176 lines
6.9 KiB
Java
176 lines
6.9 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.opengl;
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import org.lwjgl.util.generator.Utils;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.nio.file.Path;
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import java.util.Map;
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import java.util.Set;
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import java.util.concurrent.Callable;
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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.TypeElement;
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import javax.lang.model.util.ElementFilter;
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import static org.lwjgl.util.generator.GeneratorVisitor.saveGeneratedJavaSource;
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import static org.lwjgl.util.generator.Utils.getRequiredOption;
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import static org.lwjgl.util.generator.Utils.spawn;
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/**
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* Generator tool for creating the ContexCapabilities class
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*
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* @author elias_naur <elias_naur@users.sourceforge.net>
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* @version $Revision: 3316 $ $Id: ContextGeneratorProcessorFactory.java 3316
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* 2010-04-09 23:57:40Z spasi $
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*/
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@SupportedAnnotationTypes({ "*" })
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@SupportedSourceVersion(SourceVersion.RELEASE_10)
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@SupportedOptions({ "genJavaPath", "contextspecific", "generatechecks" })
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public final class GLESGeneratorProcessor 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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boolean generate_error_checks = options.containsKey("generatechecks");
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boolean context_specific = options.containsKey("contextspecific");
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Path genJavaPath = Path.of(getRequiredOption(options, "genJavaPath", "a path."));
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try {
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generateContextCapabilitiesSource(genJavaPath, ElementFilter.typesIn(roundEnv.getRootElements()), context_specific, generate_error_checks);
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first_round = false;
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return true;
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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}
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private void generateContextCapabilitiesSource(Path genJavaPath, Set<TypeElement> templates, boolean context_specific, boolean generate_error_checks) throws IOException {
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long startTime = System.currentTimeMillis();
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ProcessingEnvironment env = this.processingEnv;
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ByteArrayOutputStream writer1 = new ByteArrayOutputStream();
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PrintWriter writer = new PrintWriter(writer1);
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writer.println("/* MACHINE GENERATED FILE, DO NOT EDIT */");
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writer.println();
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writer.println("package org.lwjgl.opengles;");
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writer.println();
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writer.println("import org.lwjgl.LWJGLException;");
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writer.println("import org.lwjgl.LWJGLUtil;");
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writer.println("import java.util.Set;");
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writer.println("import java.util.HashSet;");
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writer.println();
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GLESCapabilitiesGenerator.generateClassPrologue(writer, context_specific, generate_error_checks);
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for ( TypeElement interface_decl : templates ) {
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if ( interface_decl.getKind().isInterface() ) {
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if ( Utils.isFinal(interface_decl) ) {
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GLESCapabilitiesGenerator.generateField(writer, interface_decl);
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}
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}
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}
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writer.println();
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if ( context_specific ) {
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for ( TypeElement interface_decl : templates ) {
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if ( interface_decl.getKind().isInterface() ) {
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GLESCapabilitiesGenerator.generateSymbolAddresses(processingEnv, writer, interface_decl);
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}
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}
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writer.println();
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for ( TypeElement interface_decl : templates ) {
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if ( interface_decl.getKind().isInterface() ) {
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GLESCapabilitiesGenerator.generateAddressesInitializers(processingEnv, writer, interface_decl);
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}
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}
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writer.println();
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}
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if ( context_specific ) {
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writer.println("\tprivate static void remove(Set supported_extensions, String extension) {");
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writer.println("\t\tLWJGLUtil.log(extension + \" was reported as available but an entry point is missing\");");
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writer.println("\t\tsupported_extensions.remove(extension);");
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writer.println("\t}\n");
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}
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GLESCapabilitiesGenerator.generateInitStubsPrologue(writer, context_specific);
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for ( TypeElement interface_decl : templates ) {
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if ( interface_decl.getKind().isInterface() ) {
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GLESCapabilitiesGenerator.generateSuperClassAdds(writer, interface_decl, processingEnv);
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}
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}
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for ( TypeElement interface_decl : templates ) {
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if ( interface_decl.getKind().isInterface() ) {
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if ( "GLES20".equals(interface_decl.getSimpleName().toString()) ) {
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continue;
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}
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GLESCapabilitiesGenerator.generateInitStubs(processingEnv, writer, interface_decl, context_specific);
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}
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}
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GLESCapabilitiesGenerator.generateInitStubsEpilogue(writer, context_specific);
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writer.append("\n\tstatic void unloadAllStubs() {\n");
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if ( !context_specific ) {
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writer.append("\t\tif (!loaded_stubs)\n" + "\t\t\treturn;\n");
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for ( TypeElement interface_decl : templates ) {
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if ( interface_decl.getKind().isInterface() ) {
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GLESCapabilitiesGenerator.generateUnloadStubs(processingEnv, writer, interface_decl);
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}
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}
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writer.append("\t\tloaded_stubs = false;\n");
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}
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writer.append("\t}\n\n");
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GLESCapabilitiesGenerator.generateInitializerPrologue(writer);
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for ( TypeElement interface_decl : templates ) {
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if ( interface_decl.getKind().isInterface() ) {
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if ( Utils.isFinal(interface_decl) ) {
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GLESCapabilitiesGenerator.generateInitializer(writer, interface_decl, processingEnv);
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}
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}
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}
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writer.append("\t}\n}\n");
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saveGeneratedJavaSource(env.getMessager(), genJavaPath, "org.lwjgl.opengles." + Utils.CONTEXT_CAPS_CLASS_NAME, spawn((Callable<byte[]>) () -> {
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writer.flush();
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return writer1.toByteArray();
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}), startTime);
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}
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}
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