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/*
* 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.
*
* 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 6402516 8031569
* @summary need Trees.getScope(TreePath)
* @modules jdk.compiler/com.sun.tools.javac.api
* jdk.compiler/com.sun.tools.javac.comp
* jdk.compiler/com.sun.tools.javac.file
* jdk.compiler/com.sun.tools.javac.tree
* jdk.compiler/com.sun.tools.javac.util
* @build Checker CheckLocalElements
* @run main CheckLocalElements
*/
import java.io.IOException;
import java.util.*;
import java.util.regex.*;
import javax.lang.model.element.*;
import javax.lang.model.util.*;
import com.sun.source.tree.*;
import com.sun.source.util.*;
/*
* Check the local elements of a scope against the contents of string literals and top-level comment.
*/
public class CheckLocalElements extends Checker {
public static void main(String... args) throws Exception {
Checker chk = new CheckLocalElements();
chk.check("TestLocalElements.java");
}
@Override
protected boolean checkLocal(Scope s, String ref) {
Iterator<? extends Element> elemIter = s.getLocalElements().iterator();
ref = ref.trim();
String[] refs = ref.length() == 0 ? new String[0] : ref.split("[ ]*,[ ]*", -1);
Iterator<String> refIter = Arrays.asList(refs).iterator();
String r = null;
nextElem:
while (elemIter.hasNext()) {
Element e = elemIter.next();
try {
if (r == null)
r = refIter.next();
while (r.endsWith(".*")) {
String encl = getEnclosingName(e);
String rBase = r.substring(0, r.length() - 2);
if (encl.equals(rBase) || encl.startsWith(rBase + "."))
continue nextElem;
r = refIter.next();
}
if (r.equals("-") && (e.getSimpleName().length() == 0)
|| e.getSimpleName().toString().equals(r)) {
r = null;
continue nextElem;
}
error(s, ref, "mismatch: " + e.getSimpleName() + " " + r);
return false;
} catch (NoSuchElementException ex) { // from refIter.next()
error(s, null, "scope has unexpected entry: " + e.getSimpleName());
return false;
}
}
if (refIter.hasNext()) {
error(s, ref, "scope is missing entry: " + refIter.next());
return false;
}
return true;
}
@Override
void additionalChecks(Trees trees, CompilationUnitTree topLevel) throws IOException {
Matcher m = TOPLEVEL_SCOPE_DEF.matcher(topLevel.getSourceFile().getCharContent(false));
if (!m.find())
throw new AssertionError("Should have top-level scope def!");
check(trees.getScope(new TreePath(topLevel)), m.group(1));
}
//where:
Pattern TOPLEVEL_SCOPE_DEF = Pattern.compile("TOPLEVEL_SCOPE:(.*)");
private String getEnclosingName(Element e) {
Element encl = e.getEnclosingElement();
return encl == null ? "" : encl.accept(qualNameVisitor, null);
}
private ElementVisitor<String,Void> qualNameVisitor = new SimpleElementVisitor9<String,Void>() {
protected String defaultAction(Element e, Void ignore) {
return "";
}
public String visitPackage(PackageElement e, Void ignore) {
return e.getQualifiedName().toString();
}
public String visitType(TypeElement e, Void ignore) {
return e.getQualifiedName().toString();
}
};
}
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