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Update examples to use boost::core::verbose_terminate_handler

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This commit is contained in:
Peter Dimov
2022-02-15 20:26:40 +02:00
parent cffa8cd68c
commit 3c67fc2b54
1 changed files with 8 additions and 79 deletions
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87
doc/examples.adoc
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@ -119,11 +119,8 @@ a source location is not supplied, the location of the call to
```
#include <boost/throw_exception.hpp>
#include <boost/core/demangle.hpp>
#include <boost/core/verbose_terminate_handler.hpp>
#include <stdexcept>
#include <cstdio>
void my_terminate_handler();
int f1( int x )
{
@ -138,52 +135,20 @@ int f1( int x )
int main()
{
std::set_terminate( my_terminate_handler );
std::set_terminate( boost::core::verbose_terminate_handler );
return f1( -4 );
}
void my_terminate_handler()
{
std::set_terminate( 0 );
try
{
throw;
}
catch( std::exception const& x )
{
boost::source_location loc = boost::get_throw_location( x );
std::string type = boost::core::demangle( typeid( x ).name() );
fprintf( stderr,
"std::terminate called after throwing an exception:\n"
" type: %s\n"
" what(): %s\n"
" location: %s:%u:%u in function '%s'\n",
type.c_str(),
x.what(),
loc.file_name(), (unsigned)loc.line(),
(unsigned)loc.column(), loc.function_name()
);
}
catch( ... )
{
fputs( "std::terminate called after throwing an unknown exception", stderr );
}
std::abort();
}
```
Sample output:
```none
std::terminate called after throwing an exception:
type: boost::detail::with_throw_location<std::invalid_argument>
what(): f1: x cannot be negative
location: <source>:12:9 in function 'f1'
location: <source>:9:9 in function 'f1'
```
## Using boost::throw_with_location with an explicit source location
@ -201,11 +166,8 @@ that threw.
```
#include <boost/throw_exception.hpp>
#include <boost/core/demangle.hpp>
#include <boost/core/verbose_terminate_handler.hpp>
#include <stdexcept>
#include <cstdio>
void my_terminate_handler();
BOOST_NORETURN BOOST_NOINLINE
void throw_invalid_argument( char const * msg,
@ -238,51 +200,18 @@ int f2( int x,
int main()
{
std::set_terminate( my_terminate_handler );
std::set_terminate( boost::core::verbose_terminate_handler );
return f1( 3 ) + f2( -11 );
}
void my_terminate_handler()
{
std::set_terminate( 0 );
try
{
throw;
}
catch( std::exception const& x )
{
boost::source_location loc = boost::get_throw_location( x );
std::string type = boost::core::demangle( typeid( x ).name() );
fprintf( stderr,
"std::terminate called after throwing an exception:\n"
" type: %s\n"
" what(): %s\n"
" location: %s:%u:%u in function '%s'\n",
type.c_str(),
x.what(),
loc.file_name(), (unsigned)loc.line(),
(unsigned)loc.column(), loc.function_name()
);
}
catch( ... )
{
fputs( "std::terminate called after throwing an unknown exception",
stderr );
}
std::abort();
}
```
Sample output:
```none
std::terminate called after throwing an exception:
type: boost::detail::with_throw_location<std::invalid_argument>
what(): f2: x cannot be negative
location: <source>:41:22 in function 'main'
location: <source>:38:22 in function 'main'
```