feat(jdk8): move files to new folder to avoid resources compiled.

jdkSrc/jdk8/com/sun/tools/example/trace/EventThread.java

@@ -0,0 +1,353 @@
+/*
+ * Copyright (c) 2001, 2011, 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.
+ */
+
+/*
+ * This source code is provided to illustrate the usage of a given feature
+ * or technique and has been deliberately simplified. Additional steps
+ * required for a production-quality application, such as security checks,
+ * input validation and proper error handling, might not be present in
+ * this sample code.
+ */
+
+
+package com.sun.tools.example.trace;
+
+import com.sun.jdi.*;
+import com.sun.jdi.request.*;
+import com.sun.jdi.event.*;
+
+import java.util.*;
+import java.io.PrintWriter;
+
+/**
+ * This class processes incoming JDI events and displays them
+ *
+ * @author Robert Field
+ */
+public class EventThread extends Thread {
+
+    private final VirtualMachine vm;   // Running VM
+    private final String[] excludes;   // Packages to exclude
+    private final PrintWriter writer;  // Where output goes
+
+    static String nextBaseIndent = ""; // Starting indent for next thread
+
+    private boolean connected = true;  // Connected to VM
+    private boolean vmDied = true;     // VMDeath occurred
+
+    // Maps ThreadReference to ThreadTrace instances
+    private Map<ThreadReference, ThreadTrace> traceMap =
+       new HashMap<>();
+
+    EventThread(VirtualMachine vm, String[] excludes, PrintWriter writer) {
+        super("event-handler");
+        this.vm = vm;
+        this.excludes = excludes;
+        this.writer = writer;
+    }
+
+    /**
+     * Run the event handling thread.
+     * As long as we are connected, get event sets off
+     * the queue and dispatch the events within them.
+     */
+    @Override
+    public void run() {
+        EventQueue queue = vm.eventQueue();
+        while (connected) {
+            try {
+                EventSet eventSet = queue.remove();
+                EventIterator it = eventSet.eventIterator();
+                while (it.hasNext()) {
+                    handleEvent(it.nextEvent());
+                }
+                eventSet.resume();
+            } catch (InterruptedException exc) {
+                // Ignore
+            } catch (VMDisconnectedException discExc) {
+                handleDisconnectedException();
+                break;
+            }
+        }
+    }
+
+    /**
+     * Create the desired event requests, and enable
+     * them so that we will get events.
+     * @param excludes     Class patterns for which we don't want events
+     * @param watchFields  Do we want to watch assignments to fields
+     */
+    void setEventRequests(boolean watchFields) {
+        EventRequestManager mgr = vm.eventRequestManager();
+
+        // want all exceptions
+        ExceptionRequest excReq = mgr.createExceptionRequest(null,
+                                                             true, true);
+        // suspend so we can step
+        excReq.setSuspendPolicy(EventRequest.SUSPEND_ALL);
+        excReq.enable();
+
+        MethodEntryRequest menr = mgr.createMethodEntryRequest();
+        for (int i=0; i<excludes.length; ++i) {
+            menr.addClassExclusionFilter(excludes[i]);
+        }
+        menr.setSuspendPolicy(EventRequest.SUSPEND_NONE);
+        menr.enable();
+
+        MethodExitRequest mexr = mgr.createMethodExitRequest();
+        for (int i=0; i<excludes.length; ++i) {
+            mexr.addClassExclusionFilter(excludes[i]);
+        }
+        mexr.setSuspendPolicy(EventRequest.SUSPEND_NONE);
+        mexr.enable();
+
+        ThreadDeathRequest tdr = mgr.createThreadDeathRequest();
+        // Make sure we sync on thread death
+        tdr.setSuspendPolicy(EventRequest.SUSPEND_ALL);
+        tdr.enable();
+
+        if (watchFields) {
+            ClassPrepareRequest cpr = mgr.createClassPrepareRequest();
+            for (int i=0; i<excludes.length; ++i) {
+                cpr.addClassExclusionFilter(excludes[i]);
+            }
+            cpr.setSuspendPolicy(EventRequest.SUSPEND_ALL);
+            cpr.enable();
+        }
+    }
+
+    /**
+     * This class keeps context on events in one thread.
+     * In this implementation, context is the indentation prefix.
+     */
+    class ThreadTrace {
+        final ThreadReference thread;
+        final String baseIndent;
+        static final String threadDelta = "                     ";
+        StringBuffer indent;
+
+        ThreadTrace(ThreadReference thread) {
+            this.thread = thread;
+            this.baseIndent = nextBaseIndent;
+            indent = new StringBuffer(baseIndent);
+            nextBaseIndent += threadDelta;
+            println("====== " + thread.name() + " ======");
+        }
+
+        private void println(String str) {
+            writer.print(indent);
+            writer.println(str);
+        }
+
+        void methodEntryEvent(MethodEntryEvent event)  {
+            println(event.method().name() + "  --  "
+                    + event.method().declaringType().name());
+            indent.append("| ");
+        }
+
+        void methodExitEvent(MethodExitEvent event)  {
+            indent.setLength(indent.length()-2);
+        }
+
+        void fieldWatchEvent(ModificationWatchpointEvent event)  {
+            Field field = event.field();
+            Value value = event.valueToBe();
+            println("    " + field.name() + " = " + value);
+        }
+
+        void exceptionEvent(ExceptionEvent event) {
+            println("Exception: " + event.exception() +
+                    " catch: " + event.catchLocation());
+
+            // Step to the catch
+            EventRequestManager mgr = vm.eventRequestManager();
+            StepRequest req = mgr.createStepRequest(thread,
+                                                    StepRequest.STEP_MIN,
+                                                    StepRequest.STEP_INTO);
+            req.addCountFilter(1);  // next step only
+            req.setSuspendPolicy(EventRequest.SUSPEND_ALL);
+            req.enable();
+        }
+
+        // Step to exception catch
+        void stepEvent(StepEvent event)  {
+            // Adjust call depth
+            int cnt = 0;
+            indent = new StringBuffer(baseIndent);
+            try {
+                cnt = thread.frameCount();
+            } catch (IncompatibleThreadStateException exc) {
+            }
+            while (cnt-- > 0) {
+                indent.append("| ");
+            }
+
+            EventRequestManager mgr = vm.eventRequestManager();
+            mgr.deleteEventRequest(event.request());
+        }
+
+        void threadDeathEvent(ThreadDeathEvent event)  {
+            indent = new StringBuffer(baseIndent);
+            println("====== " + thread.name() + " end ======");
+        }
+    }
+
+    /**
+     * Returns the ThreadTrace instance for the specified thread,
+     * creating one if needed.
+     */
+    ThreadTrace threadTrace(ThreadReference thread) {
+        ThreadTrace trace = traceMap.get(thread);
+        if (trace == null) {
+            trace = new ThreadTrace(thread);
+            traceMap.put(thread, trace);
+        }
+        return trace;
+    }
+
+    /**
+     * Dispatch incoming events
+     */
+    private void handleEvent(Event event) {
+        if (event instanceof ExceptionEvent) {
+            exceptionEvent((ExceptionEvent)event);
+        } else if (event instanceof ModificationWatchpointEvent) {
+            fieldWatchEvent((ModificationWatchpointEvent)event);
+        } else if (event instanceof MethodEntryEvent) {
+            methodEntryEvent((MethodEntryEvent)event);
+        } else if (event instanceof MethodExitEvent) {
+            methodExitEvent((MethodExitEvent)event);
+        } else if (event instanceof StepEvent) {
+            stepEvent((StepEvent)event);
+        } else if (event instanceof ThreadDeathEvent) {
+            threadDeathEvent((ThreadDeathEvent)event);
+        } else if (event instanceof ClassPrepareEvent) {
+            classPrepareEvent((ClassPrepareEvent)event);
+        } else if (event instanceof VMStartEvent) {
+            vmStartEvent((VMStartEvent)event);
+        } else if (event instanceof VMDeathEvent) {
+            vmDeathEvent((VMDeathEvent)event);
+        } else if (event instanceof VMDisconnectEvent) {
+            vmDisconnectEvent((VMDisconnectEvent)event);
+        } else {
+            throw new Error("Unexpected event type");
+        }
+    }
+
+    /***
+     * 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.
+     */
+    synchronized void handleDisconnectedException() {
+        EventQueue queue = vm.eventQueue();
+        while (connected) {
+            try {
+                EventSet eventSet = queue.remove();
+                EventIterator iter = eventSet.eventIterator();
+                while (iter.hasNext()) {
+                    Event event = iter.nextEvent();
+                    if (event instanceof VMDeathEvent) {
+                        vmDeathEvent((VMDeathEvent)event);
+                    } else if (event instanceof VMDisconnectEvent) {
+                        vmDisconnectEvent((VMDisconnectEvent)event);
+                    }
+                }
+                eventSet.resume(); // Resume the VM
+            } catch (InterruptedException exc) {
+                // ignore
+            }
+        }
+    }
+
+    private void vmStartEvent(VMStartEvent event)  {
+         writer.println("-- VM Started --");
+    }
+
+    // Forward event for thread specific processing
+    private void methodEntryEvent(MethodEntryEvent event)  {
+         threadTrace(event.thread()).methodEntryEvent(event);
+    }
+
+    // Forward event for thread specific processing
+    private void methodExitEvent(MethodExitEvent event)  {
+         threadTrace(event.thread()).methodExitEvent(event);
+    }
+
+    // Forward event for thread specific processing
+    private void stepEvent(StepEvent event)  {
+         threadTrace(event.thread()).stepEvent(event);
+    }
+
+    // Forward event for thread specific processing
+    private void fieldWatchEvent(ModificationWatchpointEvent event)  {
+         threadTrace(event.thread()).fieldWatchEvent(event);
+    }
+
+    void threadDeathEvent(ThreadDeathEvent event)  {
+        ThreadTrace trace = traceMap.get(event.thread());
+        if (trace != null) {  // only want threads we care about
+            trace.threadDeathEvent(event);   // Forward event
+        }
+    }
+
+    /**
+     * A new class has been loaded.
+     * Set watchpoints on each of its fields
+     */
+    private void classPrepareEvent(ClassPrepareEvent event)  {
+        EventRequestManager mgr = vm.eventRequestManager();
+        List<Field> fields = event.referenceType().visibleFields();
+        for (Field field : fields) {
+            ModificationWatchpointRequest req =
+                     mgr.createModificationWatchpointRequest(field);
+            for (int i=0; i<excludes.length; ++i) {
+                req.addClassExclusionFilter(excludes[i]);
+            }
+            req.setSuspendPolicy(EventRequest.SUSPEND_NONE);
+            req.enable();
+        }
+    }
+
+    private void exceptionEvent(ExceptionEvent event) {
+        ThreadTrace trace = traceMap.get(event.thread());
+        if (trace != null) {  // only want threads we care about
+            trace.exceptionEvent(event);      // Forward event
+        }
+    }
+
+    public void vmDeathEvent(VMDeathEvent event) {
+        vmDied = true;
+        writer.println("-- The application exited --");
+    }
+
+    public void vmDisconnectEvent(VMDisconnectEvent event) {
+        connected = false;
+        if (!vmDied) {
+            writer.println("-- The application has been disconnected --");
+        }
+    }
+}

jdkSrc/jdk8/com/sun/tools/example/trace/StreamRedirectThread.java

@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2001, 2011, 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.
+ */
+
+/*
+ * This source code is provided to illustrate the usage of a given feature
+ * or technique and has been deliberately simplified. Additional steps
+ * required for a production-quality application, such as security checks,
+ * input validation and proper error handling, might not be present in
+ * this sample code.
+ */
+
+
+package com.sun.tools.example.trace;
+
+import java.io.*;
+
+/**
+ * StreamRedirectThread is a thread which copies it's input to
+ * it's output and terminates when it completes.
+ *
+ * @author Robert Field
+ */
+class StreamRedirectThread extends Thread {
+
+    private final Reader in;
+    private final Writer out;
+
+    private static final int BUFFER_SIZE = 2048;
+
+    /**
+     * Set up for copy.
+     * @param name  Name of the thread
+     * @param in    Stream to copy from
+     * @param out   Stream to copy to
+     */
+    StreamRedirectThread(String name, InputStream in, OutputStream out) {
+        super(name);
+        this.in = new InputStreamReader(in);
+        this.out = new OutputStreamWriter(out);
+        setPriority(Thread.MAX_PRIORITY-1);
+    }
+
+    /**
+     * Copy.
+     */
+    @Override
+    public void run() {
+        try {
+            char[] cbuf = new char[BUFFER_SIZE];
+            int count;
+            while ((count = in.read(cbuf, 0, BUFFER_SIZE)) >= 0) {
+                out.write(cbuf, 0, count);
+            }
+            out.flush();
+        } catch(IOException exc) {
+            System.err.println("Child I/O Transfer - " + exc);
+        }
+    }
+}

jdkSrc/jdk8/com/sun/tools/example/trace/Trace.java

@@ -0,0 +1,246 @@
+/*
+ * Copyright (c) 2001, 2011, 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.
+ */
+
+/*
+ * This source code is provided to illustrate the usage of a given feature
+ * or technique and has been deliberately simplified. Additional steps
+ * required for a production-quality application, such as security checks,
+ * input validation and proper error handling, might not be present in
+ * this sample code.
+ */
+
+
+package com.sun.tools.example.trace;
+
+import com.sun.jdi.VirtualMachine;
+import com.sun.jdi.Bootstrap;
+import com.sun.jdi.connect.*;
+
+import java.util.Map;
+import java.util.List;
+
+import java.io.PrintWriter;
+import java.io.FileWriter;
+import java.io.IOException;
+
+/**
+ * This program traces the execution of another program.
+ * See "java Trace -help".
+ * It is a simple example of the use of the Java Debug Interface.
+ *
+ * @author Robert Field
+ */
+public class Trace {
+
+    // Running remote VM
+    private final VirtualMachine vm;
+
+    // Thread transferring remote error stream to our error stream
+    private Thread errThread = null;
+
+    // Thread transferring remote output stream to our output stream
+    private Thread outThread = null;
+
+    // Mode for tracing the Trace program (default= 0 off)
+    private int debugTraceMode = 0;
+
+    //  Do we want to watch assignments to fields
+    private boolean watchFields = false;
+
+    // Class patterns for which we don't want events
+    private String[] excludes = {"java.*", "javax.*", "sun.*",
+                                 "com.sun.*"};
+
+    /**
+     * main
+     */
+    public static void main(String[] args) {
+        new Trace(args);
+    }
+
+    /**
+     * Parse the command line arguments.
+     * Launch target VM.
+     * Generate the trace.
+     */
+    Trace(String[] args) {
+        PrintWriter writer = new PrintWriter(System.out);
+        int inx;
+        for (inx = 0; inx < args.length; ++inx) {
+            String arg = args[inx];
+            if (arg.charAt(0) != '-') {
+                break;
+            }
+            if (arg.equals("-output")) {
+                try {
+                    writer = new PrintWriter(new FileWriter(args[++inx]));
+                } catch (IOException exc) {
+                    System.err.println("Cannot open output file: " + args[inx]
+                                       + " - " +  exc);
+                    System.exit(1);
+                }
+            } else if (arg.equals("-all")) {
+                excludes = new String[0];
+            } else if (arg.equals("-fields")) {
+                watchFields = true;
+            } else if (arg.equals("-dbgtrace")) {
+                debugTraceMode = Integer.parseInt(args[++inx]);
+            } else if (arg.equals("-help")) {
+                usage();
+                System.exit(0);
+            } else {
+                System.err.println("No option: " + arg);
+                usage();
+                System.exit(1);
+            }
+        }
+        if (inx >= args.length) {
+            System.err.println("<class> missing");
+            usage();
+            System.exit(1);
+        }
+        StringBuffer sb = new StringBuffer();
+        sb.append(args[inx]);
+        for (++inx; inx < args.length; ++inx) {
+            sb.append(' ');
+            sb.append(args[inx]);
+        }
+        vm = launchTarget(sb.toString());
+        generateTrace(writer);
+    }
+
+
+    /**
+     * Generate the trace.
+     * Enable events, start thread to display events,
+     * start threads to forward remote error and output streams,
+     * resume the remote VM, wait for the final event, and shutdown.
+     */
+    void generateTrace(PrintWriter writer) {
+        vm.setDebugTraceMode(debugTraceMode);
+        EventThread eventThread = new EventThread(vm, excludes, writer);
+        eventThread.setEventRequests(watchFields);
+        eventThread.start();
+        redirectOutput();
+        vm.resume();
+
+        // Shutdown begins when event thread terminates
+        try {
+            eventThread.join();
+            errThread.join(); // Make sure output is forwarded
+            outThread.join(); // before we exit
+        } catch (InterruptedException exc) {
+            // we don't interrupt
+        }
+        writer.close();
+    }
+
+    /**
+     * Launch target VM.
+     * Forward target's output and error.
+     */
+    VirtualMachine launchTarget(String mainArgs) {
+        LaunchingConnector connector = findLaunchingConnector();
+        Map<String, Connector.Argument> arguments =
+           connectorArguments(connector, mainArgs);
+        try {
+            return connector.launch(arguments);
+        } catch (IOException exc) {
+            throw new Error("Unable to launch target VM: " + exc);
+        } catch (IllegalConnectorArgumentsException exc) {
+            throw new Error("Internal error: " + exc);
+        } catch (VMStartException exc) {
+            throw new Error("Target VM failed to initialize: " +
+                            exc.getMessage());
+        }
+    }
+
+    void redirectOutput() {
+        Process process = vm.process();
+
+        // Copy target's output and error to our output and error.
+        errThread = new StreamRedirectThread("error reader",
+                                             process.getErrorStream(),
+                                             System.err);
+        outThread = new StreamRedirectThread("output reader",
+                                             process.getInputStream(),
+                                             System.out);
+        errThread.start();
+        outThread.start();
+    }
+
+    /**
+     * Find a com.sun.jdi.CommandLineLaunch connector
+     */
+    LaunchingConnector findLaunchingConnector() {
+        List<Connector> connectors = Bootstrap.virtualMachineManager().allConnectors();
+        for (Connector connector : connectors) {
+            if (connector.name().equals("com.sun.jdi.CommandLineLaunch")) {
+                return (LaunchingConnector)connector;
+            }
+        }
+        throw new Error("No launching connector");
+    }
+
+    /**
+     * Return the launching connector's arguments.
+     */
+    Map<String, Connector.Argument> connectorArguments(LaunchingConnector connector, String mainArgs) {
+        Map<String, Connector.Argument> arguments = connector.defaultArguments();
+        Connector.Argument mainArg =
+                           (Connector.Argument)arguments.get("main");
+        if (mainArg == null) {
+            throw new Error("Bad launching connector");
+        }
+        mainArg.setValue(mainArgs);
+
+        if (watchFields) {
+            // We need a VM that supports watchpoints
+            Connector.Argument optionArg =
+                (Connector.Argument)arguments.get("options");
+            if (optionArg == null) {
+                throw new Error("Bad launching connector");
+            }
+            optionArg.setValue("-classic");
+        }
+        return arguments;
+    }
+
+    /**
+     * Print command line usage help
+     */
+    void usage() {
+        System.err.println("Usage: java Trace <options> <class> <args>");
+        System.err.println("<options> are:");
+        System.err.println(
+"  -output <filename>   Output trace to <filename>");
+        System.err.println(
+"  -all                 Include system classes in output");
+        System.err.println(
+"  -help                Print this help message");
+        System.err.println("<class> is the program to trace");
+        System.err.println("<args> are the arguments to <class>");
+    }
+}