private bool TryCompileCodePointToken(MessageScriptParser.TokenContext context, out CodePointToken codePointToken)
{
LogContextInfo(context);
codePointToken = new CodePointToken();
if (!TryGetFatal(context, context.IntLiteral, "Expected code point surrogate pair", out var argumentNodes))
{
return(false);
}
if (!TryParseByteIntLiteral(context, "Expected code point high surrogate", () => argumentNodes[0], out var highSurrogate))
{
return(false);
}
if (!TryParseByteIntLiteral(context, "Expected code point low surrogate", () => argumentNodes[1], out var lowSurrogate))
{
return(false);
}
codePointToken = new CodePointToken(highSurrogate, lowSurrogate);
return(true);
}
static void WriteCodePointToken(CodePointToken token)
{
string str = null;
if (Encoding != null)
{
str = Encoding.GetString(new[] { token.HighSurrogate, token.LowSurrogate });
// check if it's a glyph with no equivalent
if (str == "\0")
{
str = null;
}
}
if (str == null)
{
str = $"[{token.HighSurrogate:X2} {token.LowSurrogate:X2}]";
}
Writer.Write(str);
}
private void ProcessCodePoint(CodePointToken token, List <byte> bytes)
{
bytes.Add(token.HighSurrogate);
bytes.Add(token.LowSurrogate);
}
public void Decompile(CodePointToken token)
{
WriteTag($"x 0x{token.HighSurrogate:X2} 0x{token.LowSurrogate:X2}");
}
