extract a function
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parent
8fb1885348
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a200d713ef
46
mu.lua
46
mu.lua
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@ -22,6 +22,21 @@ local function readline()
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return result
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end
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function eval_print(f)
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local success, results = gather_results(xpcall(f, function(...) return debug.traceback() end))
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if success then
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for i, result in ipairs(results) do
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if i > 1 then
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stdscr:addch('\t')
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end
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stdscr:addstr(tostring(result))
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end
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else
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stdscr:addstr(tostring(result[1]))
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end
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stdscr:addch('\n')
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end
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local new_expr = true
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local buf = ''
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while true do
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@ -31,46 +46,23 @@ while true do
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stdscr:addstr('>> ')
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end
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buf = buf .. readline()
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local f, err = load('return '..buf, 'REPL')
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local f = load('return '..buf, 'REPL')
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if f then
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buf = ''
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new_expr = true
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local success, results = gather_results(xpcall(f, function(...) return debug.traceback() end))
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if success then
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for i, result in ipairs(results) do
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if i > 1 then
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stdscr:addch('\t')
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end
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stdscr:addstr(tostring(result))
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end
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else
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stdscr:addstr(tostring(result[1]))
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end
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stdscr:addch('\n')
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eval_print(f)
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else
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local f, err = load(buf, 'REPL')
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if f then
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buf = ''
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new_expr = true
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local success, results = gather_results(xpcall(f, function(...) return debug.traceback() end))
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if success then
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for _, result in ipairs(results) do
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if i > 1 then
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stdscr:addch('\t')
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end
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stdscr:addstr(tostring(result))
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end
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else
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stdscr:addstr(tostring(result[1]))
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end
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stdscr:addch('\n')
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eval_print(f)
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else
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stdscr:addstr(err..'\n')
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if string.match(err, "'<eof>'$") or string.match(err, "<eof>$") then
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buf = buf .. '\n'
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new_expr = false
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else
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print(err)
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stdscr:addstr(err..'\n')
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buf = ''
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new_expr = true
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end
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