1332b0035c
Using ctx.Config().(Config) everywhere is a mouthful, and it is inefficient to do the type assertion. Put the Config interface into the context, and provide an AConfig() to return the Config already converted to the right type. Change-Id: I301a1fd7d2a005580aabca7866a37c5d42ad8c69
94 lines
2.5 KiB
Go
94 lines
2.5 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 genrule
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import (
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"path/filepath"
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"github.com/google/blueprint"
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"github.com/google/blueprint/pathtools"
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"android/soong/common"
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)
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var (
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pctx = blueprint.NewPackageContext("android/soong/genrule")
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)
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func init() {
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pctx.VariableConfigMethod("srcDir", common.Config.SrcDir)
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}
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type SourceFileGenerator interface {
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GeneratedSourceFiles() []string
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}
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type genSrcsProperties struct {
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// cmd: command to run on each input file. Available variables for substitution:
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// $in: an input file
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// $out: the corresponding output file
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// $srcDir: the root directory of the source tree
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Cmd string
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// srcs: list of input files
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Srcs []string
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// output_extension: extension that will be substituted for each output file
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Output_extension string
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}
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func GenSrcsFactory() (blueprint.Module, []interface{}) {
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module := &genSrcs{}
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return common.InitAndroidModule(module, &module.properties)
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}
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type genSrcs struct {
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common.AndroidModuleBase
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properties genSrcsProperties
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outputFiles []string
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}
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func (g *genSrcs) GenerateAndroidBuildActions(ctx common.AndroidModuleContext) {
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rule := ctx.Rule(pctx, "genSrcs", blueprint.RuleParams{
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Command: g.properties.Cmd,
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})
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srcFiles := g.properties.Srcs
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srcFiles = pathtools.PrefixPaths(srcFiles, common.ModuleSrcDir(ctx))
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srcFiles = common.ExpandGlobs(ctx, srcFiles)
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g.outputFiles = make([]string, 0, len(srcFiles))
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for _, in := range srcFiles {
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out := pathtools.ReplaceExtension(in, g.properties.Output_extension)
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out = filepath.Join(common.ModuleGenDir(ctx), out)
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g.outputFiles = append(g.outputFiles, out)
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ctx.Build(pctx, blueprint.BuildParams{
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Rule: rule,
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Inputs: []string{in},
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Outputs: []string{out},
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// TODO: visit dependencies to add implicit dependencies on required tools
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})
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}
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}
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var _ SourceFileGenerator = (*genSrcs)(nil)
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func (g *genSrcs) GeneratedSourceFiles() []string {
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return g.outputFiles
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}
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