NuSMV/code/nusmv/core/compile/type_checking/TypeChecker.h

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/* ---------------------------------------------------------------------------


  This file is part of the ``compile.type_checking'' package of NuSMV 
  version 2. 
  Copyright (C) 2005 by FBK-irst. 

  NuSMV version 2 is free software; you can redistribute it and/or 
  modify it under the terms of the GNU Lesser General Public 
  License as published by the Free Software Foundation; either 
  version 2 of the License, or (at your option) any later version.

  NuSMV version 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 
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public 
  License along with this library; if not, write to the Free Software 
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA.

  For more information on NuSMV see <http://nusmv.fbk.eu>
  or email to <nusmv-users@fbk.eu>.
  Please report bugs to <nusmv-users@fbk.eu>.

  To contact the NuSMV development board, email to <nusmv@fbk.eu>. 

-----------------------------------------------------------------------------*/

#ifndef __NUSMV_CORE_COMPILE_TYPE_CHECKING_TYPE_CHECKER_H__
#define __NUSMV_CORE_COMPILE_TYPE_CHECKING_TYPE_CHECKER_H__

#include "nusmv/core/node/MasterNodeWalker.h"

#include "nusmv/core/compile/symb_table/SymbType.h" 
#include "nusmv/core/compile/symb_table/SymbLayer.h" 
#include "nusmv/core/utils/utils.h" 



/*---------------------------------------------------------------------------*/
/* Type definitions                                                          */
/*---------------------------------------------------------------------------*/

typedef struct TypeChecker_TAG*  TypeChecker_ptr;

#define TYPE_CHECKER(self) \
         ((TypeChecker_ptr) self)

#define TYPE_CHECKER_CHECK_INSTANCE(self) \
         (nusmv_assert(TYPE_CHECKER(self) != TYPE_CHECKER(NULL)))



/* forward declaration, to avoid  circular dependency */
struct Prop_TAG;
struct SymbTable_TAG;


/*---------------------------------------------------------------------------*/
/* Function prototypes                                                       */
/*---------------------------------------------------------------------------*/

TypeChecker_ptr 
TypeChecker_create(struct SymbTable_TAG* symbolTable);

TypeChecker_ptr TypeChecker_create_with_default_checkers(struct SymbTable_TAG* symbolTable);

void TypeChecker_destroy(TypeChecker_ptr self);

struct SymbTable_TAG*
TypeChecker_get_symb_table(TypeChecker_ptr self);

boolean 
TypeChecker_check_symb_table(TypeChecker_ptr self);

boolean 
TypeChecker_check_layer(TypeChecker_ptr self,
                        SymbLayer_ptr layer);

boolean
TypeChecker_check_constrains(TypeChecker_ptr self,
                             node_ptr init, node_ptr trans, 
                             node_ptr invar, node_ptr assign, 
                             node_ptr justice, node_ptr compassion);

boolean 
TypeChecker_check_property(TypeChecker_ptr self, 
                           struct Prop_TAG* property);

boolean 
TypeChecker_is_expression_wellformed(TypeChecker_ptr self,
                                     node_ptr expression, 
                                     node_ptr context);

boolean 
TypeChecker_is_specification_wellformed(TypeChecker_ptr self, 
                                        node_ptr expression);

boolean 
TypeChecker_is_type_wellformed(TypeChecker_ptr self,
                               SymbType_ptr type, node_ptr varName);

SymbType_ptr 
TypeChecker_get_expression_type(TypeChecker_ptr self,
                                node_ptr expression,
                                node_ptr context);

boolean
TypeChecker_is_expression_type_checked(TypeChecker_ptr self,
                                       node_ptr expression,
                                       node_ptr context);
  
#endif /* __NUSMV_CORE_COMPILE_TYPE_CHECKING_TYPE_CHECKER_H__ */

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