run lua commands from shell and other tweaks

common/Events.lua

@@ -30,15 +30,8 @@ local page = UI.Page {
 		getDisplayValues = function(_, row)
 			row = Util.shallowCopy(row)
 
-			local function tovalue(s)
-				if type(s) == 'table' then
-					return 'table'
-				end
-				return s
-			end
-
 			for k,v in pairs(row) do
-				row[k] = tovalue(v)
+				row[k] = type(v) == 'table' and 'table' or v
 			end
 
 			return row
@@ -95,30 +88,25 @@ local page = UI.Page {
 	end,
 }
 
-local updated = false
 local timerId = os.startTimer(1)
 
 Event.addRoutine(function()
 	while true do
 		local _, id = os.pullEvent('timer')
 		if id == timerId then
-			if updated then
-				while #page.grid.values > 100 do -- page.grid.height do
-					table.remove(page.grid.values, 100) -- #page.grid.values)
-				end
-				updated = false
-				page.grid:update()
-				page.grid:draw()
-				page:sync()
+			while #page.grid.values > 100 do
+				table.remove(page.grid.values)
 			end
-			timerId = os.startTimer(1)
+			timerId = nil
+			page.grid:update()
+			page.grid:draw()
+			page:sync()
 		end
 	end
 end)
 
 local hookFunction = function(event, e)
 	if not page.filtered[event] and not page.paused and not (event == 'timer' and e[1] == timerId) then
-		updated = true
 		table.insert(page.grid.values, 1, {
 			event = event,
 			p1 = e[1],
@@ -127,6 +115,7 @@ local hookFunction = function(event, e)
 			p4 = e[4],
 			p5 = e[5],
 		})
+		timerId = timerId or os.startTimer(.1)
 	end
 end
 

common/autorun/common.lua

@@ -6,3 +6,49 @@ end
 
 _ENV.shell.setCompletionFunction("packages/common/edit.lua", c)
 _ENV.shell.setCompletionFunction("packages/common/hexedit.lua", c)
+
+_ENV.shell.registerHandler(function(env, command, args)
+	if command:match('^!') then
+		return {
+			title = 'lua',
+			path = table.concat({ command:match('^!(.+)'), table.unpack(args) }, ' '),
+			args = args,
+			load = function(s)
+				return function()
+					local fn, m
+					local wrapped
+
+					fn = load('return (' ..s.. ')', 'lua', nil, env)
+
+					if fn then
+						fn = load('return {' ..s.. '}', 'lua', nil, env)
+						wrapped = true
+					end
+
+					if fn then
+						fn, m = pcall(fn)
+						if #m <= 1 and wrapped then
+							m = m[1]
+						end
+					else
+						fn, m = load(s, 'lua', nil, env)
+						if fn then
+							fn, m = pcall(fn)
+						end
+					end
+
+					if fn then
+						if m or wrapped then
+							require('opus.util').print(m or 'nil')
+						else
+							print()
+						end
+					else
+						_G.printError(m)
+					end
+				end
+			end,
+			env = env,
+		}
+	end
+end)

common/etc/fstab

@@ -3,4 +3,6 @@ packages/common/hexedit.lua urlfs https://pastebin.com/raw/Ds9ajsp4
 packages/common/colors.lua urlfs https://raw.githubusercontent.com/kepler155c/opus-apps/develop-1.8/ignore/colors.lua
 packages/common/cowsay.lua urlfs https://pastebin.com/raw/n00VQJsw
 packages/common/calc.lua urlfs https://pastebin.com/raw/nAinUn1h
-packages/common/write.lua urlfs https://pastebin.com/raw/RSyhCjqv
+packages/common/write.lua urlfs https://pastebin.com/raw/RSyhCjqv
+# pretty output
+rom/modules/main/inpsect.lua urlfs https://raw.githubusercontent.com/kikito/inspect.lua/master/inspect.lua