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comparison truffle/com.oracle.truffle.tools/src/com/oracle/truffle/tools/CoverageTracker.java @ 22093:0f0e34039769

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Truffle/instrumentation: remove SourceTag machinery, not used so far. It will eventually be restored in the new API framework.
author Michael Van De Vanter <michael.van.de.vanter@oracle.com>
date Mon, 17 Aug 2015 15:24:00 -0700
parents b2d1c8ff592a
children dc83cc1f94f2 3aad794eec0e
comparison
equal deleted inserted replaced
22092:1a1aa12ab310 22093:0f0e34039769
37 * An {@link InstrumentationTool} that counts interpreter <em>execution calls</em> to AST nodes that 37 * An {@link InstrumentationTool} that counts interpreter <em>execution calls</em> to AST nodes that
38 * hold a specified {@linkplain SyntaxTag syntax tag}, tabulated by source and line number 38 * hold a specified {@linkplain SyntaxTag syntax tag}, tabulated by source and line number
39 * associated with each node. Syntax tags are presumed to be applied external to the tool. If no tag 39 * associated with each node. Syntax tags are presumed to be applied external to the tool. If no tag
40 * is specified, {@linkplain StandardSyntaxTag#STATEMENT STATEMENT} is used, corresponding to 40 * is specified, {@linkplain StandardSyntaxTag#STATEMENT STATEMENT} is used, corresponding to
41 * conventional behavior for code coverage tools. 41 * conventional behavior for code coverage tools.
42 * <p>
43 * No counts will be kept for execution in sources that hold the {@link SourceTag}
44 * {@link Tags#NO_COVERAGE}.
45 * <p> 42 * <p>
46 * <b>Tool Life Cycle</b> 43 * <b>Tool Life Cycle</b>
47 * <p> 44 * <p>
48 * See {@link InstrumentationTool} for the life cycle common to all such tools. 45 * See {@link InstrumentationTool} for the life cycle common to all such tools.
49 * <p> 46 * <p>
70 * 67 *
71 * @see Instrument 68 * @see Instrument
72 * @see SyntaxTag 69 * @see SyntaxTag
73 */ 70 */
74 public final class CoverageTracker extends InstrumentationTool { 71 public final class CoverageTracker extends InstrumentationTool {
75
76 public enum Tags implements SourceTag {
77
78 /**
79 * Report no counts for sources holding this tag.
80 */
81 NO_COVERAGE("No Coverage", "Coverage Tracker will igore");
82
83 private final String name;
84 private final String description;
85
86 private Tags(String name, String description) {
87 this.name = name;
88 this.description = description;
89 }
90
91 public String getName() {
92 return name;
93 }
94
95 public String getDescription() {
96 return description;
97 }
98 }
99 72
100 /** Counting data. */ 73 /** Counting data. */
101 private final Map<LineLocation, CoverageRecord> coverageMap = new HashMap<>(); 74 private final Map<LineLocation, CoverageRecord> coverageMap = new HashMap<>();
102 75
103 /** Needed for disposal. */ 76 /** Needed for disposal. */
289 if (countingTag == tag) { 262 if (countingTag == tag) {
290 263
291 final SourceSection srcSection = probe.getProbedSourceSection(); 264 final SourceSection srcSection = probe.getProbedSourceSection();
292 if (srcSection == null) { 265 if (srcSection == null) {
293 // TODO (mlvdv) report this? 266 // TODO (mlvdv) report this?
294 } else if (!srcSection.getSource().isTaggedAs(Tags.NO_COVERAGE)) { 267 return;
295 // Get the source line where the 268 }
296 final LineLocation lineLocation = srcSection.getLineLocation(); 269 // Get the source line where the
297 CoverageRecord record = coverageMap.get(lineLocation); 270 final LineLocation lineLocation = srcSection.getLineLocation();
298 if (record != null) { 271 CoverageRecord record = coverageMap.get(lineLocation);
299 // Another node starts on same line; count only the first (textually) 272 if (record != null) {
300 if (srcSection.getCharIndex() > record.srcSection.getCharIndex()) { 273 // Another node starts on same line; count only the first (textually)
301 // Existing record, corresponds to code earlier on line 274 if (srcSection.getCharIndex() > record.srcSection.getCharIndex()) {
302 return; 275 // Existing record, corresponds to code earlier on line
303 } else { 276 return;
304 // Existing record, corresponds to code at a later position; replace it 277 } else {
305 record.instrument.dispose(); 278 // Existing record, corresponds to code at a later position; replace it
306 } 279 record.instrument.dispose();
307 } 280 }
308 281 }
309 final CoverageRecord coverage = new CoverageRecord(srcSection); 282
310 final Instrument instrument = Instrument.create(coverage, CoverageTracker.class.getSimpleName()); 283 final CoverageRecord coverage = new CoverageRecord(srcSection);
311 coverage.instrument = instrument; 284 final Instrument instrument = Instrument.create(coverage, CoverageTracker.class.getSimpleName());
312 instruments.add(instrument); 285 coverage.instrument = instrument;
313 probe.attach(instrument); 286 instruments.add(instrument);
314 coverageMap.put(lineLocation, coverage); 287 probe.attach(instrument);
315 } 288 coverageMap.put(lineLocation, coverage);
316 } 289 }
317 } 290 }
318 } 291 }
319 292
320 } 293 }