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Diffstat (limited to 'gcc-4.3.1/gcc/ada/gnatcmd.adb')
-rw-r--r-- | gcc-4.3.1/gcc/ada/gnatcmd.adb | 2421 |
1 files changed, 2421 insertions, 0 deletions
diff --git a/gcc-4.3.1/gcc/ada/gnatcmd.adb b/gcc-4.3.1/gcc/ada/gnatcmd.adb new file mode 100644 index 000000000..c664338ae --- /dev/null +++ b/gcc-4.3.1/gcc/ada/gnatcmd.adb @@ -0,0 +1,2421 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT COMPILER COMPONENTS -- +-- -- +-- G N A T C M D -- +-- -- +-- B o d y -- +-- -- +-- Copyright (C) 1996-2007, 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 3, 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 COPYING3. If not, go to -- +-- http://www.gnu.org/licenses for a complete copy of the license. -- +-- -- +-- GNAT was originally developed by the GNAT team at New York University. -- +-- Extensive contributions were provided by Ada Core Technologies Inc. -- +-- -- +------------------------------------------------------------------------------ + +with GNAT.Directory_Operations; use GNAT.Directory_Operations; + +with Csets; +with MLib.Tgt; use MLib.Tgt; +with MLib.Utl; +with MLib.Fil; +with Namet; use Namet; +with Opt; use Opt; +with Osint; use Osint; +with Output; +with Prj; use Prj; +with Prj.Env; +with Prj.Ext; use Prj.Ext; +with Prj.Pars; +with Prj.Util; use Prj.Util; +with Sinput.P; +with Snames; use Snames; +with Table; +with Tempdir; +with Types; use Types; +with Hostparm; use Hostparm; +-- Used to determine if we are in VMS or not for error message purposes + +with Ada.Characters.Handling; use Ada.Characters.Handling; +with Ada.Command_Line; use Ada.Command_Line; +with Ada.Text_IO; use Ada.Text_IO; + +with GNAT.OS_Lib; use GNAT.OS_Lib; + +with VMS_Conv; use VMS_Conv; + +procedure GNATCmd is + Project_Tree : constant Project_Tree_Ref := new Project_Tree_Data; + Project_File : String_Access; + Project : Prj.Project_Id; + Current_Verbosity : Prj.Verbosity := Prj.Default; + Tool_Package_Name : Name_Id := No_Name; + + B_Start : String_Ptr := new String'("b~"); + -- Prefix of binder generated file, changed to b__ for VMS + + Old_Project_File_Used : Boolean := False; + -- This flag indicates a switch -p (for gnatxref and gnatfind) for + -- an old fashioned project file. -p cannot be used in conjonction + -- with -P. + + Max_Files_On_The_Command_Line : constant := 30; -- Arbitrary + + Temp_File_Name : String_Access := null; + -- The name of the temporary text file to put a list of source/object + -- files to pass to a tool, when there are more than + -- Max_Files_On_The_Command_Line files. + + ASIS_Main : String_Access := null; + -- Main for commands Check, Metric and Pretty, when -U is used + + package First_Switches is new Table.Table + (Table_Component_Type => String_Access, + Table_Index_Type => Integer, + Table_Low_Bound => 1, + Table_Initial => 20, + Table_Increment => 100, + Table_Name => "Gnatcmd.First_Switches"); + -- A table to keep the switches from the project file + + package Carg_Switches is new Table.Table + (Table_Component_Type => String_Access, + Table_Index_Type => Integer, + Table_Low_Bound => 1, + Table_Initial => 20, + Table_Increment => 100, + Table_Name => "Gnatcmd.Carg_Switches"); + -- A table to keep the switches following -cargs for ASIS tools + + package Rules_Switches is new Table.Table + (Table_Component_Type => String_Access, + Table_Index_Type => Integer, + Table_Low_Bound => 1, + Table_Initial => 20, + Table_Increment => 100, + Table_Name => "Gnatcmd.Rules_Switches"); + -- A table to keep the switches following -rules for gnatcheck + + package Library_Paths is new Table.Table ( + Table_Component_Type => String_Access, + Table_Index_Type => Integer, + Table_Low_Bound => 1, + Table_Initial => 20, + Table_Increment => 100, + Table_Name => "Make.Library_Path"); + + -- Packages of project files to pass to Prj.Pars.Parse, depending on the + -- tool. We allocate objects because we cannot declare aliased objects + -- as we are in a procedure, not a library level package. + + Naming_String : constant String_Access := new String'("naming"); + Binder_String : constant String_Access := new String'("binder"); + Compiler_String : constant String_Access := new String'("compiler"); + Check_String : constant String_Access := new String'("check"); + Eliminate_String : constant String_Access := new String'("eliminate"); + Finder_String : constant String_Access := new String'("finder"); + Linker_String : constant String_Access := new String'("linker"); + Gnatls_String : constant String_Access := new String'("gnatls"); + Pretty_String : constant String_Access := new String'("pretty_printer"); + Stack_String : constant String_Access := new String'("stack"); + Gnatstub_String : constant String_Access := new String'("gnatstub"); + Metric_String : constant String_Access := new String'("metrics"); + Xref_String : constant String_Access := new String'("cross_reference"); + + Packages_To_Check_By_Binder : constant String_List_Access := + new String_List'((Naming_String, Binder_String)); + + Packages_To_Check_By_Check : constant String_List_Access := + new String_List'((Naming_String, Check_String, Compiler_String)); + + Packages_To_Check_By_Eliminate : constant String_List_Access := + new String_List'((Naming_String, Eliminate_String, Compiler_String)); + + Packages_To_Check_By_Finder : constant String_List_Access := + new String_List'((Naming_String, Finder_String)); + + Packages_To_Check_By_Linker : constant String_List_Access := + new String_List'((Naming_String, Linker_String)); + + Packages_To_Check_By_Gnatls : constant String_List_Access := + new String_List'((Naming_String, Gnatls_String)); + + Packages_To_Check_By_Pretty : constant String_List_Access := + new String_List'((Naming_String, Pretty_String, Compiler_String)); + + Packages_To_Check_By_Stack : constant String_List_Access := + new String_List'((Naming_String, Stack_String)); + + Packages_To_Check_By_Gnatstub : constant String_List_Access := + new String_List'((Naming_String, Gnatstub_String, Compiler_String)); + + Packages_To_Check_By_Metric : constant String_List_Access := + new String_List'((Naming_String, Metric_String, Compiler_String)); + + Packages_To_Check_By_Xref : constant String_List_Access := + new String_List'((Naming_String, Xref_String)); + + Packages_To_Check : String_List_Access := Prj.All_Packages; + + ---------------------------------- + -- Declarations for GNATCMD use -- + ---------------------------------- + + The_Command : Command_Type; + -- The command specified in the invocation of the GNAT driver + + Command_Arg : Positive := 1; + -- The index of the command in the arguments of the GNAT driver + + My_Exit_Status : Exit_Status := Success; + -- The exit status of the spawned tool. Used to set the correct VMS + -- exit status. + + Current_Work_Dir : constant String := Get_Current_Dir; + -- The path of the working directory + + All_Projects : Boolean := False; + -- Flag used for GNAT CHECK, GNAT PRETTY, GNAT METRIC, and GNAT STACK to + -- indicate that the underlying tool (gnatcheck, gnatpp or gnatmetric) + -- should be invoked for all sources of all projects. + + ----------------------- + -- Local Subprograms -- + ----------------------- + + procedure Add_To_Carg_Switches (Switch : String_Access); + -- Add a switch to the Carg_Switches table. If it is the first one, put the + -- switch "-cargs" at the beginning of the table. + + procedure Add_To_Rules_Switches (Switch : String_Access); + -- Add a switch to the Rules_Switches table. If it is the first one, put + -- the switch "-crules" at the beginning of the table. + + procedure Check_Files; + -- For GNAT LIST, GNAT PRETTY, GNAT METRIC, and GNAT STACK, check if a + -- project file is specified, without any file arguments. If it is the + -- case, invoke the GNAT tool with the proper list of files, derived from + -- the sources of the project. + + function Check_Project + (Project : Project_Id; + Root_Project : Project_Id) return Boolean; + -- Returns True if Project = Root_Project or if we want to consider all + -- sources of all projects. For GNAT METRIC, also returns True if Project + -- is extended by Root_Project. + + procedure Check_Relative_Executable (Name : in out String_Access); + -- Check if an executable is specified as a relative path. If it is, and + -- the path contains directory information, fail. Otherwise, prepend the + -- exec directory. This procedure is only used for GNAT LINK when a project + -- file is specified. + + function Configuration_Pragmas_File return Path_Name_Type; + -- Return an argument, if there is a configuration pragmas file to be + -- specified for Project, otherwise return No_Name. Used for gnatstub (GNAT + -- STUB), gnatpp (GNAT PRETTY), gnatelim (GNAT ELIM), and gnatmetric (GNAT + -- METRIC). + + procedure Delete_Temp_Config_Files; + -- Delete all temporary config files + + procedure Get_Closure; + -- Get the sources in the closure of the ASIS_Main and add them to the + -- list of arguments. + + function Index (Char : Character; Str : String) return Natural; + -- Returns first occurrence of Char in Str, returns 0 if Char not in Str + + procedure Non_VMS_Usage; + -- Display usage for platforms other than VMS + + procedure Process_Link; + -- Process GNAT LINK, when there is a project file specified + + procedure Set_Library_For + (Project : Project_Id; + There_Are_Libraries : in out Boolean); + -- If Project is a library project, add the correct -L and -l switches to + -- the linker invocation. + + procedure Set_Libraries is + new For_Every_Project_Imported (Boolean, Set_Library_For); + -- Add the -L and -l switches to the linker for all of the library + -- projects. + + procedure Test_If_Relative_Path + (Switch : in out String_Access; + Parent : String); + -- Test if Switch is a relative search path switch. If it is and it + -- includes directory information, prepend the path with Parent. This + -- subprogram is only called when using project files. + + -------------------------- + -- Add_To_Carg_Switches -- + -------------------------- + + procedure Add_To_Carg_Switches (Switch : String_Access) is + begin + -- If the Carg_Switches table is empty, put "-cargs" at the beginning + + if Carg_Switches.Last = 0 then + Carg_Switches.Increment_Last; + Carg_Switches.Table (Carg_Switches.Last) := new String'("-cargs"); + end if; + + Carg_Switches.Increment_Last; + Carg_Switches.Table (Carg_Switches.Last) := Switch; + end Add_To_Carg_Switches; + + --------------------------- + -- Add_To_Rules_Switches -- + --------------------------- + + procedure Add_To_Rules_Switches (Switch : String_Access) is + begin + -- If the Rules_Switches table is empty, put "-rules" at the beginning + + if Rules_Switches.Last = 0 then + Rules_Switches.Increment_Last; + Rules_Switches.Table (Rules_Switches.Last) := new String'("-rules"); + end if; + + Rules_Switches.Increment_Last; + Rules_Switches.Table (Rules_Switches.Last) := Switch; + end Add_To_Rules_Switches; + + ----------------- + -- Check_Files -- + ----------------- + + procedure Check_Files is + Add_Sources : Boolean := True; + Unit_Data : Prj.Unit_Data; + Subunit : Boolean := False; + + begin + -- Check if there is at least one argument that is not a switch + + for Index in 1 .. Last_Switches.Last loop + if Last_Switches.Table (Index) (1) /= '-' then + Add_Sources := False; + exit; + end if; + end loop; + + -- If all arguments were switches, add the path names of all the sources + -- of the main project. + + if Add_Sources then + declare + Current_Last : constant Integer := Last_Switches.Last; + begin + -- Gnatstack needs to add the the .ci file for the binder + -- generated files corresponding to all of the library projects + -- and main units belonging to the application. + + if The_Command = Stack then + for Proj in Project_Table.First .. + Project_Table.Last (Project_Tree.Projects) + loop + if Check_Project (Proj, Project) then + declare + Data : Project_Data renames + Project_Tree.Projects.Table (Proj); + Main : String_List_Id := Data.Mains; + File : String_Access; + + begin + -- Include binder generated files for main programs + + while Main /= Nil_String loop + File := + new String' + (Get_Name_String (Data.Object_Directory) & + Directory_Separator & + B_Start.all & + MLib.Fil.Ext_To + (Get_Name_String + (Project_Tree.String_Elements.Table + (Main).Value), + "ci")); + + if Is_Regular_File (File.all) then + Last_Switches.Increment_Last; + Last_Switches.Table (Last_Switches.Last) := File; + end if; + + Main := + Project_Tree.String_Elements.Table (Main).Next; + end loop; + + if Data.Library then + + -- Include the .ci file for the binder generated + -- files that contains the initialization and + -- finalization of the library. + + File := + new String' + (Get_Name_String (Data.Object_Directory) & + Directory_Separator & + B_Start.all & + Get_Name_String (Data.Library_Name) & + ".ci"); + + if Is_Regular_File (File.all) then + Last_Switches.Increment_Last; + Last_Switches.Table (Last_Switches.Last) := File; + end if; + end if; + end; + end if; + end loop; + end if; + + for Unit in Unit_Table.First .. + Unit_Table.Last (Project_Tree.Units) + loop + Unit_Data := Project_Tree.Units.Table (Unit); + + -- For gnatls, we only need to put the library units, body or + -- spec, but not the subunits. + + if The_Command = List then + if + Unit_Data.File_Names (Body_Part).Name /= No_File + and then + Unit_Data.File_Names (Body_Part).Path /= Slash + then + -- There is a body, check if it is for this project + + if All_Projects or else + Unit_Data.File_Names (Body_Part).Project = Project + then + Subunit := False; + + if + Unit_Data.File_Names (Specification).Name = No_File + or else + Unit_Data.File_Names (Specification).Path = Slash + then + -- We have a body with no spec: we need to check if + -- this is a subunit, because gnatls will complain + -- about subunits. + + declare + Src_Ind : Source_File_Index; + + begin + Src_Ind := Sinput.P.Load_Project_File + (Get_Name_String + (Unit_Data.File_Names + (Body_Part).Path)); + + Subunit := + Sinput.P.Source_File_Is_Subunit + (Src_Ind); + end; + end if; + + if not Subunit then + Last_Switches.Increment_Last; + Last_Switches.Table (Last_Switches.Last) := + new String' + (Get_Name_String + (Unit_Data.File_Names + (Body_Part).Display_Name)); + end if; + end if; + + elsif + Unit_Data.File_Names (Specification).Name /= No_File + and then + Unit_Data.File_Names (Specification).Path /= Slash + then + -- We have a spec with no body; check if it is for this + -- project. + + if All_Projects or else + Unit_Data.File_Names (Specification).Project = Project + then + Last_Switches.Increment_Last; + Last_Switches.Table (Last_Switches.Last) := + new String' + (Get_Name_String + (Unit_Data.File_Names + (Specification).Display_Name)); + end if; + end if; + + -- For gnatstack, we put the .ci files corresponding to the + -- different units, including the binder generated files. We + -- only need to do that for the library units, body or spec, + -- but not the subunits. + + elsif The_Command = Stack then + if + Unit_Data.File_Names (Body_Part).Name /= No_File + and then + Unit_Data.File_Names (Body_Part).Path /= Slash + then + -- There is a body. Check if .ci files for this project + -- must be added. + + if + Check_Project + (Unit_Data.File_Names (Body_Part).Project, Project) + then + Subunit := False; + + if + Unit_Data.File_Names (Specification).Name = No_File + or else + Unit_Data.File_Names (Specification).Path = Slash + then + -- We have a body with no spec: we need to check + -- if this is a subunit, because .ci files are not + -- generated for subunits. + + declare + Src_Ind : Source_File_Index; + + begin + Src_Ind := Sinput.P.Load_Project_File + (Get_Name_String + (Unit_Data.File_Names (Body_Part).Path)); + + Subunit := + Sinput.P.Source_File_Is_Subunit (Src_Ind); + end; + end if; + + if not Subunit then + Last_Switches.Increment_Last; + Last_Switches.Table (Last_Switches.Last) := + new String' + (Get_Name_String + (Project_Tree.Projects.Table + (Unit_Data.File_Names + (Body_Part).Project). + Object_Directory) & + Directory_Separator & + MLib.Fil.Ext_To + (Get_Name_String + (Unit_Data.File_Names + (Body_Part).Display_Name), + "ci")); + end if; + end if; + + elsif + Unit_Data.File_Names (Specification).Name /= No_File + and then + Unit_Data.File_Names (Specification).Path /= Slash + then + -- We have a spec with no body. Check if it is for this + -- project. + + if + Check_Project + (Unit_Data.File_Names (Specification).Project, + Project) + then + Last_Switches.Increment_Last; + Last_Switches.Table (Last_Switches.Last) := + new String' + (Get_Name_String + (Project_Tree.Projects.Table + (Unit_Data.File_Names + (Specification).Project). + Object_Directory) & + Dir_Separator & + MLib.Fil.Ext_To + (Get_Name_String + (Unit_Data.File_Names + (Specification).Name), + "ci")); + end if; + end if; + + else + -- For gnatcheck, gnatpp and gnatmetric, put all sources + -- of the project, or of all projects if -U was specified. + + for Kind in Spec_Or_Body loop + if Check_Project + (Unit_Data.File_Names (Kind).Project, Project) + and then Unit_Data.File_Names (Kind).Name /= No_File + and then Unit_Data.File_Names (Kind).Path /= Slash + then + Last_Switches.Increment_Last; + Last_Switches.Table (Last_Switches.Last) := + new String' + (Get_Name_String + (Unit_Data.File_Names + (Kind).Display_Path)); + end if; + end loop; + end if; + end loop; + + -- If the list of files is too long, create a temporary text file + -- that lists these files, and pass this temp file to gnatcheck, + -- gnatpp or gnatmetric using switch -files=. + + if Last_Switches.Last - Current_Last > + Max_Files_On_The_Command_Line + then + declare + Temp_File_FD : File_Descriptor; + Buffer : String (1 .. 1_000); + Len : Natural; + OK : Boolean := True; + + begin + Create_Temp_File (Temp_File_FD, Temp_File_Name); + + if Temp_File_Name /= null then + for Index in Current_Last + 1 .. + Last_Switches.Last + loop + Len := Last_Switches.Table (Index)'Length; + Buffer (1 .. Len) := Last_Switches.Table (Index).all; + Len := Len + 1; + Buffer (Len) := ASCII.LF; + Buffer (Len + 1) := ASCII.NUL; + OK := + Write (Temp_File_FD, + Buffer (1)'Address, + Len) = Len; + exit when not OK; + end loop; + + if OK then + Close (Temp_File_FD, OK); + else + Close (Temp_File_FD, OK); + OK := False; + end if; + + -- If there were any problem creating the temp file, then + -- pass the list of files. + + if OK then + + -- Replace list of files with -files=<temp file name> + + Last_Switches.Set_Last (Current_Last + 1); + Last_Switches.Table (Last_Switches.Last) := + new String'("-files=" & Temp_File_Name.all); + end if; + end if; + end; + end if; + end; + end if; + end Check_Files; + + ------------------- + -- Check_Project -- + ------------------- + + function Check_Project + (Project : Project_Id; + Root_Project : Project_Id) return Boolean + is + begin + if Project = No_Project then + return False; + + elsif All_Projects or Project = Root_Project then + return True; + + elsif The_Command = Metric then + declare + Data : Project_Data; + + begin + Data := Project_Tree.Projects.Table (Root_Project); + while Data.Extends /= No_Project loop + if Project = Data.Extends then + return True; + end if; + + Data := Project_Tree.Projects.Table (Data.Extends); + end loop; + end; + end if; + + return False; + end Check_Project; + + ------------------------------- + -- Check_Relative_Executable -- + ------------------------------- + + procedure Check_Relative_Executable (Name : in out String_Access) is + Exec_File_Name : constant String := Name.all; + + begin + if not Is_Absolute_Path (Exec_File_Name) then + for Index in Exec_File_Name'Range loop + if Exec_File_Name (Index) = Directory_Separator then + Fail ("relative executable (""" & + Exec_File_Name & + """) with directory part not allowed " & + "when using project files"); + end if; + end loop; + + Get_Name_String (Project_Tree.Projects.Table + (Project).Exec_Directory); + + if Name_Buffer (Name_Len) /= Directory_Separator then + Name_Len := Name_Len + 1; + Name_Buffer (Name_Len) := Directory_Separator; + end if; + + Name_Buffer (Name_Len + 1 .. + Name_Len + Exec_File_Name'Length) := + Exec_File_Name; + Name_Len := Name_Len + Exec_File_Name'Length; + Name := new String'(Name_Buffer (1 .. Name_Len)); + end if; + end Check_Relative_Executable; + + -------------------------------- + -- Configuration_Pragmas_File -- + -------------------------------- + + function Configuration_Pragmas_File return Path_Name_Type is + begin + Prj.Env.Create_Config_Pragmas_File + (Project, Project, Project_Tree, Include_Config_Files => False); + return Project_Tree.Projects.Table (Project).Config_File_Name; + end Configuration_Pragmas_File; + + ------------------------------ + -- Delete_Temp_Config_Files -- + ------------------------------ + + procedure Delete_Temp_Config_Files is + Success : Boolean; + pragma Warnings (Off, Success); + + begin + if not Keep_Temporary_Files then + if Project /= No_Project then + for Prj in Project_Table.First .. + Project_Table.Last (Project_Tree.Projects) + loop + if + Project_Tree.Projects.Table (Prj).Config_File_Temp + then + if Verbose_Mode then + Output.Write_Str ("Deleting temp configuration file """); + Output.Write_Str + (Get_Name_String + (Project_Tree.Projects.Table + (Prj).Config_File_Name)); + Output.Write_Line (""""); + end if; + + Delete_File + (Name => Get_Name_String + (Project_Tree.Projects.Table + (Prj).Config_File_Name), + Success => Success); + end if; + end loop; + end if; + + -- If a temporary text file that contains a list of files for a tool + -- has been created, delete this temporary file. + + if Temp_File_Name /= null then + Delete_File (Temp_File_Name.all, Success); + end if; + end if; + end Delete_Temp_Config_Files; + + ----------------- + -- Get_Closure -- + ----------------- + + procedure Get_Closure is + Args : constant Argument_List := + (1 => new String'("-q"), + 2 => new String'("-b"), + 3 => new String'("-P"), + 4 => Project_File, + 5 => ASIS_Main, + 6 => new String'("-bargs"), + 7 => new String'("-R"), + 8 => new String'("-Z")); + -- Arguments of the invocation of gnatmake to get the list of + + FD : File_Descriptor; + -- File descriptor for the temp file that will get the output of the + -- invocation of gnatmake. + + Name : Path_Name_Type; + -- Path of the file FD + + GN_Name : constant String := Program_Name ("gnatmake").all; + -- Name for gnatmake + + GN_Path : constant String_Access := Locate_Exec_On_Path (GN_Name); + -- Path of gnatmake + + Return_Code : Integer; + + Unused : Boolean; + pragma Warnings (Off, Unused); + + File : Ada.Text_IO.File_Type; + Line : String (1 .. 250); + Last : Natural; + + Udata : Unit_Data; + Path : Path_Name_Type; + + begin + if GN_Path = null then + Put_Line (Standard_Error, "could not locate " & GN_Name); + raise Error_Exit; + end if; + + -- Create the temp file + + Tempdir.Create_Temp_File (FD, Name); + + -- And close it, because on VMS Spawn with a file descriptor created + -- with Create_Temp_File does not redirect output. + + Close (FD); + + -- Spawn "gnatmake -q -b -P <project> <main> -bargs -R -Z" + + Spawn + (Program_Name => GN_Path.all, + Args => Args, + Output_File => Get_Name_String (Name), + Success => Unused, + Return_Code => Return_Code, + Err_To_Out => True); + + Close (FD); + + -- Read the output of the invocation of gnatmake + + Open (File, In_File, Get_Name_String (Name)); + + -- If it was unsuccessful, display the first line in the file and exit + -- with error. + + if Return_Code /= 0 then + Get_Line (File, Line, Last); + + if not Keep_Temporary_Files then + Delete (File); + else + Close (File); + end if; + + Put_Line (Standard_Error, Line (1 .. Last)); + Put_Line + (Standard_Error, "could not get closure of " & ASIS_Main.all); + raise Error_Exit; + + else + -- Get each file name in the file, find its path and add it the the + -- list of arguments. + + while not End_Of_File (File) loop + Get_Line (File, Line, Last); + Path := No_Path; + + for Unit in Unit_Table.First .. + Unit_Table.Last (Project_Tree.Units) + loop + Udata := Project_Tree.Units.Table (Unit); + + if Udata.File_Names (Specification).Name /= No_File + and then + Get_Name_String (Udata.File_Names (Specification).Name) = + Line (1 .. Last) + then + Path := Udata.File_Names (Specification).Path; + exit; + + elsif Udata.File_Names (Body_Part).Name /= No_File + and then + Get_Name_String (Udata.File_Names (Body_Part).Name) = + Line (1 .. Last) + then + Path := Udata.File_Names (Body_Part).Path; + exit; + end if; + end loop; + + Last_Switches.Increment_Last; + + if Path /= No_Path then + Last_Switches.Table (Last_Switches.Last) := + new String'(Get_Name_String (Path)); + + else + Last_Switches.Table (Last_Switches.Last) := + new String'(Line (1 .. Last)); + end if; + end loop; + + if not Keep_Temporary_Files then + Delete (File); + + else + Close (File); + end if; + end if; + end Get_Closure; + + ----------- + -- Index -- + ----------- + + function Index (Char : Character; Str : String) return Natural is + begin + for Index in Str'Range loop + if Str (Index) = Char then + return Index; + end if; + end loop; + + return 0; + end Index; + + ------------------ + -- Process_Link -- + ------------------ + + procedure Process_Link is + Look_For_Executable : Boolean := True; + There_Are_Libraries : Boolean := False; + Path_Option : constant String_Access := + MLib.Linker_Library_Path_Option; + Prj : Project_Id := Project; + Arg : String_Access; + Last : Natural := 0; + Skip_Executable : Boolean := False; + + begin + -- Add the default search directories, to be able to find + -- libgnat in call to MLib.Utl.Lib_Directory. + + Add_Default_Search_Dirs; + + Library_Paths.Set_Last (0); + + -- Check if there are library project files + + if MLib.Tgt.Support_For_Libraries /= None then + Set_Libraries (Project, Project_Tree, There_Are_Libraries); + end if; + + -- If there are, add the necessary additional switches + + if There_Are_Libraries then + + -- Add -L<lib_dir> -lgnarl -lgnat -Wl,-rpath,<lib_dir> + + Last_Switches.Increment_Last; + Last_Switches.Table (Last_Switches.Last) := + new String'("-L" & MLib.Utl.Lib_Directory); + Last_Switches.Increment_Last; + Last_Switches.Table (Last_Switches.Last) := + new String'("-lgnarl"); + Last_Switches.Increment_Last; + Last_Switches.Table (Last_Switches.Last) := + new String'("-lgnat"); + + -- If Path_Option is not null, create the switch ("-Wl,-rpath," or + -- equivalent) with all the library dirs plus the standard GNAT + -- library dir. + + if Path_Option /= null then + declare + Option : String_Access; + Length : Natural := Path_Option'Length; + Current : Natural; + + begin + -- First, compute the exact length for the switch + + for Index in + Library_Paths.First .. Library_Paths.Last + loop + -- Add the length of the library dir plus one for the + -- directory separator. + + Length := + Length + + Library_Paths.Table (Index)'Length + 1; + end loop; + + -- Finally, add the length of the standard GNAT library dir + + Length := Length + MLib.Utl.Lib_Directory'Length; + Option := new String (1 .. Length); + Option (1 .. Path_Option'Length) := Path_Option.all; + Current := Path_Option'Length; + + -- Put each library dir followed by a dir separator + + for Index in + Library_Paths.First .. Library_Paths.Last + loop + Option + (Current + 1 .. + Current + + Library_Paths.Table (Index)'Length) := + Library_Paths.Table (Index).all; + Current := + Current + + Library_Paths.Table (Index)'Length + 1; + Option (Current) := Path_Separator; + end loop; + + -- Finally put the standard GNAT library dir + + Option + (Current + 1 .. + Current + MLib.Utl.Lib_Directory'Length) := + MLib.Utl.Lib_Directory; + + -- And add the switch to the last switches + + Last_Switches.Increment_Last; + Last_Switches.Table (Last_Switches.Last) := + Option; + end; + end if; + end if; + + -- Check if the first ALI file specified can be found, either in the + -- object directory of the main project or in an object directory of a + -- project file extended by the main project. If the ALI file can be + -- found, replace its name with its absolute path. + + Skip_Executable := False; + + Switch_Loop : for J in 1 .. Last_Switches.Last loop + + -- If we have an executable just reset the flag + + if Skip_Executable then + Skip_Executable := False; + + -- If -o, set flag so that next switch is not processed + + elsif Last_Switches.Table (J).all = "-o" then + Skip_Executable := True; + + -- Normal case + + else + declare + Switch : constant String := + Last_Switches.Table (J).all; + + ALI_File : constant String (1 .. Switch'Length + 4) := + Switch & ".ali"; + + Test_Existence : Boolean := False; + + begin + Last := Switch'Length; + + -- Skip real switches + + if Switch'Length /= 0 + and then Switch (Switch'First) /= '-' + then + -- Append ".ali" if file name does not end with it + + if Switch'Length <= 4 + or else Switch (Switch'Last - 3 .. Switch'Last) + /= ".ali" + then + Last := ALI_File'Last; + end if; + + -- If file name includes directory information, stop if ALI + -- file exists. + + if Is_Absolute_Path (ALI_File (1 .. Last)) then + Test_Existence := True; + + else + for K in Switch'Range loop + if Switch (K) = '/' or else + Switch (K) = Directory_Separator + then + Test_Existence := True; + exit; + end if; + end loop; + end if; + + if Test_Existence then + if Is_Regular_File (ALI_File (1 .. Last)) then + exit Switch_Loop; + end if; + + -- Look in object directories if ALI file exists + + else + Project_Loop : loop + declare + Dir : constant String := + Get_Name_String + (Project_Tree.Projects.Table + (Prj).Object_Directory); + begin + if Is_Regular_File + (Dir & + Directory_Separator & + ALI_File (1 .. Last)) + then + -- We have found the correct project, so we + -- replace the file with the absolute path. + + Last_Switches.Table (J) := + new String' + (Dir & Directory_Separator & + ALI_File (1 .. Last)); + + -- And we are done + + exit Switch_Loop; + end if; + end; + + -- Go to the project being extended, if any + + Prj := + Project_Tree.Projects.Table (Prj).Extends; + exit Project_Loop when Prj = No_Project; + end loop Project_Loop; + end if; + end if; + end; + end if; + end loop Switch_Loop; + + -- If a relative path output file has been specified, we add the exec + -- directory. + + for J in reverse 1 .. Last_Switches.Last - 1 loop + if Last_Switches.Table (J).all = "-o" then + Check_Relative_Executable + (Name => Last_Switches.Table (J + 1)); + Look_For_Executable := False; + exit; + end if; + end loop; + + if Look_For_Executable then + for J in reverse 1 .. First_Switches.Last - 1 loop + if First_Switches.Table (J).all = "-o" then + Look_For_Executable := False; + Check_Relative_Executable + (Name => First_Switches.Table (J + 1)); + exit; + end if; + end loop; + end if; + + -- If no executable is specified, then find the name of the first ALI + -- file on the command line and issue a -o switch with the absolute path + -- of the executable in the exec directory. + + if Look_For_Executable then + for J in 1 .. Last_Switches.Last loop + Arg := Last_Switches.Table (J); + Last := 0; + + if Arg'Length /= 0 and then Arg (Arg'First) /= '-' then + if Arg'Length > 4 + and then Arg (Arg'Last - 3 .. Arg'Last) = ".ali" + then + Last := Arg'Last - 4; + + elsif Is_Regular_File (Arg.all & ".ali") then + Last := Arg'Last; + end if; + + if Last /= 0 then + Last_Switches.Increment_Last; + Last_Switches.Table (Last_Switches.Last) := + new String'("-o"); + Get_Name_String + (Project_Tree.Projects.Table + (Project).Exec_Directory); + Last_Switches.Increment_Last; + Last_Switches.Table (Last_Switches.Last) := + new String'(Name_Buffer (1 .. Name_Len) & + Directory_Separator & + Executable_Name + (Base_Name (Arg (Arg'First .. Last)))); + exit; + end if; + end if; + end loop; + end if; + end Process_Link; + + --------------------- + -- Set_Library_For -- + --------------------- + + procedure Set_Library_For + (Project : Project_Id; + There_Are_Libraries : in out Boolean) + is + Path_Option : constant String_Access := + MLib.Linker_Library_Path_Option; + + begin + -- Case of library project + + if Project_Tree.Projects.Table (Project).Library then + There_Are_Libraries := True; + + -- Add the -L switch + + Last_Switches.Increment_Last; + Last_Switches.Table (Last_Switches.Last) := + new String'("-L" & + Get_Name_String + (Project_Tree.Projects.Table + (Project).Library_Dir)); + + -- Add the -l switch + + Last_Switches.Increment_Last; + Last_Switches.Table (Last_Switches.Last) := + new String'("-l" & + Get_Name_String + (Project_Tree.Projects.Table + (Project).Library_Name)); + + -- Add the directory to table Library_Paths, to be processed later + -- if library is not static and if Path_Option is not null. + + if Project_Tree.Projects.Table (Project).Library_Kind /= + Static + and then Path_Option /= null + then + Library_Paths.Increment_Last; + Library_Paths.Table (Library_Paths.Last) := + new String'(Get_Name_String + (Project_Tree.Projects.Table + (Project).Library_Dir)); + end if; + end if; + end Set_Library_For; + + --------------------------- + -- Test_If_Relative_Path -- + --------------------------- + + procedure Test_If_Relative_Path + (Switch : in out String_Access; + Parent : String) + is + begin + if Switch /= null then + + declare + Sw : String (1 .. Switch'Length); + Start : Positive := 1; + + begin + Sw := Switch.all; + + if Sw (1) = '-' then + if Sw'Length >= 3 + and then (Sw (2) = 'A' or else + Sw (2) = 'I' or else + Sw (2) = 'L') + then + Start := 3; + + if Sw = "-I-" then + return; + end if; + + elsif Sw'Length >= 4 + and then (Sw (2 .. 3) = "aL" or else + Sw (2 .. 3) = "aO" or else + Sw (2 .. 3) = "aI") + then + Start := 4; + + elsif Sw'Length >= 7 + and then Sw (2 .. 6) = "-RTS=" + then + Start := 7; + else + return; + end if; + end if; + + -- If the path is relative, test if it includes directory + -- information. If it does, prepend Parent to the path. + + if not Is_Absolute_Path (Sw (Start .. Sw'Last)) then + for J in Start .. Sw'Last loop + if Sw (J) = Directory_Separator then + Switch := + new String' + (Sw (1 .. Start - 1) & + Parent & + Directory_Separator & + Sw (Start .. Sw'Last)); + return; + end if; + end loop; + end if; + end; + end if; + end Test_If_Relative_Path; + + ------------------- + -- Non_VMS_Usage -- + ------------------- + + procedure Non_VMS_Usage is + begin + Output_Version; + New_Line; + Put_Line ("List of available commands"); + New_Line; + + for C in Command_List'Range loop + if not Command_List (C).VMS_Only then + Put ("gnat " & To_Lower (Command_List (C).Cname.all)); + Set_Col (25); + Put (Command_List (C).Unixcmd.all); + + declare + Sws : Argument_List_Access renames Command_List (C).Unixsws; + begin + if Sws /= null then + for J in Sws'Range loop + Put (' '); + Put (Sws (J).all); + end loop; + end if; + end; + + New_Line; + end if; + end loop; + + New_Line; + Put_Line ("Commands find, list, metric, pretty, stack, stub and xref " & + "accept project file switches -vPx, -Pprj and -Xnam=val"); + New_Line; + end Non_VMS_Usage; + + ------------------------------------- + -- Start of processing for GNATCmd -- + ------------------------------------- + +begin + -- Initializations + + Namet.Initialize; + Csets.Initialize; + + Snames.Initialize; + + Prj.Initialize (Project_Tree); + + Last_Switches.Init; + Last_Switches.Set_Last (0); + + First_Switches.Init; + First_Switches.Set_Last (0); + Carg_Switches.Init; + Carg_Switches.Set_Last (0); + Rules_Switches.Init; + Rules_Switches.Set_Last (0); + + VMS_Conv.Initialize; + + Set_Mode (Ada_Only); + + -- Add the directory where the GNAT driver is invoked in front of the path, + -- if the GNAT driver is invoked with directory information. Do not do this + -- for VMS, where the notion of path does not really exist. + + if not OpenVMS then + declare + Command : constant String := Command_Name; + + begin + for Index in reverse Command'Range loop + if Command (Index) = Directory_Separator then + declare + Absolute_Dir : constant String := + Normalize_Pathname + (Command (Command'First .. Index)); + + PATH : constant String := + Absolute_Dir & + Path_Separator & + Getenv ("PATH").all; + + begin + Setenv ("PATH", PATH); + end; + + exit; + end if; + end loop; + end; + end if; + + -- If on VMS, or if VMS emulation is on, convert VMS style /qualifiers, + -- filenames and pathnames to Unix style. + + if Hostparm.OpenVMS + or else To_Lower (Getenv ("EMULATE_VMS").all) = "true" + then + VMS_Conversion (The_Command); + + B_Start := new String'("b__"); + + -- If not on VMS, scan the command line directly + + else + if Argument_Count = 0 then + Non_VMS_Usage; + return; + else + begin + loop + if Argument_Count > Command_Arg + and then Argument (Command_Arg) = "-v" + then + Verbose_Mode := True; + Command_Arg := Command_Arg + 1; + + elsif Argument_Count > Command_Arg + and then Argument (Command_Arg) = "-dn" + then + Keep_Temporary_Files := True; + Command_Arg := Command_Arg + 1; + + else + exit; + end if; + end loop; + + The_Command := Real_Command_Type'Value (Argument (Command_Arg)); + + if Command_List (The_Command).VMS_Only then + Non_VMS_Usage; + Fail + ("Command """, + Command_List (The_Command).Cname.all, + """ can only be used on VMS"); + end if; + + exception + when Constraint_Error => + + -- Check if it is an alternate command + + declare + Alternate : Alternate_Command; + + begin + Alternate := Alternate_Command'Value + (Argument (Command_Arg)); + The_Command := Corresponding_To (Alternate); + + exception + when Constraint_Error => + Non_VMS_Usage; + Fail ("Unknown command: ", Argument (Command_Arg)); + end; + end; + + -- Get the arguments from the command line and from the eventual + -- argument file(s) specified on the command line. + + for Arg in Command_Arg + 1 .. Argument_Count loop + declare + The_Arg : constant String := Argument (Arg); + + begin + -- Check if an argument file is specified + + if The_Arg (The_Arg'First) = '@' then + declare + Arg_File : Ada.Text_IO.File_Type; + Line : String (1 .. 256); + Last : Natural; + + begin + -- Open the file and fail if the file cannot be found + + begin + Open + (Arg_File, In_File, + The_Arg (The_Arg'First + 1 .. The_Arg'Last)); + + exception + when others => + Put + (Standard_Error, "Cannot open argument file """); + Put + (Standard_Error, + The_Arg (The_Arg'First + 1 .. The_Arg'Last)); + + Put_Line (Standard_Error, """"); + raise Error_Exit; + end; + + -- Read line by line and put the content of each non- + -- empty line in the Last_Switches table. + + while not End_Of_File (Arg_File) loop + Get_Line (Arg_File, Line, Last); + + if Last /= 0 then + Last_Switches.Increment_Last; + Last_Switches.Table (Last_Switches.Last) := + new String'(Line (1 .. Last)); + end if; + end loop; + + Close (Arg_File); + end; + + else + -- It is not an argument file; just put the argument in + -- the Last_Switches table. + + Last_Switches.Increment_Last; + Last_Switches.Table (Last_Switches.Last) := + new String'(The_Arg); + end if; + end; + end loop; + end if; + end if; + + declare + Program : constant String := + Program_Name (Command_List (The_Command).Unixcmd.all).all; + + Exec_Path : String_Access; + + begin + -- Locate the executable for the command + + Exec_Path := Locate_Exec_On_Path (Program); + + if Exec_Path = null then + Put_Line (Standard_Error, "could not locate " & Program); + raise Error_Exit; + end if; + + -- If there are switches for the executable, put them as first switches + + if Command_List (The_Command).Unixsws /= null then + for J in Command_List (The_Command).Unixsws'Range loop + First_Switches.Increment_Last; + First_Switches.Table (First_Switches.Last) := + Command_List (The_Command).Unixsws (J); + end loop; + end if; + + -- For BIND, CHECK, ELIM, FIND, LINK, LIST, PRETTY, STACK, STUB, + -- METRIC ad XREF, look for project file related switches. + + if The_Command = Bind + or else The_Command = Check + or else The_Command = Elim + or else The_Command = Find + or else The_Command = Link + or else The_Command = List + or else The_Command = Xref + or else The_Command = Pretty + or else The_Command = Stack + or else The_Command = Stub + or else The_Command = Metric + then + case The_Command is + when Bind => + Tool_Package_Name := Name_Binder; + Packages_To_Check := Packages_To_Check_By_Binder; + when Check => + Tool_Package_Name := Name_Check; + Packages_To_Check := Packages_To_Check_By_Check; + when Elim => + Tool_Package_Name := Name_Eliminate; + Packages_To_Check := Packages_To_Check_By_Eliminate; + when Find => + Tool_Package_Name := Name_Finder; + Packages_To_Check := Packages_To_Check_By_Finder; + when Link => + Tool_Package_Name := Name_Linker; + Packages_To_Check := Packages_To_Check_By_Linker; + when List => + Tool_Package_Name := Name_Gnatls; + Packages_To_Check := Packages_To_Check_By_Gnatls; + when Metric => + Tool_Package_Name := Name_Metrics; + Packages_To_Check := Packages_To_Check_By_Metric; + when Pretty => + Tool_Package_Name := Name_Pretty_Printer; + Packages_To_Check := Packages_To_Check_By_Pretty; + when Stack => + Tool_Package_Name := Name_Stack; + Packages_To_Check := Packages_To_Check_By_Stack; + when Stub => + Tool_Package_Name := Name_Gnatstub; + Packages_To_Check := Packages_To_Check_By_Gnatstub; + when Xref => + Tool_Package_Name := Name_Cross_Reference; + Packages_To_Check := Packages_To_Check_By_Xref; + when others => + null; + end case; + + -- Check that the switches are consistent. Detect project file + -- related switches. + + Inspect_Switches : + declare + Arg_Num : Positive := 1; + Argv : String_Access; + + procedure Remove_Switch (Num : Positive); + -- Remove a project related switch from table Last_Switches + + ------------------- + -- Remove_Switch -- + ------------------- + + procedure Remove_Switch (Num : Positive) is + begin + Last_Switches.Table (Num .. Last_Switches.Last - 1) := + Last_Switches.Table (Num + 1 .. Last_Switches.Last); + Last_Switches.Decrement_Last; + end Remove_Switch; + + -- Start of processing for Inspect_Switches + + begin + while Arg_Num <= Last_Switches.Last loop + Argv := Last_Switches.Table (Arg_Num); + + if Argv (Argv'First) = '-' then + if Argv'Length = 1 then + Fail + ("switch character cannot be followed by a blank"); + end if; + + -- The two style project files (-p and -P) cannot be used + -- together + + if (The_Command = Find or else The_Command = Xref) + and then Argv (2) = 'p' + then + Old_Project_File_Used := True; + if Project_File /= null then + Fail ("-P and -p cannot be used together"); + end if; + end if; + + -- -aPdir Add dir to the project search path + + if Argv'Length > 3 + and then Argv (Argv'First + 1 .. Argv'First + 2) = "aP" + then + Add_Search_Project_Directory + (Argv (Argv'First + 3 .. Argv'Last)); + + Remove_Switch (Arg_Num); + + -- -vPx Specify verbosity while parsing project files + + elsif Argv'Length = 4 + and then Argv (Argv'First + 1 .. Argv'First + 2) = "vP" + then + case Argv (Argv'Last) is + when '0' => + Current_Verbosity := Prj.Default; + when '1' => + Current_Verbosity := Prj.Medium; + when '2' => + Current_Verbosity := Prj.High; + when others => + Fail ("Invalid switch: ", Argv.all); + end case; + + Remove_Switch (Arg_Num); + + -- -Pproject_file Specify project file to be used + + elsif Argv (Argv'First + 1) = 'P' then + + -- Only one -P switch can be used + + if Project_File /= null then + Fail + (Argv.all, + ": second project file forbidden (first is """, + Project_File.all & """)"); + + -- The two style project files (-p and -P) cannot be + -- used together. + + elsif Old_Project_File_Used then + Fail ("-p and -P cannot be used together"); + + elsif Argv'Length = 2 then + + -- There is space between -P and the project file + -- name. -P cannot be the last option. + + if Arg_Num = Last_Switches.Last then + Fail ("project file name missing after -P"); + + else + Remove_Switch (Arg_Num); + Argv := Last_Switches.Table (Arg_Num); + + -- After -P, there must be a project file name, + -- not another switch. + + if Argv (Argv'First) = '-' then + Fail ("project file name missing after -P"); + + else + Project_File := new String'(Argv.all); + end if; + end if; + + else + -- No space between -P and project file name + + Project_File := + new String'(Argv (Argv'First + 2 .. Argv'Last)); + end if; + + Remove_Switch (Arg_Num); + + -- -Xexternal=value Specify an external reference to be + -- used in project files + + elsif Argv'Length >= 5 + and then Argv (Argv'First + 1) = 'X' + then + declare + Equal_Pos : constant Natural := + Index + ('=', + Argv (Argv'First + 2 .. Argv'Last)); + begin + if Equal_Pos >= Argv'First + 3 and then + Equal_Pos /= Argv'Last then + Add (External_Name => + Argv (Argv'First + 2 .. Equal_Pos - 1), + Value => Argv (Equal_Pos + 1 .. Argv'Last)); + else + Fail + (Argv.all, + " is not a valid external assignment."); + end if; + end; + + Remove_Switch (Arg_Num); + + elsif + (The_Command = Check or else + The_Command = Pretty or else + The_Command = Metric or else + The_Command = Stack or else + The_Command = List) + and then Argv'Length = 2 + and then Argv (2) = 'U' + then + All_Projects := True; + Remove_Switch (Arg_Num); + + else + Arg_Num := Arg_Num + 1; + end if; + + elsif ((The_Command = Check and then Argv (Argv'First) /= '+') + or else The_Command = Metric + or else The_Command = Pretty) + and then Project_File /= null + and then All_Projects + then + if ASIS_Main /= null then + Fail ("cannot specify more than one main after -U"); + else + ASIS_Main := Argv; + Remove_Switch (Arg_Num); + end if; + + else + Arg_Num := Arg_Num + 1; + end if; + end loop; + end Inspect_Switches; + end if; + + -- If there is a project file specified, parse it, get the switches + -- for the tool and setup PATH environment variables. + + if Project_File /= null then + Prj.Pars.Set_Verbosity (To => Current_Verbosity); + + Prj.Pars.Parse + (Project => Project, + In_Tree => Project_Tree, + Project_File_Name => Project_File.all, + Packages_To_Check => Packages_To_Check); + + if Project = Prj.No_Project then + Fail ("""", Project_File.all, """ processing failed"); + end if; + + -- Check if a package with the name of the tool is in the project + -- file and if there is one, get the switches, if any, and scan them. + + declare + Data : constant Prj.Project_Data := + Project_Tree.Projects.Table (Project); + + Pkg : constant Prj.Package_Id := + Prj.Util.Value_Of + (Name => Tool_Package_Name, + In_Packages => Data.Decl.Packages, + In_Tree => Project_Tree); + + Element : Package_Element; + + Default_Switches_Array : Array_Element_Id; + + The_Switches : Prj.Variable_Value; + Current : Prj.String_List_Id; + The_String : String_Element; + + begin + if Pkg /= No_Package then + Element := Project_Tree.Packages.Table (Pkg); + + -- Packages Gnatls and Gnatstack have a single attribute + -- Switches, that is not an associative array. + + if The_Command = List or else The_Command = Stack then + The_Switches := + Prj.Util.Value_Of + (Variable_Name => Snames.Name_Switches, + In_Variables => Element.Decl.Attributes, + In_Tree => Project_Tree); + + -- Packages Binder (for gnatbind), Cross_Reference (for + -- gnatxref), Linker (for gnatlink), Finder (for gnatfind), + -- Pretty_Printer (for gnatpp), Eliminate (for gnatelim), Check + -- (for gnatcheck), and Metric (for gnatmetric) have an + -- attributed Switches, an associative array, indexed by the + -- name of the file. + + -- They also have an attribute Default_Switches, indexed by the + -- name of the programming language. + + else + if The_Switches.Kind = Prj.Undefined then + Default_Switches_Array := + Prj.Util.Value_Of + (Name => Name_Default_Switches, + In_Arrays => Element.Decl.Arrays, + In_Tree => Project_Tree); + The_Switches := Prj.Util.Value_Of + (Index => Name_Ada, + Src_Index => 0, + In_Array => Default_Switches_Array, + In_Tree => Project_Tree); + end if; + end if; + + -- If there are switches specified in the package of the + -- project file corresponding to the tool, scan them. + + case The_Switches.Kind is + when Prj.Undefined => + null; + + when Prj.Single => + declare + Switch : constant String := + Get_Name_String (The_Switches.Value); + + begin + if Switch'Length > 0 then + First_Switches.Increment_Last; + First_Switches.Table (First_Switches.Last) := + new String'(Switch); + end if; + end; + + when Prj.List => + Current := The_Switches.Values; + while Current /= Prj.Nil_String loop + The_String := Project_Tree.String_Elements. + Table (Current); + + declare + Switch : constant String := + Get_Name_String (The_String.Value); + + begin + if Switch'Length > 0 then + First_Switches.Increment_Last; + First_Switches.Table (First_Switches.Last) := + new String'(Switch); + end if; + end; + + Current := The_String.Next; + end loop; + end case; + end if; + end; + + if The_Command = Bind + or else The_Command = Link + or else The_Command = Elim + then + Change_Dir + (Get_Name_String + (Project_Tree.Projects.Table + (Project).Object_Directory)); + end if; + + -- Set up the env vars for project path files + + Prj.Env.Set_Ada_Paths + (Project, Project_Tree, Including_Libraries => False); + + -- For gnatcheck, gnatstub, gnatmetric, gnatpp and gnatelim, create + -- a configuration pragmas file, if necessary. + + if The_Command = Pretty + or else The_Command = Metric + or else The_Command = Stub + or else The_Command = Elim + or else The_Command = Check + then + -- If there are switches in package Compiler, put them in the + -- Carg_Switches table. + + declare + Data : constant Prj.Project_Data := + Project_Tree.Projects.Table (Project); + + Pkg : constant Prj.Package_Id := + Prj.Util.Value_Of + (Name => Name_Compiler, + In_Packages => Data.Decl.Packages, + In_Tree => Project_Tree); + + Element : Package_Element; + + Default_Switches_Array : Array_Element_Id; + + The_Switches : Prj.Variable_Value; + Current : Prj.String_List_Id; + The_String : String_Element; + + begin + if Pkg /= No_Package then + Element := Project_Tree.Packages.Table (Pkg); + + Default_Switches_Array := + Prj.Util.Value_Of + (Name => Name_Default_Switches, + In_Arrays => Element.Decl.Arrays, + In_Tree => Project_Tree); + The_Switches := Prj.Util.Value_Of + (Index => Name_Ada, + Src_Index => 0, + In_Array => Default_Switches_Array, + In_Tree => Project_Tree); + + -- If there are switches specified in the package of the + -- project file corresponding to the tool, scan them. + + case The_Switches.Kind is + when Prj.Undefined => + null; + + when Prj.Single => + declare + Switch : constant String := + Get_Name_String (The_Switches.Value); + begin + if Switch'Length > 0 then + Add_To_Carg_Switches (new String'(Switch)); + end if; + end; + + when Prj.List => + Current := The_Switches.Values; + while Current /= Prj.Nil_String loop + The_String := + Project_Tree.String_Elements.Table (Current); + + declare + Switch : constant String := + Get_Name_String (The_String.Value); + begin + if Switch'Length > 0 then + Add_To_Carg_Switches (new String'(Switch)); + end if; + end; + + Current := The_String.Next; + end loop; + end case; + end if; + end; + + -- If -cargs is one of the switches, move the following switches + -- to the Carg_Switches table. + + for J in 1 .. First_Switches.Last loop + if First_Switches.Table (J).all = "-cargs" then + declare + K : Positive; + Last : Natural; + + begin + -- Move the switches that are before -rules when the + -- command is CHECK. + + K := J + 1; + while K <= First_Switches.Last + and then + (The_Command /= Check + or else First_Switches.Table (K).all /= "-rules") + loop + Add_To_Carg_Switches (First_Switches.Table (K)); + K := K + 1; + end loop; + + if K > First_Switches.Last then + First_Switches.Set_Last (J - 1); + + else + Last := J - 1; + while K <= First_Switches.Last loop + Last := Last + 1; + First_Switches.Table (Last) := + First_Switches.Table (K); + K := K + 1; + end loop; + + First_Switches.Set_Last (Last); + end if; + end; + + exit; + end if; + end loop; + + for J in 1 .. Last_Switches.Last loop + if Last_Switches.Table (J).all = "-cargs" then + declare + K : Positive; + Last : Natural; + + begin + -- Move the switches that are before -rules when the + -- command is CHECK. + + K := J + 1; + while K <= Last_Switches.Last + and then + (The_Command /= Check + or else + Last_Switches.Table (K).all /= "-rules") + loop + Add_To_Carg_Switches (Last_Switches.Table (K)); + K := K + 1; + end loop; + + if K > Last_Switches.Last then + Last_Switches.Set_Last (J - 1); + + else + Last := J - 1; + while K <= Last_Switches.Last loop + Last := Last + 1; + Last_Switches.Table (Last) := + Last_Switches.Table (K); + K := K + 1; + end loop; + + Last_Switches.Set_Last (Last); + end if; + end; + + exit; + end if; + end loop; + + declare + CP_File : constant Path_Name_Type := Configuration_Pragmas_File; + + begin + if CP_File /= No_Path then + if The_Command = Elim then + First_Switches.Increment_Last; + First_Switches.Table (First_Switches.Last) := + new String'("-C" & Get_Name_String (CP_File)); + + else + Add_To_Carg_Switches + (new String'("-gnatec=" & Get_Name_String (CP_File))); + end if; + end if; + end; + end if; + + if The_Command = Link then + Process_Link; + end if; + + if The_Command = Link or The_Command = Bind then + + -- For files that are specified as relative paths with directory + -- information, we convert them to absolute paths, with parent + -- being the current working directory if specified on the command + -- line and the project directory if specified in the project + -- file. This is what gnatmake is doing for linker and binder + -- arguments. + + for J in 1 .. Last_Switches.Last loop + Test_If_Relative_Path + (Last_Switches.Table (J), Current_Work_Dir); + end loop; + + Get_Name_String + (Project_Tree.Projects.Table (Project).Directory); + + declare + Project_Dir : constant String := Name_Buffer (1 .. Name_Len); + begin + for J in 1 .. First_Switches.Last loop + Test_If_Relative_Path + (First_Switches.Table (J), Project_Dir); + end loop; + end; + + elsif The_Command = Stub then + declare + Data : constant Prj.Project_Data := + Project_Tree.Projects.Table (Project); + File_Index : Integer := 0; + Dir_Index : Integer := 0; + Last : constant Integer := Last_Switches.Last; + + begin + for Index in 1 .. Last loop + if Last_Switches.Table (Index) + (Last_Switches.Table (Index)'First) /= '-' + then + File_Index := Index; + exit; + end if; + end loop; + + -- If the naming scheme of the project file is not standard, + -- and if the file name ends with the spec suffix, then + -- indicate to gnatstub the name of the body file with + -- a -o switch. + + if Body_Suffix_Id_Of (Project_Tree, "ada", Data.Naming) /= + Prj.Default_Ada_Spec_Suffix + then + if File_Index /= 0 then + declare + Spec : constant String := + Base_Name (Last_Switches.Table (File_Index).all); + Last : Natural := Spec'Last; + + begin + Get_Name_String + (Spec_Suffix_Id_Of + (Project_Tree, "ada", Data.Naming)); + + if Spec'Length > Name_Len + and then Spec (Last - Name_Len + 1 .. Last) = + Name_Buffer (1 .. Name_Len) + then + Last := Last - Name_Len; + Get_Name_String + (Body_Suffix_Id_Of + (Project_Tree, "ada", Data.Naming)); + Last_Switches.Increment_Last; + Last_Switches.Table (Last_Switches.Last) := + new String'("-o"); + Last_Switches.Increment_Last; + Last_Switches.Table (Last_Switches.Last) := + new String'(Spec (Spec'First .. Last) & + Name_Buffer (1 .. Name_Len)); + end if; + end; + end if; + end if; + + -- Add the directory of the spec as the destination directory + -- of the body, if there is no destination directory already + -- specified. + + if File_Index /= 0 then + for Index in File_Index + 1 .. Last loop + if Last_Switches.Table (Index) + (Last_Switches.Table (Index)'First) /= '-' + then + Dir_Index := Index; + exit; + end if; + end loop; + + if Dir_Index = 0 then + Last_Switches.Increment_Last; + Last_Switches.Table (Last_Switches.Last) := + new String' + (Dir_Name (Last_Switches.Table (File_Index).all)); + end if; + end if; + end; + end if; + + -- For gnatmetric, the generated files should be put in the object + -- directory. This must be the first switch, because it may be + -- overriden by a switch in package Metrics in the project file or + -- by a command line option. Note that we don't add the -d= switch + -- if there is no object directory available. + + if The_Command = Metric + and then + Project_Tree.Projects.Table (Project).Object_Directory /= No_Path + then + First_Switches.Increment_Last; + First_Switches.Table (2 .. First_Switches.Last) := + First_Switches.Table (1 .. First_Switches.Last - 1); + First_Switches.Table (1) := + new String'("-d=" & + Get_Name_String + (Project_Tree.Projects.Table + (Project).Object_Directory)); + end if; + + -- For gnat check, -rules and the following switches need to be the + -- last options. So, we move all these switches to table + -- Rules_Switches. + + if The_Command = Check then + declare + New_Last : Natural; + -- Set to rank of options preceding "-rules" + + In_Rules_Switches : Boolean; + -- Set to True when options "-rules" is found + + begin + New_Last := First_Switches.Last; + In_Rules_Switches := False; + + for J in 1 .. First_Switches.Last loop + if In_Rules_Switches then + Add_To_Rules_Switches (First_Switches.Table (J)); + + elsif First_Switches.Table (J).all = "-rules" then + New_Last := J - 1; + In_Rules_Switches := True; + end if; + end loop; + + if In_Rules_Switches then + First_Switches.Set_Last (New_Last); + end if; + + New_Last := Last_Switches.Last; + In_Rules_Switches := False; + + for J in 1 .. Last_Switches.Last loop + if In_Rules_Switches then + Add_To_Rules_Switches (Last_Switches.Table (J)); + + elsif Last_Switches.Table (J).all = "-rules" then + New_Last := J - 1; + In_Rules_Switches := True; + end if; + end loop; + + if In_Rules_Switches then + Last_Switches.Set_Last (New_Last); + end if; + end; + end if; + + -- For gnat check, metric or pretty with -U + a main, get the list + -- of sources from the closure and add them to the arguments. + + if ASIS_Main /= null then + Get_Closure; + + -- On VMS, set up the env var again for source dirs file. This is + -- because the call to gnatmake has set this env var to another + -- file that has now been deleted. + + if Hostparm.OpenVMS then + + -- First make sure that the recorded file names are empty + + Prj.Env.Initialize; + + Prj.Env.Set_Ada_Paths + (Project, Project_Tree, Including_Libraries => False); + end if; + + -- For gnat check, gnat pretty, gnat metric, gnat list, and gnat + -- stack, if no file has been put on the command line, call tool + -- with all the sources of the main project. + + elsif The_Command = Check or else + The_Command = Pretty or else + The_Command = Metric or else + The_Command = List or else + The_Command = Stack + then + Check_Files; + end if; + end if; + + -- Gather all the arguments and invoke the executable + + declare + The_Args : Argument_List + (1 .. First_Switches.Last + + Last_Switches.Last + + Carg_Switches.Last + + Rules_Switches.Last); + Arg_Num : Natural := 0; + + begin + for J in 1 .. First_Switches.Last loop + Arg_Num := Arg_Num + 1; + The_Args (Arg_Num) := First_Switches.Table (J); + end loop; + + for J in 1 .. Last_Switches.Last loop + Arg_Num := Arg_Num + 1; + The_Args (Arg_Num) := Last_Switches.Table (J); + end loop; + + for J in 1 .. Carg_Switches.Last loop + Arg_Num := Arg_Num + 1; + The_Args (Arg_Num) := Carg_Switches.Table (J); + end loop; + + for J in 1 .. Rules_Switches.Last loop + Arg_Num := Arg_Num + 1; + The_Args (Arg_Num) := Rules_Switches.Table (J); + end loop; + + -- If Display_Command is on, only display the generated command + + if Display_Command then + Put (Standard_Error, "generated command -->"); + Put (Standard_Error, Exec_Path.all); + + for Arg in The_Args'Range loop + Put (Standard_Error, " "); + Put (Standard_Error, The_Args (Arg).all); + end loop; + + Put (Standard_Error, "<--"); + New_Line (Standard_Error); + raise Normal_Exit; + end if; + + if Verbose_Mode then + Output.Write_Str (Exec_Path.all); + + for Arg in The_Args'Range loop + Output.Write_Char (' '); + Output.Write_Str (The_Args (Arg).all); + end loop; + + Output.Write_Eol; + end if; + + My_Exit_Status := + Exit_Status (Spawn (Exec_Path.all, The_Args)); + raise Normal_Exit; + end; + end; + +exception + when Error_Exit => + if not Keep_Temporary_Files then + Prj.Env.Delete_All_Path_Files (Project_Tree); + Delete_Temp_Config_Files; + end if; + + Set_Exit_Status (Failure); + + when Normal_Exit => + if not Keep_Temporary_Files then + Prj.Env.Delete_All_Path_Files (Project_Tree); + Delete_Temp_Config_Files; + end if; + + -- Since GNATCmd is normally called from DCL (the VMS shell), it must + -- return an understandable VMS exit status. However the exit status + -- returned *to* GNATCmd is a Posix style code, so we test it and return + -- just a simple success or failure on VMS. + + if Hostparm.OpenVMS and then My_Exit_Status /= Success then + Set_Exit_Status (Failure); + else + Set_Exit_Status (My_Exit_Status); + end if; +end GNATCmd; |