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# -*- coding: utf-8 -*- #
# frozen_string_literal: true
require 'yaml'
# YAML file is made by manually copying keywords from https://www.mathworks.com/help/matlab/referencelist.html?type=function&listtype=alpha&category=index&blocktype=&capability=
MATLAB_SYNTAX_FILE = File.join(__dir__, "matlab/builtins.yml")
MATLAB_KEYWORDS_FILE = "./lib/rouge/lexers/matlab/keywords.rb"
namespace :builtins do
task :matlab do
generator = Rouge::Tasks::Builtins::Matlab.new
input = File.read(MATLAB_SYNTAX_FILE)
keywords = generator.extract_keywords(input)
output = generator.render_output(keywords)
File.write(MATLAB_KEYWORDS_FILE, output)
end
end
module Rouge
module Tasks
module Builtins
class Matlab
def extract_keywords(input)
::YAML.load(input)
end
def render_output(keywords, &b)
return enum_for(:render_output, keywords).to_a.join("\n") unless b
yield "# -*- coding: utf-8 -*- #"
yield "# frozen_string_literal: true"
yield ""
yield "# DO NOT EDIT"
yield ""
yield "# This file is automatically generated by `rake builtins:matlab`."
yield "# See tasks/builtins/matlab.rake for more info."
yield ""
yield "module Rouge"
yield " module Lexers"
yield " def Matlab.builtins"
yield " @builtins ||= Set.new #{keywords.inspect}"
yield " end"
yield " end"
yield "end"
end
end
end
end
end
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