| /* |
| * 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(")"); |
| } |
| } |