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require 'ffi/tools/generator'
require 'rake'
require 'rake/tasklib'
##
# Add Rake tasks that generate files with C structs for FFI::Struct and C constants.
#
# @example a simple example for your Rakefile
# require "ffi/tools/generator_task"
# # Add a task to generate my_object.rb out of my_object.rb.ffi
# FFI::Generator::Task.new ["my_object.rb"], cflags: "-I/usr/local/mylibrary"
#
# The generated files are also added to the 'clear' task.
#
# @see FFI::Generator for a description of the file content
class FFI::Generator::Task < Rake::TaskLib
def initialize(rb_names, options={})
task :clean do rm_f rb_names end
rb_names.each do |rb_name|
ffi_name = "#{rb_name}.ffi"
file rb_name => ffi_name do |t|
puts "Generating #{rb_name}..." if Rake.application.options.trace
FFI::Generator.new ffi_name, rb_name, options
end
end
end
end
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