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// file : openssl/diagnostics.hxx -*- C++ -*-
// license : MIT; see accompanying LICENSE file
#ifndef OPENSSL_DIAGNOSTICS_HXX
#define OPENSSL_DIAGNOSTICS_HXX
#include <libbutl/diagnostics.hxx>
#include <openssl/types.hxx> // Note: not <openssl/utility.hxx>.
namespace openssl
{
using butl::diag_record;
// Throw this exception to terminate the process. The handler should
// assume that the diagnostics has already been issued.
//
class failed: public std::exception {};
// Diagnostic facility, base infrastructure.
//
using butl::diag_stream;
using butl::diag_epilogue;
// Diagnostic facility, project specifics.
//
struct simple_prologue_base
{
explicit
simple_prologue_base (const char* type, const char* name, const char* data)
: type_ (type), name_ (name), data_ (data) {}
void
operator() (const diag_record& r) const;
private:
const char* type_;
const char* name_;
const char* data_;
};
struct basic_mark_base
{
using simple_prologue = butl::diag_prologue<simple_prologue_base>;
// If data if not NULL, then we print it as (data) after name. For
// example:
//
// error: main(foo): bar
//
explicit
basic_mark_base (const char* type,
const char* name = nullptr,
const char* data = nullptr,
diag_epilogue* epilogue = nullptr)
: type_ (type), name_ (name), data_ (data), epilogue_ (epilogue) {}
simple_prologue
operator() () const
{
return simple_prologue (epilogue_, type_, name_, data_);
}
public:
const char* type_;
const char* name_;
const char* data_;
diag_epilogue* const epilogue_;
};
using basic_mark = butl::diag_mark<basic_mark_base>;
extern basic_mark error;
extern basic_mark warn;
extern basic_mark info;
extern basic_mark text;
// fail
//
struct fail_mark_base: basic_mark_base
{
explicit
fail_mark_base (const char* type, const char* data = nullptr)
: basic_mark_base (type,
nullptr,
data,
[](const diag_record& r)
{
r.flush ();
throw failed ();
}) {}
};
using fail_mark = butl::diag_mark<fail_mark_base>;
struct fail_end_base
{
[[noreturn]] void
operator() (const diag_record& r) const
{
// If we just throw then the record's destructor will see an active
// exception and will not flush the record.
//
r.flush ();
throw failed ();
}
};
using fail_end = butl::diag_noreturn_end<fail_end_base>;
extern fail_mark fail;
extern const fail_end endf;
}
#endif // OPENSSL_DIAGNOSTICS_HXX
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