// license:GPL-2.0+ // copyright-holders:Couriersud /* * palloc.h * */ #ifndef PEXCEPTION_H_ #define PEXCEPTION_H_ #include "pstring.h" #include "ptypes.h" #include namespace plib { //============================================================ // terminate //============================================================ /*! Terminate the program * * \note could be enhanced by setting a termination handler */ [[noreturn]] void terminate(const pstring &msg) noexcept; //============================================================ // exception base //============================================================ class pexception : public std::exception { public: explicit pexception(const pstring &text); const pstring &text() { return m_text; } const char* what() const noexcept override { return m_text.c_str(); } private: pstring m_text; }; class file_e : public plib::pexception { public: file_e(const pstring &fmt, const pstring &filename); }; class file_open_e : public file_e { public: explicit file_open_e(const pstring &filename); }; class file_read_e : public file_e { public: explicit file_read_e(const pstring &filename); }; class file_write_e : public file_e { public: explicit file_write_e(const pstring &filename); }; class null_argument_e : public plib::pexception { public: explicit null_argument_e(const pstring &argument); }; class out_of_mem_e : public plib::pexception { public: explicit out_of_mem_e(const pstring &location); }; /* FIXME: currently only a stub for later use. More use could be added by * using “-fnon-call-exceptions" and sigaction to enable c++ exception supported. */ class fpexception_e : public pexception { public: explicit fpexception_e(const pstring &text); }; static constexpr unsigned FP_INEXACT = 0x0001; static constexpr unsigned FP_DIVBYZERO = 0x0002; static constexpr unsigned FP_UNDERFLOW = 0x0004; static constexpr unsigned FP_OVERFLOW = 0x0008; static constexpr unsigned FP_INVALID = 0x00010; static constexpr unsigned FP_ALL = 0x0001f; /* * Catch SIGFPE on linux for debugging purposes. */ class fpsignalenabler { public: explicit fpsignalenabler(unsigned fpexceptions); COPYASSIGNMOVE(fpsignalenabler, delete) ~fpsignalenabler(); /* is the functionality supported ? */ static bool supported(); /* returns last global enable state */ static bool global_enable(bool enable); private: int m_last_enabled; static bool m_enable; }; } // namespace plib #endif /* PEXCEPTION_H_ */