Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: src/share/classes/com/sun/tools/javac/comp/AttrContext.java
src/share/classes/com/sun/tools/javac/comp/AttrContext.java
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| 1 /* | |
| 2 * Copyright 1999-2006 Sun Microsystems, Inc. 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. Sun designates this | |
| 8 * particular file as subject to the "Classpath" exception as provided | |
| 9 * by Sun in the LICENSE file that accompanied this code. | |
| 10 * | |
| 11 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 * accompanied this code). | |
| 16 * | |
| 17 * You should have received a copy of the GNU General Public License version | |
| 18 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 * | |
| 21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 22 * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 23 * have any questions. | |
| 24 */ | |
| 25 | |
| 26 package com.sun.tools.javac.comp; | |
| 27 | |
| 28 import com.sun.tools.javac.util.*; | |
| 29 import com.sun.tools.javac.code.*; | |
| 30 | |
| 31 /** Contains information specific to the attribute and enter | |
| 32 * passes, to be used in place of the generic field in environments. | |
| 33 * | |
| 34 * <p><b>This is NOT part of any API supported by Sun Microsystems. If | |
| 35 * you write code that depends on this, you do so at your own risk. | |
| 36 * This code and its internal interfaces are subject to change or | |
| 37 * deletion without notice.</b> | |
| 38 */ | |
| 39 public class AttrContext { | |
| 40 | |
| 41 /** The scope of local symbols. | |
| 42 */ | |
| 43 Scope scope = null; | |
| 44 | |
| 45 /** The number of enclosing `static' modifiers. | |
| 46 */ | |
| 47 int staticLevel = 0; | |
| 48 | |
| 49 /** Is this an environment for a this(...) or super(...) call? | |
| 50 */ | |
| 51 boolean isSelfCall = false; | |
| 52 | |
| 53 /** Are we evaluating the selector of a `super' or type name? | |
| 54 */ | |
| 55 boolean selectSuper = false; | |
| 56 | |
| 57 /** Are arguments to current function applications boxed into an array for varargs? | |
| 58 */ | |
| 59 boolean varArgs = false; | |
| 60 | |
| 61 /** A list of type variables that are all-quantifed in current context. | |
| 62 */ | |
| 63 List<Type> tvars = List.nil(); | |
| 64 | |
| 65 /** A record of the lint/SuppressWarnings currently in effect | |
| 66 */ | |
| 67 Lint lint; | |
| 68 | |
| 69 /** Duplicate this context, replacing scope field and copying all others. | |
| 70 */ | |
| 71 AttrContext dup(Scope scope) { | |
| 72 AttrContext info = new AttrContext(); | |
| 73 info.scope = scope; | |
| 74 info.staticLevel = staticLevel; | |
| 75 info.isSelfCall = isSelfCall; | |
| 76 info.selectSuper = selectSuper; | |
| 77 info.varArgs = varArgs; | |
| 78 info.tvars = tvars; | |
| 79 info.lint = lint; | |
| 80 return info; | |
| 81 } | |
| 82 | |
| 83 /** Duplicate this context, copying all fields. | |
| 84 */ | |
| 85 AttrContext dup() { | |
| 86 return dup(scope); | |
| 87 } | |
| 88 | |
| 89 public Iterable<Symbol> getLocalElements() { | |
| 90 if (scope == null) | |
| 91 return List.nil(); | |
| 92 return scope.getElements(); | |
| 93 } | |
| 94 | |
| 95 public String toString() { | |
| 96 return "AttrContext[" + scope.toString() + "]"; | |
| 97 } | |
| 98 } |
