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comparison graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/Node.java @ 10590:6eb8d63cea34

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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
comparison
equal deleted inserted replaced
10541:9599e1a01812 10590:6eb8d63cea34
24 24
25 import java.lang.annotation.*; 25 import java.lang.annotation.*;
26 import java.util.*; 26 import java.util.*;
27 27
28 import com.oracle.truffle.api.*; 28 import com.oracle.truffle.api.*;
29 import com.oracle.truffle.api.nodes.NodeInfo.Kind;
29 30
30 /** 31 /**
31 * Abstract base class for all Truffle nodes. 32 * Abstract base class for all Truffle nodes.
32 */ 33 */
33 public abstract class Node implements Cloneable { 34 public abstract class Node implements Cloneable {
197 * 198 *
198 * @param newNode the replacement node 199 * @param newNode the replacement node
199 * @param reason the reason the replace supplied 200 * @param reason the reason the replace supplied
200 */ 201 */
201 protected void onReplace(Node newNode, String reason) { 202 protected void onReplace(Node newNode, String reason) {
203 if (TruffleOptions.TraceRewrites) {
204 Class<? extends Node> from = getClass();
205 Class<? extends Node> to = newNode.getClass();
206
207 if (TruffleOptions.TraceRewritesFilterFromKind != null) {
208 if (filterByKind(from, TruffleOptions.TraceRewritesFilterFromKind)) {
209 return;
210 }
211 }
212
213 if (TruffleOptions.TraceRewritesFilterToKind != null) {
214 if (filterByKind(to, TruffleOptions.TraceRewritesFilterToKind)) {
215 return;
216 }
217 }
218
219 String filter = TruffleOptions.TraceRewritesFilterClass;
220 if (filter != null && (filterByContainsClassName(from, filter) || filterByContainsClassName(to, filter))) {
221 return;
222 }
223
224 // CheckStyle: stop system..print check
225 System.out.printf("[truffle] rewrite %-50s |From %-40s |To %-40s |Reason %s.%n", this.toString(), formatNodeInfo(from), formatNodeInfo(to), reason);
226 // CheckStyle: resume system..print check
227 }
228 }
229
230 private static String formatNodeInfo(Class<? extends Node> clazz) {
231 NodeInfo nodeInfo = clazz.getAnnotation(NodeInfo.class);
232 String kind = "?";
233 if (nodeInfo != null) {
234 switch (nodeInfo.kind()) {
235 case GENERIC:
236 kind = "G";
237 break;
238 case SPECIALIZED:
239 kind = "S";
240 break;
241 case UNINITIALIZED:
242 kind = "U";
243 break;
244 default:
245 kind = "?";
246 break;
247 }
248 }
249 return kind + " " + clazz.getSimpleName();
250 }
251
252 private static boolean filterByKind(Class<?> clazz, Kind kind) {
253 NodeInfo info = clazz.getAnnotation(NodeInfo.class);
254 if (info != null) {
255 return info.kind() != kind;
256 }
257 return true;
258 }
259
260 private static boolean filterByContainsClassName(Class<? extends Node> from, String filter) {
261 Class<?> currentFrom = from;
262 while (currentFrom != null) {
263 if (currentFrom.getName().contains(filter)) {
264 return false;
265 }
266 currentFrom = currentFrom.getSuperclass();
267 }
268 return true;
202 } 269 }
203 270
204 /** 271 /**
205 * Invokes the {@link NodeVisitor#visit(Node)} method for this node and recursively also for all 272 * Invokes the {@link NodeVisitor#visit(Node)} method for this node and recursively also for all
206 * child nodes. 273 * child nodes.