--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/make/jdk/src/classes/build/tools/jdwpgen/Context.java Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 1998, 2013, 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 build.tools.jdwpgen;
+
+import java.util.*;
+
+class Context {
+
+ static final int outer = 0;
+ static final int readingReply = 1;
+ static final int writingCommand = 2;
+
+ final String whereJava;
+ final String whereC;
+
+ int state = outer;
+ private boolean inEvent = false;
+
+ Context() {
+ whereJava = "";
+ whereC = "";
+ }
+
+ private Context(String whereJava, String whereC) {
+ this.whereJava = whereJava;
+ this.whereC = whereC;
+ }
+
+ Context subcontext(String level) {
+ Context ctx;
+ if (whereC.length() == 0) {
+ ctx = new Context(level, level);
+ } else {
+ ctx = new Context(whereJava + "." + level, whereC + "_" + level);
+ }
+ ctx.state = state;
+ ctx.inEvent = inEvent;
+ return ctx;
+ }
+
+ private Context cloneContext() {
+ Context ctx = new Context(whereJava, whereC);
+ ctx.state = state;
+ ctx.inEvent = inEvent;
+ return ctx;
+ }
+
+ Context replyReadingSubcontext() {
+ Context ctx = cloneContext();
+ ctx.state = readingReply;
+ return ctx;
+ }
+
+ Context commandWritingSubcontext() {
+ Context ctx = cloneContext();
+ ctx.state = writingCommand;
+ return ctx;
+ }
+
+ Context inEventSubcontext() {
+ Context ctx = cloneContext();
+ ctx.inEvent = true;
+ return ctx;
+ }
+
+ boolean inEvent() {
+ return inEvent;
+ }
+
+ boolean isWritingCommand() {
+ return state == writingCommand;
+ }
+
+ boolean isReadingReply() {
+ return state == readingReply;
+ }
+}