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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; use Ada.Text_IO;
with Name_Table;
with Libraries;
with Std_Names;
with PSL.Nodes;
with PSL.Dump_Tree;
with Disp_Tree;
with Scan;
with Back_End; use Back_End;
with Flags; use Flags;
package body Options is
procedure Initialize is
begin
Std_Names.Std_Names_Initialize;
Libraries.Init_Pathes;
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
-- if Opt = "undriven" then
-- Warn_Undriven := True;
if Opt = "library" then
Warn_Library := Val;
elsif Opt = "default-binding" then
Warn_Default_Binding := Val;
elsif Opt = "binding" then
Warn_Binding := Val;
elsif Opt = "reserved" then
Warn_Reserved_Word := Val;
elsif Opt = "vital-generic" then
Warn_Vital_Generic := Val;
elsif Opt = "delayed-checks" then
Warn_Delayed_Checks := Val;
elsif Opt = "body" then
Warn_Body := Val;
elsif Opt = "specs" then
Warn_Specs := Val;
elsif Opt = "unused" then
Warn_Unused := Val;
elsif Opt = "error" then
Warn_Error := Val;
else
return False;
end if;
return True;
end Option_Warning;
function Parse_Option (Opt: String) return Boolean
is
Beg: constant Integer := Opt'First;
begin
if Opt'Length > 5 and then Opt (Beg .. Beg + 5) = "--std=" then
if Opt'Length = 8 then
if Opt (Beg + 6 .. Beg + 7) = "87" then
Vhdl_Std := Vhdl_87;
elsif Opt (Beg + 6 .. Beg + 7) = "93" then
Vhdl_Std := Vhdl_93;
elsif Opt (Beg + 6 .. Beg + 7) = "00" then
Vhdl_Std := Vhdl_00;
elsif Opt (Beg + 6 .. Beg + 7) = "02" then
Vhdl_Std := Vhdl_02;
elsif Opt (Beg + 6 .. Beg + 7) = "08" then
Vhdl_Std := Vhdl_08;
else
return False;
end if;
elsif Opt'Length = 9 and then Opt (Beg + 6 .. Beg + 8) = "93c" then
Vhdl_Std := Vhdl_93c;
else
return False;
end if;
elsif Opt'Length > 2 and then Opt (Beg .. Beg + 1) = "-P" then
Libraries.Add_Library_Path (Opt (Beg + 2 .. Opt'Last));
elsif Opt'Length > 10 and then Opt (Beg .. Beg + 9) = "--workdir=" then
Libraries.Set_Work_Library_Path (Opt (Beg + 10 .. Opt'Last));
elsif Opt'Length > 10 and then Opt (Beg .. Beg + 9) = "--warn-no-" then
return Option_Warning (Opt (Beg + 10 .. Opt'Last), False);
elsif Opt'Length > 7 and then Opt (Beg .. Beg + 6) = "--warn-" then
return Option_Warning (Opt (Beg + 7 .. Opt'Last), True);
elsif Opt'Length > 7 and then Opt (Beg .. Beg + 6) = "--work=" then
declare
use Name_Table;
begin
Name_Length := Opt'Last - (Beg + 7) + 1;
Name_Buffer (1 .. Name_Length) := Opt (Beg + 7 .. Opt'Last);
Scan.Convert_Identifier;
Libraries.Work_Library_Name := Get_Identifier;
end;
elsif Opt = "-C" or else Opt = "--mb-comments" then
Mb_Comment := True;
elsif Opt = "--bootstrap" then
Bootstrap := True;
elsif Opt = "-fexplicit" then
Flag_Explicit := 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
Scan.Flag_Psl_Comment := True;
Scan.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 = "--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 Opt'Length > 17
-- and then Opt (Beg .. Beg + 17) = "--time-resolution="
-- then
-- Beg := Beg + 18;
-- if Opt (Beg .. Beg + 1) = "fs" then
-- Time_Resolution := 'f';
-- elsif Opt (Beg .. Beg + 1) = "ps" then
-- Time_Resolution := 'p';
-- elsif Opt (Beg .. Beg + 1) = "ns" then
-- Time_Resolution := 'n';
-- elsif Opt (Beg .. Beg + 1) = "us" then
-- Time_Resolution := 'u';
-- elsif Opt (Beg .. Beg + 1) = "ms" then
-- Time_Resolution := 'm';
-- elsif Opt (Beg .. Beg + 2) = "sec" then
-- Time_Resolution := 's';
-- elsif Opt (Beg .. Beg + 2) = "min" then
-- Time_Resolution := 'M';
-- elsif Opt (Beg .. Beg + 1) = "hr" then
-- Time_Resolution := 'h';
-- else
-- return False;
-- end if;
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 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 (" --warn-binding warns for component not bound");
P (" --warn-reserved warns use of 93 reserved words in vhdl87");
P (" --warn-library warns for redefinition of a design unit");
P (" --warn-vital-generic warns of non-vital generic names");
P (" --warn-delayed-checks warns for checks performed at elaboration");
P (" --warn-body warns for not necessary package body");
P (" --warn-specs warns if a all/others spec does not apply");
P (" --warn-unused warns if a subprogram is never used");
P (" --warn-error turns warnings into errors");
-- P ("Simulation option:");
-- P (" --time-resolution=UNIT set the resolution of type time");
-- P (" UNIT can be fs, ps, ns, us, ms, sec, min or hr");
-- 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 (" -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 (" -ls after semantics");
P (" -lc after canon");
P (" -la after annotation");
P (" --lall -lX options apply to all files");
P (" -lv verbose list");
P (" -v disp compilation stages");
P ("Compilation dump:");
P (" -dp dump tree after parsing");
P (" -ds dump tree after semantics");
P (" -da dump tree after 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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