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ANTLR Tool Source Code
ANTLR is a powerful parser generator for multiple programming languages including Java.
ANTLR contains 2 major modules:
ANTLR Tool Source Code files are provided in the distribution packge (antlr4-4.10.1.zip). You can download them at ANTLR Website.
You can also browse the source code below:
✍: FYIcenter
⏎ org/antlr/v4/gui/TreeLayoutAdaptor.java
/* * Copyright (c) 2012-2017 The ANTLR Project. All rights reserved. * Use of this file is governed by the BSD 3-clause license that * can be found in the LICENSE.txt file in the project root. */ package org.antlr.v4.gui; import org.abego.treelayout.TreeForTreeLayout; import org.antlr.v4.runtime.tree.Tree; import java.util.Iterator; import java.util.NoSuchElementException; /** Adaptor ANTLR trees to {@link TreeForTreeLayout}. */ public class TreeLayoutAdaptor implements TreeForTreeLayout<Tree> { private static class AntlrTreeChildrenIterable implements Iterable<Tree> { private final Tree tree; public AntlrTreeChildrenIterable(Tree tree) { this.tree = tree; } @Override public Iterator<Tree> iterator() { return new Iterator<Tree>() { private int i = 0; @Override public boolean hasNext() { return tree.getChildCount() > i; } @Override public Tree next() { if (!hasNext()) throw new NoSuchElementException(); return tree.getChild(i++); } @Override public void remove() { throw new UnsupportedOperationException(); } }; } } private static class AntlrTreeChildrenReverseIterable implements Iterable<Tree> { private final Tree tree; public AntlrTreeChildrenReverseIterable(Tree tree) { this.tree = tree; } @Override public Iterator<Tree> iterator() { return new Iterator<Tree>() { private int i = tree.getChildCount(); @Override public boolean hasNext() { return i > 0; } @Override public Tree next() { if (!hasNext()) throw new NoSuchElementException(); return tree.getChild(--i); } @Override public void remove() { throw new UnsupportedOperationException(); } }; } } private Tree root; public TreeLayoutAdaptor(Tree root) { this.root = root; } @Override public boolean isLeaf(Tree node) { return node.getChildCount() == 0; } @Override public boolean isChildOfParent(Tree node, Tree parentNode) { return node.getParent() == parentNode; } @Override public Tree getRoot() { return root; } @Override public Tree getLastChild(Tree parentNode) { return parentNode.getChild(parentNode.getChildCount() - 1); } @Override public Tree getFirstChild(Tree parentNode) { return parentNode.getChild(0); } @Override public Iterable<Tree> getChildrenReverse(Tree node) { return new AntlrTreeChildrenReverseIterable(node); } @Override public Iterable<Tree> getChildren(Tree node) { return new AntlrTreeChildrenIterable(node); } }
⏎ org/antlr/v4/gui/TreeLayoutAdaptor.java
Or download all of them as a single archive file:
File name: antlr-tool-4.10.1-sources.jar File size: 347718 bytes Release date: 2022-04-15 Download
2022-04-24, 27202👍, 0💬
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