-- --
-- B o d y --
-- --
--- Copyright (C) 1992-2005, Free Software Foundation, Inc. --
+-- Copyright (C) 1992-2007, 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 Atree; use Atree;
with Einfo; use Einfo;
with Fname; use Fname;
-with Namet; use Namet;
with Output; use Output;
with Sinfo; use Sinfo;
with Sinput; use Sinput;
-- Used by In_Same_Extended_Unit and Earlier_In_Extended_Unit. Returns
-- value as described above.
+ function Get_Code_Or_Source_Unit
+ (S : Source_Ptr;
+ Unwind_Instances : Boolean) return Unit_Number_Type;
+ -- Common code for Get_Code_Unit (get unit of instantiation for location)
+ -- and Get_Source_Unit (get unit of template for location).
+
--------------------------------------------
-- Access Functions for Unit Table Fields --
--------------------------------------------
end if;
end Generic_Separately_Compiled;
- -------------------
- -- Get_Code_Unit --
- -------------------
+ -----------------------------
+ -- Get_Code_Or_Source_Unit --
+ -----------------------------
- function Get_Code_Unit (S : Source_Ptr) return Unit_Number_Type is
+ function Get_Code_Or_Source_Unit
+ (S : Source_Ptr;
+ Unwind_Instances : Boolean) return Unit_Number_Type
+ is
begin
-- Search table unless we have No_Location, which can happen if the
-- relevant location has not been set yet. Happens for example when
if S /= No_Location then
declare
- Source_File : constant Source_File_Index :=
- Get_Source_File_Index (Top_Level_Location (S));
+ Source_File : Source_File_Index;
+ Source_Unit : Unit_Number_Type;
begin
- for U in Units.First .. Units.Last loop
- if Source_Index (U) = Source_File then
- return U;
- end if;
- end loop;
+ Source_File := Get_Source_File_Index (S);
+
+ if Unwind_Instances then
+ while Template (Source_File) /= No_Source_File loop
+ Source_File := Template (Source_File);
+ end loop;
+ end if;
+
+ Source_Unit := Unit (Source_File);
+
+ if Source_Unit /= No_Unit then
+ return Source_Unit;
+ end if;
end;
end if;
- -- 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)
+ -- 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),
+ -- or in one of the configuration pragma files.
return Main_Unit;
+ end Get_Code_Or_Source_Unit;
+
+ -------------------
+ -- Get_Code_Unit --
+ -------------------
+
+ function Get_Code_Unit (S : Source_Ptr) return Unit_Number_Type is
+ begin
+ return Get_Code_Or_Source_Unit (Top_Level_Location (S),
+ Unwind_Instances => False);
end Get_Code_Unit;
function Get_Code_Unit (N : Node_Or_Entity_Id) return Unit_Number_Type is
function Get_Source_Unit (S : Source_Ptr) return Unit_Number_Type is
begin
- -- 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;
-
- -- 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;
+ return Get_Code_Or_Source_Unit (S, Unwind_Instances => True);
end Get_Source_Unit;
function Get_Source_Unit (N : Node_Or_Entity_Id) return Unit_Number_Type is
end if;
end In_Extended_Main_Source_Unit;
+ ------------------------
+ -- In_Predefined_Unit --
+ ------------------------
+
+ function In_Predefined_Unit (N : Node_Or_Entity_Id) return Boolean is
+ begin
+ return In_Predefined_Unit (Sloc (N));
+ end In_Predefined_Unit;
+
+ function In_Predefined_Unit (S : Source_Ptr) return Boolean is
+ Unit : constant Unit_Number_Type := Get_Source_Unit (S);
+ File : constant File_Name_Type := Unit_File_Name (Unit);
+ begin
+ return Is_Predefined_File_Name (File);
+ end In_Predefined_Unit;
+
-----------------------
-- In_Same_Code_Unit --
-----------------------
begin
Units.Tree_Read;
- -- Read Compilation_Switches table
+ -- Read Compilation_Switches table. First release the memory occupied
+ -- by the previously loaded switches.
+
+ for J in Compilation_Switches.First .. Compilation_Switches.Last loop
+ Free (Compilation_Switches.Table (J));
+ end loop;
Tree_Read_Int (N);
Compilation_Switches.Set_Last (N);
end loop;
end Tree_Write;
+ ------------
+ -- Unlock --
+ ------------
+
+ procedure Unlock is
+ begin
+ Linker_Option_Lines.Locked := False;
+ Load_Stack.Locked := False;
+ Units.Locked := False;
+ end Unlock;
+
-----------------
-- Version_Get --
-----------------
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