author | jfranck |
Mon, 22 Apr 2013 10:24:19 +0200 | |
changeset 17278 | a48ec76f26e9 |
parent 16556 | f4adc5bb4652 |
child 17578 | 46ac954e4a84 |
permissions | -rw-r--r-- |
15385 | 1 |
/* |
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* Copyright (c) 2009, 2013, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package com.sun.tools.javac.code; |
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import javax.lang.model.element.Element; |
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import javax.lang.model.element.ElementKind; |
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import javax.lang.model.type.TypeKind; |
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import com.sun.tools.javac.code.Attribute; |
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import com.sun.tools.javac.code.Attribute.TypeCompound; |
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import com.sun.tools.javac.code.Flags; |
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import com.sun.tools.javac.code.Kinds; |
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import com.sun.tools.javac.code.Type.AnnotatedType; |
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import com.sun.tools.javac.code.Type.ArrayType; |
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import com.sun.tools.javac.code.Type.CapturedType; |
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import com.sun.tools.javac.code.Type.ClassType; |
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import com.sun.tools.javac.code.Type.ErrorType; |
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import com.sun.tools.javac.code.Type.ForAll; |
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import com.sun.tools.javac.code.Type.MethodType; |
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import com.sun.tools.javac.code.Type.PackageType; |
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import com.sun.tools.javac.code.Type.TypeVar; |
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import com.sun.tools.javac.code.Type.UndetVar; |
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import com.sun.tools.javac.code.Type.Visitor; |
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import com.sun.tools.javac.code.Type.WildcardType; |
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import com.sun.tools.javac.code.TypeAnnotationPosition.TypePathEntry; |
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import com.sun.tools.javac.code.TypeAnnotationPosition.TypePathEntryKind; |
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import com.sun.tools.javac.code.TypeTag; |
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import com.sun.tools.javac.code.Symbol.VarSymbol; |
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import com.sun.tools.javac.comp.Annotate.Annotator; |
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import com.sun.tools.javac.tree.JCTree; |
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import com.sun.tools.javac.tree.JCTree.JCBlock; |
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import com.sun.tools.javac.tree.JCTree.JCClassDecl; |
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import com.sun.tools.javac.tree.JCTree.JCExpression; |
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import com.sun.tools.javac.tree.JCTree.JCMethodDecl; |
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import com.sun.tools.javac.tree.JCTree.JCTypeApply; |
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import com.sun.tools.javac.tree.JCTree.JCVariableDecl; |
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import com.sun.tools.javac.tree.TreeScanner; |
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import com.sun.tools.javac.tree.JCTree.*; |
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import com.sun.tools.javac.util.Assert; |
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import com.sun.tools.javac.util.List; |
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import com.sun.tools.javac.util.ListBuffer; |
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import com.sun.tools.javac.util.Log; |
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import com.sun.tools.javac.util.Names; |
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/** |
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* Contains operations specific to processing type annotations. |
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* This class has two functions: |
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* separate declaration from type annotations and insert the type |
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* annotations to their types; |
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* and determine the TypeAnnotationPositions for all type annotations. |
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*/ |
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public class TypeAnnotations { |
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// Class cannot be instantiated. |
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private TypeAnnotations() {} |
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/** |
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* Separate type annotations from declaration annotations and |
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* determine the correct positions for type annotations. |
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* This version only visits types in signatures and should be |
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* called from MemberEnter. |
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* The method returns the Annotator object that should be added |
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* to the correct Annotate queue for later processing. |
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*/ |
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public static Annotator organizeTypeAnnotationsSignatures(final Symtab syms, final Names names, |
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final Log log, final JCClassDecl tree) { |
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return new Annotator() { |
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@Override |
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public void enterAnnotation() { |
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new TypeAnnotationPositions(syms, names, log, true).scan(tree); |
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} |
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}; |
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} |
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/** |
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* This version only visits types in bodies, that is, field initializers, |
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* top-level blocks, and method bodies, and should be called from Attr. |
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*/ |
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public static void organizeTypeAnnotationsBodies(Symtab syms, Names names, Log log, JCClassDecl tree) { |
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new TypeAnnotationPositions(syms, names, log, false).scan(tree); |
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} |
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private static class TypeAnnotationPositions extends TreeScanner { |
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private enum AnnotationType { DECLARATION, TYPE, BOTH }; |
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private final Symtab syms; |
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private final Names names; |
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private final Log log; |
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private final boolean sigOnly; |
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private TypeAnnotationPositions(Symtab syms, Names names, Log log, boolean sigOnly) { |
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this.syms = syms; |
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this.names = names; |
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this.log = log; |
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this.sigOnly = sigOnly; |
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} |
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/* |
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* When traversing the AST we keep the "frames" of visited |
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* trees in order to determine the position of annotations. |
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*/ |
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private ListBuffer<JCTree> frames = ListBuffer.lb(); |
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protected void push(JCTree t) { frames = frames.prepend(t); } |
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protected JCTree pop() { return frames.next(); } |
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// could this be frames.elems.tail.head? |
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private JCTree peek2() { return frames.toList().tail.head; } |
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@Override |
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public void scan(JCTree tree) { |
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push(tree); |
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super.scan(tree); |
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pop(); |
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} |
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/** |
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* Separates type annotations from declaration annotations. |
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* This step is needed because in certain locations (where declaration |
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* and type annotations can be mixed, e.g. the type of a field) |
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* we never build an JCAnnotatedType. This step finds these |
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* annotations and marks them as if they were part of the type. |
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*/ |
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private void separateAnnotationsKinds(JCTree typetree, Type type, Symbol sym, |
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TypeAnnotationPosition pos) { |
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/* |
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System.out.printf("separateAnnotationsKinds(typetree: %s, type: %s, symbol: %s, pos: %s%n", |
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typetree, type, sym, pos); |
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*/ |
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List<Attribute.Compound> annotations = sym.getRawAttributes(); |
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ListBuffer<Attribute.Compound> declAnnos = new ListBuffer<Attribute.Compound>(); |
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ListBuffer<Attribute.TypeCompound> typeAnnos = new ListBuffer<Attribute.TypeCompound>(); |
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for (Attribute.Compound a : annotations) { |
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switch (annotationType(a, sym)) { |
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case DECLARATION: |
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declAnnos.append(a); |
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break; |
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case BOTH: { |
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declAnnos.append(a); |
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Attribute.TypeCompound ta = toTypeCompound(a, pos); |
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typeAnnos.append(ta); |
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break; |
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} |
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case TYPE: { |
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Attribute.TypeCompound ta = toTypeCompound(a, pos); |
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typeAnnos.append(ta); |
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break; |
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} |
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} |
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} |
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sym.annotations.reset(); |
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sym.annotations.setDeclarationAttributes(declAnnos.toList()); |
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List<Attribute.TypeCompound> typeAnnotations = typeAnnos.toList(); |
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if (type == null) { |
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// When type is null, put the type annotations to the symbol. |
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// This is used for constructor return annotations, for which |
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// no appropriate type exists. |
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sym.annotations.appendUniqueTypes(typeAnnotations); |
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return; |
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} |
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// type is non-null and annotations are added to that type |
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type = typeWithAnnotations(typetree, type, typeAnnotations, log); |
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if (sym.getKind() == ElementKind.METHOD) { |
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sym.type.asMethodType().restype = type; |
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} else { |
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sym.type = type; |
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} |
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sym.annotations.appendUniqueTypes(typeAnnotations); |
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if (sym.getKind() == ElementKind.PARAMETER && |
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sym.getQualifiedName().equals(names._this)) { |
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sym.owner.type.asMethodType().recvtype = type; |
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// note that the typeAnnotations will also be added to the owner below. |
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} |
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if (sym.getKind() == ElementKind.PARAMETER || |
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sym.getKind() == ElementKind.LOCAL_VARIABLE || |
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sym.getKind() == ElementKind.RESOURCE_VARIABLE || |
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sym.getKind() == ElementKind.EXCEPTION_PARAMETER) { |
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// Make sure all type annotations from the symbol are also |
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// on the owner. |
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17278
a48ec76f26e9
8011027: Type parameter annotations not passed through to javax.lang.model
jfranck
parents:
16556
diff
changeset
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sym.owner.annotations.appendUniqueTypes(sym.getRawTypeAttributes()); |
15385 | 210 |
} |
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} |
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// This method has a similar purpose as |
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// {@link com.sun.tools.javac.parser.JavacParser.insertAnnotationsToMostInner(JCExpression, List<JCTypeAnnotation>, boolean)} |
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// We found a type annotation in a declaration annotation position, |
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// for example, on the return type. |
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// Such an annotation is _not_ part of an JCAnnotatedType tree and we therefore |
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// need to set its position explicitly. |
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// The method returns a copy of type that contains these annotations. |
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// |
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// As a side effect the method sets the type annotation position of "annotations". |
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// Note that it is assumed that all annotations share the same position. |
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private static Type typeWithAnnotations(final JCTree typetree, final Type type, |
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final List<Attribute.TypeCompound> annotations, Log log) { |
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// System.out.printf("typeWithAnnotations(typetree: %s, type: %s, annotations: %s)%n", |
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// typetree, type, annotations); |
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if (annotations.isEmpty()) { |
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return type; |
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} |
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if (type.hasTag(TypeTag.ARRAY)) { |
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Type toreturn; |
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Type.ArrayType tomodify; |
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Type.ArrayType arType; |
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{ |
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Type touse = type; |
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16556
f4adc5bb4652
8008425: Remove interim new javax.lang.model API for type-annotations
jjg
parents:
15718
diff
changeset
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if (type.isAnnotated()) { |
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Type.AnnotatedType atype = (Type.AnnotatedType)type; |
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toreturn = new Type.AnnotatedType(atype.underlyingType); |
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((Type.AnnotatedType)toreturn).typeAnnotations = atype.typeAnnotations; |
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touse = atype.underlyingType; |
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arType = (Type.ArrayType) touse; |
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tomodify = new Type.ArrayType(null, arType.tsym); |
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((Type.AnnotatedType)toreturn).underlyingType = tomodify; |
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} else { |
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arType = (Type.ArrayType) touse; |
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tomodify = new Type.ArrayType(null, arType.tsym); |
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toreturn = tomodify; |
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} |
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} |
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JCArrayTypeTree arTree = arrayTypeTree(typetree); |
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ListBuffer<TypePathEntry> depth = ListBuffer.lb(); |
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depth = depth.append(TypePathEntry.ARRAY); |
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while (arType.elemtype.hasTag(TypeTag.ARRAY)) { |
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16556
f4adc5bb4652
8008425: Remove interim new javax.lang.model API for type-annotations
jjg
parents:
15718
diff
changeset
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if (arType.elemtype.isAnnotated()) { |
15385 | 256 |
Type.AnnotatedType aelemtype = (Type.AnnotatedType) arType.elemtype; |
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Type.AnnotatedType newAT = new Type.AnnotatedType(aelemtype.underlyingType); |
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tomodify.elemtype = newAT; |
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newAT.typeAnnotations = aelemtype.typeAnnotations; |
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arType = (Type.ArrayType) aelemtype.underlyingType; |
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tomodify = new Type.ArrayType(null, arType.tsym); |
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newAT.underlyingType = tomodify; |
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} else { |
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arType = (Type.ArrayType) arType.elemtype; |
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tomodify.elemtype = new Type.ArrayType(null, arType.tsym); |
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tomodify = (Type.ArrayType) tomodify.elemtype; |
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} |
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arTree = arrayTypeTree(arTree.elemtype); |
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depth = depth.append(TypePathEntry.ARRAY); |
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} |
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Type arelemType = typeWithAnnotations(arTree.elemtype, arType.elemtype, annotations, log); |
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tomodify.elemtype = arelemType; |
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15718 | 273 |
{ |
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// All annotations share the same position; modify the first one. |
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Attribute.TypeCompound a = annotations.get(0); |
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TypeAnnotationPosition p = a.position; |
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p.location = p.location.prependList(depth.toList()); |
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} |
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return toreturn; |
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} else if (type.hasTag(TypeTag.TYPEVAR)) { |
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// Nothing to do for type variables. |
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return type; |
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} else { |
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Type enclTy = type; |
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Element enclEl = type.asElement(); |
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JCTree enclTr = typetree; |
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288 |
while (enclEl != null && |
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enclEl.getKind() != ElementKind.PACKAGE && |
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enclTy != null && |
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enclTy.getKind() != TypeKind.NONE && |
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enclTy.getKind() != TypeKind.ERROR && |
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(enclTr.getKind() == JCTree.Kind.MEMBER_SELECT || |
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enclTr.getKind() == JCTree.Kind.PARAMETERIZED_TYPE || |
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enclTr.getKind() == JCTree.Kind.ANNOTATED_TYPE)) { |
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// Iterate also over the type tree, not just the type: the type is already |
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// completely resolved and we cannot distinguish where the annotation |
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// belongs for a nested type. |
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if (enclTr.getKind() == JCTree.Kind.MEMBER_SELECT) { |
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// only change encl in this case. |
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enclTy = enclTy.getEnclosingType(); |
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enclEl = enclEl.getEnclosingElement(); |
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enclTr = ((JCFieldAccess)enclTr).getExpression(); |
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} else if (enclTr.getKind() == JCTree.Kind.PARAMETERIZED_TYPE) { |
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enclTr = ((JCTypeApply)enclTr).getType(); |
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} else { |
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// only other option because of while condition |
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enclTr = ((JCAnnotatedType)enclTr).getUnderlyingType(); |
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} |
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} |
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311 |
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312 |
/** We are trying to annotate some enclosing type, |
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* but nothing more exists. |
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*/ |
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if (enclTy != null && |
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316 |
enclTy.getKind() == TypeKind.NONE && |
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317 |
(enclTr.getKind() == JCTree.Kind.IDENTIFIER || |
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enclTr.getKind() == JCTree.Kind.MEMBER_SELECT || |
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enclTr.getKind() == JCTree.Kind.PARAMETERIZED_TYPE || |
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320 |
enclTr.getKind() == JCTree.Kind.ANNOTATED_TYPE)) { |
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321 |
// TODO: also if it's "java. @A lang.Object", that is, |
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// if it's on a package? |
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log.error(enclTr.pos(), "cant.annotate.nested.type", enclTr.toString()); |
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return type; |
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325 |
} |
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326 |
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327 |
// At this point we have visited the part of the nested |
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328 |
// type that is written in the source code. |
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329 |
// Now count from here to the actual top-level class to determine |
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330 |
// the correct nesting. |
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331 |
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332 |
// The genericLocation for the annotation. |
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333 |
ListBuffer<TypePathEntry> depth = ListBuffer.lb(); |
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334 |
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335 |
Type topTy = enclTy; |
|
336 |
while (enclEl != null && |
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337 |
enclEl.getKind() != ElementKind.PACKAGE && |
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338 |
topTy != null && |
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339 |
topTy.getKind() != TypeKind.NONE && |
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340 |
topTy.getKind() != TypeKind.ERROR) { |
|
341 |
topTy = topTy.getEnclosingType(); |
|
342 |
enclEl = enclEl.getEnclosingElement(); |
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343 |
||
344 |
if (topTy != null && topTy.getKind() != TypeKind.NONE) { |
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345 |
// Only count enclosing types. |
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346 |
depth = depth.append(TypePathEntry.INNER_TYPE); |
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347 |
} |
|
348 |
} |
|
349 |
||
350 |
if (depth.nonEmpty()) { |
|
351 |
// Only need to change the annotation positions |
|
352 |
// if they are on an enclosed type. |
|
15718 | 353 |
// All annotations share the same position; modify the first one. |
354 |
Attribute.TypeCompound a = annotations.get(0); |
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355 |
TypeAnnotationPosition p = a.position; |
|
356 |
p.location = p.location.appendList(depth.toList()); |
|
15385 | 357 |
} |
358 |
||
359 |
Type ret = typeWithAnnotations(type, enclTy, annotations); |
|
360 |
return ret; |
|
361 |
} |
|
362 |
} |
|
363 |
||
364 |
private static JCArrayTypeTree arrayTypeTree(JCTree typetree) { |
|
365 |
if (typetree.getKind() == JCTree.Kind.ARRAY_TYPE) { |
|
366 |
return (JCArrayTypeTree) typetree; |
|
367 |
} else if (typetree.getKind() == JCTree.Kind.ANNOTATED_TYPE) { |
|
368 |
return (JCArrayTypeTree) ((JCAnnotatedType)typetree).underlyingType; |
|
369 |
} else { |
|
370 |
Assert.error("Could not determine array type from type tree: " + typetree); |
|
371 |
return null; |
|
372 |
} |
|
373 |
} |
|
374 |
||
375 |
/** Return a copy of the first type that only differs by |
|
376 |
* inserting the annotations to the left-most/inner-most type |
|
377 |
* or the type given by stopAt. |
|
378 |
* |
|
379 |
* We need the stopAt parameter to know where on a type to |
|
380 |
* put the annotations. |
|
381 |
* If we have nested classes Outer > Middle > Inner, and we |
|
382 |
* have the source type "@A Middle.Inner", we will invoke |
|
383 |
* this method with type = Outer.Middle.Inner, |
|
384 |
* stopAt = Middle.Inner, and annotations = @A. |
|
385 |
* |
|
386 |
* @param type The type to copy. |
|
387 |
* @param stopAt The type to stop at. |
|
388 |
* @param annotations The annotations to insert. |
|
389 |
* @return A copy of type that contains the annotations. |
|
390 |
*/ |
|
391 |
private static Type typeWithAnnotations(final Type type, |
|
392 |
final Type stopAt, |
|
393 |
final List<Attribute.TypeCompound> annotations) { |
|
394 |
Visitor<Type, List<TypeCompound>> visitor = |
|
395 |
new Type.Visitor<Type, List<Attribute.TypeCompound>>() { |
|
396 |
@Override |
|
397 |
public Type visitClassType(ClassType t, List<TypeCompound> s) { |
|
398 |
// assert that t.constValue() == null? |
|
399 |
if (t == stopAt || |
|
400 |
t.getEnclosingType() == Type.noType) { |
|
401 |
return new AnnotatedType(s, t); |
|
402 |
} else { |
|
403 |
ClassType ret = new ClassType(t.getEnclosingType().accept(this, s), |
|
404 |
t.typarams_field, t.tsym); |
|
405 |
ret.all_interfaces_field = t.all_interfaces_field; |
|
406 |
ret.allparams_field = t.allparams_field; |
|
407 |
ret.interfaces_field = t.interfaces_field; |
|
408 |
ret.rank_field = t.rank_field; |
|
409 |
ret.supertype_field = t.supertype_field; |
|
410 |
return ret; |
|
411 |
} |
|
412 |
} |
|
413 |
||
414 |
@Override |
|
415 |
public Type visitAnnotatedType(AnnotatedType t, List<TypeCompound> s) { |
|
416 |
return new AnnotatedType(t.typeAnnotations, t.underlyingType.accept(this, s)); |
|
417 |
} |
|
418 |
||
419 |
@Override |
|
420 |
public Type visitWildcardType(WildcardType t, List<TypeCompound> s) { |
|
421 |
return new AnnotatedType(s, t); |
|
422 |
} |
|
423 |
||
424 |
@Override |
|
425 |
public Type visitArrayType(ArrayType t, List<TypeCompound> s) { |
|
426 |
ArrayType ret = new ArrayType(t.elemtype.accept(this, s), t.tsym); |
|
427 |
return ret; |
|
428 |
} |
|
429 |
||
430 |
@Override |
|
431 |
public Type visitMethodType(MethodType t, List<TypeCompound> s) { |
|
432 |
// Impossible? |
|
433 |
return t; |
|
434 |
} |
|
435 |
||
436 |
@Override |
|
437 |
public Type visitPackageType(PackageType t, List<TypeCompound> s) { |
|
438 |
// Impossible? |
|
439 |
return t; |
|
440 |
} |
|
441 |
||
442 |
@Override |
|
443 |
public Type visitTypeVar(TypeVar t, List<TypeCompound> s) { |
|
444 |
return new AnnotatedType(s, t); |
|
445 |
} |
|
446 |
||
447 |
@Override |
|
448 |
public Type visitCapturedType(CapturedType t, List<TypeCompound> s) { |
|
449 |
return new AnnotatedType(s, t); |
|
450 |
} |
|
451 |
||
452 |
@Override |
|
453 |
public Type visitForAll(ForAll t, List<TypeCompound> s) { |
|
454 |
// Impossible? |
|
455 |
return t; |
|
456 |
} |
|
457 |
||
458 |
@Override |
|
459 |
public Type visitUndetVar(UndetVar t, List<TypeCompound> s) { |
|
460 |
// Impossible? |
|
461 |
return t; |
|
462 |
} |
|
463 |
||
464 |
@Override |
|
465 |
public Type visitErrorType(ErrorType t, List<TypeCompound> s) { |
|
466 |
return new AnnotatedType(s, t); |
|
467 |
} |
|
468 |
||
469 |
@Override |
|
470 |
public Type visitType(Type t, List<TypeCompound> s) { |
|
15718 | 471 |
return new AnnotatedType(s, t); |
15385 | 472 |
} |
473 |
}; |
|
474 |
||
475 |
return type.accept(visitor, annotations); |
|
476 |
} |
|
477 |
||
478 |
private static Attribute.TypeCompound toTypeCompound(Attribute.Compound a, TypeAnnotationPosition p) { |
|
479 |
// It is safe to alias the position. |
|
480 |
return new Attribute.TypeCompound(a, p); |
|
481 |
} |
|
482 |
||
483 |
private AnnotationType annotationType(Attribute.Compound a, Symbol s) { |
|
484 |
Attribute.Compound atTarget = |
|
485 |
a.type.tsym.attribute(syms.annotationTargetType.tsym); |
|
486 |
if (atTarget == null) { |
|
487 |
return inferTargetMetaInfo(a, s); |
|
488 |
} |
|
489 |
Attribute atValue = atTarget.member(names.value); |
|
490 |
if (!(atValue instanceof Attribute.Array)) { |
|
491 |
Assert.error("annotationType(): bad @Target argument " + atValue + |
|
492 |
" (" + atValue.getClass() + ")"); |
|
493 |
return AnnotationType.DECLARATION; // error recovery |
|
494 |
} |
|
495 |
Attribute.Array arr = (Attribute.Array) atValue; |
|
496 |
boolean isDecl = false, isType = false; |
|
497 |
for (Attribute app : arr.values) { |
|
498 |
if (!(app instanceof Attribute.Enum)) { |
|
499 |
Assert.error("annotationType(): unrecognized Attribute kind " + app + |
|
500 |
" (" + app.getClass() + ")"); |
|
501 |
isDecl = true; |
|
502 |
continue; |
|
503 |
} |
|
504 |
Attribute.Enum e = (Attribute.Enum) app; |
|
505 |
if (e.value.name == names.TYPE) { |
|
506 |
if (s.kind == Kinds.TYP) |
|
507 |
isDecl = true; |
|
508 |
} else if (e.value.name == names.FIELD) { |
|
509 |
if (s.kind == Kinds.VAR && |
|
510 |
s.owner.kind != Kinds.MTH) |
|
511 |
isDecl = true; |
|
512 |
} else if (e.value.name == names.METHOD) { |
|
513 |
if (s.kind == Kinds.MTH && |
|
514 |
!s.isConstructor()) |
|
515 |
isDecl = true; |
|
516 |
} else if (e.value.name == names.PARAMETER) { |
|
517 |
if (s.kind == Kinds.VAR && |
|
518 |
s.owner.kind == Kinds.MTH && |
|
519 |
(s.flags() & Flags.PARAMETER) != 0) |
|
520 |
isDecl = true; |
|
521 |
} else if (e.value.name == names.CONSTRUCTOR) { |
|
522 |
if (s.kind == Kinds.MTH && |
|
523 |
s.isConstructor()) |
|
524 |
isDecl = true; |
|
525 |
} else if (e.value.name == names.LOCAL_VARIABLE) { |
|
526 |
if (s.kind == Kinds.VAR && |
|
527 |
s.owner.kind == Kinds.MTH && |
|
528 |
(s.flags() & Flags.PARAMETER) == 0) |
|
529 |
isDecl = true; |
|
530 |
} else if (e.value.name == names.ANNOTATION_TYPE) { |
|
531 |
if (s.kind == Kinds.TYP && |
|
532 |
(s.flags() & Flags.ANNOTATION) != 0) |
|
533 |
isDecl = true; |
|
534 |
} else if (e.value.name == names.PACKAGE) { |
|
535 |
if (s.kind == Kinds.PCK) |
|
536 |
isDecl = true; |
|
537 |
} else if (e.value.name == names.TYPE_USE) { |
|
538 |
if (s.kind == Kinds.TYP || |
|
539 |
s.kind == Kinds.VAR || |
|
540 |
(s.kind == Kinds.MTH && !s.isConstructor() && |
|
541 |
!s.type.getReturnType().hasTag(TypeTag.VOID)) || |
|
542 |
(s.kind == Kinds.MTH && s.isConstructor())) |
|
543 |
isType = true; |
|
544 |
} else if (e.value.name == names.TYPE_PARAMETER) { |
|
545 |
/* Irrelevant in this case */ |
|
546 |
// TYPE_PARAMETER doesn't aid in distinguishing between |
|
547 |
// Type annotations and declaration annotations on an |
|
548 |
// Element |
|
549 |
} else { |
|
550 |
Assert.error("annotationType(): unrecognized Attribute name " + e.value.name + |
|
551 |
" (" + e.value.name.getClass() + ")"); |
|
552 |
isDecl = true; |
|
553 |
} |
|
554 |
} |
|
555 |
if (isDecl && isType) { |
|
556 |
return AnnotationType.BOTH; |
|
557 |
} else if (isType) { |
|
558 |
return AnnotationType.TYPE; |
|
559 |
} else { |
|
560 |
return AnnotationType.DECLARATION; |
|
561 |
} |
|
562 |
} |
|
563 |
||
564 |
/** Infer the target annotation kind, if none is give. |
|
565 |
* We only infer declaration annotations. |
|
566 |
*/ |
|
567 |
private static AnnotationType inferTargetMetaInfo(Attribute.Compound a, Symbol s) { |
|
568 |
return AnnotationType.DECLARATION; |
|
569 |
} |
|
570 |
||
571 |
||
572 |
/* This is the beginning of the second part of organizing |
|
573 |
* type annotations: determine the type annotation positions. |
|
574 |
*/ |
|
575 |
||
576 |
private void resolveFrame(JCTree tree, JCTree frame, |
|
577 |
List<JCTree> path, TypeAnnotationPosition p) { |
|
578 |
/* |
|
579 |
System.out.println("Resolving tree: " + tree + " kind: " + tree.getKind()); |
|
580 |
System.out.println(" Framing tree: " + frame + " kind: " + frame.getKind()); |
|
581 |
*/ |
|
15718 | 582 |
|
583 |
// Note that p.offset is set in |
|
584 |
// com.sun.tools.javac.jvm.Gen.setTypeAnnotationPositions(int) |
|
585 |
||
15385 | 586 |
switch (frame.getKind()) { |
587 |
case TYPE_CAST: |
|
588 |
p.type = TargetType.CAST; |
|
589 |
p.pos = frame.pos; |
|
590 |
return; |
|
591 |
||
592 |
case INSTANCE_OF: |
|
593 |
p.type = TargetType.INSTANCEOF; |
|
594 |
p.pos = frame.pos; |
|
595 |
return; |
|
596 |
||
597 |
case NEW_CLASS: |
|
598 |
JCNewClass frameNewClass = (JCNewClass)frame; |
|
599 |
if (frameNewClass.typeargs.contains(tree)) { |
|
600 |
p.type = TargetType.CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT; |
|
601 |
p.type_index = frameNewClass.typeargs.indexOf(tree); |
|
602 |
} else { |
|
603 |
p.type = TargetType.NEW; |
|
604 |
} |
|
605 |
p.pos = frame.pos; |
|
606 |
return; |
|
607 |
||
608 |
case NEW_ARRAY: |
|
609 |
p.type = TargetType.NEW; |
|
610 |
p.pos = frame.pos; |
|
611 |
return; |
|
612 |
||
613 |
case ANNOTATION_TYPE: |
|
614 |
case CLASS: |
|
615 |
case ENUM: |
|
616 |
case INTERFACE: |
|
617 |
p.pos = frame.pos; |
|
618 |
if (((JCClassDecl)frame).extending == tree) { |
|
619 |
p.type = TargetType.CLASS_EXTENDS; |
|
620 |
p.type_index = -1; |
|
621 |
} else if (((JCClassDecl)frame).implementing.contains(tree)) { |
|
622 |
p.type = TargetType.CLASS_EXTENDS; |
|
623 |
p.type_index = ((JCClassDecl)frame).implementing.indexOf(tree); |
|
624 |
} else if (((JCClassDecl)frame).typarams.contains(tree)) { |
|
625 |
p.type = TargetType.CLASS_TYPE_PARAMETER; |
|
626 |
p.parameter_index = ((JCClassDecl)frame).typarams.indexOf(tree); |
|
627 |
} else { |
|
628 |
Assert.error("Could not determine position of tree " + tree + |
|
629 |
" within frame " + frame); |
|
630 |
} |
|
631 |
return; |
|
632 |
||
633 |
case METHOD: { |
|
634 |
JCMethodDecl frameMethod = (JCMethodDecl) frame; |
|
635 |
p.pos = frame.pos; |
|
636 |
if (frameMethod.thrown.contains(tree)) { |
|
637 |
p.type = TargetType.THROWS; |
|
638 |
p.type_index = frameMethod.thrown.indexOf(tree); |
|
639 |
} else if (frameMethod.restype == tree) { |
|
640 |
p.type = TargetType.METHOD_RETURN; |
|
641 |
} else if (frameMethod.typarams.contains(tree)) { |
|
642 |
p.type = TargetType.METHOD_TYPE_PARAMETER; |
|
643 |
p.parameter_index = frameMethod.typarams.indexOf(tree); |
|
644 |
} else { |
|
645 |
Assert.error("Could not determine position of tree " + tree + |
|
646 |
" within frame " + frame); |
|
647 |
} |
|
648 |
return; |
|
649 |
} |
|
650 |
||
651 |
case PARAMETERIZED_TYPE: { |
|
652 |
if (((JCTypeApply)frame).clazz == tree) { |
|
653 |
// generic: RAW; noop |
|
654 |
} else if (((JCTypeApply)frame).arguments.contains(tree)) { |
|
655 |
JCTypeApply taframe = (JCTypeApply) frame; |
|
656 |
int arg = taframe.arguments.indexOf(tree); |
|
657 |
p.location = p.location.prepend(new TypePathEntry(TypePathEntryKind.TYPE_ARGUMENT, arg)); |
|
658 |
||
659 |
locateNestedTypes(taframe.type, p); |
|
660 |
} else { |
|
661 |
Assert.error("Could not determine type argument position of tree " + tree + |
|
662 |
" within frame " + frame); |
|
663 |
} |
|
664 |
||
665 |
List<JCTree> newPath = path.tail; |
|
666 |
resolveFrame(newPath.head, newPath.tail.head, newPath, p); |
|
667 |
return; |
|
668 |
} |
|
669 |
||
15718 | 670 |
case MEMBER_REFERENCE: { |
671 |
JCMemberReference mrframe = (JCMemberReference) frame; |
|
672 |
||
673 |
if (mrframe.expr == tree) { |
|
674 |
switch (mrframe.mode) { |
|
675 |
case INVOKE: |
|
676 |
p.type = TargetType.METHOD_REFERENCE; |
|
677 |
break; |
|
678 |
case NEW: |
|
679 |
p.type = TargetType.CONSTRUCTOR_REFERENCE; |
|
680 |
break; |
|
681 |
default: |
|
682 |
Assert.error("Unknown method reference mode " + mrframe.mode + |
|
683 |
" for tree " + tree + " within frame " + frame); |
|
684 |
} |
|
685 |
p.pos = frame.pos; |
|
686 |
} else if (mrframe.typeargs != null && |
|
687 |
mrframe.typeargs.contains(tree)) { |
|
688 |
int arg = mrframe.typeargs.indexOf(tree); |
|
689 |
p.type_index = arg; |
|
690 |
switch (mrframe.mode) { |
|
691 |
case INVOKE: |
|
692 |
p.type = TargetType.METHOD_REFERENCE_TYPE_ARGUMENT; |
|
693 |
break; |
|
694 |
case NEW: |
|
695 |
p.type = TargetType.CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT; |
|
696 |
break; |
|
697 |
default: |
|
698 |
Assert.error("Unknown method reference mode " + mrframe.mode + |
|
699 |
" for tree " + tree + " within frame " + frame); |
|
700 |
} |
|
701 |
p.pos = frame.pos; |
|
702 |
} else { |
|
703 |
Assert.error("Could not determine type argument position of tree " + tree + |
|
704 |
" within frame " + frame); |
|
705 |
} |
|
706 |
return; |
|
707 |
} |
|
708 |
||
15385 | 709 |
case ARRAY_TYPE: { |
710 |
ListBuffer<TypePathEntry> index = ListBuffer.lb(); |
|
711 |
index = index.append(TypePathEntry.ARRAY); |
|
712 |
List<JCTree> newPath = path.tail; |
|
713 |
while (true) { |
|
714 |
JCTree npHead = newPath.tail.head; |
|
715 |
if (npHead.hasTag(JCTree.Tag.TYPEARRAY)) { |
|
716 |
newPath = newPath.tail; |
|
717 |
index = index.append(TypePathEntry.ARRAY); |
|
718 |
} else if (npHead.hasTag(JCTree.Tag.ANNOTATED_TYPE)) { |
|
719 |
newPath = newPath.tail; |
|
720 |
} else { |
|
721 |
break; |
|
722 |
} |
|
723 |
} |
|
724 |
p.location = p.location.prependList(index.toList()); |
|
725 |
resolveFrame(newPath.head, newPath.tail.head, newPath, p); |
|
726 |
return; |
|
727 |
} |
|
728 |
||
729 |
case TYPE_PARAMETER: |
|
730 |
if (path.tail.tail.head.hasTag(JCTree.Tag.CLASSDEF)) { |
|
731 |
JCClassDecl clazz = (JCClassDecl)path.tail.tail.head; |
|
732 |
p.type = TargetType.CLASS_TYPE_PARAMETER_BOUND; |
|
733 |
p.parameter_index = clazz.typarams.indexOf(path.tail.head); |
|
734 |
p.bound_index = ((JCTypeParameter)frame).bounds.indexOf(tree); |
|
735 |
if (((JCTypeParameter)frame).bounds.get(0).type.isInterface()) { |
|
736 |
// Account for an implicit Object as bound 0 |
|
737 |
p.bound_index += 1; |
|
738 |
} |
|
739 |
} else if (path.tail.tail.head.hasTag(JCTree.Tag.METHODDEF)) { |
|
740 |
JCMethodDecl method = (JCMethodDecl)path.tail.tail.head; |
|
741 |
p.type = TargetType.METHOD_TYPE_PARAMETER_BOUND; |
|
742 |
p.parameter_index = method.typarams.indexOf(path.tail.head); |
|
743 |
p.bound_index = ((JCTypeParameter)frame).bounds.indexOf(tree); |
|
744 |
if (((JCTypeParameter)frame).bounds.get(0).type.isInterface()) { |
|
745 |
// Account for an implicit Object as bound 0 |
|
746 |
p.bound_index += 1; |
|
747 |
} |
|
748 |
} else { |
|
749 |
Assert.error("Could not determine position of tree " + tree + |
|
750 |
" within frame " + frame); |
|
751 |
} |
|
752 |
p.pos = frame.pos; |
|
753 |
return; |
|
754 |
||
755 |
case VARIABLE: |
|
756 |
VarSymbol v = ((JCVariableDecl)frame).sym; |
|
757 |
p.pos = frame.pos; |
|
758 |
switch (v.getKind()) { |
|
759 |
case LOCAL_VARIABLE: |
|
760 |
p.type = TargetType.LOCAL_VARIABLE; |
|
761 |
break; |
|
762 |
case FIELD: |
|
763 |
p.type = TargetType.FIELD; |
|
764 |
break; |
|
765 |
case PARAMETER: |
|
766 |
if (v.getQualifiedName().equals(names._this)) { |
|
767 |
// TODO: Intro a separate ElementKind? |
|
768 |
p.type = TargetType.METHOD_RECEIVER; |
|
769 |
} else { |
|
770 |
p.type = TargetType.METHOD_FORMAL_PARAMETER; |
|
771 |
p.parameter_index = methodParamIndex(path, frame); |
|
772 |
} |
|
773 |
break; |
|
774 |
case EXCEPTION_PARAMETER: |
|
775 |
p.type = TargetType.EXCEPTION_PARAMETER; |
|
776 |
break; |
|
777 |
case RESOURCE_VARIABLE: |
|
778 |
p.type = TargetType.RESOURCE_VARIABLE; |
|
779 |
break; |
|
780 |
default: |
|
781 |
Assert.error("Found unexpected type annotation for variable: " + v + " with kind: " + v.getKind()); |
|
782 |
} |
|
783 |
return; |
|
784 |
||
785 |
case ANNOTATED_TYPE: { |
|
786 |
if (frame == tree) { |
|
787 |
// This is only true for the first annotated type we see. |
|
788 |
// For any other annotated types along the path, we do |
|
789 |
// not care about inner types. |
|
790 |
JCAnnotatedType atypetree = (JCAnnotatedType) frame; |
|
791 |
final Type utype = atypetree.underlyingType.type; |
|
792 |
Symbol tsym = utype.tsym; |
|
793 |
if (tsym.getKind().equals(ElementKind.TYPE_PARAMETER) || |
|
794 |
utype.getKind().equals(TypeKind.WILDCARD) || |
|
795 |
utype.getKind().equals(TypeKind.ARRAY)) { |
|
796 |
// Type parameters, wildcards, and arrays have the declaring |
|
797 |
// class/method as enclosing elements. |
|
798 |
// There is actually nothing to do for them. |
|
799 |
} else { |
|
800 |
locateNestedTypes(utype, p); |
|
801 |
} |
|
802 |
} |
|
803 |
List<JCTree> newPath = path.tail; |
|
804 |
resolveFrame(newPath.head, newPath.tail.head, newPath, p); |
|
805 |
return; |
|
806 |
} |
|
807 |
||
808 |
case UNION_TYPE: { |
|
809 |
// TODO: can we store any information here to help in |
|
810 |
// determining the final position? |
|
811 |
List<JCTree> newPath = path.tail; |
|
812 |
resolveFrame(newPath.head, newPath.tail.head, newPath, p); |
|
813 |
return; |
|
814 |
} |
|
815 |
||
15718 | 816 |
case INTERSECTION_TYPE: { |
817 |
JCTypeIntersection isect = (JCTypeIntersection)frame; |
|
818 |
p.type_index = isect.bounds.indexOf(tree); |
|
819 |
List<JCTree> newPath = path.tail; |
|
820 |
resolveFrame(newPath.head, newPath.tail.head, newPath, p); |
|
821 |
return; |
|
822 |
} |
|
823 |
||
15385 | 824 |
case METHOD_INVOCATION: { |
825 |
JCMethodInvocation invocation = (JCMethodInvocation)frame; |
|
826 |
if (!invocation.typeargs.contains(tree)) { |
|
827 |
Assert.error("{" + tree + "} is not an argument in the invocation: " + invocation); |
|
828 |
} |
|
829 |
p.type = TargetType.METHOD_INVOCATION_TYPE_ARGUMENT; |
|
830 |
p.pos = invocation.pos; |
|
831 |
p.type_index = invocation.typeargs.indexOf(tree); |
|
832 |
return; |
|
833 |
} |
|
834 |
||
835 |
case EXTENDS_WILDCARD: |
|
836 |
case SUPER_WILDCARD: { |
|
837 |
// Annotations in wildcard bounds |
|
838 |
p.location = p.location.prepend(TypePathEntry.WILDCARD); |
|
839 |
List<JCTree> newPath = path.tail; |
|
840 |
resolveFrame(newPath.head, newPath.tail.head, newPath, p); |
|
841 |
return; |
|
842 |
} |
|
843 |
||
844 |
case MEMBER_SELECT: { |
|
845 |
List<JCTree> newPath = path.tail; |
|
846 |
resolveFrame(newPath.head, newPath.tail.head, newPath, p); |
|
847 |
return; |
|
848 |
} |
|
849 |
||
850 |
default: |
|
851 |
Assert.error("Unresolved frame: " + frame + " of kind: " + frame.getKind() + |
|
852 |
"\n Looking for tree: " + tree); |
|
853 |
return; |
|
854 |
} |
|
855 |
} |
|
856 |
||
857 |
private static void locateNestedTypes(Type type, TypeAnnotationPosition p) { |
|
858 |
// The number of "steps" to get from the full type to the |
|
859 |
// left-most outer type. |
|
860 |
ListBuffer<TypePathEntry> depth = ListBuffer.lb(); |
|
861 |
||
862 |
Type encl = type.getEnclosingType(); |
|
863 |
while (encl != null && |
|
864 |
encl.getKind() != TypeKind.NONE && |
|
865 |
encl.getKind() != TypeKind.ERROR) { |
|
866 |
depth = depth.append(TypePathEntry.INNER_TYPE); |
|
867 |
encl = encl.getEnclosingType(); |
|
868 |
} |
|
869 |
if (depth.nonEmpty()) { |
|
870 |
p.location = p.location.prependList(depth.toList()); |
|
871 |
} |
|
872 |
} |
|
873 |
||
874 |
private static int methodParamIndex(List<JCTree> path, JCTree param) { |
|
875 |
List<JCTree> curr = path; |
|
876 |
while (curr.head.getTag() != Tag.METHODDEF) { |
|
877 |
curr = curr.tail; |
|
878 |
} |
|
879 |
JCMethodDecl method = (JCMethodDecl)curr.head; |
|
880 |
return method.params.indexOf(param); |
|
881 |
} |
|
882 |
||
883 |
// Each class (including enclosed inner classes) is visited separately. |
|
884 |
// This flag is used to prevent from visiting inner classes. |
|
885 |
private boolean isInClass = false; |
|
886 |
||
887 |
@Override |
|
888 |
public void visitClassDef(JCClassDecl tree) { |
|
889 |
if (isInClass) |
|
890 |
return; |
|
891 |
isInClass = true; |
|
892 |
if (sigOnly) { |
|
893 |
scan(tree.mods); |
|
894 |
scan(tree.typarams); |
|
895 |
scan(tree.extending); |
|
896 |
scan(tree.implementing); |
|
897 |
} |
|
898 |
scan(tree.defs); |
|
899 |
} |
|
900 |
||
901 |
/** |
|
902 |
* Resolve declaration vs. type annotations in methods and |
|
903 |
* then determine the positions. |
|
904 |
*/ |
|
905 |
@Override |
|
906 |
public void visitMethodDef(final JCMethodDecl tree) { |
|
907 |
if (tree.sym == null) { |
|
908 |
// Something most be wrong, e.g. a class not found. |
|
909 |
// Quietly ignore. (See test FailOver15.java) |
|
910 |
return; |
|
911 |
} |
|
912 |
if (sigOnly) { |
|
913 |
{ |
|
914 |
TypeAnnotationPosition pos = new TypeAnnotationPosition(); |
|
915 |
pos.type = TargetType.METHOD_RETURN; |
|
916 |
if (tree.sym.isConstructor()) { |
|
917 |
pos.pos = tree.pos; |
|
918 |
// Use null to mark that the annotations go with the symbol. |
|
919 |
separateAnnotationsKinds(tree, null, tree.sym, pos); |
|
920 |
} else { |
|
921 |
pos.pos = tree.restype.pos; |
|
922 |
separateAnnotationsKinds(tree.restype, tree.sym.type.getReturnType(), |
|
923 |
tree.sym, pos); |
|
924 |
} |
|
925 |
} |
|
926 |
if (tree.recvparam != null && tree.recvparam.sym != null) { |
|
927 |
// TODO: make sure there are no declaration annotations. |
|
928 |
TypeAnnotationPosition pos = new TypeAnnotationPosition(); |
|
929 |
pos.type = TargetType.METHOD_RECEIVER; |
|
930 |
pos.pos = tree.recvparam.vartype.pos; |
|
931 |
separateAnnotationsKinds(tree.recvparam.vartype, tree.recvparam.sym.type, |
|
932 |
tree.recvparam.sym, pos); |
|
933 |
} |
|
934 |
int i = 0; |
|
935 |
for (JCVariableDecl param : tree.params) { |
|
936 |
TypeAnnotationPosition pos = new TypeAnnotationPosition(); |
|
937 |
pos.type = TargetType.METHOD_FORMAL_PARAMETER; |
|
938 |
pos.parameter_index = i; |
|
939 |
pos.pos = param.vartype.pos; |
|
940 |
separateAnnotationsKinds(param.vartype, param.sym.type, param.sym, pos); |
|
941 |
++i; |
|
942 |
} |
|
943 |
} |
|
944 |
||
945 |
push(tree); |
|
946 |
// super.visitMethodDef(tree); |
|
947 |
if (sigOnly) { |
|
948 |
scan(tree.mods); |
|
949 |
scan(tree.restype); |
|
950 |
scan(tree.typarams); |
|
951 |
scan(tree.recvparam); |
|
952 |
scan(tree.params); |
|
953 |
scan(tree.thrown); |
|
954 |
} else { |
|
955 |
scan(tree.defaultValue); |
|
956 |
scan(tree.body); |
|
957 |
} |
|
958 |
pop(); |
|
959 |
} |
|
960 |
||
961 |
/** |
|
962 |
* Resolve declaration vs. type annotations in variable declarations and |
|
963 |
* then determine the positions. |
|
964 |
*/ |
|
965 |
@Override |
|
966 |
public void visitVarDef(final JCVariableDecl tree) { |
|
967 |
if (tree.sym == null) { |
|
968 |
// Something is wrong already. Quietly ignore. |
|
15718 | 969 |
} else if (tree.sym.getKind() == ElementKind.PARAMETER) { |
970 |
// Parameters are handled in visitMethodDef above. |
|
15385 | 971 |
} else if (tree.sym.getKind() == ElementKind.FIELD) { |
972 |
if (sigOnly) { |
|
973 |
TypeAnnotationPosition pos = new TypeAnnotationPosition(); |
|
974 |
pos.type = TargetType.FIELD; |
|
975 |
pos.pos = tree.pos; |
|
976 |
separateAnnotationsKinds(tree.vartype, tree.sym.type, tree.sym, pos); |
|
977 |
} |
|
978 |
} else if (tree.sym.getKind() == ElementKind.LOCAL_VARIABLE) { |
|
979 |
TypeAnnotationPosition pos = new TypeAnnotationPosition(); |
|
980 |
pos.type = TargetType.LOCAL_VARIABLE; |
|
981 |
pos.pos = tree.pos; |
|
982 |
separateAnnotationsKinds(tree.vartype, tree.sym.type, tree.sym, pos); |
|
983 |
} else if (tree.sym.getKind() == ElementKind.EXCEPTION_PARAMETER) { |
|
984 |
TypeAnnotationPosition pos = new TypeAnnotationPosition(); |
|
985 |
pos.type = TargetType.EXCEPTION_PARAMETER; |
|
986 |
pos.pos = tree.pos; |
|
987 |
separateAnnotationsKinds(tree.vartype, tree.sym.type, tree.sym, pos); |
|
988 |
} else if (tree.sym.getKind() == ElementKind.RESOURCE_VARIABLE) { |
|
989 |
TypeAnnotationPosition pos = new TypeAnnotationPosition(); |
|
990 |
pos.type = TargetType.RESOURCE_VARIABLE; |
|
991 |
pos.pos = tree.pos; |
|
992 |
separateAnnotationsKinds(tree.vartype, tree.sym.type, tree.sym, pos); |
|
15718 | 993 |
} else if (tree.sym.getKind() == ElementKind.ENUM_CONSTANT) { |
994 |
// No type annotations can occur here. |
|
15385 | 995 |
} else { |
996 |
// There is nothing else in a variable declaration that needs separation. |
|
15718 | 997 |
Assert.error("Unhandled variable kind: " + tree + " of kind: " + tree.sym.getKind()); |
15385 | 998 |
} |
999 |
||
1000 |
push(tree); |
|
1001 |
// super.visitVarDef(tree); |
|
1002 |
scan(tree.mods); |
|
1003 |
scan(tree.vartype); |
|
1004 |
if (!sigOnly) { |
|
1005 |
scan(tree.init); |
|
1006 |
} |
|
1007 |
pop(); |
|
1008 |
} |
|
1009 |
||
1010 |
@Override |
|
1011 |
public void visitBlock(JCBlock tree) { |
|
1012 |
// Do not descend into top-level blocks when only interested |
|
1013 |
// in the signature. |
|
1014 |
if (!sigOnly) { |
|
1015 |
scan(tree.stats); |
|
1016 |
} |
|
1017 |
} |
|
1018 |
||
1019 |
@Override |
|
1020 |
public void visitAnnotatedType(JCAnnotatedType tree) { |
|
1021 |
push(tree); |
|
1022 |
findPosition(tree, tree, tree.annotations); |
|
1023 |
pop(); |
|
1024 |
super.visitAnnotatedType(tree); |
|
1025 |
} |
|
1026 |
||
1027 |
@Override |
|
1028 |
public void visitTypeParameter(JCTypeParameter tree) { |
|
1029 |
findPosition(tree, peek2(), tree.annotations); |
|
1030 |
super.visitTypeParameter(tree); |
|
1031 |
} |
|
1032 |
||
1033 |
@Override |
|
1034 |
public void visitNewArray(JCNewArray tree) { |
|
1035 |
findPosition(tree, tree, tree.annotations); |
|
1036 |
int dimAnnosCount = tree.dimAnnotations.size(); |
|
1037 |
ListBuffer<TypePathEntry> depth = ListBuffer.lb(); |
|
1038 |
||
1039 |
// handle annotations associated with dimensions |
|
1040 |
for (int i = 0; i < dimAnnosCount; ++i) { |
|
1041 |
TypeAnnotationPosition p = new TypeAnnotationPosition(); |
|
1042 |
p.pos = tree.pos; |
|
1043 |
p.type = TargetType.NEW; |
|
1044 |
if (i != 0) { |
|
1045 |
depth = depth.append(TypePathEntry.ARRAY); |
|
1046 |
p.location = p.location.appendList(depth.toList()); |
|
1047 |
} |
|
1048 |
||
1049 |
setTypeAnnotationPos(tree.dimAnnotations.get(i), p); |
|
1050 |
} |
|
1051 |
||
1052 |
// handle "free" annotations |
|
1053 |
// int i = dimAnnosCount == 0 ? 0 : dimAnnosCount - 1; |
|
1054 |
// TODO: is depth.size == i here? |
|
1055 |
JCExpression elemType = tree.elemtype; |
|
1056 |
while (elemType != null) { |
|
1057 |
if (elemType.hasTag(JCTree.Tag.ANNOTATED_TYPE)) { |
|
1058 |
JCAnnotatedType at = (JCAnnotatedType)elemType; |
|
1059 |
TypeAnnotationPosition p = new TypeAnnotationPosition(); |
|
1060 |
p.type = TargetType.NEW; |
|
1061 |
p.pos = tree.pos; |
|
1062 |
p.location = p.location.appendList(depth.toList()); |
|
1063 |
setTypeAnnotationPos(at.annotations, p); |
|
1064 |
elemType = at.underlyingType; |
|
1065 |
} else if (elemType.hasTag(JCTree.Tag.TYPEARRAY)) { |
|
1066 |
depth = depth.append(TypePathEntry.ARRAY); |
|
1067 |
elemType = ((JCArrayTypeTree)elemType).elemtype; |
|
1068 |
} else { |
|
1069 |
break; |
|
1070 |
} |
|
1071 |
} |
|
1072 |
scan(tree.elems); |
|
1073 |
} |
|
1074 |
||
1075 |
private void findPosition(JCTree tree, JCTree frame, List<JCAnnotation> annotations) { |
|
1076 |
if (!annotations.isEmpty()) { |
|
1077 |
/* |
|
1078 |
System.out.println("Finding pos for: " + annotations); |
|
1079 |
System.out.println(" tree: " + tree); |
|
1080 |
System.out.println(" frame: " + frame); |
|
1081 |
*/ |
|
1082 |
TypeAnnotationPosition p = new TypeAnnotationPosition(); |
|
1083 |
resolveFrame(tree, frame, frames.toList(), p); |
|
1084 |
setTypeAnnotationPos(annotations, p); |
|
1085 |
} |
|
1086 |
} |
|
1087 |
||
1088 |
private static void setTypeAnnotationPos(List<JCAnnotation> annotations, |
|
1089 |
TypeAnnotationPosition position) { |
|
1090 |
for (JCAnnotation anno : annotations) { |
|
1091 |
((Attribute.TypeCompound) anno.attribute).position = position; |
|
1092 |
} |
|
1093 |
} |
|
1094 |
} |
|
1095 |
} |