/*
* @(#)NaryExpression.java 1.11 95/09/14 Arthur van Hoff
*
* Copyright (c) 1994 Sun Microsystems, Inc. All Rights Reserved.
*
* Permission to use, copy, modify, and distribute this software
* and its documentation for NON-COMMERCIAL purposes and without
* fee is hereby granted provided that this copyright notice
* appears in all copies. Please refer to the file "copyright.html"
* for further important copyright and licensing information.
*
* SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
* THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
* TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR
* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
*/
package sun.tools.tree;
import sun.tools.java.*;
import java.io.PrintStream;
public
class NaryExpression extends UnaryExpression {
Expression args[];
/**
* Constructor
*/
NaryExpression(int op, int where, Type type, Expression right, Expression args[]) {
super(op, where, type, right);
this.args = args;
}
/**
* Create a copy of the expression for method inlining
*/
public Expression copyInline(Context ctx) {
NaryExpression e = (NaryExpression)clone();
if (right != null) {
e.right = right.copyInline(ctx);
}
e.args = new Expression[args.length];
for (int i = 0 ; i < args.length ; i++) {
if (args[i] != null) {
e.args[i] = args[i].copyInline(ctx);
}
}
return e;
}
/**
* The cost of inlining this expression
*/
public int costInline(int thresh) {
int cost = 3 + ((right != null) ? right.costInline(thresh) : 0);
for (int i = 0 ; (i < args.length) && (cost < thresh) ; i++) {
if (args[i] != null) {
cost += args[i].costInline(thresh);
}
}
return cost;
}
/**
* Print
*/
public void print(PrintStream out) {
out.print("(" + opNames[op] + "#" + hashCode());
if (right != null) {
out.print(" ");
right.print(out);
}
for (int i = 0 ; i < args.length ; i++) {
out.print(" ");
if (args[i] != null) {
args[i].print(out);
} else {
out.print("<null>");
}
}
out.print(")");
}
}