66 lines
1.8 KiB
Ruby
66 lines
1.8 KiB
Ruby
# -*- 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 'ocaml/common.rb'
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class OCaml < OCamlCommon
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title "OCaml"
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desc 'Objective Caml (ocaml.org)'
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tag 'ocaml'
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filenames '*.ml', '*.mli', '*.mll', '*.mly'
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mimetypes 'text/x-ocaml'
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def self.keywords
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@keywords ||= super + Set.new(%w(
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match raise
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))
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end
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state :root do
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rule %r/\s+/m, Text
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rule %r/false|true|[(][)]|\[\]/, Name::Builtin::Pseudo
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rule %r/#{@@upper_id}(?=\s*[.])/, Name::Namespace, :dotted
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rule %r/`#{@@id}/, Name::Tag
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rule @@upper_id, Name::Class
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rule %r/[(][*](?![)])/, Comment, :comment
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rule @@id do |m|
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match = m[0]
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if self.class.keywords.include? match
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token Keyword
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elsif self.class.word_operators.include? match
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token Operator::Word
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elsif self.class.primitives.include? match
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token Keyword::Type
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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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rule %r/[(){}\[\];]+/, Punctuation
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rule @@operator, Operator
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rule %r/-?\d[\d_]*(.[\d_]*)?(e[+-]?\d[\d_]*)/i, Num::Float
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rule %r/0x\h[\h_]*/i, Num::Hex
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rule %r/0o[0-7][0-7_]*/i, Num::Oct
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rule %r/0b[01][01_]*/i, Num::Bin
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rule %r/\d[\d_]*/, Num::Integer
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rule %r/'(?:(\\[\\"'ntbr ])|(\\[0-9]{3})|(\\x\h{2}))'/, Str::Char
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rule %r/'[.]'/, Str::Char
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rule %r/'/, Keyword
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rule %r/"/, Str::Double, :string
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rule %r/[~?]#{@@id}/, Name::Variable
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end
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state :comment do
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rule %r/[^(*)]+/, Comment
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rule(/[(][*]/) { token Comment; push }
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rule %r/[*][)]/, Comment, :pop!
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rule %r/[(*)]/, Comment
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end
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end
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end
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end
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