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Use actual lua functions for callbacks instead of strings

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This commit is contained in:
Zachary Yedidia 2020-02-08 15:49:41 -05:00
parent c4bfa825a1
commit 8a907956d1
11 changed files with 87 additions and 169 deletions
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2
cmd/micro/initlua.go
View file

@ -60,7 +60,7 @@ func luaImportMicro() *lua.LTable {
func luaImportMicroConfig() *lua.LTable {
pkg := ulua.L.NewTable()
ulua.L.SetField(pkg, "MakeCommand", luar.New(ulua.L, action.LuaMakeCommand))
ulua.L.SetField(pkg, "MakeCommand", luar.New(ulua.L, action.MakeCommand))
ulua.L.SetField(pkg, "FileComplete", luar.New(ulua.L, buffer.FileComplete))
ulua.L.SetField(pkg, "HelpComplete", luar.New(ulua.L, action.HelpComplete))
ulua.L.SetField(pkg, "OptionComplete", luar.New(ulua.L, action.OptionComplete))

2
cmd/micro/micro.go
View file

@ -312,7 +312,7 @@ func main() {
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...)
f.Function(f.Output, f.Args)
case <-config.Autosave:
for _, b := range buffer.OpenBuffers {
b.Save()

32
internal/action/command.go
View file

@ -12,13 +12,9 @@ import (
"strings"
"unicode/utf8"
luar "layeh.com/gopher-luar"
shellquote "github.com/kballard/go-shellquote"
lua "github.com/yuin/gopher-lua"
"github.com/zyedidia/micro/internal/buffer"
"github.com/zyedidia/micro/internal/config"
ulua "github.com/zyedidia/micro/internal/lua"
"github.com/zyedidia/micro/internal/screen"
"github.com/zyedidia/micro/internal/shell"
"github.com/zyedidia/micro/internal/util"
@ -71,29 +67,9 @@ func InitCommands() {
// MakeCommand is a function to easily create new commands
// This can be called by plugins in Lua so that plugins can define their own commands
func LuaMakeCommand(name, function string, completer buffer.Completer) {
action := LuaFunctionCommand(function)
commands[name] = Command{action, completer}
}
// LuaFunctionCommand returns a normal function
// so that a command can be bound to a lua function
func LuaFunctionCommand(fn string) func(*BufPane, []string) {
luaFn := strings.Split(fn, ".")
if len(luaFn) <= 1 {
return nil
}
plName, plFn := luaFn[0], luaFn[1]
pl := config.FindPlugin(plName)
if pl == nil {
return nil
}
return func(bp *BufPane, args []string) {
luaArgs := []lua.LValue{luar.New(ulua.L, bp), luar.New(ulua.L, args)}
_, err := pl.Call(plFn, luaArgs...)
if err != nil {
screen.TermMessage(err)
}
func MakeCommand(name string, action func(bp *BufPane, args []string), completer buffer.Completer) {
if action != nil {
commands[name] = Command{action, completer}
}
}
@ -843,7 +819,7 @@ func (h *BufPane) TermCmd(args []string) {
term := func(i int, newtab bool) {
t := new(shell.Terminal)
t.Start(args, false, true, "", nil)
t.Start(args, false, true, nil, nil)
id := h.ID()
if newtab {

7
internal/action/terminal_supported.go
View file

@ -7,9 +7,14 @@ import (
"github.com/zyedidia/micro/internal/shell"
)
// TermEmuSupported is a constant that marks if the terminal emulator is supported
const TermEmuSupported = true
func RunTermEmulator(h *BufPane, input string, wait bool, getOutput bool, callback string, userargs []interface{}) error {
// RunTermEmulator starts a terminal emulator from a bufpane with the given input (command)
// if wait is true it will wait for the user to exit by pressing enter once the executable has terminated
// if getOutput is true it will redirect the stdout of the process to a pipe which will be passed to the
// callback which is a function that takes a string and a list of optional user arguments
func RunTermEmulator(h *BufPane, input string, wait bool, getOutput bool, callback func(out string, userargs []interface{}), userargs []interface{}) error {
args, err := shellquote.Split(input)
if err != nil {
return err

4
internal/action/terminal_unsupported.go
View file

@ -4,8 +4,10 @@ package action
import "errors"
// TermEmuSupported is a constant that marks if the terminal emulator is supported
const TermEmuSupported = false
func RunTermEmulator(input string, wait bool, getOutput bool, callback string, userargs []interface{}) error {
// RunTermEmulator returns an error for unsupported systems (non-unix systems
func RunTermEmulator(input string, wait bool, getOutput bool, callback func(out string, userargs []interface{}), userargs []interface{}) error {
return errors.New("Unsupported operating system")
}

60
internal/config/runtime.go
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File diff suppressed because one or more lines are too long

63
internal/info/infobuffer.go
View file

@ -2,14 +2,8 @@ package info
import (
"fmt"
"strings"
"github.com/zyedidia/micro/internal/buffer"
luar "layeh.com/gopher-luar"
"github.com/zyedidia/micro/internal/config"
ulua "github.com/zyedidia/micro/internal/lua"
"github.com/zyedidia/micro/internal/screen"
)
// The InfoBuf displays messages and other info at the bottom of the screen.
@ -134,63 +128,6 @@ func (i *InfoBuf) YNPrompt(prompt string, donecb func(bool, bool)) {
i.YNCallback = donecb
}
// PlugPrompt provides a plugin interface for calling "Prompt" with the appropriate Lua callbacks
func (i *InfoBuf) PlugPrompt(prompt string, msg string, ptype string, eventcb string, donecb string) {
eventLuaFn := strings.Split(eventcb, ".")
doneLuaFn := strings.Split(donecb, ".")
var luaEventcb func(string)
var luaDonecb func(string, bool)
if len(eventLuaFn) == 2 {
plName, plFn := doneLuaFn[0], doneLuaFn[1]
pl := config.FindPlugin(plName)
if pl != nil {
luaEventcb = func(resp string) {
_, err := pl.Call(plFn, luar.New(ulua.L, resp))
if err != nil && err != config.ErrNoSuchFunction {
screen.TermMessage(err)
}
}
}
}
if len(doneLuaFn) == 2 {
plName, plFn := doneLuaFn[0], doneLuaFn[1]
pl := config.FindPlugin(plName)
if pl != nil {
luaDonecb = func(resp string, canceled bool) {
_, err := pl.Call(plFn, luar.New(ulua.L, resp), luar.New(ulua.L, canceled))
if err != nil && err != config.ErrNoSuchFunction {
screen.TermMessage(err)
}
}
}
}
i.Prompt(prompt, msg, ptype, luaEventcb, luaDonecb)
}
// PlugYNPrompt provides a plugin interface for calling "YNPrompt" with the appropriate Lua callbacks
func (i *InfoBuf) PlugYNPrompt(prompt string, donecb string) {
doneLuaFn := strings.Split(donecb, ".")
var luaDonecb func(bool, bool)
if len(doneLuaFn) == 2 {
plName, plFn := doneLuaFn[0], doneLuaFn[1]
pl := config.FindPlugin(plName)
if pl != nil {
luaDonecb = func(resp bool, canceled bool) {
_, err := pl.Call(plFn, luar.New(ulua.L, resp), luar.New(ulua.L, canceled))
if err != nil && err != config.ErrNoSuchFunction {
screen.TermMessage(err)
}
}
}
}
i.YNPrompt(prompt, luaDonecb)
}
// DonePrompt finishes the current prompt and indicates whether or not it was canceled
func (i *InfoBuf) DonePrompt(canceled bool) {
hadYN := i.HasYN

48
internal/shell/job.go
View file

@ -4,14 +4,6 @@ import (
"bytes"
"io"
"os/exec"
"strings"
luar "layeh.com/gopher-luar"
lua "github.com/yuin/gopher-lua"
"github.com/zyedidia/micro/internal/config"
ulua "github.com/zyedidia/micro/internal/lua"
"github.com/zyedidia/micro/internal/screen"
)
var Jobs chan JobFunction
@ -32,7 +24,7 @@ func init() {
// JobFunction is a representation of a job (this data structure is what is loaded
// into the jobs channel)
type JobFunction struct {
Function func(string, ...interface{})
Function func(string, []interface{})
Output string
Args []interface{}
}
@ -41,7 +33,7 @@ type JobFunction struct {
type CallbackFile struct {
io.Writer
callback func(string, ...interface{})
callback func(string, []interface{})
args []interface{}
}
@ -55,23 +47,23 @@ func (f *CallbackFile) Write(data []byte) (int, error) {
// JobStart starts a shell command in the background with the given callbacks
// It returns an *exec.Cmd as the job id
func JobStart(cmd string, onStdout, onStderr, onExit string, userargs ...interface{}) *exec.Cmd {
func JobStart(cmd string, onStdout, onStderr, onExit func(string, []interface{}), userargs ...interface{}) *exec.Cmd {
return JobSpawn("sh", []string{"-c", cmd}, onStdout, onStderr, onExit, userargs...)
}
// JobSpawn starts a process with args in the background with the given callbacks
// It returns an *exec.Cmd as the job id
func JobSpawn(cmdName string, cmdArgs []string, onStdout, onStderr, onExit string, userargs ...interface{}) *exec.Cmd {
func JobSpawn(cmdName string, cmdArgs []string, onStdout, onStderr, onExit func(string, []interface{}), userargs ...interface{}) *exec.Cmd {
// Set up everything correctly if the functions have been provided
proc := exec.Command(cmdName, cmdArgs...)
var outbuf bytes.Buffer
if onStdout != "" {
proc.Stdout = &CallbackFile{&outbuf, luaFunctionJob(onStdout), userargs}
if onStdout != nil {
proc.Stdout = &CallbackFile{&outbuf, onStdout, userargs}
} else {
proc.Stdout = &outbuf
}
if onStderr != "" {
proc.Stderr = &CallbackFile{&outbuf, luaFunctionJob(onStderr), userargs}
if onStderr != nil {
proc.Stderr = &CallbackFile{&outbuf, onStderr, userargs}
} else {
proc.Stderr = &outbuf
}
@ -79,7 +71,7 @@ func JobSpawn(cmdName string, cmdArgs []string, onStdout, onStderr, onExit strin
go func() {
// Run the process in the background and create the onExit callback
proc.Run()
jobFunc := JobFunction{luaFunctionJob(onExit), string(outbuf.Bytes()), userargs}
jobFunc := JobFunction{onExit, string(outbuf.Bytes()), userargs}
Jobs <- jobFunc
}()
@ -100,25 +92,3 @@ func JobSend(cmd *exec.Cmd, data string) {
stdin.Write([]byte(data))
}
// luaFunctionJob returns a function that will call the given lua function
// structured as a job call i.e. the job output and arguments are provided
// to the lua function
func luaFunctionJob(fn string) func(string, ...interface{}) {
luaFn := strings.Split(fn, ".")
if len(luaFn) <= 1 {
return nil
}
plName, plFn := luaFn[0], luaFn[1]
pl := config.FindPlugin(plName)
if pl == nil {
return nil
}
return func(output string, args ...interface{}) {
luaArgs := []lua.LValue{luar.New(ulua.L, output), luar.New(ulua.L, args)}
_, err := pl.Call(plFn, luaArgs...)
if err != nil && err != config.ErrNoSuchFunction {
screen.TermMessage(err)
}
}
}

23
internal/shell/terminal.go
View file

@ -4,15 +4,10 @@ import (
"bytes"
"os/exec"
"strconv"
"strings"
lua "github.com/yuin/gopher-lua"
"github.com/zyedidia/micro/internal/buffer"
"github.com/zyedidia/micro/internal/config"
ulua "github.com/zyedidia/micro/internal/lua"
"github.com/zyedidia/micro/internal/screen"
"github.com/zyedidia/terminal"
luar "layeh.com/gopher-luar"
)
type TermType int
@ -74,7 +69,7 @@ func (t *Terminal) GetSelection(width int) string {
}
// Start begins a new command in this terminal with a given view
func (t *Terminal) Start(execCmd []string, getOutput bool, wait bool, callback string, userargs []interface{}) error {
func (t *Terminal) Start(execCmd []string, getOutput bool, wait bool, callback func(out string, userargs []interface{}), userargs []interface{}) error {
if len(execCmd) <= 0 {
return nil
}
@ -93,20 +88,8 @@ func (t *Terminal) Start(execCmd []string, getOutput bool, wait bool, callback s
t.Status = TTRunning
t.title = execCmd[0] + ":" + strconv.Itoa(cmd.Process.Pid)
t.wait = wait
luaFn := strings.Split(callback, ".")
if len(luaFn) >= 2 {
plName, plFn := luaFn[0], luaFn[1]
pl := config.FindPlugin(plName)
if pl != nil {
t.callback = func(out string) {
luaArgs := []lua.LValue{luar.New(ulua.L, out), luar.New(ulua.L, userargs)}
_, err := pl.Call(plFn, luaArgs...)
if err != nil {
screen.TermMessage(err)
}
}
}
t.callback = func(out string) {
callback(out, userargs)
}
go func() {

2
runtime/plugins/comment/comment.lua
View file

@ -105,7 +105,7 @@ function string.starts(String,Start)
end
function init()
config.MakeCommand("comment", "comment.comment", config.NoComplete)
config.MakeCommand("comment", comment, config.NoComplete)
config.TryBindKey("Alt-/", "lua:comment.comment", false)
config.AddRuntimeFile("comment", config.RTHelp, "help/comment.md")
end

13
runtime/plugins/linter/linter.lua
View file

@ -82,13 +82,12 @@ function init()
makeLinter("swiftc", "swiftc", {"%f"}, "%f:%l:%c:.+: %m", {"linux"}, true)
makeLinter("yaml", "yaml", "yamllint", {"--format", "parsable", "%f"}, "%f:%l:%c:.+ %m")
config.MakeCommand("lint", "linter.lintCmd", config.NoComplete)
config.AddRuntimeFile("linter", config.RTHelp, "help/linter.md")
end
config.MakeCommand("lint", function(bp, args)
bp:Save()
runLinter(bp.Buf)
end, config.NoComplete)
function lintCmd(bp, args)
bp:Save()
runLinter(bp.Buf)
config.AddRuntimeFile("linter", config.RTHelp, "help/linter.md")
end
function contains(list, element)
@ -144,7 +143,7 @@ function lint(buf, linter, cmd, args, errorformat, loff, coff, callback)
end
end
shell.JobSpawn(cmd, args, "", "", "linter.onExit", buf, linter, errorformat, loff, coff)
shell.JobSpawn(cmd, args, nil, nil, onExit, buf, linter, errorformat, loff, coff)
end
function onExit(output, args)