Showing the changes to java/pkg/sun/tools/tree/NaryExpression.java (1 of 18352 files). Show all
Unified · Split
| @@ -0,0 +1,99 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (c) 1994, 2003, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package sun.tools.tree; | ||
| 27 | |||
| 28 | import sun.tools.java.*; | ||
| 29 | import java.io.PrintStream; | ||
| 30 | |||
| 31 | /** | ||
| 32 | * WARNING: The contents of this source file are not part of any | ||
| 33 | * supported API. Code that depends on them does so at its own risk: | ||
| 34 | * they are subject to change or removal without notice. | ||
| 35 | */ | ||
| 36 | public | ||
| 37 | class NaryExpression extends UnaryExpression { | ||
| 38 | Expression args[]; | ||
| 39 | |||
| 40 | /** | ||
| 41 | * Constructor | ||
| 42 | */ | ||
| 43 | NaryExpression(int op, long where, Type type, Expression right, Expression args[]) { | ||
| 44 | super(op, where, type, right); | ||
| 45 | this.args = args; | ||
| 46 | } | ||
| 47 | |||
| 48 | /** | ||
| 49 | * Create a copy of the expression for method inlining | ||
| 50 | */ | ||
| 51 | public Expression copyInline(Context ctx) { | ||
| 52 | NaryExpression e = (NaryExpression)clone(); | ||
| 53 | if (right != null) { | ||
| 54 | e.right = right.copyInline(ctx); | ||
| 55 | } | ||
| 56 | e.args = new Expression[args.length]; | ||
| 57 | for (int i = 0 ; i < args.length ; i++) { | ||
| 58 | if (args[i] != null) { | ||
| 59 | e.args[i] = args[i].copyInline(ctx); | ||
| 60 | } | ||
| 61 | } | ||
| 62 | return e; | ||
| 63 | } | ||
| 64 | |||
| 65 | /** | ||
| 66 | * The cost of inlining this expression | ||
| 67 | */ | ||
| 68 | public int costInline(int thresh, Environment env, Context ctx) { | ||
| 69 | int cost = 3; | ||
| 70 | if (right != null) | ||
| 71 | cost += right.costInline(thresh, env, ctx); | ||
| 72 | for (int i = 0 ; (i < args.length) && (cost < thresh) ; i++) { | ||
| 73 | if (args[i] != null) { | ||
| 74 | cost += args[i].costInline(thresh, env, ctx); | ||
| 75 | } | ||
| 76 | } | ||
| 77 | return cost; | ||
| 78 | } | ||
| 79 | |||
| 80 | /** | ||
| 81 | |||
| 82 | */ | ||
| 83 | public void print(PrintStream out) { | ||
| 84 | out.print("(" + opNames[op] + "#" + hashCode()); | ||
| 85 | if (right != null) { | ||
| 86 | out.print(" "); | ||
| 87 | right.print(out); | ||
| 88 | } | ||
| 89 | for (int i = 0 ; i < args.length ; i++) { | ||
| 90 | out.print(" "); | ||
| 91 | if (args[i] != null) { | ||
| 92 | args[i].print(out); | ||
| 93 | } else { | ||
| 94 | out.print("<null>"); | ||
| 95 | } | ||
| 96 | } | ||
| 97 | out.print(")"); | ||
| 98 | } | ||
| 99 | } | ||