/*
 *  Fix OP function calls and inject debug names
 */
void OPSource::fixOpStructs(SgNode *n)
{
  SgInitializedName* initname = isSgInitializedName(n);
  if(initname)
  {
    string var_name = initname->get_name().getString();
    SgConstructorInitializer *initer = isSgConstructorInitializer(initname->get_initializer());
    if(initer)
    {
      string class_name = initer->get_class_decl()->get_name().getString();
      if(class_name.find("op_dat") != string::npos
          || class_name.find("op_dat_gbl") != string::npos
          || class_name.compare("_op_ptr") == 0 
          || class_name.compare("_op_set") == 0 
          || class_name.compare("_op_dat_const") == 0)
      {
        cout << "---Injecting Debug Name: " << var_name << "---" << endl;
        SgExprListExp* list = initer->get_args();
        SgExpressionPtrList &exprs = list->get_expressions();
        if( isSgStringVal(exprs.back()) == NULL )
        {
          list->append_expression(buildStringVal(var_name));
        }
      }
    }
  }
}
/*
 *  Fix op structure calls and inject debug names
 */
void OPSource::fixOpFunctions(SgNode *n)
{
  SgName var_name;
  SgFunctionCallExp *fn = isSgFunctionCallExp(n);
  if(fn != NULL)
  {
    string fn_name = fn->getAssociatedFunctionDeclaration()->get_name().getString();
    if(fn_name.compare("op_decl_const")==0) 
    {
      SgExprListExp* exprList = fn->get_args();
      SgExpressionPtrList &exprs = exprList->get_expressions();
      if( isSgStringVal(exprs.back()) == NULL )
      {
        SgVarRefExp* varExp = isSgVarRefExp(exprs[1]);
        if(!varExp)
        {
          varExp = isSgVarRefExp(isSgAddressOfOp(exprs[1])->get_operand_i());
        }

        if(varExp)
        {
          var_name = varExp->get_symbol()->get_name();
        }
        cout << "---Injecting Debug Name for const: " << var_name.getString() << "---" << endl;
        exprList->append_expression(buildStringVal(var_name));
      }
    }
  }
}
Example #3
0
File: ENV.C Project: 8l/rose
/**
 * Beware of multiple environment variables with the same effective name
 */
bool ENV02_C( const SgNode *node ) {
	static std::set<std::string> origStrs;
	static std::set<std::string> normStrs;
	static std::map<std::string, const SgFunctionRefExp *> strToNode;

	const SgFunctionRefExp *fnRef = isSgFunctionRefExp(node);
	if (!fnRef)
		return false;

	if (!(isCallOfFunctionNamed(fnRef, "getenv")
		||isCallOfFunctionNamed(fnRef, "setenv")
		||isCallOfFunctionNamed(fnRef, "putenv"))) {
		return false;
	}
	const SgStringVal *strVal = isSgStringVal(removeImplicitPromotions(getFnArg(fnRef,0)));
	if (!strVal)
		return false;
	std::string str = strVal->get_value();
	if (const unsigned int eq = str.find_first_of("="))
		str = str.substr(0,eq);

	if (origStrs.find(str) != origStrs.end())
		return false;
	origStrs.insert(str);

	std::transform(str.begin(), str.end(), str.begin(), tolower);

	if (normStrs.find(str) != normStrs.end()) {
		print_error(node, "ENV02-C", "Beware of multiple environment variables with the same effective name", true);
		print_error(strToNode[str], "ENV02-C", "Previous reference was here", true);
		return true;
	}

	normStrs.insert(str);
	strToNode[str] = fnRef;
	return false;
}
Example #4
0
void
CompassAnalyses::VariableNameEqualsDatabaseName::Traversal::
visit(SgNode* node)
   { 
     if( isSgAssignInitializer(node) != NULL )
          assignExp = node;
  
     if( isSgAssignOp(node) != NULL )
          assignExp = node; 

     SgFunctionCallExp* funcCall = isSgFunctionCallExp(node);

  // See if we have a dot expression or arrow expression which
  // accesses the desired member function in the class we are looking for.
     if ( funcCall != NULL  )
        {
          SgExpression* funcExp = funcCall->get_function();

          if ( ( isSgDotExp(funcExp) != NULL ) | ( isSgArrowExp(funcExp) != NULL ) )
             {
               SgBinaryOp*     binOp = isSgBinaryOp(funcExp);
               SgExpression*   rhsOp = binOp->get_rhs_operand();
            // SgExpression*   lhsOp = binOp->get_lhs_operand();
               if ( SgMemberFunctionRefExp* funcRef = isSgMemberFunctionRefExp(rhsOp)  )
                  {
                 // std::cout << "c1\n" ;

                    SgMemberFunctionSymbol*      funcSymbol = funcRef->get_symbol();
                    ROSE_ASSERT(funcSymbol->get_declaration() != NULL);

                 // DQ (1/16/2008): Note that the defining declaration need not exist (see test2001_11.C)
                 // ROSE_ASSERT(funcSymbol->get_declaration()->get_definingDeclaration() != NULL);
                    if (funcSymbol->get_declaration()->get_definingDeclaration() != NULL)
                       {
                         SgMemberFunctionDeclaration* funcDecl   = isSgMemberFunctionDeclaration(funcSymbol->get_declaration()->get_definingDeclaration());
                         ROSE_ASSERT( funcDecl != NULL );

                         SgClassDefinition* clDef = isSgClassDefinition(funcDecl->get_scope());
                         SgClassDeclaration*          clDecl     = isSgClassDeclaration(clDef->get_declaration());  

                      // SgClassDeclaration*          clDecl     = funcDecl->get_associatedClassDeclaration();

                         ROSE_ASSERT( clDecl != NULL );
                         std::string className    = clDecl->get_name().getString();

                         ROSE_ASSERT(funcDecl != NULL);
                         std::string functionName = funcDecl->get_name().getString();
 
                      // If the class is the class we are looking for see if the member function
                      // access is to the member function we are interested in.
                      // std::cout << "className = " << className << std::endl;
                      // std::cout << "functionName = " << functionName << std::endl;

                         if ( (className == classToLookFor) && ( functionName == memberFunctionToLookFor ) )
                            {
                              SgExprListExp*         actualArgs    = funcCall->get_args();
                              SgExpressionPtrList&   actualExpArgs = actualArgs->get_expressions ();

                              ROSE_ASSERT(actualExpArgs.size() == 1);
                              Rose_STL_Container<SgNode*> nodeLst = NodeQuery::querySubTree(*actualExpArgs.begin(), V_SgStringVal);

                              ROSE_ASSERT( nodeLst.size() > 0);
                              SgStringVal* actualArg = isSgStringVal(*nodeLst.begin());
                              ROSE_ASSERT(actualArg != NULL);

                              std::string  stringArg = actualArg->get_value();

                              std::cout << "arg:" << stringArg << std::endl;

                              std::string varName;

                           // SgInitializedName* initName = NULL; 
                              if ( SgAssignInitializer* assignInit =  isSgAssignInitializer(assignExp) )
                                 {
                                   SgInitializedName* initName = isSgInitializedName(assignInit->get_parent());
                                   ROSE_ASSERT(initName != NULL);
                                 
                                   varName = initName->get_name().getString();
                                 }
                                else
                                 {
                                   if ( SgAssignOp* assignOp = isSgAssignOp(assignExp) )
                                      {
                                        SgExpression*     lhsOp  = assignOp->get_lhs_operand();
                                        SgVarRefExp*      varRef = isSgVarRefExp(lhsOp);
                                        ROSE_ASSERT(varRef!=NULL);
                                        SgVariableSymbol* varSymbol = varRef->get_symbol();
                                        ROSE_ASSERT(varSymbol != NULL);
                                        SgInitializedName* initName = varSymbol->get_declaration();
                                        varName = initName->get_name().getString();
                                      }
                                 }
 
                              if (varName != "")
                                 {
                                // we are only interested in the part of the argument after the last ":"
                                // Database scopes in ALE3D are separated by ":"

                                   size_t posCol = stringArg.find_last_of(':');
                                 
                                   if (posCol != std::string::npos)
                                        stringArg = stringArg.substr(posCol+1);

                                 //Find violations to the rule
                                   if ( stringArg != varName)
                                      {
                                        output->addOutput(new CheckerOutput(assignExp));
                                        std::cout << "violation" << varName << std::endl;
                                      }
                                     else 
                                      {
                                        std::cout << "non=violation" << varName << std::endl;
                                      }
                                 }
                            }
                       }
                  }
             } 
        }
   } // End of the visit function.