[439] | 1 | require 'forwardable'
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| 2 | autoload :TSort, 'tsort'
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| 3 | autoload :Shellwords, 'shellwords'
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| 4 |
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| 5 | module MRuby
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| 6 | module Gem
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| 7 | class << self
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| 8 | attr_accessor :current
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| 9 | end
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| 10 | LinkerConfig = Struct.new(:libraries, :library_paths, :flags, :flags_before_libraries, :flags_after_libraries)
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| 11 |
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| 12 | class Specification
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| 13 | include Rake::DSL
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| 14 | extend Forwardable
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| 15 | def_delegators :@build, :filename, :objfile, :libfile, :exefile
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| 16 |
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| 17 | attr_accessor :name, :dir, :build
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| 18 | alias mruby build
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| 19 | attr_accessor :build_config_initializer
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| 20 | attr_accessor :mrblib_dir, :objs_dir
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| 21 |
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| 22 | attr_accessor :version
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| 23 | attr_accessor :description, :summary
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| 24 | attr_accessor :homepage
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| 25 | attr_accessor :licenses, :authors
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| 26 | alias :license= :licenses=
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| 27 | alias :author= :authors=
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| 28 |
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| 29 | attr_accessor :rbfiles, :objs
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| 30 | attr_accessor :test_objs, :test_rbfiles, :test_args
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| 31 | attr_accessor :test_preload
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| 32 |
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| 33 | attr_accessor :bins
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| 34 |
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| 35 | attr_accessor :requirements
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| 36 | attr_reader :dependencies, :conflicts
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| 37 |
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| 38 | attr_accessor :export_include_paths
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| 39 |
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| 40 | attr_reader :generate_functions
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| 41 |
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| 42 | attr_block MRuby::Build::COMMANDS
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| 43 |
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| 44 | attr_accessor :post_build_event, :current_target
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| 45 |
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| 46 | def initialize(name, &block)
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| 47 | @name = name
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| 48 | @initializer = block
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| 49 | @version = "0.0.0"
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| 50 | @mrblib_dir = "mrblib"
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| 51 | @objs_dir = "src"
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| 52 | MRuby::Gem.current = self
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| 53 | @post_build_event = nil
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| 54 | end
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| 55 |
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| 56 | def setup
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| 57 | return if defined?(@linker) # return if already set up
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| 58 |
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| 59 | MRuby::Gem.current = self
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| 60 | MRuby::Build::COMMANDS.each do |command|
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| 61 | instance_variable_set("@#{command}", @build.send(command).clone)
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| 62 | end
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| 63 | @linker = LinkerConfig.new([], [], [], [], [])
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| 64 |
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| 65 | @rbfiles = Dir.glob("#{@dir}/#{@mrblib_dir}/**/*.rb").sort
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| 66 | @objs = Dir.glob("#{@dir}/#{@objs_dir}/*.{c,cpp,cxx,cc,m,asm,s,S}").map do |f|
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| 67 | objfile(f.relative_path_from(@dir).to_s.pathmap("#{build_dir}/%X"))
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| 68 | end
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| 69 |
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| 70 | @test_rbfiles = Dir.glob("#{dir}/test/**/*.rb").sort
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| 71 | @test_objs = Dir.glob("#{dir}/test/*.{c,cpp,cxx,cc,m,asm,s,S}").map do |f|
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| 72 | objfile(f.relative_path_from(dir).to_s.pathmap("#{build_dir}/%X"))
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| 73 | end
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| 74 | @custom_test_init = !@test_objs.empty?
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| 75 | @test_preload = nil # 'test/assert.rb'
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| 76 | @test_args = {}
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| 77 |
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| 78 | @bins = []
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| 79 |
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| 80 | @requirements = []
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| 81 | @dependencies, @conflicts = [], []
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| 82 | @export_include_paths = []
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| 83 | @export_include_paths << "#{dir}/include" if File.directory? "#{dir}/include"
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| 84 |
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| 85 | instance_eval(&@initializer)
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| 86 |
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| 87 | @generate_functions = !(@rbfiles.empty? && @objs.empty?)
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| 88 | @objs << objfile("#{build_dir}/gem_init") if @generate_functions
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| 89 |
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| 90 | if !name || !licenses || !authors
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| 91 | fail "#{name || dir} required to set name, license(s) and author(s)"
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| 92 | end
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| 93 |
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| 94 | build.libmruby_objs << @objs
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| 95 |
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| 96 | instance_eval(&@build_config_initializer) if @build_config_initializer
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| 97 |
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| 98 | repo_url = build.gem_dir_to_repo_url[dir]
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| 99 | build.locks[repo_url]['version'] = version if repo_url
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| 100 | end
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| 101 |
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| 102 | def setup_compilers
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| 103 | compilers.each do |compiler|
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| 104 | compiler.define_rules build_dir, "#{dir}"
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| 105 | compiler.defines << %Q[MRBGEM_#{funcname.upcase}_VERSION=#{version}]
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| 106 | compiler.include_paths << "#{dir}/include" if File.directory? "#{dir}/include"
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| 107 | end
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| 108 |
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| 109 | define_gem_init_builder if @generate_functions
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| 110 | end
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| 111 |
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| 112 | def for_windows?
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| 113 | if build.kind_of?(MRuby::CrossBuild)
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| 114 | return %w(x86_64-w64-mingw32 i686-w64-mingw32).include?(build.host_target)
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| 115 | elsif build.kind_of?(MRuby::Build)
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| 116 | return ('A'..'Z').to_a.any? { |vol| Dir.exist?("#{vol}:") }
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| 117 | end
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| 118 | return false
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| 119 | end
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| 120 |
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| 121 | def add_dependency(name, *requirements)
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| 122 | default_gem = requirements.last.kind_of?(Hash) ? requirements.pop : nil
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| 123 | requirements = ['>= 0.0.0'] if requirements.empty?
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| 124 | requirements.flatten!
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| 125 | @dependencies << {:gem => name, :requirements => requirements, :default => default_gem}
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| 126 | end
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| 127 |
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| 128 | def add_test_dependency(*args)
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| 129 | add_dependency(*args) if build.test_enabled? || build.bintest_enabled?
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| 130 | end
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| 131 |
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| 132 | def add_conflict(name, *req)
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| 133 | @conflicts << {:gem => name, :requirements => req.empty? ? nil : req}
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| 134 | end
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| 135 |
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| 136 | def build_dir
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| 137 | "#{build.build_dir}/mrbgems/#{name}"
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| 138 | end
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| 139 |
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| 140 | def test_rbireps
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| 141 | "#{build_dir}/gem_test.c"
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| 142 | end
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| 143 |
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| 144 | def search_package(name, version_query=nil)
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| 145 | package_query = name
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| 146 | package_query += " #{version_query}" if version_query
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| 147 | _pp "PKG-CONFIG", package_query
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| 148 | escaped_package_query = Shellwords.escape(package_query)
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| 149 | if system("pkg-config --exists #{escaped_package_query}")
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| 150 | cc.flags += [`pkg-config --cflags #{escaped_package_query}`.strip]
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| 151 | cxx.flags += [`pkg-config --cflags #{escaped_package_query}`.strip]
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| 152 | linker.flags_before_libraries += [`pkg-config --libs #{escaped_package_query}`.strip]
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| 153 | true
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| 154 | else
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| 155 | false
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| 156 | end
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| 157 | end
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| 158 |
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| 159 | def funcname
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| 160 | @funcname ||= @name.gsub('-', '_')
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| 161 | end
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| 162 |
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| 163 | def compilers
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| 164 | MRuby::Build::COMPILERS.map do |c|
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| 165 | instance_variable_get("@#{c}")
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| 166 | end
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| 167 | end
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| 168 |
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| 169 | def call_post_build_event(target)
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| 170 | @current_target = target
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| 171 | instance_eval(&@post_build_event) if @post_build_event
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| 172 | @current_target = nil
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| 173 | end
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| 174 |
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| 175 | def define_gem_init_builder
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| 176 | file objfile("#{build_dir}/gem_init") => [ "#{build_dir}/gem_init.c", File.join(dir, "mrbgem.rake") ]
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| 177 | file "#{build_dir}/gem_init.c" => [build.mrbcfile, __FILE__] + [rbfiles].flatten do |t|
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| 178 | mkdir_p build_dir
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| 179 | generate_gem_init("#{build_dir}/gem_init.c")
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| 180 | end
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| 181 | end
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| 182 |
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| 183 | def generate_gem_init(fname)
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| 184 | open(fname, 'w') do |f|
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| 185 | print_gem_init_header f
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| 186 | build.mrbc.run f, rbfiles, "gem_mrblib_irep_#{funcname}" unless rbfiles.empty?
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| 187 | f.puts %Q[void mrb_#{funcname}_gem_init(mrb_state *mrb);]
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| 188 | f.puts %Q[void mrb_#{funcname}_gem_final(mrb_state *mrb);]
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| 189 | f.puts %Q[]
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| 190 | f.puts %Q[void GENERATED_TMP_mrb_#{funcname}_gem_init(mrb_state *mrb) {]
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| 191 | f.puts %Q[ int ai = mrb_gc_arena_save(mrb);]
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| 192 | f.puts %Q[ mrb_#{funcname}_gem_init(mrb);] if objs != [objfile("#{build_dir}/gem_init")]
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| 193 | unless rbfiles.empty?
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| 194 | f.puts %Q[ mrb_load_irep(mrb, gem_mrblib_irep_#{funcname});]
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| 195 | f.puts %Q[ if (mrb->exc) {]
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| 196 | f.puts %Q[ mrb_print_error(mrb);]
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| 197 | f.puts %Q[ mrb_close(mrb);]
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| 198 | f.puts %Q[ exit(EXIT_FAILURE);]
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| 199 | f.puts %Q[ }]
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| 200 | end
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| 201 | f.puts %Q[ mrb_gc_arena_restore(mrb, ai);]
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| 202 | f.puts %Q[}]
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| 203 | f.puts %Q[]
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| 204 | f.puts %Q[void GENERATED_TMP_mrb_#{funcname}_gem_final(mrb_state *mrb) {]
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| 205 | f.puts %Q[ mrb_#{funcname}_gem_final(mrb);] if objs != [objfile("#{build_dir}/gem_init")]
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| 206 | f.puts %Q[}]
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| 207 | end
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| 208 | end # generate_gem_init
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| 209 |
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| 210 | def print_gem_comment(f)
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| 211 | f.puts %Q[/*]
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| 212 | f.puts %Q[ * This file is loading the irep]
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| 213 | f.puts %Q[ * Ruby GEM code.]
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| 214 | f.puts %Q[ *]
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| 215 | f.puts %Q[ * IMPORTANT:]
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| 216 | f.puts %Q[ * This file was generated!]
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| 217 | f.puts %Q[ * All manual changes will get lost.]
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| 218 | f.puts %Q[ */]
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| 219 | end
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| 220 |
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| 221 | def print_gem_init_header(f)
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| 222 | print_gem_comment(f)
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| 223 | f.puts %Q[#include <stdlib.h>] unless rbfiles.empty?
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| 224 | f.puts %Q[#include <mruby.h>]
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| 225 | f.puts %Q[#include <mruby/irep.h>] unless rbfiles.empty?
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| 226 | end
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| 227 |
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| 228 | def print_gem_test_header(f)
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| 229 | print_gem_comment(f)
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| 230 | f.puts %Q[#include <stdio.h>]
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| 231 | f.puts %Q[#include <stdlib.h>]
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| 232 | f.puts %Q[#include <mruby.h>]
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| 233 | f.puts %Q[#include <mruby/irep.h>]
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| 234 | f.puts %Q[#include <mruby/variable.h>]
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| 235 | f.puts %Q[#include <mruby/hash.h>] unless test_args.empty?
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| 236 | end
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| 237 |
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| 238 | def test_dependencies
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| 239 | [@name]
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| 240 | end
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| 241 |
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| 242 | def custom_test_init?
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| 243 | @custom_test_init
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| 244 | end
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| 245 |
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| 246 | def version_ok?(req_versions)
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| 247 | req_versions.map do |req|
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| 248 | cmp, ver = req.split
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| 249 | cmp_result = Version.new(version) <=> Version.new(ver)
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| 250 | case cmp
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| 251 | when '=' then cmp_result == 0
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| 252 | when '!=' then cmp_result != 0
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| 253 | when '>' then cmp_result == 1
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| 254 | when '<' then cmp_result == -1
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| 255 | when '>=' then cmp_result >= 0
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| 256 | when '<=' then cmp_result <= 0
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| 257 | when '~>'
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| 258 | Version.new(version).twiddle_wakka_ok?(Version.new(ver))
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| 259 | else
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| 260 | fail "Comparison not possible with '#{cmp}'"
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| 261 | end
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| 262 | end.all?
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| 263 | end
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| 264 | end # Specification
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| 265 |
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| 266 | class Version
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| 267 | include Comparable
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| 268 | include Enumerable
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| 269 |
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| 270 | def <=>(other)
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| 271 | ret = 0
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| 272 | own = to_enum
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| 273 |
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| 274 | other.each do |oth|
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| 275 | begin
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| 276 | ret = own.next <=> oth
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| 277 | rescue StopIteration
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| 278 | ret = 0 <=> oth
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| 279 | end
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| 280 |
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| 281 | break unless ret == 0
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| 282 | end
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| 283 |
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| 284 | ret
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| 285 | end
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| 286 |
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| 287 | # ~> compare algorithm
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| 288 | #
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| 289 | # Example:
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| 290 | # ~> 2 means >= 2.0.0 and < 3.0.0
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| 291 | # ~> 2.2 means >= 2.2.0 and < 3.0.0
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| 292 | # ~> 2.2.2 means >= 2.2.2 and < 2.3.0
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| 293 | def twiddle_wakka_ok?(other)
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| 294 | gr_or_eql = (self <=> other) >= 0
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| 295 | still_major_or_minor = (self <=> other.skip_major_or_minor) < 0
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| 296 | gr_or_eql and still_major_or_minor
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| 297 | end
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| 298 |
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| 299 | def skip_major_or_minor
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| 300 | a = @ary.dup
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| 301 | a << 0 if a.size == 1 # ~> 2 can also be represented as ~> 2.0
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| 302 | a.slice!(-1)
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| 303 | a[-1] = a[-1].succ
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| 304 | a
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| 305 | end
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| 306 |
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| 307 | def initialize(str)
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| 308 | @str = str
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| 309 | @ary = @str.split('.').map(&:to_i)
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| 310 | end
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| 311 |
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| 312 | def each(&block); @ary.each(&block); end
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| 313 | def [](index); @ary[index]; end
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| 314 | def []=(index, value)
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| 315 | @ary[index] = value
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| 316 | @str = @ary.join('.')
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| 317 | end
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| 318 | def slice!(index)
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| 319 | @ary.slice!(index)
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| 320 | @str = @ary.join('.')
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| 321 | end
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| 322 | end # Version
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| 323 |
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| 324 | class List
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| 325 | include Enumerable
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| 326 |
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| 327 | def initialize
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| 328 | @ary = []
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| 329 | end
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| 330 |
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| 331 | def each(&b)
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| 332 | @ary.each(&b)
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| 333 | end
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| 334 |
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| 335 | def <<(gem)
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| 336 | unless @ary.detect {|g| g.dir == gem.dir }
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| 337 | @ary << gem
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| 338 | else
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| 339 | # GEM was already added to this list
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| 340 | end
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| 341 | end
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| 342 |
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| 343 | def empty?
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| 344 | @ary.empty?
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| 345 | end
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| 346 |
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| 347 | def default_gem_params dep
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| 348 | if dep[:default]; dep
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| 349 | elsif File.exist? "#{MRUBY_ROOT}/mrbgems/#{dep[:gem]}" # check core
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| 350 | { :gem => dep[:gem], :default => { :core => dep[:gem] } }
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| 351 | else # fallback to mgem-list
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| 352 | { :gem => dep[:gem], :default => { :mgem => dep[:gem] } }
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| 353 | end
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| 354 | end
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| 355 |
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| 356 | def generate_gem_table build
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| 357 | gem_table = each_with_object({}) { |spec, h| h[spec.name] = spec }
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| 358 |
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| 359 | default_gems = {}
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| 360 | each do |g|
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| 361 | g.dependencies.each do |dep|
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| 362 | default_gems[dep[:gem]] ||= default_gem_params(dep)
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| 363 | end
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| 364 | end
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| 365 |
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| 366 | until default_gems.empty?
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| 367 | def_name, def_gem = default_gems.shift
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| 368 | next if gem_table[def_name]
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| 369 |
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| 370 | spec = gem_table[def_name] = build.gem(def_gem[:default])
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| 371 | fail "Invalid gem name: #{spec.name} (Expected: #{def_name})" if spec.name != def_name
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| 372 | spec.setup
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| 373 |
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| 374 | spec.dependencies.each do |dep|
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| 375 | default_gems[dep[:gem]] ||= default_gem_params(dep)
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| 376 | end
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| 377 | end
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| 378 |
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| 379 | each do |g|
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| 380 | g.dependencies.each do |dep|
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| 381 | name = dep[:gem]
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| 382 | req_versions = dep[:requirements]
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| 383 | dep_g = gem_table[name]
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| 384 |
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| 385 | # check each GEM dependency against all available GEMs
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| 386 | if dep_g.nil?
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| 387 | fail "The GEM '#{g.name}' depends on the GEM '#{name}' but it could not be found"
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| 388 | end
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| 389 | unless dep_g.version_ok? req_versions
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| 390 | fail "#{name} version should be #{req_versions.join(' and ')} but was '#{dep_g.version}'"
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| 391 | end
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| 392 | end
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| 393 |
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| 394 | cfls = g.conflicts.select { |c|
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| 395 | cfl_g = gem_table[c[:gem]]
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| 396 | cfl_g and cfl_g.version_ok?(c[:requirements] || ['>= 0.0.0'])
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| 397 | }.map { |c| "#{c[:gem]}(#{gem_table[c[:gem]].version})" }
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| 398 | fail "Conflicts of gem `#{g.name}` found: #{cfls.join ', '}" unless cfls.empty?
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| 399 | end
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| 400 |
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| 401 | gem_table
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| 402 | end
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| 403 |
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| 404 | def tsort_dependencies ary, table, all_dependency_listed = false
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| 405 | unless all_dependency_listed
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| 406 | left = ary.dup
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| 407 | until left.empty?
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| 408 | v = left.pop
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| 409 | table[v].dependencies.each do |dep|
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| 410 | left.push dep[:gem]
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| 411 | ary.push dep[:gem]
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| 412 | end
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| 413 | end
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| 414 | end
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| 415 |
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| 416 | ary.uniq!
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| 417 | table.instance_variable_set :@root_gems, ary
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| 418 | class << table
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| 419 | include TSort
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| 420 | def tsort_each_node &b
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| 421 | @root_gems.each &b
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| 422 | end
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| 423 |
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| 424 | def tsort_each_child(n, &b)
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| 425 | fetch(n).dependencies.each do |v|
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| 426 | b.call v[:gem]
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| 427 | end
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| 428 | end
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| 429 | end
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| 430 |
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| 431 | begin
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| 432 | table.tsort.map { |v| table[v] }
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| 433 | rescue TSort::Cyclic => e
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| 434 | fail "Circular mrbgem dependency found: #{e.message}"
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| 435 | end
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| 436 | end
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| 437 |
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| 438 | def check(build)
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| 439 | gem_table = generate_gem_table build
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| 440 |
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| 441 | @ary = tsort_dependencies gem_table.keys, gem_table, true
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| 442 |
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| 443 | each(&:setup_compilers)
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| 444 |
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| 445 | each do |g|
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| 446 | import_include_paths(g)
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| 447 | end
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| 448 | end
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| 449 |
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| 450 | def import_include_paths(g)
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| 451 | gem_table = each_with_object({}) { |spec, h| h[spec.name] = spec }
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| 452 |
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| 453 | g.dependencies.each do |dep|
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| 454 | dep_g = gem_table[dep[:gem]]
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| 455 | # We can do recursive call safely
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| 456 | # as circular dependency has already detected in the caller.
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| 457 | import_include_paths(dep_g)
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| 458 |
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| 459 | dep_g.export_include_paths.uniq!
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| 460 | g.compilers.each do |compiler|
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| 461 | compiler.include_paths += dep_g.export_include_paths
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| 462 | g.export_include_paths += dep_g.export_include_paths
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| 463 | compiler.include_paths.uniq!
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| 464 | g.export_include_paths.uniq!
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| 465 | end
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| 466 | end
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| 467 | end
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| 468 | end # List
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| 469 | end # Gem
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| 470 |
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| 471 | GemBox = Object.new
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| 472 | class << GemBox
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| 473 | attr_accessor :path
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| 474 |
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| 475 | def new(&block); block.call(self); end
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| 476 | def config=(obj); @config = obj; end
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| 477 | def gem(gemdir, &block); @config.gem(gemdir, &block); end
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| 478 | def gembox(gemfile); @config.gembox(gemfile); end
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| 479 | end # GemBox
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| 480 | end # MRuby
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