package edit
import (
"fmt"
"os"
"syscall"
"github.com/elves/elvish/errutil"
"github.com/elves/elvish/eval"
"github.com/elves/elvish/logutil"
"github.com/elves/elvish/parse"
"github.com/elves/elvish/store"
"github.com/elves/elvish/sys"
)
var Logger = logutil.GetLogger("[edit] ")
const (
lackEOLRune = '\u23ce'
lackEOL = "\033[7m" + string(lackEOLRune) + "\033[m"
)
// Editor keeps the status of the line editor.
type Editor struct {
file *os.File
writer *writer
reader *Reader
sigs chan os.Signal
store *store.Store
evaler *eval.Evaler
cmdSeq int
"github.com/elves/elvish/errutil"
"github.com/elves/elvish/eval"
"github.com/elves/elvish/logutil"
"github.com/elves/elvish/osutil"
"github.com/elves/elvish/parse"
"github.com/elves/elvish/store"
"github.com/elves/elvish/sys"
)
const (
sigchSize = 32
outChanSize = 32
outChanLeader = "▶ "
)
var Logger = logutil.GetLogger("[main] ")
func usage() {
fmt.Println("usage: elvish [flags] [script]")
fmt.Println("flags:")
flag.PrintDefaults()
}
var (
log = flag.String("log", "", "a file to write debug log to")
dbname = flag.String("db", "", "path to the database")
help = flag.Bool("help", false, "show usage help and quit")
)
func main() {
defer rescue()
import (
"fmt"
"io/ioutil"
"os"
"strconv"
"strings"
"syscall"
"unicode/utf8"
"github.com/elves/elvish/errutil"
"github.com/elves/elvish/logutil"
"github.com/elves/elvish/parse"
"github.com/elves/elvish/store"
)
var Logger = logutil.GetLogger("[eval] ")
// FnPrefix is the prefix for the variable names of functions. Defining a
// function "foo" is equivalent to setting a variable named FnPrefix + "foo".
const FnPrefix = "&"
// Namespace is a map from name to variables.
type Namespace map[string]Variable
// Evaler is used to evaluate elvish sources. It maintains runtime context
// shared among all evalCtx instances.
type Evaler struct {
global Namespace
modules map[string]Namespace
searchPaths []string
store *store.Store