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#!/usr/bin/env nomsu -V4.8.10
#
This file contains some definitions of text escape sequences, including ANSI console
color codes.
use "core/metaprogramming.nom"
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
test:
assume "\[1, 2, 3]" == "[1, 2, 3]"
assume "foo = \(1 + 2)!" == "foo = 3!"
assume "one\ntwo" == "\
..one
two"
assume "nogap" == "\
..no\
..gap"
assume (["x", "y"]::joined with ",") == "x,y"
assume (["x", "y"]::joined) == "xy"
assume ("BAR"::byte 2) == 65
assume ("BAR"::bytes 1 to 2) == [66, 65]
assume ("asdf"::capitalized) == "Asdf"
assume ("asdf"::uppercase) == "ASDF"
assume ("asdf"::with "s" -> "X") == "aXdf"
assume ("one\ntwo\n"::lines) == ["one", "two", ""]
(%spec とは %body) parses as (%spec means %body)
test:
%こんにちは = "こんにちは"
(% と言う) とは "\(%)世界"
assume (%こんにちは と言う) == "こんにちは世界"
(%expr for %match in %text matching %patt) compiles to (..)
Lua value "\
..(function()
local ret = _List{}
for \(%match as lua expr) in (\(%text as lua expr)):gmatch(\(..)
%patt as lua expr
..) do
ret[#ret+1] = \(%expr as lua statements)
end
return ret
end)()"
test:
assume "\n" == (newline)
# Text literals
lua> "\
..do
local escapes = {
nl="\\\\n", newline="\\\\n", tab="\\\\t", bell="\\\\a", cr="\\\\r",
["carriage return"]="\\\\r", backspace="\\\\b", ["form feed"]="\\\\f",
formfeed="\\\\f", ["vertical tab"]="\\\\v",
};
for name, e in pairs(escapes) do
local lua = "'"..e.."'"
compile.action[name] = function(compile, tree)
return LuaCode(tree.source, lua)
end
end
end"
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