Wed, 30 Apr 2014 23:26:43 +0100
8038023: Compiler crash ClassCastException
Summary: Add additional checks on results of ClassReader.readPool
Reviewed-by: vromero
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2006, 2011, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. Oracle designates this |
aoqi@0 | 8 | * particular file as subject to the "Classpath" exception as provided |
aoqi@0 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
aoqi@0 | 10 | * |
aoqi@0 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 15 | * accompanied this code). |
aoqi@0 | 16 | * |
aoqi@0 | 17 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 20 | * |
aoqi@0 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 22 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 23 | * questions. |
aoqi@0 | 24 | */ |
aoqi@0 | 25 | |
aoqi@0 | 26 | package com.sun.tools.javac.main; |
aoqi@0 | 27 | |
aoqi@0 | 28 | import com.sun.tools.javac.util.Log; |
aoqi@0 | 29 | import com.sun.tools.javac.util.Log.PrefixKind; |
aoqi@0 | 30 | import java.io.File; |
aoqi@0 | 31 | |
aoqi@0 | 32 | /** |
aoqi@0 | 33 | * Helper object to be used by {@link Option#process}, providing access to |
aoqi@0 | 34 | * the compilation environment. |
aoqi@0 | 35 | * |
aoqi@0 | 36 | * <p><b>This is NOT part of any supported API. |
aoqi@0 | 37 | * If you write code that depends on this, you do so at your own |
aoqi@0 | 38 | * risk. This code and its internal interfaces are subject to change |
aoqi@0 | 39 | * or deletion without notice.</b></p> |
aoqi@0 | 40 | */ |
aoqi@0 | 41 | |
aoqi@0 | 42 | public abstract class OptionHelper { |
aoqi@0 | 43 | |
aoqi@0 | 44 | /** Get the current value of an option. */ |
aoqi@0 | 45 | public abstract String get(Option option); |
aoqi@0 | 46 | |
aoqi@0 | 47 | /** Set the value of an option. */ |
aoqi@0 | 48 | public abstract void put(String name, String value); |
aoqi@0 | 49 | |
aoqi@0 | 50 | /** Remove any prior value for an option. */ |
aoqi@0 | 51 | public abstract void remove(String name); |
aoqi@0 | 52 | |
aoqi@0 | 53 | /** Get access to the Log for the compilation. */ |
aoqi@0 | 54 | public abstract Log getLog(); |
aoqi@0 | 55 | |
aoqi@0 | 56 | /** Get the name of the tool, such as "javac", to be used in info like -help. */ |
aoqi@0 | 57 | public abstract String getOwnName(); |
aoqi@0 | 58 | |
aoqi@0 | 59 | /** Report an error. */ |
aoqi@0 | 60 | abstract void error(String key, Object... args); |
aoqi@0 | 61 | |
aoqi@0 | 62 | /** Record a file to be compiled. */ |
aoqi@0 | 63 | abstract void addFile(File f); |
aoqi@0 | 64 | |
aoqi@0 | 65 | /** Record the name of a class for annotation processing. */ |
aoqi@0 | 66 | abstract void addClassName(String s); |
aoqi@0 | 67 | |
aoqi@0 | 68 | /** An implementation of OptionHelper that mostly throws exceptions. */ |
aoqi@0 | 69 | public static class GrumpyHelper extends OptionHelper { |
aoqi@0 | 70 | private final Log log; |
aoqi@0 | 71 | |
aoqi@0 | 72 | public GrumpyHelper(Log log) { |
aoqi@0 | 73 | this.log = log; |
aoqi@0 | 74 | } |
aoqi@0 | 75 | |
aoqi@0 | 76 | @Override |
aoqi@0 | 77 | public Log getLog() { |
aoqi@0 | 78 | return log; |
aoqi@0 | 79 | } |
aoqi@0 | 80 | |
aoqi@0 | 81 | @Override |
aoqi@0 | 82 | public String getOwnName() { |
aoqi@0 | 83 | throw new IllegalStateException(); |
aoqi@0 | 84 | } |
aoqi@0 | 85 | |
aoqi@0 | 86 | @Override |
aoqi@0 | 87 | public String get(Option option) { |
aoqi@0 | 88 | throw new IllegalArgumentException(); |
aoqi@0 | 89 | } |
aoqi@0 | 90 | |
aoqi@0 | 91 | @Override |
aoqi@0 | 92 | public void put(String name, String value) { |
aoqi@0 | 93 | throw new IllegalArgumentException(); |
aoqi@0 | 94 | } |
aoqi@0 | 95 | |
aoqi@0 | 96 | @Override |
aoqi@0 | 97 | public void remove(String name) { |
aoqi@0 | 98 | throw new IllegalArgumentException(); |
aoqi@0 | 99 | } |
aoqi@0 | 100 | |
aoqi@0 | 101 | @Override |
aoqi@0 | 102 | void error(String key, Object... args) { |
aoqi@0 | 103 | throw new IllegalArgumentException(log.localize(PrefixKind.JAVAC, key, args)); |
aoqi@0 | 104 | } |
aoqi@0 | 105 | |
aoqi@0 | 106 | @Override |
aoqi@0 | 107 | public void addFile(File f) { |
aoqi@0 | 108 | throw new IllegalArgumentException(f.getPath()); |
aoqi@0 | 109 | } |
aoqi@0 | 110 | |
aoqi@0 | 111 | @Override |
aoqi@0 | 112 | public void addClassName(String s) { |
aoqi@0 | 113 | throw new IllegalArgumentException(s); |
aoqi@0 | 114 | } |
aoqi@0 | 115 | } |
aoqi@0 | 116 | |
aoqi@0 | 117 | } |