| /* |
| * Copyright (c) 2011, 2018, 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. |
| * |
| * 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 vm.mlvm.tools; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.TreeSet; |
| |
| import com.sun.source.tree.CompilationUnitTree; |
| import com.sun.source.tree.LabeledStatementTree; |
| import com.sun.source.util.TreePathScanner; |
| import com.sun.source.util.Trees; |
| |
| public class StratumAPTreeVisitor extends TreePathScanner<Object, Trees> { |
| public static final String LABEL_PREFIX = "Stratum_"; |
| |
| public static class StratumLineInfo implements Comparable<StratumLineInfo> { |
| String stratumName; |
| int stratumLineOrder; |
| String stratumLine; |
| int javaLineNum; |
| |
| public StratumLineInfo(String stratumName, int stratumLineOrder, String stratumLine, int javaLineNum) { |
| this.stratumName = stratumName; |
| this.stratumLineOrder = stratumLineOrder; |
| this.stratumLine = stratumLine; |
| this.javaLineNum = javaLineNum; |
| } |
| |
| public String getStratumName() { |
| return stratumName; |
| } |
| |
| public int getStratumLineOrder() { |
| return stratumLineOrder; |
| } |
| |
| public String getStratumSourceLine() { |
| return stratumLine; |
| } |
| |
| public int getJavaLineNum() { |
| return javaLineNum; |
| } |
| |
| @Override |
| public int compareTo(StratumLineInfo o) { |
| int i; |
| if ( (i = getStratumName().compareTo(o.getStratumName())) != 0 ) |
| return i; |
| |
| if ( (i = getStratumLineOrder() - o.getStratumLineOrder()) != 0 ) |
| return i; |
| |
| return 0; |
| } |
| |
| @Override |
| public String toString() { |
| return getStratumName() + ":" + getStratumLineOrder() |
| + " => Java:" + getJavaLineNum() |
| + " [" + getStratumSourceLine() + "]"; |
| } |
| } |
| |
| public Map<String, Set<StratumLineInfo>> strata = new HashMap<String, Set<StratumLineInfo>>(); |
| |
| @Override |
| public Object visitLabeledStatement(LabeledStatementTree node, Trees p) { |
| processLabel(node, p); |
| return super.visitLabeledStatement(node, p); |
| } |
| |
| private void processLabel(LabeledStatementTree node, Trees p) { |
| String label = node.getLabel().toString(); |
| |
| if ( ! label.startsWith(LABEL_PREFIX) ) |
| return; |
| |
| int stratumNameEndPos = label.indexOf('_', LABEL_PREFIX.length()); |
| if ( stratumNameEndPos == -1 ) |
| return; |
| |
| String stratumName = label.substring(LABEL_PREFIX.length(), stratumNameEndPos); |
| |
| int stratumLineEndPos = label.indexOf('_', stratumNameEndPos + 1); |
| if ( stratumLineEndPos == -1 ) |
| return; |
| |
| String stratumLineNumStr = label.substring(stratumNameEndPos + 1, stratumLineEndPos); |
| int stratumLineNum = Integer.parseInt(stratumLineNumStr); |
| |
| String stratumLine = label.substring(stratumLineEndPos + 1); |
| |
| CompilationUnitTree unit = getCurrentPath().getCompilationUnit(); |
| int javaLineNum = (int) unit.getLineMap().getLineNumber(p.getSourcePositions().getStartPosition(unit, node)); |
| |
| Set<StratumLineInfo> stratumLines = this.strata.get(stratumName); |
| if ( stratumLines == null ) { |
| stratumLines = new TreeSet<StratumLineInfo>(); |
| this.strata.put(stratumName, stratumLines); |
| } |
| |
| stratumLines.add(new StratumLineInfo(stratumName, stratumLineNum, stratumLine, javaLineNum)); |
| } |
| } |