1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
// Copyright 2014 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.devtools.build.lib.rules.test;
import static java.nio.charset.StandardCharsets.ISO_8859_1;
import com.google.common.base.Function;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Iterables;
import com.google.devtools.build.lib.actions.ActionOwner;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.actions.Executor;
import com.google.devtools.build.lib.analysis.RuleContext;
import com.google.devtools.build.lib.analysis.actions.AbstractFileWriteAction;
import com.google.devtools.build.lib.events.EventHandler;
import com.google.devtools.build.lib.util.Fingerprint;
import com.google.devtools.build.lib.util.RegexFilter;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.util.Arrays;
import java.util.Collection;
/**
* Creates instrumented file manifest to list instrumented source files.
*/
class InstrumentedFileManifestAction extends AbstractFileWriteAction {
private static final String GUID = "d9ddb800-f9a1-01Da-238d-988311a8475b";
private final Collection<Artifact> collectedSourceFiles;
private final Collection<Artifact> metadataFiles;
private final RegexFilter instrumentationFilter;
private InstrumentedFileManifestAction(ActionOwner owner, Collection<Artifact> inputs,
Collection<Artifact> additionalSourceFiles, Collection<Artifact> gcnoFiles,
Artifact output, RegexFilter instrumentationFilter) {
super(owner, inputs, output, false);
this.collectedSourceFiles = additionalSourceFiles;
this.metadataFiles = gcnoFiles;
this.instrumentationFilter = instrumentationFilter;
}
@Override
public DeterministicWriter newDeterministicWriter(EventHandler eventHandler, Executor executor) {
return new DeterministicWriter() {
@Override
public void writeOutputFile(OutputStream out) throws IOException {
Writer writer = null;
try {
// Save exec paths for both instrumented source files and gcno files in the manifest
// in the naturally sorted order.
String[] fileNames = Iterables.toArray(Iterables.transform(
Iterables.concat(collectedSourceFiles, metadataFiles),
new Function<Artifact, String> () {
@Override
public String apply(Artifact artifact) { return artifact.getExecPathString(); }
}), String.class);
Arrays.sort(fileNames);
writer = new OutputStreamWriter(out, ISO_8859_1);
for (String name : fileNames) {
writer.write(name);
writer.write('\n');
}
} finally {
if (writer != null) {
writer.close();
}
}
}
};
}
@Override
protected String computeKey() {
Fingerprint f = new Fingerprint();
f.addString(GUID);
f.addString(instrumentationFilter.toString());
return f.hexDigestAndReset();
}
/**
* Instantiates instrumented file manifest for the given target.
*
* @param ruleContext context of the executable configured target
* @param additionalSourceFiles additional instrumented source files, as
* collected by the {@link InstrumentedFilesCollector}
* @param metadataFiles *.gcno/*.em files collected by the {@link InstrumentedFilesCollector}
* @return instrumented file manifest artifact
*/
public static Artifact getInstrumentedFileManifest(final RuleContext ruleContext,
final Collection<Artifact> additionalSourceFiles, final Collection<Artifact> metadataFiles) {
// Instrumented manifest makes sense only for rules with binary output.
Preconditions.checkState(ruleContext.getRule().hasBinaryOutput());
Artifact instrumentedFileManifest = ruleContext.getPackageRelativeArtifact(
ruleContext.getTarget().getName() + ".instrumented_files",
ruleContext.getConfiguration().getBinDirectory());
// Instrumented manifest artifact might already exist in case when multiple test
// actions that use slightly different subsets of runfiles set are generated for the same rule.
// So check whether we need to create a new action instance.
ImmutableList<Artifact> inputs = ImmutableList.<Artifact>builder()
.addAll(additionalSourceFiles)
.addAll(metadataFiles)
.build();
ruleContext.registerAction(new InstrumentedFileManifestAction(
ruleContext.getActionOwner(), inputs, additionalSourceFiles, metadataFiles,
instrumentedFileManifest, ruleContext.getConfiguration().getInstrumentationFilter()));
return instrumentedFileManifest;
}
}
|
