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-- Command line options.
-- Copyright (C) 2008 Tristan Gingold
--
-- GHDL 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, or (at your option) any later
-- version.
--
-- GHDL 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 GHDL; see the file COPYING. If not, write to the Free
-- Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-- 02111-1307, USA.
with Ada.Text_IO;
with Name_Table;
with Errorout; use Errorout;
with Libraries;
with Std_Names;
with PSL.Nodes;
with PSL.Dump_Tree;
with Disp_Tree;
with Scanner;
with Back_End; use Back_End;
with Flags; use Flags;
with Files_Map;
package body Options is
procedure Initialize is
begin
Std_Names.Std_Names_Initialize;
Libraries.Init_Paths;
PSL.Nodes.Init;
PSL.Dump_Tree.Dump_Hdl_Node := Disp_Tree.Disp_Tree_For_Psl'Access;
end Initialize;
function Option_Warning (Opt: String; Val : Boolean) return Boolean is
begin
-- Handle -Werror.
if Opt = "error" then
Warn_Error := Val;
return True;
end if;
-- Normal warnings.
for I in Msgid_Warnings loop
if Warning_Image (I) = Opt then
Enable_Warning (I, Val);
return True;
end if;
end loop;
-- -Wreserved is an alias for -Wreserved-word.
if Opt = "reserved" then
Enable_Warning (Warnid_Reserved_Word, Val);
return True;
end if;
-- Unknown warning.
return False;
end Option_Warning;
function Parse_Option (Opt : String) return Boolean
is
pragma Assert (Opt'First = 1);
begin
if Opt'Last > 5 and then Opt (1 .. 6) = "--std=" then
if Opt'Length = 8 then
if Opt (7 .. 8) = "87" then
Vhdl_Std := Vhdl_87;
elsif Opt (7 .. 8) = "93" then
Vhdl_Std := Vhdl_93;
elsif Opt (7 .. 8) = "00" then
Vhdl_Std := Vhdl_00;
elsif Opt (7 .. 8) = "02" then
Vhdl_Std := Vhdl_02;
elsif Opt (7 .. 8) = "08" then
Vhdl_Std := Vhdl_08;
else
return False;
end if;
elsif Opt'Length = 9 and then Opt (7 .. 9) = "93c" then
Vhdl_Std := Vhdl_93c;
else
return False;
end if;
elsif Opt'Length = 5 and then Opt (1 .. 5) = "--ams" then
AMS_Vhdl := True;
elsif Opt'Length >= 2 and then Opt (1 .. 2) = "-P" then
if Opt'Last = 2 then
Error_Msg_Option ("missing directory after -P");
return True;
end if;
if Opt (3) = '=' then
if Opt'Last = 3 then
Error_Msg_Option ("missing directory after -P=");
return True;
end if;
Libraries.Add_Library_Path (Opt (4 .. Opt'Last));
else
Libraries.Add_Library_Path (Opt (3 .. Opt'Last));
end if;
elsif Opt'Length > 10 and then Opt (1 .. 10) = "--workdir=" then
Libraries.Set_Work_Library_Path (Opt (11 .. Opt'Last));
elsif Opt'Length > 10 and then Opt (1 .. 10) = "--warn-no-" then
-- Handle --warn-no before -warn-!
return Option_Warning (Opt (11 .. Opt'Last), False);
elsif Opt'Length > 7 and then Opt (1 .. 7) = "--warn-" then
return Option_Warning (Opt (8 .. Opt'Last), True);
elsif Opt'Length > 5 and then Opt (1 .. 5) = "-Wno-" then
-- Handle -Wno-xxx before -Wxxx
return Option_Warning (Opt (6 .. Opt'Last), False);
elsif Opt'Length > 2 and then Opt (1 .. 2) = "-W" then
return Option_Warning (Opt (3 .. Opt'Last), True);
elsif Opt'Length > 7 and then Opt (1 .. 7) = "--work=" then
declare
use Name_Table;
Name : String (1 .. Opt'Last - 8 + 1);
begin
Name := Opt (8 .. Opt'Last);
Scanner.Convert_Identifier (Name);
Libraries.Work_Library_Name := Get_Identifier (Name);
end;
elsif Opt = "-C" or else Opt = "--mb-comments" then
Mb_Comment := True;
elsif Opt = "-fcaret-diagnostics" then
Flag_Caret_Diagnostics := True;
elsif Opt = "-fno-caret-diagnostics" then
Flag_Caret_Diagnostics := False;
elsif Opt = "-fcolor-diagnostics" then
Flag_Color_Diagnostics := On;
elsif Opt = "-fno-color-diagnostics" then
Flag_Color_Diagnostics := Off;
elsif Opt = "-fdiagnostics-show-option" then
Flag_Diagnostics_Show_Option := True;
elsif Opt = "-fno-diagnostics-show-option" then
Flag_Diagnostics_Show_Option := False;
elsif Opt'Length > 10 and then Opt (1 .. 10) = "-ftabstop=" then
declare
use Files_Map;
V : Natural;
begin
V := Natural'Value (Opt (11 .. Opt'Last));
if V not in Tab_Stop_Range then
Error_Msg_Option ("incorrect value for -ftabstop");
return True;
end if;
Tab_Stop := V;
exception
when Constraint_Error =>
Error_Msg_Option ("numeric value expected after -ftabstop=");
return True;
end;
elsif Opt = "--bootstrap" then
Bootstrap := True;
elsif Opt = "-fexplicit" then
Flag_Explicit := True;
elsif Opt = "-frelaxed-rules" or else Opt = "-frelaxed" then
Flag_Relaxed_Rules := True;
elsif Opt = "--syn-binding" then
Flag_Syn_Binding := True;
elsif Opt = "--no-vital-checks" then
Flag_Vital_Checks := False;
elsif Opt = "--vital-checks" then
Flag_Vital_Checks := True;
elsif Opt = "-fpsl" then
Scanner.Flag_Psl_Comment := True;
Scanner.Flag_Comment_Keyword := True;
elsif Opt = "-dp" then
Dump_Parse := True;
elsif Opt = "-ds" then
Dump_Sem := True;
elsif Opt = "-dc" then
Dump_Canon := True;
elsif Opt = "-da" then
Dump_Annotate := True;
elsif Opt = "-do" then
Dump_Origin_Flag := False;
elsif Opt = "--dall" then
Dump_All := True;
elsif Opt = "-dstats" then
Dump_Stats := True;
elsif Opt = "--lall" then
List_All := True;
elsif Opt = "-lv" then
List_Verbose := True;
elsif Opt = "-ls" then
List_Sem := True;
elsif Opt = "-lc" then
List_Canon := True;
elsif Opt = "-la" then
List_Annotate := True;
elsif Opt = "-v" then
Verbose := True;
elsif Opt = "--finteger64" then
Flag_Integer_64 := True;
elsif Opt = "--ftime32" then
Flag_Time_64 := False;
elsif Back_End.Parse_Option /= null
and then Back_End.Parse_Option.all (Opt)
then
null;
else
return False;
end if;
return True;
end Parse_Option;
-- Disp help about these options.
procedure Disp_Options_Help
is
procedure P (S : String) renames Ada.Text_IO.Put_Line;
begin
P ("Main options:");
P (" --work=LIB use LIB as work library");
P (" --workdir=DIR use DIR for the file library");
P (" -PPATH add PATH in the library path list");
P (" --std=87/93/00/02/08 select vhdl 87/93/00/02/08 standard");
P (" --std=93c select vhdl 93 standard and allow 87 syntax");
P (" --[no-]vital-checks do [not] check VITAL restrictions");
P ("Warnings:");
-- P (" --warn-undriven disp undriven signals");
P (" -Wbinding warns for component not bound");
P (" -Wreserved warns use of 93 reserved words in vhdl87");
P (" -Wlibrary warns for redefinition of a design unit");
P (" -Wvital-generic warns of non-vital generic names");
P (" -Wdelayed-checks warns for checks performed at elaboration");
P (" -Wbody warns for not necessary package body");
P (" -Wspecs warns if a all/others spec does not apply");
P (" -Wunused warns if a subprogram is never used");
P (" -Werror turns warnings into errors");
-- P ("Simulation option:");
-- P (" --assert-level=LEVEL set the level which stop the");
-- P (" simulation. LEVEL is note, warning, error,");
-- P (" failure or none");
P ("Extensions:");
P (" -fexplicit give priority to explicitly declared operator");
P (" -frelaxed-rules relax some LRM rules");
P (" -C --mb-comments allow multi-bytes chars in a comment");
P (" --bootstrap allow --work=std");
P (" --syn-binding use synthesis default binding rule");
P (" -fpsl parse psl in comments");
P ("Compilation list:");
P (" -l[sca] after semantics, canon or annotation");
P (" --lall -lX options apply to all files");
P (" -lv verbose list");
P (" -v disp compilation stages");
P ("Compilation dump:");
P (" -d[psa] dump tree after parse, semantics or annotate");
P (" --dall -dX options apply to all files");
if Back_End.Disp_Option /= null then
Back_End.Disp_Option.all;
end if;
end Disp_Options_Help;
end Options;
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