void datum(ConsVisitor cons, bool set_car)
{
if (Token.BOOL == lookahead ||
Token.NUM == lookahead ||
Token.CHAR == lookahead ||
Token.STRING == lookahead ||
Token.ID == lookahead) {
AtomVisitor atom = set_car ? cons.visit_Atom_car() : cons.visit_Atom_cdr();
//atom.visit();
simple_datum(atom);
//atom.visitEnd();
} else if (Token.OPEN_PAREN == lookahead) {
match(Token.OPEN_PAREN);
list(cons, set_car);
} else if (
Token.QUOTE == lookahead ||
Token.BACKQUOTE == lookahead ||
Token.COMMA == lookahead ||
Token.SPLICE == lookahead) {
ConsVisitor new_cons = set_car ? cons.visit_Cons_car() : cons.visit_Cons_cdr();
new_cons.visit();
abbreviation(new_cons);
new_cons.visitEnd();
} else if (Token.VECTOR == lookahead) {
VectVisitor vec = set_car ? cons.visit_Vect_car() : cons.visit_Vect_cdr();
vec.visit();
vector(vec);
vec.visitEnd();
} else {
// ERROR
throw new SyntaxError(m_attrib.loc, lookahead, Token.BOOL, Token.NUM, Token.CHAR, Token.STRING, Token.ID, Token.OPEN_PAREN, Token.QUOTE, Token.BACKQUOTE, Token.COMMA, Token.SPLICE);
}
}
