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|
------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- G N A T L S --
-- --
-- B o d y --
-- --
-- Copyright (C) 1992-2021, 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. --
-- --
------------------------------------------------------------------------------
pragma Ada_2012;
with ALI; use ALI;
with ALI.Util; use ALI.Util;
with Binderr; use Binderr;
with Butil; use Butil;
with Csets;
with Fname; use Fname;
with Gnatvsn; use Gnatvsn;
with Make_Util; use Make_Util;
with Namet; use Namet;
with Opt; use Opt;
with Osint; use Osint;
with Osint.L; use Osint.L;
with Output; use Output;
with Rident; use Rident;
with Sdefault;
with Snames;
with Stringt;
with Switch; use Switch;
with Types; use Types;
with GNAT.Case_Util; use GNAT.Case_Util;
with GNAT.Command_Line; use GNAT.Command_Line;
with GNAT.Directory_Operations; use GNAT.Directory_Operations;
with GNAT.OS_Lib; use GNAT.OS_Lib;
procedure Gnatls is
pragma Ident (Gnat_Static_Version_String);
-- NOTE : The following string may be used by other tools, such as
-- GNAT Studio. So it can only be modified if these other uses are checked
-- and coordinated.
Project_Search_Path : constant String := "Project Search Path:";
-- Label displayed in verbose mode before the directories in the project
-- search path. Do not modify without checking NOTE above.
Prj_Path : String_Access;
Max_Column : constant := 80;
No_Obj : aliased String := "<no_obj>";
No_Runtime : Boolean := False;
-- Set to True if there is no default runtime and --RTS= is not specified
type File_Status is (
OK, -- matching timestamp
Checksum_OK, -- only matching checksum
Not_Found, -- file not found on source PATH
Not_Same, -- neither checksum nor timestamp matching
Not_First_On_PATH); -- matching file hidden by Not_Same file on path
type Dir_Data;
type Dir_Ref is access Dir_Data;
type Dir_Data is record
Value : String_Access;
Next : Dir_Ref;
end record;
-- Simply linked list of dirs
First_Source_Dir : Dir_Ref;
Last_Source_Dir : Dir_Ref;
-- The list of source directories from the command line.
-- These directories are added using Osint.Add_Src_Search_Dir
-- after those of the GNAT Project File, if any.
First_Lib_Dir : Dir_Ref;
Last_Lib_Dir : Dir_Ref;
-- The list of object directories from the command line.
-- These directories are added using Osint.Add_Lib_Search_Dir
-- after those of the GNAT Project File, if any.
Main_File : File_Name_Type;
Ali_File : File_Name_Type;
Text : Text_Buffer_Ptr;
Next_Arg : Positive;
Too_Long : Boolean := False;
-- When True, lines are too long for multi-column output and each
-- item of information is on a different line.
Selective_Output : Boolean := False;
Print_Usage : Boolean := False;
Print_Unit : Boolean := True;
Print_Source : Boolean := True;
Print_Object : Boolean := True;
-- Flags controlling the form of the output
Also_Predef : Boolean := False; -- -a
Dependable : Boolean := False; -- -d
License : Boolean := False; -- -l
Very_Verbose_Mode : Boolean := False; -- -V
-- Command line flags
Unit_Start : Integer;
Unit_End : Integer;
Source_Start : Integer;
Source_End : Integer;
Object_Start : Integer;
Object_End : Integer;
-- Various column starts and ends
Spaces : constant String (1 .. Max_Column) := (others => ' ');
RTS_Specified : String_Access := null;
-- Used to detect multiple use of --RTS= switch
Exit_Status : Exit_Code_Type := E_Success;
-- Reset to E_Fatal if bad error found
-----------------------
-- Local Subprograms --
-----------------------
procedure Add_Lib_Dir (Dir : String);
-- Add an object directory in the list First_Lib_Dir-Last_Lib_Dir
procedure Add_Source_Dir (Dir : String);
-- Add a source directory in the list First_Source_Dir-Last_Source_Dir
procedure Find_General_Layout;
-- Determine the structure of the output (multi columns or not, etc)
procedure Find_Status
(FS : in out File_Name_Type;
Stamp : Time_Stamp_Type;
Checksum : Word;
Status : out File_Status);
-- Determine the file status (Status) of the file represented by FS with
-- the expected Stamp and checksum given as argument. FS will be updated
-- to the full file name if available.
function Corresponding_Sdep_Entry (A : ALI_Id; U : Unit_Id) return Sdep_Id;
-- Give the Sdep entry corresponding to the unit U in ali record A
procedure Output_Object (O : File_Name_Type);
-- Print out the name of the object when requested
procedure Output_Source (Sdep_I : Sdep_Id);
-- Print out the name and status of the source corresponding to this
-- sdep entry.
procedure Output_Status (FS : File_Status; Verbose : Boolean);
-- Print out FS either in a coded form if verbose is false or in an
-- expanded form otherwise.
procedure Output_Unit (ALI : ALI_Id; U_Id : Unit_Id);
-- Print out information on the unit when requested
procedure Reset_Print;
-- Reset Print flags properly when selective output is chosen
procedure Scan_Ls_Arg (Argv : String);
-- Scan and process user specific arguments (Argv is a single argument)
procedure Search_RTS (Name : String);
-- Find include and objects path for the RTS name.
procedure Usage;
-- Print usage message
procedure Output_License_Information;
pragma No_Return (Output_License_Information);
-- Output license statement, and if not found, output reference to COPYING
function Image (Restriction : Restriction_Id) return String;
-- Returns the capitalized image of Restriction
function Normalize (Path : String) return String;
-- Returns a normalized path name. On Windows, the directory separators are
-- set to '\' in Normalize_Pathname.
------------------------------------------
-- GNATDIST specific output subprograms --
------------------------------------------
package GNATDIST is
-- Any modification to this subunit requires synchronization with the
-- GNATDIST sources.
procedure Output_ALI (A : ALI_Id);
-- Comment required saying what this routine does ???
procedure Output_No_ALI (Afile : File_Name_Type);
-- Comments required saying what this routine does ???
end GNATDIST;
------------------------------
-- Support for project path --
------------------------------
package Prj_Env is
procedure Initialize_Default_Project_Path
(Self : in out String_Access;
Target_Name : String;
Runtime_Name : String := "");
-- Initialize Self. It will then contain the default project path on
-- the given target and runtime (including directories specified by the
-- environment variables GPR_PROJECT_PATH_FILE, GPR_PROJECT_PATH and
-- ADA_PROJECT_PATH). If one of the directory or Target_Name is "-",
-- then the path contains only those directories specified by the
-- environment variables (except "-"). This does nothing if Self has
-- already been initialized.
procedure Add_Directories
(Self : in out String_Access;
Path : String;
Prepend : Boolean := False);
-- Add one or more directories to the path. Directories added with this
-- procedure are added in order after the current directory and before
-- the path given by the environment variable GPR_PROJECT_PATH. A value
-- of "-" will remove the default project directory from the project
-- path.
--
-- Calls to this subprogram must be performed before the first call to
-- Find_Project below, or PATH will be added at the end of the search
-- path.
function Get_Runtime_Path
(Self : String_Access;
Path : String) return String_Access;
-- Compute the full path for the project-based runtime name.
-- Path is simply searched on the project path.
end Prj_Env;
-----------------
-- Add_Lib_Dir --
-----------------
procedure Add_Lib_Dir (Dir : String) is
begin
if First_Lib_Dir = null then
First_Lib_Dir :=
new Dir_Data'
(Value => new String'(Dir),
Next => null);
Last_Lib_Dir := First_Lib_Dir;
else
Last_Lib_Dir.Next :=
new Dir_Data'
(Value => new String'(Dir),
Next => null);
Last_Lib_Dir := Last_Lib_Dir.Next;
end if;
end Add_Lib_Dir;
--------------------
-- Add_Source_Dir --
--------------------
procedure Add_Source_Dir (Dir : String) is
begin
if First_Source_Dir = null then
First_Source_Dir :=
new Dir_Data'
(Value => new String'(Dir),
Next => null);
Last_Source_Dir := First_Source_Dir;
else
Last_Source_Dir.Next :=
new Dir_Data'
(Value => new String'(Dir),
Next => null);
Last_Source_Dir := Last_Source_Dir.Next;
end if;
end Add_Source_Dir;
------------------------------
-- Corresponding_Sdep_Entry --
------------------------------
function Corresponding_Sdep_Entry
(A : ALI_Id;
U : Unit_Id) return Sdep_Id
is
begin
for D in ALIs.Table (A).First_Sdep .. ALIs.Table (A).Last_Sdep loop
if Sdep.Table (D).Sfile = Units.Table (U).Sfile then
return D;
end if;
end loop;
Error_Msg_Unit_1 := Units.Table (U).Uname;
Error_Msg_File_1 := ALIs.Table (A).Afile;
Write_Eol;
Error_Msg ("wrong ALI format, can't find dependency line for $ in {");
Exit_Program (E_Fatal);
return No_Sdep_Id;
end Corresponding_Sdep_Entry;
-------------------------
-- Find_General_Layout --
-------------------------
procedure Find_General_Layout is
Max_Unit_Length : Integer := 11;
Max_Src_Length : Integer := 11;
Max_Obj_Length : Integer := 11;
Len : Integer;
FS : File_Name_Type;
begin
-- Compute maximum of each column
for Id in ALIs.First .. ALIs.Last loop
Get_Name_String (Units.Table (ALIs.Table (Id).First_Unit).Uname);
if Also_Predef or else not Is_Internal_Unit then
if Print_Unit then
Len := Name_Len - 1;
Max_Unit_Length := Integer'Max (Max_Unit_Length, Len);
end if;
if Print_Source then
FS := Full_Source_Name (ALIs.Table (Id).Sfile);
if FS = No_File then
Get_Name_String (ALIs.Table (Id).Sfile);
Name_Len := Name_Len + 13;
else
Get_Name_String (FS);
end if;
Max_Src_Length := Integer'Max (Max_Src_Length, Name_Len + 1);
end if;
if Print_Object then
if ALIs.Table (Id).No_Object then
Max_Obj_Length :=
Integer'Max (Max_Obj_Length, No_Obj'Length);
else
Get_Name_String (ALIs.Table (Id).Ofile_Full_Name);
Max_Obj_Length := Integer'Max (Max_Obj_Length, Name_Len + 1);
end if;
end if;
end if;
end loop;
-- Verify is output is not wider than maximum number of columns
Too_Long :=
Verbose_Mode
or else
(Max_Unit_Length + Max_Src_Length + Max_Obj_Length) > Max_Column;
-- Set start and end of columns
Object_Start := 1;
Object_End := Object_Start - 1;
if Print_Object then
Object_End := Object_Start + Max_Obj_Length;
end if;
Unit_Start := Object_End + 1;
Unit_End := Unit_Start - 1;
if Print_Unit then
Unit_End := Unit_Start + Max_Unit_Length;
end if;
Source_Start := Unit_End + 1;
if Source_Start > Spaces'Last then
Source_Start := Spaces'Last;
end if;
Source_End := Source_Start - 1;
if Print_Source then
Source_End := Source_Start + Max_Src_Length;
end if;
end Find_General_Layout;
-----------------
-- Find_Status --
-----------------
procedure Find_Status
(FS : in out File_Name_Type;
Stamp : Time_Stamp_Type;
Checksum : Word;
Status : out File_Status)
is
Tmp1 : File_Name_Type;
Tmp2 : File_Name_Type;
begin
Tmp1 := Full_Source_Name (FS);
if Tmp1 = No_File then
Status := Not_Found;
elsif File_Stamp (Tmp1) = Stamp then
FS := Tmp1;
Status := OK;
elsif Checksums_Match (Get_File_Checksum (FS), Checksum) then
FS := Tmp1;
Status := Checksum_OK;
else
Tmp2 := Matching_Full_Source_Name (FS, Stamp);
if Tmp2 = No_File then
Status := Not_Same;
FS := Tmp1;
else
Status := Not_First_On_PATH;
FS := Tmp2;
end if;
end if;
end Find_Status;
--------------
-- GNATDIST --
--------------
package body GNATDIST is
N_Flags : Natural;
N_Indents : Natural := 0;
type Token_Type is
(T_No_ALI,
T_ALI,
T_Unit,
T_With,
T_Source,
T_Afile,
T_Ofile,
T_Sfile,
T_Name,
T_Main,
T_Kind,
T_Flags,
T_Preelaborated,
T_Pure,
T_Has_RACW,
T_Remote_Types,
T_Shared_Passive,
T_RCI,
T_Predefined,
T_Internal,
T_Is_Generic,
T_Procedure,
T_Function,
T_Package,
T_Subprogram,
T_Spec,
T_Body);
Image : constant array (Token_Type) of String_Access :=
(T_No_ALI => new String'("No_ALI"),
T_ALI => new String'("ALI"),
T_Unit => new String'("Unit"),
T_With => new String'("With"),
T_Source => new String'("Source"),
T_Afile => new String'("Afile"),
T_Ofile => new String'("Ofile"),
T_Sfile => new String'("Sfile"),
T_Name => new String'("Name"),
T_Main => new String'("Main"),
T_Kind => new String'("Kind"),
T_Flags => new String'("Flags"),
T_Preelaborated => new String'("Preelaborated"),
T_Pure => new String'("Pure"),
T_Has_RACW => new String'("Has_RACW"),
T_Remote_Types => new String'("Remote_Types"),
T_Shared_Passive => new String'("Shared_Passive"),
T_RCI => new String'("RCI"),
T_Predefined => new String'("Predefined"),
T_Internal => new String'("Internal"),
T_Is_Generic => new String'("Is_Generic"),
T_Procedure => new String'("procedure"),
T_Function => new String'("function"),
T_Package => new String'("package"),
T_Subprogram => new String'("subprogram"),
T_Spec => new String'("spec"),
T_Body => new String'("body"));
procedure Output_Name (N : Name_Id);
-- Remove any encoding info (%b and %s) and output N
procedure Output_Afile (A : File_Name_Type);
procedure Output_Ofile (O : File_Name_Type);
procedure Output_Sfile (S : File_Name_Type);
-- Output various names. Check that the name is different from no name.
-- Otherwise, skip the output.
procedure Output_Token (T : Token_Type);
-- Output token using specific format. That is several indentations and:
--
-- T_No_ALI .. T_With : <token> & " =>" & NL
-- T_Source .. T_Kind : <token> & " => "
-- T_Flags : <token> & " =>"
-- T_Preelab .. T_Body : " " & <token>
procedure Output_Sdep (S : Sdep_Id);
procedure Output_Unit (U : Unit_Id);
procedure Output_With (W : With_Id);
-- Output this entry as a global section (like ALIs)
------------------
-- Output_Afile --
------------------
procedure Output_Afile (A : File_Name_Type) is
begin
if A /= No_File then
Output_Token (T_Afile);
Write_Name (A);
Write_Eol;
end if;
end Output_Afile;
----------------
-- Output_ALI --
----------------
procedure Output_ALI (A : ALI_Id) is
begin
Output_Token (T_ALI);
N_Indents := N_Indents + 1;
Output_Afile (ALIs.Table (A).Afile);
Output_Ofile (ALIs.Table (A).Ofile_Full_Name);
Output_Sfile (ALIs.Table (A).Sfile);
-- Output Main
if ALIs.Table (A).Main_Program /= None then
Output_Token (T_Main);
if ALIs.Table (A).Main_Program = Proc then
Output_Token (T_Procedure);
else
Output_Token (T_Function);
end if;
Write_Eol;
end if;
-- Output Units
for U in ALIs.Table (A).First_Unit .. ALIs.Table (A).Last_Unit loop
Output_Unit (U);
end loop;
-- Output Sdeps
for S in ALIs.Table (A).First_Sdep .. ALIs.Table (A).Last_Sdep loop
Output_Sdep (S);
end loop;
N_Indents := N_Indents - 1;
end Output_ALI;
-------------------
-- Output_No_ALI --
-------------------
procedure Output_No_ALI (Afile : File_Name_Type) is
begin
Output_Token (T_No_ALI);
N_Indents := N_Indents + 1;
Output_Afile (Afile);
N_Indents := N_Indents - 1;
end Output_No_ALI;
-----------------
-- Output_Name --
-----------------
procedure Output_Name (N : Name_Id) is
begin
-- Remove any encoding info (%s or %b)
Get_Name_String (N);
if Name_Len > 2
and then Name_Buffer (Name_Len - 1) = '%'
then
Name_Len := Name_Len - 2;
end if;
Output_Token (T_Name);
Write_Str (Name_Buffer (1 .. Name_Len));
Write_Eol;
end Output_Name;
------------------
-- Output_Ofile --
------------------
procedure Output_Ofile (O : File_Name_Type) is
begin
if O /= No_File then
Output_Token (T_Ofile);
Write_Name (O);
Write_Eol;
end if;
end Output_Ofile;
-----------------
-- Output_Sdep --
-----------------
procedure Output_Sdep (S : Sdep_Id) is
begin
Output_Token (T_Source);
Write_Name (Sdep.Table (S).Sfile);
Write_Eol;
end Output_Sdep;
------------------
-- Output_Sfile --
------------------
procedure Output_Sfile (S : File_Name_Type) is
FS : File_Name_Type := S;
begin
if FS /= No_File then
-- We want to output the full source name
FS := Full_Source_Name (FS);
-- There is no full source name. This occurs for instance when a
-- withed unit has a spec file but no body file. This situation is
-- not a problem for GNATDIST since the unit may be located on a
-- partition we do not want to build. However, we need to locate
-- the spec file and to find its full source name. Replace the
-- body file name with the spec file name used to compile the
-- current unit when possible.
if FS = No_File then
Get_Name_String (S);
if Name_Len > 4
and then Name_Buffer (Name_Len - 3 .. Name_Len) = ".adb"
then
Name_Buffer (Name_Len) := 's';
FS := Full_Source_Name (Name_Find);
end if;
end if;
end if;
if FS /= No_File then
Output_Token (T_Sfile);
Write_Name (FS);
Write_Eol;
end if;
end Output_Sfile;
------------------
-- Output_Token --
------------------
procedure Output_Token (T : Token_Type) is
begin
case T is
when T_No_ALI .. T_Flags =>
for J in 1 .. N_Indents loop
Write_Str (" ");
end loop;
Write_Str (Image (T).all);
for J in Image (T)'Length .. 12 loop
Write_Char (' ');
end loop;
Write_Str ("=>");
if T in T_No_ALI .. T_With then
Write_Eol;
elsif T in T_Source .. T_Name then
Write_Char (' ');
end if;
when T_Preelaborated .. T_Body =>
if T in T_Preelaborated .. T_Is_Generic then
if N_Flags = 0 then
Output_Token (T_Flags);
end if;
N_Flags := N_Flags + 1;
end if;
Write_Char (' ');
Write_Str (Image (T).all);
end case;
end Output_Token;
-----------------
-- Output_Unit --
-----------------
procedure Output_Unit (U : Unit_Id) is
begin
Output_Token (T_Unit);
N_Indents := N_Indents + 1;
-- Output Name
Output_Name (Name_Id (Units.Table (U).Uname));
-- Output Kind
Output_Token (T_Kind);
if Units.Table (U).Unit_Kind = 'p' then
Output_Token (T_Package);
else
Output_Token (T_Subprogram);
end if;
if Name_Buffer (Name_Len) = 's' then
Output_Token (T_Spec);
else
Output_Token (T_Body);
end if;
Write_Eol;
-- Output source file name
Output_Sfile (Units.Table (U).Sfile);
-- Output Flags
N_Flags := 0;
if Units.Table (U).Preelab then
Output_Token (T_Preelaborated);
end if;
if Units.Table (U).Pure then
Output_Token (T_Pure);
end if;
if Units.Table (U).Has_RACW then
Output_Token (T_Has_RACW);
end if;
if Units.Table (U).Remote_Types then
Output_Token (T_Remote_Types);
end if;
if Units.Table (U).Shared_Passive then
Output_Token (T_Shared_Passive);
end if;
if Units.Table (U).RCI then
Output_Token (T_RCI);
end if;
if Units.Table (U).Predefined then
Output_Token (T_Predefined);
end if;
if Units.Table (U).Internal then
Output_Token (T_Internal);
end if;
if Units.Table (U).Is_Generic then
Output_Token (T_Is_Generic);
end if;
if N_Flags > 0 then
Write_Eol;
end if;
-- Output Withs
for W in Units.Table (U).First_With .. Units.Table (U).Last_With loop
Output_With (W);
end loop;
N_Indents := N_Indents - 1;
end Output_Unit;
-----------------
-- Output_With --
-----------------
procedure Output_With (W : With_Id) is
begin
Output_Token (T_With);
N_Indents := N_Indents + 1;
Output_Name (Name_Id (Withs.Table (W).Uname));
-- Output Kind
Output_Token (T_Kind);
if Name_Buffer (Name_Len) = 's' then
Output_Token (T_Spec);
else
Output_Token (T_Body);
end if;
Write_Eol;
Output_Afile (Withs.Table (W).Afile);
Output_Sfile (Withs.Table (W).Sfile);
N_Indents := N_Indents - 1;
end Output_With;
end GNATDIST;
-----------
-- Image --
-----------
function Image (Restriction : Restriction_Id) return String is
Result : String := Restriction'Img;
Skip : Boolean := True;
begin
for J in Result'Range loop
if Skip then
Skip := False;
Result (J) := To_Upper (Result (J));
elsif Result (J) = '_' then
Skip := True;
else
Result (J) := To_Lower (Result (J));
end if;
end loop;
return Result;
end Image;
---------------
-- Normalize --
---------------
function Normalize (Path : String) return String is
begin
return Normalize_Pathname (Path);
end Normalize;
--------------------------------
-- Output_License_Information --
--------------------------------
procedure Output_License_Information is
begin
case Build_Type is
when others =>
Write_Str ("Please refer to file COPYING in your distribution"
& " for license terms.");
Write_Eol;
end case;
Exit_Program (E_Success);
end Output_License_Information;
-------------------
-- Output_Object --
-------------------
procedure Output_Object (O : File_Name_Type) is
Object_Name : String_Access;
begin
if Print_Object then
if O /= No_File then
Get_Name_String (O);
Object_Name := To_Host_File_Spec (Name_Buffer (1 .. Name_Len));
else
Object_Name := No_Obj'Unchecked_Access;
end if;
Write_Str (Object_Name.all);
if Print_Source or else Print_Unit then
if Too_Long then
Write_Eol;
Write_Str (" ");
else
Write_Str (Spaces
(Object_Start + Object_Name'Length .. Object_End));
end if;
end if;
end if;
end Output_Object;
-------------------
-- Output_Source --
-------------------
procedure Output_Source (Sdep_I : Sdep_Id) is
Stamp : Time_Stamp_Type;
Checksum : Word;
FS : File_Name_Type;
Status : File_Status;
Object_Name : String_Access;
begin
if Sdep_I = No_Sdep_Id then
return;
end if;
Stamp := Sdep.Table (Sdep_I).Stamp;
Checksum := Sdep.Table (Sdep_I).Checksum;
FS := Sdep.Table (Sdep_I).Sfile;
if Print_Source then
Find_Status (FS, Stamp, Checksum, Status);
Get_Name_String (FS);
Object_Name := To_Host_File_Spec (Name_Buffer (1 .. Name_Len));
if Verbose_Mode then
Write_Str (" Source => ");
Write_Str (Object_Name.all);
if not Too_Long then
Write_Str
(Spaces (Source_Start + Object_Name'Length .. Source_End));
end if;
Output_Status (Status, Verbose => True);
Write_Eol;
Write_Str (" ");
else
if not Selective_Output then
Output_Status (Status, Verbose => False);
end if;
Write_Str (Object_Name.all);
end if;
end if;
end Output_Source;
-------------------
-- Output_Status --
-------------------
procedure Output_Status (FS : File_Status; Verbose : Boolean) is
begin
if Verbose then
case FS is
when OK =>
Write_Str (" unchanged");
when Checksum_OK =>
Write_Str (" slightly modified");
when Not_Found =>
Write_Str (" file not found");
when Not_Same =>
Write_Str (" modified");
when Not_First_On_PATH =>
Write_Str (" unchanged version not first on PATH");
end case;
else
case FS is
when OK =>
Write_Str (" OK ");
when Checksum_OK =>
Write_Str (" MOK ");
when Not_Found =>
Write_Str (" ??? ");
when Not_Same =>
Write_Str (" DIF ");
when Not_First_On_PATH =>
Write_Str (" HID ");
end case;
end if;
end Output_Status;
-----------------
-- Output_Unit --
-----------------
procedure Output_Unit (ALI : ALI_Id; U_Id : Unit_Id) is
Kind : Character;
U : Unit_Record renames Units.Table (U_Id);
begin
if Print_Unit then
Get_Name_String (U.Uname);
Kind := Name_Buffer (Name_Len);
Name_Len := Name_Len - 2;
if not Verbose_Mode then
Write_Str (Name_Buffer (1 .. Name_Len));
else
Write_Str ("Unit => ");
Write_Eol;
Write_Str (" Name => ");
Write_Str (Name_Buffer (1 .. Name_Len));
Write_Eol;
Write_Str (" Kind => ");
if Units.Table (U_Id).Unit_Kind = 'p' then
Write_Str ("package ");
else
Write_Str ("subprogram ");
end if;
if Kind = 's' then
Write_Str ("spec");
else
Write_Str ("body");
end if;
end if;
if Verbose_Mode then
if U.Preelab or else
U.No_Elab or else
U.Pure or else
U.Dynamic_Elab or else
U.Has_RACW or else
U.Remote_Types or else
U.Shared_Passive or else
U.RCI or else
U.Predefined or else
U.Internal or else
U.Is_Generic or else
U.Init_Scalars or else
U.SAL_Interface or else
U.Body_Needed_For_SAL or else
U.Elaborate_Body
then
Write_Eol;
Write_Str (" Flags =>");
if U.Preelab then
Write_Str (" Preelaborable");
end if;
if U.No_Elab then
Write_Str (" No_Elab_Code");
end if;
if U.Pure then
Write_Str (" Pure");
end if;
if U.Dynamic_Elab then
Write_Str (" Dynamic_Elab");
end if;
if U.Has_RACW then
Write_Str (" Has_RACW");
end if;
if U.Remote_Types then
Write_Str (" Remote_Types");
end if;
if U.Shared_Passive then
Write_Str (" Shared_Passive");
end if;
if U.RCI then
Write_Str (" RCI");
end if;
if U.Predefined then
Write_Str (" Predefined");
end if;
if U.Internal then
Write_Str (" Internal");
end if;
if U.Is_Generic then
Write_Str (" Is_Generic");
end if;
if U.Init_Scalars then
Write_Str (" Init_Scalars");
end if;
if U.SAL_Interface then
Write_Str (" SAL_Interface");
end if;
if U.Body_Needed_For_SAL then
Write_Str (" Body_Needed_For_SAL");
end if;
if U.Elaborate_Body then
Write_Str (" Elaborate Body");
end if;
if U.Remote_Types then
Write_Str (" Remote_Types");
end if;
if U.Shared_Passive then
Write_Str (" Shared_Passive");
end if;
if U.Predefined then
Write_Str (" Predefined");
end if;
end if;
declare
Restrictions : constant Restrictions_Info :=
ALIs.Table (ALI).Restrictions;
begin
-- If the source was compiled with pragmas Restrictions,
-- Display these restrictions.
if Restrictions.Set /= (All_Restrictions => False) then
Write_Eol;
Write_Str (" pragma Restrictions =>");
-- For boolean restrictions, just display the name of the
-- restriction; for valued restrictions, also display the
-- restriction value.
for Restriction in All_Restrictions loop
if Restrictions.Set (Restriction) then
Write_Eol;
Write_Str (" ");
Write_Str (Image (Restriction));
if Restriction in All_Parameter_Restrictions then
Write_Str (" =>");
Write_Str (Restrictions.Value (Restriction)'Img);
end if;
end if;
end loop;
end if;
-- If the unit violates some Restrictions, display the list of
-- these restrictions.
if Restrictions.Violated /= (All_Restrictions => False) then
Write_Eol;
Write_Str (" Restrictions violated =>");
-- For boolean restrictions, just display the name of the
-- restriction. For valued restrictions, also display the
-- restriction value.
for Restriction in All_Restrictions loop
if Restrictions.Violated (Restriction) then
Write_Eol;
Write_Str (" ");
Write_Str (Image (Restriction));
if Restriction in All_Parameter_Restrictions then
if Restrictions.Count (Restriction) > 0 then
Write_Str (" =>");
if Restrictions.Unknown (Restriction) then
Write_Str (" at least");
end if;
Write_Str (Restrictions.Count (Restriction)'Img);
end if;
end if;
end if;
end loop;
end if;
end;
end if;
if Print_Source then
if Too_Long then
Write_Eol;
Write_Str (" ");
else
Write_Str (Spaces (Unit_Start + Name_Len + 1 .. Unit_End));
end if;
end if;
end if;
end Output_Unit;
package body Prj_Env is
Uninitialized_Prefix : constant String := '#' & Path_Separator;
-- Prefix to indicate that the project path has not been initialized
-- yet. Must be two characters long.
---------------------
-- Add_Directories --
---------------------
procedure Add_Directories
(Self : in out String_Access;
Path : String;
Prepend : Boolean := False)
is
Tmp : String_Access;
begin
if Self = null then
Self := new String'(Uninitialized_Prefix & Path);
else
Tmp := Self;
if Prepend then
Self := new String'(Path & Path_Separator & Tmp.all);
else
Self := new String'(Tmp.all & Path_Separator & Path);
end if;
Free (Tmp);
end if;
end Add_Directories;
-------------------------------------
-- Initialize_Default_Project_Path --
-------------------------------------
procedure Initialize_Default_Project_Path
(Self : in out String_Access;
Target_Name : String;
Runtime_Name : String := "")
is
Add_Default_Dir : Boolean := Target_Name /= "-";
First : Positive;
Last : Positive;
Ada_Project_Path : constant String := "ADA_PROJECT_PATH";
Gpr_Project_Path : constant String := "GPR_PROJECT_PATH";
Gpr_Project_Path_File : constant String := "GPR_PROJECT_PATH_FILE";
-- Names of alternate env. variables that contain path name(s) of
-- directories where project files may reside. They are taken into
-- account in this order: GPR_PROJECT_PATH_FILE, GPR_PROJECT_PATH,
-- ADA_PROJECT_PATH.
Gpr_Prj_Path_File : String_Access;
Gpr_Prj_Path : String_Access;
Ada_Prj_Path : String_Access;
-- The path name(s) of directories where project files may reside.
-- May be empty.
Prefix : String_Ptr;
Runtime : String_Ptr;
procedure Add_Target (Suffix : String);
-- Add :<prefix>/<target>/Suffix to the project path
FD : File_Descriptor;
Len : Integer;
----------------
-- Add_Target --
----------------
procedure Add_Target (Suffix : String) is
Extra_Sep : constant String :=
(if Target_Name (Target_Name'Last) = '/' then
""
else
(1 => Directory_Separator));
-- Note: Target_Name has a trailing / when it comes from Sdefault
begin
Add_Str_To_Name_Buffer
(Path_Separator & Prefix.all & Target_Name & Extra_Sep & Suffix);
end Add_Target;
-- Start of processing for Initialize_Default_Project_Path
begin
if Self /= null
and then (Self'Length = 0
or else Self (Self'First) /= '#')
then
return;
end if;
-- The current directory is always first in the search path. Since
-- the Project_Path currently starts with '#:' as a sign that it is
-- not initialized, we simply replace '#' with '.'
if Self = null then
Self := new String'('.' & Path_Separator);
else
Self (Self'First) := '.';
end if;
-- Then the reset of the project path (if any) currently contains the
-- directories added through Add_Search_Project_Directory
-- If environment variables are defined and not empty, add their
-- content
Gpr_Prj_Path_File := Getenv (Gpr_Project_Path_File);
Gpr_Prj_Path := Getenv (Gpr_Project_Path);
Ada_Prj_Path := Getenv (Ada_Project_Path);
if Gpr_Prj_Path_File.all /= "" then
FD := Open_Read (Gpr_Prj_Path_File.all, GNAT.OS_Lib.Text);
if FD = Invalid_FD then
Osint.Fail
("warning: could not read project path file """
& Gpr_Prj_Path_File.all & """");
end if;
Len := Integer (File_Length (FD));
declare
Buffer : String (1 .. Len);
Index : Positive := 1;
Last : Positive;
Tmp : String_Access;
begin
-- Read the file
Len := Read (FD, Buffer (1)'Address, Len);
Close (FD);
-- Scan the file line by line
while Index < Buffer'Last loop
-- Find the end of line
Last := Index;
while Last <= Buffer'Last
and then Buffer (Last) /= ASCII.LF
and then Buffer (Last) /= ASCII.CR
loop
Last := Last + 1;
end loop;
-- Ignore empty lines
if Last > Index then
Tmp := Self;
Self :=
new String'
(Tmp.all & Path_Separator &
Buffer (Index .. Last - 1));
Free (Tmp);
end if;
-- Find the beginning of the next line
Index := Last;
while Buffer (Index) = ASCII.CR or else
Buffer (Index) = ASCII.LF
loop
Index := Index + 1;
end loop;
end loop;
end;
end if;
if Gpr_Prj_Path.all /= "" then
Add_Directories (Self, Gpr_Prj_Path.all);
end if;
Free (Gpr_Prj_Path);
if Ada_Prj_Path.all /= "" then
Add_Directories (Self, Ada_Prj_Path.all);
end if;
Free (Ada_Prj_Path);
-- Copy to Name_Buffer, since we will need to manipulate the path
Name_Len := Self'Length;
Name_Buffer (1 .. Name_Len) := Self.all;
-- Scan the directory path to see if "-" is one of the directories.
-- Remove each occurrence of "-" and set Add_Default_Dir to False.
-- Also resolve relative paths and symbolic links.
First := 3;
loop
while First <= Name_Len
and then (Name_Buffer (First) = Path_Separator)
loop
First := First + 1;
end loop;
exit when First > Name_Len;
Last := First;
while Last < Name_Len
and then Name_Buffer (Last + 1) /= Path_Separator
loop
Last := Last + 1;
end loop;
-- If the directory is "-", set Add_Default_Dir to False and
-- remove from path.
if Name_Buffer (First .. Last) = "-" then
Add_Default_Dir := False;
for J in Last + 1 .. Name_Len loop
Name_Buffer (J - 2) := Name_Buffer (J);
end loop;
Name_Len := Name_Len - 2;
-- After removing the '-', go back one character to get the
-- next directory correctly.
Last := Last - 1;
else
declare
New_Dir : constant String :=
Normalize_Pathname
(Name_Buffer (First .. Last),
Resolve_Links => Opt.Follow_Links_For_Dirs);
New_Len : Positive;
New_Last : Positive;
begin
-- If the absolute path was resolved and is different from
-- the original, replace original with the resolved path.
if New_Dir /= Name_Buffer (First .. Last)
and then New_Dir'Length /= 0
then
New_Len := Name_Len + New_Dir'Length - (Last - First + 1);
New_Last := First + New_Dir'Length - 1;
Name_Buffer (New_Last + 1 .. New_Len) :=
Name_Buffer (Last + 1 .. Name_Len);
Name_Buffer (First .. New_Last) := New_Dir;
Name_Len := New_Len;
Last := New_Last;
end if;
end;
end if;
First := Last + 1;
end loop;
Free (Self);
-- Set the initial value of Current_Project_Path
if Add_Default_Dir then
if Sdefault.Search_Dir_Prefix = null then
-- gprbuild case
Prefix := new String'(Executable_Prefix_Path);
else
Prefix := new String'(Sdefault.Search_Dir_Prefix.all
& ".." & Dir_Separator
& ".." & Dir_Separator
& ".." & Dir_Separator
& ".." & Dir_Separator);
end if;
if Prefix.all /= "" then
if Target_Name /= "" then
if Runtime_Name /= "" then
if Base_Name (Runtime_Name) = Runtime_Name then
-- $prefix/$target/$runtime/lib/gnat
Add_Target
(Runtime_Name & Directory_Separator &
"lib" & Directory_Separator & "gnat");
-- $prefix/$target/$runtime/share/gpr
Add_Target
(Runtime_Name & Directory_Separator &
"share" & Directory_Separator & "gpr");
else
Runtime :=
new String'(Normalize_Pathname (Runtime_Name));
-- $runtime_dir/lib/gnat
Add_Str_To_Name_Buffer
(Path_Separator & Runtime.all & Directory_Separator &
"lib" & Directory_Separator & "gnat");
-- $runtime_dir/share/gpr
Add_Str_To_Name_Buffer
(Path_Separator & Runtime.all & Directory_Separator &
"share" & Directory_Separator & "gpr");
end if;
end if;
-- $prefix/$target/lib/gnat
Add_Target
("lib" & Directory_Separator & "gnat");
-- $prefix/$target/share/gpr
Add_Target
("share" & Directory_Separator & "gpr");
end if;
-- $prefix/share/gpr
Add_Str_To_Name_Buffer
(Path_Separator & Prefix.all & "share"
& Directory_Separator & "gpr");
-- $prefix/lib/gnat
Add_Str_To_Name_Buffer
(Path_Separator & Prefix.all & "lib"
& Directory_Separator & "gnat");
end if;
Free (Prefix);
end if;
Self := new String'(Name_Buffer (1 .. Name_Len));
end Initialize_Default_Project_Path;
-----------------------
-- Get_Runtime_Path --
-----------------------
function Get_Runtime_Path
(Self : String_Access;
Path : String) return String_Access
is
First : Natural;
Last : Natural;
begin
if Is_Absolute_Path (Path) then
if Is_Directory (Path) then
return new String'(Path);
else
return null;
end if;
else
-- Because we do not want to resolve symbolic links, we cannot
-- use Locate_Regular_File. Instead we try each possible path
-- successively.
First := Self'First;
while First <= Self'Last loop
while First <= Self'Last
and then Self (First) = Path_Separator
loop
First := First + 1;
end loop;
exit when First > Self'Last;
Last := First;
while Last < Self'Last
and then Self (Last + 1) /= Path_Separator
loop
Last := Last + 1;
end loop;
Name_Len := 0;
if not Is_Absolute_Path (Self (First .. Last)) then
Add_Str_To_Name_Buffer (Get_Current_Dir); -- ??? System call
Add_Char_To_Name_Buffer (Directory_Separator);
end if;
Add_Str_To_Name_Buffer (Self (First .. Last));
Add_Char_To_Name_Buffer (Directory_Separator);
Add_Str_To_Name_Buffer (Path);
if Is_Directory (Name_Buffer (1 .. Name_Len)) then
return new String'(Name_Buffer (1 .. Name_Len));
end if;
First := Last + 1;
end loop;
end if;
return null;
end Get_Runtime_Path;
end Prj_Env;
-----------------
-- Reset_Print --
-----------------
procedure Reset_Print is
begin
if not Selective_Output then
Selective_Output := True;
Print_Source := False;
Print_Object := False;
Print_Unit := False;
end if;
end Reset_Print;
----------------
-- Search_RTS --
----------------
procedure Search_RTS (Name : String) is
Src_Path : String_Ptr;
Lib_Path : String_Ptr;
-- Paths for source and include subdirs
Rts_Full_Path : String_Access;
-- Full path for RTS project
begin
-- Try to find the RTS
Src_Path := Get_RTS_Search_Dir (Name, Include);
Lib_Path := Get_RTS_Search_Dir (Name, Objects);
-- For non-project RTS, both the include and the objects directories
-- must be present.
if Src_Path /= null and then Lib_Path /= null then
Add_Search_Dirs (Src_Path, Include);
Add_Search_Dirs (Lib_Path, Objects);
Prj_Env.Initialize_Default_Project_Path
(Prj_Path,
Target_Name => Sdefault.Target_Name.all,
Runtime_Name => Name);
return;
end if;
if Lib_Path /= null then
Osint.Fail ("RTS path not valid: missing adainclude directory");
elsif Src_Path /= null then
Osint.Fail ("RTS path not valid: missing adalib directory");
end if;
-- Try to find the RTS on the project path. First setup the project path
Prj_Env.Initialize_Default_Project_Path
(Prj_Path,
Target_Name => Sdefault.Target_Name.all,
Runtime_Name => Name);
Rts_Full_Path := Prj_Env.Get_Runtime_Path (Prj_Path, Name);
if Rts_Full_Path /= null then
-- Directory name was found on the project path. Look for the
-- include subdirectory(s).
Src_Path := Get_RTS_Search_Dir (Rts_Full_Path.all, Include);
if Src_Path /= null then
Add_Search_Dirs (Src_Path, Include);
-- Add the lib subdirectory if it exists
Lib_Path := Get_RTS_Search_Dir (Rts_Full_Path.all, Objects);
if Lib_Path /= null then
Add_Search_Dirs (Lib_Path, Objects);
end if;
return;
end if;
end if;
Osint.Fail
("RTS path not valid: missing adainclude and adalib directories");
end Search_RTS;
-------------------
-- Scan_Ls_Arg --
-------------------
procedure Scan_Ls_Arg (Argv : String) is
FD : File_Descriptor;
Len : Integer;
OK : Boolean;
begin
pragma Assert (Argv'First = 1);
if Argv'Length = 0 then
return;
end if;
OK := True;
if Argv (1) = '-' then
if Argv'Length = 1 then
Fail ("switch character cannot be followed by a blank");
-- Processing for -I-
elsif Argv (2 .. Argv'Last) = "I-" then
Opt.Look_In_Primary_Dir := False;
-- Forbid -?- or -??- where ? is any character
elsif (Argv'Length = 3 and then Argv (3) = '-')
or else (Argv'Length = 4 and then Argv (4) = '-')
then
Fail ("Trailing ""-"" at the end of " & Argv & " forbidden.");
-- Processing for -Idir
elsif Argv (2) = 'I' then
Add_Source_Dir (Argv (3 .. Argv'Last));
Add_Lib_Dir (Argv (3 .. Argv'Last));
-- Processing for -aIdir (to gcc this is like a -I switch)
elsif Argv'Length >= 3 and then Argv (2 .. 3) = "aI" then
Add_Source_Dir (Argv (4 .. Argv'Last));
-- Processing for -aOdir
elsif Argv'Length >= 3 and then Argv (2 .. 3) = "aO" then
Add_Lib_Dir (Argv (4 .. Argv'Last));
-- Processing for -aLdir (to gnatbind this is like a -aO switch)
elsif Argv'Length >= 3 and then Argv (2 .. 3) = "aL" then
Add_Lib_Dir (Argv (4 .. Argv'Last));
-- Processing for -aP<dir>
elsif Argv'Length > 3 and then Argv (1 .. 3) = "-aP" then
Prj_Env.Add_Directories (Prj_Path, Argv (4 .. Argv'Last));
-- Processing for -nostdinc
elsif Argv (2 .. Argv'Last) = "nostdinc" then
Opt.No_Stdinc := True;
-- Processing for one character switches
elsif Argv'Length = 2 then
case Argv (2) is
when 'a' => Also_Predef := True;
when 'h' => Print_Usage := True;
when 'u' => Reset_Print; Print_Unit := True;
when 's' => Reset_Print; Print_Source := True;
when 'o' => Reset_Print; Print_Object := True;
when 'v' => Verbose_Mode := True;
when 'd' => Dependable := True;
when 'l' => License := True;
when 'V' => Very_Verbose_Mode := True;
when others => OK := False;
end case;
-- Processing for -files=file
elsif Argv'Length > 7 and then Argv (1 .. 7) = "-files=" then
FD := Open_Read (Argv (8 .. Argv'Last), GNAT.OS_Lib.Text);
if FD = Invalid_FD then
Osint.Fail ("could not find text file """ &
Argv (8 .. Argv'Last) & '"');
end if;
Len := Integer (File_Length (FD));
declare
Buffer : String (1 .. Len + 1);
Index : Positive := 1;
Last : Positive;
begin
-- Read the file
Len := Read (FD, Buffer (1)'Address, Len);
Buffer (Buffer'Last) := ASCII.NUL;
Close (FD);
-- Scan the file line by line
while Index < Buffer'Last loop
-- Find the end of line
Last := Index;
while Last <= Buffer'Last
and then Buffer (Last) /= ASCII.LF
and then Buffer (Last) /= ASCII.CR
loop
Last := Last + 1;
end loop;
-- Ignore empty lines
if Last > Index then
Add_File (Buffer (Index .. Last - 1));
end if;
-- Find the beginning of the next line
Index := Last;
while Buffer (Index) = ASCII.CR or else
Buffer (Index) = ASCII.LF
loop
Index := Index + 1;
end loop;
end loop;
end;
-- Processing for --RTS=path
elsif Argv'Length >= 5 and then Argv (1 .. 5) = "--RTS" then
if Argv'Length <= 6 or else Argv (6) /= '='then
Osint.Fail ("missing path for --RTS");
else
-- Check that it is the first time we see this switch or, if
-- it is not the first time, the same path is specified.
if RTS_Specified = null then
RTS_Specified := new String'(Argv (7 .. Argv'Last));
elsif RTS_Specified.all /= Argv (7 .. Argv'Last) then
Osint.Fail ("--RTS cannot be specified multiple times");
end if;
-- Valid --RTS switch
Opt.No_Stdinc := True;
Opt.RTS_Switch := True;
end if;
else
OK := False;
end if;
-- If not a switch, it must be a file name
else
Add_File (Argv);
end if;
if not OK then
Write_Str ("warning: unknown switch """);
Write_Str (Argv);
Write_Line ("""");
end if;
end Scan_Ls_Arg;
-----------
-- Usage --
-----------
procedure Usage is
begin
-- Usage line
Write_Str ("Usage: ");
Osint.Write_Program_Name;
Write_Str (" switches [list of object files]");
Write_Eol;
Write_Eol;
-- GNATLS switches
Write_Str ("switches:");
Write_Eol;
Display_Usage_Version_And_Help;
-- Line for -a
Write_Str (" -a also output relevant predefined units");
Write_Eol;
-- Line for -u
Write_Str (" -u output only relevant unit names");
Write_Eol;
-- Line for -h
Write_Str (" -h output this help message");
Write_Eol;
-- Line for -s
Write_Str (" -s output only relevant source names");
Write_Eol;
-- Line for -o
Write_Str (" -o output only relevant object names");
Write_Eol;
-- Line for -d
Write_Str (" -d output sources on which specified units " &
"depend");
Write_Eol;
-- Line for -l
Write_Str (" -l output license information");
Write_Eol;
-- Line for -v
Write_Str (" -v verbose output, full path and unit " &
"information");
Write_Eol;
Write_Eol;
-- Line for -files=
Write_Str (" -files=fil files are listed in text file 'fil'");
Write_Eol;
-- Line for -aI switch
Write_Str (" -aIdir specify source files search path");
Write_Eol;
-- Line for -aO switch
Write_Str (" -aOdir specify object files search path");
Write_Eol;
-- Line for -aP switch
Write_Str (" -aPdir specify project search path");
Write_Eol;
-- Line for -I switch
Write_Str (" -Idir like -aIdir -aOdir");
Write_Eol;
-- Line for -I- switch
Write_Str (" -I- do not look for sources & object files");
Write_Str (" in the default directory");
Write_Eol;
-- Line for -nostdinc
Write_Str (" -nostdinc do not look for source files");
Write_Str (" in the system default directory");
Write_Eol;
-- Line for --RTS
Write_Str (" --RTS=dir specify the default source and object search"
& " path");
Write_Eol;
-- File Status explanation
Write_Eol;
Write_Str (" file status can be:");
Write_Eol;
for ST in File_Status loop
Write_Str (" ");
Output_Status (ST, Verbose => False);
Write_Str (" ==> ");
Output_Status (ST, Verbose => True);
Write_Eol;
end loop;
end Usage;
procedure Check_Version_And_Help is new Check_Version_And_Help_G (Usage);
-- Start of processing for Gnatls
begin
-- Initialize standard packages
Csets.Initialize;
Snames.Initialize;
Stringt.Initialize;
-- First check for --version or --help
Check_Version_And_Help ("GNATLS", "1992");
-- Loop to scan out arguments
Next_Arg := 1;
Scan_Args : while Next_Arg < Arg_Count loop
declare
Next_Argv : String (1 .. Len_Arg (Next_Arg));
begin
Fill_Arg (Next_Argv'Address, Next_Arg);
Scan_Ls_Arg (Next_Argv);
end;
Next_Arg := Next_Arg + 1;
end loop Scan_Args;
-- If -l (output license information) is given, it must be the only switch
if License then
if Arg_Count = 2 then
Output_License_Information;
Exit_Program (E_Success);
else
Set_Standard_Error;
Write_Str ("Can't use -l with another switch");
Write_Eol;
Try_Help;
Exit_Program (E_Fatal);
end if;
end if;
-- Handle --RTS switch
if RTS_Specified /= null then
Search_RTS (RTS_Specified.all);
end if;
-- Add the source and object directories specified on the command line, if
-- any, to the searched directories.
while First_Source_Dir /= null loop
Add_Src_Search_Dir (First_Source_Dir.Value.all);
First_Source_Dir := First_Source_Dir.Next;
end loop;
while First_Lib_Dir /= null loop
Add_Lib_Search_Dir (First_Lib_Dir.Value.all);
First_Lib_Dir := First_Lib_Dir.Next;
end loop;
-- Finally, add the default directories
Osint.Add_Default_Search_Dirs;
-- If --RTS= is not specified, check if there is a default runtime
if RTS_Specified = null then
declare
FD : File_Descriptor;
Text : Source_Buffer_Ptr;
Hi : Source_Ptr;
begin
Name_Buffer (1 .. 10) := "system.ads";
Name_Len := 10;
Read_Source_File (Name_Find, 0, Hi, Text, FD);
if Null_Source_Buffer_Ptr (Text) then
No_Runtime := True;
end if;
end;
end if;
if Verbose_Mode then
Write_Eol;
Display_Version ("GNATLS", "1997");
Write_Eol;
if No_Runtime then
Write_Str
("Default runtime not available. Use --RTS= with a valid runtime");
Write_Eol;
Write_Eol;
Exit_Status := E_Warnings;
end if;
Write_Str ("Source Search Path:");
Write_Eol;
for J in 1 .. Nb_Dir_In_Src_Search_Path loop
Write_Str (" ");
if Dir_In_Src_Search_Path (J)'Length = 0 then
Write_Str ("<Current_Directory>");
Write_Eol;
elsif not No_Runtime then
Write_Str
(Normalize
(To_Host_Dir_Spec
(Dir_In_Src_Search_Path (J).all, True).all));
Write_Eol;
end if;
end loop;
Write_Eol;
Write_Eol;
Write_Str ("Object Search Path:");
Write_Eol;
for J in 1 .. Nb_Dir_In_Obj_Search_Path loop
Write_Str (" ");
if Dir_In_Obj_Search_Path (J)'Length = 0 then
Write_Str ("<Current_Directory>");
Write_Eol;
elsif not No_Runtime then
Write_Str
(Normalize
(To_Host_Dir_Spec
(Dir_In_Obj_Search_Path (J).all, True).all));
Write_Eol;
end if;
end loop;
Write_Eol;
Write_Eol;
Write_Str (Project_Search_Path);
Write_Eol;
Write_Str (" <Current_Directory>");
Write_Eol;
Prj_Env.Initialize_Default_Project_Path
(Prj_Path, Target_Name => Sdefault.Target_Name.all);
declare
First : Natural;
Last : Natural;
begin
if Prj_Path.all /= "" then
First := Prj_Path'First;
loop
while First <= Prj_Path'Last
and then (Prj_Path (First) = Path_Separator)
loop
First := First + 1;
end loop;
exit when First > Prj_Path'Last;
Last := First;
while Last < Prj_Path'Last
and then Prj_Path (Last + 1) /= Path_Separator
loop
Last := Last + 1;
end loop;
if First /= Last or else Prj_Path (First) /= '.' then
-- If the directory is ".", skip it as it is the current
-- directory and it is already the first directory in the
-- project path.
Write_Str (" ");
Write_Str
(Normalize
(To_Host_Dir_Spec
(Prj_Path (First .. Last), True).all));
Write_Eol;
end if;
First := Last + 1;
end loop;
end if;
end;
Write_Eol;
end if;
-- Output usage information when requested
if Print_Usage then
Usage;
end if;
if not More_Lib_Files then
if not Print_Usage and then not Verbose_Mode then
if Arg_Count = 1 then
Usage;
else
Try_Help;
Exit_Status := E_Fatal;
end if;
end if;
Exit_Program (Exit_Status);
end if;
Initialize_ALI;
Initialize_ALI_Source;
-- Print out all libraries for which no ALI files can be located
while More_Lib_Files loop
Main_File := Next_Main_Lib_File;
Ali_File := Full_Lib_File_Name (Lib_File_Name (Main_File));
if Ali_File = No_File then
if Very_Verbose_Mode then
GNATDIST.Output_No_ALI (Lib_File_Name (Main_File));
else
Set_Standard_Error;
Write_Str ("Can't find library info for ");
Get_Name_String (Main_File);
Write_Char ('"'); -- "
Write_Str (Name_Buffer (1 .. Name_Len));
Write_Char ('"'); -- "
Write_Eol;
Exit_Status := E_Fatal;
end if;
else
Ali_File := Strip_Directory (Ali_File);
if Get_Name_Table_Int (Ali_File) = 0 then
Text := Read_Library_Info (Ali_File, True);
declare
Discard : ALI_Id;
begin
Discard :=
Scan_ALI
(Ali_File,
Text,
Err => False,
Ignore_Errors => True);
end;
Free (Text);
end if;
end if;
end loop;
-- Reset default output file descriptor, if needed
Set_Standard_Output;
if Very_Verbose_Mode then
for A in ALIs.First .. ALIs.Last loop
GNATDIST.Output_ALI (A);
end loop;
return;
end if;
Find_General_Layout;
for Id in ALIs.First .. ALIs.Last loop
declare
Last_U : Unit_Id;
begin
Get_Name_String (Units.Table (ALIs.Table (Id).First_Unit).Uname);
if Also_Predef or else not Is_Internal_Unit then
if ALIs.Table (Id).No_Object then
Output_Object (No_File);
else
Output_Object (ALIs.Table (Id).Ofile_Full_Name);
end if;
-- In verbose mode print all main units in the ALI file, otherwise
-- just print the first one to ease columnwise printout
if Verbose_Mode then
Last_U := ALIs.Table (Id).Last_Unit;
else
Last_U := ALIs.Table (Id).First_Unit;
end if;
for U in ALIs.Table (Id).First_Unit .. Last_U loop
if U /= ALIs.Table (Id).First_Unit
and then Selective_Output
and then Print_Unit
then
Write_Eol;
end if;
Output_Unit (Id, U);
-- Output source now, unless if it will be done as part of
-- outputing dependencies.
if not (Dependable and then Print_Source) then
Output_Source (Corresponding_Sdep_Entry (Id, U));
end if;
end loop;
-- Print out list of units on which this unit depends (D lines)
if Dependable and then Print_Source then
if Verbose_Mode then
Write_Str ("depends upon");
Write_Eol;
Write_Str (" ");
else
Write_Eol;
end if;
for D in
ALIs.Table (Id).First_Sdep .. ALIs.Table (Id).Last_Sdep
loop
if Also_Predef
or else not Is_Internal_File_Name (Sdep.Table (D).Sfile)
then
if Verbose_Mode then
Write_Str (" ");
Output_Source (D);
elsif Too_Long then
Write_Str (" ");
Output_Source (D);
Write_Eol;
else
Write_Str (Spaces (1 .. Source_Start - 2));
Output_Source (D);
Write_Eol;
end if;
end if;
end loop;
end if;
Write_Eol;
end if;
end;
end loop;
-- All done. Set proper exit status
Namet.Finalize;
Exit_Program (Exit_Status);
end Gnatls;
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