Merge pull request #2937 from sagmor/gem

Distribute MRuby's source as a Ruby gem

1 files changed, 30 insertions, 0 deletions

diff --git a/lib/mruby/source.rb b/lib/mruby/source.rb
new file mode 100644
index 000000000..5819a322b
--- /dev/null
+++ b/lib/mruby/source.rb
@@ -0,0 +1,30 @@
+require "pathname"
+
+module MRuby
+  module Source
+    # MRuby's source root directory
+    ROOT = Pathname.new(File.expand_path('../../../',__FILE__))
+
+    # Reads a constant defined at version.h
+    MRUBY_READ_VERSION_CONSTANT = Proc.new { |name| ROOT.join('include','mruby','version.h').read.match(/^#define #{name} +"?([\w\. ]+)"?$/)[1] }
+
+    MRUBY_RUBY_VERSION = MRUBY_READ_VERSION_CONSTANT['MRUBY_RUBY_VERSION']
+    MRUBY_RUBY_ENGINE = MRUBY_READ_VERSION_CONSTANT['MRUBY_RUBY_ENGINE']
+
+    MRUBY_RELEASE_MAJOR = Integer(MRUBY_READ_VERSION_CONSTANT['MRUBY_RELEASE_MAJOR'])
+    MRUBY_RELEASE_MINOR = Integer(MRUBY_READ_VERSION_CONSTANT['MRUBY_RELEASE_MINOR'])
+    MRUBY_RELEASE_TEENY = Integer(MRUBY_READ_VERSION_CONSTANT['MRUBY_RELEASE_TEENY'])
+
+    MRUBY_VERSION = [MRUBY_RELEASE_MAJOR,MRUBY_RELEASE_MINOR,MRUBY_RELEASE_TEENY].join('.')
+    MRUBY_RELEASE_NO = (MRUBY_RELEASE_MAJOR * 100 * 100 + MRUBY_RELEASE_MINOR * 100 + MRUBY_RELEASE_TEENY)
+
+    MRUBY_RELEASE_YEAR = Integer(MRUBY_READ_VERSION_CONSTANT['MRUBY_RELEASE_YEAR'])
+    MRUBY_RELEASE_MONTH = Integer(MRUBY_READ_VERSION_CONSTANT['MRUBY_RELEASE_MONTH'])
+    MRUBY_RELEASE_DAY = Integer(MRUBY_READ_VERSION_CONSTANT['MRUBY_RELEASE_DAY'])
+    MRUBY_RELEASE_DATE = [MRUBY_RELEASE_YEAR,MRUBY_RELEASE_MONTH,MRUBY_RELEASE_DAY].join('.')
+
+    MRUBY_BIRTH_YEAR = Integer(MRUBY_READ_VERSION_CONSTANT['MRUBY_BIRTH_YEAR'])
+
+    MRUBY_AUTHOR = MRUBY_READ_VERSION_CONSTANT['MRUBY_AUTHOR']
+  end
+end