1 /*
2 * Copyright (c) 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 package com.sun.tools.sjavac.comp;
26
27 import java.io.File;
28 import java.io.IOException;
29 import java.io.PrintWriter;
30 import java.io.StringWriter;
31 import java.net.URI;
32 import java.util.Arrays;
33 import java.util.List;
34 import java.util.Set;
35
36 import javax.tools.JavaFileObject;
37 import javax.tools.StandardJavaFileManager;
38 import javax.tools.ToolProvider;
39
40 import com.sun.tools.javac.api.JavacTaskImpl;
41 import com.sun.tools.javac.api.JavacTool;
42 import com.sun.tools.javac.util.Context;
43 import com.sun.tools.javac.util.ListBuffer;
44 import com.sun.tools.javac.util.Options;
45 import com.sun.tools.sjavac.Log;
46 import com.sun.tools.sjavac.Util;
47 import com.sun.tools.sjavac.comp.dependencies.DependencyCollector;
48 import com.sun.tools.sjavac.comp.dependencies.PublicApiCollector;
49 import com.sun.tools.sjavac.server.CompilationResult;
50 import com.sun.tools.sjavac.server.Sjavac;
51 import com.sun.tools.sjavac.server.SysInfo;
52
53 /**
54 * The sjavac implementation that interacts with javac and performs the actual
55 * compilation.
56 *
57 * <p><b>This is NOT part of any supported API.
58 * If you write code that depends on this, you do so at your own risk.
59 * This code and its internal interfaces are subject to change or
60 * deletion without notice.</b>
61 */
62 public class SjavacImpl implements Sjavac {
63 static Object lock = new Object();
64 @Override
65 public SysInfo getSysInfo() {
66 return new SysInfo(Runtime.getRuntime().availableProcessors(),
67 Runtime.getRuntime().maxMemory());
68 }
69
70 @Override
71 public CompilationResult compile(String protocolId,
72 String invocationId,
73 String[] args,
74 List<File> explicitSources,
75 Set<URI> sourcesToCompile,
76 Set<URI> visibleSources) {
77
78 JavacTool compiler = (JavacTool) ToolProvider.getSystemJavaCompiler();
79 try (StandardJavaFileManager fm = compiler.getStandardFileManager(null, null, null)) {
80 SmartFileManager sfm = new SmartFileManager(fm);
81 Context context = new Context();
82
83 // Now setup the actual compilation
84 CompilationResult compilationResult = new CompilationResult(0);
85
86 // First deal with explicit source files on cmdline and in at file
87 ListBuffer<JavaFileObject> explicitJFOs = new ListBuffer<>();
88 for (JavaFileObject i : fm.getJavaFileObjectsFromFiles(explicitSources)) {
89 explicitJFOs.append(i);
90 }
91 // Now deal with sources supplied as source_to_compile
92 ListBuffer<File> sourcesToCompileFiles = new ListBuffer<>();
93 for (URI u : sourcesToCompile)
94 sourcesToCompileFiles.append(new File(u));
95
96 for (JavaFileObject i : fm.getJavaFileObjectsFromFiles(sourcesToCompileFiles))
97 explicitJFOs.append(i);
98
99 // Create a new logger
100 StringWriter stdoutLog = new StringWriter();
101 StringWriter stderrLog = new StringWriter();
102 PrintWriter stdout = new PrintWriter(stdoutLog);
103 PrintWriter stderr = new PrintWriter(stderrLog);
104 com.sun.tools.javac.main.Main.Result rc = com.sun.tools.javac.main.Main.Result.OK;
105 DependencyCollector depsCollector = new DependencyCollector(context);
106 PublicApiCollector pubApiCollector = new PublicApiCollector(context);
107 PathAndPackageVerifier papVerifier = new PathAndPackageVerifier();
108 try {
109 if (explicitJFOs.size() > 0) {
110 sfm.setVisibleSources(visibleSources);
111 sfm.cleanArtifacts();
112 sfm.setLog(stdout);
113
114 // Do the compilation!
115 JavacTaskImpl task =
116 (JavacTaskImpl) compiler.getTask(stderr,
117 sfm,
118 null,
119 Arrays.asList(args),
120 null,
121 explicitJFOs,
122 context);
123 sfm.setSymbolFileEnabled(!Options.instance(context).isSet("ignore.symbol.file"));
124 task.addTaskListener(depsCollector);
125 task.addTaskListener(pubApiCollector);
126 task.addTaskListener(papVerifier);
127 Log.debug("Invoking javac with args");
128 Arrays.asList(args).forEach(arg -> Log.debug(" " + arg));
129 rc = task.doCall();
130 Log.debug("javac returned with code " + rc);
131 sfm.flush();
132 }
133 } catch (Exception e) {
134 Log.error(Util.getStackTrace(e));
135 stderrLog.append(Util.getStackTrace(e));
136 rc = com.sun.tools.javac.main.Main.Result.ERROR;
137 }
138
139 compilationResult.packageArtifacts = sfm.getPackageArtifacts();
140
141 if (papVerifier.errorsDiscovered())
142 rc = com.sun.tools.javac.main.Main.Result.ERROR;
143
144 Dependencies deps = Dependencies.instance(context);
145 compilationResult.packageDependencies = deps.getDependencies(explicitJFOs);
146 compilationResult.packageCpDependencies = deps.getCpDependencies(explicitJFOs);
147 compilationResult.packagePubapis = deps.getPubapis(explicitJFOs, true);
148 compilationResult.dependencyPubapis = deps.getPubapis(explicitJFOs, false);
149 compilationResult.stdout = stdoutLog.toString();
150 compilationResult.stderr = stderrLog.toString();
151 compilationResult.returnCode = rc.exitCode;
152
153 return compilationResult;
154 } catch (IOException e) {
155 throw new Error(e);
156 }
157 }
158
159 @Override
160 public void shutdown() {
161 // Nothing to clean up
162 // ... maybe we should wait for any current request to finish?
163 }
164
165
166 @Override
167 public String serverSettings() {
168 return "";
169 }
170
171 }