diff -r 475eb15dfdad -r f91144b7da75 src/share/classes/com/sun/tools/sjavac/Source.java
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/classes/com/sun/tools/sjavac/Source.java Mon Feb 04 18:08:53 2013 -0500
@@ -0,0 +1,400 @@
+/*
+ * 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.
+ *
+ *
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.
+ */
+public class Source implements Comparable {
+ // 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 sources, StringBuilder b) {
+ List sorted_sources = new ArrayList();
+ 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 suffixes,
+ List excludes, List includes,
+ List excludeFiles, List includeFiles,
+ Map foundFiles,
+ Map 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 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 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 suffixes, boolean allow_javas,
+ List excludeFiles, List includeFiles, boolean all,
+ Map foundFiles,
+ Map 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 suffixes,
+ List excludes, List includes,
+ List excludeFiles, List includeFiles, boolean all,
+ Map foundFiles,
+ Map 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);
+ }
+ }
+ }
+}