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
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
// Copyright 2014 The Bazel Authors. 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.skyframe;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.devtools.build.lib.actions.ActionAnalysisMetadata;
import com.google.devtools.build.lib.actions.ActionLookupValue;
import com.google.devtools.build.lib.actions.Actions.GeneratingActions;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.analysis.ConfiguredTarget;
import com.google.devtools.build.lib.analysis.config.BuildConfiguration;
import com.google.devtools.build.lib.cmdline.Label;
import com.google.devtools.build.lib.collect.nestedset.NestedSet;
import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable;
import com.google.devtools.build.lib.concurrent.ThreadSafety.ThreadSafe;
import com.google.devtools.build.lib.packages.Package;
import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec;
import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec.VisibleForSerialization;
import com.google.devtools.build.skyframe.SkyKey;
import java.util.List;
import javax.annotation.Nullable;
/** A configured target in the context of a Skyframe graph. */
@AutoCodec
@Immutable
@ThreadSafe
@VisibleForTesting
public final class ConfiguredTargetValue extends ActionLookupValue {
// These variables are only non-final because they may be clear()ed to save memory.
// configuredTarget is null only after it is cleared.
@Nullable private ConfiguredTarget configuredTarget;
// May be null either after clearing or because transitive packages are not tracked.
@Nullable private NestedSet<Package> transitivePackagesForPackageRootResolution;
@AutoCodec.Instantiator
@VisibleForSerialization
ConfiguredTargetValue(
List<ActionAnalysisMetadata> actions,
ImmutableMap<Artifact, Integer> generatingActionIndex,
ConfiguredTarget configuredTarget,
NestedSet<Package> transitivePackagesForPackageRootResolution) {
super(actions, generatingActionIndex);
this.configuredTarget = configuredTarget;
this.transitivePackagesForPackageRootResolution = transitivePackagesForPackageRootResolution;
}
ConfiguredTargetValue(
ConfiguredTarget configuredTarget,
GeneratingActions generatingActions,
@Nullable NestedSet<Package> transitivePackagesForPackageRootResolution,
boolean removeActionsAfterEvaluation) {
super(generatingActions, removeActionsAfterEvaluation);
this.configuredTarget = Preconditions.checkNotNull(configuredTarget, generatingActions);
this.transitivePackagesForPackageRootResolution = transitivePackagesForPackageRootResolution;
}
@VisibleForTesting
public ConfiguredTarget getConfiguredTarget() {
Preconditions.checkNotNull(configuredTarget);
return configuredTarget;
}
@VisibleForTesting
public List<ActionAnalysisMetadata> getActions() {
Preconditions.checkNotNull(configuredTarget, this);
return actions;
}
/**
* Returns the set of packages transitively loaded by this value. Must only be used for
* constructing the package -> source root map needed for some builds. If the caller has not
* specified that this map needs to be constructed (via the constructor argument in {@link
* ConfiguredTargetFunction#ConfiguredTargetFunction}), calling this will crash.
*/
public NestedSet<Package> getTransitivePackagesForPackageRootResolution() {
return Preconditions.checkNotNull(transitivePackagesForPackageRootResolution);
}
/**
* Clears configured target data from this value, leaving only the artifact->generating action
* map.
*
* <p>Should only be used when user specifies --discard_analysis_cache. Must be called at most
* once per value, after which {@link #getConfiguredTarget} and {@link #getActions} cannot be
* called.
*
* @param clearEverything if true, clear the {@link #configuredTarget}. If not, only the {@link
* #transitivePackagesForPackageRootResolution} field is cleared. Top-level targets need their
* {@link #configuredTarget} preserved, so should pass false here.
*/
public void clear(boolean clearEverything) {
Preconditions.checkNotNull(configuredTarget);
Preconditions.checkNotNull(transitivePackagesForPackageRootResolution);
if (clearEverything) {
configuredTarget = null;
}
transitivePackagesForPackageRootResolution = null;
}
@VisibleForTesting
public static SkyKey key(Label label, BuildConfiguration configuration) {
return ConfiguredTargetKey.of(label, configuration);
}
static ImmutableList<SkyKey> keys(Iterable<ConfiguredTargetKey> lacs) {
ImmutableList.Builder<SkyKey> keys = ImmutableList.builder();
for (ConfiguredTargetKey lac : lacs) {
keys.add(lac);
}
return keys.build();
}
/**
* Returns a label of ConfiguredTargetValue.
*/
@ThreadSafe
static Label extractLabel(SkyKey value) {
Object valueName = value.argument();
Preconditions.checkState(valueName instanceof ConfiguredTargetKey, valueName);
return ((ConfiguredTargetKey) valueName).getLabel();
}
@Override
public String toString() {
return getStringHelper().add("configuredTarget", configuredTarget).toString();
}
}
|
