--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/GraalTruffleRuntime.java	Sun Jun 23 21:44:15 2013 +0200
@@ -0,0 +1,141 @@
+/*
+ * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * 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.graal.truffle;
+
+import static com.oracle.graal.truffle.TruffleCompilerOptions.*;
+
+import java.util.*;
+
+import com.oracle.graal.api.runtime.*;
+import com.oracle.graal.nodes.spi.*;
+import com.oracle.graal.truffle.substitutions.*;
+import com.oracle.truffle.api.*;
+import com.oracle.truffle.api.frame.*;
+import com.oracle.truffle.api.impl.*;
+import com.oracle.truffle.api.nodes.*;
+
+/**
+ * Implementation of the Truffle runtime when running on top of Graal.
+ */
+public final class GraalTruffleRuntime implements TruffleRuntime {
+
+    public static GraalTruffleRuntime makeInstance() {
+        return new GraalTruffleRuntime();
+    }
+
+    private TruffleCompiler truffleCompiler;
+    private ArrayList<String> includes;
+    private ArrayList<String> excludes;
+
+    private GraalTruffleRuntime() {
+        Replacements replacements = Graal.getRequiredCapability(Replacements.class);
+        replacements.registerSubstitutions(CompilerAssertsSubstitutions.class);
+        replacements.registerSubstitutions(CompilerDirectivesSubstitutions.class);
+        replacements.registerSubstitutions(ExactMathSubstitutions.class);
+        replacements.registerSubstitutions(UnexpectedResultExceptionSubstitutions.class);
+        replacements.registerSubstitutions(SlowPathExceptionSubstitutions.class);
+        replacements.registerSubstitutions(FrameWithoutBoxingSubstitutions.class);
+        replacements.registerSubstitutions(OptimizedAssumptionSubstitutions.class);
+        replacements.registerSubstitutions(OptimizedCallTargetSubstitutions.class);
+        replacements.registerSubstitutions(DefaultCallTargetSubstitutions.class);
+    }
+
+    public String getName() {
+        return "Graal Truffle Runtime";
+    }
+
+    public CallTarget createCallTarget(RootNode rootNode) {
+        return createCallTarget(rootNode, new FrameDescriptor());
+    }
+
+    @Override
+    public CallTarget createCallTarget(RootNode rootNode, FrameDescriptor frameDescriptor) {
+        if (!acceptForCompilation(rootNode)) {
+            return new DefaultCallTarget(rootNode, frameDescriptor);
+        }
+        if (truffleCompiler == null) {
+            truffleCompiler = new TruffleCompilerImpl();
+        }
+        return new OptimizedCallTarget(rootNode, frameDescriptor, truffleCompiler, TruffleCompilationThreshold.getValue(), TruffleInliningReprofileCount.getValue(),
+                        TruffleInvalidationReprofileCount.getValue());
+    }
+
+    @Override
+    public MaterializedFrame createMaterializedFrame(Arguments arguments) {
+        return createMaterializedFrame(arguments);
+    }
+
+    @Override
+    public MaterializedFrame createMaterializedFrame(Arguments arguments, FrameDescriptor frameDescriptor) {
+        return new FrameWithoutBoxing(frameDescriptor, null, arguments);
+    }
+
+    @Override
+    public Assumption createAssumption() {
+        return createAssumption(null);
+    }
+
+    @Override
+    public Assumption createAssumption(String name) {
+        return new OptimizedAssumption(name);
+    }
+
+    private boolean acceptForCompilation(RootNode rootNode) {
+        if (TruffleCompileOnly.getValue() != null) {
+            if (includes == null) {
+                parseCompileOnly();
+            }
+
+            String name = rootNode.toString();
+            boolean included = includes.isEmpty();
+            for (int i = 0; !included && i < includes.size(); i++) {
+                if (name.contains(includes.get(i))) {
+                    included = true;
+                }
+            }
+            if (!included) {
+                return false;
+            }
+            for (String exclude : excludes) {
+                if (name.contains(exclude)) {
+                    return false;
+                }
+            }
+        }
+        return true;
+    }
+
+    private void parseCompileOnly() {
+        includes = new ArrayList<>();
+        excludes = new ArrayList<>();
+
+        String[] items = TruffleCompileOnly.getValue().split(",");
+        for (String item : items) {
+            if (item.startsWith("~")) {
+                excludes.add(item.substring(1));
+            } else {
+                includes.add(item);
+            }
+        }
+    }
+}