Experiments/Attic/Rook/Castle.Rook.Compiler/Services/Default/ErrorReport.cs

   1 // Copyright 2004-2008 Castle Project - http://www.castleproject.org/
   2 //
   3 // Licensed under the Apache License, Version 2.0 (the "License");
   4 // you may not use this file except in compliance with the License.
   5 // You may obtain a copy of the License at
   6 //
   7 //     http://www.apache.org/licenses/LICENSE-2.0
   8 //
   9 // Unless required by applicable law or agreed to in writing, software
  10 // distributed under the License is distributed on an "AS IS" BASIS,
  11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 // See the License for the specific language governing permissions and
  13 // limitations under the License.
  14
  15 namespace Castle.Rook.Compiler.Services.Default
  16 {
  17         using System;
  18         using System.IO;
  19
  20         /// <summary>
  21         /// Default Error Report outputs to Console
  22         /// </summary>
  23         public class ErrorReport : IErrorReport
  24         {
  25                 private int errorCount, warningCount;
  26                 private int enableLevel = 0;
  27
  28                 public ErrorReport()
  29                 {
  30                 }
  31
  32                 #region IErrorReport Members
  33
  34                 public void Enable()
  35                 {
  36                         enableLevel--;
  37                 }
  38
  39                 public void Disable()
  40                 {
  41                         enableLevel++;
  42                 }
  43
  44                 public void Error(String filename, LexicalPosition pos, String contents, params object[] args)
  45                 {
  46                         if (enableLevel > 0) return;
  47
  48                         errorCount++;
  49
  50                         if (pos.Column == 0)
  51                         {
  52                                 ErrorWriter.Write("{0}:{1}\terror:  ", filename, pos.Line);
  53                         }
  54                         else
  55                         {
  56                                 ErrorWriter.Write("{0}:{1},{2}\terror:  ", filename, pos.Line, pos.Column);
  57                         }
  58
  59                         ErrorWriter.WriteLine(contents, args);
  60                 }
  61
  62                 public void Error(String contents, params object[] args)
  63                 {
  64                         if (enableLevel > 0) return;
  65
  66                         errorCount++;
  67
  68                         ErrorWriter.Write("compiler error:  ");
  69                         ErrorWriter.WriteLine(contents, args);
  70                 }
  71
  72                 public void Warning(String filename, LexicalPosition pos, Severity severity, String contents, params object[] args)
  73                 {
  74                         if (enableLevel > 0) return;
  75
  76                         warningCount++;
  77
  78                         if (pos.Column == 0)
  79                         {
  80                                 OutWriter.Write("{0}:{1}\twarning:  ", filename, pos.Line);
  81                         }
  82                         else
  83                         {
  84                                 OutWriter.Write("{0}:{1},{2}\twarning:  ", filename, pos.Line, pos.Column);
  85                         }
  86
  87                         OutWriter.WriteLine(contents, args);
  88                 }
  89
  90                 public void Warning(String contents, params object[] args)
  91                 {
  92                         if (enableLevel > 0) return;
  93
  94                         warningCount++;
  95
  96                         OutWriter.Write("warning:  ");
  97                         OutWriter.WriteLine(contents, args);
  98                 }
  99
 100                 public bool HasErrors
 101                 {
 102                         get { return errorCount != 0; }
 103                 }
 104
 105                 public bool HasWarnings
 106                 {
 107                         get { return warningCount != 0; }
 108                 }
 109
 110                 #endregion
 111
 112                 protected virtual TextWriter OutWriter
 113                 {
 114                         get { return Console.Out; }
 115                 }
 116
 117                 protected virtual TextWriter ErrorWriter
 118                 {
 119                         get { return Console.Error; }
 120                 }
 121         }
 122 }