/**
* Copyright (c) 2005-2017, KoLmafia development team
* http://kolmafia.sourceforge.net/
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* [1] Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* [2] Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* [3] Neither the name "KoLmafia" nor the names of its contributors may
* be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION ) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE ) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package net.sourceforge.kolmafia.textui.parsetree;
import java.io.PrintStream;
import java.util.List;
import net.sourceforge.kolmafia.textui.Interpreter;
public class VariableReference
extends Value
{
public Variable target;
public VariableReference( final Variable target )
{
this.target = target;
}
public VariableReference( final String varName, final BasicScope scope )
{
this.target = scope.findVariable( varName, true );
}
public boolean valid()
{
return this.target != null;
}
@Override
public Type getType()
{
return this.target.getBaseType();
}
public String getName()
{
return this.target.getName();
}
public List<Value> getIndices()
{
return null;
}
@Override
public int compareTo( final Value o )
{
return this.target.getName().compareTo( ( (VariableReference) o ).target.getName() );
}
@Override
public Value execute( final Interpreter interpreter )
{
return this.target.getValue( interpreter );
}
public Value getValue( Interpreter interpreter )
{
return this.target.getValue( interpreter );
}
public void forceValue( final Value targetValue )
{
this.target.forceValue( targetValue );
}
public Value setValue( final Interpreter interpreter, final Value targetValue )
{
return this.setValue( interpreter, targetValue, null );
}
public Value setValue( Interpreter interpreter, final Value targetValue, final Operator oper )
{
Value newValue = targetValue;
if ( oper != null )
{
Value currentValue = this.target.getValue( interpreter );
newValue = oper.applyTo( interpreter, currentValue, targetValue );
}
if ( newValue != null )
{
this.target.setValue( interpreter, newValue );
}
return newValue;
}
@Override
public String toString()
{
return this.target.getName();
}
@Override
public void print( final PrintStream stream, final int indent )
{
Interpreter.indentLine( stream, indent );
stream.println( "<VARREF> " + this.getName() );
}
}