wide/vendor/github.com/nsf/gocode/gocode.go

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2018-03-13 07:10:52 +03:00
package main
import (
"flag"
"fmt"
"log"
"net/http"
_ "net/http/pprof"
"os"
"path/filepath"
)
var (
g_is_server = flag.Bool("s", false, "run a server instead of a client")
g_format = flag.String("f", "nice", "output format (vim | emacs | nice | csv | json)")
g_input = flag.String("in", "", "use this file instead of stdin input")
g_sock = create_sock_flag("sock", "socket type (unix | tcp)")
g_addr = flag.String("addr", "127.0.0.1:37373", "address for tcp socket")
g_debug = flag.Bool("debug", false, "enable server-side debug mode")
g_profile = flag.Int("profile", 0, "port on which to expose profiling information for pprof; 0 to disable profiling")
)
func get_socket_filename() string {
user := os.Getenv("USER")
if user == "" {
user = "all"
}
return filepath.Join(os.TempDir(), fmt.Sprintf("gocode-daemon.%s", user))
}
func show_usage() {
fmt.Fprintf(os.Stderr,
"Usage: %s [-s] [-f=<format>] [-in=<path>] [-sock=<type>] [-addr=<addr>]\n"+
" <command> [<args>]\n\n",
os.Args[0])
fmt.Fprintf(os.Stderr,
"Flags:\n")
flag.PrintDefaults()
fmt.Fprintf(os.Stderr,
"\nCommands:\n"+
" autocomplete [<path>] <offset> main autocompletion command\n"+
" close close the gocode daemon\n"+
" status gocode daemon status report\n"+
" drop-cache drop gocode daemon's cache\n"+
" set [<name> [<value>]] list or set config options\n")
}
func main() {
flag.Usage = show_usage
flag.Parse()
var retval int
if *g_is_server {
go func() {
if *g_profile <= 0 {
return
}
addr := fmt.Sprintf("localhost:%d", *g_profile)
// Use the following commands to profile the binary:
// go tool pprof http://localhost:6060/debug/pprof/profile # 30-second CPU profile
// go tool pprof http://localhost:6060/debug/pprof/heap # heap profile
// go tool pprof http://localhost:6060/debug/pprof/block # goroutine blocking profile
// See http://blog.golang.org/profiling-go-programs for more info.
log.Printf("enabling profiler on %s", addr)
log.Print(http.ListenAndServe(addr, nil))
}()
retval = do_server()
} else {
retval = do_client()
}
os.Exit(retval)
}