1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
------------------------------------------------------------------------------
-- --
-- GNAT LIBRARY COMPONENTS --
-- --
-- G N A T . E X P E C T . T T Y --
-- --
-- S p e c --
-- --
-- Copyright (C) 2000-2011, AdaCore --
-- --
-- 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. --
-- --
------------------------------------------------------------------------------
with GNAT.TTY;
with System;
with System.OS_Constants;
package GNAT.Expect.TTY is
pragma Linker_Options (System.OS_Constants.PTY_Library);
------------------
-- TTY_Process --
------------------
type TTY_Process_Descriptor is new Process_Descriptor with private;
-- Similar to Process_Descriptor, with the parent set up as a full terminal
-- (Unix sense, see tty(4)).
procedure Pseudo_Descriptor
(Descriptor : out TTY_Process_Descriptor'Class;
TTY : GNAT.TTY.TTY_Handle;
Buffer_Size : Natural := 4096);
-- Given a terminal descriptor (TTY), create a pseudo process descriptor
-- to be used with GNAT.Expect.
--
-- Note that it is invalid to call Close, Interrupt, Send_Signal on the
-- resulting descriptor. To deallocate memory associated with Process,
-- call Close_Pseudo_Descriptor instead.
procedure Close_Pseudo_Descriptor
(Descriptor : in out TTY_Process_Descriptor);
-- Free memory and ressources associated with Descriptor. Will *not*
-- close the associated TTY, it is the caller's responsibility to call
-- GNAT.TTY.Close_TTY.
procedure Interrupt (Pid : Integer);
-- Interrupt a process given its pid
overriding procedure Send
(Descriptor : in out TTY_Process_Descriptor;
Str : String;
Add_LF : Boolean := True;
Empty_Buffer : Boolean := False);
-- See parent
-- What does that comment mean??? what is "parent" here
procedure Set_Use_Pipes
(Descriptor : in out TTY_Process_Descriptor;
Use_Pipes : Boolean);
-- Tell Expect.TTY whether to use Pipes or Console (on windows). Needs to
-- be set before spawning the process. Default is to use Pipes.
procedure Set_Size
(Descriptor : in out TTY_Process_Descriptor'Class;
Rows : Natural;
Columns : Natural);
-- Sets up the size of the terminal as reported to the spawned process
private
-- All declarations in the private part must be fully commented ???
overriding procedure Close
(Descriptor : in out TTY_Process_Descriptor;
Status : out Integer);
overriding procedure Close
(Descriptor : in out TTY_Process_Descriptor);
overriding procedure Interrupt (Descriptor : in out TTY_Process_Descriptor);
-- When we use pseudo-terminals, we do not need to use signals to
-- interrupt the debugger, we can simply send the appropriate character.
-- This provides a better support for remote debugging for instance.
procedure Set_Up_Communications
(Pid : in out TTY_Process_Descriptor;
Err_To_Out : Boolean;
Pipe1 : access Pipe_Type;
Pipe2 : access Pipe_Type;
Pipe3 : access Pipe_Type);
procedure Set_Up_Parent_Communications
(Pid : in out TTY_Process_Descriptor;
Pipe1 : in out Pipe_Type;
Pipe2 : in out Pipe_Type;
Pipe3 : in out Pipe_Type);
procedure Set_Up_Child_Communications
(Pid : in out TTY_Process_Descriptor;
Pipe1 : in out Pipe_Type;
Pipe2 : in out Pipe_Type;
Pipe3 : in out Pipe_Type;
Cmd : String;
Args : System.Address);
type TTY_Process_Descriptor is new Process_Descriptor with record
Process : System.Address; -- Underlying structure used in C
Use_Pipes : Boolean := True;
end record;
end GNAT.Expect.TTY;
|
