Merge
authorlana
Thu, 02 Jun 2016 21:14:40 +0000
changeset 38837 128b0f2cfaf4
parent 38825 016b7cf5a6d0 (current diff)
parent 38836 b09d1cfbf28c (diff)
child 38838 3d6ea76b35d6
Merge
langtools/src/jdk.jshell/share/classes/jdk/internal/jshell/jdi/JDIEnv.java
langtools/test/jdk/jshell/ExecutionControlTest.java
--- a/langtools/LICENSE	Thu Jun 02 20:33:36 2016 +0000
+++ b/langtools/LICENSE	Thu Jun 02 21:14:40 2016 +0000
@@ -3,7 +3,7 @@
 Version 2, June 1991
 
 Copyright (C) 1989, 1991 Free Software Foundation, Inc.
-59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
 Everyone is permitted to copy and distribute verbatim copies of this license
 document, but changing it is not allowed.
@@ -287,8 +287,8 @@
     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
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 Also add information on how to contact you by electronic and paper mail.
 
--- a/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/code/TypeAnnotations.java	Thu Jun 02 20:33:36 2016 +0000
+++ b/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/code/TypeAnnotations.java	Thu Jun 02 21:14:40 2016 +0000
@@ -1332,7 +1332,9 @@
 
             scan(tree.encl);
             scan(tree.typeargs);
-            scan(tree.clazz);
+            if (tree.def == null) {
+                scan(tree.clazz);
+            } // else super type will already have been scanned in the context of the anonymous class.
             scan(tree.args);
 
             // The class body will already be scanned.
--- a/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/code/Types.java	Thu Jun 02 20:33:36 2016 +0000
+++ b/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/code/Types.java	Thu Jun 02 21:14:40 2016 +0000
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2016, 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
@@ -509,9 +509,9 @@
 
             //merge thrown types - form the intersection of all the thrown types in
             //all the signatures in the list
-            boolean toErase = !bestSoFar.type.hasTag(FORALL);
             List<Type> thrown = null;
             Type mt1 = memberType(origin.type, bestSoFar);
+            boolean toErase = !mt1.hasTag(FORALL);
             for (Symbol msym2 : methodSyms) {
                 Type mt2 = memberType(origin.type, msym2);
                 List<Type> thrown_mt2 = mt2.getThrownTypes();
--- a/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Attr.java	Thu Jun 02 20:33:36 2016 +0000
+++ b/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Attr.java	Thu Jun 02 21:14:40 2016 +0000
@@ -3469,7 +3469,6 @@
             } else {
                 // Check if type-qualified fields or methods are static (JLS)
                 if ((sym.flags() & STATIC) == 0 &&
-                    !env.next.tree.hasTag(REFERENCE) &&
                     sym.name != names._super &&
                     (sym.kind == VAR || sym.kind == MTH)) {
                     rs.accessBase(rs.new StaticError(sym),
--- a/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Infer.java	Thu Jun 02 20:33:36 2016 +0000
+++ b/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Infer.java	Thu Jun 02 21:14:40 2016 +0000
@@ -1724,7 +1724,7 @@
 
                 @Override
                 public GraphUtils.DependencyKind[] getSupportedDependencyKinds() {
-                    return DependencyKind.values();
+                    return new GraphUtils.DependencyKind[] { DependencyKind.BOUND };
                 }
 
                 public Iterable<? extends Node> getAllDependencies() {
--- a/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Modules.java	Thu Jun 02 20:33:36 2016 +0000
+++ b/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Modules.java	Thu Jun 02 21:14:40 2016 +0000
@@ -68,6 +68,7 @@
 import com.sun.tools.javac.code.Symbol.PackageSymbol;
 import com.sun.tools.javac.code.Symtab;
 import com.sun.tools.javac.code.Type;
+import com.sun.tools.javac.code.Types;
 import com.sun.tools.javac.jvm.ClassWriter;
 import com.sun.tools.javac.jvm.JNIWriter;
 import com.sun.tools.javac.main.Option;
@@ -123,6 +124,7 @@
     private final Symtab syms;
     private final Attr attr;
     private final TypeEnvs typeEnvs;
+    private final Types types;
     private final JavaFileManager fileManager;
     private final ModuleFinder moduleFinder;
     private final boolean allowModules;
@@ -160,6 +162,7 @@
         attr = Attr.instance(context);
         typeEnvs = TypeEnvs.instance(context);
         moduleFinder = ModuleFinder.instance(context);
+        types = Types.instance(context);
         fileManager = context.get(JavaFileManager.class);
         allowModules = Source.instance(context).allowModules();
         Options options = Options.instance(context);
@@ -713,9 +716,12 @@
         @Override
         public void visitProvides(JCProvides tree) {
             Type st = attr.attribType(tree.serviceName, env, syms.objectType);
-            Type it = attr.attribType(tree.implName, env, st);
+            Type it = attr.attribType(tree.implName, env, syms.objectType);
             ClassSymbol service = (ClassSymbol) st.tsym;
             ClassSymbol impl = (ClassSymbol) it.tsym;
+            if (!types.isSubtype(it, st)) {
+                log.error(tree.implName.pos(), Errors.ServiceImplementationMustBeSubtypeOfServiceInterface);
+            }
             if ((impl.flags() & ABSTRACT) != 0) {
                 log.error(tree.implName.pos(), Errors.ServiceImplementationIsAbstract(impl));
             } else if (impl.isInner()) {
--- a/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/resources/compiler.properties	Thu Jun 02 20:33:36 2016 +0000
+++ b/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/resources/compiler.properties	Thu Jun 02 21:14:40 2016 +0000
@@ -2715,6 +2715,9 @@
 compiler.err.service.implementation.is.abstract=\
     the service implementation is an abstract class: {0}
 
+compiler.err.service.implementation.must.be.subtype.of.service.interface=\
+    the service implementation type must be a subtype of the service interface type
+
 # 0: symbol
 compiler.err.service.implementation.is.inner=\
     the service implementation is an inner class: {0}
--- a/langtools/src/jdk.jshell/share/classes/jdk/internal/jshell/jdi/ClassTracker.java	Thu Jun 02 20:33:36 2016 +0000
+++ b/langtools/src/jdk.jshell/share/classes/jdk/internal/jshell/jdi/ClassTracker.java	Thu Jun 02 21:14:40 2016 +0000
@@ -28,17 +28,18 @@
 import java.util.Objects;
 import com.sun.jdi.ReferenceType;
 import java.util.List;
+import com.sun.jdi.VirtualMachine;
 
 /**
  * Tracks the state of a class.
  */
 class ClassTracker {
 
-    private final JDIEnv jdiEnv;
+    private final VirtualMachine vm;
     private final HashMap<String, ClassInfo> map;
 
-    ClassTracker(JDIEnv jdiEnv) {
-        this.jdiEnv = jdiEnv;
+    ClassTracker(VirtualMachine vm) {
+        this.vm = vm;
         this.map = new HashMap<>();
     }
 
@@ -96,7 +97,7 @@
         }
 
         private ReferenceType nameToRef(String name) {
-            List<ReferenceType> rtl = jdiEnv.vm().classesByName(name);
+            List<ReferenceType> rtl = vm.classesByName(name);
             if (rtl.size() != 1) {
                 return null;
             }
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/src/jdk.jshell/share/classes/jdk/internal/jshell/jdi/FailOverExecutionControl.java	Thu Jun 02 21:14:40 2016 +0000
@@ -0,0 +1,119 @@
+/*
+ * Copyright (c) 2016, 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 jdk.internal.jshell.jdi;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import jdk.internal.jshell.debug.InternalDebugControl;
+import jdk.jshell.JShellException;
+import jdk.jshell.spi.ExecutionControl;
+import jdk.jshell.spi.ExecutionEnv;
+
+/**
+ * A meta implementation of ExecutionControl which cycles through the specified
+ * ExecutionControl instances until it finds one that starts.
+ */
+public class FailOverExecutionControl implements ExecutionControl {
+
+    private final List<ExecutionControl> ecl = new ArrayList<>();
+    private ExecutionControl active = null;
+    private final List<Exception> thrown = new ArrayList<>();
+
+    /**
+     * Create the ExecutionControl instance with at least one actual
+     * ExecutionControl instance.
+     *
+     * @param ec0 the first instance to try
+     * @param ecs the second and on instance to try
+     */
+    public FailOverExecutionControl(ExecutionControl ec0, ExecutionControl... ecs) {
+        ecl.add(ec0);
+        for (ExecutionControl ec : ecs) {
+            ecl.add(ec);
+        }
+    }
+
+    @Override
+    public void start(ExecutionEnv env) throws Exception {
+        for (ExecutionControl ec : ecl) {
+            try {
+                ec.start(env);
+                // Success! This is our active ExecutionControl
+                active = ec;
+                return;
+            } catch (Exception ex) {
+                thrown.add(ex);
+            } catch (Throwable ex) {
+                thrown.add(new RuntimeException(ex));
+            }
+            InternalDebugControl.debug(env.state(), env.userErr(),
+                    thrown.get(thrown.size() - 1), "failed one in FailOverExecutionControl");
+        }
+        // They have all failed -- rethrow the first exception we encountered
+        throw thrown.get(0);
+    }
+
+    @Override
+    public void close() {
+        active.close();
+    }
+
+    @Override
+    public boolean addToClasspath(String path) {
+        return active.addToClasspath(path);
+    }
+
+    @Override
+    public String invoke(String classname, String methodname) throws JShellException {
+        return active.invoke(classname, methodname);
+    }
+
+    @Override
+    public boolean load(Collection<String> classes) {
+        return active.load(classes);
+    }
+
+    @Override
+    public boolean redefine(Collection<String> classes) {
+        return active.redefine(classes);
+    }
+
+    @Override
+    public ClassStatus getClassStatus(String classname) {
+        return active.getClassStatus(classname);
+    }
+
+    @Override
+    public void stop() {
+        active.stop();
+    }
+
+    @Override
+    public String varValue(String classname, String varname) {
+        return active.varValue(classname, varname);
+    }
+
+}
--- a/langtools/src/jdk.jshell/share/classes/jdk/internal/jshell/jdi/JDIConnection.java	Thu Jun 02 20:33:36 2016 +0000
+++ b/langtools/src/jdk.jshell/share/classes/jdk/internal/jshell/jdi/JDIConnection.java	Thu Jun 02 21:14:40 2016 +0000
@@ -49,6 +49,8 @@
  */
 class JDIConnection {
 
+    private static final String REMOTE_AGENT = "jdk.internal.jshell.remote.RemoteAgent";
+
     private VirtualMachine vm;
     private boolean active = true;
     private Process process = null;
@@ -59,12 +61,12 @@
     private final Map<String, com.sun.jdi.connect.Connector.Argument> connectorArgs;
     private final int traceFlags;
 
-    synchronized void notifyOutputComplete() {
+    private synchronized void notifyOutputComplete() {
         outputCompleteCount++;
         notifyAll();
     }
 
-    synchronized void waitOutputComplete() {
+    private synchronized void waitOutputComplete() {
         // Wait for stderr and stdout
         if (process != null) {
             while (outputCompleteCount < 2) {
@@ -102,61 +104,72 @@
         return arguments;
     }
 
+    /**
+     * The JShell specific Connector args for the LaunchingConnector.
+     *
+     * @param portthe socket port for (non-JDI) commands
+     * @param remoteVMOptions any user requested VM options
+     * @return the argument map
+     */
+    private static Map<String, String> launchArgs(int port, String remoteVMOptions) {
+        Map<String, String> argumentName2Value = new HashMap<>();
+        argumentName2Value.put("main", REMOTE_AGENT + " " + port);
+        argumentName2Value.put("options", remoteVMOptions);
+        return argumentName2Value;
+    }
 
+    /**
+     * Start the remote agent and establish a JDI connection to it.
+     *
+     * @param ec the execution control instance
+     * @param port the socket port for (non-JDI) commands
+     * @param remoteVMOptions any user requested VM options
+     * @param isLaunch does JDI do the launch? That is, LaunchingConnector,
+     * otherwise we start explicitly and use ListeningConnector
+     */
+    JDIConnection(JDIExecutionControl ec, int port, List<String> remoteVMOptions, boolean isLaunch) {
+        this(ec,
+                isLaunch
+                        ? "com.sun.jdi.CommandLineLaunch"
+                        : "com.sun.jdi.SocketListen",
+                isLaunch
+                        ? launchArgs(port, String.join(" ", remoteVMOptions))
+                        : new HashMap<>(),
+                0);
+        if (isLaunch) {
+            vm = launchTarget();
+        } else {
+            vm = listenTarget(port, remoteVMOptions);
+        }
+
+        if (isOpen() && vm().canBeModified()) {
+            /*
+             * Connection opened on startup.
+             */
+            new JDIEventHandler(vm(), (b) -> ec.handleVMExit())
+                    .start();
+        }
+    }
+
+    /**
+     * Base constructor -- set-up a JDI connection.
+     *
+     * @param ec the execution control instance
+     * @param connectorName the standardized name of the connector
+     * @param argumentName2Value the argument map
+     * @param traceFlags should we trace JDI behavior
+     */
     JDIConnection(JDIExecutionControl ec, String connectorName, Map<String, String> argumentName2Value, int traceFlags) {
         this.ec = ec;
         this.connector = findConnector(connectorName);
-
         if (connector == null) {
             throw new IllegalArgumentException("No connector named: " + connectorName);
         }
-
         connectorArgs = mergeConnectorArgs(connector, argumentName2Value);
         this.traceFlags = traceFlags;
     }
 
-    synchronized VirtualMachine open() {
-        if (connector instanceof LaunchingConnector) {
-            vm = launchTarget();
-        } else if (connector instanceof AttachingConnector) {
-            vm = attachTarget();
-        } else if (connector instanceof ListeningConnector) {
-            vm = listenTarget();
-        } else {
-            throw new InternalError("Invalid connect type");
-        }
-        vm.setDebugTraceMode(traceFlags);
-        // Uncomment here and below to enable event requests
-        // installEventRequests(vm);
-
-        return vm;
-    }
-
-    synchronized boolean setConnectorArg(String name, String value) {
-        /*
-         * Too late if the connection already made
-         */
-        if (vm != null) {
-            return false;
-        }
-
-        Connector.Argument argument = connectorArgs.get(name);
-        if (argument == null) {
-            return false;
-        }
-        argument.setValue(value);
-        return true;
-    }
-
-    String connectorArg(String name) {
-        Connector.Argument argument = connectorArgs.get(name);
-        if (argument == null) {
-            return "";
-        }
-        return argument.value();
-    }
-
-    public synchronized VirtualMachine vm() {
+    final synchronized VirtualMachine vm() {
         if (vm == null) {
             throw new JDINotConnectedException();
         } else {
@@ -164,14 +177,10 @@
         }
     }
 
-    synchronized boolean isOpen() {
+    private synchronized boolean isOpen() {
         return (vm != null);
     }
 
-    boolean isLaunch() {
-        return (connector instanceof LaunchingConnector);
-    }
-
     synchronized boolean isRunning() {
         return process != null && process.isAlive();
     }
@@ -181,7 +190,7 @@
         active = false;
     }
 
-    public synchronized void disposeVM() {
+    synchronized void disposeVM() {
         try {
             if (vm != null) {
                 vm.dispose(); // This could NPE, so it is caught below
@@ -189,6 +198,8 @@
             }
         } catch (VMDisconnectedException ex) {
             // Ignore if already closed
+        } catch (Throwable e) {
+            ec.debug(DBG_GEN, null, "disposeVM threw: " + e);
         } finally {
             if (process != null) {
                 process.destroy();
@@ -198,41 +209,6 @@
         }
     }
 
-/*** Preserved for possible future support of event requests
-
-    private void installEventRequests(VirtualMachine vm) {
-        if (vm.canBeModified()){
-            setEventRequests(vm);
-            resolveEventRequests();
-        }
-    }
-
-    private void setEventRequests(VirtualMachine vm) {
-        EventRequestManager erm = vm.eventRequestManager();
-
-        // Normally, we want all uncaught exceptions.  We request them
-        // via the same mechanism as Commands.commandCatchException()
-        // so the user can ignore them later if they are not
-        // interested.
-        // FIXME: this works but generates spurious messages on stdout
-        //        during startup:
-        //          Set uncaught java.lang.Throwable
-        //          Set deferred uncaught java.lang.Throwable
-        Commands evaluator = new Commands();
-        evaluator.commandCatchException
-            (new StringTokenizer("uncaught java.lang.Throwable"));
-
-        ThreadStartRequest tsr = erm.createThreadStartRequest();
-        tsr.enable();
-        ThreadDeathRequest tdr = erm.createThreadDeathRequest();
-        tdr.enable();
-    }
-
-    private void resolveEventRequests() {
-        Env.specList.resolveAll();
-    }
-***/
-
     private void dumpStream(InputStream inStream, final PrintStream pStream) throws IOException {
         BufferedReader in =
             new BufferedReader(new InputStreamReader(inStream));
@@ -270,7 +246,7 @@
                     dumpStream(inStream, pStream);
                 } catch (IOException ex) {
                     ec.debug(ex, "Failed reading output");
-                    ec.jdiEnv.shutdown();
+                    ec.handleVMExit();
                 } finally {
                     notifyOutputComplete();
                 }
@@ -297,7 +273,7 @@
                     }
                 } catch (IOException ex) {
                     ec.debug(ex, "Failed reading output");
-                    ec.jdiEnv.shutdown();
+                    ec.handleVMExit();
                 }
             }
         };
@@ -305,15 +281,19 @@
         thr.start();
     }
 
+    private void forwardIO() {
+        displayRemoteOutput(process.getErrorStream(), ec.execEnv.userErr());
+        displayRemoteOutput(process.getInputStream(), ec.execEnv.userOut());
+        readRemoteInput(process.getOutputStream(), ec.execEnv.userIn());
+    }
+
     /* launch child target vm */
     private VirtualMachine launchTarget() {
         LaunchingConnector launcher = (LaunchingConnector)connector;
         try {
             VirtualMachine new_vm = launcher.launch(connectorArgs);
             process = new_vm.process();
-            displayRemoteOutput(process.getErrorStream(), ec.execEnv.userErr());
-            displayRemoteOutput(process.getInputStream(), ec.execEnv.userOut());
-            readRemoteInput(process.getOutputStream(), ec.execEnv.userIn());
+            forwardIO();
             return new_vm;
         } catch (Exception ex) {
             reportLaunchFail(ex, "launch");
@@ -321,25 +301,35 @@
         return null;
     }
 
-    /* JShell currently uses only launch, preserved for futures: */
-    /* attach to running target vm */
-    private VirtualMachine attachTarget() {
-        AttachingConnector attacher = (AttachingConnector)connector;
+    /**
+     * Directly launch the remote agent and connect JDI to it with a
+     * ListeningConnector.
+     */
+    private VirtualMachine listenTarget(int port, List<String> remoteVMOptions) {
+        ListeningConnector listener = (ListeningConnector) connector;
         try {
-            return attacher.attach(connectorArgs);
-        } catch (Exception ex) {
-            reportLaunchFail(ex, "attach");
-        }
-        return null;
-    }
+            // Start listening, get the JDI connection address
+            String addr = listener.startListening(connectorArgs);
+            ec.debug(DBG_GEN, "Listening at address: " + addr);
 
-    /* JShell currently uses only launch, preserved for futures: */
-    /* listen for connection from target vm */
-    private VirtualMachine listenTarget() {
-        ListeningConnector listener = (ListeningConnector)connector;
-        try {
-            String retAddress = listener.startListening(connectorArgs);
-            ec.debug(DBG_GEN, "Listening at address: " + retAddress);
+            // Launch the RemoteAgent requesting a connection on that address
+            String javaHome = System.getProperty("java.home");
+            List<String> args = new ArrayList<>();
+            args.add(javaHome == null
+                    ? "java"
+                    : javaHome + File.separator + "bin" + File.separator + "java");
+            args.add("-agentlib:jdwp=transport=" + connector.transport().name() +
+                    ",address=" + addr);
+            args.addAll(remoteVMOptions);
+            args.add(REMOTE_AGENT);
+            args.add("" + port);
+            ProcessBuilder pb = new ProcessBuilder(args);
+            process = pb.start();
+
+            // Forward out, err, and in
+            forwardIO();
+
+            // Accept the connection from the remote agent
             vm = listener.accept(connectorArgs);
             listener.stopListening(connectorArgs);
             return vm;
@@ -353,4 +343,4 @@
         throw new InternalError("Failed remote " + context + ": " + connector +
                 " -- " + connectorArgs, ex);
     }
-}
+}
\ No newline at end of file
--- a/langtools/src/jdk.jshell/share/classes/jdk/internal/jshell/jdi/JDIEnv.java	Thu Jun 02 20:33:36 2016 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,80 +0,0 @@
-/*
- * Copyright (c) 1998, 2015, 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 jdk.internal.jshell.jdi;
-
-import java.util.Map;
-
-import com.sun.jdi.*;
-import static jdk.internal.jshell.debug.InternalDebugControl.DBG_GEN;
-
-/**
- * Representation of a Java Debug Interface environment
- * Select methods extracted from jdb Env; shutdown() adapted to JShell shutdown.
- */
-class JDIEnv {
-
-    private JDIConnection connection;
-    private final JDIExecutionControl ec;
-
-    JDIEnv(JDIExecutionControl ec) {
-        this.ec = ec;
-    }
-
-    void init(String connectorName, Map<String, String> argumentName2Value, boolean openNow, int flags) {
-        connection = new JDIConnection(ec, connectorName, argumentName2Value, flags);
-        if (!connection.isLaunch() || openNow) {
-            connection.open();
-        }
-    }
-
-    JDIConnection connection() {
-        return connection;
-    }
-
-    VirtualMachine vm() {
-        return connection.vm();
-    }
-
-    void shutdown() {
-        if (connection != null) {
-            try {
-                connection.disposeVM();
-            } catch (VMDisconnectedException e) {
-                // Shutting down after the VM has gone away. This is
-                // not an error, and we just ignore it.
-            } catch (Throwable e) {
-                ec.debug(DBG_GEN, null, "disposeVM threw: " + e);
-            }
-        }
-        if (ec.execEnv.state() != null) { // If state has been set-up
-            try {
-                ec.execEnv.closeDown();
-            } catch (Throwable e) {
-                ec.debug(DBG_GEN, null, "state().closeDown() threw: " + e);
-            }
-        }
-    }
-}
--- a/langtools/src/jdk.jshell/share/classes/jdk/internal/jshell/jdi/JDIEventHandler.java	Thu Jun 02 20:33:36 2016 +0000
+++ b/langtools/src/jdk.jshell/share/classes/jdk/internal/jshell/jdi/JDIEventHandler.java	Thu Jun 02 21:14:40 2016 +0000
@@ -25,6 +25,7 @@
 
 package jdk.internal.jshell.jdi;
 
+import java.util.function.Consumer;
 import com.sun.jdi.*;
 import com.sun.jdi.event.*;
 
@@ -34,16 +35,20 @@
  */
 class JDIEventHandler implements Runnable {
 
-    Thread thread;
-    volatile boolean connected = true;
-    boolean completed = false;
-    String shutdownMessageKey;
-    final JDIEnv env;
+    private final Thread thread;
+    private volatile boolean connected = true;
+    private boolean completed = false;
+    private final VirtualMachine vm;
+    private final Consumer<Boolean> reportVMExit;
 
-    JDIEventHandler(JDIEnv env) {
-        this.env = env;
+    JDIEventHandler(VirtualMachine vm, Consumer<Boolean> reportVMExit) {
+        this.vm = vm;
+        this.reportVMExit = reportVMExit;
         this.thread = new Thread(this, "event-handler");
-        this.thread.start();
+    }
+
+    void start() {
+        thread.start();
     }
 
     synchronized void shutdown() {
@@ -56,7 +61,7 @@
 
     @Override
     public void run() {
-        EventQueue queue = env.vm().eventQueue();
+        EventQueue queue = vm.eventQueue();
         while (connected) {
             try {
                 EventSet eventSet = queue.remove();
@@ -111,27 +116,23 @@
     private void handleExitEvent(Event event) {
         if (event instanceof VMDeathEvent) {
             vmDied = true;
-            shutdownMessageKey = "The application exited";
         } else if (event instanceof VMDisconnectEvent) {
             connected = false;
-            if (!vmDied) {
-                shutdownMessageKey = "The application has been disconnected";
-            }
         } else {
             throw new InternalError("Unexpected event type: " +
                     event.getClass());
         }
-        env.shutdown();
+        reportVMExit.accept(vmDied);
     }
 
-    synchronized void handleDisconnectedException() {
+    private synchronized void handleDisconnectedException() {
         /*
          * A VMDisconnectedException has happened while dealing with
          * another event. We need to flush the event queue, dealing only
          * with exit events (VMDeath, VMDisconnect) so that we terminate
          * correctly.
          */
-        EventQueue queue = env.vm().eventQueue();
+        EventQueue queue = vm.eventQueue();
         while (connected) {
             try {
                 EventSet eventSet = queue.remove();
--- a/langtools/src/jdk.jshell/share/classes/jdk/internal/jshell/jdi/JDIExecutionControl.java	Thu Jun 02 20:33:36 2016 +0000
+++ b/langtools/src/jdk.jshell/share/classes/jdk/internal/jshell/jdi/JDIExecutionControl.java	Thu Jun 02 21:14:40 2016 +0000
@@ -34,13 +34,20 @@
 import java.io.PrintStream;
 import java.net.ServerSocket;
 import java.net.Socket;
-import com.sun.jdi.*;
 import java.io.EOFException;
 import java.util.Arrays;
 import java.util.Collection;
-import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import com.sun.jdi.BooleanValue;
+import com.sun.jdi.ClassNotLoadedException;
+import com.sun.jdi.IncompatibleThreadStateException;
+import com.sun.jdi.InvalidTypeException;
+import com.sun.jdi.ObjectReference;
+import com.sun.jdi.ReferenceType;
+import com.sun.jdi.StackFrame;
+import com.sun.jdi.ThreadReference;
+import com.sun.jdi.VirtualMachine;
 import static java.util.stream.Collectors.toList;
 import jdk.jshell.JShellException;
 import jdk.jshell.spi.ExecutionControl;
@@ -59,13 +66,28 @@
 public class JDIExecutionControl implements ExecutionControl {
 
     ExecutionEnv execEnv;
-    JDIEnv jdiEnv;
-    private ClassTracker tracker;
-    private JDIEventHandler handler;
+    private final boolean isLaunch;
+    private JDIConnection connection;
+    private ClassTracker classTracker;
     private Socket socket;
     private ObjectInputStream remoteIn;
     private ObjectOutputStream remoteOut;
-    private String remoteVMOptions;
+
+    /**
+     * Creates an ExecutionControl instance based on JDI.
+     *
+     * @param isLaunch true for LaunchingConnector; false for ListeningConnector
+     */
+    public JDIExecutionControl(boolean isLaunch) {
+        this.isLaunch = isLaunch;
+    }
+
+    /**
+     * Creates an ExecutionControl instance based on a JDI LaunchingConnector.
+     */
+    public JDIExecutionControl() {
+        this.isLaunch = true;
+    }
 
     /**
      * Initializes the launching JDI execution engine. Initialize JDI and use it
@@ -79,20 +101,12 @@
     @Override
     public void start(ExecutionEnv execEnv) throws IOException {
         this.execEnv = execEnv;
-        this.jdiEnv = new JDIEnv(this);
-        this.tracker = new ClassTracker(jdiEnv);
         StringBuilder sb = new StringBuilder();
-        execEnv.extraRemoteVMOptions().stream()
-                .forEach(s -> {
-                    sb.append(" ");
-                    sb.append(s);
-                });
-        this.remoteVMOptions = sb.toString();
         try (ServerSocket listener = new ServerSocket(0)) {
             // timeout after 60 seconds
             listener.setSoTimeout(60000);
             int port = listener.getLocalPort();
-            jdiGo(port);
+            connection = new JDIConnection(this, port, execEnv.extraRemoteVMOptions(), isLaunch);
             this.socket = listener.accept();
             // out before in -- match remote creation so we don't hang
             this.remoteOut = new ObjectOutputStream(socket.getOutputStream());
@@ -109,16 +123,15 @@
     @Override
     public void close() {
         try {
-            JDIConnection c = jdiEnv.connection();
-            if (c != null) {
-                c.beginShutdown();
+            if (connection != null) {
+                connection.beginShutdown();
             }
             if (remoteOut != null) {
                 remoteOut.writeInt(CMD_EXIT);
                 remoteOut.flush();
             }
-            if (c != null) {
-                c.disposeVM();
+            if (connection != null) {
+                connection.disposeVM();
             }
         } catch (IOException ex) {
             debug(DBG_GEN, "Exception on JDI exit: %s\n", ex);
@@ -185,9 +198,9 @@
                 return result;
             }
         } catch (IOException | RuntimeException ex) {
-            if (!jdiEnv.connection().isRunning()) {
+            if (!connection.isRunning()) {
                 // The JDI connection is no longer live, shutdown.
-                jdiEnv.shutdown();
+                handleVMExit();
             } else {
                 debug(DBG_GEN, "Exception on remote invoke: %s\n", ex);
                 return "Execution failure: " + ex.getMessage();
@@ -221,7 +234,7 @@
                 return result;
             }
         } catch (EOFException ex) {
-            jdiEnv.shutdown();
+            handleVMExit();
         } catch (IOException ex) {
             debug(DBG_GEN, "Exception on remote var value: %s\n", ex);
             return "Execution failure: " + ex.getMessage();
@@ -273,7 +286,7 @@
                             ci -> ci.getReferenceTypeOrNull(),
                             ci -> ci.getBytes()));
             // Attempt redefine.  Throws exceptions on failure.
-            jdiEnv.vm().redefineClasses(rmp);
+            connection.vm().redefineClasses(rmp);
             // Successful: mark the bytes as loaded.
             infos.stream()
                     .forEach(ci -> ci.markLoaded());
@@ -287,6 +300,24 @@
         }
     }
 
+    // the VM has gone down in flames or because user evaled System.exit() or the like
+    void handleVMExit() {
+        if (connection != null) {
+            // If there is anything left dispose of it
+            connection.disposeVM();
+        }
+        // Tell JShell-core that the VM has died
+        execEnv.closeDown();
+    }
+
+    // Lazy init class tracker
+    private ClassTracker classTracker() {
+        if (classTracker == null) {
+            classTracker = new ClassTracker(connection.vm());
+        }
+        return classTracker;
+    }
+
     /**
      * Converts a collection of class names into ClassInfo instances associated
      * with the most recently compiled class bytes.
@@ -296,7 +327,7 @@
      */
     private List<ClassInfo> withBytes(Collection<String> classes) {
         return classes.stream()
-                .map(cn -> tracker.classInfo(cn, execEnv.getClassBytes(cn)))
+                .map(cn -> classTracker().classInfo(cn, execEnv.getClassBytes(cn)))
                 .collect(toList());
     }
 
@@ -310,7 +341,7 @@
      */
     @Override
     public ClassStatus getClassStatus(String classname) {
-        ClassInfo ci = tracker.get(classname);
+        ClassInfo ci = classTracker().get(classname);
         if (ci.getReferenceTypeOrNull() == null) {
             // If the class does not have a JDI ReferenceType it has not been loaded
             return ClassStatus.UNKNOWN;
@@ -403,37 +434,6 @@
         return elems;
     }
 
-    /**
-     * Launch the remote agent as a JDI connection.
-     *
-     * @param port the socket port for (non-JDI) commands
-     */
-    private void jdiGo(int port) {
-        //MessageOutput.textResources = ResourceBundle.getBundle("impl.TTYResources",
-        //        Locale.getDefault());
-
-        // Set-up for a fresh launch of a remote agent with any user-specified VM options.
-        String connectorName = "com.sun.jdi.CommandLineLaunch";
-        Map<String, String> argumentName2Value = new HashMap<>();
-        argumentName2Value.put("main", "jdk.internal.jshell.remote.RemoteAgent " + port);
-        argumentName2Value.put("options", remoteVMOptions);
-
-        boolean launchImmediately = true;
-        int traceFlags = 0;// VirtualMachine.TRACE_SENDS | VirtualMachine.TRACE_EVENTS;
-
-        // Launch.
-        jdiEnv.init(connectorName, argumentName2Value, launchImmediately, traceFlags);
-
-        if (jdiEnv.connection().isOpen() && jdiEnv.vm().canBeModified()) {
-            /*
-             * Connection opened on startup. Start event handler
-             * immediately, telling it (through arg 2) to stop on the
-             * VM start event.
-             */
-            handler = new JDIEventHandler(jdiEnv);
-        }
-    }
-
     private final Object STOP_LOCK = new Object();
     private boolean userCodeRunning = false;
 
@@ -447,7 +447,7 @@
                 return;
             }
 
-            VirtualMachine vm = handler.env.vm();
+            VirtualMachine vm = connection.vm();
             vm.suspend();
             try {
                 OUTER:
--- a/langtools/src/jdk.jshell/share/classes/jdk/internal/jshell/tool/ExternalEditor.java	Thu Jun 02 20:33:36 2016 +0000
+++ b/langtools/src/jdk.jshell/share/classes/jdk/internal/jshell/tool/ExternalEditor.java	Thu Jun 02 21:14:40 2016 +0000
@@ -73,8 +73,8 @@
      */
     private void setupWatch(String initialText) throws IOException {
         this.watcher = FileSystems.getDefault().newWatchService();
-        this.dir = Files.createTempDirectory("REPL");
-        this.tmpfile = Files.createTempFile(dir, null, ".repl");
+        this.dir = Files.createTempDirectory("jshelltemp");
+        this.tmpfile = Files.createTempFile(dir, null, ".edit");
         Files.write(tmpfile, initialText.getBytes(Charset.forName("UTF-8")));
         dir.register(watcher,
                 ENTRY_CREATE,
@@ -86,12 +86,17 @@
                 try {
                     key = watcher.take();
                 } catch (ClosedWatchServiceException ex) {
+                    // The watch service has been closed, we are done
                     break;
                 } catch (InterruptedException ex) {
-                    continue; // tolerate an intrupt
+                    // tolerate an interrupt
+                    continue;
                 }
 
                 if (!key.pollEvents().isEmpty()) {
+                    // Changes have occurred in temp edit directory,
+                    // transfer the new sources to JShell (unless the editor is
+                    // running directly in JShell's window -- don't make a mess)
                     if (!input.terminalEditorRunning()) {
                         saveFile();
                     }
@@ -99,7 +104,7 @@
 
                 boolean valid = key.reset();
                 if (!valid) {
-                    errorHandler.accept("Invalid key");
+                    // The watch service has been closed, we are done
                     break;
                 }
             }
--- a/langtools/src/jdk.jshell/share/classes/jdk/jshell/JShell.java	Thu Jun 02 20:33:36 2016 +0000
+++ b/langtools/src/jdk.jshell/share/classes/jdk/jshell/JShell.java	Thu Jun 02 21:14:40 2016 +0000
@@ -44,6 +44,7 @@
 
 import java.util.function.Supplier;
 import jdk.internal.jshell.debug.InternalDebugControl;
+import jdk.internal.jshell.jdi.FailOverExecutionControl;
 import static java.util.stream.Collectors.collectingAndThen;
 import static java.util.stream.Collectors.toList;
 import static jdk.jshell.Util.expunge;
@@ -112,7 +113,9 @@
         this.idGenerator = b.idGenerator;
         this.extraRemoteVMOptions = b.extraRemoteVMOptions;
         this.executionControl = b.executionControl==null
-                ? new JDIExecutionControl()
+                ? new FailOverExecutionControl(
+                        new JDIExecutionControl(),
+                        new JDIExecutionControl(false))
                 : b.executionControl;
 
         this.maps = new SnippetMaps(this);
@@ -759,7 +762,11 @@
         if (!closed) {
             // Send only once
             closed = true;
-            notifyShutdownEvent(this);
+            try {
+                notifyShutdownEvent(this);
+            } catch (Throwable thr) {
+                // Don't care about dying exceptions
+            }
         }
     }
 
--- a/langtools/src/jdk.jshell/share/classes/jdk/jshell/MaskCommentsAndModifiers.java	Thu Jun 02 20:33:36 2016 +0000
+++ b/langtools/src/jdk.jshell/share/classes/jdk/jshell/MaskCommentsAndModifiers.java	Thu Jun 02 21:14:40 2016 +0000
@@ -40,35 +40,52 @@
             Stream.of( "public", "protected", "private", "static", "final" )
                     .collect( Collectors.toSet() );
 
+    // Builder to accumulate non-masked characters
     private final StringBuilder sbCleared = new StringBuilder();
+
+    // Builder to accumulate masked characters
     private final StringBuilder sbMask = new StringBuilder();
+
+    // The input string
     private final String str;
+
+    // Entire input string length
     private final int length;
+
+    // Should leading modifiers be masked away
     private final boolean maskModifiers;
+
+    // The next character
     private int next = 0;
-    private boolean wasMasked = false;
+
+    // We have past any point where a top-level modifier could be
     private boolean inside = false;
 
+    // Does the string end with an unclosed '/*' style comment?
+    private boolean openComment = false;
+
     @SuppressWarnings("empty-statement")
-    public MaskCommentsAndModifiers(String s, boolean maskModifiers) {
+    MaskCommentsAndModifiers(String s, boolean maskModifiers) {
         this.str = s;
         this.length = s.length();
         this.maskModifiers = maskModifiers;
         do { } while (next());
     }
 
-    public String cleared() {
+    String cleared() {
         return sbCleared.toString();
     }
 
-    public String mask() {
+    String mask() {
         return sbMask.toString();
     }
 
-    public boolean wasMasked() {
-        return wasMasked;
+    boolean endsWithOpenComment() {
+        return openComment;
     }
 
+    /****** private implementation methods ******/
+
     /**
      * Read the next character
      */
@@ -89,7 +106,6 @@
     }
 
     private void writeMask(int ch) {
-        wasMasked = true;
         write(sbMask, ch);
         write(sbCleared, Character.isWhitespace(ch) ? ch : ' ');
     }
@@ -147,6 +163,7 @@
                 int prevc = 0;
                 while ((c = read()) != '/' || prevc != '*') {
                     if (c < 0) {
+                        openComment = true;
                         return false;
                     }
                     writeMask(c);
--- a/langtools/src/jdk.jshell/share/classes/jdk/jshell/SourceCodeAnalysisImpl.java	Thu Jun 02 20:33:36 2016 +0000
+++ b/langtools/src/jdk.jshell/share/classes/jdk/jshell/SourceCodeAnalysisImpl.java	Thu Jun 02 21:14:40 2016 +0000
@@ -130,6 +130,7 @@
 
 import static jdk.jshell.Util.REPL_DOESNOTMATTER_CLASS_NAME;
 import static java.util.stream.Collectors.joining;
+import static jdk.jshell.SourceCodeAnalysis.Completeness.DEFINITELY_INCOMPLETE;
 
 /**
  * The concrete implementation of SourceCodeAnalysis.
@@ -165,6 +166,10 @@
     @Override
     public CompletionInfo analyzeCompletion(String srcInput) {
         MaskCommentsAndModifiers mcm = new MaskCommentsAndModifiers(srcInput, false);
+        if (mcm.endsWithOpenComment()) {
+            proc.debug(DBG_COMPA, "Incomplete (open comment): %s\n", srcInput);
+            return new CompletionInfo(DEFINITELY_INCOMPLETE, srcInput.length(), null, srcInput + '\n');
+        }
         String cleared = mcm.cleared();
         String trimmedInput = Util.trimEnd(cleared);
         if (trimmedInput.isEmpty()) {
--- a/langtools/test/jdk/jshell/CompletenessTest.java	Thu Jun 02 20:33:36 2016 +0000
+++ b/langtools/test/jdk/jshell/CompletenessTest.java	Thu Jun 02 21:14:40 2016 +0000
@@ -23,7 +23,7 @@
 
 /*
  * @test
- * @bug 8149524
+ * @bug 8149524 8131024
  * @summary Test SourceCodeAnalysis
  * @build KullaTesting TestingInputStream
  * @run testng CompletenessTest
@@ -285,6 +285,11 @@
         assertStatus("\"abc\\", UNKNOWN, "\"abc\\");
     }
 
+    public void testOpenComment() {
+        assertStatus("int xx; /* hello", DEFINITELY_INCOMPLETE, null);
+        assertStatus("/**  test", DEFINITELY_INCOMPLETE, null);
+    }
+
     public void testMiscSource() {
         assertStatus("if (t) if ", DEFINITELY_INCOMPLETE, "if (t) if"); //Bug
         assertStatus("int m() {} dfd", COMPLETE, "int m() {}");
--- a/langtools/test/jdk/jshell/ExecutionControlTest.java	Thu Jun 02 20:33:36 2016 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,150 +0,0 @@
-/*
- * Copyright (c) 2016, 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.
- *
- * 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.
- */
-
-/*
- * @test
- * @bug 8156101
- * @summary Tests for ExecutionControl SPI
- * @build KullaTesting LocalExecutionControl
- * @run testng ExecutionControlTest
- */
-
-
-import javax.tools.Diagnostic;
-
-import jdk.jshell.VarSnippet;
-import org.testng.annotations.Test;
-
-import static jdk.jshell.Snippet.Status.VALID;
-import static jdk.jshell.Snippet.SubKind.*;
-import static org.testng.Assert.assertEquals;
-import org.testng.annotations.BeforeMethod;
-
-@Test
-public class ExecutionControlTest extends KullaTesting {
-
-    @BeforeMethod
-    @Override
-    public void setUp() {
-        setUp(new LocalExecutionControl());
-    }
-
-    public void verifyLocal() throws ClassNotFoundException, NoSuchFieldException, IllegalArgumentException, IllegalAccessException {
-        System.setProperty("LOCAL_CHECK", "TBD");
-        assertEquals(System.getProperty("LOCAL_CHECK"), "TBD");
-        assertEval("System.setProperty(\"LOCAL_CHECK\", \"local\")");
-        assertEquals(System.getProperty("LOCAL_CHECK"), "local");
-    }
-
-    public void classesDeclaration() {
-        assertEval("interface A { }");
-        assertEval("class B implements A { }");
-        assertEval("interface C extends A { }");
-        assertEval("enum D implements C { }");
-        assertEval("@interface E { }");
-        assertClasses(
-                clazz(KullaTesting.ClassType.INTERFACE, "A"),
-                clazz(KullaTesting.ClassType.CLASS, "B"),
-                clazz(KullaTesting.ClassType.INTERFACE, "C"),
-                clazz(KullaTesting.ClassType.ENUM, "D"),
-                clazz(KullaTesting.ClassType.ANNOTATION, "E"));
-        assertActiveKeys();
-    }
-
-    @Test
-    public void interfaceTest() {
-        String interfaceSource
-                = "interface A {\n"
-                + "   default int defaultMethod() { return 1; }\n"
-                + "   static int staticMethod() { return 2; }\n"
-                + "   int method();\n"
-                + "   class Inner1 {}\n"
-                + "   static class Inner2 {}\n"
-                + "}";
-        assertEval(interfaceSource);
-        assertEval("A.staticMethod();", "2");
-        String classSource
-                = "class B implements A {\n"
-                + "   public int method() { return 3; }\n"
-                + "}";
-        assertEval(classSource);
-        assertEval("B b = new B();");
-        assertEval("b.defaultMethod();", "1");
-        assertDeclareFail("B.staticMethod();",
-                new ExpectedDiagnostic("compiler.err.cant.resolve.location.args", 0, 14, 1, -1, -1, Diagnostic.Kind.ERROR));
-        assertEval("b.method();", "3");
-        assertEval("new A.Inner1();");
-        assertEval("new A.Inner2();");
-        assertEval("new B.Inner1();");
-        assertEval("new B.Inner2();");
-    }
-
-    public void variables() {
-        VarSnippet snx = varKey(assertEval("int x = 10;"));
-        VarSnippet sny = varKey(assertEval("String y = \"hi\";"));
-        VarSnippet snz = varKey(assertEval("long z;"));
-        assertVariables(variable("int", "x"), variable("String", "y"), variable("long", "z"));
-        assertVarValue(snx, "10");
-        assertVarValue(sny, "\"hi\"");
-        assertVarValue(snz, "0");
-        assertActiveKeys();
-    }
-
-    public void methodOverload() {
-        assertEval("int m() { return 1; }");
-        assertEval("int m(int x) { return 2; }");
-        assertEval("int m(String s) { return 3; }");
-        assertEval("int m(int x, int y) { return 4; }");
-        assertEval("int m(int x, String z) { return 5; }");
-        assertEval("int m(int x, String z, long g) { return 6; }");
-        assertMethods(
-                method("()int", "m"),
-                method("(int)int", "m"),
-                method("(String)int", "m"),
-                method("(int,int)int", "m"),
-                method("(int,String)int", "m"),
-                method("(int,String,long)int", "m")
-        );
-        assertEval("m();", "1");
-        assertEval("m(3);", "2");
-        assertEval("m(\"hi\");", "3");
-        assertEval("m(7, 8);", "4");
-        assertEval("m(7, \"eight\");", "5");
-        assertEval("m(7, \"eight\", 9L);", "6");
-        assertActiveKeys();
-    }
-
-    public void testExprSanity() {
-        assertEval("int x = 3;", "3");
-        assertEval("int y = 4;", "4");
-        assertEval("x + y;", "7");
-        assertActiveKeys();
-    }
-
-    public void testImportOnDemand() {
-        assertImportKeyMatch("import java.util.*;", "java.util.*", TYPE_IMPORT_ON_DEMAND_SUBKIND, added(VALID));
-        assertEval("List<Integer> list = new ArrayList<>();");
-        assertEval("list.add(45);");
-        assertEval("list.size();", "1");
-    }
-}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/jdk/jshell/ExecutionControlTestBase.java	Thu Jun 02 21:14:40 2016 +0000
@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 2016, 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.
+ *
+ * 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.
+ */
+
+import javax.tools.Diagnostic;
+
+import jdk.jshell.VarSnippet;
+
+import static jdk.jshell.Snippet.Status.VALID;
+import static jdk.jshell.Snippet.SubKind.*;
+
+public class ExecutionControlTestBase extends KullaTesting {
+
+    public void classesDeclaration() {
+        assertEval("interface A { }");
+        assertEval("class B implements A { }");
+        assertEval("interface C extends A { }");
+        assertEval("enum D implements C { }");
+        assertEval("@interface E { }");
+        assertClasses(
+                clazz(KullaTesting.ClassType.INTERFACE, "A"),
+                clazz(KullaTesting.ClassType.CLASS, "B"),
+                clazz(KullaTesting.ClassType.INTERFACE, "C"),
+                clazz(KullaTesting.ClassType.ENUM, "D"),
+                clazz(KullaTesting.ClassType.ANNOTATION, "E"));
+        assertActiveKeys();
+    }
+
+    public void interfaceTest() {
+        String interfaceSource
+                = "interface A {\n"
+                + "   default int defaultMethod() { return 1; }\n"
+                + "   static int staticMethod() { return 2; }\n"
+                + "   int method();\n"
+                + "   class Inner1 {}\n"
+                + "   static class Inner2 {}\n"
+                + "}";
+        assertEval(interfaceSource);
+        assertEval("A.staticMethod();", "2");
+        String classSource
+                = "class B implements A {\n"
+                + "   public int method() { return 3; }\n"
+                + "}";
+        assertEval(classSource);
+        assertEval("B b = new B();");
+        assertEval("b.defaultMethod();", "1");
+        assertDeclareFail("B.staticMethod();",
+                new ExpectedDiagnostic("compiler.err.cant.resolve.location.args", 0, 14, 1, -1, -1, Diagnostic.Kind.ERROR));
+        assertEval("b.method();", "3");
+        assertEval("new A.Inner1();");
+        assertEval("new A.Inner2();");
+        assertEval("new B.Inner1();");
+        assertEval("new B.Inner2();");
+    }
+
+    public void variables() {
+        VarSnippet snx = varKey(assertEval("int x = 10;"));
+        VarSnippet sny = varKey(assertEval("String y = \"hi\";"));
+        VarSnippet snz = varKey(assertEval("long z;"));
+        assertVariables(variable("int", "x"), variable("String", "y"), variable("long", "z"));
+        assertVarValue(snx, "10");
+        assertVarValue(sny, "\"hi\"");
+        assertVarValue(snz, "0");
+        assertActiveKeys();
+    }
+
+    public void methodOverload() {
+        assertEval("int m() { return 1; }");
+        assertEval("int m(int x) { return 2; }");
+        assertEval("int m(String s) { return 3; }");
+        assertEval("int m(int x, int y) { return 4; }");
+        assertEval("int m(int x, String z) { return 5; }");
+        assertEval("int m(int x, String z, long g) { return 6; }");
+        assertMethods(
+                method("()int", "m"),
+                method("(int)int", "m"),
+                method("(String)int", "m"),
+                method("(int,int)int", "m"),
+                method("(int,String)int", "m"),
+                method("(int,String,long)int", "m")
+        );
+        assertEval("m();", "1");
+        assertEval("m(3);", "2");
+        assertEval("m(\"hi\");", "3");
+        assertEval("m(7, 8);", "4");
+        assertEval("m(7, \"eight\");", "5");
+        assertEval("m(7, \"eight\", 9L);", "6");
+        assertActiveKeys();
+    }
+
+    public void testExprSanity() {
+        assertEval("int x = 3;", "3");
+        assertEval("int y = 4;", "4");
+        assertEval("x + y;", "7");
+        assertActiveKeys();
+    }
+
+    public void testImportOnDemand() {
+        assertImportKeyMatch("import java.util.*;", "java.util.*", TYPE_IMPORT_ON_DEMAND_SUBKIND, added(VALID));
+        assertEval("List<Integer> list = new ArrayList<>();");
+        assertEval("list.add(45);");
+        assertEval("list.size();", "1");
+    }
+}
--- a/langtools/test/jdk/jshell/ExternalEditorTest.java	Thu Jun 02 20:33:36 2016 +0000
+++ b/langtools/test/jdk/jshell/ExternalEditorTest.java	Thu Jun 02 21:14:40 2016 +0000
@@ -24,8 +24,7 @@
 /*
  * @test
  * @summary Testing external editor.
- * @bug 8080843 8143955
- * @ignore 8080843
+ * @bug 8143955 8080843
  * @modules jdk.jshell/jdk.internal.jshell.tool
  * @build ReplToolTesting CustomEditor EditorTestBase
  * @run testng ExternalEditorTest
@@ -197,22 +196,22 @@
                 a -> assertCommand(a, "/set editor", "|  The '/set editor' command requires a path argument"),
                 a -> assertCommand(a, "/set editor UNKNOWN", "|  Editor set to: UNKNOWN"),
                 a -> assertCommand(a, "int a;", null),
-                a -> assertCommand(a, "/ed 1",
-                        "|  Edit Error: process IO failure: Cannot run program \"UNKNOWN\": error=2, No such file or directory")
+                a -> assertCommandOutputStartsWith(a, "/ed 1",
+                        "|  Edit Error:")
         );
     }
 
-    @Test(enabled = false)
+    @Test
     public void testRemoveTempFile() {
         test(new String[]{"-nostartup"},
                 a -> assertCommandCheckOutput(a, "/set editor " + executionScript,
                         assertStartsWith("|  Editor set to: " + executionScript)),
                 a -> assertVariable(a, "int", "a", "0", "0"),
-                a -> assertEditOutput(a, "/e 1", assertStartsWith("|  Edit Error: Failure read edit file:"), () -> {
+                a -> assertEditOutput(a, "/ed 1", assertStartsWith("|  Edit Error: Failure in read edit file:"), () -> {
                     sendCode(CustomEditor.REMOVE_CODE);
                     exit();
                 }),
-                a -> assertCommandCheckOutput(a, "/v", assertVariables())
+                a -> assertCommandCheckOutput(a, "/vars", assertVariables())
         );
     }
 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/jdk/jshell/FailOverExecutionControlTest.java	Thu Jun 02 21:14:40 2016 +0000
@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) 2016, 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.
+ *
+ * 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.
+ */
+
+/*
+ * @test
+ * @bug 8131029
+ * @summary Test that fail-over works for FailOverExecutionControl
+ * @modules jdk.jshell/jdk.internal.jshell.jdi
+ *          jdk.jshell/jdk.jshell.spi
+ * @build KullaTesting ExecutionControlTestBase
+ * @run testng FailOverExecutionControlTest
+ */
+
+
+import java.util.Collection;
+import org.testng.annotations.Test;
+import org.testng.annotations.BeforeMethod;
+import jdk.internal.jshell.jdi.FailOverExecutionControl;
+import jdk.internal.jshell.jdi.JDIExecutionControl;
+import jdk.jshell.JShellException;
+import jdk.jshell.spi.ExecutionControl;
+import jdk.jshell.spi.ExecutionEnv;
+
+@Test
+public class FailOverExecutionControlTest extends ExecutionControlTestBase {
+
+    @BeforeMethod
+    @Override
+    public void setUp() {
+        setUp(new FailOverExecutionControl(
+                new AlwaysFailingExecutionControl(),
+                new AlwaysFailingExecutionControl(),
+                new JDIExecutionControl()));
+    }
+
+    class AlwaysFailingExecutionControl implements ExecutionControl {
+
+        @Override
+        public void start(ExecutionEnv env) throws Exception {
+            throw new UnsupportedOperationException("This operation intentionally broken.");
+        }
+
+        @Override
+        public void close() {
+            throw new UnsupportedOperationException("This operation intentionally broken.");
+        }
+
+        @Override
+        public boolean addToClasspath(String path) {
+            throw new UnsupportedOperationException("This operation intentionally broken.");
+        }
+
+        @Override
+        public String invoke(String classname, String methodname) throws JShellException {
+            throw new UnsupportedOperationException("This operation intentionally broken.");
+        }
+
+        @Override
+        public boolean load(Collection<String> classes) {
+            throw new UnsupportedOperationException("This operation intentionally broken.");
+        }
+
+        @Override
+        public boolean redefine(Collection<String> classes) {
+            throw new UnsupportedOperationException("This operation intentionally broken.");
+        }
+
+        @Override
+        public ClassStatus getClassStatus(String classname) {
+            throw new UnsupportedOperationException("This operation intentionally broken.");
+        }
+
+        @Override
+        public void stop() {
+            throw new UnsupportedOperationException("This operation intentionally broken.");
+        }
+
+        @Override
+        public String varValue(String classname, String varname) {
+            throw new UnsupportedOperationException("This operation intentionally broken.");
+        }
+
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/jdk/jshell/JDIListeningExecutionControlTest.java	Thu Jun 02 21:14:40 2016 +0000
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2016, 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.
+ *
+ * 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.
+ */
+
+/*
+ * @test
+ * @bug 8131029
+ * @summary Tests for alternate JDI connector -- listening
+ * @modules jdk.jshell/jdk.internal.jshell.jdi
+ * @build KullaTesting ExecutionControlTestBase
+ * @run testng JDIListeningExecutionControlTest
+ */
+
+
+import org.testng.annotations.Test;
+import org.testng.annotations.BeforeMethod;
+import jdk.internal.jshell.jdi.JDIExecutionControl;
+
+@Test
+public class JDIListeningExecutionControlTest extends ExecutionControlTestBase {
+
+    @BeforeMethod
+    @Override
+    public void setUp() {
+        setUp(new JDIExecutionControl(false));
+    }
+}
--- a/langtools/test/jdk/jshell/ToolBasicTest.java	Thu Jun 02 20:33:36 2016 +0000
+++ b/langtools/test/jdk/jshell/ToolBasicTest.java	Thu Jun 02 21:14:40 2016 +0000
@@ -560,6 +560,7 @@
         );
     }
 
+    @Test(enabled = false) // TODO 8158197
     public void testHeadlessEditPad() {
         String prevHeadless = System.getProperty("java.awt.headless");
         try {
--- a/langtools/test/jdk/jshell/ToolSimpleTest.java	Thu Jun 02 20:33:36 2016 +0000
+++ b/langtools/test/jdk/jshell/ToolSimpleTest.java	Thu Jun 02 21:14:40 2016 +0000
@@ -23,7 +23,7 @@
 
 /*
  * @test
- * @bug 8153716 8143955 8151754 8150382 8153920 8156910
+ * @bug 8153716 8143955 8151754 8150382 8153920 8156910 8131024
  * @summary Simple jshell tool tests
  * @modules jdk.compiler/com.sun.tools.javac.api
  *          jdk.compiler/com.sun.tools.javac.main
@@ -61,6 +61,16 @@
         );
     }
 
+    public void testOpenComment() {
+        test(
+                (a) -> assertCommand(a, "int z = /* blah", ""),
+                (a) -> assertCommand(a, "baz */ 5", "z ==> 5"),
+                (a) -> assertCommand(a, "/** hoge ", ""),
+                (a) -> assertCommand(a, "baz **/", ""),
+                (a) -> assertCommand(a, "int v", "v ==> 0")
+        );
+    }
+
     public void oneLineOfError() {
         test(
                 (a) -> assertCommand(a, "12+", null),
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/jdk/jshell/UserExecutionControlTest.java	Thu Jun 02 21:14:40 2016 +0000
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2016, 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.
+ *
+ * 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.
+ */
+
+/*
+ * @test
+ * @bug 8156101
+ * @summary Tests for ExecutionControl SPI
+ * @build KullaTesting LocalExecutionControl ExecutionControlTestBase
+ * @run testng UserExecutionControlTest
+ */
+
+
+import org.testng.annotations.Test;
+import static org.testng.Assert.assertEquals;
+import org.testng.annotations.BeforeMethod;
+
+@Test
+public class UserExecutionControlTest extends ExecutionControlTestBase {
+
+    @BeforeMethod
+    @Override
+    public void setUp() {
+        setUp(new LocalExecutionControl());
+    }
+
+    public void verifyLocal() throws ClassNotFoundException, NoSuchFieldException, IllegalArgumentException, IllegalAccessException {
+        System.setProperty("LOCAL_CHECK", "TBD");
+        assertEquals(System.getProperty("LOCAL_CHECK"), "TBD");
+        assertEval("System.setProperty(\"LOCAL_CHECK\", \"local\")");
+        assertEquals(System.getProperty("LOCAL_CHECK"), "local");
+    }
+
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/T8037947/CCEForFunctionalInterExtedingRawSuperInterTest.java	Thu Jun 02 21:14:40 2016 +0000
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2016, 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.
+ *
+ * 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.
+ */
+
+/*
+ * @test
+ * @bug 8037947
+ * @summary functional interface causes ClassCastException when extending raw superinterface
+ * @modules jdk.compiler/com.sun.tools.javac.util
+ * @compile CCEForFunctionalInterExtedingRawSuperInterTest.java
+ */
+
+public class CCEForFunctionalInterExtedingRawSuperInterTest {
+    interface X<A> { <T extends A> void execute(int a); }
+    interface Y<B> { <S extends B> void execute(int a); }
+
+    @FunctionalInterface
+    interface Exec<A> extends Y, X<A> { }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/annotations/8145489/T8145489.java	Thu Jun 02 21:14:40 2016 +0000
@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2016, 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.
+ *
+ * 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.
+ */
+
+/*
+ * @test
+ * @bug 8145489
+ * @summary NPE while compiling annotations with qualified names in package-info.java
+ * @compile foo/package-info.java
+ */
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/annotations/8145489/foo/Anno.java	Thu Jun 02 21:14:40 2016 +0000
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2016, 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 foo;
+
+public @interface Anno {
+    Class<?> clazz();
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/annotations/8145489/foo/Status.java	Thu Jun 02 21:14:40 2016 +0000
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2016, 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 foo;
+
+public class Status {
+    public class Inner { }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/annotations/8145489/foo/package-info.java	Thu Jun 02 21:14:40 2016 +0000
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2016, 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.
+ */
+
+@Anno(clazz = Status.Inner.class)
+package foo;
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/annotations/typeAnnotations/classfile/AnonymousExtendsTest.java	Thu Jun 02 21:14:40 2016 +0000
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2016, 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.
+ *
+ * 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.
+ */
+
+/*
+ * @test
+ * @bug 8146167
+ * @summary Anonymous type declarations drop supertype type parameter annotations
+ * @run main AnonymousExtendsTest
+ */
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+import java.lang.reflect.AnnotatedParameterizedType;
+import java.lang.reflect.AnnotatedType;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+@SuppressWarnings({ "javadoc", "serial" })
+public class AnonymousExtendsTest {
+
+    @Target(ElementType.TYPE_USE)
+    @Retention(RetentionPolicy.RUNTIME)
+    public @interface TA {
+        int value();
+    }
+
+    public class TestClass extends @TA(1) ArrayList<@TA(2) List<Number>> {
+    }
+
+    public void testIt() {
+        checkAnnotations(TestClass.class.getAnnotatedSuperclass(),
+              "[@AnonymousExtendsTest$TA(value=1)],[@AnonymousExtendsTest$TA(value=2)]");
+        checkAnnotations(new @TA(3) ArrayList<@TA(4) List<Number>>() {
+                         }.getClass().getAnnotatedSuperclass(),
+              "[@AnonymousExtendsTest$TA(value=3)],[@AnonymousExtendsTest$TA(value=4)]");
+    }
+
+    public void checkAnnotations(AnnotatedType type, String expected) {
+        String actual = Arrays.asList(((AnnotatedParameterizedType) type)
+                                      .getAnnotations())
+                                      .toString()
+                                       + "," +
+                        Arrays.asList(((AnnotatedParameterizedType) type)
+                                       .getAnnotatedActualTypeArguments()[0].getAnnotations())
+                                       .toString();
+
+        if (!actual.equals(expected))
+            throw new AssertionError("Unexpected annotations" + actual);
+    }
+
+    public static void main(String[] args) {
+        new AnonymousExtendsTest().testIt();
+    }
+}
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/diags/examples/ServiceImplMustBeSubtypeOfServiceIntf/module-info.java	Thu Jun 02 21:14:40 2016 +0000
@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2016, 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.
+ *
+ * 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.
+ */
+
+// key: compiler.err.service.implementation.must.be.subtype.of.service.interface
+// key: compiler.err.service.implementation.not.in.right.module
+
+module ServiceImplMustBeSubtypeOfServiceIntf {
+    provides java.lang.String with java.io.File;
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/generics/inference/8158355/T8158355.java	Thu Jun 02 21:14:40 2016 +0000
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2016, 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.
+ */
+
+/**
+ * @test
+ * @bug 8158355
+ * @summary Inference graph dot support broken
+ * @compile -XDdumpInferenceGraphsTo=. T8158355.java
+ */
+import java.util.List;
+
+class T8158355 {
+    <Z> List<Z> m() { return null; }
+
+    void test() {
+        List<String> ls = m();
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/modules/ObscureMessageForBadProvidesTest.java	Thu Jun 02 21:14:40 2016 +0000
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2016, 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.
+ *
+ * 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.
+ */
+
+/*
+ * @test
+ * @bug 8152062
+ * @summary obscure error message for bad 'provides'
+ * @library /tools/lib
+ * @modules
+ *      jdk.compiler/com.sun.tools.javac.api
+ *      jdk.compiler/com.sun.tools.javac.main
+ * @build toolbox.ToolBox toolbox.JavacTask ModuleTestBase
+ * @run main ObscureMessageForBadProvidesTest
+ */
+
+import java.nio.file.Path;
+
+import toolbox.JavacTask;
+import toolbox.Task;
+import toolbox.ToolBox;
+
+public class ObscureMessageForBadProvidesTest extends ModuleTestBase {
+    public static void main(String... args) throws Exception {
+        new ObscureMessageForBadProvidesTest().runTests();
+    }
+
+    @Test
+    public void theTest(Path base) throws Exception {
+        Path mod = base.resolve("mod");
+        tb.writeJavaFiles(mod, "module mod { provides java.lang.String with java.io.File; }");
+        Path classes = base.resolve("classes");
+        tb.createDirectories(classes);
+        String log = new JavacTask(tb)
+                .options("-XDrawDiagnostics")
+                .outdir(classes)
+                .files(findJavaFiles(mod))
+                .run(Task.Expect.FAIL)
+                .writeAll()
+                .getOutput(Task.OutputKind.DIRECT);
+
+        if (!log.startsWith("module-info.java:1:52: compiler.err.service.implementation.must.be.subtype.of.service.interface"))
+            throw new Exception("expected output not found");
+    }
+}
--- a/langtools/test/tools/javac/modules/ProvidesTest.java	Thu Jun 02 20:33:36 2016 +0000
+++ b/langtools/test/tools/javac/modules/ProvidesTest.java	Thu Jun 02 21:14:40 2016 +0000
@@ -143,8 +143,7 @@
         List<String> expected = Arrays.asList(
                 "C.java:1:36: compiler.err.cant.resolve.location: kindname.class, Missing, , , (compiler.misc.location: kindname.package, p, null)",
                 "module-info.java:1:22: compiler.err.cant.resolve.location: kindname.class, Missing, , , (compiler.misc.location: kindname.package, p, null)",
-                "module-info.java:1:37: compiler.err.service.implementation.doesnt.have.a.no.args.constructor: <any>",
-                "3 errors");
+                "2 errors");
         if (!output.containsAll(expected)) {
             throw new Exception("Expected output not found");
         }
@@ -192,8 +191,11 @@
                 .writeAll()
                 .getOutputLines(Task.OutputKind.DIRECT);
 
-        List<String> expected = Arrays.asList("module-info.java:1:31: compiler.err.prob.found.req: (compiler.misc.inconvertible.types: p.B, p.A)",
-                "1 error");
+        List<String> expected = Arrays.asList(
+                "module-info.java:1:31: compiler.err.service.implementation.must.be.subtype.of.service.interface",
+                "module-info.java:1:12: compiler.warn.service.provided.but.not.exported.or.used: p.A",
+                "1 error",
+                "1 warning");
         if (!output.containsAll(expected)) {
             throw new Exception("Expected output not found");
         }