Mercurial > hg > CbC > CbC_gcc
comparison gcc/ada/libgnat/a-colire.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 . C O M M A N D _ L I N E . R E M O V E -- | |
6 -- -- | |
7 -- B o d y -- | |
8 -- -- | |
9 -- Copyright (C) 1999-2017, 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 package body Ada.Command_Line.Remove is | |
33 | |
34 ----------------------- | |
35 -- Local Subprograms -- | |
36 ----------------------- | |
37 | |
38 procedure Initialize; | |
39 -- Initialize the Remove_Count and Remove_Args variables | |
40 | |
41 ---------------- | |
42 -- Initialize -- | |
43 ---------------- | |
44 | |
45 procedure Initialize is | |
46 begin | |
47 if Remove_Args = null then | |
48 Remove_Count := Argument_Count; | |
49 Remove_Args := new Arg_Nums (1 .. Argument_Count); | |
50 | |
51 for J in Remove_Args'Range loop | |
52 Remove_Args (J) := J; | |
53 end loop; | |
54 end if; | |
55 end Initialize; | |
56 | |
57 --------------------- | |
58 -- Remove_Argument -- | |
59 --------------------- | |
60 | |
61 procedure Remove_Argument (Number : Positive) is | |
62 begin | |
63 Initialize; | |
64 | |
65 if Number > Remove_Count then | |
66 raise Constraint_Error; | |
67 end if; | |
68 | |
69 Remove_Count := Remove_Count - 1; | |
70 | |
71 for J in Number .. Remove_Count loop | |
72 Remove_Args (J) := Remove_Args (J + 1); | |
73 end loop; | |
74 end Remove_Argument; | |
75 | |
76 procedure Remove_Argument (Argument : String) is | |
77 begin | |
78 for J in reverse 1 .. Argument_Count loop | |
79 if Argument = Ada.Command_Line.Argument (J) then | |
80 Remove_Argument (J); | |
81 end if; | |
82 end loop; | |
83 end Remove_Argument; | |
84 | |
85 ---------------------- | |
86 -- Remove_Arguments -- | |
87 ---------------------- | |
88 | |
89 procedure Remove_Arguments (From : Positive; To : Natural) is | |
90 begin | |
91 Initialize; | |
92 | |
93 if From > Remove_Count | |
94 or else To > Remove_Count | |
95 then | |
96 raise Constraint_Error; | |
97 end if; | |
98 | |
99 if To >= From then | |
100 Remove_Count := Remove_Count - (To - From + 1); | |
101 | |
102 for J in From .. Remove_Count loop | |
103 Remove_Args (J) := Remove_Args (J + (To - From + 1)); | |
104 end loop; | |
105 end if; | |
106 end Remove_Arguments; | |
107 | |
108 procedure Remove_Arguments (Argument_Prefix : String) is | |
109 begin | |
110 for J in reverse 1 .. Argument_Count loop | |
111 declare | |
112 Arg : constant String := Argument (J); | |
113 | |
114 begin | |
115 if Arg'Length >= Argument_Prefix'Length | |
116 and then Arg (1 .. Argument_Prefix'Length) = Argument_Prefix | |
117 then | |
118 Remove_Argument (J); | |
119 end if; | |
120 end; | |
121 end loop; | |
122 end Remove_Arguments; | |
123 | |
124 end Ada.Command_Line.Remove; |