free_mutant/lib/mutant/zombifier/file.rb

82 lines
1.6 KiB
Ruby
Raw Normal View History

module Mutant
class Zombifier
# File containing source being zombified
class File
include Adamantium::Flat, Concord::Public.new(:path), AST::Sexp
# Zombify contents of file
#
# @return [self]
#
# @api private
#
def zombify(namespace)
2014-05-27 11:12:36 -04:00
$stderr.puts("Zombifying #{path}")
eval(
Unparser.unparse(namespaced_node(namespace)),
TOPLEVEL_BINDING,
path.to_s
)
self
end
2014-04-04 10:18:45 -04:00
# Find file by logical path
#
# @param [String] logical_name
#
# @return [File]
# if found
#
# @return [nil]
# otherwise
#
# @api private
#
def self.find(logical_name)
file_name =
2014-04-04 10:18:45 -04:00
case ::File.extname(logical_name)
when '.so'
return
when '.rb'
logical_name
else
"#{logical_name}.rb"
end
$LOAD_PATH.each do |path|
path = Pathname.new(path).join(file_name)
return new(path) if path.file?
end
$stderr.puts "Cannot find file #{file_name} in $LOAD_PATH"
nil
end
private
# Return node
#
# @return [Parser::AST::Node]
#
# @api private
#
def node
Parser::CurrentRuby.parse(path.read)
end
# Return namespaced root
#
# @param [Symbol] namespace
#
# @return [Parser::AST::Node]
#
# @api private
#
def namespaced_node(namespace)
s(:module, s(:const, nil, namespace), node)
end
end # File
end # Zombifier
end # Mutant