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.jet.cli.jvm.compiler;
018
019 import com.google.common.base.Predicates;
020 import com.google.common.collect.Lists;
021 import com.google.common.collect.Maps;
022 import com.intellij.openapi.Disposable;
023 import com.intellij.openapi.util.Disposer;
024 import com.intellij.psi.PsiFile;
025 import com.intellij.util.ArrayUtil;
026 import kotlin.Function0;
027 import kotlin.Function1;
028 import kotlin.Unit;
029 import kotlin.modules.AllModules;
030 import kotlin.modules.Module;
031 import org.jetbrains.annotations.NotNull;
032 import org.jetbrains.annotations.Nullable;
033 import org.jetbrains.jet.analyzer.AnalysisResult;
034 import org.jetbrains.jet.asJava.FilteredJvmDiagnostics;
035 import org.jetbrains.jet.cli.common.CLIConfigurationKeys;
036 import org.jetbrains.jet.cli.common.CompilerPlugin;
037 import org.jetbrains.jet.cli.common.CompilerPluginContext;
038 import org.jetbrains.jet.cli.common.messages.AnalyzerWithCompilerReport;
039 import org.jetbrains.jet.cli.common.messages.MessageCollector;
040 import org.jetbrains.jet.cli.jvm.JVMConfigurationKeys;
041 import org.jetbrains.jet.codegen.*;
042 import org.jetbrains.jet.codegen.state.GenerationState;
043 import org.jetbrains.jet.codegen.state.Progress;
044 import org.jetbrains.jet.config.CompilerConfiguration;
045 import org.jetbrains.jet.lang.descriptors.impl.ModuleDescriptorImpl;
046 import org.jetbrains.jet.lang.parsing.JetScriptDefinition;
047 import org.jetbrains.jet.lang.parsing.JetScriptDefinitionProvider;
048 import org.jetbrains.jet.lang.psi.JetFile;
049 import org.jetbrains.jet.lang.resolve.AnalyzerScriptParameter;
050 import org.jetbrains.jet.lang.resolve.BindingTrace;
051 import org.jetbrains.jet.lang.resolve.BindingTraceContext;
052 import org.jetbrains.jet.lang.resolve.ScriptNameUtil;
053 import org.jetbrains.jet.lang.resolve.java.PackageClassUtils;
054 import org.jetbrains.jet.lang.resolve.java.TopDownAnalyzerFacadeForJVM;
055 import org.jetbrains.jet.lang.resolve.kotlin.incremental.IncrementalPackage;
056 import org.jetbrains.jet.lang.resolve.kotlin.incremental.cache.IncrementalCache;
057 import org.jetbrains.jet.lang.resolve.kotlin.incremental.cache.IncrementalCacheProvider;
058 import org.jetbrains.jet.lang.resolve.name.FqName;
059 import org.jetbrains.jet.plugin.MainFunctionDetector;
060 import org.jetbrains.jet.utils.KotlinPaths;
061
062 import java.io.File;
063 import java.net.URL;
064 import java.net.URLClassLoader;
065 import java.util.*;
066
067 public class KotlinToJVMBytecodeCompiler {
068
069 private KotlinToJVMBytecodeCompiler() {
070 }
071
072 @NotNull
073 private static List<String> getAbsolutePaths(@NotNull File directory, @NotNull Module module) {
074 List<String> result = Lists.newArrayList();
075
076 for (String sourceFile : module.getSourceFiles()) {
077 File source = new File(sourceFile);
078 if (!source.isAbsolute()) {
079 source = new File(directory, sourceFile);
080 }
081
082 if (!source.exists()) {
083 throw new CompileEnvironmentException("'" + source + "' does not exist in module " + module.getModuleName());
084 }
085
086 result.add(source.getAbsolutePath());
087 }
088 return result;
089 }
090
091 private static void writeOutput(
092 @NotNull CompilerConfiguration configuration,
093 @NotNull ClassFileFactory outputFiles,
094 @Nullable File outputDir,
095 @Nullable File jarPath,
096 boolean jarRuntime,
097 @Nullable FqName mainClass
098 ) {
099 MessageCollector messageCollector = configuration.get(CLIConfigurationKeys.MESSAGE_COLLECTOR_KEY, MessageCollector.NONE);
100 CompileEnvironmentUtil.writeOutputToDirOrJar(jarPath, outputDir, jarRuntime, mainClass, outputFiles, messageCollector);
101 }
102
103 public static boolean compileModules(
104 @NotNull CompilerConfiguration configuration,
105 @NotNull List<Module> chunk,
106 @NotNull File directory,
107 @Nullable File jarPath,
108 boolean jarRuntime
109 ) {
110 Map<Module, ClassFileFactory> outputFiles = Maps.newHashMap();
111
112 CompilerConfiguration compilerConfiguration = createCompilerConfiguration(configuration, chunk, directory);
113
114 Disposable parentDisposable = Disposer.newDisposable();
115 JetCoreEnvironment environment = null;
116 try {
117 environment = JetCoreEnvironment.createForProduction(parentDisposable, compilerConfiguration);
118
119 AnalysisResult result = analyze(environment);
120 if (result == null) {
121 return false;
122 }
123
124 result.throwIfError();
125
126 for (Module module : chunk) {
127 List<JetFile> jetFiles = CompileEnvironmentUtil.getJetFiles(
128 environment.getProject(), getAbsolutePaths(directory, module), new Function1<String, Unit>() {
129 @Override
130 public Unit invoke(String s) {
131 throw new IllegalStateException("Should have been checked before: " + s);
132 }
133 }
134 );
135 GenerationState generationState =
136 generate(environment, result, jetFiles, module.getModuleName(), new File(module.getOutputDirectory()));
137 outputFiles.put(module, generationState.getFactory());
138 }
139 }
140 finally {
141 if (environment != null) {
142 Disposer.dispose(parentDisposable);
143 }
144 }
145
146 for (Module module : chunk) {
147 writeOutput(configuration, outputFiles.get(module), new File(module.getOutputDirectory()), jarPath, jarRuntime, null);
148 }
149 return true;
150 }
151
152 @NotNull
153 private static CompilerConfiguration createCompilerConfiguration(
154 @NotNull CompilerConfiguration base,
155 @NotNull List<Module> chunk,
156 @NotNull File directory
157 ) {
158 CompilerConfiguration configuration = base.copy();
159
160 List<String> sourceRoots = Lists.newArrayList();
161
162 for (Module module : chunk) {
163 sourceRoots.addAll(getAbsolutePaths(directory, module));
164
165 for (String classpathRoot : module.getClasspathRoots()) {
166 configuration.add(JVMConfigurationKeys.CLASSPATH_KEY, new File(classpathRoot));
167 }
168
169 for (String annotationsRoot : module.getAnnotationsRoots()) {
170 configuration.add(JVMConfigurationKeys.ANNOTATIONS_PATH_KEY, new File(annotationsRoot));
171 }
172
173 configuration.add(JVMConfigurationKeys.MODULE_IDS, module.getModuleName());
174 }
175
176 CompileEnvironmentUtil.addSourceFilesCheckingForDuplicates(configuration, sourceRoots);
177
178 return configuration;
179 }
180
181 @Nullable
182 private static FqName findMainClass(@NotNull GenerationState generationState, @NotNull List<JetFile> files) {
183 MainFunctionDetector mainFunctionDetector = new MainFunctionDetector(generationState.getBindingContext());
184 FqName mainClass = null;
185 for (JetFile file : files) {
186 if (mainFunctionDetector.hasMain(file.getDeclarations())) {
187 if (mainClass != null) {
188 // more than one main
189 return null;
190 }
191 FqName fqName = file.getPackageFqName();
192 mainClass = PackageClassUtils.getPackageClassFqName(fqName);
193 }
194 }
195 return mainClass;
196 }
197
198 public static boolean compileBunchOfSources(
199 @NotNull JetCoreEnvironment environment,
200 @Nullable File jar,
201 @Nullable File outputDir,
202 boolean includeRuntime
203 ) {
204
205 GenerationState generationState = analyzeAndGenerate(environment);
206 if (generationState == null) {
207 return false;
208 }
209
210 FqName mainClass = findMainClass(generationState, environment.getSourceFiles());
211
212 try {
213 writeOutput(environment.getConfiguration(), generationState.getFactory(), outputDir, jar, includeRuntime, mainClass);
214 return true;
215 }
216 finally {
217 generationState.destroy();
218 }
219 }
220
221 public static void compileAndExecuteScript(
222 @NotNull KotlinPaths paths,
223 @NotNull JetCoreEnvironment environment,
224 @NotNull List<String> scriptArgs
225 ) {
226 Class<?> scriptClass = compileScript(paths, environment);
227 if (scriptClass == null) return;
228
229 try {
230 scriptClass.getConstructor(String[].class).newInstance(new Object[] {ArrayUtil.toStringArray(scriptArgs)});
231 }
232 catch (RuntimeException e) {
233 throw e;
234 }
235 catch (Exception e) {
236 throw new RuntimeException("Failed to evaluate script: " + e, e);
237 }
238 }
239
240 @Nullable
241 public static Class<?> compileScript(@NotNull KotlinPaths paths, @NotNull JetCoreEnvironment environment) {
242 List<AnalyzerScriptParameter> scriptParameters = environment.getConfiguration().getList(JVMConfigurationKeys.SCRIPT_PARAMETERS);
243 if (!scriptParameters.isEmpty()) {
244 JetScriptDefinitionProvider.getInstance(environment.getProject()).addScriptDefinition(
245 new JetScriptDefinition(".kts", scriptParameters)
246 );
247 }
248 GenerationState state = analyzeAndGenerate(environment);
249 if (state == null) {
250 return null;
251 }
252
253 GeneratedClassLoader classLoader;
254 try {
255 classLoader = new GeneratedClassLoader(state.getFactory(),
256 new URLClassLoader(new URL[] {
257 // TODO: add all classpath
258 paths.getRuntimePath().toURI().toURL()
259 }, AllModules.class.getClassLoader())
260 );
261
262 FqName nameForScript = ScriptNameUtil.classNameForScript(environment.getSourceFiles().get(0).getScript());
263 return classLoader.loadClass(nameForScript.asString());
264 }
265 catch (Exception e) {
266 throw new RuntimeException("Failed to evaluate script: " + e, e);
267 }
268 }
269
270 @Nullable
271 public static GenerationState analyzeAndGenerate(@NotNull JetCoreEnvironment environment) {
272 AnalysisResult result = analyze(environment);
273
274 if (result == null) {
275 return null;
276 }
277
278 result.throwIfError();
279
280 return generate(environment, result, environment.getSourceFiles(), null, null);
281 }
282
283 @Nullable
284 private static AnalysisResult analyze(@NotNull final JetCoreEnvironment environment) {
285 AnalyzerWithCompilerReport analyzerWithCompilerReport = new AnalyzerWithCompilerReport(
286 environment.getConfiguration().get(CLIConfigurationKeys.MESSAGE_COLLECTOR_KEY));
287 analyzerWithCompilerReport.analyzeAndReport(
288 environment.getSourceFiles(), new Function0<AnalysisResult>() {
289 @NotNull
290 @Override
291 public AnalysisResult invoke() {
292 CliLightClassGenerationSupport support = CliLightClassGenerationSupport.getInstanceForCli(environment.getProject());
293 BindingTrace sharedTrace = support.getTrace();
294 ModuleDescriptorImpl sharedModule = support.newModule();
295
296 return TopDownAnalyzerFacadeForJVM.analyzeFilesWithJavaIntegration(
297 environment.getProject(),
298 environment.getSourceFiles(),
299 sharedTrace,
300 Predicates.<PsiFile>alwaysTrue(),
301 sharedModule,
302 environment.getConfiguration().get(JVMConfigurationKeys.MODULE_IDS),
303 environment.getConfiguration().get(JVMConfigurationKeys.INCREMENTAL_CACHE_PROVIDER)
304 );
305 }
306 }
307 );
308
309 AnalysisResult result = analyzerWithCompilerReport.getAnalysisResult();
310 assert result != null : "AnalysisResult should be non-null, compiling: " + environment.getSourceFiles();
311
312 CompilerPluginContext context = new CompilerPluginContext(environment.getProject(), result.getBindingContext(),
313 environment.getSourceFiles());
314 for (CompilerPlugin plugin : environment.getConfiguration().getList(CLIConfigurationKeys.COMPILER_PLUGINS)) {
315 plugin.processFiles(context);
316 }
317
318 return analyzerWithCompilerReport.hasErrors() ? null : result;
319 }
320
321 @NotNull
322 private static GenerationState generate(
323 @NotNull JetCoreEnvironment environment,
324 @NotNull AnalysisResult result,
325 @NotNull List<JetFile> sourceFiles,
326 @Nullable String moduleId,
327 File outputDirectory
328 ) {
329 CompilerConfiguration configuration = environment.getConfiguration();
330 IncrementalCacheProvider incrementalCacheProvider = configuration.get(JVMConfigurationKeys.INCREMENTAL_CACHE_PROVIDER);
331
332 Collection<FqName> packagesWithRemovedFiles;
333 if (moduleId == null || incrementalCacheProvider == null) {
334 packagesWithRemovedFiles = null;
335 }
336 else {
337 IncrementalCache incrementalCache = incrementalCacheProvider.getIncrementalCache(moduleId);
338 packagesWithRemovedFiles = IncrementalPackage.getPackagesWithRemovedFiles(incrementalCache, environment.getSourceFiles());
339 }
340 BindingTraceContext diagnosticHolder = new BindingTraceContext();
341 GenerationState generationState = new GenerationState(
342 environment.getProject(),
343 ClassBuilderFactories.BINARIES,
344 Progress.DEAF,
345 result.getModuleDescriptor(),
346 result.getBindingContext(),
347 sourceFiles,
348 configuration.get(JVMConfigurationKeys.DISABLE_CALL_ASSERTIONS, false),
349 configuration.get(JVMConfigurationKeys.DISABLE_PARAM_ASSERTIONS, false),
350 GenerationState.GenerateClassFilter.GENERATE_ALL,
351 configuration.get(JVMConfigurationKeys.DISABLE_INLINE, false),
352 configuration.get(JVMConfigurationKeys.DISABLE_OPTIMIZATION, false),
353 packagesWithRemovedFiles,
354 moduleId,
355 diagnosticHolder,
356 outputDirectory
357 );
358 KotlinCodegenFacade.compileCorrectFiles(generationState, CompilationErrorHandler.THROW_EXCEPTION);
359 AnalyzerWithCompilerReport.reportDiagnostics(
360 new FilteredJvmDiagnostics(
361 diagnosticHolder.getBindingContext().getDiagnostics(),
362 result.getBindingContext().getDiagnostics()
363 ),
364 environment.getConfiguration().get(CLIConfigurationKeys.MESSAGE_COLLECTOR_KEY)
365 );
366 return generationState;
367 }
368 }