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Versions: 26
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Contents
# -*- coding: utf-8 -*- #
# frozen_string_literal: true
module Rouge
module Lexers
class Rego < RegexLexer
title "Rego"
desc "The Rego open-policy-agent (OPA) policy language (openpolicyagent.org)"
tag 'rego'
filenames '*.rego'
def self.constants
@constants ||= Set.new %w(
true false null
)
end
def self.operators
@operators ||= Set.new %w(
as default else import not package some with
)
end
state :basic do
rule %r/\s+/, Text
rule %r/#.*/, Comment::Single
rule %r/[\[\](){}|.,;!]/, Punctuation
rule %r/"[^"]*"/, Str::Double
rule %r/-?\d+\.\d+([eE][+-]?\d+)?/, Num::Float
rule %r/-?\d+([eE][+-]?\d+)?/, Num
rule %r/\\u[0-9a-fA-F]{4}/, Num::Hex
rule %r/\\["\/bfnrt]/, Str::Escape
end
state :operators do
rule %r/(=|!=|>=|<=|>|<|\+|-|\*|%|\/|\||&|:=)/, Operator
rule %r/[\/:?@^~]+/, Operator
end
state :root do
mixin :basic
mixin :operators
rule %r/[[:word:]]+/ do |m|
if self.class.constants.include? m[0]
token Keyword::Constant
elsif self.class.operators.include? m[0]
token Operator::Word
else
token Name
end
end
end
end
end
end
Version data entries
26 entries across 26 versions & 2 rubygems