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86 lines
3.1 KiB
Lua
86 lines
3.1 KiB
Lua
function RegisterExtractorPack(id)
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local extractorDirectory = GetPlatformToolsDirectory()
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local relativeSwiftExtractor = extractorDirectory .. 'extractor'
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local swiftExtractor = AbsolutifyExtractorPath(id, relativeSwiftExtractor)
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function indexOf(array, value)
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for i, v in ipairs(array) do
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if v == value then
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return i
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end
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end
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return nil
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end
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-- removes unsupported CLI arg including the following how_many args
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function strip_unsupported_arg(args, arg, how_many)
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local index = indexOf(args, arg)
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if index then
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table.remove(args, index)
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while (how_many > 0)
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do
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table.remove(args, index)
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how_many = how_many - 1
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end
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end
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end
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function strip_unsupported_args(args)
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strip_unsupported_arg(args, '-emit-localized-strings', 0)
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strip_unsupported_arg(args, '-emit-localized-strings-path', 1)
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strip_unsupported_arg(args, '-stack-check', 0)
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end
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-- xcodebuild does not always specify the -resource-dir in which case the compiler falls back
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-- to a resource-dir based on its path
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-- here we mimic this behavior externally
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-- without a proper -resource-dir compiler-specific headers cannot be found which leads to
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-- broken extraction
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function insert_resource_dir_if_needed(compilerPath, args)
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local resource_dir_index = indexOf(args, '-resource-dir')
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if resource_dir_index then
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return
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end
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-- derive -resource-dir based on the compilerPath
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-- e.g.: /usr/bin/swift-frontend -> /usr/bin/../lib/swift
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local last_slash_index = string.find(compilerPath, "/[^/]*$")
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local compiler_dir = string.sub(compilerPath, 1, last_slash_index)
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local resource_dir = compiler_dir .. '../lib/swift'
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table.insert(args, '-resource-dir')
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table.insert(args, resource_dir)
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end
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function SwiftMatcher(compilerName, compilerPath, compilerArguments, lang)
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-- Only match binaries names `swift-frontend`
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if compilerName ~= 'swift-frontend' then return nil end
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-- Skip the invocation in case it's not called in `-frontend` mode
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if compilerArguments.argv[1] ~= '-frontend' then return nil end
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-- Drop the `-frontend` argument
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table.remove(compilerArguments.argv, 1)
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-- Skip "info" queries in case there is nothing to extract
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if compilerArguments.argv[1] == '-print-target-info' then
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return nil
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end
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if compilerArguments.argv[1] == '-emit-supported-features' then
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return nil
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end
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strip_unsupported_args(compilerArguments.argv)
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insert_resource_dir_if_needed(compilerPath, compilerArguments.argv)
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return {
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trace = true,
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replace = false,
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order = ORDER_AFTER,
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invocation = {path = swiftExtractor, arguments = compilerArguments}
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}
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end
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return {SwiftMatcher}
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end
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-- Return a list of minimum supported versions of the configuration file format
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-- return one entry per supported major version.
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function GetCompatibleVersions() return {'1.0.0'} end
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