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Contents
# -*- coding: utf-8 -*- #
# frozen_string_literal: true
module Rouge
module Lexers
# shared states with Reasonml and ReScript
class OCamlCommon < RegexLexer
def self.keywords
@keywords ||= Set.new %w(
as assert begin class constraint do done downto else end
exception external false for fun function functor if in
include inherit initializer lazy let module mutable new
nonrec object of open rec sig struct then to true try type
val virtual when while with
)
end
def self.word_operators
@word_operators ||= Set.new %w(and asr land lor lsl lxor mod or)
end
def self.primitives
@primitives ||= Set.new %w(unit int float bool string char list array)
end
@@operator = %r([;,_!$%&*+./:<=>?@^|~#-]+)
@@id = /[a-z_][\w']*/i
@@upper_id = /[A-Z][\w']*/
state :string do
rule %r/[^\\"]+/, Str::Double
mixin :escape_sequence
rule %r/\\\n/, Str::Double
rule %r/"/, Str::Double, :pop!
end
state :escape_sequence do
rule %r/\\[\\"'ntbr]/, Str::Escape
rule %r/\\\d{3}/, Str::Escape
rule %r/\\x\h{2}/, Str::Escape
end
state :dotted do
rule %r/\s+/m, Text
rule %r/[.]/, Punctuation
rule %r/#{@@upper_id}(?=\s*[.])/, Name::Namespace
rule @@upper_id, Name::Class, :pop!
rule @@id, Name, :pop!
rule %r/[({\[]/, Punctuation, :pop!
end
end
end
end
Version data entries
21 entries across 21 versions & 2 rubygems