163 lines
5.3 KiB
Java
163 lines
5.3 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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/**
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*
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* A TypeVisitor that translates types to JNI signatures.
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*
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* @author elias_naur <elias_naur@users.sourceforge.net>
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* @version $Revision$
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* $Id$
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*/
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import java.nio.*;
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import javax.annotation.processing.ProcessingEnvironment;
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import javax.lang.model.type.ArrayType;
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import javax.lang.model.type.DeclaredType;
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import javax.lang.model.type.NoType;
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import javax.lang.model.type.PrimitiveType;
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import static javax.lang.model.type.TypeKind.BOOLEAN;
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import static javax.lang.model.type.TypeKind.BYTE;
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import static javax.lang.model.type.TypeKind.DOUBLE;
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import static javax.lang.model.type.TypeKind.FLOAT;
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import static javax.lang.model.type.TypeKind.INT;
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import static javax.lang.model.type.TypeKind.LONG;
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import static javax.lang.model.type.TypeKind.SHORT;
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import javax.lang.model.util.SimpleTypeVisitor6;
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import org.lwjgl.PointerBuffer;
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class SignatureTranslator extends SimpleTypeVisitor6<Void, Void> {
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private final boolean add_position_signature;
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private final StringBuilder signature = new StringBuilder();
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SignatureTranslator(boolean add_position_signature) {
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this.add_position_signature = add_position_signature;
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}
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private static String getNativeNameFromClassName(String class_name) {
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return class_name.replaceAll("\\.", "/");
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}
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public String getSignature() {
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return signature.toString();
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}
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@Override
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public Void visitArray(ArrayType t, Void o) {
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final Class type = Utils.getJavaType(t.getComponentType());
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if ( CharSequence.class.isAssignableFrom(type) )
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signature.append("J");
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else if ( Buffer.class.isAssignableFrom(type) )
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signature.append("[Ljava/nio/ByteBuffer;");
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else if ( org.lwjgl.PointerWrapper.class.isAssignableFrom(type) )
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signature.append("[L" + getNativeNameFromClassName(type.getName()) + ";");
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else
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throw new RuntimeException(t + " is not allowed");
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return DEFAULT_VALUE;
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}
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private void visitClassType(DeclaredType t) {
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Class type = NativeTypeTranslator.getClassFromType(t);
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if ( org.lwjgl.PointerWrapper.class.isAssignableFrom(type) || (Utils.isAddressableType(type) && !String.class.equals(type)) )
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signature.append("J");
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else {
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String type_name;
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if ( (CharSequence.class.isAssignableFrom(type) && !String.class.equals(type)) || CharSequence[].class.isAssignableFrom(type) || PointerBuffer.class.isAssignableFrom(type) )
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type_name = ByteBuffer.class.getName();
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else
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type_name = t.toString();
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signature.append("L");
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signature.append(getNativeNameFromClassName(type_name));
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signature.append(";");
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}
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}
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@Override
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public Void visitDeclared(DeclaredType t, Void o) {
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if(t.asElement().getKind().isClass())
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visitClassType(t);
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else if(t.asElement().getKind().isInterface())
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visitInterfaceType(t);
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return DEFAULT_VALUE;
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}
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private void visitInterfaceType(DeclaredType t) {
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Class type = NativeTypeTranslator.getClassFromType(t);
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if ( org.lwjgl.PointerWrapper.class.isAssignableFrom(type) )
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signature.append("J");
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else
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throw new RuntimeException(t + " is not allowed");
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}
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@Override
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public Void visitPrimitive(PrimitiveType t, Void o) {
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switch (t.getKind()) {
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case BOOLEAN:
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signature.append("Z");
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break;
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case INT:
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signature.append("I");
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break;
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case FLOAT:
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signature.append("F");
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break;
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case SHORT:
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signature.append("S");
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break;
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case DOUBLE:
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signature.append("D");
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break;
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case BYTE:
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signature.append("B");
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break;
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case LONG:
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signature.append("J");
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break;
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default:
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throw new RuntimeException("Unsupported type " + t);
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}
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return DEFAULT_VALUE;
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}
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@Override
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public Void visitNoType(NoType t, Void o) {
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signature.append("V");
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return DEFAULT_VALUE;
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}
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}
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