/*
* Copyright ( c ) 2006 , 2015 , 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 .
*
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*/
/*
* @ test
* @ bug 6440583
* @ summary better error recovery
* @ modules jdk . compiler / com . sun . tools . javac . api
* jdk . compiler / com . sun . tools . javac . file
* jdk . compiler / com . sun . tools . javac . tree
* jdk . compiler / com . sun . tools . javac . util
*/
import java.io.*;
import java.util.*;
import javax.tools.*;
import com.sun.source.tree.*;
import com.sun.source.util.*;
import com.sun.tools.javac.api.*;
import com.sun.tools.javac.tree.JCTree.*;
public class T6440583 {
public static void main(String... args) throws Exception {
String testSrc = System.getProperty("test.src" , "." );
String testClasses = System.getProperty("test.classes" , "." );
JavacTool tool = JavacTool.create();
try (StandardJavaFileManager fm = tool.getStandardFileManager(null , null , null )) {
Iterable<? extends JavaFileObject> files =
fm.getJavaFileObjectsFromFiles(Arrays.asList(new File(testSrc, "A.java" )));
JavacTask task = tool.getTask(null , fm, null , null , null , files);
Iterable<? extends Tree> trees = task.parse();
TreeScanner<Boolean ,Void > checker = new TreeScanner<Boolean ,Void >() {
public Boolean visitErroneous(ErroneousTree tree, Void ignore) {
JCErroneous etree = (JCErroneous) tree;
List<? extends Tree> errs = etree.getErrorTrees();
System.err.println("errs: " + errs);
if (errs == null || errs.size() == 0 )
throw new AssertionError("no error trees found" );
found = true ;
return true ;
}
};
for (Tree tree: trees)
checker.scan(tree, null );
if (!found)
throw new AssertionError("no ErroneousTree nodes found" );
}
}
private static boolean found;
}
Messung V0.5 in Prozent C=91 H=91 G=90
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-06-10)
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