Examples with BaseFileManager com.sun.tools.javac.file.BaseFileManager used on opensource projects

Example 1 with BaseFileManager

use of com.sun.tools.javac.file.BaseFileManager in project lombok by rzwitserloot.

the class Delombok method delombok.

public boolean delombok() throws IOException {
    LombokOptions options = LombokOptionsFactory.getDelombokOptions(context);
    options.deleteLombokAnnotations();
    options.putJavacOption("ENCODING", charset.name());
    if (classpath != null)
        options.putJavacOption("CLASSPATH", unpackClasspath(classpath));
    if (sourcepath != null)
        options.putJavacOption("SOURCEPATH", sourcepath);
    if (bootclasspath != null)
        options.putJavacOption("BOOTCLASSPATH", unpackClasspath(bootclasspath));
    options.setFormatPreferences(new FormatPreferences(formatPrefs));
    options.put("compilePolicy", "check");
    if (Javac.getJavaCompilerVersion() >= 9) {
        Arguments args = Arguments.instance(context);
        List<String> argsList = new ArrayList<String>();
        if (classpath != null) {
            argsList.add("--class-path");
            argsList.add(options.get("--class-path"));
        }
        if (sourcepath != null) {
            argsList.add("--source-path");
            argsList.add(options.get("--source-path"));
        }
        if (bootclasspath != null) {
            argsList.add("--boot-class-path");
            argsList.add(options.get("--boot-class-path"));
        }
        if (charset != null) {
            argsList.add("-encoding");
            argsList.add(charset.name());
        }
        String pathToSelfJar = getPathOfSelf();
        if (pathToSelfJar != null) {
            argsList.add("--module-path");
            argsList.add((modulepath == null || modulepath.isEmpty()) ? pathToSelfJar : (pathToSelfJar + File.pathSeparator + modulepath));
        } else if (modulepath != null && !modulepath.isEmpty()) {
            argsList.add("--module-path");
            argsList.add(modulepath);
        }
        if (!disablePreview && Javac.getJavaCompilerVersion() >= 11)
            argsList.add("--enable-preview");
        if (Javac.getJavaCompilerVersion() < 15) {
            String[] argv = argsList.toArray(new String[0]);
            args.init("javac", argv);
        } else {
            args.init("javac", argsList);
        }
        options.put("diags.legacy", "TRUE");
        options.put("allowStringFolding", "FALSE");
    } else {
        if (modulepath != null && !modulepath.isEmpty())
            throw new IllegalStateException("DELOMBOK: Option --module-path requires usage of JDK9 or higher.");
    }
    CommentCatcher catcher = CommentCatcher.create(context, Javac.getJavaCompilerVersion() >= 13);
    JavaCompiler compiler = catcher.getCompiler();
    List<JCCompilationUnit> roots = new ArrayList<JCCompilationUnit>();
    Map<JCCompilationUnit, File> baseMap = new IdentityHashMap<JCCompilationUnit, File>();
    Set<AbstractProcessor> processors = new LinkedHashSet<AbstractProcessor>();
    processors.add(new lombok.javac.apt.LombokProcessor());
    processors.addAll(additionalAnnotationProcessors);
    if (Javac.getJavaCompilerVersion() >= 9) {
        JavaFileManager jfm_ = context.get(JavaFileManager.class);
        if (jfm_ instanceof BaseFileManager) {
            Arguments args = Arguments.instance(context);
            // reinit with options
            ((BaseFileManager) jfm_).setContext(context);
            ((BaseFileManager) jfm_).handleOptions(args.getDeferredFileManagerOptions());
        }
    }
    if (Javac.getJavaCompilerVersion() < 9) {
        compiler.initProcessAnnotations(processors);
    } else {
        compiler.initProcessAnnotations(processors, Collections.<JavaFileObject>emptySet(), Collections.<String>emptySet());
    }
    Object unnamedModule = null;
    if (Javac.getJavaCompilerVersion() >= 9)
        unnamedModule = Symtab.instance(context).unnamedModule;
    for (File fileToParse : filesToParse) {
        JCCompilationUnit unit = compiler.parse(fileToParse.getAbsolutePath());
        if (Javac.getJavaCompilerVersion() >= 9)
            try {
                MODULE_FIELD.set(unit, unnamedModule);
            } catch (IllegalAccessException e) {
                throw new RuntimeException(e);
            }
        baseMap.put(unit, fileToBase.get(fileToParse));
        roots.add(unit);
    }
    if (compiler.errorCount() > 0) {
        // At least one parse error. No point continuing (a real javac run doesn't either).
        return false;
    }
    for (JCCompilationUnit unit : roots) {
        catcher.setComments(unit, new DocCommentIntegrator().integrate(catcher.getComments(unit), unit));
    }
    if (Javac.getJavaCompilerVersion() >= 9) {
        compiler.initModules(com.sun.tools.javac.util.List.from(roots.toArray(new JCCompilationUnit[0])));
    }
    com.sun.tools.javac.util.List<JCCompilationUnit> trees = compiler.enterTrees(toJavacList(roots));
    JavaCompiler delegate;
    if (Javac.getJavaCompilerVersion() < 9) {
        delegate = compiler.processAnnotations(trees, com.sun.tools.javac.util.List.<String>nil());
    } else {
        delegate = compiler;
        Collection<String> c = com.sun.tools.javac.util.List.nil();
        compiler.processAnnotations(trees, c);
    }
    Object care = callAttributeMethodOnJavaCompiler(delegate, delegate.todo);
    callFlowMethodOnJavaCompiler(delegate, care);
    FormatPreferences fps = new FormatPreferences(formatPrefs);
    for (JCCompilationUnit unit : roots) {
        DelombokResult result = new DelombokResult(catcher.getComments(unit), catcher.getTextBlockStarts(unit), unit, force || options.isChanged(unit), fps);
        if (onlyChanged && !result.isChanged() && !options.isChanged(unit)) {
            if (verbose)
                feedback.printf("File: %s [%s]\n", unit.sourcefile.getName(), "unchanged (skipped)");
            continue;
        }
        ListBuffer<JCTree> newDefs = new ListBuffer<JCTree>();
        for (JCTree def : unit.defs) {
            if (def instanceof JCImport) {
                Boolean b = JavacAugments.JCImport_deletable.get((JCImport) def);
                if (b == null || !b.booleanValue())
                    newDefs.append(def);
            } else {
                newDefs.append(def);
            }
        }
        unit.defs = newDefs.toList();
        if (verbose)
            feedback.printf("File: %s [%s%s]\n", unit.sourcefile.getName(), result.isChanged() ? "delomboked" : "unchanged", force && !options.isChanged(unit) ? " (forced)" : "");
        Writer rawWriter;
        if (presetWriter != null)
            rawWriter = createUnicodeEscapeWriter(presetWriter);
        else if (output == null)
            rawWriter = createStandardOutWriter();
        else
            rawWriter = createFileWriter(output, baseMap.get(unit), unit.sourcefile.toUri());
        BufferedWriter writer = new BufferedWriter(rawWriter);
        try {
            result.print(writer);
        } finally {
            if (output != null) {
                writer.close();
            } else {
                writer.flush();
            }
        }
    }
    delegate.close();
    return true;
}