jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/javac/comp/AttrContext.java@0353cf89ea96 (annotated)

src/share/classes/com/sun/tools/javac/comp/AttrContext.java@0353cf89ea96 (annotated)

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

Thu, 07 Jan 2016 08:45:19 +0000

author: sadayapalam
date: Thu, 07 Jan 2016 08:45:19 +0000
changeset 3005: 0353cf89ea96
parent 2390: b06c2db45ddb
child 3295: 859dc787b52b
permissions: -rw-r--r--

8145466: javac: No line numbers in compilation error
Summary: Compiler should not use the syntax tree from enclosing contexts in diagnostics even when the enclosing contexts are consulted for method lookup.
Reviewed-by: mcimadamore

 /*
  * Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Oracle in the LICENSE file that accompanied this code.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 package com.sun.tools.javac.comp;
 import com.sun.tools.javac.tree.JCTree;
 import com.sun.tools.javac.util.*;
 import com.sun.tools.javac.code.*;
 /** Contains information specific to the attribute and enter
  *  passes, to be used in place of the generic field in environments.
  *
  *  <p><b>This is NOT part of any supported API.
  *  If you write code that depends on this, you do so at your own risk.
  *  This code and its internal interfaces are subject to change or
  *  deletion without notice.</b>
  */
 public class AttrContext {
     /** The scope of local symbols.
      */
     Scope scope = null;
     /** The number of enclosing `static' modifiers.
      */
     int staticLevel = 0;
     /** Is this an environment for a this(...) or super(...) call?
      */
     boolean isSelfCall = false;
     /** Are we evaluating the selector of a `super' or type name?
      */
     boolean selectSuper = false;
     /** Is the current target of lambda expression or method reference serializable?
      */
     boolean isSerializable = false;
     /** Are arguments to current function applications boxed into an array for varargs?
      */
     Resolve.MethodResolutionPhase pendingResolutionPhase = null;
     /** A record of the lint/SuppressWarnings currently in effect
      */
     Lint lint;
     /** The variable whose initializer is being attributed
      * useful for detecting self-references in variable initializers
      */
     Symbol enclVar = null;
     /** ResultInfo to be used for attributing 'return' statement expressions
      * (set by Attr.visitMethod and Attr.visitLambda)
      */
     Attr.ResultInfo returnResult = null;
     /** Symbol corresponding to the site of a qualified default super call
      */
     Type defaultSuperCallSite = null;
     /** Tree that when non null, is to be preferentially used in diagnostics.
      *  Usually Env<AttrContext>.tree is the tree to be referred to in messages,
      *  but this may not be true during the window a method is looked up in enclosing
      *  contexts (JDK-8145466)
      */
     JCTree preferredTreeForDiagnostics;
     /** Duplicate this context, replacing scope field and copying all others.
      */
     AttrContext dup(Scope scope) {
         AttrContext info = new AttrContext();
         info.scope = scope;
         info.staticLevel = staticLevel;
         info.isSelfCall = isSelfCall;
         info.selectSuper = selectSuper;
         info.pendingResolutionPhase = pendingResolutionPhase;
         info.lint = lint;
         info.enclVar = enclVar;
         info.returnResult = returnResult;
         info.defaultSuperCallSite = defaultSuperCallSite;
         info.isSerializable = isSerializable;
         info.preferredTreeForDiagnostics = preferredTreeForDiagnostics;
         return info;
     }
     /** Duplicate this context, copying all fields.
      */
     AttrContext dup() {
         return dup(scope);
     }
     public Iterable<Symbol> getLocalElements() {
         if (scope == null)
             return List.nil();
         return scope.getElements();
     }
     boolean lastResolveVarargs() {
         return pendingResolutionPhase != null &&
                 pendingResolutionPhase.isVarargsRequired();
     }
     @Override
     public String toString() {
         return "AttrContext[" + scope.toString() + "]";
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

src/share/classes/com/sun/tools/javac/comp/AttrContext.java@0353cf89ea96 (annotated)

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