add_failed_symbols.h

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/*******************************************************************\
 
Module: Pointer Dereferencing
 
Author: Daniel Kroening, kroening@kroening.com
 
\*******************************************************************/

 
#ifndef CPROVER_POINTER_ANALYSIS_ADD_FAILED_SYMBOLS_H
#define CPROVER_POINTER_ANALYSIS_ADD_FAILED_SYMBOLS_H
 
#include <util/expr.h>
 
class symbol_table_baset;
class symbolt;
class namespacet;
class symbol_exprt;
 
void add_failed_symbols(symbol_table_baset &symbol_table);
 
void add_failed_symbol_if_needed(
  const symbolt &symbol, symbol_table_baset &symbol_table);
 
irep_idt failed_symbol_id(const irep_idt &identifier);

std::optional<symbol_exprt>
get_failed_symbol(const symbol_exprt &expr, const namespacet &ns);

inline bool is_failed_symbol(const exprt &expr)
{
  return expr.type().get_bool(ID_C_is_failed_symbol);
}
 
#endif // CPROVER_POINTER_ANALYSIS_ADD_FAILED_SYMBOLS_H