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Name	Size	Permission
const_generator.rb	6.98 KB	-rw-r--r--
generator.rb	1.38 KB	-rw-r--r--
generator_task.rb	730 B	-rw-r--r--
struct_generator.rb	4.3 KB	-rw-r--r--
types_generator.rb	3.92 KB	-rw-r--r--

Code Editor : generator.rb

module FFI

# @private
  class Generator

def initialize(ffi_name, rb_name, options = {})
      @ffi_name = ffi_name
      @rb_name = rb_name
      @options = options
      @name = File.basename rb_name, '.rb'

file = File.read @ffi_name

new_file = file.gsub(/^( *)@@@(.*?)@@@/m) do
        @constants = []
        @structs = []

indent = $1
        original_lines = $2.count "\n"

instance_eval $2, @ffi_name, $`.count("\n")

new_lines = []
        @constants.each { |c| new_lines << c.to_ruby }
        @structs.each { |s| new_lines << s.generate_layout }

new_lines = new_lines.join("\n").split "\n" # expand multiline blocks
        new_lines = new_lines.map { |line| indent + line }

padding = original_lines - new_lines.length
        new_lines += [nil] * padding if padding >= 0

new_lines.join "\n"
      end

open @rb_name, 'w' do |f|
        f.puts "# This file is generated by rake. Do not edit."
        f.puts
        f.puts new_file
      end
    end

def constants(options = {}, &block)
      @constants << FFI::ConstGenerator.new(@name, @options.merge(options), &block)
    end

def struct(options = {}, &block)
      @structs << FFI::StructGenerator.new(@name, @options.merge(options), &block)
    end

##
    # Utility converter for constants

def to_s
      proc { |obj| obj.to_s.inspect }
    end

end
end

${this.title}

Code Editor : generator.rb