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/* do not edit automatically generated by mc from SymbolKey. */
/* SymbolKey.def binary tree operations for storing symbols.
Copyright (C) 2001-2024 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/>. */
#if !defined (_SymbolKey_H)
# define _SymbolKey_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
# include "GSYSTEM.h"
# include "GNameKey.h"
# if defined (_SymbolKey_C)
# define EXTERN
# else
# define EXTERN extern
# endif
# define SymbolKey_NulKey 0
#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) (unsigned int);
struct SymbolKey_IsSymbol_p { SymbolKey_IsSymbol_t proc; };
typedef void (*SymbolKey_PerformOperation_t) (unsigned int);
struct SymbolKey_PerformOperation_p { SymbolKey_PerformOperation_t proc; };
/*
InitTree - Initializes a SymbolTree pointed to by t.
*/
EXTERN void SymbolKey_InitTree (SymbolKey_SymbolTree *t);
/*
KillTree - Destroys the SymbolTree pointed to by t.
*/
EXTERN void SymbolKey_KillTree (SymbolKey_SymbolTree *t);
/*
GetSymKey - Searches the SymbolTree t for an entry NameKey. If
found then the SymKey is returned. NulKey = not found.
*/
EXTERN unsigned int SymbolKey_GetSymKey (SymbolKey_SymbolTree t, NameKey_Name NameKey);
/*
PutSymKey - Puts an symbol entry NameKey in the SymbolTree t.
SymKey is the value stored with NameKey.
*/
EXTERN void SymbolKey_PutSymKey (SymbolKey_SymbolTree t, NameKey_Name NameKey, unsigned int SymKey);
/*
DelSymKey - Deletes a symbol entry NameKey in the SymbolTree t.
*/
EXTERN void SymbolKey_DelSymKey (SymbolKey_SymbolTree t, NameKey_Name NameKey);
/*
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);
/*
ContainsSymKey - return TRUE if tree, t, contains an entry for, NameKey.
*/
EXTERN bool SymbolKey_ContainsSymKey (SymbolKey_SymbolTree t, NameKey_Name NameKey);
/*
NoOfNodes - returns the number of nodes in the tree t.
*/
EXTERN unsigned int SymbolKey_NoOfNodes (SymbolKey_SymbolTree t, SymbolKey_IsSymbol condition);
/*
ForeachNodeConditionDo - traverse the tree t and for any node which satisfied
condition call P.
*/
EXTERN void SymbolKey_ForeachNodeConditionDo (SymbolKey_SymbolTree t, SymbolKey_IsSymbol condition, SymbolKey_PerformOperation P);
# ifdef __cplusplus
}
# endif
# undef EXTERN
#endif
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