1 /*
2 * Copyright (c) 2012-2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.tools.sjavac;
27
28 import java.io.PrintWriter;
29 import java.util.Arrays;
30 import java.util.List;
31 import java.util.LinkedList;
32 import java.util.Set;
33 import com.sun.tools.javac.file.ZipArchive.ZipFileObject;
34 import com.sun.tools.javac.file.ZipFileIndexArchive.ZipFileIndexFileObject;
35 import com.sun.tools.sjavac.options.Options;
36 import com.sun.tools.sjavac.comp.JavaCompilerWithDeps;
37
38 public class Compile {
39 // Setup a compiler context for finding classes in the classpath
40 // and to execute annotation processors.
41 com.sun.tools.javac.util.Context context;
42 javax.tools.JavaCompiler.CompilationTask task;
43
44 /**
45 * Setup a compilation context, used for reading public apis of classes on the classpath
46 * as well as annotation processors.
47 */
48 public Compile(Options options) {
49 com.sun.tools.javac.api.JavacTool compiler = com.sun.tools.javac.api.JavacTool.create();
50 javax.tools.StandardJavaFileManager fileManager = compiler.getStandardFileManager(null, null, null);
51 context = new com.sun.tools.javac.util.Context();
52 String[] args = options.prepJavacArgs();
53 task = compiler.getTask(new PrintWriter(System.err),
54 fileManager,
55 null, Arrays.asList(args),
56 null, null, context);
57 // Trigger a creation of the JavaCompiler, necessary to get a sourceCompleter for ClassFinder.
58 // The sourceCompleter is used for build situations where a classpath class references other classes
59 // that happens to be on the sourcepath.
60 com.sun.tools.javac.main.JavaCompiler.instance(context);
61 }
62
63 public String getClassLocInfo(String fn) {
64 try {
65 com.sun.tools.javac.code.ClassFinder cr = com.sun.tools.javac.code.ClassFinder.instance(context);
66 com.sun.tools.javac.util.Names ns = com.sun.tools.javac.util.Names.instance(context);
67 com.sun.tools.javac.util.Name n = ns.fromString(fn);
68 com.sun.tools.javac.code.Symbol.ClassSymbol cs = cr.loadClass(n);
69 return cs.classfile.toString()+" "+cs.classfile.getLastModified();
70 } catch (Exception e) {
71 e.printStackTrace(System.err);
72 }
73 return "";
74 }
75
76 /**
77 * Extract the pubapi for a class fn. If the class was fetched from an archive,
78 * store the archive in the set archives.
79 */
80 public List<String> getPubapi(String fn, Set<String> archives) {
81 try {
82 com.sun.tools.javac.code.ClassFinder cr = com.sun.tools.javac.code.ClassFinder.instance(context);
83 com.sun.tools.javac.util.Names ns = com.sun.tools.javac.util.Names.instance(context);
84 com.sun.tools.javac.util.Name n = ns.fromString(fn);
85 com.sun.tools.javac.code.Symbol.ClassSymbol cs = cr.loadClass(n);
86 if (cs.classfile instanceof ZipFileIndexFileObject) {
87 String s = cs.classfile.toString();
88 int p = s.indexOf('[');
89 int pp = s.indexOf('(', p+1);
90 archives.add(s.substring(p+1,pp));
91 }
92
93 List<String> api = new LinkedList<>();
94 if (cs.classfile != null) {
95 api = com.sun.tools.sjavac.comp.Dependencies.constructPubapi(cs,
96 cs.classfile.toString()+" "+cs.classfile.getLastModified());
97 }
98 else {
99 System.err.println("Classfile is null for "+fn);
100 }
101 return api;
102 } catch (Exception e) {
103 e.printStackTrace(System.err);
104 }
105 return new LinkedList<String>();
106 }
107 }