GNAT Reference Manual

GNAT Reference Manual

GNAT Reference Manual

GNAT, The GNU Ada 95 Compiler

GNAT Version for GCC 3.3.3

Ada Core Technologies, Inc. Copyright © 1995-2001, Free Software Foundation

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with the Invariant Sections being "GNU Free Documentation License", with the Front-Cover Texts being "GNAT Reference Manual", and with no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".

• About This Guide:
• Implementation Defined Pragmas:
• Implementation Defined Attributes:
• Implementation Advice:
• Implementation Defined Characteristics:
• Intrinsic Subprograms:
• Representation Clauses and Pragmas:
• Standard Library Routines:
• The Implementation of Standard I/O:
• The GNAT Library:
• Interfacing to Other Languages:
• Machine Code Insertions:
• GNAT Implementation of Tasking:
• Code generation for array aggregates:
• Specialized Needs Annexes:
• Compatibility Guide:
• GNU Free Documentation License:
• Index:

  --- The Detailed Node Listing ---

  About This Guide

• What This Reference Manual Contains:
• Related Information:

  The Implementation of Standard I/O

• Standard I/O Packages:
• FORM Strings:
• Direct_IO:
• Sequential_IO:
• Text_IO:
• Wide_Text_IO:
• Stream_IO:
• Shared Files:
• Open Modes:
• Operations on C Streams:
• Interfacing to C Streams:

  The GNAT Library

• Ada.Characters.Latin_9 (a-chlat9.ads):
• Ada.Characters.Wide_Latin_1 (a-cwila1.ads):
• Ada.Characters.Wide_Latin_9 (a-cwila9.ads):
• Ada.Command_Line.Remove (a-colire.ads):
• Ada.Direct_IO.C_Streams (a-diocst.ads):
• Ada.Exceptions.Is_Null_Occurrence (a-einuoc.ads):
• Ada.Sequential_IO.C_Streams (a-siocst.ads):
• Ada.Streams.Stream_IO.C_Streams (a-ssicst.ads):
• Ada.Strings.Unbounded.Text_IO (a-suteio.ads):
• Ada.Strings.Wide_Unbounded.Wide_Text_IO (a-swuwti.ads):
• Ada.Text_IO.C_Streams (a-tiocst.ads):
• Ada.Wide_Text_IO.C_Streams (a-wtcstr.ads):
• GNAT.AWK (g-awk.ads):
• GNAT.Bubble_Sort_A (g-busora.ads):
• GNAT.Bubble_Sort_G (g-busorg.ads):
• GNAT.Calendar (g-calend.ads):
• GNAT.Calendar.Time_IO (g-catiio.ads):
• GNAT.Case_Util (g-casuti.ads):
• GNAT.CGI (g-cgi.ads):
• GNAT.CGI.Cookie (g-cgicoo.ads):
• GNAT.CGI.Debug (g-cgideb.ads):
• GNAT.Command_Line (g-comlin.ads):
• GNAT.CRC32 (g-crc32.ads):
• GNAT.Current_Exception (g-curexc.ads):
• GNAT.Debug_Pools (g-debpoo.ads):
• GNAT.Debug_Utilities (g-debuti.ads):
• GNAT.Directory_Operations (g-dirope.ads):
• GNAT.Dynamic_Tables (g-dyntab.ads):
• GNAT.Exception_Traces (g-exctra.ads):
• GNAT.Expect (g-expect.ads):
• GNAT.Float_Control (g-flocon.ads):
• GNAT.Heap_Sort_A (g-hesora.ads):
• GNAT.Heap_Sort_G (g-hesorg.ads):
• GNAT.HTable (g-htable.ads):
• GNAT.IO (g-io.ads):
• GNAT.IO_Aux (g-io_aux.ads):
• GNAT.Lock_Files (g-locfil.ads):
• GNAT.MD5 (g-md5.ads):
• GNAT.Most_Recent_Exception (g-moreex.ads):
• GNAT.OS_Lib (g-os_lib.ads):
• GNAT.Regexp (g-regexp.ads):
• GNAT.Registry (g-regist.ads):
• GNAT.Regpat (g-regpat.ads):
• GNAT.Sockets (g-socket.ads):
• GNAT.Source_Info (g-souinf.ads):
• GNAT.Spell_Checker (g-speche.ads):
• GNAT.Spitbol.Patterns (g-spipat.ads):
• GNAT.Spitbol (g-spitbo.ads):
• GNAT.Spitbol.Table_Boolean (g-sptabo.ads):
• GNAT.Spitbol.Table_Integer (g-sptain.ads):
• GNAT.Spitbol.Table_VString (g-sptavs.ads):
• GNAT.Table (g-table.ads):
• GNAT.Task_Lock (g-tasloc.ads):
• GNAT.Threads (g-thread.ads):
• GNAT.Traceback (g-traceb.ads):
• GNAT.Traceback.Symbolic (g-trasym.ads):
• Interfaces.C.Extensions (i-cexten.ads):
• Interfaces.C.Streams (i-cstrea.ads):
• Interfaces.CPP (i-cpp.ads):
• Interfaces.Os2lib (i-os2lib.ads):
• Interfaces.Os2lib.Errors (i-os2err.ads):
• Interfaces.Os2lib.Synchronization (i-os2syn.ads):
• Interfaces.Os2lib.Threads (i-os2thr.ads):
• Interfaces.Packed_Decimal (i-pacdec.ads):
• Interfaces.VxWorks (i-vxwork.ads):
• Interfaces.VxWorks.IO (i-vxwoio.ads):
• System.Address_Image (s-addima.ads):
• System.Assertions (s-assert.ads):
• System.Partition_Interface (s-parint.ads):
• System.Task_Info (s-tasinf.ads):
• System.Wch_Cnv (s-wchcnv.ads):
• System.Wch_Con (s-wchcon.ads):

  Text_IO

• Text_IO Stream Pointer Positioning:
• Text_IO Reading and Writing Non-Regular Files:
• Get_Immediate:
• Treating Text_IO Files as Streams:
• Text_IO Extensions:
• Text_IO Facilities for Unbounded Strings:

  Wide_Text_IO

• Wide_Text_IO Stream Pointer Positioning:
• Wide_Text_IO Reading and Writing Non-Regular Files:

  Interfacing to Other Languages

• Interfacing to C:
• Interfacing to C++:
• Interfacing to COBOL:
• Interfacing to Fortran:
• Interfacing to non-GNAT Ada code:

  GNAT Implementation of Tasking

• Mapping Ada Tasks onto the Underlying Kernel Threads:
• Ensuring Compliance with the Real-Time Annex: