Method parse

src/cnf.cpp:41–46

parse a pattern into an operator tree using a recursive descent parser

// parse a pattern into an operator tree using a recursive descent parser
void CNF::OpTree::parse(const char *& pattern)
{
  do
    parse1(pattern);
  while (*pattern != '\0');
}

// <parse1> -> <parse2> { <space>+ [ 'AND' <space>+ ] <parse2> }*
void CNF::OpTree::parse1(const char *& pattern)