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Moved text utilities into their own file.

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This commit is contained in:
Bruce Hill 2018-01-11 15:27:15 -08:00
parent 60aa3f5fcf
commit 1e0dc6e477
2 changed files with 32 additions and 24 deletions
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32
lib/text.nom Normal file
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@ -0,0 +1,32 @@
use "lib/metaprogramming.nom"
use "lib/control_flow.nom"
use "lib/collections.nom"
lua> "local \%ansi, \%colors"
set %ansi = {..}
nl="\\n", newline="\\n", tab="\\t", bell="\\a", cr="\\r", "carriage return"="\\r"
backspace="\\b", "form feed"="\\f", formfeed="\\f", "vertical tab"="\\v"
set %colors = {..}
"reset color"="\\27[0m", bright="\\27[1m", dim="\\27[2m", underscore="\\27[4m"
blink="\\27[5m", inverse="\\27[7m", hidden="\\27[8m"
black="\\27[30m", red="\\27[31m", green="\\27[32m", yellow="\\27[33m", blue="\\27[34m"
magenta="\\27[35m", cyan="\\27[36m", white="\\27[37m"
"on black"="\\27[40m", "on red"="\\27[41m", "on green"="\\27[42m", "on yellow"="\\27[43m"
"on blue"="\\27[44m", "on magenta"="\\27[45m", "on cyan"="\\27[46m", "on white"="\\27[47m"
for %name=%str in %ansi:
lua> ".."
local e = "'"..\%str.."'";
nomsu:define_compile_action(\%name, \(__line_no__), function(nomsu) return {expr=e}; end, \(__src__ 1));
for %name=%str in %colors:
lua> ".."
local e = "'"..\%str.."'";
local reset = "'"..\(%colors->"reset color").."'";
nomsu:define_compile_action(\%name, \(__line_no__), function(nomsu) return {expr=e}; end, \(__src__ 1));
nomsu:define_compile_action(\%name.." %", \(__line_no__), function(nomsu, _)
return {expr=e..".."..nomsu:tree_to_lua(_).expr..".."..reset};
end, \(__src__ 1));

24
lib/utils.nom
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@ -93,27 +93,3 @@ compile [sort %items by %key_expr] to: ".."
return \(%key_expr as lua);
end)
# Text utilities
compile [nl, newline, line feed, linefeed, lf] to: "'\\n'"
compile [tab] to: "'\\t'"
compile [bell] to: "'\\a'"
compile [cr, carriage return] to: "'\\r'"
compile [backspace] to: "'\\b'"
compile [form feed, formfeed] to: "'\\f'"
compile [vertical tab] to: "'\\v'"
lua> ".."
do
local colors = {
["reset color"] = 0, bright = 1, dim = 2, underscore = 4, blink = 5,
inverse = 7, hidden = 8, black = 30, red = 31, green = 32, yellow = 33,
blue = 34, magenta = 35, cyan = 36, white = 37, ["on black"] = 40,
["on red"] = 41, ["on green"] = 42, ["on yellow"] = 43, ["on blue"] = 44,
["on magenta"] = 45, ["on cyan"] = 46, ["on white"] = 47,
};
for name,code in pairs(colors) do
local escape = "\\"\\\\27["..tostring(code).."m\\""
nomsu:define_compile_action(name, \(__line_no__), function() return escape end, "");
end
end