--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.graphio/src/org/graalvm/graphio/GraphSnippets.java Fri Feb 02 10:37:48 2018 -0500
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,285 +0,0 @@
-/*
- * Copyright (c) 2017, 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 org.graalvm.graphio;
-
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.nio.channels.FileChannel;
-import java.nio.channels.WritableByteChannel;
-import java.util.Collection;
-import java.util.LinkedHashSet;
-import java.util.Map;
-import java.util.Set;
-
-final class GraphSnippets {
- static GraphStructure<AcmeGraph, AcmeNode, AcmeNodeType, AcmePorts> acmeGraphStructure() {
- // @formatter:off
- // BEGIN: org.graalvm.graphio.GraphSnippets#acmeGraphStructure
- class AcmeGraphStructure implements
- GraphStructure<AcmeGraph, AcmeNode, AcmeNodeType, AcmePorts> {
-
- @Override
- public AcmeGraph graph(AcmeGraph currentGraph, Object obj) {
- return obj instanceof AcmeGraph ? (AcmeGraph) obj : null;
- }
-
- @Override
- public Iterable<? extends AcmeNode> nodes(AcmeGraph graph) {
- return graph.allNodes();
- }
-
- @Override
- public int nodesCount(AcmeGraph graph) {
- return graph.allNodes().size();
- }
-
- @Override
- public int nodeId(AcmeNode node) {
- return node.id;
- }
-
- @Override
- public boolean nodeHasPredecessor(AcmeNode node) {
- return node.id > 0;
- }
-
- @Override
- public void nodeProperties(
- AcmeGraph graph, AcmeNode node, Map<String, ? super Object> properties
- ) {
- properties.put("id", node.id);
- }
-
- @Override
- public AcmeNodeType nodeClass(Object obj) {
- return obj instanceof AcmeNodeType ? (AcmeNodeType) obj : null;
- }
-
- @Override
- public AcmeNode node(Object obj) {
- return obj instanceof AcmeNode ? (AcmeNode) obj : null;
- }
-
- @Override
- public AcmeNodeType classForNode(AcmeNode node) {
- // we have only one type of nodes
- return AcmeNodeType.STANDARD;
- }
-
-
- @Override
- public String nameTemplate(AcmeNodeType nodeClass) {
- return "Acme ({p#id})";
- }
-
- @Override
- public Object nodeClassType(AcmeNodeType nodeClass) {
- return nodeClass.getClass();
- }
-
- @Override
- public AcmePorts portInputs(AcmeNodeType nodeClass) {
- return AcmePorts.INPUT;
- }
-
- @Override
- public AcmePorts portOutputs(AcmeNodeType nodeClass) {
- return AcmePorts.OUTPUT;
- }
-
- @Override
- public int portSize(AcmePorts port) {
- return port == AcmePorts.OUTPUT ? 1 : 0;
- }
-
- @Override
- public boolean edgeDirect(AcmePorts port, int index) {
- return false;
- }
-
- @Override
- public String edgeName(AcmePorts port, int index) {
- return port.name();
- }
-
- @Override
- public Object edgeType(AcmePorts port, int index) {
- return port;
- }
-
- @Override
- public Collection<? extends AcmeNode> edgeNodes(
- AcmeGraph graph, AcmeNode node, AcmePorts port, int index
- ) {
- if (port == AcmePorts.OUTPUT) {
- return node.outgoing.targets;
- }
- return null;
- }
- }
-
- // END: org.graalvm.graphio.GraphSnippets#acmeGraphStructure
-
- return new AcmeGraphStructure();
- }
-
- // BEGIN: org.graalvm.graphio.GraphSnippets#buildOutput
- static GraphOutput<AcmeGraph, ?> buildOutput(WritableByteChannel channel)
- throws IOException {
- return GraphOutput.newBuilder(acmeGraphStructure()).
- // use the latest version; currently 5.0
- protocolVersion(5, 0).
- build(channel);
- }
- // END: org.graalvm.graphio.GraphSnippets#buildOutput
-
- // BEGIN: org.graalvm.graphio.GraphSnippets#buildAll
- static GraphOutput<AcmeGraph, ?> buildAll(WritableByteChannel channel)
- throws IOException {
- GraphBlocks<AcmeGraph, AcmeBlocks, AcmeNode> graphBlocks = acmeBlocks();
- GraphElements<AcmeMethod, AcmeField,
- AcmeSignature, AcmeCodePosition> graphElements = acmeElements();
- GraphTypes graphTypes = acmeTypes();
-
- return GraphOutput.newBuilder(acmeGraphStructure()).
- protocolVersion(5, 0).
- blocks(graphBlocks).
- elements(graphElements).
- types(graphTypes).
- build(channel);
- }
- // END: org.graalvm.graphio.GraphSnippets#buildAll
-
- private static GraphTypes acmeTypes() {
- GraphTypes graphTypes = null;
- // in real world don't return null
- return graphTypes;
- }
-
- private static GraphElements<AcmeMethod, AcmeField, AcmeSignature, AcmeCodePosition> acmeElements() {
- GraphElements<AcmeMethod, AcmeField, AcmeSignature, AcmeCodePosition> graphElements = null;
- // in real world don't return null
- return graphElements;
- }
-
- private static GraphBlocks<AcmeGraph, AcmeBlocks, AcmeNode> acmeBlocks() {
- GraphBlocks<AcmeGraph, AcmeBlocks, AcmeNode> graphBlocks = null;
- // in real world don't return null
- return graphBlocks;
- }
-
- private static class AcmeGraph {
- final AcmeNode root;
-
- AcmeGraph(AcmeNode root) {
- this.root = root;
- }
-
- Set<AcmeNode> allNodes() {
- return allNodes(root, new LinkedHashSet<>());
- }
-
- private static Set<AcmeNode> allNodes(AcmeNode node, Set<AcmeNode> collectTo) {
- if (collectTo.add(node)) {
- for (AcmeNode target : node.outgoing.targets) {
- allNodes(target, collectTo);
- }
- }
- return collectTo;
- }
- }
-
- private static class AcmeNode {
- final int id;
- final AcmeEdges outgoing;
-
- AcmeNode(int id) {
- this.id = id;
- this.outgoing = new AcmeEdges();
- }
-
- void linkTo(AcmeNode target) {
- outgoing.targets.add(target);
- }
- }
-
- private enum AcmeNodeType {
- STANDARD
- }
-
- private enum AcmePorts {
- INPUT,
- OUTPUT;
- }
-
- private static class AcmeEdges {
- final Set<AcmeNode> targets;
-
- AcmeEdges() {
- this.targets = new LinkedHashSet<>();
- }
- }
-
- private static class AcmeBlocks {
- }
-
- private static class AcmeMethod {
- }
-
- private static class AcmeField {
- }
-
- private static class AcmeSignature {
- }
-
- private static class AcmeCodePosition {
- }
-
- // BEGIN: org.graalvm.graphio.GraphSnippets#dump
- static void dump(File toFile) throws IOException {
- try (
- FileChannel ch = new FileOutputStream(toFile).getChannel();
- GraphOutput<AcmeGraph, ?> output = buildOutput(ch);
- ) {
- AcmeNode root = new AcmeNode(0);
- AcmeNode n1 = new AcmeNode(1);
- AcmeNode n2 = new AcmeNode(2);
- AcmeNode n3 = new AcmeNode(3);
-
- root.linkTo(n1);
- root.linkTo(n2);
- n1.linkTo(n3);
- n2.linkTo(n3);
-
- AcmeGraph diamondGraph = new AcmeGraph(root);
-
- output.beginGroup(diamondGraph, "Diamond", "dia", null, 0, null);
- output.print(diamondGraph, null, 0, "Diamond graph #%d", 1);
- output.endGroup();
- }
- }
- // END: org.graalvm.graphio.GraphSnippets#dump
-
-}