Mercurial > jdk8-mips64-public > langtools / annotate
src/share/classes/com/sun/tools/apt/mirror/AptEnv.java@24a47c3062fe (annotated)
src/share/classes/com/sun/tools/apt/mirror/AptEnv.java
Thu, 02 Oct 2008 19:58:40 -0700
- author
- xdono
- date
- Thu, 02 Oct 2008 19:58:40 -0700
- changeset 117
- 24a47c3062fe
- parent 113
- eff38cc97183
- child 331
- d043adadc8b6
- permissions
- -rw-r--r--
6754988: Update copyright year
Summary: Update for files that have been modified starting July 2008
Reviewed-by: ohair, tbell
| duke@1 | 1 | /* |
| xdono@117 | 2 | * Copyright 2004-2008 Sun Microsystems, Inc. All Rights Reserved. |
| duke@1 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| duke@1 | 4 | * |
| duke@1 | 5 | * This code is free software; you can redistribute it and/or modify it |
| duke@1 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| duke@1 | 7 | * published by the Free Software Foundation. Sun designates this |
| duke@1 | 8 | * particular file as subject to the "Classpath" exception as provided |
| duke@1 | 9 | * by Sun in the LICENSE file that accompanied this code. |
| duke@1 | 10 | * |
| duke@1 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| duke@1 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| duke@1 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| duke@1 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| duke@1 | 15 | * accompanied this code). |
| duke@1 | 16 | * |
| duke@1 | 17 | * You should have received a copy of the GNU General Public License version |
| duke@1 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| duke@1 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| duke@1 | 20 | * |
| duke@1 | 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| duke@1 | 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| duke@1 | 23 | * have any questions. |
| duke@1 | 24 | */ |
| duke@1 | 25 | |
| duke@1 | 26 | package com.sun.tools.apt.mirror; |
| duke@1 | 27 | |
| duke@1 | 28 | |
| duke@1 | 29 | import com.sun.tools.apt.mirror.declaration.DeclarationMaker; |
| duke@1 | 30 | import com.sun.tools.apt.mirror.type.TypeMaker; |
| duke@1 | 31 | import com.sun.tools.javac.code.*; |
| duke@1 | 32 | import com.sun.tools.javac.code.Symbol.CompletionFailure; |
| duke@1 | 33 | import com.sun.tools.javac.comp.Attr; |
| duke@1 | 34 | import com.sun.tools.javac.comp.Enter; |
| duke@1 | 35 | import com.sun.tools.javac.util.Context; |
| jjg@113 | 36 | import com.sun.tools.javac.util.Names; |
| duke@1 | 37 | |
| duke@1 | 38 | |
| duke@1 | 39 | /** |
| duke@1 | 40 | * The environment for a run of apt. |
| duke@1 | 41 | */ |
| duke@1 | 42 | |
| duke@1 | 43 | public class AptEnv { |
| duke@1 | 44 | |
| jjg@113 | 45 | public Names names; // javac's name table |
| duke@1 | 46 | public Symtab symtab; // javac's predefined symbols |
| duke@1 | 47 | public Types jctypes; // javac's type utilities |
| duke@1 | 48 | public Enter enter; // javac's enter phase |
| duke@1 | 49 | public Attr attr; // javac's attr phase (to evaluate |
| duke@1 | 50 | // constant initializers) |
| duke@1 | 51 | public TypeMaker typeMaker; // apt's internal type utilities |
| duke@1 | 52 | public DeclarationMaker declMaker; // apt's internal declaration utilities |
| duke@1 | 53 | |
| duke@1 | 54 | |
| duke@1 | 55 | private static final Context.Key<AptEnv> aptEnvKey = |
| duke@1 | 56 | new Context.Key<AptEnv>(); |
| duke@1 | 57 | |
| duke@1 | 58 | public static AptEnv instance(Context context) { |
| duke@1 | 59 | AptEnv instance = context.get(aptEnvKey); |
| duke@1 | 60 | if (instance == null) { |
| duke@1 | 61 | instance = new AptEnv(context); |
| duke@1 | 62 | } |
| duke@1 | 63 | return instance; |
| duke@1 | 64 | } |
| duke@1 | 65 | |
| duke@1 | 66 | private AptEnv(Context context) { |
| duke@1 | 67 | context.put(aptEnvKey, this); |
| duke@1 | 68 | |
| jjg@113 | 69 | names = Names.instance(context); |
| duke@1 | 70 | symtab = Symtab.instance(context); |
| duke@1 | 71 | jctypes = Types.instance(context); |
| duke@1 | 72 | enter = Enter.instance(context); |
| duke@1 | 73 | attr = Attr.instance(context); |
| duke@1 | 74 | typeMaker = TypeMaker.instance(context); |
| duke@1 | 75 | declMaker = DeclarationMaker.instance(context); |
| duke@1 | 76 | } |
| duke@1 | 77 | |
| duke@1 | 78 | |
| duke@1 | 79 | /** |
| duke@1 | 80 | * Does a symbol have a given flag? Forces symbol completion. |
| duke@1 | 81 | */ |
| duke@1 | 82 | public static boolean hasFlag(Symbol sym, long flag) { |
| duke@1 | 83 | return (getFlags(sym) & flag) != 0; |
| duke@1 | 84 | } |
| duke@1 | 85 | |
| duke@1 | 86 | /** |
| duke@1 | 87 | * Returns a symbol's flags. Forces completion. |
| duke@1 | 88 | */ |
| duke@1 | 89 | public static long getFlags(Symbol sym) { |
| duke@1 | 90 | complete(sym); |
| duke@1 | 91 | return sym.flags(); |
| duke@1 | 92 | } |
| duke@1 | 93 | |
| duke@1 | 94 | /** |
| duke@1 | 95 | * Completes a symbol, ignoring completion failures. |
| duke@1 | 96 | */ |
| duke@1 | 97 | private static void complete(Symbol sym) { |
| duke@1 | 98 | while (true) { |
| duke@1 | 99 | try { |
| duke@1 | 100 | sym.complete(); |
| duke@1 | 101 | return; |
| duke@1 | 102 | } catch (CompletionFailure e) { |
| duke@1 | 103 | // Should never see two in a row, but loop just to be sure. |
| duke@1 | 104 | } |
| duke@1 | 105 | } |
| duke@1 | 106 | } |
| duke@1 | 107 | } |
