package body Prj.Env is
+ Buffer_Initial : constant := 1_000;
+ -- Initial size of Buffer
+
-----------------------
-- Local Subprograms --
-----------------------
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;
In_Tree : Project_Tree_Ref;
return Project.Ada_Objects_Path;
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 --
------------------------
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;
Iter : Source_Iterator;
Source : Source_Id;
- Status : Boolean;
- -- For call to Close
-
procedure Check (Project : Project_Id; 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 Check_Temp_File;
- -- Check that a temporary file has been opened.
- -- If not, create one, and put its name in the project data,
- -- with the indication that it is a temporary file.
-
procedure Put (Source : Source_Id);
-- Put an SFN pragma in the temporary file
- procedure Put (File : File_Descriptor; S : String);
- procedure Put_Line (File : File_Descriptor; S : String);
- -- Output procedures, analogous to normal Text_IO procs of same name
+ 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
+ -- 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 --
Naming_Table.Increment_Last (Namings);
Namings.Table (Naming_Table.Last (Namings)) := Naming;
- -- We need a temporary file to be created
-
- Check_Temp_File;
-
-- Put the SFN pragmas for the naming scheme
-- Spec
Put_Line
- (File, "pragma Source_File_Name_Project");
+ ("pragma Source_File_Name_Project");
Put_Line
- (File, " (Spec_File_Name => ""*" &
+ (" (Spec_File_Name => ""*" &
Get_Name_String (Naming.Spec_Suffix) & """,");
Put_Line
- (File, " Casing => " &
+ (" Casing => " &
Image (Naming.Casing) & ",");
Put_Line
- (File, " Dot_Replacement => """ &
+ (" Dot_Replacement => """ &
Get_Name_String (Naming.Dot_Replacement) & """);");
-- and body
Put_Line
- (File, "pragma Source_File_Name_Project");
+ ("pragma Source_File_Name_Project");
Put_Line
- (File, " (Body_File_Name => ""*" &
+ (" (Body_File_Name => ""*" &
Get_Name_String (Naming.Body_Suffix) & """,");
Put_Line
- (File, " Casing => " &
+ (" Casing => " &
Image (Naming.Casing) & ",");
Put_Line
- (File, " Dot_Replacement => """ &
+ (" Dot_Replacement => """ &
Get_Name_String (Naming.Dot_Replacement) &
""");");
-- and maybe separate
if Naming.Body_Suffix /= Naming.Separate_Suffix then
- Put_Line (File, "pragma Source_File_Name_Project");
+ Put_Line ("pragma Source_File_Name_Project");
Put_Line
- (File, " (Subunit_File_Name => ""*" &
+ (" (Subunit_File_Name => ""*" &
Get_Name_String (Naming.Separate_Suffix) & """,");
Put_Line
- (File, " Casing => " &
+ (" Casing => " &
Image (Naming.Casing) & ",");
Put_Line
- (File, " Dot_Replacement => """ &
+ (" Dot_Replacement => """ &
Get_Name_String (Naming.Dot_Replacement) &
""");");
end if;
end if;
end Check;
- ---------------------
- -- Check_Temp_File --
- ---------------------
-
- procedure Check_Temp_File is
- begin
- if File = Invalid_FD then
- Create_Temp_File
- (In_Tree, File, File_Name, "configuration pragmas");
- end if;
- end Check_Temp_File;
-
---------
-- Put --
---------
procedure Put (Source : Source_Id) is
begin
- -- A temporary file needs to be open
-
- Check_Temp_File;
-
-- Put the pragma SFN for the unit kind (spec or body)
- Put (File, "pragma Source_File_Name_Project (");
- Put (File, Namet.Get_Name_String (Source.Unit.Name));
+ Put ("pragma Source_File_Name_Project (");
+ Put (Namet.Get_Name_String (Source.Unit.Name));
if Source.Kind = Spec then
- Put (File, ", Spec_File_Name => """);
+ Put (", Spec_File_Name => """);
else
- Put (File, ", Body_File_Name => """);
+ Put (", Body_File_Name => """);
end if;
- Put (File, Namet.Get_Name_String (Source.File));
- Put (File, """");
+ Put (Namet.Get_Name_String (Source.File));
+ Put ("""");
if Source.Index /= 0 then
- Put (File, ", Index =>");
- Put (File, Source.Index'Img);
+ Put (", Index =>");
+ Put (Source.Index'Img);
end if;
- Put_Line (File, ");");
+ Put_Line (");");
end Put;
- procedure Put (File : File_Descriptor; S : String) is
- Last : Natural;
-
+ procedure Put (S : String) is
begin
- Last := Write (File, S (S'First)'Address, S'Length);
-
- if Last /= S'Length then
- Prj.Com.Fail
- ("Disk full when creating " & Get_Name_String (File_Name));
- end if;
+ Add_To_Buffer (S, Buffer, Buffer_Last);
if Current_Verbosity = High then
Write_Str (S);
-- Put_Line --
--------------
- procedure Put_Line (File : File_Descriptor; S : String) is
- S0 : String (1 .. S'Length + 1);
- Last : Natural;
-
+ 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
-- it is more convenient to be able to read gnat.adc during
-- development, for which the ASCII.LF is fine.
- S0 (1 .. S'Length) := S;
- S0 (S0'Last) := ASCII.LF;
- Last := Write (File, S0'Address, S0'Length);
+ Put (S);
+ Put (S => (1 => ASCII.LF));
+ end Put_Line;
- if Last /= S'Length + 1 then
- Prj.Com.Fail
- ("Disk full when creating " & Get_Name_String (File_Name));
+ ---------------------
+ -- 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 Current_Verbosity = High then
- Write_Line (S);
+ if not Status then
+ Prj.Com.Fail
+ ("could not create temporary file " &
+ Get_Name_String (File_Name));
end if;
- end Put_Line;
+ end Write_Temp_File;
procedure Check_Imported_Projects is new For_Every_Project_Imported
(Integer, Check);
-- standard naming scheme. This will tell the compiler that
-- a project file is used and will forbid any pragma SFN.
- if File = Invalid_FD then
- Check_Temp_File;
+ if Buffer_Last = 0 then
- Put_Line (File, "pragma Source_File_Name_Project");
- Put_Line (File, " (Spec_File_Name => ""*.ads"",");
- Put_Line (File, " Dot_Replacement => ""-"",");
- Put_Line (File, " Casing => lowercase);");
+ Put_Line ("pragma Source_File_Name_Project");
+ Put_Line (" (Spec_File_Name => ""*.ads"",");
+ Put_Line (" Dot_Replacement => ""-"",");
+ Put_Line (" Casing => lowercase);");
- Put_Line (File, "pragma Source_File_Name_Project");
- Put_Line (File, " (Body_File_Name => ""*.adb"",");
- Put_Line (File, " Dot_Replacement => ""-"",");
- Put_Line (File, " 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
- GNAT.OS_Lib.Close (File, Status);
-
- if not Status then
- Prj.Com.Fail
- ("Disk full when creating " & Get_Name_String (File_Name));
- end if;
+ Write_Temp_File;
if Opt.Verbose_Mode then
- Write_Str ("Closing configuration file """);
+ Write_Str ("Created configuration file """);
Write_Str (Get_Name_String (File_Name));
Write_Line ("""");
end if;
For_Project.Config_File_Temp := True;
For_Project.Config_Checked := True;
end if;
+
+ Free (Buffer);
end Create_Config_Pragmas_File;
--------------------
Name : out Path_Name_Type)
is
File : File_Descriptor := Invalid_FD;
- Status : Boolean;
+
+ 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 mapping file
+ -- Put the line contained in the Name_Buffer in the global buffer
procedure Process (Project : Project_Id; State : in out Integer);
-- Generate the mapping file for Project (not recursively)
- ---------
- -- Put --
- ---------
+ ---------------------
+ -- Put_Name_Buffer --
+ ---------------------
procedure Put_Name_Buffer is
- Last : Natural;
-
begin
Name_Len := Name_Len + 1;
Name_Buffer (Name_Len) := ASCII.LF;
- Last := Write (File, Name_Buffer (1)'Address, Name_Len);
if Current_Verbosity = High then
Write_Str ("Mapping file: " & Name_Buffer (1 .. Name_Len));
end if;
- if Last /= Name_Len then
- Prj.Com.Fail ("Disk full, cannot write mapping file");
- end if;
+ Add_To_Buffer (Name_Buffer (1 .. Name_Len), Buffer, Buffer_Last);
end Put_Name_Buffer;
-------------
-- Start of processing for Create_Mapping_File
begin
+ For_Every_Imported_Project (Project, Dummy);
- -- Create the temporary file
+ declare
+ Last : Natural;
+ Status : Boolean := False;
- Create_Temp_File (In_Tree, File, Name, "mapping");
+ begin
+ Create_Temp_File (In_Tree, File, Name, "mapping");
- For_Every_Imported_Project (Project, Dummy);
- GNAT.OS_Lib.Close (File, Status);
+ if File /= Invalid_FD then
+ Last := Write (File, Buffer (1)'Address, Buffer_Last);
- if not Status then
+ if Last = Buffer_Last then
+ GNAT.OS_Lib.Close (File, Status);
+ end if;
+ end if;
- -- We were able to create the temporary file, so there is no problem
- -- of protection. However, we are not able to close it, so there must
- -- be a capacity problem that we express using "disk full".
+ if not Status then
+ Prj.Com.Fail ("could not write mapping file");
+ end if;
+ end;
- Prj.Com.Fail ("disk full, could not write mapping file");
- end if;
+ Free (Buffer);
end Create_Mapping_File;
----------------------
Status : Boolean;
-- For calls to Close
- Len : Natural;
+ Last : Natural;
+
+ Buffer : String_Access := new String (1 .. Buffer_Initial);
+ Buffer_Last : Natural := 0;
procedure Recursive_Add (Project : Project_Id; Dummy : in out Boolean);
-- Recursive procedure to add the source/object paths of extended/
-- 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;
- Len := Write (Source_FD, Name_Buffer (1)'Address, Name_Len);
-
- if Len /= Name_Len then
- Prj.Com.Fail ("disk full");
- end if;
+ Add_To_Buffer (Name_Buffer (1 .. Name_Len), Buffer, Buffer_Last);
end loop;
- Close (Source_FD, Status);
+ 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 ("disk full");
+ 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;
- Len := Write (Object_FD, Name_Buffer (1)'Address, Name_Len);
-
- if Len /= Name_Len then
- Prj.Com.Fail ("disk full");
- end if;
+ Add_To_Buffer (Name_Buffer (1 .. Name_Len), Buffer, Buffer_Last);
end loop;
- Close (Object_FD, Status);
+ 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 ("disk full");
+ Prj.Com.Fail ("could not write temporary file");
end if;
end if;
(In_Tree.Private_Part.Current_Object_Path_File));
end if;
end if;
+
+ Free (Buffer);
end Set_Ada_Paths;
-----------------------