155 lines
4.9 KiB
Java
155 lines
4.9 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;
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/**
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*
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* A TypeVisitor that translates (annotated) TypeMirrors to
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* postfixes.
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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.lang.annotation.Annotation;
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import java.nio.*;
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import javax.lang.model.element.AnnotationMirror;
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import javax.lang.model.element.Element;
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import javax.lang.model.type.DeclaredType;
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import javax.lang.model.type.PrimitiveType;
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import javax.lang.model.type.TypeKind;
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import javax.lang.model.util.SimpleTypeVisitor6;
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public class PostfixTranslator extends SimpleTypeVisitor6<Void, Void> {
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private final StringBuilder signature = new StringBuilder();
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private final Element declaration;
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private final TypeMap type_map;
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public PostfixTranslator(TypeMap type_map, Element declaration) {
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this.declaration = declaration;
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this.type_map = type_map;
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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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private static TypeKind getPrimitiveKindFromBufferClass(Class c) {
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if ( IntBuffer.class.equals(c) || int.class.equals(c) )
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return TypeKind.INT;
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else if ( DoubleBuffer.class.equals(c) || double.class.equals(c) )
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return TypeKind.DOUBLE;
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else if ( ShortBuffer.class.equals(c) || short.class.equals(c) )
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return TypeKind.SHORT;
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else if ( ByteBuffer.class.equals(c) || byte.class.equals(c) )
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return TypeKind.BYTE;
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else if ( FloatBuffer.class.equals(c) || float.class.equals(c) )
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return TypeKind.FLOAT;
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else if ( LongBuffer.class.equals(c) || long.class.equals(c) )
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return TypeKind.LONG;
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else
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throw new RuntimeException(c + " is not allowed");
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}
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private void visitClassType(DeclaredType t) {
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Class<?> c = NativeTypeTranslator.getClassFromType(t);
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TypeKind kind = getPrimitiveKindFromBufferClass(c);
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visitPrimitiveTypeKind(kind);
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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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return DEFAULT_VALUE;
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}
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private boolean translateAnnotation(AnnotationMirror annotation) {
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NativeType native_type = NativeTypeTranslator.getAnnotation(annotation, NativeType.class);
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if ( native_type != null ) {
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Class<? extends Annotation> annotation_class = NativeTypeTranslator.getClassFromType(annotation.getAnnotationType());
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signature.append(type_map.translateAnnotation(annotation_class));
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return true;
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} else
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return false;
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}
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private boolean translateAnnotations() {
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boolean result = false;
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for ( AnnotationMirror annotation : Utils.getSortedAnnotations(declaration.getAnnotationMirrors()) )
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if ( translateAnnotation(annotation) ) {
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if ( result )
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throw new RuntimeException("Multiple native types");
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result = true;
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}
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return result;
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}
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@Override
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public Void visitPrimitive(PrimitiveType t, Void o) {
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visitPrimitiveTypeKind(t.getKind());
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return DEFAULT_VALUE;
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}
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private void visitPrimitiveTypeKind(TypeKind kind) {
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boolean annotated_translation = translateAnnotations();
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if ( annotated_translation )
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return;
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// No annotation type was specified, fall back to default
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String type;
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switch ( kind ) {
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case INT:
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type = "i";
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break;
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case DOUBLE:
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type = "d";
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break;
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case FLOAT:
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type = "f";
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break;
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case SHORT:
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type = "s";
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break;
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case BYTE:
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type = "b";
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break;
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case LONG:
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type = "i64";
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break;
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default:
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throw new RuntimeException(kind + " is not allowed");
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}
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signature.append(type);
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}
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} |