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#!/usr/bin/env nomsu -V4.10.12.7
#
This file contains some definitions of text escape sequences, including ANSI console
color codes.
use "core/metaprogramming.nom"
use "core/operators.nom"
use "core/control_flow.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:
define mangler
return (..)
Lua "\
..(function()
local \(mangle "comprehension") = List{}
for \(%match as lua expr) in (\(%text as lua expr)):gmatch(\(%patt as lua expr)) do
\(mangle "comprehension")[#\(mangle "comprehension")+1] = \(%expr as lua)
end
return \(mangle "comprehension")
end)()"
test:
assume "\n" == (newline)
test:
assume (0xDEADBEEF as hex) == "0xDEADBEEF"
externally (%num as hex) means:
if (%num < 0):
return ("-0x%X"::formatted with (- %num))
..else:
return ("0x%X"::formatted with %num)
# Text literals
%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 = %str in %escapes:
with {%lua: Lua (quote %str)}:
%compile.action.%name = ([] -> %lua)
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