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c++ Programming Glossary: op_notHow to calculate boolean expression in Spirit http://stackoverflow.com/questions/12598029/how-to-calculate-boolean-expression-in-spirit recurse b.oper1 recurse b.oper2 bool operator const unop op_not u const return recurse u.oper1 private template typename T.. phx boost phoenix struct op_or struct op_and struct op_not typedef std string var template typename tag struct binop template.. typedef boost variant var boost recursive_wrapper unop op_not boost recursive_wrapper binop op_and boost recursive_wrapper..
Boolean expression (grammar) parser in c++ http://stackoverflow.com/questions/8706356/boolean-expression-grammar-parser-in-c op_or tag struct op_and tag struct op_xor tag struct op_not tag typedef std string var template typename tag struct binop.. typedef boost variant var boost recursive_wrapper unop op_not boost recursive_wrapper binop op_and boost recursive_wrapper.. _1 _2 not_ _val _1 not_ not simple _val phx construct unop op_not _1 simple _val _1 simple ' ' expr_ ' ' var_ var_ qi lexeme alpha..
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