build-time: hide boost stacktrace in a .cc file
Saves about 16s of CPU time. Not a lot but not nothing. Feels more like the principle of the thing. Change-Id: I0992d4024317c20d6985a7977d5649edfb9f46bb
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2 changed files with 15 additions and 7 deletions
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@ -1,4 +1,9 @@
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#include "fmt.hh" // IWYU pragma: keep
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// Darwin and FreeBSD stdenv do not define _GNU_SOURCE but do have _Unwind_Backtrace.
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#if __APPLE__ || __FreeBSD__
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#define BOOST_STACKTRACE_GNU_SOURCE_NOT_REQUIRED
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#endif
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#include <boost/stacktrace/stacktrace.hpp>
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template class boost::basic_format<char>;
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@ -11,4 +16,9 @@ template HintFmt::HintFmt(const std::string &, const uint64_t &, const char * co
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HintFmt::HintFmt(const std::string & literal) : HintFmt("%s", Uncolored(literal)) {}
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void printStackTrace()
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{
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std::cerr << boost::stacktrace::stacktrace() << std::endl;
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}
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}
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@ -4,11 +4,6 @@
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#include <iostream>
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#include <string>
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#include <boost/format.hpp>
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// Darwin and FreeBSD stdenv do not define _GNU_SOURCE but do have _Unwind_Backtrace.
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#if __APPLE__ || __FreeBSD__
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#define BOOST_STACKTRACE_GNU_SOURCE_NOT_REQUIRED
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#endif
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#include <boost/stacktrace.hpp>
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#include "ansicolor.hh"
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// Explicit instantiation in fmt.cc
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@ -16,6 +11,9 @@ extern template class boost::basic_format<char>;
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namespace nix {
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/** Prints a C++ stack trace to stderr using boost stacktrace */
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void printStackTrace();
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/**
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* Values wrapped in this struct are printed in magenta.
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*
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@ -176,14 +174,14 @@ public:
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std::cerr << "HintFmt received incorrect number of format args. Original format string: '";
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std::cerr << format << "'; number of arguments: " << sizeof...(args) << "\n";
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// And regardless of the coredump give me a damn stacktrace.
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std::cerr << boost::stacktrace::stacktrace() << std::endl;
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printStackTrace();
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abort();
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}
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} catch (boost::io::format_error & ex) {
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// Same thing, but for anything that happens in the member initializers.
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std::cerr << "HintFmt received incorrect format string. Original format string: '";
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std::cerr << format << "'; number of arguments: " << sizeof...(args) << "\n";
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std::cerr << boost::stacktrace::stacktrace() << std::endl;
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printStackTrace();
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abort();
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}
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