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riscv-gcc-1
Commit 865335eb by Robert Dewar Committed by Geert Bosch
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gnatdll.adb: Minor reformatting throughout. 

	* gnatdll.adb: Minor reformatting throughout. Many ??? added for
	undocumented declarations.

From-SVN: r46663
parent 5e257178
Showing with 60 additions and 52 deletions
gcc/ada/ChangeLog
2001-10-30 Robert Dewar <dewar@gnat.com>
* gnatdll.adb: Minor reformatting throughout. Many ??? added for
undocumented declarations.
2001-10-30 Pascal Obry <obry@gnat.com>
* gnatdll.adb (Parse_Command_Line): handle -g option to be passed
......
gcc/ada/gnatdll.adb
......@@ -26,8 +26,8 @@
-- --
------------------------------------------------------------------------------
-- GNATDLL is a Windows specific tool to build DLL.
-- Both relocatable and non-relocatable DLL are supported
-- GNATDLL is a Windows specific tool for building a DLL.
-- Both relocatable and non-relocatable DLL's are supported
with Ada.Text_IO;
with Ada.Strings.Unbounded;
......@@ -50,57 +50,58 @@ procedure Gnatdll is
use type OS_Lib.Argument_List;
procedure Syntax;
-- print out usage.
-- Print out usage
procedure Check (Filename : String);
-- check that filename exist.
-- Check that the file whose name is Filename exists
procedure Parse_Command_Line;
-- parse the command line arguments of gnatdll.
-- Parse the command line arguments passed to gnatdll
procedure Check_Context;
-- check the context before runing any commands to build the library.
-- Check the context before runing any commands to build the library
Syntax_Error : exception;
Context_Error : exception;
-- What are these for ???
Help : Boolean := False;
Help : Boolean := False;
-- What is this for ???
Version : constant String := Gnatvsn.Gnat_Version_String;
-- default address for non relocatable DLL (Win32)
-- Why should it be necessary to make a copy of this
Default_DLL_Address : constant String := "0x11000000";
-- Default address for non relocatable DLL (Win32)
Lib_Filename : Unbounded_String := Null_Unbounded_String;
Def_Filename : Unbounded_String := Null_Unbounded_String;
List_Filename : Unbounded_String := Null_Unbounded_String;
DLL_Address : Unbounded_String :=
To_Unbounded_String (Default_DLL_Address);
-- list of objects to put inside the library
To_Unbounded_String (Default_DLL_Address);
-- What are the above ???
Objects_Files : Argument_List_Access := Null_Argument_List_Access;
-- List of objects to put inside the library
-- for each Ada files specified we keep record of the corresponding
-- Ali. This list of ali is used to build the binder program.
Ali_Files : Argument_List_Access := Null_Argument_List_Access;
-- a list of options set in the command line.
Options : Argument_List_Access := Null_Argument_List_Access;
Ali_Files : Argument_List_Access := Null_Argument_List_Access;
-- For each Ada file specified, we keep arecord of the corresponding
-- ALI file. This list of SLI files is used to build the binder program.
-- gnat linker and binder args options
Options : Argument_List_Access := Null_Argument_List_Access;
-- A list of options set in the command line.
Largs_Options : Argument_List_Access := Null_Argument_List_Access;
Bargs_Options : Argument_List_Access := Null_Argument_List_Access;
-- GNAT linker and binder args options
type Build_Mode_State is (Import_Lib, Dynamic_Lib, Nil);
-- Comments needed ???
Build_Mode : Build_Mode_State := Nil;
Must_Build_Relocatable : Boolean := True;
Build_Import : Boolean := True;
-- Comments needed
------------
-- Syntax --
......@@ -168,35 +169,32 @@ procedure Gnatdll is
-- for each ali file in Afiles set put a corresponding object file in
-- Ofiles set.
-- these are arbitrary limits, a better way will be to use linked list.
Max_Files : constant := 5_000;
Max_Options : constant := 100;
-- objects files to put in the library
-- These are arbitrary limits, a better way will be to use linked list.
-- No, a better choice would be to use tables ???
-- Limits on what???
Ofiles : OS_Lib.Argument_List (1 .. Max_Files);
O : Positive := Ofiles'First;
-- ali files.
-- List of object files to put in the library. O is the next entry
-- to be used.
Afiles : OS_Lib.Argument_List (1 .. Max_Files);
A : Positive := Afiles'First;
-- gcc options.
-- List of ALI files. A is the next entry to be used.
Gopts : OS_Lib.Argument_List (1 .. Max_Options);
G : Positive := Gopts'First;
-- largs options
-- List of gcc options. G is the next entry to be used.
Lopts : OS_Lib.Argument_List (1 .. Max_Options);
L : Positive := Lopts'First;
-- bargs options
-- A list of -largs options (L is next entry to be used)
Bopts : OS_Lib.Argument_List (1 .. Max_Options);
B : Positive := Bopts'First;
-- A list of -bargs options (B is next entry to be used)
--------------
-- Add_File --
......@@ -205,12 +203,13 @@ procedure Gnatdll is
procedure Add_File (Filename : in String) is
begin
-- others files are to be put inside the dynamic library
-- ??? this makes no sense, should it be "Other files ..."
if Files.Is_Ali (Filename) then
Check (Filename);
-- record it to generate the binder program when
-- Record it to generate the binder program when
-- building dynamic library
Afiles (A) := new String'(Filename);
......@@ -220,13 +219,13 @@ procedure Gnatdll is
Check (Filename);
-- just record this object file
-- Just record this object file
Ofiles (O) := new String'(Filename);
O := O + 1;
else
-- unknown file type
-- Unknown file type
Exceptions.Raise_Exception
(Syntax_Error'Identity,
......@@ -242,6 +241,7 @@ procedure Gnatdll is
File : Text_IO.File_Type;
Buffer : String (1 .. 500);
Last : Natural;
begin
Text_IO.Open (File, Text_IO.In_File, List_Filename);
......@@ -265,8 +265,9 @@ procedure Gnatdll is
end loop;
end Ali_To_Object_List;
begin
-- Start of processing for Parse_Command_Line
begin
Initialize_Option_Scan ('-', False, "bargs largs");
-- scan gnatdll switches
......@@ -285,7 +286,8 @@ procedure Gnatdll is
G := G + 1;
when 'v' =>
-- verbose mode on.
-- Turn verbose mode on
MDLL.Verbose := True;
if MDLL.Quiet then
......@@ -295,7 +297,8 @@ procedure Gnatdll is
end if;
when 'q' =>
-- quiet mode on.
-- Turn quiet mode on
MDLL.Quiet := True;
if MDLL.Verbose then
......@@ -312,7 +315,7 @@ procedure Gnatdll is
if Parameter = "" then
-- default address for a relocatable dynamic library.
-- Default address for a relocatable dynamic library.
-- address for a non relocatable dynamic library.
DLL_Address := To_Unbounded_String (Default_DLL_Address);
......@@ -329,7 +332,7 @@ procedure Gnatdll is
when 'd' =>
-- build a non relocatable DLL.
-- Build a non relocatable DLL
Lib_Filename := To_Unbounded_String (Parameter);
......@@ -355,10 +358,9 @@ procedure Gnatdll is
raise Invalid_Switch;
end case;
end loop;
-- get parameters
-- Get parameters
loop
declare
......@@ -369,7 +371,7 @@ procedure Gnatdll is
end;
end loop;
-- get largs parameters
-- Get largs parameters
Goto_Section ("largs");
......@@ -386,7 +388,7 @@ procedure Gnatdll is
end case;
end loop;
-- get bargs parameters
-- Get bargs parameters
Goto_Section ("bargs");
......@@ -403,13 +405,13 @@ procedure Gnatdll is
end case;
end loop;
-- if list filename has been specified parse it
-- if list filename has been specified, parse it
if List_Filename /= Null_Unbounded_String then
Add_Files_From_List (To_String (List_Filename));
end if;
-- check if the set of parameters are compatible.
-- Check if the set of parameters are compatible.
if Build_Mode = Nil and then not Help and then not Verbose then
Exceptions.Raise_Exception
......@@ -417,8 +419,8 @@ procedure Gnatdll is
"nothing to do.");
end if;
-- check if we want to build an import library (option -e and no file
-- specified)
-- Check if we want to build an import library (option -e and
-- no file specified)
if Build_Mode = Dynamic_Lib
and then A = Afiles'First
......@@ -470,16 +472,17 @@ procedure Gnatdll is
Check (To_String (Def_Filename));
-- check that each object file specified exist
-- raises Context_Error if it does not.
-- Check that each object file specified exists and raise exception
-- Context_Error if it does not.
for F in Objects_Files'Range loop
Check (Objects_Files (F).all);
end loop;
end Check_Context;
begin
-- Start of processing for Gnatdll
begin
if Ada.Command_Line.Argument_Count = 0 then
Help := True;
else
......
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