Thu, 10 Jul 2008 16:50:38 -0700
6724551: Use Queues instead of Lists to link compiler phases
Reviewed-by: darcy
duke@1 | 1 | /* |
xdono@54 | 2 | * Copyright 1999-2008 Sun Microsystems, Inc. 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 |
duke@1 | 7 | * published by the Free Software Foundation. Sun designates this |
duke@1 | 8 | * particular file as subject to the "Classpath" exception as provided |
duke@1 | 9 | * by Sun 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 | * |
duke@1 | 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
duke@1 | 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
duke@1 | 23 | * have any questions. |
duke@1 | 24 | */ |
duke@1 | 25 | |
duke@1 | 26 | package com.sun.tools.javac.main; |
duke@1 | 27 | |
duke@1 | 28 | import java.io.*; |
duke@1 | 29 | import java.util.HashSet; |
duke@1 | 30 | import java.util.LinkedHashMap; |
duke@1 | 31 | import java.util.Map; |
duke@1 | 32 | import java.util.MissingResourceException; |
duke@1 | 33 | import java.util.ResourceBundle; |
duke@1 | 34 | import java.util.Set; |
duke@1 | 35 | import java.util.logging.Handler; |
duke@1 | 36 | import java.util.logging.Level; |
duke@1 | 37 | import java.util.logging.Logger; |
duke@1 | 38 | |
duke@1 | 39 | import javax.tools.JavaFileManager; |
duke@1 | 40 | import javax.tools.JavaFileObject; |
duke@1 | 41 | import javax.tools.DiagnosticListener; |
duke@1 | 42 | |
jjg@50 | 43 | import com.sun.tools.javac.file.JavacFileManager; |
duke@1 | 44 | import com.sun.source.util.TaskEvent; |
duke@1 | 45 | import com.sun.source.util.TaskListener; |
duke@1 | 46 | |
duke@1 | 47 | import com.sun.tools.javac.util.*; |
duke@1 | 48 | import com.sun.tools.javac.code.*; |
duke@1 | 49 | import com.sun.tools.javac.tree.*; |
duke@1 | 50 | import com.sun.tools.javac.parser.*; |
duke@1 | 51 | import com.sun.tools.javac.comp.*; |
duke@1 | 52 | import com.sun.tools.javac.jvm.*; |
duke@1 | 53 | |
duke@1 | 54 | import com.sun.tools.javac.code.Symbol.*; |
duke@1 | 55 | import com.sun.tools.javac.tree.JCTree.*; |
duke@1 | 56 | |
duke@1 | 57 | import com.sun.tools.javac.processing.*; |
duke@1 | 58 | import javax.annotation.processing.Processor; |
duke@1 | 59 | |
duke@1 | 60 | import static javax.tools.StandardLocation.CLASS_OUTPUT; |
duke@1 | 61 | import static com.sun.tools.javac.util.ListBuffer.lb; |
duke@1 | 62 | |
duke@1 | 63 | // TEMP, until we have a more efficient way to save doc comment info |
duke@1 | 64 | import com.sun.tools.javac.parser.DocCommentScanner; |
duke@1 | 65 | |
jjg@70 | 66 | import java.util.Queue; |
duke@1 | 67 | import javax.lang.model.SourceVersion; |
duke@1 | 68 | |
duke@1 | 69 | /** This class could be the main entry point for GJC when GJC is used as a |
duke@1 | 70 | * component in a larger software system. It provides operations to |
duke@1 | 71 | * construct a new compiler, and to run a new compiler on a set of source |
duke@1 | 72 | * files. |
duke@1 | 73 | * |
duke@1 | 74 | * <p><b>This is NOT part of any API supported by Sun Microsystems. If |
duke@1 | 75 | * you write code that depends on this, you do so at your own risk. |
duke@1 | 76 | * This code and its internal interfaces are subject to change or |
duke@1 | 77 | * deletion without notice.</b> |
duke@1 | 78 | */ |
duke@1 | 79 | public class JavaCompiler implements ClassReader.SourceCompleter { |
duke@1 | 80 | /** The context key for the compiler. */ |
duke@1 | 81 | protected static final Context.Key<JavaCompiler> compilerKey = |
duke@1 | 82 | new Context.Key<JavaCompiler>(); |
duke@1 | 83 | |
duke@1 | 84 | /** Get the JavaCompiler instance for this context. */ |
duke@1 | 85 | public static JavaCompiler instance(Context context) { |
duke@1 | 86 | JavaCompiler instance = context.get(compilerKey); |
duke@1 | 87 | if (instance == null) |
duke@1 | 88 | instance = new JavaCompiler(context); |
duke@1 | 89 | return instance; |
duke@1 | 90 | } |
duke@1 | 91 | |
duke@1 | 92 | /** The current version number as a string. |
duke@1 | 93 | */ |
duke@1 | 94 | public static String version() { |
duke@1 | 95 | return version("release"); // mm.nn.oo[-milestone] |
duke@1 | 96 | } |
duke@1 | 97 | |
duke@1 | 98 | /** The current full version number as a string. |
duke@1 | 99 | */ |
duke@1 | 100 | public static String fullVersion() { |
duke@1 | 101 | return version("full"); // mm.mm.oo[-milestone]-build |
duke@1 | 102 | } |
duke@1 | 103 | |
duke@1 | 104 | private static final String versionRBName = "com.sun.tools.javac.resources.version"; |
duke@1 | 105 | private static ResourceBundle versionRB; |
duke@1 | 106 | |
duke@1 | 107 | private static String version(String key) { |
duke@1 | 108 | if (versionRB == null) { |
duke@1 | 109 | try { |
duke@1 | 110 | versionRB = ResourceBundle.getBundle(versionRBName); |
duke@1 | 111 | } catch (MissingResourceException e) { |
duke@1 | 112 | return Log.getLocalizedString("version.resource.missing", System.getProperty("java.version")); |
duke@1 | 113 | } |
duke@1 | 114 | } |
duke@1 | 115 | try { |
duke@1 | 116 | return versionRB.getString(key); |
duke@1 | 117 | } |
duke@1 | 118 | catch (MissingResourceException e) { |
duke@1 | 119 | return Log.getLocalizedString("version.unknown", System.getProperty("java.version")); |
duke@1 | 120 | } |
duke@1 | 121 | } |
duke@1 | 122 | |
duke@1 | 123 | private static enum CompilePolicy { |
duke@1 | 124 | /* |
duke@1 | 125 | * Just attribute the parse trees |
duke@1 | 126 | */ |
duke@1 | 127 | ATTR_ONLY, |
duke@1 | 128 | |
duke@1 | 129 | /* |
duke@1 | 130 | * Just attribute and do flow analysis on the parse trees. |
duke@1 | 131 | * This should catch most user errors. |
duke@1 | 132 | */ |
duke@1 | 133 | CHECK_ONLY, |
duke@1 | 134 | |
duke@1 | 135 | /* |
duke@1 | 136 | * Attribute everything, then do flow analysis for everything, |
duke@1 | 137 | * then desugar everything, and only then generate output. |
duke@1 | 138 | * Means nothing is generated if there are any errors in any classes. |
duke@1 | 139 | */ |
duke@1 | 140 | SIMPLE, |
duke@1 | 141 | |
duke@1 | 142 | /* |
duke@1 | 143 | * After attributing everything and doing flow analysis, |
duke@1 | 144 | * group the work by compilation unit. |
duke@1 | 145 | * Then, process the work for each compilation unit together. |
duke@1 | 146 | * Means nothing is generated for a compilation unit if the are any errors |
duke@1 | 147 | * in the compilation unit (or in any preceding compilation unit.) |
duke@1 | 148 | */ |
duke@1 | 149 | BY_FILE, |
duke@1 | 150 | |
duke@1 | 151 | /* |
duke@1 | 152 | * Completely process each entry on the todo list in turn. |
duke@1 | 153 | * -- this is the same for 1.5. |
duke@1 | 154 | * Means output might be generated for some classes in a compilation unit |
duke@1 | 155 | * and not others. |
duke@1 | 156 | */ |
duke@1 | 157 | BY_TODO; |
duke@1 | 158 | |
duke@1 | 159 | static CompilePolicy decode(String option) { |
duke@1 | 160 | if (option == null) |
duke@1 | 161 | return DEFAULT_COMPILE_POLICY; |
duke@1 | 162 | else if (option.equals("attr")) |
duke@1 | 163 | return ATTR_ONLY; |
duke@1 | 164 | else if (option.equals("check")) |
duke@1 | 165 | return CHECK_ONLY; |
duke@1 | 166 | else if (option.equals("simple")) |
duke@1 | 167 | return SIMPLE; |
duke@1 | 168 | else if (option.equals("byfile")) |
duke@1 | 169 | return BY_FILE; |
duke@1 | 170 | else if (option.equals("bytodo")) |
duke@1 | 171 | return BY_TODO; |
duke@1 | 172 | else |
duke@1 | 173 | return DEFAULT_COMPILE_POLICY; |
duke@1 | 174 | } |
duke@1 | 175 | } |
duke@1 | 176 | |
duke@1 | 177 | private static CompilePolicy DEFAULT_COMPILE_POLICY = CompilePolicy.BY_TODO; |
duke@1 | 178 | |
duke@1 | 179 | private static enum ImplicitSourcePolicy { |
duke@1 | 180 | /** Don't generate or process implicitly read source files. */ |
duke@1 | 181 | NONE, |
duke@1 | 182 | /** Generate classes for implicitly read source files. */ |
duke@1 | 183 | CLASS, |
duke@1 | 184 | /** Like CLASS, but generate warnings if annotation processing occurs */ |
duke@1 | 185 | UNSET; |
duke@1 | 186 | |
duke@1 | 187 | static ImplicitSourcePolicy decode(String option) { |
duke@1 | 188 | if (option == null) |
duke@1 | 189 | return UNSET; |
duke@1 | 190 | else if (option.equals("none")) |
duke@1 | 191 | return NONE; |
duke@1 | 192 | else if (option.equals("class")) |
duke@1 | 193 | return CLASS; |
duke@1 | 194 | else |
duke@1 | 195 | return UNSET; |
duke@1 | 196 | } |
duke@1 | 197 | } |
duke@1 | 198 | |
duke@1 | 199 | /** The log to be used for error reporting. |
duke@1 | 200 | */ |
duke@1 | 201 | public Log log; |
duke@1 | 202 | |
jjg@12 | 203 | /** Factory for creating diagnostic objects |
jjg@12 | 204 | */ |
jjg@12 | 205 | JCDiagnostic.Factory diagFactory; |
jjg@12 | 206 | |
duke@1 | 207 | /** The tree factory module. |
duke@1 | 208 | */ |
duke@1 | 209 | protected TreeMaker make; |
duke@1 | 210 | |
duke@1 | 211 | /** The class reader. |
duke@1 | 212 | */ |
duke@1 | 213 | protected ClassReader reader; |
duke@1 | 214 | |
duke@1 | 215 | /** The class writer. |
duke@1 | 216 | */ |
duke@1 | 217 | protected ClassWriter writer; |
duke@1 | 218 | |
duke@1 | 219 | /** The module for the symbol table entry phases. |
duke@1 | 220 | */ |
duke@1 | 221 | protected Enter enter; |
duke@1 | 222 | |
duke@1 | 223 | /** The symbol table. |
duke@1 | 224 | */ |
duke@1 | 225 | protected Symtab syms; |
duke@1 | 226 | |
duke@1 | 227 | /** The language version. |
duke@1 | 228 | */ |
duke@1 | 229 | protected Source source; |
duke@1 | 230 | |
duke@1 | 231 | /** The module for code generation. |
duke@1 | 232 | */ |
duke@1 | 233 | protected Gen gen; |
duke@1 | 234 | |
duke@1 | 235 | /** The name table. |
duke@1 | 236 | */ |
duke@1 | 237 | protected Name.Table names; |
duke@1 | 238 | |
duke@1 | 239 | /** The attributor. |
duke@1 | 240 | */ |
duke@1 | 241 | protected Attr attr; |
duke@1 | 242 | |
duke@1 | 243 | /** The attributor. |
duke@1 | 244 | */ |
duke@1 | 245 | protected Check chk; |
duke@1 | 246 | |
duke@1 | 247 | /** The flow analyzer. |
duke@1 | 248 | */ |
duke@1 | 249 | protected Flow flow; |
duke@1 | 250 | |
duke@1 | 251 | /** The type eraser. |
duke@1 | 252 | */ |
duke@1 | 253 | TransTypes transTypes; |
duke@1 | 254 | |
duke@1 | 255 | /** The syntactic sugar desweetener. |
duke@1 | 256 | */ |
duke@1 | 257 | Lower lower; |
duke@1 | 258 | |
duke@1 | 259 | /** The annotation annotator. |
duke@1 | 260 | */ |
duke@1 | 261 | protected Annotate annotate; |
duke@1 | 262 | |
duke@1 | 263 | /** Force a completion failure on this name |
duke@1 | 264 | */ |
duke@1 | 265 | protected final Name completionFailureName; |
duke@1 | 266 | |
duke@1 | 267 | /** Type utilities. |
duke@1 | 268 | */ |
duke@1 | 269 | protected Types types; |
duke@1 | 270 | |
duke@1 | 271 | /** Access to file objects. |
duke@1 | 272 | */ |
duke@1 | 273 | protected JavaFileManager fileManager; |
duke@1 | 274 | |
duke@1 | 275 | /** Factory for parsers. |
duke@1 | 276 | */ |
duke@1 | 277 | protected Parser.Factory parserFactory; |
duke@1 | 278 | |
duke@1 | 279 | /** Optional listener for progress events |
duke@1 | 280 | */ |
duke@1 | 281 | protected TaskListener taskListener; |
duke@1 | 282 | |
duke@1 | 283 | /** |
duke@1 | 284 | * Annotation processing may require and provide a new instance |
duke@1 | 285 | * of the compiler to be used for the analyze and generate phases. |
duke@1 | 286 | */ |
duke@1 | 287 | protected JavaCompiler delegateCompiler; |
duke@1 | 288 | |
duke@1 | 289 | /** |
duke@1 | 290 | * Flag set if any annotation processing occurred. |
duke@1 | 291 | **/ |
duke@1 | 292 | protected boolean annotationProcessingOccurred; |
duke@1 | 293 | |
duke@1 | 294 | /** |
duke@1 | 295 | * Flag set if any implicit source files read. |
duke@1 | 296 | **/ |
duke@1 | 297 | protected boolean implicitSourceFilesRead; |
duke@1 | 298 | |
duke@1 | 299 | protected Context context; |
duke@1 | 300 | |
duke@1 | 301 | /** Construct a new compiler using a shared context. |
duke@1 | 302 | */ |
duke@1 | 303 | public JavaCompiler(final Context context) { |
duke@1 | 304 | this.context = context; |
duke@1 | 305 | context.put(compilerKey, this); |
duke@1 | 306 | |
duke@1 | 307 | // if fileManager not already set, register the JavacFileManager to be used |
duke@1 | 308 | if (context.get(JavaFileManager.class) == null) |
duke@1 | 309 | JavacFileManager.preRegister(context); |
duke@1 | 310 | |
duke@1 | 311 | names = Name.Table.instance(context); |
duke@1 | 312 | log = Log.instance(context); |
jjg@12 | 313 | diagFactory = JCDiagnostic.Factory.instance(context); |
duke@1 | 314 | reader = ClassReader.instance(context); |
duke@1 | 315 | make = TreeMaker.instance(context); |
duke@1 | 316 | writer = ClassWriter.instance(context); |
duke@1 | 317 | enter = Enter.instance(context); |
duke@1 | 318 | todo = Todo.instance(context); |
duke@1 | 319 | |
duke@1 | 320 | fileManager = context.get(JavaFileManager.class); |
duke@1 | 321 | parserFactory = Parser.Factory.instance(context); |
duke@1 | 322 | |
duke@1 | 323 | try { |
duke@1 | 324 | // catch completion problems with predefineds |
duke@1 | 325 | syms = Symtab.instance(context); |
duke@1 | 326 | } catch (CompletionFailure ex) { |
duke@1 | 327 | // inlined Check.completionError as it is not initialized yet |
jjg@12 | 328 | log.error("cant.access", ex.sym, ex.getDetailValue()); |
duke@1 | 329 | if (ex instanceof ClassReader.BadClassFile) |
duke@1 | 330 | throw new Abort(); |
duke@1 | 331 | } |
duke@1 | 332 | source = Source.instance(context); |
duke@1 | 333 | attr = Attr.instance(context); |
duke@1 | 334 | chk = Check.instance(context); |
duke@1 | 335 | gen = Gen.instance(context); |
duke@1 | 336 | flow = Flow.instance(context); |
duke@1 | 337 | transTypes = TransTypes.instance(context); |
duke@1 | 338 | lower = Lower.instance(context); |
duke@1 | 339 | annotate = Annotate.instance(context); |
duke@1 | 340 | types = Types.instance(context); |
duke@1 | 341 | taskListener = context.get(TaskListener.class); |
duke@1 | 342 | |
duke@1 | 343 | reader.sourceCompleter = this; |
duke@1 | 344 | |
duke@1 | 345 | Options options = Options.instance(context); |
duke@1 | 346 | |
duke@1 | 347 | verbose = options.get("-verbose") != null; |
duke@1 | 348 | sourceOutput = options.get("-printsource") != null; // used to be -s |
duke@1 | 349 | stubOutput = options.get("-stubs") != null; |
duke@1 | 350 | relax = options.get("-relax") != null; |
duke@1 | 351 | printFlat = options.get("-printflat") != null; |
duke@1 | 352 | attrParseOnly = options.get("-attrparseonly") != null; |
duke@1 | 353 | encoding = options.get("-encoding"); |
duke@1 | 354 | lineDebugInfo = options.get("-g:") == null || |
duke@1 | 355 | options.get("-g:lines") != null; |
duke@1 | 356 | genEndPos = options.get("-Xjcov") != null || |
duke@1 | 357 | context.get(DiagnosticListener.class) != null; |
duke@1 | 358 | devVerbose = options.get("dev") != null; |
duke@1 | 359 | processPcks = options.get("process.packages") != null; |
duke@1 | 360 | |
duke@1 | 361 | verboseCompilePolicy = options.get("verboseCompilePolicy") != null; |
duke@1 | 362 | |
duke@1 | 363 | if (attrParseOnly) |
duke@1 | 364 | compilePolicy = CompilePolicy.ATTR_ONLY; |
duke@1 | 365 | else |
duke@1 | 366 | compilePolicy = CompilePolicy.decode(options.get("compilePolicy")); |
duke@1 | 367 | |
duke@1 | 368 | implicitSourcePolicy = ImplicitSourcePolicy.decode(options.get("-implicit")); |
duke@1 | 369 | |
duke@1 | 370 | completionFailureName = |
duke@1 | 371 | (options.get("failcomplete") != null) |
duke@1 | 372 | ? names.fromString(options.get("failcomplete")) |
duke@1 | 373 | : null; |
duke@1 | 374 | } |
duke@1 | 375 | |
duke@1 | 376 | /* Switches: |
duke@1 | 377 | */ |
duke@1 | 378 | |
duke@1 | 379 | /** Verbose output. |
duke@1 | 380 | */ |
duke@1 | 381 | public boolean verbose; |
duke@1 | 382 | |
duke@1 | 383 | /** Emit plain Java source files rather than class files. |
duke@1 | 384 | */ |
duke@1 | 385 | public boolean sourceOutput; |
duke@1 | 386 | |
duke@1 | 387 | /** Emit stub source files rather than class files. |
duke@1 | 388 | */ |
duke@1 | 389 | public boolean stubOutput; |
duke@1 | 390 | |
duke@1 | 391 | /** Generate attributed parse tree only. |
duke@1 | 392 | */ |
duke@1 | 393 | public boolean attrParseOnly; |
duke@1 | 394 | |
duke@1 | 395 | /** Switch: relax some constraints for producing the jsr14 prototype. |
duke@1 | 396 | */ |
duke@1 | 397 | boolean relax; |
duke@1 | 398 | |
duke@1 | 399 | /** Debug switch: Emit Java sources after inner class flattening. |
duke@1 | 400 | */ |
duke@1 | 401 | public boolean printFlat; |
duke@1 | 402 | |
duke@1 | 403 | /** The encoding to be used for source input. |
duke@1 | 404 | */ |
duke@1 | 405 | public String encoding; |
duke@1 | 406 | |
duke@1 | 407 | /** Generate code with the LineNumberTable attribute for debugging |
duke@1 | 408 | */ |
duke@1 | 409 | public boolean lineDebugInfo; |
duke@1 | 410 | |
duke@1 | 411 | /** Switch: should we store the ending positions? |
duke@1 | 412 | */ |
duke@1 | 413 | public boolean genEndPos; |
duke@1 | 414 | |
duke@1 | 415 | /** Switch: should we debug ignored exceptions |
duke@1 | 416 | */ |
duke@1 | 417 | protected boolean devVerbose; |
duke@1 | 418 | |
duke@1 | 419 | /** Switch: should we (annotation) process packages as well |
duke@1 | 420 | */ |
duke@1 | 421 | protected boolean processPcks; |
duke@1 | 422 | |
duke@1 | 423 | /** Switch: is annotation processing requested explitly via |
duke@1 | 424 | * CompilationTask.setProcessors? |
duke@1 | 425 | */ |
duke@1 | 426 | protected boolean explicitAnnotationProcessingRequested = false; |
duke@1 | 427 | |
duke@1 | 428 | /** |
duke@1 | 429 | * The policy for the order in which to perform the compilation |
duke@1 | 430 | */ |
duke@1 | 431 | protected CompilePolicy compilePolicy; |
duke@1 | 432 | |
duke@1 | 433 | /** |
duke@1 | 434 | * The policy for what to do with implicitly read source files |
duke@1 | 435 | */ |
duke@1 | 436 | protected ImplicitSourcePolicy implicitSourcePolicy; |
duke@1 | 437 | |
duke@1 | 438 | /** |
duke@1 | 439 | * Report activity related to compilePolicy |
duke@1 | 440 | */ |
duke@1 | 441 | public boolean verboseCompilePolicy; |
duke@1 | 442 | |
duke@1 | 443 | /** A queue of all as yet unattributed classes. |
duke@1 | 444 | */ |
duke@1 | 445 | public Todo todo; |
duke@1 | 446 | |
duke@1 | 447 | private Set<Env<AttrContext>> deferredSugar = new HashSet<Env<AttrContext>>(); |
duke@1 | 448 | |
duke@1 | 449 | /** The set of currently compiled inputfiles, needed to ensure |
duke@1 | 450 | * we don't accidentally overwrite an input file when -s is set. |
duke@1 | 451 | * initialized by `compile'. |
duke@1 | 452 | */ |
duke@1 | 453 | protected Set<JavaFileObject> inputFiles = new HashSet<JavaFileObject>(); |
duke@1 | 454 | |
duke@1 | 455 | /** The number of errors reported so far. |
duke@1 | 456 | */ |
duke@1 | 457 | public int errorCount() { |
duke@1 | 458 | if (delegateCompiler != null && delegateCompiler != this) |
duke@1 | 459 | return delegateCompiler.errorCount(); |
duke@1 | 460 | else |
duke@1 | 461 | return log.nerrors; |
duke@1 | 462 | } |
duke@1 | 463 | |
jjg@70 | 464 | protected final <T> Queue<T> stopIfError(Queue<T> queue) { |
duke@1 | 465 | if (errorCount() == 0) |
jjg@70 | 466 | return queue; |
duke@1 | 467 | else |
jjg@70 | 468 | return ListBuffer.lb(); |
duke@1 | 469 | } |
duke@1 | 470 | |
duke@1 | 471 | protected final <T> List<T> stopIfError(List<T> list) { |
duke@1 | 472 | if (errorCount() == 0) |
duke@1 | 473 | return list; |
duke@1 | 474 | else |
duke@1 | 475 | return List.nil(); |
duke@1 | 476 | } |
duke@1 | 477 | |
duke@1 | 478 | /** The number of warnings reported so far. |
duke@1 | 479 | */ |
duke@1 | 480 | public int warningCount() { |
duke@1 | 481 | if (delegateCompiler != null && delegateCompiler != this) |
duke@1 | 482 | return delegateCompiler.warningCount(); |
duke@1 | 483 | else |
duke@1 | 484 | return log.nwarnings; |
duke@1 | 485 | } |
duke@1 | 486 | |
duke@1 | 487 | /** Whether or not any parse errors have occurred. |
duke@1 | 488 | */ |
duke@1 | 489 | public boolean parseErrors() { |
duke@1 | 490 | return parseErrors; |
duke@1 | 491 | } |
duke@1 | 492 | |
duke@1 | 493 | protected Scanner.Factory getScannerFactory() { |
duke@1 | 494 | return Scanner.Factory.instance(context); |
duke@1 | 495 | } |
duke@1 | 496 | |
duke@1 | 497 | /** Try to open input stream with given name. |
duke@1 | 498 | * Report an error if this fails. |
duke@1 | 499 | * @param filename The file name of the input stream to be opened. |
duke@1 | 500 | */ |
duke@1 | 501 | public CharSequence readSource(JavaFileObject filename) { |
duke@1 | 502 | try { |
duke@1 | 503 | inputFiles.add(filename); |
duke@1 | 504 | return filename.getCharContent(false); |
duke@1 | 505 | } catch (IOException e) { |
duke@1 | 506 | log.error("error.reading.file", filename, e.getLocalizedMessage()); |
duke@1 | 507 | return null; |
duke@1 | 508 | } |
duke@1 | 509 | } |
duke@1 | 510 | |
duke@1 | 511 | /** Parse contents of input stream. |
duke@1 | 512 | * @param filename The name of the file from which input stream comes. |
duke@1 | 513 | * @param input The input stream to be parsed. |
duke@1 | 514 | */ |
duke@1 | 515 | protected JCCompilationUnit parse(JavaFileObject filename, CharSequence content) { |
duke@1 | 516 | long msec = now(); |
duke@1 | 517 | JCCompilationUnit tree = make.TopLevel(List.<JCTree.JCAnnotation>nil(), |
duke@1 | 518 | null, List.<JCTree>nil()); |
duke@1 | 519 | if (content != null) { |
duke@1 | 520 | if (verbose) { |
duke@1 | 521 | printVerbose("parsing.started", filename); |
duke@1 | 522 | } |
duke@1 | 523 | if (taskListener != null) { |
duke@1 | 524 | TaskEvent e = new TaskEvent(TaskEvent.Kind.PARSE, filename); |
duke@1 | 525 | taskListener.started(e); |
duke@1 | 526 | } |
duke@1 | 527 | int initialErrorCount = log.nerrors; |
duke@1 | 528 | Scanner scanner = getScannerFactory().newScanner(content); |
duke@1 | 529 | Parser parser = parserFactory.newParser(scanner, keepComments(), genEndPos); |
duke@1 | 530 | tree = parser.compilationUnit(); |
duke@1 | 531 | parseErrors |= (log.nerrors > initialErrorCount); |
duke@1 | 532 | if (lineDebugInfo) { |
duke@1 | 533 | tree.lineMap = scanner.getLineMap(); |
duke@1 | 534 | } |
duke@1 | 535 | if (verbose) { |
duke@1 | 536 | printVerbose("parsing.done", Long.toString(elapsed(msec))); |
duke@1 | 537 | } |
duke@1 | 538 | } |
duke@1 | 539 | |
duke@1 | 540 | tree.sourcefile = filename; |
duke@1 | 541 | |
duke@1 | 542 | if (content != null && taskListener != null) { |
duke@1 | 543 | TaskEvent e = new TaskEvent(TaskEvent.Kind.PARSE, tree); |
duke@1 | 544 | taskListener.finished(e); |
duke@1 | 545 | } |
duke@1 | 546 | |
duke@1 | 547 | return tree; |
duke@1 | 548 | } |
duke@1 | 549 | // where |
duke@1 | 550 | public boolean keepComments = false; |
duke@1 | 551 | protected boolean keepComments() { |
duke@1 | 552 | return keepComments || sourceOutput || stubOutput; |
duke@1 | 553 | } |
duke@1 | 554 | |
duke@1 | 555 | |
duke@1 | 556 | /** Parse contents of file. |
duke@1 | 557 | * @param filename The name of the file to be parsed. |
duke@1 | 558 | */ |
duke@1 | 559 | @Deprecated |
duke@1 | 560 | public JCTree.JCCompilationUnit parse(String filename) throws IOException { |
duke@1 | 561 | JavacFileManager fm = (JavacFileManager)fileManager; |
duke@1 | 562 | return parse(fm.getJavaFileObjectsFromStrings(List.of(filename)).iterator().next()); |
duke@1 | 563 | } |
duke@1 | 564 | |
duke@1 | 565 | /** Parse contents of file. |
duke@1 | 566 | * @param filename The name of the file to be parsed. |
duke@1 | 567 | */ |
duke@1 | 568 | public JCTree.JCCompilationUnit parse(JavaFileObject filename) { |
duke@1 | 569 | JavaFileObject prev = log.useSource(filename); |
duke@1 | 570 | try { |
duke@1 | 571 | JCTree.JCCompilationUnit t = parse(filename, readSource(filename)); |
duke@1 | 572 | if (t.endPositions != null) |
duke@1 | 573 | log.setEndPosTable(filename, t.endPositions); |
duke@1 | 574 | return t; |
duke@1 | 575 | } finally { |
duke@1 | 576 | log.useSource(prev); |
duke@1 | 577 | } |
duke@1 | 578 | } |
duke@1 | 579 | |
duke@1 | 580 | /** Resolve an identifier. |
duke@1 | 581 | * @param name The identifier to resolve |
duke@1 | 582 | */ |
duke@1 | 583 | public Symbol resolveIdent(String name) { |
duke@1 | 584 | if (name.equals("")) |
duke@1 | 585 | return syms.errSymbol; |
duke@1 | 586 | JavaFileObject prev = log.useSource(null); |
duke@1 | 587 | try { |
duke@1 | 588 | JCExpression tree = null; |
duke@1 | 589 | for (String s : name.split("\\.", -1)) { |
duke@1 | 590 | if (!SourceVersion.isIdentifier(s)) // TODO: check for keywords |
duke@1 | 591 | return syms.errSymbol; |
duke@1 | 592 | tree = (tree == null) ? make.Ident(names.fromString(s)) |
duke@1 | 593 | : make.Select(tree, names.fromString(s)); |
duke@1 | 594 | } |
duke@1 | 595 | JCCompilationUnit toplevel = |
duke@1 | 596 | make.TopLevel(List.<JCTree.JCAnnotation>nil(), null, List.<JCTree>nil()); |
duke@1 | 597 | toplevel.packge = syms.unnamedPackage; |
duke@1 | 598 | return attr.attribIdent(tree, toplevel); |
duke@1 | 599 | } finally { |
duke@1 | 600 | log.useSource(prev); |
duke@1 | 601 | } |
duke@1 | 602 | } |
duke@1 | 603 | |
duke@1 | 604 | /** Emit plain Java source for a class. |
duke@1 | 605 | * @param env The attribution environment of the outermost class |
duke@1 | 606 | * containing this class. |
duke@1 | 607 | * @param cdef The class definition to be printed. |
duke@1 | 608 | */ |
duke@1 | 609 | JavaFileObject printSource(Env<AttrContext> env, JCClassDecl cdef) throws IOException { |
duke@1 | 610 | JavaFileObject outFile |
duke@1 | 611 | = fileManager.getJavaFileForOutput(CLASS_OUTPUT, |
duke@1 | 612 | cdef.sym.flatname.toString(), |
duke@1 | 613 | JavaFileObject.Kind.SOURCE, |
duke@1 | 614 | null); |
duke@1 | 615 | if (inputFiles.contains(outFile)) { |
duke@1 | 616 | log.error(cdef.pos(), "source.cant.overwrite.input.file", outFile); |
duke@1 | 617 | return null; |
duke@1 | 618 | } else { |
duke@1 | 619 | BufferedWriter out = new BufferedWriter(outFile.openWriter()); |
duke@1 | 620 | try { |
duke@1 | 621 | new Pretty(out, true).printUnit(env.toplevel, cdef); |
duke@1 | 622 | if (verbose) |
duke@1 | 623 | printVerbose("wrote.file", outFile); |
duke@1 | 624 | } finally { |
duke@1 | 625 | out.close(); |
duke@1 | 626 | } |
duke@1 | 627 | return outFile; |
duke@1 | 628 | } |
duke@1 | 629 | } |
duke@1 | 630 | |
duke@1 | 631 | /** Generate code and emit a class file for a given class |
duke@1 | 632 | * @param env The attribution environment of the outermost class |
duke@1 | 633 | * containing this class. |
duke@1 | 634 | * @param cdef The class definition from which code is generated. |
duke@1 | 635 | */ |
duke@1 | 636 | JavaFileObject genCode(Env<AttrContext> env, JCClassDecl cdef) throws IOException { |
duke@1 | 637 | try { |
duke@1 | 638 | if (gen.genClass(env, cdef)) |
duke@1 | 639 | return writer.writeClass(cdef.sym); |
duke@1 | 640 | } catch (ClassWriter.PoolOverflow ex) { |
duke@1 | 641 | log.error(cdef.pos(), "limit.pool"); |
duke@1 | 642 | } catch (ClassWriter.StringOverflow ex) { |
duke@1 | 643 | log.error(cdef.pos(), "limit.string.overflow", |
duke@1 | 644 | ex.value.substring(0, 20)); |
duke@1 | 645 | } catch (CompletionFailure ex) { |
duke@1 | 646 | chk.completionError(cdef.pos(), ex); |
duke@1 | 647 | } |
duke@1 | 648 | return null; |
duke@1 | 649 | } |
duke@1 | 650 | |
duke@1 | 651 | /** Complete compiling a source file that has been accessed |
duke@1 | 652 | * by the class file reader. |
duke@1 | 653 | * @param c The class the source file of which needs to be compiled. |
duke@1 | 654 | * @param filename The name of the source file. |
duke@1 | 655 | * @param f An input stream that reads the source file. |
duke@1 | 656 | */ |
duke@1 | 657 | public void complete(ClassSymbol c) throws CompletionFailure { |
duke@1 | 658 | // System.err.println("completing " + c);//DEBUG |
duke@1 | 659 | if (completionFailureName == c.fullname) { |
duke@1 | 660 | throw new CompletionFailure(c, "user-selected completion failure by class name"); |
duke@1 | 661 | } |
duke@1 | 662 | JCCompilationUnit tree; |
duke@1 | 663 | JavaFileObject filename = c.classfile; |
duke@1 | 664 | JavaFileObject prev = log.useSource(filename); |
duke@1 | 665 | |
duke@1 | 666 | try { |
duke@1 | 667 | tree = parse(filename, filename.getCharContent(false)); |
duke@1 | 668 | } catch (IOException e) { |
duke@1 | 669 | log.error("error.reading.file", filename, e); |
duke@1 | 670 | tree = make.TopLevel(List.<JCTree.JCAnnotation>nil(), null, List.<JCTree>nil()); |
duke@1 | 671 | } finally { |
duke@1 | 672 | log.useSource(prev); |
duke@1 | 673 | } |
duke@1 | 674 | |
duke@1 | 675 | if (taskListener != null) { |
duke@1 | 676 | TaskEvent e = new TaskEvent(TaskEvent.Kind.ENTER, tree); |
duke@1 | 677 | taskListener.started(e); |
duke@1 | 678 | } |
duke@1 | 679 | |
duke@1 | 680 | enter.complete(List.of(tree), c); |
duke@1 | 681 | |
duke@1 | 682 | if (taskListener != null) { |
duke@1 | 683 | TaskEvent e = new TaskEvent(TaskEvent.Kind.ENTER, tree); |
duke@1 | 684 | taskListener.finished(e); |
duke@1 | 685 | } |
duke@1 | 686 | |
duke@1 | 687 | if (enter.getEnv(c) == null) { |
duke@1 | 688 | boolean isPkgInfo = |
duke@1 | 689 | tree.sourcefile.isNameCompatible("package-info", |
duke@1 | 690 | JavaFileObject.Kind.SOURCE); |
duke@1 | 691 | if (isPkgInfo) { |
duke@1 | 692 | if (enter.getEnv(tree.packge) == null) { |
jjg@12 | 693 | JCDiagnostic diag = |
jjg@12 | 694 | diagFactory.fragment("file.does.not.contain.package", |
duke@1 | 695 | c.location()); |
jjg@12 | 696 | throw reader.new BadClassFile(c, filename, diag); |
duke@1 | 697 | } |
duke@1 | 698 | } else { |
jjg@12 | 699 | JCDiagnostic diag = |
jjg@12 | 700 | diagFactory.fragment("file.doesnt.contain.class", |
jjg@12 | 701 | c.getQualifiedName()); |
jjg@12 | 702 | throw reader.new BadClassFile(c, filename, diag); |
duke@1 | 703 | } |
duke@1 | 704 | } |
duke@1 | 705 | |
duke@1 | 706 | implicitSourceFilesRead = true; |
duke@1 | 707 | } |
duke@1 | 708 | |
duke@1 | 709 | /** Track when the JavaCompiler has been used to compile something. */ |
duke@1 | 710 | private boolean hasBeenUsed = false; |
duke@1 | 711 | private long start_msec = 0; |
duke@1 | 712 | public long elapsed_msec = 0; |
duke@1 | 713 | |
duke@1 | 714 | /** Track whether any errors occurred while parsing source text. */ |
duke@1 | 715 | private boolean parseErrors = false; |
duke@1 | 716 | |
duke@1 | 717 | public void compile(List<JavaFileObject> sourceFileObject) |
duke@1 | 718 | throws Throwable { |
duke@1 | 719 | compile(sourceFileObject, List.<String>nil(), null); |
duke@1 | 720 | } |
duke@1 | 721 | |
duke@1 | 722 | /** |
duke@1 | 723 | * Main method: compile a list of files, return all compiled classes |
duke@1 | 724 | * |
duke@1 | 725 | * @param sourceFileObjects file objects to be compiled |
duke@1 | 726 | * @param classnames class names to process for annotations |
duke@1 | 727 | * @param processors user provided annotation processors to bypass |
duke@1 | 728 | * discovery, {@code null} means that no processors were provided |
duke@1 | 729 | */ |
duke@1 | 730 | public void compile(List<JavaFileObject> sourceFileObjects, |
duke@1 | 731 | List<String> classnames, |
duke@1 | 732 | Iterable<? extends Processor> processors) |
duke@1 | 733 | throws IOException // TODO: temp, from JavacProcessingEnvironment |
duke@1 | 734 | { |
duke@1 | 735 | if (processors != null && processors.iterator().hasNext()) |
duke@1 | 736 | explicitAnnotationProcessingRequested = true; |
duke@1 | 737 | // as a JavaCompiler can only be used once, throw an exception if |
duke@1 | 738 | // it has been used before. |
duke@1 | 739 | if (hasBeenUsed) |
duke@1 | 740 | throw new AssertionError("attempt to reuse JavaCompiler"); |
duke@1 | 741 | hasBeenUsed = true; |
duke@1 | 742 | |
duke@1 | 743 | start_msec = now(); |
duke@1 | 744 | try { |
duke@1 | 745 | initProcessAnnotations(processors); |
duke@1 | 746 | |
duke@1 | 747 | // These method calls must be chained to avoid memory leaks |
duke@1 | 748 | delegateCompiler = processAnnotations(enterTrees(stopIfError(parseFiles(sourceFileObjects))), |
duke@1 | 749 | classnames); |
duke@1 | 750 | |
duke@1 | 751 | delegateCompiler.compile2(); |
duke@1 | 752 | delegateCompiler.close(); |
duke@1 | 753 | elapsed_msec = delegateCompiler.elapsed_msec; |
duke@1 | 754 | } catch (Abort ex) { |
duke@1 | 755 | if (devVerbose) |
duke@1 | 756 | ex.printStackTrace(); |
duke@1 | 757 | } |
duke@1 | 758 | } |
duke@1 | 759 | |
duke@1 | 760 | /** |
duke@1 | 761 | * The phases following annotation processing: attribution, |
duke@1 | 762 | * desugar, and finally code generation. |
duke@1 | 763 | */ |
duke@1 | 764 | private void compile2() { |
duke@1 | 765 | try { |
duke@1 | 766 | switch (compilePolicy) { |
duke@1 | 767 | case ATTR_ONLY: |
duke@1 | 768 | attribute(todo); |
duke@1 | 769 | break; |
duke@1 | 770 | |
duke@1 | 771 | case CHECK_ONLY: |
duke@1 | 772 | flow(attribute(todo)); |
duke@1 | 773 | break; |
duke@1 | 774 | |
duke@1 | 775 | case SIMPLE: |
duke@1 | 776 | generate(desugar(flow(attribute(todo)))); |
duke@1 | 777 | break; |
duke@1 | 778 | |
duke@1 | 779 | case BY_FILE: |
jjg@70 | 780 | for (Queue<Env<AttrContext>> queue : groupByFile(flow(attribute(todo))).values()) |
jjg@70 | 781 | generate(desugar(queue)); |
duke@1 | 782 | break; |
duke@1 | 783 | |
duke@1 | 784 | case BY_TODO: |
duke@1 | 785 | while (todo.nonEmpty()) |
duke@1 | 786 | generate(desugar(flow(attribute(todo.next())))); |
duke@1 | 787 | break; |
duke@1 | 788 | |
duke@1 | 789 | default: |
duke@1 | 790 | assert false: "unknown compile policy"; |
duke@1 | 791 | } |
duke@1 | 792 | } catch (Abort ex) { |
duke@1 | 793 | if (devVerbose) |
duke@1 | 794 | ex.printStackTrace(); |
duke@1 | 795 | } |
duke@1 | 796 | |
duke@1 | 797 | if (verbose) { |
jjg@70 | 798 | elapsed_msec = elapsed(start_msec); |
duke@1 | 799 | printVerbose("total", Long.toString(elapsed_msec)); |
duke@1 | 800 | } |
duke@1 | 801 | |
duke@1 | 802 | reportDeferredDiagnostics(); |
duke@1 | 803 | |
duke@1 | 804 | if (!log.hasDiagnosticListener()) { |
duke@1 | 805 | printCount("error", errorCount()); |
duke@1 | 806 | printCount("warn", warningCount()); |
duke@1 | 807 | } |
duke@1 | 808 | } |
duke@1 | 809 | |
duke@1 | 810 | private List<JCClassDecl> rootClasses; |
duke@1 | 811 | |
duke@1 | 812 | /** |
duke@1 | 813 | * Parses a list of files. |
duke@1 | 814 | */ |
duke@1 | 815 | public List<JCCompilationUnit> parseFiles(List<JavaFileObject> fileObjects) throws IOException { |
duke@1 | 816 | if (errorCount() > 0) |
duke@1 | 817 | return List.nil(); |
duke@1 | 818 | |
duke@1 | 819 | //parse all files |
duke@1 | 820 | ListBuffer<JCCompilationUnit> trees = lb(); |
duke@1 | 821 | for (JavaFileObject fileObject : fileObjects) |
duke@1 | 822 | trees.append(parse(fileObject)); |
duke@1 | 823 | return trees.toList(); |
duke@1 | 824 | } |
duke@1 | 825 | |
duke@1 | 826 | /** |
duke@1 | 827 | * Enter the symbols found in a list of parse trees. |
duke@1 | 828 | * As a side-effect, this puts elements on the "todo" list. |
duke@1 | 829 | * Also stores a list of all top level classes in rootClasses. |
duke@1 | 830 | */ |
duke@1 | 831 | public List<JCCompilationUnit> enterTrees(List<JCCompilationUnit> roots) { |
duke@1 | 832 | //enter symbols for all files |
duke@1 | 833 | if (taskListener != null) { |
duke@1 | 834 | for (JCCompilationUnit unit: roots) { |
duke@1 | 835 | TaskEvent e = new TaskEvent(TaskEvent.Kind.ENTER, unit); |
duke@1 | 836 | taskListener.started(e); |
duke@1 | 837 | } |
duke@1 | 838 | } |
duke@1 | 839 | |
duke@1 | 840 | enter.main(roots); |
duke@1 | 841 | |
duke@1 | 842 | if (taskListener != null) { |
duke@1 | 843 | for (JCCompilationUnit unit: roots) { |
duke@1 | 844 | TaskEvent e = new TaskEvent(TaskEvent.Kind.ENTER, unit); |
duke@1 | 845 | taskListener.finished(e); |
duke@1 | 846 | } |
duke@1 | 847 | } |
duke@1 | 848 | |
duke@1 | 849 | //If generating source, remember the classes declared in |
duke@1 | 850 | //the original compilation units listed on the command line. |
duke@1 | 851 | if (sourceOutput || stubOutput) { |
duke@1 | 852 | ListBuffer<JCClassDecl> cdefs = lb(); |
duke@1 | 853 | for (JCCompilationUnit unit : roots) { |
duke@1 | 854 | for (List<JCTree> defs = unit.defs; |
duke@1 | 855 | defs.nonEmpty(); |
duke@1 | 856 | defs = defs.tail) { |
duke@1 | 857 | if (defs.head instanceof JCClassDecl) |
duke@1 | 858 | cdefs.append((JCClassDecl)defs.head); |
duke@1 | 859 | } |
duke@1 | 860 | } |
duke@1 | 861 | rootClasses = cdefs.toList(); |
duke@1 | 862 | } |
duke@1 | 863 | return roots; |
duke@1 | 864 | } |
duke@1 | 865 | |
duke@1 | 866 | /** |
duke@1 | 867 | * Set to true to enable skeleton annotation processing code. |
duke@1 | 868 | * Currently, we assume this variable will be replaced more |
duke@1 | 869 | * advanced logic to figure out if annotation processing is |
duke@1 | 870 | * needed. |
duke@1 | 871 | */ |
duke@1 | 872 | boolean processAnnotations = false; |
duke@1 | 873 | |
duke@1 | 874 | /** |
duke@1 | 875 | * Object to handle annotation processing. |
duke@1 | 876 | */ |
duke@1 | 877 | JavacProcessingEnvironment procEnvImpl = null; |
duke@1 | 878 | |
duke@1 | 879 | /** |
duke@1 | 880 | * Check if we should process annotations. |
duke@1 | 881 | * If so, and if no scanner is yet registered, then set up the DocCommentScanner |
duke@1 | 882 | * to catch doc comments, and set keepComments so the parser records them in |
duke@1 | 883 | * the compilation unit. |
duke@1 | 884 | * |
duke@1 | 885 | * @param processors user provided annotation processors to bypass |
duke@1 | 886 | * discovery, {@code null} means that no processors were provided |
duke@1 | 887 | */ |
duke@1 | 888 | public void initProcessAnnotations(Iterable<? extends Processor> processors) { |
duke@1 | 889 | // Process annotations if processing is not disabled and there |
duke@1 | 890 | // is at least one Processor available. |
duke@1 | 891 | Options options = Options.instance(context); |
duke@1 | 892 | if (options.get("-proc:none") != null) { |
duke@1 | 893 | processAnnotations = false; |
duke@1 | 894 | } else if (procEnvImpl == null) { |
duke@1 | 895 | procEnvImpl = new JavacProcessingEnvironment(context, processors); |
duke@1 | 896 | processAnnotations = procEnvImpl.atLeastOneProcessor(); |
duke@1 | 897 | |
duke@1 | 898 | if (processAnnotations) { |
duke@1 | 899 | if (context.get(Scanner.Factory.scannerFactoryKey) == null) |
duke@1 | 900 | DocCommentScanner.Factory.preRegister(context); |
duke@1 | 901 | options.put("save-parameter-names", "save-parameter-names"); |
duke@1 | 902 | reader.saveParameterNames = true; |
duke@1 | 903 | keepComments = true; |
duke@1 | 904 | if (taskListener != null) |
duke@1 | 905 | taskListener.started(new TaskEvent(TaskEvent.Kind.ANNOTATION_PROCESSING)); |
duke@1 | 906 | |
duke@1 | 907 | |
duke@1 | 908 | } else { // free resources |
duke@1 | 909 | procEnvImpl.close(); |
duke@1 | 910 | } |
duke@1 | 911 | } |
duke@1 | 912 | } |
duke@1 | 913 | |
duke@1 | 914 | // TODO: called by JavacTaskImpl |
duke@1 | 915 | public JavaCompiler processAnnotations(List<JCCompilationUnit> roots) throws IOException { |
duke@1 | 916 | return processAnnotations(roots, List.<String>nil()); |
duke@1 | 917 | } |
duke@1 | 918 | |
duke@1 | 919 | /** |
duke@1 | 920 | * Process any anotations found in the specifed compilation units. |
duke@1 | 921 | * @param roots a list of compilation units |
duke@1 | 922 | * @return an instance of the compiler in which to complete the compilation |
duke@1 | 923 | */ |
duke@1 | 924 | public JavaCompiler processAnnotations(List<JCCompilationUnit> roots, |
duke@1 | 925 | List<String> classnames) |
duke@1 | 926 | throws IOException { // TODO: see TEMP note in JavacProcessingEnvironment |
duke@1 | 927 | if (errorCount() != 0) { |
duke@1 | 928 | // Errors were encountered. If todo is empty, then the |
duke@1 | 929 | // encountered errors were parse errors. Otherwise, the |
duke@1 | 930 | // errors were found during the enter phase which should |
duke@1 | 931 | // be ignored when processing annotations. |
duke@1 | 932 | |
duke@1 | 933 | if (todo.isEmpty()) |
duke@1 | 934 | return this; |
duke@1 | 935 | } |
duke@1 | 936 | |
duke@1 | 937 | // ASSERT: processAnnotations and procEnvImpl should have been set up by |
duke@1 | 938 | // by initProcessAnnotations |
duke@1 | 939 | |
duke@1 | 940 | // NOTE: The !classnames.isEmpty() checks should be refactored to Main. |
duke@1 | 941 | |
duke@1 | 942 | if (!processAnnotations) { |
duke@1 | 943 | // If there are no annotation processors present, and |
duke@1 | 944 | // annotation processing is to occur with compilation, |
duke@1 | 945 | // emit a warning. |
duke@1 | 946 | Options options = Options.instance(context); |
duke@1 | 947 | if (options.get("-proc:only") != null) { |
duke@1 | 948 | log.warning("proc.proc-only.requested.no.procs"); |
duke@1 | 949 | todo.clear(); |
duke@1 | 950 | } |
duke@1 | 951 | // If not processing annotations, classnames must be empty |
duke@1 | 952 | if (!classnames.isEmpty()) { |
duke@1 | 953 | log.error("proc.no.explicit.annotation.processing.requested", |
duke@1 | 954 | classnames); |
duke@1 | 955 | } |
duke@1 | 956 | return this; // continue regular compilation |
duke@1 | 957 | } |
duke@1 | 958 | |
duke@1 | 959 | try { |
duke@1 | 960 | List<ClassSymbol> classSymbols = List.nil(); |
duke@1 | 961 | List<PackageSymbol> pckSymbols = List.nil(); |
duke@1 | 962 | if (!classnames.isEmpty()) { |
duke@1 | 963 | // Check for explicit request for annotation |
duke@1 | 964 | // processing |
duke@1 | 965 | if (!explicitAnnotationProcessingRequested()) { |
duke@1 | 966 | log.error("proc.no.explicit.annotation.processing.requested", |
duke@1 | 967 | classnames); |
duke@1 | 968 | return this; // TODO: Will this halt compilation? |
duke@1 | 969 | } else { |
duke@1 | 970 | boolean errors = false; |
duke@1 | 971 | for (String nameStr : classnames) { |
duke@1 | 972 | Symbol sym = resolveIdent(nameStr); |
duke@1 | 973 | if (sym == null || (sym.kind == Kinds.PCK && !processPcks)) { |
duke@1 | 974 | log.error("proc.cant.find.class", nameStr); |
duke@1 | 975 | errors = true; |
duke@1 | 976 | continue; |
duke@1 | 977 | } |
duke@1 | 978 | try { |
duke@1 | 979 | if (sym.kind == Kinds.PCK) |
duke@1 | 980 | sym.complete(); |
duke@1 | 981 | if (sym.exists()) { |
duke@1 | 982 | Name name = names.fromString(nameStr); |
duke@1 | 983 | if (sym.kind == Kinds.PCK) |
duke@1 | 984 | pckSymbols = pckSymbols.prepend((PackageSymbol)sym); |
duke@1 | 985 | else |
duke@1 | 986 | classSymbols = classSymbols.prepend((ClassSymbol)sym); |
duke@1 | 987 | continue; |
duke@1 | 988 | } |
duke@1 | 989 | assert sym.kind == Kinds.PCK; |
duke@1 | 990 | log.warning("proc.package.does.not.exist", nameStr); |
duke@1 | 991 | pckSymbols = pckSymbols.prepend((PackageSymbol)sym); |
duke@1 | 992 | } catch (CompletionFailure e) { |
duke@1 | 993 | log.error("proc.cant.find.class", nameStr); |
duke@1 | 994 | errors = true; |
duke@1 | 995 | continue; |
duke@1 | 996 | } |
duke@1 | 997 | } |
duke@1 | 998 | if (errors) |
duke@1 | 999 | return this; |
duke@1 | 1000 | } |
duke@1 | 1001 | } |
duke@1 | 1002 | JavaCompiler c = procEnvImpl.doProcessing(context, roots, classSymbols, pckSymbols); |
duke@1 | 1003 | if (c != this) |
duke@1 | 1004 | annotationProcessingOccurred = c.annotationProcessingOccurred = true; |
duke@1 | 1005 | return c; |
duke@1 | 1006 | } catch (CompletionFailure ex) { |
jjg@12 | 1007 | log.error("cant.access", ex.sym, ex.getDetailValue()); |
duke@1 | 1008 | return this; |
duke@1 | 1009 | |
duke@1 | 1010 | } |
duke@1 | 1011 | } |
duke@1 | 1012 | |
duke@1 | 1013 | boolean explicitAnnotationProcessingRequested() { |
duke@1 | 1014 | Options options = Options.instance(context); |
duke@1 | 1015 | return |
duke@1 | 1016 | explicitAnnotationProcessingRequested || |
duke@1 | 1017 | options.get("-processor") != null || |
duke@1 | 1018 | options.get("-processorpath") != null || |
duke@1 | 1019 | options.get("-proc:only") != null || |
duke@1 | 1020 | options.get("-Xprint") != null; |
duke@1 | 1021 | } |
duke@1 | 1022 | |
duke@1 | 1023 | /** |
duke@1 | 1024 | * Attribute a list of parse trees, such as found on the "todo" list. |
duke@1 | 1025 | * Note that attributing classes may cause additional files to be |
duke@1 | 1026 | * parsed and entered via the SourceCompleter. |
duke@1 | 1027 | * Attribution of the entries in the list does not stop if any errors occur. |
duke@1 | 1028 | * @returns a list of environments for attributd classes. |
duke@1 | 1029 | */ |
jjg@70 | 1030 | public Queue<Env<AttrContext>> attribute(Queue<Env<AttrContext>> envs) { |
duke@1 | 1031 | ListBuffer<Env<AttrContext>> results = lb(); |
jjg@70 | 1032 | while (!envs.isEmpty()) |
jjg@70 | 1033 | results.append(attribute(envs.remove())); |
jjg@70 | 1034 | return results; |
duke@1 | 1035 | } |
duke@1 | 1036 | |
duke@1 | 1037 | /** |
duke@1 | 1038 | * Attribute a parse tree. |
duke@1 | 1039 | * @returns the attributed parse tree |
duke@1 | 1040 | */ |
duke@1 | 1041 | public Env<AttrContext> attribute(Env<AttrContext> env) { |
duke@1 | 1042 | if (verboseCompilePolicy) |
duke@1 | 1043 | log.printLines(log.noticeWriter, "[attribute " + env.enclClass.sym + "]"); |
duke@1 | 1044 | if (verbose) |
duke@1 | 1045 | printVerbose("checking.attribution", env.enclClass.sym); |
duke@1 | 1046 | |
duke@1 | 1047 | if (taskListener != null) { |
duke@1 | 1048 | TaskEvent e = new TaskEvent(TaskEvent.Kind.ANALYZE, env.toplevel, env.enclClass.sym); |
duke@1 | 1049 | taskListener.started(e); |
duke@1 | 1050 | } |
duke@1 | 1051 | |
duke@1 | 1052 | JavaFileObject prev = log.useSource( |
duke@1 | 1053 | env.enclClass.sym.sourcefile != null ? |
duke@1 | 1054 | env.enclClass.sym.sourcefile : |
duke@1 | 1055 | env.toplevel.sourcefile); |
duke@1 | 1056 | try { |
duke@1 | 1057 | attr.attribClass(env.tree.pos(), env.enclClass.sym); |
duke@1 | 1058 | } |
duke@1 | 1059 | finally { |
duke@1 | 1060 | log.useSource(prev); |
duke@1 | 1061 | } |
duke@1 | 1062 | |
duke@1 | 1063 | return env; |
duke@1 | 1064 | } |
duke@1 | 1065 | |
duke@1 | 1066 | /** |
duke@1 | 1067 | * Perform dataflow checks on attributed parse trees. |
duke@1 | 1068 | * These include checks for definite assignment and unreachable statements. |
duke@1 | 1069 | * If any errors occur, an empty list will be returned. |
duke@1 | 1070 | * @returns the list of attributed parse trees |
duke@1 | 1071 | */ |
jjg@70 | 1072 | public Queue<Env<AttrContext>> flow(Queue<Env<AttrContext>> envs) { |
duke@1 | 1073 | ListBuffer<Env<AttrContext>> results = lb(); |
jjg@70 | 1074 | for (Env<AttrContext> env: envs) { |
jjg@70 | 1075 | flow(env, results); |
duke@1 | 1076 | } |
duke@1 | 1077 | return stopIfError(results); |
duke@1 | 1078 | } |
duke@1 | 1079 | |
duke@1 | 1080 | /** |
duke@1 | 1081 | * Perform dataflow checks on an attributed parse tree. |
duke@1 | 1082 | */ |
jjg@70 | 1083 | public Queue<Env<AttrContext>> flow(Env<AttrContext> env) { |
duke@1 | 1084 | ListBuffer<Env<AttrContext>> results = lb(); |
duke@1 | 1085 | flow(env, results); |
duke@1 | 1086 | return stopIfError(results); |
duke@1 | 1087 | } |
duke@1 | 1088 | |
duke@1 | 1089 | /** |
duke@1 | 1090 | * Perform dataflow checks on an attributed parse tree. |
duke@1 | 1091 | */ |
duke@1 | 1092 | protected void flow(Env<AttrContext> env, ListBuffer<Env<AttrContext>> results) { |
duke@1 | 1093 | try { |
duke@1 | 1094 | if (errorCount() > 0) |
duke@1 | 1095 | return; |
duke@1 | 1096 | |
duke@1 | 1097 | if (relax || deferredSugar.contains(env)) { |
duke@1 | 1098 | results.append(env); |
duke@1 | 1099 | return; |
duke@1 | 1100 | } |
duke@1 | 1101 | |
duke@1 | 1102 | if (verboseCompilePolicy) |
duke@1 | 1103 | log.printLines(log.noticeWriter, "[flow " + env.enclClass.sym + "]"); |
duke@1 | 1104 | JavaFileObject prev = log.useSource( |
duke@1 | 1105 | env.enclClass.sym.sourcefile != null ? |
duke@1 | 1106 | env.enclClass.sym.sourcefile : |
duke@1 | 1107 | env.toplevel.sourcefile); |
duke@1 | 1108 | try { |
duke@1 | 1109 | make.at(Position.FIRSTPOS); |
duke@1 | 1110 | TreeMaker localMake = make.forToplevel(env.toplevel); |
duke@1 | 1111 | flow.analyzeTree(env.tree, localMake); |
duke@1 | 1112 | |
duke@1 | 1113 | if (errorCount() > 0) |
duke@1 | 1114 | return; |
duke@1 | 1115 | |
duke@1 | 1116 | results.append(env); |
duke@1 | 1117 | } |
duke@1 | 1118 | finally { |
duke@1 | 1119 | log.useSource(prev); |
duke@1 | 1120 | } |
duke@1 | 1121 | } |
duke@1 | 1122 | finally { |
duke@1 | 1123 | if (taskListener != null) { |
duke@1 | 1124 | TaskEvent e = new TaskEvent(TaskEvent.Kind.ANALYZE, env.toplevel, env.enclClass.sym); |
duke@1 | 1125 | taskListener.finished(e); |
duke@1 | 1126 | } |
duke@1 | 1127 | } |
duke@1 | 1128 | } |
duke@1 | 1129 | |
duke@1 | 1130 | /** |
duke@1 | 1131 | * Prepare attributed parse trees, in conjunction with their attribution contexts, |
duke@1 | 1132 | * for source or code generation. |
duke@1 | 1133 | * If any errors occur, an empty list will be returned. |
duke@1 | 1134 | * @returns a list containing the classes to be generated |
duke@1 | 1135 | */ |
jjg@70 | 1136 | public Queue<Pair<Env<AttrContext>, JCClassDecl>> desugar(Queue<Env<AttrContext>> envs) { |
duke@1 | 1137 | ListBuffer<Pair<Env<AttrContext>, JCClassDecl>> results = lb(); |
jjg@70 | 1138 | for (Env<AttrContext> env: envs) |
jjg@70 | 1139 | desugar(env, results); |
duke@1 | 1140 | return stopIfError(results); |
duke@1 | 1141 | } |
duke@1 | 1142 | |
duke@1 | 1143 | /** |
duke@1 | 1144 | * Prepare attributed parse trees, in conjunction with their attribution contexts, |
duke@1 | 1145 | * for source or code generation. If the file was not listed on the command line, |
duke@1 | 1146 | * the current implicitSourcePolicy is taken into account. |
duke@1 | 1147 | * The preparation stops as soon as an error is found. |
duke@1 | 1148 | */ |
jjg@70 | 1149 | protected void desugar(Env<AttrContext> env, Queue<Pair<Env<AttrContext>, JCClassDecl>> results) { |
duke@1 | 1150 | if (errorCount() > 0) |
duke@1 | 1151 | return; |
duke@1 | 1152 | |
duke@1 | 1153 | if (implicitSourcePolicy == ImplicitSourcePolicy.NONE |
duke@1 | 1154 | && !inputFiles.contains(env.toplevel.sourcefile)) { |
duke@1 | 1155 | return; |
duke@1 | 1156 | } |
duke@1 | 1157 | |
duke@1 | 1158 | if (desugarLater(env)) { |
duke@1 | 1159 | if (verboseCompilePolicy) |
duke@1 | 1160 | log.printLines(log.noticeWriter, "[defer " + env.enclClass.sym + "]"); |
duke@1 | 1161 | todo.append(env); |
duke@1 | 1162 | return; |
duke@1 | 1163 | } |
duke@1 | 1164 | deferredSugar.remove(env); |
duke@1 | 1165 | |
duke@1 | 1166 | if (verboseCompilePolicy) |
duke@1 | 1167 | log.printLines(log.noticeWriter, "[desugar " + env.enclClass.sym + "]"); |
duke@1 | 1168 | |
duke@1 | 1169 | JavaFileObject prev = log.useSource(env.enclClass.sym.sourcefile != null ? |
duke@1 | 1170 | env.enclClass.sym.sourcefile : |
duke@1 | 1171 | env.toplevel.sourcefile); |
duke@1 | 1172 | try { |
duke@1 | 1173 | //save tree prior to rewriting |
duke@1 | 1174 | JCTree untranslated = env.tree; |
duke@1 | 1175 | |
duke@1 | 1176 | make.at(Position.FIRSTPOS); |
duke@1 | 1177 | TreeMaker localMake = make.forToplevel(env.toplevel); |
duke@1 | 1178 | |
duke@1 | 1179 | if (env.tree instanceof JCCompilationUnit) { |
duke@1 | 1180 | if (!(stubOutput || sourceOutput || printFlat)) { |
duke@1 | 1181 | List<JCTree> pdef = lower.translateTopLevelClass(env, env.tree, localMake); |
duke@1 | 1182 | if (pdef.head != null) { |
duke@1 | 1183 | assert pdef.tail.isEmpty(); |
jjg@70 | 1184 | results.add(new Pair<Env<AttrContext>, JCClassDecl>(env, (JCClassDecl)pdef.head)); |
duke@1 | 1185 | } |
duke@1 | 1186 | } |
duke@1 | 1187 | return; |
duke@1 | 1188 | } |
duke@1 | 1189 | |
duke@1 | 1190 | if (stubOutput) { |
duke@1 | 1191 | //emit stub Java source file, only for compilation |
duke@1 | 1192 | //units enumerated explicitly on the command line |
duke@1 | 1193 | JCClassDecl cdef = (JCClassDecl)env.tree; |
duke@1 | 1194 | if (untranslated instanceof JCClassDecl && |
duke@1 | 1195 | rootClasses.contains((JCClassDecl)untranslated) && |
duke@1 | 1196 | ((cdef.mods.flags & (Flags.PROTECTED|Flags.PUBLIC)) != 0 || |
duke@1 | 1197 | cdef.sym.packge().getQualifiedName() == names.java_lang)) { |
jjg@70 | 1198 | results.add(new Pair<Env<AttrContext>, JCClassDecl>(env, removeMethodBodies(cdef))); |
duke@1 | 1199 | } |
duke@1 | 1200 | return; |
duke@1 | 1201 | } |
duke@1 | 1202 | |
duke@1 | 1203 | env.tree = transTypes.translateTopLevelClass(env.tree, localMake); |
duke@1 | 1204 | |
duke@1 | 1205 | if (errorCount() != 0) |
duke@1 | 1206 | return; |
duke@1 | 1207 | |
duke@1 | 1208 | if (sourceOutput) { |
duke@1 | 1209 | //emit standard Java source file, only for compilation |
duke@1 | 1210 | //units enumerated explicitly on the command line |
duke@1 | 1211 | JCClassDecl cdef = (JCClassDecl)env.tree; |
duke@1 | 1212 | if (untranslated instanceof JCClassDecl && |
duke@1 | 1213 | rootClasses.contains((JCClassDecl)untranslated)) { |
jjg@70 | 1214 | results.add(new Pair<Env<AttrContext>, JCClassDecl>(env, cdef)); |
duke@1 | 1215 | } |
duke@1 | 1216 | return; |
duke@1 | 1217 | } |
duke@1 | 1218 | |
duke@1 | 1219 | //translate out inner classes |
duke@1 | 1220 | List<JCTree> cdefs = lower.translateTopLevelClass(env, env.tree, localMake); |
duke@1 | 1221 | |
duke@1 | 1222 | if (errorCount() != 0) |
duke@1 | 1223 | return; |
duke@1 | 1224 | |
duke@1 | 1225 | //generate code for each class |
duke@1 | 1226 | for (List<JCTree> l = cdefs; l.nonEmpty(); l = l.tail) { |
duke@1 | 1227 | JCClassDecl cdef = (JCClassDecl)l.head; |
jjg@70 | 1228 | results.add(new Pair<Env<AttrContext>, JCClassDecl>(env, cdef)); |
duke@1 | 1229 | } |
duke@1 | 1230 | } |
duke@1 | 1231 | finally { |
duke@1 | 1232 | log.useSource(prev); |
duke@1 | 1233 | } |
duke@1 | 1234 | |
duke@1 | 1235 | } |
duke@1 | 1236 | |
duke@1 | 1237 | /** |
duke@1 | 1238 | * Determine if a class needs to be desugared later. As erasure |
duke@1 | 1239 | * (TransTypes) destroys information needed in flow analysis, we |
duke@1 | 1240 | * need to ensure that supertypes are translated before derived |
duke@1 | 1241 | * types are translated. |
duke@1 | 1242 | */ |
duke@1 | 1243 | public boolean desugarLater(final Env<AttrContext> env) { |
duke@1 | 1244 | if (compilePolicy == CompilePolicy.BY_FILE) |
duke@1 | 1245 | return false; |
duke@1 | 1246 | if (!devVerbose && deferredSugar.contains(env)) |
duke@1 | 1247 | // guarantee that compiler terminates |
duke@1 | 1248 | return false; |
duke@1 | 1249 | class ScanNested extends TreeScanner { |
duke@1 | 1250 | Set<Symbol> externalSupers = new HashSet<Symbol>(); |
duke@1 | 1251 | public void visitClassDef(JCClassDecl node) { |
duke@1 | 1252 | Type st = types.supertype(node.sym.type); |
duke@1 | 1253 | if (st.tag == TypeTags.CLASS) { |
duke@1 | 1254 | ClassSymbol c = st.tsym.outermostClass(); |
duke@1 | 1255 | Env<AttrContext> stEnv = enter.getEnv(c); |
duke@1 | 1256 | if (stEnv != null && env != stEnv) |
duke@1 | 1257 | externalSupers.add(st.tsym); |
duke@1 | 1258 | } |
duke@1 | 1259 | super.visitClassDef(node); |
duke@1 | 1260 | } |
duke@1 | 1261 | } |
duke@1 | 1262 | ScanNested scanner = new ScanNested(); |
duke@1 | 1263 | scanner.scan(env.tree); |
duke@1 | 1264 | if (scanner.externalSupers.isEmpty()) |
duke@1 | 1265 | return false; |
duke@1 | 1266 | if (!deferredSugar.add(env) && devVerbose) { |
duke@1 | 1267 | throw new AssertionError(env.enclClass.sym + " was deferred, " + |
duke@1 | 1268 | "second time has these external super types " + |
duke@1 | 1269 | scanner.externalSupers); |
duke@1 | 1270 | } |
duke@1 | 1271 | return true; |
duke@1 | 1272 | } |
duke@1 | 1273 | |
duke@1 | 1274 | /** Generates the source or class file for a list of classes. |
duke@1 | 1275 | * The decision to generate a source file or a class file is |
duke@1 | 1276 | * based upon the compiler's options. |
duke@1 | 1277 | * Generation stops if an error occurs while writing files. |
duke@1 | 1278 | */ |
jjg@70 | 1279 | public void generate(Queue<Pair<Env<AttrContext>, JCClassDecl>> queue) { |
jjg@70 | 1280 | generate(queue, null); |
duke@1 | 1281 | } |
duke@1 | 1282 | |
jjg@70 | 1283 | public void generate(Queue<Pair<Env<AttrContext>, JCClassDecl>> queue, ListBuffer<JavaFileObject> results) { |
duke@1 | 1284 | boolean usePrintSource = (stubOutput || sourceOutput || printFlat); |
duke@1 | 1285 | |
jjg@70 | 1286 | for (Pair<Env<AttrContext>, JCClassDecl> x: queue) { |
duke@1 | 1287 | Env<AttrContext> env = x.fst; |
duke@1 | 1288 | JCClassDecl cdef = x.snd; |
duke@1 | 1289 | |
duke@1 | 1290 | if (verboseCompilePolicy) { |
duke@1 | 1291 | log.printLines(log.noticeWriter, "[generate " |
duke@1 | 1292 | + (usePrintSource ? " source" : "code") |
duke@1 | 1293 | + " " + env.enclClass.sym + "]"); |
duke@1 | 1294 | } |
duke@1 | 1295 | |
duke@1 | 1296 | if (taskListener != null) { |
duke@1 | 1297 | TaskEvent e = new TaskEvent(TaskEvent.Kind.GENERATE, env.toplevel, cdef.sym); |
duke@1 | 1298 | taskListener.started(e); |
duke@1 | 1299 | } |
duke@1 | 1300 | |
duke@1 | 1301 | JavaFileObject prev = log.useSource(env.enclClass.sym.sourcefile != null ? |
duke@1 | 1302 | env.enclClass.sym.sourcefile : |
duke@1 | 1303 | env.toplevel.sourcefile); |
duke@1 | 1304 | try { |
duke@1 | 1305 | JavaFileObject file; |
duke@1 | 1306 | if (usePrintSource) |
duke@1 | 1307 | file = printSource(env, cdef); |
duke@1 | 1308 | else |
duke@1 | 1309 | file = genCode(env, cdef); |
duke@1 | 1310 | if (results != null && file != null) |
duke@1 | 1311 | results.append(file); |
duke@1 | 1312 | } catch (IOException ex) { |
duke@1 | 1313 | log.error(cdef.pos(), "class.cant.write", |
duke@1 | 1314 | cdef.sym, ex.getMessage()); |
duke@1 | 1315 | return; |
duke@1 | 1316 | } finally { |
duke@1 | 1317 | log.useSource(prev); |
duke@1 | 1318 | } |
duke@1 | 1319 | |
duke@1 | 1320 | if (taskListener != null) { |
duke@1 | 1321 | TaskEvent e = new TaskEvent(TaskEvent.Kind.GENERATE, env.toplevel, cdef.sym); |
duke@1 | 1322 | taskListener.finished(e); |
duke@1 | 1323 | } |
duke@1 | 1324 | } |
duke@1 | 1325 | } |
duke@1 | 1326 | |
duke@1 | 1327 | // where |
jjg@70 | 1328 | Map<JCCompilationUnit, Queue<Env<AttrContext>>> groupByFile(Queue<Env<AttrContext>> envs) { |
duke@1 | 1329 | // use a LinkedHashMap to preserve the order of the original list as much as possible |
jjg@70 | 1330 | Map<JCCompilationUnit, Queue<Env<AttrContext>>> map = new LinkedHashMap<JCCompilationUnit, Queue<Env<AttrContext>>>(); |
jjg@70 | 1331 | for (Env<AttrContext> env: envs) { |
jjg@70 | 1332 | Queue<Env<AttrContext>> sublist = map.get(env.toplevel); |
jjg@70 | 1333 | if (sublist == null) { |
jjg@70 | 1334 | sublist = new ListBuffer<Env<AttrContext>>(); |
jjg@70 | 1335 | map.put(env.toplevel, sublist); |
duke@1 | 1336 | } |
jjg@70 | 1337 | sublist.add(env); |
duke@1 | 1338 | } |
duke@1 | 1339 | return map; |
duke@1 | 1340 | } |
duke@1 | 1341 | |
duke@1 | 1342 | JCClassDecl removeMethodBodies(JCClassDecl cdef) { |
duke@1 | 1343 | final boolean isInterface = (cdef.mods.flags & Flags.INTERFACE) != 0; |
duke@1 | 1344 | class MethodBodyRemover extends TreeTranslator { |
duke@1 | 1345 | public void visitMethodDef(JCMethodDecl tree) { |
duke@1 | 1346 | tree.mods.flags &= ~Flags.SYNCHRONIZED; |
duke@1 | 1347 | for (JCVariableDecl vd : tree.params) |
duke@1 | 1348 | vd.mods.flags &= ~Flags.FINAL; |
duke@1 | 1349 | tree.body = null; |
duke@1 | 1350 | super.visitMethodDef(tree); |
duke@1 | 1351 | } |
duke@1 | 1352 | public void visitVarDef(JCVariableDecl tree) { |
duke@1 | 1353 | if (tree.init != null && tree.init.type.constValue() == null) |
duke@1 | 1354 | tree.init = null; |
duke@1 | 1355 | super.visitVarDef(tree); |
duke@1 | 1356 | } |
duke@1 | 1357 | public void visitClassDef(JCClassDecl tree) { |
duke@1 | 1358 | ListBuffer<JCTree> newdefs = lb(); |
duke@1 | 1359 | for (List<JCTree> it = tree.defs; it.tail != null; it = it.tail) { |
duke@1 | 1360 | JCTree t = it.head; |
duke@1 | 1361 | switch (t.getTag()) { |
duke@1 | 1362 | case JCTree.CLASSDEF: |
duke@1 | 1363 | if (isInterface || |
duke@1 | 1364 | (((JCClassDecl) t).mods.flags & (Flags.PROTECTED|Flags.PUBLIC)) != 0 || |
duke@1 | 1365 | (((JCClassDecl) t).mods.flags & (Flags.PRIVATE)) == 0 && ((JCClassDecl) t).sym.packge().getQualifiedName() == names.java_lang) |
duke@1 | 1366 | newdefs.append(t); |
duke@1 | 1367 | break; |
duke@1 | 1368 | case JCTree.METHODDEF: |
duke@1 | 1369 | if (isInterface || |
duke@1 | 1370 | (((JCMethodDecl) t).mods.flags & (Flags.PROTECTED|Flags.PUBLIC)) != 0 || |
duke@1 | 1371 | ((JCMethodDecl) t).sym.name == names.init || |
duke@1 | 1372 | (((JCMethodDecl) t).mods.flags & (Flags.PRIVATE)) == 0 && ((JCMethodDecl) t).sym.packge().getQualifiedName() == names.java_lang) |
duke@1 | 1373 | newdefs.append(t); |
duke@1 | 1374 | break; |
duke@1 | 1375 | case JCTree.VARDEF: |
duke@1 | 1376 | if (isInterface || (((JCVariableDecl) t).mods.flags & (Flags.PROTECTED|Flags.PUBLIC)) != 0 || |
duke@1 | 1377 | (((JCVariableDecl) t).mods.flags & (Flags.PRIVATE)) == 0 && ((JCVariableDecl) t).sym.packge().getQualifiedName() == names.java_lang) |
duke@1 | 1378 | newdefs.append(t); |
duke@1 | 1379 | break; |
duke@1 | 1380 | default: |
duke@1 | 1381 | break; |
duke@1 | 1382 | } |
duke@1 | 1383 | } |
duke@1 | 1384 | tree.defs = newdefs.toList(); |
duke@1 | 1385 | super.visitClassDef(tree); |
duke@1 | 1386 | } |
duke@1 | 1387 | } |
duke@1 | 1388 | MethodBodyRemover r = new MethodBodyRemover(); |
duke@1 | 1389 | return r.translate(cdef); |
duke@1 | 1390 | } |
duke@1 | 1391 | |
duke@1 | 1392 | public void reportDeferredDiagnostics() { |
duke@1 | 1393 | if (annotationProcessingOccurred |
duke@1 | 1394 | && implicitSourceFilesRead |
duke@1 | 1395 | && implicitSourcePolicy == ImplicitSourcePolicy.UNSET) { |
duke@1 | 1396 | if (explicitAnnotationProcessingRequested()) |
duke@1 | 1397 | log.warning("proc.use.implicit"); |
duke@1 | 1398 | else |
duke@1 | 1399 | log.warning("proc.use.proc.or.implicit"); |
duke@1 | 1400 | } |
duke@1 | 1401 | chk.reportDeferredDiagnostics(); |
duke@1 | 1402 | } |
duke@1 | 1403 | |
duke@1 | 1404 | /** Close the compiler, flushing the logs |
duke@1 | 1405 | */ |
duke@1 | 1406 | public void close() { |
duke@1 | 1407 | close(true); |
duke@1 | 1408 | } |
duke@1 | 1409 | |
duke@1 | 1410 | private void close(boolean disposeNames) { |
duke@1 | 1411 | rootClasses = null; |
duke@1 | 1412 | reader = null; |
duke@1 | 1413 | make = null; |
duke@1 | 1414 | writer = null; |
duke@1 | 1415 | enter = null; |
duke@1 | 1416 | if (todo != null) |
duke@1 | 1417 | todo.clear(); |
duke@1 | 1418 | todo = null; |
duke@1 | 1419 | parserFactory = null; |
duke@1 | 1420 | syms = null; |
duke@1 | 1421 | source = null; |
duke@1 | 1422 | attr = null; |
duke@1 | 1423 | chk = null; |
duke@1 | 1424 | gen = null; |
duke@1 | 1425 | flow = null; |
duke@1 | 1426 | transTypes = null; |
duke@1 | 1427 | lower = null; |
duke@1 | 1428 | annotate = null; |
duke@1 | 1429 | types = null; |
duke@1 | 1430 | |
duke@1 | 1431 | log.flush(); |
duke@1 | 1432 | try { |
duke@1 | 1433 | fileManager.flush(); |
duke@1 | 1434 | } catch (IOException e) { |
duke@1 | 1435 | throw new Abort(e); |
duke@1 | 1436 | } finally { |
duke@1 | 1437 | if (names != null && disposeNames) |
duke@1 | 1438 | names.dispose(); |
duke@1 | 1439 | names = null; |
duke@1 | 1440 | } |
duke@1 | 1441 | } |
duke@1 | 1442 | |
duke@1 | 1443 | /** Output for "-verbose" option. |
duke@1 | 1444 | * @param key The key to look up the correct internationalized string. |
duke@1 | 1445 | * @param arg An argument for substitution into the output string. |
duke@1 | 1446 | */ |
duke@1 | 1447 | protected void printVerbose(String key, Object arg) { |
duke@1 | 1448 | Log.printLines(log.noticeWriter, log.getLocalizedString("verbose." + key, arg)); |
duke@1 | 1449 | } |
duke@1 | 1450 | |
duke@1 | 1451 | /** Print numbers of errors and warnings. |
duke@1 | 1452 | */ |
duke@1 | 1453 | protected void printCount(String kind, int count) { |
duke@1 | 1454 | if (count != 0) { |
duke@1 | 1455 | String text; |
duke@1 | 1456 | if (count == 1) |
duke@1 | 1457 | text = log.getLocalizedString("count." + kind, String.valueOf(count)); |
duke@1 | 1458 | else |
duke@1 | 1459 | text = log.getLocalizedString("count." + kind + ".plural", String.valueOf(count)); |
duke@1 | 1460 | Log.printLines(log.errWriter, text); |
duke@1 | 1461 | log.errWriter.flush(); |
duke@1 | 1462 | } |
duke@1 | 1463 | } |
duke@1 | 1464 | |
duke@1 | 1465 | private static long now() { |
duke@1 | 1466 | return System.currentTimeMillis(); |
duke@1 | 1467 | } |
duke@1 | 1468 | |
duke@1 | 1469 | private static long elapsed(long then) { |
duke@1 | 1470 | return now() - then; |
duke@1 | 1471 | } |
duke@1 | 1472 | |
duke@1 | 1473 | public void initRound(JavaCompiler prev) { |
duke@1 | 1474 | keepComments = prev.keepComments; |
duke@1 | 1475 | start_msec = prev.start_msec; |
duke@1 | 1476 | hasBeenUsed = true; |
duke@1 | 1477 | } |
duke@1 | 1478 | |
duke@1 | 1479 | public static void enableLogging() { |
duke@1 | 1480 | Logger logger = Logger.getLogger(com.sun.tools.javac.Main.class.getPackage().getName()); |
duke@1 | 1481 | logger.setLevel(Level.ALL); |
duke@1 | 1482 | for (Handler h : logger.getParent().getHandlers()) { |
duke@1 | 1483 | h.setLevel(Level.ALL); |
duke@1 | 1484 | } |
duke@1 | 1485 | |
duke@1 | 1486 | } |
duke@1 | 1487 | } |