Filters/FilterLisp.cs

   1 //
   2 // FilterLisp.cs
   3 //
   4 // Copyright (C) 2005 Novell, Inc.
   5 //
   6 // Author: Wojciech Polak <wojciechpolak at gmail.com>
   7
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining a
  10 // copy of this software and associated documentation files (the "Software"),
  11 // to deal in the Software without restriction, including without limitation
  12 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
  13 // and/or sell copies of the Software, and to permit persons to whom the
  14 // Software is furnished to do so, subject to the following conditions:
  15 //
  16 // The above copyright notice and this permission notice shall be included in
  17 // all copies or substantial portions of the Software.
  18 //
  19 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  20 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  22 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  23 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  24 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  25 // DEALINGS IN THE SOFTWARE.
  26 //
  27
  28 using System;
  29 using System.Collections;
  30 using System.IO;
  31 using System.Text;
  32
  33 using Beagle.Daemon;
  34
  35 namespace Beagle.Filters {
  36
  37         public class FilterScheme : FilterSource {
  38
  39                 static string [] strKeyWords = {"and", "begin", "case", "cond", "define",
  40                                                 "delay", "do", "else", "if", "lambda",
  41                                                 "let", "let*", "letrec", "or", "quasiquote",
  42                                                 "quote", "set!", "unquote", "unquote-splicing"};
  43
  44                 static string [] strCommonProcedures = {"abs", "append", "apply", "assoc", "assq",
  45                                                         "assv", "caar", "cadr", "car", "cdr",
  46                                                         "ceiling", "cons", "denominator", "display",
  47                                                         "eval", "exp", "expt", "floor",  "gcd", "lcm",
  48                                                         "length", "list-ref", "list-tail", "log",
  49                                                         "map", "max", "member", "memq", "memv", "min",
  50                                                         "modulo", "newline", "not", "numerator",
  51                                                         "quotient", "rationalize", "read", "remainder",
  52                                                         "reverse", "round", "sqrt", "string", "truncate",
  53                                                         "vector", "write"};
  54
  55                 public FilterScheme ()
  56                 {
  57                         AddSupportedFlavor (FilterFlavor.NewFromMimeType ("text/x-scheme"));
  58                 }
  59
  60                 override protected void DoOpen (FileInfo info)
  61                 {
  62                         foreach (string keyword in strKeyWords)
  63                                 KeyWordsHash [keyword] = true;
  64
  65                         foreach (string keyword in strCommonProcedures)
  66                                 KeyWordsHash [keyword] = true;
  67
  68                         SrcLangType = LangType.Lisp_Style;
  69                 }
  70
  71                 override protected void DoPull ()
  72                 {
  73                         string str = TextReader.ReadLine ();
  74                         if (str == null)
  75                                 Finished ();
  76                         else
  77                                 ExtractTokens (str);
  78                 }
  79         }
  80
  81         // TO DO: Add Emacs Lisp (FilterEmacsLisp), Common Lisp (FilterCommonLisp).
  82 }