146 lines
5.4 KiB
Java
146 lines
5.4 KiB
Java
/*
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* Copyright (c) 2002-2008 LWJGL Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of 'LWJGL' nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.lwjgl.util.generator;
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import java.io.File;
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import java.io.FileFilter;
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import java.util.Iterator;
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import java.util.Map;
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import java.util.Set;
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import javax.annotation.processing.*;
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import javax.lang.model.SourceVersion;
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import javax.lang.model.element.Element;
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import javax.lang.model.element.TypeElement;
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import javax.lang.model.util.ElementFilter;
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import javax.tools.Diagnostic;
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/**
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* Generator tool for creating the java classes and native code from an
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* annotated template java interface.
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*
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* @author elias_naur <elias_naur@users.sourceforge.net>
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* @version $Revision$ $Id$
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*/
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@SupportedAnnotationTypes({ "*" })
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@SupportedSourceVersion(SourceVersion.RELEASE_8)
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@SupportedOptions({ "binpath", "genpath", "typemap", "generatechecks", "nogeneratechecks", "contextspecific" })
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public class GeneratorProcessor extends AbstractProcessor {
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private static boolean first_round = true;
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@Override
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public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
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if ( roundEnv.processingOver() || !first_round ) {
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System.exit(0);
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return true;
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}
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Map<String, String> options = processingEnv.getOptions();
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String typemap_classname = options.get("typemap");
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String bin_path = options.get("binpath");
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String gen_path = options.get("genpath");
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boolean generate_error_checks = options.containsKey("generatechecks") && !options.containsKey("nogeneratechecks");
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boolean context_specific = options.containsKey("contextspecific");
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if ( bin_path == null ) {
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throw new RuntimeException("No path specified for the bin directory with -Abinpath=<path>");
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}
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if ( gen_path == null ) {
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throw new RuntimeException("No path specified for the gen directory with -Agenpath=<path>");
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}
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if ( typemap_classname == null ) {
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throw new RuntimeException("No TypeMap class name specified with -Atypemap=<class-name>");
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}
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Element lastFile = null;
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try {
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long generatorLM = getGeneratorLastModified(bin_path);
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TypeMap type_map = (TypeMap)(Class.forName(typemap_classname).newInstance());
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for ( Iterator<TypeElement> it = ElementFilter.typesIn(roundEnv.getRootElements()).iterator(); it.hasNext(); ) {
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lastFile = it.next();
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lastFile.accept(new GeneratorVisitor(processingEnv, gen_path, type_map, generate_error_checks, context_specific, generatorLM), null);
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}
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first_round = false;
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return true;
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} catch (Exception e) {
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if ( lastFile == null ) {
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throw new RuntimeException(e);
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} else {
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throw new RuntimeException("\n-- Failed to process template: " + lastFile.asType().toString() + " --", e);
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}
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}
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}
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/**
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* Gets the time of the latest change on the Generator classes.
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*
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* @return time of the latest change
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*/
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private static long getGeneratorLastModified(final String bin_path) {
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long lastModified = getDirectoryLastModified(bin_path, "/org/lwjgl/util/generator");
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lastModified = Math.max(lastModified, getDirectoryLastModified(bin_path, "/org/lwjgl/util/generator/openal"));
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lastModified = Math.max(lastModified, getDirectoryLastModified(bin_path, "/org/lwjgl/util/generator/opengl"));
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lastModified = Math.max(lastModified, getDirectoryLastModified(bin_path, "/org/lwjgl/util/generator/opencl"));
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return lastModified;
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}
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private static long getDirectoryLastModified(final String bin_path, final String path) {
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final File pck = new File(bin_path + path);
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if ( !pck.exists() || !pck.isDirectory() ) {
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return Long.MAX_VALUE;
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}
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final File[] classes = pck.listFiles(new FileFilter() {
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public boolean accept(final File pathname) {
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return pathname.isFile() && pathname.getName().endsWith(".class");
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}
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});
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if ( classes == null || classes.length == 0 ) {
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return Long.MAX_VALUE;
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}
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long lastModified = 0;
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for ( File clazz : classes ) {
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long lm = clazz.lastModified();
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if ( lastModified < lm ) {
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lastModified = lm;
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}
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}
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return lastModified;
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}
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}
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