--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/truffle/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/ExecuteEvaluatedTest.java	Wed Jun 17 10:58:08 2015 +0200
@@ -0,0 +1,337 @@
+/*
+ * Copyright (c) 2012, 2012, 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.truffle.api.dsl.test;
+
+import org.junit.*;
+
+import com.oracle.truffle.api.*;
+import com.oracle.truffle.api.dsl.*;
+import com.oracle.truffle.api.dsl.test.ExecuteEvaluatedTestFactory.DoubleEvaluatedNodeFactory;
+import com.oracle.truffle.api.dsl.test.ExecuteEvaluatedTestFactory.EvaluatedNodeFactory;
+import com.oracle.truffle.api.dsl.test.ExecuteEvaluatedTestFactory.TestEvaluatedGenerationFactory;
+import com.oracle.truffle.api.dsl.test.ExecuteEvaluatedTestFactory.TestEvaluatedVarArgs0Factory;
+import com.oracle.truffle.api.dsl.test.ExecuteEvaluatedTestFactory.TestEvaluatedVarArgs1Factory;
+import com.oracle.truffle.api.dsl.test.ExecuteEvaluatedTestFactory.TestEvaluatedVarArgs2Factory;
+import com.oracle.truffle.api.dsl.test.ExecuteEvaluatedTestFactory.TestEvaluatedVarArgs3Factory;
+import com.oracle.truffle.api.dsl.test.ExecuteEvaluatedTestFactory.TestEvaluatedVarArgs4Factory;
+import com.oracle.truffle.api.dsl.test.ExecuteEvaluatedTestFactory.TestEvaluatedVarArgs5Factory;
+import com.oracle.truffle.api.dsl.test.ExecuteEvaluatedTestFactory.UseDoubleEvaluated1NodeFactory;
+import com.oracle.truffle.api.dsl.test.ExecuteEvaluatedTestFactory.UseDoubleEvaluated2NodeFactory;
+import com.oracle.truffle.api.dsl.test.ExecuteEvaluatedTestFactory.UseEvaluatedNodeFactory;
+import com.oracle.truffle.api.dsl.test.TypeSystemTest.ArgumentNode;
+import com.oracle.truffle.api.dsl.test.TypeSystemTest.ChildrenNode;
+import com.oracle.truffle.api.dsl.test.TypeSystemTest.TestRootNode;
+import com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode;
+import com.oracle.truffle.api.frame.*;
+import com.oracle.truffle.api.nodes.*;
+
+public class ExecuteEvaluatedTest {
+
+    @Test
+    public void testSingleEvaluated() {
+        ArgumentNode arg0 = new ArgumentNode(0);
+        CallTarget callTarget = TestHelper.createCallTarget(UseEvaluatedNodeFactory.create(arg0, EvaluatedNodeFactory.create(null)));
+
+        Assert.assertEquals(43, callTarget.call(new Object[]{42}));
+        Assert.assertEquals(1, arg0.getInvocationCount());
+    }
+
+    @NodeChild("exp")
+    abstract static class EvaluatedNode extends ValueNode {
+
+        @Specialization
+        int doExecuteWith(int exp) {
+            return exp + 1;
+        }
+
+        public abstract Object executeEvaluated(VirtualFrame frame, Object targetValue);
+
+        public abstract int executeIntEvaluated(VirtualFrame frame, Object targetValue) throws UnexpectedResultException;
+    }
+
+    @NodeChildren({@NodeChild("exp0"), @NodeChild(value = "exp1", type = EvaluatedNode.class, executeWith = "exp0")})
+    abstract static class UseEvaluatedNode extends ValueNode {
+
+        @Specialization
+        int call(int exp0, int exp1) {
+            Assert.assertEquals(exp0 + 1, exp1);
+            return exp1;
+        }
+    }
+
+    @Test
+    public void testDoubleEvaluated1() {
+        ArgumentNode arg0 = new ArgumentNode(0);
+        ArgumentNode arg1 = new ArgumentNode(1);
+        CallTarget callTarget = TestHelper.createCallTarget(UseDoubleEvaluated1NodeFactory.create(arg0, arg1, DoubleEvaluatedNodeFactory.create(null, null)));
+
+        Assert.assertEquals(42, callTarget.call(new Object[]{43, 1}));
+        Assert.assertEquals(1, arg0.getInvocationCount());
+        Assert.assertEquals(1, arg1.getInvocationCount());
+    }
+
+    @NodeChildren({@NodeChild("exp0"), @NodeChild("exp1")})
+    abstract static class DoubleEvaluatedNode extends ValueNode {
+
+        @Specialization
+        int doExecuteWith(int exp0, int exp1) {
+            return exp0 - exp1;
+        }
+
+        public abstract Object executeEvaluated(VirtualFrame frame, Object exp0, Object exp1);
+
+        public abstract int executeIntEvaluated(VirtualFrame frame, Object exp0, Object exp1) throws UnexpectedResultException;
+    }
+
+    @NodeChildren({@NodeChild("exp0"), @NodeChild("exp1"), @NodeChild(value = "exp2", type = DoubleEvaluatedNode.class, executeWith = {"exp0", "exp1"})})
+    abstract static class UseDoubleEvaluated1Node extends ValueNode {
+
+        @Specialization
+        int call(int exp0, int exp1, int exp2) {
+            Assert.assertEquals(exp0 - exp1, exp2);
+            return exp2;
+        }
+    }
+
+    @Test
+    public void testDoubleEvaluated2() {
+        ArgumentNode arg0 = new ArgumentNode(0);
+        ArgumentNode arg1 = new ArgumentNode(1);
+        CallTarget callTarget = TestHelper.createCallTarget(UseDoubleEvaluated2NodeFactory.create(arg0, arg1, DoubleEvaluatedNodeFactory.create(null, null)));
+
+        Assert.assertEquals(42, callTarget.call(new Object[]{1, 43}));
+        Assert.assertEquals(1, arg0.getInvocationCount());
+        Assert.assertEquals(1, arg1.getInvocationCount());
+    }
+
+    @NodeChildren({@NodeChild("exp0"), @NodeChild("exp1"), @NodeChild(value = "exp2", type = DoubleEvaluatedNode.class, executeWith = {"exp1", "exp0"})})
+    abstract static class UseDoubleEvaluated2Node extends ValueNode {
+
+        @Specialization
+        int call(int exp0, int exp1, int exp2) {
+            Assert.assertEquals(exp1 - exp0, exp2);
+            return exp2;
+        }
+    }
+
+    @Test
+    public void testEvaluatedGeneration() throws UnexpectedResultException {
+        TestRootNode<TestEvaluatedGeneration> root = TestHelper.createRoot(TestEvaluatedGenerationFactory.getInstance());
+
+        Assert.assertEquals(42, root.getNode().executeEvaluated1(null, 42));
+        Assert.assertEquals(42, root.getNode().executeEvaluated2(null, 42));
+        Assert.assertEquals(42, root.getNode().executeEvaluated3(null, 42));
+        Assert.assertEquals(42, root.getNode().executeEvaluated4(null, 42));
+    }
+
+    @NodeChildren({@NodeChild("exp0")})
+    abstract static class TestEvaluatedGeneration extends ValueNode {
+
+        public abstract Object executeEvaluated1(VirtualFrame frame, Object value);
+
+        public abstract Object executeEvaluated2(VirtualFrame frame, int value);
+
+        public abstract int executeEvaluated3(VirtualFrame frame, Object value) throws UnexpectedResultException;
+
+        public abstract int executeEvaluated4(VirtualFrame frame, int value) throws UnexpectedResultException;
+
+        @Specialization
+        int call(int exp0) {
+            return exp0;
+        }
+    }
+
+    @Test
+    public void test0VarArgs1() {
+        TestRootNode<TestEvaluatedVarArgs0> root = TestHelper.createRoot(TestEvaluatedVarArgs0Factory.getInstance());
+        Assert.assertEquals(42, root.getNode().execute1(null));
+    }
+
+    abstract static class TestEvaluatedVarArgs0 extends ChildrenNode {
+
+        @Override
+        public final Object execute(VirtualFrame frame) {
+            return execute1(frame);
+        }
+
+        public abstract Object execute1(VirtualFrame frame, Object... value);
+
+        @Specialization
+        int call() {
+            return 42;
+        }
+    }
+
+    @Test
+    public void test1VarArgs1() {
+        TestRootNode<TestEvaluatedVarArgs1> root = TestHelper.createRoot(TestEvaluatedVarArgs1Factory.getInstance());
+        Assert.assertEquals(42, root.getNode().execute1(null, 42));
+    }
+
+    @Test(expected = Throwable.class)
+    public void test1VarArgs2() {
+        TestRootNode<TestEvaluatedVarArgs2> root = TestHelper.createRoot(TestEvaluatedVarArgs2Factory.getInstance());
+        root.getNode().execute1(null);
+    }
+
+    abstract static class TestEvaluatedVarArgs1 extends ChildrenNode {
+
+        public abstract Object execute1(VirtualFrame frame, Object... value);
+
+        @Specialization
+        int call(int exp0) {
+            return exp0;
+        }
+    }
+
+    @Test
+    public void test2VarArgs1() {
+        TestRootNode<TestEvaluatedVarArgs2> root = TestHelper.createRoot(TestEvaluatedVarArgs2Factory.getInstance());
+        Assert.assertEquals(42, root.getNode().execute1(null, 21, 21));
+    }
+
+    @Test(expected = Throwable.class)
+    public void test2VarArgs2() {
+        TestRootNode<TestEvaluatedVarArgs2> root = TestHelper.createRoot(TestEvaluatedVarArgs2Factory.getInstance());
+        root.getNode().execute1(null, 42);
+    }
+
+    @Test(expected = Throwable.class)
+    public void test2VarArgs3() {
+        TestRootNode<TestEvaluatedVarArgs2> root = TestHelper.createRoot(TestEvaluatedVarArgs2Factory.getInstance());
+        root.getNode().execute1(null);
+    }
+
+    abstract static class TestEvaluatedVarArgs2 extends ChildrenNode {
+
+        public abstract Object execute1(VirtualFrame frame, Object... value);
+
+        @Specialization
+        int call(int exp0, int exp1) {
+            return exp0 + exp1;
+        }
+    }
+
+    @Test
+    public void test3VarArgs1() {
+        TestRootNode<TestEvaluatedVarArgs3> root = TestHelper.createRoot(TestEvaluatedVarArgs3Factory.getInstance());
+        Assert.assertEquals(42, root.getNode().execute1(null, 42));
+    }
+
+    @NodeChild
+    abstract static class TestEvaluatedVarArgs3 extends ValueNode {
+
+        public abstract Object execute1(VirtualFrame frame, Object... value);
+
+        @Specialization
+        int call(int exp0) {
+            return exp0;
+        }
+    }
+
+    @Test
+    public void test4VarArgs1() {
+        TestRootNode<TestEvaluatedVarArgs4> root = TestHelper.createRoot(TestEvaluatedVarArgs4Factory.getInstance());
+        Assert.assertEquals(42, root.getNode().execute1(null, 21, 21));
+    }
+
+    @NodeChildren({@NodeChild, @NodeChild})
+    abstract static class TestEvaluatedVarArgs4 extends ValueNode {
+
+        public abstract Object execute1(VirtualFrame frame, Object... value);
+
+        @Specialization
+        int call(int exp0, int exp1) {
+            return exp0 + exp1;
+        }
+    }
+
+    @Test
+    public void test5VarArgs1() {
+        TestRootNode<TestEvaluatedVarArgs5> root = TestHelper.createRoot(TestEvaluatedVarArgs5Factory.getInstance());
+        Assert.assertEquals(42, root.getNode().execute1(null));
+    }
+
+    abstract static class TestEvaluatedVarArgs5 extends ValueNode {
+
+        @Override
+        public final Object execute(VirtualFrame frame) {
+            return execute1(frame);
+        }
+
+        public abstract Object execute1(VirtualFrame frame, Object... value);
+
+        @Specialization
+        int call() {
+            return 42;
+        }
+    }
+
+    @SuppressWarnings("unused")
+    @NodeChildren({@NodeChild(value = "a", type = ValueNode.class), @NodeChild(value = "b", type = ValueNode.class)})
+    abstract static class TestEvaluatedShortCircuit1 extends Node {
+
+        public abstract Object execute1(VirtualFrame frame, Object value);
+
+        public abstract Object execute2(VirtualFrame frame, Object value, boolean hasB);
+
+        public abstract Object execute3(VirtualFrame frame, Object value, boolean hasB, Object b);
+
+        @ShortCircuit("b")
+        public boolean needsB(Object a) {
+            return true;
+        }
+
+        @Specialization
+        int call(Object a, boolean hasB, Object b) {
+            return 42;
+        }
+    }
+
+    @SuppressWarnings("unused")
+    @NodeChildren({@NodeChild(value = "a", type = ValueNode.class), @NodeChild(value = "b", type = ValueNode.class)})
+    abstract static class TestEvaluatedShortCircuit2 extends Node {
+
+        public abstract Object execute1(VirtualFrame frame, Object value);
+
+        public abstract Object execute2(VirtualFrame frame, Object value, boolean hasB);
+
+        public abstract Object execute3(VirtualFrame frame, Object value, boolean hasB, Object b);
+
+        @ShortCircuit("b")
+        public boolean needsB(Object a) {
+            return true;
+        }
+
+        @Specialization
+        int call(int a, boolean hasB, int b) {
+            return 42;
+        }
+
+        @Specialization
+        int call(Object a, boolean hasB, Object b) {
+            return 42;
+        }
+    }
+
+}