Mercurial > jwe > qt-gui-with-push-parser
view parser.h @ 12:894be158b32d
define parser as a class and eliminate some global variables
author | John W. Eaton <jwe@octave.org> |
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date | Thu, 23 May 2019 17:57:20 -0400 |
parents | 0e154787183d |
children | d179b0bb85e4 |
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#if ! defined (calc_parse_h) #define calc_parse_h 1 namespace calc { class interpreter; class parser { public: parser (interpreter&); parser (const parser&) = delete; parser& operator = (const parser&) = delete; ~parser (void); bool beg_of_stmt (void) const { return m_beg_of_stmt; } void beg_of_stmt (bool flag) { m_beg_of_stmt = flag; } int parse_and_execute (const std::string& line); void emit_error (const char *msg) const; void emit_result (double value) const; private: interpreter& m_interpreter; void *m_parser_state; bool m_beg_of_stmt; }; } #endif