116 lines
3.2 KiB
Ruby
116 lines
3.2 KiB
Ruby
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# -*- coding: utf-8 -*- #
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# frozen_string_literal: true
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module Rouge
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module Lexers
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load_lexer 'lua.rb'
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class Moonscript < RegexLexer
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title "MoonScript"
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desc "Moonscript (http://www.moonscript.org)"
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tag 'moonscript'
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aliases 'moon'
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filenames '*.moon'
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mimetypes 'text/x-moonscript', 'application/x-moonscript'
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option :function_highlighting, 'Whether to highlight builtin functions (default: true)'
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option :disabled_modules, 'builtin modules to disable'
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def initialize(*)
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super
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@function_highlighting = bool_option(:function_highlighting) { true }
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@disabled_modules = list_option(:disabled_modules)
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end
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def self.detect?(text)
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return true if text.shebang? 'moon'
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end
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def builtins
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return [] unless @function_highlighting
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@builtins ||= Set.new.tap do |builtins|
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Rouge::Lexers::Lua.builtins.each do |mod, fns|
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next if @disabled_modules.include? mod
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builtins.merge(fns)
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end
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end
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end
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state :root do
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rule %r(#!(.*?)$), Comment::Preproc # shebang
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rule %r//, Text, :main
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end
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state :base do
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ident = '(?:\w\w*)'
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rule %r((?i)(\d*\.\d+|\d+\.\d*)(e[+-]?\d+)?'), Num::Float
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rule %r((?i)\d+e[+-]?\d+), Num::Float
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rule %r((?i)0x[0-9a-f]*), Num::Hex
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rule %r(\d+), Num::Integer
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rule %r(@#{ident}*), Name::Variable::Instance
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rule %r([A-Z]\w*), Name::Class
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rule %r("?[^"]+":), Literal::String::Symbol
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rule %r(#{ident}:), Literal::String::Symbol
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rule %r(:#{ident}), Literal::String::Symbol
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rule %r(\s+), Text::Whitespace
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rule %r((==|~=|!=|<=|>=|\.\.\.|\.\.|->|=>|[=+\-*/%^<>#!\\])), Operator
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rule %r([\[\]\{\}\(\)\.,:;]), Punctuation
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rule %r((and|or|not)\b), Operator::Word
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keywords = %w{
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break class continue do else elseif end extends for if import in
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repeat return switch super then unless until using when with while
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}
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rule %r((#{keywords.join('|')})\b), Keyword
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rule %r((local|export)\b), Keyword::Declaration
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rule %r((true|false|nil)\b), Keyword::Constant
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rule %r([A-Za-z_][A-Za-z0-9_]*(\.[A-Za-z_][A-Za-z0-9_]*)?) do |m|
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name = m[0]
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if self.builtins.include?(name)
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token Name::Builtin
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elsif name =~ /\./
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a, b = name.split('.', 2)
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token Name, a
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token Punctuation, '.'
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token Name, b
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else
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token Name
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end
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end
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end
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state :main do
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rule %r(--.*$), Comment::Single
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rule %r(\[(=*)\[.*?\]\1\])m, Str::Heredoc
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mixin :base
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rule %r('), Str::Single, :sqs
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rule %r("), Str::Double, :dqs
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end
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state :sqs do
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rule %r('), Str::Single, :pop!
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rule %r([^']+), Str::Single
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end
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state :interpolation do
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rule %r(\}), Str::Interpol, :pop!
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mixin :base
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end
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state :dqs do
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rule %r(#\{), Str::Interpol, :interpolation
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rule %r("), Str::Double, :pop!
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rule %r(#[^{]), Str::Double
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rule %r([^"#]+), Str::Double
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end
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end
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end
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end
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