Mercurial > jdk8-mips64-public > langtools / annotate
src/share/classes/com/sun/tools/javac/comp/AttrContext.java@bf54daa9dcd8 (annotated)
src/share/classes/com/sun/tools/javac/comp/AttrContext.java
Thu, 01 Nov 2012 10:48:36 +0100
- author
- ohrstrom
- date
- Thu, 01 Nov 2012 10:48:36 +0100
- changeset 1384
- bf54daa9dcd8
- parent 1347
- 1408af4cd8b0
- child 1393
- d7d932236fee
- permissions
- -rw-r--r--
7153951: Add new lint option -Xlint:auxiliaryclass
Reviewed-by: jjg, mcimadamore, forax
| duke@1 | 1 | /* |
| jjh@1305 | 2 | * Copyright (c) 1999, 2012, Oracle and/or its affiliates. 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 |
| ohair@554 | 7 | * published by the Free Software Foundation. Oracle designates this |
| duke@1 | 8 | * particular file as subject to the "Classpath" exception as provided |
| ohair@554 | 9 | * by Oracle 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 | * |
| ohair@554 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| ohair@554 | 22 | * or visit www.oracle.com if you need additional information or have any |
| ohair@554 | 23 | * questions. |
| duke@1 | 24 | */ |
| duke@1 | 25 | |
| duke@1 | 26 | package com.sun.tools.javac.comp; |
| duke@1 | 27 | |
| duke@1 | 28 | import com.sun.tools.javac.util.*; |
| duke@1 | 29 | import com.sun.tools.javac.code.*; |
| duke@1 | 30 | |
| duke@1 | 31 | /** Contains information specific to the attribute and enter |
| duke@1 | 32 | * passes, to be used in place of the generic field in environments. |
| duke@1 | 33 | * |
| jjg@581 | 34 | * <p><b>This is NOT part of any supported API. |
| jjg@581 | 35 | * If you write code that depends on this, you do so at your own risk. |
| duke@1 | 36 | * This code and its internal interfaces are subject to change or |
| duke@1 | 37 | * deletion without notice.</b> |
| duke@1 | 38 | */ |
| duke@1 | 39 | public class AttrContext { |
| duke@1 | 40 | |
| duke@1 | 41 | /** The scope of local symbols. |
| duke@1 | 42 | */ |
| duke@1 | 43 | Scope scope = null; |
| duke@1 | 44 | |
| duke@1 | 45 | /** The number of enclosing `static' modifiers. |
| duke@1 | 46 | */ |
| duke@1 | 47 | int staticLevel = 0; |
| duke@1 | 48 | |
| duke@1 | 49 | /** Is this an environment for a this(...) or super(...) call? |
| duke@1 | 50 | */ |
| duke@1 | 51 | boolean isSelfCall = false; |
| duke@1 | 52 | |
| duke@1 | 53 | /** Are we evaluating the selector of a `super' or type name? |
| duke@1 | 54 | */ |
| duke@1 | 55 | boolean selectSuper = false; |
| duke@1 | 56 | |
| duke@1 | 57 | /** Are arguments to current function applications boxed into an array for varargs? |
| duke@1 | 58 | */ |
| mcimadamore@1347 | 59 | Resolve.MethodResolutionPhase pendingResolutionPhase = null; |
| duke@1 | 60 | |
| duke@1 | 61 | /** A record of the lint/SuppressWarnings currently in effect |
| duke@1 | 62 | */ |
| duke@1 | 63 | Lint lint; |
| duke@1 | 64 | |
| mcimadamore@94 | 65 | /** The variable whose initializer is being attributed |
| mcimadamore@94 | 66 | * useful for detecting self-references in variable initializers |
| mcimadamore@94 | 67 | */ |
| mcimadamore@94 | 68 | Symbol enclVar = null; |
| mcimadamore@94 | 69 | |
| mcimadamore@1347 | 70 | /** ResultInfo to be used for attributing 'return' statement expressions |
| mcimadamore@1347 | 71 | * (set by Attr.visitMethod and Attr.visitLambda) |
| mcimadamore@1347 | 72 | */ |
| mcimadamore@1347 | 73 | Attr.ResultInfo returnResult = null; |
| mcimadamore@1347 | 74 | |
| duke@1 | 75 | /** Duplicate this context, replacing scope field and copying all others. |
| duke@1 | 76 | */ |
| duke@1 | 77 | AttrContext dup(Scope scope) { |
| duke@1 | 78 | AttrContext info = new AttrContext(); |
| duke@1 | 79 | info.scope = scope; |
| duke@1 | 80 | info.staticLevel = staticLevel; |
| duke@1 | 81 | info.isSelfCall = isSelfCall; |
| duke@1 | 82 | info.selectSuper = selectSuper; |
| mcimadamore@1347 | 83 | info.pendingResolutionPhase = pendingResolutionPhase; |
| duke@1 | 84 | info.lint = lint; |
| mcimadamore@94 | 85 | info.enclVar = enclVar; |
| mcimadamore@1347 | 86 | info.returnResult = returnResult; |
| duke@1 | 87 | return info; |
| duke@1 | 88 | } |
| duke@1 | 89 | |
| duke@1 | 90 | /** Duplicate this context, copying all fields. |
| duke@1 | 91 | */ |
| duke@1 | 92 | AttrContext dup() { |
| duke@1 | 93 | return dup(scope); |
| duke@1 | 94 | } |
| duke@1 | 95 | |
| duke@1 | 96 | public Iterable<Symbol> getLocalElements() { |
| duke@1 | 97 | if (scope == null) |
| duke@1 | 98 | return List.nil(); |
| duke@1 | 99 | return scope.getElements(); |
| duke@1 | 100 | } |
| duke@1 | 101 | |
| mcimadamore@1347 | 102 | boolean lastResolveVarargs() { |
| mcimadamore@1347 | 103 | return pendingResolutionPhase != null && |
| mcimadamore@1347 | 104 | pendingResolutionPhase.isVarargsRequired(); |
| mcimadamore@1347 | 105 | } |
| mcimadamore@1347 | 106 | |
| duke@1 | 107 | public String toString() { |
| duke@1 | 108 | return "AttrContext[" + scope.toString() + "]"; |
| duke@1 | 109 | } |
| duke@1 | 110 | } |
