public Token(TOKENK tokenk, string lexeme, object literal, int line)
{
m_tokenk = tokenk;
m_lexeme = lexeme;
m_literal = literal;
m_line = line;
}
public AstBinaryExpr(AstExpr leftExpr, TOKENK tokenkOp, AstExpr rightExpr)
: base(EXPRK.Binary, leftExpr.m_startLine)
{
m_leftExpr = leftExpr;
m_rightExpr = rightExpr;
m_tokenkOp = tokenkOp;
}
protected Token TryMatch(params TOKENK[] aryTokenkMatch)
{
if (IsAtEnd())
{
return(null);
}
Token token = m_tokens[m_currentIndex];
for (int i = 0; i < aryTokenkMatch.Length; i++)
{
TOKENK tokenkMatch = aryTokenkMatch[i];
if (token.m_tokenk == tokenkMatch)
{
m_currentIndex++; // Consume
return(token);
}
}
return(null);
}
protected void AddToken(TOKENK tokenk, object literal)
{
m_tokens.Add(new Token(tokenk, CurrentLexeme(), literal, m_currentLine));
}
// NOTE (andrews) technically the start line should be the line of the operator.
// That info *is* stored on Token's but we only really need the tokenk here
// So we just use the expression.
public AstUnaryExpr(TOKENK tokenkOp, AstExpr expr)
: base(EXPRK.Unary, expr.m_startLine)
{
m_tokenkOp = tokenkOp;
m_expr = expr;
}
