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/*
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Crown Copyright (c) 1997
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This TenDRA(r) Computer Program is subject to Copyright
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owned by the United Kingdom Secretary of State for Defence
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acting through the Defence Evaluation and Research Agency
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(DERA). It is made available to Recipients with a
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royalty-free licence for its use, reproduction, transfer
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to other parties and amendment for any purpose not excluding
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product development provided that any such use et cetera
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shall be deemed to be acceptance of the following conditions:-
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(1) Its Recipients shall ensure that this Notice is
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reproduced upon any copies or amended versions of it;
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(2) Any amended version of it shall be clearly marked to
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show both the nature of and the organisation responsible
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for the relevant amendment or amendments;
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(3) Its onward transfer from a recipient to another
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party shall be deemed to be that party's acceptance of
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these conditions;
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(4) DERA gives no warranty or assurance as to its
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quality or suitability for any purpose and DERA accepts
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no liability whatsoever in relation to any use to which
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it may be put.
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*/
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/*** scope.h --- Scope stack ADT.
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*
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** Author: Steve Folkes <smf@hermes.mod.uk>
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*
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*** Commentary:
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*
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* See the file "scope.c" for more information.
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*
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*** Change Log:
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* $Log: scope.h,v $
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* Revision 1.1.1.1 1998/01/17 15:57:47 release
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* First version to be checked into rolling release.
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*
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* Revision 1.2 1994/12/15 09:59:04 smf
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* Brought into line with OSSG C Coding Standards Document, as per
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* "CR94_178.sid+tld-update".
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*
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* Revision 1.1.1.1 1994/07/25 16:04:43 smf
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* Initial import of SID 1.8 non shared files.
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*
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**/
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/****************************************************************************/
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#ifndef H_SCOPE
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#define H_SCOPE
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#include "os-interface.h"
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#include "dstring.h"
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#include "entry.h"
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#include "table.h"
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/* To avoid circularity: */
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struct RuleT;
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/*--------------------------------------------------------------------------*/
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typedef struct ScopeMapEntryT {
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struct ScopeMapEntryT *next;
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EntryP from;
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EntryP to;
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} ScopeMapEntryT, *ScopeMapEntryP;
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typedef struct ScopeStackFrameT {
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struct ScopeStackFrameT *next;
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NStringT scope;
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ScopeMapEntryP head;
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ScopeMapEntryP *tail;
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} ScopeStackFrameT, *ScopeStackFrameP;
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typedef struct ScopeStackT {
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ScopeStackFrameP head;
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} ScopeStackT, *ScopeStackP;
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/*--------------------------------------------------------------------------*/
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extern void scope_stack_init
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PROTO_S ((ScopeStackP));
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extern void scope_stack_push
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PROTO_S ((ScopeStackP, NStringP));
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extern void scope_stack_pop
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PROTO_S ((ScopeStackP));
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extern EntryP scope_stack_add_rule
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PROTO_S ((ScopeStackP, TableP, NStringP, struct RuleT *, BoolT *));
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extern EntryP scope_stack_add_action
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PROTO_S ((ScopeStackP, TableP, NStringP, struct RuleT *, BoolT *));
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extern EntryP scope_stack_add_non_local
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PROTO_S ((ScopeStackP, TableP, NStringP, EntryP, struct RuleT *));
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extern EntryP scope_stack_get_rule
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PROTO_S ((ScopeStackP, TableP, NStringP));
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extern EntryP scope_stack_get_action
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PROTO_S ((ScopeStackP, TableP, NStringP));
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extern EntryP scope_stack_get_non_local
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PROTO_S ((ScopeStackP, TableP, NStringP, NStringP));
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extern BoolT scope_stack_check_shadowing
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PROTO_S ((ScopeStackP, EntryP, struct RuleT *));
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#endif /* !defined (H_SCOPE) */
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/*
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* Local variables(smf):
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* eval: (include::add-path-entry "../os-interface" "../library")
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* eval: (include::add-path-entry "../generated")
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* end:
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**/
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