CodeBlock.cs 2.3 KB

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  1. //
  2. // Permission is hereby granted, free of charge, to any person obtaining
  3. // a copy of this software and associated documentation files (the
  4. // "Software"), to deal in the Software without restriction, including
  5. // without limitation the rights to use, copy, modify, merge, publish,
  6. // distribute, sublicense, and/or sell copies of the Software, and to
  7. // permit persons to whom the Software is furnished to do so, subject to
  8. // the following conditions:
  9. //
  10. // The above copyright notice and this permission notice shall be
  11. // included in all copies or substantial portions of the Software.
  12. //
  13. // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  14. // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  15. // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  16. // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  17. // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  18. // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  19. // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  20. //
  21. // Copyright (C) Lluis Sanchez Gual, 2004
  22. //
  23. #if !FULL_AOT_RUNTIME
  24. using System;
  25. using System.Collections;
  26. using System.Reflection;
  27. using System.Reflection.Emit;
  28. namespace Mono.CodeGeneration
  29. {
  30. public class CodeBlock: CodeItem
  31. {
  32. ArrayList statements = new ArrayList ();
  33. public void Add (CodeItem code)
  34. {
  35. statements.Add (code);
  36. }
  37. public bool IsEmpty
  38. {
  39. get { return statements.Count == 0; }
  40. }
  41. public static CodeBlock operator+(CodeBlock cb, CodeExpression e)
  42. {
  43. cb.Add (e);
  44. return cb;
  45. }
  46. public CodeItem GetLastItem ()
  47. {
  48. return (CodeItem) statements [statements.Count - 1];
  49. }
  50. public override void Generate (ILGenerator gen)
  51. {
  52. foreach (CodeItem item in statements) {
  53. if (item is CodeExpression)
  54. ((CodeExpression)item).GenerateAsStatement (gen);
  55. else
  56. item.Generate (gen);
  57. }
  58. }
  59. public override void PrintCode (CodeWriter cp)
  60. {
  61. foreach (CodeItem item in statements) {
  62. cp.BeginLine ();
  63. item.PrintCode (cp);
  64. cp.Write (";");
  65. cp.EndLine ();
  66. }
  67. }
  68. }
  69. internal class CodePop: CodeStatement
  70. {
  71. public override void Generate (ILGenerator gen)
  72. {
  73. gen.Emit (OpCodes.Pop);
  74. }
  75. public override void PrintCode (CodeWriter cp)
  76. {
  77. }
  78. }
  79. }
  80. #endif