Tue, 10 Apr 2012 08:15:25 -0700
7074397: Build infrastructure changes (makefile re-write)
Summary: New makefiles transition, old and new living side by side for now.
Reviewed-by: ohair, jjg, dholmes, ohrstrom, erikj, ihse, tgranat, ykantser
Contributed-by: ohrstrom <fredrik.ohrstrom@oracle.com>, erikj <erik.joelsson@oracle.com>, ihse <magnus.ihse.bursie@oracle.com>, tgranat <torbjorn.granat@oracle.com>, ykantser <yekaterina.kantserova@oracle.com>
1 /*
2 * Copyright (c) 2010, 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
24 /*
25 * @test
26 * @bug 6968063 7127924
27 * @summary provide examples of code that generate diagnostics
28 * @build Example CheckExamples
29 * @run main/othervm CheckExamples
30 */
31 /*
32 * See CR 7127924 for info on why othervm is used.
33 */
35 import java.io.*;
36 import java.util.*;
38 /**
39 * Check invariants for a set of examples.
40 * -- each example should exactly declare the keys that will be generated when
41 * it is run.
42 * -- together, the examples should cover the set of resource keys in the
43 * compiler.properties bundle. A list of exceptions may be given in the
44 * not-yet.txt file. Entries on the not-yet.txt list should not be
45 * covered by examples.
46 * When new keys are added to the resource bundle, it is strongly recommended
47 * that corresponding new examples be added here, if at all practical, instead
48 * of simply and lazily being added to the not-yet.txt list.
49 */
50 public class CheckExamples {
51 /**
52 * Standard entry point.
53 */
54 public static void main(String... args) throws Exception {
55 new CheckExamples().run();
56 }
58 /**
59 * Run the test.
60 */
61 void run() throws Exception {
62 Set<Example> examples = getExamples();
64 Set<String> notYetList = getNotYetList();
65 Set<String> declaredKeys = new TreeSet<String>();
66 for (Example e: examples) {
67 Set<String> e_decl = e.getDeclaredKeys();
68 Set<String> e_actual = e.getActualKeys();
69 for (String k: e_decl) {
70 if (!e_actual.contains(k))
71 error("Example " + e + " declares key " + k + " but does not generate it");
72 }
73 for (String k: e_actual) {
74 if (!e_decl.contains(k))
75 error("Example " + e + " generates key " + k + " but does not declare it");
76 }
77 for (String k: e.getDeclaredKeys()) {
78 if (notYetList.contains(k))
79 error("Example " + e + " declares key " + k + " which is also on the \"not yet\" list");
80 declaredKeys.add(k);
81 }
82 }
84 ResourceBundle b =
85 ResourceBundle.getBundle("com.sun.tools.javac.resources.compiler");
86 Set<String> resourceKeys = new TreeSet<String>(b.keySet());
88 for (String dk: declaredKeys) {
89 if (!resourceKeys.contains(dk))
90 error("Key " + dk + " is declared in tests but is not a valid key in resource bundle");
91 }
93 for (String nk: notYetList) {
94 if (!resourceKeys.contains(nk))
95 error("Key " + nk + " is declared in not-yet list but is not a valid key in resource bundle");
96 }
98 for (String rk: resourceKeys) {
99 if (!declaredKeys.contains(rk) && !notYetList.contains(rk))
100 error("Key " + rk + " is declared in resource bundle but is not in tests or not-yet list");
101 }
103 System.err.println(examples.size() + " examples checked");
104 System.err.println(notYetList.size() + " keys on not-yet list");
106 Counts declaredCounts = new Counts(declaredKeys);
107 Counts resourceCounts = new Counts(resourceKeys);
108 List<String> rows = new ArrayList<String>(Arrays.asList(Counts.prefixes));
109 rows.add("other");
110 rows.add("total");
111 System.err.println();
112 System.err.println(String.format("%-14s %15s %15s %4s",
113 "prefix", "#keys in tests", "#keys in javac", "%"));
114 for (String p: rows) {
115 int d = declaredCounts.get(p);
116 int r = resourceCounts.get(p);
117 System.err.print(String.format("%-14s %15d %15d", p, d, r));
118 if (r != 0)
119 System.err.print(String.format(" %3d%%", (d * 100) / r));
120 System.err.println();
121 }
123 if (errors > 0)
124 throw new Exception(errors + " errors occurred.");
125 }
127 /**
128 * Get the complete set of examples to be checked.
129 */
130 Set<Example> getExamples() {
131 Set<Example> results = new TreeSet<Example>();
132 File testSrc = new File(System.getProperty("test.src"));
133 File examples = new File(testSrc, "examples");
134 for (File f: examples.listFiles()) {
135 if (isValidExample(f))
136 results.add(new Example(f));
137 }
138 return results;
139 }
141 boolean isValidExample(File f) {
142 return (f.isDirectory() && f.list().length > 0) ||
143 (f.isFile() && f.getName().endsWith(".java"));
144 }
146 /**
147 * Get the contents of the "not-yet" list.
148 */
149 Set<String> getNotYetList() {
150 Set<String> results = new TreeSet<String>();
151 File testSrc = new File(System.getProperty("test.src"));
152 File notYetList = new File(testSrc, "examples.not-yet.txt");
153 try {
154 String[] lines = read(notYetList).split("[\r\n]");
155 for (String line: lines) {
156 int hash = line.indexOf("#");
157 if (hash != -1)
158 line = line.substring(0, hash).trim();
159 if (line.matches("[A-Za-z0-9-_.]+"))
160 results.add(line);
161 }
162 } catch (IOException e) {
163 throw new Error(e);
164 }
165 return results;
166 }
168 /**
169 * Read the contents of a file.
170 */
171 String read(File f) throws IOException {
172 byte[] bytes = new byte[(int) f.length()];
173 DataInputStream in = new DataInputStream(new FileInputStream(f));
174 try {
175 in.readFully(bytes);
176 } finally {
177 in.close();
178 }
179 return new String(bytes);
180 }
182 /**
183 * Report an error.
184 */
185 void error(String msg) {
186 System.err.println("Error: " + msg);
187 errors++;
188 }
190 int errors;
192 static class Counts {
193 static String[] prefixes = {
194 "compiler.err.",
195 "compiler.warn.",
196 "compiler.note.",
197 "compiler.misc."
198 };
200 Counts(Set<String> keys) {
201 nextKey:
202 for (String k: keys) {
203 for (String p: prefixes) {
204 if (k.startsWith(p)) {
205 inc(p);
206 continue nextKey;
207 }
208 }
209 inc("other");
210 }
211 table.put("total", keys.size());
212 }
214 int get(String p) {
215 Integer i = table.get(p);
216 return (i == null ? 0 : i);
217 }
219 void inc(String p) {
220 Integer i = table.get(p);
221 table.put(p, (i == null ? 1 : i + 1));
222 }
224 Map<String,Integer> table = new HashMap<String,Integer>();
225 };
226 }