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/**************************************************************/
/* ********************************************************** */
/* * * */
/* * DFG LEXER STRING TABLE * */
/* * * */
/* * $Module: DFG_STRING_TABLE_H * */
/* * * */
/* * Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001 * */
/* * MPI fuer Informatik * */
/* * * */
/* * This program is free software; you can redistribute * */
/* * it and/or modify it under the terms of the FreeBSD * */
/* * Licence. * */
/* * * */
/* * This program 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 LICENCE file * */
/* * for more details. * */
/* * * */
/* * * */
/* $Revision: 1.0 $ * */
/* $State: Exp $ * */
/* $Date: 2016/03/23 16:54:37 $ * */
/* $Author: weidenb $ * */
/* * * */
/* * Contact: * */
/* * Christoph Weidenbach * */
/* * MPI fuer Informatik * */
/* * Stuhlsatzenhausweg 85 * */
/* * 66123 Saarbruecken * */
/* * Email: spass@mpi-inf.mpg.de * */
/* * Germany * */
/* * * */
/* ********************************************************** */
/**************************************************************/
#ifndef DFG_STRING_TABLE_H
#define DFG_STRING_TABLE_H
#include "dfg_token.h"
#include "dfg_util.h"
typedef struct string_t {
char* text; /**< The text representation of the string. */
int kind; /**< The token kind associated with the string. */
u4 hash;
} string_t;
/**
* Find or insert the string s in(to) the string table.
*
* If the string is in the table already, then return the existing entry.
* In particular the given kind is discarded in this case.
* This is used to identify keywords by adding them to the table beforehand.
*
* If the string is not in the table, enter it with the given kind.
* The string s is copied and needs not be retained.
*
* @return The existing or new string.
*/
string_t const* string_table_insert(char const* s, size_t size, int kind);
/**
* Initialize the string table.
*/
void string_table_init(void);
#endif
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