80 lines
1.8 KiB
Ruby
80 lines
1.8 KiB
Ruby
# encoding: utf-8
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module Mutant
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# Zombifier namespace
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class Zombifier
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include Adamantium::Flat, Concord.new(:namespace)
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# Excluded from zombification
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IGNORE = [
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# Unparser is not performant enough (does some backtracking!) for generated lexer.rb
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'parser',
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'parser/all',
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'parser/current',
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# Wierd constant definitions / guards.
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'diff/lcs',
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'diff/lcs/hunk',
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# Mix beteen constants defined in .so and .rb files
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# Cannot be deterministically namespaced from ruby
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# without dynamically recompiling openssl ;)
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'openssl',
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# Constant propagation errors
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'thread_safe'
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].to_set.freeze
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# Initialize object
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#
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# @param [Symbol] namespace
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#
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# @return [undefined]
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#
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# @api private
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#
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def initialize(namespace)
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@namespace = namespace
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@zombified = Set.new(IGNORE)
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end
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# Perform zombification of target library
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#
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# @param [String] logical_name
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# @param [Symbol] namespace
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#
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# @api private
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#
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def self.run(logical_name, namespace)
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new(namespace).run(logical_name)
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end
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# Run zombifier
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#
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# @param [String] logical_name
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#
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# @return [undefined]
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#
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# @api private
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#
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def run(logical_name)
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highjack = RequireHighjack.new(Kernel, method(:require))
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highjack.infect
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require(logical_name)
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end
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# Require file in zombie namespace
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#
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# @param [String] logical_name
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#
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# @return [self]
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#
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# @api private
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#
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def require(logical_name)
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return if @zombified.include?(logical_name)
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@zombified << logical_name
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file = File.find(logical_name)
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file.zombify(namespace) if file
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self
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end
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end # Zombifier
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end # Mutant
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