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Diffstat (limited to 'gcc/ada/osint-b.ads')
| -rw-r--r-- | gcc/ada/osint-b.ads | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/gcc/ada/osint-b.ads b/gcc/ada/osint-b.ads new file mode 100644 index 00000000000..580974ce60e --- /dev/null +++ b/gcc/ada/osint-b.ads @@ -0,0 +1,102 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT COMPILER COMPONENTS -- +-- -- +-- O S I N T - B -- +-- -- +-- S p e c -- +-- -- +-- $Revision$ +-- -- +-- Copyright (C) 2001 Free Software Foundation, Inc. -- +-- -- +-- 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 2, 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. See the GNU General Public License -- +-- for more details. You should have received a copy of the GNU General -- +-- Public License distributed with GNAT; see file COPYING. If not, write -- +-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, -- +-- MA 02111-1307, USA. -- +-- -- +-- GNAT was originally developed by the GNAT team at New York University. -- +-- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). -- +-- -- +------------------------------------------------------------------------------ + +-- This package contains the low level, operating system routines used only +-- in the GNAT binder for command line processing and file input output. + +package Osint.B is + + procedure Record_Time_From_Last_Bind; + -- Trigger the computing of the time from the last bind of the same + -- program. + + function More_Lib_Files return Boolean; + -- Indicates whether more library information files remain to be processed. + -- Returns False right away if no source files, or if all source files + -- have been processed. + + function Next_Main_Lib_File return File_Name_Type; + -- This function returns the name of the next library info file specified + -- on the command line. It is an error to call Next_Main_Lib_File if no + -- more library information files exist (i.e. Next_Main_Lib_File may be + -- called only if a previous call to More_Lib_Files returned True). This + -- name is the simple name, excluding any directory information. + + function Time_From_Last_Bind return Nat; + -- This function give an approximate number of minute from the last bind. + -- It bases its computation on file stamp and therefore does gibe not + -- any meaningful result before the new output binder file is written. + -- So it returns Nat'last if: + -- + -- - it is the first bind of this specific program + -- - Record_Time_From_Last_Bind was not Called first + -- - Close_Binder_Output was not called first + -- + -- otherwise it returns the number of minutes from the last bind. The + -- computation does not try to be completely accurate and in particular + -- does not take leap years into account. + + ------------------- + -- Binder Output -- + ------------------- + + -- These routines are used by the binder to generate the C source file + -- containing the binder output. The format of this file is described + -- in the package Bindfmt. + + procedure Create_Binder_Output + (Output_File_Name : String; + Typ : Character; + Bfile : out Name_Id); + -- Creates the binder output file. Typ is one of + -- + -- 'c' create output file for case of generating C + -- 'b' create body file for case of generating Ada + -- 's' create spec file for case of generating Ada + -- + -- If Output_File_Name is null, then a default name is used based on + -- the name of the most recently accessed main source file name. If + -- Output_File_Name is non-null then it is the full path name of the + -- file to be output (in the case of Ada, it must have an extension + -- of adb, and the spec file is created by changing the last character + -- from b to s. On return, Bfile also contains the Name_Id for the + -- generated file name. + + procedure Write_Binder_Info (Info : String); + -- Writes the contents of the referenced string to the binder output file + -- created by a previous call to Create_Binder_Output. Info represents a + -- single line in the file, but does not contain any line termination + -- characters. The implementation of Write_Binder_Info is responsible + -- for adding necessary end of line and end of file control characters + -- as required by the operating system. + + procedure Close_Binder_Output; + -- Closes the file created by Create_Binder_Output, flushing any + -- buffers etc from writes by Write_Binder_Info. + +end Osint.B; |