@[Link(ldflags: "#{__DIR__}/../../external/liblex/build/external/libds/libds.a")]
lib LibDs
    struct LlNode
        next: LlNode*
        prev: LlNode*
        data: Void*
    end

    struct Ll
        head: LlNode*
        tail: LlNode*
    end

    enum Result
        Success,
        Malloc
    end

    fun compare_always(a: Void*, b: Void*): Int32

    fun ll_init(list: Ll*)
    fun ll_foreach(list: Ll*, compare_to: Void*,
                   compare: Void*, Void* -> Int32,
                   foreach: Void*, LibC::VaList-> Int32, ...): Int32
    fun ll_free(list: Ll*)
end

@[Link(ldflags: "#{__DIR__}/../../external/liblex/build/liblex.a #{__DIR__}/../../external/liblex/build/external/libds/libds.a")]
lib LibLex
    struct EvalConfig
        stats: LibDs::Ll
    end

    struct Match
        from: LibC::SizeT
        to: LibC::SizeT
        pattern: Int32
    end

    enum Result
        Success,
        Malloc,
        Invalid,
        Unrecognized
    end

    fun eval_config_init(config: EvalConfig*)
    fun eval_config_add(config: EvalConfig*, string: UInt8*, id: Int32): Result
    fun eval_all(string: UInt8*, index: LibC::SizeT, config: EvalConfig*,
                 matches: LibDs::Ll*): Result
    fun eval_config_remove(config: EvalConfig*, string: UInt8*,
                           id: Int32): Result
    fun eval_config_free(config: EvalConfig*): Result
    fun eval_foreach_match_free(match: Void*, args: LibC::VaList): Int32
end