/*
* This file is part of the Haven & Hearth game client.
* Copyright (C) 2009 Fredrik Tolf <fredrik@dolda2000.com>, and
* Björn Johannessen <johannessen.bjorn@gmail.com>
*
* Redistribution and/or modification of this file is subject to the
* terms of the GNU Lesser General Public License, version 3, as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* Other parts of this source tree adhere to other copying
* rights. Please see the file `COPYING' in the root directory of the
* source tree for details.
*
* A copy the GNU Lesser General Public License is distributed along
* with the source tree of which this file is a part in the file
* `doc/LPGL-3'. If it is missing for any reason, please see the Free
* Software Foundation's website at <http://www.fsf.org/>, or write
* to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA
*/
package haven.glsl;
import java.util.*;
public abstract class LPreOp extends Expression {
public final LValue op;
public LPreOp(LValue op) {
this.op = op;
}
public LPreOp process(Context ctx) {
try {
return(this.getClass().getConstructor(LValue.class).newInstance(op.process(ctx)));
} catch(NoSuchMethodException e) {
throw(new Error(e));
} catch(InstantiationException e) {
throw(new Error(e));
} catch(IllegalAccessException e) {
throw(new Error(e));
} catch(java.lang.reflect.InvocationTargetException e) {
throw(new Error(e));
}
}
public abstract String form();
public void output(Output out) {
out.write("(");
out.write(form());
op.output(out);
out.write(")");
}
public static class Inc extends LPreOp {public String form() {return("++");} public Inc(LValue op) {super(op);}}
public static class Dec extends LPreOp {public String form() {return("--");} public Dec(LValue op) {super(op);}}
}