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mrbgem_spec.rake
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mrbgem_spec.rake
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require 'pathname'
require 'forwardable'
module MRuby
module Gem
class << self
attr_accessor :current
end
LinkerConfig = Struct.new(:libraries, :library_paths, :flags, :flags_before_libraries, :flags_after_libraries)
class Specification
include Rake::DSL
extend Forwardable
def_delegators :@build, :filename, :objfile, :libfile, :exefile
attr_accessor :name, :dir, :build
alias mruby build
attr_accessor :build_config_initializer
attr_accessor :version
attr_accessor :description, :summary
attr_accessor :homepage
attr_accessor :licenses, :authors
alias :license= :licenses=
alias :author= :authors=
attr_accessor :rbfiles, :objs
attr_accessor :test_objs, :test_rbfiles, :test_args
attr_accessor :test_preload
attr_accessor :bins
attr_accessor :requirements
attr_reader :dependencies
attr_block MRuby::Build::COMMANDS
def initialize(name, &block)
@name = name
@initializer = block
MRuby::Gem.current = self
end
def setup
MRuby::Gem.current = self
@build.compilers.each do |compiler|
compiler.include_paths << "#{dir}/include"
end
MRuby::Build::COMMANDS.each do |command|
instance_variable_set("@#{command}", @build.send(command).clone)
end
@linker = LinkerConfig.new([], [], [], [])
@rbfiles = Dir.glob("#{dir}/mrblib/*.rb")
@objs = Dir.glob("#{dir}/src/*.{c,cpp,m,asm,S}").map do |f|
objfile(f.relative_path_from(@dir).to_s.pathmap("#{build_dir}/%X"))
end
@objs << objfile("#{build_dir}/gem_init")
@test_rbfiles = Dir.glob("#{dir}/test/*.rb")
@test_objs = Dir.glob("#{dir}/test/*.{c,cpp,m,asm,S}").map do |f|
objfile(f.relative_path_from(dir).to_s.pathmap("#{build_dir}/%X"))
end
@test_preload = 'test/assert.rb'
@test_args = {}
@bins = []
@requirements = []
@dependencies = []
instance_eval(&@initializer)
if !name || !licenses || !authors
fail "#{name || dir} required to set name, license(s) and author(s)"
end
build.libmruby << @objs
instance_eval(&@build_config_initializer) if @build_config_initializer
compilers.each do |compiler|
compiler.define_rules build_dir, "#{dir}/"
end
define_gem_init_builder
end
def add_dependency(name, *requirements)
requirements = ['> 0.0.0'] if requirements.empty?
requirements.flatten!
@dependencies << [:gem => name, :requirements => requirements]
end
def self.bin=(bin)
@bins = [bin].flatten
end
def build_dir
"#{build.build_dir}/mrbgems/#{name}"
end
def test_rbireps
"#{build_dir}/gem_test.c"
end
def funcname
@funcname ||= @name.gsub('-', '_')
end
def compilers
MRuby::Build::COMPILERS.map do |c|
instance_variable_get("@#{c}")
end
end
def define_gem_init_builder
file objfile("#{build_dir}/gem_init") => "#{build_dir}/gem_init.c"
file "#{build_dir}/gem_init.c" => [build.mrbcfile] + [rbfiles].flatten do |t|
FileUtils.mkdir_p build_dir
generate_gem_init("#{build_dir}/gem_init.c")
end
end
def generate_gem_init(fname)
open(fname, 'w') do |f|
print_gem_init_header f
build.mrbc.run f, rbfiles, "gem_mrblib_irep_#{funcname}" unless rbfiles.empty?
f.puts %Q[void mrb_#{funcname}_gem_init(mrb_state *mrb);]
f.puts %Q[void mrb_#{funcname}_gem_final(mrb_state *mrb);]
f.puts %Q[]
f.puts %Q[void GENERATED_TMP_mrb_#{funcname}_gem_init(mrb_state *mrb) {]
f.puts %Q[ int ai = mrb_gc_arena_save(mrb);]
f.puts %Q[ mrb_#{funcname}_gem_init(mrb);] if objs != [objfile("#{build_dir}/gem_init")]
unless rbfiles.empty?
f.puts %Q[ mrb_load_irep(mrb, gem_mrblib_irep_#{funcname});]
f.puts %Q[ if (mrb->exc) {]
f.puts %Q[ mrb_p(mrb, mrb_obj_value(mrb->exc));]
f.puts %Q[ exit(EXIT_FAILURE);]
f.puts %Q[ }]
end
f.puts %Q[ mrb_gc_arena_restore(mrb, ai);]
f.puts %Q[}]
f.puts %Q[]
f.puts %Q[void GENERATED_TMP_mrb_#{funcname}_gem_final(mrb_state *mrb) {]
f.puts %Q[ mrb_#{funcname}_gem_final(mrb);] if objs != [objfile("#{build_dir}/gem_init")]
f.puts %Q[}]
end
end # generate_gem_init
def print_gem_init_header(f)
f.puts %Q[/*]
f.puts %Q[ * This file is loading the irep]
f.puts %Q[ * Ruby GEM code.]
f.puts %Q[ *]
f.puts %Q[ * IMPORTANT:]
f.puts %Q[ * This file was generated!]
f.puts %Q[ * All manual changes will get lost.]
f.puts %Q[ */]
f.puts %Q[#include <stdlib.h>]
f.puts %Q[#include "mruby.h"]
f.puts %Q[#include "mruby/irep.h"]
f.puts %Q[#include "mruby/dump.h"]
f.puts %Q[#include "mruby/string.h"]
f.puts %Q[#include "mruby/proc.h"]
f.puts %Q[#include "mruby/variable.h"]
f.puts %Q[#include "mruby/array.h"]
f.puts %Q[#include "mruby/hash.h"]
end
end # Specification
class List
include Enumerable
def initialize
@ary = []
end
def each(&b)
@ary.each(&b)
end
def <<(gem)
fail ArgumentError.new("Don't find directory for this GEM") unless gem.respond_to? :dir
unless @ary.detect {|g| g.dir == gem.dir }
@ary << gem
else
# GEM was already added to this list
end
end
def empty?
@ary.empty?
end
end # List
end # Gem
GemBox = Object.new
class << GemBox
def new(&block); block.call(self); end
def config=(obj); @config = obj; end
def gem(gemdir, &block); @config.gem(gemdir, &block); end
end # GemBox
end # MRuby