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[yul-phaser] main: Dealing with uncaught exceptions

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This commit is contained in:
Kamil Śliwak 2020-02-28 03:30:19 +01:00
parent c7051e1386
commit 4e90c598b3
1 changed files with 46 additions and 0 deletions
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46
tools/yulPhaser/main.cpp
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@ -18,6 +18,8 @@
#include <tools/yulPhaser/Exceptions.h> #include <tools/yulPhaser/Exceptions.h>
#include <tools/yulPhaser/Phaser.h> #include <tools/yulPhaser/Phaser.h>
#include <libsolutil/Exceptions.h>
#include <iostream> #include <iostream>
int main(int argc, char** argv) int main(int argc, char** argv)
@ -28,7 +30,51 @@ int main(int argc, char** argv)
} }
catch (solidity::phaser::InvalidProgram const& exception) catch (solidity::phaser::InvalidProgram const& exception)
{ {
// Error in the input data. One of the provided programs contains errors and could not be loaded.
// Handle it and exit.
std::cerr << std::endl;
std::cerr << "ERROR: " << exception.what() << std::endl; std::cerr << "ERROR: " << exception.what() << std::endl;
return 1; return 1;
} }
catch (solidity::util::Exception const& exception)
{
// Something's seriously wrong. Probably a bug in the program or a missing handler (which
// is really also a bug). The exception should have been handled gracefully by this point
// if it's something that can happen in normal usage. E.g. an error in the input or a
// failure of some part of the system that's outside of control of the application (disk,
// network, etc.). The bug should be reported and investigated so our job here is just to
// provide as much useful information about it as possible.
std::cerr << std::endl;
std::cerr << "UNCAUGHT EXCEPTION!" << std::endl;
// We can print some useful diagnostic info for this particular exception type.
std::cerr << "Location: " << exception.lineInfo() << std::endl;
char const* const* function = boost::get_error_info<boost::throw_function>(exception);
if (function != nullptr)
std::cerr << "Function: " << *function << std::endl;
// Let it crash. The terminate() will print some more stuff useful for debugging like
// what() and the actual exception type.
throw;
}
catch (std::exception const&)
{
// Again, probably a bug but this time it's just plain std::exception so there's no point
// in doing anything special. terminate() will do an adequate job.
std::cerr << std::endl;
std::cerr << "UNCAUGHT EXCEPTION!" << std::endl;
throw;
}
catch (...)
{
// Some people don't believe these exist.
// I have no idea what this is and it's flying towards me so technically speaking it's an
// unidentified flying object.
std::cerr << std::endl;
std::cerr << "UFO SPOTTED!" << std::endl;
throw;
}
} }