C++ SgStatement::class_name方法代码示例

std::map<SgNode*,PreviousAndNextNodeData*>
computePreviousAndNextNodes(SgGlobal* globalScope, std::vector<FrontierNode*> frontierNodes)
   {
  // This is an alternative way to compute the previous/next node map using the token/AST unparsing frontier list directly.

     std::map<SgNode*,PreviousAndNextNodeData*> previousAndNextNodeMap;

     SgStatement* previousNode         = globalScope;
     SgStatement* previousPreviousNode = globalScope;
     for (size_t j = 0; j < frontierNodes.size(); j++)
        {
       // SgStatement* statement = topAttribute.frontierNodes[j];
       // ROSE_ASSERT(statement != NULL);
          FrontierNode* frontierNode = frontierNodes[j];
          ROSE_ASSERT(frontierNode != NULL);
          SgStatement* statement = frontierNode->node;
          ROSE_ASSERT(statement != NULL);
#if 0
          printf (" (%p = %s) ",statement,statement->class_name().c_str());
#endif
          PreviousAndNextNodeData* previousAndNextNodeData = new PreviousAndNextNodeData(previousPreviousNode,statement);
#if 0
          printf ("Building previousAndNextNodeData = %p previousPreviousNode = %p = %s previousNode = %p = %s statement = %p = %s \n",
               previousAndNextNodeData,previousPreviousNode,previousPreviousNode->class_name().c_str(),
               previousNode,previousNode->class_name().c_str(),statement,statement->class_name().c_str());
#endif
       // Insert a element into the map for the current IR node being traversed.
          if (previousNode != NULL)
             {
#if 0
               printf ("Insert previousAndNextNodeData = %p into previousAndNextNodeMap \n",previousAndNextNodeData);
#endif
               previousAndNextNodeMap.insert(std::pair<SgNode*,PreviousAndNextNodeData*>(previousNode,previousAndNextNodeData));
             }
            else
             {
               printf ("WARNING: previousNode == NULL: j = %" PRIuPTR " can't insert entry into previousAndNextNodeMap: statement = %p = %s \n",j,statement,statement->class_name().c_str());
             }

          previousPreviousNode = previousNode;
          previousNode = statement;
        }

  // Handle the last frontier IR node
     if (frontierNodes.empty() == false)
        {
          PreviousAndNextNodeData* previousAndNextNodeData = new PreviousAndNextNodeData(previousPreviousNode,globalScope);

       // Insert a element into the map for the current IR node being traversed.
          previousAndNextNodeMap.insert(std::pair<SgNode*,PreviousAndNextNodeData*>(previousNode,previousAndNextNodeData));
        }

     return previousAndNextNodeMap;
   }

void visitorTraversal::visit(SgNode* n)
   {
  // There are three types ir IR nodes that can be queried for scope:
  //   - SgStatement, and 
  //   - SgInitializedName
     SgStatement* statement = isSgStatement(n);
     if (statement != NULL)
        {
          SgScopeStatement* scope = statement->get_scope();
          ROSE_ASSERT(scope != NULL);
          printf ("SgStatement       = %12p = %30s has scope = %12p = %s (total number = %d) \n",
               statement,statement->class_name().c_str(),
               scope,scope->class_name().c_str(),(int)scope->numberOfNodes());
        }

     SgInitializedName* initializedName = isSgInitializedName(n);
     if (initializedName != NULL)
        {
          SgScopeStatement* scope = initializedName->get_scope();
          ROSE_ASSERT(scope != NULL);
          printf ("SgInitializedName = %12p = %30s has scope = %12p = %s (total number = %d)\n",
               initializedName,initializedName->get_name().str(),
               scope,scope->class_name().c_str(),(int)scope->numberOfNodes());
        }
   }

void getIfConds(SgIfStmt* fixIf, SgScopeStatement* parentScope) {
	SgStatement* conditional = fixIf->get_conditional();
	if (isSgExprStatement(conditional)) {
		SgExpression* expr = isSgExprStatement(conditional)->get_expression();
		std::pair<SgVariableDeclaration*, SgExpression*> pr = SageInterface::createTempVariableForExpression(expr,isSgScopeStatement(fixIf),true);		
		SgInitializedNamePtrList lptr = pr.first->get_variables();
		//std::cout << "lprt size: " << lptr.size() << std::endl;
		ROSE_ASSERT(lptr.size() <= 1);
		SgVarRefExp* varRef = SageBuilder::buildVarRefExp(pr.first);
		SgIntVal* iv = SageBuilder::buildIntVal(0);
		SgNotEqualOp* nop = SageBuilder::buildNotEqualOp(isSgExpression(varRef),isSgExpression(iv)); 
		SgExprStatement* ses = SageBuilder::buildExprStatement(isSgExpression(nop));	
		SageInterface::replaceStatement(conditional,ses);
	
	//SageInterface::moveVariableDeclaration(pr.first, parentScope);
//	SageInterface::appendStatement(pr.first, parentScope);	
	SageInterface::insertStatementBefore(fixIf,pr.first);
	
	std::cout << "conditional type: " << conditional->class_name() << std::endl;
	}
	return;
}	

void
visitorTraversal::visit(SgNode* n)
   {
     SgFile* file = isSgFile(n);
     if (file != NULL)
        {
          filename = file->get_sourceFileNameWithPath();
        }

  // On each statement node and output it's position.
     SgStatement* statement = isSgStatement(n);

     bool outputStatement = (statement != NULL) ? true : false;

  // Check for the statement to exist in the input source file
     outputStatement = outputStatement && (statement->get_file_info()->get_filenameString() == filename);

  // Skip SgGlobal IR nodes
     outputStatement = outputStatement && (isSgGlobal(statement) == NULL);

     if (outputStatement == true)
        {
          AttachedPreprocessingInfoType* comments = statement->getAttachedPreprocessingInfo();

          if (comments != NULL)
             {
            // printf ("Found attached comments (to IR node at %p of type: %s): \n",statement,statement->class_name().c_str());
            // int counter = 0;
               AttachedPreprocessingInfoType::iterator i;
               for (i = comments->begin(); i != comments->end(); i++)
                  {
#if 0
                    printf ("          Attached Comment #%d in file %s (relativePosition=%s): classification %s :\n%s\n",
                         counter++,(*i)->get_file_info()->get_filenameString().c_str(),
                         ((*i)->getRelativePosition() == PreprocessingInfo::before) ? "before" : "after",
                         PreprocessingInfo::directiveTypeName((*i)->getTypeOfDirective()).c_str(),
                         (*i)->getString().c_str());
#endif

                 // Mark comments and CPP directives a few different colors.
                    int startingLineNumber   = (*i)->get_file_info()->get_line();
                    int startingColumnNumber = (*i)->get_file_info()->get_col();

                 // Subtract 1 from number of lines to avoid over counting the current line.
                    int endingLineNumber = startingLineNumber + ((*i)->getNumberOfLines() - 1);
                    int endingColumnNumber = (*i)->getColumnNumberOfEndOfString();

                    string color = directiveTypeColor((*i)->getTypeOfDirective());
#if 0
                    printf ("%d,%d,%s,%d,%d\n",startingLineNumber,startingColumnNumber,color.c_str(),endingLineNumber,endingColumnNumber);
#endif
                    dataFile << startingLineNumber << "," << startingColumnNumber << "," << color << "," << endingLineNumber << "," << endingColumnNumber << endl;
                  }
             }
            else
             {
            // printf ("No attached comments (at %p of type: %s): \n",statement,statement->sage_class_name());
             }

          ROSE_ASSERT(statement->get_startOfConstruct() != NULL);
          int startingLineNumber   = statement->get_startOfConstruct()->get_line();
          int startingColumnNumber = statement->get_startOfConstruct()->get_col();
          if (statement->get_endOfConstruct() == NULL)
             {
               printf ("Error: statement->get_endOfConstruct() == NULL (statement = %p = %s) \n",statement,statement->class_name().c_str());
             }
          ROSE_ASSERT(statement->get_endOfConstruct() != NULL);
          int endingLineNumber     = statement->get_endOfConstruct()->get_line();
          int endingColumnNumber   = statement->get_endOfConstruct()->get_col();

       // Catch errors (likely compiler generate IR node or NULL file)
          if (endingLineNumber == 0)
             {
               endingLineNumber   = startingLineNumber;
               endingColumnNumber = startingColumnNumber;
             }
#if 0
       // Mark all statements blue
          string color = "blue";
          if (isSgScopeStatement(statement) != NULL)
             color = "red";
#else
          string color = nodeColor(statement);
#endif
#if 0
          printf ("%d,%d,%s,%d,%d  %s = %p \n",startingLineNumber,startingColumnNumber,color.c_str(),endingLineNumber,endingColumnNumber,statement->class_name().c_str(),statement);
#endif
          dataFile << startingLineNumber << "," << startingColumnNumber << "," << color << "," << endingLineNumber << "," << endingColumnNumber << endl;

        }


  // On each statement node and output it's position.
     SgExpression* expression = isSgExpression(n);

     bool outputExpression = (expression != NULL) ? true : false;

  // Check for the statement to exist in the input source file
     outputExpression = outputExpression && (expression->get_file_info()->get_filenameString() == filename);

//.........这里部分代码省略.........

DetectMacroExpansionsToBeUnparsedAsAstTransformationsSynthesizedAttribute 
DetectMacroExpansionsToBeUnparsedAsAstTransformations::evaluateSynthesizedAttribute ( 
   SgNode* n, 
   DetectMacroExpansionsToBeUnparsedAsAstTransformationsInheritedAttribute inheritedAttribute, 
   SubTreeSynthesizedAttributes synthesizedAttributeList )
   {
     DetectMacroExpansionsToBeUnparsedAsAstTransformationsSynthesizedAttribute returnAttribute(n);

#if 0
     printf ("In (Detect Transformations in Macro Expansions) evaluateSynthesizedAttribute(): n = %s n->get_containsTransformation() = %s \n",n->class_name().c_str(),n->get_containsTransformation() ? "true" : "false");
#endif

  // DQ (11/8/2015): This has to be moved to after the tokenStreamSequenceMap has been setup since we need that to determine if 
  // IR nodes have a token mapping or not (subparts of macros expansions will not and we need this infor to recognize parts of 
  // the AST that are associated with macro expansions.
  // DQ (11/8/2015): If this has been marked as containing a transformation then check if there is token info for each of the children.
  // If there is not token info for each of the children then this currentStatement (e.g. n) must be marked as a transformation.
  // This case happens when a transformation is done to a child of a statement that is part of a macro.  In this case the parent will
  // have token information which is the macro call, but since there is a transformation, we have to unparse the fully expanded form 
  // of the macro (from the AST), so the whole subtree must be unparsed.  NOTE: this case might be more complex if multiple statements
  // are associated with a macro (so that there is not a single root of the subtree.  I need to build an example of this to better 
  // understand if there is a problem and if so just what would be the best solution.  It will b at least an iterative refinement of
  // this specific problem.  See tests/roseTests/astInterfaceTests/inputmoveDeclarationToInnermostScope_test2015_135.C for an example
  // of this problem.
     if (n->get_containsTransformation() == true)
        {
#if 0
          printf ("Found case of statement marked as containing a transforamtion \n");
#endif
          SgStatement* currentStatement = isSgStatement(n);
#if 0
          if (currentStatement != NULL)
             {
            // printf ("currentStatement = %p = %s \n",currentStatement,currentStatement->class_name().c_str());
               printf ("currentStatement = %s \n",currentStatement->class_name().c_str());
               printf ("   --- currentStatement->isTransformation()    = %s \n",currentStatement->isTransformation() ? "true" : "false");
             }
#endif
       // We have to test for a macro exapansion (will only work on statement level grainularity where parent statement has child statements).
          bool all_children_have_token_info = true;
          for (size_t i = 0; i < synthesizedAttributeList.size(); i++)
             {
               SgStatement* statement = isSgStatement(synthesizedAttributeList[i].node);
               if (statement != NULL)
                  {
#if 0
                 // printf ("(child) statement = %p = %s \n",statement,statement->class_name().c_str());
                    printf ("(child) statement = %s \n",statement->class_name().c_str());
                    printf ("   --- statement->isTransformation()           = %s \n",statement->isTransformation() ? "true" : "false");
                    printf ("   --- statement->get_containsTransformation() = %s \n",statement->get_containsTransformation() ? "true" : "false");
#endif
                 // DQ (11/8/2015): We might need to also check the surrounding white space as well (except that I think this is set later).
                    if (tokenStreamSequenceMap.find(statement) != tokenStreamSequenceMap.end())
                       {
                      // If we have a token mapping then we don't have to do anything.
                         TokenStreamSequenceToNodeMapping* mapping = tokenStreamSequenceMap[statement];
                         ROSE_ASSERT(mapping != NULL);
                       }
                      else
                       {
#if 0
                      // printf ("Parent statement = %p = %s No token stream information found for child statement = %p = %s \n",
                      //      currentStatement,currentStatement->class_name().c_str(),statement,statement->class_name().c_str());
                         printf ("Parent statement = %s No token stream information found for child statement = %s \n",
                              currentStatement->class_name().c_str(),statement->class_name().c_str());
                         printf ("   --- at line: %d \n",statement->get_file_info()->get_line());

                      // When this is a function declaration, try to understand more about it.
                         SgFunctionDeclaration* functionDeclaration = isSgFunctionDeclaration(statement);
                         if (functionDeclaration != NULL)
                            {
                              printf ("   --- functionDeclaration name = %s \n",functionDeclaration->get_name().str());
                            }
#endif
                         all_children_have_token_info = false;
                       }
                  }
             }

          if (currentStatement != NULL && all_children_have_token_info == false)
             {
#if 0
            // printf ("*** Found case of statement marked as containing a transforamtion, but all children without token info (detected a macro expansion): currentStatement = %p = %s \n",currentStatement,currentStatement->class_name().c_str());
               printf ("*** Found case of statement marked as containing a transforamtion, but all children without token info (detected a macro expansion): currentStatement = %s \n",currentStatement->class_name().c_str());
#endif

            // DQ (11/9/2015): Added support for specific scopes where we don't want them the be 
            // unparsed from the token stream when children of them are transformed.
            // DQ (11/8/2015): I think that this should not apply to a SgBasicBlock (for example see 
            // tests/roseTests/astInterfaceTests/inputmoveDeclarationToInnermostScope_test2015_94.C).
            // The reason is that a block is not the same sort for compound statement as a SgForStatement.
            // if (isSgBasicBlock(currentStatement) == NULL)
               bool current_statement_is_allowed_to_have_statements_with_unmapped_token_sequences = 
                    ( (isSgGlobal(currentStatement) != NULL)          || 
                      (isSgBasicBlock(currentStatement) != NULL)      ||
                   // (isSgEnumDefinition(currentStatement) != NULL)  ||
                      (isSgClassDefinition(currentStatement) != NULL) );

               if (current_statement_is_allowed_to_have_statements_with_unmapped_token_sequences == false)
                  {
//.........这里部分代码省略.........

//.........这里部分代码省略.........
                            }
                         assert (newval);
                         replaceCopiesOfExpression(lhs, newval, eCopy);
                       }
                    break;

                    case V_SgPlusPlusOp:
                       {
                         SgExpression* lhs = isSgPlusPlusOp(modstmt)->get_operand();
                         SgIntVal* one = new SgIntVal(SgNULL_FILE, 1);
                         one->set_endOfConstruct(SgNULL_FILE);
                         SgAddOp* add = new SgAddOp(SgNULL_FILE, lhs, one);
                         add->set_endOfConstruct(SgNULL_FILE);
                         lhs->set_parent(add);
                         one->set_parent(add);
                         replaceCopiesOfExpression(lhs,add,eCopy);
                            }
                    break;

                    case V_SgMinusMinusOp:
                       {
                         SgExpression* lhs = isSgMinusMinusOp(modstmt)->get_operand();
                         SgIntVal* one = new SgIntVal(SgNULL_FILE, 1);
                         one->set_endOfConstruct(SgNULL_FILE);
                         SgSubtractOp* sub = new SgSubtractOp(SgNULL_FILE, lhs, one);
                         sub->set_endOfConstruct(SgNULL_FILE);
                         lhs->set_parent(sub);
                         one->set_parent(sub);
                         replaceCopiesOfExpression(lhs,sub,eCopy);
                       }
                    break;

                    default:
                         cerr << modstmt->sage_class_name() << endl;
                         assert (false);
                         break;
                  }

#ifdef FD_DEBUG
            cout << "e is " << e->unparseToString() << endl;
            cout << "eCopy is " << eCopy->unparseToString() << endl;
#endif
               updateCache = doFdVariableUpdate(rules, varref, e, eCopy);
#ifdef FD_DEBUG
            cout << "updateCache is " << updateCache->unparseToString() << endl;
#endif
               if (updateCache)
                  {
                    ROSE_ASSERT(modstmt != NULL);
                    SgNode* ifp = modstmt->get_parent();
                    SgCommaOpExp* comma = new SgCommaOpExp(SgNULL_FILE, updateCache, modstmt);
                    modstmt->set_parent(comma);
                    updateCache->set_parent(comma);

                    if (ifp == NULL)
                       {
                         printf ("modstmt->get_parent() == NULL modstmt = %p = %s \n",modstmt,modstmt->class_name().c_str());
                         modstmt->get_startOfConstruct()->display("modstmt->get_parent() == NULL: debug");
                       }
                    ROSE_ASSERT(ifp != NULL);
#ifdef FD_DEBUG
                 cout << "New expression is " << comma->unparseToString() << endl;
                 cout << "IFP is " << ifp->sage_class_name() << ": " << ifp->unparseToString() << endl;
#endif
                    if (isSgExpression(ifp))
                       {

void
FixupSelfReferentialMacrosInAST::visit ( SgNode* node )
   {
  // DQ (3/11/2006): Set NULL pointers where we would like to have none.
  // printf ("In FixupSelfReferentialMacrosInAST::visit(): node = %s \n",node->class_name().c_str());

     ROSE_ASSERT(node != NULL);
     switch (node->variantT())
        {
          case V_SgInitializedName:
             {
               SgInitializedName* initializedName = isSgInitializedName(node);
               ROSE_ASSERT(initializedName != NULL);
               SgType* type = initializedName->get_type()->stripType();
               SgClassType* classType = isSgClassType(type);
               if (classType != NULL)
                  {
                    SgClassDeclaration* targetClassDeclaration = isSgClassDeclaration(classType->get_declaration());
                    SgName className = targetClassDeclaration->get_name();

                 // printf ("In FixupSelfReferentialMacrosInAST::visit(): Found a class declaration name = %s \n",className.str());

                 // For sudo_exec_pty.c also look for siginfo
                    if (className == "sigaction" || className == "siginfo")
                       {
                      // printf ("In FixupSelfReferentialMacrosInAST::visit(): Found a sigaction type \n");

                      // Note we could also check that the declaration came from a known header file.
                         SgStatement* associatedStatement = isSgStatement(initializedName->get_parent());
                         if (associatedStatement != NULL)
                            {
                           // Add a macro to undefine the "#define sa_handler __sigaction_handler.sa_handler" macro.
                           // printf ("In FixupSelfReferentialMacrosInAST::visit(): Add a macro to undefine the macro #define sa_handler __sigaction_handler.sa_handler \n");

                           // PreprocessingInfo* macro = new PreprocessingInfo(DirectiveType, const std::string & inputString,const std::string & filenameString, int line_no , int col_no,int nol, RelativePositionType relPos );

                              PreprocessingInfo::DirectiveType directiveType = PreprocessingInfo::CpreprocessorUndefDeclaration;

                           // We are puting out all macros anytime we see either type.  This might be too much...

                           // From the sigaction.h file (included by signal.h):
                              addMacro(associatedStatement,"#undef sa_handler\n",directiveType);
                              addMacro(associatedStatement,"#undef sa_sigaction\n",directiveType);

                           // From the siginfo.h file (included by signal.h):
                              addMacro(associatedStatement,"#undef si_pid\n",    directiveType);
                              addMacro(associatedStatement,"#undef si_uid\n",    directiveType);
                              addMacro(associatedStatement,"#undef si_timerid\n",directiveType);
                              addMacro(associatedStatement,"#undef si_overrun\n",directiveType);
                              addMacro(associatedStatement,"#undef si_status\n", directiveType);
                              addMacro(associatedStatement,"#undef si_utime\n",  directiveType);
                              addMacro(associatedStatement,"#undef si_stime\n",  directiveType);
                              addMacro(associatedStatement,"#undef si_value\n",  directiveType);
                              addMacro(associatedStatement,"#undef si_int\n",    directiveType);
                              addMacro(associatedStatement,"#undef si_ptr\n",    directiveType);
                              addMacro(associatedStatement,"#undef si_addr\n",   directiveType);
                              addMacro(associatedStatement,"#undef si_band\n",   directiveType);
                              addMacro(associatedStatement,"#undef si_fd\n",     directiveType);
                            }
                       }
                  }
             }

          default:
             {
            // printf ("Not handled in FixupSelfReferentialMacrosInAST::visit(%s) \n",node->class_name().c_str());
             }
        }

#if 0
  // DQ (12/30/2013): Comments and CPP directives have not yet been attached to the AST, so we can't process them here.

  // SgLocatedNode* locatedNode = isSgLocatedNode(node);
  // if (locatedNode != NULL)
     SgStatement* stmt = isSgStatement(node);
     if (stmt != NULL)
        {
       // Find all #define statements and look for self referencing macros

          int numberOfComments = -1;
          if (stmt->getAttachedPreprocessingInfo() != NULL)
               numberOfComments = stmt->getAttachedPreprocessingInfo()->size();

          std::string s = std::string(" --- startOfConstruct: file = " ) + stmt->get_startOfConstruct()->get_filenameString()
             + " raw filename = " + stmt->get_startOfConstruct()->get_raw_filename()
             + " raw line = "     + StringUtility::numberToString(stmt->get_startOfConstruct()->get_raw_line())
             + " raw column = "   + StringUtility::numberToString(stmt->get_startOfConstruct()->get_raw_col())
             + " #comments = "    + StringUtility::numberToString(numberOfComments)
             + " \n ";

          AttachedPreprocessingInfoType* comments = stmt->getAttachedPreprocessingInfo();

          if (comments != NULL)
             {
               printf ("Found attached comments (at %p of type: %s): \n",stmt,stmt->class_name().c_str());
               AttachedPreprocessingInfoType::iterator i;
               for (i = comments->begin(); i != comments->end(); i++)
                  {
                    ROSE_ASSERT ( (*i) != NULL );
                    printf ("          Attached Comment (relativePosition=%s): %s\n",
//.........这里部分代码省略.........

// Insert a new statement before or after a target statement.  If
// allowForInit is true, the new statement can be inserted into the
// initializer of a for statement.
// Needs to be merged
void myStatementInsert ( SgStatement* target, SgStatement* newstmt, bool before, bool allowForInit )
   {
     ROSE_ASSERT(target != NULL);
     ROSE_ASSERT(newstmt != NULL);
#if 0
     printf ("In inlining: myStatementInsert(): newstmt = %p = %s \n",newstmt,newstmt->class_name().c_str());
     printf ("In inlining: myStatementInsert(): target = %p = %s \n",target,target->class_name().c_str());
#endif
     SgStatement* parent = isSgStatement(target->get_parent());
#if 0
     if (parent == NULL)
        {
          ROSE_ASSERT(target->get_file_info() != NULL);
          target->get_file_info()->display("problem IR node: debug");

          if (target != NULL)
             {
            // printf ("In inlining: myStatementInsert(): target->get_parent() = %p = %s \n",target->get_parent(),target->get_parent()->class_name().c_str());
               printf ("In inlining: myStatementInsert(): target->get_parent() = %p \n",target->get_parent());
             }
        }
#endif
  // cerr << "1: target is a " << target->sage_class_name() << ", target->get_parent() is a " << target->get_parent()->sage_class_name() << endl;
     if (isSgIfStmt(parent) && isSgIfStmt(parent)->get_conditional() == target)
        {
          target = parent;
          parent = isSgScopeStatement(target->get_parent());
        }

  // printf ("allowForInit = %s \n",allowForInit ? "true" : "false");
     if (isSgForInitStatement(target->get_parent()) && !allowForInit)
        {
          target = isSgScopeStatement(target->get_parent()->get_parent());
          parent = isSgScopeStatement(target->get_parent());
          assert (target);
        }

     if (isSgSwitchStatement(target->get_parent()) && target == isSgSwitchStatement(target->get_parent())->get_item_selector()) {
       target = isSgScopeStatement(target->get_parent()->get_parent());
       parent = isSgScopeStatement(target->get_parent());
       assert (target);
     }

     ROSE_ASSERT(target != NULL);
#if 0
  // DQ (8/1/2005): This fails because the parent at some point is not set and the unparseToString detects this (likely in qualifier generation)
     cerr << "2: target is a " << target->sage_class_name() << ", target->get_parent() is a " << target->get_parent()->sage_class_name() << endl;
     ROSE_ASSERT(parent != NULL);
     if (parent->get_parent() == NULL)
        {
          printf ("Found null parent of %p = %s \n",parent,parent->class_name().c_str());
        }
     ROSE_ASSERT(parent->get_parent() != NULL);
     cerr << "2: parent is a " << parent->sage_class_name() << ", parent->get_parent() is a " << parent->get_parent()->sage_class_name() << endl;
  // cerr << "2: target is " << target->unparseToString() << ", target->get_parent() is " << target->get_parent()->unparseToString() << endl;
#endif
     ROSE_ASSERT (parent);
     SgStatementPtrList* siblings_ptr;
     if (isSgForInitStatement(target->get_parent()))
        {
          siblings_ptr = &isSgForInitStatement(target->get_parent())->get_init_stmt();
        }
       else
        {
          assert (parent);
          if (isSgScopeStatement(parent))
             {
               ROSE_ASSERT(parent != NULL);
               siblings_ptr = &isSgScopeStatement(parent)->getStatementList();
               parent = isSgStatement(target->get_parent()); // getStatementList might have changed it when parent was a loop or something similar
               ROSE_ASSERT (parent);
             }
            else
             {
               assert (!"Bad parent type");
             }
        }

     ROSE_ASSERT(siblings_ptr != NULL);
     ROSE_ASSERT(target != NULL);

     SgStatementPtrList& siblings = *siblings_ptr;
     SgStatementPtrList::iterator stmt_iter = std::find(siblings.begin(), siblings.end(), target);
     ROSE_ASSERT (stmt_iter != siblings.end());

     if (!before)
          ++stmt_iter;

     newstmt->set_parent(parent);
     siblings.insert(stmt_iter, newstmt);
   }

FrontierDetectionForTokenStreamMapping_InheritedAttribute
FrontierDetectionForTokenStreamMapping::evaluateInheritedAttribute(SgNode* n, FrontierDetectionForTokenStreamMapping_InheritedAttribute inheritedAttribute)
   {
     static int random_counter = 0;

#if 1
  // Ignore IR nodes that are front-end specific (declarations of builtin functions, etc.).
     if (n->get_file_info()->isFrontendSpecific() == false)
        {
          printf ("In FrontierDetectionForTokenStreamMapping::evaluateInheritedAttribute(): n = %p = %s \n",n,n->class_name().c_str());

       // Count the IR nodes traversed so that we can make a subset transformations.
          random_counter++;
        }
#endif

     FrontierDetectionForTokenStreamMapping_InheritedAttribute returnAttribute;

     SgStatement* statement = isSgStatement(n);
  // if (statement != NULL && random_counter > 30 && random_counter < 40)
     if (statement != NULL)
        {
          string name    = "token_frontier";
          string options = "color=\"blue\"";

          if (random_counter > 30 && random_counter < 40)
             {
               printf ("In FrontierDetectionForTokenStreamMapping::evaluateInheritedAttribute(): Mark this statement as a transformation: random_counter = %d statement = %p = %s \n",random_counter,statement,statement->class_name().c_str());

               options = "color=\"red\"";

               returnAttribute.containsFrontier = true;
             }

       // AstAttribute::AttributeNodeInfo* attribute = new FrontierDetectionForTokenStreamMappingAttribute ( (SgNode*) n, name, options);
          AstAttribute* attribute = new FrontierDetectionForTokenStreamMappingAttribute ( (SgNode*) n, name, options);

          statement->setAttribute(name,attribute);
        }

  // return FrontierDetectionForTokenStreamMapping_InheritedAttribute();
     return returnAttribute;
   }