1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/classes/com/sun/tools/javac/comp/AttrContext.java Sat Dec 01 00:00:00 2007 +0000
1.3 @@ -0,0 +1,98 @@
1.4 +/*
1.5 + * Copyright 1999-2006 Sun Microsystems, Inc. All Rights Reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation. Sun designates this
1.11 + * particular file as subject to the "Classpath" exception as provided
1.12 + * by Sun in the LICENSE file that accompanied this code.
1.13 + *
1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.17 + * version 2 for more details (a copy is included in the LICENSE file that
1.18 + * accompanied this code).
1.19 + *
1.20 + * You should have received a copy of the GNU General Public License version
1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.23 + *
1.24 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
1.25 + * CA 95054 USA or visit www.sun.com if you need additional information or
1.26 + * have any questions.
1.27 + */
1.28 +
1.29 +package com.sun.tools.javac.comp;
1.30 +
1.31 +import com.sun.tools.javac.util.*;
1.32 +import com.sun.tools.javac.code.*;
1.33 +
1.34 +/** Contains information specific to the attribute and enter
1.35 + * passes, to be used in place of the generic field in environments.
1.36 + *
1.37 + * <p><b>This is NOT part of any API supported by Sun Microsystems. If
1.38 + * you write code that depends on this, you do so at your own risk.
1.39 + * This code and its internal interfaces are subject to change or
1.40 + * deletion without notice.</b>
1.41 + */
1.42 +public class AttrContext {
1.43 +
1.44 + /** The scope of local symbols.
1.45 + */
1.46 + Scope scope = null;
1.47 +
1.48 + /** The number of enclosing `static' modifiers.
1.49 + */
1.50 + int staticLevel = 0;
1.51 +
1.52 + /** Is this an environment for a this(...) or super(...) call?
1.53 + */
1.54 + boolean isSelfCall = false;
1.55 +
1.56 + /** Are we evaluating the selector of a `super' or type name?
1.57 + */
1.58 + boolean selectSuper = false;
1.59 +
1.60 + /** Are arguments to current function applications boxed into an array for varargs?
1.61 + */
1.62 + boolean varArgs = false;
1.63 +
1.64 + /** A list of type variables that are all-quantifed in current context.
1.65 + */
1.66 + List<Type> tvars = List.nil();
1.67 +
1.68 + /** A record of the lint/SuppressWarnings currently in effect
1.69 + */
1.70 + Lint lint;
1.71 +
1.72 + /** Duplicate this context, replacing scope field and copying all others.
1.73 + */
1.74 + AttrContext dup(Scope scope) {
1.75 + AttrContext info = new AttrContext();
1.76 + info.scope = scope;
1.77 + info.staticLevel = staticLevel;
1.78 + info.isSelfCall = isSelfCall;
1.79 + info.selectSuper = selectSuper;
1.80 + info.varArgs = varArgs;
1.81 + info.tvars = tvars;
1.82 + info.lint = lint;
1.83 + return info;
1.84 + }
1.85 +
1.86 + /** Duplicate this context, copying all fields.
1.87 + */
1.88 + AttrContext dup() {
1.89 + return dup(scope);
1.90 + }
1.91 +
1.92 + public Iterable<Symbol> getLocalElements() {
1.93 + if (scope == null)
1.94 + return List.nil();
1.95 + return scope.getElements();
1.96 + }
1.97 +
1.98 + public String toString() {
1.99 + return "AttrContext[" + scope.toString() + "]";
1.100 + }
1.101 +}
