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llvm-mirror/lib/Support/Chrono.cpp
Nico Weber fcf0230e34 IWYU for llvm-config.h in llvm, additions.
See r331124 for how I made a list of files missing the include.
I then ran this Python script:

    for f in open('filelist.txt'):
        f = f.strip()
        fl = open(f).readlines()

        found = False
        for i in xrange(len(fl)):
            p = '#include "llvm/'
            if not fl[i].startswith(p):
                continue
            if fl[i][len(p):] > 'Config':
                fl.insert(i, '#include "llvm/Config/llvm-config.h"\n')
                found = True
                break
        if not found:
            print 'not found', f
        else:
            open(f, 'w').write(''.join(fl))

and then looked through everything with `svn diff | diffstat -l | xargs -n 1000 gvim -p`
and tried to fix include ordering and whatnot.

No intended behavior change.

llvm-svn: 331184
2018-04-30 14:59:11 +00:00

95 lines
3.1 KiB
C++

//===- Support/Chrono.cpp - Utilities for Timing Manipulation ---*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/Chrono.h"
#include "llvm/Config/llvm-config.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/raw_ostream.h"
namespace llvm {
using namespace sys;
const char llvm::detail::unit<std::ratio<3600>>::value[] = "h";
const char llvm::detail::unit<std::ratio<60>>::value[] = "m";
const char llvm::detail::unit<std::ratio<1>>::value[] = "s";
const char llvm::detail::unit<std::milli>::value[] = "ms";
const char llvm::detail::unit<std::micro>::value[] = "us";
const char llvm::detail::unit<std::nano>::value[] = "ns";
static inline struct tm getStructTM(TimePoint<> TP) {
struct tm Storage;
std::time_t OurTime = toTimeT(TP);
#if defined(LLVM_ON_UNIX)
struct tm *LT = ::localtime_r(&OurTime, &Storage);
assert(LT);
(void)LT;
#endif
#if defined(_WIN32)
int Error = ::localtime_s(&Storage, &OurTime);
assert(!Error);
(void)Error;
#endif
return Storage;
}
raw_ostream &operator<<(raw_ostream &OS, TimePoint<> TP) {
struct tm LT = getStructTM(TP);
char Buffer[sizeof("YYYY-MM-DD HH:MM:SS")];
strftime(Buffer, sizeof(Buffer), "%Y-%m-%d %H:%M:%S", &LT);
return OS << Buffer << '.'
<< format("%.9lu",
long((TP.time_since_epoch() % std::chrono::seconds(1))
.count()));
}
void format_provider<TimePoint<>>::format(const TimePoint<> &T, raw_ostream &OS,
StringRef Style) {
using namespace std::chrono;
TimePoint<seconds> Truncated = time_point_cast<seconds>(T);
auto Fractional = T - Truncated;
struct tm LT = getStructTM(Truncated);
// Handle extensions first. strftime mangles unknown %x on some platforms.
if (Style.empty()) Style = "%Y-%m-%d %H:%M:%S.%N";
std::string Format;
raw_string_ostream FStream(Format);
for (unsigned I = 0; I < Style.size(); ++I) {
if (Style[I] == '%' && Style.size() > I + 1) switch (Style[I + 1]) {
case 'L': // Milliseconds, from Ruby.
FStream << llvm::format(
"%.3lu", (long)duration_cast<milliseconds>(Fractional).count());
++I;
continue;
case 'f': // Microseconds, from Python.
FStream << llvm::format(
"%.6lu", (long)duration_cast<microseconds>(Fractional).count());
++I;
continue;
case 'N': // Nanoseconds, from date(1).
FStream << llvm::format(
"%.6lu", (long)duration_cast<nanoseconds>(Fractional).count());
++I;
continue;
case '%': // Consume %%, so %%f parses as (%%)f not %(%f)
FStream << "%%";
++I;
continue;
}
FStream << Style[I];
}
FStream.flush();
char Buffer[256]; // Should be enough for anywhen.
size_t Len = strftime(Buffer, sizeof(Buffer), Format.c_str(), &LT);
OS << (Len ? Buffer : "BAD-DATE-FORMAT");
}
} // namespace llvm