153 lines
5.8 KiB
Java
153 lines
5.8 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.opencl;
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import org.lwjgl.PointerWrapper;
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import org.lwjgl.opencl.CLDevice;
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import org.lwjgl.opencl.CLPlatform;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.lang.annotation.Annotation;
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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.TypeElement;
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import javax.lang.model.util.ElementFilter;
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/**
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* Generator tool for creating the OpenCL capabilities classes
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*
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* @author Spasi
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*/
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@SupportedAnnotationTypes({ "*" })
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@SupportedSourceVersion(SourceVersion.RELEASE_8)
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@SupportedOptions({ "generatechecks", "contextspecific" })
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public class CLGeneratorProcessor extends AbstractProcessor {
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public static final String CLCAPS_CLASS_NAME = "CLCapabilities";
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public static final String PLATFORM_CAPS_CLASS_NAME = "CLPlatformCapabilities";
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public static final String DEVICE_CAPS_CLASS_NAME = "CLDeviceCapabilities";
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private static final String EXTENSION_PREFIX = "CL_";
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private static final String CORE_PREFIX = "Open";
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private static boolean first_round = true;
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static String getExtensionName(String interface_name) {
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if ( interface_name.startsWith("CL") ) {
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return CORE_PREFIX + interface_name;
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} else {
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return EXTENSION_PREFIX + interface_name;
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}
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}
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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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try {
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Set<TypeElement> templates = ElementFilter.typesIn(roundEnv.getRootElements());
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/**
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* provide the full set of ex-InterfaceDeclaration
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* annotated templates elements
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*/
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generateCLCapabilitiesSource(templates);
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generateCLPDCapabilitiesSource(templates, CLPlatformExtension.class, PLATFORM_CAPS_CLASS_NAME, CLPlatform.class, "platform");
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generateCLPDCapabilitiesSource(templates, CLDeviceExtension.class, DEVICE_CAPS_CLASS_NAME, CLDevice.class, "device");
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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 static void printHeader(final PrintWriter writer) {
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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.opencl;");
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writer.println();
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}
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private void generateCLCapabilitiesSource(Set<TypeElement> templates) throws IOException {
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final PrintWriter writer = new PrintWriter(processingEnv.getFiler().createSourceFile("org.lwjgl.opencl." + CLCAPS_CLASS_NAME, processingEnv.getElementUtils().getPackageElement("org.lwjgl.opencl")).openWriter());
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printHeader(writer);
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CLCapabilitiesGenerator.generateClassPrologue(writer);
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for ( TypeElement d : templates ) {
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if ( d.getKind().isInterface() ) {
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CLCapabilitiesGenerator.generateSymbolAddresses(processingEnv, writer, d);
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}
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}
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writer.println();
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CLCapabilitiesGenerator.generateConstructor(processingEnv, writer, templates);
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CLCapabilitiesGenerator.generateCapabilitiesGetters(writer);
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for ( TypeElement d : templates ) {
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if ( d.getKind().isInterface() ) {
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CLCapabilitiesGenerator.generateExtensionChecks(processingEnv, writer, d);
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}
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}
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writer.println("}");
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writer.close();
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}
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private void generateCLPDCapabilitiesSource(Set<TypeElement> templates, final Class<? extends Annotation> capsType, final String capsName, final Class<? extends PointerWrapper> objectType, final String objectName) throws IOException {
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final PrintWriter writer = new PrintWriter(processingEnv.getFiler().createSourceFile("org.lwjgl.opencl." + capsName, processingEnv.getElementUtils().getPackageElement("org.lwjgl.opencl")).openWriter());
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printHeader(writer);
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writer.println("import java.util.*;");
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writer.println();
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CLPDCapabilitiesGenerator.generateClassPrologue(writer, capsName);
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for ( TypeElement t : templates ) {
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if ( t.getKind().isInterface() && t.getAnnotation(capsType) != null ) {
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CLPDCapabilitiesGenerator.generateExtensions(writer, (TypeElement)t);
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}
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}
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writer.println();
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CLPDCapabilitiesGenerator.generateConstructor(processingEnv, writer, templates, capsType, capsName, objectType, objectName);
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CLPDCapabilitiesGenerator.generateGetters(writer);
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CLPDCapabilitiesGenerator.generateToString(writer, templates, capsType);
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writer.println("}");
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writer.close();
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}
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}
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