symbol.h

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              Copyright (C) 2002 University of Amsterdam

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/*
 * Symbol table structures
 *
 * Uses flexible typing.
 * The symboltable contains records with several fields, the size
 * of the record must be given at the creation of the new symboltable
 * addelement adds an element to the symboltable, it has two parameters,
 * the symboltable and a pointer to the record.
 * searchelement returns a number of the record with a matching name.
 * getstruct gives the structure given a integer
 *
 * Stolen from pl
 */

#ifndef SYMBOL_H

#define SYMBOL_H

typedef struct {
  int len ;
  int fill ;
  int size ;
  char **cont ;
} symboltable ;

#define getstruct( a,num )              (a->cont[num])
#define setstruct( a,num )              (getval(a,num))
#define tablelength( a )                ( a->fill )

symboltable *newsymboltable() ;
int addsymbol() ;
int searchsymbol() ;

#endif // SYMBOL_H

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