-- Ortho entry point for translation. -- Copyright (C) 2002, 2003, 2004, 2005 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 Types; use Types; with Std_Names; with Name_Table; with Std_Package; with Back_End; with Flags; with Translation; with Iirs; use Iirs; with Libraries; use Libraries; with Sem; with Errorout; use Errorout; with GNAT.OS_Lib; with Canon; with Disp_Vhdl; with Bug; with Trans_Be; with Options; package body Ortho_Front is -- The action to be performed by the compiler. type Action_Type is ( -- Normal mode: compile a design file. Action_Compile, -- Elaborate a design unit. Action_Elaborate, -- Analyze files and elaborate unit. Action_Anaelab, -- Generate code for std.package. Action_Compile_Std_Package ); Action : Action_Type := Action_Compile; -- Name of the entity to elaborate. Elab_Entity : String_Acc; -- Name of the architecture to elaborate. Elab_Architecture : String_Acc; -- Filename for the list of files to link. Elab_Filelist : String_Acc; Flag_Expect_Failure : Boolean; type Id_Link; type Id_Link_Acc is access Id_Link; type Id_Link is record Id : Name_Id; Link : Id_Link_Acc; end record; Anaelab_Files : Id_Link_Acc := null; Anaelab_Files_Last : Id_Link_Acc := null; procedure Init is begin -- Initialize. Trans_Be.Register_Translation_Back_End; Std_Names.Std_Names_Initialize; Libraries.Init_Pathes; Elab_Filelist := null; Elab_Entity := null; Elab_Architecture := null; Flag_Expect_Failure := False; end Init; function Decode_Elab_Option (Arg : String_Acc) return Natural is begin Elab_Architecture := null; -- Entity (+ architecture) to elaborate if Arg = null then Error_Msg_Option ("entity or configuration name required after --elab"); return 0; end if; if Arg (Arg.all'Last) = ')' then -- Name is ENTITY(ARCH). -- Split. declare P : Natural; Len : Natural; Is_Ext : Boolean; begin P := Arg.all'Last - 1; Len := P - Arg.all'First + 1; -- Must be at least 'e(a)'. if Len < 4 then Error_Msg_Option ("ill-formed name after --elab"); return 0; end if; -- Handle extended name. if Arg (P) = '\' then P := P - 1; Is_Ext := True; else Is_Ext := False; end if; loop if P = Arg.all'First then Error_Msg_Option ("ill-formed name after --elab"); return 0; end if; exit when Arg (P) = '(' and Is_Ext = False; if Arg (P) = '\' then if Arg (P - 1) = '\' then P := P - 2; elsif Arg (P - 1) = '(' then P := P - 1; exit; else Error_Msg_Option ("ill-formed name after --elab"); return 0; end if; else P := P - 1; end if; end loop; Elab_Architecture := new String'(Arg (P + 1 .. Arg'Last - 1)); Elab_Entity := new String'(Arg (Arg'First .. P - 1)); end; else Elab_Entity := new String'(Arg.all); Elab_Architecture := new String'(""); end if; return 2; end Decode_Elab_Option; function Decode_Option (Opt : String_Acc; Arg: String_Acc) return Natural is begin if Opt.all = "--compile-standard" then Action := Action_Compile_Std_Package; Flags.Bootstrap := True; return 1; elsif Opt.all = "--elab" then if Action /= Action_Compile then Error_Msg_Option ("several --elab options"); return 0; end if; Action := Action_Elaborate; return Decode_Elab_Option (Arg); elsif Opt.all = "--anaelab" then if Action /= Action_Compile then Error_Msg_Option ("several --anaelab options"); return 0; end if; Action := Action_Anaelab; return Decode_Elab_Option (Arg); elsif Opt.all = "-c" then if Action /= Action_Anaelab then Error_Msg_Option ("-c option allowed only after --anaelab options"); return 0; end if; if Arg = null then Error_Msg_Option ("filename required after -c"); return 0; end if; declare L : Id_Link_Acc; begin L := new Id_Link'(Id => Name_Table.Get_Identifier (Arg.all), Link => null); if Anaelab_Files = null then Anaelab_Files := L; else Anaelab_Files_Last.Link := L; end if; Anaelab_Files_Last := L; end; return 2; elsif Opt.all = "-l" then if Arg = null then Error_Msg_Option ("filename required after -l"); end if; if Elab_Filelist /= null then Error_Msg_Option ("several -l options"); else Elab_Filelist := new String'(Arg.all); end if; return 2; elsif Opt.all = "--help" then Options.Disp_Options_Help; return 1; elsif Opt.all = "--expect-failure" then Flag_Expect_Failure := True; return 1; elsif Opt'Length > 7 and then Opt (1 .. 7) = "--ghdl-" then if Options.Parse_Option (Opt (7 .. Opt'Last)) then return 1; else return 0; end if; elsif Options.Parse_Option (Opt.all) then return 1; else return 0; end if; end Decode_Option; -- Lighter version of libraries.is_obselete, since DESIGN_UNIT must be in -- the currently analyzed design file. function Is_Obsolete (Design_Unit : Iir_Design_Unit) return Boolean is List : Iir_List; El : Iir; begin if Get_Date (Design_Unit) = Date_Obsolete then return True; end if; List := Get_Dependence_List (Design_Unit); if Is_Null_List (List) then return False; end if; for I in Natural loop El := Get_Nth_Element (List, I); exit when Is_Null (El); -- FIXME: there may be entity_aspect_entity... if Get_Kind (El) = Iir_Kind_Design_Unit and then Get_Date (El) = Date_Obsolete then return True; end if; end loop; return False; end Is_Obsolete; Nbr_Parse : Natural := 0; function Parse (Filename : String_Acc) return Boolean is Res : Iir_Design_File; New_Design_File : Iir_Design_File; Design : Iir_Design_Unit; Next_Design : Iir_Design_Unit; -- The vhdl filename to compile. Vhdl_File : Name_Id; begin if Nbr_Parse = 0 then -- Initialize only once... Libraries.Load_Std_Library; -- Here, time_base can be set. Translation.Initialize; Canon.Canon_Flag_Add_Labels := True; if Flags.List_All and then Flags.List_Annotate then Disp_Vhdl.Disp_Vhdl (Std_Package.Std_Standard_Unit); end if; if Action = Action_Anaelab and then Anaelab_Files /= null then Libraries.Load_Work_Library (True); else Libraries.Load_Work_Library (False); end if; end if; Nbr_Parse := Nbr_Parse + 1; case Action is when Action_Elaborate => Flags.Flag_Elaborate := True; Flags.Flag_Only_Elab_Warnings := True; Translation.Chap12.Elaborate (Elab_Entity.all, Elab_Architecture.all, Elab_Filelist.all, False); if Errorout.Nbr_Errors > 0 then -- This may happen (bad entity for example). raise Compilation_Error; end if; when Action_Anaelab => -- Parse files. if Anaelab_Files = null then Flags.Flag_Elaborate_With_Outdated := False; else Flags.Flag_Elaborate_With_Outdated := True; declare L : Id_Link_Acc; begin L := Anaelab_Files; while L /= null loop Res := Libraries.Load_File (L.Id); if Errorout.Nbr_Errors > 0 then raise Compilation_Error; end if; -- Put units into library. Design := Get_First_Design_Unit (Res); while not Is_Null (Design) loop Next_Design := Get_Chain (Design); Set_Chain (Design, Null_Iir); Libraries.Add_Design_Unit_Into_Library (Design); Design := Next_Design; end loop; L := L.Link; end loop; end; end if; Flags.Flag_Elaborate := True; Flags.Flag_Only_Elab_Warnings := False; Translation.Chap12.Elaborate (Elab_Entity.all, Elab_Architecture.all, "", True); if Errorout.Nbr_Errors > 0 then -- This may happen (bad entity for example). raise Compilation_Error; end if; when Action_Compile_Std_Package => if Filename /= null then Error_Msg_Option ("--compile-standard is not compatible with a filename"); return False; end if; Translation.Translate_Standard (True); when Action_Compile => if Filename = null then Error_Msg_Option ("no input file"); return False; end if; if Nbr_Parse > 1 then Error_Msg_Option ("can compile only one file (file """ & Filename.all & """ ignored)"); return False; end if; Vhdl_File := Name_Table.Get_Identifier (Filename.all); Translation.Translate_Standard (False); Flags.Flag_Elaborate := False; Res := Libraries.Load_File (Vhdl_File); if Errorout.Nbr_Errors > 0 then raise Compilation_Error; end if; -- Semantize all design units. -- FIXME: outdate the design file? New_Design_File := Null_Iir; Design := Get_First_Design_Unit (Res); while not Is_Null (Design) loop -- Sem, canon, annotate a design unit. Back_End.Finish_Compilation (Design, True); Next_Design := Get_Chain (Design); if Errorout.Nbr_Errors = 0 then Set_Chain (Design, Null_Iir); Libraries.Add_Design_Unit_Into_Library (Design); New_Design_File := Get_Design_File (Design); end if; Design := Next_Design; end loop; if Errorout.Nbr_Errors > 0 then raise Compilation_Error; end if; -- Do late analysis checks. Design := Get_First_Design_Unit (New_Design_File); while not Is_Null (Design) loop Sem.Sem_Analysis_Checks_List (Design, Flags.Warn_Delayed_Checks); Design := Get_Chain (Design); end loop; -- Compile only now. if not Is_Null (New_Design_File) then -- Note: the order of design unit is kept. Design := Get_First_Design_Unit (New_Design_File); while not Is_Null (Design) loop if not Is_Obsolete (Design) then if Get_Kind (Get_Library_Unit (Design)) = Iir_Kind_Configuration_Declaration then -- Defer code generation of configuration declaration. -- (default binding may change between analysis and -- elaboration). Translation.Translate (Design, False); else Translation.Translate (Design, True); end if; if Errorout.Nbr_Errors > 0 then -- This can happen (foreign attribute). raise Compilation_Error; end if; end if; Design := Get_Chain (Design); end loop; end if; -- Save the working library. Libraries.Save_Work_Library; end case; if Flag_Expect_Failure then return False; else return True; end if; exception --when File_Error => -- Error_Msg_Option ("cannot open file '" & Filename.all & "'"); -- return False; when Compilation_Error | Parse_Error | Elaboration_Error => if Flag_Expect_Failure then -- Very brutal... GNAT.OS_Lib.OS_Exit (0); end if; return False; when Option_Error => return False; when E: others => Bug.Disp_Bug_Box (E); raise; end Parse; end Ortho_Front;