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package com.oracle.truffle.api.dsl.test;
import org.junit.Assert;
import org.junit.Test;
import com.oracle.truffle.api.Truffle;
import com.oracle.truffle.api.dsl.Cached;
import com.oracle.truffle.api.dsl.Specialization;
import com.oracle.truffle.api.dsl.TypeSystemReference;
import com.oracle.truffle.api.dsl.test.FrameTestFactory.FrameDescriptorAccess1NodeGen;
import com.oracle.truffle.api.dsl.test.FrameTestFactory.FrameDescriptorAccess2NodeGen;
import com.oracle.truffle.api.dsl.test.examples.ExampleTypes;
import com.oracle.truffle.api.frame.Frame;
import com.oracle.truffle.api.frame.FrameDescriptor;
import com.oracle.truffle.api.frame.VirtualFrame;
import com.oracle.truffle.api.nodes.Node;
public class FrameTest {
@Test
public void testFrameDescriptorAccess1() {
FrameDescriptorAccess1Node node = FrameDescriptorAccess1NodeGen.create();
FrameDescriptor descriptor = new FrameDescriptor();
VirtualFrame frame = Truffle.getRuntime().createVirtualFrame(null, descriptor);
Assert.assertSame(frame.getFrameDescriptor(), node.execute(frame, 2));
Assert.assertSame(frame.getFrameDescriptor(), node.execute(frame, 3));
}
@TypeSystemReference(ExampleTypes.class)
abstract static class FrameDescriptorAccess1Node extends Node {
public abstract Object execute(VirtualFrame frame, Object arg);
@SuppressWarnings("unused")
@Specialization
FrameDescriptor s1(VirtualFrame frame, int value,
@Cached("frame.getFrameDescriptor()") FrameDescriptor descriptor) {
return descriptor;
}
}
@Test
public void testFrameDescriptorAccess2() {
FrameDescriptorAccess2Node node = FrameDescriptorAccess2NodeGen.create();
FrameDescriptor descriptor = new FrameDescriptor();
VirtualFrame frame = Truffle.getRuntime().createVirtualFrame(null, descriptor);
Assert.assertSame(frame.getFrameDescriptor(), node.execute(frame, 2));
Assert.assertSame(frame.getFrameDescriptor(), node.execute(frame, 3));
}
@TypeSystemReference(ExampleTypes.class)
abstract static class FrameDescriptorAccess2Node extends Node {
public abstract Object execute(Frame frame, Object arg);
@SuppressWarnings("unused")
@Specialization(guards = "cachedValue == value", limit = "3")
FrameDescriptor s1(VirtualFrame frame, int value,
@Cached("frame.getFrameDescriptor()") FrameDescriptor descriptor,
@Cached("value") int cachedValue) {
return descriptor;
}
}
}