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author | Sadaf Ebrahimi <sadafebrahimi@google.com> | 2024-03-18 16:14:43 +0000 |
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committer | Gerrit Code Review <noreply-gerritcodereview@google.com> | 2024-03-18 16:14:43 +0000 |
commit | b956aa205b341677038bd599a78bc8173b7b4bad (patch) | |
tree | 864c52fff91ada9d6a095df9ed49786356575bf6 /src/proguard/classfile/util/AccessUtil.java | |
parent | ff9c0adb6dd6dc100776b29aca8bf7e8a8cf4969 (diff) | |
parent | 517437ecee41d115457a744f14c6aa0ed5006027 (diff) | |
download | proguard-main.tar.gz |
Diffstat (limited to 'src/proguard/classfile/util/AccessUtil.java')
-rw-r--r-- | src/proguard/classfile/util/AccessUtil.java | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/src/proguard/classfile/util/AccessUtil.java b/src/proguard/classfile/util/AccessUtil.java deleted file mode 100644 index 97fda89..0000000 --- a/src/proguard/classfile/util/AccessUtil.java +++ /dev/null @@ -1,105 +0,0 @@ -/* - * ProGuard -- shrinking, optimization, obfuscation, and preverification - * of Java bytecode. - * - * Copyright (c) 2002-2014 Eric Lafortune (eric@graphics.cornell.edu) - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This program 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 for - * more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -package proguard.classfile.util; - -import proguard.classfile.ClassConstants; - - -/** - * Utility methods for working with access flags. For convenience, this class - * defines access levels, in ascending order: <code>PRIVATE</code>, - * <code>PACKAGE_VISIBLE</code>, <code>PROTECTED</code>, and <code>PUBLIC</code>. - * - * @author Eric Lafortune - */ -public class AccessUtil -{ - public static final int PRIVATE = 0; - public static final int PACKAGE_VISIBLE = 1; - public static final int PROTECTED = 2; - public static final int PUBLIC = 3; - - - // The mask of access flags. - private static final int ACCESS_MASK = - ClassConstants.ACC_PUBLIC | - ClassConstants.ACC_PRIVATE | - ClassConstants.ACC_PROTECTED; - - - /** - * Returns the corresponding access level of the given access flags. - * @param accessFlags the internal access flags. - * @return the corresponding access level: <code>PRIVATE</code>, - * <code>PACKAGE_VISIBLE</code>, <code>PROTECTED</code>, or - * <code>PUBLIC</code>. - */ - public static int accessLevel(int accessFlags) - { - switch (accessFlags & ACCESS_MASK) - { - case ClassConstants.ACC_PRIVATE: return PRIVATE; - default: return PACKAGE_VISIBLE; - case ClassConstants.ACC_PROTECTED: return PROTECTED; - case ClassConstants.ACC_PUBLIC: return PUBLIC; - } - } - - - /** - * Returns the corresponding access flags of the given access level. - * @param accessLevel the access level: <code>PRIVATE</code>, - * <code>PACKAGE_VISIBLE</code>, <code>PROTECTED</code>, - * or <code>PUBLIC</code>. - * @return the corresponding internal access flags, the internal access - * flags as a logical bit mask of <code>INTERNAL_ACC_PRIVATE</code>, - * <code>INTERNAL_ACC_PROTECTED</code>, and - * <code>INTERNAL_ACC_PUBLIC</code>. - */ - public static int accessFlags(int accessLevel) - { - switch (accessLevel) - { - case PRIVATE: return ClassConstants.ACC_PRIVATE; - default: return 0; - case PROTECTED: return ClassConstants.ACC_PROTECTED; - case PUBLIC: return ClassConstants.ACC_PUBLIC; - } - } - - - /** - * Replaces the access part of the given access flags. - * @param accessFlags the internal access flags. - * @param accessFlags the new internal access flags. - */ - public static int replaceAccessFlags(int accessFlags, int newAccessFlags) - { - // A private class member should not be explicitly final. - if (newAccessFlags == ClassConstants.ACC_PRIVATE) - { - accessFlags &= ~ClassConstants.ACC_FINAL; - } - - return (accessFlags & ~ACCESS_MASK) | - (newAccessFlags & ACCESS_MASK); - } -} |