/*
* Copyright (c) 2002-2008 LWJGL Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'LWJGL' nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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package org.lwjgl.util.generator.opengl;
import org.lwjgl.util.generator.Utils;
import static java.util.Collections.unmodifiableCollection;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.Collection;
import java.util.Map;
import java.util.Set;
import com.sun.mirror.apt.AnnotationProcessor;
import com.sun.mirror.apt.AnnotationProcessorEnvironment;
import com.sun.mirror.apt.AnnotationProcessorFactory;
import com.sun.mirror.apt.AnnotationProcessors;
import com.sun.mirror.apt.Filer;
import com.sun.mirror.apt.RoundCompleteEvent;
import com.sun.mirror.apt.RoundCompleteListener;
import com.sun.mirror.declaration.AnnotationTypeDeclaration;
import com.sun.mirror.declaration.InterfaceDeclaration;
import com.sun.mirror.declaration.TypeDeclaration;
import com.sun.mirror.util.DeclarationFilter;
/**
*
* Generator tool for creating the ContexCapabilities class
*
* @author elias_naur <elias_naur@users.sourceforge.net>
* @version $Revision: 3316 $
* $Id: ContextGeneratorProcessorFactory.java 3316 2010-04-09 23:57:40Z spasi $
*/
public class GLGeneratorProcessorFactory implements AnnotationProcessorFactory, RoundCompleteListener {
private static boolean first_round = true;
// Process any set of annotations
private static final Collection<String> supportedAnnotations =
unmodifiableCollection(Arrays.asList("*"));
public Collection<String> supportedAnnotationTypes() {
return supportedAnnotations;
}
public Collection<String> supportedOptions() {
return unmodifiableCollection(Arrays.asList("-Acontextspecific", "-Ageneratechecks"));
}
public void roundComplete(RoundCompleteEvent event) {
first_round = false;
}
public AnnotationProcessor getProcessorFor(Set<AnnotationTypeDeclaration> atds, AnnotationProcessorEnvironment env) {
// Only process the initial types, not the generated ones
if (first_round) {
env.addListener(this);
return new GeneratorProcessor(env);
} else
return AnnotationProcessors.NO_OP;
}
private static class GeneratorProcessor implements AnnotationProcessor {
private final AnnotationProcessorEnvironment env;
GeneratorProcessor(AnnotationProcessorEnvironment env) {
this.env = env;
}
public void process() {
Map<String, String> options = env.getOptions();
boolean generate_error_checks = options.containsKey("-Ageneratechecks");
boolean context_specific = options.containsKey("-Acontextspecific");
try {
generateContextCapabilitiesSource(context_specific, generate_error_checks);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
private void generateContextCapabilitiesSource(boolean context_specific, boolean generate_error_checks) throws IOException {
PrintWriter writer = env.getFiler().createTextFile(Filer.Location.SOURCE_TREE, "org.lwjgl.opengl", new File(Utils.CONTEXT_CAPS_CLASS_NAME + ".java"), null);
writer.println("/* MACHINE GENERATED FILE, DO NOT EDIT */");
writer.println();
writer.println("package org.lwjgl.opengl;");
writer.println();
writer.println("import org.lwjgl.LWJGLException;");
writer.println("import org.lwjgl.LWJGLUtil;");
writer.println("import java.util.Set;");
writer.println("import java.util.HashSet;");
writer.println();
GLCapabilitiesGenerator.generateClassPrologue(writer, context_specific, generate_error_checks);
DeclarationFilter filter = DeclarationFilter.getFilter(InterfaceDeclaration.class);
Collection<TypeDeclaration> interface_decls = filter.filter(env.getSpecifiedTypeDeclarations());
for (TypeDeclaration typedecl : interface_decls) {
InterfaceDeclaration interface_decl = (InterfaceDeclaration)typedecl;
if (Utils.isFinal(interface_decl))
GLCapabilitiesGenerator.generateField(writer, interface_decl);
}
writer.println();
for (TypeDeclaration typedecl : interface_decls) {
InterfaceDeclaration interface_decl = (InterfaceDeclaration)typedecl;
GLCapabilitiesGenerator.generateSymbolAddresses(writer, interface_decl);
}
writer.println();
if (context_specific) {
for (TypeDeclaration typedecl : interface_decls) {
InterfaceDeclaration interface_decl = (InterfaceDeclaration)typedecl;
GLCapabilitiesGenerator.generateAddressesInitializers(writer, interface_decl);
}
writer.println();
}
writer.println("\tprivate static void remove(Set supported_extensions, String extension) {");
writer.println("\t\tLWJGLUtil.log(extension + \" was reported as available but an entry point is missing\");");
writer.println("\t\tsupported_extensions.remove(extension);");
writer.println("\t}\n");
GLCapabilitiesGenerator.generateInitStubsPrologue(writer, context_specific);
for (TypeDeclaration typedecl : interface_decls) {
InterfaceDeclaration interface_decl = (InterfaceDeclaration)typedecl;
GLCapabilitiesGenerator.generateSuperClassAdds(writer, interface_decl);
}
for (TypeDeclaration typedecl : interface_decls) {
InterfaceDeclaration interface_decl = (InterfaceDeclaration)typedecl;
String simple_name = interface_decl.getSimpleName();
if ( "GL11".equals(simple_name) )
continue;
GLCapabilitiesGenerator.generateInitStubs(writer, interface_decl, context_specific);
}
GLCapabilitiesGenerator.generateInitStubsEpilogue(writer, context_specific);
writer.println();
writer.println("\tstatic void unloadAllStubs() {");
if (!context_specific) {
writer.println("\t\tif (!loaded_stubs)");
writer.println("\t\t\treturn;");
for (TypeDeclaration typedecl : interface_decls) {
InterfaceDeclaration interface_decl = (InterfaceDeclaration)typedecl;
GLCapabilitiesGenerator.generateUnloadStubs(writer, interface_decl);
}
writer.println("\t\tloaded_stubs = false;");
}
writer.println("\t}");
writer.println();
GLCapabilitiesGenerator.generateInitializerPrologue(writer);
for (TypeDeclaration typedecl : interface_decls) {
InterfaceDeclaration interface_decl = (InterfaceDeclaration)typedecl;
if (Utils.isFinal(interface_decl))
GLCapabilitiesGenerator.generateInitializer(writer, interface_decl);
}
writer.println("\t\ttracker.init();");
writer.println("\t}");
writer.println("}");
writer.close();
}
}
}