# HG changeset patch
# User Matthias Grimmer <grimmer@ssw.jku.at>
# Date 1419332168 -3600
# Node ID 5294b624e2f0bf51494e221f279e13c2909175be
# Parent  fadb4e5d0f03f9b9873fbd63139aede11b16bcc1
Interop: add interface

diff -r fadb4e5d0f03 -r 5294b624e2f0 graal/com.oracle.truffle.api.interop/src/com/oracle/truffle/api/interop/ForeignAccessFactory.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.truffle.api.interop/src/com/oracle/truffle/api/interop/ForeignAccessFactory.java	Tue Dec 23 11:56:08 2014 +0100
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2014, 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 com.oracle.truffle.api.interop;
+
+import com.oracle.truffle.api.*;
+import com.oracle.truffle.api.interop.messages.*;
+
+public interface ForeignAccessFactory {
+
+    InteropPredicate getLanguageCheck();
+
+    CallTarget getAccess(Message tree);
+
+}
diff -r fadb4e5d0f03 -r 5294b624e2f0 graal/com.oracle.truffle.api.interop/src/com/oracle/truffle/api/interop/InteropPredicate.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.truffle.api.interop/src/com/oracle/truffle/api/interop/InteropPredicate.java	Tue Dec 23 11:56:08 2014 +0100
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2014, 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 com.oracle.truffle.api.interop;
+
+//TODO(mg): remove this interface and use java.util.function.Predicate once api.interop can use Java 8
+
+public interface InteropPredicate {
+    boolean test(Object object);
+}
diff -r fadb4e5d0f03 -r 5294b624e2f0 graal/com.oracle.truffle.api.interop/src/com/oracle/truffle/api/interop/TruffleObject.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.truffle.api.interop/src/com/oracle/truffle/api/interop/TruffleObject.java	Tue Dec 23 11:56:08 2014 +0100
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2014, 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 com.oracle.truffle.api.interop;
+
+/**
+ * Interface for Truffle guest language implementations that can be shared across other language
+ * implementations.
+ */
+public interface TruffleObject {
+    ForeignAccessFactory getForeignAccessFactory();
+}
diff -r fadb4e5d0f03 -r 5294b624e2f0 graal/com.oracle.truffle.api.interop/src/com/oracle/truffle/api/interop/exception/AccessException.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.truffle.api.interop/src/com/oracle/truffle/api/interop/exception/AccessException.java	Tue Dec 23 11:56:08 2014 +0100
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2014, 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 com.oracle.truffle.api.interop.exception;
+
+/**
+ * An exception thrown if the receiver of a guest language implementation cannot resolve an access.
+ */
+public final class AccessException extends RuntimeException {
+
+    private static final long serialVersionUID = -2014660135608964970L;
+
+    public AccessException(String reason) {
+        super(reason);
+    }
+
+}
diff -r fadb4e5d0f03 -r 5294b624e2f0 graal/com.oracle.truffle.api.interop/src/com/oracle/truffle/api/interop/exception/TypeException.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.truffle.api.interop/src/com/oracle/truffle/api/interop/exception/TypeException.java	Tue Dec 23 11:56:08 2014 +0100
@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2014, 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 com.oracle.truffle.api.interop.exception;
+
+public class TypeException extends RuntimeException {
+
+    private static final long serialVersionUID = 5786411886196161509L;
+
+    public TypeException(String reason) {
+        super(reason);
+    }
+}
diff -r fadb4e5d0f03 -r 5294b624e2f0 graal/com.oracle.truffle.api.interop/src/com/oracle/truffle/api/interop/messages/Message.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.truffle.api.interop/src/com/oracle/truffle/api/interop/messages/Message.java	Tue Dec 23 11:56:08 2014 +0100
@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2014, 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 com.oracle.truffle.api.interop.messages;
+
+public interface Message {
+    boolean matchStructure(Object message);
+}
diff -r fadb4e5d0f03 -r 5294b624e2f0 mx/suite.py
--- a/mx/suite.py	Mon Dec 22 18:34:00 2014 +0100
+++ b/mx/suite.py	Tue Dec 23 11:56:08 2014 +0100
@@ -1146,10 +1146,19 @@
       "workingSets" : "Truffle,Codegen",
     },
 
+    "com.oracle.truffle.api.interop" : {
+      "subDir" : "graal",
+      "sourceDirs" : ["src"],
+      "dependencies" : ["com.oracle.truffle.api"],
+      "checkstyle" : "com.oracle.truffle.api",
+      "javaCompliance" : "1.7",
+      "workingSets" : "API,Truffle",
+    },
+
     "com.oracle.truffle.api.object" : {
       "subDir" : "graal",
       "sourceDirs" : ["src"],
-      "dependencies" : ["com.oracle.truffle.api"],
+      "dependencies" : ["com.oracle.truffle.api.interop"],
       "checkstyle" : "com.oracle.truffle.api",
       "javaCompliance" : "1.7",
       "workingSets" : "API,Truffle",