= Rua

Copyright (c) 2007,2008 SUGAWARA Genki <sgwr_dts@yahoo.co.jp>

== Description

Rua is a library for using Lua under Ruby.

== Project Page

http://rubyforge.org/projects/rua

== Install

gem install rua

== Download

http://rubyforge.org/frs/?group_id=4845

== Example

require 'rua'

class MyClass
CONST_FOO = 100
def val=(v); @val = v; end
def val; @val; end
def [](k); "#k->#@val"; end
def []=(k, v); @val = "#k:#v"; end
end

rua = Rua.new(:all)
#rua.external_charset = Rua::SJIS
#rua.openlibs(:base, :package, :string)
#rua.secure = false
rua.abort_by_error = false
rua.error_handler = lambda do |e|
p e
p e.cause
p e.info.to_hash
end

rua.str = 'xxx'
rua.num = 100
rua.range = 1..5
rua.proc = lambda do
puts 'proc called.'
end
rua.err = lambda do
raise 'err called.'
end
rua.Time = Time
rua.MyClass = MyClass

puts rua.eval(<<-EOS)
print('hello Rua!')
print(str)
print(num)
range.each(function(i)
print(i)
end)
proc()
err()
print(Time.new().to_s())
my_obj = MyClass.new()
my_obj.val = 'my_obj.val'
print(my_obj.val())
print(my_obj['foo'])
my_obj['bar'] = 'zoo'
print(my_obj.val())
print(MyClass.CONST_FOO)

f = function()
print('f() called.')
end

return true
EOS

rua.f.call
p rua.my_obj
p rua.eval('return 1, 2, 3')

co = rua.eval(<<-EOS)
function foo (a)
print('foo', a)
return coroutine.yield(2 * a)
end

return coroutine.create(function (a, b)
print('co-body', a, b)
local r = foo(a + 1)
print('co-body', r)
local r, s = coroutine.yield(a + b, a - b)
print('co-body', r, s)
return b, 'end'
end)
EOS

p co.resume(1, 10)
p co.resume('r')
p co.resume('x', 'y')
p co.resume('x', 'y')

p rua.f.info.to_hash

== Notice
This library uses Lua.

=== Lua
License for Lua 5.0 and later versions

Copyright (c) 1994-2007 Lua.org, PUC-Rio.