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Versions: 12
Compression:
Stored size: 862 Bytes
Contents
# = Macros
#
# A powerfull macro implementation for Ruby. Allows definition
# of new macro.
#
# EXPERIMENTAL, not fully working yet
#
# code:
# George Moschovitis <gm@navel.gr>
#
# (c) 2004 Navel, all rights reserved.
# $Id: macro.rb 165 2004-11-18 12:04:04Z gmosx $
$__macros__ = {}
$__required__ = {}
module Kernel
alias_method :old_require, :require
def require(path)
return if $__required__[path]
source = File.read(path)
# parse macro
source.gsub!(/defmacro\s*\/(.*?)\/\s(.*?)endmacro/m) {
$__macros__[Regexp.new($1)] = $2 ; ""
}
# expand macros
$__macros__.each { |match, replace|
source.gsub!(match, replace)
}
$__required__[path] = true
eval(source)
end
end
require "nitro/test1.rb"
require "nitro/test2.rb"
__END__
Examples:
defmacro /my_macro\((.*)\)/
begin
my_function(\1)
rescue => ex
puts ex
end
endmacro
Version data entries
12 entries across 12 versions & 2 rubygems