# HG changeset patch # User sdama # Date 1527402616 -19800 # Node ID a8e77041c69fd7e0316519fb62e6e6459eb685f2 # Parent f84ae8aa5d889a30b42d6969ea83d9609733af7e 8202178: type.getKind() for var is None instead of Error Summary: make sure var kind != None for instance variables without initialization Reviewed-by: mcimadamore diff -r f84ae8aa5d88 -r a8e77041c69f src/jdk.compiler/share/classes/com/sun/tools/javac/comp/MemberEnter.java --- a/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/MemberEnter.java Sat May 26 03:11:50 2018 -0400 +++ b/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/MemberEnter.java Sun May 27 12:00:16 2018 +0530 @@ -280,7 +280,9 @@ tree.vartype.type = atype.makeVarargs(); } WriteableScope enclScope = enter.enterScope(env); - Type vartype = tree.isImplicitlyTyped() ? Type.noType : tree.vartype.type; + Type vartype = tree.isImplicitlyTyped() + ? env.info.scope.owner.kind == MTH ? Type.noType : syms.errType + : tree.vartype.type; VarSymbol v = new VarSymbol(0, tree.name, vartype, enclScope.owner); v.flags_field = chk.checkFlags(tree.pos(), tree.mods.flags, v, tree); tree.sym = v; diff -r f84ae8aa5d88 -r a8e77041c69f test/langtools/tools/javac/types/VarInstanceMemberTest.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/langtools/tools/javac/types/VarInstanceMemberTest.java Sun May 27 12:00:16 2018 +0530 @@ -0,0 +1,89 @@ +/* + * Copyright (c) 2018, 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 8202178 + * @summary Make sure that var kind != None + * @compile -Werror -Xlint:all VarInstanceMemberTest.java + * @run main VarInstanceMemberTest + */ + +import java.net.URI; +import java.util.Arrays; + +import javax.lang.model.type.TypeKind; +import javax.tools.DiagnosticCollector; +import javax.tools.JavaCompiler; +import javax.tools.JavaFileObject; +import javax.tools.SimpleJavaFileObject; +import javax.tools.ToolProvider; + +import com.sun.source.tree.CompilationUnitTree; +import com.sun.source.tree.VariableTree; +import com.sun.source.util.*; + +public class VarInstanceMemberTest { + + static class JavaSource extends SimpleJavaFileObject { + + final static String sourceStub = "class Test {var v1;}"; + + public JavaSource() { + super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE); + } + + @Override + public CharSequence getCharContent(boolean ignoreEncodingErrors) { + return sourceStub; + } + + } + + public static void main(String[] args) throws Exception { + check(); + + } + + static void check() throws Exception { + final JavaCompiler tool = ToolProvider.getSystemJavaCompiler(); + DiagnosticCollector dc = new DiagnosticCollector(); + JavacTask ct = (JavacTask) tool.getTask(null, null, dc, + null, null, Arrays.asList(new JavaSource())); + CompilationUnitTree tree = ct.parse().iterator().next(); + + ct.analyze(); + new TreePathScanner() { + @Override + public Object visitVariable(VariableTree node, Object p) { + TypeKind kind = Trees.instance(ct).getElement(getCurrentPath()).asType().getKind(); + if (kind != TypeKind.ERROR) { + throw new AssertionError("Kind = " + Trees.instance(ct).getElement(getCurrentPath()).asType().getKind()); + } + return super.visitVariable(node, p); + } + }.scan(tree, null); + } + +} +