Mercurial > hg > graal-jvmci-8
view graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/instrument/SLInstrumenter.java @ 16961:a1427e40deaf
Truffle/Instrumentation: some Javadoc revistions; minor code cleanups; remove one redundant operation; add tracing to the LineLocation maps.
author | Michael Van De Vanter <michael.van.de.vanter@oracle.com> |
---|---|
date | Tue, 26 Aug 2014 13:54:53 -0700 |
parents | 54696f15ac93 |
children | f0c3de09f12a |
line wrap: on
line source
/* * Copyright (c) 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. * * 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.oracle.truffle.sl.nodes.instrument; import static com.oracle.truffle.api.instrument.StandardSyntaxTag.*; import com.oracle.truffle.api.instrument.*; import com.oracle.truffle.api.nodes.*; import com.oracle.truffle.sl.nodes.*; import com.oracle.truffle.sl.nodes.controlflow.*; import com.oracle.truffle.sl.nodes.local.*; import com.oracle.truffle.sl.runtime.*; /** * A visitor which traverses a completely parsed Simple (not yet executed) AST and instruments some * of them. */ public class SLInstrumenter implements NodeVisitor { private final SLContext context; public SLInstrumenter(SLContext context) { this.context = context; } /** * Instruments and tags all relevant {@link SLStatementNode}s and {@link SLExpressionNode}s. * Currently, only SLStatementNodes that are not SLExpressionNodes are tagged as statements. */ public boolean visit(Node node) { // We have to distinguish between SLExpressionNode and SLStatementNode since some of the // generated factories have methods that require SLExpressionNodes as parameters. Since // SLExpressionNodes are a subclass of SLStatementNode, we check if something is an // SLExpressionNode first. if (node instanceof SLExpressionNode && node.getParent() != null) { SLExpressionNode expressionNode = (SLExpressionNode) node; if (expressionNode.getSourceSection() != null) { Probe probe = expressionNode.probe(context); // probe.tagAs(STATEMENT); if (node instanceof SLWriteLocalVariableNode) probe.tagAs(ASSIGNMENT); } } else if (node instanceof SLStatementNode && node.getParent() != null) { SLStatementNode statementNode = (SLStatementNode) node; if (statementNode.getSourceSection() != null) { Probe probe = statementNode.probe(context); probe.tagAs(STATEMENT); if (node instanceof SLWhileNode) probe.tagAs(START_LOOP); } } return true; } }