jdk8-mips64-public/langtools: make/tools/CompileProperties/CompilePropertiesTask.java@d766e40e49d6

6586091: javac crashes with StackOverflowError
Summary: Types.adapt should avoid infinite loops by exploiting a local cache
Reviewed-by: jjg

     1 /*

     2  * Copyright 2007 Sun Microsystems, Inc.  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.  Sun designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    22  * CA 95054 USA or visit www.sun.com if you need additional information or

    23  * have any questions.

    24  */

    26 import java.io.File;

    27 import java.util.ArrayList;

    28 import java.util.List;

    30 import org.apache.tools.ant.BuildException;

    31 import org.apache.tools.ant.DirectoryScanner;

    32 import org.apache.tools.ant.Project;

    33 import org.apache.tools.ant.taskdefs.MatchingTask;

    35 public class CompilePropertiesTask extends MatchingTask {

    36     public void setSrcDir(File srcDir) {

    37         this.srcDir = srcDir;

    38     }

    40     public void setDestDir(File destDir) {

    41         this.destDir = destDir;

    42     }

    44     public void setSuperclass(String superclass) {

    45         this.superclass = superclass;

    46     }

    48     public void execute() {

    49         CompileProperties.Log log = new CompileProperties.Log() {

    50             public void error(String msg, Exception e) {

    51                 log(msg, Project.MSG_ERR);

    52             }

    53             public void info(String msg) {

    54                 log(msg, Project.MSG_INFO);

    55             }

    56             public void verbose(String msg) {

    57                 log(msg, Project.MSG_VERBOSE);

    58             }

    59         };

    60         List<String> mainOpts = new ArrayList<String>();

    61         int count = 0;

    62         DirectoryScanner s = getDirectoryScanner(srcDir);

    63         for (String path: s.getIncludedFiles()) {

    64             if (path.endsWith(".properties")) {

    65                 String destPath =

    66                         path.substring(0, path.length() - ".properties".length()) +

    67                         ".java";

    68                 File srcFile = new File(srcDir, path);

    69                 File destFile = new File(destDir, destPath);

    70                 // Arguably, the comparison in the next line should be ">", not ">="

    71                 // but that assumes the resolution of the last modified time is fine

    72                 // grained enough; in practice, it is better to use ">=".

    73                 if (destFile.exists() && destFile.lastModified() >= srcFile.lastModified())

    74                     continue;

    75                 destFile.getParentFile().mkdirs();

    76                 mainOpts.add("-compile");

    77                 mainOpts.add(srcFile.getPath());

    78                 mainOpts.add(destFile.getPath());

    79                 mainOpts.add(superclass);

    80                 count++;

    81             }

    82         }

    83         if (mainOpts.size() > 0) {

    84             log("Generating " + count + " resource files to " + destDir, Project.MSG_INFO);

    85             CompileProperties cp = new CompileProperties();

    86             cp.setLog(log);

    87             boolean ok = cp.run((String[])mainOpts.toArray(new String[mainOpts.size()]));

    88             if (!ok)

    89                 throw new BuildException("CompileProperties failed.");

    90         }

    91     }

    93     private File srcDir;

    94     private File destDir;

    95     private String superclass = "java.util.ListResourceBundle";

    96 }

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