55 lines
1.2 KiB
Ruby
55 lines
1.2 KiB
Ruby
# -*- coding: utf-8 -*- #
|
|
# frozen_string_literal: true
|
|
|
|
module Rouge
|
|
module Lexers
|
|
class Brainfuck < RegexLexer
|
|
tag 'brainfuck'
|
|
filenames '*.b', '*.bf'
|
|
mimetypes 'text/x-brainfuck'
|
|
|
|
title "Brainfuck"
|
|
aliases "bf"
|
|
desc "The Brainfuck programming language"
|
|
|
|
start { push :bol }
|
|
|
|
state :bol do
|
|
rule %r/\s+/m, Text
|
|
rule %r/\[/, Comment::Multiline, :comment_multi
|
|
rule(//) { pop! }
|
|
end
|
|
|
|
state :root do
|
|
rule %r/\]/, Error
|
|
rule %r/\[/, Punctuation, :loop
|
|
|
|
mixin :comment_single
|
|
mixin :commands
|
|
end
|
|
|
|
state :comment_multi do
|
|
rule %r/\[/, Comment::Multiline, :comment_multi
|
|
rule %r/\]/, Comment::Multiline, :pop!
|
|
rule %r/[^\[\]]+?/m, Comment::Multiline
|
|
end
|
|
|
|
state :comment_single do
|
|
rule %r/[^><+\-.,\[\]]+/, Comment::Single
|
|
end
|
|
|
|
state :loop do
|
|
rule %r/\[/, Punctuation, :loop
|
|
rule %r/\]/, Punctuation, :pop!
|
|
mixin :comment_single
|
|
mixin :commands
|
|
end
|
|
|
|
state :commands do
|
|
rule %r/[><]+/, Name::Builtin
|
|
rule %r/[+\-.,]+/, Name::Function
|
|
end
|
|
end
|
|
end
|
|
end
|