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/*****************************************************************************
* *
* This file is part of the BeanShell Java Scripting distribution. *
* Documentation and updates may be found at http://www.beanshell.org/ *
* *
* BeanShell is distributed under the terms of the LGPL: *
* GNU Library Public License http://www.gnu.org/copyleft/lgpl.html *
* *
* Patrick Niemeyer (pat@pat.net) *
* Author of Exploring Java, O'Reilly & Associates *
* http://www.pat.net/~pat/ *
* *
*****************************************************************************/
package bsh;
class BSHPrimaryExpression extends SimpleNode
{
BSHPrimaryExpression(int id) { super(id); }
/*
Should contain a prefix expression and any number of suffixes.
We don't eval( ) any nodes until the suffixes have had an
opportunity to work through them. This let's the suffixes decide
how to interpret an ambiguous name (e.g. for the .class operation).
*/
public Object eval(NameSpace namespace, Interpreter interpreter) throws EvalError
{
Object obj = jjtGetChild(0);
int n = jjtGetNumChildren();
for(int i=1; i<n; i++)
obj = ((BSHPrimarySuffix)jjtGetChild(i)).doSuffix(obj, namespace, interpreter);
/*
eval(namespace, interpreter) the node to an object
Note: This construct is now necessary where the node may be
an ambiguous name. If this becomes common we might want to
make a static method nodeToObject() or something.
*/
if ( obj instanceof SimpleNode )
if ( obj instanceof BSHAmbiguousName )
obj = ((BSHAmbiguousName)obj).toObject(namespace, interpreter);
else
obj = ((SimpleNode)obj).eval(namespace, interpreter);
return obj;
}
}
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