inspec/lib/inspec/library_eval_context.rb
Clinton Wolfe 231c4bf048 Rollback library eval context de-meta-programming
This broke creation of custom resources in resource packs,
and also made privrivea resource registries too private.

Signed-off-by: Clinton Wolfe <clintoncwolfe@gmail.com>
2020-02-21 16:36:47 -05:00

53 lines
1.5 KiB
Ruby

require "inspec/resource"
require "inspec/dsl_shared"
module Inspec
#
# LibaryEvalContext constructs an instance of an anonymous class
# that library files will be instance_exec'd against.
#
# The anonymous class ensures that `Inspec.resource(1)` will return
# an anonymouse class that is suitable as the parent class of an
# inspec resource. The class returned will have the resource
# registry used by all dsl methods bound to the resource registry
# passed into the #create constructor.
#
#
class LibraryEvalContext
def self.create(registry, require_loader)
c = Class.new(Inspec::Resource) do
define_singleton_method :__resource_registry do
registry
end
end
c2 = Class.new do
define_singleton_method :resource do |version|
Inspec.validate_resource_dsl_version!(version)
c
end
end
c3 = Class.new do
include Inspec::DSL::RequireOverride
def initialize(require_loader)
@require_loader = require_loader
@inspec_binding = nil
end
def __inspec_binding
@inspec_binding
end
end
c3.const_set(:Inspec, c2)
res = c3.new(require_loader)
# Provide the local binding for this context which is necessary for
# calls to `require` to create all dependent objects in the correct
# context.
res.instance_variable_set("@inspec_binding", res.instance_eval("binding"))
res
end
end
end