Exemplo n.º 1
0
Arquivo: main.go Projeto: ssrl/mgd
func main() {

	var ok bool
	var e os.Error
	var argv, args []string
	var config1, config2 string

	timer.Start("everything")
	defer reportTime()

	// default config location 1 $HOME/.gdrc
	config1 = filepath.Join(os.Getenv("HOME"), ".gdrc")
	argv, ok = handy.ConfigToArgv(config1)

	if ok {
		args = parseArgv(argv)
		if len(args) > 0 {
			log.Print("[WARNING] non-option arguments in config file\n")
		}
	}

	// default config location 2 $PWD/.gdrc
	config2 = filepath.Join(os.Getenv("PWD"), ".gdrc")
	argv, ok = handy.ConfigToArgv(config2)

	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
		cwd, e := os.Getwd()
		if e != nil {
			cwd = os.Getenv("PWD")
		}
		possibleSrc := cwd
		_, e = os.Stat(possibleSrc)
		srcdir, e = os.Getwd()
		if e != nil {
			fmt.Printf("usage: gd [OPTIONS] src-directory\n")
			os.Exit(1)
		}
	}

	if global.GetBool("-quiet") {
		say.Mute()
	}

	// delete all object/archive files
	if global.GetBool("-clean") {
		compiler.Remove865o(srcdir, false) // do not remove dir
		if global.GetString("-lib") != "" {
			if handy.IsDir(global.GetString("-lib")) {
				compiler.Remove865o(global.GetString("-lib"), true)
			}
		}
		os.Exit(0)
	}

	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()

	// 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
	compiler.Init(srcdir, global.GetString("-arch"), includes)
	if global.GetString("-lib") != "" {
		compiler.CreateLibArgv(sorted)
	} else {
		compiler.CreateArgv(sorted)
	}

	if runtime.GOMAXPROCS(-1) > 1 && !global.GetBool("-dryrun") {
		compiler.ParallelCompile(sorted)
	} else {
		compiler.SerialCompile(sorted)
	}

	// test
	if global.GetBool("-test") {
		os.Setenv("SRCROOT", srcdir)
		testMain, testDir := dgrph.MakeMainTest(srcdir)
		if global.GetString("-lib") != "" {
			compiler.CreateLibArgv(testMain)
		} else {
			compiler.CreateArgv(testMain)
		}
		compiler.SerialCompile(testMain)
		switch global.GetString("-backend") {
		case "gc", "express":
			compiler.ForkLink(global.GetString("-test-bin"), testMain, nil)
		case "gccgo", "gcc":
			compiler.ForkLink(global.GetString("-test-bin"), testMain, sorted)
		default:
			log.Fatalf("[ERROR] '%s' unknown back-end\n", global.GetString("-backend"))
		}
		compiler.DeletePackages(testMain)
		rmError := os.Remove(testDir)
		if rmError != nil {
			log.Printf("[ERROR] failed to remove testdir: %s\n", testDir)
		}
		testArgv := compiler.CreateTestArgv()
		if !global.GetBool("-dryrun") {
			say.Printf("testing  : ")
			if global.GetBool("-verbose") {
				say.Printf("\n")
			}
			ok = handy.StdExecve(testArgv, false)
			e = os.Remove(global.GetString("-test-bin"))
			if e != nil {
				log.Printf("[ERROR] %s\n", e)
			}
			if !ok {
				os.Exit(1)
			}
		} else {
			say.Printf("%s\n", strings.Join(testArgv, " "))
		}
	}

	if global.GetString("-output") != "" {
		compiler.ForkLink(global.GetString("-output"), sorted, nil)
	}

}
Exemplo n.º 2
0
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)
	}

}