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Diffstat (limited to 'gcc/ada/libgnat/s-diinio.ads')
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1 files changed, 167 insertions, 0 deletions
diff --git a/gcc/ada/libgnat/s-diinio.ads b/gcc/ada/libgnat/s-diinio.ads new file mode 100644 index 00000000000..babcc166b11 --- /dev/null +++ b/gcc/ada/libgnat/s-diinio.ads @@ -0,0 +1,167 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUN-TIME COMPONENTS -- +-- -- +-- S Y S T E M . D I M . I N T E G E R _ I O -- +-- -- +-- S p e c -- +-- -- +-- Copyright (C) 2011-2017, 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 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 package provides output routines for integer dimensioned types. All +-- Put routines are modeled after those in package Ada.Text_IO.Integer_IO +-- with the addition of an extra default parameter. All Put_Dim_Of routines +-- output the dimension of Item in a symbolic manner. + +-- Parameter Symbol may be used in the following manner (all the examples are +-- based on the MKS system of units as defined in package System.Dim.Mks): + +-- type Mks_Type is new Integer +-- with +-- Dimension_System => ( +-- (Unit_Name => Meter, Unit_Symbol => 'm', Dim_Symbol => 'L'), +-- (Unit_Name => Kilogram, Unit_Symbol => "kg", Dim_Symbol => 'M'), +-- (Unit_Name => Second, Unit_Symbol => 's', Dim_Symbol => 'T'), +-- (Unit_Name => Ampere, Unit_Symbol => 'A', Dim_Symbol => 'I'), +-- (Unit_Name => Kelvin, Unit_Symbol => 'K', Dim_Symbol => "Θ"), +-- (Unit_Name => Mole, Unit_Symbol => "mol", Dim_Symbol => 'N'), +-- (Unit_Name => Candela, Unit_Symbol => "cd", Dim_Symbol => 'J')); + +-- Case 1. A value is supplied for Symbol + +-- * Put : The string appears as a suffix of Item + +-- * Put_Dim_Of : The string appears alone + +-- Obj : Mks_Type := 2; +-- Put (Obj, Symbols => "dimensionless"); +-- Put_Dim_Of (Obj, Symbols => "dimensionless"); + +-- The corresponding outputs are: +-- $2 dimensionless +-- $dimensionless + +-- Case 2. No value is supplied for Symbol and Item is dimensionless + +-- * Put : Item appears without a suffix + +-- * Put_Dim_Of : the output is [] + +-- Obj : Mks_Type := 2; +-- Put (Obj); +-- Put_Dim_Of (Obj); + +-- The corresponding outputs are: +-- $2 +-- $[] + +-- Case 3. No value is supplied for Symbol and Item has a dimension + +-- * Put : If the type of Item is a dimensioned subtype whose +-- symbol is not empty, then the symbol appears as a suffix. +-- Otherwise, a new string is created and appears as a +-- suffix of Item. This string results in the successive +-- concatenations between each unit symbol raised by its +-- corresponding dimension power from the dimensions of Item. + +-- * Put_Dim_Of : The output is a new string resulting in the successive +-- concatenations between each dimension symbol raised by its +-- corresponding dimension power from the dimensions of Item. + +-- subtype Length is Mks_Type +-- with +-- Dimension => ('m', +-- Meter => 1, +-- others => 0); + +-- Obj : Length := 2; +-- Put (Obj); +-- Put_Dim_Of (Obj); + +-- The corresponding outputs are: +-- $2 m +-- $[L] + +-- subtype Random is Mks_Type +-- with +-- Dimension => ("", +-- Meter => 3, +-- Candela => 2, +-- others => 0); + +-- Obj : Random := 5; +-- Put (Obj); +-- Put_Dim_Of (Obj); + +-- The corresponding outputs are: +-- $5 m**3.cd**2 +-- $[L**3.J**2] + +with Ada.Text_IO; use Ada.Text_IO; + +generic + type Num_Dim_Integer is range <>; + +package System.Dim.Integer_IO is + + Default_Width : Field := Num_Dim_Integer'Width; + Default_Base : Number_Base := 10; + + procedure Put + (File : File_Type; + Item : Num_Dim_Integer; + Width : Field := Default_Width; + Base : Number_Base := Default_Base; + Symbol : String := ""); + + procedure Put + (Item : Num_Dim_Integer; + Width : Field := Default_Width; + Base : Number_Base := Default_Base; + Symbol : String := ""); + + procedure Put + (To : out String; + Item : Num_Dim_Integer; + Base : Number_Base := Default_Base; + Symbol : String := ""); + + procedure Put_Dim_Of + (File : File_Type; + Item : Num_Dim_Integer; + Symbol : String := ""); + + procedure Put_Dim_Of + (Item : Num_Dim_Integer; + Symbol : String := ""); + + procedure Put_Dim_Of + (To : out String; + Item : Num_Dim_Integer; + Symbol : String := ""); + + pragma Inline (Put); + pragma Inline (Put_Dim_Of); + +end System.Dim.Integer_IO; |