Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javac/processing/model/TestSymtabItems.java
test/tools/javac/processing/model/TestSymtabItems.java
- changeset 900
- 938dda0bec17
- child 983
- fb84cfca28a1
equal
deleted
inserted
replaced
| 899:67d6b2df47ba | 900:938dda0bec17 |
|---|---|
| 1 /* | |
| 2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
| 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 20 * or visit www.oracle.com if you need additional information or have any | |
| 21 * questions. | |
| 22 */ | |
| 23 | |
| 24 /* | |
| 25 * @test | |
| 26 * @bug 7021183 | |
| 27 * @summary 269: assertion failure getting enclosing element of an undefined name | |
| 28 */ | |
| 29 | |
| 30 import java.lang.reflect.Field; | |
| 31 import javax.lang.model.element.Element; | |
| 32 import javax.lang.model.element.ExecutableElement; | |
| 33 import javax.lang.model.element.PackageElement; | |
| 34 import javax.lang.model.element.TypeElement; | |
| 35 import javax.lang.model.element.TypeParameterElement; | |
| 36 import javax.lang.model.element.UnknownElementException; | |
| 37 import javax.lang.model.element.VariableElement; | |
| 38 import javax.lang.model.type.TypeMirror; | |
| 39 import javax.lang.model.type.UnknownTypeException; | |
| 40 import javax.lang.model.util.ElementScanner7; | |
| 41 import javax.lang.model.util.SimpleTypeVisitor7; | |
| 42 import javax.lang.model.util.Types; | |
| 43 | |
| 44 import com.sun.tools.javac.code.Symbol.ClassSymbol; | |
| 45 import com.sun.tools.javac.code.Symtab; | |
| 46 import com.sun.tools.javac.file.JavacFileManager; | |
| 47 import com.sun.tools.javac.model.JavacTypes; | |
| 48 import com.sun.tools.javac.util.Context; | |
| 49 | |
| 50 /** | |
| 51 * Scan javac Symtab looking for TypeMirrors and Elements, and ensure that | |
| 52 * no exceptions are thrown when used with javax.lang.model visitors. | |
| 53 * | |
| 54 */ | |
| 55 public class TestSymtabItems { | |
| 56 public static void main(String... args) throws Exception { | |
| 57 new TestSymtabItems().run(); | |
| 58 } | |
| 59 | |
| 60 void run() throws Exception { | |
| 61 Context c = new Context(); | |
| 62 JavacFileManager.preRegister(c); | |
| 63 Symtab syms = Symtab.instance(c); | |
| 64 JavacTypes types = JavacTypes.instance(c); | |
| 65 | |
| 66 // print("noSymbol", syms.noSymbol); | |
| 67 // print("errSymbol", syms.errSymbol); | |
| 68 // print("unknownSymbol", syms.unknownSymbol); | |
| 69 // print("botType", syms.botType); | |
| 70 // print("errType", syms.errType); | |
| 71 // print("unknownType", syms.unknownType); | |
| 72 | |
| 73 for (Field f: Symtab.class.getDeclaredFields()) { | |
| 74 // System.err.println(f.getType() + " " + f.getName()); | |
| 75 | |
| 76 // Temporarily ignore methodHandle and transientMethodHandle | |
| 77 // during API evolution | |
| 78 if (f.getName().toLowerCase().contains("methodhandle")) | |
| 79 continue; | |
| 80 | |
| 81 Class<?> ft = f.getType(); | |
| 82 if (TypeMirror.class.isAssignableFrom(ft)) | |
| 83 print(f.getName(), (TypeMirror) f.get(syms), types); | |
| 84 else if(Element.class.isAssignableFrom(ft)) | |
| 85 print(f.getName(), (Element) f.get(syms)); | |
| 86 } | |
| 87 | |
| 88 if (errors > 0) | |
| 89 throw new Exception(errors + " errors occurred"); | |
| 90 } | |
| 91 | |
| 92 void print(String label, Element e) { | |
| 93 ElemPrinter ep = new ElemPrinter(); | |
| 94 System.err.println("Test " + label); | |
| 95 ep.visit(e); | |
| 96 System.err.println(); | |
| 97 } | |
| 98 | |
| 99 void print(String label, TypeMirror t, Types types) { | |
| 100 TypePrinter tp = new TypePrinter(); | |
| 101 System.err.println("Test " + label); | |
| 102 tp.visit(t, types); | |
| 103 System.err.println(); | |
| 104 } | |
| 105 | |
| 106 void error(String msg) { | |
| 107 System.err.println("Error: " + msg); | |
| 108 errors++; | |
| 109 } | |
| 110 | |
| 111 int errors; | |
| 112 | |
| 113 class ElemPrinter extends ElementScanner7<Void, Void> { | |
| 114 @Override | |
| 115 public Void visitPackage(PackageElement e, Void p) { | |
| 116 show("package", e); | |
| 117 indent(+1); | |
| 118 super.visitPackage(e, p); | |
| 119 indent(-1); | |
| 120 return null; | |
| 121 } | |
| 122 | |
| 123 @Override | |
| 124 public Void visitType(TypeElement e, Void p) { | |
| 125 show("type", e); | |
| 126 indent(+1); | |
| 127 super.visitType(e, p); | |
| 128 indent(-1); | |
| 129 return null; | |
| 130 } | |
| 131 | |
| 132 @Override | |
| 133 public Void visitVariable(VariableElement e, Void p) { | |
| 134 show("variable", e); | |
| 135 indent(+1); | |
| 136 super.visitVariable(e, p); | |
| 137 indent(-1); | |
| 138 return null; | |
| 139 } | |
| 140 | |
| 141 @Override | |
| 142 public Void visitExecutable(ExecutableElement e, Void p) { | |
| 143 show("executable", e); | |
| 144 indent(+1); | |
| 145 super.visitExecutable(e, p); | |
| 146 indent(-1); | |
| 147 return null; | |
| 148 } | |
| 149 | |
| 150 @Override | |
| 151 public Void visitTypeParameter(TypeParameterElement e, Void p) { | |
| 152 show("type parameter", e); | |
| 153 indent(+1); | |
| 154 super.visitTypeParameter(e, p); | |
| 155 indent(-1); | |
| 156 return null; | |
| 157 } | |
| 158 | |
| 159 @Override | |
| 160 public Void visitUnknown(Element e, Void p) { | |
| 161 show("unknown", e); | |
| 162 indent(+1); | |
| 163 try { | |
| 164 super.visitUnknown(e, p); | |
| 165 } catch (UnknownElementException ex) { | |
| 166 System.err.println("caught " + ex); | |
| 167 } | |
| 168 indent(-1); | |
| 169 return null; | |
| 170 } | |
| 171 | |
| 172 void indent(int i) { | |
| 173 indent += i; | |
| 174 } | |
| 175 | |
| 176 String sp(int w) { | |
| 177 StringBuilder sb = new StringBuilder(); | |
| 178 for (int i = 0; i < w; i++) | |
| 179 sb.append(" "); | |
| 180 return sb.toString(); | |
| 181 } | |
| 182 | |
| 183 void show(String label, Element e) { | |
| 184 System.err.println(sp(indent) + label | |
| 185 + ": mods:" + e.getModifiers() | |
| 186 + " " + e.getSimpleName() | |
| 187 + ", kind: " + e.getKind() | |
| 188 + ", type: " + e.asType() | |
| 189 + ", encl: " + e.getEnclosingElement()); | |
| 190 | |
| 191 // The following checks help establish why NPE might occur when trying to scan children | |
| 192 if (e instanceof ClassSymbol) { | |
| 193 ClassSymbol csym = (ClassSymbol) e; | |
| 194 if (csym.members_field == null) | |
| 195 error("members_field is null"); | |
| 196 if (csym.type == null) | |
| 197 System.err.println("type is null"); | |
| 198 } | |
| 199 } | |
| 200 | |
| 201 int indent; | |
| 202 }; | |
| 203 | |
| 204 class TypePrinter extends SimpleTypeVisitor7<Void, Types> { | |
| 205 @Override | |
| 206 public Void defaultAction(TypeMirror m, Types types) { | |
| 207 System.err.println(m.getKind() + " " + m + " " + types.asElement(m)); | |
| 208 return null; | |
| 209 } | |
| 210 | |
| 211 @Override | |
| 212 public Void visitUnknown(TypeMirror t, Types types) { | |
| 213 try { | |
| 214 return super.visitUnknown(t, types); | |
| 215 } catch (UnknownTypeException ex) { | |
| 216 System.err.println("caught " + ex); | |
| 217 return null; | |
| 218 } | |
| 219 } | |
| 220 }; | |
| 221 } |
