| 4838 | |
| 4839 | #ifndef WITH_NO_CODEGEN |
| 4840 | void Pattern::write_predictor(FILE *file) const |
| 4841 | { |
| 4842 | const char *nl = "\"\n \""; |
| 4843 | ::fprintf(file, "// reflex::Pattern FSM C++ code or opcode constructor also takes a search pattern prediction table:\nextern const char reflex_pred_%s[] = {", opt_.n.empty() ? "FSM" : opt_.n.c_str()); |
| 4844 | ::fprintf(file, "\n \"%02x%02x", static_cast<uint8_t>(len_), (static_cast<uint8_t>(min_ | (one_ << 4) | ((lbk_ > 0) << 5) | (bol_ << 6)))); |
| 4845 | // save match characters chr_[0..len_-1] |
| 4846 | for (size_t i = 0; i < len_; ++i) |
| 4847 | ::fprintf(file, "%s%02x", ((i + 2) % 32) ? "" : nl, static_cast<uint8_t>(chr_[i])); |
| 4848 | int span = 0, k = 0; |
| 4849 | if (len_ == 0) |
| 4850 | { |
| 4851 | // save bit_[] parameters |
| 4852 | for (int i = 0; i < 256; ++i) |
| 4853 | ::fprintf(file, "%s%02x", (i % 32) ? "" : nl, static_cast<uint8_t>(~bit_[i])); |
| 4854 | if (min_ > 7) |
| 4855 | { |
| 4856 | // save tap_[] parameters uncompressed |
| 4857 | for (int i = 0; i < Const::BTAP; ++i) |
| 4858 | ::fprintf(file, "%s%02x", (i % 32) ? "" : nl, static_cast<uint8_t>(tap_[i])); |
| 4859 | } |
| 4860 | else |
| 4861 | { |
| 4862 | // save tap_[] parameters compressed |
| 4863 | for (int i = 0; i <= Const::BTAP; ++i) |
| 4864 | { |
| 4865 | int byte = i < Const::BTAP ? static_cast<uint8_t>(tap_[i]) : -1; |
| 4866 | if (byte != 0xff) |
| 4867 | { |
| 4868 | if (--span >= 0) |
| 4869 | { |
| 4870 | while (span >= 128) |
| 4871 | { |
| 4872 | ::fprintf(file, "%sff", (k++ % 32) ? "" : nl); |
| 4873 | span -= 128; |
| 4874 | } |
| 4875 | ::fprintf(file, "%s%02x", (k++ % 32) ? "" : nl, static_cast<uint8_t>(span | 128)); |
| 4876 | } |
| 4877 | if (byte >= 0) |
| 4878 | ::fprintf(file, "%s%02x", (k++ % 32) ? "" : nl, byte & 0x7f); |
| 4879 | span = 0; |
| 4880 | } |
| 4881 | else |
| 4882 | { |
| 4883 | ++span; |
| 4884 | } |
| 4885 | } |
| 4886 | } |
| 4887 | } |
| 4888 | if (len_ == 0 || min_ > 0) |
| 4889 | { |
| 4890 | // save predict match array pma_[] parameters compressed using "free" bits to mark and count 0xff sequences |
| 4891 | span = 0; |
| 4892 | for (int i = 0; i <= Const::HASH; ++i) |
| 4893 | { |
| 4894 | int hi_byte = i < Const::HASH ? static_cast<uint8_t>(pma_[i] >> 8) : -1; |
| 4895 | if (hi_byte != 0xff) |
| 4896 | { |
| 4897 | if (--span >= 0) |