Method printSourceLocation

liblangutil/SourceReferenceFormatter.cpp:115–187

}

void SourceReferenceFormatter::printSourceLocation(SourceReference const& _ref)
{
	if (_ref.position.line < 0)
	{
		if (_ref.sourceName.empty())
			return; // Nothing we can print here

		frameColored() << "-->";
		m_stream << ' ' << _ref.sourceName << '\n';
		return; // No line available, nothing else to print
	}

	std::string line = std::to_string(_ref.position.line + 1); // one-based line number as string
	std::string leftpad = std::string(line.size(), ' ');

	// line 0: source name
	m_stream << leftpad;
	frameColored() << "-->";
	m_stream << ' ' << _ref.sourceName << ':' << line << ':' << (_ref.position.column + 1) << ":\n";

	std::string_view text = _ref.text;

	if (m_charStreamProvider.charStream(_ref.sourceName).isImportedFromAST())
		return;

	if (!_ref.multiline)
	{
		size_t const locationLength = static_cast<size_t>(_ref.endColumn - _ref.startColumn);

		// line 1:
		m_stream << leftpad << ' ';
		frameColored() << '|';
		m_stream << '\n';

		// line 2:
		frameColored() << line << " |";

		m_stream << ' ' << text.substr(0, static_cast<size_t>(_ref.startColumn));
		highlightColored() << text.substr(static_cast<size_t>(_ref.startColumn), locationLength);
		m_stream << text.substr(static_cast<size_t>(_ref.endColumn)) << '\n';

		// line 3:
		m_stream << leftpad << ' ';
		frameColored() << '|';

		m_stream << ' ' << replaceNonTabs(text.substr(0, static_cast<size_t>(_ref.startColumn)), ' ');
		diagColored() << (
			locationLength == 0 ?
			"^" :
			replaceNonTabs(text.substr(static_cast<size_t>(_ref.startColumn), locationLength), '^')
		);
		m_stream << '\n';
	}
	else
	{
		// line 1:
		m_stream << leftpad << ' ';
		frameColored() << '|';