/*****************************************************************************
* *
* 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 org.gjt.sp.jedit.bsh;
class BSHTypedVariableDeclaration extends SimpleNode
{
public Modifiers modifiers;
BSHTypedVariableDeclaration(int id) { super(id); }
private BSHType getTypeNode() {
return ((BSHType)jjtGetChild(0));
}
Class evalType( CallStack callstack, Interpreter interpreter )
throws EvalError
{
BSHType typeNode = getTypeNode();
return typeNode.getType( callstack, interpreter );
}
BSHVariableDeclarator [] getDeclarators()
{
int n = jjtGetNumChildren();
int start=1;
BSHVariableDeclarator [] bvda = new BSHVariableDeclarator[ n-start ];
for (int i = start; i < n; i++)
{
bvda[i-start] = (BSHVariableDeclarator)jjtGetChild(i);
}
return bvda;
}
/**
evaluate the type and one or more variable declarators, e.g.:
int a, b=5, c;
*/
public Object eval( CallStack callstack, Interpreter interpreter)
throws EvalError
{
try {
NameSpace namespace = callstack.top();
BSHType typeNode = getTypeNode();
Class type = typeNode.getType( callstack, interpreter );
BSHVariableDeclarator [] bvda = getDeclarators();
for (int i = 0; i < bvda.length; i++)
{
BSHVariableDeclarator dec = bvda[i];
// Type node is passed down the chain for array initializers
// which need it under some circumstances
Object value = dec.eval( typeNode, callstack, interpreter);
try {
namespace.setTypedVariable(
dec.name, type, value, modifiers );
} catch ( UtilEvalError e ) {
throw e.toEvalError( this, callstack );
}
}
} catch ( EvalError e ) {
e.reThrow( "Typed variable declaration" );
}
return Primitive.VOID;
}
public String getTypeDescriptor(
CallStack callstack, Interpreter interpreter, String defaultPackage )
{
return getTypeNode().getTypeDescriptor(
callstack, interpreter, defaultPackage );
}
}