Class: FFI::Generator::Task

Inherits:
Rake::TaskLib
  • Object
show all
Defined in:
lib/ffi/tools/generator_task.rb

Overview

Add Rake tasks that generate files with C structs for FFI::Struct and C constants.

The generated files are also added to the 'clear' task.

Examples:

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"

See Also:

Instance Method Summary collapse

Constructor Details

#initialize(rb_names, options = {}) ⇒ Task

Returns a new instance of Task.


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# File 'lib/ffi/tools/generator_task.rb', line 18

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