mcs/class/System.Core/System.Runtime.CompilerServices/ExecutionScope.cs

   1 //
   2 // ExecutionScope.cs
   3 //
   4 // Authors:
   5 //      Marek Safar  <marek.safar@gmail.com>
   6 //      Jb Evain  <jbevain@novell.com>
   7 //
   8 // Copyright (C) 2007 - 2008, Novell, Inc (http://www.novell.com)
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29
  30 using System;
  31 using System.Linq.Expressions;
  32
  33 namespace System.Runtime.CompilerServices {
  34
  35 #if MOONLIGHT
  36         [Obsolete ("do not use this type", true)]
  37 #endif
  38         public class ExecutionScope {
  39
  40                 public object [] Globals;
  41                 public object [] Locals;
  42                 public ExecutionScope Parent;
  43
  44 #if !MOONLIGHT
  45                 internal CompilationContext context;
  46 #endif
  47                 internal int compilation_unit;
  48
  49 #if !MOONLIGHT
  50                 ExecutionScope (CompilationContext context, int compilation_unit)
  51                 {
  52                         this.context = context;
  53                         this.compilation_unit = compilation_unit;
  54                         this.Globals = context.GetGlobals ();
  55                 }
  56
  57                 internal ExecutionScope (CompilationContext context)
  58                         : this (context, 0)
  59                 {
  60                 }
  61
  62                 internal ExecutionScope (CompilationContext context, int compilation_unit, ExecutionScope parent, object [] locals)
  63                         : this (context, compilation_unit)
  64                 {
  65                         this.Parent = parent;
  66                         this.Locals = locals;
  67                 }
  68 #endif
  69                 public Delegate CreateDelegate (int indexLambda, object [] locals)
  70                 {
  71 #if MOONLIGHT
  72                         throw new NotSupportedException ();
  73 #else
  74                         return context.CreateDelegate (
  75                                 indexLambda,
  76                                 new ExecutionScope (context, indexLambda, this, locals));
  77 #endif
  78                 }
  79
  80                 public object [] CreateHoistedLocals ()
  81                 {
  82 #if MOONLIGHT
  83                         throw new NotSupportedException ();
  84 #else
  85                         return context.CreateHoistedLocals (compilation_unit);
  86 #endif
  87                 }
  88
  89                 public Expression IsolateExpression (Expression expression, object [] locals)
  90                 {
  91 #if MOONLIGHT
  92                         throw new NotSupportedException ();
  93 #else
  94                         return context.IsolateExpression (this, locals, expression);
  95 #endif
  96                 }
  97         }
  98 }