| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | #include "script.h" | ||
| 2 | #include "tokens.h" | ||
| 3 | #include <cstring> | ||
| 4 | #include <functional> | ||
| 5 | #include <map> | ||
| 6 | |||
| 7 | namespace script | ||
| 8 | { | ||
| 9 | 3 | std::string compile(const std::vector<std::string>& source, | |
| 10 | std::vector<char>& data) | ||
| 11 | { | ||
| 12 |
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3 | if (source.empty()) |
| 13 | ✗ | return "Empty source"; | |
| 14 | |||
| 15 | // text conversion byte code, version 1 | ||
| 16 |
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3 | std::vector<char> header{'t', 'c', 'b', 'c', 1}; |
| 17 | |||
| 18 | 3 | std::vector<char> payload; | |
| 19 |
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3 | payload.reserve(1024); |
| 20 | |||
| 21 | command cmd; | ||
| 22 | 3 | std::string operand; | |
| 23 | |||
| 24 | 3 | auto line_index = 0; | |
| 25 | |||
| 26 |
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17 | for (const auto& line : source) |
| 27 | { | ||
| 28 | 15 | line_index++; | |
| 29 | |||
| 30 |
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15 | if (line.empty()) |
| 31 | 2 | continue; | |
| 32 | |||
| 33 |
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15 | parse(line, cmd, operand); |
| 34 | |||
| 35 |
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15 | if (cmd == command::COMMENT) |
| 36 | 2 | continue; | |
| 37 | |||
| 38 |
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13 | if (cmd == command::INVALID) |
| 39 |
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2 | return std::string{"Invalid command at line "} + |
| 40 |
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3 | std::to_string(line_index); |
| 41 | |||
| 42 | 12 | language_token t; | |
| 43 |
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12 | if (!get_from_ID(cmd, t)) |
| 44 | ✗ | return "Unknown command."; | |
| 45 | |||
| 46 |
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12 | payload.push_back(t.byte_code); |
| 47 | |||
| 48 |
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12 | if (t.has_operand) |
| 49 | { | ||
| 50 | 4 | auto idx = payload.size(); | |
| 51 | |||
| 52 | // limit: only char long strings | ||
| 53 | 4 | const auto size = static_cast<unsigned int>(operand.size()); | |
| 54 | 4 | const auto data_size = sizeof(unsigned int); | |
| 55 | |||
| 56 |
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4 | payload.resize(idx + data_size); |
| 57 | |||
| 58 | 4 | memcpy(payload.data() + idx, &size, data_size); | |
| 59 | |||
| 60 | 4 | idx = payload.size(); | |
| 61 |
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4 | payload.resize(idx + size); |
| 62 | |||
| 63 | 4 | memcpy(payload.data() + idx, operand.data(), size); | |
| 64 | } | ||
| 65 |
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12 | } |
| 66 | |||
| 67 | // hash | ||
| 68 | |||
| 69 |
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2 | auto hash_argument = payload; |
| 70 |
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2 | hash_argument.insert(hash_argument.end(), secret_key.begin(), |
| 71 | secret_key.end()); | ||
| 72 | |||
| 73 | vector_hash hasher; | ||
| 74 | 2 | const auto hash_value = hasher(hash_argument); | |
| 75 | |||
| 76 | // merge | ||
| 77 | |||
| 78 |
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2 | data = header; |
| 79 | |||
| 80 |
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2 | data.resize(data.size() + sizeof(size_t)); |
| 81 | 2 | memcpy(data.data() + header.size(), &hash_value, sizeof(size_t)); | |
| 82 | |||
| 83 |
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2 | data.insert(data.end(), payload.begin(), payload.end()); |
| 84 | |||
| 85 |
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2 | return ""; |
| 86 | 3 | } | |
| 87 | } // namespace script | ||
| 88 |