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|
------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- L I B --
-- --
-- B o d y --
-- --
-- Copyright (C) 1992-2005, 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- --
-- ware Foundation; either version 2, or (at your option) any later ver- --
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
-- for more details. You should have received a copy of the GNU General --
-- Public License distributed with GNAT; see file COPYING. If not, write --
-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
-- Boston, MA 02110-1301, USA. --
-- --
-- As a special exception, if other files instantiate generics from this --
-- unit, or you link this unit with other files to produce an executable, --
-- this unit does not by itself cause the resulting executable to be --
-- covered by the GNU General Public License. This exception does not --
-- however invalidate any other reasons why the executable file might be --
-- covered by the GNU Public License. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
pragma Style_Checks (All_Checks);
-- Subprogram ordering not enforced in this unit
-- (because of some logical groupings).
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;
with Stand; use Stand;
with Stringt; use Stringt;
with Tree_IO; use Tree_IO;
with Uname; use Uname;
package body Lib is
Switch_Storing_Enabled : Boolean := True;
-- Set to False by Disable_Switch_Storing
-----------------------
-- Local Subprograms --
-----------------------
type SEU_Result is (
Yes_Before, -- S1 is in same extended unit as S2 and appears before it
Yes_Same, -- S1 is in same extended unit as S2, Slocs are the same
Yes_After, -- S1 is in same extended unit as S2, and appears after it
No); -- S2 is not in same extended unit as S2
function Check_Same_Extended_Unit (S1, S2 : Source_Ptr) return SEU_Result;
-- Used by In_Same_Extended_Unit and Earlier_In_Extended_Unit. Returns
-- value as described above.
--------------------------------------------
-- Access Functions for Unit Table Fields --
--------------------------------------------
function Cunit (U : Unit_Number_Type) return Node_Id is
begin
return Units.Table (U).Cunit;
end Cunit;
function Cunit_Entity (U : Unit_Number_Type) return Entity_Id is
begin
return Units.Table (U).Cunit_Entity;
end Cunit_Entity;
function Dependency_Num (U : Unit_Number_Type) return Nat is
begin
return Units.Table (U).Dependency_Num;
end Dependency_Num;
function Dynamic_Elab (U : Unit_Number_Type) return Boolean is
begin
return Units.Table (U).Dynamic_Elab;
end Dynamic_Elab;
function Error_Location (U : Unit_Number_Type) return Source_Ptr is
begin
return Units.Table (U).Error_Location;
end Error_Location;
function Expected_Unit (U : Unit_Number_Type) return Unit_Name_Type is
begin
return Units.Table (U).Expected_Unit;
end Expected_Unit;
function Fatal_Error (U : Unit_Number_Type) return Boolean is
begin
return Units.Table (U).Fatal_Error;
end Fatal_Error;
function Generate_Code (U : Unit_Number_Type) return Boolean is
begin
return Units.Table (U).Generate_Code;
end Generate_Code;
function Has_RACW (U : Unit_Number_Type) return Boolean is
begin
return Units.Table (U).Has_RACW;
end Has_RACW;
function Ident_String (U : Unit_Number_Type) return Node_Id is
begin
return Units.Table (U).Ident_String;
end Ident_String;
function Loading (U : Unit_Number_Type) return Boolean is
begin
return Units.Table (U).Loading;
end Loading;
function Main_Priority (U : Unit_Number_Type) return Int is
begin
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;
end Source_Index;
function Unit_File_Name (U : Unit_Number_Type) return File_Name_Type is
begin
return Units.Table (U).Unit_File_Name;
end Unit_File_Name;
function Unit_Name (U : Unit_Number_Type) return Unit_Name_Type is
begin
return Units.Table (U).Unit_Name;
end Unit_Name;
------------------------------------------
-- Subprograms to Set Unit Table Fields --
------------------------------------------
procedure Set_Cunit (U : Unit_Number_Type; N : Node_Id) is
begin
Units.Table (U).Cunit := N;
end Set_Cunit;
procedure Set_Cunit_Entity (U : Unit_Number_Type; E : Entity_Id) is
begin
Units.Table (U).Cunit_Entity := E;
Set_Is_Compilation_Unit (E);
end Set_Cunit_Entity;
procedure Set_Dynamic_Elab (U : Unit_Number_Type; B : Boolean := True) is
begin
Units.Table (U).Dynamic_Elab := B;
end Set_Dynamic_Elab;
procedure Set_Error_Location (U : Unit_Number_Type; W : Source_Ptr) is
begin
Units.Table (U).Error_Location := W;
end Set_Error_Location;
procedure Set_Fatal_Error (U : Unit_Number_Type; B : Boolean := True) is
begin
Units.Table (U).Fatal_Error := B;
end Set_Fatal_Error;
procedure Set_Generate_Code (U : Unit_Number_Type; B : Boolean := True) is
begin
Units.Table (U).Generate_Code := B;
end Set_Generate_Code;
procedure Set_Has_RACW (U : Unit_Number_Type; B : Boolean := True) is
begin
Units.Table (U).Has_RACW := B;
end Set_Has_RACW;
procedure Set_Ident_String (U : Unit_Number_Type; N : Node_Id) is
begin
Units.Table (U).Ident_String := N;
end Set_Ident_String;
procedure Set_Loading (U : Unit_Number_Type; B : Boolean := True) is
begin
Units.Table (U).Loading := B;
end Set_Loading;
procedure Set_Main_Priority (U : Unit_Number_Type; P : Int) is
begin
Units.Table (U).Main_Priority := P;
end Set_Main_Priority;
procedure Set_Unit_Name (U : Unit_Number_Type; N : Unit_Name_Type) is
begin
Units.Table (U).Unit_Name := N;
end Set_Unit_Name;
------------------------------
-- Check_Same_Extended_Unit --
------------------------------
function Check_Same_Extended_Unit (S1, S2 : Source_Ptr) return SEU_Result is
Sloc1 : Source_Ptr;
Sloc2 : Source_Ptr;
Sind1 : Source_File_Index;
Sind2 : Source_File_Index;
Inst1 : Source_Ptr;
Inst2 : Source_Ptr;
Unum1 : Unit_Number_Type;
Unum2 : Unit_Number_Type;
Unit1 : Node_Id;
Unit2 : Node_Id;
Depth1 : Nat;
Depth2 : Nat;
begin
if S1 = No_Location or else S2 = No_Location then
return No;
elsif S1 = Standard_Location then
if S2 = Standard_Location then
return Yes_Same;
else
return No;
end if;
elsif S2 = Standard_Location then
return No;
end if;
Sloc1 := S1;
Sloc2 := S2;
Unum1 := Get_Code_Unit (Sloc1);
Unum2 := Get_Code_Unit (Sloc2);
loop
Sind1 := Get_Source_File_Index (Sloc1);
Sind2 := Get_Source_File_Index (Sloc2);
if Sind1 = Sind2 then
if Sloc1 < Sloc2 then
return Yes_Before;
elsif Sloc1 > Sloc2 then
return Yes_After;
else
return Yes_Same;
end if;
end if;
-- OK, the two nodes are in separate source elements, but this is not
-- decisive, because of the issue of subunits and instantiations.
-- First we deal with subunits, since if the subunit is in an
-- instantiation, we know that the parent is in the corresponding
-- instantiation, since that is the only way we can have a subunit
-- that is part of an instantiation.
Unit1 := Unit (Cunit (Unum1));
Unit2 := Unit (Cunit (Unum2));
if Nkind (Unit1) = N_Subunit
and then Present (Corresponding_Stub (Unit1))
then
-- Both in subunits. They could have a common ancestor. If they
-- do, then the deeper one must have a longer unit name. Replace
-- the deeper one with its corresponding stub, in order to find
-- nearest common ancestor, if any.
if Nkind (Unit2) = N_Subunit
and then Present (Corresponding_Stub (Unit2))
then
if Length_Of_Name (Unit_Name (Unum1)) <
Length_Of_Name (Unit_Name (Unum2))
then
Sloc2 := Sloc (Corresponding_Stub (Unit2));
Unum2 := Get_Source_Unit (Sloc2);
goto Continue;
else
Sloc1 := Sloc (Corresponding_Stub (Unit1));
Unum1 := Get_Source_Unit (Sloc1);
goto Continue;
end if;
-- Nod1 in subunit, Nod2 not
else
Sloc1 := Sloc (Corresponding_Stub (Unit1));
Unum1 := Get_Source_Unit (Sloc1);
goto Continue;
end if;
-- Nod2 in subunit, Nod1 not
elsif Nkind (Unit2) = N_Subunit
and then Present (Corresponding_Stub (Unit2))
then
Sloc2 := Sloc (Corresponding_Stub (Unit2));
Unum2 := Get_Source_Unit (Sloc2);
goto Continue;
end if;
-- At this stage we know that neither is a subunit, so we deal
-- with instantiations, since we culd have a common ancestor
Inst1 := Instantiation (Sind1);
Inst2 := Instantiation (Sind2);
if Inst1 /= No_Location then
-- Both are instantiations
if Inst2 /= No_Location then
Depth1 := Instantiation_Depth (Sloc1);
Depth2 := Instantiation_Depth (Sloc2);
if Depth1 < Depth2 then
Sloc2 := Inst2;
Unum2 := Get_Source_Unit (Sloc2);
goto Continue;
elsif Depth1 > Depth2 then
Sloc1 := Inst1;
Unum1 := Get_Source_Unit (Sloc1);
goto Continue;
else
Sloc1 := Inst1;
Sloc2 := Inst2;
Unum1 := Get_Source_Unit (Sloc1);
Unum2 := Get_Source_Unit (Sloc2);
goto Continue;
end if;
-- Only first node is in instantiation
else
Sloc1 := Inst1;
Unum1 := Get_Source_Unit (Sloc1);
goto Continue;
end if;
-- Only second node is instantiation
elsif Inst2 /= No_Location then
Sloc2 := Inst2;
Unum2 := Get_Source_Unit (Sloc2);
goto Continue;
end if;
-- No instantiations involved, so we are not in the same unit
-- However, there is one case still to check, namely the case
-- where one location is in the spec, and the other in the
-- corresponding body (the spec location is earlier).
if Nkind (Unit1) = N_Subprogram_Body
or else
Nkind (Unit1) = N_Package_Body
then
if Library_Unit (Cunit (Unum1)) = Cunit (Unum2) then
return Yes_After;
end if;
elsif Nkind (Unit2) = N_Subprogram_Body
or else
Nkind (Unit2) = N_Package_Body
then
if Library_Unit (Cunit (Unum2)) = Cunit (Unum1) then
return Yes_Before;
end if;
end if;
-- If that special case does not occur, then we are certain that
-- the two locations are really in separate units.
return No;
<<Continue>>
null;
end loop;
end Check_Same_Extended_Unit;
-------------------------------
-- Compilation_Switches_Last --
-------------------------------
function Compilation_Switches_Last return Nat is
begin
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 --
------------------------------
function Earlier_In_Extended_Unit (S1, S2 : Source_Ptr) return Boolean is
begin
return Check_Same_Extended_Unit (S1, S2) = Yes_Before;
end Earlier_In_Extended_Unit;
----------------------------
-- Entity_Is_In_Main_Unit --
----------------------------
function Entity_Is_In_Main_Unit (E : Entity_Id) return Boolean is
S : Entity_Id;
begin
S := Scope (E);
while S /= Standard_Standard loop
if S = Main_Unit_Entity then
return True;
elsif Ekind (S) = E_Package and then Is_Child_Unit (S) then
return False;
else
S := Scope (S);
end if;
end loop;
return False;
end Entity_Is_In_Main_Unit;
---------------------------------
-- Generic_Separately_Compiled --
---------------------------------
function Generic_Separately_Compiled (E : Entity_Id) return Boolean is
begin
-- We do not generate object files for internal generics, because
-- the only thing they would contain is the elaboration boolean, and
-- we are careful to elaborate all predefined units first anyway, so
-- this boolean is not needed.
if Is_Internal_File_Name
(Fname => Unit_File_Name (Get_Source_Unit (E)),
Renamings_Included => True)
then
return False;
-- All other generic units do generate object files
else
return True;
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
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 : 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 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_Code_Unit (N : Node_Or_Entity_Id) return Unit_Number_Type is
begin
return Get_Code_Unit (Sloc (N));
end Get_Code_Unit;
----------------------------
-- Get_Compilation_Switch --
----------------------------
function Get_Compilation_Switch (N : Pos) return String_Ptr is
begin
if N <= Compilation_Switches.Last then
return Compilation_Switches.Table (N);
else
return null;
end if;
end Get_Compilation_Switch;
----------------------------------
-- Get_Cunit_Entity_Unit_Number --
----------------------------------
function Get_Cunit_Entity_Unit_Number
(E : Entity_Id) return Unit_Number_Type
is
begin
for U in Units.First .. Units.Last loop
if Cunit_Entity (U) = E 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.
return Main_Unit;
end Get_Cunit_Entity_Unit_Number;
---------------------------
-- Get_Cunit_Unit_Number --
---------------------------
function Get_Cunit_Unit_Number (N : Node_Id) return Unit_Number_Type is
begin
for U in Units.First .. Units.Last loop
if Cunit (U) = N 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.
return Main_Unit;
end Get_Cunit_Unit_Number;
---------------------
-- Get_Source_Unit --
---------------------
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;
end Get_Source_Unit;
function Get_Source_Unit (N : Node_Or_Entity_Id) return Unit_Number_Type is
begin
return Get_Source_Unit (Sloc (N));
end Get_Source_Unit;
--------------------------------
-- In_Extended_Main_Code_Unit --
--------------------------------
function In_Extended_Main_Code_Unit
(N : Node_Or_Entity_Id) return Boolean
is
begin
if Sloc (N) = Standard_Location then
return True;
elsif Sloc (N) = No_Location then
return False;
-- Special case Itypes to test the Sloc of the associated node. The
-- reason we do this is for possible calls from gigi after -gnatD
-- processing is complete in sprint. This processing updates the
-- sloc fields of all nodes in the tree, but itypes are not in the
-- tree so their slocs do not get updated.
elsif Nkind (N) = N_Defining_Identifier
and then Is_Itype (N)
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;
-- 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 (Loc, Sloc (Cunit (Main_Unit)));
end if;
end In_Extended_Main_Code_Unit;
----------------------------------
-- In_Extended_Main_Source_Unit --
----------------------------------
function In_Extended_Main_Source_Unit
(N : Node_Or_Entity_Id) return Boolean
is
Nloc : constant Source_Ptr := Sloc (N);
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 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
-- reason we do this is for possible calls from gigi after -gnatD
-- processing is complete in sprint. This processing updates the
-- sloc fields of all nodes in the tree, but itypes are not in the
-- tree so their slocs do not get updated.
elsif Nkind (N) = N_Defining_Identifier
and then Is_Itype (N)
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 (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_Code_Unit --
-----------------------
function In_Same_Code_Unit (N1, N2 : Node_Or_Entity_Id) return Boolean is
S1 : constant Source_Ptr := Sloc (N1);
S2 : constant Source_Ptr := Sloc (N2);
begin
if S1 = No_Location or else S2 = No_Location then
return False;
elsif S1 = Standard_Location then
return S2 = Standard_Location;
elsif S2 = Standard_Location then
return False;
end if;
return Get_Code_Unit (N1) = Get_Code_Unit (N2);
end In_Same_Code_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;
end In_Same_Extended_Unit;
-------------------------
-- In_Same_Source_Unit --
-------------------------
function In_Same_Source_Unit (N1, N2 : Node_Or_Entity_Id) return Boolean is
S1 : constant Source_Ptr := Sloc (N1);
S2 : constant Source_Ptr := Sloc (N2);
begin
if S1 = No_Location or else S2 = No_Location then
return False;
elsif S1 = Standard_Location then
return S2 = Standard_Location;
elsif S2 = Standard_Location then
return False;
end if;
return Get_Source_Unit (N1) = Get_Source_Unit (N2);
end In_Same_Source_Unit;
-----------------------------
-- Increment_Serial_Number --
-----------------------------
function Increment_Serial_Number return Nat is
TSN : Int renames Units.Table (Current_Sem_Unit).Serial_Number;
begin
TSN := TSN + 1;
return TSN;
end Increment_Serial_Number;
----------------
-- Initialize --
----------------
procedure Initialize is
begin
Linker_Option_Lines.Init;
Load_Stack.Init;
Units.Init;
Compilation_Switches.Init;
end Initialize;
---------------
-- Is_Loaded --
---------------
function Is_Loaded (Uname : Unit_Name_Type) return Boolean is
begin
for Unum in Units.First .. Units.Last loop
if Uname = Unit_Name (Unum) then
return True;
end if;
end loop;
return False;
end Is_Loaded;
---------------
-- Last_Unit --
---------------
function Last_Unit return Unit_Number_Type is
begin
return Units.Last;
end Last_Unit;
----------
-- List --
----------
procedure List (File_Names_Only : Boolean := False) is separate;
----------
-- Lock --
----------
procedure Lock is
begin
Linker_Option_Lines.Locked := True;
Load_Stack.Locked := True;
Units.Locked := True;
Linker_Option_Lines.Release;
Load_Stack.Release;
Units.Release;
end Lock;
---------------
-- Num_Units --
---------------
function Num_Units return Nat is
begin
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 Replace_Linker_Option_String
(S : String_Id; Match_String : String)
is
begin
if Match_String'Length > 0 then
for J in 1 .. Linker_Option_Lines.Last loop
String_To_Name_Buffer (Linker_Option_Lines.Table (J).Option);
if Match_String = Name_Buffer (1 .. Match_String'Length) then
Linker_Option_Lines.Table (J).Option := S;
return;
end if;
end loop;
end if;
Store_Linker_Option_String (S);
end Replace_Linker_Option_String;
----------
-- Sort --
----------
procedure Sort (Tbl : in out Unit_Ref_Table) is separate;
------------------------------
-- Store_Compilation_Switch --
------------------------------
procedure Store_Compilation_Switch (Switch : String) is
begin
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;
--------------------------------
-- Store_Linker_Option_String --
--------------------------------
procedure Store_Linker_Option_String (S : String_Id) is
begin
Linker_Option_Lines.Increment_Last;
Linker_Option_Lines.Table (Linker_Option_Lines.Last) :=
(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 --
---------------
procedure Tree_Read is
N : Nat;
S : String_Ptr;
begin
Units.Tree_Read;
-- Read Compilation_Switches table
Tree_Read_Int (N);
Compilation_Switches.Set_Last (N);
for J in 1 .. N loop
Tree_Read_Str (S);
Compilation_Switches.Table (J) := S;
end loop;
end Tree_Read;
----------------
-- Tree_Write --
----------------
procedure Tree_Write is
begin
Units.Tree_Write;
-- Write Compilation_Switches table
Tree_Write_Int (Compilation_Switches.Last);
for J in 1 .. Compilation_Switches.Last loop
Tree_Write_Str (Compilation_Switches.Table (J));
end loop;
end Tree_Write;
-----------------
-- Version_Get --
-----------------
function Version_Get (U : Unit_Number_Type) return Word_Hex_String is
begin
return Get_Hex_String (Units.Table (U).Version);
end Version_Get;
------------------------
-- Version_Referenced --
------------------------
procedure Version_Referenced (S : String_Id) is
begin
Version_Ref.Append (S);
end Version_Referenced;
end Lib;
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