ed12c132c3
Previously, bootclasspath_fragment modules could produce
HiddenAPIOutput structs containing nil paths. That is no longer
possible as both source and prebuilt bootclasspath_fragment modules
always provide non-nil paths so this change removes the special
handling.
Bug: 194063708
Test: m out/soong/hiddenapi/hiddenapi-flags.csv
- check that this does not change the contents.
Change-Id: I15337e146c9e694ce9da06ad4845ac267d6da27a
104 lines
4 KiB
Go
104 lines
4 KiB
Go
// Copyright (C) 2021 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package java
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import (
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"android/soong/android"
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"github.com/google/blueprint"
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)
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// MonolithicHiddenAPIInfo contains information needed/provided by the hidden API generation of the
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// monolithic hidden API files.
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//
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// Each list of paths includes all the equivalent paths from each of the bootclasspath_fragment
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// modules that contribute to the platform-bootclasspath.
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type MonolithicHiddenAPIInfo struct {
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// FlagsFilesByCategory maps from the flag file category to the paths containing information for
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// that category.
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FlagsFilesByCategory FlagFilesByCategory
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// The paths to the generated stub-flags.csv files.
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StubFlagsPaths android.Paths
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// The paths to the generated annotation-flags.csv files.
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AnnotationFlagsPaths android.Paths
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// The paths to the generated metadata.csv files.
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MetadataPaths android.Paths
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// The paths to the generated index.csv files.
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IndexPaths android.Paths
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// The paths to the generated all-flags.csv files.
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AllFlagsPaths android.Paths
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// The classes jars from the libraries on the platform bootclasspath.
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ClassesJars android.Paths
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}
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// newMonolithicHiddenAPIInfo creates a new MonolithicHiddenAPIInfo from the flagFilesByCategory
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// plus information provided by each of the fragments.
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func newMonolithicHiddenAPIInfo(ctx android.ModuleContext, flagFilesByCategory FlagFilesByCategory, classpathElements ClasspathElements) MonolithicHiddenAPIInfo {
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monolithicInfo := MonolithicHiddenAPIInfo{}
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monolithicInfo.FlagsFilesByCategory = flagFilesByCategory
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// Merge all the information from the classpathElements. The fragments form a DAG so it is possible that
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// this will introduce duplicates so they will be resolved after processing all the classpathElements.
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for _, element := range classpathElements {
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switch e := element.(type) {
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case *ClasspathLibraryElement:
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classesJars := retrieveClassesJarsFromModule(e.Module())
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monolithicInfo.ClassesJars = append(monolithicInfo.ClassesJars, classesJars...)
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case *ClasspathFragmentElement:
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fragment := e.Module()
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if ctx.OtherModuleHasProvider(fragment, HiddenAPIInfoProvider) {
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info := ctx.OtherModuleProvider(fragment, HiddenAPIInfoProvider).(HiddenAPIInfo)
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monolithicInfo.append(&info)
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} else {
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ctx.ModuleErrorf("%s does not provide hidden API information", fragment)
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}
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}
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}
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// Dedup paths.
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monolithicInfo.dedup()
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return monolithicInfo
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}
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// append appends all the files from the supplied info to the corresponding files in this struct.
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func (i *MonolithicHiddenAPIInfo) append(other *HiddenAPIInfo) {
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i.FlagsFilesByCategory.append(other.FlagFilesByCategory)
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i.StubFlagsPaths = append(i.StubFlagsPaths, other.StubFlagsPath)
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i.AnnotationFlagsPaths = append(i.AnnotationFlagsPaths, other.AnnotationFlagsPath)
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i.MetadataPaths = append(i.MetadataPaths, other.MetadataPath)
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i.IndexPaths = append(i.IndexPaths, other.IndexPath)
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i.AllFlagsPaths = append(i.AllFlagsPaths, other.AllFlagsPath)
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}
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// dedup removes duplicates in all the paths, while maintaining the order in which they were
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// appended.
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func (i *MonolithicHiddenAPIInfo) dedup() {
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i.FlagsFilesByCategory.dedup()
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i.StubFlagsPaths = android.FirstUniquePaths(i.StubFlagsPaths)
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i.AnnotationFlagsPaths = android.FirstUniquePaths(i.AnnotationFlagsPaths)
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i.MetadataPaths = android.FirstUniquePaths(i.MetadataPaths)
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i.IndexPaths = android.FirstUniquePaths(i.IndexPaths)
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i.AllFlagsPaths = android.FirstUniquePaths(i.AllFlagsPaths)
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}
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var MonolithicHiddenAPIInfoProvider = blueprint.NewProvider(MonolithicHiddenAPIInfo{})
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