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diff --git a/gcc-4.4.3/gcc/ada/a-calend.ads b/gcc-4.4.3/gcc/ada/a-calend.ads deleted file mode 100644 index 428caef2f..000000000 --- a/gcc-4.4.3/gcc/ada/a-calend.ads +++ /dev/null @@ -1,358 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT RUN-TIME COMPONENTS -- --- -- --- A D A . C A L E N D A R -- --- -- --- S p e c -- --- -- --- Copyright (C) 1992-2009, Free Software Foundation, Inc. -- --- -- --- This specification is derived from the Ada Reference Manual for use with -- --- GNAT. The copyright notice above, and the license provisions that follow -- --- apply solely to the contents of the part following the private keyword. -- --- -- --- GNAT is free software; you can redistribute it and/or modify it under -- --- terms of the GNU General Public License as published by the Free Soft- -- --- ware Foundation; either version 3, or (at your option) any later ver- -- --- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- --- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- --- or FITNESS FOR A PARTICULAR PURPOSE. -- --- -- --- As a special exception under Section 7 of GPL version 3, you are granted -- --- additional permissions described in the GCC Runtime Library Exception, -- --- version 3.1, as published by the Free Software Foundation. -- --- -- --- You should have received a copy of the GNU General Public License and -- --- a copy of the GCC Runtime Library Exception along with this program; -- --- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- --- <http://www.gnu.org/licenses/>. -- --- -- --- GNAT was originally developed by the GNAT team at New York University. -- --- Extensive contributions were provided by Ada Core Technologies Inc. -- --- -- ------------------------------------------------------------------------------- - -package Ada.Calendar is - - type Time is private; - - -- Declarations representing limits of allowed local time values. Note that - -- these do NOT constrain the possible stored values of time which may well - -- permit a larger range of times (this is explicitly allowed in Ada 95). - - subtype Year_Number is Integer range 1901 .. 2399; - subtype Month_Number is Integer range 1 .. 12; - subtype Day_Number is Integer range 1 .. 31; - - -- A Day_Duration value of 86_400.0 designates a new day - - subtype Day_Duration is Duration range 0.0 .. 86_400.0; - - function Clock return Time; - -- The returned time value is the number of nanoseconds since the start - -- of Ada time (1901-01-01 00:00:00.0 UTC). If leap seconds are enabled, - -- the result will contain all elapsed leap seconds since the start of - -- Ada time until now. - - function Year (Date : Time) return Year_Number; - function Month (Date : Time) return Month_Number; - function Day (Date : Time) return Day_Number; - function Seconds (Date : Time) return Day_Duration; - - procedure Split - (Date : Time; - Year : out Year_Number; - Month : out Month_Number; - Day : out Day_Number; - Seconds : out Day_Duration); - -- Break down a time value into its date components set in the current - -- time zone. If Split is called on a time value created using Ada 2005 - -- Time_Of in some arbitrary time zone, the input value will always be - -- interpreted as relative to the local time zone. - - function Time_Of - (Year : Year_Number; - Month : Month_Number; - Day : Day_Number; - Seconds : Day_Duration := 0.0) return Time; - -- GNAT Note: Normally when procedure Split is called on a Time value - -- result of a call to function Time_Of, the out parameters of procedure - -- Split are identical to the in parameters of function Time_Of. However, - -- when a non-existent time of day is specified, the values for Seconds - -- may or may not be different. This may happen when Daylight Saving Time - -- (DST) is in effect, on the day when switching to DST, if Seconds - -- specifies a time of day in the hour that does not exist. For example, - -- in New York: - -- - -- Time_Of (Year => 1998, Month => 4, Day => 5, Seconds => 10740.0) - -- - -- will return a Time value T. If Split is called on T, the resulting - -- Seconds may be 14340.0 (3:59:00) instead of 10740.0 (2:59:00 being - -- a time that not exist). - - function "+" (Left : Time; Right : Duration) return Time; - function "+" (Left : Duration; Right : Time) return Time; - function "-" (Left : Time; Right : Duration) return Time; - function "-" (Left : Time; Right : Time) return Duration; - -- The first three functions will raise Time_Error if the resulting time - -- value is less than the start of Ada time in UTC or greater than the - -- end of Ada time in UTC. The last function will raise Time_Error if the - -- resulting difference cannot fit into a duration value. - - function "<" (Left, Right : Time) return Boolean; - function "<=" (Left, Right : Time) return Boolean; - function ">" (Left, Right : Time) return Boolean; - function ">=" (Left, Right : Time) return Boolean; - - Time_Error : exception; - -private - pragma Inline (Clock); - - pragma Inline (Year); - pragma Inline (Month); - pragma Inline (Day); - - pragma Inline ("+"); - pragma Inline ("-"); - - pragma Inline ("<"); - pragma Inline ("<="); - pragma Inline (">"); - pragma Inline (">="); - - -- The units used in this version of Ada.Calendar are nanoseconds. The - -- following constants provide values used in conversions of seconds or - -- days to the underlying units. - - Nano : constant := 1_000_000_000; - Nano_F : constant := 1_000_000_000.0; - Nanos_In_Day : constant := 86_400_000_000_000; - Secs_In_Day : constant := 86_400; - - ---------------------------- - -- Implementation of Time -- - ---------------------------- - - -- Time is represented as a signed 64 bit integer count of nanoseconds - -- since the start of Ada time (1901-01-01 00:00:00.0 UTC). Time values - -- produced by Time_Of are internally normalized to UTC regardless of their - -- local time zone. This representation ensures correct handling of leap - -- seconds as well as performing arithmetic. In Ada 95, Split and Time_Of - -- will treat a time value as being in the local time zone, in Ada 2005, - -- Split and Time_Of will treat a time value as being in the designated - -- time zone by the formal parameter or in UTC by default. The size of the - -- type is large enough to cover the Ada 2005 range of time (1901-01-01 - -- 00:00:00.0 UTC - 2399-12-31-23:59:59.999999999 UTC). - - ------------------ - -- Leap seconds -- - ------------------ - - -- Due to Earth's slowdown, the astronomical time is not as precise as the - -- International Atomic Time. To compensate for this inaccuracy, a single - -- leap second is added after the last day of June or December. The count - -- of seconds during those occurrences becomes: - - -- ... 58, 59, leap second 60, 0, 1, 2 ... - - -- Unlike leap days, leap seconds occur simultaneously around the world. - -- In other words, if a leap second occurs at 23:59:60 UTC, it also occurs - -- on 18:59:60 -5 the same day or 2:59:60 +2 on the next day. - - -- Leap seconds do not follow a formula. The International Earth Rotation - -- and Reference System Service decides when to add one. Leap seconds are - -- included in the representation of time in Ada 95 mode. As a result, - -- the following two time values will differ by two seconds: - - -- 1972-06-30 23:59:59.0 - -- 1972-07-01 00:00:00.0 - - -- When a new leap second is introduced, the following steps must be - -- carried out: - - -- 1) Increment Leap_Seconds_Count in a-calend.adb by one - -- 2) Increment LS_Count in xleaps.adb by one - -- 3) Add the new date to the aggregate of array LS_Dates in - -- xleaps.adb - -- 4) Compile and execute xleaps - -- 5) Replace the values of Leap_Second_Times in a-calend.adb with the - -- aggregate generated by xleaps - - -- The algorithms that build the actual leap second values and discover - -- how many leap seconds have occurred between two dates do not need any - -- modification. - - ------------------------------ - -- Non-leap centennial years -- - ------------------------------ - - -- Over the range of Ada time, centennial years 2100, 2200 and 2300 are - -- non-leap. As a consequence, seven non-leap years occur over the period - -- of year - 4 to year + 4. Internally, routines Split and Time_Of add or - -- subtract a "fake" February 29 to facilitate the arithmetic involved. - - -- The underlying type of Time has been chosen to be a 64 bit signed - -- integer number since it allows for easier processing of sub seconds - -- and arithmetic. - - type Time_Rep is range -2 ** 63 .. +2 ** 63 - 1; - type Time is new Time_Rep; - - Days_In_Month : constant array (Month_Number) of Day_Number := - (31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31); - - Invalid_Time_Zone_Offset : Long_Integer; - pragma Import (C, Invalid_Time_Zone_Offset, "__gnat_invalid_tzoff"); - - function Is_Leap (Year : Year_Number) return Boolean; - -- Determine whether a given year is leap - - -- The following packages provide a target independent interface to the - -- children of Calendar - Arithmetic, Conversions, Delays, Formatting and - -- Time_Zones. - - --------------------------- - -- Arithmetic_Operations -- - --------------------------- - - package Arithmetic_Operations is - - function Add (Date : Time; Days : Long_Integer) return Time; - -- Add a certain number of days to a time value - - procedure Difference - (Left : Time; - Right : Time; - Days : out Long_Integer; - Seconds : out Duration; - Leap_Seconds : out Integer); - -- Calculate the difference between two time values in terms of days, - -- seconds and leap seconds elapsed. The leap seconds are not included - -- in the seconds returned. If Left is greater than Right, the returned - -- values are positive, negative otherwise. - - function Subtract (Date : Time; Days : Long_Integer) return Time; - -- Subtract a certain number of days from a time value - - end Arithmetic_Operations; - - --------------------------- - -- Conversion_Operations -- - --------------------------- - - package Conversion_Operations is - - function To_Ada_Time (Unix_Time : Long_Integer) return Time; - -- Unix to Ada Epoch conversion - - function To_Ada_Time - (tm_year : Integer; - tm_mon : Integer; - tm_day : Integer; - tm_hour : Integer; - tm_min : Integer; - tm_sec : Integer; - tm_isdst : Integer) return Time; - -- Struct tm to Ada Epoch conversion - - function To_Duration - (tv_sec : Long_Integer; - tv_nsec : Long_Integer) return Duration; - -- Struct timespec to Duration conversion - - procedure To_Struct_Timespec - (D : Duration; - tv_sec : out Long_Integer; - tv_nsec : out Long_Integer); - -- Duration to struct timespec conversion - - procedure To_Struct_Tm - (T : Time; - tm_year : out Integer; - tm_mon : out Integer; - tm_day : out Integer; - tm_hour : out Integer; - tm_min : out Integer; - tm_sec : out Integer); - -- Time to struct tm conversion - - function To_Unix_Time (Ada_Time : Time) return Long_Integer; - -- Ada to Unix Epoch conversion - - end Conversion_Operations; - - ---------------------- - -- Delay_Operations -- - ---------------------- - - package Delay_Operations is - - function To_Duration (Date : Time) return Duration; - -- Given a time value in nanoseconds since 1901, convert it into a - -- duration value giving the number of nanoseconds since the Unix Epoch. - - end Delay_Operations; - - --------------------------- - -- Formatting_Operations -- - --------------------------- - - package Formatting_Operations is - - function Day_Of_Week (Date : Time) return Integer; - -- Determine which day of week Date falls on. The returned values are - -- within the range of 0 .. 6 (Monday .. Sunday). - - procedure Split - (Date : Time; - Year : out Year_Number; - Month : out Month_Number; - Day : out Day_Number; - Day_Secs : out Day_Duration; - Hour : out Integer; - Minute : out Integer; - Second : out Integer; - Sub_Sec : out Duration; - Leap_Sec : out Boolean; - Is_Ada_05 : Boolean; - Time_Zone : Long_Integer); - -- Split a time value into its components. Set Is_Ada_05 to use the - -- local time zone (the value in Time_Zone is ignored) when splitting - -- a time value. - - function Time_Of - (Year : Year_Number; - Month : Month_Number; - Day : Day_Number; - Day_Secs : Day_Duration; - Hour : Integer; - Minute : Integer; - Second : Integer; - Sub_Sec : Duration; - Leap_Sec : Boolean := False; - Use_Day_Secs : Boolean := False; - Is_Ada_05 : Boolean := False; - Time_Zone : Long_Integer := 0) return Time; - -- Given all the components of a date, return the corresponding time - -- value. Set Use_Day_Secs to use the value in Day_Secs, otherwise the - -- day duration will be calculated from Hour, Minute, Second and Sub_ - -- Sec. Set Is_Ada_05 to use the local time zone (the value in formal - -- Time_Zone is ignored) when building a time value and to verify the - -- validity of a requested leap second. - - end Formatting_Operations; - - --------------------------- - -- Time_Zones_Operations -- - --------------------------- - - package Time_Zones_Operations is - - function UTC_Time_Offset (Date : Time) return Long_Integer; - -- Return the offset in seconds from UTC - - end Time_Zones_Operations; - -end Ada.Calendar; |