8004833: Integrate doclint support into javac

Reviewed-by: mcimadamore
This commit is contained in:
Jonathan Gibbons 2012-12-19 11:29:56 +00:00
parent 5cf1075de1
commit aee2457cd0
4 changed files with 291 additions and 14 deletions

View File

@ -44,6 +44,8 @@ import javax.tools.JavaFileObject;
import com.sun.source.util.JavacTask;
import com.sun.source.util.Plugin;
import com.sun.tools.doclint.DocLint;
import com.sun.tools.javac.api.BasicJavacTask;
import com.sun.tools.javac.code.Source;
import com.sun.tools.javac.file.CacheFSInfo;
import com.sun.tools.javac.file.JavacFileManager;
@ -428,6 +430,7 @@ public class Main {
if (batchMode)
CacheFSInfo.preRegister(context);
// FIXME: this code will not be invoked if using JavacTask.parse/analyze/generate
// invoke any available plugins
String plugins = options.get(PLUGIN);
if (plugins != null) {
@ -464,10 +467,31 @@ public class Main {
}
}
fileManager = context.get(JavaFileManager.class);
comp = JavaCompiler.instance(context);
if (comp == null) return Result.SYSERR;
// FIXME: this code will not be invoked if using JavacTask.parse/analyze/generate
String xdoclint = options.get(XDOCLINT);
String xdoclintCustom = options.get(XDOCLINT_CUSTOM);
if (xdoclint != null || xdoclintCustom != null) {
Set<String> doclintOpts = new LinkedHashSet<String>();
if (xdoclint != null)
doclintOpts.add(DocLint.XMSGS_OPTION);
if (xdoclintCustom != null) {
for (String s: xdoclintCustom.split("\\s+")) {
if (s.isEmpty())
continue;
doclintOpts.add(s.replace(XDOCLINT_CUSTOM.text, DocLint.XMSGS_CUSTOM_PREFIX));
}
}
if (!(doclintOpts.size() == 1
&& doclintOpts.iterator().next().equals(DocLint.XMSGS_CUSTOM_PREFIX + "none"))) {
JavacTask t = BasicJavacTask.instance(context);
new DocLint().init(t, doclintOpts.toArray(new String[doclintOpts.size()]));
comp.keepComments = true;
}
}
fileManager = context.get(JavaFileManager.class);
if (!files.isEmpty()) {
// add filenames to fileObjects

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@ -25,28 +25,30 @@
package com.sun.tools.javac.main;
import java.util.Collections;
import com.sun.tools.javac.util.Log.PrefixKind;
import com.sun.tools.javac.util.Log.WriterKind;
import com.sun.tools.javac.util.Log;
import com.sun.tools.javac.code.Lint;
import com.sun.tools.javac.code.Source;
import com.sun.tools.javac.code.Type;
import com.sun.tools.javac.jvm.Target;
import com.sun.tools.javac.util.Options;
import com.sun.tools.javac.processing.JavacProcessingEnvironment;
import java.io.File;
import java.io.FileWriter;
import java.io.PrintWriter;
import java.util.Collections;
import java.util.EnumSet;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Set;
import javax.lang.model.SourceVersion;
import com.sun.tools.doclint.DocLint;
import com.sun.tools.javac.code.Lint;
import com.sun.tools.javac.code.Source;
import com.sun.tools.javac.code.Type;
import com.sun.tools.javac.jvm.Target;
import com.sun.tools.javac.processing.JavacProcessingEnvironment;
import com.sun.tools.javac.util.Log;
import com.sun.tools.javac.util.Log.PrefixKind;
import com.sun.tools.javac.util.Log.WriterKind;
import com.sun.tools.javac.util.Options;
import static com.sun.tools.javac.main.Option.ChoiceKind.*;
import static com.sun.tools.javac.main.Option.OptionKind.*;
import static com.sun.tools.javac.main.Option.OptionGroup.*;
import static com.sun.tools.javac.main.Option.OptionKind.*;
/**
* Options for javac. The specific Option to handle a command-line option
@ -79,6 +81,24 @@ public enum Option {
XLINT_CUSTOM("-Xlint:", "opt.Xlint.suboptlist",
EXTENDED, BASIC, ANYOF, getXLintChoices()),
XDOCLINT("-Xdoclint", "opt.Xdoclint", EXTENDED, BASIC),
XDOCLINT_CUSTOM("-Xdoclint:", "opt.Xdoclint.subopts", "opt.Xdoclint.custom", EXTENDED, BASIC) {
@Override
public boolean matches(String option) {
return DocLint.isValidOption(
option.replace(XDOCLINT_CUSTOM.text, DocLint.XMSGS_CUSTOM_PREFIX));
}
@Override
public boolean process(OptionHelper helper, String option) {
String prev = helper.get(XDOCLINT_CUSTOM);
String next = (prev == null) ? option : (prev + " " + option);
helper.put(XDOCLINT_CUSTOM.text, next);
return false;
}
},
// -nowarn is retained for command-line backward compatibility
NOWARN("-nowarn", "opt.nowarn", STANDARD, BASIC) {
@Override

View File

@ -138,6 +138,14 @@ javac.opt.Xlint=\
Enable recommended warnings
javac.opt.Xlint.suboptlist=\
Enable or disable specific warnings
javac.opt.Xdoclint=\
Enable recommended checks for problems in javadoc comments
javac.opt.Xdoclint.subopts = \
(all|[-]<group>)[/<access>]
javac.opt.Xdoclint.custom=\n\
\ Enable or disable specific checks for problems in javadoc comments,\n\
\ where <group> is one of accessibility, html, reference, or syntax,\n\
\ and <access> is one of public, protected, package, or private.
javac.opt.Xstdout=\
Redirect standard output
javac.opt.X=\

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@ -0,0 +1,225 @@
/*
* 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.
*
* 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.
*/
/*
* @test
* @bug 8004833
* @summary Integrate doclint support into javac
*/
import java.io.File;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.net.URI;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import javax.tools.Diagnostic;
import javax.tools.JavaCompiler;
import javax.tools.JavaFileObject;
import javax.tools.SimpleJavaFileObject;
import javax.tools.StandardJavaFileManager;
import javax.tools.StandardLocation;
import javax.tools.ToolProvider;
import static javax.tools.Diagnostic.Kind.*;
import com.sun.source.util.JavacTask;
import com.sun.tools.javac.main.Main;
import java.util.EnumSet;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class DocLintTest {
public static void main(String... args) throws Exception {
new DocLintTest().run();
}
JavaCompiler javac;
StandardJavaFileManager fm;
JavaFileObject file;
final String code =
/* 01 */ "/** Class comment. */\n" +
/* 02 */ "public class Test {\n" +
/* 03 */ " /** Method comment. */\n" +
/* 04 */ " public void method() { }\n" +
/* 05 */ "\n" +
/* 06 */ " /** Syntax < error. */\n" +
/* 07 */ " private void syntaxError() { }\n" +
/* 08 */ "\n" +
/* 09 */ " /** @see DoesNotExist */\n" +
/* 10 */ " protected void referenceError() { }\n" +
/* 08 */ "\n" +
/* 09 */ " /** @return */\n" +
/* 10 */ " public int emptyReturn() { return 0; }\n" +
/* 11 */ "}\n";
final String rawDiags = "-XDrawDiagnostics";
private enum Message {
// doclint messages
DL_ERR6(ERROR, "Test.java:6:16: compiler.err.proc.messager: malformed HTML"),
DL_ERR9(ERROR, "Test.java:9:14: compiler.err.proc.messager: reference not found"),
DL_WRN12(WARNING, "Test.java:12:9: compiler.warn.proc.messager: no description for @return"),
OPT_BADARG(ERROR, "invalid flag: -Xdoclint:badarg");
final Diagnostic.Kind kind;
final String text;
static Message get(String text) {
for (Message m: values()) {
if (m.text.equals(text))
return m;
}
return null;
}
Message(Diagnostic.Kind kind, String text) {
this.kind = kind;
this.text = text;
}
@Override
public String toString() {
return "[" + kind + ",\"" + text + "\"]";
}
}
void run() throws Exception {
javac = ToolProvider.getSystemJavaCompiler();
fm = javac.getStandardFileManager(null, null, null);
fm.setLocation(StandardLocation.CLASS_OUTPUT, Arrays.asList(new File(".")));
file = new SimpleJavaFileObject(URI.create("Test.java"), JavaFileObject.Kind.SOURCE) {
@Override
public CharSequence getCharContent(boolean ignoreEncoding) {
return code;
}
};
test(Collections.<String>emptyList(),
Main.Result.OK,
EnumSet.noneOf(Message.class));
test(Arrays.asList("-Xdoclint:none"),
Main.Result.OK,
EnumSet.noneOf(Message.class));
test(Arrays.asList(rawDiags, "-Xdoclint"),
Main.Result.ERROR,
EnumSet.of(Message.DL_ERR6, Message.DL_ERR9, Message.DL_WRN12));
test(Arrays.asList(rawDiags, "-Xdoclint:all/public"),
Main.Result.OK,
EnumSet.of(Message.DL_WRN12));
test(Arrays.asList(rawDiags, "-Xdoclint:syntax"),
Main.Result.ERROR,
EnumSet.of(Message.DL_ERR6, Message.DL_WRN12));
test(Arrays.asList(rawDiags, "-Xdoclint:reference"),
Main.Result.ERROR,
EnumSet.of(Message.DL_ERR9));
test(Arrays.asList(rawDiags, "-Xdoclint:badarg"),
Main.Result.CMDERR,
EnumSet.of(Message.OPT_BADARG));
if (errors > 0)
throw new Exception(errors + " errors occurred");
}
void test(List<String> opts, Main.Result expectResult, Set<Message> expectMessages) {
System.err.println("test: " + opts);
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
List<JavaFileObject> files = Arrays.asList(file);
try {
JavacTask t = (JavacTask) javac.getTask(pw, fm, null, opts, null, files);
boolean ok = t.call();
pw.close();
String out = sw.toString().replaceAll("[\r\n]+", "\n");
if (!out.isEmpty())
System.err.println(out);
if (ok && expectResult != Main.Result.OK) {
error("Compilation succeeded unexpectedly");
} else if (!ok && expectResult != Main.Result.ERROR) {
error("Compilation failed unexpectedly");
} else
check(out, expectMessages);
} catch (IllegalArgumentException e) {
System.err.println(e);
String expectOut = expectMessages.iterator().next().text;
if (expectResult != Main.Result.CMDERR)
error("unexpected exception caught");
else if (!e.getMessage().equals(expectOut)) {
error("unexpected exception message: "
+ e.getMessage()
+ " expected: " + expectOut);
}
}
// if (errors > 0)
// throw new Error("stop");
}
private void check(String out, Set<Message> expect) {
Pattern stats = Pattern.compile("^([1-9]+) (error|warning)(s?)");
Set<Message> found = EnumSet.noneOf(Message.class);
int e = 0, w = 0;
if (!out.isEmpty()) {
for (String line: out.split("[\r\n]+")) {
Matcher s = stats.matcher(line);
if (s.matches()) {
int i = Integer.valueOf(s.group(1));
if (s.group(2).equals("error"))
e++;
else
w++;
continue;
}
Message m = Message.get(line);
if (m == null)
error("Unexpected line: " + line);
else
found.add(m);
}
}
for (Message m: expect) {
if (!found.contains(m))
error("expected message not found: " + m.text);
}
for (Message m: found) {
if (!expect.contains(m))
error("unexpected message found: " + m.text);
}
}
void error(String msg) {
System.err.println("Error: " + msg);
errors++;
}
int errors;
}