X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/4d02714ee138a3bd9b02e0064b7a2aa26407e9e8..39c935d6d5ee86d153f6f7e6a10d723ae7c57f6f:/include/simgrid/Exception.hpp diff --git a/include/simgrid/Exception.hpp b/include/simgrid/Exception.hpp index 0f3a5e3a6d..99834e3317 100644 --- a/include/simgrid/Exception.hpp +++ b/include/simgrid/Exception.hpp @@ -1,4 +1,4 @@ -/* Copyright (c) 2018-2019. The SimGrid Team. All rights reserved. */ +/* Copyright (c) 2018-2021. The SimGrid Team. All rights reserved. */ /* This program is free software; you can redistribute it and/or modify it * under the terms of the license (GNU LGPL) which comes with this package. */ @@ -13,6 +13,7 @@ #include #include +#include #include #include @@ -56,113 +57,111 @@ public: /** Create a ThrowPoint with (__FILE__, __LINE__, __func__) */ #define XBT_THROW_POINT \ ::simgrid::xbt::ThrowPoint(__FILE__, __LINE__, __func__, simgrid::xbt::Backtrace(), xbt_procname(), xbt_getpid()) + +class XBT_PUBLIC ImpossibleError : public std::logic_error { +public: + using std::logic_error::logic_error; + ~ImpossibleError() override; +}; + +class XBT_PUBLIC InitializationError : public std::logic_error { +public: + using std::logic_error::logic_error; + ~InitializationError() override; +}; + +class XBT_PUBLIC UnimplementedError : public std::logic_error { +public: + using std::logic_error::logic_error; + ~UnimplementedError() override; +}; + } // namespace xbt /** Ancestor class of all SimGrid exception */ class Exception : public std::runtime_error { public: - Exception(simgrid::xbt::ThrowPoint&& throwpoint, std::string&& message) - : std::runtime_error(std::move(message)), throwpoint_(std::move(throwpoint)) + Exception(const simgrid::xbt::ThrowPoint& throwpoint, const std::string& message) + : std::runtime_error(message), throwpoint_(throwpoint) { } + Exception(const Exception&) = default; + Exception(Exception&&) noexcept = default; + ~Exception() override; // DO NOT define it here -- see Exception.cpp for a rationale /** Return the information about where the exception was thrown */ xbt::ThrowPoint const& throw_point() const { return throwpoint_; } - std::string const resolve_backtrace() const { return throwpoint_.backtrace_.resolve(); } + std::string resolve_backtrace() const { return throwpoint_.backtrace_.resolve(); } + + /** Allow to carry a value (used by waitall/waitany) */ + int value = 0; private: xbt::ThrowPoint throwpoint_; }; -} // namespace simgrid - -/** A legacy exception - * - * It is defined by a category and a value within that category (as well as - * an optional error message). - * - * This used to be a structure for C exceptions but it has been retrofitted - * as a C++ exception and some of its data has been moved in the - * @ref WithContextException base class. We should deprecate it and replace it - * with either C++ different exceptions or `std::system_error` which already - * provides this (category + error code) logic. - * - * @ingroup XBT_ex_c - */ -class XBT_PUBLIC xbt_ex : public simgrid::Exception { +/** Exception raised when a timeout elapsed */ +class TimeoutException : public Exception { public: - /** - * - * @param throwpoint Throw point (use XBT_THROW_POINT) - * @param message Exception message - */ - xbt_ex(simgrid::xbt::ThrowPoint&& throwpoint, std::string&& message) - : simgrid::Exception(std::move(throwpoint), std::move(message)) - { - } - - xbt_ex(const xbt_ex&) = default; - - ~xbt_ex(); // DO NOT define it here -- see ex.cpp for a rationale + using Exception::Exception; + ~TimeoutException() override; +}; - /** Category (what went wrong) */ - xbt_errcat_t category = unknown_error; +using TimeoutError XBT_ATTRIB_DEPRECATED_v328("Please use simgrid::TimeoutException") = TimeoutException; - /** Why did it went wrong */ - int value = 0; +/** Exception raised when a host fails */ +class HostFailureException : public Exception { +public: + using Exception::Exception; + ~HostFailureException() override; }; -namespace simgrid { +/** Exception raised when a communication fails because of the network or because of the remote host */ +class NetworkFailureException : public Exception { +public: + using Exception::Exception; + ~NetworkFailureException() override; +}; -/** Exception raised when a timeout elapsed */ -class TimeoutError : public xbt_ex { +/** Exception raised when a storage fails */ +class StorageFailureException : public Exception { public: - TimeoutError(simgrid::xbt::ThrowPoint&& throwpoint, std::string&& message) - : xbt_ex(std::move(throwpoint), std::move(message)) - { - category = timeout_error; - } + using Exception::Exception; + ~StorageFailureException() override; }; -/** Exception raised when a host fails */ -class HostFailureException : public xbt_ex { +/** Exception raised when a VM fails */ +class VmFailureException : public Exception { public: - HostFailureException(simgrid::xbt::ThrowPoint&& throwpoint, std::string&& message) - : xbt_ex(std::move(throwpoint), std::move(message)) - { - category = host_error; - } + using Exception::Exception; + ~VmFailureException() override; }; -/** Exception raised when a communication fails because of the network or because of the remote host */ -class NetworkFailureException : public xbt_ex { +/** Exception raised when something got canceled before completion */ +class CancelException : public Exception { public: - NetworkFailureException(simgrid::xbt::ThrowPoint&& throwpoint, std::string&& message) - : xbt_ex(std::move(throwpoint), std::move(message)) - { - category = network_error; - } + using Exception::Exception; + ~CancelException() override; }; -/** Exception raised when a storage fails */ -class StorageFailureException : public xbt_ex { +/** Exception raised when something is going wrong during the simulation tracing */ +class TracingError : public Exception { public: - StorageFailureException(simgrid::xbt::ThrowPoint&& throwpoint, std::string&& message) - : xbt_ex(std::move(throwpoint), std::move(message)) - { - category = io_error; - } + using Exception::Exception; + ~TracingError() override; }; -/** Exception raised when something got canceled before completion */ -class CancelException : public xbt_ex { +/** Exception raised when something is going wrong during the parsing of XML files */ +class ParseError : public Exception { public: - CancelException(simgrid::xbt::ThrowPoint&& throwpoint, std::string&& message) - : xbt_ex(std::move(throwpoint), std::move(message)) + ParseError(const std::string& file, int line, const std::string& msg) + : Exception(XBT_THROW_POINT, xbt::string_printf("Parse error at %s:%d: %s", file.c_str(), line, msg.c_str())) { - category = cancel_error; } + ParseError(const ParseError&) = default; + ParseError(ParseError&&) noexcept = default; + ~ParseError() override; }; class XBT_PUBLIC ForcefulKillException { @@ -181,7 +180,7 @@ class XBT_PUBLIC ForcefulKillException { * simgrid::s4u::this_actor::execute(100000); * } catch (simgrid::kernel::context::ForcefulKillException& e) { // oops, my host just turned off * free(malloc); - * throw; // I shall never survive on an host that was switched off + * throw; // I shall never survive on a host that was switched off * } * @endverbatim */ @@ -196,8 +195,8 @@ public: ~ForcefulKillException(); const char* what() const noexcept { return msg_.c_str(); } - static void do_throw(); - static bool try_n_catch(std::function try_block); + XBT_ATTRIB_NORETURN static void do_throw(); + static bool try_n_catch(const std::function& try_block); private: std::string msg_ = std::string("Actor killed."); @@ -205,4 +204,6 @@ private: } // namespace simgrid +using xbt_ex XBT_ATTRIB_DEPRECATED_v328("Please use simgrid::Exception") = simgrid::Exception; + #endif