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# -*- coding: utf-8 -*- #
# frozen_string_literal: true
module Rouge
module Lexers
load_lexer 'php.rb'
class Hack < PHP
title 'Hack'
desc 'The Hack programming language (hacklang.org)'
tag 'hack'
aliases 'hack', 'hh'
filenames '*.php', '*.hh'
def self.detect?(text)
return true if /<\?hh/ =~ text
return true if text.shebang?('hhvm')
return true if /async function [a-zA-Z]/ =~ text
return true if /\): Awaitable</ =~ text
return false
end
def self.keywords
@hh_keywords ||= super.merge Set.new %w(
type newtype enum
as super
async await Awaitable
vec dict keyset
void int string bool float double
arraykey num Stringish
)
end
prepend :root do
rule %r/<\?hh(\s*\/\/\s*(strict|decl|partial))?$/, Comment::Preproc, :php
end
prepend :php do
rule %r((/\*\s*)(HH_(?:IGNORE_ERROR|FIXME)\[\d+\])([^*]*)(\*/)) do
groups Comment::Preproc, Comment::Preproc, Comment::Multiline, Comment::Preproc
end
rule %r(// UNSAFE(?:_EXPR|_BLOCK)?), Comment::Preproc
rule %r(/\*\s*UNSAFE_EXPR\s*\*/), Comment::Preproc
end
end
end
end
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