1require "pathname"
2
3module MRuby
4  module Source
5    # MRuby's source root directory
6    ROOT = Pathname.new(File.expand_path('../../../',__FILE__))
7
8    # Reads a constant defined at version.h
9    MRUBY_READ_VERSION_CONSTANT = Proc.new { |name| ROOT.join('include','mruby','version.h').read.match(/^#define #{name} +"?([\w\. ]+)"?$/)[1] }
10
11    MRUBY_RUBY_VERSION = MRUBY_READ_VERSION_CONSTANT['MRUBY_RUBY_VERSION']
12    MRUBY_RUBY_ENGINE = MRUBY_READ_VERSION_CONSTANT['MRUBY_RUBY_ENGINE']
13
14    MRUBY_RELEASE_MAJOR = Integer(MRUBY_READ_VERSION_CONSTANT['MRUBY_RELEASE_MAJOR'])
15    MRUBY_RELEASE_MINOR = Integer(MRUBY_READ_VERSION_CONSTANT['MRUBY_RELEASE_MINOR'])
16    MRUBY_RELEASE_TEENY = Integer(MRUBY_READ_VERSION_CONSTANT['MRUBY_RELEASE_TEENY'])
17
18    MRUBY_VERSION = [MRUBY_RELEASE_MAJOR,MRUBY_RELEASE_MINOR,MRUBY_RELEASE_TEENY].join('.')
19    MRUBY_RELEASE_NO = (MRUBY_RELEASE_MAJOR * 100 * 100 + MRUBY_RELEASE_MINOR * 100 + MRUBY_RELEASE_TEENY)
20
21    MRUBY_RELEASE_YEAR = Integer(MRUBY_READ_VERSION_CONSTANT['MRUBY_RELEASE_YEAR'])
22    MRUBY_RELEASE_MONTH = Integer(MRUBY_READ_VERSION_CONSTANT['MRUBY_RELEASE_MONTH'])
23    MRUBY_RELEASE_DAY = Integer(MRUBY_READ_VERSION_CONSTANT['MRUBY_RELEASE_DAY'])
24    MRUBY_RELEASE_DATE = [MRUBY_RELEASE_YEAR,MRUBY_RELEASE_MONTH,MRUBY_RELEASE_DAY].join('.')
25
26    MRUBY_BIRTH_YEAR = Integer(MRUBY_READ_VERSION_CONSTANT['MRUBY_BIRTH_YEAR'])
27
28    MRUBY_AUTHOR = MRUBY_READ_VERSION_CONSTANT['MRUBY_AUTHOR']
29  end
30end
31