"fmt"
"io/ioutil"
"os"
+ "regexp"
+ "runtime"
"sort"
+ "strconv"
+ "time"
"github.com/go-errors/errors"
isatty "github.com/mattn/go-isatty"
- "github.com/zyedidia/micro/internal/action"
- "github.com/zyedidia/micro/internal/buffer"
- "github.com/zyedidia/micro/internal/config"
- "github.com/zyedidia/micro/internal/screen"
- "github.com/zyedidia/micro/internal/util"
+ lua "github.com/yuin/gopher-lua"
+ "github.com/zyedidia/micro/v2/internal/action"
+ "github.com/zyedidia/micro/v2/internal/buffer"
+ "github.com/zyedidia/micro/v2/internal/config"
+ "github.com/zyedidia/micro/v2/internal/screen"
+ "github.com/zyedidia/micro/v2/internal/shell"
+ "github.com/zyedidia/micro/v2/internal/util"
"github.com/zyedidia/tcell"
)
flagVersion = flag.Bool("version", false, "Show the version number and information")
flagConfigDir = flag.String("config-dir", "", "Specify a custom location for the configuration directory")
flagOptions = flag.Bool("options", false, "Show all option help")
+ flagDebug = flag.Bool("debug", false, "Enable debug mode (prints debug info to ./log.txt)")
+ flagPlugin = flag.String("plugin", "", "Plugin command")
+ flagClean = flag.Bool("clean", false, "Clean configuration directory")
optionFlags map[string]*string
)
func InitFlags() {
flag.Usage = func() {
fmt.Println("Usage: micro [OPTIONS] [FILE]...")
+ fmt.Println("-clean")
+ fmt.Println(" \tCleans the configuration directory")
fmt.Println("-config-dir dir")
fmt.Println(" \tSpecify a custom location for the configuration directory")
- fmt.Println("[FILE]:LINE:COL")
+ fmt.Println("[FILE]:LINE:COL (if the `parsecursor` option is enabled)")
+ fmt.Println("+LINE:COL")
fmt.Println(" \tSpecify a line and column to start the cursor at when opening a buffer")
- fmt.Println(" \tThis can also be done by opening file:LINE:COL")
fmt.Println("-options")
fmt.Println(" \tShow all option help")
+ fmt.Println("-debug")
+ fmt.Println(" \tEnable debug mode (enables logging to ./log.txt)")
fmt.Println("-version")
fmt.Println(" \tShow the version number and information")
+ fmt.Print("\nMicro's plugin's can be managed at the command line with the following commands.\n")
+ fmt.Println("-plugin install [PLUGIN]...")
+ fmt.Println(" \tInstall plugin(s)")
+ fmt.Println("-plugin remove [PLUGIN]...")
+ fmt.Println(" \tRemove plugin(s)")
+ fmt.Println("-plugin update [PLUGIN]...")
+ fmt.Println(" \tUpdate plugin(s) (if no argument is given, updates all plugins)")
+ fmt.Println("-plugin search [PLUGIN]...")
+ fmt.Println(" \tSearch for a plugin")
+ fmt.Println("-plugin list")
+ fmt.Println(" \tList installed plugins")
+ fmt.Println("-plugin available")
+ fmt.Println(" \tList available plugins")
+
fmt.Print("\nMicro's options can also be set via command line arguments for quick\nadjustments. For real configuration, please use the settings.json\nfile (see 'help options').\n\n")
fmt.Println("-option value")
fmt.Println(" \tSet `option` to `value` for this session")
// If -options was passed
var keys []string
m := config.DefaultAllSettings()
- for k, _ := range m {
+ for k := range m {
keys = append(keys, k)
}
sort.Strings(keys)
}
os.Exit(0)
}
+
+ if util.Debug == "OFF" && *flagDebug {
+ util.Debug = "ON"
+ }
+}
+
+// DoPluginFlags parses and executes any flags that require LoadAllPlugins (-plugin and -clean)
+func DoPluginFlags() {
+ if *flagClean || *flagPlugin != "" {
+ config.LoadAllPlugins()
+
+ if *flagPlugin != "" {
+ args := flag.Args()
+
+ config.PluginCommand(os.Stdout, *flagPlugin, args)
+ } else if *flagClean {
+ CleanConfig()
+ }
+
+ os.Exit(0)
+ }
}
// LoadInput determines which files should be loaded into buffers
// based on the input stored in flag.Args()
-func LoadInput() []*buffer.Buffer {
+func LoadInput(args []string) []*buffer.Buffer {
// There are a number of ways micro should start given its input
// 1. If it is given a files in flag.Args(), it should open those
var filename string
var input []byte
var err error
- args := flag.Args()
buffers := make([]*buffer.Buffer, 0, len(args))
- if len(args) > 0 {
+ btype := buffer.BTDefault
+ if !isatty.IsTerminal(os.Stdout.Fd()) {
+ btype = buffer.BTStdout
+ }
+
+ files := make([]string, 0, len(args))
+ flagStartPos := buffer.Loc{-1, -1}
+ flagr := regexp.MustCompile(`^\+(\d+)(?::(\d+))?$`)
+ for _, a := range args {
+ match := flagr.FindStringSubmatch(a)
+ if len(match) == 3 && match[2] != "" {
+ line, err := strconv.Atoi(match[1])
+ if err != nil {
+ screen.TermMessage(err)
+ continue
+ }
+ col, err := strconv.Atoi(match[2])
+ if err != nil {
+ screen.TermMessage(err)
+ continue
+ }
+ flagStartPos = buffer.Loc{col - 1, line - 1}
+ } else if len(match) == 3 && match[2] == "" {
+ line, err := strconv.Atoi(match[1])
+ if err != nil {
+ screen.TermMessage(err)
+ continue
+ }
+ flagStartPos = buffer.Loc{0, line - 1}
+ } else {
+ files = append(files, a)
+ }
+ }
+
+ if len(files) > 0 {
// Option 1
// We go through each file and load it
- for i := 0; i < len(args); i++ {
- buf, err := buffer.NewBufferFromFile(args[i], buffer.BTDefault)
+ for i := 0; i < len(files); i++ {
+ buf, err := buffer.NewBufferFromFileAtLoc(files[i], btype, flagStartPos)
if err != nil {
screen.TermMessage(err)
continue
screen.TermMessage("Error reading from stdin: ", err)
input = []byte{}
}
- buffers = append(buffers, buffer.NewBufferFromString(string(input), filename, buffer.BTDefault))
+ buffers = append(buffers, buffer.NewBufferFromStringAtLoc(string(input), filename, btype, flagStartPos))
} else {
// Option 3, just open an empty buffer
- buffers = append(buffers, buffer.NewBufferFromString(string(input), filename, buffer.BTDefault))
+ buffers = append(buffers, buffer.NewBufferFromStringAtLoc(string(input), filename, btype, flagStartPos))
}
return buffers
}
func main() {
- var err error
+ defer func() {
+ if util.Stdout.Len() > 0 {
+ fmt.Fprint(os.Stdout, util.Stdout.String())
+ }
+ os.Exit(0)
+ }()
- InitLog()
+ // runtime.SetCPUProfileRate(400)
+ // f, _ := os.Create("micro.prof")
+ // pprof.StartCPUProfile(f)
+ // defer pprof.StopCPUProfile()
+
+ var err error
InitFlags()
+ InitLog()
+
err = config.InitConfigDir(*flagConfigDir)
if err != nil {
screen.TermMessage(err)
if err != nil {
screen.TermMessage(err)
}
- config.InitGlobalSettings()
+ err = config.InitGlobalSettings()
+ if err != nil {
+ screen.TermMessage(err)
+ }
// flag options
for k, v := range optionFlags {
}
}
- action.InitBindings()
- action.InitCommands()
-
- err = config.InitColorscheme()
- if err != nil {
- screen.TermMessage(err)
- }
+ DoPluginFlags()
- config.LoadAllPlugins()
- err = config.RunPluginFn("init")
+ err = screen.Init()
if err != nil {
- screen.TermMessage(err)
+ fmt.Println(err)
+ fmt.Println("Fatal: Micro could not initialize a Screen.")
+ os.Exit(1)
}
- screen.Init()
-
- // If we have an error, we can exit cleanly and not completely
- // mess up the terminal being worked in
- // In other words we need to shut down tcell before the program crashes
defer func() {
if err := recover(); err != nil {
screen.Screen.Fini()
fmt.Println("Micro encountered an error:", err)
+ // backup all open buffers
+ for _, b := range buffer.OpenBuffers {
+ b.Backup(false)
+ }
// Print the stack trace too
fmt.Print(errors.Wrap(err, 2).ErrorStack())
os.Exit(1)
}
}()
- b := LoadInput()
+ err = config.LoadAllPlugins()
+ if err != nil {
+ screen.TermMessage(err)
+ }
+
+ action.InitBindings()
+ action.InitCommands()
+
+ err = config.InitColorscheme()
+ if err != nil {
+ screen.TermMessage(err)
+ }
+
+ args := flag.Args()
+ b := LoadInput(args)
+
+ if len(b) == 0 {
+ // No buffers to open
+ screen.Screen.Fini()
+ runtime.Goexit()
+ }
+
action.InitTabs(b)
action.InitGlobals()
- for _, s := range config.LocalSettings {
- if _, ok := config.GlobalSettings[s]; ok {
- delete(config.GlobalSettings, s)
- }
+ err = config.RunPluginFn("init")
+ if err != nil {
+ screen.TermMessage(err)
}
+ events = make(chan tcell.Event)
+
// Here is the event loop which runs in a separate thread
go func() {
- events = make(chan tcell.Event)
for {
screen.Lock()
e := screen.Screen.PollEvent()
}
}()
- for {
- // Display everything
- screen.Screen.Fill(' ', config.DefStyle)
- screen.Screen.HideCursor()
- action.Tabs.Display()
- for _, ep := range action.MainTab().Panes {
- ep.Display()
- }
- action.MainTab().Display()
- action.InfoBar.Display()
- screen.Screen.Show()
+ // clear the drawchan so we don't redraw excessively
+ // if someone requested a redraw before we started displaying
+ for len(screen.DrawChan()) > 0 {
+ <-screen.DrawChan()
+ }
- var event tcell.Event
+ // wait for initial resize event
+ select {
+ case event := <-events:
+ action.Tabs.HandleEvent(event)
+ case <-time.After(10 * time.Millisecond):
+ // time out after 10ms
+ }
- // Check for new events
- select {
- case event = <-events:
- case <-screen.DrawChan:
- }
+ // Since this loop is very slow (waits for user input every time) it's
+ // okay to be inefficient and run it via a function every time
+ // We do this so we can recover from panics without crashing the editor
+ for {
+ DoEvent()
+ }
+}
+
+// DoEvent runs the main action loop of the editor
+func DoEvent() {
+ var event tcell.Event
- if event != nil {
- if action.InfoBar.HasPrompt {
- action.InfoBar.HandleEvent(event)
+ // recover from errors without crashing the editor
+ defer func() {
+ if err := recover(); err != nil {
+ if e, ok := err.(*lua.ApiError); ok {
+ screen.TermMessage("Lua API error:", e)
} else {
- action.Tabs.HandleEvent(event)
+ screen.TermMessage("Micro encountered an error:", errors.Wrap(err, 2).ErrorStack(), "\nIf you can reproduce this error, please report it at https://github.com/zyedidia/micro/issues")
}
}
+ }()
+ // Display everything
+ screen.Screen.Fill(' ', config.DefStyle)
+ screen.Screen.HideCursor()
+ action.Tabs.Display()
+ for _, ep := range action.MainTab().Panes {
+ ep.Display()
+ }
+ action.MainTab().Display()
+ action.InfoBar.Display()
+ screen.Screen.Show()
+
+ // Check for new events
+ select {
+ case f := <-shell.Jobs:
+ // If a new job has finished while running in the background we should execute the callback
+ f.Function(f.Output, f.Args)
+ case <-config.Autosave:
+ for _, b := range buffer.OpenBuffers {
+ b.Save()
+ }
+ case <-shell.CloseTerms:
+ case event = <-events:
+ case <-screen.DrawChan():
+ for len(screen.DrawChan()) > 0 {
+ <-screen.DrawChan()
+ }
+ }
+
+ if action.InfoBar.HasPrompt {
+ action.InfoBar.HandleEvent(event)
+ } else {
+ action.Tabs.HandleEvent(event)
}
}
projects / micro.git / blobdiff