From d5a8c51d4010285be02f3252520300a737799872 Mon Sep 17 00:00:00 2001 From: Boris Kolpackov Date: Fri, 10 Apr 2015 16:29:15 +0200 Subject: Add diagnostics support --- brep/diagnostics.cxx | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 brep/diagnostics.cxx (limited to 'brep/diagnostics.cxx') diff --git a/brep/diagnostics.cxx b/brep/diagnostics.cxx new file mode 100644 index 0000000..5ab34b6 --- /dev/null +++ b/brep/diagnostics.cxx @@ -0,0 +1,33 @@ +// file : brep/diagnostics.cxx -*- C++ -*- +// copyright : Copyright (c) 2014-2015 Code Synthesis Tools CC +// license : MIT; see accompanying LICENSE file + +#include + +#include +#include + +using namespace std; + +namespace build +{ + diag_record:: + ~diag_record () noexcept(false) + { + // Don't flush the record if this destructor was called as part of + // the stack unwinding. Right now this means we cannot use this + // mechanism in destructors, which is not a big deal, except for + // one place: exception_guard. So for now we are going to have + // this ugly special check which we will be able to get rid of + // once C++17 uncaught_exceptions() becomes available. + // + if (!data_.empty () && + (!std::uncaught_exception () /*|| exception_unwinding_dtor*/)) + { + data_.back ().msg = os_.str (); // Save last message. + + assert (epilogue_ != nullptr); + (*epilogue_) (move (data_)); // Can throw. + } + } +} -- cgit v1.1