Method DemangleChar

demangler/msvc/demangle_msvc.cpp:581–687

void Demangle::DemangleChar(char& ch)
{
	m_logger->LogDebug("%s: '%s'\n", __FUNCTION__, reader.GetRaw());
	// Basic char is just the char
	if (reader.Peek() != '?')
	{
		ch = reader.Peek();
		reader.Consume();
		return;
	}
	reader.Consume();

	// Hex char is ?$XX for 2 hex digits XX
	if (reader.Peek() == '$')
	{
		m_logger->LogDebug("%s: Hex digit '%s'\n", __FUNCTION__, reader.GetRaw());

		reader.Consume();
		char c1 = reader.Peek();
		reader.Consume();
		char c2 = reader.Peek();
		reader.Consume();

		if (c1 < 'A' || c1 > 'P')
			throw DemangleException("Invalid character");
		if (c2 < 'A' || c2 > 'P')
			throw DemangleException("Invalid character");

		uint8_t b1 = c1 - 'A';
		uint8_t b2 = c2 - 'A';

		ch = (char)((b1 << 4) | b2);
		return;
	}

	m_logger->LogDebug("%s: Table lookup '%s'\n", __FUNCTION__, reader.GetRaw());

	// Otherwise it's a lookup based on some big table
	// Thanks, LLVM!
	switch (reader.Peek())
	{
	case '0': ch = ','; reader.Consume(); return;
	case '1': ch = '/'; reader.Consume(); return;
	case '2': ch = '\\'; reader.Consume(); return;
	case '3': ch = ':'; reader.Consume(); return;
	case '4': ch = '.'; reader.Consume(); return;
	case '5': ch = ' '; reader.Consume(); return;
	case '6': ch = '\n'; reader.Consume(); return;
	case '7': ch = '\t'; reader.Consume(); return;
	case '8': ch = '\''; reader.Consume(); return;
	case '9': ch = '-'; reader.Consume(); return;
	case 'a': ch = '\xE1'; reader.Consume(); return;
	case 'b': ch = '\xE2'; reader.Consume(); return;
	case 'c': ch = '\xE3'; reader.Consume(); return;
	case 'd': ch = '\xE4'; reader.Consume(); return;
	case 'e': ch = '\xE5'; reader.Consume(); return;
	case 'f': ch = '\xE6'; reader.Consume(); return;
	case 'g': ch = '\xE7'; reader.Consume(); return;