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Forced '?' to print '= nil' if expression is nil.

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This commit is contained in:
Bruce Hill 2018-04-05 17:21:56 -07:00
parent 282b2462bd
commit 27842a1161
2 changed files with 6 additions and 2 deletions
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4
ldt.lua
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@ -1169,11 +1169,13 @@ ldb = {
local _exp_0 = c
if (':'):byte() == _exp_0 or ('>'):byte() == _exp_0 or ('?'):byte() == _exp_0 then
C.echo(true)
local print_nil = false
local code = ''
if c == ('?'):byte() then
stdscr:mvaddstr(SCREEN_H - 1, 0, "? " .. (' '):rep(SCREEN_W - 1))
stdscr:move(SCREEN_H - 1, 2)
code = 'return ' .. stdscr:getstr()
print_nil = true
elseif c == (':'):byte() or c == ('>'):byte() then
local numlines = 1
stdscr:mvaddstr(SCREEN_H - 1, 0, "> " .. (' '):rep(SCREEN_W - 1))
@ -1216,7 +1218,7 @@ ldb = {
stdscr:addstr(err_msg)
else
local ret = run_fn()
if ret ~= nil then
if ret ~= nil or print_nil then
output = output .. '= '
local bits = colored_repr(ret, SCREEN_W - 2, 4)
for i = 1, #bits - 1, 2 do

4
ldt.moon
View File

@ -795,11 +795,13 @@ ldb = {
switch c
when (':')\byte!, ('>')\byte!, ('?')\byte!
C.echo(true)
print_nil = false
code = ''
if c == ('?')\byte!
stdscr\mvaddstr(SCREEN_H-1, 0, "? "..(' ')\rep(SCREEN_W-1))
stdscr\move(SCREEN_H-1, 2)
code = 'return '..stdscr\getstr!
print_nil = true
elseif c == (':')\byte! or c == ('>')\byte!
numlines = 1
stdscr\mvaddstr(SCREEN_H-1, 0, "> "..(' ')\rep(SCREEN_W-1))
@ -831,7 +833,7 @@ ldb = {
stdscr\addstr(err_msg)
else
ret = run_fn!
if ret != nil
if ret != nil or print_nil
output ..= '= '
bits = colored_repr(ret, SCREEN_W-2, 4)
for i=1,#bits-1,2