diff options
Diffstat (limited to 'gcc-4.8/gcc/ada/a-calend-vms.ads')
| -rw-r--r-- | gcc-4.8/gcc/ada/a-calend-vms.ads | 310 |
1 files changed, 0 insertions, 310 deletions
diff --git a/gcc-4.8/gcc/ada/a-calend-vms.ads b/gcc-4.8/gcc/ada/a-calend-vms.ads deleted file mode 100644 index 744011ae0..000000000 --- a/gcc-4.8/gcc/ada/a-calend-vms.ads +++ /dev/null @@ -1,310 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT RUN-TIME COMPONENTS -- --- -- --- A D A . C A L E N D A R -- --- -- --- S p e c -- --- -- --- Copyright (C) 1992-2012, 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. -- --- -- ------------------------------------------------------------------------------- - --- This is the OpenVMS version - -with System.OS_Primitives; - -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; - - subtype Day_Duration is Duration range 0.0 .. 86_400.0; - -- Note that a value of 86_400.0 is the start of the next day - - 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 (">="); - - -- Although the units are 100 nanoseconds, for the purpose of better - -- readability, this unit will be called "mili". - - Mili : constant := 10_000_000; - Mili_F : constant := 10_000_000.0; - Milis_In_Day : constant := 864_000_000_000; - Secs_In_Day : constant := 86_400; - - -- Time is represented as the number of 100-nanosecond (ns) units from the - -- system base date and time 1858-11-17 0.0 (the Smithsonian base date and - -- time for the astronomic calendar). - - -- The time value stored is typically a UTC value, as provided in standard - -- Unix environments. If this is the case then Split and Time_Of perform - -- required conversions to and from local times. - - -- Notwithstanding this definition, Time is not quite the same as OS_Time. - -- Relative Time is positive, whereas relative OS_Time is negative, - -- but this declaration makes for easier conversion. - - type Time is new System.OS_Primitives.OS_Time; - - Days_In_Month : constant array (Month_Number) of Day_Number := - (31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31); - -- Days in month for non-leap year, leap year case is adjusted in code - - 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 - - ---------------------------------------------------------- - -- Target-Independent Interface to Children of Calendar -- - ---------------------------------------------------------- - - -- The following packages provide a target-independent interface to the - -- children of Calendar - Arithmetic, Conversions, Delays, Formatting and - -- Time_Zones. - - -- NOTE: Delays does not need a target independent interface because - -- VMS already has a target specific file for that package. - - --------------------------- - -- 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; - - --------------------------- - -- 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; - Use_TZ : Boolean; - Is_Historic : Boolean; - Time_Zone : Long_Integer); - pragma Export (Ada, Split, "__gnat_split"); - -- Split a time value into its components. If flag Is_Historic is set, - -- this routine would try to use to the best of the OS's abilities the - -- time zone offset that was or will be in effect on Date. Set Use_TZ - -- 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; - Use_Day_Secs : Boolean; - Use_TZ : Boolean; - Is_Historic : Boolean; - Time_Zone : Long_Integer) return Time; - pragma Export (Ada, Time_Of, "__gnat_time_of"); - -- 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. If flag Is_Historic is set, this routine would try to use to the - -- best of the OS's abilities the time zone offset that was or will be - -- in effect on the input date. Set Use_TZ 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 (in seconds) the difference between the local time zone and - -- UTC time at a specific historic date. - - end Time_Zones_Operations; - -end Ada.Calendar; |