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require 'rake/gempackagetask'
task :default => :spec
BASE_DIR = File.expand_path('../', __FILE__)
RUBY = ENV["RUBY"] || "rbx"
def spec(target)
sh("mspec ci -t #{target} -T -I#{BASE_DIR} spec") { |ok, res| }
desc "Run the specs with $RUBY or 'rbx' (default)"
task :spec do
spec RUBY
namespace :spec do
desc "Run the specs with Rubinius"
task :rbx do
spec "rbx"
desc "Run the specs with the 'ruby' on $PATH"
task :ruby do
spec "ruby"
desc "Run the specs with all engines"
task :all => [:rbx, :ruby]
spec = do |s|
require File.expand_path('../lib/pegarus/version', __FILE__) = "pegarus"
s.version = Pegarus::VERSION.to_s
s.specification_version = 2 if s.respond_to? :specification_version=
s.required_rubygems_version =">= 0") if s.respond_to? :required_rubygems_version=
s.authors = ["Brian Ford"] = %q{2010-10-24} = %q{}
s.has_rdoc = true
s.extra_rdoc_files = %w[ README LICENSE ]
s.executables = []
s.files = FileList[ '{bin,lib,spec}/**/*.{yaml,txt,rb}', 'Rakefile', *s.extra_rdoc_files ]
s.homepage = %q{}
s.require_paths = ["lib"]
s.rubygems_version = %q{1.3.5}
s.summary = "Pegarus is an implementation of LPEG in Ruby."
s.description = <<EOS
Pegarus is, broadly, an implementation of LPEG on Rubinius. LPEG implements a
Parsing Expression Grammar using a parsing machine rather than the Packrat
algorithm. (See "A Text Pattern-Matching Tool based on Parsing Expression
Grammars" by Roberto Ierusalimschy.)
Pegarus actually implements an abstract syntax tree (AST) for the PEG. There
are various options to execute the AST against a subject string. One option is
a simple AST-walking evaluator. A second option is an implementation of the
LPEG parsing machine. A third option is a compiler that targets Rubinius
s.rdoc_options << '--title' << 'Pegarus Gem' <<
'--main' << 'README' <<
end{ |pkg| pkg.gem_spec = spec }