gadgetlib2::ErrorHandling Class Reference

#include <infrastructure.hpp>

Static Public Member Functions
static void __noreturn	fatalError (const ::std::string &msg)
static void __noreturn	fatalError (const std::stringstream &msg)
static void	printStacktrace ()

Detailed Description

The ErrorHandling class containimplements the functionality of displaying the content of error messages (including content of call stack when error happened), and exiting the program.

Definition at line 77 of file infrastructure.hpp.

Member Function Documentation

fatalError() [1/2]

void gadgetlib2::ErrorHandling::fatalError ( const ::std::string &  msg )

static

Definition at line 73 of file infrastructure.cpp.

{
#ifdef DEBUG
    ::std::cerr << "ERROR:  " << msg << ::std::endl << ::std::endl;
    printStacktrace();
    throw ::std::runtime_error(msg);
#else
    libff::UNUSED(msg);
    const ::std::string releaseMsg(
        "Fatal error encountered. Run debug build for more"
        " information and stack trace.");
    ::std::cerr << "ERROR:  " << releaseMsg << ::std::endl << ::std::endl;
    throw ::std::runtime_error(releaseMsg);
#endif
}

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fatalError() [2/2]

static void __noreturn gadgetlib2::ErrorHandling::fatalError ( const std::stringstream &  msg )

static

printStacktrace()

void gadgetlib2::ErrorHandling::printStacktrace ( )

static

Definition at line 94 of file infrastructure.cpp.

{
#ifdef __GLIBC__
    std::cerr << "Stack trace (pipe through c++filt to demangle identifiers):"
              << std::endl;
    const int maxFrames = 100;
    void *frames[maxFrames];
    // Fill array with pointers to stack frames
    int numFrames = backtrace(frames, maxFrames);
    // Decode frames and print them to stderr
    backtrace_symbols_fd(frames, numFrames, STDERR_FILENO);
#else
    // TODO make this available for non-glibc platforms (e.g. musl libc on Linux
    // and Windows)
    std::cerr << "  (stack trace not available on this platform)" << std::endl;
#endif // __GNUC__
}

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The documentation for this class was generated from the following files:

• /home/runner/work/libsnark/libsnark/libsnark/gadgetlib2/infrastructure.hpp
• /home/runner/work/libsnark/libsnark/libsnark/gadgetlib2/infrastructure.cpp