Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/oops/AccessFlags.java @ 13705:ac5b0f31f7a2
Truffle API-change: FrameDescriptors are now stored in the RootNode in a final field instead of the CallTarget.
author | Christian Humer <christian.humer@gmail.com> |
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date | Fri, 17 Jan 2014 17:06:08 +0100 |
parents | da91efe96a93 |
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0 | 1 /* |
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2 * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved. |
0 | 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. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 package sun.jvm.hotspot.oops; | |
26 | |
27 import sun.jvm.hotspot.runtime.ClassConstants; | |
28 import java.io.*; | |
29 | |
30 public class AccessFlags implements /* imports */ ClassConstants { | |
31 public AccessFlags(long flags) { | |
32 this.flags = flags; | |
33 } | |
34 | |
35 private long flags; | |
36 | |
37 // Java access flags | |
38 public boolean isPublic () { return (flags & JVM_ACC_PUBLIC ) != 0; } | |
39 public boolean isPrivate () { return (flags & JVM_ACC_PRIVATE ) != 0; } | |
40 public boolean isProtected () { return (flags & JVM_ACC_PROTECTED ) != 0; } | |
41 public boolean isStatic () { return (flags & JVM_ACC_STATIC ) != 0; } | |
42 public boolean isFinal () { return (flags & JVM_ACC_FINAL ) != 0; } | |
43 public boolean isSynchronized() { return (flags & JVM_ACC_SYNCHRONIZED) != 0; } | |
44 public boolean isSuper () { return (flags & JVM_ACC_SUPER ) != 0; } | |
45 public boolean isVolatile () { return (flags & JVM_ACC_VOLATILE ) != 0; } | |
46 public boolean isBridge () { return (flags & JVM_ACC_BRIDGE ) != 0; } | |
47 public boolean isTransient () { return (flags & JVM_ACC_TRANSIENT ) != 0; } | |
48 public boolean isVarArgs () { return (flags & JVM_ACC_VARARGS ) != 0; } | |
49 public boolean isNative () { return (flags & JVM_ACC_NATIVE ) != 0; } | |
50 public boolean isEnum () { return (flags & JVM_ACC_ENUM ) != 0; } | |
51 public boolean isAnnotation () { return (flags & JVM_ACC_ANNOTATION ) != 0; } | |
52 public boolean isInterface () { return (flags & JVM_ACC_INTERFACE ) != 0; } | |
53 public boolean isAbstract () { return (flags & JVM_ACC_ABSTRACT ) != 0; } | |
54 public boolean isStrict () { return (flags & JVM_ACC_STRICT ) != 0; } | |
55 public boolean isSynthetic () { return (flags & JVM_ACC_SYNTHETIC ) != 0; } | |
56 | |
57 public long getValue () { return flags; } | |
58 | |
59 // Hotspot internal flags | |
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60 // Method* flags |
0 | 61 public boolean isMonitorMatching () { return (flags & JVM_ACC_MONITOR_MATCH ) != 0; } |
62 public boolean hasMonitorBytecodes () { return (flags & JVM_ACC_HAS_MONITOR_BYTECODES ) != 0; } | |
63 public boolean hasLoops () { return (flags & JVM_ACC_HAS_LOOPS ) != 0; } | |
64 public boolean loopsFlagInit () { return (flags & JVM_ACC_LOOPS_FLAG_INIT ) != 0; } | |
65 public boolean queuedForCompilation() { return (flags & JVM_ACC_QUEUED ) != 0; } | |
66 public boolean isNotOsrCompilable () { return (flags & JVM_ACC_NOT_OSR_COMPILABLE ) != 0; } | |
67 public boolean hasLineNumberTable () { return (flags & JVM_ACC_HAS_LINE_NUMBER_TABLE ) != 0; } | |
68 public boolean hasCheckedExceptions() { return (flags & JVM_ACC_HAS_CHECKED_EXCEPTIONS ) != 0; } | |
69 public boolean hasJsrs () { return (flags & JVM_ACC_HAS_JSRS ) != 0; } | |
70 public boolean isObsolete () { return (flags & JVM_ACC_IS_OBSOLETE ) != 0; } | |
71 | |
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72 // Klass* flags |
0 | 73 public boolean hasMirandaMethods () { return (flags & JVM_ACC_HAS_MIRANDA_METHODS ) != 0; } |
74 public boolean hasVanillaConstructor() { return (flags & JVM_ACC_HAS_VANILLA_CONSTRUCTOR) != 0; } | |
75 public boolean hasFinalizer () { return (flags & JVM_ACC_HAS_FINALIZER ) != 0; } | |
76 public boolean isCloneable () { return (flags & JVM_ACC_IS_CLONEABLE ) != 0; } | |
77 | |
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78 // Klass* and Method* flags |
0 | 79 public boolean hasLocalVariableTable() { return (flags & JVM_ACC_HAS_LOCAL_VARIABLE_TABLE ) != 0; } |
80 | |
81 // field flags | |
82 public boolean fieldAccessWatched () { return (flags & JVM_ACC_FIELD_ACCESS_WATCHED) != 0; } | |
83 public boolean fieldModificationWatched() { return (flags & JVM_ACC_FIELD_MODIFICATION_WATCHED) != 0; } | |
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84 public boolean fieldHasGenericSignature() { return (flags & JVM_ACC_FIELD_HAS_GENERIC_SIGNATURE)!= 0; } |
0 | 85 |
86 public void printOn(PrintStream tty) { | |
87 // prints only .class flags and not the hotspot internal flags | |
88 if (isPublic ()) tty.print("public " ); | |
89 if (isPrivate ()) tty.print("private " ); | |
90 if (isProtected ()) tty.print("protected " ); | |
91 if (isStatic ()) tty.print("static " ); | |
92 if (isFinal ()) tty.print("final " ); | |
93 if (isSynchronized()) tty.print("synchronized "); | |
94 if (isVolatile ()) tty.print("volatile " ); | |
95 if (isBridge ()) tty.print("bridge " ); | |
96 if (isTransient ()) tty.print("transient " ); | |
97 if (isVarArgs ()) tty.print("varargs " ); | |
98 if (isNative ()) tty.print("native " ); | |
99 if (isEnum ()) tty.print("enum " ); | |
100 if (isInterface ()) tty.print("interface " ); | |
101 if (isAbstract ()) tty.print("abstract " ); | |
102 if (isStrict ()) tty.print("strict " ); | |
103 if (isSynthetic ()) tty.print("synthetic " ); | |
104 } | |
105 | |
106 // get flags written to .class files | |
107 public int getStandardFlags() { | |
108 return (int) (flags & JVM_ACC_WRITTEN_FLAGS); | |
109 } | |
110 } |