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/*
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* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package jdk.jshell;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.stream.Collectors;
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/**
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* List of diagnostics, with convenient operations.
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*
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* @author Robert Field
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*/
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@SuppressWarnings("serial") // serialVersionUID intentionally omitted
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final class DiagList extends ArrayList<Diag> {
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private int cntNotStmt = 0;
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private int cntUnreach = 0;
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private int cntResolve = 0;
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private int cntOther = 0;
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DiagList() {
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super();
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}
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DiagList(Diag d) {
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super();
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add(d);
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}
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DiagList(Collection<? extends Diag> c) {
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super();
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addAll(c);
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}
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private void tally(Diag d) {
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if (d.isError()) {
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if (d.isUnreachableError()) {
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++cntUnreach;
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} else if (d.isNotAStatementError()) {
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++cntNotStmt;
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} else if (d.isResolutionError()) {
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++cntResolve;
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} else {
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++cntOther;
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}
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}
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}
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@Override
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public boolean addAll(Collection<? extends Diag> c) {
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return c.stream().filter(d -> add(d)).count() > 0;
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}
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@Override
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public Diag set(int index, Diag element) {
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throw new UnsupportedOperationException();
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}
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@Override
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public void add(int index, Diag element) {
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throw new UnsupportedOperationException();
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}
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@Override
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public boolean add(Diag d) {
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boolean added = super.add(d);
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if (added) {
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tally(d);
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}
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return added;
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}
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@Override
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public boolean addAll(int index, Collection<? extends Diag> c) {
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throw new UnsupportedOperationException();
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}
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@Override
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public boolean remove(Object o) {
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throw new UnsupportedOperationException();
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}
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DiagList ofUnit(Unit u) {
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return this.stream()
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.filter(d -> d.unitOrNull() == u)
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.collect(Collectors.toCollection(() -> new DiagList()));
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}
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boolean hasErrors() {
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return (cntNotStmt + cntResolve + cntUnreach + cntOther) > 0;
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}
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boolean hasResolutionErrorsAndNoOthers() {
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return cntResolve > 0 && (cntNotStmt + cntUnreach + cntOther) == 0;
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}
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boolean hasUnreachableError() {
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return cntUnreach > 0;
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}
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boolean hasNotStatement() {
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return cntNotStmt > 0;
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}
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boolean hasOtherThanNotStatementErrors() {
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return (cntResolve + cntUnreach + cntOther) > 0;
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}
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}
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