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Introduced ReusableStringStream and removed all uses of std::ostringstream from the main path

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ReusableStringStream holds a std::ostringstream internally, but only exposes the ostream interface.
It caches a pool of ostringstreams in a vector which is currently global, but will be made thread-local.

Altogether this should enable both runtime and compile-time benefits. although more work is needed to realise the compile time opportunities.
This commit is contained in:
Phil Nash
2017-11-07 18:01:10 +00:00
parent 868e125d49
commit 56e1075613
26 changed files with 202 additions and 114 deletions
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5
include/internal/catch_enforce.h
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@@ -8,12 +8,13 @@
#define TWOBLUECUBES_CATCH_ENFORCE_H_INCLUDED
#include "catch_common.h"
#include "catch_stream.h"
#include <sstream>
#include <stdexcept>
#include <iosfwd>
#define CATCH_PREPARE_EXCEPTION( type, msg ) \
type( static_cast<std::ostringstream&&>( std::ostringstream() << msg ).str() )
type( static_cast<std::ostringstream&&>( Catch::ReusableStringStream().get() << msg ).str() )
#define CATCH_INTERNAL_ERROR( msg ) \
throw CATCH_PREPARE_EXCEPTION( std::logic_error, CATCH_INTERNAL_LINEINFO << ": Internal Catch error: " << msg);
#define CATCH_ERROR( msg ) \