changeset 3122:874f6272fa9f

Merge
author asaha
date Thu, 29 Oct 2015 17:21:12 -0700
parents 25b6cb57f5eb (current diff) c3be0c29c83c (diff)
children eb5e3c242780
files .hgtags
diffstat 11 files changed, 295 insertions(+), 47 deletions(-) [+]
line wrap: on
line diff
--- a/.hgtags	Fri Oct 16 12:19:45 2015 -0700
+++ b/.hgtags	Thu Oct 29 17:21:12 2015 -0700
@@ -500,4 +500,14 @@
 fb2756fb330047dbbff0fa89b79e1d8d96146868 jdk8u71-b01
 21306b94f23ef63cc3ac48a509d491187dadb0f6 jdk8u71-b02
 43002f1aebfdaa64ad497f86c5f9a2f9b450b464 jdk8u71-b03
+531efb9ef9808eef700a0b4d9c3996090469ad6c jdk8u71-b04
+89deefc7b6bac551bb16fbb8740775cfd5f73998 jdk8u71-b05
+bc15decea6ad7b8b34b217af102f175a9a0d52c3 jdk8u71-b06
+1c93d260bf996e56d1e1f6d187aceadaa9a38d0c jdk8u72-b00
+aec633bcb3af5382013c6c25b435564aba5bc3d4 jdk8u72-b01
+dfb368f2498e5bfaac7cc7730b5e822999736cd7 jdk8u72-b02
+975709317923c28f0dfcf99d8456048f920d087e jdk8u72-b03
+106fb99e28d20623748c2c3a2120be37fcfac78f jdk8u72-b04
+5bb4ad0363a74265a931b24d0bb0f51b23f09060 jdk8u72-b05
+2e722fd7496556350510c5d3fc02c77377fd8bff jdk8u72-b06
 90b497af2ba5329448da3a46a185687ae17f7098 jdk8u75-b00
--- a/src/share/classes/com/sun/tools/javac/code/Type.java	Fri Oct 16 12:19:45 2015 -0700
+++ b/src/share/classes/com/sun/tools/javac/code/Type.java	Thu Oct 29 17:21:12 2015 -0700
@@ -421,6 +421,14 @@
             && (tsym.flags() & COMPOUND) != 0;
     }
 
+    public boolean isIntersection() {
+        return false;
+    }
+
+    public boolean isUnion() {
+        return false;
+    }
+
     public boolean isInterface() {
         return (tsym.flags() & INTERFACE) != 0;
     }
@@ -970,6 +978,11 @@
         }
 
         @Override
+        public boolean isUnion() {
+            return true;
+        }
+
+        @Override
         public TypeKind getKind() {
             return TypeKind.UNION;
         }
@@ -1003,6 +1016,11 @@
             return interfaces_field.prepend(supertype_field);
         }
 
+        @Override
+        public boolean isIntersection() {
+            return true;
+        }
+
         public List<Type> getExplicitComponents() {
             return allInterfaces ?
                     interfaces_field :
--- a/src/share/classes/com/sun/tools/javac/code/Types.java	Fri Oct 16 12:19:45 2015 -0700
+++ b/src/share/classes/com/sun/tools/javac/code/Types.java	Thu Oct 29 17:21:12 2015 -0700
@@ -1539,8 +1539,8 @@
                     }
                 }
 
-                if (t.isCompound() || s.isCompound()) {
-                    return !t.isCompound() ?
+                if (t.isIntersection() || s.isIntersection()) {
+                    return !t.isIntersection() ?
                             visitIntersectionType((IntersectionClassType)s.unannotatedType(), t, true) :
                             visitIntersectionType((IntersectionClassType)t.unannotatedType(), s, false);
                 }
@@ -2255,19 +2255,28 @@
     }
     // </editor-fold>
 
-    // <editor-fold defaultstate="collapsed" desc="makeCompoundType">
+    // <editor-fold defaultstate="collapsed" desc="makeIntersectionType">
     /**
-     * Make a compound type from non-empty list of types.  The list should be
-     * ordered according to {@link Symbol#precedes(TypeSymbol,Types)}.
+     * Make an intersection type from non-empty list of types.  The list should be ordered according to
+     * {@link TypeSymbol#precedes(TypeSymbol, Types)}. Note that this might cause a symbol completion.
+     * Hence, this version of makeIntersectionType may not be called during a classfile read.
      *
-     * @param bounds            the types from which the compound type is formed
-     * @param supertype         is objectType if all bounds are interfaces,
-     *                          null otherwise.
+     * @param bounds    the types from which the intersection type is formed
      */
-    public Type makeCompoundType(List<Type> bounds) {
-        return makeCompoundType(bounds, bounds.head.tsym.isInterface());
+    public IntersectionClassType makeIntersectionType(List<Type> bounds) {
+        return makeIntersectionType(bounds, bounds.head.tsym.isInterface());
     }
-    public Type makeCompoundType(List<Type> bounds, boolean allInterfaces) {
+
+    /**
+     * Make an intersection type from non-empty list of types.  The list should be ordered according to
+     * {@link TypeSymbol#precedes(TypeSymbol, Types)}. This does not cause symbol completion as
+     * an extra parameter indicates as to whether all bounds are interfaces - in which case the
+     * supertype is implicitly assumed to be 'Object'.
+     *
+     * @param bounds        the types from which the intersection type is formed
+     * @param allInterfaces are all bounds interface types?
+     */
+    public IntersectionClassType makeIntersectionType(List<Type> bounds, boolean allInterfaces) {
         Assert.check(bounds.nonEmpty());
         Type firstExplicitBound = bounds.head;
         if (allInterfaces) {
@@ -2280,23 +2289,24 @@
                                 : names.empty,
                             null,
                             syms.noSymbol);
-        bc.type = new IntersectionClassType(bounds, bc, allInterfaces);
+        IntersectionClassType intersectionType = new IntersectionClassType(bounds, bc, allInterfaces);
+        bc.type = intersectionType;
         bc.erasure_field = (bounds.head.hasTag(TYPEVAR)) ?
                 syms.objectType : // error condition, recover
                 erasure(firstExplicitBound);
         bc.members_field = new Scope(bc);
-        return bc.type;
+        return intersectionType;
     }
 
     /**
-     * A convenience wrapper for {@link #makeCompoundType(List)}; the
+     * A convenience wrapper for {@link #makeIntersectionType(List)}; the
      * arguments are converted to a list and passed to the other
      * method.  Note that this might cause a symbol completion.
-     * Hence, this version of makeCompoundType may not be called
+     * Hence, this version of makeIntersectionType may not be called
      * during a classfile read.
      */
-    public Type makeCompoundType(Type bound1, Type bound2) {
-        return makeCompoundType(List.of(bound1, bound2));
+    public Type makeIntersectionType(Type bound1, Type bound2) {
+        return makeIntersectionType(List.of(bound1, bound2));
     }
     // </editor-fold>
 
@@ -2436,7 +2446,7 @@
         private final UnaryVisitor<List<Type>> directSupertypes = new UnaryVisitor<List<Type>>() {
 
             public List<Type> visitType(final Type type, final Void ignored) {
-                if (!type.isCompound()) {
+                if (!type.isIntersection()) {
                     final Type sup = supertype(type);
                     return (sup == Type.noType || sup == type || sup == null)
                         ? interfaces(type)
@@ -2490,30 +2500,32 @@
 
     // <editor-fold defaultstate="collapsed" desc="setBounds">
     /**
-     * Set the bounds field of the given type variable to reflect a
-     * (possibly multiple) list of bounds.
-     * @param t                 a type variable
-     * @param bounds            the bounds, must be nonempty
-     * @param supertype         is objectType if all bounds are interfaces,
-     *                          null otherwise.
+     * Same as {@link Types#setBounds(TypeVar, List, boolean)}, except that third parameter is computed directly,
+     * as follows: if all all bounds are interface types, the computed supertype is Object,otherwise
+     * the supertype is simply left null (in this case, the supertype is assumed to be the head of
+     * the bound list passed as second argument). Note that this check might cause a symbol completion.
+     * Hence, this version of setBounds may not be called during a classfile read.
+     *
+     * @param t         a type variable
+     * @param bounds    the bounds, must be nonempty
      */
     public void setBounds(TypeVar t, List<Type> bounds) {
         setBounds(t, bounds, bounds.head.tsym.isInterface());
     }
 
     /**
-     * Same as {@link #setBounds(Type.TypeVar,List,Type)}, except that
-     * third parameter is computed directly, as follows: if all
-     * all bounds are interface types, the computed supertype is Object,
-     * otherwise the supertype is simply left null (in this case, the supertype
-     * is assumed to be the head of the bound list passed as second argument).
-     * Note that this check might cause a symbol completion. Hence, this version of
-     * setBounds may not be called during a classfile read.
+     * Set the bounds field of the given type variable to reflect a (possibly multiple) list of bounds.
+     * This does not cause symbol completion as an extra parameter indicates as to whether all bounds
+     * are interfaces - in which case the supertype is implicitly assumed to be 'Object'.
+     *
+     * @param t             a type variable
+     * @param bounds        the bounds, must be nonempty
+     * @param allInterfaces are all bounds interface types?
      */
     public void setBounds(TypeVar t, List<Type> bounds, boolean allInterfaces) {
         t.bound = bounds.tail.isEmpty() ?
                 bounds.head :
-                makeCompoundType(bounds, allInterfaces);
+                makeIntersectionType(bounds, allInterfaces);
         t.rank_field = -1;
     }
     // </editor-fold>
@@ -3063,7 +3075,7 @@
                 if (st == supertype(t) && is == interfaces(t))
                     return t;
                 else
-                    return makeCompoundType(is.prepend(st));
+                    return makeIntersectionType(is.prepend(st));
             }
         }
 
@@ -3566,7 +3578,7 @@
         else if (compound.tail.isEmpty())
             return compound.head;
         else
-            return makeCompoundType(compound);
+            return makeIntersectionType(compound);
     }
 
     /**
@@ -3744,8 +3756,8 @@
                 synchronized (this) {
                     if (arraySuperType == null) {
                         // JLS 10.8: all arrays implement Cloneable and Serializable.
-                        arraySuperType = makeCompoundType(List.of(syms.serializableType,
-                                                                  syms.cloneableType), true);
+                        arraySuperType = makeIntersectionType(List.of(syms.serializableType,
+                                syms.cloneableType), true);
                     }
                 }
             }
@@ -3811,7 +3823,7 @@
                     return glbFlattened(union(bounds, lowers), errT);
             }
         }
-        return makeCompoundType(bounds);
+        return makeIntersectionType(bounds);
     }
     // </editor-fold>
 
--- a/src/share/classes/com/sun/tools/javac/comp/Attr.java	Fri Oct 16 12:19:45 2015 -0700
+++ b/src/share/classes/com/sun/tools/javac/comp/Attr.java	Thu Oct 29 17:21:12 2015 -0700
@@ -2434,7 +2434,7 @@
 
             @Override
             public Type visitClassType(ClassType t, DiagnosticPosition pos) {
-                return t.isCompound() ?
+                return t.isIntersection() ?
                         visitIntersectionClassType((IntersectionClassType)t, pos) : t;
             }
 
@@ -2465,8 +2465,7 @@
                     }
                     supertypes.append(i.tsym.type);
                 }
-                IntersectionClassType notionalIntf =
-                        (IntersectionClassType)types.makeCompoundType(supertypes.toList());
+                IntersectionClassType notionalIntf = types.makeIntersectionType(supertypes.toList());
                 notionalIntf.allparams_field = targs.toList();
                 notionalIntf.tsym.flags_field |= INTERFACE;
                 return notionalIntf.tsym;
@@ -4032,7 +4031,7 @@
         } else if (bounds.length() == 1) {
             return bounds.head.type;
         } else {
-            Type owntype = types.makeCompoundType(TreeInfo.types(bounds));
+            Type owntype = types.makeIntersectionType(TreeInfo.types(bounds));
             // ... the variable's bound is a class type flagged COMPOUND
             // (see comment for TypeVar.bound).
             // In this case, generate a class tree that represents the
--- a/src/share/classes/com/sun/tools/javac/comp/Check.java	Fri Oct 16 12:19:45 2015 -0700
+++ b/src/share/classes/com/sun/tools/javac/comp/Check.java	Thu Oct 29 17:21:12 2015 -0700
@@ -1813,7 +1813,7 @@
                                             Type t1,
                                             Type t2) {
         return checkCompatibleAbstracts(pos, t1, t2,
-                                        types.makeCompoundType(t1, t2));
+                                        types.makeIntersectionType(t1, t2));
     }
 
     public boolean checkCompatibleAbstracts(DiagnosticPosition pos,
--- a/src/share/classes/com/sun/tools/javac/comp/Infer.java	Fri Oct 16 12:19:45 2015 -0700
+++ b/src/share/classes/com/sun/tools/javac/comp/Infer.java	Thu Oct 29 17:21:12 2015 -0700
@@ -373,7 +373,7 @@
             List<Type> upperBounds = uv.getBounds(InferenceBound.UPPER);
             if (Type.containsAny(upperBounds, vars)) {
                 TypeSymbol fresh_tvar = new TypeVariableSymbol(Flags.SYNTHETIC, uv.qtype.tsym.name, null, uv.qtype.tsym.owner);
-                fresh_tvar.type = new TypeVar(fresh_tvar, types.makeCompoundType(uv.getBounds(InferenceBound.UPPER)), null);
+                fresh_tvar.type = new TypeVar(fresh_tvar, types.makeIntersectionType(uv.getBounds(InferenceBound.UPPER)), null);
                 todo.append(uv);
                 uv.inst = fresh_tvar.type;
             } else if (upperBounds.nonEmpty()) {
--- a/src/share/classes/com/sun/tools/javac/comp/LambdaToMethod.java	Fri Oct 16 12:19:45 2015 -0700
+++ b/src/share/classes/com/sun/tools/javac/comp/LambdaToMethod.java	Thu Oct 29 17:21:12 2015 -0700
@@ -1179,12 +1179,14 @@
         @Override
         public void visitClassDef(JCClassDecl tree) {
             List<Frame> prevStack = frameStack;
+            int prevLambdaCount = lambdaCount;
             SyntheticMethodNameCounter prevSyntheticMethodNameCounts =
                     syntheticMethodNameCounts;
             Map<ClassSymbol, Symbol> prevClinits = clinits;
             DiagnosticSource prevSource = log.currentSource();
             try {
                 log.useSource(tree.sym.sourcefile);
+                lambdaCount = 0;
                 syntheticMethodNameCounts = new SyntheticMethodNameCounter();
                 prevClinits = new HashMap<ClassSymbol, Symbol>();
                 if (tree.sym.owner.kind == MTH) {
@@ -1211,6 +1213,7 @@
             finally {
                 log.useSource(prevSource.getFile());
                 frameStack = prevStack;
+                lambdaCount = prevLambdaCount;
                 syntheticMethodNameCounts = prevSyntheticMethodNameCounts;
                 clinits = prevClinits;
             }
--- a/src/share/classes/com/sun/tools/javac/comp/TransTypes.java	Fri Oct 16 12:19:45 2015 -0700
+++ b/src/share/classes/com/sun/tools/javac/comp/TransTypes.java	Thu Oct 29 17:21:12 2015 -0700
@@ -750,7 +750,7 @@
         Type originalTarget = tree.type;
         tree.type = erasure(tree.type);
         tree.expr = translate(tree.expr, tree.type);
-        if (originalTarget.isCompound()) {
+        if (originalTarget.isIntersection()) {
             Type.IntersectionClassType ict = (Type.IntersectionClassType)originalTarget;
             for (Type c : ict.getExplicitComponents()) {
                 Type ec = erasure(c);
--- a/src/share/classes/com/sun/tools/javac/resources/javac.properties	Fri Oct 16 12:19:45 2015 -0700
+++ b/src/share/classes/com/sun/tools/javac/resources/javac.properties	Thu Oct 29 17:21:12 2015 -0700
@@ -232,9 +232,9 @@
 
 javac.msg.bug=\
 An exception has occurred in the compiler ({0}). \
-Please file a bug at the Java Bug Database (http://bugreport.java.com/bugreport/) \
-after checking the database for duplicates. \
-Include your program and the following diagnostic in your report.  Thank you.
+Please file a bug against the Java compiler via the Java bug reporting page (http://bugreport.java.com) \
+after checking the Bug Database (http://bugs.java.com) for duplicates. \
+Include your program and the following diagnostic in your report. Thank you.
 
 javac.msg.io=\
 \n\nAn input/output error occurred.\n\
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/lambda/lambdaNaming/TestNonSerializableLambdaNameStability.java	Thu Oct 29 17:21:12 2015 -0700
@@ -0,0 +1,157 @@
+/*
+ * Copyright (c) 2014, 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 8067422
+ * @summary Check that the lambda names are not unnecessarily unstable
+ * @run main TestNonSerializableLambdaNameStability
+ */
+
+import com.sun.tools.classfile.ClassFile;
+import com.sun.tools.classfile.Method;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import javax.tools.FileObject;
+import javax.tools.ForwardingJavaFileManager;
+import javax.tools.JavaCompiler;
+import javax.tools.JavaFileManager;
+import javax.tools.JavaFileObject;
+import javax.tools.JavaFileObject.Kind;
+import javax.tools.SimpleJavaFileObject;
+import javax.tools.ToolProvider;
+
+public class TestNonSerializableLambdaNameStability {
+
+    public static void main(String... args) throws Exception {
+        new TestNonSerializableLambdaNameStability().run();
+    }
+
+    String lambdaSource = "public class L%d {\n" +
+                          "    public static class A {\n" +
+                          "        private Runnable r = () -> { };\n" +
+                          "    }\n" +
+                          "    public static class B {\n" +
+                          "        private Runnable r = () -> { };\n" +
+                          "    }\n" +
+                          "    private Runnable r = () -> { };\n" +
+                          "}\n";
+
+    String expectedLambdaMethodName = "lambda$new$0";
+
+    void run() throws Exception {
+        List<JavaFileObject> sources = new ArrayList<>();
+
+        for (int i = 0; i < 3; i++) {
+            sources.add(new SourceJavaFileObject("L" + i, String.format(lambdaSource, i)));
+        }
+
+        JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
+
+        try (MemoryFileManager fm = new MemoryFileManager(compiler.getStandardFileManager(null, null, null))) {
+            if (!compiler.getTask(null, fm, null, null, null, sources).call()) {
+                throw new AssertionError("Compilation failed!");
+            }
+
+            for (String file : fm.name2Content.keySet()) {
+                byte[] fileBytes = fm.name2Content.get(file);
+                try (InputStream in = new ByteArrayInputStream(fileBytes)) {
+                    boolean foundLambdaMethod = false;
+                    ClassFile cf = ClassFile.read(in);
+                    StringBuilder seenMethods = new StringBuilder();
+                    String sep = "";
+                    for (Method m : cf.methods) {
+                        String methodName = m.getName(cf.constant_pool);
+                        if (expectedLambdaMethodName.equals(methodName)) {
+                            foundLambdaMethod = true;
+                            break;
+                        }
+                        seenMethods.append(sep);
+                        seenMethods.append(methodName);
+                        sep = ", ";
+                    }
+
+                    if (!foundLambdaMethod) {
+                        throw new AbstractMethodError("Did not find the lambda method, " +
+                                                      "found methods: " + seenMethods.toString());
+                    }
+                }
+            }
+        }
+    }
+
+    class MemoryFileManager extends ForwardingJavaFileManager<JavaFileManager> {
+
+        final Map<String, byte[]> name2Content = new HashMap<>();
+
+        public MemoryFileManager(JavaFileManager fileManager) {
+            super(fileManager);
+        }
+
+        @Override
+        public JavaFileObject getJavaFileForOutput(Location location, String className, Kind kind, FileObject sibling) throws IOException {
+            try {
+                return new SimpleJavaFileObject(new URI("mem://" + className.replace('.', '/') + kind.extension), kind) {
+                    @Override public OutputStream openOutputStream() throws IOException {
+                        return new ByteArrayOutputStream() {
+                            @Override public void close() throws IOException {
+                                super.close();
+                                name2Content.put(className, toByteArray());
+                            }
+                        };
+                    }
+                };
+            } catch (URISyntaxException ex) {
+                throw new AssertionError(ex);
+            }
+        }
+
+    }
+
+    class SourceJavaFileObject extends SimpleJavaFileObject {
+
+        private final String code;
+
+        public SourceJavaFileObject(String name, String code) throws URISyntaxException {
+            super(new URI("mem:///" + name + ".java"), Kind.SOURCE);
+            this.code = code;
+        }
+
+        @Override
+        public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
+            return code;
+        }
+
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/multicatch/8071291/T8071291.java	Thu Oct 29 17:21:12 2015 -0700
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 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 8071291
+ * @summary Compiler crashes trying to cast UnionType to IntersectionClassType
+ * @compile T8071291.java
+ */
+
+class T8071291 {
+
+    interface A { }
+    class Exception1 extends Exception implements A { }
+    class Exception2 extends Exception implements A { }
+
+    void test(boolean cond) {
+        try {
+            if (cond) {
+                throw new Exception1();
+            } else {
+                throw new Exception2();
+            }
+        }
+        catch (Exception1|Exception2 x) {
+            if (x instanceof Exception1) { }
+        }
+    }
+}