CodeNewArray.cs 1.9 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. using System;
  24. using System.Reflection;
  25. using System.Reflection.Emit;
  26. namespace Mono.CodeGeneration
  27. {
  28. public class CodeNewArray: CodeExpression
  29. {
  30. Type elemType;
  31. CodeExpression size;
  32. public CodeNewArray (Type type, CodeExpression size)
  33. {
  34. this.elemType = type;
  35. this.size = size;
  36. if (size.GetResultType () != typeof(int))
  37. throw new InvalidOperationException ("Array size must be an Int32");
  38. }
  39. public override void Generate (ILGenerator gen)
  40. {
  41. size.Generate (gen);
  42. gen.Emit (OpCodes.Newarr, elemType);
  43. }
  44. public override void PrintCode (CodeWriter cp)
  45. {
  46. cp.Write ("new " + elemType.Name + " [");
  47. size.PrintCode (cp);
  48. cp.Write ("]");
  49. }
  50. public override Type GetResultType ()
  51. {
  52. return Type.GetType (elemType.FullName + "[]");
  53. }
  54. }
  55. }