mcs/mcs/genericparser.cs

   1 //
   2 // GenericParser.cs: The Base Parser for the Mono compilers
   3 //
   4 // Author: A Rafael D Teixeira (rafaelteixeirabr@hotmail.com)
   5 //
   6 // Licensed under the terms of the GNU GPL
   7 //
   8 // Copyright (C) 2001 A Rafael D Teixeira
   9 //
  10 using System;
  11 using System.Text;
  12
  13 namespace Mono.Languages
  14 {
  15         using System.Collections;
  16
  17         /// <summary>
  18         /// Base class to support multiple Jay generated parsers
  19         /// </summary>
  20         public abstract class GenericParser
  21         {
  22                 static protected int global_errors;
  23
  24                 // Name of the file we are parsing
  25                 public string name;
  26
  27                 // Input stream to parse from.
  28                 public System.IO.Stream input;
  29
  30                 public abstract int parse ();
  31
  32                 public virtual string[] extensions()
  33                 {
  34                         string [] list = { ".cs" };
  35                         return list;
  36                 }
  37
  38                 /// <summary>
  39                 /// Emits error messages and increments a global count of them
  40                 /// </summary>
  41                 /// <param name="code"></param>
  42                 /// <param name="desc"></param>
  43                 static public void error (int code, string desc)
  44                 {
  45                         Console.WriteLine ("Error "+code+": "+ desc);
  46                         global_errors++;
  47                 }
  48
  49                 public GenericParser()
  50                 {
  51                         //
  52                         // DO NOTHING: Derived classes should do their iniatilization here duties
  53                         //
  54                 }
  55
  56                 protected bool yacc_verbose_flag = false;
  57
  58                 public bool yacc_verbose
  59                 {
  60                         set
  61                         {
  62                                 yacc_verbose_flag = value;
  63                         }
  64
  65                         get
  66                         {
  67                                 return yacc_verbose_flag;
  68                         }
  69                 }
  70         }
  71 }
  72
  73
  74