01: /*****************************************************************************
02: * *
03: * This file is part of the BeanShell Java Scripting distribution. *
04: * Documentation and updates may be found at http://www.beanshell.org/ *
05: * *
06: * Sun Public License Notice: *
07: * *
08: * The contents of this file are subject to the Sun Public License Version *
09: * 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: *****************************************************************************/package bsh;
33:
34: class BSHAmbiguousName extends SimpleNode {
35: public String text;
36:
37: BSHAmbiguousName(int id) {
38: super (id);
39: }
40:
41: public Name getName(NameSpace namespace) {
42: return namespace.getNameResolver(text);
43: }
44:
45: public Object toObject(CallStack callstack, Interpreter interpreter)
46: throws EvalError {
47: return toObject(callstack, interpreter, false);
48: }
49:
50: Object toObject(CallStack callstack, Interpreter interpreter,
51: boolean forceClass) throws EvalError {
52: try {
53: return getName(callstack.top()).toObject(callstack,
54: interpreter, forceClass);
55: } catch (UtilEvalError e) {
56: //e.printStackTrace();
57: throw e.toEvalError(this , callstack);
58: }
59: }
60:
61: public Class toClass(CallStack callstack, Interpreter interpreter)
62: throws EvalError {
63: try {
64: return getName(callstack.top()).toClass();
65: } catch (ClassNotFoundException e) {
66: throw new EvalError(e.getMessage(), this , callstack);
67: } catch (UtilEvalError e2) {
68: // ClassPathException is a type of UtilEvalError
69: throw e2.toEvalError(this , callstack);
70: }
71: }
72:
73: public LHS toLHS(CallStack callstack, Interpreter interpreter)
74: throws EvalError {
75: try {
76: return getName(callstack.top()).toLHS(callstack,
77: interpreter);
78: } catch (UtilEvalError e) {
79: throw e.toEvalError(this , callstack);
80: }
81: }
82:
83: /*
84: The interpretation of an ambiguous name is context sensitive.
85: We disallow a generic eval( ).
86: */
87: public Object eval(CallStack callstack, Interpreter interpreter)
88: throws EvalError {
89: throw new InterpreterError(
90: "Don't know how to eval an ambiguous name!"
91: + " Use toObject() if you want an object.");
92: }
93:
94: public String toString() {
95: return "AmbigousName: " + text;
96: }
97: }
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