akkartik/view.love - Change O2UAHLOVG324OWG6YMZTZOL6ZPT7IU4JKZFHWWIMOFB74EK4KKUAC

copy how Lua 5.3 REPL prints expr values

Created by Kartik K. Agaram on April 26, 2022

O2UAHLOVG324OWG6YMZTZOL6ZPT7IU4JKZFHWWIMOFB74EK4KKUAC

Dependencies

In channels

main

Change contents

Deletion in mu.lua at line 7 [3.4]

B:BD[2.121] → [2.121:216]


-- unclear how Lua (post 5.2) is able to selectively print values of variables
-- at the repl

Replacement in mu.lua at line 34 [3.4]

B:BD[2.710] → [2.710:745]

  local f, err = load(buf, 'REPL')

[2.710]

[2.745]

  local f, err = load('return '..buf, 'REPL')

Replacement in mu.lua at line 47 [3.4]

B:BD[2.1031] → [2.1031:1206]

    stdscr:addstr(err..'\n')
    if string.match(err, "'<eof>'$") or string.match(err, "<eof>$") then
      buf = buf .. '\n'
      new_expr = false
    else
      print(err)

[2.1031]

[2.1206]

    local f, err = load(buf, 'REPL')
    if f then

Insertion in mu.lua at line 51 [3.4]

[2.1243]

      local success, results = gather_results(xpcall(f, function(...) return debug.traceback() end))
      if success then
        for _, result in ipairs(results) do
          print(result)
        end
      else
        print(results[1])
      end
    else
      stdscr:addstr(err..'\n')
      if string.match(err, "'<eof>'$") or string.match(err, "<eof>$") then
        buf = buf .. '\n'
        new_expr = false
      else
        print(err)
        buf = ''
        new_expr = true
      end