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
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
// Copyright 2016 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.rules.objc;
import static com.google.devtools.build.lib.rules.objc.ObjcProvider.IMPORTED_LIBRARY;
import static com.google.devtools.build.lib.rules.objc.ObjcProvider.LIBRARY;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableListMultimap;
import com.google.common.collect.Iterables;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.analysis.ConfiguredTarget;
import com.google.devtools.build.lib.analysis.RuleConfiguredTarget.Mode;
import com.google.devtools.build.lib.analysis.RuleConfiguredTargetBuilder;
import com.google.devtools.build.lib.analysis.RuleContext;
import com.google.devtools.build.lib.analysis.config.BuildConfiguration;
import com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder;
import com.google.devtools.build.lib.rules.RuleConfiguredTargetFactory;
import com.google.devtools.build.lib.rules.apple.AppleConfiguration;
import com.google.devtools.build.lib.rules.cpp.CcToolchainProvider;
import com.google.devtools.build.lib.rules.cpp.CppCompilationContext;
import com.google.devtools.build.lib.rules.objc.CompilationSupport.ExtraLinkArgs;
import com.google.devtools.build.lib.rules.objc.ObjcCommon.CompilationAttributes;
import com.google.devtools.build.lib.rules.objc.ObjcCommon.ResourceAttributes;
import java.util.List;
import java.util.Set;
/**
* Implementation for the "apple_binary" rule.
*/
public class AppleBinary implements RuleConfiguredTargetFactory {
@VisibleForTesting
static final String REQUIRES_AT_LEAST_ONE_LIBRARY_OR_SOURCE_FILE =
"At least one library dependency or source file is required.";
@Override
public final ConfiguredTarget create(RuleContext ruleContext) throws InterruptedException {
ImmutableListMultimap<BuildConfiguration, ObjcProvider> configurationToObjcDepMap =
ruleContext.getPrerequisitesByConfiguration("deps", Mode.SPLIT, ObjcProvider.class);
ImmutableListMultimap<BuildConfiguration, CppCompilationContext> configurationToCcDepMap =
ruleContext.getPrerequisitesByConfiguration("deps", Mode.SPLIT,
CppCompilationContext.class);
ImmutableListMultimap<BuildConfiguration, ObjcProvider> configurationToNonPropagatedObjcMap =
ruleContext.getPrerequisitesByConfiguration("non_propagated_deps", Mode.SPLIT,
ObjcProvider.class);
Set<BuildConfiguration> childConfigurations = getChildConfigurations(ruleContext);
IntermediateArtifacts ruleIntermediateArtifacts =
ObjcRuleClasses.intermediateArtifacts(ruleContext);
NestedSetBuilder<Artifact> binariesToLipo =
NestedSetBuilder.<Artifact>stableOrder();
NestedSetBuilder<Artifact> filesToBuild =
NestedSetBuilder.<Artifact>stableOrder()
.add(ruleIntermediateArtifacts.combinedArchitectureBinary());
for (BuildConfiguration childConfig : childConfigurations) {
IntermediateArtifacts intermediateArtifacts =
ObjcRuleClasses.intermediateArtifacts(ruleContext, childConfig);
ObjcCommon common = common(ruleContext, childConfig, intermediateArtifacts,
nullToEmptyList(configurationToObjcDepMap.get(childConfig)),
nullToEmptyList(configurationToNonPropagatedObjcMap.get(childConfig)),
nullToEmptyList(configurationToCcDepMap.get(childConfig)));
ObjcProvider objcProvider = common.getObjcProvider();
if (!hasLibraryOrSources(objcProvider)) {
ruleContext.ruleError(REQUIRES_AT_LEAST_ONE_LIBRARY_OR_SOURCE_FILE);
return null;
}
if (ruleContext.hasErrors()) {
return null;
}
binariesToLipo.add(intermediateArtifacts.strippedSingleArchitectureBinary());
new CompilationSupport(ruleContext, childConfig)
.registerCompileAndArchiveActions(common)
.registerLinkActions(
objcProvider, new ExtraLinkArgs(), ImmutableList.<Artifact>of(),
DsymOutputType.APP)
.validateAttributes();
if (ruleContext.hasErrors()) {
return null;
}
}
AppleConfiguration appleConfiguration = ruleContext.getFragment(AppleConfiguration.class);
new LipoSupport(ruleContext).registerCombineArchitecturesAction(
binariesToLipo.build(),
ruleIntermediateArtifacts.combinedArchitectureBinary(),
appleConfiguration.getIosCpuPlatform());
RuleConfiguredTargetBuilder targetBuilder =
ObjcRuleClasses.ruleConfiguredTarget(ruleContext, filesToBuild.build());
return targetBuilder.build();
}
private boolean hasLibraryOrSources(ObjcProvider objcProvider) {
return !Iterables.isEmpty(objcProvider.get(LIBRARY)) // Includes sources from this target.
|| !Iterables.isEmpty(objcProvider.get(IMPORTED_LIBRARY));
}
private ObjcCommon common(RuleContext ruleContext, BuildConfiguration buildConfiguration,
IntermediateArtifacts intermediateArtifacts, List<ObjcProvider> propagatedObjcDeps,
List<ObjcProvider> nonPropagatedObjcDeps, List<CppCompilationContext> cppDeps) {
CompilationArtifacts compilationArtifacts =
CompilationSupport.compilationArtifacts(ruleContext, intermediateArtifacts);
return new ObjcCommon.Builder(ruleContext, buildConfiguration)
.setCompilationAttributes(new CompilationAttributes(ruleContext))
.setResourceAttributes(new ResourceAttributes(ruleContext))
.setCompilationArtifacts(compilationArtifacts)
.addDefines(ruleContext.getTokenizedStringListAttr("defines"))
.addDepObjcProviders(propagatedObjcDeps)
.addDepCcHeaderProviders(cppDeps)
// TODO(cparsons): The below call only gets CC link params from one child configuration,
// as it is accessed via Mode.TARGET. This poses a problem with multi-architecture
// builds with CC dependencies.
.addDepCcLinkProviders(ruleContext)
.addDepObjcProviders(
ruleContext.getPrerequisites("bundles", Mode.TARGET, ObjcProvider.class))
.addNonPropagatedDepObjcProviders(nonPropagatedObjcDeps)
.setIntermediateArtifacts(intermediateArtifacts)
.setAlwayslink(false)
.setHasModuleMap()
.setLinkedBinary(intermediateArtifacts.strippedSingleArchitectureBinary())
.build();
}
private <T> List<T> nullToEmptyList(List<T> inputList) {
return inputList != null ? inputList : ImmutableList.<T>of();
}
private Set<BuildConfiguration> getChildConfigurations(RuleContext ruleContext) {
// This is currently a hack to obtain all child configurations regardless of the attribute
// values of this rule -- this rule does not currently use the actual info provided by
// this attribute. b/28403953 tracks cc toolchain usage.
ImmutableListMultimap<BuildConfiguration, CcToolchainProvider> configToProvider =
ruleContext.getPrerequisitesByConfiguration(":cc_toolchain", Mode.SPLIT,
CcToolchainProvider.class);
return configToProvider.keySet();
}
}
|
