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
|
// Copyright 2017 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.android.desugar.dependencies;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkState;
import com.google.devtools.build.android.desugar.DependencyCollector;
import com.google.devtools.build.android.desugar.proto.DesugarDeps;
import com.google.devtools.build.android.desugar.proto.DesugarDeps.Dependency;
import com.google.devtools.build.android.desugar.proto.DesugarDeps.DesugarDepsInfo;
import com.google.devtools.build.android.desugar.proto.DesugarDeps.InterfaceDetails;
import com.google.devtools.build.android.desugar.proto.DesugarDeps.InterfaceWithCompanion;
import javax.annotation.Nullable;
/** Dependency collector that emits collected metadata as a {@link DesugarDepsInfo} proto. */
public final class MetadataCollector implements DependencyCollector {
private final boolean tolerateMissingDeps;
private final DesugarDepsInfo.Builder info = DesugarDeps.DesugarDepsInfo.newBuilder();
public MetadataCollector(boolean tolerateMissingDeps) {
this.tolerateMissingDeps = tolerateMissingDeps;
}
@Override
public void assumeCompanionClass(String origin, String target) {
checkArgument(target.endsWith(INTERFACE_COMPANION_SUFFIX),
"target not a companion: %s -> %s", origin, target);
info.addAssumePresent(
Dependency.newBuilder().setOrigin(wrapType(origin)).setTarget(wrapType(target)));
}
@Override
public void missingImplementedInterface(String origin, String target) {
checkArgument(!target.endsWith(INTERFACE_COMPANION_SUFFIX),
"target seems to be a companion: %s -> %s", origin, target);
checkState(tolerateMissingDeps,
"Couldn't find interface %s on the classpath for desugaring %s", target, origin);
info.addMissingInterface(
Dependency.newBuilder().setOrigin(wrapType(origin)).setTarget(wrapType(target)));
}
@Override
public void recordExtendedInterfaces(String origin, String... targets) {
if (targets.length > 0) {
InterfaceDetails.Builder details =
InterfaceDetails.newBuilder().setOrigin(wrapType(origin));
for (String target : targets) {
details.addExtendedInterface(wrapType(target));
}
info.addInterfaceWithSupertypes(details);
}
}
@Override
public void recordDefaultMethods(String origin, int count) {
checkArgument(!origin.endsWith(INTERFACE_COMPANION_SUFFIX),
"seems to be a companion: %s", origin);
info.addInterfaceWithCompanion(
InterfaceWithCompanion.newBuilder()
.setOrigin(wrapType(origin))
.setNumDefaultMethods(count));
}
@Override
@Nullable
public byte[] toByteArray() {
DesugarDepsInfo result = info.build();
return DesugarDepsInfo.getDefaultInstance().equals(result) ? null : result.toByteArray();
}
private static DesugarDeps.Type wrapType(String internalName) {
return DesugarDeps.Type.newBuilder().setBinaryName(internalName).build();
}
}
|
