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/jEdit/tags/jedit-4-0-pre3/bsh/BSHMethodInvocation.java

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Java | 83 lines | 33 code | 9 blank | 41 comment | 2 complexity | 3b7ccd57004c0926dd43e861ea13b6cd MD5 | raw file
Possible License(s): BSD-3-Clause, AGPL-1.0, Apache-2.0, LGPL-2.0, LGPL-3.0, GPL-2.0, CC-BY-SA-3.0, LGPL-2.1, GPL-3.0, MPL-2.0-no-copyleft-exception, IPL-1.0
  1. /*****************************************************************************
  2. * *
  3. * This file is part of the BeanShell Java Scripting distribution. *
  4. * Documentation and updates may be found at http://www.beanshell.org/ *
  5. * *
  6. * Sun Public License Notice: *
  7. * *
  8. * The contents of this file are subject to the Sun Public License Version *
  9. * 1.0 (the "License"); you may not use this file except in compliance with *
  10. * the License. A copy of the License is available at http://www.sun.com *
  11. * *
  12. * The Original Code is BeanShell. The Initial Developer of the Original *
  13. * Code is Pat Niemeyer. Portions created by Pat Niemeyer are Copyright *
  14. * (C) 2000. All Rights Reserved. *
  15. * *
  16. * GNU Public License Notice: *
  17. * *
  18. * Alternatively, the contents of this file may be used under the terms of *
  19. * the GNU Lesser General Public License (the "LGPL"), in which case the *
  20. * provisions of LGPL are applicable instead of those above. If you wish to *
  21. * allow use of your version of this file only under the terms of the LGPL *
  22. * and not to allow others to use your version of this file under the SPL, *
  23. * indicate your decision by deleting the provisions above and replace *
  24. * them with the notice and other provisions required by the LGPL. If you *
  25. * do not delete the provisions above, a recipient may use your version of *
  26. * this file under either the SPL or the LGPL. *
  27. * *
  28. * Patrick Niemeyer (pat@pat.net) *
  29. * Author of Learning Java, O'Reilly & Associates *
  30. * http://www.pat.net/~pat/ *
  31. * *
  32. *****************************************************************************/
  33. package bsh;
  34. class BSHMethodInvocation extends SimpleNode
  35. {
  36. BSHMethodInvocation (int id) { super(id); }
  37. /**
  38. Evaluate the method invocation with the specified callstack and
  39. interpreter
  40. */
  41. public Object eval( CallStack callstack, Interpreter interpreter)
  42. throws EvalError
  43. {
  44. NameSpace namespace = callstack.top();
  45. Name name = ((BSHAmbiguousName)jjtGetChild(0)).getName(namespace);
  46. Object[] args =
  47. ((BSHArguments)jjtGetChild(1)).getArguments(callstack, interpreter);
  48. try {
  49. return name.invokeMethod(interpreter, args, callstack, this);
  50. } catch (ReflectError e) {
  51. throw new EvalError(
  52. "Error in method invocation: " + e.getMessage(), this);
  53. } catch (java.lang.reflect.InvocationTargetException e)
  54. {
  55. String msg = "Method Invocation "+name;
  56. Throwable te = e.getTargetException();
  57. /*
  58. Try to squeltch the native code stack trace if the exception
  59. was caused by a reflective call back into the bsh interpreter
  60. (e.g. eval() or source()
  61. */
  62. boolean isNative = true;
  63. if ( te instanceof EvalError )
  64. if ( te instanceof TargetError )
  65. isNative = ((TargetError)te).inNativeCode();
  66. else
  67. isNative = false;
  68. throw new TargetError( msg, te, this, isNative );
  69. } catch ( EvalError ee ) {
  70. ee.reThrow( this );
  71. throw new Error("should be unreachable...");
  72. }
  73. }
  74. }