/*
* Copyright (c) 2018, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* The Universal Permissive License (UPL), Version 1.0
*
* Subject to the condition set forth below, permission is hereby granted to any
* person obtaining a copy of this software, associated documentation and/or
* data (collectively the "Software"), free of charge and under any and all
* copyright rights in the Software, and any and all patent rights owned or
* freely licensable by each licensor hereunder covering either (i) the
* unmodified Software as contributed to or provided by such licensor, or (ii)
* the Larger Works (as defined below), to deal in both
*
* (a) the Software, and
*
* (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if
* one is included with the Software each a "Larger Work" to which the Software
* is contributed by such licensors),
*
* without restriction, including without limitation the rights to copy, create
* derivative works of, display, perform, and distribute the Software and make,
* use, sell, offer for sale, import, export, have made, and have sold the
* Software and the Larger Work(s), and to sublicense the foregoing rights on
* either these or other terms.
*
* This license is subject to the following condition:
*
* The above copyright notice and either this complete permission notice or at a
* minimum a reference to the UPL must be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package com.oracle.truffle.js.factory.processor;
import java.util.ArrayList;
import java.util.List;
import javax.annotation.processing.AbstractProcessor;
import javax.lang.model.SourceVersion;
import javax.lang.model.element.ExecutableElement;
import javax.lang.model.element.Modifier;
import javax.lang.model.element.TypeElement;
import javax.lang.model.type.ArrayType;
import javax.lang.model.type.DeclaredType;
import javax.lang.model.type.NoType;
import javax.lang.model.type.TypeKind;
import javax.lang.model.type.TypeMirror;
import javax.lang.model.util.ElementFilter;
public abstract class AbstractFactoryProcessor extends AbstractProcessor {
@Override
public final SourceVersion getSupportedSourceVersion() {
return SourceVersion.latest();
}
protected final List<ExecutableElement> getOverridableMethods(TypeElement typeElement) {
List<ExecutableElement> list = new ArrayList<>();
collectOverridableMethods(typeElement, list);
return list;
}
private void collectOverridableMethods(TypeElement typeElement, List<ExecutableElement> list) {
if (!(typeElement.getSuperclass() instanceof NoType || typeElement.getSuperclass().toString().equals("java.lang.Object"))) {
collectOverridableMethods((TypeElement) processingEnv.getTypeUtils().asElement(typeElement.getSuperclass()), list);
}
typeElement.getInterfaces().forEach(intf -> collectOverridableMethods((TypeElement) processingEnv.getTypeUtils().asElement(intf), list));
ElementFilter.methodsIn(typeElement.getEnclosedElements()).stream().filter(m -> isOverridable(m)).forEach(list::add);
}
protected static boolean isInterface(TypeElement typeElement) {
return (typeElement.getSuperclass() instanceof NoType && !typeElement.toString().equals("java.lang.Object"));
}
private static boolean isOverridable(ExecutableElement m) {
return m.getModifiers().contains(Modifier.PUBLIC) && !m.getModifiers().contains(Modifier.STATIC) && !m.getModifiers().contains(Modifier.FINAL);
}
protected static String getClassLiteralString(TypeMirror type) {
return getErasedTypeName(type) + ".class";
}
protected static String getErasedTypeName(TypeMirror type) {
String qualifiedName;
if (type.getKind() == TypeKind.DECLARED) {
qualifiedName = ((TypeElement) ((DeclaredType) type).asElement()).getQualifiedName().toString();
} else if (type.getKind() == TypeKind.ARRAY) {
qualifiedName = getErasedTypeName(((ArrayType) type).getComponentType()) + "[]";
} else {
qualifiedName = type.toString();
}
return qualifiedName;
}
protected final TypeMirror erasure(TypeMirror type) {
if (type.getKind() == TypeKind.DECLARED || type.getKind() == TypeKind.ARRAY) {
return processingEnv.getTypeUtils().erasure(type);
}
return type;
}
protected final String getPackageName(TypeElement typeElement) {
return processingEnv.getElementUtils().getPackageOf(typeElement).getQualifiedName().toString();
}
}