// for removal of temoprary packages created for testing and so on..
func DeletePackages(pkgs []*dag.Package) bool {
var ok = true
for i := 0; i < len(pkgs); i++ {
for y := 0; y < len(pkgs[i].Files); y++ {
handy.Delete(pkgs[i].Files[y], false)
}
if !global.GetBool("-dryrun") {
pcompile := filepath.Join(libroot, pkgs[i].Name) + suffix
ok = handy.Delete(pcompile, false)
}
}
return ok
}
func DeleteObjects(dir string, pkgs []*dag.Package) {
var stub, tmp string
suffixes := []string{".8", ".6", ".5", ".o", ".vmo"}
libdir := global.GetString("-lib")
if libdir != "" {
dir = libdir
}
for i := 0; i < len(pkgs); i++ {
stub = filepath.Join(dir, pkgs[i].Name)
for j := 0; j < len(suffixes); j++ {
tmp = stub + suffixes[j]
if handy.IsFile(tmp) {
if global.GetBool("-dryrun") {
say.Printf("[dryrun] rm: %s\n", tmp)
} else {
say.Printf("rm: %s\n", tmp)
handy.Delete(tmp, false)
}
}
}
}
// remove entire dir if empty after objects are deleted.
// only do this if -lib is present, there is no reason to
// do this (extra treewalk) if objects are in src directory
if libdir != "" && handy.IsDir(dir) {
walker.IncludeFile = func(s string) bool { return true }
walker.IncludeDir = func(s string) bool { return true }
if len(walker.PathWalk(dir)) == 0 {
if global.GetBool("-dryrun") {
fmt.Printf("[dryrun] rm: %s\n", dir)
} else {
say.Printf("rm: %s\n", dir)
handy.RmRf(dir, true) // die on error
}
}
}
}
func main() {
var (
ok, up2date bool
e os.Error
argv, args []string
config = make([]string, 4)
)
timer.Start("everything")
defer reportTime()
// possible config locations
config[0] = filepath.Join(os.Getenv("XDG_CONFIG_HOME"), "godag", "gdrc")
config[1] = filepath.Join(os.Getenv("HOME"), ".config", "godag", "gdrc")
config[2] = filepath.Join(os.Getenv("HOME"), ".gdrc")
config[3] = filepath.Join(os.Getenv("PWD"), ".gdrc")
for _, conf := range config {
argv, ok = handy.ConfigToArgv(conf)
if ok {
args = parseArgv(argv)
if len(args) > 0 {
log.Print("[WARNING] non-option arguments in config file\n")
}
}
}
// command line arguments overrides/appends config
args = parseArgv(os.Args[1:])
if len(args) > 0 {
if len(args) > 1 {
log.Print("[WARNING] len(input directories) > 1\n")
}
srcdir = args[0]
if srcdir == "." {
srcdir, e = os.Getwd()
if e != nil {
log.Fatal("[ERROR] can't find working directory\n")
}
}
}
// expand variables in includes
for i := 0; i < len(includes); i++ {
includes[i] = os.ShellExpand(includes[i])
}
// expand variables in -lib
global.SetString("-lib", os.ShellExpand(global.GetString("-lib")))
// expand variables in -output
global.SetString("-output", os.ShellExpand(global.GetString("-output")))
// stuff that can be done without $GOROOT
if global.GetBool("-list") {
printListing()
os.Exit(0)
}
if global.GetBool("-help") {
printHelp()
os.Exit(0)
}
if global.GetBool("-version") {
printVersion()
os.Exit(0)
}
if len(args) == 0 {
// give nice feedback if missing input dir
if !handy.IsDir("src") {
fmt.Printf("usage: gd [OPTIONS] src-directory\n")
os.Exit(1)
}
}
if global.GetBool("-quiet") {
say.Mute()
}
handy.DirOrExit(srcdir)
files = walker.PathWalk(filepath.Clean(srcdir))
// gofmt on all files gathered
if global.GetBool("-fmt") {
compiler.FormatFiles(files)
os.Exit(0)
}
// parse the source code, look for dependencies
dgrph := dag.New()
dgrph.Parse(srcdir, files)
// print collected dependency info
if global.GetBool("-print") {
dgrph.PrintInfo()
os.Exit(0)
}
// draw graphviz dot graph
if global.GetString("-dot") != "" {
dgrph.MakeDotGraph(global.GetString("-dot"))
os.Exit(0)
}
gotRoot() //? (only matters to gc, gccgo and express ignores it)
// build &| update all external dependencies
if global.GetBool("-external") {
dgrph.External()
os.Exit(0)
}
// sort graph based on dependencies
dgrph.GraphBuilder()
sorted := dgrph.Topsort()
// clean only what we possibly could have generated…
if global.GetBool("-clean") {
compiler.DeleteObjects(srcdir, sorted)
os.Exit(0)
}
// print packages sorted
if global.GetBool("-sort") {
for i := 0; i < len(sorted); i++ {
fmt.Printf("%s\n", sorted[i].Name)
}
os.Exit(0)
}
// compile argv
compiler.Init(srcdir, includes)
if global.GetString("-lib") != "" {
compiler.CreateLibArgv(sorted)
} else {
compiler.CreateArgv(sorted)
}
// gdmk
if global.GetString("-gdmk") != "" {
gdmake.Make(global.GetString("-gdmk"), sorted, dgrph.Alien().Slice())
os.Exit(0)
}
// compile; up2date == true => 0 packages modified
if global.GetBool("-dryrun") {
compiler.Dryrun(sorted)
} else {
up2date = compiler.Compile(sorted) // updated parallel
}
// test
if global.GetBool("-test") {
os.Setenv("SRCROOT", srcdir)
testMain, testDir, testLib := dgrph.MakeMainTest(srcdir)
if global.GetString("-lib") != "" {
compiler.CreateLibArgv(testMain)
} else {
compiler.CreateArgv(testMain)
}
if !global.GetBool("-dryrun") {
compiler.Compile(testMain)
}
switch global.GetString("-backend") {
case "gc", "express":
compiler.ForkLink(global.GetString("-test-bin"), testMain, nil, false)
case "gccgo", "gcc":
compiler.ForkLink(global.GetString("-test-bin"), testMain, sorted, false)
default:
log.Fatalf("[ERROR] '%s' unknown back-end\n", global.GetString("-backend"))
}
compiler.DeletePackages(testMain)
handy.Delete(testDir, false)
if testLib != "" {
handy.Delete(testLib, false)
}
testArgv := compiler.CreateTestArgv()
if global.GetBool("-dryrun") {
testArgv[0] = filepath.Base(testArgv[0])
say.Printf("%s\n", strings.Join(testArgv, " "))
} else {
say.Printf("testing : ")
if global.GetBool("-verbose") || global.GetBool("-test.v") {
say.Printf("\n")
}
ok = handy.StdExecve(testArgv, false)
handy.Delete(global.GetString("-test-bin"), false)
if !ok {
os.Exit(1)
}
}
// if packages contain both test-files and regular files
// test-files should not be part of the objects, i.e. init
// functions in test-packages can cause unexpected behaviour
if compiler.ReCompile(sorted) {
say.Printf("recompile: --tests\n")
compiler.Compile(sorted)
}
}
// link if ! up2date
if global.GetString("-output") != "" {
compiler.ForkLink(global.GetString("-output"), sorted, nil, up2date)
}
}