90 lines
2.8 KiB
Go
90 lines
2.8 KiB
Go
// Copyright 2015 Google Inc. 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 android
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"path/filepath"
|
|
"strings"
|
|
|
|
"github.com/google/blueprint"
|
|
)
|
|
|
|
func init() {
|
|
RegisterSingletonType("writedocs", DocsSingleton)
|
|
}
|
|
|
|
func DocsSingleton() Singleton {
|
|
return &docsSingleton{}
|
|
}
|
|
|
|
type docsSingleton struct{}
|
|
|
|
func primaryBuilderPath(ctx SingletonContext) Path {
|
|
buildDir := absolutePath(ctx.Config().BuildDir())
|
|
binary := absolutePath(os.Args[0])
|
|
primaryBuilder, err := filepath.Rel(buildDir, binary)
|
|
if err != nil {
|
|
ctx.Errorf("path to primary builder %q is not in build dir %q (%q)",
|
|
os.Args[0], ctx.Config().BuildDir(), err)
|
|
}
|
|
|
|
return PathForOutput(ctx, primaryBuilder)
|
|
}
|
|
|
|
func (c *docsSingleton) GenerateBuildActions(ctx SingletonContext) {
|
|
var deps Paths
|
|
deps = append(deps, pathForBuildToolDep(ctx, ctx.Config().moduleListFile))
|
|
deps = append(deps, pathForBuildToolDep(ctx, ctx.Config().ProductVariablesFileName))
|
|
|
|
// The dexpreopt configuration may not exist, but if it does, it's a dependency
|
|
// of soong_build.
|
|
dexpreoptConfigPath := ctx.Config().DexpreoptGlobalConfigPath(ctx)
|
|
if dexpreoptConfigPath.Valid() {
|
|
deps = append(deps, dexpreoptConfigPath.Path())
|
|
}
|
|
|
|
// Generate build system docs for the primary builder. Generating docs reads the source
|
|
// files used to build the primary builder, but that dependency will be picked up through
|
|
// the dependency on the primary builder itself. There are no dependencies on the
|
|
// Blueprints files, as any relevant changes to the Blueprints files would have caused
|
|
// a rebuild of the primary builder.
|
|
docsFile := PathForOutput(ctx, "docs", "soong_build.html")
|
|
primaryBuilder := primaryBuilderPath(ctx)
|
|
soongDocs := ctx.Rule(pctx, "soongDocs",
|
|
blueprint.RuleParams{
|
|
Command: fmt.Sprintf("rm -f ${outDir}/* && %s --soong_docs %s %s",
|
|
primaryBuilder.String(),
|
|
docsFile.String(),
|
|
"\""+strings.Join(os.Args[1:], "\" \"")+"\""),
|
|
CommandDeps: []string{primaryBuilder.String()},
|
|
Description: fmt.Sprintf("%s docs $out", primaryBuilder.Base()),
|
|
},
|
|
"outDir")
|
|
|
|
ctx.Build(pctx, BuildParams{
|
|
Rule: soongDocs,
|
|
Output: docsFile,
|
|
Inputs: deps,
|
|
Args: map[string]string{
|
|
"outDir": PathForOutput(ctx, "docs").String(),
|
|
},
|
|
})
|
|
|
|
// Add a phony target for building the documentation
|
|
ctx.Phony("soong_docs", docsFile)
|
|
}
|