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(* M2Scope.def derive the subset of quadruples for each scope.
Copyright (C) 2003-2023 Free Software Foundation, Inc.
Contributed by Gaius Mulley <gaius.mulley@southwales.ac.uk>.
This file is part of GNU Modula-2.
GNU Modula-2 is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GNU Modula-2 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
along with GNU Modula-2; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. *)
DEFINITION MODULE M2Scope ;
(*
Title : M2Scope
Author : Gaius Mulley
System : GNU Modula-2
Date : Wed Aug 13 16:04:38 2003
Revision : $Version$
Description: provides a set of methods to derive the subset of quadruples
which were generated within a scope.
*)
EXPORT QUALIFIED ScopeBlock, ScopeProcedure,
InitScopeBlock, KillScopeBlock,
ForeachScopeBlockDo ;
TYPE
ScopeBlock ;
ScopeProcedure = PROCEDURE (CARDINAL, CARDINAL) ;
(*
InitScopeBlock - creates a scope block containing all quadruples for the outer, scope.
*)
PROCEDURE InitScopeBlock (scope: CARDINAL) : ScopeBlock ;
(*
KillScopeBlock - destroys the ScopeBlock sb and assign sb to NIL.
*)
PROCEDURE KillScopeBlock (VAR sb: ScopeBlock) ;
(*
ForeachScopeBlockDo - calls a procedure, p, for each block of contigeous quadruples
defining an outer scope, sb.
*)
PROCEDURE ForeachScopeBlockDo (sb: ScopeBlock; p: ScopeProcedure) ;
END M2Scope.
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