();
+                               foreach (DictionaryEntry de in properties)
+                                       dict [(string)de.Key] = (string)de.Value;
+       
+                               foreach (KeyValuePair<string, string> pair in dict)
+                                       WriteLine (String.Format ("{0} = {1}", pair.Key, pair.Value));
+                       }
+       
+                       private void WriteLine (string message)
+                       {
+                               if (indent > 0) {
+                                       StringBuilder sb = new StringBuilder ();
+                                       for (int i = 0; i < indent; i++)
+                                               sb.Append ('\t');
+       
+                                       string indent_str = sb.ToString ();
+       
+                                       foreach (string line in message.Split (new string[] {Environment.NewLine}, StringSplitOptions.RemoveEmptyEntries))
+                                               parent.writeHandler (indent_str + line);
+                               } else {
+                                       parent.writeHandler (message);
+                               }
+                       }
+       
+                       void ExecutePendingEventHandlers ()
+                       {
+                               foreach (var be in events)
+                                       be.ExecuteStartedHandler ();
+                       }
+       
+                       string EventsToString ()
+                       {
+                               StringBuilder sb = new StringBuilder ();
+       
+                               string last_imported_target_file = String.Empty;
+                               for (int i = 0; i < events.Count; i ++) {
+                                       var args = events [i].EventArgs;
+                                       ProjectStartedEventArgs pargs = args as ProjectStartedEventArgs;
+                                       if (pargs != null) {
+                                               sb.AppendFormat ("{0} ({1}) ->\n", pargs.ProjectFile,
+                                                               String.IsNullOrEmpty (pargs.TargetNames) ?
+                                                                       "default targets" :
+                                                                       pargs.TargetNames);
+                                               last_imported_target_file = String.Empty;
+                                               continue;
+                                       }
+       
+                                       TargetStartedEventArgs targs = args as TargetStartedEventArgs;
+                                       if (targs != null) {
+                                               if (targs.TargetFile != targs.ProjectFile && targs.TargetFile != last_imported_target_file)
+                                                       // target from an imported file,
+                                                       // and it hasn't been mentioned as yet
+                                                       sb.AppendFormat ("{0} ", targs.TargetFile);
+       
+                                               last_imported_target_file = targs.TargetFile;
+                                               sb.AppendFormat ("({0} target) ->\n", targs.TargetName);
+                                       }
+                               }
+       
+                               return sb.ToString ();
+                       }
+       
+                       void DumpPerformanceSummary ()
+                       {
+                               SetColor (eventColor);
+                               WriteLine ("Target perfomance summary:");
+                               ResetColor ();
+       
+                               foreach (var pi in targetPerfTable.OrderBy (pair => pair.Value.Time))
+                                       WriteLine (String.Format ("{0,10:0.000} ms  {1,-50}  {2,5} calls", pi.Value.Time.TotalMilliseconds, pi.Key, pi.Value.NumberOfCalls));
+       
+                               WriteLine (String.Empty);
+       
+                               SetColor (eventColor);
+                               WriteLine ("Tasks perfomance summary:");
+                               ResetColor ();
+       
+                               foreach (var pi in tasksPerfTable.OrderBy (pair => pair.Value.Time))
+                                       WriteLine (String.Format ("{0,10:0.000} ms  {1,-50}  {2,5} calls", pi.Value.Time.TotalMilliseconds, pi.Key, pi.Value.NumberOfCalls));
+       
+                               WriteLine (String.Empty);
+                       }
+                       
+                       private string FormatErrorEvent (BuildErrorEventArgs args)
+                       {
+                               // For some reason we get an 1-char empty string as Subcategory somtimes.
+                               string subprefix = args.Subcategory == null || args.Subcategory == "" || args.Subcategory == " " ? "" : " ";
+                               string subcat = subprefix == "" ? "" : args.Subcategory;
+                                       
+                               if (args.LineNumber != 0){
+                                       if (args.ColumnNumber != 0 && !InEmacs) 
+                                               return String.Format ("{0}({1},{2}): {3}{4}error {5}: {6}",
+                                                                     args.File, args.LineNumber, args.ColumnNumber,
+                                                                     subprefix, subcat, args.Code, args.Message);
+       
+                                       return String.Format ("{0}({1}): {2}{3}error {4}: {5}",
+                                                             args.File, args.LineNumber,
+                                                             subprefix, subcat, args.Code, args.Message);
+                               } else {
+                                       return String.Format ("{0}: {1}{2}error {3}: {4}", args.File, subprefix, subcat, args.Code,
+                                               args.Message);
+                               }
+                       }
+       
+                       static bool InEmacs = Environment.GetEnvironmentVariable ("EMACS") == "t";
+       
+                       private string FormatWarningEvent (BuildWarningEventArgs args)
+                       {
+                               // For some reason we get an 1-char empty string as Subcategory somtimes.
+                               string subprefix = args.Subcategory == null || args.Subcategory == "" || args.Subcategory == " " ? "" : " ";
+                               string subcat = subprefix == "" ? "" : args.Subcategory;
+       
+                               // FIXME: show more complicated args
+                               if (args.LineNumber != 0){
+       
+                                       if (args.ColumnNumber != 0 && !InEmacs) {
+                                               return String.Format ("{0}({1},{2}): {3}{4}warning {5}: {6}",
+                                                                     args.File, args.LineNumber, args.ColumnNumber,
+                                                                     subprefix, subcat, args.Code, args.Message);
+                                       }
+                                       return String.Format ("{0}({1}): {2}{3}warning {4}: {5}",
+                                                             args.File, args.LineNumber,
+                                                             subprefix, subcat, args.Code, args.Message);
+                               } else {
+                                       return String.Format ("{0}: {1} warning {2}: {3}", args.File, args.Subcategory, args.Code,
+                                               args.Message);
+                               }
+                       }
+       
+                       void SetColor (ConsoleColor color)
+                       {
+                               if (parent.use_colors)
+                                       parent.colorSet (color);
+                       }
+       
+                       void ResetColor ()
+                       {
+                               if (parent.use_colors)
+                                       parent.colorReset ();
+                       }
+                       
+                       private void WriteLineWithoutIndent (string message)
+                       {
+                               parent.writeHandler (message);
+                       }
+               }
        }
-}
 
-#endif
+       class BuildEvent {
+               public object Sender; 
+               public BuildStatusEventArgs EventArgs;
+               public bool StartHandlerHasExecuted;
+               public ConsoleLogger ConsoleLogger;
+
+               public void ExecuteStartedHandler ()
+               {
+                       if (StartHandlerHasExecuted)
+                               return;
+
+                       if (EventArgs is ProjectStartedEventArgs)
+                               ConsoleLogger.ProjectStartedHandler (Sender, (ProjectStartedEventArgs)EventArgs);
+                       else if (EventArgs is TargetStartedEventArgs)
+                               ConsoleLogger.TargetStartedHandler (Sender, (TargetStartedEventArgs)EventArgs);
+                       else if (EventArgs is TaskStartedEventArgs)
+                               ConsoleLogger.TaskStartedHandler (Sender, (TaskStartedEventArgs)EventArgs);
+                       else if (!(EventArgs is BuildStartedEventArgs))
+                               throw new InvalidOperationException ("Unexpected event on the stack, type: " + EventArgs.GetType ());
+
+                       StartHandlerHasExecuted = true;
+               }
+
+               public void ExecuteFinishedHandler (BuildStatusEventArgs finished_args)
+               {
+                       if (!StartHandlerHasExecuted)
+                               return;
+
+                       if (EventArgs is ProjectStartedEventArgs)
+                               ConsoleLogger.ProjectFinishedHandler (Sender, finished_args as ProjectFinishedEventArgs);
+                       else if (EventArgs is TargetStartedEventArgs)
+                               ConsoleLogger.TargetFinishedHandler (Sender, finished_args as TargetFinishedEventArgs);
+                       else if (EventArgs is TaskStartedEventArgs)
+                               ConsoleLogger.TaskFinishedHandler (Sender, finished_args as TaskFinishedEventArgs);
+                       else if (!(EventArgs is BuildStartedEventArgs))
+                               throw new InvalidOperationException ("Unexpected event on the stack, type: " + EventArgs.GetType ());
+               }
+       }
+
+       class PerfInfo {
+               public TimeSpan Time;
+               public int NumberOfCalls;
+       }
+}