src/share/classes/com/sun/tools/javac/comp/AttrContext.java

Thu, 02 Oct 2008 19:58:40 -0700

author
xdono
date
Thu, 02 Oct 2008 19:58:40 -0700
changeset 117
24a47c3062fe
parent 94
6542933af8f4
child 554
9d9f26857129
permissions
-rw-r--r--

6754988: Update copyright year
Summary: Update for files that have been modified starting July 2008
Reviewed-by: ohair, tbell

     1 /*
     2  * Copyright 1999-2008 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  */
    26 package com.sun.tools.javac.comp;
    28 import com.sun.tools.javac.util.*;
    29 import com.sun.tools.javac.code.*;
    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 {
    41     /** The scope of local symbols.
    42      */
    43     Scope scope = null;
    45     /** The number of enclosing `static' modifiers.
    46      */
    47     int staticLevel = 0;
    49     /** Is this an environment for a this(...) or super(...) call?
    50      */
    51     boolean isSelfCall = false;
    53     /** Are we evaluating the selector of a `super' or type name?
    54      */
    55     boolean selectSuper = false;
    57     /** Are arguments to current function applications boxed into an array for varargs?
    58      */
    59     boolean varArgs = false;
    61     /** A list of type variables that are all-quantifed in current context.
    62      */
    63     List<Type> tvars = List.nil();
    65     /** A record of the lint/SuppressWarnings currently in effect
    66      */
    67     Lint lint;
    69     /** The variable whose initializer is being attributed
    70      * useful for detecting self-references in variable initializers
    71      */
    72     Symbol enclVar = null;
    74     /** Duplicate this context, replacing scope field and copying all others.
    75      */
    76     AttrContext dup(Scope scope) {
    77         AttrContext info = new AttrContext();
    78         info.scope = scope;
    79         info.staticLevel = staticLevel;
    80         info.isSelfCall = isSelfCall;
    81         info.selectSuper = selectSuper;
    82         info.varArgs = varArgs;
    83         info.tvars = tvars;
    84         info.lint = lint;
    85         info.enclVar = enclVar;
    86         return info;
    87     }
    89     /** Duplicate this context, copying all fields.
    90      */
    91     AttrContext dup() {
    92         return dup(scope);
    93     }
    95     public Iterable<Symbol> getLocalElements() {
    96         if (scope == null)
    97             return List.nil();
    98         return scope.getElements();
    99     }
   101     public String toString() {
   102         return "AttrContext[" + scope.toString() + "]";
   103     }
   104 }

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