001    /*
002     * Copyright 2010-2013 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.jet.cli.js;
018    
019    import com.google.common.base.Joiner;
020    import com.google.common.base.Predicates;
021    import com.intellij.openapi.Disposable;
022    import com.intellij.openapi.project.Project;
023    import com.intellij.openapi.util.io.FileUtil;
024    import com.intellij.openapi.vfs.VirtualFile;
025    import com.intellij.psi.PsiFile;
026    import com.intellij.util.Function;
027    import com.intellij.util.containers.ContainerUtil;
028    import kotlin.Function0;
029    import org.jetbrains.annotations.NotNull;
030    import org.jetbrains.annotations.Nullable;
031    import org.jetbrains.jet.OutputFileCollection;
032    import org.jetbrains.jet.analyzer.AnalyzeExhaust;
033    import org.jetbrains.jet.cli.common.CLICompiler;
034    import org.jetbrains.jet.cli.common.CLIConfigurationKeys;
035    import org.jetbrains.jet.cli.common.ExitCode;
036    import org.jetbrains.jet.cli.common.arguments.K2JSCompilerArguments;
037    import org.jetbrains.jet.cli.common.arguments.K2JsArgumentConstants;
038    import org.jetbrains.jet.cli.common.messages.AnalyzerWithCompilerReport;
039    import org.jetbrains.jet.cli.common.messages.CompilerMessageLocation;
040    import org.jetbrains.jet.cli.common.messages.CompilerMessageSeverity;
041    import org.jetbrains.jet.cli.common.messages.MessageCollector;
042    import org.jetbrains.jet.cli.common.output.outputUtils.OutputUtilsPackage;
043    import org.jetbrains.jet.cli.jvm.compiler.CompileEnvironmentUtil;
044    import org.jetbrains.jet.cli.jvm.compiler.JetCoreEnvironment;
045    import org.jetbrains.jet.config.CommonConfigurationKeys;
046    import org.jetbrains.jet.config.CompilerConfiguration;
047    import org.jetbrains.jet.config.Services;
048    import org.jetbrains.jet.lang.psi.JetFile;
049    import org.jetbrains.k2js.analyze.TopDownAnalyzerFacadeForJS;
050    import org.jetbrains.k2js.config.*;
051    import org.jetbrains.k2js.facade.K2JSTranslator;
052    import org.jetbrains.k2js.facade.MainCallParameters;
053    
054    import java.io.File;
055    import java.util.Arrays;
056    import java.util.List;
057    
058    import static org.jetbrains.jet.cli.common.ExitCode.COMPILATION_ERROR;
059    import static org.jetbrains.jet.cli.common.ExitCode.OK;
060    import static org.jetbrains.jet.cli.common.messages.CompilerMessageLocation.NO_LOCATION;
061    
062    public class K2JSCompiler extends CLICompiler<K2JSCompilerArguments> {
063    
064        public static void main(String... args) {
065            doMain(new K2JSCompiler(), args);
066        }
067    
068        @NotNull
069        @Override
070        protected K2JSCompilerArguments createArguments() {
071            return new K2JSCompilerArguments();
072        }
073    
074    
075        @NotNull
076        @Override
077        protected ExitCode doExecute(
078                @NotNull K2JSCompilerArguments arguments,
079                @NotNull Services services,
080                @NotNull MessageCollector messageCollector,
081                @NotNull Disposable rootDisposable
082        ) {
083            if (arguments.freeArgs.isEmpty()) {
084                messageCollector.report(CompilerMessageSeverity.ERROR, "Specify at least one source file or directory", NO_LOCATION);
085                return ExitCode.INTERNAL_ERROR;
086            }
087    
088            CompilerConfiguration configuration = new CompilerConfiguration();
089            configuration.put(CLIConfigurationKeys.MESSAGE_COLLECTOR_KEY, messageCollector);
090    
091            CompileEnvironmentUtil.addSourceFilesCheckingForDuplicates(configuration, arguments.freeArgs);
092            JetCoreEnvironment environmentForJS = JetCoreEnvironment.createForProduction(rootDisposable, configuration);
093    
094            Project project = environmentForJS.getProject();
095            List<JetFile> sourcesFiles = environmentForJS.getSourceFiles();
096    
097            ClassPathLibrarySourcesLoader sourceLoader = new ClassPathLibrarySourcesLoader(project);
098            List<JetFile> additionalSourceFiles = sourceLoader.findSourceFiles();
099            sourcesFiles.addAll(additionalSourceFiles);
100    
101            if (arguments.verbose) {
102                reportCompiledSourcesList(messageCollector, sourcesFiles);
103            }
104    
105            if (arguments.outputFile == null) {
106                messageCollector.report(CompilerMessageSeverity.ERROR, "Specify output file via -output", CompilerMessageLocation.NO_LOCATION);
107                return ExitCode.INTERNAL_ERROR;
108            }
109    
110            File outputFile = new File(arguments.outputFile);
111    
112            Config config = getConfig(arguments, project);
113            if (analyzeAndReportErrors(messageCollector, sourcesFiles, config)) {
114                return COMPILATION_ERROR;
115            }
116    
117            File outputPrefixFile = null;
118            if (arguments.outputPrefix != null) {
119                outputPrefixFile = new File(arguments.outputPrefix);
120                if (!outputPrefixFile.exists()) {
121                    messageCollector.report(CompilerMessageSeverity.ERROR,
122                                            "Output prefix file '" + arguments.outputPrefix + "' not found",
123                                            CompilerMessageLocation.NO_LOCATION);
124                    return ExitCode.COMPILATION_ERROR;
125                }
126            }
127    
128            File outputPostfixFile = null;
129            if (arguments.outputPostfix != null) {
130                outputPostfixFile = new File(arguments.outputPostfix);
131                if (!outputPostfixFile.exists()) {
132                    messageCollector.report(CompilerMessageSeverity.ERROR,
133                                            "Output postfix file '" + arguments.outputPostfix + "' not found",
134                                            CompilerMessageLocation.NO_LOCATION);
135                    return ExitCode.COMPILATION_ERROR;
136                }
137            }
138    
139            MainCallParameters mainCallParameters = createMainCallParameters(arguments.main);
140    
141            OutputFileCollection outputFiles = translate(mainCallParameters, config, sourcesFiles, outputFile, outputPrefixFile, outputPostfixFile);
142    
143            OutputUtilsPackage.writeAll(outputFiles, outputFile.getParentFile(), messageCollector);
144    
145            return OK;
146        }
147    
148        private static void reportCompiledSourcesList(@NotNull MessageCollector messageCollector, @NotNull List<JetFile> sourceFiles) {
149            Iterable<String> fileNames = ContainerUtil.map(sourceFiles, new Function<JetFile, String>() {
150                @Override
151                public String fun(@Nullable JetFile file) {
152                    assert file != null;
153                    VirtualFile virtualFile = file.getVirtualFile();
154                    if (virtualFile != null) {
155                        return FileUtil.toSystemIndependentName(virtualFile.getPath());
156                    }
157                    return file.getName() + "(no virtual file)";
158                }
159            });
160            messageCollector.report(CompilerMessageSeverity.LOGGING, "Compiling source files: " + Joiner.on(", ").join(fileNames),
161                                    CompilerMessageLocation.NO_LOCATION);
162        }
163    
164        private static OutputFileCollection translate(
165                @NotNull MainCallParameters mainCall,
166                @NotNull Config config,
167                @NotNull List<JetFile> sourceFiles,
168                @NotNull File outputFile,
169                @Nullable File outputPrefix,
170                @Nullable File outputPostfix
171        ) {
172            try {
173                return K2JSTranslator.translateWithMainCallParameters(mainCall, sourceFiles, outputFile, outputPrefix, outputPostfix, config);
174            }
175            catch (Exception e) {
176                throw new RuntimeException(e);
177            }
178        }
179    
180        private static boolean analyzeAndReportErrors(@NotNull MessageCollector messageCollector,
181                @NotNull final List<JetFile> sources, @NotNull final Config config) {
182            AnalyzerWithCompilerReport analyzerWithCompilerReport = new AnalyzerWithCompilerReport(messageCollector);
183            analyzerWithCompilerReport.analyzeAndReport(sources, new Function0<AnalyzeExhaust>() {
184                @Override
185                public AnalyzeExhaust invoke() {
186                    return TopDownAnalyzerFacadeForJS.analyzeFiles(sources, Predicates.<PsiFile>alwaysTrue(), config);
187                }
188            });
189            return analyzerWithCompilerReport.hasErrors();
190        }
191    
192        @NotNull
193        private static Config getConfig(@NotNull K2JSCompilerArguments arguments, @NotNull Project project) {
194            if (arguments.target != null) {
195                assert arguments.target == "v5" : "Unsupported ECMA version: " + arguments.target;
196            }
197            EcmaVersion ecmaVersion = EcmaVersion.defaultVersion();
198            String moduleId = FileUtil.getNameWithoutExtension(new File(arguments.outputFile));
199            if (arguments.libraryFiles != null) {
200                return new LibrarySourcesConfig(project, moduleId, Arrays.asList(arguments.libraryFiles), ecmaVersion, arguments.sourceMap);
201            }
202            else {
203                // lets discover the JS library definitions on the classpath
204                return new ClassPathLibraryDefintionsConfig(project, moduleId, ecmaVersion, arguments.sourceMap);
205            }
206        }
207    
208        public static MainCallParameters createMainCallParameters(String main) {
209            if (K2JsArgumentConstants.NO_CALL.equals(main)) {
210                return MainCallParameters.noCall();
211            }
212            else {
213                return MainCallParameters.mainWithoutArguments();
214            }
215        }
216    }