duke@1: /* jjh@1305: * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved. duke@1: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. duke@1: * duke@1: * This code is free software; you can redistribute it and/or modify it duke@1: * under the terms of the GNU General Public License version 2 only, as ohair@554: * published by the Free Software Foundation. Oracle designates this duke@1: * particular file as subject to the "Classpath" exception as provided ohair@554: * by Oracle in the LICENSE file that accompanied this code. duke@1: * duke@1: * This code is distributed in the hope that it will be useful, but WITHOUT duke@1: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or duke@1: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License duke@1: * version 2 for more details (a copy is included in the LICENSE file that duke@1: * accompanied this code). duke@1: * duke@1: * You should have received a copy of the GNU General Public License version duke@1: * 2 along with this work; if not, write to the Free Software Foundation, duke@1: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. duke@1: * ohair@554: * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA ohair@554: * or visit www.oracle.com if you need additional information or have any ohair@554: * questions. duke@1: */ duke@1: duke@1: package com.sun.tools.javac.comp; duke@1: duke@1: import com.sun.tools.javac.util.*; duke@1: import com.sun.tools.javac.code.*; duke@1: duke@1: /** Contains information specific to the attribute and enter duke@1: * passes, to be used in place of the generic field in environments. duke@1: * jjg@581: *
This is NOT part of any supported API.
jjg@581: * If you write code that depends on this, you do so at your own risk.
duke@1: * This code and its internal interfaces are subject to change or
duke@1: * deletion without notice.
duke@1: */
duke@1: public class AttrContext {
duke@1:
duke@1: /** The scope of local symbols.
duke@1: */
duke@1: Scope scope = null;
duke@1:
duke@1: /** The number of enclosing `static' modifiers.
duke@1: */
duke@1: int staticLevel = 0;
duke@1:
duke@1: /** Is this an environment for a this(...) or super(...) call?
duke@1: */
duke@1: boolean isSelfCall = false;
duke@1:
duke@1: /** Are we evaluating the selector of a `super' or type name?
duke@1: */
duke@1: boolean selectSuper = false;
duke@1:
duke@1: /** Are arguments to current function applications boxed into an array for varargs?
duke@1: */
mcimadamore@1347: Resolve.MethodResolutionPhase pendingResolutionPhase = null;
duke@1:
duke@1: /** A record of the lint/SuppressWarnings currently in effect
duke@1: */
duke@1: Lint lint;
duke@1:
mcimadamore@94: /** The variable whose initializer is being attributed
mcimadamore@94: * useful for detecting self-references in variable initializers
mcimadamore@94: */
mcimadamore@94: Symbol enclVar = null;
mcimadamore@94:
mcimadamore@1347: /** ResultInfo to be used for attributing 'return' statement expressions
mcimadamore@1347: * (set by Attr.visitMethod and Attr.visitLambda)
mcimadamore@1347: */
mcimadamore@1347: Attr.ResultInfo returnResult = null;
mcimadamore@1347:
mcimadamore@1393: /** Symbol corresponding to the site of a qualified default super call
mcimadamore@1393: */
mcimadamore@1393: Type defaultSuperCallSite = null;
mcimadamore@1393:
duke@1: /** Duplicate this context, replacing scope field and copying all others.
duke@1: */
duke@1: AttrContext dup(Scope scope) {
duke@1: AttrContext info = new AttrContext();
duke@1: info.scope = scope;
duke@1: info.staticLevel = staticLevel;
duke@1: info.isSelfCall = isSelfCall;
duke@1: info.selectSuper = selectSuper;
mcimadamore@1347: info.pendingResolutionPhase = pendingResolutionPhase;
duke@1: info.lint = lint;
mcimadamore@94: info.enclVar = enclVar;
mcimadamore@1347: info.returnResult = returnResult;
mcimadamore@1393: info.defaultSuperCallSite = defaultSuperCallSite;
duke@1: return info;
duke@1: }
duke@1:
duke@1: /** Duplicate this context, copying all fields.
duke@1: */
duke@1: AttrContext dup() {
duke@1: return dup(scope);
duke@1: }
duke@1:
duke@1: public Iterable