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.cli.jvm.compiler;
018    
019    import com.google.common.base.Function;
020    import com.google.common.base.Joiner;
021    import com.google.common.collect.Collections2;
022    import com.google.common.collect.Lists;
023    import com.google.common.collect.Maps;
024    import com.intellij.util.ArrayUtil;
025    import kotlin.Unit;
026    import kotlin.jvm.functions.Function0;
027    import kotlin.jvm.functions.Function1;
028    import org.jetbrains.annotations.NotNull;
029    import org.jetbrains.annotations.Nullable;
030    import org.jetbrains.kotlin.analyzer.AnalysisResult;
031    import org.jetbrains.kotlin.asJava.FilteredJvmDiagnostics;
032    import org.jetbrains.kotlin.cli.common.CLIConfigurationKeys;
033    import org.jetbrains.kotlin.cli.common.CompilerPlugin;
034    import org.jetbrains.kotlin.cli.common.CompilerPluginContext;
035    import org.jetbrains.kotlin.cli.common.messages.AnalyzerWithCompilerReport;
036    import org.jetbrains.kotlin.cli.common.messages.MessageCollector;
037    import org.jetbrains.kotlin.cli.common.output.outputUtils.OutputUtilsKt;
038    import org.jetbrains.kotlin.cli.jvm.K2JVMCompiler;
039    import org.jetbrains.kotlin.cli.jvm.config.JVMConfigurationKeys;
040    import org.jetbrains.kotlin.cli.jvm.config.JvmContentRootsKt;
041    import org.jetbrains.kotlin.cli.jvm.config.ModuleNameKt;
042    import org.jetbrains.kotlin.codegen.*;
043    import org.jetbrains.kotlin.codegen.state.GenerationState;
044    import org.jetbrains.kotlin.config.CompilerConfiguration;
045    import org.jetbrains.kotlin.config.ContentRootsKt;
046    import org.jetbrains.kotlin.context.ModuleContext;
047    import org.jetbrains.kotlin.fileClasses.JvmFileClassUtil;
048    import org.jetbrains.kotlin.idea.MainFunctionDetector;
049    import org.jetbrains.kotlin.load.kotlin.ModuleVisibilityManager;
050    import org.jetbrains.kotlin.load.kotlin.incremental.components.IncrementalCache;
051    import org.jetbrains.kotlin.load.kotlin.incremental.components.IncrementalCompilationComponents;
052    import org.jetbrains.kotlin.modules.JavaRootPath;
053    import org.jetbrains.kotlin.modules.Module;
054    import org.jetbrains.kotlin.modules.TargetId;
055    import org.jetbrains.kotlin.modules.TargetIdKt;
056    import org.jetbrains.kotlin.name.FqName;
057    import org.jetbrains.kotlin.parsing.KotlinScriptDefinition;
058    import org.jetbrains.kotlin.parsing.KotlinScriptDefinitionProvider;
059    import org.jetbrains.kotlin.progress.ProgressIndicatorAndCompilationCanceledStatus;
060    import org.jetbrains.kotlin.psi.KtFile;
061    import org.jetbrains.kotlin.resolve.AnalyzerScriptParameter;
062    import org.jetbrains.kotlin.resolve.BindingTrace;
063    import org.jetbrains.kotlin.resolve.BindingTraceContext;
064    import org.jetbrains.kotlin.resolve.ScriptNameUtil;
065    import org.jetbrains.kotlin.resolve.jvm.JvmClassName;
066    import org.jetbrains.kotlin.resolve.jvm.TopDownAnalyzerFacadeForJVM;
067    import org.jetbrains.kotlin.util.PerformanceCounter;
068    import org.jetbrains.kotlin.utils.KotlinPaths;
069    
070    import java.io.File;
071    import java.net.URL;
072    import java.net.URLClassLoader;
073    import java.util.*;
074    import java.util.concurrent.TimeUnit;
075    
076    public class KotlinToJVMBytecodeCompiler {
077    
078        private KotlinToJVMBytecodeCompiler() {
079        }
080    
081        @NotNull
082        private static List<String> getAbsolutePaths(@NotNull File directory, @NotNull Module module) {
083            List<String> result = Lists.newArrayList();
084    
085            for (String sourceFile : module.getSourceFiles()) {
086                File source = new File(sourceFile);
087                if (!source.isAbsolute()) {
088                    source = new File(directory, sourceFile);
089                }
090                result.add(source.getAbsolutePath());
091            }
092            return result;
093        }
094    
095        private static void writeOutput(
096                @NotNull CompilerConfiguration configuration,
097                @NotNull ClassFileFactory outputFiles,
098                @Nullable File outputDir,
099                @Nullable File jarPath,
100                boolean jarRuntime,
101                @Nullable FqName mainClass
102        ) {
103            if (jarPath != null) {
104                CompileEnvironmentUtil.writeToJar(jarPath, jarRuntime, mainClass, outputFiles);
105            }
106            else {
107                MessageCollector messageCollector = configuration.get(CLIConfigurationKeys.MESSAGE_COLLECTOR_KEY, MessageCollector.NONE);
108                OutputUtilsKt.writeAll(outputFiles, outputDir == null ? new File(".") : outputDir, messageCollector);
109            }
110        }
111    
112        public static boolean compileModules(
113                @NotNull KotlinCoreEnvironment environment,
114                @NotNull CompilerConfiguration configuration,
115                @NotNull List<Module> chunk,
116                @NotNull File directory,
117                @Nullable File jarPath,
118                @NotNull List<String> friendPaths,
119                boolean jarRuntime
120        ) {
121            Map<Module, ClassFileFactory> outputFiles = Maps.newHashMap();
122    
123            ProgressIndicatorAndCompilationCanceledStatus.checkCanceled();
124    
125            ModuleVisibilityManager moduleVisibilityManager = ModuleVisibilityManager.SERVICE.getInstance(environment.getProject());
126    
127            for (Module module: chunk) {
128                moduleVisibilityManager.addModule(module);
129            }
130    
131            for (String path : friendPaths) {
132                moduleVisibilityManager.addFriendPath(path);
133            }
134    
135            String targetDescription = "in targets [" + Joiner.on(", ").join(Collections2.transform(chunk, new Function<Module, String>() {
136                @Override
137                public String apply(@Nullable Module input) {
138                    return input != null ? input.getModuleName() + "-" + input.getModuleType() : "<null>";
139                }
140            })) + "] ";
141            AnalysisResult result = analyze(environment, targetDescription);
142            if (result == null) {
143                return false;
144            }
145    
146            ProgressIndicatorAndCompilationCanceledStatus.checkCanceled();
147    
148            result.throwIfError();
149    
150            for (Module module : chunk) {
151                ProgressIndicatorAndCompilationCanceledStatus.checkCanceled();
152                List<KtFile> jetFiles = CompileEnvironmentUtil.getKtFiles(
153                        environment.getProject(), getAbsolutePaths(directory, module), new Function1<String, Unit>() {
154                            @Override
155                            public Unit invoke(String s) {
156                                throw new IllegalStateException("Should have been checked before: " + s);
157                            }
158                        }
159                );
160                File moduleOutputDirectory = new File(module.getOutputDirectory());
161                GenerationState generationState =
162                        generate(environment, result, jetFiles, module, moduleOutputDirectory,
163                                 module.getModuleName());
164                outputFiles.put(module, generationState.getFactory());
165            }
166    
167            for (Module module : chunk) {
168                ProgressIndicatorAndCompilationCanceledStatus.checkCanceled();
169                writeOutput(configuration, outputFiles.get(module), new File(module.getOutputDirectory()), jarPath, jarRuntime, null);
170            }
171            return true;
172        }
173    
174        @NotNull
175        public static CompilerConfiguration createCompilerConfiguration(
176                @NotNull CompilerConfiguration base,
177                @NotNull List<Module> chunk,
178                @NotNull File directory
179        ) {
180            CompilerConfiguration configuration = base.copy();
181    
182            for (Module module : chunk) {
183                ContentRootsKt.addKotlinSourceRoots(configuration, getAbsolutePaths(directory, module));
184            }
185    
186            for (Module module : chunk) {
187                for (JavaRootPath javaRootPath : module.getJavaSourceRoots()) {
188                    JvmContentRootsKt.addJavaSourceRoot(configuration, new File(javaRootPath.getPath()), javaRootPath.getPackagePrefix());
189                }
190            }
191    
192            for (Module module : chunk) {
193                for (String classpathRoot : module.getClasspathRoots()) {
194                    JvmContentRootsKt.addJvmClasspathRoot(configuration, new File(classpathRoot));
195                }
196            }
197    
198            for (Module module : chunk) {
199                configuration.add(JVMConfigurationKeys.MODULES, module);
200            }
201    
202            return configuration;
203        }
204    
205        @Nullable
206        private static FqName findMainClass(@NotNull GenerationState generationState, @NotNull List<KtFile> files) {
207            MainFunctionDetector mainFunctionDetector = new MainFunctionDetector(generationState.getBindingContext());
208            FqName mainClass = null;
209            for (KtFile file : files) {
210                if (mainFunctionDetector.hasMain(file.getDeclarations())) {
211                    if (mainClass != null) {
212                        // more than one main
213                        return null;
214                    }
215                    FqName fqName = file.getPackageFqName();
216                    mainClass = JvmFileClassUtil.getFileClassInfoNoResolve(file).getFacadeClassFqName();
217                }
218            }
219            return mainClass;
220        }
221    
222        public static boolean compileBunchOfSources(
223                @NotNull KotlinCoreEnvironment environment,
224                @Nullable File jar,
225                @Nullable File outputDir,
226                @NotNull List<String> friendPaths,
227                boolean includeRuntime
228        ) {
229    
230            ModuleVisibilityManager moduleVisibilityManager = ModuleVisibilityManager.SERVICE.getInstance(environment.getProject());
231    
232            for (String path : friendPaths) {
233                moduleVisibilityManager.addFriendPath(path);
234            }
235    
236            GenerationState generationState = analyzeAndGenerate(environment);
237            if (generationState == null) {
238                return false;
239            }
240    
241            FqName mainClass = findMainClass(generationState, environment.getSourceFiles());
242    
243            try {
244                writeOutput(environment.getConfiguration(), generationState.getFactory(), outputDir, jar, includeRuntime, mainClass);
245                return true;
246            }
247            finally {
248                generationState.destroy();
249            }
250        }
251    
252        public static void compileAndExecuteScript(
253                @NotNull CompilerConfiguration configuration,
254                @NotNull KotlinPaths paths,
255                @NotNull KotlinCoreEnvironment environment,
256                @NotNull List<String> scriptArgs
257        ) {
258            Class<?> scriptClass = compileScript(configuration, paths, environment);
259            if (scriptClass == null) return;
260    
261            try {
262                scriptClass.getConstructor(String[].class).newInstance(new Object[] {ArrayUtil.toStringArray(scriptArgs)});
263            }
264            catch (RuntimeException e) {
265                throw e;
266            }
267            catch (Exception e) {
268                throw new RuntimeException("Failed to evaluate script: " + e, e);
269            }
270        }
271    
272        @Nullable
273        public static Class<?> compileScript(
274                @NotNull CompilerConfiguration configuration,
275                @NotNull KotlinPaths paths,
276                @NotNull KotlinCoreEnvironment environment
277        ) {
278            List<AnalyzerScriptParameter> scriptParameters = environment.getConfiguration().getList(JVMConfigurationKeys.SCRIPT_PARAMETERS);
279            if (!scriptParameters.isEmpty()) {
280                KotlinScriptDefinitionProvider.getInstance(environment.getProject()).addScriptDefinition(
281                        new KotlinScriptDefinition(".kts", scriptParameters)
282                );
283            }
284            GenerationState state = analyzeAndGenerate(environment);
285            if (state == null) {
286                return null;
287            }
288    
289            GeneratedClassLoader classLoader;
290            try {
291                List<URL> classPaths = Lists.newArrayList(paths.getRuntimePath().toURI().toURL());
292                for (File file : JvmContentRootsKt.getJvmClasspathRoots(configuration)) {
293                    classPaths.add(file.toURI().toURL());
294                }
295                //noinspection UnnecessaryFullyQualifiedName
296                classLoader = new GeneratedClassLoader(state.getFactory(),
297                                                       new URLClassLoader(classPaths.toArray(new URL[classPaths.size()]), null)
298                );
299    
300                FqName nameForScript = ScriptNameUtil.classNameForScript(environment.getSourceFiles().get(0).getScript());
301                return classLoader.loadClass(nameForScript.asString());
302            }
303            catch (Exception e) {
304                throw new RuntimeException("Failed to evaluate script: " + e, e);
305            }
306        }
307    
308        @Nullable
309        public static GenerationState analyzeAndGenerate(@NotNull KotlinCoreEnvironment environment) {
310            AnalysisResult result = analyze(environment, null);
311    
312            if (result == null) {
313                return null;
314            }
315    
316            if (!result.getShouldGenerateCode()) return null;
317    
318            result.throwIfError();
319    
320            return generate(environment, result, environment.getSourceFiles(), null, null, null);
321        }
322    
323        @Nullable
324        private static AnalysisResult analyze(@NotNull final KotlinCoreEnvironment environment, @Nullable String targetDescription) {
325            MessageCollector collector = environment.getConfiguration().get(CLIConfigurationKeys.MESSAGE_COLLECTOR_KEY);
326            assert collector != null;
327    
328            long analysisStart = PerformanceCounter.Companion.currentTime();
329            AnalyzerWithCompilerReport analyzerWithCompilerReport = new AnalyzerWithCompilerReport(collector);
330            analyzerWithCompilerReport.analyzeAndReport(
331                    environment.getSourceFiles(), new Function0<AnalysisResult>() {
332                        @NotNull
333                        @Override
334                        public AnalysisResult invoke() {
335                            BindingTrace sharedTrace = new CliLightClassGenerationSupport.NoScopeRecordCliBindingTrace();
336                            ModuleContext moduleContext = TopDownAnalyzerFacadeForJVM.createContextWithSealedModule(environment.getProject(),
337                                                                                                                    ModuleNameKt
338                                                                                                                            .getModuleName(environment));
339    
340                            return TopDownAnalyzerFacadeForJVM.analyzeFilesWithJavaIntegrationWithCustomContext(
341                                    moduleContext,
342                                    environment.getSourceFiles(),
343                                    sharedTrace,
344                                    environment.getConfiguration().get(JVMConfigurationKeys.MODULES),
345                                    environment.getConfiguration().get(JVMConfigurationKeys.INCREMENTAL_COMPILATION_COMPONENTS),
346                                    new JvmPackagePartProvider(environment)
347                            );
348                        }
349                    }
350            );
351            long analysisNanos = PerformanceCounter.Companion.currentTime() - analysisStart;
352            String message = "ANALYZE: " + environment.getSourceFiles().size() + " files (" +
353                             environment.getSourceLinesOfCode() + " lines) " +
354                             (targetDescription != null ? targetDescription : "") +
355                             "in " + TimeUnit.NANOSECONDS.toMillis(analysisNanos) + " ms";
356            K2JVMCompiler.Companion.reportPerf(environment.getConfiguration(), message);
357    
358            AnalysisResult result = analyzerWithCompilerReport.getAnalysisResult();
359            assert result != null : "AnalysisResult should be non-null, compiling: " + environment.getSourceFiles();
360    
361            CompilerPluginContext context = new CompilerPluginContext(environment.getProject(), result.getBindingContext(),
362                                                                      environment.getSourceFiles());
363            for (CompilerPlugin plugin : environment.getConfiguration().getList(CLIConfigurationKeys.COMPILER_PLUGINS)) {
364                plugin.processFiles(context);
365            }
366    
367            return analyzerWithCompilerReport.hasErrors() ? null : result;
368        }
369    
370        @NotNull
371        private static GenerationState generate(
372                @NotNull KotlinCoreEnvironment environment,
373                @NotNull AnalysisResult result,
374                @NotNull List<KtFile> sourceFiles,
375                @Nullable Module module,
376                File outputDirectory,
377                String moduleName
378        ) {
379            CompilerConfiguration configuration = environment.getConfiguration();
380            IncrementalCompilationComponents incrementalCompilationComponents = configuration.get(JVMConfigurationKeys.INCREMENTAL_COMPILATION_COMPONENTS);
381    
382            Collection<FqName> packagesWithObsoleteParts;
383            List<FqName> obsoleteMultifileClasses;
384            TargetId targetId = null;
385    
386            if (module == null || incrementalCompilationComponents == null) {
387                packagesWithObsoleteParts = Collections.emptySet();
388                obsoleteMultifileClasses = Collections.emptyList();
389            }
390            else {
391                targetId = TargetIdKt.TargetId(module);
392                IncrementalCache incrementalCache = incrementalCompilationComponents.getIncrementalCache(targetId);
393    
394                packagesWithObsoleteParts = new HashSet<FqName>();
395                for (String internalName : incrementalCache.getObsoletePackageParts()) {
396                    packagesWithObsoleteParts.add(JvmClassName.byInternalName(internalName).getPackageFqName());
397                }
398    
399                obsoleteMultifileClasses = new ArrayList<FqName>();
400                for (String obsoleteFacadeInternalName : incrementalCache.getObsoleteMultifileClasses()) {
401                    obsoleteMultifileClasses.add(JvmClassName.byInternalName(obsoleteFacadeInternalName).getFqNameForClassNameWithoutDollars());
402                }
403            }
404            BindingTraceContext diagnosticHolder = new BindingTraceContext();
405            GenerationState generationState = new GenerationState(
406                    environment.getProject(),
407                    ClassBuilderFactories.BINARIES,
408                    result.getModuleDescriptor(),
409                    result.getBindingContext(),
410                    sourceFiles,
411                    configuration.get(JVMConfigurationKeys.DISABLE_CALL_ASSERTIONS, false),
412                    configuration.get(JVMConfigurationKeys.DISABLE_PARAM_ASSERTIONS, false),
413                    GenerationState.GenerateClassFilter.GENERATE_ALL,
414                    configuration.get(JVMConfigurationKeys.DISABLE_INLINE, false),
415                    configuration.get(JVMConfigurationKeys.DISABLE_OPTIMIZATION, false),
416                    /* useTypeTableInSerializer = */ false,
417                    diagnosticHolder,
418                    packagesWithObsoleteParts,
419                    obsoleteMultifileClasses,
420                    targetId,
421                    moduleName,
422                    outputDirectory,
423                    incrementalCompilationComponents
424            );
425            ProgressIndicatorAndCompilationCanceledStatus.checkCanceled();
426    
427            long generationStart = PerformanceCounter.Companion.currentTime();
428    
429            KotlinCodegenFacade.compileCorrectFiles(generationState, CompilationErrorHandler.THROW_EXCEPTION);
430    
431            long generationNanos = PerformanceCounter.Companion.currentTime() - generationStart;
432            String desc = module != null ? "target " + module.getModuleName() + "-" + module.getModuleType() + " " : "";
433            String message = "GENERATE: " + sourceFiles.size() + " files (" +
434                             environment.countLinesOfCode(sourceFiles) + " lines) " + desc + "in " + TimeUnit.NANOSECONDS.toMillis(generationNanos) + " ms";
435            K2JVMCompiler.Companion.reportPerf(environment.getConfiguration(), message);
436            ProgressIndicatorAndCompilationCanceledStatus.checkCanceled();
437    
438            AnalyzerWithCompilerReport.reportDiagnostics(
439                    new FilteredJvmDiagnostics(
440                            diagnosticHolder.getBindingContext().getDiagnostics(),
441                            result.getBindingContext().getDiagnostics()
442                    ),
443                    environment.getConfiguration().get(CLIConfigurationKeys.MESSAGE_COLLECTOR_KEY)
444            );
445            ProgressIndicatorAndCompilationCanceledStatus.checkCanceled();
446            return generationState;
447        }
448    }