Tue, 24 Aug 2010 15:09:21 -0700
6929404: Filer.getResource(SOURCE_PATH, ...) does not work when -sourcepath contains >1 entry
Reviewed-by: darcy
duke@1 | 1 | /* |
ohair@554 | 2 | * Copyright (c) 2005, 2009, Oracle and/or its affiliates. All rights reserved. |
duke@1 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@1 | 4 | * |
duke@1 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@1 | 6 | * under the terms of the GNU General Public License version 2 only, as |
ohair@554 | 7 | * published by the Free Software Foundation. Oracle designates this |
duke@1 | 8 | * particular file as subject to the "Classpath" exception as provided |
ohair@554 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
duke@1 | 10 | * |
duke@1 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@1 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@1 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@1 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@1 | 15 | * accompanied this code). |
duke@1 | 16 | * |
duke@1 | 17 | * You should have received a copy of the GNU General Public License version |
duke@1 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@1 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@1 | 20 | * |
ohair@554 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
ohair@554 | 22 | * or visit www.oracle.com if you need additional information or have any |
ohair@554 | 23 | * questions. |
duke@1 | 24 | */ |
duke@1 | 25 | |
duke@1 | 26 | package com.sun.tools.javac.processing; |
duke@1 | 27 | |
jjg@50 | 28 | import java.lang.reflect.*; |
jjg@50 | 29 | import java.util.*; |
jjg@50 | 30 | import java.util.regex.*; |
jjg@50 | 31 | |
jjg@50 | 32 | import java.net.URL; |
jjg@50 | 33 | import java.io.Closeable; |
jjg@50 | 34 | import java.io.File; |
jjg@50 | 35 | import java.io.PrintWriter; |
jjg@50 | 36 | import java.io.IOException; |
jjg@50 | 37 | import java.net.MalformedURLException; |
duke@1 | 38 | import java.io.StringWriter; |
duke@1 | 39 | |
duke@1 | 40 | import javax.annotation.processing.*; |
duke@1 | 41 | import javax.lang.model.SourceVersion; |
duke@1 | 42 | import javax.lang.model.element.AnnotationMirror; |
duke@1 | 43 | import javax.lang.model.element.Element; |
duke@1 | 44 | import javax.lang.model.element.TypeElement; |
duke@1 | 45 | import javax.lang.model.element.PackageElement; |
duke@1 | 46 | import javax.lang.model.util.*; |
duke@1 | 47 | import javax.tools.JavaFileManager; |
duke@1 | 48 | import javax.tools.StandardJavaFileManager; |
duke@1 | 49 | import javax.tools.JavaFileObject; |
duke@1 | 50 | import javax.tools.DiagnosticListener; |
jjg@50 | 51 | |
jjg@310 | 52 | import com.sun.source.util.AbstractTypeProcessor; |
jjg@50 | 53 | import com.sun.source.util.TaskEvent; |
jjg@50 | 54 | import com.sun.source.util.TaskListener; |
jjg@50 | 55 | import com.sun.tools.javac.api.JavacTaskImpl; |
jjg@50 | 56 | import com.sun.tools.javac.code.*; |
jjg@50 | 57 | import com.sun.tools.javac.code.Symbol.*; |
jjg@50 | 58 | import com.sun.tools.javac.file.JavacFileManager; |
jjg@50 | 59 | import com.sun.tools.javac.jvm.*; |
jjg@50 | 60 | import com.sun.tools.javac.main.JavaCompiler; |
jjg@310 | 61 | import com.sun.tools.javac.main.JavaCompiler.CompileState; |
jjg@50 | 62 | import com.sun.tools.javac.model.JavacElements; |
jjg@50 | 63 | import com.sun.tools.javac.model.JavacTypes; |
jjg@50 | 64 | import com.sun.tools.javac.parser.*; |
jjg@50 | 65 | import com.sun.tools.javac.tree.*; |
jjg@50 | 66 | import com.sun.tools.javac.tree.JCTree.*; |
jjg@50 | 67 | import com.sun.tools.javac.util.Abort; |
jjg@50 | 68 | import com.sun.tools.javac.util.Context; |
jjg@483 | 69 | import com.sun.tools.javac.util.Convert; |
jjg@50 | 70 | import com.sun.tools.javac.util.List; |
jjg@50 | 71 | import com.sun.tools.javac.util.Log; |
mcimadamore@136 | 72 | import com.sun.tools.javac.util.JavacMessages; |
jjg@50 | 73 | import com.sun.tools.javac.util.Name; |
jjg@113 | 74 | import com.sun.tools.javac.util.Names; |
jjg@50 | 75 | import com.sun.tools.javac.util.Options; |
jjg@50 | 76 | |
duke@1 | 77 | import static javax.tools.StandardLocation.*; |
duke@1 | 78 | |
duke@1 | 79 | /** |
duke@1 | 80 | * Objects of this class hold and manage the state needed to support |
duke@1 | 81 | * annotation processing. |
duke@1 | 82 | * |
jjg@581 | 83 | * <p><b>This is NOT part of any supported API. |
duke@1 | 84 | * If you write code that depends on this, you do so at your own risk. |
duke@1 | 85 | * This code and its internal interfaces are subject to change or |
duke@1 | 86 | * deletion without notice.</b> |
duke@1 | 87 | */ |
duke@1 | 88 | public class JavacProcessingEnvironment implements ProcessingEnvironment, Closeable { |
duke@1 | 89 | Options options; |
duke@1 | 90 | |
duke@1 | 91 | private final boolean printProcessorInfo; |
duke@1 | 92 | private final boolean printRounds; |
duke@1 | 93 | private final boolean verbose; |
duke@1 | 94 | private final boolean lint; |
duke@1 | 95 | private final boolean procOnly; |
duke@1 | 96 | private final boolean fatalErrors; |
jjg@614 | 97 | private final boolean werror; |
jjg@310 | 98 | private boolean foundTypeProcessors; |
duke@1 | 99 | |
duke@1 | 100 | private final JavacFiler filer; |
duke@1 | 101 | private final JavacMessager messager; |
duke@1 | 102 | private final JavacElements elementUtils; |
duke@1 | 103 | private final JavacTypes typeUtils; |
duke@1 | 104 | |
duke@1 | 105 | /** |
duke@1 | 106 | * Holds relevant state history of which processors have been |
duke@1 | 107 | * used. |
duke@1 | 108 | */ |
duke@1 | 109 | private DiscoveredProcessors discoveredProcs; |
duke@1 | 110 | |
duke@1 | 111 | /** |
duke@1 | 112 | * Map of processor-specific options. |
duke@1 | 113 | */ |
duke@1 | 114 | private final Map<String, String> processorOptions; |
duke@1 | 115 | |
duke@1 | 116 | /** |
duke@1 | 117 | */ |
duke@1 | 118 | private final Set<String> unmatchedProcessorOptions; |
duke@1 | 119 | |
duke@1 | 120 | /** |
duke@1 | 121 | * Annotations implicitly processed and claimed by javac. |
duke@1 | 122 | */ |
duke@1 | 123 | private final Set<String> platformAnnotations; |
duke@1 | 124 | |
duke@1 | 125 | /** |
duke@1 | 126 | * Set of packages given on command line. |
duke@1 | 127 | */ |
duke@1 | 128 | private Set<PackageSymbol> specifiedPackages = Collections.emptySet(); |
duke@1 | 129 | |
duke@1 | 130 | /** The log to be used for error reporting. |
duke@1 | 131 | */ |
duke@1 | 132 | Log log; |
duke@1 | 133 | |
duke@1 | 134 | /** |
duke@1 | 135 | * Source level of the compile. |
duke@1 | 136 | */ |
duke@1 | 137 | Source source; |
duke@1 | 138 | |
jjg@372 | 139 | private ClassLoader processorClassLoader; |
jjg@372 | 140 | |
mcimadamore@136 | 141 | /** |
mcimadamore@136 | 142 | * JavacMessages object used for localization |
mcimadamore@136 | 143 | */ |
mcimadamore@136 | 144 | private JavacMessages messages; |
mcimadamore@136 | 145 | |
duke@1 | 146 | private Context context; |
duke@1 | 147 | |
mcimadamore@136 | 148 | public JavacProcessingEnvironment(Context context, Iterable<? extends Processor> processors) { |
duke@1 | 149 | options = Options.instance(context); |
duke@1 | 150 | this.context = context; |
duke@1 | 151 | log = Log.instance(context); |
duke@1 | 152 | source = Source.instance(context); |
duke@1 | 153 | printProcessorInfo = options.get("-XprintProcessorInfo") != null; |
duke@1 | 154 | printRounds = options.get("-XprintRounds") != null; |
duke@1 | 155 | verbose = options.get("-verbose") != null; |
duke@1 | 156 | lint = options.lint("processing"); |
duke@1 | 157 | procOnly = options.get("-proc:only") != null || |
duke@1 | 158 | options.get("-Xprint") != null; |
duke@1 | 159 | fatalErrors = options.get("fatalEnterError") != null; |
jjg@614 | 160 | werror = options.get("-Werror") != null; |
duke@1 | 161 | platformAnnotations = initPlatformAnnotations(); |
jjg@310 | 162 | foundTypeProcessors = false; |
duke@1 | 163 | |
duke@1 | 164 | // Initialize services before any processors are initialzied |
duke@1 | 165 | // in case processors use them. |
duke@1 | 166 | filer = new JavacFiler(context); |
duke@1 | 167 | messager = new JavacMessager(context, this); |
duke@1 | 168 | elementUtils = new JavacElements(context); |
duke@1 | 169 | typeUtils = new JavacTypes(context); |
duke@1 | 170 | processorOptions = initProcessorOptions(context); |
duke@1 | 171 | unmatchedProcessorOptions = initUnmatchedProcessorOptions(); |
mcimadamore@136 | 172 | messages = JavacMessages.instance(context); |
duke@1 | 173 | initProcessorIterator(context, processors); |
duke@1 | 174 | } |
duke@1 | 175 | |
duke@1 | 176 | private Set<String> initPlatformAnnotations() { |
duke@1 | 177 | Set<String> platformAnnotations = new HashSet<String>(); |
duke@1 | 178 | platformAnnotations.add("java.lang.Deprecated"); |
duke@1 | 179 | platformAnnotations.add("java.lang.Override"); |
duke@1 | 180 | platformAnnotations.add("java.lang.SuppressWarnings"); |
duke@1 | 181 | platformAnnotations.add("java.lang.annotation.Documented"); |
duke@1 | 182 | platformAnnotations.add("java.lang.annotation.Inherited"); |
duke@1 | 183 | platformAnnotations.add("java.lang.annotation.Retention"); |
duke@1 | 184 | platformAnnotations.add("java.lang.annotation.Target"); |
duke@1 | 185 | return Collections.unmodifiableSet(platformAnnotations); |
duke@1 | 186 | } |
duke@1 | 187 | |
duke@1 | 188 | private void initProcessorIterator(Context context, Iterable<? extends Processor> processors) { |
duke@1 | 189 | Log log = Log.instance(context); |
duke@1 | 190 | Iterator<? extends Processor> processorIterator; |
duke@1 | 191 | |
duke@1 | 192 | if (options.get("-Xprint") != null) { |
duke@1 | 193 | try { |
duke@1 | 194 | Processor processor = PrintingProcessor.class.newInstance(); |
duke@1 | 195 | processorIterator = List.of(processor).iterator(); |
duke@1 | 196 | } catch (Throwable t) { |
duke@1 | 197 | AssertionError assertError = |
duke@1 | 198 | new AssertionError("Problem instantiating PrintingProcessor."); |
duke@1 | 199 | assertError.initCause(t); |
duke@1 | 200 | throw assertError; |
duke@1 | 201 | } |
duke@1 | 202 | } else if (processors != null) { |
duke@1 | 203 | processorIterator = processors.iterator(); |
duke@1 | 204 | } else { |
duke@1 | 205 | String processorNames = options.get("-processor"); |
duke@1 | 206 | JavaFileManager fileManager = context.get(JavaFileManager.class); |
duke@1 | 207 | try { |
duke@1 | 208 | // If processorpath is not explicitly set, use the classpath. |
jjg@372 | 209 | processorClassLoader = fileManager.hasLocation(ANNOTATION_PROCESSOR_PATH) |
duke@1 | 210 | ? fileManager.getClassLoader(ANNOTATION_PROCESSOR_PATH) |
duke@1 | 211 | : fileManager.getClassLoader(CLASS_PATH); |
duke@1 | 212 | |
duke@1 | 213 | /* |
duke@1 | 214 | * If the "-processor" option is used, search the appropriate |
duke@1 | 215 | * path for the named class. Otherwise, use a service |
duke@1 | 216 | * provider mechanism to create the processor iterator. |
duke@1 | 217 | */ |
duke@1 | 218 | if (processorNames != null) { |
jjg@372 | 219 | processorIterator = new NameProcessIterator(processorNames, processorClassLoader, log); |
duke@1 | 220 | } else { |
jjg@372 | 221 | processorIterator = new ServiceIterator(processorClassLoader, log); |
duke@1 | 222 | } |
duke@1 | 223 | } catch (SecurityException e) { |
duke@1 | 224 | /* |
duke@1 | 225 | * A security exception will occur if we can't create a classloader. |
duke@1 | 226 | * Ignore the exception if, with hindsight, we didn't need it anyway |
duke@1 | 227 | * (i.e. no processor was specified either explicitly, or implicitly, |
duke@1 | 228 | * in service configuration file.) Otherwise, we cannot continue. |
duke@1 | 229 | */ |
duke@1 | 230 | processorIterator = handleServiceLoaderUnavailability("proc.cant.create.loader", e); |
duke@1 | 231 | } |
duke@1 | 232 | } |
duke@1 | 233 | discoveredProcs = new DiscoveredProcessors(processorIterator); |
duke@1 | 234 | } |
duke@1 | 235 | |
duke@1 | 236 | /** |
duke@1 | 237 | * Returns an empty processor iterator if no processors are on the |
duke@1 | 238 | * relevant path, otherwise if processors are present, logs an |
duke@1 | 239 | * error. Called when a service loader is unavailable for some |
duke@1 | 240 | * reason, either because a service loader class cannot be found |
duke@1 | 241 | * or because a security policy prevents class loaders from being |
duke@1 | 242 | * created. |
duke@1 | 243 | * |
duke@1 | 244 | * @param key The resource key to use to log an error message |
duke@1 | 245 | * @param e If non-null, pass this exception to Abort |
duke@1 | 246 | */ |
duke@1 | 247 | private Iterator<Processor> handleServiceLoaderUnavailability(String key, Exception e) { |
duke@1 | 248 | JavaFileManager fileManager = context.get(JavaFileManager.class); |
duke@1 | 249 | |
duke@1 | 250 | if (fileManager instanceof JavacFileManager) { |
duke@1 | 251 | StandardJavaFileManager standardFileManager = (JavacFileManager) fileManager; |
duke@1 | 252 | Iterable<? extends File> workingPath = fileManager.hasLocation(ANNOTATION_PROCESSOR_PATH) |
duke@1 | 253 | ? standardFileManager.getLocation(ANNOTATION_PROCESSOR_PATH) |
duke@1 | 254 | : standardFileManager.getLocation(CLASS_PATH); |
duke@1 | 255 | |
duke@1 | 256 | if (needClassLoader(options.get("-processor"), workingPath) ) |
duke@1 | 257 | handleException(key, e); |
duke@1 | 258 | |
duke@1 | 259 | } else { |
duke@1 | 260 | handleException(key, e); |
duke@1 | 261 | } |
duke@1 | 262 | |
duke@1 | 263 | java.util.List<Processor> pl = Collections.emptyList(); |
duke@1 | 264 | return pl.iterator(); |
duke@1 | 265 | } |
duke@1 | 266 | |
duke@1 | 267 | /** |
duke@1 | 268 | * Handle a security exception thrown during initializing the |
duke@1 | 269 | * Processor iterator. |
duke@1 | 270 | */ |
duke@1 | 271 | private void handleException(String key, Exception e) { |
duke@1 | 272 | if (e != null) { |
duke@1 | 273 | log.error(key, e.getLocalizedMessage()); |
duke@1 | 274 | throw new Abort(e); |
duke@1 | 275 | } else { |
duke@1 | 276 | log.error(key); |
duke@1 | 277 | throw new Abort(); |
duke@1 | 278 | } |
duke@1 | 279 | } |
duke@1 | 280 | |
duke@1 | 281 | /** |
duke@1 | 282 | * Use a service loader appropriate for the platform to provide an |
duke@1 | 283 | * iterator over annotations processors. If |
duke@1 | 284 | * java.util.ServiceLoader is present use it, otherwise, use |
duke@1 | 285 | * sun.misc.Service, otherwise fail if a loader is needed. |
duke@1 | 286 | */ |
duke@1 | 287 | private class ServiceIterator implements Iterator<Processor> { |
duke@1 | 288 | // The to-be-wrapped iterator. |
duke@1 | 289 | private Iterator<?> iterator; |
duke@1 | 290 | private Log log; |
darcy@382 | 291 | private Class<?> loaderClass; |
darcy@382 | 292 | private boolean jusl; |
darcy@382 | 293 | private Object loader; |
duke@1 | 294 | |
duke@1 | 295 | ServiceIterator(ClassLoader classLoader, Log log) { |
duke@1 | 296 | String loadMethodName; |
duke@1 | 297 | |
duke@1 | 298 | this.log = log; |
duke@1 | 299 | try { |
duke@1 | 300 | try { |
duke@1 | 301 | loaderClass = Class.forName("java.util.ServiceLoader"); |
duke@1 | 302 | loadMethodName = "load"; |
duke@1 | 303 | jusl = true; |
duke@1 | 304 | } catch (ClassNotFoundException cnfe) { |
duke@1 | 305 | try { |
duke@1 | 306 | loaderClass = Class.forName("sun.misc.Service"); |
duke@1 | 307 | loadMethodName = "providers"; |
duke@1 | 308 | jusl = false; |
duke@1 | 309 | } catch (ClassNotFoundException cnfe2) { |
duke@1 | 310 | // Fail softly if a loader is not actually needed. |
duke@1 | 311 | this.iterator = handleServiceLoaderUnavailability("proc.no.service", |
duke@1 | 312 | null); |
duke@1 | 313 | return; |
duke@1 | 314 | } |
duke@1 | 315 | } |
duke@1 | 316 | |
duke@1 | 317 | // java.util.ServiceLoader.load or sun.misc.Service.providers |
duke@1 | 318 | Method loadMethod = loaderClass.getMethod(loadMethodName, |
duke@1 | 319 | Class.class, |
duke@1 | 320 | ClassLoader.class); |
duke@1 | 321 | |
duke@1 | 322 | Object result = loadMethod.invoke(null, |
duke@1 | 323 | Processor.class, |
duke@1 | 324 | classLoader); |
duke@1 | 325 | |
duke@1 | 326 | // For java.util.ServiceLoader, we have to call another |
duke@1 | 327 | // method to get the iterator. |
duke@1 | 328 | if (jusl) { |
darcy@382 | 329 | loader = result; // Store ServiceLoader to call reload later |
duke@1 | 330 | Method m = loaderClass.getMethod("iterator"); |
duke@1 | 331 | result = m.invoke(result); // serviceLoader.iterator(); |
duke@1 | 332 | } |
duke@1 | 333 | |
duke@1 | 334 | // The result should now be an iterator. |
duke@1 | 335 | this.iterator = (Iterator<?>) result; |
duke@1 | 336 | } catch (Throwable t) { |
duke@1 | 337 | log.error("proc.service.problem"); |
duke@1 | 338 | throw new Abort(t); |
duke@1 | 339 | } |
duke@1 | 340 | } |
duke@1 | 341 | |
duke@1 | 342 | public boolean hasNext() { |
duke@1 | 343 | try { |
duke@1 | 344 | return iterator.hasNext(); |
duke@1 | 345 | } catch (Throwable t) { |
duke@1 | 346 | if ("ServiceConfigurationError". |
duke@1 | 347 | equals(t.getClass().getSimpleName())) { |
duke@1 | 348 | log.error("proc.bad.config.file", t.getLocalizedMessage()); |
duke@1 | 349 | } |
duke@1 | 350 | throw new Abort(t); |
duke@1 | 351 | } |
duke@1 | 352 | } |
duke@1 | 353 | |
duke@1 | 354 | public Processor next() { |
duke@1 | 355 | try { |
duke@1 | 356 | return (Processor)(iterator.next()); |
duke@1 | 357 | } catch (Throwable t) { |
duke@1 | 358 | if ("ServiceConfigurationError". |
duke@1 | 359 | equals(t.getClass().getSimpleName())) { |
duke@1 | 360 | log.error("proc.bad.config.file", t.getLocalizedMessage()); |
duke@1 | 361 | } else { |
duke@1 | 362 | log.error("proc.processor.constructor.error", t.getLocalizedMessage()); |
duke@1 | 363 | } |
duke@1 | 364 | throw new Abort(t); |
duke@1 | 365 | } |
duke@1 | 366 | } |
duke@1 | 367 | |
duke@1 | 368 | public void remove() { |
duke@1 | 369 | throw new UnsupportedOperationException(); |
duke@1 | 370 | } |
darcy@382 | 371 | |
darcy@382 | 372 | public void close() { |
darcy@382 | 373 | if (jusl) { |
darcy@382 | 374 | try { |
darcy@382 | 375 | // Call java.util.ServiceLoader.reload |
darcy@382 | 376 | Method reloadMethod = loaderClass.getMethod("reload"); |
darcy@382 | 377 | reloadMethod.invoke(loader); |
darcy@382 | 378 | } catch(Exception e) { |
darcy@382 | 379 | ; // Ignore problems during a call to reload. |
darcy@382 | 380 | } |
darcy@382 | 381 | } |
darcy@382 | 382 | } |
duke@1 | 383 | } |
duke@1 | 384 | |
duke@1 | 385 | |
duke@1 | 386 | private static class NameProcessIterator implements Iterator<Processor> { |
duke@1 | 387 | Processor nextProc = null; |
duke@1 | 388 | Iterator<String> names; |
duke@1 | 389 | ClassLoader processorCL; |
duke@1 | 390 | Log log; |
duke@1 | 391 | |
duke@1 | 392 | NameProcessIterator(String names, ClassLoader processorCL, Log log) { |
duke@1 | 393 | this.names = Arrays.asList(names.split(",")).iterator(); |
duke@1 | 394 | this.processorCL = processorCL; |
duke@1 | 395 | this.log = log; |
duke@1 | 396 | } |
duke@1 | 397 | |
duke@1 | 398 | public boolean hasNext() { |
duke@1 | 399 | if (nextProc != null) |
duke@1 | 400 | return true; |
duke@1 | 401 | else { |
duke@1 | 402 | if (!names.hasNext()) |
duke@1 | 403 | return false; |
duke@1 | 404 | else { |
duke@1 | 405 | String processorName = names.next(); |
duke@1 | 406 | |
duke@1 | 407 | Processor processor; |
duke@1 | 408 | try { |
duke@1 | 409 | try { |
duke@1 | 410 | processor = |
duke@1 | 411 | (Processor) (processorCL.loadClass(processorName).newInstance()); |
duke@1 | 412 | } catch (ClassNotFoundException cnfe) { |
duke@1 | 413 | log.error("proc.processor.not.found", processorName); |
duke@1 | 414 | return false; |
duke@1 | 415 | } catch (ClassCastException cce) { |
duke@1 | 416 | log.error("proc.processor.wrong.type", processorName); |
duke@1 | 417 | return false; |
duke@1 | 418 | } catch (Exception e ) { |
duke@1 | 419 | log.error("proc.processor.cant.instantiate", processorName); |
duke@1 | 420 | return false; |
duke@1 | 421 | } |
duke@1 | 422 | } catch(Throwable t) { |
duke@1 | 423 | throw new AnnotationProcessingError(t); |
duke@1 | 424 | } |
duke@1 | 425 | nextProc = processor; |
duke@1 | 426 | return true; |
duke@1 | 427 | } |
duke@1 | 428 | |
duke@1 | 429 | } |
duke@1 | 430 | } |
duke@1 | 431 | |
duke@1 | 432 | public Processor next() { |
duke@1 | 433 | if (hasNext()) { |
duke@1 | 434 | Processor p = nextProc; |
duke@1 | 435 | nextProc = null; |
duke@1 | 436 | return p; |
duke@1 | 437 | } else |
duke@1 | 438 | throw new NoSuchElementException(); |
duke@1 | 439 | } |
duke@1 | 440 | |
duke@1 | 441 | public void remove () { |
duke@1 | 442 | throw new UnsupportedOperationException(); |
duke@1 | 443 | } |
duke@1 | 444 | } |
duke@1 | 445 | |
duke@1 | 446 | public boolean atLeastOneProcessor() { |
duke@1 | 447 | return discoveredProcs.iterator().hasNext(); |
duke@1 | 448 | } |
duke@1 | 449 | |
duke@1 | 450 | private Map<String, String> initProcessorOptions(Context context) { |
duke@1 | 451 | Options options = Options.instance(context); |
duke@1 | 452 | Set<String> keySet = options.keySet(); |
duke@1 | 453 | Map<String, String> tempOptions = new LinkedHashMap<String, String>(); |
duke@1 | 454 | |
duke@1 | 455 | for(String key : keySet) { |
duke@1 | 456 | if (key.startsWith("-A") && key.length() > 2) { |
duke@1 | 457 | int sepIndex = key.indexOf('='); |
duke@1 | 458 | String candidateKey = null; |
duke@1 | 459 | String candidateValue = null; |
duke@1 | 460 | |
duke@1 | 461 | if (sepIndex == -1) |
duke@1 | 462 | candidateKey = key.substring(2); |
duke@1 | 463 | else if (sepIndex >= 3) { |
duke@1 | 464 | candidateKey = key.substring(2, sepIndex); |
duke@1 | 465 | candidateValue = (sepIndex < key.length()-1)? |
duke@1 | 466 | key.substring(sepIndex+1) : null; |
duke@1 | 467 | } |
duke@1 | 468 | tempOptions.put(candidateKey, candidateValue); |
duke@1 | 469 | } |
duke@1 | 470 | } |
duke@1 | 471 | |
duke@1 | 472 | return Collections.unmodifiableMap(tempOptions); |
duke@1 | 473 | } |
duke@1 | 474 | |
duke@1 | 475 | private Set<String> initUnmatchedProcessorOptions() { |
duke@1 | 476 | Set<String> unmatchedProcessorOptions = new HashSet<String>(); |
duke@1 | 477 | unmatchedProcessorOptions.addAll(processorOptions.keySet()); |
duke@1 | 478 | return unmatchedProcessorOptions; |
duke@1 | 479 | } |
duke@1 | 480 | |
duke@1 | 481 | /** |
duke@1 | 482 | * State about how a processor has been used by the tool. If a |
duke@1 | 483 | * processor has been used on a prior round, its process method is |
duke@1 | 484 | * called on all subsequent rounds, perhaps with an empty set of |
duke@1 | 485 | * annotations to process. The {@code annotatedSupported} method |
duke@1 | 486 | * caches the supported annotation information from the first (and |
duke@1 | 487 | * only) getSupportedAnnotationTypes call to the processor. |
duke@1 | 488 | */ |
duke@1 | 489 | static class ProcessorState { |
duke@1 | 490 | public Processor processor; |
duke@1 | 491 | public boolean contributed; |
duke@1 | 492 | private ArrayList<Pattern> supportedAnnotationPatterns; |
duke@1 | 493 | private ArrayList<String> supportedOptionNames; |
duke@1 | 494 | |
duke@1 | 495 | ProcessorState(Processor p, Log log, Source source, ProcessingEnvironment env) { |
duke@1 | 496 | processor = p; |
duke@1 | 497 | contributed = false; |
duke@1 | 498 | |
duke@1 | 499 | try { |
duke@1 | 500 | processor.init(env); |
duke@1 | 501 | |
duke@1 | 502 | checkSourceVersionCompatibility(source, log); |
duke@1 | 503 | |
duke@1 | 504 | supportedAnnotationPatterns = new ArrayList<Pattern>(); |
duke@1 | 505 | for (String importString : processor.getSupportedAnnotationTypes()) { |
duke@1 | 506 | supportedAnnotationPatterns.add(importStringToPattern(importString, |
duke@1 | 507 | processor, |
duke@1 | 508 | log)); |
duke@1 | 509 | } |
duke@1 | 510 | |
duke@1 | 511 | supportedOptionNames = new ArrayList<String>(); |
duke@1 | 512 | for (String optionName : processor.getSupportedOptions() ) { |
duke@1 | 513 | if (checkOptionName(optionName, log)) |
duke@1 | 514 | supportedOptionNames.add(optionName); |
duke@1 | 515 | } |
duke@1 | 516 | |
duke@1 | 517 | } catch (Throwable t) { |
duke@1 | 518 | throw new AnnotationProcessingError(t); |
duke@1 | 519 | } |
duke@1 | 520 | } |
duke@1 | 521 | |
duke@1 | 522 | /** |
duke@1 | 523 | * Checks whether or not a processor's source version is |
duke@1 | 524 | * compatible with the compilation source version. The |
duke@1 | 525 | * processor's source version needs to be greater than or |
duke@1 | 526 | * equal to the source version of the compile. |
duke@1 | 527 | */ |
duke@1 | 528 | private void checkSourceVersionCompatibility(Source source, Log log) { |
duke@1 | 529 | SourceVersion procSourceVersion = processor.getSupportedSourceVersion(); |
duke@1 | 530 | |
duke@1 | 531 | if (procSourceVersion.compareTo(Source.toSourceVersion(source)) < 0 ) { |
duke@1 | 532 | log.warning("proc.processor.incompatible.source.version", |
duke@1 | 533 | procSourceVersion, |
duke@1 | 534 | processor.getClass().getName(), |
duke@1 | 535 | source.name); |
duke@1 | 536 | } |
duke@1 | 537 | } |
duke@1 | 538 | |
duke@1 | 539 | private boolean checkOptionName(String optionName, Log log) { |
duke@1 | 540 | boolean valid = isValidOptionName(optionName); |
duke@1 | 541 | if (!valid) |
duke@1 | 542 | log.error("proc.processor.bad.option.name", |
duke@1 | 543 | optionName, |
duke@1 | 544 | processor.getClass().getName()); |
duke@1 | 545 | return valid; |
duke@1 | 546 | } |
duke@1 | 547 | |
duke@1 | 548 | public boolean annotationSupported(String annotationName) { |
duke@1 | 549 | for(Pattern p: supportedAnnotationPatterns) { |
duke@1 | 550 | if (p.matcher(annotationName).matches()) |
duke@1 | 551 | return true; |
duke@1 | 552 | } |
duke@1 | 553 | return false; |
duke@1 | 554 | } |
duke@1 | 555 | |
duke@1 | 556 | /** |
duke@1 | 557 | * Remove options that are matched by this processor. |
duke@1 | 558 | */ |
duke@1 | 559 | public void removeSupportedOptions(Set<String> unmatchedProcessorOptions) { |
duke@1 | 560 | unmatchedProcessorOptions.removeAll(supportedOptionNames); |
duke@1 | 561 | } |
duke@1 | 562 | } |
duke@1 | 563 | |
duke@1 | 564 | // TODO: These two classes can probably be rewritten better... |
duke@1 | 565 | /** |
duke@1 | 566 | * This class holds information about the processors that have |
duke@1 | 567 | * been discoverd so far as well as the means to discover more, if |
duke@1 | 568 | * necessary. A single iterator should be used per round of |
duke@1 | 569 | * annotation processing. The iterator first visits already |
darcy@382 | 570 | * discovered processors then fails over to the service provider |
duke@1 | 571 | * mechanism if additional queries are made. |
duke@1 | 572 | */ |
duke@1 | 573 | class DiscoveredProcessors implements Iterable<ProcessorState> { |
duke@1 | 574 | |
duke@1 | 575 | class ProcessorStateIterator implements Iterator<ProcessorState> { |
duke@1 | 576 | DiscoveredProcessors psi; |
duke@1 | 577 | Iterator<ProcessorState> innerIter; |
duke@1 | 578 | boolean onProcInterator; |
duke@1 | 579 | |
duke@1 | 580 | ProcessorStateIterator(DiscoveredProcessors psi) { |
duke@1 | 581 | this.psi = psi; |
duke@1 | 582 | this.innerIter = psi.procStateList.iterator(); |
duke@1 | 583 | this.onProcInterator = false; |
duke@1 | 584 | } |
duke@1 | 585 | |
duke@1 | 586 | public ProcessorState next() { |
duke@1 | 587 | if (!onProcInterator) { |
duke@1 | 588 | if (innerIter.hasNext()) |
duke@1 | 589 | return innerIter.next(); |
duke@1 | 590 | else |
duke@1 | 591 | onProcInterator = true; |
duke@1 | 592 | } |
duke@1 | 593 | |
duke@1 | 594 | if (psi.processorIterator.hasNext()) { |
duke@1 | 595 | ProcessorState ps = new ProcessorState(psi.processorIterator.next(), |
duke@1 | 596 | log, source, JavacProcessingEnvironment.this); |
duke@1 | 597 | psi.procStateList.add(ps); |
duke@1 | 598 | return ps; |
duke@1 | 599 | } else |
duke@1 | 600 | throw new NoSuchElementException(); |
duke@1 | 601 | } |
duke@1 | 602 | |
duke@1 | 603 | public boolean hasNext() { |
duke@1 | 604 | if (onProcInterator) |
duke@1 | 605 | return psi.processorIterator.hasNext(); |
duke@1 | 606 | else |
duke@1 | 607 | return innerIter.hasNext() || psi.processorIterator.hasNext(); |
duke@1 | 608 | } |
duke@1 | 609 | |
duke@1 | 610 | public void remove () { |
duke@1 | 611 | throw new UnsupportedOperationException(); |
duke@1 | 612 | } |
duke@1 | 613 | |
duke@1 | 614 | /** |
duke@1 | 615 | * Run all remaining processors on the procStateList that |
duke@1 | 616 | * have not already run this round with an empty set of |
duke@1 | 617 | * annotations. |
duke@1 | 618 | */ |
duke@1 | 619 | public void runContributingProcs(RoundEnvironment re) { |
duke@1 | 620 | if (!onProcInterator) { |
duke@1 | 621 | Set<TypeElement> emptyTypeElements = Collections.emptySet(); |
duke@1 | 622 | while(innerIter.hasNext()) { |
duke@1 | 623 | ProcessorState ps = innerIter.next(); |
duke@1 | 624 | if (ps.contributed) |
duke@1 | 625 | callProcessor(ps.processor, emptyTypeElements, re); |
duke@1 | 626 | } |
duke@1 | 627 | } |
duke@1 | 628 | } |
duke@1 | 629 | } |
duke@1 | 630 | |
duke@1 | 631 | Iterator<? extends Processor> processorIterator; |
duke@1 | 632 | ArrayList<ProcessorState> procStateList; |
duke@1 | 633 | |
duke@1 | 634 | public ProcessorStateIterator iterator() { |
duke@1 | 635 | return new ProcessorStateIterator(this); |
duke@1 | 636 | } |
duke@1 | 637 | |
duke@1 | 638 | DiscoveredProcessors(Iterator<? extends Processor> processorIterator) { |
duke@1 | 639 | this.processorIterator = processorIterator; |
duke@1 | 640 | this.procStateList = new ArrayList<ProcessorState>(); |
duke@1 | 641 | } |
darcy@382 | 642 | |
darcy@382 | 643 | /** |
darcy@382 | 644 | * Free jar files, etc. if using a service loader. |
darcy@382 | 645 | */ |
darcy@382 | 646 | public void close() { |
darcy@382 | 647 | if (processorIterator != null && |
darcy@382 | 648 | processorIterator instanceof ServiceIterator) { |
darcy@382 | 649 | ((ServiceIterator) processorIterator).close(); |
darcy@382 | 650 | } |
darcy@382 | 651 | } |
duke@1 | 652 | } |
duke@1 | 653 | |
duke@1 | 654 | private void discoverAndRunProcs(Context context, |
duke@1 | 655 | Set<TypeElement> annotationsPresent, |
duke@1 | 656 | List<ClassSymbol> topLevelClasses, |
duke@1 | 657 | List<PackageSymbol> packageInfoFiles) { |
duke@1 | 658 | Map<String, TypeElement> unmatchedAnnotations = |
duke@1 | 659 | new HashMap<String, TypeElement>(annotationsPresent.size()); |
duke@1 | 660 | |
duke@1 | 661 | for(TypeElement a : annotationsPresent) { |
duke@1 | 662 | unmatchedAnnotations.put(a.getQualifiedName().toString(), |
duke@1 | 663 | a); |
duke@1 | 664 | } |
duke@1 | 665 | |
duke@1 | 666 | // Give "*" processors a chance to match |
duke@1 | 667 | if (unmatchedAnnotations.size() == 0) |
duke@1 | 668 | unmatchedAnnotations.put("", null); |
duke@1 | 669 | |
duke@1 | 670 | DiscoveredProcessors.ProcessorStateIterator psi = discoveredProcs.iterator(); |
duke@1 | 671 | // TODO: Create proper argument values; need past round |
duke@1 | 672 | // information to fill in this constructor. Note that the 1 |
duke@1 | 673 | // st round of processing could be the last round if there |
duke@1 | 674 | // were parse errors on the initial source files; however, we |
duke@1 | 675 | // are not doing processing in that case. |
duke@1 | 676 | |
duke@1 | 677 | Set<Element> rootElements = new LinkedHashSet<Element>(); |
duke@1 | 678 | rootElements.addAll(topLevelClasses); |
duke@1 | 679 | rootElements.addAll(packageInfoFiles); |
duke@1 | 680 | rootElements = Collections.unmodifiableSet(rootElements); |
duke@1 | 681 | |
duke@1 | 682 | RoundEnvironment renv = new JavacRoundEnvironment(false, |
duke@1 | 683 | false, |
duke@1 | 684 | rootElements, |
duke@1 | 685 | JavacProcessingEnvironment.this); |
duke@1 | 686 | |
duke@1 | 687 | while(unmatchedAnnotations.size() > 0 && psi.hasNext() ) { |
duke@1 | 688 | ProcessorState ps = psi.next(); |
duke@1 | 689 | Set<String> matchedNames = new HashSet<String>(); |
duke@1 | 690 | Set<TypeElement> typeElements = new LinkedHashSet<TypeElement>(); |
darcy@506 | 691 | |
darcy@506 | 692 | for (Map.Entry<String, TypeElement> entry: unmatchedAnnotations.entrySet()) { |
darcy@506 | 693 | String unmatchedAnnotationName = entry.getKey(); |
duke@1 | 694 | if (ps.annotationSupported(unmatchedAnnotationName) ) { |
duke@1 | 695 | matchedNames.add(unmatchedAnnotationName); |
darcy@506 | 696 | TypeElement te = entry.getValue(); |
duke@1 | 697 | if (te != null) |
duke@1 | 698 | typeElements.add(te); |
duke@1 | 699 | } |
duke@1 | 700 | } |
duke@1 | 701 | |
duke@1 | 702 | if (matchedNames.size() > 0 || ps.contributed) { |
jjg@310 | 703 | foundTypeProcessors = foundTypeProcessors || (ps.processor instanceof AbstractTypeProcessor); |
duke@1 | 704 | boolean processingResult = callProcessor(ps.processor, typeElements, renv); |
duke@1 | 705 | ps.contributed = true; |
duke@1 | 706 | ps.removeSupportedOptions(unmatchedProcessorOptions); |
duke@1 | 707 | |
duke@1 | 708 | if (printProcessorInfo || verbose) { |
jjg@604 | 709 | log.printNoteLines("x.print.processor.info", |
jjg@604 | 710 | ps.processor.getClass().getName(), |
jjg@604 | 711 | matchedNames.toString(), |
jjg@604 | 712 | processingResult); |
duke@1 | 713 | } |
duke@1 | 714 | |
duke@1 | 715 | if (processingResult) { |
duke@1 | 716 | unmatchedAnnotations.keySet().removeAll(matchedNames); |
duke@1 | 717 | } |
duke@1 | 718 | |
duke@1 | 719 | } |
duke@1 | 720 | } |
duke@1 | 721 | unmatchedAnnotations.remove(""); |
duke@1 | 722 | |
duke@1 | 723 | if (lint && unmatchedAnnotations.size() > 0) { |
duke@1 | 724 | // Remove annotations processed by javac |
duke@1 | 725 | unmatchedAnnotations.keySet().removeAll(platformAnnotations); |
duke@1 | 726 | if (unmatchedAnnotations.size() > 0) { |
duke@1 | 727 | log = Log.instance(context); |
duke@1 | 728 | log.warning("proc.annotations.without.processors", |
duke@1 | 729 | unmatchedAnnotations.keySet()); |
duke@1 | 730 | } |
duke@1 | 731 | } |
duke@1 | 732 | |
duke@1 | 733 | // Run contributing processors that haven't run yet |
duke@1 | 734 | psi.runContributingProcs(renv); |
duke@1 | 735 | |
duke@1 | 736 | // Debugging |
duke@1 | 737 | if (options.get("displayFilerState") != null) |
duke@1 | 738 | filer.displayState(); |
duke@1 | 739 | } |
duke@1 | 740 | |
duke@1 | 741 | /** |
duke@1 | 742 | * Computes the set of annotations on the symbol in question. |
duke@1 | 743 | * Leave class public for external testing purposes. |
duke@1 | 744 | */ |
duke@1 | 745 | public static class ComputeAnnotationSet extends |
darcy@575 | 746 | ElementScanner7<Set<TypeElement>, Set<TypeElement>> { |
duke@1 | 747 | final Elements elements; |
duke@1 | 748 | |
duke@1 | 749 | public ComputeAnnotationSet(Elements elements) { |
duke@1 | 750 | super(); |
duke@1 | 751 | this.elements = elements; |
duke@1 | 752 | } |
duke@1 | 753 | |
duke@1 | 754 | @Override |
duke@1 | 755 | public Set<TypeElement> visitPackage(PackageElement e, Set<TypeElement> p) { |
duke@1 | 756 | // Don't scan enclosed elements of a package |
duke@1 | 757 | return p; |
duke@1 | 758 | } |
duke@1 | 759 | |
duke@1 | 760 | @Override |
jjg@620 | 761 | public Set<TypeElement> scan(Element e, Set<TypeElement> p) { |
duke@1 | 762 | for (AnnotationMirror annotationMirror : |
duke@1 | 763 | elements.getAllAnnotationMirrors(e) ) { |
duke@1 | 764 | Element e2 = annotationMirror.getAnnotationType().asElement(); |
duke@1 | 765 | p.add((TypeElement) e2); |
duke@1 | 766 | } |
duke@1 | 767 | return super.scan(e, p); |
duke@1 | 768 | } |
duke@1 | 769 | } |
duke@1 | 770 | |
duke@1 | 771 | private boolean callProcessor(Processor proc, |
duke@1 | 772 | Set<? extends TypeElement> tes, |
duke@1 | 773 | RoundEnvironment renv) { |
duke@1 | 774 | try { |
duke@1 | 775 | return proc.process(tes, renv); |
duke@1 | 776 | } catch (CompletionFailure ex) { |
duke@1 | 777 | StringWriter out = new StringWriter(); |
duke@1 | 778 | ex.printStackTrace(new PrintWriter(out)); |
jjg@12 | 779 | log.error("proc.cant.access", ex.sym, ex.getDetailValue(), out.toString()); |
duke@1 | 780 | return false; |
duke@1 | 781 | } catch (Throwable t) { |
duke@1 | 782 | throw new AnnotationProcessingError(t); |
duke@1 | 783 | } |
duke@1 | 784 | } |
duke@1 | 785 | |
jjg@620 | 786 | /** |
jjg@620 | 787 | * Helper object for a single round of annotation processing. |
jjg@620 | 788 | */ |
jjg@620 | 789 | class Round { |
jjg@620 | 790 | /** The round number. */ |
jjg@620 | 791 | final int number; |
jjg@620 | 792 | /** The context for the round. */ |
jjg@620 | 793 | final Context context; |
jjg@620 | 794 | /** The compiler for the round. */ |
jjg@620 | 795 | final JavaCompiler compiler; |
jjg@620 | 796 | /** The log for the round. */ |
jjg@620 | 797 | final Log log; |
jjg@642 | 798 | /** The number of warnings in the previous round. */ |
jjg@642 | 799 | final int priorWarnings; |
jjg@642 | 800 | |
jjg@642 | 801 | /** The ASTs to be compiled. */ |
jjg@642 | 802 | List<JCCompilationUnit> roots; |
jjg@642 | 803 | /** The classes to be compiler that have were generated. */ |
jjg@642 | 804 | Map<String, JavaFileObject> genClassFiles; |
jjg@620 | 805 | |
jjg@620 | 806 | /** The set of annotations to be processed this round. */ |
jjg@620 | 807 | Set<TypeElement> annotationsPresent; |
jjg@620 | 808 | /** The set of top level classes to be processed this round. */ |
jjg@620 | 809 | List<ClassSymbol> topLevelClasses; |
jjg@620 | 810 | /** The set of package-info files to be processed this round. */ |
jjg@620 | 811 | List<PackageSymbol> packageInfoFiles; |
jjg@620 | 812 | |
jjg@642 | 813 | /** Create a round (common code). */ |
jjg@642 | 814 | private Round(Context context, int number, int priorWarnings) { |
jjg@620 | 815 | this.context = context; |
jjg@620 | 816 | this.number = number; |
jjg@642 | 817 | this.priorWarnings = priorWarnings; |
jjg@642 | 818 | |
jjg@620 | 819 | compiler = JavaCompiler.instance(context); |
jjg@620 | 820 | log = Log.instance(context); |
jjg@620 | 821 | |
jjg@620 | 822 | // the following is for the benefit of JavacProcessingEnvironment.getContext() |
jjg@620 | 823 | JavacProcessingEnvironment.this.context = context; |
jjg@620 | 824 | |
jjg@620 | 825 | // the following will be populated as needed |
jjg@620 | 826 | topLevelClasses = List.nil(); |
jjg@620 | 827 | packageInfoFiles = List.nil(); |
jjg@620 | 828 | } |
jjg@620 | 829 | |
jjg@642 | 830 | /** Create the first round. */ |
jjg@642 | 831 | Round(Context context, List<JCCompilationUnit> roots, List<ClassSymbol> classSymbols) { |
jjg@642 | 832 | this(context, 1, 0); |
jjg@642 | 833 | this.roots = roots; |
jjg@642 | 834 | genClassFiles = new HashMap<String,JavaFileObject>(); |
jjg@642 | 835 | |
jjg@642 | 836 | compiler.todo.clear(); // free the compiler's resources |
jjg@642 | 837 | |
jjg@642 | 838 | // The reverse() in the following line is to maintain behavioural |
jjg@642 | 839 | // compatibility with the previous revision of the code. Strictly speaking, |
jjg@642 | 840 | // it should not be necessary, but a javah golden file test fails without it. |
jjg@642 | 841 | topLevelClasses = |
jjg@642 | 842 | getTopLevelClasses(roots).prependList(classSymbols.reverse()); |
jjg@642 | 843 | |
jjg@642 | 844 | packageInfoFiles = getPackageInfoFiles(roots); |
jjg@642 | 845 | |
jjg@642 | 846 | findAnnotationsPresent(); |
jjg@642 | 847 | } |
jjg@642 | 848 | |
jjg@642 | 849 | /** Create a new round. */ |
jjg@642 | 850 | private Round(Round prev, |
jjg@642 | 851 | Set<JavaFileObject> newSourceFiles, Map<String,JavaFileObject> newClassFiles) |
jjg@642 | 852 | throws IOException { |
jjg@642 | 853 | this(prev.nextContext(), prev.number+1, prev.compiler.log.nwarnings); |
jjg@642 | 854 | this.genClassFiles = prev.genClassFiles; |
jjg@642 | 855 | |
jjg@642 | 856 | updateProcessingState(); |
jjg@642 | 857 | |
jjg@642 | 858 | List<JCCompilationUnit> parsedFiles = compiler.parseFiles(newSourceFiles); |
jjg@642 | 859 | roots = cleanTrees(prev.roots).appendList(parsedFiles); |
jjg@642 | 860 | |
jjg@642 | 861 | // Check for errors after parsing |
jjg@642 | 862 | if (unrecoverableError()) |
jjg@642 | 863 | return; |
jjg@642 | 864 | |
jjg@642 | 865 | enterClassFiles(genClassFiles); |
jjg@642 | 866 | List<ClassSymbol> newClasses = enterClassFiles(newClassFiles); |
jjg@642 | 867 | genClassFiles.putAll(newClassFiles); |
jjg@642 | 868 | enterTrees(roots); |
jjg@642 | 869 | |
jjg@642 | 870 | if (unrecoverableError()) |
jjg@642 | 871 | return; |
jjg@642 | 872 | |
jjg@642 | 873 | topLevelClasses = join( |
jjg@642 | 874 | getTopLevelClasses(parsedFiles), |
jjg@642 | 875 | getTopLevelClassesFromClasses(newClasses)); |
jjg@642 | 876 | |
jjg@642 | 877 | packageInfoFiles = join( |
jjg@642 | 878 | getPackageInfoFiles(parsedFiles), |
jjg@642 | 879 | getPackageInfoFilesFromClasses(newClasses)); |
jjg@642 | 880 | |
jjg@642 | 881 | findAnnotationsPresent(); |
jjg@642 | 882 | } |
jjg@642 | 883 | |
jjg@620 | 884 | /** Create the next round to be used. */ |
jjg@642 | 885 | Round next(Set<JavaFileObject> newSourceFiles, Map<String, JavaFileObject> newClassFiles) |
jjg@642 | 886 | throws IOException { |
jjg@642 | 887 | try { |
jjg@642 | 888 | return new Round(this, newSourceFiles, newClassFiles); |
jjg@642 | 889 | } finally { |
jjg@642 | 890 | compiler.close(false); |
jjg@642 | 891 | } |
jjg@642 | 892 | } |
jjg@642 | 893 | |
jjg@642 | 894 | /** Create the compiler to be used for the final compilation. */ |
jjg@642 | 895 | JavaCompiler finalCompiler(boolean errorStatus) { |
jjg@642 | 896 | try { |
jjg@642 | 897 | JavaCompiler c = JavaCompiler.instance(nextContext()); |
jjg@642 | 898 | if (errorStatus) { |
jjg@642 | 899 | c.log.nwarnings += priorWarnings + compiler.log.nwarnings; |
jjg@642 | 900 | c.log.nerrors += compiler.log.nerrors; |
jjg@642 | 901 | } |
jjg@642 | 902 | return c; |
jjg@642 | 903 | } finally { |
jjg@642 | 904 | compiler.close(false); |
jjg@642 | 905 | } |
jjg@620 | 906 | } |
jjg@620 | 907 | |
jjg@620 | 908 | /** Return the number of errors found so far in this round. |
jjg@620 | 909 | * This may include uncoverable errors, such as parse errors, |
jjg@620 | 910 | * and transient errors, such as missing symbols. */ |
jjg@620 | 911 | int errorCount() { |
jjg@620 | 912 | return compiler.errorCount(); |
jjg@620 | 913 | } |
jjg@620 | 914 | |
jjg@620 | 915 | /** Return the number of warnings found so far in this round. */ |
jjg@620 | 916 | int warningCount() { |
jjg@620 | 917 | return compiler.warningCount(); |
jjg@620 | 918 | } |
jjg@620 | 919 | |
jjg@620 | 920 | /** Return whether or not an unrecoverable error has occurred. */ |
jjg@620 | 921 | boolean unrecoverableError() { |
jjg@642 | 922 | return log.unrecoverableError |
jjg@642 | 923 | || messager.errorRaised() |
jjg@642 | 924 | || (werror && log.nwarnings > 0) |
jjg@642 | 925 | || (fatalErrors && log.nerrors > 0); |
jjg@620 | 926 | } |
jjg@620 | 927 | |
jjg@620 | 928 | /** Find the set of annotations present in the set of top level |
jjg@642 | 929 | * classes and package info files to be processed this round. */ |
jjg@642 | 930 | void findAnnotationsPresent() { |
jjg@642 | 931 | ComputeAnnotationSet annotationComputer = new ComputeAnnotationSet(elementUtils); |
jjg@620 | 932 | // Use annotation processing to compute the set of annotations present |
jjg@620 | 933 | annotationsPresent = new LinkedHashSet<TypeElement>(); |
jjg@620 | 934 | for (ClassSymbol classSym : topLevelClasses) |
jjg@620 | 935 | annotationComputer.scan(classSym, annotationsPresent); |
jjg@620 | 936 | for (PackageSymbol pkgSym : packageInfoFiles) |
jjg@620 | 937 | annotationComputer.scan(pkgSym, annotationsPresent); |
jjg@620 | 938 | } |
jjg@620 | 939 | |
jjg@642 | 940 | /** Enter a set of generated class files. */ |
jjg@642 | 941 | List<ClassSymbol> enterClassFiles(Map<String, JavaFileObject> classFiles) { |
jjg@620 | 942 | ClassReader reader = ClassReader.instance(context); |
jjg@620 | 943 | Names names = Names.instance(context); |
jjg@620 | 944 | List<ClassSymbol> list = List.nil(); |
jjg@620 | 945 | |
jjg@642 | 946 | for (Map.Entry<String,JavaFileObject> entry : classFiles.entrySet()) { |
jjg@620 | 947 | Name name = names.fromString(entry.getKey()); |
jjg@620 | 948 | JavaFileObject file = entry.getValue(); |
jjg@620 | 949 | if (file.getKind() != JavaFileObject.Kind.CLASS) |
jjg@620 | 950 | throw new AssertionError(file); |
jjg@620 | 951 | ClassSymbol cs; |
jjg@620 | 952 | if (isPkgInfo(file, JavaFileObject.Kind.CLASS)) { |
jjg@620 | 953 | Name packageName = Convert.packagePart(name); |
jjg@620 | 954 | PackageSymbol p = reader.enterPackage(packageName); |
jjg@620 | 955 | if (p.package_info == null) |
jjg@620 | 956 | p.package_info = reader.enterClass(Convert.shortName(name), p); |
jjg@620 | 957 | cs = p.package_info; |
jjg@620 | 958 | if (cs.classfile == null) |
jjg@620 | 959 | cs.classfile = file; |
jjg@620 | 960 | } else |
jjg@620 | 961 | cs = reader.enterClass(name, file); |
jjg@620 | 962 | list = list.prepend(cs); |
jjg@620 | 963 | } |
jjg@620 | 964 | return list.reverse(); |
jjg@620 | 965 | } |
jjg@620 | 966 | |
jjg@620 | 967 | /** Enter a set of syntax trees. */ |
jjg@620 | 968 | void enterTrees(List<JCCompilationUnit> roots) { |
jjg@620 | 969 | compiler.enterTrees(roots); |
jjg@620 | 970 | } |
jjg@620 | 971 | |
jjg@620 | 972 | /** Run a processing round. */ |
jjg@620 | 973 | void run(boolean lastRound, boolean errorStatus) { |
jjg@642 | 974 | printRoundInfo(lastRound); |
jjg@620 | 975 | |
jjg@620 | 976 | TaskListener taskListener = context.get(TaskListener.class); |
jjg@620 | 977 | if (taskListener != null) |
jjg@620 | 978 | taskListener.started(new TaskEvent(TaskEvent.Kind.ANNOTATION_PROCESSING_ROUND)); |
jjg@620 | 979 | |
jjg@620 | 980 | try { |
jjg@620 | 981 | if (lastRound) { |
jjg@620 | 982 | filer.setLastRound(true); |
jjg@620 | 983 | Set<Element> emptyRootElements = Collections.emptySet(); // immutable |
jjg@620 | 984 | RoundEnvironment renv = new JavacRoundEnvironment(true, |
jjg@620 | 985 | errorStatus, |
jjg@620 | 986 | emptyRootElements, |
jjg@620 | 987 | JavacProcessingEnvironment.this); |
jjg@620 | 988 | discoveredProcs.iterator().runContributingProcs(renv); |
jjg@620 | 989 | } else { |
jjg@620 | 990 | discoverAndRunProcs(context, annotationsPresent, topLevelClasses, packageInfoFiles); |
jjg@620 | 991 | } |
jjg@620 | 992 | } finally { |
jjg@620 | 993 | if (taskListener != null) |
jjg@620 | 994 | taskListener.finished(new TaskEvent(TaskEvent.Kind.ANNOTATION_PROCESSING_ROUND)); |
jjg@620 | 995 | } |
jjg@620 | 996 | } |
jjg@620 | 997 | |
jjg@620 | 998 | /** Update the processing state for the current context. */ |
jjg@642 | 999 | private void updateProcessingState() { |
jjg@620 | 1000 | filer.newRound(context); |
jjg@620 | 1001 | messager.newRound(context); |
jjg@620 | 1002 | |
jjg@620 | 1003 | elementUtils.setContext(context); |
jjg@620 | 1004 | typeUtils.setContext(context); |
jjg@620 | 1005 | } |
jjg@620 | 1006 | |
jjg@620 | 1007 | /** Print info about this round. */ |
jjg@642 | 1008 | private void printRoundInfo(boolean lastRound) { |
jjg@620 | 1009 | if (printRounds || verbose) { |
jjg@642 | 1010 | List<ClassSymbol> tlc = lastRound ? List.<ClassSymbol>nil() : topLevelClasses; |
jjg@642 | 1011 | Set<TypeElement> ap = lastRound ? Collections.<TypeElement>emptySet() : annotationsPresent; |
jjg@620 | 1012 | log.printNoteLines("x.print.rounds", |
jjg@642 | 1013 | number, |
jjg@642 | 1014 | "{" + tlc.toString(", ") + "}", |
jjg@642 | 1015 | ap, |
jjg@620 | 1016 | lastRound); |
jjg@620 | 1017 | } |
jjg@620 | 1018 | } |
jjg@620 | 1019 | |
jjg@620 | 1020 | /** Get the context for the next round of processing. |
jjg@620 | 1021 | * Important values are propogated from round to round; |
jjg@620 | 1022 | * other values are implicitly reset. |
jjg@620 | 1023 | */ |
jjg@642 | 1024 | private Context nextContext() { |
jjg@620 | 1025 | Context next = new Context(); |
jjg@620 | 1026 | |
jjg@620 | 1027 | Options options = Options.instance(context); |
jjg@620 | 1028 | assert options != null; |
jjg@620 | 1029 | next.put(Options.optionsKey, options); |
jjg@620 | 1030 | |
jjg@620 | 1031 | PrintWriter out = context.get(Log.outKey); |
jjg@620 | 1032 | assert out != null; |
jjg@620 | 1033 | next.put(Log.outKey, out); |
jjg@620 | 1034 | |
jjg@620 | 1035 | final boolean shareNames = true; |
jjg@620 | 1036 | if (shareNames) { |
jjg@620 | 1037 | Names names = Names.instance(context); |
jjg@620 | 1038 | assert names != null; |
jjg@620 | 1039 | next.put(Names.namesKey, names); |
jjg@620 | 1040 | } |
jjg@620 | 1041 | |
jjg@620 | 1042 | DiagnosticListener<?> dl = context.get(DiagnosticListener.class); |
jjg@620 | 1043 | if (dl != null) |
jjg@620 | 1044 | next.put(DiagnosticListener.class, dl); |
jjg@620 | 1045 | |
jjg@620 | 1046 | TaskListener tl = context.get(TaskListener.class); |
jjg@620 | 1047 | if (tl != null) |
jjg@620 | 1048 | next.put(TaskListener.class, tl); |
jjg@620 | 1049 | |
jjg@620 | 1050 | JavaFileManager jfm = context.get(JavaFileManager.class); |
jjg@620 | 1051 | assert jfm != null; |
jjg@620 | 1052 | next.put(JavaFileManager.class, jfm); |
jjg@620 | 1053 | if (jfm instanceof JavacFileManager) { |
jjg@620 | 1054 | ((JavacFileManager)jfm).setContext(next); |
jjg@620 | 1055 | } |
jjg@620 | 1056 | |
jjg@620 | 1057 | Names names = Names.instance(context); |
jjg@620 | 1058 | assert names != null; |
jjg@620 | 1059 | next.put(Names.namesKey, names); |
jjg@620 | 1060 | |
jjg@620 | 1061 | Keywords keywords = Keywords.instance(context); |
jjg@620 | 1062 | assert(keywords != null); |
jjg@620 | 1063 | next.put(Keywords.keywordsKey, keywords); |
jjg@620 | 1064 | |
jjg@620 | 1065 | JavaCompiler oldCompiler = JavaCompiler.instance(context); |
jjg@620 | 1066 | JavaCompiler nextCompiler = JavaCompiler.instance(next); |
jjg@620 | 1067 | nextCompiler.initRound(oldCompiler); |
jjg@620 | 1068 | |
jjg@620 | 1069 | JavacTaskImpl task = context.get(JavacTaskImpl.class); |
jjg@620 | 1070 | if (task != null) { |
jjg@620 | 1071 | next.put(JavacTaskImpl.class, task); |
jjg@620 | 1072 | task.updateContext(next); |
jjg@620 | 1073 | } |
jjg@620 | 1074 | |
jjg@620 | 1075 | context.clear(); |
jjg@620 | 1076 | return next; |
jjg@620 | 1077 | } |
jjg@620 | 1078 | } |
jjg@620 | 1079 | |
duke@1 | 1080 | |
duke@1 | 1081 | // TODO: internal catch clauses?; catch and rethrow an annotation |
duke@1 | 1082 | // processing error |
duke@1 | 1083 | public JavaCompiler doProcessing(Context context, |
duke@1 | 1084 | List<JCCompilationUnit> roots, |
duke@1 | 1085 | List<ClassSymbol> classSymbols, |
duke@1 | 1086 | Iterable<? extends PackageSymbol> pckSymbols) |
darcy@506 | 1087 | throws IOException { |
duke@1 | 1088 | |
jjg@642 | 1089 | TaskListener taskListener = context.get(TaskListener.class); |
duke@1 | 1090 | log = Log.instance(context); |
duke@1 | 1091 | |
duke@1 | 1092 | Set<PackageSymbol> specifiedPackages = new LinkedHashSet<PackageSymbol>(); |
duke@1 | 1093 | for (PackageSymbol psym : pckSymbols) |
duke@1 | 1094 | specifiedPackages.add(psym); |
duke@1 | 1095 | this.specifiedPackages = Collections.unmodifiableSet(specifiedPackages); |
duke@1 | 1096 | |
jjg@642 | 1097 | Round round = new Round(context, roots, classSymbols); |
duke@1 | 1098 | |
jjg@642 | 1099 | boolean errorStatus; |
jjg@642 | 1100 | boolean moreToDo; |
jjg@642 | 1101 | do { |
jjg@642 | 1102 | // Run processors for round n |
jjg@620 | 1103 | round.run(false, false); |
duke@1 | 1104 | |
jjg@642 | 1105 | // Processors for round n have run to completion. |
jjg@642 | 1106 | // Check for errors and whether there is more work to do. |
jjg@642 | 1107 | errorStatus = round.unrecoverableError(); |
jjg@642 | 1108 | moreToDo = moreToDo(); |
jjg@642 | 1109 | |
jjg@642 | 1110 | // Set up next round. |
jjg@642 | 1111 | // Copy mutable collections returned from filer. |
jjg@642 | 1112 | round = round.next( |
jjg@642 | 1113 | new LinkedHashSet<JavaFileObject>(filer.getGeneratedSourceFileObjects()), |
jjg@642 | 1114 | new LinkedHashMap<String,JavaFileObject>(filer.getGeneratedClasses())); |
jjg@642 | 1115 | |
jjg@642 | 1116 | // Check for errors during setup. |
jjg@642 | 1117 | if (round.unrecoverableError()) |
duke@1 | 1118 | errorStatus = true; |
duke@1 | 1119 | |
jjg@642 | 1120 | } while (moreToDo && !errorStatus); |
jjg@620 | 1121 | |
jjg@620 | 1122 | // run last round |
jjg@620 | 1123 | round.run(true, errorStatus); |
jjg@620 | 1124 | |
duke@1 | 1125 | filer.warnIfUnclosedFiles(); |
duke@1 | 1126 | warnIfUnmatchedOptions(); |
duke@1 | 1127 | |
jjg@642 | 1128 | /* |
jjg@642 | 1129 | * If an annotation processor raises an error in a round, |
jjg@642 | 1130 | * that round runs to completion and one last round occurs. |
jjg@642 | 1131 | * The last round may also occur because no more source or |
jjg@642 | 1132 | * class files have been generated. Therefore, if an error |
jjg@642 | 1133 | * was raised on either of the last *two* rounds, the compile |
jjg@642 | 1134 | * should exit with a nonzero exit code. The current value of |
jjg@642 | 1135 | * errorStatus holds whether or not an error was raised on the |
jjg@642 | 1136 | * second to last round; errorRaised() gives the error status |
jjg@642 | 1137 | * of the last round. |
jjg@642 | 1138 | */ |
jjg@642 | 1139 | if (messager.errorRaised() |
jjg@642 | 1140 | || werror && round.warningCount() > 0 && round.errorCount() > 0) |
jjg@642 | 1141 | errorStatus = true; |
jjg@642 | 1142 | |
jjg@642 | 1143 | Set<JavaFileObject> newSourceFiles = |
jjg@642 | 1144 | new LinkedHashSet<JavaFileObject>(filer.getGeneratedSourceFileObjects()); |
jjg@642 | 1145 | roots = cleanTrees(round.roots); |
jjg@642 | 1146 | |
jjg@642 | 1147 | JavaCompiler compiler = round.finalCompiler(errorStatus); |
jjg@642 | 1148 | |
jjg@642 | 1149 | if (newSourceFiles.size() > 0) |
jjg@642 | 1150 | roots = roots.appendList(compiler.parseFiles(newSourceFiles)); |
jjg@642 | 1151 | |
jjg@642 | 1152 | errorStatus = errorStatus || (compiler.errorCount() > 0); |
duke@1 | 1153 | |
duke@1 | 1154 | // Free resources |
duke@1 | 1155 | this.close(); |
duke@1 | 1156 | |
duke@1 | 1157 | if (taskListener != null) |
duke@1 | 1158 | taskListener.finished(new TaskEvent(TaskEvent.Kind.ANNOTATION_PROCESSING)); |
duke@1 | 1159 | |
duke@1 | 1160 | if (errorStatus) { |
duke@1 | 1161 | if (compiler.errorCount() == 0) |
duke@1 | 1162 | compiler.log.nerrors++; |
jjg@642 | 1163 | return compiler; |
jjg@642 | 1164 | } |
jjg@642 | 1165 | |
jjg@642 | 1166 | if (procOnly && !foundTypeProcessors) { |
duke@1 | 1167 | compiler.todo.clear(); |
jjg@642 | 1168 | } else { |
jjg@310 | 1169 | if (procOnly && foundTypeProcessors) |
jjg@310 | 1170 | compiler.shouldStopPolicy = CompileState.FLOW; |
duke@1 | 1171 | |
jjg@642 | 1172 | compiler.enterTrees(roots); |
duke@1 | 1173 | } |
duke@1 | 1174 | |
duke@1 | 1175 | return compiler; |
duke@1 | 1176 | } |
duke@1 | 1177 | |
duke@1 | 1178 | private void warnIfUnmatchedOptions() { |
duke@1 | 1179 | if (!unmatchedProcessorOptions.isEmpty()) { |
duke@1 | 1180 | log.warning("proc.unmatched.processor.options", unmatchedProcessorOptions.toString()); |
duke@1 | 1181 | } |
duke@1 | 1182 | } |
duke@1 | 1183 | |
duke@1 | 1184 | /** |
duke@1 | 1185 | * Free resources related to annotation processing. |
duke@1 | 1186 | */ |
jjg@372 | 1187 | public void close() throws IOException { |
duke@1 | 1188 | filer.close(); |
darcy@382 | 1189 | if (discoveredProcs != null) // Make calling close idempotent |
darcy@382 | 1190 | discoveredProcs.close(); |
duke@1 | 1191 | discoveredProcs = null; |
jjg@372 | 1192 | if (processorClassLoader != null && processorClassLoader instanceof Closeable) |
jjg@372 | 1193 | ((Closeable) processorClassLoader).close(); |
duke@1 | 1194 | } |
duke@1 | 1195 | |
duke@1 | 1196 | private List<ClassSymbol> getTopLevelClasses(List<? extends JCCompilationUnit> units) { |
duke@1 | 1197 | List<ClassSymbol> classes = List.nil(); |
duke@1 | 1198 | for (JCCompilationUnit unit : units) { |
duke@1 | 1199 | for (JCTree node : unit.defs) { |
duke@1 | 1200 | if (node.getTag() == JCTree.CLASSDEF) { |
jjg@642 | 1201 | ClassSymbol sym = ((JCClassDecl) node).sym; |
jjg@642 | 1202 | assert sym != null; |
jjg@642 | 1203 | classes = classes.prepend(sym); |
duke@1 | 1204 | } |
duke@1 | 1205 | } |
duke@1 | 1206 | } |
duke@1 | 1207 | return classes.reverse(); |
duke@1 | 1208 | } |
duke@1 | 1209 | |
jjg@483 | 1210 | private List<ClassSymbol> getTopLevelClassesFromClasses(List<? extends ClassSymbol> syms) { |
jjg@483 | 1211 | List<ClassSymbol> classes = List.nil(); |
jjg@483 | 1212 | for (ClassSymbol sym : syms) { |
jjg@483 | 1213 | if (!isPkgInfo(sym)) { |
jjg@483 | 1214 | classes = classes.prepend(sym); |
jjg@483 | 1215 | } |
jjg@483 | 1216 | } |
jjg@483 | 1217 | return classes.reverse(); |
jjg@483 | 1218 | } |
jjg@483 | 1219 | |
duke@1 | 1220 | private List<PackageSymbol> getPackageInfoFiles(List<? extends JCCompilationUnit> units) { |
duke@1 | 1221 | List<PackageSymbol> packages = List.nil(); |
duke@1 | 1222 | for (JCCompilationUnit unit : units) { |
jjg@483 | 1223 | if (isPkgInfo(unit.sourcefile, JavaFileObject.Kind.SOURCE)) { |
duke@1 | 1224 | packages = packages.prepend(unit.packge); |
duke@1 | 1225 | } |
duke@1 | 1226 | } |
duke@1 | 1227 | return packages.reverse(); |
duke@1 | 1228 | } |
duke@1 | 1229 | |
jjg@483 | 1230 | private List<PackageSymbol> getPackageInfoFilesFromClasses(List<? extends ClassSymbol> syms) { |
jjg@483 | 1231 | List<PackageSymbol> packages = List.nil(); |
jjg@483 | 1232 | for (ClassSymbol sym : syms) { |
jjg@483 | 1233 | if (isPkgInfo(sym)) { |
jjg@483 | 1234 | packages = packages.prepend((PackageSymbol) sym.owner); |
jjg@483 | 1235 | } |
jjg@483 | 1236 | } |
jjg@483 | 1237 | return packages.reverse(); |
jjg@483 | 1238 | } |
jjg@483 | 1239 | |
jjg@620 | 1240 | // avoid unchecked warning from use of varargs |
jjg@620 | 1241 | private static <T> List<T> join(List<T> list1, List<T> list2) { |
jjg@620 | 1242 | return list1.appendList(list2); |
jjg@620 | 1243 | } |
jjg@620 | 1244 | |
jjg@483 | 1245 | private boolean isPkgInfo(JavaFileObject fo, JavaFileObject.Kind kind) { |
jjg@483 | 1246 | return fo.isNameCompatible("package-info", kind); |
jjg@483 | 1247 | } |
jjg@483 | 1248 | |
jjg@483 | 1249 | private boolean isPkgInfo(ClassSymbol sym) { |
jjg@483 | 1250 | return isPkgInfo(sym.classfile, JavaFileObject.Kind.CLASS) && (sym.packge().package_info == sym); |
jjg@483 | 1251 | } |
jjg@483 | 1252 | |
duke@1 | 1253 | /* |
duke@1 | 1254 | * Called retroactively to determine if a class loader was required, |
duke@1 | 1255 | * after we have failed to create one. |
duke@1 | 1256 | */ |
duke@1 | 1257 | private boolean needClassLoader(String procNames, Iterable<? extends File> workingpath) { |
duke@1 | 1258 | if (procNames != null) |
duke@1 | 1259 | return true; |
duke@1 | 1260 | |
duke@1 | 1261 | String procPath; |
duke@1 | 1262 | URL[] urls = new URL[1]; |
duke@1 | 1263 | for(File pathElement : workingpath) { |
duke@1 | 1264 | try { |
duke@1 | 1265 | urls[0] = pathElement.toURI().toURL(); |
duke@1 | 1266 | if (ServiceProxy.hasService(Processor.class, urls)) |
duke@1 | 1267 | return true; |
duke@1 | 1268 | } catch (MalformedURLException ex) { |
duke@1 | 1269 | throw new AssertionError(ex); |
duke@1 | 1270 | } |
duke@1 | 1271 | catch (ServiceProxy.ServiceConfigurationError e) { |
duke@1 | 1272 | log.error("proc.bad.config.file", e.getLocalizedMessage()); |
duke@1 | 1273 | return true; |
duke@1 | 1274 | } |
duke@1 | 1275 | } |
duke@1 | 1276 | |
duke@1 | 1277 | return false; |
duke@1 | 1278 | } |
duke@1 | 1279 | |
duke@1 | 1280 | private static <T extends JCTree> List<T> cleanTrees(List<T> nodes) { |
duke@1 | 1281 | for (T node : nodes) |
duke@1 | 1282 | treeCleaner.scan(node); |
duke@1 | 1283 | return nodes; |
duke@1 | 1284 | } |
duke@1 | 1285 | |
duke@1 | 1286 | private static TreeScanner treeCleaner = new TreeScanner() { |
duke@1 | 1287 | public void scan(JCTree node) { |
duke@1 | 1288 | super.scan(node); |
duke@1 | 1289 | if (node != null) |
duke@1 | 1290 | node.type = null; |
duke@1 | 1291 | } |
duke@1 | 1292 | public void visitTopLevel(JCCompilationUnit node) { |
duke@1 | 1293 | node.packge = null; |
duke@1 | 1294 | super.visitTopLevel(node); |
duke@1 | 1295 | } |
duke@1 | 1296 | public void visitClassDef(JCClassDecl node) { |
duke@1 | 1297 | node.sym = null; |
duke@1 | 1298 | super.visitClassDef(node); |
duke@1 | 1299 | } |
duke@1 | 1300 | public void visitMethodDef(JCMethodDecl node) { |
duke@1 | 1301 | node.sym = null; |
duke@1 | 1302 | super.visitMethodDef(node); |
duke@1 | 1303 | } |
duke@1 | 1304 | public void visitVarDef(JCVariableDecl node) { |
duke@1 | 1305 | node.sym = null; |
duke@1 | 1306 | super.visitVarDef(node); |
duke@1 | 1307 | } |
duke@1 | 1308 | public void visitNewClass(JCNewClass node) { |
duke@1 | 1309 | node.constructor = null; |
duke@1 | 1310 | super.visitNewClass(node); |
duke@1 | 1311 | } |
duke@1 | 1312 | public void visitAssignop(JCAssignOp node) { |
duke@1 | 1313 | node.operator = null; |
duke@1 | 1314 | super.visitAssignop(node); |
duke@1 | 1315 | } |
duke@1 | 1316 | public void visitUnary(JCUnary node) { |
duke@1 | 1317 | node.operator = null; |
duke@1 | 1318 | super.visitUnary(node); |
duke@1 | 1319 | } |
duke@1 | 1320 | public void visitBinary(JCBinary node) { |
duke@1 | 1321 | node.operator = null; |
duke@1 | 1322 | super.visitBinary(node); |
duke@1 | 1323 | } |
duke@1 | 1324 | public void visitSelect(JCFieldAccess node) { |
duke@1 | 1325 | node.sym = null; |
duke@1 | 1326 | super.visitSelect(node); |
duke@1 | 1327 | } |
duke@1 | 1328 | public void visitIdent(JCIdent node) { |
duke@1 | 1329 | node.sym = null; |
duke@1 | 1330 | super.visitIdent(node); |
duke@1 | 1331 | } |
duke@1 | 1332 | }; |
duke@1 | 1333 | |
duke@1 | 1334 | |
duke@1 | 1335 | private boolean moreToDo() { |
duke@1 | 1336 | return filer.newFiles(); |
duke@1 | 1337 | } |
duke@1 | 1338 | |
duke@1 | 1339 | /** |
duke@1 | 1340 | * {@inheritdoc} |
duke@1 | 1341 | * |
duke@1 | 1342 | * Command line options suitable for presenting to annotation |
duke@1 | 1343 | * processors. "-Afoo=bar" should be "-Afoo" => "bar". |
duke@1 | 1344 | */ |
duke@1 | 1345 | public Map<String,String> getOptions() { |
duke@1 | 1346 | return processorOptions; |
duke@1 | 1347 | } |
duke@1 | 1348 | |
duke@1 | 1349 | public Messager getMessager() { |
duke@1 | 1350 | return messager; |
duke@1 | 1351 | } |
duke@1 | 1352 | |
duke@1 | 1353 | public Filer getFiler() { |
duke@1 | 1354 | return filer; |
duke@1 | 1355 | } |
duke@1 | 1356 | |
duke@1 | 1357 | public JavacElements getElementUtils() { |
duke@1 | 1358 | return elementUtils; |
duke@1 | 1359 | } |
duke@1 | 1360 | |
duke@1 | 1361 | public JavacTypes getTypeUtils() { |
duke@1 | 1362 | return typeUtils; |
duke@1 | 1363 | } |
duke@1 | 1364 | |
duke@1 | 1365 | public SourceVersion getSourceVersion() { |
duke@1 | 1366 | return Source.toSourceVersion(source); |
duke@1 | 1367 | } |
duke@1 | 1368 | |
duke@1 | 1369 | public Locale getLocale() { |
mcimadamore@136 | 1370 | return messages.getCurrentLocale(); |
duke@1 | 1371 | } |
duke@1 | 1372 | |
duke@1 | 1373 | public Set<Symbol.PackageSymbol> getSpecifiedPackages() { |
duke@1 | 1374 | return specifiedPackages; |
duke@1 | 1375 | } |
duke@1 | 1376 | |
darcy@497 | 1377 | private static final Pattern allMatches = Pattern.compile(".*"); |
darcy@497 | 1378 | public static final Pattern noMatches = Pattern.compile("(\\P{all})+"); |
darcy@497 | 1379 | |
duke@1 | 1380 | /** |
darcy@497 | 1381 | * Convert import-style string for supported annotations into a |
darcy@497 | 1382 | * regex matching that string. If the string is a valid |
darcy@497 | 1383 | * import-style string, return a regex that won't match anything. |
duke@1 | 1384 | */ |
darcy@497 | 1385 | private static Pattern importStringToPattern(String s, Processor p, Log log) { |
darcy@497 | 1386 | if (isValidImportString(s)) { |
darcy@497 | 1387 | return validImportStringToPattern(s); |
darcy@497 | 1388 | } else { |
darcy@497 | 1389 | log.warning("proc.malformed.supported.string", s, p.getClass().getName()); |
darcy@497 | 1390 | return noMatches; // won't match any valid identifier |
duke@1 | 1391 | } |
duke@1 | 1392 | } |
duke@1 | 1393 | |
duke@1 | 1394 | /** |
darcy@497 | 1395 | * Return true if the argument string is a valid import-style |
darcy@497 | 1396 | * string specifying claimed annotations; return false otherwise. |
duke@1 | 1397 | */ |
darcy@497 | 1398 | public static boolean isValidImportString(String s) { |
darcy@497 | 1399 | if (s.equals("*")) |
darcy@497 | 1400 | return true; |
darcy@497 | 1401 | |
darcy@497 | 1402 | boolean valid = true; |
darcy@497 | 1403 | String t = s; |
darcy@497 | 1404 | int index = t.indexOf('*'); |
darcy@497 | 1405 | |
darcy@497 | 1406 | if (index != -1) { |
darcy@497 | 1407 | // '*' must be last character... |
darcy@497 | 1408 | if (index == t.length() -1) { |
darcy@497 | 1409 | // ... any and preceding character must be '.' |
darcy@497 | 1410 | if ( index-1 >= 0 ) { |
darcy@497 | 1411 | valid = t.charAt(index-1) == '.'; |
darcy@497 | 1412 | // Strip off ".*$" for identifier checks |
darcy@497 | 1413 | t = t.substring(0, t.length()-2); |
darcy@497 | 1414 | } |
darcy@497 | 1415 | } else |
darcy@497 | 1416 | return false; |
duke@1 | 1417 | } |
darcy@497 | 1418 | |
darcy@497 | 1419 | // Verify string is off the form (javaId \.)+ or javaId |
darcy@497 | 1420 | if (valid) { |
darcy@497 | 1421 | String[] javaIds = t.split("\\.", t.length()+2); |
darcy@497 | 1422 | for(String javaId: javaIds) |
darcy@497 | 1423 | valid &= SourceVersion.isIdentifier(javaId); |
duke@1 | 1424 | } |
darcy@497 | 1425 | return valid; |
duke@1 | 1426 | } |
duke@1 | 1427 | |
darcy@497 | 1428 | public static Pattern validImportStringToPattern(String s) { |
duke@1 | 1429 | if (s.equals("*")) { |
duke@1 | 1430 | return allMatches; |
duke@1 | 1431 | } else { |
darcy@497 | 1432 | String s_prime = s.replace(".", "\\."); |
duke@1 | 1433 | |
duke@1 | 1434 | if (s_prime.endsWith("*")) { |
duke@1 | 1435 | s_prime = s_prime.substring(0, s_prime.length() - 1) + ".+"; |
duke@1 | 1436 | } |
duke@1 | 1437 | |
duke@1 | 1438 | return Pattern.compile(s_prime); |
duke@1 | 1439 | } |
duke@1 | 1440 | } |
duke@1 | 1441 | |
duke@1 | 1442 | /** |
jjg@581 | 1443 | * For internal use only. This method will be |
duke@1 | 1444 | * removed without warning. |
duke@1 | 1445 | */ |
duke@1 | 1446 | public Context getContext() { |
duke@1 | 1447 | return context; |
duke@1 | 1448 | } |
duke@1 | 1449 | |
duke@1 | 1450 | public String toString() { |
duke@1 | 1451 | return "javac ProcessingEnvironment"; |
duke@1 | 1452 | } |
duke@1 | 1453 | |
duke@1 | 1454 | public static boolean isValidOptionName(String optionName) { |
duke@1 | 1455 | for(String s : optionName.split("\\.", -1)) { |
duke@1 | 1456 | if (!SourceVersion.isIdentifier(s)) |
duke@1 | 1457 | return false; |
duke@1 | 1458 | } |
duke@1 | 1459 | return true; |
duke@1 | 1460 | } |
duke@1 | 1461 | } |