/usr/lib/gcc-cross/powerpc-linux-gnu/5/adainclude/gnatprj/prj-env.adb is in libgnatprj5-dev-powerpc-cross 5.5.0-12ubuntu1cross1.
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-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- P R J . E N V --
-- --
-- B o d y --
-- --
-- Copyright (C) 2001-2014, 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 Fmap;
with Makeutl; use Makeutl;
with Opt;
with Osint; use Osint;
with Output; use Output;
with Prj.Com; use Prj.Com;
with Sdefault;
with Tempdir;
with Ada.Text_IO; use Ada.Text_IO;
with GNAT.Directory_Operations; use GNAT.Directory_Operations;
package body Prj.Env is
Buffer_Initial : constant := 1_000;
-- Initial arbitrary size of buffers
Uninitialized_Prefix : constant String := '#' & Path_Separator;
-- Prefix to indicate that the project path has not been initialized yet.
-- Must be two characters long
No_Project_Default_Dir : constant String := "-";
-- Indicator in the project path to indicate that the default search
-- directories should not be added to the path
-----------------------
-- Local Subprograms --
-----------------------
package Source_Path_Table is new GNAT.Dynamic_Tables
(Table_Component_Type => Name_Id,
Table_Index_Type => Natural,
Table_Low_Bound => 1,
Table_Initial => 50,
Table_Increment => 100);
-- A table to store the source dirs before creating the source path file
package Object_Path_Table is new GNAT.Dynamic_Tables
(Table_Component_Type => Path_Name_Type,
Table_Index_Type => Natural,
Table_Low_Bound => 1,
Table_Initial => 50,
Table_Increment => 100);
-- A table to store the object dirs, before creating the object path file
procedure Add_To_Buffer
(S : String;
Buffer : in out String_Access;
Buffer_Last : in out Natural);
-- Add a string to Buffer, extending Buffer if needed
procedure Add_To_Path
(Source_Dirs : String_List_Id;
Shared : Shared_Project_Tree_Data_Access;
Buffer : in out String_Access;
Buffer_Last : in out Natural);
-- Add to Ada_Path_Buffer all the source directories in string list
-- Source_Dirs, if any.
procedure Add_To_Path
(Dir : String;
Buffer : in out String_Access;
Buffer_Last : in out Natural);
-- If Dir is not already in the global variable Ada_Path_Buffer, add it.
-- If Buffer_Last /= 0, prepend a Path_Separator character to Path.
procedure Add_To_Source_Path
(Source_Dirs : String_List_Id;
Shared : Shared_Project_Tree_Data_Access;
Source_Paths : in out Source_Path_Table.Instance);
-- Add to Ada_Path_B all the source directories in string list
-- Source_Dirs, if any. Increment Ada_Path_Length.
procedure Add_To_Object_Path
(Object_Dir : Path_Name_Type;
Object_Paths : in out Object_Path_Table.Instance);
-- Add Object_Dir to object path table. Make sure it is not duplicate
-- and it is the last one in the current table.
----------------------
-- Ada_Include_Path --
----------------------
function Ada_Include_Path
(Project : Project_Id;
In_Tree : Project_Tree_Ref;
Recursive : Boolean := False) return String
is
Buffer : String_Access;
Buffer_Last : Natural := 0;
procedure Add
(Project : Project_Id;
In_Tree : Project_Tree_Ref;
Dummy : in out Boolean);
-- Add source dirs of Project to the path
---------
-- Add --
---------
procedure Add
(Project : Project_Id;
In_Tree : Project_Tree_Ref;
Dummy : in out Boolean)
is
begin
Add_To_Path
(Project.Source_Dirs, In_Tree.Shared, Buffer, Buffer_Last);
end Add;
procedure For_All_Projects is
new For_Every_Project_Imported (Boolean, Add);
Dummy : Boolean := False;
-- Start of processing for Ada_Include_Path
begin
if Recursive then
-- If it is the first time we call this function for this project,
-- compute the source path.
if Project.Ada_Include_Path = null then
Buffer := new String (1 .. Buffer_Initial);
For_All_Projects
(Project, In_Tree, Dummy, Include_Aggregated => True);
Project.Ada_Include_Path := new String'(Buffer (1 .. Buffer_Last));
Free (Buffer);
end if;
return Project.Ada_Include_Path.all;
else
Buffer := new String (1 .. Buffer_Initial);
Add_To_Path
(Project.Source_Dirs, In_Tree.Shared, Buffer, Buffer_Last);
declare
Result : constant String := Buffer (1 .. Buffer_Last);
begin
Free (Buffer);
return Result;
end;
end if;
end Ada_Include_Path;
----------------------
-- Ada_Objects_Path --
----------------------
function Ada_Objects_Path
(Project : Project_Id;
In_Tree : Project_Tree_Ref;
Including_Libraries : Boolean := True) return String_Access
is
Buffer : String_Access;
Buffer_Last : Natural := 0;
procedure Add
(Project : Project_Id;
In_Tree : Project_Tree_Ref;
Dummy : in out Boolean);
-- Add all the object directories of a project to the path
---------
-- Add --
---------
procedure Add
(Project : Project_Id;
In_Tree : Project_Tree_Ref;
Dummy : in out Boolean)
is
pragma Unreferenced (In_Tree);
Path : constant Path_Name_Type :=
Get_Object_Directory
(Project,
Including_Libraries => Including_Libraries,
Only_If_Ada => False);
begin
if Path /= No_Path then
Add_To_Path (Get_Name_String (Path), Buffer, Buffer_Last);
end if;
end Add;
procedure For_All_Projects is
new For_Every_Project_Imported (Boolean, Add);
Dummy : Boolean := False;
Result : String_Access;
-- Start of processing for Ada_Objects_Path
begin
-- If it is the first time we call this function for
-- this project, compute the objects path
if Including_Libraries and then Project.Ada_Objects_Path /= null then
return Project.Ada_Objects_Path;
elsif not Including_Libraries
and then Project.Ada_Objects_Path_No_Libs /= null
then
return Project.Ada_Objects_Path_No_Libs;
else
Buffer := new String (1 .. Buffer_Initial);
For_All_Projects (Project, In_Tree, Dummy);
Result := new String'(Buffer (1 .. Buffer_Last));
Free (Buffer);
if Including_Libraries then
Project.Ada_Objects_Path := Result;
else
Project.Ada_Objects_Path_No_Libs := Result;
end if;
return Result;
end if;
end Ada_Objects_Path;
-------------------
-- Add_To_Buffer --
-------------------
procedure Add_To_Buffer
(S : String;
Buffer : in out String_Access;
Buffer_Last : in out Natural)
is
Last : constant Natural := Buffer_Last + S'Length;
begin
while Last > Buffer'Last loop
declare
New_Buffer : constant String_Access :=
new String (1 .. 2 * Buffer'Last);
begin
New_Buffer (1 .. Buffer_Last) := Buffer (1 .. Buffer_Last);
Free (Buffer);
Buffer := New_Buffer;
end;
end loop;
Buffer (Buffer_Last + 1 .. Last) := S;
Buffer_Last := Last;
end Add_To_Buffer;
------------------------
-- Add_To_Object_Path --
------------------------
procedure Add_To_Object_Path
(Object_Dir : Path_Name_Type;
Object_Paths : in out Object_Path_Table.Instance)
is
begin
-- Check if the directory is already in the table
for Index in
Object_Path_Table.First .. Object_Path_Table.Last (Object_Paths)
loop
-- If it is, remove it, and add it as the last one
if Object_Paths.Table (Index) = Object_Dir then
for Index2 in
Index + 1 .. Object_Path_Table.Last (Object_Paths)
loop
Object_Paths.Table (Index2 - 1) := Object_Paths.Table (Index2);
end loop;
Object_Paths.Table
(Object_Path_Table.Last (Object_Paths)) := Object_Dir;
return;
end if;
end loop;
-- The directory is not already in the table, add it
Object_Path_Table.Append (Object_Paths, Object_Dir);
end Add_To_Object_Path;
-----------------
-- Add_To_Path --
-----------------
procedure Add_To_Path
(Source_Dirs : String_List_Id;
Shared : Shared_Project_Tree_Data_Access;
Buffer : in out String_Access;
Buffer_Last : in out Natural)
is
Current : String_List_Id;
Source_Dir : String_Element;
begin
Current := Source_Dirs;
while Current /= Nil_String loop
Source_Dir := Shared.String_Elements.Table (Current);
Add_To_Path (Get_Name_String (Source_Dir.Display_Value),
Buffer, Buffer_Last);
Current := Source_Dir.Next;
end loop;
end Add_To_Path;
procedure Add_To_Path
(Dir : String;
Buffer : in out String_Access;
Buffer_Last : in out Natural)
is
Len : Natural;
New_Buffer : String_Access;
Min_Len : Natural;
function Is_Present (Path : String; Dir : String) return Boolean;
-- Return True if Dir is part of Path
----------------
-- Is_Present --
----------------
function Is_Present (Path : String; Dir : String) return Boolean is
Last : constant Integer := Path'Last - Dir'Length + 1;
begin
for J in Path'First .. Last loop
-- Note: the order of the conditions below is important, since
-- it ensures a minimal number of string comparisons.
if (J = Path'First or else Path (J - 1) = Path_Separator)
and then
(J + Dir'Length > Path'Last
or else Path (J + Dir'Length) = Path_Separator)
and then Dir = Path (J .. J + Dir'Length - 1)
then
return True;
end if;
end loop;
return False;
end Is_Present;
-- Start of processing for Add_To_Path
begin
if Is_Present (Buffer (1 .. Buffer_Last), Dir) then
-- Dir is already in the path, nothing to do
return;
end if;
Min_Len := Buffer_Last + Dir'Length;
if Buffer_Last > 0 then
-- Add 1 for the Path_Separator character
Min_Len := Min_Len + 1;
end if;
-- If Ada_Path_Buffer is too small, increase it
Len := Buffer'Last;
if Len < Min_Len then
loop
Len := Len * 2;
exit when Len >= Min_Len;
end loop;
New_Buffer := new String (1 .. Len);
New_Buffer (1 .. Buffer_Last) := Buffer (1 .. Buffer_Last);
Free (Buffer);
Buffer := New_Buffer;
end if;
if Buffer_Last > 0 then
Buffer_Last := Buffer_Last + 1;
Buffer (Buffer_Last) := Path_Separator;
end if;
Buffer (Buffer_Last + 1 .. Buffer_Last + Dir'Length) := Dir;
Buffer_Last := Buffer_Last + Dir'Length;
end Add_To_Path;
------------------------
-- Add_To_Source_Path --
------------------------
procedure Add_To_Source_Path
(Source_Dirs : String_List_Id;
Shared : Shared_Project_Tree_Data_Access;
Source_Paths : in out Source_Path_Table.Instance)
is
Current : String_List_Id;
Source_Dir : String_Element;
Add_It : Boolean;
begin
-- Add each source directory
Current := Source_Dirs;
while Current /= Nil_String loop
Source_Dir := Shared.String_Elements.Table (Current);
Add_It := True;
-- Check if the source directory is already in the table
for Index in
Source_Path_Table.First .. Source_Path_Table.Last (Source_Paths)
loop
-- If it is already, no need to add it
if Source_Paths.Table (Index) = Source_Dir.Value then
Add_It := False;
exit;
end if;
end loop;
if Add_It then
Source_Path_Table.Append (Source_Paths, Source_Dir.Display_Value);
end if;
-- Next source directory
Current := Source_Dir.Next;
end loop;
end Add_To_Source_Path;
--------------------------------
-- Create_Config_Pragmas_File --
--------------------------------
procedure Create_Config_Pragmas_File
(For_Project : Project_Id;
In_Tree : Project_Tree_Ref)
is
type Naming_Id is new Nat;
package Naming_Table is new GNAT.Dynamic_Tables
(Table_Component_Type => Lang_Naming_Data,
Table_Index_Type => Naming_Id,
Table_Low_Bound => 1,
Table_Initial => 5,
Table_Increment => 100);
Default_Naming : constant Naming_Id := Naming_Table.First;
Namings : Naming_Table.Instance;
-- Table storing the naming data for gnatmake/gprmake
Buffer : String_Access := new String (1 .. Buffer_Initial);
Buffer_Last : Natural := 0;
File_Name : Path_Name_Type := No_Path;
File : File_Descriptor := Invalid_FD;
Current_Naming : Naming_Id;
procedure Check
(Project : Project_Id;
In_Tree : Project_Tree_Ref;
State : in out Integer);
-- Recursive procedure that put in the config pragmas file any non
-- standard naming schemes, if it is not already in the file, then call
-- itself for any imported project.
procedure Put (Source : Source_Id);
-- Put an SFN pragma in the temporary file
procedure Put (S : String);
procedure Put_Line (S : String);
-- Output procedures, analogous to normal Text_IO procs of same name.
-- The text is put in Buffer, then it will be written into a temporary
-- file with procedure Write_Temp_File below.
procedure Write_Temp_File;
-- Create a temporary file and put the content of the buffer in it
-----------
-- Check --
-----------
procedure Check
(Project : Project_Id;
In_Tree : Project_Tree_Ref;
State : in out Integer)
is
pragma Unreferenced (State);
Lang : constant Language_Ptr :=
Get_Language_From_Name (Project, "ada");
Naming : Lang_Naming_Data;
Iter : Source_Iterator;
Source : Source_Id;
begin
if Current_Verbosity = High then
Debug_Output ("Checking project file:", Project.Name);
end if;
if Lang = null then
if Current_Verbosity = High then
Debug_Output ("Languages does not contain Ada, nothing to do");
end if;
return;
end if;
-- Visit all the files and process those that need an SFN pragma
Iter := For_Each_Source (In_Tree, Project);
while Element (Iter) /= No_Source loop
Source := Element (Iter);
if not Source.Locally_Removed
and then Source.Unit /= null
and then
(Source.Index >= 1 or else Source.Naming_Exception /= No)
then
Put (Source);
end if;
Next (Iter);
end loop;
Naming := Lang.Config.Naming_Data;
-- Is the naming scheme of this project one that we know?
Current_Naming := Default_Naming;
while Current_Naming <= Naming_Table.Last (Namings)
and then Namings.Table (Current_Naming).Dot_Replacement =
Naming.Dot_Replacement
and then Namings.Table (Current_Naming).Casing =
Naming.Casing
and then Namings.Table (Current_Naming).Separate_Suffix =
Naming.Separate_Suffix
loop
Current_Naming := Current_Naming + 1;
end loop;
-- If we don't know it, add it
if Current_Naming > Naming_Table.Last (Namings) then
Naming_Table.Increment_Last (Namings);
Namings.Table (Naming_Table.Last (Namings)) := Naming;
-- Put the SFN pragmas for the naming scheme
-- Spec
Put_Line
("pragma Source_File_Name_Project");
Put_Line
(" (Spec_File_Name => ""*" &
Get_Name_String (Naming.Spec_Suffix) & """,");
Put_Line
(" Casing => " &
Image (Naming.Casing) & ",");
Put_Line
(" Dot_Replacement => """ &
Get_Name_String (Naming.Dot_Replacement) & """);");
-- and body
Put_Line
("pragma Source_File_Name_Project");
Put_Line
(" (Body_File_Name => ""*" &
Get_Name_String (Naming.Body_Suffix) & """,");
Put_Line
(" Casing => " &
Image (Naming.Casing) & ",");
Put_Line
(" Dot_Replacement => """ &
Get_Name_String (Naming.Dot_Replacement) &
""");");
-- and maybe separate
if Naming.Body_Suffix /= Naming.Separate_Suffix then
Put_Line ("pragma Source_File_Name_Project");
Put_Line
(" (Subunit_File_Name => ""*" &
Get_Name_String (Naming.Separate_Suffix) & """,");
Put_Line
(" Casing => " &
Image (Naming.Casing) & ",");
Put_Line
(" Dot_Replacement => """ &
Get_Name_String (Naming.Dot_Replacement) &
""");");
end if;
end if;
end Check;
---------
-- Put --
---------
procedure Put (Source : Source_Id) is
begin
-- Put the pragma SFN for the unit kind (spec or body)
Put ("pragma Source_File_Name_Project (");
Put (Namet.Get_Name_String (Source.Unit.Name));
if Source.Kind = Spec then
Put (", Spec_File_Name => """);
else
Put (", Body_File_Name => """);
end if;
Put (Namet.Get_Name_String (Source.File));
Put ("""");
if Source.Index /= 0 then
Put (", Index =>");
Put (Source.Index'Img);
end if;
Put_Line (");");
end Put;
procedure Put (S : String) is
begin
Add_To_Buffer (S, Buffer, Buffer_Last);
if Current_Verbosity = High then
Write_Str (S);
end if;
end Put;
--------------
-- Put_Line --
--------------
procedure Put_Line (S : String) is
begin
-- Add an ASCII.LF to the string. As this config file is supposed to
-- be used only by the compiler, we don't care about the characters
-- for the end of line. In fact we could have put a space, but
-- it is more convenient to be able to read gnat.adc during
-- development, for which the ASCII.LF is fine.
Put (S);
Put (S => (1 => ASCII.LF));
end Put_Line;
---------------------
-- Write_Temp_File --
---------------------
procedure Write_Temp_File is
Status : Boolean := False;
Last : Natural;
begin
Tempdir.Create_Temp_File (File, File_Name);
if File /= Invalid_FD then
Last := Write (File, Buffer (1)'Address, Buffer_Last);
if Last = Buffer_Last then
Close (File, Status);
end if;
end if;
if not Status then
Prj.Com.Fail ("unable to create temporary file");
end if;
end Write_Temp_File;
procedure Check_Imported_Projects is
new For_Every_Project_Imported (Integer, Check);
Dummy : Integer := 0;
-- Start of processing for Create_Config_Pragmas_File
begin
if not For_Project.Config_Checked then
Naming_Table.Init (Namings);
-- Check the naming schemes
Check_Imported_Projects
(For_Project, In_Tree, Dummy, Imported_First => False);
-- If there are no non standard naming scheme, issue the GNAT
-- standard naming scheme. This will tell the compiler that
-- a project file is used and will forbid any pragma SFN.
if Buffer_Last = 0 then
Put_Line ("pragma Source_File_Name_Project");
Put_Line (" (Spec_File_Name => ""*.ads"",");
Put_Line (" Dot_Replacement => ""-"",");
Put_Line (" Casing => lowercase);");
Put_Line ("pragma Source_File_Name_Project");
Put_Line (" (Body_File_Name => ""*.adb"",");
Put_Line (" Dot_Replacement => ""-"",");
Put_Line (" Casing => lowercase);");
end if;
-- Close the temporary file
Write_Temp_File;
if Opt.Verbose_Mode then
Write_Str ("Created configuration file """);
Write_Str (Get_Name_String (File_Name));
Write_Line ("""");
end if;
For_Project.Config_File_Name := File_Name;
For_Project.Config_File_Temp := True;
For_Project.Config_Checked := True;
end if;
Free (Buffer);
end Create_Config_Pragmas_File;
--------------------
-- Create_Mapping --
--------------------
procedure Create_Mapping (In_Tree : Project_Tree_Ref) is
Data : Source_Id;
Iter : Source_Iterator;
begin
Fmap.Reset_Tables;
Iter := For_Each_Source (In_Tree);
loop
Data := Element (Iter);
exit when Data = No_Source;
if Data.Unit /= No_Unit_Index then
if Data.Locally_Removed and then not Data.Suppressed then
Fmap.Add_Forbidden_File_Name (Data.File);
else
Fmap.Add_To_File_Map
(Unit_Name => Unit_Name_Type (Data.Unit.Name),
File_Name => Data.File,
Path_Name => File_Name_Type (Data.Path.Display_Name));
end if;
end if;
Next (Iter);
end loop;
end Create_Mapping;
-------------------------
-- Create_Mapping_File --
-------------------------
procedure Create_Mapping_File
(Project : Project_Id;
Language : Name_Id;
In_Tree : Project_Tree_Ref;
Name : out Path_Name_Type)
is
File : File_Descriptor := Invalid_FD;
Buffer : String_Access := new String (1 .. Buffer_Initial);
Buffer_Last : Natural := 0;
procedure Put_Name_Buffer;
-- Put the line contained in the Name_Buffer in the global buffer
procedure Process
(Project : Project_Id;
In_Tree : Project_Tree_Ref;
State : in out Integer);
-- Generate the mapping file for Project (not recursively)
---------------------
-- Put_Name_Buffer --
---------------------
procedure Put_Name_Buffer is
begin
if Current_Verbosity = High then
Debug_Output (Name_Buffer (1 .. Name_Len));
end if;
Name_Len := Name_Len + 1;
Name_Buffer (Name_Len) := ASCII.LF;
Add_To_Buffer (Name_Buffer (1 .. Name_Len), Buffer, Buffer_Last);
end Put_Name_Buffer;
-------------
-- Process --
-------------
procedure Process
(Project : Project_Id;
In_Tree : Project_Tree_Ref;
State : in out Integer)
is
pragma Unreferenced (State);
Source : Source_Id;
Suffix : File_Name_Type;
Iter : Source_Iterator;
begin
Debug_Output ("Add mapping for project", Project.Name);
Iter := For_Each_Source (In_Tree, Project, Language => Language);
loop
Source := Prj.Element (Iter);
exit when Source = No_Source;
if not Source.Suppressed
and then Source.Replaced_By = No_Source
and then Source.Path.Name /= No_Path
and then (Source.Language.Config.Kind = File_Based
or else Source.Unit /= No_Unit_Index)
then
if Source.Unit /= No_Unit_Index then
-- Put the encoded unit name in the name buffer
declare
Uname : constant String :=
Get_Name_String (Source.Unit.Name);
begin
Name_Len := 0;
for J in Uname'Range loop
if Uname (J) in Upper_Half_Character then
Store_Encoded_Character (Get_Char_Code (Uname (J)));
else
Add_Char_To_Name_Buffer (Uname (J));
end if;
end loop;
end;
if Source.Language.Config.Kind = Unit_Based then
-- ??? Mapping_Spec_Suffix could be set in the case of
-- gnatmake as well
Add_Char_To_Name_Buffer ('%');
if Source.Kind = Spec then
Add_Char_To_Name_Buffer ('s');
else
Add_Char_To_Name_Buffer ('b');
end if;
else
case Source.Kind is
when Spec =>
Suffix :=
Source.Language.Config.Mapping_Spec_Suffix;
when Impl | Sep =>
Suffix :=
Source.Language.Config.Mapping_Body_Suffix;
end case;
if Suffix /= No_File then
Add_Str_To_Name_Buffer (Get_Name_String (Suffix));
end if;
end if;
Put_Name_Buffer;
end if;
Get_Name_String (Source.Display_File);
Put_Name_Buffer;
if Source.Locally_Removed then
Name_Len := 1;
Name_Buffer (1) := '/';
else
Get_Name_String (Source.Path.Display_Name);
end if;
Put_Name_Buffer;
end if;
Next (Iter);
end loop;
end Process;
procedure For_Every_Imported_Project is new
For_Every_Project_Imported (State => Integer, Action => Process);
-- Local variables
Dummy : Integer := 0;
-- Start of processing for Create_Mapping_File
begin
if Current_Verbosity = High then
Debug_Output ("Create mapping file for", Debug_Name (In_Tree));
end if;
Create_Temp_File (In_Tree.Shared, File, Name, "mapping");
if Current_Verbosity = High then
Debug_Increase_Indent ("Create mapping file ", Name_Id (Name));
end if;
For_Every_Imported_Project
(Project, In_Tree, Dummy, Include_Aggregated => False);
declare
Last : Natural;
Status : Boolean := False;
begin
if File /= Invalid_FD then
Last := Write (File, Buffer (1)'Address, Buffer_Last);
if Last = Buffer_Last then
GNAT.OS_Lib.Close (File, Status);
end if;
end if;
if not Status then
Prj.Com.Fail ("could not write mapping file");
end if;
end;
Free (Buffer);
Debug_Decrease_Indent ("Done create mapping file");
end Create_Mapping_File;
----------------------
-- Create_Temp_File --
----------------------
procedure Create_Temp_File
(Shared : Shared_Project_Tree_Data_Access;
Path_FD : out File_Descriptor;
Path_Name : out Path_Name_Type;
File_Use : String)
is
begin
Tempdir.Create_Temp_File (Path_FD, Path_Name);
if Path_Name /= No_Path then
if Current_Verbosity = High then
Write_Line ("Create temp file (" & File_Use & ") "
& Get_Name_String (Path_Name));
end if;
Record_Temp_File (Shared, Path_Name);
else
Prj.Com.Fail
("unable to create temporary " & File_Use & " file");
end if;
end Create_Temp_File;
--------------------------
-- Create_New_Path_File --
--------------------------
procedure Create_New_Path_File
(Shared : Shared_Project_Tree_Data_Access;
Path_FD : out File_Descriptor;
Path_Name : out Path_Name_Type)
is
begin
Create_Temp_File (Shared, Path_FD, Path_Name, "path file");
end Create_New_Path_File;
------------------------------------
-- File_Name_Of_Library_Unit_Body --
------------------------------------
function File_Name_Of_Library_Unit_Body
(Name : String;
Project : Project_Id;
In_Tree : Project_Tree_Ref;
Main_Project_Only : Boolean := True;
Full_Path : Boolean := False) return String
is
Lang : constant Language_Ptr :=
Get_Language_From_Name (Project, "ada");
The_Project : Project_Id := Project;
Original_Name : String := Name;
Unit : Unit_Index;
The_Original_Name : Name_Id;
The_Spec_Name : Name_Id;
The_Body_Name : Name_Id;
begin
-- ??? Same block in Project_Of
Canonical_Case_File_Name (Original_Name);
Name_Len := Original_Name'Length;
Name_Buffer (1 .. Name_Len) := Original_Name;
The_Original_Name := Name_Find;
if Lang /= null then
declare
Naming : constant Lang_Naming_Data := Lang.Config.Naming_Data;
Extended_Spec_Name : String :=
Name & Namet.Get_Name_String
(Naming.Spec_Suffix);
Extended_Body_Name : String :=
Name & Namet.Get_Name_String
(Naming.Body_Suffix);
begin
Canonical_Case_File_Name (Extended_Spec_Name);
Name_Len := Extended_Spec_Name'Length;
Name_Buffer (1 .. Name_Len) := Extended_Spec_Name;
The_Spec_Name := Name_Find;
Canonical_Case_File_Name (Extended_Body_Name);
Name_Len := Extended_Body_Name'Length;
Name_Buffer (1 .. Name_Len) := Extended_Body_Name;
The_Body_Name := Name_Find;
end;
else
Name_Len := Name'Length;
Name_Buffer (1 .. Name_Len) := Name;
Canonical_Case_File_Name (Name_Buffer);
The_Spec_Name := Name_Find;
The_Body_Name := The_Spec_Name;
end if;
if Current_Verbosity = High then
Write_Str ("Looking for file name of """);
Write_Str (Name);
Write_Char ('"');
Write_Eol;
Write_Str (" Extended Spec Name = """);
Write_Str (Get_Name_String (The_Spec_Name));
Write_Char ('"');
Write_Eol;
Write_Str (" Extended Body Name = """);
Write_Str (Get_Name_String (The_Body_Name));
Write_Char ('"');
Write_Eol;
end if;
-- For extending project, search in the extended project if the source
-- is not found. For non extending projects, this loop will be run only
-- once.
loop
-- Loop through units
Unit := Units_Htable.Get_First (In_Tree.Units_HT);
while Unit /= null loop
-- Check for body
if not Main_Project_Only
or else
(Unit.File_Names (Impl) /= null
and then Unit.File_Names (Impl).Project = The_Project)
then
declare
Current_Name : File_Name_Type;
begin
-- Case of a body present
if Unit.File_Names (Impl) /= null then
Current_Name := Unit.File_Names (Impl).File;
if Current_Verbosity = High then
Write_Str (" Comparing with """);
Write_Str (Get_Name_String (Current_Name));
Write_Char ('"');
Write_Eol;
end if;
-- If it has the name of the original name, return the
-- original name.
if Unit.Name = The_Original_Name
or else
Current_Name = File_Name_Type (The_Original_Name)
then
if Current_Verbosity = High then
Write_Line (" OK");
end if;
if Full_Path then
return Get_Name_String
(Unit.File_Names (Impl).Path.Name);
else
return Get_Name_String (Current_Name);
end if;
-- If it has the name of the extended body name,
-- return the extended body name
elsif Current_Name = File_Name_Type (The_Body_Name) then
if Current_Verbosity = High then
Write_Line (" OK");
end if;
if Full_Path then
return Get_Name_String
(Unit.File_Names (Impl).Path.Name);
else
return Get_Name_String (The_Body_Name);
end if;
else
if Current_Verbosity = High then
Write_Line (" not good");
end if;
end if;
end if;
end;
end if;
-- Check for spec
if not Main_Project_Only
or else (Unit.File_Names (Spec) /= null
and then Unit.File_Names (Spec).Project = The_Project)
then
declare
Current_Name : File_Name_Type;
begin
-- Case of spec present
if Unit.File_Names (Spec) /= null then
Current_Name := Unit.File_Names (Spec).File;
if Current_Verbosity = High then
Write_Str (" Comparing with """);
Write_Str (Get_Name_String (Current_Name));
Write_Char ('"');
Write_Eol;
end if;
-- If name same as original name, return original name
if Unit.Name = The_Original_Name
or else
Current_Name = File_Name_Type (The_Original_Name)
then
if Current_Verbosity = High then
Write_Line (" OK");
end if;
if Full_Path then
return Get_Name_String
(Unit.File_Names (Spec).Path.Name);
else
return Get_Name_String (Current_Name);
end if;
-- If it has the same name as the extended spec name,
-- return the extended spec name.
elsif Current_Name = File_Name_Type (The_Spec_Name) then
if Current_Verbosity = High then
Write_Line (" OK");
end if;
if Full_Path then
return Get_Name_String
(Unit.File_Names (Spec).Path.Name);
else
return Get_Name_String (The_Spec_Name);
end if;
else
if Current_Verbosity = High then
Write_Line (" not good");
end if;
end if;
end if;
end;
end if;
Unit := Units_Htable.Get_Next (In_Tree.Units_HT);
end loop;
-- If we are not in an extending project, give up
exit when not Main_Project_Only
or else The_Project.Extends = No_Project;
-- Otherwise, look in the project we are extending
The_Project := The_Project.Extends;
end loop;
-- We don't know this file name, return an empty string
return "";
end File_Name_Of_Library_Unit_Body;
-------------------------
-- For_All_Object_Dirs --
-------------------------
procedure For_All_Object_Dirs
(Project : Project_Id;
Tree : Project_Tree_Ref)
is
procedure For_Project
(Prj : Project_Id;
Tree : Project_Tree_Ref;
Dummy : in out Integer);
-- Get all object directories of Prj
-----------------
-- For_Project --
-----------------
procedure For_Project
(Prj : Project_Id;
Tree : Project_Tree_Ref;
Dummy : in out Integer)
is
pragma Unreferenced (Tree);
begin
-- ??? Set_Ada_Paths has a different behavior for library project
-- files, should we have the same ?
if Prj.Object_Directory /= No_Path_Information then
Get_Name_String (Prj.Object_Directory.Display_Name);
Action (Name_Buffer (1 .. Name_Len));
end if;
end For_Project;
procedure Get_Object_Dirs is
new For_Every_Project_Imported (Integer, For_Project);
Dummy : Integer := 1;
-- Start of processing for For_All_Object_Dirs
begin
Get_Object_Dirs (Project, Tree, Dummy);
end For_All_Object_Dirs;
-------------------------
-- For_All_Source_Dirs --
-------------------------
procedure For_All_Source_Dirs
(Project : Project_Id;
In_Tree : Project_Tree_Ref)
is
procedure For_Project
(Prj : Project_Id;
In_Tree : Project_Tree_Ref;
Dummy : in out Integer);
-- Get all object directories of Prj
-----------------
-- For_Project --
-----------------
procedure For_Project
(Prj : Project_Id;
In_Tree : Project_Tree_Ref;
Dummy : in out Integer)
is
Current : String_List_Id := Prj.Source_Dirs;
The_String : String_Element;
begin
-- If there are Ada sources, call action with the name of every
-- source directory.
if Has_Ada_Sources (Prj) then
while Current /= Nil_String loop
The_String := In_Tree.Shared.String_Elements.Table (Current);
Action (Get_Name_String (The_String.Display_Value));
Current := The_String.Next;
end loop;
end if;
end For_Project;
procedure Get_Source_Dirs is
new For_Every_Project_Imported (Integer, For_Project);
Dummy : Integer := 1;
-- Start of processing for For_All_Source_Dirs
begin
Get_Source_Dirs (Project, In_Tree, Dummy);
end For_All_Source_Dirs;
-------------------
-- Get_Reference --
-------------------
procedure Get_Reference
(Source_File_Name : String;
In_Tree : Project_Tree_Ref;
Project : out Project_Id;
Path : out Path_Name_Type)
is
begin
-- Body below could use some comments ???
if Current_Verbosity > Default then
Write_Str ("Getting Reference_Of (""");
Write_Str (Source_File_Name);
Write_Str (""") ... ");
end if;
declare
Original_Name : String := Source_File_Name;
Unit : Unit_Index;
begin
Canonical_Case_File_Name (Original_Name);
Unit := Units_Htable.Get_First (In_Tree.Units_HT);
while Unit /= null loop
if Unit.File_Names (Spec) /= null
and then not Unit.File_Names (Spec).Locally_Removed
and then Unit.File_Names (Spec).File /= No_File
and then
(Namet.Get_Name_String
(Unit.File_Names (Spec).File) = Original_Name
or else (Unit.File_Names (Spec).Path /= No_Path_Information
and then
Namet.Get_Name_String
(Unit.File_Names (Spec).Path.Name) =
Original_Name))
then
Project :=
Ultimate_Extending_Project_Of
(Unit.File_Names (Spec).Project);
Path := Unit.File_Names (Spec).Path.Display_Name;
if Current_Verbosity > Default then
Write_Str ("Done: Spec.");
Write_Eol;
end if;
return;
elsif Unit.File_Names (Impl) /= null
and then Unit.File_Names (Impl).File /= No_File
and then not Unit.File_Names (Impl).Locally_Removed
and then
(Namet.Get_Name_String
(Unit.File_Names (Impl).File) = Original_Name
or else (Unit.File_Names (Impl).Path /= No_Path_Information
and then Namet.Get_Name_String
(Unit.File_Names (Impl).Path.Name) =
Original_Name))
then
Project :=
Ultimate_Extending_Project_Of
(Unit.File_Names (Impl).Project);
Path := Unit.File_Names (Impl).Path.Display_Name;
if Current_Verbosity > Default then
Write_Str ("Done: Body.");
Write_Eol;
end if;
return;
end if;
Unit := Units_Htable.Get_Next (In_Tree.Units_HT);
end loop;
end;
Project := No_Project;
Path := No_Path;
if Current_Verbosity > Default then
Write_Str ("Cannot be found.");
Write_Eol;
end if;
end Get_Reference;
----------------------
-- Get_Runtime_Path --
----------------------
function Get_Runtime_Path
(Self : Project_Search_Path;
Name : String) return String_Access
is
function Find_Rts_In_Path is
new Prj.Env.Find_Name_In_Path (Check_Filename => Is_Directory);
begin
return Find_Rts_In_Path (Self, Name);
end Get_Runtime_Path;
----------------
-- Initialize --
----------------
procedure Initialize (In_Tree : Project_Tree_Ref) is
begin
In_Tree.Shared.Private_Part.Current_Source_Path_File := No_Path;
In_Tree.Shared.Private_Part.Current_Object_Path_File := No_Path;
end Initialize;
-------------------
-- Print_Sources --
-------------------
-- Could use some comments in this body ???
procedure Print_Sources (In_Tree : Project_Tree_Ref) is
Unit : Unit_Index;
begin
Write_Line ("List of Sources:");
Unit := Units_Htable.Get_First (In_Tree.Units_HT);
while Unit /= No_Unit_Index loop
Write_Str (" ");
Write_Line (Namet.Get_Name_String (Unit.Name));
if Unit.File_Names (Spec).File /= No_File then
if Unit.File_Names (Spec).Project = No_Project then
Write_Line (" No project");
else
Write_Str (" Project: ");
Get_Name_String
(Unit.File_Names (Spec).Project.Path.Name);
Write_Line (Name_Buffer (1 .. Name_Len));
end if;
Write_Str (" spec: ");
Write_Line
(Namet.Get_Name_String
(Unit.File_Names (Spec).File));
end if;
if Unit.File_Names (Impl).File /= No_File then
if Unit.File_Names (Impl).Project = No_Project then
Write_Line (" No project");
else
Write_Str (" Project: ");
Get_Name_String
(Unit.File_Names (Impl).Project.Path.Name);
Write_Line (Name_Buffer (1 .. Name_Len));
end if;
Write_Str (" body: ");
Write_Line
(Namet.Get_Name_String (Unit.File_Names (Impl).File));
end if;
Unit := Units_Htable.Get_Next (In_Tree.Units_HT);
end loop;
Write_Line ("end of List of Sources.");
end Print_Sources;
----------------
-- Project_Of --
----------------
function Project_Of
(Name : String;
Main_Project : Project_Id;
In_Tree : Project_Tree_Ref) return Project_Id
is
Result : Project_Id := No_Project;
Original_Name : String := Name;
Lang : constant Language_Ptr :=
Get_Language_From_Name (Main_Project, "ada");
Unit : Unit_Index;
Current_Name : File_Name_Type;
The_Original_Name : File_Name_Type;
The_Spec_Name : File_Name_Type;
The_Body_Name : File_Name_Type;
begin
-- ??? Same block in File_Name_Of_Library_Unit_Body
Canonical_Case_File_Name (Original_Name);
Name_Len := Original_Name'Length;
Name_Buffer (1 .. Name_Len) := Original_Name;
The_Original_Name := Name_Find;
if Lang /= null then
declare
Naming : Lang_Naming_Data renames Lang.Config.Naming_Data;
Extended_Spec_Name : String :=
Name & Namet.Get_Name_String
(Naming.Spec_Suffix);
Extended_Body_Name : String :=
Name & Namet.Get_Name_String
(Naming.Body_Suffix);
begin
Canonical_Case_File_Name (Extended_Spec_Name);
Name_Len := Extended_Spec_Name'Length;
Name_Buffer (1 .. Name_Len) := Extended_Spec_Name;
The_Spec_Name := Name_Find;
Canonical_Case_File_Name (Extended_Body_Name);
Name_Len := Extended_Body_Name'Length;
Name_Buffer (1 .. Name_Len) := Extended_Body_Name;
The_Body_Name := Name_Find;
end;
else
The_Spec_Name := The_Original_Name;
The_Body_Name := The_Original_Name;
end if;
Unit := Units_Htable.Get_First (In_Tree.Units_HT);
while Unit /= null loop
-- Case of a body present
if Unit.File_Names (Impl) /= null then
Current_Name := Unit.File_Names (Impl).File;
-- If it has the name of the original name or the body name,
-- we have found the project.
if Unit.Name = Name_Id (The_Original_Name)
or else Current_Name = The_Original_Name
or else Current_Name = The_Body_Name
then
Result := Unit.File_Names (Impl).Project;
exit;
end if;
end if;
-- Check for spec
if Unit.File_Names (Spec) /= null then
Current_Name := Unit.File_Names (Spec).File;
-- If name same as the original name, or the spec name, we have
-- found the project.
if Unit.Name = Name_Id (The_Original_Name)
or else Current_Name = The_Original_Name
or else Current_Name = The_Spec_Name
then
Result := Unit.File_Names (Spec).Project;
exit;
end if;
end if;
Unit := Units_Htable.Get_Next (In_Tree.Units_HT);
end loop;
return Ultimate_Extending_Project_Of (Result);
end Project_Of;
-------------------
-- Set_Ada_Paths --
-------------------
procedure Set_Ada_Paths
(Project : Project_Id;
In_Tree : Project_Tree_Ref;
Including_Libraries : Boolean;
Include_Path : Boolean := True;
Objects_Path : Boolean := True)
is
Shared : constant Shared_Project_Tree_Data_Access := In_Tree.Shared;
Source_Paths : Source_Path_Table.Instance;
Object_Paths : Object_Path_Table.Instance;
-- List of source or object dirs. Only computed the first time this
-- procedure is called (since Source_FD is then reused)
Source_FD : File_Descriptor := Invalid_FD;
Object_FD : File_Descriptor := Invalid_FD;
-- The temporary files to store the paths. These are only created the
-- first time this procedure is called, and reused from then on.
Process_Source_Dirs : Boolean := False;
Process_Object_Dirs : Boolean := False;
Status : Boolean;
-- For calls to Close
Last : Natural;
Buffer : String_Access := new String (1 .. Buffer_Initial);
Buffer_Last : Natural := 0;
procedure Recursive_Add
(Project : Project_Id;
In_Tree : Project_Tree_Ref;
Dummy : in out Boolean);
-- Recursive procedure to add the source/object paths of extended/
-- imported projects.
-------------------
-- Recursive_Add --
-------------------
procedure Recursive_Add
(Project : Project_Id;
In_Tree : Project_Tree_Ref;
Dummy : in out Boolean)
is
pragma Unreferenced (In_Tree);
Path : Path_Name_Type;
begin
if Process_Source_Dirs then
-- Add to path all source directories of this project if there are
-- Ada sources.
if Has_Ada_Sources (Project) then
Add_To_Source_Path (Project.Source_Dirs, Shared, Source_Paths);
end if;
end if;
if Process_Object_Dirs then
Path := Get_Object_Directory
(Project,
Including_Libraries => Including_Libraries,
Only_If_Ada => True);
if Path /= No_Path then
Add_To_Object_Path (Path, Object_Paths);
end if;
end if;
end Recursive_Add;
procedure For_All_Projects is
new For_Every_Project_Imported (Boolean, Recursive_Add);
Dummy : Boolean := False;
-- Start of processing for Set_Ada_Paths
begin
-- If it is the first time we call this procedure for this project,
-- compute the source path and/or the object path.
if Include_Path and then Project.Include_Path_File = No_Path then
Source_Path_Table.Init (Source_Paths);
Process_Source_Dirs := True;
Create_New_Path_File (Shared, Source_FD, Project.Include_Path_File);
end if;
-- For the object path, we make a distinction depending on
-- Including_Libraries.
if Objects_Path and Including_Libraries then
if Project.Objects_Path_File_With_Libs = No_Path then
Object_Path_Table.Init (Object_Paths);
Process_Object_Dirs := True;
Create_New_Path_File
(Shared, Object_FD, Project.Objects_Path_File_With_Libs);
end if;
elsif Objects_Path then
if Project.Objects_Path_File_Without_Libs = No_Path then
Object_Path_Table.Init (Object_Paths);
Process_Object_Dirs := True;
Create_New_Path_File
(Shared, Object_FD, Project.Objects_Path_File_Without_Libs);
end if;
end if;
-- If there is something to do, set Seen to False for all projects,
-- then call the recursive procedure Add for Project.
if Process_Source_Dirs or Process_Object_Dirs then
For_All_Projects (Project, In_Tree, Dummy);
end if;
-- Write and close any file that has been created. Source_FD is not set
-- when this subprogram is called a second time or more, since we reuse
-- the previous version of the file.
if Source_FD /= Invalid_FD then
Buffer_Last := 0;
for Index in
Source_Path_Table.First .. Source_Path_Table.Last (Source_Paths)
loop
Get_Name_String (Source_Paths.Table (Index));
Name_Len := Name_Len + 1;
Name_Buffer (Name_Len) := ASCII.LF;
Add_To_Buffer (Name_Buffer (1 .. Name_Len), Buffer, Buffer_Last);
end loop;
Last := Write (Source_FD, Buffer (1)'Address, Buffer_Last);
if Last = Buffer_Last then
Close (Source_FD, Status);
else
Status := False;
end if;
if not Status then
Prj.Com.Fail ("could not write temporary file");
end if;
end if;
if Object_FD /= Invalid_FD then
Buffer_Last := 0;
for Index in
Object_Path_Table.First .. Object_Path_Table.Last (Object_Paths)
loop
Get_Name_String (Object_Paths.Table (Index));
Name_Len := Name_Len + 1;
Name_Buffer (Name_Len) := ASCII.LF;
Add_To_Buffer (Name_Buffer (1 .. Name_Len), Buffer, Buffer_Last);
end loop;
Last := Write (Object_FD, Buffer (1)'Address, Buffer_Last);
if Last = Buffer_Last then
Close (Object_FD, Status);
else
Status := False;
end if;
if not Status then
Prj.Com.Fail ("could not write temporary file");
end if;
end if;
-- Set the env vars, if they need to be changed, and set the
-- corresponding flags.
if Include_Path
and then
Shared.Private_Part.Current_Source_Path_File /=
Project.Include_Path_File
then
Shared.Private_Part.Current_Source_Path_File :=
Project.Include_Path_File;
Set_Path_File_Var
(Project_Include_Path_File,
Get_Name_String (Shared.Private_Part.Current_Source_Path_File));
end if;
if Objects_Path then
if Including_Libraries then
if Shared.Private_Part.Current_Object_Path_File /=
Project.Objects_Path_File_With_Libs
then
Shared.Private_Part.Current_Object_Path_File :=
Project.Objects_Path_File_With_Libs;
Set_Path_File_Var
(Project_Objects_Path_File,
Get_Name_String
(Shared.Private_Part.Current_Object_Path_File));
end if;
else
if Shared.Private_Part.Current_Object_Path_File /=
Project.Objects_Path_File_Without_Libs
then
Shared.Private_Part.Current_Object_Path_File :=
Project.Objects_Path_File_Without_Libs;
Set_Path_File_Var
(Project_Objects_Path_File,
Get_Name_String
(Shared.Private_Part.Current_Object_Path_File));
end if;
end if;
end if;
Free (Buffer);
end Set_Ada_Paths;
---------------------
-- Add_Directories --
---------------------
procedure Add_Directories
(Self : in out Project_Search_Path;
Path : String;
Prepend : Boolean := False)
is
Tmp : String_Access;
begin
if Self.Path = null then
Self.Path := new String'(Uninitialized_Prefix & Path);
else
Tmp := Self.Path;
if Prepend then
Self.Path := new String'(Path & Path_Separator & Tmp.all);
else
Self.Path := new String'(Tmp.all & Path_Separator & Path);
end if;
Free (Tmp);
end if;
if Current_Verbosity = High then
Debug_Output ("Adding directories to Project_Path: """
& Path & '"');
end if;
end Add_Directories;
--------------------
-- Is_Initialized --
--------------------
function Is_Initialized (Self : Project_Search_Path) return Boolean is
begin
return Self.Path /= null
and then (Self.Path'Length = 0
or else Self.Path (Self.Path'First) /= '#');
end Is_Initialized;
----------------------
-- Initialize_Empty --
----------------------
procedure Initialize_Empty (Self : in out Project_Search_Path) is
begin
Free (Self.Path);
Self.Path := new String'("");
end Initialize_Empty;
-------------------------------------
-- Initialize_Default_Project_Path --
-------------------------------------
procedure Initialize_Default_Project_Path
(Self : in out Project_Search_Path;
Target_Name : String;
Runtime_Name : String := "")
is
pragma Unreferenced (Target_Name);
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. variable 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;
-- Add :<prefix>/<target> to the project path
----------------
-- Add_Target --
----------------
procedure Add_Target is
begin
Add_Str_To_Name_Buffer
(Path_Separator & Prefix.all & Target_Name);
-- Note: Target_Name has a trailing / when it comes from Sdefault
if Name_Buffer (Name_Len) /= '/' then
Add_Char_To_Name_Buffer (Directory_Separator);
end if;
end Add_Target;
-- Start of processing for Initialize_Default_Project_Path
begin
if Is_Initialized (Self) 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 isn't
-- initialized, we simply replace '#' with '.'
if Self.Path = null then
Self.Path := new String'('.' & Path_Separator);
else
Self.Path (Self.Path'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
declare
File : Ada.Text_IO.File_Type;
Line : String (1 .. 10_000);
Last : Natural;
Tmp : String_Access;
begin
Open (File, In_File, Gpr_Prj_Path_File.all);
while not End_Of_File (File) loop
Get_Line (File, Line, Last);
if Last /= 0
and then (Last = 1 or else Line (1 .. 2) /= "--")
then
Tmp := Self.Path;
Self.Path :=
new String'
(Tmp.all & Path_Separator & Line (1 .. Last));
Free (Tmp);
end if;
if Current_Verbosity = High then
Debug_Output ("Adding directory to Project_Path: """
& Line (1 .. Last) & '"');
end if;
end loop;
Close (File);
exception
when others =>
Write_Str ("warning: could not read project path file """);
Write_Str (Gpr_Prj_Path_File.all);
Write_Line ("""");
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.Path'Length;
Name_Buffer (1 .. Name_Len) := Self.Path.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) = No_Project_Default_Dir then
Add_Default_Dir := False;
for J in Last + 1 .. Name_Len loop
Name_Buffer (J - No_Project_Default_Dir'Length - 1) :=
Name_Buffer (J);
end loop;
Name_Len := Name_Len - No_Project_Default_Dir'Length - 1;
-- 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.Path);
-- Set the initial value of Current_Project_Path
if Add_Default_Dir and Sdefault.Project_Dir_Prefix /= null then
Add_Str_To_Name_Buffer (Path_Separator
& Sdefault.Project_Dir_Prefix.all);
end if;
Self.Path := new String'(Name_Buffer (1 .. Name_Len));
end Initialize_Default_Project_Path;
--------------
-- Get_Path --
--------------
procedure Get_Path (Self : Project_Search_Path; Path : out String_Access) is
begin
pragma Assert (Is_Initialized (Self));
Path := Self.Path;
end Get_Path;
--------------
-- Set_Path --
--------------
procedure Set_Path (Self : in out Project_Search_Path; Path : String) is
begin
Free (Self.Path);
Self.Path := new String'(Path);
Projects_Paths.Reset (Self.Cache);
end Set_Path;
-----------------------
-- Find_Name_In_Path --
-----------------------
function Find_Name_In_Path
(Self : Project_Search_Path;
Path : String) return String_Access
is
First : Natural;
Last : Natural;
begin
if Current_Verbosity = High then
Debug_Output ("Trying " & Path);
end if;
if Is_Absolute_Path (Path) then
if Check_Filename (Path) then
return new String'(Path);
else
return null;
end if;
else
-- Because we don't want to resolve symbolic links, we cannot use
-- Locate_Regular_File. So, we try each possible path successively.
First := Self.Path'First;
while First <= Self.Path'Last loop
while First <= Self.Path'Last
and then Self.Path (First) = Path_Separator
loop
First := First + 1;
end loop;
exit when First > Self.Path'Last;
Last := First;
while Last < Self.Path'Last
and then Self.Path (Last + 1) /= Path_Separator
loop
Last := Last + 1;
end loop;
Name_Len := 0;
if not Is_Absolute_Path (Self.Path (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.Path (First .. Last));
Add_Char_To_Name_Buffer (Directory_Separator);
Add_Str_To_Name_Buffer (Path);
if Current_Verbosity = High then
Debug_Output ("Testing file " & Name_Buffer (1 .. Name_Len));
end if;
if Check_Filename (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 Find_Name_In_Path;
------------------
-- Find_Project --
------------------
procedure Find_Project
(Self : in out Project_Search_Path;
Project_File_Name : String;
Directory : String;
Path : out Namet.Path_Name_Type)
is
Result : String_Access;
Has_Dot : Boolean := False;
Key : Name_Id;
File : constant String := Project_File_Name;
-- Have to do a copy, in case the parameter is Name_Buffer, which we
-- modify below.
Cached_Path : Namet.Path_Name_Type;
-- This should be commented rather than making us guess from the name???
function Try_Path_Name is new
Find_Name_In_Path (Check_Filename => Is_Regular_File);
-- Find a file in the project search path
-- Start of processing for Find_Project
begin
pragma Assert (Is_Initialized (Self));
if Current_Verbosity = High then
Debug_Increase_Indent
("Searching for project """ & File & """ in """
& Directory & '"');
end if;
-- Check the project cache
Name_Len := File'Length;
Name_Buffer (1 .. Name_Len) := File;
Key := Name_Find;
Cached_Path := Projects_Paths.Get (Self.Cache, Key);
-- Check if File contains an extension (a dot before a
-- directory separator). If it is the case we do not try project file
-- with an added extension as it is not possible to have multiple dots
-- on a project file name.
Check_Dot : for K in reverse File'Range loop
if File (K) = '.' then
Has_Dot := True;
exit Check_Dot;
end if;
exit Check_Dot when Is_Directory_Separator (File (K));
end loop Check_Dot;
if not Is_Absolute_Path (File) then
-- If we have found project in the cache, check if in the directory
if Cached_Path /= No_Path then
declare
Cached : constant String := Get_Name_String (Cached_Path);
begin
if (not Has_Dot
and then Cached =
GNAT.OS_Lib.Normalize_Pathname
(File & Project_File_Extension,
Directory => Directory,
Resolve_Links => Opt.Follow_Links_For_Files,
Case_Sensitive => True))
or else
Cached =
GNAT.OS_Lib.Normalize_Pathname
(File,
Directory => Directory,
Resolve_Links => Opt.Follow_Links_For_Files,
Case_Sensitive => True)
then
Path := Cached_Path;
Debug_Decrease_Indent;
return;
end if;
end;
end if;
-- First we try <directory>/<file_name>.<extension>
if not Has_Dot then
Result :=
Try_Path_Name
(Self,
Directory & Directory_Separator
& File & Project_File_Extension);
end if;
-- Then we try <directory>/<file_name>
if Result = null then
Result :=
Try_Path_Name (Self, Directory & Directory_Separator & File);
end if;
end if;
-- If we found the path in the cache, this is the one
if Result = null and then Cached_Path /= No_Path then
Path := Cached_Path;
Debug_Decrease_Indent;
return;
end if;
-- Then we try <file_name>.<extension>
if Result = null and then not Has_Dot then
Result := Try_Path_Name (Self, File & Project_File_Extension);
end if;
-- Then we try <file_name>
if Result = null then
Result := Try_Path_Name (Self, File);
end if;
-- If we cannot find the project file, we return an empty string
if Result = null then
Path := Namet.No_Path;
return;
else
declare
Final_Result : constant String :=
GNAT.OS_Lib.Normalize_Pathname
(Result.all,
Directory => Directory,
Resolve_Links => Opt.Follow_Links_For_Files,
Case_Sensitive => True);
begin
Free (Result);
Name_Len := Final_Result'Length;
Name_Buffer (1 .. Name_Len) := Final_Result;
Path := Name_Find;
Projects_Paths.Set (Self.Cache, Key, Path);
end;
end if;
Debug_Decrease_Indent;
end Find_Project;
----------
-- Free --
----------
procedure Free (Self : in out Project_Search_Path) is
begin
Free (Self.Path);
Projects_Paths.Reset (Self.Cache);
end Free;
----------
-- Copy --
----------
procedure Copy (From : Project_Search_Path; To : out Project_Search_Path) is
begin
Free (To);
if From.Path /= null then
To.Path := new String'(From.Path.all);
end if;
-- No need to copy the Cache, it will be recomputed as needed
end Copy;
end Prj.Env;
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