mcs/mcs/gen-il.cs

   1 // gen-il.cs: Generates MSIL code from the CIR.Tree
   2 //
   3 // Author: Miguel de Icaza (miguel@ximian.com)
   4 //
   5 // Licensed under the terms of the GNU GPL
   6 //
   7 // (C) 2001 Ximian, Inc. (http://www.ximian.com)
   8 //
   9
  10 using System;
  11 using System.IO;
  12 using System.Collections;
  13 using CIR;
  14
  15 namespace MSIL {
  16
  17         public class Generator : CIR.ITreeDump {
  18                 StreamWriter o;
  19                 int indent = 0;
  20
  21                 void output (string s)
  22                 {
  23                         Console.Write (s);
  24                         o.Write (s);
  25                 }
  26
  27                 void space ()
  28                 {
  29                         output (new String (' ', indent * 2));
  30                 }
  31
  32                 void ioutput (string s)
  33                 {
  34                         space ();
  35                         output (s);
  36                 }
  37
  38                 void ioutputl (string s)
  39                 {
  40                         ioutput (s + "\n");
  41                 }
  42
  43                 string ClassAttributes (Class c)
  44                 {
  45                         // FIXME
  46                         return "";
  47                 }
  48
  49                 string ILName (string name)
  50                 {
  51                         return name;
  52                 }
  53
  54                 string ClassExtends (Class c)
  55                 {
  56                         return "";
  57                 }
  58
  59                 void GenerateFromClass (Class c)
  60                 {
  61                         ioutputl (".class " + ClassAttributes (c) + " " + ILName (c.Name));
  62                         ioutputl (ClassExtends (c));
  63                         ioutputl ("{");
  64                         indent++;
  65
  66
  67
  68                         indent--;
  69                         ioutputl ("}");
  70                 }
  71
  72                 void GenerateFromTypes (TypeContainer types)
  73                 {
  74                         if (types.Types == null)
  75                                 return;
  76
  77                         foreach (DictionaryEntry de in types.Types){
  78                                 TypeContainer type = (TypeContainer) de.Value;
  79
  80                                 if (type is Class)
  81                                         GenerateFromClass ((Class) type);
  82                         }
  83
  84                 }
  85
  86                 public int GenerateFromTree (Tree tree, StreamWriter os)
  87                 {
  88                         this.o = os;
  89
  90                         ioutputl (".assembly test.exe { }");
  91                         GenerateFromTypes (tree.Types);
  92                         return 0;
  93                 }
  94
  95                 public void ParseOptions (string options)
  96                 {
  97                 }
  98
  99         }
 100 }