/jEdit/tags/jedit-4-0-pre3/bsh/BSHLHSPrimaryExpression.java
Java | 82 lines | 26 code | 8 blank | 48 comment | 3 complexity | cb86a22d99308c281f5ae5f0d748b92e 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
- /*****************************************************************************
- * *
- * This file is part of the BeanShell Java Scripting distribution. *
- * Documentation and updates may be found at http://www.beanshell.org/ *
- * *
- * Sun Public License Notice: *
- * *
- * The contents of this file are subject to the Sun Public License Version *
- * 1.0 (the "License"); you may not use this file except in compliance with *
- * the License. A copy of the License is available at http://www.sun.com *
- * *
- * The Original Code is BeanShell. The Initial Developer of the Original *
- * Code is Pat Niemeyer. Portions created by Pat Niemeyer are Copyright *
- * (C) 2000. All Rights Reserved. *
- * *
- * GNU Public License Notice: *
- * *
- * Alternatively, the contents of this file may be used under the terms of *
- * the GNU Lesser General Public License (the "LGPL"), in which case the *
- * provisions of LGPL are applicable instead of those above. If you wish to *
- * allow use of your version of this file only under the terms of the LGPL *
- * and not to allow others to use your version of this file under the SPL, *
- * indicate your decision by deleting the provisions above and replace *
- * them with the notice and other provisions required by the LGPL. If you *
- * do not delete the provisions above, a recipient may use your version of *
- * this file under either the SPL or the LGPL. *
- * *
- * Patrick Niemeyer (pat@pat.net) *
- * Author of Learning Java, O'Reilly & Associates *
- * http://www.pat.net/~pat/ *
- * *
- *****************************************************************************/
- package bsh;
- class BSHLHSPrimaryExpression extends SimpleNode
- {
- BSHLHSPrimaryExpression(int id) { super(id); }
- public LHS toLHS(CallStack callstack, Interpreter interpreter)
- throws EvalError
- {
- /*
- Get the prefix, which may be either an ambiguous name or a
- method invocation.
- The method invocation bit here is somewhat of a hack to handle
- the fact that we have moved prefix method invocation into the
- PrimaryPrefix in order to get it to always produce an object type.
- This is too complicated.
- */
- int childNum = 0;
- SimpleNode prefixNode = (SimpleNode)jjtGetChild(childNum++);
- Object prefixValue = null;
- LHS lhs = null;
- if ( prefixNode instanceof BSHAmbiguousName ) {
- lhs = ((BSHAmbiguousName)prefixNode).toLHS( callstack, interpreter);
- //System.err.println("lhs is ambig name ("+prefixNode+")= "+lhs);
- } else
- // Currently the only case is for BSHMethodInvocation
- prefixValue =
- ((SimpleNode)prefixNode).eval( callstack, interpreter);
- // If the prefix is an object and not an LHS it requires at least
- // one suffix to make an LHS
- // Currently the only case is for BSHMethodInvocation
- if ( prefixValue != null )
- lhs = ((BSHLHSPrimarySuffix)jjtGetChild(childNum++)).doLHSSuffix(
- prefixValue, callstack, interpreter);
- // Apply the suffixes
- int numChildren = jjtGetNumChildren();
- while( childNum<numChildren )
- lhs = ((BSHLHSPrimarySuffix)jjtGetChild(childNum++)).doLHSSuffix(
- lhs.getValue(), callstack, interpreter);
- return lhs;
- }
- }