/*
* Copyright (c) 1994, 2003, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package sun.tools.tree;
import sun.tools.java.*;
import java.io.PrintStream;
/**
* WARNING: The contents of this source file are not part of any
* supported API. Code that depends on them does so at its own risk:
* they are subject to change or removal without notice.
*/
public
class NaryExpression extends UnaryExpression {
Expression args[];
/**
* Constructor
*/
NaryExpression(int op, long 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, Environment env, Context ctx) {
int cost = 3;
if (right != null)
cost += right.costInline(thresh, env, ctx);
for (int i = 0 ; (i < args.length) && (cost < thresh) ; i++) {
if (args[i] != null) {
cost += args[i].costInline(thresh, env, ctx);
}
}
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(")");
}
}