src/Boo.Lang.Compiler/Steps/PrintErrors.cs

   1 #region license
   2 // Copyright (c) 2003, 2004, 2005 Rodrigo B. de Oliveira (rbo@acm.org)
   3 // All rights reserved.
   4 //
   5 // Redistribution and use in source and binary forms, with or without modification,
   6 // are permitted provided that the following conditions are met:
   7 //
   8 //     * Redistributions of source code must retain the above copyright notice,
   9 //     this list of conditions and the following disclaimer.
  10 //     * Redistributions in binary form must reproduce the above copyright notice,
  11 //     this list of conditions and the following disclaimer in the documentation
  12 //     and/or other materials provided with the distribution.
  13 //     * Neither the name of Rodrigo B. de Oliveira nor the names of its
  14 //     contributors may be used to endorse or promote products derived from this
  15 //     software without specific prior written permission.
  16 //
  17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  18 // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  20 // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
  21 // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  23 // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  24 // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  25 // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26 // THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27 #endregion
  28
  29
  30 using System.Collections;
  31 using System.Text;
  32
  33 #region license
  34 // Copyright (c) 2004, Rodrigo B. de Oliveira (rbo@acm.org)
  35 // All rights reserved.
  36 //
  37 // Redistribution and use in source and binary forms, with or without modification,
  38 // are permitted provided that the following conditions are met:
  39 //
  40 //     * Redistributions of source code must retain the above copyright notice,
  41 //     this list of conditions and the following disclaimer.
  42 //     * Redistributions in binary form must reproduce the above copyright notice,
  43 //     this list of conditions and the following disclaimer in the documentation
  44 //     and/or other materials provided with the distribution.
  45 //     * Neither the name of Rodrigo B. de Oliveira nor the names of its
  46 //     contributors may be used to endorse or promote products derived from this
  47 //     software without specific prior written permission.
  48 //
  49 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  50 // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  51 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  52 // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
  53 // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  54 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  55 // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  56 // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  57 // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  58 // THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  59 #endregion
  60
  61 namespace Boo.Lang.Compiler.Steps
  62 {
  63         using System.IO;
  64         using Boo.Lang.Compiler;
  65
  66         public class PrintErrors : AbstractCompilerComponent, ICompilerStep
  67         {
  68                 public void Run()
  69                 {
  70                         Print(OutputWriter, Errors);
  71                 }
  72
  73                 public static void Print(TextWriter writer, CompilerErrorCollection errors)
  74                 {
  75                         Hashtable reported = new Hashtable();
  76                         StringBuilder buffer = new StringBuilder();
  77                         foreach (CompilerError error in errors)
  78                         {
  79                                 buffer.Length = 0;
  80                                 buffer.Append(Path.GetFileName(error.LexicalInfo.FileName));
  81                                 buffer.AppendFormat("({0},{1}): ", error.LexicalInfo.Line, error.LexicalInfo.Column);
  82                                 buffer.AppendFormat("{0}: ", error.Code);
  83                                 buffer.Append(error.Message);
  84
  85                                 string message = buffer.ToString();
  86                                 if (reported.ContainsKey(message)) continue;
  87
  88                                 reported.Add(message, message);
  89                                 writer.WriteLine(message);
  90                         }
  91                 }
  92         }
  93 }