/*
* 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.
*
* 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.TestHelper.createRoot;
import static com.oracle.truffle.api.dsl.test.TestHelper.createRootPrefix;
import static com.oracle.truffle.api.dsl.test.TestHelper.executeWith;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.sameInstance;
import static org.junit.Assert.assertThat;
import org.junit.Test;
import org.junit.experimental.theories.DataPoints;
import org.junit.experimental.theories.Theories;
import org.junit.experimental.theories.Theory;
import org.junit.runner.RunWith;
import com.oracle.truffle.api.CompilerDirectives;
import com.oracle.truffle.api.dsl.CreateCast;
import com.oracle.truffle.api.dsl.Fallback;
import com.oracle.truffle.api.dsl.NodeChild;
import com.oracle.truffle.api.dsl.Specialization;
import com.oracle.truffle.api.dsl.test.TypeSystemTest.ArgumentNode;
import com.oracle.truffle.api.dsl.test.TypeSystemTest.TestRootNode;
import com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode;
import com.oracle.truffle.api.nodes.Node;
import com.oracle.truffle.api.source.Source;
import com.oracle.truffle.api.source.SourceSection;
@RunWith(Theories.class)
public class SourceSectionTest {
@DataPoints public static final int[] data = new int[]{1, 2, 3, 4};
@Theory
public void testSourceSections(int value0, int value1, int value2) {
TestRootNode<MutableSourceSectionNode> root = createRoot(SourceSectionTestFactory.MutableSourceSectionNodeFactory.getInstance());
SourceSection section = Source.newBuilder("").name("a").mimeType("").build().createUnavailableSection();
root.getNode().changeSourceSection(section);
expectSourceSection(root.getNode(), section);
assertThat((int) executeWith(root, value0), is(value0));
expectSourceSection(root.getNode(), section);
assertThat((int) executeWith(root, value1), is(value1));
expectSourceSection(root.getNode(), section);
assertThat((int) executeWith(root, value2), is(value2));
expectSourceSection(root.getNode(), section);
}
@SuppressWarnings("deprecation")
private static void expectSourceSection(Node root, SourceSection section) {
assertThat(root.getSourceSection(), is(sameInstance(section)));
for (Node child : root.getChildren()) {
if (child instanceof ArgumentNode || child instanceof com.oracle.truffle.api.dsl.internal.SpecializationNode) {
continue;
}
if (child != null) {
expectSourceSection(child, section);
}
}
}
@NodeChild("a")
static class MutableSourceSectionNode extends ValueNode {
// BEGIN: MutableSourceSectionNode
@CompilerDirectives.CompilationFinal private SourceSection section;
final void changeSourceSection(SourceSection sourceSection) {
CompilerDirectives.transferToInterpreterAndInvalidate();
this.section = sourceSection;
}
@Override
public SourceSection getSourceSection() {
return section;
}
// END: MutableSourceSectionNode
@Specialization(guards = "a == 1")
int do1(int a) {
return a;
}
@Specialization(guards = "a == 2")
int do2(int a) {
return a;
}
@Specialization(guards = "a == 3")
int do3(int a) {
return a;
}
@Fallback
Object do4(Object a) {
return a; // the generic answer to all questions
}
}
@Test
public void testCreateCast() {
SourceSection section = Source.newBuilder("").name("a").mimeType("").build().createUnavailableSection();
TestRootNode<NodeWithFixedSourceSection> root = createRootPrefix(SourceSectionTestFactory.NodeWithFixedSourceSectionFactory.getInstance(), true, section);
expectSourceSection(root.getNode(), section);
assertThat((int) executeWith(root, 1), is(1));
expectSourceSection(root.getNode(), section);
}
@NodeChild("a")
static class NodeWithFixedSourceSection extends ValueNode {
// BEGIN: NodeWithFixedSourceSection
private final SourceSection section;
NodeWithFixedSourceSection(SourceSection section) {
this.section = section;
}
@Override
public SourceSection getSourceSection() {
return section;
}
// END: NodeWithFixedSourceSection
@CreateCast("a")
public ValueNode cast(ValueNode node) {
assert getSourceSection() != null;
return node;
}
@Specialization
int do0(int a) {
return a;
}
}
}