Mercurial > hg > CbC > CbC_gcc
comparison gcc/ada/libgnat/a-ztdeio.adb @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
parents | |
children | 84e7813d76e9 |
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68:561a7518be6b | 111:04ced10e8804 |
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1 ------------------------------------------------------------------------------ | |
2 -- -- | |
3 -- GNAT RUN-TIME COMPONENTS -- | |
4 -- -- | |
5 -- A D A . W I D E _ W I D E _ T E X T _ I O . D E C I M A L _ I O -- | |
6 -- -- | |
7 -- B o d y -- | |
8 -- -- | |
9 -- Copyright (C) 1992-2017, Free Software Foundation, Inc. -- | |
10 -- -- | |
11 -- GNAT is free software; you can redistribute it and/or modify it under -- | |
12 -- terms of the GNU General Public License as published by the Free Soft- -- | |
13 -- ware Foundation; either version 3, or (at your option) any later ver- -- | |
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- | |
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- | |
16 -- or FITNESS FOR A PARTICULAR PURPOSE. -- | |
17 -- -- | |
18 -- As a special exception under Section 7 of GPL version 3, you are granted -- | |
19 -- additional permissions described in the GCC Runtime Library Exception, -- | |
20 -- version 3.1, as published by the Free Software Foundation. -- | |
21 -- -- | |
22 -- You should have received a copy of the GNU General Public License and -- | |
23 -- a copy of the GCC Runtime Library Exception along with this program; -- | |
24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- | |
25 -- <http://www.gnu.org/licenses/>. -- | |
26 -- -- | |
27 -- GNAT was originally developed by the GNAT team at New York University. -- | |
28 -- Extensive contributions were provided by Ada Core Technologies Inc. -- | |
29 -- -- | |
30 ------------------------------------------------------------------------------ | |
31 | |
32 with Ada.Wide_Wide_Text_IO.Decimal_Aux; | |
33 | |
34 with System.WCh_Con; use System.WCh_Con; | |
35 with System.WCh_WtS; use System.WCh_WtS; | |
36 | |
37 package body Ada.Wide_Wide_Text_IO.Decimal_IO is | |
38 | |
39 subtype TFT is Ada.Wide_Wide_Text_IO.File_Type; | |
40 -- File type required for calls to routines in Aux | |
41 | |
42 package Aux renames Ada.Wide_Wide_Text_IO.Decimal_Aux; | |
43 | |
44 Scale : constant Integer := Num'Scale; | |
45 | |
46 --------- | |
47 -- Get -- | |
48 --------- | |
49 | |
50 procedure Get | |
51 (File : File_Type; | |
52 Item : out Num; | |
53 Width : Field := 0) | |
54 is | |
55 begin | |
56 if Num'Size > Integer'Size then | |
57 Item := Num'Fixed_Value (Aux.Get_LLD (TFT (File), Width, Scale)); | |
58 else | |
59 Item := Num'Fixed_Value (Aux.Get_Dec (TFT (File), Width, Scale)); | |
60 end if; | |
61 exception | |
62 when Constraint_Error => raise Data_Error; | |
63 end Get; | |
64 | |
65 procedure Get | |
66 (Item : out Num; | |
67 Width : Field := 0) | |
68 is | |
69 begin | |
70 Get (Current_Input, Item, Width); | |
71 end Get; | |
72 | |
73 procedure Get | |
74 (From : Wide_Wide_String; | |
75 Item : out Num; | |
76 Last : out Positive) | |
77 is | |
78 S : constant String := Wide_Wide_String_To_String (From, WCEM_Upper); | |
79 -- String on which we do the actual conversion. Note that the method | |
80 -- used for wide character encoding is irrelevant, since if there is | |
81 -- a character outside the Standard.Character range then the call to | |
82 -- Aux.Gets will raise Data_Error in any case. | |
83 | |
84 begin | |
85 if Num'Size > Integer'Size then | |
86 -- Item := Num'Fixed_Value | |
87 -- should write above, but gets assert error ??? | |
88 Item := Num | |
89 (Aux.Gets_LLD (S, Last'Unrestricted_Access, Scale)); | |
90 else | |
91 -- Item := Num'Fixed_Value | |
92 -- should write above, but gets assert error ??? | |
93 Item := Num | |
94 (Aux.Gets_Dec (S, Last'Unrestricted_Access, Scale)); | |
95 end if; | |
96 | |
97 exception | |
98 when Constraint_Error => raise Data_Error; | |
99 end Get; | |
100 | |
101 --------- | |
102 -- Put -- | |
103 --------- | |
104 | |
105 procedure Put | |
106 (File : File_Type; | |
107 Item : Num; | |
108 Fore : Field := Default_Fore; | |
109 Aft : Field := Default_Aft; | |
110 Exp : Field := Default_Exp) | |
111 is | |
112 begin | |
113 if Num'Size > Integer'Size then | |
114 Aux.Put_LLD | |
115 -- (TFT (File), Long_Long_Integer'Integer_Value (Item), | |
116 -- ??? | |
117 (TFT (File), Long_Long_Integer (Item), | |
118 Fore, Aft, Exp, Scale); | |
119 else | |
120 Aux.Put_Dec | |
121 -- (TFT (File), Integer'Integer_Value (Item), Fore, Aft, Exp, Scale); | |
122 -- ??? | |
123 (TFT (File), Integer (Item), Fore, Aft, Exp, Scale); | |
124 | |
125 end if; | |
126 end Put; | |
127 | |
128 procedure Put | |
129 (Item : Num; | |
130 Fore : Field := Default_Fore; | |
131 Aft : Field := Default_Aft; | |
132 Exp : Field := Default_Exp) | |
133 is | |
134 begin | |
135 Put (Current_Output, Item, Fore, Aft, Exp); | |
136 end Put; | |
137 | |
138 procedure Put | |
139 (To : out Wide_Wide_String; | |
140 Item : Num; | |
141 Aft : Field := Default_Aft; | |
142 Exp : Field := Default_Exp) | |
143 is | |
144 S : String (To'First .. To'Last); | |
145 | |
146 begin | |
147 if Num'Size > Integer'Size then | |
148 -- Aux.Puts_LLD | |
149 -- (S, Long_Long_Integer'Integer_Value (Item), Aft, Exp, Scale); | |
150 -- ??? | |
151 Aux.Puts_LLD | |
152 (S, Long_Long_Integer (Item), Aft, Exp, Scale); | |
153 else | |
154 -- Aux.Puts_Dec (S, Integer'Integer_Value (Item), Aft, Exp, Scale); | |
155 -- ??? | |
156 Aux.Puts_Dec (S, Integer (Item), Aft, Exp, Scale); | |
157 end if; | |
158 | |
159 for J in S'Range loop | |
160 To (J) := Wide_Wide_Character'Val (Character'Pos (S (J))); | |
161 end loop; | |
162 end Put; | |
163 | |
164 end Ada.Wide_Wide_Text_IO.Decimal_IO; |