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/*
* Copyright (c) 2012, 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.truffle.api.dsl.test;
import static com.oracle.truffle.api.dsl.test.examples.ExampleNode.createArguments;
import java.util.concurrent.locks.ReentrantLock;
import org.junit.Assert;
import org.junit.Test;
import com.oracle.truffle.api.CallTarget;
import com.oracle.truffle.api.Truffle;
import com.oracle.truffle.api.dsl.Cached;
import com.oracle.truffle.api.dsl.ImplicitCast;
import com.oracle.truffle.api.dsl.NodeChild;
import com.oracle.truffle.api.dsl.NodeChildren;
import com.oracle.truffle.api.dsl.Specialization;
import com.oracle.truffle.api.dsl.TypeSystem;
import com.oracle.truffle.api.dsl.TypeSystemReference;
import com.oracle.truffle.api.dsl.UnsupportedSpecializationException;
import com.oracle.truffle.api.dsl.test.ImplicitCastTestFactory.ExecuteChildWithImplicitCast1NodeGen;
import com.oracle.truffle.api.dsl.test.ImplicitCastTestFactory.ImplicitCast0NodeFactory;
import com.oracle.truffle.api.dsl.test.ImplicitCastTestFactory.ImplicitCast1NodeFactory;
import com.oracle.truffle.api.dsl.test.ImplicitCastTestFactory.ImplicitCast2NodeFactory;
import com.oracle.truffle.api.dsl.test.ImplicitCastTestFactory.ImplicitCast3NodeGen;
import com.oracle.truffle.api.dsl.test.ImplicitCastTestFactory.ImplicitCast4NodeFactory;
import com.oracle.truffle.api.dsl.test.ImplicitCastTestFactory.ImplicitCast5NodeFactory;
import com.oracle.truffle.api.dsl.test.ImplicitCastTestFactory.ImplicitCastExecuteNodeGen;
import com.oracle.truffle.api.dsl.test.ImplicitCastTestFactory.StringEquals1NodeGen;
import com.oracle.truffle.api.dsl.test.ImplicitCastTestFactory.StringEquals2NodeGen;
import com.oracle.truffle.api.dsl.test.ImplicitCastTestFactory.StringEquals3NodeGen;
import com.oracle.truffle.api.dsl.test.ImplicitCastTestFactory.TestImplicitCastWithCacheNodeGen;
import com.oracle.truffle.api.dsl.test.TypeSystemTest.TestRootNode;
import com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode;
import com.oracle.truffle.api.dsl.test.examples.ExampleNode;
import com.oracle.truffle.api.dsl.test.examples.ExampleNode.ExampleArgumentNode;
import com.oracle.truffle.api.frame.FrameDescriptor;
import com.oracle.truffle.api.frame.VirtualFrame;
import com.oracle.truffle.api.nodes.Node;
import com.oracle.truffle.api.nodes.UnexpectedResultException;
public class ImplicitCastTest {
@TypeSystem({int.class, String.class, boolean.class})
static class ImplicitCast0Types {
@ImplicitCast
static boolean castInt(int intvalue) {
return intvalue == 1 ? true : false;
}
@ImplicitCast
static boolean castString(String strvalue) {
return strvalue.equals("1");
}
}
private static int charSequenceCast;
@TypeSystem
static class ImplicitCast1Types {
@ImplicitCast
static CharSequence castCharSequence(String strvalue) {
charSequenceCast++;
return strvalue;
}
}
@TypeSystemReference(ImplicitCast0Types.class)
@NodeChild(value = "operand", type = ImplicitCast0Node.class)
abstract static class ImplicitCast0Node extends ValueNode {
public abstract Object executeEvaluated(VirtualFrame frame, Object value2);
@Specialization
public String op1(String value) {
return value;
}
@Specialization
public boolean op1(boolean value) {
return value;
}
}
@Test
public void testImplicitCast0() {
ImplicitCast0Node node = ImplicitCast0NodeFactory.create(null);
TestRootNode root = new TestRootNode<>(node);
root.adoptChildren();
Assert.assertEquals("2", root.getNode().executeEvaluated(null, "2"));
Assert.assertEquals(true, root.getNode().executeEvaluated(null, 1));
Assert.assertEquals("1", root.getNode().executeEvaluated(null, "1"));
Assert.assertEquals(true, root.getNode().executeEvaluated(null, 1));
Assert.assertEquals(true, root.getNode().executeEvaluated(null, true));
}
@TypeSystemReference(ImplicitCast0Types.class)
@NodeChild(value = "operand", type = ImplicitCast1Node.class)
abstract static class ImplicitCast1Node extends ValueNode {
public abstract Object executeEvaluated(VirtualFrame frame, Object operand);
@Specialization
public String op0(String value) {
return value;
}
@Specialization(rewriteOn = RuntimeException.class)
public boolean op1(@SuppressWarnings("unused") boolean value) throws RuntimeException {
throw new RuntimeException();
}
@Specialization(replaces = "op1")
public boolean op2(boolean value) {
return value;
}
}
@Test
public void testImplicitCast1() {
ImplicitCast1Node node = ImplicitCast1NodeFactory.create(null);
TestRootNode root = new TestRootNode<>(node);
root.adoptChildren();
Assert.assertEquals("2", root.getNode().executeEvaluated(null, "2"));
Assert.assertEquals(true, root.getNode().executeEvaluated(null, 1));
Assert.assertEquals("1", root.getNode().executeEvaluated(null, "1"));
Assert.assertEquals(true, root.getNode().executeEvaluated(null, 1));
Assert.assertEquals(true, root.getNode().executeEvaluated(null, true));
}
@TypeSystemReference(ImplicitCast0Types.class)
@NodeChildren({@NodeChild(value = "operand0", type = ImplicitCast2Node.class), @NodeChild(value = "operand1", type = ImplicitCast2Node.class, executeWith = "operand0")})
// TODO temporary workaround
abstract static class ImplicitCast2Node extends ValueNode {
@Specialization
public String op0(String v0, String v1) {
return v0 + v1;
}
@SuppressWarnings("unused")
@Specialization(rewriteOn = RuntimeException.class)
public boolean op1(boolean v0, boolean v1) throws RuntimeException {
throw new RuntimeException();
}
@Specialization(replaces = "op1")
public boolean op2(boolean v0, boolean v1) {
return v0 && v1;
}
public abstract Object executeEvaluated(VirtualFrame frame, Object v1);
public abstract Object executeEvaluated(VirtualFrame frame, Object v1, Object v2);
public abstract Object executeEvaluated(VirtualFrame frame, boolean v1, boolean v2);
}
@Test
public void testImplicitCast2() {
ImplicitCast2Node node = ImplicitCast2NodeFactory.create(null, null);
TestRootNode root = new TestRootNode<>(node);
root.adoptChildren();
Assert.assertEquals("42", root.getNode().executeEvaluated(null, "4", "2"));
Assert.assertEquals(true, root.getNode().executeEvaluated(null, 1, 1));
Assert.assertEquals("42", root.getNode().executeEvaluated(null, "4", "2"));
Assert.assertEquals(true, root.getNode().executeEvaluated(null, 1, 1));
Assert.assertEquals(true, root.getNode().executeEvaluated(null, true, true));
}
@TypeSystemReference(ImplicitCast1Types.class)
abstract static class ImplicitCast3Node extends Node {
@Specialization
public CharSequence op0(CharSequence v0, @SuppressWarnings("unused") CharSequence v1) {
return v0;
}
public abstract Object executeEvaluated(CharSequence v1, CharSequence v2);
}
@Test
public void testImplicitCast3() {
ImplicitCast3Node node = ImplicitCast3NodeGen.create();
CharSequence seq1 = "foo";
CharSequence seq2 = "bar";
charSequenceCast = 0;
node.executeEvaluated(seq1, seq2);
Assert.assertEquals(2, charSequenceCast);
}
@TypeSystem
static class ImplicitCast3Types {
@ImplicitCast
static long castLong(int intValue) {
return intValue;
}
@ImplicitCast
static long castLong(boolean intValue) {
return intValue ? 1 : 0;
}
}
@NodeChild
@TypeSystemReference(ImplicitCast3Types.class)
abstract static class ImplicitCast4Node extends ValueNode {
@Specialization(guards = "value != 1")
public int doInt(int value) {
return value;
}
@Specialization(guards = "value != 42")
public long doLong(long value) {
return -value;
}
protected abstract Object executeEvaluated(Object operand);
}
@NodeChildren({@NodeChild, @NodeChild})
@TypeSystemReference(ImplicitCast3Types.class)
@SuppressWarnings("unused")
abstract static class ImplicitCast5Node extends ValueNode {
@Specialization(guards = "value != 1")
public int doInt(int a, int value) {
return value;
}
@Specialization(guards = "value != 42")
public long doLong(long a, long value) {
return -value;
}
}
static class Test4Input extends ValueNode {
int n = 0;
@Override
public Object execute(VirtualFrame frame) {
n++;
if (n == 1) {
return 1;
} else if (n == 2) {
return 42;
} else {
throw new AssertionError();
}
}
}
@Test
public void testUseUncastedValuesForSlowPath1() {
ImplicitCast4Node node = ImplicitCast4NodeFactory.create(new Test4Input());
Assert.assertEquals(-1L, node.execute(null));
Assert.assertEquals(42, node.execute(null));
}
@Test
public void testUseUncastedValuesForSlowPath2() {
ImplicitCast5Node node = ImplicitCast5NodeFactory.create(new Test4Input(), new Test4Input());
Assert.assertEquals(-1L, node.execute(null));
Assert.assertEquals(42, node.execute(null));
}
@TypeSystem({String.class, boolean.class})
static class ImplicitCastError1 {
@ImplicitCast
@ExpectError("Target type and source type of an @ImplicitCast must not be the same type.")
static String castInvalid(@SuppressWarnings("unused") String value) {
throw new AssertionError();
}
}
@TypeSystem({String.class, boolean.class})
static class ImplicitCastError2 {
@ImplicitCast
@ExpectError("Target type and source type of an @ImplicitCast must not be the same type.")
static String castInvalid(@SuppressWarnings("unused") String value) {
throw new AssertionError();
}
}
@TypeSystem
static class ImplicitCast2Types {
@ImplicitCast
static String castString(CharSequence str) {
return str.toString();
}
}
@Test
public void testStringEquals1() {
StringEquals1Node node = StringEquals1NodeGen.create();
Assert.assertTrue(node.executeBoolean("foo", "foo"));
Assert.assertFalse(node.executeBoolean("foo", "bar"));
}
@TypeSystemReference(ImplicitCast2Types.class)
abstract static class StringEquals1Node extends Node {
protected abstract boolean executeBoolean(String arg1, String arg2);
@SuppressWarnings("unused")
@Specialization(guards = {"cachedArg1.equals(arg1)", "cachedArg2.equals(arg2)"}, limit = "1")
protected static boolean doCached(String arg1, String arg2,
@Cached("arg1") String cachedArg1,
@Cached("arg2") String cachedArg2,
@Cached("arg1.equals(arg2)") boolean result) {
return result;
}
@Specialization
protected static boolean doUncached(String arg1, String arg2) {
return arg1.equals(arg2);
}
}
@Test
public void testStringEquals2() {
StringEquals2Node node = StringEquals2NodeGen.create();
Assert.assertTrue(node.executeBoolean("foo", "foo"));
Assert.assertFalse(node.executeBoolean("foo", "bar"));
}
@TypeSystemReference(ImplicitCast2Types.class)
abstract static class StringEquals2Node extends Node {
protected abstract boolean executeBoolean(CharSequence arg1, CharSequence arg2);
@SuppressWarnings("unused")
@Specialization(guards = {"cachedArg1.equals(arg1)", "cachedArg2.equals(arg2)"}, limit = "2")
protected static boolean doCached(String arg1, String arg2,
@Cached("arg1") String cachedArg1,
@Cached("arg2") String cachedArg2,
@Cached("arg1.equals(arg2)") boolean result) {
return result;
}
@Specialization
protected static boolean doUncached(String arg1, String arg2) {
return arg1.equals(arg2);
}
}
@Test
public void testStringEquals3() {
StringEquals3Node node = StringEquals3NodeGen.create();
Assert.assertTrue(node.executeBoolean("foo"));
try {
Assert.assertTrue(node.executeBoolean("bar"));
Assert.fail();
} catch (UnsupportedSpecializationException e) {
}
}
@TypeSystemReference(ImplicitCast2Types.class)
abstract static class StringEquals3Node extends Node {
protected abstract boolean executeBoolean(CharSequence arg1);
@SuppressWarnings("unused")
@Specialization(guards = {"cachedArg1.equals(arg1)"}, limit = "1")
protected static boolean doCached(String arg1,
@Cached("arg1") String cachedArg1,
@Cached("arg1.equals(arg1)") boolean result) {
return result;
}
}
@TypeSystem
static class ImplicitCast4Types {
@ImplicitCast
static long castLong(int value) {
return value;
}
}
@Test
public void testExecuteChildWithImplicitCast1() throws UnexpectedResultException {
ExecuteChildWithImplicitCast1Node node = ExecuteChildWithImplicitCast1NodeGen.create(createArguments(1));
/*
* if executeLong is used for the initial execution of the node and the uninitialized case
* is not checked then this executeLong method might return 0L instead of 2L. This test
* verifies that this particular case does not happen.
*/
Assert.assertEquals(2L, node.executeLong(Truffle.getRuntime().createVirtualFrame(new Object[]{2L}, new FrameDescriptor())));
}
@TypeSystemReference(ImplicitCast4Types.class)
public abstract static class ExecuteChildWithImplicitCast1Node extends ExampleNode {
@Specialization
public long sleep(long duration) {
return duration;
}
}
@Test
public void testImplicitCastExecute() {
CallTarget target = ExampleNode.createTarget(ImplicitCastExecuteNodeGen.create(ExampleNode.createArguments(2)));
Assert.assertEquals("s1", target.call(1, 2D));
Assert.assertEquals("s0", target.call(1, 1));
target = ExampleNode.createTarget(ImplicitCastExecuteNodeGen.create(ExampleNode.createArguments(2)));
Assert.assertEquals("s0", target.call(1, 1));
Assert.assertEquals("s1", target.call(1, 2D));
target = ExampleNode.createTarget(ImplicitCastExecuteNodeGen.create(ExampleNode.createArguments(2)));
Assert.assertEquals("s0", target.call(1, 1));
Assert.assertEquals("s2", target.call(1, 2L));
target = ExampleNode.createTarget(ImplicitCastExecuteNodeGen.create(ExampleNode.createArguments(2)));
Assert.assertEquals("s2", target.call(1, 2L));
Assert.assertEquals("s0", target.call(1, 1));
}
@TypeSystem
public static class TS {
@ImplicitCast
public static int promoteToInt(byte value) {
return value;
}
@ImplicitCast
public static int promoteToInt(short value) {
return value;
}
@ImplicitCast
public static long promoteToLong(byte value) {
return value;
}
@ImplicitCast
public static long promoteToLong(short value) {
return value;
}
@ImplicitCast
public static long promoteToLong(int value) {
return value;
}
@ImplicitCast
public static double promoteToDouble(float value) {
return value;
}
}
@TypeSystemReference(TS.class)
@SuppressWarnings("unused")
public abstract static class ImplicitCastExecuteNode extends ExampleNode {
@Specialization
public String s0(int a, int b) {
return "s0";
}
@Specialization
public String s1(long a, double b) {
return "s1";
}
@Specialization
public String s2(long a, long b) {
return "s2";
}
}
@Test
public void testImplicitCastExecute2() {
ExampleArgumentNode[] args = ExampleNode.createArguments(2);
CallTarget target = ExampleNode.createTarget(ImplicitCastExecuteNodeGen.create(args));
Assert.assertEquals("s2", target.call(1L, 1L));
Assert.assertEquals(0, args[0].longInvocationCount);
Assert.assertEquals(0, args[1].longInvocationCount);
Assert.assertEquals(1, args[0].genericInvocationCount);
Assert.assertEquals(1, args[1].genericInvocationCount);
Assert.assertEquals("s2", target.call(1L, 1L));
Assert.assertEquals(1, args[0].longInvocationCount);
Assert.assertEquals(1, args[1].longInvocationCount);
Assert.assertEquals(2, args[0].genericInvocationCount);
Assert.assertEquals(2, args[1].genericInvocationCount);
Assert.assertEquals("s2", target.call(1L, 1L));
Assert.assertEquals(2, args[0].longInvocationCount);
Assert.assertEquals(2, args[1].longInvocationCount);
Assert.assertEquals(3, args[0].genericInvocationCount);
Assert.assertEquals(3, args[1].genericInvocationCount);
Assert.assertEquals(0, args[0].doubleInvocationCount);
Assert.assertEquals(0, args[1].doubleInvocationCount);
Assert.assertEquals(0, args[0].intInvocationCount);
Assert.assertEquals(0, args[1].intInvocationCount);
}
@Test
public void testImplicitCastWithCache() {
TestImplicitCastWithCacheNode node = TestImplicitCastWithCacheNodeGen.create();
Assert.assertEquals(0, node.specializeCalls);
ConcreteString concrete = new ConcreteString();
node.execute("a", true);
Assert.assertEquals(1, node.specializeCalls);
node.execute(concrete, true);
Assert.assertEquals(2, node.specializeCalls);
node.execute(concrete, true);
node.execute(concrete, true);
node.execute(concrete, true);
// ensure we stabilize
Assert.assertEquals(2, node.specializeCalls);
}
interface AbstractString {
}
static class ConcreteString implements AbstractString {
}
@TypeSystem
static class TestTypeSystem {
@ImplicitCast
public static AbstractString toAbstractStringVector(@SuppressWarnings("unused") String vector) {
return new ConcreteString();
}
}
@TypeSystemReference(TestTypeSystem.class)
abstract static class TestImplicitCastWithCacheNode extends Node {
int specializeCalls;
public abstract int execute(Object arg, boolean flag);
@Specialization(guards = {"specializeCall(flag)", "cachedFlag == flag"})
@SuppressWarnings("unused")
protected static int test(AbstractString arg, boolean flag,
@Cached("flag") boolean cachedFlag) {
return flag ? 100 : -100;
}
boolean specializeCall(@SuppressWarnings("unused") boolean flag) {
ReentrantLock lock = (ReentrantLock) getLock();
if (lock.isHeldByCurrentThread()) {
// the lock is held for guards executed in executeAndSpecialize
specializeCalls++;
}
return true;
}
}
}
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