diff options
Diffstat (limited to 'src/core_read.cpp')
-rw-r--r-- | src/core_read.cpp | 53 |
1 files changed, 22 insertions, 31 deletions
diff --git a/src/core_read.cpp b/src/core_read.cpp index 320811b9e9..2149b428d2 100644 --- a/src/core_read.cpp +++ b/src/core_read.cpp @@ -26,20 +26,20 @@ opcodetype ParseOpCode(const std::string& s) { static std::map<std::string, opcodetype> mapOpNames; - if (mapOpNames.empty()) - { - for (unsigned int op = 0; op <= MAX_OPCODE; op++) - { + if (mapOpNames.empty()) { + for (unsigned int op = 0; op <= MAX_OPCODE; op++) { // Allow OP_RESERVED to get into mapOpNames - if (op < OP_NOP && op != OP_RESERVED) + if (op < OP_NOP && op != OP_RESERVED) { continue; + } std::string strName = GetOpName(static_cast<opcodetype>(op)); - if (strName == "OP_UNKNOWN") + if (strName == "OP_UNKNOWN") { continue; + } mapOpNames[strName] = static_cast<opcodetype>(op); // Convenience: OP_ADD and just ADD are both recognized: - if (strName.compare(0, 3, "OP_") == 0) { // strName starts with "OP_" + if (strName.compare(0, 3, "OP_") == 0) { // strName starts with "OP_" mapOpNames[strName.substr(3)] = static_cast<opcodetype>(op); } } @@ -59,44 +59,35 @@ CScript ParseScript(const std::string& s) std::vector<std::string> words; boost::algorithm::split(words, s, boost::algorithm::is_any_of(" \t\n"), boost::algorithm::token_compress_on); - for (std::vector<std::string>::const_iterator w = words.begin(); w != words.end(); ++w) - { - if (w->empty()) - { + for (const std::string& w : words) { + if (w.empty()) { // Empty string, ignore. (boost::split given '' will return one word) - } - else if (std::all_of(w->begin(), w->end(), ::IsDigit) || - (w->front() == '-' && w->size() > 1 && std::all_of(w->begin()+1, w->end(), ::IsDigit))) + } else if (std::all_of(w.begin(), w.end(), ::IsDigit) || + (w.front() == '-' && w.size() > 1 && std::all_of(w.begin() + 1, w.end(), ::IsDigit))) { // Number - int64_t n = LocaleIndependentAtoi<int64_t>(*w); + const auto num{ToIntegral<int64_t>(w)}; - //limit the range of numbers ParseScript accepts in decimal - //since numbers outside -0xFFFFFFFF...0xFFFFFFFF are illegal in scripts - if (n > int64_t{0xffffffff} || n < -1 * int64_t{0xffffffff}) { + // limit the range of numbers ParseScript accepts in decimal + // since numbers outside -0xFFFFFFFF...0xFFFFFFFF are illegal in scripts + if (!num.has_value() || num > int64_t{0xffffffff} || num < -1 * int64_t{0xffffffff}) { throw std::runtime_error("script parse error: decimal numeric value only allowed in the " "range -0xFFFFFFFF...0xFFFFFFFF"); } - result << n; - } - else if (w->substr(0,2) == "0x" && w->size() > 2 && IsHex(std::string(w->begin()+2, w->end()))) - { + result << num.value(); + } else if (w.substr(0, 2) == "0x" && w.size() > 2 && IsHex(std::string(w.begin() + 2, w.end()))) { // Raw hex data, inserted NOT pushed onto stack: - std::vector<unsigned char> raw = ParseHex(std::string(w->begin()+2, w->end())); + std::vector<unsigned char> raw = ParseHex(std::string(w.begin() + 2, w.end())); result.insert(result.end(), raw.begin(), raw.end()); - } - else if (w->size() >= 2 && w->front() == '\'' && w->back() == '\'') - { + } else if (w.size() >= 2 && w.front() == '\'' && w.back() == '\'') { // Single-quoted string, pushed as data. NOTE: this is poor-man's // parsing, spaces/tabs/newlines in single-quoted strings won't work. - std::vector<unsigned char> value(w->begin()+1, w->end()-1); + std::vector<unsigned char> value(w.begin() + 1, w.end() - 1); result << value; - } - else - { + } else { // opcode, e.g. OP_ADD or ADD: - result << ParseOpCode(*w); + result << ParseOpCode(w); } } |