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104 lines
2.3 KiB
Ruby
104 lines
2.3 KiB
Ruby
# frozen_string_literal: true
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# Released under the MIT License.
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# Copyright, 2010-2012, by Jari Bakken.
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# Copyright, 2012, by Hal Brodigan.
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# Copyright, 2013-2024, by Samuel Williams.
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# Copyright, 2013-2014, by Carlos Martín Nieto.
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# Copyright, 2013, by Takeshi Watanabe.
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# Copyright, 2014, by Masahiro Sano.
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# Copyright, 2014, by Greg Hazel.
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# Copyright, 2014, by Niklas Therning.
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# Copyright, 2016, by Mike Dalessio.
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# Copyright, 2019, by Hayden Purdy.
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# Copyright, 2019, by Dominic Sisnero.
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# Copyright, 2020, by Zete Lui.
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# Copyright, 2023, by Charlie Savage.
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require 'mkmf'
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module FFI
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module Clang
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module Lib
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extend FFI::Library
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# Use LLVM_CONFIG if it was explicitly specified:
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llvm_config = ENV['LLVM_CONFIG']
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# If we aren't building for a specific version (e.g. travis) try to find llvm-config
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unless ENV['LLVM_VERSION']
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llvm_config ||= MakeMakefile.find_executable("llvm-config")
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end
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libs = []
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if ENV['LIBCLANG']
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libs << ENV['LIBCLANG']
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elsif llvm_config
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llvm_library_dir = `#{llvm_config} --libdir`.chomp
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platform = FFI::Clang.platform
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case platform
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when :darwin
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libs << llvm_library_dir + '/libclang.dylib'
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when :windows
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llvm_bin_dir = `#{llvm_config} --bindir`.chomp
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libs << llvm_bin_dir + '/libclang.dll'
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else
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libs << llvm_library_dir + '/libclang.so'
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end
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end
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begin
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xcode_dir = `xcode-select -p`.chomp
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%W[
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#{xcode_dir}/Toolchains/XcodeDefault.xctoolchain/usr/lib/libclang.dylib
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#{xcode_dir}/usr/lib/libclang.dylib
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].each do |f|
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if File.exist? f
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libs << f
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break
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end
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end
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rescue Errno::ENOENT
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# Ignore
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end
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libs << "clang"
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ffi_lib libs
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def self.bitmask_from(enum, opts)
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bitmask = 0
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opts.each do |symbol|
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if int = enum[symbol]
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bitmask |= int
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else
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raise Error, "unknown option: #{symbol}, expected one of #{enum.symbols}"
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end
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end
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bitmask
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end
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def self.opts_from(enum, bitmask)
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bit = 1
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result = []
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while bitmask != 0
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if bitmask & 1
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if symbol = enum[bit]
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result << symbol
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else
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raise(Error, "unknown values: #{bit}, expected one of #{enum.symbols}")
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end
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end
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bitmask >>= 1
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bit <<= 1
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end
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result
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end
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end
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end
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end
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