001    /*
002     * Copyright 2010-2015 JetBrains s.r.o.
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    
017    package org.jetbrains.kotlin.js.analyze;
018    
019    import com.google.common.collect.ImmutableList;
020    import org.jetbrains.annotations.NotNull;
021    import org.jetbrains.kotlin.builtins.KotlinBuiltIns;
022    import org.jetbrains.kotlin.context.ContextPackage;
023    import org.jetbrains.kotlin.context.ModuleContext;
024    import org.jetbrains.kotlin.context.MutableModuleContext;
025    import org.jetbrains.kotlin.descriptors.ModuleParameters;
026    import org.jetbrains.kotlin.descriptors.PackageFragmentProvider;
027    import org.jetbrains.kotlin.descriptors.impl.ModuleDescriptorImpl;
028    import org.jetbrains.kotlin.di.InjectorForTopDownAnalyzerForJs;
029    import org.jetbrains.kotlin.js.analyzer.JsAnalysisResult;
030    import org.jetbrains.kotlin.js.config.Config;
031    import org.jetbrains.kotlin.name.Name;
032    import org.jetbrains.kotlin.platform.PlatformToKotlinClassMap;
033    import org.jetbrains.kotlin.psi.JetFile;
034    import org.jetbrains.kotlin.resolve.*;
035    import org.jetbrains.kotlin.resolve.lazy.declarations.FileBasedDeclarationProviderFactory;
036    
037    import java.util.ArrayList;
038    import java.util.Collection;
039    import java.util.Collections;
040    import java.util.List;
041    
042    public final class TopDownAnalyzerFacadeForJS {
043        public static final List<ImportPath> DEFAULT_IMPORTS = ImmutableList.of(
044                new ImportPath("java.lang.*"),
045                new ImportPath("kotlin.*"),
046                new ImportPath("kotlin.js.*")
047        );
048    
049        public static ModuleParameters JS_MODULE_PARAMETERS = new ModuleParameters() {
050            @NotNull
051            @Override
052            public List<ImportPath> getDefaultImports() {
053                return DEFAULT_IMPORTS;
054            }
055    
056            @NotNull
057            @Override
058            public PlatformToKotlinClassMap getPlatformToKotlinClassMap() {
059                return PlatformToKotlinClassMap.EMPTY;
060            }
061        };
062    
063        private TopDownAnalyzerFacadeForJS() {
064        }
065    
066        @NotNull
067        public static JsAnalysisResult analyzeFiles(
068                @NotNull Collection<JetFile> files,
069                @NotNull Config config
070        ) {
071            BindingTrace trace = new BindingTraceContext();
072    
073            MutableModuleContext newModuleContext = ContextPackage.ContextForNewModule(
074                    config.getProject(), Name.special("<" + config.getModuleId() + ">"), JS_MODULE_PARAMETERS
075            );
076            newModuleContext.setDependencies(computeDependencies(newModuleContext.getModule(), config));
077            return analyzeFilesWithGivenTrace(files, trace, newModuleContext, config);
078        }
079    
080        @NotNull
081        private static List<ModuleDescriptorImpl> computeDependencies(ModuleDescriptorImpl module, @NotNull Config config) {
082            List<ModuleDescriptorImpl> allDependencies = new ArrayList<ModuleDescriptorImpl>();
083            allDependencies.add(module);
084            allDependencies.addAll(config.getModuleDescriptors());
085            allDependencies.add(KotlinBuiltIns.getInstance().getBuiltInsModule());
086            return allDependencies;
087        }
088    
089        @NotNull
090        public static JsAnalysisResult analyzeFilesWithGivenTrace(
091                @NotNull Collection<JetFile> files,
092                @NotNull BindingTrace trace,
093                @NotNull ModuleContext moduleContext,
094                @NotNull Config config
095        ) {
096            Collection<JetFile> allFiles = Config.withJsLibAdded(files, config);
097    
098            InjectorForTopDownAnalyzerForJs injector = new InjectorForTopDownAnalyzerForJs(
099                    moduleContext, trace, new FileBasedDeclarationProviderFactory(moduleContext.getStorageManager(), allFiles)
100            );
101            try {
102                injector.getLazyTopDownAnalyzerForTopLevel().analyzeFiles(TopDownAnalysisMode.TopLevelDeclarations, files,
103                                                                          Collections.<PackageFragmentProvider>emptyList());
104                return JsAnalysisResult.success(trace, moduleContext.getModule());
105            }
106            finally {
107                injector.destroy();
108            }
109        }
110    
111        public static void checkForErrors(@NotNull Collection<JetFile> allFiles, @NotNull BindingContext bindingContext) {
112            AnalyzingUtils.throwExceptionOnErrors(bindingContext);
113            for (JetFile file : allFiles) {
114                AnalyzingUtils.checkForSyntacticErrors(file);
115            }
116        }
117    }