55 lines
1.3 KiB
Ruby
55 lines
1.3 KiB
Ruby
# frozen_string_literal: true
|
|
module Rake
|
|
|
|
# Makefile loader to be used with the import file loader. Use this to
|
|
# import dependencies from make dependency tools:
|
|
#
|
|
# require 'rake/loaders/makefile'
|
|
#
|
|
# file ".depends.mf" => [SRC_LIST] do |t|
|
|
# sh "makedepend -f- -- #{CFLAGS} -- #{t.prerequisites} > #{t.name}"
|
|
# end
|
|
#
|
|
# import ".depends.mf"
|
|
#
|
|
# See {Importing Dependencies}[link:doc/rakefile_rdoc.html#label-Importing+Dependencies]
|
|
# for further details.
|
|
|
|
class MakefileLoader
|
|
include Rake::DSL
|
|
|
|
SPACE_MARK = "\0" # :nodoc:
|
|
|
|
# Load the makefile dependencies in +fn+.
|
|
def load(fn) # :nodoc:
|
|
lines = File.read fn
|
|
lines.gsub!(/\\ /, SPACE_MARK)
|
|
lines.gsub!(/#[^\n]*\n/m, "")
|
|
lines.gsub!(/\\\n/, " ")
|
|
lines.each_line do |line|
|
|
process_line(line)
|
|
end
|
|
end
|
|
|
|
private
|
|
|
|
# Process one logical line of makefile data.
|
|
def process_line(line) # :nodoc:
|
|
file_tasks, args = line.split(":", 2)
|
|
return if args.nil?
|
|
dependents = args.split.map { |d| respace(d) }
|
|
file_tasks.scan(/\S+/) do |file_task|
|
|
file_task = respace(file_task)
|
|
file file_task => dependents
|
|
end
|
|
end
|
|
|
|
def respace(str) # :nodoc:
|
|
str.tr SPACE_MARK, " "
|
|
end
|
|
end
|
|
|
|
# Install the handler
|
|
Rake.application.add_loader("mf", MakefileLoader.new)
|
|
end
|