lwjgl/src/java/org/lwjgl/util/generator/SignatureTranslator.java

143 lines
4.1 KiB
Java

/*
* Copyright (c) 2002-2004 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,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.lwjgl.util.generator;
/**
*
* A TypeVisitor that translates types to JNI signatures.
*
* @author elias_naur <elias_naur@users.sourceforge.net>
* @version $Revision$
* $Id$
*/
import com.sun.mirror.type.*;
import com.sun.mirror.util.*;
import java.nio.*;
class SignatureTranslator implements TypeVisitor {
private final boolean add_position_signature;
private final StringBuilder signature = new StringBuilder();
SignatureTranslator(boolean add_position_signature) {
this.add_position_signature = add_position_signature;
}
private static String getNativeNameFromClassName(String class_name) {
return class_name.replaceAll("\\.", "/");
}
public String getSignature() {
return signature.toString();
}
public void visitAnnotationType(AnnotationType t) {
throw new RuntimeException(t + " is not allowed");
}
public void visitArrayType(ArrayType t) {
throw new RuntimeException(t + " is not allowed");
}
public void visitClassType(ClassType t) {
String type_name = getNativeNameFromClassName(t.getDeclaration().getQualifiedName());
signature.append("L");
signature.append(type_name);
signature.append(";");
if (add_position_signature && Buffer.class.isAssignableFrom(NativeTypeTranslator.getClassFromType(t))) {
signature.append("I");
}
}
public void visitDeclaredType(DeclaredType t) {
throw new RuntimeException(t + " is not allowed");
}
public void visitEnumType(EnumType t) {
throw new RuntimeException(t + " is not allowed");
}
public void visitInterfaceType(InterfaceType t) {
throw new RuntimeException(t + " is not allowed");
}
public void visitPrimitiveType(PrimitiveType t) {
switch (t.getKind()) {
case BOOLEAN:
signature.append("Z");
break;
case INT:
signature.append("I");
break;
case FLOAT:
signature.append("F");
break;
case SHORT:
signature.append("S");
break;
case DOUBLE:
signature.append("D");
break;
case BYTE:
signature.append("B");
break;
case LONG:
signature.append("J");
break;
default:
throw new RuntimeException("Unsupported type " + t);
}
}
public void visitReferenceType(ReferenceType t) {
throw new RuntimeException(t + " is not allowed");
}
public void visitTypeMirror(TypeMirror t) {
throw new RuntimeException(t + " is not allowed");
}
public void visitTypeVariable(TypeVariable t) {
throw new RuntimeException(t + " is not allowed");
}
public void visitVoidType(VoidType t) {
signature.append("V");
}
public void visitWildcardType(WildcardType t) {
throw new RuntimeException(t + " is not allowed");
}
}