/usr/share/ada/adainclude/gnatcoll/gnatcoll-scripts-impl.adb is in libgnatcoll1.6-dev 1.6gpl2014-9.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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-- G N A T C O L L --
-- --
-- Copyright (C) 2003-2014, AdaCore --
-- --
-- This library is free software; you can redistribute it and/or modify it --
-- under terms of the GNU General Public License as published by the Free --
-- Software Foundation; either version 3, or (at your option) any later --
-- version. This library is distributed in the hope that it will be useful, --
-- but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHAN- --
-- TABILITY or FITNESS FOR A PARTICULAR PURPOSE. --
-- --
-- --
-- --
-- --
-- --
-- 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/>. --
-- --
------------------------------------------------------------------------------
with GNATCOLL.Traces; use GNATCOLL.Traces;
with System.Assertions;
with Interfaces; use Interfaces;
package body GNATCOLL.Scripts.Impl is
procedure Console_Command_Handler
(Data : in out Callback_Data'Class; Command : String);
-- Handles command related to Console class
procedure Logger_Handler
(Data : in out Callback_Data'Class; Command : String);
-- Handles command related to Logger class
type Logger_Properties_Record is new Instance_Property_Record with record
Handle : Trace_Handle;
end record;
type Logger_Properties is access all Logger_Properties_Record'Class;
-------------------
-- From_Instance --
-------------------
function From_Instance
(Script : access Scripting_Language_Record'Class;
Inst : access Class_Instance_Record'Class) return Class_Instance
is
begin
if Inst = null then
return No_Class_Instance;
end if;
Inst.Script := Scripting_Language (Script);
Inst.Refcount := Inst.Refcount + 1;
return Class_Instance'
(Initialized => True,
Data =>
(Ada.Finalization.Controlled
with Data => Class_Instance_Record_Access (Inst)));
end From_Instance;
-----------------
-- Insert_Text --
-----------------
procedure Insert_Text
(Script : access Scripting_Language_Record'Class;
Console : Virtual_Console := null;
Txt : String) is
begin
if (Console /= null and then Console.Hide_Output)
or else (Script.Console /= null and then Script.Console.Hide_Output)
then
null;
elsif Console /= null then
Insert_Text (Console, Txt);
elsif Script.Console /= null then
Insert_Text (Script.Console, Txt);
end if;
end Insert_Text;
------------------
-- Insert_Error --
------------------
procedure Insert_Error
(Script : access Scripting_Language_Record'Class;
Console : Virtual_Console := null;
Txt : String) is
begin
if Console /= null then
Insert_Error (Console, Txt);
elsif Script.Console /= null then
Insert_Error (Script.Console, Txt);
end if;
end Insert_Error;
-------------------
-- Insert_Prompt --
-------------------
procedure Insert_Prompt
(Script : access Scripting_Language_Record'Class;
Console : Virtual_Console := null;
Txt : String)
is
begin
if Console /= null then
Insert_Prompt (Console, Txt);
elsif Script.Console /= null then
Insert_Prompt (Script.Console, Txt);
end if;
end Insert_Prompt;
-----------------------------
-- Console_Command_Handler --
-----------------------------
procedure Console_Command_Handler
(Data : in out Callback_Data'Class; Command : String)
is
type Mode_Kinds is (Text, Log, Error);
Inst : constant Class_Instance := Nth_Arg (Data, 1, Any_Class);
Console : Virtual_Console;
Mode : Mode_Kinds := Text;
begin
if Command = "write" then
if Number_Of_Arguments (Data) = 3 then
begin
Mode := Mode_Kinds'Value (Nth_Arg (Data, 3));
exception
when Constraint_Error =>
Set_Error_Msg (Data, "Wrong value for ""mode"" parameter");
return;
end;
end if;
Console := Get_Data (Inst);
if Console /= null then
case Mode is
when Text =>
Insert_Text (Console, Nth_Arg (Data, 2));
when Log =>
Insert_Log (Console, Nth_Arg (Data, 2));
when Error =>
Insert_Error (Console, Nth_Arg (Data, 2));
end case;
else
Set_Error_Msg (Data, "Console was closed by user");
end if;
elsif Command = "clear" then
Console := Get_Data (Inst);
if Console /= null then
Clear (Console);
else
Set_Error_Msg (Data, "Console was closed by user");
end if;
elsif Command = "flush" then
null;
-- Do nothing, only needed for compatibility with Python's
-- stdout stream
elsif Command = "isatty" then
Set_Return_Value (Data, False);
elsif Command = "read" then
Console := Get_Data (Inst);
if Console /= null then
Set_Return_Value
(Data,
Read (Console,
Size => Nth_Arg (Data, 2, Integer'Last),
Whole_Line => False));
else
Set_Error_Msg (Data, "Console was closed by user");
end if;
elsif Command = "readline" then
Console := Get_Data (Inst);
if Console /= null then
Set_Return_Value
(Data,
Read (Console,
Size => Nth_Arg (Data, 2, Integer'Last),
Whole_Line => True));
else
Set_Error_Msg (Data, "Console was closed by user");
end if;
end if;
end Console_Command_Handler;
--------------------
-- Logger_Handler --
--------------------
procedure Logger_Handler
(Data : in out Callback_Data'Class; Command : String)
is
Logger_Data : constant String := "Logger";
Inst : constant Class_Instance := Nth_Arg (Data, 1);
Prop : Instance_Property;
begin
if Command = Constructor_Method then
Set_Data
(Inst, Logger_Data, Logger_Properties_Record'
(Handle => Create (Nth_Arg (Data, 2))));
elsif Command = "log" then
Prop := Get_Data (Inst, Logger_Data);
Trace (Logger_Properties (Prop).Handle, Nth_Arg (Data, 2));
elsif Command = "set_active" then
Prop := Get_Data (Inst, Logger_Data);
Set_Active (Logger_Properties (Prop).Handle, Nth_Arg (Data, 2));
elsif Command = "active" then
Prop := Get_Data (Inst, Logger_Data);
Set_Return_Value (Data, Active (Logger_Properties (Prop).Handle));
elsif Command = "check" then
begin
Prop := Get_Data (Inst, Logger_Data);
Assert (Logger_Properties (Prop).Handle,
Condition => Nth_Arg (Data, 2),
Error_Message => Nth_Arg (Data, 3),
Message_If_Success => Nth_Arg (Data, 4, ""));
exception
when System.Assertions.Assert_Failure =>
Set_Error_Msg (Data, "Assertion error: " & Nth_Arg (Data, 3));
end;
elsif Command = "count" then
Prop := Get_Data (Inst, Logger_Data);
Set_Return_Value (Data, Count (Logger_Properties (Prop).Handle));
end if;
end Logger_Handler;
----------------------------
-- Register_Console_Class --
----------------------------
procedure Register_Console_Class
(Repo : access Scripts_Repository_Record'Class;
Class : Class_Type) is
begin
Register_Command
(Repo, "write",
Params => (Param ("text"),
Param ("mode", Optional => True)),
Class => Class,
Handler => Console_Command_Handler'Access);
Register_Command
(Repo, "clear",
Class => Class,
Handler => Console_Command_Handler'Access);
Register_Command
(Repo, "flush",
Class => Class,
Handler => Console_Command_Handler'Access);
Register_Command
(Repo, "isatty",
Class => Class,
Handler => Console_Command_Handler'Access);
Register_Command
(Repo, "read",
Params => (1 => Param ("size", Optional => True)),
Class => Class,
Handler => Console_Command_Handler'Access);
Register_Command
(Repo, "readline",
Params => (1 => Param ("size", Optional => True)),
Class => Class,
Handler => Console_Command_Handler'Access);
end Register_Console_Class;
---------------------------
-- Register_Logger_Class --
---------------------------
procedure Register_Logger_Class
(Repo : access Scripts_Repository_Record'Class;
Class : Class_Type)
is
begin
Register_Command
(Repo, Constructor_Method,
Params => (1 => Param ("name")),
Class => Class,
Handler => Logger_Handler'Access);
Register_Command
(Repo, "log",
Params => (1 => Param ("message")),
Class => Class,
Handler => Logger_Handler'Access);
Register_Command
(Repo, "set_active",
Params => (1 => Param ("active")),
Class => Class,
Handler => Logger_Handler'Access);
Register_Property
(Repo, "active",
Class => Class,
Getter => Logger_Handler'Access);
Register_Command
(Repo, "check",
Params => (1 => Param ("condition"),
2 => Param ("error_message"),
3 => Param ("success_message", Optional => True)),
Class => Class,
Handler => Logger_Handler'Access);
Register_Property
(Repo, "count",
Class => Class,
Getter => Logger_Handler'Access);
end Register_Logger_Class;
end GNATCOLL.Scripts.Impl;
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