34cc69e4bf
This centralizes verification and common operations, like converting the
path to a source file to the path for a built object.
It also embeds the configuration knowledge into the path, so that we can
remove "${SrcDir}/path" from the ninja file. When SrcDir is '.', that
leads to paths like './path' instead of just 'path' like make is doing,
causing differences in compiled binaries.
Change-Id: Ib4e8910a6e867ce1b7b420d927c04f1142a7589e
129 lines
3.5 KiB
Go
129 lines
3.5 KiB
Go
// Copyright 2015 Google Inc. All rights reserved.
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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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// This file generates the final rules for compiling all C/C++. All properties related to
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// compiling should have been translated into builderFlags or another argument to the Transform*
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// functions.
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import (
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"github.com/google/blueprint"
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"android/soong/common"
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)
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func init() {
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pctx.HostBinToolVariable("aidlCmd", "aidl")
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pctx.SourcePathVariable("logtagsCmd", "build/tools/java-event-log-tags.py")
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pctx.SourcePathVariable("mergeLogtagsCmd", "build/tools/merge-event-log-tags.py")
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pctx.IntermediatesPathVariable("allLogtagsFile", "all-event-log-tags.txt")
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}
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var (
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aidl = pctx.StaticRule("aidl",
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blueprint.RuleParams{
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Command: "$aidlCmd -d$depFile $aidlFlags $in $out",
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CommandDeps: []string{"$aidlCmd"},
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Description: "aidl $out",
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},
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"depFile", "aidlFlags")
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logtags = pctx.StaticRule("logtags",
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blueprint.RuleParams{
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Command: "$logtagsCmd -o $out $in $allLogtagsFile",
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CommandDeps: []string{"$logtagsCmd"},
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Description: "logtags $out",
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})
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mergeLogtags = pctx.StaticRule("mergeLogtags",
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blueprint.RuleParams{
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Command: "$mergeLogtagsCmd -o $out $in",
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CommandDeps: []string{"$mergeLogtagsCmd"},
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Description: "merge logtags $out",
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})
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)
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func genAidl(ctx common.AndroidModuleContext, aidlFile common.Path, aidlFlags string) common.Path {
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javaFile := common.GenPathWithExt(ctx, aidlFile, "java")
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depFile := javaFile.String() + ".d"
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ctx.ModuleBuild(pctx, common.ModuleBuildParams{
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Rule: aidl,
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Output: javaFile,
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Input: aidlFile,
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Args: map[string]string{
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"depFile": depFile,
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"aidlFlags": aidlFlags,
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},
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})
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return javaFile
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}
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func genLogtags(ctx common.AndroidModuleContext, logtagsFile common.Path) common.Path {
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javaFile := common.GenPathWithExt(ctx, logtagsFile, "java")
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ctx.ModuleBuild(pctx, common.ModuleBuildParams{
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Rule: logtags,
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Output: javaFile,
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Input: logtagsFile,
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})
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return javaFile
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}
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func (j *javaBase) genSources(ctx common.AndroidModuleContext, srcFiles common.Paths,
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flags javaBuilderFlags) common.Paths {
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for i, srcFile := range srcFiles {
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switch srcFile.Ext() {
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case ".aidl":
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javaFile := genAidl(ctx, srcFile, flags.aidlFlags)
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srcFiles[i] = javaFile
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case ".logtags":
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j.logtagsSrcs = append(j.logtagsSrcs, srcFile)
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javaFile := genLogtags(ctx, srcFile)
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srcFiles[i] = javaFile
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}
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}
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return srcFiles
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}
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func LogtagsSingleton() blueprint.Singleton {
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return &logtagsSingleton{}
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}
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type logtagsProducer interface {
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logtags() common.Paths
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}
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type logtagsSingleton struct{}
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func (l *logtagsSingleton) GenerateBuildActions(ctx blueprint.SingletonContext) {
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var allLogtags common.Paths
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ctx.VisitAllModules(func(module blueprint.Module) {
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if logtags, ok := module.(logtagsProducer); ok {
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allLogtags = append(allLogtags, logtags.logtags()...)
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}
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})
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ctx.Build(pctx, blueprint.BuildParams{
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Rule: mergeLogtags,
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Outputs: []string{"$allLogtagsFile"},
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Inputs: allLogtags.Strings(),
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})
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}
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