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module Rake
# Makefile loader to be used with the import file loader.
class MakefileLoader
# Load the makefile dependencies in +fn+.
def load(fn)
open(fn) do |mf|
lines = mf.read
lines.gsub!(/#[^\n]*\n/m, "")
lines.gsub!(/\\\n/, ' ')
lines.split("\n").each do |line|
process_line(line)
end
end
end
private
# Process one logical line of makefile data.
def process_line(line)
file_tasks, args = line.split(':')
return if args.nil?
dependents = args.split
file_tasks.strip.split.each do |file_task|
file file_task => dependents
end
end
end
# Install the handler
Rake.application.add_loader('mf', MakefileLoader.new)
end
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