114 lines
2.1 KiB
Ruby
114 lines
2.1 KiB
Ruby
# frozen_string_literal: true
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require "macho"
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require "os/mac/architecture_list"
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module MachOShim
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extend Forwardable
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delegate [:dylib_id, :rpaths, :delete_rpath] => :macho
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# @private
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def macho
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@macho ||= begin
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MachO.open(to_s)
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end
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end
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# @private
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def mach_data
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@mach_data ||= begin
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machos = []
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mach_data = []
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if MachO::Utils.fat_magic?(macho.magic)
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machos = macho.machos
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else
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machos << macho
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end
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machos.each do |m|
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arch = case m.cputype
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when :x86_64, :i386, :ppc64 then m.cputype
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when :ppc then :ppc7400
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else :dunno
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end
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type = case m.filetype
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when :dylib, :bundle then m.filetype
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when :execute then :executable
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else :dunno
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end
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mach_data << { arch: arch, type: type }
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end
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mach_data
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rescue MachO::NotAMachOError
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# Silently ignore errors that indicate the file is not a Mach-O binary ...
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[]
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rescue
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# ... but complain about other (parse) errors for further investigation.
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onoe "Failed to read Mach-O binary: #{self}"
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raise if Homebrew::EnvConfig.developer?
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[]
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end
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end
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def dynamically_linked_libraries(except: :none)
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lcs = macho.dylib_load_commands.reject { |lc| lc.type == except }
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lcs.map(&:name).map(&:to_s).uniq
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end
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def archs
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mach_data.map { |m| m.fetch :arch }.extend(ArchitectureListExtension)
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end
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def arch
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case archs.length
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when 0 then :dunno
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when 1 then archs.first
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else :universal
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end
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end
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def universal?
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arch == :universal
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end
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def i386?
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arch == :i386
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end
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def x86_64?
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arch == :x86_64
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end
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def ppc7400?
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arch == :ppc7400
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end
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def ppc64?
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arch == :ppc64
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end
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# @private
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def dylib?
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mach_data.any? { |m| m.fetch(:type) == :dylib }
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end
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# @private
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def mach_o_executable?
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mach_data.any? { |m| m.fetch(:type) == :executable }
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end
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alias binary_executable? mach_o_executable?
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# @private
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def mach_o_bundle?
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mach_data.any? { |m| m.fetch(:type) == :bundle }
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end
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end
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