class Capstone < Formula
  desc "Multi-platform, multi-architecture disassembly framework"
  homepage "https://www.capstone-engine.org/"
  url "https://github.com/aquynh/capstone/archive/4.0.1.tar.gz"
  sha256 "79bbea8dbe466bd7d051e037db5961fdb34f67c9fac5c3471dd105cfb1e05dc7"
  head "https://github.com/aquynh/capstone.git"

  bottle do
    cellar :any
    sha256 "e792acf6f3c23be1853f8658f35766c87dc35f165b6d6728aca61596bc9de230" => :mojave
    sha256 "2a8a4842ad2660dad079216a12efe8b6d6394b548c6e056f250aa6d6cdf3802d" => :high_sierra
    sha256 "561639bc13e269d61af352e106b3d039a4c9b5fdadd45b04bcf9f8c9f99a53c6" => :sierra
  end

  def install
    ENV["HOMEBREW_CAPSTONE"] = "1"
    ENV["PREFIX"] = prefix
    system "./make.sh"
    system "./make.sh", "install"
  end

  test do
    # code comes from https://www.capstone-engine.org/lang_c.html
    (testpath/"test.c").write <<~EOS
      #include <stdio.h>
      #include <inttypes.h>
      #include <capstone/capstone.h>
      #define CODE "\\x55\\x48\\x8b\\x05\\xb8\\x13\\x00\\x00"

      int main()
      {
        csh handle;
        cs_insn *insn;
        size_t count;
        if (cs_open(CS_ARCH_X86, CS_MODE_64, &handle) != CS_ERR_OK)
          return -1;
        count = cs_disasm(handle, CODE, sizeof(CODE)-1, 0x1000, 0, &insn);
        if (count > 0) {
          size_t j;
          for (j = 0; j < count; j++) {
            printf("0x%"PRIx64":\\t%s\\t\\t%s\\n", insn[j].address, insn[j].mnemonic,insn[j].op_str);
          }
          cs_free(insn, count);
        } else
          printf("ERROR: Failed to disassemble given code!\\n");
        cs_close(&handle);
        return 0;
      }
    EOS
    system ENV.cc, "test.c", "-L#{lib}", "-lcapstone", "-o", "test"
    system "./test"
  end
end