-- --
-- B o d y --
-- --
--- Copyright (C) 2001-2009, Free Software Foundation, Inc. --
+-- Copyright (C) 2001-2011, 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- --
------------------------------------------------------------------------------
with Fmap;
+with Hostparm;
+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 GNAT.Directory_Operations; use GNAT.Directory_Operations;
+
package body Prj.Env is
Buffer_Initial : constant := 1_000;
-- Initial size of Buffer
+ 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 --
-----------------------
procedure Add_To_Path
(Source_Dirs : String_List_Id;
- In_Tree : Project_Tree_Ref;
+ 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
procedure Add_To_Source_Path
(Source_Dirs : String_List_Id;
- In_Tree : Project_Tree_Ref;
+ 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.
-- Return a project that is either Project or an extended ancestor of
-- Project that itself is not extended.
- procedure Create_Temp_File
- (In_Tree : Project_Tree_Ref;
- Path_FD : out File_Descriptor;
- Path_Name : out Path_Name_Type;
- File_Use : String);
- -- Create a temporary file, and fail with an error if it could not be
- -- created.
-
----------------------
-- Ada_Include_Path --
----------------------
Buffer : String_Access;
Buffer_Last : Natural := 0;
- procedure Add (Project : Project_Id; Dummy : in out Boolean);
+ 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; Dummy : in out Boolean) is
+ procedure Add
+ (Project : Project_Id;
+ In_Tree : Project_Tree_Ref;
+ Dummy : in out Boolean)
+ is
pragma Unreferenced (Dummy);
begin
- Add_To_Path (Project.Source_Dirs, In_Tree, Buffer, Buffer_Last);
+ Add_To_Path
+ (Project.Source_Dirs, In_Tree.Shared, Buffer, Buffer_Last);
end Add;
procedure For_All_Projects is
if Project.Ada_Include_Path = null then
Buffer := new String (1 .. 4096);
- For_All_Projects (Project, Dummy);
+ For_All_Projects
+ (Project, In_Tree, Dummy, Include_Aggregated => True);
Project.Ada_Include_Path := new String'(Buffer (1 .. Buffer_Last));
Free (Buffer);
end if;
else
Buffer := new String (1 .. 4096);
- Add_To_Path (Project.Source_Dirs, In_Tree, Buffer, Buffer_Last);
+ Add_To_Path
+ (Project.Source_Dirs, In_Tree.Shared, Buffer, Buffer_Last);
declare
Result : constant String := Buffer (1 .. Buffer_Last);
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; Dummy : in out Boolean);
+ 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; Dummy : in out Boolean) is
- pragma Unreferenced (Dummy);
+ procedure Add
+ (Project : Project_Id;
+ In_Tree : Project_Tree_Ref;
+ Dummy : in out Boolean)
+ is
+ pragma Unreferenced (Dummy, In_Tree);
+
Path : constant Path_Name_Type :=
Get_Object_Directory
(Project,
if Project.Ada_Objects_Path = null then
Buffer := new String (1 .. 4096);
- For_All_Projects (Project, Dummy);
+ For_All_Projects (Project, In_Tree, Dummy);
Project.Ada_Objects_Path := new String'(Buffer (1 .. Buffer_Last));
Free (Buffer);
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);
-
+ new String (1 .. 2 * Buffer'Last);
begin
New_Buffer (1 .. Buffer_Last) := Buffer (1 .. Buffer_Last);
Free (Buffer);
procedure Add_To_Path
(Source_Dirs : String_List_Id;
- In_Tree : Project_Tree_Ref;
+ Shared : Shared_Project_Tree_Data_Access;
Buffer : in out String_Access;
Buffer_Last : in out Natural)
is
Source_Dir : String_Element;
begin
while Current /= Nil_String loop
- Source_Dir := In_Tree.String_Elements.Table (Current);
+ Source_Dir := Shared.String_Elements.Table (Current);
Add_To_Path (Get_Name_String (Source_Dir.Display_Value),
Buffer, Buffer_Last);
Current := Source_Dir.Next;
procedure Add_To_Source_Path
(Source_Dirs : String_List_Id;
- In_Tree : Project_Tree_Ref;
+ Shared : Shared_Project_Tree_Data_Access;
Source_Paths : in out Source_Path_Table.Instance)
is
Current : String_List_Id := Source_Dirs;
-- Add each source directory
while Current /= Nil_String loop
- Source_Dir := In_Tree.String_Elements.Table (Current);
+ Source_Dir := Shared.String_Elements.Table (Current);
Add_It := True;
-- Check if the source directory is already in the table
end loop;
if Add_It then
- Source_Path_Table.Append (Source_Paths, Source_Dir.Value);
+ Source_Path_Table.Append (Source_Paths, Source_Dir.Display_Value);
end if;
-- Next source directory
Namings : Naming_Table.Instance;
-- Table storing the naming data for gnatmake/gprmake
- Buffer : String_Access := new String (1 .. Buffer_Initial);
+ 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;
- Iter : Source_Iterator;
- Source : Source_Id;
+ Current_Naming : Naming_Id;
- procedure Check (Project : Project_Id; State : in out Integer);
+ 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 (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 writen into a temporary
+ -- 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.
+ -- Create a temporary file and put the content of the buffer in it
-----------
-- Check --
-----------
- procedure Check (Project : Project_Id; State : in out Integer) is
+ 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
- Write_Str ("Checking project file """);
- Write_Str (Namet.Get_Name_String (Project.Name));
- Write_Str (""".");
- Write_Eol;
+ Debug_Output ("Checking project file:", Project.Name);
end if;
if Lang = null then
if Current_Verbosity = High then
- Write_Line (" Languages does not contain Ada, nothing to do");
+ 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 Source.Index >= 1
+ and then not Source.Locally_Removed
+ and then Source.Unit /= null
+ 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?
procedure Write_Temp_File is
Status : Boolean := False;
Last : Natural;
+
begin
Tempdir.Create_Temp_File (File, File_Name);
end if;
end Write_Temp_File;
- procedure Check_Imported_Projects is new For_Every_Project_Imported
- (Integer, Check);
+ 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, Dummy, Imported_First => False);
-
- -- Visit all the files and process those that need an SFN pragma
-
- Iter := For_Each_Source (In_Tree, For_Project);
- while Element (Iter) /= No_Source loop
- Source := Element (Iter);
-
- if Source.Index >= 1
- and then not Source.Locally_Removed
- and then Source.Unit /= null
- then
- Put (Source);
- end if;
-
- Next (Iter);
- end loop;
+ 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
Fmap.Add_To_File_Map
(Unit_Name => Unit_Name_Type (Data.Unit.Name),
File_Name => Data.File,
- Path_Name => File_Name_Type (Data.Path.Name));
+ Path_Name => File_Name_Type (Data.Path.Display_Name));
end if;
end if;
procedure Put_Name_Buffer;
-- Put the line contained in the Name_Buffer in the global buffer
- procedure Process (Project : Project_Id; State : in out Integer);
+ procedure Process
+ (Project : Project_Id;
+ In_Tree : Project_Tree_Ref;
+ State : in out Integer);
-- Generate the mapping file for Project (not recursively)
---------------------
procedure Put_Name_Buffer is
begin
- Name_Len := Name_Len + 1;
- Name_Buffer (Name_Len) := ASCII.LF;
-
if Current_Verbosity = High then
- Write_Str ("Mapping file: " & Name_Buffer (1 .. Name_Len));
+ 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; State : in out Integer) is
+ 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
Put_Name_Buffer;
end if;
- Get_Name_String (Source.File);
+ 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.Name);
+ Get_Name_String (Source.Path.Display_Name);
end if;
Put_Name_Buffer;
-- Start of processing for Create_Mapping_File
begin
- For_Every_Imported_Project (Project, Dummy);
+ 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;
+ Last : Natural;
Status : Boolean := False;
begin
- Create_Temp_File (In_Tree, File, Name, "mapping");
-
if File /= Invalid_FD then
Last := Write (File, Buffer (1)'Address, Buffer_Last);
end;
Free (Buffer);
+
+ Debug_Decrease_Indent ("Done create mapping file");
end Create_Mapping_File;
----------------------
----------------------
procedure Create_Temp_File
- (In_Tree : Project_Tree_Ref;
+ (Shared : Shared_Project_Tree_Data_Access;
Path_FD : out File_Descriptor;
Path_Name : out Path_Name_Type;
File_Use : String)
& Get_Name_String (Path_Name));
end if;
- Record_Temp_File (In_Tree, Path_Name);
+ Record_Temp_File (Shared, Path_Name);
else
Prj.Com.Fail
--------------------------
procedure Create_New_Path_File
- (In_Tree : Project_Tree_Ref;
+ (Shared : Shared_Project_Tree_Data_Access;
Path_FD : out File_Descriptor;
Path_Name : out Path_Name_Type)
is
begin
- Create_Temp_File (In_Tree, Path_FD, Path_Name, "path file");
+ Create_Temp_File (Shared, Path_FD, Path_Name, "path file");
end Create_New_Path_File;
------------------------------------
-- For_All_Object_Dirs --
-------------------------
- procedure For_All_Object_Dirs (Project : Project_Id) is
- procedure For_Project (Prj : Project_Id; Dummy : in out Integer);
+ 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; Dummy : in out Integer) is
- pragma Unreferenced (Dummy);
+ procedure For_Project
+ (Prj : Project_Id;
+ Tree : Project_Tree_Ref;
+ Dummy : in out Integer)
+ is
+ pragma Unreferenced (Dummy, Tree);
+
begin
-- ??? Set_Ada_Paths has a different behavior for library project
-- files, should we have the same ?
-- Start of processing for For_All_Object_Dirs
begin
- Get_Object_Dirs (Project, Dummy);
+ Get_Object_Dirs (Project, Tree, Dummy);
end For_All_Object_Dirs;
-------------------------
(Project : Project_Id;
In_Tree : Project_Tree_Ref)
is
- procedure For_Project (Prj : Project_Id; Dummy : in out Integer);
+ 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; Dummy : in out Integer) is
+ procedure For_Project
+ (Prj : Project_Id;
+ In_Tree : Project_Tree_Ref;
+ Dummy : in out Integer)
+ is
pragma Unreferenced (Dummy);
+
Current : String_List_Id := Prj.Source_Dirs;
The_String : String_Element;
if Has_Ada_Sources (Project) then
while Current /= Nil_String loop
- The_String := In_Tree.String_Elements.Table (Current);
+ The_String := In_Tree.Shared.String_Elements.Table (Current);
Action (Get_Name_String (The_String.Display_Value));
Current := The_String.Next;
end loop;
-- Start of processing for For_All_Source_Dirs
begin
- Get_Source_Dirs (Project, Dummy);
+ Get_Source_Dirs (Project, In_Tree, Dummy);
end For_All_Source_Dirs;
-------------------
procedure Initialize (In_Tree : Project_Tree_Ref) is
begin
- In_Tree.Private_Part.Current_Source_Path_File := No_Path;
- In_Tree.Private_Part.Current_Object_Path_File := No_Path;
+ In_Tree.Shared.Private_Part.Current_Source_Path_File := No_Path;
+ In_Tree.Shared.Private_Part.Current_Object_Path_File := No_Path;
end Initialize;
-------------------
procedure Set_Ada_Paths
(Project : Project_Id;
In_Tree : Project_Tree_Ref;
- Including_Libraries : Boolean)
+ 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
Status : Boolean;
-- For calls to Close
- Last : Natural;
-
- Buffer : String_Access := new String (1 .. Buffer_Initial);
+ Last : Natural;
+ Buffer : String_Access := new String (1 .. Buffer_Initial);
Buffer_Last : Natural := 0;
- procedure Recursive_Add (Project : Project_Id; Dummy : in out Boolean);
+ 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; Dummy : in out Boolean) is
- pragma Unreferenced (Dummy);
+ procedure Recursive_Add
+ (Project : Project_Id;
+ In_Tree : Project_Tree_Ref;
+ Dummy : in out Boolean)
+ is
+ pragma Unreferenced (Dummy, In_Tree);
Path : Path_Name_Type;
-- Ada sources.
if Has_Ada_Sources (Project) then
- Add_To_Source_Path (Project.Source_Dirs, In_Tree, Source_Paths);
+ Add_To_Source_Path (Project.Source_Dirs, Shared, Source_Paths);
end if;
end if;
procedure For_All_Projects is
new For_Every_Project_Imported (Boolean, Recursive_Add);
+
Dummy : Boolean := False;
-- Start of processing for Set_Ada_Paths
-- If it is the first time we call this procedure for this project,
-- compute the source path and/or the object path.
- if Project.Include_Path_File = No_Path then
+ 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
- (In_Tree, Source_FD, Project.Include_Path_File);
+ 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 Including_Libraries then
+ 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
- (In_Tree, Object_FD, Project.Objects_Path_File_With_Libs);
+ (Shared, Object_FD, Project.Objects_Path_File_With_Libs);
end if;
- else
+ 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
- (In_Tree, Object_FD, Project.Objects_Path_File_Without_Libs);
+ (Shared, Object_FD, Project.Objects_Path_File_Without_Libs);
end if;
end if;
-- then call the recursive procedure Add for Project.
if Process_Source_Dirs or Process_Object_Dirs then
- For_All_Projects (Project, Dummy);
+ For_All_Projects (Project, In_Tree, Dummy);
end if;
-- Write and close any file that has been created. Source_FD is not set
if Last = Buffer_Last then
Close (Object_FD, Status);
-
else
Status := False;
end if;
-- Set the env vars, if they need to be changed, and set the
-- corresponding flags.
- if In_Tree.Private_Part.Current_Source_Path_File /=
- Project.Include_Path_File
+ if Include_Path and then
+ Shared.Private_Part.Current_Source_Path_File /=
+ Project.Include_Path_File
then
- In_Tree.Private_Part.Current_Source_Path_File :=
+ Shared.Private_Part.Current_Source_Path_File :=
Project.Include_Path_File;
Set_Path_File_Var
(Project_Include_Path_File,
- Get_Name_String (In_Tree.Private_Part.Current_Source_Path_File));
+ Get_Name_String (Shared.Private_Part.Current_Source_Path_File));
end if;
- if Including_Libraries then
- if In_Tree.Private_Part.Current_Object_Path_File /=
- Project.Objects_Path_File_With_Libs
- then
- In_Tree.Private_Part.Current_Object_Path_File :=
- Project.Objects_Path_File_With_Libs;
- Set_Path_File_Var
- (Project_Objects_Path_File,
- Get_Name_String
- (In_Tree.Private_Part.Current_Object_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 In_Tree.Private_Part.Current_Object_Path_File /=
- Project.Objects_Path_File_Without_Libs
- then
- In_Tree.Private_Part.Current_Object_Path_File :=
- Project.Objects_Path_File_Without_Libs;
- Set_Path_File_Var
- (Project_Objects_Path_File,
- Get_Name_String
- (In_Tree.Private_Part.Current_Object_Path_File));
+ 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;
return Result;
end Ultimate_Extension_Of;
+ ---------------------
+ -- Add_Directories --
+ ---------------------
+
+ procedure Add_Directories
+ (Self : in out Project_Search_Path;
+ Path : String)
+ is
+ Tmp : String_Access;
+ begin
+ if Self.Path = null then
+ Self.Path := new String'(Uninitialized_Prefix & Path);
+ else
+ Tmp := Self.Path;
+ Self.Path := new String'(Tmp.all & Path_Separator & Path);
+ 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)
+ is
+ Add_Default_Dir : Boolean := True;
+ First : Positive;
+ Last : Positive;
+ New_Len : Positive;
+ New_Last : Positive;
+
+ Ada_Project_Path : constant String := "ADA_PROJECT_PATH";
+ Gpr_Project_Path : constant String := "GPR_PROJECT_PATH";
+ -- Name of alternate env. variable that contain path name(s) of
+ -- directories where project files may reside. GPR_PROJECT_PATH has
+ -- precedence over ADA_PROJECT_PATH.
+
+ Gpr_Prj_Path : String_Access;
+ Ada_Prj_Path : String_Access;
+ -- The path name(s) of directories where project files may reside.
+ -- May be empty.
+
+ 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 := Getenv (Gpr_Project_Path);
+ Ada_Prj_Path := Getenv (Ada_Project_Path);
+
+ 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;
+
+ elsif not Hostparm.OpenVMS
+ or else not Is_Absolute_Path (Name_Buffer (First .. Last))
+ then
+ -- On VMS, only expand relative path names, as absolute paths
+ -- may correspond to multi-valued VMS logical names.
+
+ declare
+ New_Dir : constant String :=
+ Normalize_Pathname
+ (Name_Buffer (First .. Last),
+ Resolve_Links => Opt.Follow_Links_For_Dirs);
+
+ 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 then
+ declare
+ Prefix : String_Ptr := Sdefault.Search_Dir_Prefix;
+
+ begin
+ if Prefix = null then
+ Prefix := new String'(Executable_Prefix_Path);
+
+ if Prefix.all /= "" then
+ if Target_Name /= "" then
+ Add_Str_To_Name_Buffer
+ (Path_Separator & Prefix.all &
+ Target_Name & Directory_Separator &
+ "lib" & Directory_Separator & "gnat");
+ end if;
+
+ Add_Str_To_Name_Buffer
+ (Path_Separator & Prefix.all &
+ "share" & Directory_Separator & "gpr");
+ Add_Str_To_Name_Buffer
+ (Path_Separator & Prefix.all &
+ "lib" & Directory_Separator & "gnat");
+ end if;
+
+ else
+ Self.Path :=
+ new String'(Name_Buffer (1 .. Name_Len) & Path_Separator &
+ Prefix.all &
+ ".." & Directory_Separator &
+ ".." & Directory_Separator &
+ ".." & Directory_Separator & "gnat");
+ end if;
+
+ Free (Prefix);
+ end;
+ end if;
+
+ if Self.Path = null then
+ Self.Path := new String'(Name_Buffer (1 .. Name_Len));
+ end if;
+ 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_Project --
+ ------------------
+
+ procedure Find_Project
+ (Self : in out Project_Search_Path;
+ Project_File_Name : String;
+ Directory : String;
+ Path : out Namet.Path_Name_Type)
+ is
+ File : constant String := Project_File_Name;
+ -- Have to do a copy, in case the parameter is Name_Buffer, which we
+ -- modify below
+
+ function Try_Path_Name (Path : String) return String_Access;
+ pragma Inline (Try_Path_Name);
+ -- Try the specified Path
+
+ -------------------
+ -- Try_Path_Name --
+ -------------------
+
+ function Try_Path_Name (Path : String) return String_Access is
+ First : Natural;
+ Last : Natural;
+ Result : String_Access := null;
+
+ begin
+ if Current_Verbosity = High then
+ Debug_Output ("Trying " & Path);
+ end if;
+
+ if Is_Absolute_Path (Path) then
+ if Is_Regular_File (Path) then
+ Result := new String'(Path);
+ 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 Is_Regular_File (Name_Buffer (1 .. Name_Len)) then
+ Result := new String'(Name_Buffer (1 .. Name_Len));
+ exit;
+ end if;
+
+ First := Last + 1;
+ end loop;
+ end if;
+
+ return Result;
+ end Try_Path_Name;
+
+ -- Local Declarations
+
+ Result : String_Access;
+ Has_Dot : Boolean := False;
+ Key : Name_Id;
+
+ -- 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;
+ Path := Projects_Paths.Get (Self.Cache, Key);
+
+ if Path /= No_Path then
+ Debug_Decrease_Indent;
+ return;
+ end if;
+
+ -- 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 File (K) = Directory_Separator
+ or else File (K) = '/';
+ end loop Check_Dot;
+
+ if not Is_Absolute_Path (File) then
+
+ -- First we try <directory>/<file_name>.<extension>
+
+ if not Has_Dot then
+ Result := Try_Path_Name
+ (Directory & Directory_Separator &
+ File & Project_File_Extension);
+ end if;
+
+ -- Then we try <directory>/<file_name>
+
+ if Result = null then
+ Result := Try_Path_Name (Directory & Directory_Separator & File);
+ end if;
+ end if;
+
+ -- Then we try <file_name>.<extension>
+
+ if Result = null and then not Has_Dot then
+ Result := Try_Path_Name (File & Project_File_Extension);
+ end if;
+
+ -- Then we try <file_name>
+
+ if Result = null then
+ Result := Try_Path_Name (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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