"io/ioutil"
"os"
"os/signal"
"strconv"
"strings"
"sync"
"syscall"
"unicode/utf8"
"github.com/elves/elvish/parse"
"github.com/elves/elvish/store"
"github.com/elves/elvish/sys"
"github.com/elves/elvish/util"
)
var Logger = util.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
Store *store.Store
Editor Editor
// Package store abstracts the persistent storage used by elvish.
package store
import (
"database/sql"
"fmt"
"net/url"
"sync"
"github.com/elves/elvish/util"
_ "github.com/mattn/go-sqlite3" // enable the "sqlite3" SQL driver
)
var Logger = util.GetLogger("[store] ")
var initDB = map[string](func(*sql.DB) error){}
// Store is the permanent storage backend for elvish.
type Store struct {
db *sql.DB
Waits sync.WaitGroup
}
// DefaultDB returns the default database for storage.
func DefaultDB(dbname string) (*sql.DB, error) {
uri := "file:" + url.QueryEscape(dbname) +
"?mode=rwc&cache=shared&vfs=unix-dotfile"
db, err := sql.Open("sqlite3", uri)
if err == nil {
db.SetMaxOpenConns(1)
}
import (
"bytes"
"fmt"
"os"
"sync"
"syscall"
"time"
"github.com/elves/elvish/eval"
"github.com/elves/elvish/parse"
"github.com/elves/elvish/store"
"github.com/elves/elvish/sys"
"github.com/elves/elvish/util"
)
var Logger = util.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
"os"
"os/signal"
"runtime/pprof"
"syscall"
"time"
"unicode/utf8"
"github.com/elves/elvish/edit"
"github.com/elves/elvish/eval"
"github.com/elves/elvish/parse"
"github.com/elves/elvish/store"
"github.com/elves/elvish/sys"
"github.com/elves/elvish/util"
)
var Logger = util.GetLogger("[main] ")
var (
log = flag.String("log", "", "a file to write debug log to")
dbname = flag.String("db", "", "path to the database")
cpuprofile = flag.String("cpuprofile", "", "write cpu profile to file")
help = flag.Bool("help", false, "show usage help and quit")
cmd = flag.Bool("c", false, "take first argument as a command to execute")
)
func usage() {
fmt.Println("usage: elvish [flags] [script]")
fmt.Println("flags:")
flag.PrintDefaults()
}