| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT COMPILER COMPONENTS -- |
| -- -- |
| -- L I B . W R I T -- |
| -- -- |
| -- B o d y -- |
| -- -- |
| -- Copyright (C) 1992-2003 Free Software Foundation, Inc. -- |
| -- -- |
| -- GNAT is free software; you can redistribute it and/or modify it under -- |
| -- terms of the GNU General Public License as published by the Free Soft- -- |
| -- ware Foundation; either version 2, or (at your option) any later ver- -- |
| -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- |
| -- OUT 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 distributed with GNAT; see file COPYING. If not, write -- |
| -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, -- |
| -- MA 02111-1307, USA. -- |
| -- -- |
| -- GNAT was originally developed by the GNAT team at New York University. -- |
| -- Extensive contributions were provided by Ada Core Technologies Inc. -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| with ALI; use ALI; |
| with Atree; use Atree; |
| with Casing; use Casing; |
| with Einfo; use Einfo; |
| with Errout; use Errout; |
| with Fname; use Fname; |
| with Fname.UF; use Fname.UF; |
| with Lib.Util; use Lib.Util; |
| with Lib.Xref; use Lib.Xref; |
| with Namet; use Namet; |
| with Nlists; use Nlists; |
| with Gnatvsn; use Gnatvsn; |
| with Opt; use Opt; |
| with Osint; use Osint; |
| with Osint.C; use Osint.C; |
| with Par; |
| with Restrict; use Restrict; |
| with Scn; use Scn; |
| with Sinfo; use Sinfo; |
| with Sinput; use Sinput; |
| with Stringt; use Stringt; |
| with Tbuild; use Tbuild; |
| with Uname; use Uname; |
| |
| with System.WCh_Con; use System.WCh_Con; |
| |
| package body Lib.Writ is |
| |
| ---------------------------------- |
| -- Add_Preprocessing_Dependency -- |
| ---------------------------------- |
| |
| procedure Add_Preprocessing_Dependency (S : Source_File_Index) is |
| begin |
| Units.Increment_Last; |
| Units.Table (Units.Last) := |
| (Unit_File_Name => File_Name (S), |
| Unit_Name => No_Name, |
| Expected_Unit => No_Name, |
| Source_Index => S, |
| Cunit => Empty, |
| Cunit_Entity => Empty, |
| Dependency_Num => 0, |
| Dependent_Unit => True, |
| Dynamic_Elab => False, |
| Fatal_Error => False, |
| Generate_Code => False, |
| Has_RACW => False, |
| Ident_String => Empty, |
| Loading => False, |
| Main_Priority => -1, |
| Serial_Number => 0, |
| Version => 0, |
| Error_Location => No_Location); |
| end Add_Preprocessing_Dependency; |
| |
| ------------------------------ |
| -- Ensure_System_Dependency -- |
| ------------------------------ |
| |
| procedure Ensure_System_Dependency is |
| System_Uname : Unit_Name_Type; |
| -- Unit name for system spec if needed for dummy entry |
| |
| System_Fname : File_Name_Type; |
| -- File name for system spec if needed for dummy entry |
| |
| Save_Style : constant Boolean := Style_Check; |
| |
| begin |
| -- Nothing to do if we already compiled System |
| |
| for Unum in Units.First .. Last_Unit loop |
| if Units.Table (Unum).Source_Index = System_Source_File_Index then |
| return; |
| end if; |
| end loop; |
| |
| -- If no entry for system.ads in the units table, then add a entry |
| -- to the units table for system.ads, which will be referenced when |
| -- the ali file is generated. We need this because every unit depends |
| -- on system as a result of Targparm scanning the system.ads file to |
| -- determine the target dependent parameters for the compilation. |
| |
| Name_Len := 6; |
| Name_Buffer (1 .. 6) := "system"; |
| System_Uname := Name_To_Unit_Name (Name_Enter); |
| System_Fname := File_Name (System_Source_File_Index); |
| |
| Units.Increment_Last; |
| Units.Table (Units.Last) := ( |
| Unit_File_Name => System_Fname, |
| Unit_Name => System_Uname, |
| Expected_Unit => System_Uname, |
| Source_Index => System_Source_File_Index, |
| Cunit => Empty, |
| Cunit_Entity => Empty, |
| Dependency_Num => 0, |
| Dependent_Unit => True, |
| Dynamic_Elab => False, |
| Fatal_Error => False, |
| Generate_Code => False, |
| Has_RACW => False, |
| Ident_String => Empty, |
| Loading => False, |
| Main_Priority => -1, |
| Serial_Number => 0, |
| Version => 0, |
| Error_Location => No_Location); |
| |
| -- Parse system.ads so that the checksum is set right |
| -- Style checks are not applied. |
| |
| Style_Check := False; |
| Initialize_Scanner (Units.Last, System_Source_File_Index); |
| Discard_List (Par (Configuration_Pragmas => False)); |
| Style_Check := Save_Style; |
| end Ensure_System_Dependency; |
| |
| --------------- |
| -- Write_ALI -- |
| --------------- |
| |
| procedure Write_ALI (Object : Boolean) is |
| |
| ---------------- |
| -- Local Data -- |
| ---------------- |
| |
| Last_Unit : constant Unit_Number_Type := Units.Last; |
| -- Record unit number of last unit. We capture this in case we |
| -- have to add a dummy entry to the unit table for package System. |
| |
| With_Flags : array (Units.First .. Last_Unit) of Boolean; |
| -- Array of flags to show which units are with'ed |
| |
| Elab_Flags : array (Units.First .. Last_Unit) of Boolean; |
| -- Array of flags to show which units have pragma Elaborate set |
| |
| Elab_All_Flags : array (Units.First .. Last_Unit) of Boolean; |
| -- Array of flags to show which units have pragma Elaborate All set |
| |
| Elab_Des_Flags : array (Units.First .. Last_Unit) of Boolean; |
| -- Array of flags to show which units have Elaborate_All_Desirable set |
| |
| Sdep_Table : Unit_Ref_Table (1 .. Pos (Last_Unit - Units.First + 2)); |
| -- Sorted table of source dependencies. One extra entry in case we |
| -- have to add a dummy entry for System. |
| |
| Num_Sdep : Nat := 0; |
| -- Number of active entries in Sdep_Table |
| |
| ----------------------- |
| -- Local Subprograms -- |
| ----------------------- |
| |
| procedure Collect_Withs (Cunit : Node_Id); |
| -- Collect with lines for entries in the context clause of the |
| -- given compilation unit, Cunit. |
| |
| procedure Update_Tables_From_ALI_File; |
| -- Given an up to date ALI file (see Up_To_Date_ALI_file_Exists |
| -- function), update tables from the ALI information, including |
| -- specifically the Compilation_Switches table. |
| |
| function Up_To_Date_ALI_File_Exists return Boolean; |
| -- If there exists an ALI file that is up to date, then this function |
| -- initializes the tables in the ALI spec to contain information on |
| -- this file (using Scan_ALI) and returns True. If no file exists, |
| -- or the file is not up to date, then False is returned. |
| |
| procedure Write_Unit_Information (Unit_Num : Unit_Number_Type); |
| -- Write out the library information for one unit for which code is |
| -- generated (includes unit line and with lines). |
| |
| procedure Write_With_Lines; |
| -- Write out with lines collected by calls to Collect_Withs |
| |
| ------------------- |
| -- Collect_Withs -- |
| ------------------- |
| |
| procedure Collect_Withs (Cunit : Node_Id) is |
| Item : Node_Id; |
| Unum : Unit_Number_Type; |
| |
| begin |
| Item := First (Context_Items (Cunit)); |
| while Present (Item) loop |
| |
| -- Ada0Y (AI-50217): limited with_clauses do not create |
| -- dependencies |
| |
| if Nkind (Item) = N_With_Clause |
| and then not (Limited_Present (Item)) |
| then |
| Unum := Get_Cunit_Unit_Number (Library_Unit (Item)); |
| With_Flags (Unum) := True; |
| |
| if Elaborate_Present (Item) then |
| Elab_Flags (Unum) := True; |
| end if; |
| |
| if Elaborate_All_Present (Item) then |
| Elab_All_Flags (Unum) := True; |
| end if; |
| |
| if Elaborate_All_Desirable (Cunit_Entity (Unum)) then |
| Elab_Des_Flags (Unum) := True; |
| end if; |
| end if; |
| |
| Next (Item); |
| end loop; |
| end Collect_Withs; |
| |
| -------------------------------- |
| -- Up_To_Date_ALI_File_Exists -- |
| -------------------------------- |
| |
| function Up_To_Date_ALI_File_Exists return Boolean is |
| Name : File_Name_Type; |
| Text : Text_Buffer_Ptr; |
| Id : Sdep_Id; |
| Sind : Source_File_Index; |
| |
| begin |
| Opt.Check_Object_Consistency := True; |
| Read_Library_Info (Name, Text); |
| |
| -- Return if we could not find an ALI file |
| |
| if Text = null then |
| return False; |
| end if; |
| |
| -- Return if ALI file has bad format |
| |
| Initialize_ALI; |
| |
| if Scan_ALI (Name, Text, False, Err => True) = No_ALI_Id then |
| return False; |
| end if; |
| |
| -- If we have an OK ALI file, check if it is up to date |
| -- Note that we assume that the ALI read has all the entries |
| -- we have in our table, plus some additional ones (that can |
| -- come from expansion). |
| |
| Id := First_Sdep_Entry; |
| for J in 1 .. Num_Sdep loop |
| Sind := Units.Table (Sdep_Table (J)).Source_Index; |
| |
| while Sdep.Table (Id).Sfile /= File_Name (Sind) loop |
| if Id = Sdep.Last then |
| return False; |
| else |
| Id := Id + 1; |
| end if; |
| end loop; |
| |
| if Sdep.Table (Id).Stamp /= Time_Stamp (Sind) then |
| return False; |
| end if; |
| end loop; |
| |
| return True; |
| end Up_To_Date_ALI_File_Exists; |
| |
| --------------------------------- |
| -- Update_Tables_From_ALI_File -- |
| --------------------------------- |
| |
| procedure Update_Tables_From_ALI_File is |
| begin |
| -- Build Compilation_Switches table |
| |
| Compilation_Switches.Init; |
| |
| for J in First_Arg_Entry .. Args.Last loop |
| Compilation_Switches.Increment_Last; |
| Compilation_Switches.Table (Compilation_Switches.Last) := |
| Args.Table (J); |
| end loop; |
| end Update_Tables_From_ALI_File; |
| |
| ---------------------------- |
| -- Write_Unit_Information -- |
| ---------------------------- |
| |
| procedure Write_Unit_Information (Unit_Num : Unit_Number_Type) is |
| Unode : constant Node_Id := Cunit (Unit_Num); |
| Ukind : constant Node_Kind := Nkind (Unit (Unode)); |
| Uent : constant Entity_Id := Cunit_Entity (Unit_Num); |
| Pnode : Node_Id; |
| |
| begin |
| Write_Info_Initiate ('U'); |
| Write_Info_Char (' '); |
| Write_Info_Name (Unit_Name (Unit_Num)); |
| Write_Info_Tab (25); |
| Write_Info_Name (Unit_File_Name (Unit_Num)); |
| |
| Write_Info_Tab (49); |
| Write_Info_Str (Version_Get (Unit_Num)); |
| |
| if (Is_Subprogram (Uent) |
| or else Ekind (Uent) = E_Package |
| or else Is_Generic_Unit (Uent)) |
| and then Body_Needed_For_SAL (Uent) |
| then |
| Write_Info_Str (" BN"); |
| end if; |
| |
| if Dynamic_Elab (Unit_Num) then |
| Write_Info_Str (" DE"); |
| end if; |
| |
| -- We set the Elaborate_Body indication if either an explicit pragma |
| -- was present, or if this is an instantiation. RM 12.3(20) requires |
| -- that the body be immediately elaborated after the spec. We would |
| -- normally do that anyway, but the EB we generate here ensures that |
| -- this gets done even when we use the -p gnatbind switch. |
| |
| if Has_Pragma_Elaborate_Body (Uent) |
| or else (Ukind = N_Package_Declaration |
| and then Is_Generic_Instance (Uent) |
| and then Present (Corresponding_Body (Unit (Unode)))) |
| then |
| Write_Info_Str (" EB"); |
| end if; |
| |
| -- Now see if we should tell the binder that an elaboration entity |
| -- is present, which must be reset to true during elaboration. We |
| -- generate the indication if the following condition is met: |
| |
| -- If this is a spec ... |
| |
| if (Is_Subprogram (Uent) |
| or else |
| Ekind (Uent) = E_Package |
| or else |
| Is_Generic_Unit (Uent)) |
| |
| -- and an elaboration entity was declared ... |
| |
| and then Present (Elaboration_Entity (Uent)) |
| |
| -- and either the elaboration flag is required ... |
| |
| and then |
| (Elaboration_Entity_Required (Uent) |
| |
| -- or this unit has elaboration code ... |
| |
| or else not Has_No_Elaboration_Code (Unode) |
| |
| -- or this unit has a separate body and this |
| -- body has elaboration code. |
| |
| or else |
| (Ekind (Uent) = E_Package |
| and then Present (Body_Entity (Uent)) |
| and then |
| not Has_No_Elaboration_Code |
| (Parent |
| (Declaration_Node |
| (Body_Entity (Uent)))))) |
| then |
| Write_Info_Str (" EE"); |
| end if; |
| |
| if Has_No_Elaboration_Code (Unode) then |
| Write_Info_Str (" NE"); |
| end if; |
| |
| if Is_Preelaborated (Uent) then |
| Write_Info_Str (" PR"); |
| end if; |
| |
| if Is_Pure (Uent) then |
| Write_Info_Str (" PU"); |
| end if; |
| |
| if Has_RACW (Unit_Num) then |
| Write_Info_Str (" RA"); |
| end if; |
| |
| if Is_Remote_Call_Interface (Uent) then |
| Write_Info_Str (" RC"); |
| end if; |
| |
| if Is_Remote_Types (Uent) then |
| Write_Info_Str (" RT"); |
| end if; |
| |
| if Is_Shared_Passive (Uent) then |
| Write_Info_Str (" SP"); |
| end if; |
| |
| if Ukind = N_Subprogram_Declaration |
| or else Ukind = N_Subprogram_Body |
| then |
| Write_Info_Str (" SU"); |
| |
| elsif Ukind = N_Package_Declaration |
| or else |
| Ukind = N_Package_Body |
| then |
| -- If this is a wrapper package for a subprogram instantiation, |
| -- the user view is the subprogram. Note that in this case the |
| -- ali file contains both the spec and body of the instance. |
| |
| if Is_Wrapper_Package (Uent) then |
| Write_Info_Str (" SU"); |
| else |
| Write_Info_Str (" PK"); |
| end if; |
| |
| elsif Ukind = N_Generic_Package_Declaration then |
| Write_Info_Str (" PK"); |
| |
| end if; |
| |
| if Ukind in N_Generic_Declaration |
| or else |
| (Present (Library_Unit (Unode)) |
| and then |
| Nkind (Unit (Library_Unit (Unode))) in N_Generic_Declaration) |
| then |
| Write_Info_Str (" GE"); |
| end if; |
| |
| if not Is_Internal_File_Name (Unit_File_Name (Unit_Num), True) then |
| case Identifier_Casing (Source_Index (Unit_Num)) is |
| when All_Lower_Case => Write_Info_Str (" IL"); |
| when All_Upper_Case => Write_Info_Str (" IU"); |
| when others => null; |
| end case; |
| |
| case Keyword_Casing (Source_Index (Unit_Num)) is |
| when Mixed_Case => Write_Info_Str (" KM"); |
| when All_Upper_Case => Write_Info_Str (" KU"); |
| when others => null; |
| end case; |
| end if; |
| |
| if Initialize_Scalars then |
| Write_Info_Str (" IS"); |
| end if; |
| |
| Write_Info_EOL; |
| |
| -- Generate with lines, first those that are directly with'ed |
| |
| for J in With_Flags'Range loop |
| With_Flags (J) := False; |
| Elab_Flags (J) := False; |
| Elab_All_Flags (J) := False; |
| Elab_Des_Flags (J) := False; |
| end loop; |
| |
| Collect_Withs (Unode); |
| |
| -- For a body, we must also check for any subunits which belong to |
| -- it and which have context clauses of their own, since these |
| -- with'ed units are part of its own elaboration dependencies. |
| |
| if Nkind (Unit (Unode)) in N_Unit_Body then |
| for S in Units.First .. Last_Unit loop |
| |
| -- We are only interested in subunits. |
| -- For preproc. data and def. files, Cunit is Empty, so |
| -- we need to test that first. |
| |
| if Cunit (S) /= Empty |
| and then Nkind (Unit (Cunit (S))) = N_Subunit |
| then |
| Pnode := Library_Unit (Cunit (S)); |
| |
| -- In gnatc mode, the errors in the subunits will not |
| -- have been recorded, but the analysis of the subunit |
| -- may have failed. There is no information to add to |
| -- ALI file in this case. |
| |
| if No (Pnode) then |
| exit; |
| end if; |
| |
| -- Find ultimate parent of the subunit |
| |
| while Nkind (Unit (Pnode)) = N_Subunit loop |
| Pnode := Library_Unit (Pnode); |
| end loop; |
| |
| -- See if it belongs to current unit, and if so, include |
| -- its with_clauses. |
| |
| if Pnode = Unode then |
| Collect_Withs (Cunit (S)); |
| end if; |
| end if; |
| end loop; |
| end if; |
| |
| Write_With_Lines; |
| |
| -- Output linker option lines |
| |
| for J in 1 .. Linker_Option_Lines.Last loop |
| declare |
| S : constant Linker_Option_Entry := |
| Linker_Option_Lines.Table (J); |
| C : Character; |
| |
| begin |
| if S.Unit = Unit_Num then |
| Write_Info_Initiate ('L'); |
| Write_Info_Str (" """); |
| |
| for J in 1 .. String_Length (S.Option) loop |
| C := Get_Character (Get_String_Char (S.Option, J)); |
| |
| if C in Character'Val (16#20#) .. Character'Val (16#7E#) |
| and then C /= '{' |
| then |
| Write_Info_Char (C); |
| |
| if C = '"' then |
| Write_Info_Char (C); |
| end if; |
| |
| else |
| declare |
| Hex : constant array (0 .. 15) of Character := |
| "0123456789ABCDEF"; |
| |
| begin |
| Write_Info_Char ('{'); |
| Write_Info_Char (Hex (Character'Pos (C) / 16)); |
| Write_Info_Char (Hex (Character'Pos (C) mod 16)); |
| Write_Info_Char ('}'); |
| end; |
| end if; |
| end loop; |
| |
| Write_Info_Char ('"'); |
| Write_Info_EOL; |
| end if; |
| end; |
| end loop; |
| end Write_Unit_Information; |
| |
| ---------------------- |
| -- Write_With_Lines -- |
| ---------------------- |
| |
| procedure Write_With_Lines is |
| With_Table : Unit_Ref_Table (1 .. Pos (Last_Unit - Units.First + 1)); |
| Num_Withs : Int := 0; |
| Unum : Unit_Number_Type; |
| Cunit : Node_Id; |
| Cunite : Entity_Id; |
| Uname : Unit_Name_Type; |
| Fname : File_Name_Type; |
| Pname : constant Unit_Name_Type := |
| Get_Parent_Spec_Name (Unit_Name (Main_Unit)); |
| Body_Fname : File_Name_Type; |
| |
| begin |
| -- Loop to build the with table. A with on the main unit itself |
| -- is ignored (AARM 10.2(14a)). Such a with-clause can occur if |
| -- the main unit is a subprogram with no spec, and a subunit of |
| -- it unecessarily withs the parent. |
| |
| for J in Units.First + 1 .. Last_Unit loop |
| |
| -- Add element to with table if it is with'ed or if it is the |
| -- parent spec of the main unit (case of main unit is a child |
| -- unit). The latter with is not needed for semantic purposes, |
| -- but is required by the binder for elaboration purposes. |
| -- For preproc. data and def. files, there is no Unit_Name, |
| -- check for that first. |
| |
| if Unit_Name (J) /= No_Name |
| and then (With_Flags (J) or else Unit_Name (J) = Pname) |
| and then Units.Table (J).Dependent_Unit |
| then |
| Num_Withs := Num_Withs + 1; |
| With_Table (Num_Withs) := J; |
| end if; |
| end loop; |
| |
| -- Sort and output the table |
| |
| Sort (With_Table (1 .. Num_Withs)); |
| |
| for J in 1 .. Num_Withs loop |
| Unum := With_Table (J); |
| Cunit := Units.Table (Unum).Cunit; |
| Cunite := Units.Table (Unum).Cunit_Entity; |
| Uname := Units.Table (Unum).Unit_Name; |
| Fname := Units.Table (Unum).Unit_File_Name; |
| |
| Write_Info_Initiate ('W'); |
| Write_Info_Char (' '); |
| Write_Info_Name (Uname); |
| |
| -- Now we need to figure out the names of the files that contain |
| -- the with'ed unit. These will usually be the files for the body, |
| -- except in the case of a package that has no body. |
| |
| if (Nkind (Unit (Cunit)) not in N_Generic_Declaration |
| and then |
| Nkind (Unit (Cunit)) not in N_Generic_Renaming_Declaration) |
| or else Generic_Separately_Compiled (Cunite) |
| then |
| Write_Info_Tab (25); |
| |
| if Is_Spec_Name (Uname) then |
| Body_Fname := |
| Get_File_Name (Get_Body_Name (Uname), Subunit => False); |
| else |
| Body_Fname := Get_File_Name (Uname, Subunit => False); |
| end if; |
| |
| -- A package is considered to have a body if it requires |
| -- a body or if a body is present in Ada 83 mode. |
| |
| if Body_Required (Cunit) |
| or else (Ada_83 |
| and then Full_Source_Name (Body_Fname) /= No_File) |
| then |
| Write_Info_Name (Body_Fname); |
| Write_Info_Tab (49); |
| Write_Info_Name (Lib_File_Name (Body_Fname)); |
| else |
| Write_Info_Name (Fname); |
| Write_Info_Tab (49); |
| Write_Info_Name (Lib_File_Name (Fname)); |
| end if; |
| |
| if Elab_Flags (Unum) then |
| Write_Info_Str (" E"); |
| end if; |
| |
| if Elab_All_Flags (Unum) then |
| Write_Info_Str (" EA"); |
| end if; |
| |
| if Elab_Des_Flags (Unum) then |
| Write_Info_Str (" ED"); |
| end if; |
| end if; |
| |
| Write_Info_EOL; |
| end loop; |
| end Write_With_Lines; |
| |
| -- Start of processing for Writ_ALI |
| |
| begin |
| -- We never write an ALI file if the original operating mode was |
| -- syntax-only (-gnats switch used in compiler invocation line) |
| |
| if Original_Operating_Mode = Check_Syntax then |
| return; |
| end if; |
| |
| -- Build sorted source dependency table. We do this right away, |
| -- because it is referenced by Up_To_Date_ALI_File_Exists. |
| |
| for Unum in Units.First .. Last_Unit loop |
| if Cunit_Entity (Unum) = Empty |
| or else not From_With_Type (Cunit_Entity (Unum)) |
| then |
| Num_Sdep := Num_Sdep + 1; |
| Sdep_Table (Num_Sdep) := Unum; |
| end if; |
| end loop; |
| |
| -- Sort the table so that the D lines are in order |
| |
| Lib.Sort (Sdep_Table (1 .. Num_Sdep)); |
| |
| -- If we are not generating code, and there is an up to date |
| -- ali file accessible, read it, and acquire the compilation |
| -- arguments from this file. |
| |
| if Operating_Mode /= Generate_Code then |
| if Up_To_Date_ALI_File_Exists then |
| Update_Tables_From_ALI_File; |
| return; |
| end if; |
| end if; |
| |
| -- Otherwise acquire compilation arguments and prepare to write |
| -- out a new ali file. |
| |
| Create_Output_Library_Info; |
| |
| -- Output version line |
| |
| Write_Info_Initiate ('V'); |
| Write_Info_Str (" """); |
| Write_Info_Str (Verbose_Library_Version); |
| Write_Info_Char ('"'); |
| |
| Write_Info_EOL; |
| |
| -- Output main program line if this is acceptable main program |
| |
| Output_Main_Program_Line : declare |
| U : Node_Id := Unit (Units.Table (Main_Unit).Cunit); |
| S : Node_Id; |
| |
| procedure M_Parameters; |
| -- Output parameters for main program line |
| |
| ------------------ |
| -- M_Parameters -- |
| ------------------ |
| |
| procedure M_Parameters is |
| begin |
| if Main_Priority (Main_Unit) /= Default_Main_Priority then |
| Write_Info_Char (' '); |
| Write_Info_Nat (Main_Priority (Main_Unit)); |
| end if; |
| |
| if Opt.Time_Slice_Set then |
| Write_Info_Str (" T="); |
| Write_Info_Nat (Opt.Time_Slice_Value); |
| end if; |
| |
| Write_Info_Str (" W="); |
| Write_Info_Char |
| (WC_Encoding_Letters (Wide_Character_Encoding_Method)); |
| |
| Write_Info_EOL; |
| end M_Parameters; |
| |
| -- Start of processing for Output_Main_Program_Line |
| |
| begin |
| if Nkind (U) = N_Subprogram_Body |
| or else (Nkind (U) = N_Package_Body |
| and then |
| (Nkind (Original_Node (U)) = N_Function_Instantiation |
| or else |
| Nkind (Original_Node (U)) = |
| N_Procedure_Instantiation)) |
| then |
| -- If the unit is a subprogram instance, the entity for the |
| -- subprogram is the alias of the visible entity, which is the |
| -- related instance of the wrapper package. We retrieve the |
| -- subprogram declaration of the desired entity. |
| |
| if Nkind (U) = N_Package_Body then |
| U := Parent (Parent ( |
| Alias (Related_Instance (Defining_Unit_Name |
| (Specification (Unit (Library_Unit (Parent (U))))))))); |
| end if; |
| |
| S := Specification (U); |
| |
| if not Present (Parameter_Specifications (S)) then |
| if Nkind (S) = N_Procedure_Specification then |
| Write_Info_Initiate ('M'); |
| Write_Info_Str (" P"); |
| M_Parameters; |
| |
| else |
| declare |
| Nam : Node_Id := Defining_Unit_Name (S); |
| |
| begin |
| -- If it is a child unit, get its simple name. |
| |
| if Nkind (Nam) = N_Defining_Program_Unit_Name then |
| Nam := Defining_Identifier (Nam); |
| end if; |
| |
| if Is_Integer_Type (Etype (Nam)) then |
| Write_Info_Initiate ('M'); |
| Write_Info_Str (" F"); |
| M_Parameters; |
| end if; |
| end; |
| end if; |
| end if; |
| end if; |
| end Output_Main_Program_Line; |
| |
| -- Write command argmument ('A') lines |
| |
| for A in 1 .. Compilation_Switches.Last loop |
| Write_Info_Initiate ('A'); |
| Write_Info_Char (' '); |
| Write_Info_Str (Compilation_Switches.Table (A).all); |
| Write_Info_Terminate; |
| end loop; |
| |
| -- Output parameters ('P') line |
| |
| Write_Info_Initiate ('P'); |
| |
| if Compilation_Errors then |
| Write_Info_Str (" CE"); |
| end if; |
| |
| if Opt.Float_Format /= ' ' then |
| Write_Info_Str (" F"); |
| |
| if Opt.Float_Format = 'I' then |
| Write_Info_Char ('I'); |
| |
| elsif Opt.Float_Format_Long = 'D' then |
| Write_Info_Char ('D'); |
| |
| else |
| Write_Info_Char ('G'); |
| end if; |
| end if; |
| |
| if Tasking_Used |
| and then not Is_Predefined_File_Name (Unit_File_Name (Main_Unit)) |
| then |
| if Locking_Policy /= ' ' then |
| Write_Info_Str (" L"); |
| Write_Info_Char (Locking_Policy); |
| end if; |
| |
| if Queuing_Policy /= ' ' then |
| Write_Info_Str (" Q"); |
| Write_Info_Char (Queuing_Policy); |
| end if; |
| |
| if Task_Dispatching_Policy /= ' ' then |
| Write_Info_Str (" T"); |
| Write_Info_Char (Task_Dispatching_Policy); |
| Write_Info_Char (' '); |
| end if; |
| end if; |
| |
| if not Object then |
| Write_Info_Str (" NO"); |
| end if; |
| |
| if No_Run_Time_Mode then |
| Write_Info_Str (" NR"); |
| end if; |
| |
| if Normalize_Scalars then |
| Write_Info_Str (" NS"); |
| end if; |
| |
| if Sec_Stack_Used then |
| Write_Info_Str (" SS"); |
| end if; |
| |
| if Unreserve_All_Interrupts then |
| Write_Info_Str (" UA"); |
| end if; |
| |
| if Exception_Mechanism /= Front_End_Setjmp_Longjmp_Exceptions then |
| if Unit_Exception_Table_Present then |
| Write_Info_Str (" UX"); |
| end if; |
| |
| Write_Info_Str (" ZX"); |
| end if; |
| |
| Write_Info_EOL; |
| |
| -- Before outputting the restrictions line, update the setting of |
| -- the No_Elaboration_Code flag. Violations of this restriction |
| -- cannot be detected until after the backend has been called since |
| -- it is the backend that sets this flag. We have to check all units |
| -- for which we have generated code |
| |
| for Unit in Units.First .. Last_Unit loop |
| if Units.Table (Unit).Generate_Code |
| or else Unit = Main_Unit |
| then |
| if not Has_No_Elaboration_Code (Cunit (Unit)) then |
| Violations (No_ELaboration_Code) := True; |
| end if; |
| end if; |
| end loop; |
| |
| -- Output restrictions line |
| |
| Write_Info_Initiate ('R'); |
| Write_Info_Char (' '); |
| |
| for J in All_Restrictions loop |
| if Main_Restrictions (J) then |
| Write_Info_Char ('r'); |
| elsif Violations (J) then |
| Write_Info_Char ('v'); |
| else |
| Write_Info_Char ('n'); |
| end if; |
| end loop; |
| |
| Write_Info_EOL; |
| |
| -- Output interrupt state lines |
| |
| for J in Interrupt_States.First .. Interrupt_States.Last loop |
| Write_Info_Initiate ('I'); |
| Write_Info_Char (' '); |
| Write_Info_Nat (Interrupt_States.Table (J).Interrupt_Number); |
| Write_Info_Char (' '); |
| Write_Info_Char (Interrupt_States.Table (J).Interrupt_State); |
| Write_Info_Char (' '); |
| Write_Info_Nat |
| (Nat (Get_Logical_Line_Number |
| (Interrupt_States.Table (J).Pragma_Loc))); |
| Write_Info_EOL; |
| end loop; |
| |
| -- Loop through file table to output information for all units for which |
| -- we have generated code, as marked by the Generate_Code flag. |
| |
| for Unit in Units.First .. Last_Unit loop |
| if Units.Table (Unit).Generate_Code |
| or else Unit = Main_Unit |
| then |
| Write_Info_EOL; -- blank line |
| Write_Unit_Information (Unit); |
| end if; |
| end loop; |
| |
| Write_Info_EOL; -- blank line |
| |
| -- Output external version reference lines |
| |
| for J in 1 .. Version_Ref.Last loop |
| Write_Info_Initiate ('E'); |
| Write_Info_Char (' '); |
| |
| for K in 1 .. String_Length (Version_Ref.Table (J)) loop |
| Write_Info_Char_Code (Get_String_Char (Version_Ref.Table (J), K)); |
| end loop; |
| |
| Write_Info_EOL; |
| end loop; |
| |
| -- Prepare to output the source dependency lines |
| |
| declare |
| Unum : Unit_Number_Type; |
| -- Number of unit being output |
| |
| Sind : Source_File_Index; |
| -- Index of corresponding source file |
| |
| begin |
| for J in 1 .. Num_Sdep loop |
| Unum := Sdep_Table (J); |
| Units.Table (Unum).Dependency_Num := J; |
| Sind := Units.Table (Unum).Source_Index; |
| |
| Write_Info_Initiate ('D'); |
| Write_Info_Char (' '); |
| |
| -- Normal case of a dependent unit entry with a source index |
| |
| if Sind /= No_Source_File |
| and then Units.Table (Unum).Dependent_Unit |
| then |
| Write_Info_Name (File_Name (Sind)); |
| Write_Info_Tab (25); |
| Write_Info_Str (String (Time_Stamp (Sind))); |
| Write_Info_Char (' '); |
| Write_Info_Str (Get_Hex_String (Source_Checksum (Sind))); |
| |
| -- If subunit, add unit name, omitting the %b at the end |
| |
| if Present (Cunit (Unum)) |
| and then Nkind (Unit (Cunit (Unum))) = N_Subunit |
| then |
| Get_Decoded_Name_String (Unit_Name (Unum)); |
| Write_Info_Char (' '); |
| Write_Info_Str (Name_Buffer (1 .. Name_Len - 2)); |
| end if; |
| |
| -- If Source_Reference pragma used output information |
| |
| if Num_SRef_Pragmas (Sind) > 0 then |
| Write_Info_Char (' '); |
| |
| if Num_SRef_Pragmas (Sind) = 1 then |
| Write_Info_Nat (Int (First_Mapped_Line (Sind))); |
| else |
| Write_Info_Nat (0); |
| end if; |
| |
| Write_Info_Char (':'); |
| Write_Info_Name (Reference_Name (Sind)); |
| end if; |
| |
| -- Case where there is no source index (happens for missing files) |
| -- Also come here for non-dependent units. |
| |
| else |
| Write_Info_Name (Unit_File_Name (Unum)); |
| Write_Info_Tab (25); |
| Write_Info_Str (String (Dummy_Time_Stamp)); |
| Write_Info_Char (' '); |
| Write_Info_Str (Get_Hex_String (0)); |
| end if; |
| |
| Write_Info_EOL; |
| end loop; |
| end; |
| |
| Output_References; |
| Write_Info_Terminate; |
| Close_Output_Library_Info; |
| |
| end Write_ALI; |
| |
| end Lib.Writ; |