You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
57 lines
1.6 KiB
57 lines
1.6 KiB
/*
|
|
* NopOperator (c) 1998 Jochen Hoenicke
|
|
*
|
|
* You may distribute under the terms of the GNU General Public License.
|
|
*
|
|
* IN NO EVENT SHALL JOCHEN HOENICKE BE LIABLE TO ANY PARTY FOR DIRECT,
|
|
* INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF
|
|
* THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF JOCHEN HOENICKE
|
|
* HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* JOCHEN HOENICKE SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
|
|
* PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS"
|
|
* BASIS, AND JOCHEN HOENICKE HAS NO OBLIGATION TO PROVIDE MAINTENANCE,
|
|
* SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
|
|
*
|
|
* $Id$
|
|
*/
|
|
|
|
package jode.expr;
|
|
import jode.Type;
|
|
|
|
/**
|
|
* A NopOperator takes one or zero arguments and returns it again. It
|
|
* is mainly used as placeholder when the real operator is not yet
|
|
* known (e.g. in SwitchBlock). But there also exists a nop opcode in
|
|
* the java virtual machine (The compiler can't create such a opcode,
|
|
* though).
|
|
*
|
|
* @author Jochen Hoenicke */
|
|
public class NopOperator extends SimpleOperator {
|
|
public NopOperator(Type type) {
|
|
super(type, 0, 1);
|
|
}
|
|
|
|
public NopOperator() {
|
|
super(Type.tVoid, 0, 0);
|
|
}
|
|
|
|
public int getPriority() {
|
|
return 0;
|
|
}
|
|
|
|
public int getOperandPriority(int i) {
|
|
return 0;
|
|
}
|
|
|
|
public boolean equals(Object o) {
|
|
return (o instanceof NopOperator);
|
|
}
|
|
|
|
public String toString(String[] operands) {
|
|
if (type == Type.tVoid)
|
|
return "/* nop */";
|
|
return operands[0];
|
|
}
|
|
}
|
|
|