// license:GPL-2.0+ // copyright-holders:Couriersud /* * palloc.h * */ #ifndef PEXCEPTION_H_ #define PEXCEPTION_H_ #include #include "pconfig.h" #include "pstring.h" namespace plib { //============================================================ // exception base //============================================================ class pexception : public std::exception { public: pexception(const pstring text); pexception(const pexception &e) : std::exception(e) { m_text = e.m_text; } virtual ~pexception() noexcept {} const pstring &text() { return m_text; } private: pstring m_text; }; class file_e : public plib::pexception { public: explicit 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 : public pexception { public: fpexception(const pstring &text); }; static const unsigned FP_INEXACT = 0x0001; static const unsigned FP_DIVBYZERO = 0x0002; static const unsigned FP_UNDERFLOW = 0x0004; static const unsigned FP_OVERFLOW = 0x0008; static const unsigned FP_INVALID = 0x00010; static const unsigned FP_ALL = 0x0001f; /* * Catch SIGFPE on linux for debugging purposes. */ class fpsignalenabler { public: fpsignalenabler(unsigned fpexceptions); ~fpsignalenabler(); /* is the functionality supported ? */ static bool supported(); /* returns last global enable state */ static bool global_enable(bool enable); private: unsigned m_last_enabled; static bool m_enable; }; } #endif /* PEXCEPTION_H_ */