author | roland |
Mon, 11 Jun 2018 15:28:24 +0200 | |
changeset 50577 | bf7e2684cd0a |
parent 47216 | 71c04702a3d5 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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package sun.jvm.hotspot.oops; |
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import sun.jvm.hotspot.runtime.ClassConstants; |
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import java.io.*; |
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public class AccessFlags implements /* imports */ ClassConstants { |
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public AccessFlags(long flags) { |
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this.flags = flags; |
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} |
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private long flags; |
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// Java access flags |
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public boolean isPublic () { return (flags & JVM_ACC_PUBLIC ) != 0; } |
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public boolean isPrivate () { return (flags & JVM_ACC_PRIVATE ) != 0; } |
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public boolean isProtected () { return (flags & JVM_ACC_PROTECTED ) != 0; } |
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public boolean isStatic () { return (flags & JVM_ACC_STATIC ) != 0; } |
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public boolean isFinal () { return (flags & JVM_ACC_FINAL ) != 0; } |
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public boolean isSynchronized() { return (flags & JVM_ACC_SYNCHRONIZED) != 0; } |
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public boolean isSuper () { return (flags & JVM_ACC_SUPER ) != 0; } |
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public boolean isVolatile () { return (flags & JVM_ACC_VOLATILE ) != 0; } |
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public boolean isBridge () { return (flags & JVM_ACC_BRIDGE ) != 0; } |
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public boolean isTransient () { return (flags & JVM_ACC_TRANSIENT ) != 0; } |
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public boolean isVarArgs () { return (flags & JVM_ACC_VARARGS ) != 0; } |
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public boolean isNative () { return (flags & JVM_ACC_NATIVE ) != 0; } |
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public boolean isEnum () { return (flags & JVM_ACC_ENUM ) != 0; } |
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public boolean isAnnotation () { return (flags & JVM_ACC_ANNOTATION ) != 0; } |
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public boolean isInterface () { return (flags & JVM_ACC_INTERFACE ) != 0; } |
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public boolean isAbstract () { return (flags & JVM_ACC_ABSTRACT ) != 0; } |
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public boolean isStrict () { return (flags & JVM_ACC_STRICT ) != 0; } |
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public boolean isSynthetic () { return (flags & JVM_ACC_SYNTHETIC ) != 0; } |
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public long getValue () { return flags; } |
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// Hotspot internal flags |
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// Method* flags |
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public boolean isMonitorMatching () { return (flags & JVM_ACC_MONITOR_MATCH ) != 0; } |
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public boolean hasMonitorBytecodes () { return (flags & JVM_ACC_HAS_MONITOR_BYTECODES ) != 0; } |
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public boolean hasLoops () { return (flags & JVM_ACC_HAS_LOOPS ) != 0; } |
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public boolean loopsFlagInit () { return (flags & JVM_ACC_LOOPS_FLAG_INIT ) != 0; } |
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public boolean queuedForCompilation() { return (flags & JVM_ACC_QUEUED ) != 0; } |
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public boolean isNotOsrCompilable () { return (flags & JVM_ACC_NOT_OSR_COMPILABLE ) != 0; } |
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public boolean hasLineNumberTable () { return (flags & JVM_ACC_HAS_LINE_NUMBER_TABLE ) != 0; } |
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public boolean hasCheckedExceptions() { return (flags & JVM_ACC_HAS_CHECKED_EXCEPTIONS ) != 0; } |
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public boolean hasJsrs () { return (flags & JVM_ACC_HAS_JSRS ) != 0; } |
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public boolean isObsolete () { return (flags & JVM_ACC_IS_OBSOLETE ) != 0; } |
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// Klass* flags |
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public boolean hasMirandaMethods () { return (flags & JVM_ACC_HAS_MIRANDA_METHODS ) != 0; } |
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public boolean hasVanillaConstructor() { return (flags & JVM_ACC_HAS_VANILLA_CONSTRUCTOR) != 0; } |
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public boolean hasFinalizer () { return (flags & JVM_ACC_HAS_FINALIZER ) != 0; } |
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public boolean isCloneable () { return (flags & JVM_ACC_IS_CLONEABLE ) != 0; } |
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// Klass* and Method* flags |
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public boolean hasLocalVariableTable() { return (flags & JVM_ACC_HAS_LOCAL_VARIABLE_TABLE ) != 0; } |
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// field flags |
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public boolean fieldAccessWatched () { return (flags & JVM_ACC_FIELD_ACCESS_WATCHED) != 0; } |
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public boolean fieldModificationWatched() { return (flags & JVM_ACC_FIELD_MODIFICATION_WATCHED) != 0; } |
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public boolean fieldHasGenericSignature() { return (flags & JVM_ACC_FIELD_HAS_GENERIC_SIGNATURE)!= 0; } |
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public void printOn(PrintStream tty) { |
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// prints only .class flags and not the hotspot internal flags |
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if (isPublic ()) tty.print("public " ); |
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if (isPrivate ()) tty.print("private " ); |
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if (isProtected ()) tty.print("protected " ); |
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if (isStatic ()) tty.print("static " ); |
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if (isFinal ()) tty.print("final " ); |
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if (isSynchronized()) tty.print("synchronized "); |
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if (isVolatile ()) tty.print("volatile " ); |
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if (isBridge ()) tty.print("bridge " ); |
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if (isTransient ()) tty.print("transient " ); |
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if (isVarArgs ()) tty.print("varargs " ); |
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if (isNative ()) tty.print("native " ); |
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if (isEnum ()) tty.print("enum " ); |
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if (isInterface ()) tty.print("interface " ); |
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if (isAbstract ()) tty.print("abstract " ); |
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if (isStrict ()) tty.print("strict " ); |
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if (isSynthetic ()) tty.print("synthetic " ); |
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} |
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// get flags written to .class files |
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public int getStandardFlags() { |
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return (int) (flags & JVM_ACC_WRITTEN_FLAGS); |
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} |
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} |