public static TokenNode ParseToken(ParseContext context, IAstNode parent)
{
TokenStream <RToken> tokens = context.Tokens;
TokenNode node = new TokenNode();
node.Parse(context, parent);
return(node);
}
public static TokenNode ParseKeyword(ParseContext context, IAstNode parent)
{
TokenStream <RToken> tokens = context.Tokens;
Debug.Assert(tokens.CurrentToken.TokenType == RTokenType.Keyword);
TokenNode keyword = new TokenNode();
keyword.Parse(context, parent);
return(keyword);
}
public static TokenNode ParseOpenBraceSequence(ParseContext context, IAstNode parent)
{
TokenStream <RToken> tokens = context.Tokens;
if (tokens.CurrentToken.TokenType == RTokenType.OpenBrace)
{
TokenNode openBrace = new TokenNode();
openBrace.Parse(context, parent);
return(openBrace);
}
else
{
context.AddError(new MissingItemParseError(ParseErrorType.OpenBraceExpected, tokens.PreviousToken));
}
return(null);
}