| /******************************************************************************* |
| * Copyright (c) 2009, 2017 xored software, Inc and others. |
| * |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * xored software, Inc. - initial API and Implementation (Alex Panchenko) |
| *******************************************************************************/ |
| package org.eclipse.dltk.tcl.parser.structure; |
| |
| import static java.lang.Integer.toHexString; |
| |
| import java.lang.reflect.Field; |
| import java.lang.reflect.Modifier; |
| import java.net.URL; |
| import java.util.ArrayList; |
| import java.util.Enumeration; |
| import java.util.List; |
| |
| import org.eclipse.dltk.compiler.env.IModuleSource; |
| import org.eclipse.dltk.compiler.util.Util; |
| import org.eclipse.dltk.core.ISourceElementParser; |
| import org.eclipse.dltk.core.caching.IStructureConstants; |
| import org.eclipse.dltk.tcl.core.tests.model.Activator; |
| import org.eclipse.dltk.tcl.internal.parser.TclSourceElementParser; |
| import org.eclipse.dltk.tcl.internal.structure.TclSourceElementParser2; |
| import org.eclipse.dltk.tcl.parser.TclParser; |
| import org.eclipse.dltk.tcl.parser.structure.Collector.Tag; |
| import org.eclipse.dltk.tcl.parser.tests.TestUtils; |
| import org.eclipse.dltk.utils.TextUtils; |
| import org.osgi.framework.Bundle; |
| |
| import junit.framework.Test; |
| import junit.framework.TestCase; |
| import junit.framework.TestSuite; |
| |
| public class StructureParserTests extends TestCase { |
| |
| final URL resource; |
| |
| public StructureParserTests(URL resource) { |
| super(resource != null ? resource.getPath() : "null"); //$NON-NLS-1$ |
| this.resource = resource; |
| } |
| |
| /** |
| * @param collector |
| */ |
| private String dump(Collector collector) { |
| List<String> lines = new ArrayList<>(); |
| final byte[] bytes = collector.getBytes(); |
| final List<Tag> tags = collector.tags; |
| // lines.add(tags.toString()); |
| for (int i = 0; i < tags.size(); ++i) { |
| Tag tag = tags.get(i); |
| int end = i + 1 < tags.size() ? tags.get(i + 1).offset |
| : bytes.length; |
| StringBuilder sb = new StringBuilder(); |
| sb.append(describeTag(tag.tag)); |
| if (tag.context != null) { |
| sb.append("(").append(tag.context).append(")"); |
| } |
| sb.append(":"); |
| // sb.append(toHexString(tag.offset)).append("..").append( |
| // toHexString(end)).append(":"); |
| for (int j = tag.offset; j < end; ++j) { |
| sb.append(' '); |
| final int b = bytes[j] & 0xFF; |
| if (b < 0x10) { |
| sb.append('0'); |
| } |
| sb.append(toHexString(b)); |
| } |
| lines.add(sb.toString()); |
| } |
| return TextUtils.join(lines, Util.LINE_SEPARATOR); |
| } |
| |
| /** |
| * @param tag |
| * @return |
| */ |
| private String describeTag(int tag) { |
| for (Field field : IStructureConstants.class.getFields()) { |
| if (Modifier.isPublic(field.getModifiers()) |
| && Modifier.isStatic(field.getModifiers()) |
| && Integer.TYPE.equals(field.getType())) { |
| try { |
| Integer value = (Integer) field.get(null); |
| if (value.intValue() == tag) { |
| return field.getName(); |
| } |
| } catch (IllegalArgumentException e) { |
| // ignore |
| } catch (IllegalAccessException e) { |
| // ignore |
| } |
| } |
| } |
| return "#" + Integer.toString(tag); //$NON-NLS-1$ |
| } |
| |
| @Override |
| protected void runTest() throws Throwable { |
| ParserInput input = new ParserInput(resource); |
| Collector oldStructure = parse(input, new TclSourceElementParser()); |
| // TclSourceElementParser2.USE_NEW = true; |
| Collector newStructure = parse(input, new TclSourceElementParser2() { |
| @Override |
| protected TclParser createParser() { |
| return TestUtils.createParser(); |
| } |
| }); |
| // assertEquals(oldStructure.tags, newStructure.tags); |
| assertEquals(dump(oldStructure), dump(newStructure)); |
| } |
| |
| /** |
| * @param input |
| * @param parser |
| */ |
| private Collector parse(IModuleSource input, ISourceElementParser parser) { |
| Collector collector = new Collector(); |
| parser.setRequestor(collector); |
| parser.parseSourceModule(input); |
| return collector; |
| } |
| |
| public static Test suite() { |
| return new StructureParserTests(null) |
| .createSuite(Activator.getDefault().getBundle(), "/", "*.tcl"); |
| } |
| |
| public Test createSuite(Bundle bundle, String path, String pattern) { |
| TestSuite suite = new TestSuite(getClass().getName()); |
| Enumeration<URL> e = bundle.findEntries(path, pattern, true); |
| while (e.hasMoreElements()) { |
| URL url = e.nextElement(); |
| if (!url.getPath().startsWith("/META-INF")) { |
| suite.addTest(new StructureParserTests(url)); |
| } |
| } |
| return suite; |
| } |
| |
| } |