with Alloc;
with Debug; use Debug;
with Fmap; use Fmap;
with Krunch;
with Namet; use Namet;
with Opt; use Opt;
with Osint; use Osint;
with Table;
with Uname; use Uname;
with Widechar; use Widechar;
with GNAT.HTable;
package body Fname.UF is
type SFN_Entry is record
U : Unit_Name_Type; F : File_Name_Type; Index : Nat; end record;
package SFN_Table is new Table.Table (
Table_Component_Type => SFN_Entry,
Table_Index_Type => Int,
Table_Low_Bound => 0,
Table_Initial => Alloc.SFN_Table_Initial,
Table_Increment => Alloc.SFN_Table_Increment,
Table_Name => "SFN_Table");
type SFN_Header_Num is range 0 .. 100;
function SFN_Hash (F : Unit_Name_Type) return SFN_Header_Num;
No_Entry : constant Int := -1;
package SFN_HTable is new GNAT.HTable.Simple_HTable (
Header_Num => SFN_Header_Num,
Element => Int,
No_Element => No_Entry,
Key => Unit_Name_Type,
Hash => SFN_Hash,
Equal => "=");
type SFN_Pattern_Entry is record
Pat : String_Ptr; Typ : Character; Dot : String_Ptr; Cas : Casing_Type; end record;
package SFN_Patterns is new Table.Table (
Table_Component_Type => SFN_Pattern_Entry,
Table_Index_Type => Int,
Table_Low_Bound => 1,
Table_Initial => 10,
Table_Increment => 100,
Table_Name => "SFN_Patterns");
function File_Name_Of_Body (Name : Name_Id) return File_Name_Type is
begin
Get_Name_String (Name);
Name_Buffer (Name_Len + 1 .. Name_Len + 2) := "%b";
Name_Len := Name_Len + 2;
return Get_File_Name (Name_Enter, Subunit => False);
end File_Name_Of_Body;
function File_Name_Of_Spec (Name : Name_Id) return File_Name_Type is
begin
Get_Name_String (Name);
Name_Buffer (Name_Len + 1 .. Name_Len + 2) := "%s";
Name_Len := Name_Len + 2;
return Get_File_Name (Name_Enter, Subunit => False);
end File_Name_Of_Spec;
function Get_Expected_Unit_Type
(Fname : File_Name_Type) return Expected_Unit_Type
is
begin
if Operating_Mode = Check_Syntax
or else Multiple_Unit_Index /= 0
then
return Unknown;
end if;
for J in SFN_Table.First .. SFN_Table.Last loop
if Fname = SFN_Table.Table (J).F then
if Is_Body_Name (SFN_Table.Table (J).U) then
return Expect_Body;
else
return Expect_Spec;
end if;
end if;
end loop;
Get_Name_String (Fname);
if Name_Len > 4 then
if Name_Buffer (Name_Len - 3 .. Name_Len) = ".ads" then
return Expect_Spec;
elsif Name_Buffer (Name_Len - 3 .. Name_Len) = ".adb" then
return Expect_Body;
end if;
end if;
return Unknown;
end Get_Expected_Unit_Type;
function Get_File_Name
(Uname : Unit_Name_Type;
Subunit : Boolean;
May_Fail : Boolean := False) return File_Name_Type
is
Unit_Char : Character;
Unit_Char_Search : Character;
N : Int;
Pname : File_Name_Type := No_File;
Fname : File_Name_Type := No_File;
begin
if Uname <= Error_Name then
raise Unrecoverable_Error;
end if;
Fname := Mapped_File_Name (Uname);
if Fname /= No_File then
return Fname;
end if;
N := SFN_HTable.Get (Uname);
if N /= No_Entry then
return SFN_Table.Table (N).F;
end if;
Get_Decoded_Name_String (Uname);
if Name_Buffer (1) = '"' then
Get_Name_String (Uname);
Name_Len := Name_Len + 1;
Name_Buffer (Name_Len) := Name_Buffer (Name_Len - 1);
Name_Buffer (Name_Len - 1) := Name_Buffer (Name_Len - 2);
Name_Buffer (Name_Len - 2) := '_';
Name_Buffer (1) := '_';
end if;
Unit_Char := Name_Buffer (Name_Len);
pragma Assert (Unit_Char = 'b' or else Unit_Char = 's');
pragma Assert (Name_Len >= 3 and then Name_Buffer (Name_Len - 1) = '%');
Name_Len := Name_Len - 2;
if Subunit then
Unit_Char := 'u';
end if;
declare
Uname : constant String (1 .. Name_Len) :=
Name_Buffer (1 .. Name_Len);
Pent : Nat;
Plen : Natural;
Fnam : File_Name_Type := No_File;
J : Natural;
Dot : String_Ptr;
Dotl : Natural;
Is_Predef : Boolean;
function C (N : Natural) return Character;
function C (N : Natural) return Character is
begin
return SFN_Patterns.Table (Pent).Pat (N);
end C;
begin
for No_File_Check in False .. True loop
Unit_Char_Search := Unit_Char;
<<Repeat_Search>>
Pent := SFN_Patterns.First;
while Pent <= SFN_Patterns.Last loop
if SFN_Patterns.Table (Pent).Typ = Unit_Char_Search then
Name_Len := 0;
Name_Len := Uname'Length;
Name_Buffer (1 .. Name_Len) := Uname;
Is_Predef :=
Is_Predefined_File_Name (Renamings_Included => True);
Name_Len := Uname'Length;
Name_Buffer (1 .. Name_Len) := Uname;
if not Is_Predef then
Set_Casing (SFN_Patterns.Table (Pent).Cas);
end if;
Dot := SFN_Patterns.Table (Pent).Dot;
Dotl := Dot.all'Length;
if Dot.all /= "." then
J := 1;
while J <= Name_Len loop
if Name_Buffer (J) = '.' then
if Dotl = 1 then
Name_Buffer (J) := Dot (Dot'First);
else
Name_Buffer (J + Dotl .. Name_Len + Dotl - 1) :=
Name_Buffer (J + 1 .. Name_Len);
Name_Buffer (J .. J + Dotl - 1) := Dot.all;
Name_Len := Name_Len + Dotl - 1;
end if;
J := J + Dotl;
elsif Name_Buffer (J) = ASCII.ESC
or else (Upper_Half_Encoding
and then
Name_Buffer (J) in Upper_Half_Character)
then
Skip_Wide (Name_Buffer, J);
else
J := J + 1;
end if;
end loop;
end if;
Plen := SFN_Patterns.Table (Pent).Pat'Length;
for K in 1 .. Plen loop
if C (K) = '*' then
if K /= 1 then
Name_Buffer (1 + K - 1 .. Name_Len + K - 1) :=
Name_Buffer (1 .. Name_Len);
for L in 1 .. K - 1 loop
Name_Buffer (L) := C (L);
end loop;
Name_Len := Name_Len + K - 1;
end if;
for L in K + 1 .. Plen loop
Name_Len := Name_Len + 1;
Name_Buffer (Name_Len) := C (L);
end loop;
exit;
end if;
end loop;
J := Name_Len;
while J > 1 loop
exit when Name_Buffer (J) = '.';
J := J - 1;
end loop;
if J > 1 then
declare
Ext : constant String := Name_Buffer (J .. Name_Len);
begin
Name_Len := J - 1;
Krunch
(Name_Buffer,
Name_Len,
Integer (Maximum_File_Name_Length),
Debug_Flag_4);
Name_Buffer
(Name_Len + 1 .. Name_Len + Ext'Length) := Ext;
Name_Len := Name_Len + Ext'Length;
end;
else
Krunch
(Name_Buffer,
Name_Len,
Integer (Maximum_File_Name_Length),
Debug_Flag_4);
end if;
Fnam := File_Name_Type (Name_Find);
if No_File_Check then
if May_Fail then
return No_File;
else
return Fnam;
end if;
else
Pname := Find_File (Fnam, Source);
if Pname /= No_File then
Add_To_File_Map (Get_File_Name.Uname, Fnam, Pname);
return Fnam;
elsif SFN_Patterns.Last = 2 then
return Fnam;
else
Fnam := No_File;
end if;
end if;
end if;
Pent := Pent + 1;
end loop;
if Fnam = No_File and then Unit_Char_Search = 'u' then
Unit_Char_Search := 'b';
goto Repeat_Search;
end if;
end loop;
raise Program_Error;
end;
end Get_File_Name;
function Get_Unit_Index (Uname : Unit_Name_Type) return Nat is
N : constant Int := SFN_HTable.Get (Uname);
begin
if N /= No_Entry then
return SFN_Table.Table (N).Index;
else
return 0;
end if;
end Get_Unit_Index;
procedure Initialize is
begin
SFN_Table.Init;
SFN_Patterns.Init;
SFN_Patterns.Append (New_Val =>
(Pat => new String'("*.ads"),
Typ => 's',
Dot => new String'("-"),
Cas => All_Lower_Case));
SFN_Patterns.Append (New_Val =>
(Pat => new String'("*.adb"),
Typ => 'b',
Dot => new String'("-"),
Cas => All_Lower_Case));
end Initialize;
procedure Lock is
begin
SFN_Table.Locked := True;
SFN_Table.Release;
end Lock;
procedure Set_File_Name
(U : Unit_Name_Type;
F : File_Name_Type;
Index : Nat)
is
begin
SFN_Table.Increment_Last;
SFN_Table.Table (SFN_Table.Last) := (U, F, Index);
SFN_HTable.Set (U, SFN_Table.Last);
end Set_File_Name;
procedure Set_File_Name_Pattern
(Pat : String_Ptr;
Typ : Character;
Dot : String_Ptr;
Cas : Casing_Type)
is
L : constant Nat := SFN_Patterns.Last;
begin
SFN_Patterns.Increment_Last;
SFN_Patterns.Table (L + 1) := SFN_Patterns.Table (L);
SFN_Patterns.Table (L) := SFN_Patterns.Table (L - 1);
SFN_Patterns.Table (L - 1) := (Pat, Typ, Dot, Cas);
end Set_File_Name_Pattern;
function SFN_Hash (F : Unit_Name_Type) return SFN_Header_Num is
begin
return SFN_Header_Num (Int (F) rem SFN_Header_Num'Range_Length);
end SFN_Hash;
begin
Fname.UF.Initialize;
end Fname.UF;