/*
* Copyright 2003-2015 JetBrains s.r.o.
*
* 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 jetbrains.mps.project.dependency;
import jetbrains.mps.project.dependency.GlobalModuleDependenciesManager.ErrorHandler;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.mps.annotations.Immutable;
import org.jetbrains.mps.openapi.language.SLanguage;
import org.jetbrains.mps.openapi.module.SDependency;
import org.jetbrains.mps.openapi.module.SDependencyScope;
import org.jetbrains.mps.openapi.module.SModule;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import static org.jetbrains.mps.openapi.module.SDependencyScope.DESIGN;
import static org.jetbrains.mps.openapi.module.SDependencyScope.EXTENDS;
import static org.jetbrains.mps.openapi.module.SDependencyScope.GENERATES_INTO;
/**
* User: shatalin
* Date: 19/11/15
*/
@Immutable
public final class UsedModulesCollector {
private final Map<SLanguage, Collection<SModule>> myLanguageRuntimesCache = new HashMap<>();
@NotNull
public Collection<SModule> directlyUsedModules(@NotNull SModule module, boolean includeNonReexport, boolean runtimes) {
return directlyUsedModules(module, new PostingWarningsErrorHandler(), includeNonReexport, runtimes);
}
@NotNull
public Collection<SModule> directlyUsedModules(@NotNull SModule module, @NotNull ErrorHandler handler, boolean includeNonReexport, boolean runtimes) {
Set<SModule> result = new HashSet<>();
for (SDependency dependency : module.getDeclaredDependencies()) {
SModule dependencyModule = dependency.getTarget();
SDependencyScope scope = dependency.getScope();
if (dependencyModule != null) {
// if module A extends module B, and module C depends from A, module B shall always be part of C dependencies along with A.
boolean isExport = dependency.isReexport() || scope == EXTENDS;
if (includeNonReexport || isExport) {
result.add(dependencyModule);
}
} else {
if (scope != GENERATES_INTO && scope != DESIGN) {
handler.depCannotBeResolved(dependency);
}
}
}
if (includeNonReexport) {
if (runtimes) {
result.addAll(new RuntimesOfUsedLanguageCalculator(module, myLanguageRuntimesCache, handler).invoke());
}
}
return result;
}
}