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[lldb][libc++] Adds some C++20 calendar data formatters. (#76983)
This adds a subset of the C++20 calendar data formatters: - day, - month, - year, - month_day, - month_day_last, and - year_month_day. A followup patch will add the missing calendar data formatters: - weekday, - weekday_indexed, - weekday_last, - month_weekday, - month_weekday_last, - year_month, - year_month_day_last - year_month_weekday, and - year_month_weekday_last.
This commit is contained in:
Mark de Wever
GitHub
parent
4ea5c603b4
commit
b5f2db9406
@ -1031,6 +1031,41 @@ static void LoadLibCxxFormatters(lldb::TypeCategoryImplSP cpp_category_sp) {
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"^std::__[[:alnum:]]+::chrono::seconds", eFormatterMatchRegex,
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TypeSummaryImplSP(new StringSummaryFormat(
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eTypeOptionHideChildren | eTypeOptionHideValue, "${var.__rep_} s")));
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// Chrono calendar types
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cpp_category_sp->AddTypeSummary(
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"^std::__[[:alnum:]]+::chrono::day$", eFormatterMatchRegex,
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TypeSummaryImplSP(new StringSummaryFormat(eTypeOptionHideChildren |
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eTypeOptionHideValue,
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"day=${var.__d_%u}")));
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AddCXXSummary(cpp_category_sp,
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lldb_private::formatters::LibcxxChronoMonthSummaryProvider,
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"libc++ std::chrono::month summary provider",
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"^std::__[[:alnum:]]+::chrono::month$",
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eTypeOptionHideChildren | eTypeOptionHideValue, true);
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cpp_category_sp->AddTypeSummary(
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"^std::__[[:alnum:]]+::chrono::year$", eFormatterMatchRegex,
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TypeSummaryImplSP(new StringSummaryFormat(
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eTypeOptionHideChildren | eTypeOptionHideValue, "year=${var.__y_}")));
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cpp_category_sp->AddTypeSummary(
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"^std::__[[:alnum:]]+::chrono::month_day$", eFormatterMatchRegex,
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TypeSummaryImplSP(new StringSummaryFormat(eTypeOptionHideChildren |
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eTypeOptionHideValue,
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"${var.__m_} ${var.__d_}")));
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cpp_category_sp->AddTypeSummary(
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"^std::__[[:alnum:]]+::chrono::month_day_last$", eFormatterMatchRegex,
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TypeSummaryImplSP(new StringSummaryFormat(eTypeOptionHideChildren |
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eTypeOptionHideValue,
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"${var.__m_} day=last")));
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AddCXXSummary(
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cpp_category_sp,
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lldb_private::formatters::LibcxxChronoYearMonthDaySummaryProvider,
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"libc++ std::chrono::year_month_day summary provider",
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"^std::__[[:alnum:]]+::chrono::year_month_day$",
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eTypeOptionHideChildren | eTypeOptionHideValue, true);
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}
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static void LoadLibStdcppFormatters(lldb::TypeCategoryImplSP cpp_category_sp) {
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@ -1084,3 +1084,60 @@ bool lldb_private::formatters::LibcxxWStringViewSummaryProvider(
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return ::LibcxxWStringSummaryProvider(valobj, stream, summary_options,
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dataobj, size);
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}
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bool lldb_private::formatters::LibcxxChronoMonthSummaryProvider(
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ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
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// FIXME: These are the names used in the C++20 ostream operator. Since LLVM
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// uses C++17 it's not possible to use the ostream operator directly.
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static const std::array<std::string_view, 12> months = {
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"January", "February", "March", "April", "May", "June",
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"July", "August", "September", "October", "November", "December"};
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ValueObjectSP ptr_sp = valobj.GetChildMemberWithName("__m_");
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if (!ptr_sp)
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return false;
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const unsigned month = ptr_sp->GetValueAsUnsigned(0);
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if (month >= 1 && month <= 12)
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stream << "month=" << months[month - 1];
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else
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stream.Printf("month=%u", month);
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return true;
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}
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bool lldb_private::formatters::LibcxxChronoYearMonthDaySummaryProvider(
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ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
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ValueObjectSP ptr_sp = valobj.GetChildMemberWithName("__y_");
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if (!ptr_sp)
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return false;
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ptr_sp = ptr_sp->GetChildMemberWithName("__y_");
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if (!ptr_sp)
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return false;
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int year = ptr_sp->GetValueAsSigned(0);
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ptr_sp = valobj.GetChildMemberWithName("__m_");
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if (!ptr_sp)
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return false;
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ptr_sp = ptr_sp->GetChildMemberWithName("__m_");
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if (!ptr_sp)
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return false;
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const unsigned month = ptr_sp->GetValueAsUnsigned(0);
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ptr_sp = valobj.GetChildMemberWithName("__d_");
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if (!ptr_sp)
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return false;
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ptr_sp = ptr_sp->GetChildMemberWithName("__d_");
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if (!ptr_sp)
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return false;
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const unsigned day = ptr_sp->GetValueAsUnsigned(0);
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stream << "date=";
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if (year < 0) {
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stream << '-';
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year = -year;
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}
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stream.Printf("%04d-%02u-%02u", year, month, day);
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return true;
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}
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@ -261,6 +261,14 @@ SyntheticChildrenFrontEnd *
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LibcxxStdRangesRefViewSyntheticFrontEndCreator(CXXSyntheticChildren *,
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lldb::ValueObjectSP);
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bool LibcxxChronoMonthSummaryProvider(
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ValueObject &valobj, Stream &stream,
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const TypeSummaryOptions &options); // libc++ std::chrono::month
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bool LibcxxChronoYearMonthDaySummaryProvider(
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ValueObject &valobj, Stream &stream,
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const TypeSummaryOptions &options); // libc++ std::chrono::year_month_day
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} // namespace formatters
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} // namespace lldb_private
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@ -32,3 +32,70 @@ class LibcxxChronoDataFormatterTestCase(TestBase):
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self.expect("frame variable m", substrs=["m = 4321 months"])
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self.expect("frame variable y", substrs=["y = 321 years"])
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self.expect("frame variable d_0", substrs=["d_0 = day=0"])
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self.expect("frame variable d_1", substrs=["d_1 = day=1"])
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self.expect("frame variable d_31", substrs=["d_31 = day=31"])
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self.expect("frame variable d_255", substrs=["d_255 = day=255"])
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self.expect("frame variable jan", substrs=["jan = month=January"])
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self.expect("frame variable feb", substrs=["feb = month=February"])
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self.expect("frame variable mar", substrs=["mar = month=March"])
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self.expect("frame variable apr", substrs=["apr = month=April"])
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self.expect("frame variable may", substrs=["may = month=May"])
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self.expect("frame variable jun", substrs=["jun = month=June"])
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self.expect("frame variable jul", substrs=["jul = month=July"])
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self.expect("frame variable aug", substrs=["aug = month=August"])
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self.expect("frame variable sep", substrs=["sep = month=September"])
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self.expect("frame variable oct", substrs=["oct = month=October"])
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self.expect("frame variable nov", substrs=["nov = month=November"])
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self.expect("frame variable dec", substrs=["dec = month=December"])
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self.expect("frame variable month_0", substrs=["month_0 = month=0"])
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self.expect("frame variable month_1", substrs=["month_1 = month=January"])
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self.expect("frame variable month_2", substrs=["month_2 = month=February"])
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self.expect("frame variable month_3", substrs=["month_3 = month=March"])
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self.expect("frame variable month_4", substrs=["month_4 = month=April"])
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self.expect("frame variable month_5", substrs=["month_5 = month=May"])
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self.expect("frame variable month_6", substrs=["month_6 = month=June"])
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self.expect("frame variable month_7", substrs=["month_7 = month=July"])
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self.expect("frame variable month_8", substrs=["month_8 = month=August"])
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self.expect("frame variable month_9", substrs=["month_9 = month=September"])
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self.expect("frame variable month_10", substrs=["month_10 = month=October"])
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self.expect("frame variable month_11", substrs=["month_11 = month=November"])
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self.expect("frame variable month_12", substrs=["month_12 = month=December"])
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self.expect("frame variable month_13", substrs=["month_13 = month=13"])
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self.expect("frame variable month_255", substrs=["month_255 = month=255"])
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self.expect("frame variable y_min", substrs=["y_min = year=-32767"])
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self.expect("frame variable y_0", substrs=["y_0 = year=0"])
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self.expect("frame variable y_1970", substrs=["y_1970 = year=1970"])
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self.expect("frame variable y_2038", substrs=["y_2038 = year=2038"])
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self.expect("frame variable y_max", substrs=["y_max = year=32767"])
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self.expect(
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"frame variable md_new_years_eve",
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substrs=["md_new_years_eve = month=December day=31"],
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)
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self.expect(
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"frame variable md_new_year", substrs=["md_new_year = month=January day=1"]
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)
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self.expect(
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"frame variable md_invalid", substrs=["md_invalid = month=255 day=255"]
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)
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self.expect(
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"frame variable mdl_jan", substrs=["mdl_jan = month=January day=last"]
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)
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self.expect(
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"frame variable mdl_new_years_eve",
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substrs=["mdl_new_years_eve = month=December day=last"],
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)
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self.expect("frame variable ymd_bc", substrs=["ymd_bc = date=-0001-03-255"])
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self.expect(
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"frame variable ymd_year_zero", substrs=["ymd_year_zero = date=0000-255-25"]
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)
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self.expect(
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"frame variable ymd_unix_epoch",
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substrs=["ymd_unix_epoch = date=1970-01-01"],
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)
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@ -15,5 +15,59 @@ int main() {
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std::chrono::months m{4321};
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std::chrono::years y{321};
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std::chrono::day d_0{0};
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std::chrono::day d_1{1};
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std::chrono::day d_31{31};
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std::chrono::day d_255{255};
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std::chrono::month jan = std::chrono::January;
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std::chrono::month feb = std::chrono::February;
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std::chrono::month mar = std::chrono::March;
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std::chrono::month apr = std::chrono::April;
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std::chrono::month may = std::chrono::May;
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std::chrono::month jun = std::chrono::June;
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std::chrono::month jul = std::chrono::July;
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std::chrono::month aug = std::chrono::August;
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std::chrono::month sep = std::chrono::September;
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std::chrono::month oct = std::chrono::October;
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std::chrono::month nov = std::chrono::November;
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std::chrono::month dec = std::chrono::December;
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std::chrono::month month_0{0};
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std::chrono::month month_1{1};
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std::chrono::month month_2{2};
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std::chrono::month month_3{3};
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std::chrono::month month_4{4};
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std::chrono::month month_5{5};
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std::chrono::month month_6{6};
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std::chrono::month month_7{7};
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std::chrono::month month_8{8};
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std::chrono::month month_9{9};
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std::chrono::month month_10{10};
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std::chrono::month month_11{11};
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std::chrono::month month_12{12};
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std::chrono::month month_13{13};
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std::chrono::month month_255{255};
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std::chrono::year y_min{std::chrono::year::min()};
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std::chrono::year y_0{0};
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std::chrono::year y_1970{1970};
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std::chrono::year y_2038{2038};
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std::chrono::year y_max{std::chrono::year::max()};
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std::chrono::month_day md_new_years_eve{std::chrono::December / 31};
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std::chrono::month_day md_new_year{std::chrono::January / 1};
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std::chrono::month_day md_invalid{std::chrono::month{255} / 255};
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std::chrono::month_day_last mdl_jan{std::chrono::January};
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std::chrono::month_day_last mdl_new_years_eve{std::chrono::December};
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std::chrono::year_month_day ymd_bc{std::chrono::year{-1}, std::chrono::March,
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std::chrono::day{255}};
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std::chrono::year_month_day ymd_year_zero{
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std::chrono::year{0}, std::chrono::month{255}, std::chrono::day{25}};
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std::chrono::year_month_day ymd_unix_epoch{
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std::chrono::year{1970}, std::chrono::January, std::chrono::day{1}};
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std::cout << "break here\n";
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}
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