mcs/tools/misc/sample_cast_const.cs

   1 using System;
   2
   3 class X {
   4         static void w (string s)
   5         {
   6                 Console.WriteLine ("\t" + s);
   7         }
   8
   9         static void Main ()
  10         {
  11                 object [,] names =
  12                         { { "Byte", "byte" },
  13                           { "SByte", "sbyte" },
  14                           { "Short", "short" },
  15                           { "UShort", "ushort" },
  16                           { "Int", "int32" },
  17                           { "UInt", "uint32" },
  18                           { "Long", "int64" },
  19                           { "ULong", "uint64" },
  20                           { "Float", "float" },
  21                           { "Double", "double" },
  22                           { null, null }
  23                         };
  24
  25                 for (int i = 0; names [i,0] != null; i++){
  26                         string big = names [i, 0] + "Constant";
  27                         string small = "TypeManager." + names [i, 1] + "_type";
  28                         string nat = ((string) names [i,0]).ToLower ();
  29
  30                         w ("\t\tif (expr is " + big + "){");
  31                         w ("\t\t\t" + nat + " v = ((" + big + ") expr).Value;");
  32                         w ("");
  33
  34                         for (int j = 0; names [j,0] != null; j++){
  35                                 string b = names [j, 0] + "Constant";
  36                                 string s = "TypeManager." + names [j, 1] + "_type";
  37                                 string n = ((string) names [j,0]).ToLower ();
  38
  39                                 if (i == j)
  40                                         continue;
  41
  42                                 w ("\t\t\tif (target_type == " + s + ")");
  43                                 w ("\t\t\t\treturn new " + b + " ((" + n + ") v);");
  44                         }
  45                         w ("\t\t}");
  46                 }
  47         }
  48 }
  49