# HG changeset patch
# User Christian Wimmer <christian.wimmer@oracle.com>
# Date 1328744201 28800
# Node ID ade4281b79c34e3c0f1bb26a9a11542f2fa534f0
# Parent  cf13124efdd9e80a2da534a3971f09199dfdb442
Remove obsolete CompilationObserver

diff -r cf13124efdd9 -r ade4281b79c3 graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/observer/CompilationEvent.java
--- a/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/observer/CompilationEvent.java	Wed Feb 08 15:35:21 2012 -0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,68 +0,0 @@
-/*
- * Copyright (c) 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.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-package com.oracle.max.graal.compiler.observer;
-
-import java.util.*;
-
-/**
- * An event that occurred during compilation. Instances of this class provide information about the event and the state
- * of the compilation when the event was raised. Depending on the state of the compiler and the compilation phase,
- * different types of objects are provided in the {@link #debugObjects}. The observer should filter events that it is
- * interested in by checking if an object of a specific type is provided by the event.
- */
-public class CompilationEvent {
-
-    /**
-     * Marker object for the {@link #debugObject} array: When this object is present, the event is the result of a compilation error.
-     */
-    public static final Object ERROR = new Object() {};
-
-    public final String label;
-    private List<Object> debugObjects;
-
-    protected CompilationEvent(String label, ArrayList<Object> debugObjects) {
-        this.label = label;
-        this.debugObjects = debugObjects;
-    }
-
-    @SuppressWarnings("unchecked")
-    public <T> T debugObject(Class<T> type) {
-        for (ListIterator<Object> iter = debugObjects.listIterator(debugObjects.size()); iter.hasPrevious();) {
-            Object o = iter.previous();
-            if (type.isInstance(o)) {
-                return (T) o;
-            }
-        }
-        return null;
-    }
-
-    public boolean hasDebugObject(Object search) {
-        for (ListIterator<Object> iter = debugObjects.listIterator(debugObjects.size()); iter.hasPrevious();) {
-            Object o = iter.previous();
-            if (o == search) {
-                return true;
-            }
-        }
-        return false;
-    }
-}
diff -r cf13124efdd9 -r ade4281b79c3 graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/observer/CompilationObserver.java
--- a/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/observer/CompilationObserver.java	Wed Feb 08 15:35:21 2012 -0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,54 +0,0 @@
-/*
- * Copyright (c) 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.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-package com.oracle.max.graal.compiler.observer;
-
-
-/**
- * Interface for classes that observe events of an {@link ObservableCompiler}.
- */
-public interface CompilationObserver {
-
-    /**
-     * Called when compilation of a method has started. This is always the first event raised for a particular
-     * method compilation.
-     *
-     * @param event Information associated with the event and current state of the compilation.
-     */
-    void compilationStarted(CompilationEvent event);
-
-    /**
-     * Called when an event has occurred, for example that a particular phase in the compilation has been entered.
-     *
-     * @param event Information associated with the event and current state of the compilation.
-     */
-    void compilationEvent(CompilationEvent event);
-
-    /**
-     * Called when compilation of a method has completed (successfully or not). This is always the last event raised for
-     * a particular method compilation.
-     *
-     * @param event Information associated with the event and current state of the compilation.
-     */
-    void compilationFinished(CompilationEvent event);
-
-}
diff -r cf13124efdd9 -r ade4281b79c3 graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/observer/ObservableContext.java
--- a/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/observer/ObservableContext.java	Wed Feb 08 15:35:21 2012 -0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,144 +0,0 @@
-/*
- * Copyright (c) 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.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-package com.oracle.max.graal.compiler.observer;
-
-import java.util.*;
-
-/**
- * Base class for compilers that notify subscribed {@link CompilationObserver CompilationObservers} of
- * {@link CompilationEvent CompilationEvents} that occur during their compilations.
- */
-public class ObservableContext {
-
-    private List<CompilationObserver> observers;
-
-    private ThreadLocal<StringBuilder> scopeName = new ThreadLocal<StringBuilder>() {
-        @Override
-        protected StringBuilder initialValue() {
-            return new StringBuilder();
-        }
-    };
-
-    private ThreadLocal<ArrayList<Object>> debugObjects = new ThreadLocal<ArrayList<Object>>() {
-        @Override
-        protected ArrayList<Object> initialValue() {
-            return new ArrayList<>();
-        }
-    };
-
-    /**
-     * @return {@code true} if one or more observers are subscribed to receive notifications from this compiler,
-     *         {@code false} otherwise.
-     */
-    public boolean isObserved() {
-        return observers != null;
-    }
-
-    /**
-     * Add the specified observer to receive events from this compiler.
-     *
-     * @param observer The observer to add.
-     */
-    public void addCompilationObserver(CompilationObserver observer) {
-        assert observer != null;
-
-        if (observers == null) {
-            observers = new LinkedList<>();
-        }
-        observers.add(observer);
-    }
-
-    public void fireCompilationStarted(Object... additionalDebugObjects) {
-        if (isObserved()) {
-            addDebugObjects(null, additionalDebugObjects);
-            CompilationEvent event = new CompilationEvent("started", debugObjects.get());
-            for (CompilationObserver observer : observers) {
-                observer.compilationStarted(event);
-            }
-            removeDebugObjects(null, additionalDebugObjects);
-        }
-    }
-
-    public void fireCompilationEvent(String label, Object... additionalDebugObjects) {
-        if (isObserved()) {
-            addDebugObjects(null, additionalDebugObjects);
-            CompilationEvent event = new CompilationEvent(label, debugObjects.get());
-            for (CompilationObserver observer : observers) {
-                observer.compilationEvent(event);
-            }
-            removeDebugObjects(null, additionalDebugObjects);
-        }
-    }
-
-    public void fireCompilationFinished(Object... additionalDebugObjects) {
-        if (isObserved()) {
-            addDebugObjects(null, additionalDebugObjects);
-            CompilationEvent event = new CompilationEvent("finished", debugObjects.get());
-            for (CompilationObserver observer : observers) {
-                observer.compilationFinished(event);
-            }
-            removeDebugObjects(null, additionalDebugObjects);
-        }
-    }
-
-    /**
-     * Remove the specified observer so that it no longer receives events from this compiler.
-     *
-     * @param observer The observer to remove.
-     */
-    public void removeCompilationObserver(CompilationObserver observer) {
-        if (observers != null) {
-            observers.remove(observer);
-            if (observers.size() == 0) {
-                observers = null;
-            }
-        }
-    }
-
-    public void clear() {
-        if (observers != null) {
-            observers = null;
-        }
-    }
-
-    public void addDebugObjects(String name, Object[] additionalDebugObjects) {
-        if (name != null) {
-            if (scopeName.get().length() > 0) {
-                scopeName.get().append('.');
-            }
-            scopeName.get().append(name);
-        }
-        for (Object obj : additionalDebugObjects) {
-            debugObjects.get().add(obj);
-        }
-    }
-
-    public void removeDebugObjects(String name, Object[] additionalDebugObjects) {
-        if (name != null) {
-            scopeName.get().setLength(Math.max(0, scopeName.get().length() - name.length()));
-        }
-        for (int i = 0; i < additionalDebugObjects.length; i++) {
-            debugObjects.get().remove(debugObjects.get().size() - 1);
-        }
-    }
-}
diff -r cf13124efdd9 -r ade4281b79c3 graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/observer/package-info.java
--- a/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/observer/package-info.java	Wed Feb 08 15:35:21 2012 -0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,27 +0,0 @@
-/*
- * Copyright (c) 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.
- *
- * 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.
- */
-
-/**
- * Classes and interfaces for observing compilations.
- */
-package com.oracle.max.graal.compiler.observer;