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-------------------------------------------------------------------------------
-- (C) Altran Praxis Limited
-------------------------------------------------------------------------------
--
-- The SPARK toolset is free software; you can redistribute it and/or modify it
-- under terms of the GNU General Public License as published by the Free
-- Software Foundation; either version 3, or (at your option) any later
-- version. The SPARK toolset is distributed in the hope that it will be
-- useful, but WITHOUT 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 the SPARK toolset; see file
-- COPYING3. If not, go to http://www.gnu.org/licenses for a complete copy of
-- the license.
--
--=============================================================================
separate (Dictionary)
procedure AddLoop
(Scope : in Scopes;
Comp_Unit : in ContextManager.UnitDescriptors;
LoopStatement : in Location;
TheLoop : out Symbol) is
CompilationUnit, Previous : Symbol;
begin
RawDict.CreateLoop
(Region => GetRegion (Scope),
Comp_Unit => Comp_Unit,
Loc => LoopStatement.Start_Position,
TheLoop => TheLoop);
CompilationUnit := GetEnclosingCompilationUnit (Scope);
case RawDict.GetSymbolDiscriminant (CompilationUnit) is
when Subprogram_Symbol =>
Previous :=
RawDict.Get_Subprogram_Last_Loop (The_Subprogram => RawDict.Get_Subprogram_Info_Ref (Item => CompilationUnit));
if Previous = NullSymbol then
RawDict.Set_Subprogram_First_Loop
(The_Subprogram => RawDict.Get_Subprogram_Info_Ref (Item => CompilationUnit),
The_Loop => TheLoop);
else
RawDict.SetNextLoop (Previous, TheLoop);
end if;
RawDict.Set_Subprogram_Last_Loop
(The_Subprogram => RawDict.Get_Subprogram_Info_Ref (Item => CompilationUnit),
The_Loop => TheLoop);
when Type_Symbol =>
-- must be task body, no other type could have a loop in it
Previous := RawDict.Get_Task_Type_Last_Loop (The_Task_Type => RawDict.Get_Type_Info_Ref (Item => CompilationUnit));
if Previous = NullSymbol then
RawDict.Set_Task_Type_First_Loop
(The_Task_Type => RawDict.Get_Type_Info_Ref (Item => CompilationUnit),
The_Loop => TheLoop);
else
RawDict.SetNextLoop (Previous, TheLoop);
end if;
RawDict.Set_Task_Type_Last_Loop
(The_Task_Type => RawDict.Get_Type_Info_Ref (Item => CompilationUnit),
The_Loop => TheLoop);
when Package_Symbol =>
Previous := RawDict.Get_Package_Last_Loop (The_Package => RawDict.Get_Package_Info_Ref (Item => CompilationUnit));
if Previous = NullSymbol then
RawDict.Set_Package_First_Loop
(The_Package => RawDict.Get_Package_Info_Ref (Item => CompilationUnit),
The_Loop => TheLoop);
else
RawDict.SetNextLoop (Previous, TheLoop);
end if;
RawDict.Set_Package_Last_Loop
(The_Package => RawDict.Get_Package_Info_Ref (Item => CompilationUnit),
The_Loop => TheLoop);
when others => -- non-exec code
SystemErrors.Fatal_Error (Sys_Err => SystemErrors.Invalid_Symbol_Table,
Msg => "in Dictionary.AddLoop");
end case;
if SPARK_IO.Is_Open (Dict.TemporaryFile) then
Write_String (Dict.TemporaryFile, "loop statement for ");
Write_Name (File => Dict.TemporaryFile,
Item => TheLoop);
Write_String (Dict.TemporaryFile, " is at ");
Write_Location (File => Dict.TemporaryFile,
Loc => LoopStatement);
Write_Line (Dict.TemporaryFile, " ;");
end if;
end AddLoop;
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