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SpiModelBindingGraphConverter.java
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SpiModelBindingGraphConverter.java
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/*
* Copyright (C) 2023 The Dagger Authors.
*
* 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 dagger.internal.codegen.validation;
import static androidx.room.compiler.processing.XElementKt.isMethod;
import static androidx.room.compiler.processing.compat.XConverters.getProcessingEnv;
import static androidx.room.compiler.processing.compat.XConverters.toJavac;
import static androidx.room.compiler.processing.compat.XConverters.toKS;
import static androidx.room.compiler.processing.compat.XConverters.toKSResolver;
import static com.google.common.base.Preconditions.checkState;
import static dagger.internal.codegen.extension.DaggerStreams.toImmutableList;
import static dagger.internal.codegen.extension.DaggerStreams.toImmutableMap;
import static dagger.internal.codegen.extension.DaggerStreams.toImmutableSet;
import androidx.room.compiler.processing.XAnnotation;
import androidx.room.compiler.processing.XElement;
import androidx.room.compiler.processing.XExecutableElement;
import androidx.room.compiler.processing.XProcessingEnv;
import androidx.room.compiler.processing.XType;
import androidx.room.compiler.processing.XTypeElement;
import com.google.auto.value.AutoValue;
import com.google.auto.value.extension.memoized.Memoized;
import com.google.common.base.Equivalence;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSetMultimap;
import com.google.common.graph.EndpointPair;
import com.google.common.graph.ImmutableNetwork;
import com.google.common.graph.MutableNetwork;
import com.google.common.graph.Network;
import com.google.common.graph.NetworkBuilder;
import com.google.devtools.ksp.processing.Resolver;
import com.google.devtools.ksp.processing.SymbolProcessorEnvironment;
import com.google.devtools.ksp.symbol.KSAnnotated;
import com.google.devtools.ksp.symbol.KSAnnotation;
import com.google.devtools.ksp.symbol.KSClassDeclaration;
import com.google.devtools.ksp.symbol.KSDeclaration;
import com.google.devtools.ksp.symbol.KSPropertyDeclaration;
import com.google.devtools.ksp.symbol.KSType;
import dagger.internal.codegen.xprocessing.XAnnotations;
import dagger.internal.codegen.xprocessing.XElements;
import dagger.internal.codegen.xprocessing.XTypes;
import dagger.spi.model.Binding;
import dagger.spi.model.BindingGraph;
import dagger.spi.model.BindingGraph.ChildFactoryMethodEdge;
import dagger.spi.model.BindingGraph.ComponentNode;
import dagger.spi.model.BindingGraph.DependencyEdge;
import dagger.spi.model.BindingGraph.Edge;
import dagger.spi.model.BindingGraph.MaybeBinding;
import dagger.spi.model.BindingGraph.MissingBinding;
import dagger.spi.model.BindingGraph.Node;
import dagger.spi.model.BindingGraph.SubcomponentCreatorBindingEdge;
import dagger.spi.model.BindingKind;
import dagger.spi.model.ComponentPath;
import dagger.spi.model.DaggerAnnotation;
import dagger.spi.model.DaggerElement;
import dagger.spi.model.DaggerExecutableElement;
import dagger.spi.model.DaggerProcessingEnv;
import dagger.spi.model.DaggerProcessingEnv.Backend;
import dagger.spi.model.DaggerType;
import dagger.spi.model.DaggerTypeElement;
import dagger.spi.model.DependencyRequest;
import dagger.spi.model.DiagnosticReporter;
import dagger.spi.model.Key;
import dagger.spi.model.RequestKind;
import dagger.spi.model.Scope;
import java.util.Optional;
import javax.annotation.processing.ProcessingEnvironment;
import javax.lang.model.element.AnnotationMirror;
import javax.lang.model.element.Element;
import javax.lang.model.element.ExecutableElement;
import javax.lang.model.element.TypeElement;
import javax.lang.model.type.TypeMirror;
import javax.tools.Diagnostic;
/** A Utility class for converting to the {@link BindingGraph} used by external plugins. */
public final class SpiModelBindingGraphConverter {
private SpiModelBindingGraphConverter() {}
public static DiagnosticReporter toSpiModel(
dagger.internal.codegen.model.DiagnosticReporter reporter) {
return DiagnosticReporterImpl.create(reporter);
}
public static BindingGraph toSpiModel(
dagger.internal.codegen.model.BindingGraph graph, XProcessingEnv env) {
return BindingGraphImpl.create(graph, env);
}
private static ImmutableNetwork<Node, Edge> toSpiModel(
Network<
dagger.internal.codegen.model.BindingGraph.Node,
dagger.internal.codegen.model.BindingGraph.Edge>
internalNetwork,
XProcessingEnv env) {
MutableNetwork<Node, Edge> network =
NetworkBuilder.directed().allowsParallelEdges(true).allowsSelfLoops(true).build();
ImmutableMap<dagger.internal.codegen.model.BindingGraph.Node, Node> fromInternalNodes =
internalNetwork.nodes().stream()
.collect(
toImmutableMap(
node -> node, node -> SpiModelBindingGraphConverter.toSpiModel(node, env)));
for (Node node : fromInternalNodes.values()) {
network.addNode(node);
}
for (dagger.internal.codegen.model.BindingGraph.Edge edge : internalNetwork.edges()) {
EndpointPair<dagger.internal.codegen.model.BindingGraph.Node> edgePair =
internalNetwork.incidentNodes(edge);
network.addEdge(
fromInternalNodes.get(edgePair.source()),
fromInternalNodes.get(edgePair.target()),
toSpiModel(edge, env));
}
return ImmutableNetwork.copyOf(network);
}
private static Node toSpiModel(
dagger.internal.codegen.model.BindingGraph.Node node, XProcessingEnv env) {
if (node instanceof dagger.internal.codegen.model.Binding) {
return BindingNodeImpl.create((dagger.internal.codegen.model.Binding) node, env);
} else if (node instanceof dagger.internal.codegen.model.BindingGraph.ComponentNode) {
return ComponentNodeImpl.create(
(dagger.internal.codegen.model.BindingGraph.ComponentNode) node, env);
} else if (node instanceof dagger.internal.codegen.model.BindingGraph.MissingBinding) {
return MissingBindingImpl.create(
(dagger.internal.codegen.model.BindingGraph.MissingBinding) node, env);
} else {
throw new IllegalStateException("Unhandled node type: " + node.getClass());
}
}
private static Edge toSpiModel(
dagger.internal.codegen.model.BindingGraph.Edge edge, XProcessingEnv env) {
if (edge instanceof dagger.internal.codegen.model.BindingGraph.DependencyEdge) {
return DependencyEdgeImpl.create(
(dagger.internal.codegen.model.BindingGraph.DependencyEdge) edge, env);
} else if (edge instanceof dagger.internal.codegen.model.BindingGraph.ChildFactoryMethodEdge) {
return ChildFactoryMethodEdgeImpl.create(
(dagger.internal.codegen.model.BindingGraph.ChildFactoryMethodEdge) edge, env);
} else if (edge
instanceof dagger.internal.codegen.model.BindingGraph.SubcomponentCreatorBindingEdge) {
return SubcomponentCreatorBindingEdgeImpl.create(
(dagger.internal.codegen.model.BindingGraph.SubcomponentCreatorBindingEdge) edge, env);
} else {
throw new IllegalStateException("Unhandled edge type: " + edge.getClass());
}
}
private static Key toSpiModel(dagger.internal.codegen.model.Key key) {
Key.Builder builder =
Key.builder(toSpiModel(key.type().xprocessing()))
.qualifier(key.qualifier().map(qualifier -> toSpiModel(qualifier.xprocessing())));
if (key.multibindingContributionIdentifier().isPresent()) {
return builder
.multibindingContributionIdentifier(
toSpiModel(
key.multibindingContributionIdentifier()
.get()
.contributingModule()
.xprocessing()),
toSpiModel(
key.multibindingContributionIdentifier().get().bindingMethod().xprocessing()))
.build();
}
return builder.build().withoutMultibindingContributionIdentifier();
}
private static BindingKind toSpiModel(dagger.internal.codegen.model.BindingKind bindingKind) {
return BindingKind.valueOf(bindingKind.name());
}
private static RequestKind toSpiModel(dagger.internal.codegen.model.RequestKind requestKind) {
return RequestKind.valueOf(requestKind.name());
}
@SuppressWarnings("CheckReturnValue")
private static DependencyRequest toSpiModel(
dagger.internal.codegen.model.DependencyRequest request) {
DependencyRequest.Builder builder =
DependencyRequest.builder()
.kind(toSpiModel(request.kind()))
.key(toSpiModel(request.key()))
.isNullable(request.isNullable());
request.requestElement().ifPresent(e -> builder.requestElement(toSpiModel(e.xprocessing())));
return builder.build();
}
private static Scope toSpiModel(dagger.internal.codegen.model.Scope scope) {
return Scope.scope(toSpiModel(scope.scopeAnnotation().xprocessing()));
}
private static ComponentPath toSpiModel(dagger.internal.codegen.model.ComponentPath path) {
return ComponentPath.create(
path.components().stream()
.map(component -> toSpiModel(component.xprocessing()))
.collect(toImmutableList()));
}
private static DaggerTypeElement toSpiModel(XTypeElement typeElement) {
return DaggerTypeElementImpl.from(typeElement);
}
private static DaggerType toSpiModel(XType type) {
return DaggerTypeImpl.from(type);
}
static DaggerAnnotation toSpiModel(XAnnotation annotation) {
return DaggerAnnotationImpl.from(annotation);
}
private static DaggerElement toSpiModel(XElement element) {
return DaggerElementImpl.from(element);
}
private static DaggerExecutableElement toSpiModel(XExecutableElement executableElement) {
return DaggerExecutableElementImpl.from(executableElement);
}
static DaggerProcessingEnv toSpiModel(XProcessingEnv env) {
return DaggerProcessingEnvImpl.from(env);
}
private static dagger.internal.codegen.model.BindingGraph.ComponentNode toInternal(
ComponentNode componentNode) {
return ((ComponentNodeImpl) componentNode).internalDelegate();
}
private static dagger.internal.codegen.model.BindingGraph.MaybeBinding toInternal(
MaybeBinding maybeBinding) {
if (maybeBinding instanceof MissingBindingImpl) {
return ((MissingBindingImpl) maybeBinding).internalDelegate();
} else if (maybeBinding instanceof BindingNodeImpl) {
return ((BindingNodeImpl) maybeBinding).internalDelegate();
} else {
throw new IllegalStateException("Unhandled binding type: " + maybeBinding.getClass());
}
}
private static dagger.internal.codegen.model.BindingGraph.DependencyEdge toInternal(
DependencyEdge dependencyEdge) {
return ((DependencyEdgeImpl) dependencyEdge).internalDelegate();
}
private static dagger.internal.codegen.model.BindingGraph.ChildFactoryMethodEdge toInternal(
ChildFactoryMethodEdge childFactoryMethodEdge) {
return ((ChildFactoryMethodEdgeImpl) childFactoryMethodEdge).internalDelegate();
}
@AutoValue
abstract static class ComponentNodeImpl implements ComponentNode {
static ComponentNode create(
dagger.internal.codegen.model.BindingGraph.ComponentNode componentNode,
XProcessingEnv env) {
return new AutoValue_SpiModelBindingGraphConverter_ComponentNodeImpl(
toSpiModel(componentNode.componentPath()),
componentNode.isSubcomponent(),
componentNode.isRealComponent(),
componentNode.entryPoints().stream()
.map(SpiModelBindingGraphConverter::toSpiModel)
.collect(toImmutableSet()),
componentNode.scopes().stream()
.map(SpiModelBindingGraphConverter::toSpiModel)
.collect(toImmutableSet()),
componentNode);
}
abstract dagger.internal.codegen.model.BindingGraph.ComponentNode internalDelegate();
@Override
public final String toString() {
return internalDelegate().toString();
}
}
@AutoValue
abstract static class BindingNodeImpl implements Binding {
static Binding create(dagger.internal.codegen.model.Binding binding, XProcessingEnv env) {
return new AutoValue_SpiModelBindingGraphConverter_BindingNodeImpl(
toSpiModel(binding.key()),
toSpiModel(binding.componentPath()),
binding.dependencies().stream()
.map(SpiModelBindingGraphConverter::toSpiModel)
.collect(toImmutableSet()),
binding.bindingElement().map(element -> toSpiModel(element.xprocessing())),
binding.contributingModule().map(module -> toSpiModel(module.xprocessing())),
binding.requiresModuleInstance(),
binding.scope().map(SpiModelBindingGraphConverter::toSpiModel),
binding.isNullable(),
binding.isProduction(),
toSpiModel(binding.kind()),
binding);
}
abstract dagger.internal.codegen.model.Binding internalDelegate();
@Override
public final String toString() {
return internalDelegate().toString();
}
}
@AutoValue
abstract static class MissingBindingImpl extends MissingBinding {
static MissingBinding create(
dagger.internal.codegen.model.BindingGraph.MissingBinding missingBinding,
XProcessingEnv env) {
return new AutoValue_SpiModelBindingGraphConverter_MissingBindingImpl(
toSpiModel(missingBinding.componentPath()),
toSpiModel(missingBinding.key()),
missingBinding);
}
abstract dagger.internal.codegen.model.BindingGraph.MissingBinding internalDelegate();
@Memoized
@Override
public abstract int hashCode();
@Override
public abstract boolean equals(Object o);
}
@AutoValue
abstract static class DependencyEdgeImpl implements DependencyEdge {
static DependencyEdge create(
dagger.internal.codegen.model.BindingGraph.DependencyEdge dependencyEdge,
XProcessingEnv env) {
return new AutoValue_SpiModelBindingGraphConverter_DependencyEdgeImpl(
toSpiModel(dependencyEdge.dependencyRequest()),
dependencyEdge.isEntryPoint(),
dependencyEdge);
}
abstract dagger.internal.codegen.model.BindingGraph.DependencyEdge internalDelegate();
@Override
public final String toString() {
return internalDelegate().toString();
}
}
@AutoValue
abstract static class ChildFactoryMethodEdgeImpl implements ChildFactoryMethodEdge {
static ChildFactoryMethodEdge create(
dagger.internal.codegen.model.BindingGraph.ChildFactoryMethodEdge childFactoryMethodEdge,
XProcessingEnv env) {
return new AutoValue_SpiModelBindingGraphConverter_ChildFactoryMethodEdgeImpl(
toSpiModel(childFactoryMethodEdge.factoryMethod().xprocessing()), childFactoryMethodEdge);
}
abstract dagger.internal.codegen.model.BindingGraph.ChildFactoryMethodEdge internalDelegate();
@Override
public final String toString() {
return internalDelegate().toString();
}
}
@AutoValue
abstract static class SubcomponentCreatorBindingEdgeImpl
implements SubcomponentCreatorBindingEdge {
static SubcomponentCreatorBindingEdge create(
dagger.internal.codegen.model.BindingGraph.SubcomponentCreatorBindingEdge
subcomponentCreatorBindingEdge,
XProcessingEnv env) {
return new AutoValue_SpiModelBindingGraphConverter_SubcomponentCreatorBindingEdgeImpl(
subcomponentCreatorBindingEdge.declaringModules().stream()
.map(module -> toSpiModel(module.xprocessing()))
.collect(toImmutableSet()),
subcomponentCreatorBindingEdge);
}
abstract dagger.internal.codegen.model.BindingGraph.SubcomponentCreatorBindingEdge
internalDelegate();
@Override
public final String toString() {
return internalDelegate().toString();
}
}
@AutoValue
abstract static class BindingGraphImpl extends BindingGraph {
static BindingGraph create(
dagger.internal.codegen.model.BindingGraph bindingGraph, XProcessingEnv env) {
BindingGraphImpl bindingGraphImpl =
new AutoValue_SpiModelBindingGraphConverter_BindingGraphImpl(
toSpiModel(bindingGraph.network(), env),
bindingGraph.isFullBindingGraph(),
Backend.valueOf(env.getBackend().name()));
bindingGraphImpl.componentNodesByPath =
bindingGraphImpl.componentNodes().stream()
.collect(toImmutableMap(ComponentNode::componentPath, node -> node));
return bindingGraphImpl;
}
private ImmutableMap<ComponentPath, ComponentNode> componentNodesByPath;
// This overrides dagger.model.BindingGraph with a more efficient implementation.
@Override
public Optional<ComponentNode> componentNode(ComponentPath componentPath) {
return componentNodesByPath.containsKey(componentPath)
? Optional.of(componentNodesByPath.get(componentPath))
: Optional.empty();
}
// This overrides dagger.model.BindingGraph to memoize the output.
@Override
@Memoized
public ImmutableSetMultimap<Class<? extends Node>, ? extends Node> nodesByClass() {
return super.nodesByClass();
}
}
@AutoValue
abstract static class DaggerElementImpl extends DaggerElement {
public static DaggerElement from(XElement element) {
return new AutoValue_SpiModelBindingGraphConverter_DaggerElementImpl(element);
}
abstract XElement element();
@Override
public Element javac() {
checkIsJavac(backend());
return toJavac(element());
}
@Override
public KSAnnotated ksp() {
checkIsKsp(backend());
return toKS(element());
}
@Override
public DaggerProcessingEnv.Backend backend() {
return getBackend(getProcessingEnv(element()));
}
@Override
public final String toString() {
return XElements.toStableString(element());
}
}
@AutoValue
abstract static class DaggerTypeElementImpl extends DaggerTypeElement {
public static DaggerTypeElement from(XTypeElement element) {
return new AutoValue_SpiModelBindingGraphConverter_DaggerTypeElementImpl(element);
}
abstract XTypeElement element();
@Override
public TypeElement javac() {
checkIsJavac(backend());
return toJavac(element());
}
@Override
public KSClassDeclaration ksp() {
checkIsKsp(backend());
return toKS(element());
}
@Override
public DaggerProcessingEnv.Backend backend() {
return getBackend(getProcessingEnv(element()));
}
@Override
public final String toString() {
return XElements.toStableString(element());
}
}
@AutoValue
abstract static class DaggerTypeImpl extends DaggerType {
public static DaggerType from(XType type) {
return new AutoValue_SpiModelBindingGraphConverter_DaggerTypeImpl(
XTypes.equivalence().wrap(type));
}
abstract Equivalence.Wrapper<XType> type();
@Override
public TypeMirror javac() {
checkIsJavac(backend());
return toJavac(type().get());
}
@Override
public KSType ksp() {
checkIsKsp(backend());
return toKS(type().get());
}
@Override
public DaggerProcessingEnv.Backend backend() {
return getBackend(getProcessingEnv(type().get()));
}
@Override
public final String toString() {
return XTypes.toStableString(type().get());
}
}
@AutoValue
abstract static class DaggerAnnotationImpl extends DaggerAnnotation {
public static DaggerAnnotation from(XAnnotation annotation) {
return new AutoValue_SpiModelBindingGraphConverter_DaggerAnnotationImpl(
XAnnotations.equivalence().wrap(annotation));
}
abstract Equivalence.Wrapper<XAnnotation> annotation();
@Override
public DaggerTypeElement annotationTypeElement() {
return DaggerTypeElementImpl.from(annotation().get().getTypeElement());
}
@Override
public AnnotationMirror javac() {
checkIsJavac(backend());
return toJavac(annotation().get());
}
@Override
public KSAnnotation ksp() {
checkIsKsp(backend());
return toKS(annotation().get());
}
@Override
public DaggerProcessingEnv.Backend backend() {
return getBackend(getProcessingEnv(annotation().get()));
}
@Override
public final String toString() {
return XAnnotations.toStableString(annotation().get());
}
}
@AutoValue
abstract static class DaggerExecutableElementImpl extends DaggerExecutableElement {
public static DaggerExecutableElement from(XExecutableElement executableElement) {
return new AutoValue_SpiModelBindingGraphConverter_DaggerExecutableElementImpl(
executableElement);
}
abstract XExecutableElement executableElement();
@Override
public ExecutableElement javac() {
checkIsJavac(backend());
return toJavac(executableElement());
}
@Override
public KSDeclaration ksp() {
checkIsKsp(backend());
return isMethod(executableElement())
&& XElements.asMethod(executableElement()).isKotlinPropertyMethod()
? (KSPropertyDeclaration) toKS((XElement) executableElement())
: toKS(executableElement());
}
@Override
public DaggerProcessingEnv.Backend backend() {
return getBackend(getProcessingEnv(executableElement()));
}
@Override
public final String toString() {
return XElements.toStableString(executableElement());
}
}
private static class DaggerProcessingEnvImpl extends DaggerProcessingEnv {
private final XProcessingEnv env;
public static DaggerProcessingEnv from(XProcessingEnv env) {
return new DaggerProcessingEnvImpl(env);
}
DaggerProcessingEnvImpl(XProcessingEnv env) {
this.env = env;
}
@Override
public ProcessingEnvironment javac() {
checkIsJavac(backend());
return toJavac(env);
}
@Override
public SymbolProcessorEnvironment ksp() {
checkIsKsp(backend());
return toKS(env);
}
@Override
public Resolver resolver() {
return toKSResolver(env);
}
@Override
public DaggerProcessingEnv.Backend backend() {
return getBackend(env);
}
}
private static void checkIsJavac(DaggerProcessingEnv.Backend backend) {
checkState(
backend == DaggerProcessingEnv.Backend.JAVAC,
"Expected JAVAC backend but was: %s", backend);
}
private static void checkIsKsp(DaggerProcessingEnv.Backend backend) {
checkState(
backend == DaggerProcessingEnv.Backend.KSP,
"Expected KSP backend but was: %s", backend);
}
private static DaggerProcessingEnv.Backend getBackend(XProcessingEnv env) {
switch (env.getBackend()) {
case JAVAC:
return DaggerProcessingEnv.Backend.JAVAC;
case KSP:
return DaggerProcessingEnv.Backend.KSP;
}
throw new AssertionError(String.format("Unexpected backend %s", env.getBackend()));
}
private static final class DiagnosticReporterImpl extends DiagnosticReporter {
static DiagnosticReporterImpl create(
dagger.internal.codegen.model.DiagnosticReporter reporter) {
return new DiagnosticReporterImpl(reporter);
}
private final dagger.internal.codegen.model.DiagnosticReporter delegate;
DiagnosticReporterImpl(dagger.internal.codegen.model.DiagnosticReporter delegate) {
this.delegate = delegate;
}
@Override
public void reportComponent(
Diagnostic.Kind diagnosticKind, ComponentNode componentNode, String message) {
delegate.reportComponent(diagnosticKind, toInternal(componentNode), message);
}
@Override
public void reportBinding(
Diagnostic.Kind diagnosticKind, MaybeBinding binding, String message) {
delegate.reportBinding(diagnosticKind, toInternal(binding), message);
}
@Override
public void reportDependency(
Diagnostic.Kind diagnosticKind, DependencyEdge dependencyEdge, String message) {
delegate.reportDependency(diagnosticKind, toInternal(dependencyEdge), message);
}
@Override
public void reportSubcomponentFactoryMethod(
Diagnostic.Kind diagnosticKind,
ChildFactoryMethodEdge childFactoryMethodEdge,
String message) {
delegate.reportSubcomponentFactoryMethod(
diagnosticKind, toInternal(childFactoryMethodEdge), message);
}
}
}