mcs/ilasm/codegen/TryBlock.cs

   1 //
   2 // Mono.ILASM.TryBlock
   3 //
   4 // Author(s):
   5 //  Jackson Harper (Jackson@LatitudeGeo.com)
   6 //
   7 // (C) 2003 Jackson Harper, All rights reserved
   8 //
   9
  10
  11 using System;
  12 using System.Collections;
  13
  14 namespace Mono.ILASM {
  15
  16         public class TryBlock : IInstr {
  17
  18                 private HandlerBlock block;
  19                 private ArrayList clause_list;
  20
  21                 public TryBlock (HandlerBlock block, Location loc)
  22                         : base (loc)
  23                 {
  24                         this.block = block;
  25                         clause_list = new ArrayList ();
  26                 }
  27
  28                 public void AddSehClause (ISehClause clause)
  29                 {
  30                         clause_list.Add (clause);
  31                 }
  32
  33                 public override void Emit (CodeGen code_gen, MethodDef meth,
  34                                            PEAPI.CILInstructions cil)
  35                 {
  36                         PEAPI.CILLabel from = block.GetFromLabel (code_gen, meth);
  37                         PEAPI.CILLabel to = block.GetToLabel (code_gen, meth);
  38                         PEAPI.TryBlock try_block = new PEAPI.TryBlock (from, to);
  39
  40                         foreach (ISehClause clause in clause_list)
  41                                 try_block.AddHandler (clause.Resolve (code_gen, meth));
  42
  43                         cil.AddTryBlock (try_block);
  44                 }
  45
  46         }
  47
  48 }
  49