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-- EDIF main program.
-- Copyright (C) 2019 Tristan Gingold
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 2 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <gnu.org/licenses>.
with Ada.Text_IO; use Ada.Text_IO;
with Ada.Command_Line; use Ada.Command_Line;
with Types; use Types;
with Name_Table;
with Std_Names;
with Files_Map;
with Str_Table;
with Errorout;
with Errorout.Console;
with Edif.Tokens; use Edif.Tokens;
with Edif.Scans; use Edif.Scans;
with Edif.Nodes; use Edif.Nodes;
with Edif.Parse; use Edif.Parse;
with Edif.Disp_Edif;
procedure Dump_Edif is
procedure Usage is
begin
Put_Line ("usage: " & Command_Name & " [--scan|--raw] FILE");
end Usage;
procedure Error_Msg_Option (Msg : String) is
begin
Put_Line (Standard_Error, Msg);
raise Fatal_Error;
end Error_Msg_Option;
N : Natural;
type Cmd_Type is (Cmd_None, Cmd_Scan, Cmd_Raw);
Cmd : Cmd_Type;
Id : Name_Id;
Dir_Id : Name_Id;
Sfe : Source_File_Entry;
begin
Set_Exit_Status (Failure);
Errorout.Console.Install_Handler;
Errorout.Console.Set_Program_Name (Command_Name);
Std_Names.Std_Names_Initialize;
Files_Map.Initialize;
-- Decode options.
Cmd := Cmd_None;
N := 1;
while N <= Argument_Count loop
declare
Opt : constant String := Argument (N);
begin
exit when Opt (1) /= '-' and Opt (1) /= '+';
if Opt = "--scan" then
Cmd := Cmd_Scan;
elsif Opt = "--raw" then
Cmd := Cmd_Raw;
else
Usage;
return;
end if;
end;
N := N + 1;
end loop;
-- Stop now if no arguments.
if N > Argument_Count then
Usage;
return;
end if;
-- Parse files on the command line.
while N <= Argument_Count loop
-- Load the file.
Id := Name_Table.Get_Identifier (Argument (N));
Dir_Id := Null_Identifier;
Files_Map.Normalize_Pathname (Dir_Id, Id);
Sfe := Files_Map.Read_Source_File (Dir_Id, Id);
if Sfe = No_Source_File_Entry then
Error_Msg_Option ("cannot open " & Argument (N));
end if;
-- Parse file.
Set_File (Sfe);
case Cmd is
when Cmd_Scan =>
declare
Indent : Natural;
Need_Nl : Boolean;
Need_Sp : Boolean;
procedure Maybe_Nl is
begin
if Need_Nl then
New_Line;
Put ((1 .. 2 * Indent => ' '));
Need_Nl := False;
Need_Sp := False;
elsif Need_Sp then
Put (' ');
Need_Sp := False;
end if;
end Maybe_Nl;
begin
Indent := 0;
Need_Nl := False;
Need_Sp := False;
loop
Scan;
case Current_Token is
when Tok_Keyword =>
New_Line;
Put ((1 .. 2 * Indent => ' '));
Need_Nl := False;
Put ('(');
Put (Name_Table.Image (Current_Identifier));
Need_Sp := True;
Indent := Indent + 1;
when Tok_Right_Paren =>
Put (')');
Need_Nl := True;
Indent := Indent - 1;
when Tok_Symbol =>
Maybe_Nl;
Put (Name_Table.Image (Current_Identifier));
Need_Sp := True;
when Tok_String =>
Maybe_Nl;
Put ('"');
Put (Str_Table.String_String8
(Current_String, Nat32 (Current_String_Len)));
Put ('"');
Need_Sp := True;
when Tok_Number =>
Maybe_Nl;
declare
S : constant String := Int32'Image (Current_Number);
F : Natural;
begin
if S (1) = ' ' then
F := 2;
else
F := 1;
end if;
Put (S (F .. S'Last));
end;
Need_Sp := True;
when Tok_Eof =>
exit;
end case;
end loop;
end;
when Cmd_Raw =>
declare
T : Node;
begin
T := Parse_File_Simple;
if Errorout.Nbr_Errors > 0 then
raise Fatal_Error;
end if;
Edif.Disp_Edif.Disp_Node (T);
end;
when Cmd_None =>
declare
T : Node;
begin
T := Parse_Edif200;
if Errorout.Nbr_Errors > 0 then
raise Fatal_Error;
end if;
Edif.Disp_Edif.Disp_Node (T);
end;
end case;
N := N + 1;
end loop;
Set_Exit_Status (Success);
exception
when Fatal_Error =>
null;
end Dump_Edif;
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