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/* do not edit automatically generated by mc from symbolKey. */
/* symbolKey.def provides binary tree operations for storing symbols.
Copyright (C) 2015-2025 Free Software Foundation, Inc.
Contributed by Gaius Mulley <gaius@glam.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/>. */
#if !defined (_symbolKey_H)
# define _symbolKey_H
#include "config.h"
#include "system.h"
# ifdef __cplusplus
extern "C" {
# endif
#include <stdbool.h>
# if !defined (PROC_D)
# define PROC_D
typedef void (*PROC_t) (void);
typedef struct { PROC_t proc; } PROC;
# endif
#if defined(__cplusplus)
# undef NULL
# define NULL 0
#endif
# include "GSYSTEM.h"
# include "GnameKey.h"
# if defined (_symbolKey_C)
# define EXTERN
# else
# define EXTERN extern
# endif
# define symbolKey_NulKey NULL
#if !defined (symbolKey_symbolTree_D)
# define symbolKey_symbolTree_D
typedef void *symbolKey_symbolTree;
#endif
typedef struct symbolKey_isSymbol_p symbolKey_isSymbol;
typedef struct symbolKey_performOperation_p symbolKey_performOperation;
typedef bool (*symbolKey_isSymbol_t) (void *);
struct symbolKey_isSymbol_p { symbolKey_isSymbol_t proc; };
typedef void (*symbolKey_performOperation_t) (void *);
struct symbolKey_performOperation_p { symbolKey_performOperation_t proc; };
/*
initTree - initializes a symbolTree pointed to by t.
*/
EXTERN symbolKey_symbolTree symbolKey_initTree (void);
/*
killTree - destroys the symbolTree pointed to by t.
*/
EXTERN void symbolKey_killTree (symbolKey_symbolTree *t);
/*
getSymKey - searches the symbolTree t for an entry name. If
found then the key is returned otherwise NulKey
is returned.
*/
EXTERN void * symbolKey_getSymKey (symbolKey_symbolTree t, nameKey_Name name);
/*
putSymKey - puts an symbol entry, name, in the symbolTree t.
SymKey is the value stored with name.
*/
EXTERN void symbolKey_putSymKey (symbolKey_symbolTree t, nameKey_Name name, void * key);
/*
delSymKey - deletes a symbol entry name in the symbolTree, t.
*/
EXTERN void symbolKey_delSymKey (symbolKey_symbolTree t, nameKey_Name name);
/*
isEmptyTree - returns true if symbolTree, t, is empty.
*/
EXTERN bool symbolKey_isEmptyTree (symbolKey_symbolTree t);
/*
doesTreeContainAny - returns true if symbolTree, t, contains any
symbols which in turn return true when procedure,
p, is called with a symbol as its parameter.
*/
EXTERN bool symbolKey_doesTreeContainAny (symbolKey_symbolTree t, symbolKey_isSymbol p);
/*
foreachNodeDo - for each node in symbolTree, t, a procedure, p,
is called with the node symbol as its parameter.
It traverse the tree in order.
*/
EXTERN void symbolKey_foreachNodeDo (symbolKey_symbolTree t, symbolKey_performOperation p);
# ifdef __cplusplus
}
# endif
# undef EXTERN
#endif
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