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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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7
include/internal/catch_run_context.cpp
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@@ -6,6 +6,7 @@
#include <cassert>
#include <algorithm>
#include <sstream>
namespace Catch {
@@ -13,7 +14,7 @@ namespace Catch {
: m_stream(stream),
m_prevBuf(stream.rdbuf()),
m_targetString(targetString) {
stream.rdbuf(m_oss.rdbuf());
stream.rdbuf(m_oss.get().rdbuf());
}
StreamRedirect::~StreamRedirect() {
@@ -24,8 +25,8 @@ namespace Catch {
StdErrRedirect::StdErrRedirect(std::string & targetString)
:m_cerrBuf(cerr().rdbuf()), m_clogBuf(clog().rdbuf()),
m_targetString(targetString) {
cerr().rdbuf(m_oss.rdbuf());
clog().rdbuf(m_oss.rdbuf());
cerr().rdbuf(m_oss.get().rdbuf());
clog().rdbuf(m_oss.get().rdbuf());
}
StdErrRedirect::~StdErrRedirect() {