Mercurial > hg > graal-compiler
diff graal/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/examples/ExampleNode.java @ 19301:a79a3e467245
Truffle-DSL: move examples package into test package for the project canonicalizer.
author | Christian Humer <christian.humer@gmail.com> |
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date | Wed, 11 Feb 2015 19:01:35 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/examples/ExampleNode.java Wed Feb 11 19:01:35 2015 +0100 @@ -0,0 +1,123 @@ +/* + * Copyright (c) 2015, 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.examples; + +import com.oracle.truffle.api.*; +import com.oracle.truffle.api.dsl.*; +import com.oracle.truffle.api.dsl.internal.*; +import com.oracle.truffle.api.frame.*; +import com.oracle.truffle.api.nodes.*; + +@TypeSystemReference(ExampleTypes.class) +@NodeChild(value = "args", type = ExampleNode[].class) +public abstract class ExampleNode extends Node { + + public Object execute(@SuppressWarnings("unused") VirtualFrame frame) { + // will get implemented by the DSL. + throw new UnsupportedOperationException(); + } + + @Override + public String toString() { + if (this instanceof SpecializedNode) { + return ((SpecializedNode) this).getSpecializationNode().toString(); + } else { + return super.toString(); + } + } + + public static CallTarget createTarget(ExampleNode node) { + return Truffle.getRuntime().createCallTarget(new ExampleRootNode(node)); + } + + @SuppressWarnings("unchecked") + public static <T> T getNode(CallTarget target) { + return (T) ((ExampleRootNode) ((RootCallTarget) target).getRootNode()).child; + } + + public static ExampleNode[] createArguments(int count) { + ExampleNode[] nodes = new ExampleNode[count]; + for (int i = 0; i < count; i++) { + nodes[i] = new ExampleArgumentNode(i); + } + return nodes; + } + + private static class ExampleRootNode extends RootNode { + + @Child ExampleNode child; + + public ExampleRootNode(ExampleNode child) { + this.child = child; + } + + @Override + public Object execute(VirtualFrame frame) { + return child.execute(frame); + } + + } + + private static class ExampleArgumentNode extends ExampleNode { + + private final int index; + + public ExampleArgumentNode(int index) { + this.index = index; + } + + @Override + public Object execute(VirtualFrame frame) { + Object[] arguments = frame.getArguments(); + if (index < arguments.length) { + return arguments[index]; + } + return null; + } + } + + public static CallTarget createDummyTarget(int argumentIndex) { + return Truffle.getRuntime().createCallTarget(new DummyCallRootNode(argumentIndex)); + } + + private static class DummyCallRootNode extends RootNode { + + private final int argumentIndex; + + public DummyCallRootNode(int argumentIndex) { + this.argumentIndex = argumentIndex; + } + + @Override + public Object execute(VirtualFrame frame) { + return frame.getArguments()[argumentIndex]; + } + + @Override + public String toString() { + return "DummyRootNode[arg = " + argumentIndex + "]"; + } + + } + +}