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/*
* Copyright 2019 Google Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.turbine.processing;
import com.google.common.base.Supplier;
import com.google.common.base.Suppliers;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.ImmutableSetMultimap;
import com.google.turbine.binder.sym.ClassSymbol;
import com.google.turbine.binder.sym.Symbol;
import com.google.turbine.processing.TurbineElement.TurbineTypeElement;
import java.lang.annotation.Annotation;
import java.util.Set;
import javax.annotation.processing.RoundEnvironment;
import javax.lang.model.element.Element;
import javax.lang.model.element.TypeElement;
/** A {@link RoundEnvironment}. */
public class TurbineRoundEnvironment implements RoundEnvironment {
private final ModelFactory factory;
private final ImmutableSet<ClassSymbol> syms;
private final boolean processingOver;
private final boolean errorRaised;
private final ImmutableSetMultimap<ClassSymbol, Symbol> allAnnotations;
// the round environment doesn't outlive the round, so don't worry about resetting this cache
private final Supplier<ImmutableSet<TurbineTypeElement>> rootElements =
Suppliers.memoize(
new Supplier<ImmutableSet<TurbineTypeElement>>() {
@Override
public ImmutableSet<TurbineTypeElement> get() {
ImmutableSet.Builder<TurbineTypeElement> result = ImmutableSet.builder();
for (ClassSymbol sym : syms) {
if (sym.simpleName().contains("$") && factory.getSymbol(sym).owner() != null) {
continue;
}
if (sym.simpleName().equals("package-info")) {
continue;
}
result.add(factory.typeElement(sym));
}
return result.build();
}
});
public TurbineRoundEnvironment(
ModelFactory factory,
ImmutableSet<ClassSymbol> syms,
boolean processingOver,
boolean errorRaised,
ImmutableSetMultimap<ClassSymbol, Symbol> allAnnotations) {
this.factory = factory;
this.syms = syms;
this.processingOver = processingOver;
this.errorRaised = errorRaised;
this.allAnnotations = allAnnotations;
}
@Override
public boolean processingOver() {
return processingOver;
}
@Override
public boolean errorRaised() {
return errorRaised;
}
@Override
public ImmutableSet<TurbineTypeElement> getRootElements() {
return rootElements.get();
}
@Override
public Set<? extends Element> getElementsAnnotatedWith(TypeElement a) {
return factory.elements(allAnnotations.get(((TurbineTypeElement) a).sym()));
}
@Override
public Set<? extends Element> getElementsAnnotatedWith(Class<? extends Annotation> a) {
return getElementsAnnotatedWith(
factory.typeElement(new ClassSymbol(a.getName().replace('.', '/'))));
}
}
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