Method UpdateSyntax

src/syntax.cpp:145–333

TODO: Multiline comments

// TODO: Multiline comments
void ZepSyntax::UpdateSyntax()
{
    auto& buffer = m_buffer.GetWorkingBuffer();
    auto itrCurrent = buffer.begin() + m_processedChar;
    auto itrEnd = buffer.begin() + m_targetChar;

    assert(std::distance(itrCurrent, itrEnd) < int(m_syntax.size()));
    assert(m_syntax.size() == buffer.size());

    std::string delim;
    std::string lineEnd("\n");

    if (m_flags & ZepSyntaxFlags::LispLike)
    { 
        delim = std::string(" \t.\n(){}[]");
    }
    else
    {
        delim = std::string(" \t.\n;(){}[]=:");
    }

    // Walk backwards to previous delimiter
    while (itrCurrent > buffer.begin())
    {
        if (std::find(delim.begin(), delim.end(), *itrCurrent) == delim.end())
        {
            itrCurrent--;
        }
        else
        {
            break;
        }
    }

    // Back to the previous line
    while (itrCurrent > buffer.begin() && *itrCurrent != '\n')
    {
        itrCurrent--;
    }
    itrEnd = buffer.find_first_of(itrEnd, buffer.end(), lineEnd.begin(), lineEnd.end());

    // Mark a region of the syntax buffer with the correct marker
    auto mark = [&](GapBuffer<uint8_t>::const_iterator itrA, GapBuffer<uint8_t>::const_iterator itrB, ThemeColor type, ThemeColor background) {
        std::fill(m_syntax.begin() + (itrA - buffer.begin()), m_syntax.begin() + (itrB - buffer.begin()), SyntaxData{ type, background });
    };

    auto markSingle = [&](GapBuffer<uint8_t>::const_iterator itrA, ThemeColor type, ThemeColor background) {
        (m_syntax.begin() + (itrA - buffer.begin()))->foreground = type;
        (m_syntax.begin() + (itrA - buffer.begin()))->background = background;
    };

    // Update start location
    m_processedChar = long(itrCurrent - buffer.begin());

    // Walk the buffer updating information about syntax coloring
    while (itrCurrent != itrEnd)
    {
        if (m_stop == true)