Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/tools/TestNodes.java @ 19213:d7e743760000
Add LowLevelHighTierPhase.
author | Josef Eisl <josef.eisl@jku.at> |
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date | Mon, 09 Feb 2015 09:03:41 +0100 |
parents | cca166aa28c0 |
children | 1d6a7ea5de59 |
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/* * 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.test.tools; import com.oracle.truffle.api.*; import com.oracle.truffle.api.frame.*; import com.oracle.truffle.api.instrument.*; import com.oracle.truffle.api.instrument.ProbeNode.WrapperNode; import com.oracle.truffle.api.nodes.*; import com.oracle.truffle.api.source.*; /** * Nodes and an {@linkplain CallTarget executable ASTs} for testing. */ public class TestNodes { /** * A fake source used for testing: empty line 1, expression on line 2. */ public static final Source expr13Source = Source.fromText("\n6+7\n", "Test Source: expression on line 2 that evaluates to 13"); public static final LineLocation expr13Line1 = expr13Source.createLineLocation(1); public static final LineLocation expr13Line2 = expr13Source.createLineLocation(2); /** * An executable addition expression that evaluates to 13. */ public static CallTarget createExpr13TestCallTarget() { final RootNode rootNode = createExpr13TestRootNode(); return Truffle.getRuntime().createCallTarget(rootNode); } /** * Root holding an addition expression that evaluates to 13. */ public static RootNode createExpr13TestRootNode() { final TestLanguageNode ast = createExpr13AST(); final TestRootNode rootNode = new TestRootNode(ast); rootNode.adoptChildren(); return rootNode; } /** * Addition expression that evaluates to 13, with faked source attribution. */ public static TestLanguageNode createExpr13AST() { final SourceSection leftSourceSection = expr13Source.createSection("left", 1, 1); final TestValueNode leftValueNode = new TestValueNode(6, leftSourceSection); final SourceSection rightSourceSection = expr13Source.createSection("right", 3, 1); final TestValueNode rightValueNode = new TestValueNode(7, rightSourceSection); final SourceSection exprSourceSection = expr13Source.createSection("expr", 1, 3); return new TestAddNode(leftValueNode, rightValueNode, exprSourceSection); } public abstract static class TestLanguageNode extends Node { public abstract Object execute(VirtualFrame frame); public TestLanguageNode() { } public TestLanguageNode(SourceSection srcSection) { super(srcSection); } @Override public boolean isInstrumentable() { return true; } @Override public WrapperNode createWrapperNode() { return new TestWrapperNode(this); } } @NodeInfo(cost = NodeCost.NONE) public static class TestWrapperNode extends TestLanguageNode implements WrapperNode { @Child private TestLanguageNode child; @Child private ProbeNode probeNode; public TestWrapperNode(TestLanguageNode child) { assert !(child instanceof TestWrapperNode); this.child = child; } @Override public String instrumentationInfo() { return "Wrapper node for testing"; } @Override public boolean isInstrumentable() { return false; } @Override public void insertProbe(ProbeNode newProbeNode) { this.probeNode = newProbeNode; } @Override public Probe getProbe() { try { return probeNode.getProbe(); } catch (IllegalStateException e) { throw new IllegalStateException("Cannot call getProbe() on a wrapper that has no probe"); } } @Override public Node getChild() { return child; } @Override public Object execute(VirtualFrame frame) { probeNode.enter(child, frame); Object result; try { result = child.execute(frame); probeNode.returnValue(child, frame, result); } catch (KillException e) { throw (e); } catch (Exception e) { probeNode.returnExceptional(child, frame, e); throw (e); } return result; } } /** * Truffle requires that all guest languages to have a {@link RootNode} which sits atop any AST * of the guest language. This is necessary since creating a {@link CallTarget} is how Truffle * completes an AST. The root nodes serves as our entry point into a program. */ public static class TestRootNode extends RootNode { @Child private TestLanguageNode body; /** * This constructor emulates the global machinery that applies registered probers to every * newly created AST. Global registry is not used, since that would interfere with other * tests run in the same environment. */ public TestRootNode(TestLanguageNode body) { super(null); this.body = body; } @Override public Object execute(VirtualFrame frame) { return body.execute(frame); } @Override public boolean isCloningAllowed() { return true; } @Override public void applyInstrumentation() { Probe.applyASTProbers(body); } } public static class TestValueNode extends TestLanguageNode { private final int value; public TestValueNode(int value) { this.value = value; } public TestValueNode(int value, SourceSection srcSection) { super(srcSection); this.value = value; } @Override public Object execute(VirtualFrame frame) { return new Integer(this.value); } } public static class TestAddNode extends TestLanguageNode { @Child private TestLanguageNode leftChild; @Child private TestLanguageNode rightChild; public TestAddNode(TestValueNode leftChild, TestValueNode rightChild, SourceSection sourceSection) { super(sourceSection); this.leftChild = insert(leftChild); this.rightChild = insert(rightChild); } @Override public Object execute(VirtualFrame frame) { return new Integer(((Integer) leftChild.execute(frame)).intValue() + ((Integer) rightChild.execute(frame)).intValue()); } } }