jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/sjavac/Source.java@fbb6e470079d (annotated)

src/share/classes/com/sun/tools/sjavac/Source.java@fbb6e470079d (annotated)

src/share/classes/com/sun/tools/sjavac/Source.java

Mon, 11 Mar 2013 19:03:35 -0700

author: ohrstrom
date: Mon, 11 Mar 2013 19:03:35 -0700
changeset 1625: fbb6e470079d
parent 1504: 22e417cdddee
child 2227: 998b10c43157
permissions: -rw-r--r--

8009843: sjavac should accept -cp as synonym for -classpath
Reviewed-by: jjg

 /*
  * Copyright (c) 2012, 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.sjavac;
 import java.io.File;
 import java.util.Set;
 import java.util.Collections;
 import java.util.List;
 import java.util.ArrayList;
 import java.util.Map;
 /** A Source object maintains information about a source file.
  * For example which package it belongs to and kind of source it is.
  * The class also knows how to find source files (scanRoot) given include/exclude
  * patterns and a root.
  *
  * <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></p>
  */
 public class Source implements Comparable<Source> {
     // The package the source belongs to.
    private Package pkg;
     // Name of this source file, relative its source root.
     // For example: java/lang/Object.java
     // Or if the source file is inside a module:
     // jdk.base/java/lang/Object.java
     private String name;
     // What kind of file is this.
     private String suffix;
     // When this source file was last_modified
     private long lastModified;
     // The source File.
     private File file;
     // The source root under which file resides.
     private File root;
     // If the source is generated.
     private boolean isGenerated;
     // If the source is only linked to, not compiled.
     private boolean linkedOnly;
     @Override
     public boolean equals(Object o) {
         return (o instanceof Source) && name.equals(((Source)o).name);
     }
     @Override
     public int compareTo(Source o) {
         return name.compareTo(o.name);
     }
     @Override
     public int hashCode() {
         return name.hashCode();
     }
     public Source(Module m, String n, File f, File r) {
         name = n;
         int dp = n.lastIndexOf(".");
         if (dp != -1) {
             suffix = n.substring(dp);
         } else {
             suffix = "";
         }
         file = f;
         root = r;
         lastModified = f.lastModified();
         linkedOnly = false;
     }
     public Source(Package p, String n, long lm) {
         pkg = p;
         name = n;
         int dp = n.lastIndexOf(".");
         if (dp != -1) {
             suffix = n.substring(dp);
         } else {
             suffix = "";
         }
         file = null;
         root = null;
         lastModified = lm;
         linkedOnly = false;
         int ls = n.lastIndexOf('/');
     }
     public String name() { return name; }
     public String suffix() { return suffix; }
     public Package pkg() { return pkg; }
     public File   file() { return file; }
     public File   root() { return root; }
     public long lastModified() {
         return lastModified;
     }
     public void setPackage(Package p) {
         pkg = p;
     }
     public void markAsGenerated() {
         isGenerated = true;
     }
     public boolean isGenerated() {
         return isGenerated;
     }
     public void markAsLinkedOnly() {
         linkedOnly = true;
     }
     public boolean isLinkedOnly() {
         return linkedOnly;
     }
     private void save(StringBuilder b) {
         String CL = linkedOnly?"L":"C";
         String GS = isGenerated?"G":"S";
         b.append(GS+" "+CL+" "+name+" "+file.lastModified()+"\n");
     }
     // Parse a line that looks like this:
     // S C /code/alfa/A.java 1357631228000
     static public Source load(Package lastPackage, String l, boolean isGenerated) {
         int sp = l.indexOf(' ',4);
         if (sp == -1) return null;
         String name = l.substring(4,sp);
         long last_modified = Long.parseLong(l.substring(sp+1));
         boolean isLinkedOnly = false;
         if (l.charAt(2) == 'L') {
             isLinkedOnly = true;
         } else if (l.charAt(2) == 'C') {
             isLinkedOnly = false;
         } else return null;
         Source s = new Source(lastPackage, name, last_modified);
         s.file = new File(name);
         if (isGenerated) s.markAsGenerated();
         if (isLinkedOnly) s.markAsLinkedOnly();
         return s;
     }
     public static void saveSources(Map<String,Source> sources, StringBuilder b) {
         List<String> sorted_sources = new ArrayList<String>();
         for (String key : sources.keySet()) {
             sorted_sources.add(key);
         }
         Collections.sort(sorted_sources);
         for (String key : sorted_sources) {
             Source s = sources.get(key);
             s.save(b);
         }
     }
     /**
      * Recurse into the directory root and find all files matchine the excl/incl/exclfiles/inclfiles rules.
      * Detects the existence of module-info.java files and presumes that the directory it resides in
      * is the name of the current module.
      */
     static public void scanRoot(File root,
                                 Set<String> suffixes,
                                 List<String> excludes, List<String> includes,
                                 List<String> excludeFiles, List<String> includeFiles,
                                 Map<String,Source> foundFiles,
                                 Map<String,Module> foundModules,
                                 Module currentModule,
                                 boolean permitSourcesWithoutPackage,
                                 boolean inGensrc,
                                 boolean inLinksrc)
         throws ProblemException {
         if (root == null) return;
         int root_prefix = root.getPath().length()+1;
         // This is the root source directory, it must not contain any Java sources files
         // because we do not allow Java source files without a package.
         // (Unless of course --permit-sources-without-package has been specified.)
         // It might contain other source files however, (for -tr and -copy) these will
         // always be included, since no package pattern can match the root directory.
         currentModule = addFilesInDir(root, root_prefix, root, suffixes, permitSourcesWithoutPackage,
                                        excludeFiles, includeFiles, false,
                                        foundFiles, foundModules, currentModule,
                                        inGensrc, inLinksrc);
         File[] dirfiles = root.listFiles();
         for (File d : dirfiles) {
             if (d.isDirectory()) {
                 // Descend into the directory structure.
                 scanDirectory(d, root_prefix, root, suffixes,
                               excludes, includes, excludeFiles, includeFiles,
                               false, foundFiles, foundModules, currentModule, inGensrc, inLinksrc);
             }
         }
     }
     /**
      * Test if a path matches any of the patterns given.
      * The pattern foo.bar matches only foo.bar
      * The pattern foo.* matches foo.bar and foo.bar.zoo etc
      */
     static private boolean hasMatch(String path, List<String> patterns) {
         for (String p : patterns) {
             // Exact match
             if (p.equals(path)) {
                 return true;
             }
             // Single dot the end matches this package and all its subpackages.
             if (p.endsWith(".*")) {
                 // Remove the wildcard
                 String patprefix = p.substring(0,p.length()-2);
                 // Does the path start with the pattern prefix?
                 if (path.startsWith(patprefix)) {
                     // If the path has the same length as the pattern prefix, then it is a match.
                     // If the path is longer, then make sure that
                     // the next part of the path starts with a dot (.) to prevent
                     // wildcard matching in the middle of a package name.
                     if (path.length()==patprefix.length() || path.charAt(patprefix.length())=='.') {
                         return true;
                     }
                 }
             }
         }
         return false;
     }
     /**
      * Matches patterns with the asterisk first. */
      // The pattern foo/bar.java only matches foo/bar.java
      // The pattern */bar.java matches foo/bar.java and zoo/bar.java etc
     static private boolean hasFileMatch(String path, List<String> patterns) {
         path = Util.normalizeDriveLetter(path);
         for (String p : patterns) {
             // Exact match
             if (p.equals(path)) {
                 return true;
             }
             // Single dot the end matches this package and all its subpackages.
             if (p.startsWith("*")) {
                 // Remove the wildcard
                 String patsuffix = p.substring(1);
                 // Does the path start with the pattern prefix?
                 if (path.endsWith(patsuffix)) {
                     return true;
                 }
             }
         }
         return false;
     }
     /**
      * Add the files in the directory, assuming that the file has not been excluded.
      * Returns a fresh Module object, if this was a dir with a module-info.java file.
      */
     static private Module addFilesInDir(File dir, int rootPrefix, File root,
                                         Set<String> suffixes, boolean allow_javas,
                                         List<String> excludeFiles, List<String> includeFiles, boolean all,
                                         Map<String,Source> foundFiles,
                                         Map<String,Module> foundModules,
                                         Module currentModule,
                                         boolean inGensrc,
                                         boolean inLinksrc)
         throws ProblemException
     {
         for (File f : dir.listFiles()) {
             if (f.isFile()) {
                 boolean should_add =
                     (excludeFiles == null || excludeFiles.isEmpty() || !hasFileMatch(f.getPath(), excludeFiles))
                     && (includeFiles == null || includeFiles.isEmpty() || hasFileMatch(f.getPath(), includeFiles));
                 if (should_add) {
                     if (!allow_javas && f.getName().endsWith(".java")) {
                         throw new ProblemException("No .java files are allowed in the source root "+dir.getPath()+
                                                    ", please remove "+f.getName());
                     }
                     // Extract the file name relative the root.
                     String fn = f.getPath().substring(rootPrefix);
                     // Extract the package name.
                     int sp = fn.lastIndexOf(File.separatorChar);
                     String pkg = "";
                     if (sp != -1) {
                         pkg = fn.substring(0,sp).replace(File.separatorChar,'.');
                     }
                     // Is this a module-info.java file?
                     if (fn.endsWith("module-info.java")) {
                         // Aha! We have recursed into a module!
                         if (!currentModule.name().equals("")) {
                             throw new ProblemException("You have an extra module-info.java inside a module! Please remove "+fn);
                         }
                         String module_name = fn.substring(0,fn.length()-16);
                         currentModule = new Module(module_name, f.getPath());
                         foundModules.put(module_name, currentModule);
                     }
                     // Extract the suffix.
                     int dp = fn.lastIndexOf(".");
                     String suffix = "";
                     if (dp > 0) {
                         suffix = fn.substring(dp);
                     }
                     // Should the file be added?
                     if (all || suffixes.contains(suffix)) {
                         Source of = foundFiles.get(f.getPath());
                         if (of != null) {
                             throw new ProblemException("You have already added the file "+fn+" from "+of.file().getPath());
                         }
                         of = currentModule.lookupSource(f.getPath());
                         if (of != null) {
                             // Oups, the source is already added, could be ok, could be not, lets check.
                             if (inLinksrc) {
                                 // So we are collecting sources for linking only.
                                 if (of.isLinkedOnly()) {
                                     // Ouch, this one is also for linking only. Bad.
                                     throw new ProblemException("You have already added the link only file "+fn+" from "+of.file().getPath());
                                 }
                                 // Ok, the existing source is to be compiled. Thus this link only is redundant
                                 // since all compiled are also linked to. Continue to the next source.
                                 // But we need to add the source, so that it will be visible to linking,
                                 // if not the multi core compile will fail because a JavaCompiler cannot
                                 // find the necessary dependencies for its part of the source.
                                 foundFiles.put(f.getPath(), of);
                                 continue;
                             } else {
                                 // We are looking for sources to compile, if we find an existing to be compiled
                                 // source with the same name, it is an internal error, since we must
                                 // find the sources to be compiled before we find the sources to be linked to.
                                 throw new ProblemException("Internal error: Double add of file "+fn+" from "+of.file().getPath());
                             }
                         }
                         Source s = new Source(currentModule, f.getPath(), f, root);
                         if (inGensrc) s.markAsGenerated();
                         if (inLinksrc) {
                             s.markAsLinkedOnly();
                         }
                         pkg = currentModule.name()+":"+pkg;
                         foundFiles.put(f.getPath(), s);
                         currentModule.addSource(pkg, s);
                     }
                 }
             }
         }
         return currentModule;
     }
     private static boolean gurka = false;
     static private void scanDirectory(File dir, int rootPrefix, File root,
                                       Set<String> suffixes,
                                       List<String> excludes, List<String> includes,
                                       List<String> excludeFiles, List<String> includeFiles, boolean all,
                                       Map<String,Source> foundFiles,
                                       Map<String,Module> foundModules,
                                       Module currentModule, boolean inGensrc, boolean inLinksrc)
         throws ProblemException {
         String pkg_name = "";
         // Remove the root prefix from the dir path, and replace file separator with dots
         // to get the package name.
         if (dir.getPath().length() > rootPrefix) {
             pkg_name = dir.getPath().substring(rootPrefix).replace(File.separatorChar,'.');
         }
         // Should this package directory be included and not excluded?
         if (all || ((includes==null || includes.isEmpty() || hasMatch(pkg_name, includes)) &&
                     (excludes==null || excludes.isEmpty() || !hasMatch(pkg_name, excludes)))) {
             // Add the source files.
             currentModule = addFilesInDir(dir, rootPrefix, root, suffixes, true, excludeFiles, includeFiles, all,
                                           foundFiles, foundModules, currentModule, inGensrc, inLinksrc);
         }
         for (File d : dir.listFiles()) {
             if (d.isDirectory()) {
                 // Descend into the directory structure.
                 scanDirectory(d, rootPrefix, root, suffixes,
                               excludes, includes, excludeFiles, includeFiles, all,
                               foundFiles, foundModules, currentModule, inGensrc, inLinksrc);
             }
         }
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

src/share/classes/com/sun/tools/sjavac/Source.java@fbb6e470079d (annotated)

src/share/classes/com/sun/tools/sjavac/Source.java