Mon, 25 Apr 2011 15:50:30 -0700
7039019: test cannot run standalone
Reviewed-by: dlsmith
jjg@900 | 1 | /* |
jjg@900 | 2 | * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. |
jjg@900 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
jjg@900 | 4 | * |
jjg@900 | 5 | * This code is free software; you can redistribute it and/or modify it |
jjg@900 | 6 | * under the terms of the GNU General Public License version 2 only, as |
jjg@900 | 7 | * published by the Free Software Foundation. |
jjg@900 | 8 | * |
jjg@900 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
jjg@900 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
jjg@900 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
jjg@900 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
jjg@900 | 13 | * accompanied this code). |
jjg@900 | 14 | * |
jjg@900 | 15 | * You should have received a copy of the GNU General Public License version |
jjg@900 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
jjg@900 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
jjg@900 | 18 | * |
jjg@900 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
jjg@900 | 20 | * or visit www.oracle.com if you need additional information or have any |
jjg@900 | 21 | * questions. |
jjg@900 | 22 | */ |
jjg@900 | 23 | |
jjg@900 | 24 | /* |
jjg@900 | 25 | * @test |
jjg@900 | 26 | * @bug 7021183 |
jjg@900 | 27 | * @summary 269: assertion failure getting enclosing element of an undefined name |
jjg@900 | 28 | */ |
jjg@900 | 29 | |
jjg@900 | 30 | import java.lang.reflect.Field; |
jjg@900 | 31 | import javax.lang.model.element.Element; |
jjg@900 | 32 | import javax.lang.model.element.ExecutableElement; |
jjg@900 | 33 | import javax.lang.model.element.PackageElement; |
jjg@900 | 34 | import javax.lang.model.element.TypeElement; |
jjg@900 | 35 | import javax.lang.model.element.TypeParameterElement; |
jjg@900 | 36 | import javax.lang.model.element.UnknownElementException; |
jjg@900 | 37 | import javax.lang.model.element.VariableElement; |
jjg@900 | 38 | import javax.lang.model.type.TypeMirror; |
jjg@900 | 39 | import javax.lang.model.type.UnknownTypeException; |
jjg@900 | 40 | import javax.lang.model.util.ElementScanner7; |
jjg@900 | 41 | import javax.lang.model.util.SimpleTypeVisitor7; |
jjg@900 | 42 | import javax.lang.model.util.Types; |
jjg@900 | 43 | |
jjg@900 | 44 | import com.sun.tools.javac.code.Symbol.ClassSymbol; |
jjg@900 | 45 | import com.sun.tools.javac.code.Symtab; |
jjg@900 | 46 | import com.sun.tools.javac.file.JavacFileManager; |
jjg@983 | 47 | import com.sun.tools.javac.main.JavaCompiler; |
jjg@900 | 48 | import com.sun.tools.javac.model.JavacTypes; |
jjg@900 | 49 | import com.sun.tools.javac.util.Context; |
jjg@900 | 50 | |
jjg@900 | 51 | /** |
jjg@900 | 52 | * Scan javac Symtab looking for TypeMirrors and Elements, and ensure that |
jjg@900 | 53 | * no exceptions are thrown when used with javax.lang.model visitors. |
jjg@900 | 54 | * |
jjg@900 | 55 | */ |
jjg@900 | 56 | public class TestSymtabItems { |
jjg@900 | 57 | public static void main(String... args) throws Exception { |
jjg@900 | 58 | new TestSymtabItems().run(); |
jjg@900 | 59 | } |
jjg@900 | 60 | |
jjg@900 | 61 | void run() throws Exception { |
jjg@900 | 62 | Context c = new Context(); |
jjg@900 | 63 | JavacFileManager.preRegister(c); |
jjg@900 | 64 | Symtab syms = Symtab.instance(c); |
jjg@900 | 65 | JavacTypes types = JavacTypes.instance(c); |
jjg@983 | 66 | JavaCompiler.instance(c); // will init ClassReader.sourceCompleter |
jjg@900 | 67 | |
jjg@900 | 68 | // print("noSymbol", syms.noSymbol); |
jjg@900 | 69 | // print("errSymbol", syms.errSymbol); |
jjg@900 | 70 | // print("unknownSymbol", syms.unknownSymbol); |
jjg@900 | 71 | // print("botType", syms.botType); |
jjg@900 | 72 | // print("errType", syms.errType); |
jjg@900 | 73 | // print("unknownType", syms.unknownType); |
jjg@900 | 74 | |
jjg@900 | 75 | for (Field f: Symtab.class.getDeclaredFields()) { |
jjg@900 | 76 | // System.err.println(f.getType() + " " + f.getName()); |
jjg@900 | 77 | |
jjg@900 | 78 | // Temporarily ignore methodHandle and transientMethodHandle |
jjg@900 | 79 | // during API evolution |
jjg@900 | 80 | if (f.getName().toLowerCase().contains("methodhandle")) |
jjg@900 | 81 | continue; |
jjg@900 | 82 | |
jjg@900 | 83 | Class<?> ft = f.getType(); |
jjg@900 | 84 | if (TypeMirror.class.isAssignableFrom(ft)) |
jjg@900 | 85 | print(f.getName(), (TypeMirror) f.get(syms), types); |
jjg@900 | 86 | else if(Element.class.isAssignableFrom(ft)) |
jjg@900 | 87 | print(f.getName(), (Element) f.get(syms)); |
jjg@900 | 88 | } |
jjg@900 | 89 | |
jjg@900 | 90 | if (errors > 0) |
jjg@900 | 91 | throw new Exception(errors + " errors occurred"); |
jjg@900 | 92 | } |
jjg@900 | 93 | |
jjg@900 | 94 | void print(String label, Element e) { |
jjg@900 | 95 | ElemPrinter ep = new ElemPrinter(); |
jjg@900 | 96 | System.err.println("Test " + label); |
jjg@900 | 97 | ep.visit(e); |
jjg@900 | 98 | System.err.println(); |
jjg@900 | 99 | } |
jjg@900 | 100 | |
jjg@900 | 101 | void print(String label, TypeMirror t, Types types) { |
jjg@900 | 102 | TypePrinter tp = new TypePrinter(); |
jjg@900 | 103 | System.err.println("Test " + label); |
jjg@900 | 104 | tp.visit(t, types); |
jjg@900 | 105 | System.err.println(); |
jjg@900 | 106 | } |
jjg@900 | 107 | |
jjg@900 | 108 | void error(String msg) { |
jjg@900 | 109 | System.err.println("Error: " + msg); |
jjg@900 | 110 | errors++; |
jjg@900 | 111 | } |
jjg@900 | 112 | |
jjg@900 | 113 | int errors; |
jjg@900 | 114 | |
jjg@900 | 115 | class ElemPrinter extends ElementScanner7<Void, Void> { |
jjg@900 | 116 | @Override |
jjg@900 | 117 | public Void visitPackage(PackageElement e, Void p) { |
jjg@900 | 118 | show("package", e); |
jjg@900 | 119 | indent(+1); |
jjg@900 | 120 | super.visitPackage(e, p); |
jjg@900 | 121 | indent(-1); |
jjg@900 | 122 | return null; |
jjg@900 | 123 | } |
jjg@900 | 124 | |
jjg@900 | 125 | @Override |
jjg@900 | 126 | public Void visitType(TypeElement e, Void p) { |
jjg@900 | 127 | show("type", e); |
jjg@900 | 128 | indent(+1); |
jjg@900 | 129 | super.visitType(e, p); |
jjg@900 | 130 | indent(-1); |
jjg@900 | 131 | return null; |
jjg@900 | 132 | } |
jjg@900 | 133 | |
jjg@900 | 134 | @Override |
jjg@900 | 135 | public Void visitVariable(VariableElement e, Void p) { |
jjg@900 | 136 | show("variable", e); |
jjg@900 | 137 | indent(+1); |
jjg@900 | 138 | super.visitVariable(e, p); |
jjg@900 | 139 | indent(-1); |
jjg@900 | 140 | return null; |
jjg@900 | 141 | } |
jjg@900 | 142 | |
jjg@900 | 143 | @Override |
jjg@900 | 144 | public Void visitExecutable(ExecutableElement e, Void p) { |
jjg@900 | 145 | show("executable", e); |
jjg@900 | 146 | indent(+1); |
jjg@900 | 147 | super.visitExecutable(e, p); |
jjg@900 | 148 | indent(-1); |
jjg@900 | 149 | return null; |
jjg@900 | 150 | } |
jjg@900 | 151 | |
jjg@900 | 152 | @Override |
jjg@900 | 153 | public Void visitTypeParameter(TypeParameterElement e, Void p) { |
jjg@900 | 154 | show("type parameter", e); |
jjg@900 | 155 | indent(+1); |
jjg@900 | 156 | super.visitTypeParameter(e, p); |
jjg@900 | 157 | indent(-1); |
jjg@900 | 158 | return null; |
jjg@900 | 159 | } |
jjg@900 | 160 | |
jjg@900 | 161 | @Override |
jjg@900 | 162 | public Void visitUnknown(Element e, Void p) { |
jjg@900 | 163 | show("unknown", e); |
jjg@900 | 164 | indent(+1); |
jjg@900 | 165 | try { |
jjg@900 | 166 | super.visitUnknown(e, p); |
jjg@900 | 167 | } catch (UnknownElementException ex) { |
jjg@900 | 168 | System.err.println("caught " + ex); |
jjg@900 | 169 | } |
jjg@900 | 170 | indent(-1); |
jjg@900 | 171 | return null; |
jjg@900 | 172 | } |
jjg@900 | 173 | |
jjg@900 | 174 | void indent(int i) { |
jjg@900 | 175 | indent += i; |
jjg@900 | 176 | } |
jjg@900 | 177 | |
jjg@900 | 178 | String sp(int w) { |
jjg@900 | 179 | StringBuilder sb = new StringBuilder(); |
jjg@900 | 180 | for (int i = 0; i < w; i++) |
jjg@900 | 181 | sb.append(" "); |
jjg@900 | 182 | return sb.toString(); |
jjg@900 | 183 | } |
jjg@900 | 184 | |
jjg@900 | 185 | void show(String label, Element e) { |
jjg@900 | 186 | System.err.println(sp(indent) + label |
jjg@900 | 187 | + ": mods:" + e.getModifiers() |
jjg@900 | 188 | + " " + e.getSimpleName() |
jjg@900 | 189 | + ", kind: " + e.getKind() |
jjg@900 | 190 | + ", type: " + e.asType() |
jjg@900 | 191 | + ", encl: " + e.getEnclosingElement()); |
jjg@900 | 192 | |
jjg@900 | 193 | // The following checks help establish why NPE might occur when trying to scan children |
jjg@900 | 194 | if (e instanceof ClassSymbol) { |
jjg@900 | 195 | ClassSymbol csym = (ClassSymbol) e; |
jjg@900 | 196 | if (csym.members_field == null) |
jjg@900 | 197 | error("members_field is null"); |
jjg@900 | 198 | if (csym.type == null) |
jjg@900 | 199 | System.err.println("type is null"); |
jjg@900 | 200 | } |
jjg@900 | 201 | } |
jjg@900 | 202 | |
jjg@900 | 203 | int indent; |
jjg@900 | 204 | }; |
jjg@900 | 205 | |
jjg@900 | 206 | class TypePrinter extends SimpleTypeVisitor7<Void, Types> { |
jjg@900 | 207 | @Override |
jjg@900 | 208 | public Void defaultAction(TypeMirror m, Types types) { |
jjg@900 | 209 | System.err.println(m.getKind() + " " + m + " " + types.asElement(m)); |
jjg@900 | 210 | return null; |
jjg@900 | 211 | } |
jjg@900 | 212 | |
jjg@900 | 213 | @Override |
jjg@900 | 214 | public Void visitUnknown(TypeMirror t, Types types) { |
jjg@900 | 215 | try { |
jjg@900 | 216 | return super.visitUnknown(t, types); |
jjg@900 | 217 | } catch (UnknownTypeException ex) { |
jjg@900 | 218 | System.err.println("caught " + ex); |
jjg@900 | 219 | return null; |
jjg@900 | 220 | } |
jjg@900 | 221 | } |
jjg@900 | 222 | }; |
jjg@900 | 223 | } |