Mercurial > hg > graal-compiler
diff graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/Node.java @ 10590:6eb8d63cea34
Added a feature to trace rewrites of truffle nodes.
author | Christian Humer <christian.humer@gmail.com> |
---|---|
date | Wed, 26 Jun 2013 17:21:59 +0200 |
parents | 29e9a5d18c70 |
children | 99b58803d6d9 |
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--- a/graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/Node.java Wed Jun 26 15:22:21 2013 +0200 +++ b/graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/Node.java Wed Jun 26 17:21:59 2013 +0200 @@ -26,6 +26,7 @@ import java.util.*; import com.oracle.truffle.api.*; +import com.oracle.truffle.api.nodes.NodeInfo.Kind; /** * Abstract base class for all Truffle nodes. @@ -199,6 +200,72 @@ * @param reason the reason the replace supplied */ protected void onReplace(Node newNode, String reason) { + if (TruffleOptions.TraceRewrites) { + Class<? extends Node> from = getClass(); + Class<? extends Node> to = newNode.getClass(); + + if (TruffleOptions.TraceRewritesFilterFromKind != null) { + if (filterByKind(from, TruffleOptions.TraceRewritesFilterFromKind)) { + return; + } + } + + if (TruffleOptions.TraceRewritesFilterToKind != null) { + if (filterByKind(to, TruffleOptions.TraceRewritesFilterToKind)) { + return; + } + } + + String filter = TruffleOptions.TraceRewritesFilterClass; + if (filter != null && (filterByContainsClassName(from, filter) || filterByContainsClassName(to, filter))) { + return; + } + + // CheckStyle: stop system..print check + System.out.printf("[truffle] rewrite %-50s |From %-40s |To %-40s |Reason %s.%n", this.toString(), formatNodeInfo(from), formatNodeInfo(to), reason); + // CheckStyle: resume system..print check + } + } + + private static String formatNodeInfo(Class<? extends Node> clazz) { + NodeInfo nodeInfo = clazz.getAnnotation(NodeInfo.class); + String kind = "?"; + if (nodeInfo != null) { + switch (nodeInfo.kind()) { + case GENERIC: + kind = "G"; + break; + case SPECIALIZED: + kind = "S"; + break; + case UNINITIALIZED: + kind = "U"; + break; + default: + kind = "?"; + break; + } + } + return kind + " " + clazz.getSimpleName(); + } + + private static boolean filterByKind(Class<?> clazz, Kind kind) { + NodeInfo info = clazz.getAnnotation(NodeInfo.class); + if (info != null) { + return info.kind() != kind; + } + return true; + } + + private static boolean filterByContainsClassName(Class<? extends Node> from, String filter) { + Class<?> currentFrom = from; + while (currentFrom != null) { + if (currentFrom.getName().contains(filter)) { + return false; + } + currentFrom = currentFrom.getSuperclass(); + } + return true; } /**