diff -r 000000000000 -r 959103a6100f src/share/classes/com/sun/tools/javap/TryBlockWriter.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/classes/com/sun/tools/javap/TryBlockWriter.java Wed Apr 27 01:34:52 2016 +0800 @@ -0,0 +1,142 @@ +/* + * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. Oracle designates this + * particular file as subject to the "Classpath" exception as provided + * by Oracle in the LICENSE file that accompanied this code. + * + * This code 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 + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +package com.sun.tools.javap; + +import com.sun.tools.classfile.Code_attribute; +import com.sun.tools.classfile.Code_attribute.Exception_data; +import com.sun.tools.classfile.Instruction; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.ListIterator; +import java.util.Map; + +/** + * Annotate instructions with details about try blocks. + * + *
This is NOT part of any supported API.
+ * If you write code that depends on this, you do so at your own risk.
+ * This code and its internal interfaces are subject to change or
+ * deletion without notice.
+ */
+public class TryBlockWriter extends InstructionDetailWriter {
+ public enum NoteKind {
+ START("try") {
+ public boolean match(Exception_data entry, int pc) {
+ return (pc == entry.start_pc);
+ }
+ },
+ END("end try") {
+ public boolean match(Exception_data entry, int pc) {
+ return (pc == entry.end_pc);
+ }
+ },
+ HANDLER("catch") {
+ public boolean match(Exception_data entry, int pc) {
+ return (pc == entry.handler_pc);
+ }
+ };
+ NoteKind(String text) {
+ this.text = text;
+ }
+ public abstract boolean match(Exception_data entry, int pc);
+ public final String text;
+ };
+
+ static TryBlockWriter instance(Context context) {
+ TryBlockWriter instance = context.get(TryBlockWriter.class);
+ if (instance == null)
+ instance = new TryBlockWriter(context);
+ return instance;
+ }
+
+ protected TryBlockWriter(Context context) {
+ super(context);
+ context.put(TryBlockWriter.class, this);
+ constantWriter = ConstantWriter.instance(context);
+ }
+
+ public void reset(Code_attribute attr) {
+ indexMap = new HashMap