mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
Using iterators in Natspec comment parsing
- Used iterators in the entirety of the InterfaceHandler natspec comment parsing pipeline - Fixed issue where @param continuing in new line would not get a space
This commit is contained in:
Lefteris Karapetsas
parent
dedd1a312b
commit
8f6656f1b8
@ -137,143 +137,135 @@ void InterfaceHandler::resetDev()
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m_params.clear();
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}
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size_t skipLineOrEOS(std::string const& _string, size_t _nlPos)
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std::string::const_iterator skipLineOrEOS(std::string::const_iterator _nlPos,
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std::string::const_iterator _end)
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{
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return (_nlPos == std::string::npos) ? _string.length() : _nlPos + 1;
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return (_nlPos == _end) ? _end : ++_nlPos;
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}
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size_t InterfaceHandler::parseDocTagLine(std::string const& _string,
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std::string& _tagString,
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size_t _pos,
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enum DocTagType _tagType)
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std::string::const_iterator InterfaceHandler::parseDocTagLine(std::string::const_iterator _pos,
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std::string::const_iterator _end,
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std::string& _tagString,
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enum DocTagType _tagType)
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{
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size_t nlPos = _string.find('\n', _pos);
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_tagString += _string.substr(_pos,
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nlPos == std::string::npos ?
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_string.length() - _pos:
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nlPos - _pos);
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auto nlPos = std::find(_pos, _end, '\n');
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std::copy(_pos, nlPos, back_inserter(_tagString));
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m_lastTag = _tagType;
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return skipLineOrEOS(_string, nlPos);
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return skipLineOrEOS(nlPos, _end);
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}
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size_t InterfaceHandler::parseDocTagParam(std::string const& _string, size_t _startPos)
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std::string::const_iterator InterfaceHandler::parseDocTagParam(std::string::const_iterator _pos,
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std::string::const_iterator _end)
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{
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// find param name
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size_t currPos = _string.find(' ', _startPos);
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if (currPos == std::string::npos)
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auto currPos = std::find(_pos, _end, ' ');
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if (currPos == _end)
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BOOST_THROW_EXCEPTION(CompilerError() << errinfo_comment("End of param name not found"));
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auto paramName = _string.substr(_startPos, currPos - _startPos);
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auto paramName = std::string(_pos, currPos);
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currPos += 1;
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size_t nlPos = _string.find('\n', currPos);
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auto paramDesc = _string.substr(currPos,
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nlPos == std::string::npos ?
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_string.length() - currPos :
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nlPos - currPos);
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auto nlPos = std::find(currPos, _end, '\n');
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auto paramDesc = std::string(currPos, nlPos);
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m_params.push_back(std::make_pair(paramName, paramDesc));
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m_lastTag = DOCTAG_PARAM;
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return skipLineOrEOS(_string, nlPos);
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return skipLineOrEOS(nlPos, _end);
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}
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size_t InterfaceHandler::appendDocTagParam(std::string const& _string, size_t _startPos)
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std::string::const_iterator InterfaceHandler::appendDocTagParam(std::string::const_iterator _pos,
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std::string::const_iterator _end)
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{
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// Should never be called with an empty vector
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if (asserts(!m_params.empty()))
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BOOST_THROW_EXCEPTION(CompilerError() << errinfo_comment("Internal: Tried to append to empty parameter"));
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auto pair = m_params.back();
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size_t nlPos = _string.find('\n', _startPos);
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pair.second += _string.substr(_startPos,
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nlPos == std::string::npos ?
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_string.length() - _startPos :
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nlPos - _startPos);
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pair.second += " ";
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auto nlPos = std::find(_pos, _end, '\n');
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std::copy(_pos, nlPos, back_inserter(pair.second));
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m_params.at(m_params.size() - 1) = pair;
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return skipLineOrEOS(_string, nlPos);
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return skipLineOrEOS(nlPos, _end);
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}
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size_t InterfaceHandler::parseDocTag(std::string const& _string, std::string const& _tag, size_t _pos)
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std::string::const_iterator InterfaceHandler::parseDocTag(std::string::const_iterator _pos,
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std::string::const_iterator _end,
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std::string const& _tag)
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{
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// LTODO: need to check for @(start of a tag) between here and the end of line
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// for all cases
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size_t nlPos = _pos;
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if (m_lastTag == DOCTAG_NONE || _tag != "")
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{
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if (_tag == "dev")
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nlPos = parseDocTagLine(_string, m_dev, _pos, DOCTAG_DEV);
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return parseDocTagLine(_pos, _end, m_dev, DOCTAG_DEV);
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else if (_tag == "notice")
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nlPos = parseDocTagLine(_string, m_notice, _pos, DOCTAG_NOTICE);
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return parseDocTagLine(_pos, _end, m_notice, DOCTAG_NOTICE);
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else if (_tag == "return")
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nlPos = parseDocTagLine(_string, m_return, _pos, DOCTAG_RETURN);
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return parseDocTagLine(_pos, _end, m_return, DOCTAG_RETURN);
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else if (_tag == "param")
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nlPos = parseDocTagParam(_string, _pos);
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return parseDocTagParam(_pos, _end);
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else
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{
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// LTODO: Unknown tas, throw some form of warning
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// LTODO: Unknown tag, throw some form of warning and not just an exception
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BOOST_THROW_EXCEPTION(CompilerError() << errinfo_comment("Unknown tag encountered"));
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}
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}
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else
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appendDocTag(_string, _pos);
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return nlPos;
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return appendDocTag(_pos, _end);
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}
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size_t InterfaceHandler::appendDocTag(std::string const& _string, size_t _startPos)
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std::string::const_iterator InterfaceHandler::appendDocTag(std::string::const_iterator _pos,
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std::string::const_iterator _end)
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{
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size_t newPos = _startPos;
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switch (m_lastTag)
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{
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case DOCTAG_DEV:
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m_dev += " ";
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newPos = parseDocTagLine(_string, m_dev, _startPos, DOCTAG_DEV);
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break;
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return parseDocTagLine(_pos, _end, m_dev, DOCTAG_DEV);
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case DOCTAG_NOTICE:
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m_notice += " ";
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newPos = parseDocTagLine(_string, m_notice, _startPos, DOCTAG_NOTICE);
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break;
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return parseDocTagLine(_pos, _end, m_notice, DOCTAG_NOTICE);
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case DOCTAG_RETURN:
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m_return += " ";
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newPos = parseDocTagLine(_string, m_return, _startPos, DOCTAG_RETURN);
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break;
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return parseDocTagLine(_pos, _end, m_return, DOCTAG_RETURN);
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case DOCTAG_PARAM:
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newPos = appendDocTagParam(_string, _startPos);
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break;
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return appendDocTagParam(_pos, _end);
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default:
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BOOST_THROW_EXCEPTION(CompilerError() << errinfo_comment("Internal: Illegal documentation tag"));
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break;
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}
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return newPos;
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}
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}
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void InterfaceHandler::parseDocString(std::string const& _string, size_t _startPos)
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void InterfaceHandler::parseDocString(std::string const& _string)
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{
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size_t pos2;
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size_t newPos = _startPos;
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size_t tagPos = _string.find('@', _startPos);
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size_t nlPos = _string.find('\n', _startPos);
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auto currPos = _string.begin();
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auto end = _string.end();
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if (tagPos != std::string::npos && tagPos < nlPos)
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while (currPos != end)
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{
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// we found a tag
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pos2 = _string.find(' ', tagPos);
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if (pos2 == std::string::npos)
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BOOST_THROW_EXCEPTION(CompilerError() << errinfo_comment("End of tag not found"));
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auto tagPos = std::find(currPos, end, '@');
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auto nlPos = std::find(currPos, end, '\n');
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newPos = parseDocTag(_string, _string.substr(tagPos + 1, pos2 - tagPos - 1), pos2 + 1);
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if (tagPos != end && tagPos < nlPos)
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{
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// we found a tag
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auto tagNameEndPos = std::find(tagPos, end, ' ');
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if (tagNameEndPos == end)
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BOOST_THROW_EXCEPTION(CompilerError() << errinfo_comment("End of tag not found"));
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currPos = parseDocTag(tagNameEndPos + 1, end, std::string(tagPos +1, tagNameEndPos));
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}
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else if (m_lastTag != DOCTAG_NONE) // continuation of the previous tag
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currPos = appendDocTag(currPos + 1, end);
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else // skip the line if a newline was found
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{
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if (currPos != end)
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currPos = nlPos + 1;
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}
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}
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else if (m_lastTag != DOCTAG_NONE) // continuation of the previous tag
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newPos = appendDocTag(_string, _startPos + 1);
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else // skip the line if a newline was found
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{
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if (newPos != std::string::npos)
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newPos = nlPos + 1;
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}
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if (newPos == std::string::npos || newPos == _string.length())
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return; // EOS
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parseDocString(_string, newPos);
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}
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} //solidity NS
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@ -81,12 +81,20 @@ private:
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void resetUser();
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void resetDev();
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size_t parseDocTagLine(std::string const& _string, std::string& _tagString, size_t _pos, enum DocTagType _tagType);
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size_t parseDocTagParam(std::string const& _string, size_t _startPos);
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size_t appendDocTagParam(std::string const& _string, size_t _startPos);
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void parseDocString(std::string const& _string, size_t _startPos = 0);
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size_t appendDocTag(std::string const& _string, size_t _startPos);
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size_t parseDocTag(std::string const& _string, std::string const& _tag, size_t _pos);
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std::string::const_iterator parseDocTagLine(std::string::const_iterator _pos,
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std::string::const_iterator _end,
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std::string& _tagString,
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enum DocTagType _tagType);
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std::string::const_iterator parseDocTagParam(std::string::const_iterator _pos,
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std::string::const_iterator _end);
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std::string::const_iterator appendDocTagParam(std::string::const_iterator _pos,
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std::string::const_iterator _end);
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void parseDocString(std::string const& _string);
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std::string::const_iterator appendDocTag(std::string::const_iterator _pos,
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std::string::const_iterator _end);
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std::string::const_iterator parseDocTag(std::string::const_iterator _pos,
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std::string::const_iterator _end,
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std::string const& _tag);
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Json::StyledWriter m_writer;
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