CodeNew.cs 2.2 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.Reflection;
  26. using System.Reflection.Emit;
  27. namespace Mono.CodeGeneration
  28. {
  29. public class CodeNew: CodeExpression
  30. {
  31. object value;
  32. Type type;
  33. ConstructorInfo ctor;
  34. CodeExpression[] parameters;
  35. public CodeNew (Type type, params CodeExpression[] parameters)
  36. {
  37. this.type = type;
  38. Type[] ptypes = new Type [parameters.Length];
  39. for (int n=0; n<parameters.Length; n++)
  40. ptypes [n] = parameters[n].GetResultType ();
  41. ctor = type.GetConstructor (ptypes);
  42. if (ctor == null)
  43. throw new InvalidOperationException ("Constructor not found");
  44. this.parameters = parameters;
  45. }
  46. public override void Generate (ILGenerator gen)
  47. {
  48. foreach (CodeExpression exp in parameters)
  49. exp.Generate (gen);
  50. gen.Emit (OpCodes.Newobj, ctor);
  51. }
  52. public override void PrintCode (CodeWriter cp)
  53. {
  54. cp.Write ("new " + type.Name + " (");
  55. for (int n=0; n<parameters.Length; n++) {
  56. if (n > 0) cp.Write (", ");
  57. parameters[n].PrintCode (cp);
  58. }
  59. cp.Write (")");
  60. }
  61. public override Type GetResultType ()
  62. {
  63. return type;
  64. }
  65. }
  66. }
  67. #endif