001 /*
002 * Copyright 2010-2014 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.k2js.analyze;
018
019 import com.google.common.base.Predicate;
020 import com.google.common.base.Predicates;
021 import com.google.common.collect.ImmutableList;
022 import com.intellij.openapi.project.Project;
023 import com.intellij.psi.PsiFile;
024 import org.jetbrains.annotations.NotNull;
025 import org.jetbrains.annotations.Nullable;
026 import org.jetbrains.jet.analyzer.AnalyzeExhaust;
027 import org.jetbrains.jet.context.ContextPackage;
028 import org.jetbrains.jet.context.GlobalContextImpl;
029 import org.jetbrains.jet.di.InjectorForLazyResolve;
030 import org.jetbrains.jet.di.InjectorForTopDownAnalyzerForJs;
031 import org.jetbrains.jet.lang.PlatformToKotlinClassMap;
032 import org.jetbrains.jet.lang.descriptors.DependencyKind;
033 import org.jetbrains.jet.lang.descriptors.ModuleDescriptor;
034 import org.jetbrains.jet.lang.descriptors.ModuleDescriptorImpl;
035 import org.jetbrains.jet.lang.psi.JetFile;
036 import org.jetbrains.jet.lang.resolve.*;
037 import org.jetbrains.jet.lang.resolve.lazy.ResolveSession;
038 import org.jetbrains.jet.lang.resolve.lazy.declarations.DeclarationProviderFactory;
039 import org.jetbrains.jet.lang.resolve.name.Name;
040 import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
041 import org.jetbrains.k2js.config.Config;
042
043 import java.util.Collection;
044 import java.util.List;
045
046 import static org.jetbrains.jet.lang.resolve.lazy.declarations.DeclarationProviderFactoryService.createDeclarationProviderFactory;
047
048 public final class AnalyzerFacadeForJS {
049 public static final List<ImportPath> DEFAULT_IMPORTS = ImmutableList.of(
050 new ImportPath("js.*"),
051 new ImportPath("java.lang.*"),
052 new ImportPath("kotlin.*"));
053
054 private AnalyzerFacadeForJS() {
055 }
056
057 @NotNull
058 public static BindingContext analyzeFilesAndCheckErrors(@NotNull List<JetFile> files,
059 @NotNull Config config) {
060 BindingContext bindingContext = analyzeFiles(files, Predicates.<PsiFile>alwaysTrue(), config).getBindingContext();
061 checkForErrors(Config.withJsLibAdded(files, config), bindingContext);
062 return bindingContext;
063 }
064
065
066 //NOTE: web demo related method
067 @SuppressWarnings("UnusedDeclaration")
068 @NotNull
069 public static BindingContext analyzeFiles(@NotNull Collection<JetFile> files, @NotNull Config config) {
070 return analyzeFiles(files, Predicates.<PsiFile>alwaysTrue(), config).getBindingContext();
071 }
072
073 //TODO: refactor
074 @NotNull
075 public static AnalyzeExhaust analyzeFiles(
076 @NotNull Collection<JetFile> files,
077 @NotNull Predicate<PsiFile> filesToAnalyzeCompletely,
078 @NotNull Config config
079 ) {
080 Project project = config.getProject();
081
082 ModuleDescriptorImpl owner = createJsModule("<module>");
083
084 Predicate<PsiFile> completely = Predicates.and(notLibFiles(config.getLibFiles()), filesToAnalyzeCompletely);
085
086 GlobalContextImpl globalContext = ContextPackage.GlobalContext();
087 TopDownAnalysisParameters topDownAnalysisParameters = TopDownAnalysisParameters.create(
088 globalContext.getStorageManager(), globalContext.getExceptionTracker(), completely, false, false);
089
090 ModuleDescriptor libraryModule = config.getLibraryModule();
091 if (libraryModule != null) {
092 owner.addFragmentProvider(DependencyKind.BINARIES, libraryModule.getPackageFragmentProvider()); // "import" analyzed library module
093 }
094
095 BindingContext libraryContext = config.getLibraryContext();
096 BindingTrace trace = libraryContext == null
097 ? new BindingTraceContext()
098 : new DelegatingBindingTrace(libraryContext, "trace with preanalyzed library");
099 InjectorForTopDownAnalyzerForJs injector = new InjectorForTopDownAnalyzerForJs(project, topDownAnalysisParameters, trace, owner);
100 try {
101 Collection<JetFile> allFiles = libraryModule != null ?
102 files :
103 Config.withJsLibAdded(files, config);
104 injector.getTopDownAnalyzer().analyzeFiles(topDownAnalysisParameters, allFiles);
105 return AnalyzeExhaust.success(trace.getBindingContext(), owner);
106 }
107 finally {
108 injector.destroy();
109 }
110 }
111
112 public static void checkForErrors(@NotNull Collection<JetFile> allFiles, @NotNull BindingContext bindingContext) {
113 AnalyzingUtils.throwExceptionOnErrors(bindingContext);
114 for (JetFile file : allFiles) {
115 AnalyzingUtils.checkForSyntacticErrors(file);
116 }
117 }
118
119 @NotNull
120 private static Predicate<PsiFile> notLibFiles(@NotNull final List<JetFile> jsLibFiles) {
121 return new Predicate<PsiFile>() {
122 @Override
123 public boolean apply(@Nullable PsiFile file) {
124 assert file instanceof JetFile;
125 @SuppressWarnings("UnnecessaryLocalVariable") boolean notLibFile = !jsLibFiles.contains(file);
126 return notLibFile;
127 }
128 };
129 }
130
131 @NotNull
132 public static ResolveSession getLazyResolveSession(Collection<JetFile> files, Config config) {
133 GlobalContextImpl globalContext = ContextPackage.GlobalContext();
134 DeclarationProviderFactory declarationProviderFactory =
135 createDeclarationProviderFactory(config.getProject(), globalContext.getStorageManager(),
136 Config.withJsLibAdded(files, config));
137 ModuleDescriptorImpl module = createJsModule("<lazy module>");
138 module.addFragmentProvider(DependencyKind.BUILT_INS, KotlinBuiltIns.getInstance().getBuiltInsModule().getPackageFragmentProvider());
139
140 return new InjectorForLazyResolve(
141 config.getProject(),
142 globalContext,
143 module,
144 declarationProviderFactory,
145 new BindingTraceContext()).getResolveSession();
146 }
147
148 @NotNull
149 private static ModuleDescriptorImpl createJsModule(@NotNull String name) {
150 return new ModuleDescriptorImpl(Name.special(name), DEFAULT_IMPORTS, PlatformToKotlinClassMap.EMPTY);
151 }
152
153 }