-- 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 GCC; 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 Scan; with Back_End; use Back_End; with Flags; use Flags; package body Options is 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; 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 = "-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 select vhdl 87 standard"); P (" --std=93 select vhdl 93 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 ("Illegal 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 ("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;