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comparison graal/com.oracle.truffle.api/src/com/oracle/truffle/api/instrument/Probe.java @ 21684:c072fbce5756

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Truffle/Instrumentation: move Probe tracing out of DebugEngine and into Probe
author Michael Van De Vanter <michael.van.de.vanter@oracle.com>
date Tue, 02 Jun 2015 16:44:16 -0700
parents d6d9631eb057
children fd8a92655fbd
comparison
equal deleted inserted replaced
21670:5731adc3a10a 21684:c072fbce5756
22 * or visit www.oracle.com if you need additional information or have any 22 * or visit www.oracle.com if you need additional information or have any
23 * questions. 23 * questions.
24 */ 24 */
25 package com.oracle.truffle.api.instrument; 25 package com.oracle.truffle.api.instrument;
26 26
27 import java.io.*;
27 import java.lang.ref.*; 28 import java.lang.ref.*;
28 import java.util.*; 29 import java.util.*;
29 30
30 import com.oracle.truffle.api.*; 31 import com.oracle.truffle.api.*;
31 import com.oracle.truffle.api.CompilerDirectives.CompilationFinal; 32 import com.oracle.truffle.api.CompilerDirectives.CompilationFinal;
98 * @see ProbeListener 99 * @see ProbeListener
99 * @see SyntaxTag 100 * @see SyntaxTag
100 */ 101 */
101 public final class Probe { 102 public final class Probe {
102 103
104 private static final boolean TRACE = false;
105 private static final String TRACE_PREFIX = "PROBE: ";
106 private static final PrintStream OUT = System.out;
107
108 private static void trace(String format, Object... args) {
109 if (TRACE) {
110 OUT.println(TRACE_PREFIX + String.format(format, args));
111 }
112 }
113
103 private static final List<ASTProber> astProbers = new ArrayList<>(); 114 private static final List<ASTProber> astProbers = new ArrayList<>();
104 115
105 private static final List<ProbeListener> probeListeners = new ArrayList<>(); 116 private static final List<ProbeListener> probeListeners = new ArrayList<>();
106 117
107 /** 118 /**
161 * {@link ASTProber}. 172 * {@link ASTProber}.
162 */ 173 */
163 public static void applyASTProbers(Node node) { 174 public static void applyASTProbers(Node node) {
164 175
165 final Source source = findSource(node); 176 final Source source = findSource(node);
166 177 final String sourceName = source == null ? "<?>" : source.getShortName();
178 trace("START %s", sourceName);
167 for (ProbeListener listener : probeListeners) { 179 for (ProbeListener listener : probeListeners) {
168 listener.startASTProbing(source); 180 listener.startASTProbing(source);
169 } 181 }
170 for (ASTProber prober : astProbers) { 182 for (ASTProber prober : astProbers) {
171 prober.probeAST(node); 183 prober.probeAST(node);
172 } 184 }
173 for (ProbeListener listener : probeListeners) { 185 for (ProbeListener listener : probeListeners) {
174 listener.endASTProbing(source); 186 listener.endASTProbing(source);
175 } 187 }
188 trace("FINISHED %s", sourceName);
176 } 189 }
177 190
178 /** 191 /**
179 * Adds a {@link ProbeListener} to receive events. 192 * Adds a {@link ProbeListener} to receive events.
180 */ 193 */
284 */ 297 */
285 Probe(ProbeNode probeNode, SourceSection sourceSection) { 298 Probe(ProbeNode probeNode, SourceSection sourceSection) {
286 this.sourceSection = sourceSection; 299 this.sourceSection = sourceSection;
287 probes.add(new WeakReference<>(this)); 300 probes.add(new WeakReference<>(this));
288 registerProbeNodeClone(probeNode); 301 registerProbeNodeClone(probeNode);
302 if (TRACE) {
303 final String location = this.sourceSection == null ? "<unknown>" : sourceSection.getShortDescription();
304 trace("ADDED %s %s %s", "Probe@", location, getTagsDescription());
305 }
289 for (ProbeListener listener : probeListeners) { 306 for (ProbeListener listener : probeListeners) {
290 listener.newProbeInserted(this); 307 listener.newProbeInserted(this);
291 } 308 }
292 } 309 }
293 310
329 this.isAfterTrapActive = true; 346 this.isAfterTrapActive = true;
330 tagTrapsChanged = true; 347 tagTrapsChanged = true;
331 } 348 }
332 if (tagTrapsChanged) { 349 if (tagTrapsChanged) {
333 invalidateProbeUnchanged(); 350 invalidateProbeUnchanged();
351 }
352 if (TRACE) {
353 trace("TAGGED as %s: %s", tag, getShortDescription());
334 } 354 }
335 } 355 }
336 } 356 }
337 357
338 /** 358 /**