Method BuildSyntax

extensions/orca/orca.cpp:169–227

Generate the syntax information for the whole buffer

// Generate the syntax information for the whole buffer
void Orca::BuildSyntax()
{
    MUtilsZoneScoped;

    m_syntax.resize((m_field.width + 1) * m_field.height);

    for (long y = 0; y < m_field.height; y++)
    {
        bool inComment = false;
        for (long x = 0; x < m_field.width; x++)
        {
            auto cursorGrid = m_lastCursorPos / NVec2i(GridModulo, GridModulo);
            auto valGrid = NVec2i(x, y) / NVec2i(GridModulo, GridModulo);

            // For highlighting the cursor area
            bool near = false;
            if (x > (((m_lastCursorPos.x / GridModulo) * GridModulo) - 1) && x <= ((1 + (m_lastCursorPos.x / GridModulo)) * GridModulo) && y > (((m_lastCursorPos.y / GridModulo) * GridModulo) - 1) && y <= ((1 + (m_lastCursorPos.y / GridModulo)) * GridModulo))
            {
                // This cell is near the cursor and needs the highlight
                if (x % 2 == 0 && y % 2 == 0)
                    near = true;
            }

            // Copy the mark into the bottom of the state
            auto index = FieldIndex(x, y);
            auto mark = (uint32_t)m_mbuf_r.buffer[index];

            auto glyph = m_field.buffer[index];
            auto glyphOld = m_lastField[index];

            // TODO: Do I still want/need this?
            if (glyph != glyphOld)
            {
                mark |= OrcaFlags::Changed;
            }

            if (y % GridModulo == 0 && x % GridModulo == 0 && glyph == '.')
            {
                glyph = Glyph_class_grid_marker;
            }
            else if (near && glyph == '.')
            {
                glyph = Glyph_class_grid_marker;
            }
            else if (glyph == '#')
            {
                glyph = Glyph_class_comment;
                inComment = !inComment;
            }

            if (inComment)
            {
                glyph = Glyph_class_comment;
            }

            BuildSyntax(x, y, mark, glyph);
        }
    }