jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/apt/main/AptJavaCompiler.java@d346ab55031b (annotated)

src/share/classes/com/sun/tools/apt/main/AptJavaCompiler.java@d346ab55031b (annotated)

src/share/classes/com/sun/tools/apt/main/AptJavaCompiler.java

Mon, 24 Oct 2011 13:00:20 +0100

author: mcimadamore
date: Mon, 24 Oct 2011 13:00:20 +0100
changeset 1113: d346ab55031b
parent 909: 7798e3a5ecf5
permissions: -rw-r--r--

7096014: Javac tokens should retain state
Summary: Refactor javac tokens from enum constants to stateful instances (to keep track of position, comments, etc.)
Reviewed-by: jjg

 /*
  * Copyright (c) 2004, 2011, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Oracle in the LICENSE file that accompanied this code.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 package com.sun.tools.apt.main;
 import java.io.*;
 import java.util.Map;
 import javax.tools.JavaFileManager;
 import javax.tools.JavaFileObject;
 import com.sun.tools.javac.file.JavacFileManager;
 import com.sun.tools.javac.util.*;
 import com.sun.tools.javac.code.*;
 import com.sun.tools.javac.jvm.*;
 import com.sun.tools.javac.code.Symbol.*;
 import com.sun.tools.javac.tree.JCTree.*;
 import com.sun.tools.apt.comp.*;
 import com.sun.tools.apt.util.Bark;
 import com.sun.mirror.apt.AnnotationProcessorFactory;
 /**
  *  <p><b>This is NOT part of any supported API.
  *  If you write code that depends on this, you do so at your own
  *  risk.  This code and its internal interfaces are subject to change
  *  or deletion without notice.</b>
  */
 @SuppressWarnings("deprecation")
 public class AptJavaCompiler extends com.sun.tools.javac.main.JavaCompiler {
     /** The context key for the compiler. */
     protected static final Context.Key<AptJavaCompiler> compilerKey =
         new Context.Key<AptJavaCompiler>();
     /** Get the JavaCompiler instance for this context. */
     public static AptJavaCompiler instance(Context context) {
         AptJavaCompiler instance = context.get(compilerKey);
         if (instance == null)
             instance = new AptJavaCompiler(context);
         return instance;
     }
     java.util.Set<String> genSourceFileNames;
     java.util.Set<String> genClassFileNames;
     public java.util.Set<String> getSourceFileNames() {
         return genSourceFileNames;
     }
     /** List of names of generated class files.
      */
     public java.util.Set<String> getClassFileNames() {
         return genClassFileNames;
     }
     java.util.Set<java.io.File> aggregateGenFiles = java.util.Collections.emptySet();
     public java.util.Set<java.io.File> getAggregateGenFiles() {
         return aggregateGenFiles;
     }
     /** The bark to be used for error reporting.
      */
     Bark bark;
     /** The log to be used for error reporting.
      */
     Log log;
     /** The annotation framework
      */
     Apt apt;
     private static Context preRegister(Context context) {
         Bark.preRegister(context);
         if (context.get(JavaFileManager.class) == null)
             JavacFileManager.preRegister(context);
         return context;
     }
     /** Construct a new compiler from a shared context.
      */
     public AptJavaCompiler(Context context) {
         super(preRegister(context));
         context.put(compilerKey, this);
         apt = Apt.instance(context);
         ClassReader classReader = ClassReader.instance(context);
         classReader.preferSource = true;
         // TEMPORARY NOTE: bark==log, but while refactoring, we maintain their
         // original identities, to remember the original intent.
         log = Log.instance(context);
         bark = Bark.instance(context);
         Options options = Options.instance(context);
         classOutput   = options.get("-retrofit")      == null;
         nocompile     = options.get("-nocompile")     != null;
         print         = options.get("-print")         != null;
         classesAsDecls= options.get("-XclassesAsDecls") != null;
         genSourceFileNames = new java.util.LinkedHashSet<String>();
         genClassFileNames  = new java.util.LinkedHashSet<String>();
         // this forces a copy of the line map to be kept in the tree,
         // for use by com.sun.mirror.util.SourcePosition.
         lineDebugInfo = true;
     }
     /* Switches:
      */
     /** Emit class files. This switch is always set, except for the first
      *  phase of retrofitting, where signatures are parsed.
      */
     public boolean classOutput;
     /** The internal printing annotation processor should be used.
      */
     public boolean print;
     /** Compilation should not be done after annotation processing.
      */
     public boolean nocompile;
     /** Are class files being treated as declarations
      */
     public boolean classesAsDecls;
     /** Try to open input stream with given name.
      *  Report an error if this fails.
      *  @param filename   The file name of the input stream to be opened.
      */
     // PROVIDED FOR EXTREME BACKWARDS COMPATIBILITY
     // There are some very obscure errors that can arise while translating
     // the contents of a file from bytes to characters. In Tiger, these
     // diagnostics were ignored. This method provides compatibility with
     // that behavior. It would be better to honor those diagnostics, in which
     // case, this method can be deleted.
     @Override
     public CharSequence readSource(JavaFileObject filename) {
         try {
             inputFiles.add(filename);
             boolean prev = bark.setDiagnosticsIgnored(true);
             try {
                 return filename.getCharContent(false);
             }
             finally {
                 bark.setDiagnosticsIgnored(prev);
             }
         } catch (IOException e) {
             bark.error(Position.NOPOS, "cant.read.file", filename);
             return null;
         }
     }
     /** Parse contents of input stream.
      *  @param filename     The name of the file from which input stream comes.
      *  @param input        The input stream to be parsed.
      */
     // PROVIDED FOR BACKWARDS COMPATIBILITY
     // In Tiger, diagnostics from the scanner and parser were ignored.
     // This method provides compatibility with that behavior.
     // It would be better to honor those diagnostics, in which
     // case, this method can be deleted.
     @Override
     protected JCCompilationUnit parse(JavaFileObject filename, CharSequence content) {
         boolean prev = bark.setDiagnosticsIgnored(true);
         try {
             return super.parse(filename, content);
         }
         finally {
             bark.setDiagnosticsIgnored(prev);
         }
     }
     @Override
     protected boolean keepComments() {
         return true;  // make doc comments available to mirror API impl.
     }
     /** Track when the JavaCompiler has been used to compile something. */
     private boolean hasBeenUsed = false;
     /** Main method: compile a list of files, return all compiled classes
      *  @param filenames     The names of all files to be compiled.
      */
     public List<ClassSymbol> compile(List<String> filenames,
                                      Map<String, String> origOptions,
                                      ClassLoader aptCL,
                                      AnnotationProcessorFactory providedFactory,
                                      java.util.Set<Class<? extends AnnotationProcessorFactory> > productiveFactories,
                                      java.util.Set<java.io.File> aggregateGenFiles)
         throws Throwable {
         // as a JavaCompiler can only be used once, throw an exception if
         // it has been used before.
         assert !hasBeenUsed : "attempt to reuse JavaCompiler";
         hasBeenUsed = true;
         this.aggregateGenFiles = aggregateGenFiles;
         long msec = System.currentTimeMillis();
         ListBuffer<ClassSymbol> classes = new ListBuffer<ClassSymbol>();
         try {
             JavacFileManager fm = (JavacFileManager)fileManager;
             //parse all files
             ListBuffer<JCCompilationUnit> trees = new ListBuffer<JCCompilationUnit>();
             for (List<String> l = filenames; l.nonEmpty(); l = l.tail) {
                 if (classesAsDecls) {
                     if (! l.head.endsWith(".java") ) { // process as class file
                         ClassSymbol cs = reader.enterClass(names.fromString(l.head));
                         try {
                             cs.complete();
                         } catch(Symbol.CompletionFailure cf) {
                             bark.aptError("CantFindClass", l);
                             continue;
                         }
                         classes.append(cs); // add to list of classes
                         continue;
                     }
                 }
                 JavaFileObject fo = fm.getJavaFileObjectsFromStrings(List.of(l.head)).iterator().next();
                 trees.append(parse(fo));
             }
             //enter symbols for all files
             List<JCCompilationUnit> roots = trees.toList();
             if (errorCount() == 0) {
                 boolean prev = bark.setDiagnosticsIgnored(true);
                 try {
                     enter.main(roots);
                 }
                 finally {
                     bark.setDiagnosticsIgnored(prev);
                 }
             }
             if (errorCount() == 0) {
                 apt.main(roots,
                          classes,
                          origOptions, aptCL,
                          providedFactory,
                          productiveFactories);
                 genSourceFileNames.addAll(apt.getSourceFileNames());
                 genClassFileNames.addAll(apt.getClassFileNames());
             }
         } catch (Abort ex) {
         }
         if (verbose)
             log.printVerbose("total", Long.toString(System.currentTimeMillis() - msec));
         chk.reportDeferredDiagnostics();
         printCount("error", errorCount());
         printCount("warn", warningCount());
         return classes.toList();
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

src/share/classes/com/sun/tools/apt/main/AptJavaCompiler.java@d346ab55031b (annotated)

src/share/classes/com/sun/tools/apt/main/AptJavaCompiler.java