-- --
-- B o d y --
-- --
--- Copyright (C) 1992-2001 Free Software Foundation, Inc. --
+-- Copyright (C) 1992-2004 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- --
package body Lib is
+ Switch_Storing_Enabled : Boolean := True;
+ -- Set to False by Disable_Switch_Storing
+
-----------------------
-- Local Subprograms --
-----------------------
return Units.Table (U).Dependency_Num;
end Dependency_Num;
- function Dependent_Unit (U : Unit_Number_Type) return Boolean is
- begin
- return Units.Table (U).Dependent_Unit;
- end Dependent_Unit;
-
function Dynamic_Elab (U : Unit_Number_Type) return Boolean is
begin
return Units.Table (U).Dynamic_Elab;
return Units.Table (U).Main_Priority;
end Main_Priority;
+ function Munit_Index (U : Unit_Number_Type) return Nat is
+ begin
+ return Units.Table (U).Munit_Index;
+ end Munit_Index;
+
function Source_Index (U : Unit_Number_Type) return Source_File_Index is
begin
return Units.Table (U).Source_Index;
<<Continue>>
null;
end loop;
-
end Check_Same_Extended_Unit;
-------------------------------
return Compilation_Switches.Last;
end Compilation_Switches_Last;
+ procedure Disable_Switch_Storing is
+ begin
+ Switch_Storing_Enabled := False;
+ end Disable_Switch_Storing;
+
------------------------------
-- Earlier_In_Extended_Unit --
------------------------------
end if;
end Generic_Separately_Compiled;
+ function Generic_Separately_Compiled
+ (Sfile : File_Name_Type) return Boolean
+ is
+ begin
+ -- Exactly the same as previous function, but works directly on a file
+ -- name.
+
+ if Is_Internal_File_Name
+ (Fname => Sfile,
+ Renamings_Included => True)
+ then
+ return False;
+
+ -- All other generic units do generate object files
+
+ else
+ return True;
+ end if;
+ end Generic_Separately_Compiled;
+
-------------------
-- Get_Code_Unit --
-------------------
function Get_Code_Unit (S : Source_Ptr) return Unit_Number_Type is
- Source_File : Source_File_Index :=
- Get_Source_File_Index (Top_Level_Location (S));
-
begin
- for U in Units.First .. Units.Last loop
- if Source_Index (U) = Source_File then
- return U;
- end if;
- end loop;
+ -- Search table unless we have No_Location, which can happen if the
+ -- relevant location has not been set yet. Happens for example when
+ -- we obtain Sloc (Cunit (Main_Unit)) before it is set.
+
+ if S /= No_Location then
+ declare
+ Source_File : constant Source_File_Index :=
+ Get_Source_File_Index (Top_Level_Location (S));
+
+ begin
+ for U in Units.First .. Units.Last loop
+ if Source_Index (U) = Source_File then
+ return U;
+ end if;
+ end loop;
+ end;
+ end if;
- -- If not in the table, must be the main source unit, and we just
- -- have not got it put into the table yet.
+ -- If S was No_Location, or was not in the table, we must be in the
+ -- main source unit (and the value has not been placed in the table yet)
return Main_Unit;
end Get_Code_Unit;
----------------------------------
function Get_Cunit_Entity_Unit_Number
- (E : Entity_Id)
- return Unit_Number_Type
+ (E : Entity_Id) return Unit_Number_Type
is
begin
for U in Units.First .. Units.Last loop
---------------------
function Get_Source_Unit (S : Source_Ptr) return Unit_Number_Type is
- Source_File : Source_File_Index :=
- Get_Source_File_Index (Top_Level_Location (S));
-
begin
- Source_File := Get_Source_File_Index (S);
- while Template (Source_File) /= No_Source_File loop
- Source_File := Template (Source_File);
- end loop;
+ -- Search table unless we have No_Location, which can happen if the
+ -- relevant location has not been set yet. Happens for example when
+ -- we obtain Sloc (Cunit (Main_Unit)) before it is set.
+
+ if S /= No_Location then
+ declare
+ Source_File : Source_File_Index :=
+ Get_Source_File_Index (Top_Level_Location (S));
+
+ begin
+ Source_File := Get_Source_File_Index (S);
+ while Template (Source_File) /= No_Source_File loop
+ Source_File := Template (Source_File);
+ end loop;
+
+ for U in Units.First .. Units.Last loop
+ if Source_Index (U) = Source_File then
+ return U;
+ end if;
+ end loop;
+ end;
+ end if;
- for U in Units.First .. Units.Last loop
- if Source_Index (U) = Source_File then
- return U;
- end if;
- end loop;
-
- -- If not in the table, must be the main source unit, and we just
- -- have not got it put into the table yet.
+ -- If S was No_Location, or was not in the table, we must be in the
+ -- main source unit (and the value has not got put into the table yet)
return Main_Unit;
end Get_Source_Unit;
--------------------------------
function In_Extended_Main_Code_Unit
- (N : Node_Or_Entity_Id)
- return Boolean
+ (N : Node_Or_Entity_Id) return Boolean
is
begin
if Sloc (N) = Standard_Location then
then
return In_Extended_Main_Code_Unit (Associated_Node_For_Itype (N));
+ -- Otherwise see if we are in the main unit
+
elsif Get_Code_Unit (Sloc (N)) = Get_Code_Unit (Cunit (Main_Unit)) then
return True;
- else -- node may be in spec of main unit
+ -- Node may be in spec (or subunit etc) of main unit
+
+ else
+ return
+ In_Same_Extended_Unit (N, Cunit (Main_Unit));
+ end if;
+ end In_Extended_Main_Code_Unit;
+
+ function In_Extended_Main_Code_Unit (Loc : Source_Ptr) return Boolean is
+ begin
+ if Loc = Standard_Location then
+ return True;
+
+ elsif Loc = No_Location then
+ return False;
+
+ -- Otherwise see if we are in the main unit
+
+ elsif Get_Code_Unit (Loc) = Get_Code_Unit (Cunit (Main_Unit)) then
+ return True;
+
+ -- Location may be in spec (or subunit etc) of main unit
+
+ else
return
- In_Same_Extended_Unit (Sloc (N), Sloc (Cunit (Main_Unit)));
+ In_Same_Extended_Unit (Loc, Sloc (Cunit (Main_Unit)));
end if;
end In_Extended_Main_Code_Unit;
----------------------------------
function In_Extended_Main_Source_Unit
- (N : Node_Or_Entity_Id)
- return Boolean
+ (N : Node_Or_Entity_Id) return Boolean
is
+ Nloc : constant Source_Ptr := Sloc (N);
+ Mloc : constant Source_Ptr := Sloc (Cunit (Main_Unit));
+
begin
- if Sloc (N) = Standard_Location then
+ -- If Mloc is not set, it means we are still parsing the main unit,
+ -- so everything so far is in the extended main source unit.
+
+ if Mloc = No_Location then
return True;
- elsif Sloc (N) = No_Location then
+ -- Special value cases
+
+ elsif Nloc = Standard_Location then
+ return True;
+
+ elsif Nloc = No_Location then
return False;
-- Special case Itypes to test the Sloc of the associated node. The
then
return In_Extended_Main_Source_Unit (Associated_Node_For_Itype (N));
+ -- Otherwise compare original locations to see if in same unit
+
else
return
In_Same_Extended_Unit
- (Original_Location (Sloc (N)),
- Original_Location (Sloc (Cunit (Main_Unit))));
+ (Original_Location (Nloc), Original_Location (Mloc));
+ end if;
+ end In_Extended_Main_Source_Unit;
+
+ function In_Extended_Main_Source_Unit
+ (Loc : Source_Ptr) return Boolean
+ is
+ Mloc : constant Source_Ptr := Sloc (Cunit (Main_Unit));
+
+ begin
+ -- If Mloc is not set, it means we are still parsing the main unit,
+ -- so everything so far is in the extended main source unit.
+
+ if Mloc = No_Location then
+ return True;
+
+ -- Special value cases
+
+ elsif Loc = Standard_Location then
+ return True;
+
+ elsif Loc = No_Location then
+ return False;
+
+ -- Otherwise compare original locations to see if in same unit
+
+ else
+ return
+ In_Same_Extended_Unit
+ (Original_Location (Loc), Original_Location (Mloc));
end if;
end In_Extended_Main_Source_Unit;
-- In_Same_Extended_Unit --
---------------------------
+ function In_Same_Extended_Unit
+ (N1, N2 : Node_Or_Entity_Id) return Boolean
+ is
+ begin
+ return Check_Same_Extended_Unit (Sloc (N1), Sloc (N2)) /= No;
+ end In_Same_Extended_Unit;
+
function In_Same_Extended_Unit (S1, S2 : Source_Ptr) return Boolean is
begin
return Check_Same_Extended_Unit (S1, S2) /= No;
function Increment_Serial_Number return Nat is
TSN : Int renames Units.Table (Current_Sem_Unit).Serial_Number;
-
begin
TSN := TSN + 1;
return TSN;
return Int (Units.Last) - Int (Main_Unit) + 1;
end Num_Units;
+ -----------------
+ -- Remove_Unit --
+ -----------------
+
+ procedure Remove_Unit (U : Unit_Number_Type) is
+ begin
+ if U = Units.Last then
+ Units.Decrement_Last;
+ end if;
+ end Remove_Unit;
+
----------------------------------
-- Replace_Linker_Option_String --
----------------------------------
procedure Store_Compilation_Switch (Switch : String) is
begin
- Compilation_Switches.Increment_Last;
- Compilation_Switches.Table (Compilation_Switches.Last) :=
- new String'(Switch);
+ if Switch_Storing_Enabled then
+ Compilation_Switches.Increment_Last;
+ Compilation_Switches.Table (Compilation_Switches.Last) :=
+ new String'(Switch);
+
+ -- Fix up --RTS flag which has been transformed by the gcc driver
+ -- into -fRTS
+
+ if Switch'Last >= Switch'First + 4
+ and then Switch (Switch'First .. Switch'First + 4) = "-fRTS"
+ then
+ Compilation_Switches.Table
+ (Compilation_Switches.Last) (Switch'First + 1) := '-';
+ end if;
+ end if;
end Store_Compilation_Switch;
--------------------------------
(Option => S, Unit => Current_Sem_Unit);
end Store_Linker_Option_String;
+ -------------------------------
+ -- Synchronize_Serial_Number --
+ -------------------------------
+
+ procedure Synchronize_Serial_Number is
+ TSN : Int renames Units.Table (Current_Sem_Unit).Serial_Number;
+ begin
+ TSN := TSN + 1;
+ end Synchronize_Serial_Number;
+
---------------
-- Tree_Read --
---------------
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