/*
* Copyright (c) 2012, 2012, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package com.oracle.truffle.dsl.processor.model;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import javax.lang.model.element.AnnotationMirror;
import javax.lang.model.element.TypeElement;
import javax.lang.model.type.TypeMirror;
import com.oracle.truffle.dsl.processor.ProcessorContext;
import com.oracle.truffle.dsl.processor.java.ElementUtils;
public class TypeSystemData extends Template {
private final List<ImplicitCastData> implicitCasts = new ArrayList<>();
private final List<TypeCastData> casts = new ArrayList<>();
private final List<TypeCheckData> checks = new ArrayList<>();
private final List<TypeMirror> legacyTypes = new ArrayList<>();
private Set<String> legacyTypeIds;
private final boolean isDefault;
@SuppressWarnings("deprecation") private final com.oracle.truffle.api.dsl.internal.DSLOptions options;
@SuppressWarnings("deprecation")
public TypeSystemData(ProcessorContext context, TypeElement templateType, AnnotationMirror annotation, com.oracle.truffle.api.dsl.internal.DSLOptions options, boolean isDefault) {
super(context, templateType, annotation);
this.options = options;
this.isDefault = isDefault;
}
public boolean isDefault() {
return isDefault;
}
@SuppressWarnings("deprecation")
public com.oracle.truffle.api.dsl.internal.DSLOptions getOptions() {
return options;
}
@Override
public TypeSystemData getTypeSystem() {
return this;
}
public List<TypeMirror> getLegacyTypes() {
return legacyTypes;
}
public TypeCastData getCast(TypeMirror targetType) {
for (TypeCastData cast : casts) {
if (ElementUtils.typeEquals(cast.getTargetType(), targetType)) {
return cast;
}
}
return null;
}
public TypeCheckData getCheck(TypeMirror type) {
for (TypeCheckData check : checks) {
if (ElementUtils.typeEquals(check.getCheckedType(), type)) {
return check;
}
}
return null;
}
public List<ImplicitCastData> getImplicitCasts() {
return implicitCasts;
}
public List<TypeCastData> getCasts() {
return casts;
}
public List<TypeCheckData> getChecks() {
return checks;
}
@Override
protected List<MessageContainer> findChildContainers() {
List<MessageContainer> sinks = new ArrayList<>();
if (checks != null) {
sinks.addAll(checks);
}
if (casts != null) {
sinks.addAll(casts);
}
if (implicitCasts != null) {
sinks.addAll(implicitCasts);
}
return sinks;
}
@Override
public String toString() {
return getClass().getSimpleName() + "[template = " + ElementUtils.getSimpleName(getTemplateType()) + "]";
}
public List<ImplicitCastData> lookupByTargetType(TypeMirror targetType) {
if (getImplicitCasts() == null) {
return Collections.emptyList();
}
List<ImplicitCastData> foundCasts = new ArrayList<>();
for (ImplicitCastData cast : getImplicitCasts()) {
if (ElementUtils.typeEquals(cast.getTargetType(), targetType)) {
foundCasts.add(cast);
}
}
return foundCasts;
}
public ImplicitCastData lookupCast(TypeMirror sourceType, TypeMirror targetType) {
if (getImplicitCasts() == null) {
return null;
}
for (ImplicitCastData cast : getImplicitCasts()) {
if (ElementUtils.typeEquals(cast.getSourceType(), sourceType) && ElementUtils.typeEquals(cast.getTargetType(), targetType)) {
return cast;
}
}
return null;
}
public boolean hasImplicitSourceTypes(TypeMirror targetType) {
if (getImplicitCasts() == null) {
return false;
}
for (ImplicitCastData cast : getImplicitCasts()) {
if (ElementUtils.typeEquals(cast.getTargetType(), targetType)) {
return true;
}
}
return false;
}
public List<TypeMirror> lookupTargetTypes() {
List<TypeMirror> sourceTypes = new ArrayList<>();
for (ImplicitCastData cast : getImplicitCasts()) {
sourceTypes.add(cast.getTargetType());
}
return ElementUtils.uniqueSortedTypes(sourceTypes, true);
}
public List<TypeMirror> lookupSourceTypes(TypeMirror targetType) {
List<TypeMirror> sourceTypes = new ArrayList<>();
sourceTypes.add(targetType);
for (ImplicitCastData cast : getImplicitCasts()) {
if (ElementUtils.typeEquals(cast.getTargetType(), targetType)) {
sourceTypes.add(cast.getSourceType());
}
}
return ElementUtils.uniqueSortedTypes(sourceTypes, true);
}
public boolean isImplicitSubtypeOf(TypeMirror source, TypeMirror target) {
List<ImplicitCastData> targetCasts = lookupByTargetType(target);
for (ImplicitCastData cast : targetCasts) {
if (ElementUtils.isSubtype(boxType(source), boxType(cast.getSourceType()))) {
return true;
}
}
return ElementUtils.isSubtype(boxType(source), boxType(target));
}
public TypeMirror boxType(TypeMirror type) {
return ElementUtils.boxType(getContext(), type);
}
public boolean hasType(TypeMirror type) {
if (legacyTypeIds == null) {
legacyTypeIds = new HashSet<>();
for (TypeMirror legacyType : legacyTypes) {
legacyTypeIds.add(ElementUtils.getTypeId(legacyType));
}
}
return legacyTypeIds.contains(ElementUtils.getTypeId(type));
}
}