platform_build_soong/cmd/soong_ui/main.go

242 lines
6.8 KiB
Go

// Copyright 2017 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 main
import (
"context"
"flag"
"fmt"
"os"
"path/filepath"
"strconv"
"strings"
"time"
"android/soong/ui/build"
"android/soong/ui/logger"
"android/soong/ui/tracer"
)
func indexList(s string, list []string) int {
for i, l := range list {
if l == s {
return i
}
}
return -1
}
func inList(s string, list []string) bool {
return indexList(s, list) != -1
}
func main() {
log := logger.New(os.Stderr)
defer log.Cleanup()
if len(os.Args) < 2 || !(inList("--make-mode", os.Args) ||
os.Args[1] == "--dumpvars-mode" ||
os.Args[1] == "--dumpvar-mode") {
log.Fatalln("The `soong` native UI is not yet available.")
}
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
trace := tracer.New(log)
defer trace.Close()
build.SetupSignals(log, cancel, func() {
trace.Close()
log.Cleanup()
})
buildCtx := build.Context{&build.ContextImpl{
Context: ctx,
Logger: log,
Tracer: trace,
StdioInterface: build.StdioImpl{},
}}
var config build.Config
if os.Args[1] == "--dumpvars-mode" || os.Args[1] == "--dumpvar-mode" {
config = build.NewConfig(buildCtx)
} else {
config = build.NewConfig(buildCtx, os.Args[1:]...)
}
log.SetVerbose(config.IsVerbose())
build.SetupOutDir(buildCtx, config)
if config.Dist() {
logsDir := filepath.Join(config.DistDir(), "logs")
os.MkdirAll(logsDir, 0777)
log.SetOutput(filepath.Join(logsDir, "soong.log"))
trace.SetOutput(filepath.Join(logsDir, "build.trace"))
} else {
log.SetOutput(filepath.Join(config.OutDir(), "soong.log"))
trace.SetOutput(filepath.Join(config.OutDir(), "build.trace"))
}
if start, ok := os.LookupEnv("TRACE_BEGIN_SOONG"); ok {
if !strings.HasSuffix(start, "N") {
if start_time, err := strconv.ParseUint(start, 10, 64); err == nil {
log.Verbosef("Took %dms to start up.",
time.Since(time.Unix(0, int64(start_time))).Nanoseconds()/time.Millisecond.Nanoseconds())
buildCtx.CompleteTrace("startup", start_time, uint64(time.Now().UnixNano()))
}
}
if executable, err := os.Executable(); err == nil {
trace.ImportMicrofactoryLog(filepath.Join(filepath.Dir(executable), "."+filepath.Base(executable)+".trace"))
}
}
f := build.NewSourceFinder(buildCtx, config)
defer f.Shutdown()
build.FindSources(buildCtx, config, f)
if os.Args[1] == "--dumpvar-mode" {
dumpVar(buildCtx, config, os.Args[2:])
} else if os.Args[1] == "--dumpvars-mode" {
dumpVars(buildCtx, config, os.Args[2:])
} else {
toBuild := build.BuildAll
if config.Checkbuild() {
toBuild |= build.RunBuildTests
}
build.Build(buildCtx, config, toBuild)
}
}
func dumpVar(ctx build.Context, config build.Config, args []string) {
flags := flag.NewFlagSet("dumpvar", flag.ExitOnError)
flags.Usage = func() {
fmt.Fprintf(os.Stderr, "usage: %s --dumpvar-mode [--abs] <VAR>\n\n", os.Args[0])
fmt.Fprintln(os.Stderr, "In dumpvar mode, print the value of the legacy make variable VAR to stdout")
fmt.Fprintln(os.Stderr, "")
fmt.Fprintln(os.Stderr, "'report_config' is a special case that prints the human-readable config banner")
fmt.Fprintln(os.Stderr, "from the beginning of the build.")
fmt.Fprintln(os.Stderr, "")
flags.PrintDefaults()
}
abs := flags.Bool("abs", false, "Print the absolute path of the value")
flags.Parse(args)
if flags.NArg() != 1 {
flags.Usage()
os.Exit(1)
}
varName := flags.Arg(0)
if varName == "report_config" {
varData, err := build.DumpMakeVars(ctx, config, nil, build.BannerVars)
if err != nil {
ctx.Fatal(err)
}
fmt.Println(build.Banner(varData))
} else {
varData, err := build.DumpMakeVars(ctx, config, nil, []string{varName})
if err != nil {
ctx.Fatal(err)
}
if *abs {
var res []string
for _, path := range strings.Fields(varData[varName]) {
if abs, err := filepath.Abs(path); err == nil {
res = append(res, abs)
} else {
ctx.Fatalln("Failed to get absolute path of", path, err)
}
}
fmt.Println(strings.Join(res, " "))
} else {
fmt.Println(varData[varName])
}
}
}
func dumpVars(ctx build.Context, config build.Config, args []string) {
flags := flag.NewFlagSet("dumpvars", flag.ExitOnError)
flags.Usage = func() {
fmt.Fprintf(os.Stderr, "usage: %s --dumpvars-mode [--vars=\"VAR VAR ...\"]\n\n", os.Args[0])
fmt.Fprintln(os.Stderr, "In dumpvars mode, dump the values of one or more legacy make variables, in")
fmt.Fprintln(os.Stderr, "shell syntax. The resulting output may be sourced directly into a shell to")
fmt.Fprintln(os.Stderr, "set corresponding shell variables.")
fmt.Fprintln(os.Stderr, "")
fmt.Fprintln(os.Stderr, "'report_config' is a special case that dumps a variable containing the")
fmt.Fprintln(os.Stderr, "human-readable config banner from the beginning of the build.")
fmt.Fprintln(os.Stderr, "")
flags.PrintDefaults()
}
varsStr := flags.String("vars", "", "Space-separated list of variables to dump")
absVarsStr := flags.String("abs-vars", "", "Space-separated list of variables to dump (using absolute paths)")
varPrefix := flags.String("var-prefix", "", "String to prepend to all variable names when dumping")
absVarPrefix := flags.String("abs-var-prefix", "", "String to prepent to all absolute path variable names when dumping")
flags.Parse(args)
if flags.NArg() != 0 {
flags.Usage()
os.Exit(1)
}
vars := strings.Fields(*varsStr)
absVars := strings.Fields(*absVarsStr)
allVars := append([]string{}, vars...)
allVars = append(allVars, absVars...)
if i := indexList("report_config", allVars); i != -1 {
allVars = append(allVars[:i], allVars[i+1:]...)
allVars = append(allVars, build.BannerVars...)
}
if len(allVars) == 0 {
return
}
varData, err := build.DumpMakeVars(ctx, config, nil, allVars)
if err != nil {
ctx.Fatal(err)
}
for _, name := range vars {
if name == "report_config" {
fmt.Printf("%sreport_config='%s'\n", *varPrefix, build.Banner(varData))
} else {
fmt.Printf("%s%s='%s'\n", *varPrefix, name, varData[name])
}
}
for _, name := range absVars {
var res []string
for _, path := range strings.Fields(varData[name]) {
abs, err := filepath.Abs(path)
if err != nil {
ctx.Fatalln("Failed to get absolute path of", path, err)
}
res = append(res, abs)
}
fmt.Printf("%s%s='%s'\n", *absVarPrefix, name, strings.Join(res, " "))
}
}