Full extensible linter support

cmd/micro/initlua.go

@@ -28,6 +28,8 @@ func LuaImport(pkg string) *lua.LTable {
 		return luaImportMicroShell()
 	case "micro/buffer":
 		return luaImportMicroBuffer()
+	case "micro/config":
+		return luaImportMicroConfig()
 	case "micro/util":
 		return luaImportMicroUtil()
 	default:
@@ -43,7 +45,20 @@ func luaImportMicro() *lua.LTable {
 	ulua.L.SetField(pkg, "InfoBar", luar.New(ulua.L, action.GetInfoBar))
 	ulua.L.SetField(pkg, "Log", luar.New(ulua.L, log.Println))
 	ulua.L.SetField(pkg, "SetStatusInfoFn", luar.New(ulua.L, display.SetStatusInfoFnLua))
-	// ulua.L.SetField(pkg, "TryBindKey", luar.New(ulua.L, action.TryBindKey))
+
+	return pkg
+}
+
+func luaImportMicroConfig() *lua.LTable {
+	pkg := ulua.L.NewTable()
+
+	ulua.L.SetField(pkg, "MakeCommand", luar.New(ulua.L, action.LuaMakeCommand))
+	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))
+	ulua.L.SetField(pkg, "OptionValueComplete", luar.New(ulua.L, action.OptionValueComplete))
+	ulua.L.SetField(pkg, "NoComplete", luar.New(ulua.L, nil))
+	ulua.L.SetField(pkg, "TryBindKey", luar.New(ulua.L, action.TryBindKey))
 
 	return pkg
 }

internal/action/command.go

@@ -10,8 +10,12 @@ import (
 	"strings"
 	"unicode/utf8"
 
+	luar "layeh.com/gopher-luar"
+
+	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"
@@ -63,16 +67,29 @@ 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 MakeCommand(name, function string, completions ...Completion) {
-// 	action := commandActions[function]
-// 	// if _, ok := commandActions[function]; !ok {
-// 	// If the user seems to be binding a function that doesn't exist
-// 	// We hope that it's a lua function that exists and bind it to that
-// 	// action = LuaFunctionCommand(function)
-// 	// }
-//
-// 	commands[name] = Command{action, completions}
-// }
+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, ".")
+	plName, plFn := luaFn[0], luaFn[1]
+	pl := config.FindPlugin(plName)
+	return func(bp *BufPane, args []string) {
+		var luaArgs []lua.LValue
+		luaArgs = append(luaArgs, luar.New(ulua.L, bp))
+		for _, v := range args {
+			luaArgs = append(luaArgs, luar.New(ulua.L, v))
+		}
+		_, err := pl.Call(plFn, luaArgs...)
+		if err != nil {
+			screen.TermMessage(err)
+		}
+	}
+}
 
 // CommandEditAction returns a bindable function that opens a prompt with
 // the given string and executes the command when the user presses
@@ -456,7 +473,6 @@ func (h *BufPane) SetLocalCmd(args []string) {
 	if err != nil {
 		InfoBar.Error(err)
 	}
-
 }
 
 // ShowCmd shows the value of the given option

internal/config/plugin.go

@@ -95,9 +95,7 @@ func (p *Plugin) Load() error {
 			return err
 		}
 		p.Loaded = true
-		if _, ok := GlobalSettings[p.Name]; !ok {
-			AddOption(p.Name, true)
-		}
+		RegisterGlobalOption(p.Name, true)
 	}
 	return nil
 }

internal/config/settings.go

@@ -114,12 +114,35 @@ func WriteSettings(filename string) error {
 	return err
 }
 
-// AddOption creates a new option. This is meant to be called by plugins to add options.
-func AddOption(name string, value interface{}) error {
-	GlobalSettings[name] = value
-	err := WriteSettings(ConfigDir + "/settings.json")
-	if err != nil {
-		return errors.New("Error writing settings.json file: " + err.Error())
+// RegisterCommonOption creates a new option. This is meant to be called by plugins to add options.
+func RegisterCommonOption(name string, defaultvalue interface{}) error {
+	if v, ok := GlobalSettings[name]; !ok {
+		defaultCommonSettings[name] = defaultvalue
+		GlobalSettings[name] = defaultvalue
+		err := WriteSettings(ConfigDir + "/settings.json")
+		if err != nil {
+			return errors.New("Error writing settings.json file: " + err.Error())
+		}
+	} else {
+		defaultCommonSettings[name] = v
+	}
+	return nil
+}
+
+func RegisterLocalOption(name string, defaultvalue interface{}) {
+	defaultLocalSettings[name] = defaultvalue
+}
+
+func RegisterGlobalOption(name string, defaultvalue interface{}) error {
+	if v, ok := GlobalSettings[name]; !ok {
+		defaultGlobalSettings[name] = defaultvalue
+		GlobalSettings[name] = defaultvalue
+		err := WriteSettings(ConfigDir + "/settings.json")
+		if err != nil {
+			return errors.New("Error writing settings.json file: " + err.Error())
+		}
+	} else {
+		defaultGlobalSettings[name] = v
 	}
 	return nil
 }
@@ -129,42 +152,40 @@ func GetGlobalOption(name string) interface{} {
 	return GlobalSettings[name]
 }
 
-func DefaultCommonSettings() map[string]interface{} {
-	return map[string]interface{}{
-		"autoindent":     true,
-		"autosave":       false,
-		"basename":       false,
-		"colorcolumn":    float64(0),
-		"cursorline":     true,
-		"encoding":       "utf-8",
-		"eofnewline":     false,
-		"fastdirty":      true,
-		"fileformat":     "unix",
-		"ignorecase":     false,
-		"indentchar":     " ",
-		"keepautoindent": false,
-		"matchbrace":     false,
-		"matchbraceleft": false,
-		"rmtrailingws":   false,
-		"ruler":          true,
-		"savecursor":     false,
-		"saveundo":       false,
-		"scrollbar":      false,
-		"scrollmargin":   float64(3),
-		"scrollspeed":    float64(2),
-		"smartpaste":     true,
-		"softwrap":       false,
-		"splitbottom":    true,
-		"splitright":     true,
-		"statusformatl":  "$(filename) $(modified)($(line),$(col)) $(opt:filetype) $(opt:fileformat) $(opt:encoding)",
-		"statusformatr":  "$(bind:ToggleKeyMenu): show bindings, $(bind:ToggleHelp): toggle help",
-		"statusline":     true,
-		"syntax":         true,
-		"tabmovement":    false,
-		"tabsize":        float64(4),
-		"tabstospaces":   false,
-		"useprimary":     true,
-	}
+var defaultCommonSettings = map[string]interface{}{
+	"autoindent":     true,
+	"autosave":       false,
+	"basename":       false,
+	"colorcolumn":    float64(0),
+	"cursorline":     true,
+	"encoding":       "utf-8",
+	"eofnewline":     false,
+	"fastdirty":      true,
+	"fileformat":     "unix",
+	"ignorecase":     false,
+	"indentchar":     " ",
+	"keepautoindent": false,
+	"matchbrace":     false,
+	"matchbraceleft": false,
+	"rmtrailingws":   false,
+	"ruler":          true,
+	"savecursor":     false,
+	"saveundo":       false,
+	"scrollbar":      false,
+	"scrollmargin":   float64(3),
+	"scrollspeed":    float64(2),
+	"smartpaste":     true,
+	"softwrap":       false,
+	"splitbottom":    true,
+	"splitright":     true,
+	"statusformatl":  "$(filename) $(modified)($(line),$(col)) $(opt:filetype) $(opt:fileformat) $(opt:encoding)",
+	"statusformatr":  "$(bind:ToggleKeyMenu): show bindings, $(bind:ToggleHelp): toggle help",
+	"statusline":     true,
+	"syntax":         true,
+	"tabmovement":    false,
+	"tabsize":        float64(4),
+	"tabstospaces":   false,
+	"useprimary":     true,
 }
 
 func GetInfoBarOffset() int {
@@ -178,41 +199,64 @@ func GetInfoBarOffset() int {
 	return offset
 }
 
+var defaultGlobalSettings = map[string]interface{}{
+	"colorscheme": "default",
+	"infobar":     true,
+	"keymenu":     false,
+	"mouse":       true,
+	"savehistory": true,
+	"sucmd":       "sudo",
+	"termtitle":   false,
+}
+
 // DefaultGlobalSettings returns the default global settings for micro
 // Note that colorscheme is a global only option
 func DefaultGlobalSettings() map[string]interface{} {
-	common := DefaultCommonSettings()
-	common["colorscheme"] = "default"
-	common["infobar"] = true
-	common["keymenu"] = false
-	common["mouse"] = true
-	common["pluginchannels"] = []string{"https://raw.githubusercontent.com/micro-editor/plugin-channel/master/channel.json"}
-	common["pluginrepos"] = []string{}
-	common["savehistory"] = true
-	common["sucmd"] = "sudo"
-	common["termtitle"] = false
-	return common
+	globalsettings := make(map[string]interface{})
+	for k, v := range defaultCommonSettings {
+		globalsettings[k] = v
+	}
+	for k, v := range defaultGlobalSettings {
+		globalsettings[k] = v
+	}
+	return globalsettings
 }
 
 // LocalSettings is a list of the local only settings
 var LocalSettings = []string{"filetype", "readonly"}
 
+var defaultLocalSettings = map[string]interface{}{
+	"filetype": "unknown",
+	"readonly": false,
+}
+
 // DefaultLocalSettings returns the default local settings
 // Note that filetype is a local only option
 func DefaultLocalSettings() map[string]interface{} {
-	common := DefaultCommonSettings()
-	common["filetype"] = "unknown"
-	common["readonly"] = false
-	return common
+	localsettings := make(map[string]interface{})
+	for k, v := range defaultCommonSettings {
+		localsettings[k] = v
+	}
+	for k, v := range defaultLocalSettings {
+		localsettings[k] = v
+	}
+	return localsettings
 }
 
+// DefaultAllSettings returns a map of all settings and their
+// default values (both local and global settings)
 func DefaultAllSettings() map[string]interface{} {
-	global := DefaultGlobalSettings()
-	local := DefaultLocalSettings()
-	for k, v := range global {
-		local[k] = v
+	allsettings := make(map[string]interface{})
+	for k, v := range defaultCommonSettings {
+		allsettings[k] = v
 	}
-	return local
+	for k, v := range defaultGlobalSettings {
+		allsettings[k] = v
+	}
+	for k, v := range defaultLocalSettings {
+		allsettings[k] = v
+	}
+	return allsettings
 }
 
 func GetNativeValue(option string, realValue interface{}, value string) (interface{}, error) {

runtime/plugins/linter/linter.lua

@@ -2,7 +2,7 @@ local runtime = import("runtime")
 local filepath = import("path/filepath")
 local shell = import("micro/shell")
 local buffer = import("micro/buffer")
-local micro = import("micro")
+local config = import("micro/config")
 
 local linters = {}
 
@@ -66,6 +66,13 @@ function init()
     makeLinter("switfc", "swift", "xcrun", {"swiftc", "%f"}, "%f:%l:%d+:.+: %m", {"darwin"}, true)
     makeLinter("switfc", "swiftc", {"%f"}, "%f:%l:%d+:.+: %m", {"linux"}, true)
     makeLinter("yaml", "yaml", "yamllint", {"--format", "parsable", "%f"}, "%f:%l:%d+:.+ %m")
+
+    config.MakeCommand("lint", "linter.lintCmd", config.NoComplete)
+end
+
+function lintCmd(bp)
+    bp:Save()
+    runLinter(bp.Buf)
 end
 
 function contains(list, element)
@@ -107,7 +114,6 @@ function runLinter(buf)
 end
 
 function onSave(bp)
-    micro.Log("SAVE")
     runLinter(bp.Buf)
     return false
 end
@@ -119,8 +125,6 @@ function lint(buf, linter, cmd, args, errorformat)
 end
 
 function onExit(output, buf, linter, errorformat)
-    micro.Log("ONEXIT")
-    micro.Log(output)
     local lines = split(output, "\n")
 
     local regex = errorformat:gsub("%%f", "(..-)"):gsub("%%l", "(%d+)"):gsub("%%m", "(.+)")