Пример #1
0
void 
MyTraversal::visit ( SgNode* astNode )
   {
     SgBasicBlock* bb = isSgBasicBlock(astNode);
     SgGlobal *sg=isSgGlobal(astNode);
           
     string symbol_id="foo";
     string incstr="#include \"newadinc.h\"";
           
     if (bb!=NULL)
        {
       // insert declaration double foo;
       // on top of this block
          Sg_File_Info * finfo=new Sg_File_Info(bb->getFileName(), 1,1);
          SgName sgnm(symbol_id.c_str());
          SgType * ptype = new SgTypeDouble(); 
          SgVariableDeclaration *sgdecl=new SgVariableDeclaration(finfo,sgnm,
ptype);
          bb->prepend_statement(sgdecl);
       // MiddleLevelRewrite::insert(bb, sgdecl->unparseToString(),MidLevelCollectionTypedefs::TopOfCurrentScope);
        } 
       else 
        {
          if(sg!=NULL)
             {
               MiddleLevelRewrite::insert(sg,incstr, MidLevelCollectionTypedefs::TopOfCurrentScope);
             }
        }
   }
Пример #2
0
void
RtedTransformation::insertVariableCreateInitForParams( SgFunctionDefinition& fndef)
{
    SgBasicBlock* body = fndef.get_body();
    ROSE_ASSERT( body);

    SgInitializedNamePtrList names = fndef.get_declaration()->get_parameterList()->get_args();

    BOOST_FOREACH( SgInitializedName* param, names)
    {
      SgType* initType = param->get_type();

      // nov2010 code:
      // reference variables don't allocate new memory
      // if we call createVariable the RTS will think it's a double
      // allocation fault

      // \pp we skip array types because they will be handled elsewhere
      // \todo not sure if this is correct here, b/c arrays would decay
      //       to pointers anyway. However, this decay is not represented
      //       in the nov2010 code, thus we skip these initializations
      //       here.
      if ( isSgReferenceType(initType) || isSgArrayType(skip_ModifierType(initType)) )
        continue;

      SgFunctionDeclaration* fndecl = fndef.get_declaration();
      std::cerr << ">>> " << fndecl->get_name() << std::endl;
      ROSE_ASSERT(isSgFunctionDefinition(param->get_scope()));

      body->prepend_statement( buildVariableCreateCallStmt(param, true) );
    }
Пример #3
0
ClastToSage::ClastToSage(SgScopeStatement* scopScope,
			 clast_stmt* root,
			 scoplib_scop_p scoplibScop,
			 PolyRoseOptions& options)
{
  //SgScopeStatement* scope = isSgScopeStatement((SgNode*) scoplibScop->usr);
  _polyoptions = options;
  SgScopeStatement* scope = scopScope;
  ROSE_ASSERT(scope);
  m_scopRoot = NULL;
  /// OLD:
  m_scope = scope;
  m_scoplib_scop = scoplibScop;
  m_verbose = _polyoptions.isVerbose();

  // 0- Retrive meta information stored as an annotation of the
  // SageAST root.
  SgStatement* scopRoot = isSgStatement((SgNode*)(scoplibScop->usr));
  ScopRootAnnotation* annot =
    (ScopRootAnnotation*)(scopRoot->getAttribute("ScopRoot"));
  ROSE_ASSERT(annot);
  _fakeSymbolMap = annot->fakeSymbolMap;

  // 1- Collect all iterators in the clast. They are of the from 'cXX'
  // where XX is an integer.
  _scoplibIterators = collectAllIterators(root);

  // 2- Map clast iterator to new variables that does not conflict
  // with existing names, and register the symbols in the symbol
  // table.
  _sageIterators = createNewIterators(_scoplibIterators, scope);

  // 3- Create the basic block containing the transformed scop.
  SgBasicBlock* bb = buildBasicBlock(root);
  // 4- Update the variable scope with the new bb, and insert the
  // declaration statement in the AST.
  std::map<const char*, SgVariableDeclaration*>::iterator iter;
  Rose_STL_Container<SgNode*> varRefs =
    NodeQuery::querySubTree(bb,V_SgVarRefExp);
  for(iter = _sageIterators.begin(); iter != _sageIterators.end(); ++iter)
    {
      // Deal with the symbol tables.
      SgInitializedNamePtrList& l = iter->second->get_variables();
      for (SgInitializedNamePtrList::iterator i = l.begin(); i != l.end(); i++)
	{
	  (*i)->set_scope(bb);
	  SgVariableSymbol* sym = new SgVariableSymbol(*i);
          bb->insert_symbol((*i)->get_name(), sym);
	  // Ugly hack: replace the old symbol with the new entry in
	  // the symbol table.
	  for (Rose_STL_Container<SgNode *>::iterator j = varRefs.begin();
	       j != varRefs.end(); j++)
	    {
	      SgVarRefExp *vRef = isSgVarRefExp((*j));
	      if (vRef->get_symbol()->get_name() == (*i)->get_name())
		vRef->set_symbol(sym);
	    }

	}
      // Insert the declaration statement in the BB.
      bb->prepend_statement(iter->second);
    }

  // Post-process for pragma insertion.
  if (options.getGeneratePragmas())
    insertPragmas(bb);

  m_scopRoot = bb;
}
Пример #4
0
void
SgNode::insertSourceCode ( SgProject & project,
                           const char* sourceCodeString,
                           const char* localDeclaration,
                           const char* globalDeclaration,
                           bool locateNewCodeAtTop,
                           bool isADeclaration )
   {
  // If this function is useful only for SgBasicBlock then it should be put into that class directly.
  // This function is used to insert code into AST object for which insertion make sense:
  // (specifically any BASIC_BLOCK_STMT)

     if (variant() != BASIC_BLOCK_STMT)
        {
          printf ("ERROR: insert only make since for BASIC_BLOCK_STMT statements (variant() == variant()) \n");
          ROSE_ABORT();
        }

     SgBasicBlock* currentBlock = isSgBasicBlock(this);
     ROSE_ASSERT (currentBlock != NULL);

  // printf ("##### Calling SgNode::generateAST() \n");

#if 0
     printf ("In insertSourceCode(): globalDeclaration = \n%s\n",globalDeclaration);
     printf ("In insertSourceCode(): localDeclaration  = \n%s\n",localDeclaration);
     printf ("In insertSourceCode(): sourceCodeString  = \n%s\n",sourceCodeString);
#endif

  // SgNode* newTransformationAST = generateAST (project,sourceCodeString,globalDeclaration);
  // ROSE_ASSERT (newTransformationAST != NULL);
     SgStatementPtrList* newTransformationStatementListPtr =
          generateAST (project,sourceCodeString,localDeclaration,globalDeclaration,isADeclaration);
     ROSE_ASSERT (newTransformationStatementListPtr != NULL);
     ROSE_ASSERT (newTransformationStatementListPtr->size() > 0);

  // printf ("##### DONE: Calling SgNode::generateAST() \n");

  // get a reference to the statement list out of the basic block
     SgStatementPtrList & currentStatementList = currentBlock->get_statements();

     if (locateNewCodeAtTop == true)
        {
       // Insert at top of list (pull the elements off the bottom of the new statement list to get the order correct
       // printf ("Insert new statements (new statement list size = %d) at the top of the block (in reverse order to preset the order in the final block) \n",newTransformationStatementListPtr->size());
          SgStatementPtrList::reverse_iterator transformationStatementIterator;
          for (transformationStatementIterator = newTransformationStatementListPtr->rbegin();
               transformationStatementIterator != newTransformationStatementListPtr->rend();
               transformationStatementIterator++)
             {
            // Modify where a statement is inserted to avoid dependent variables from being inserted
            // before they are declared.

            // Get a list of the variables
            // Generate the list of types used within the target subtree of the AST
               list<string> typeNameStringList = NameQuery::getTypeNamesQuery ( *transformationStatementIterator );

               int statementCounter         = 0;
               int previousStatementCounter = 0;

            // Declaration furthest in source sequence of all variables referenced in code to be inserted (last in source sequence order)
//             SgStatementPtrList::iterator furthestDeclarationInSourceSequence = NULL;
               SgStatementPtrList::iterator furthestDeclarationInSourceSequence;

#if 0
               string unparsedDeclarationCodeString = (*transformationStatementIterator)->unparseToString();
               ROSE_ASSERT (unparsedDeclarationCodeString.c_str() != NULL);
               printf ("unparsedDeclarationCodeString = %s \n",unparsedDeclarationCodeString.c_str());
#endif
               if ( typeNameStringList.size() > 0 )
                  {
                 // There should be at least one type in the statement
                    ROSE_ASSERT (typeNameStringList.size() > 0);
                 // printf ("typeNameStringList.size() = %d \n",typeNameStringList.size());

                 // printf ("This statement has a dependence upon a variable of some type \n");

                 // Loop over all the types and get list of variables of each type
                 // (so they can be declared properly when the transformation is compiled)
                    list<string>::iterator typeListStringElementIterator;
                    for (typeListStringElementIterator = typeNameStringList.begin();
                         typeListStringElementIterator != typeNameStringList.end();
                         typeListStringElementIterator++)
                       {
                      // printf ("Type = %s \n",(*typeListStringElementIterator).c_str());

                      // Find a list of names of variable of type (*listStringElementIterator)
                         list<string> operandNameStringList =
                              NameQuery::getVariableNamesWithTypeNameQuery
                                 ( *transformationStatementIterator, *typeListStringElementIterator );

                      // There should be at least one variable of that type in the statement
                         ROSE_ASSERT (operandNameStringList.size() > 0);
                      // printf ("operandNameStringList.size() = %d \n",operandNameStringList.size());

                      // Loop over all the types and get list of variable of each type
                         list<string>::iterator variableListStringElementIterator;
                         for (variableListStringElementIterator = operandNameStringList.begin();
                              variableListStringElementIterator != operandNameStringList.end();
                              variableListStringElementIterator++)
                            {
#if 0
                              printf ("Type = %s Variable = %s \n",
                                   (*typeListStringElementIterator).c_str(),
                                   (*variableListStringElementIterator).c_str());
#endif
                              string variableName = *variableListStringElementIterator;
                              string typeName     = *typeListStringElementIterator;

                              SgName name = variableName.c_str();
                              SgVariableSymbol* symbol = currentBlock->lookup_var_symbol(name);
                              if ( symbol != NULL )
                                 {
                                // found a variable with name -- make sure that the declarations 
                                // represented by *transformationStatementIterator are inserted 
                                // after their declaration.
#if 0
                                   printf ("Found a valid symbol corresponding to Type = %s Variable = %s (must be defined in the local scope) \n",
                                        (*typeListStringElementIterator).c_str(),
                                        (*variableListStringElementIterator).c_str());
#endif
                                   ROSE_ASSERT (symbol != NULL);
                                   SgInitializedName* declarationInitializedName = symbol->get_declaration();
                                   ROSE_ASSERT (declarationInitializedName != NULL);
                                   SgDeclarationStatement* declarationStatement  =
                                        declarationInitializedName->get_declaration();
                                   ROSE_ASSERT (declarationStatement != NULL);
#if 0
                                   printf ("declarationStatementString located at line = %d of file = %s \n",
                                        rose::getLineNumber(declarationStatement),
                                        rose::getFileName(declarationStatement));
                                   string declarationStatementString = declarationStatement->unparseToString();
                                   printf ("declarationStatementString = %s \n",declarationStatementString.c_str());
#endif
                                   statementCounter = 1;

                                   SgStatementPtrList::iterator i = currentStatementList.begin();
                                   bool declarationFound = false;
                                   while ( ( i != currentStatementList.end() ) && ( declarationFound == false ) )
                                      {
                                     // searching for the declarationStatement
#if 0
                                        printf ("statementCounter = %d previousStatementCounter = %d \n",
                                             statementCounter,previousStatementCounter);
                                        string currentStatementString = (*i)->unparseToString();
                                        printf ("currentStatementString = %s \n",currentStatementString.c_str());
#endif
                                        if ( (*i == declarationStatement) &&
                                             (statementCounter > previousStatementCounter) )
                                           {
                                          // printf ("Found the declarationStatement at position (statementCounter = %d previousStatementCounter = %d) \n",statementCounter,previousStatementCounter);
                                             declarationFound = true;
                                           }
                                          else
                                           {
                                          // printf ("Not the declaration we are looking for! \n");
                                             i++;
                                             statementCounter++;
                                           }
                                      }

                                // Save a reference to the variable declaration that is furthest in
                                // the source sequence so that we can append the new statement just
                                // after it (so that variables referenced in the new statement will
                                // be defined).
                                   if ( (statementCounter > previousStatementCounter) && ( declarationFound == true ) )
                                      {
                                        previousStatementCounter = statementCounter;
                                        furthestDeclarationInSourceSequence = i;
                                      }
#if 0
                                   printf ("AFTER LOOP OVER STATEMENTS: previousStatementCounter = %d \n",previousStatementCounter);
                                   string lastStatementString = (*furthestDeclarationInSourceSequence)->unparseToString();
                                   printf ("lastStatementString = %s \n",lastStatementString.c_str());
#endif
                                 }
                                else
                                 {
                                // If the variable is not found then insert the new statement at the front of the list
#if 0
                                   printf ("Can NOT find a valid symbol corresponding to Type = %s Variable = %s (so it is not declared in the local scope) \n",
                                        (*typeListStringElementIterator).c_str(),
                                        (*variableListStringElementIterator).c_str());
#endif
                                // currentStatementList.push_front(*transformationStatementIterator);
                                 }
#if 0
                              printf ("BOTTOM OF LOOP OVER VARIABLES: previousStatementCounter = %d \n",previousStatementCounter);
#endif
                            }

                         if (statementCounter > previousStatementCounter)
                              previousStatementCounter = statementCounter;

#if 0
                         printf ("BOTTOM OF LOOP OVER TYPES: previousStatementCounter = %d \n",previousStatementCounter);
#endif
#if 0
                         printf ("Exiting in insertSourceCode(): transformationStatementIterator loop (type = %s) ... \n",(*typeListStringElementIterator).c_str());
                         ROSE_ABORT();
#endif
                       }

#if 0
                    printf ("Exiting in loop insertSourceCode (type = %s) ... \n",(*typeListStringElementIterator).c_str());
                    ROSE_ABORT();
#endif
                 // Now append the new statement AFTER the declaration that we have found
                 // currentStatementList.insert(*targetDeclarationStatementIterator,*transformationStatementIterator);
                 // currentStatementList.insert(lastStatementIterator,*transformationStatementIterator);
#if 1
                 // printf ("BEFORE ADDING NEW STATEMENT: previousStatementCounter = %d \n",previousStatementCounter);
                    if (previousStatementCounter == 0)
                       {
                         printf ("##### Prepend new statement to the top of the local scope \n");
                      // currentStatementList.push_front(*transformationStatementIterator);
                         currentBlock->prepend_statement (*transformationStatementIterator);
                       }
                      else
                       {
                      // printf ("##### Append the new statement after the last position where a dependent variable is declared in the local scope \n");
                      // Use new function added to append/prepend at a specified location in the list of statements
                         currentBlock->append_statement (furthestDeclarationInSourceSequence,*transformationStatementIterator);
                       }
#else
                    SgStatementPtrList::iterator tempIterator = furthestDeclarationInSourceSequence;
                    tempIterator++;
                 // Handle the case of appending at the end of the list
                    if ( tempIterator == currentStatementList.end() )
                       {
                         currentBlock->append_statement (*transformationStatementIterator);
                       }
                      else
                       {
                         currentBlock->insert_statement (tempIterator,*transformationStatementIterator);
                       }
#endif
                  }
                 else
                  {
                 // This statement has no type information (so it has no dependence upon any non-primative type)
                 // "int x;" would be an example of a statement that would not generate a type (though perhaps it should?)
                 // printf ("This statement has no type information (so it has no dependence upon any non-primative type) \n");

                 // So this statment can be places at the front of the list of statements in this block
                 // *** Note that we can't use the STL function directly since it does not set the parent information ***
                 // currentStatementList.push_front(*transformationStatementIterator);
                    currentBlock->insert_statement (currentStatementList.begin(),*transformationStatementIterator);
                  }

#if 0
               string bottomUnparsedDeclarationCodeString = (*transformationStatementIterator)->unparseToString();
               ROSE_ASSERT (bottomUnparsedDeclarationCodeString.c_str() != NULL);
               printf ("bottomUnparsedDeclarationCodeString = %s \n",bottomUnparsedDeclarationCodeString.c_str());
#endif
             }

#if 0
          printf ("Exiting in insertSourceCode(): case of locateNewCodeAtTop == true ... \n");
          ROSE_ABORT();
#endif
        }
       else
        {
       // Put the new statements at the end of the list (traverse the new statements from first to last)
       // But put it before any return statement! So find the last statement!
          SgStatementPtrList::iterator lastStatement = currentStatementList.begin();
          bool foundEndOfList = false;
          while ( (foundEndOfList == false) && (lastStatement != currentStatementList.end()) )
             {
               SgStatementPtrList::iterator tempStatement = lastStatement;
               tempStatement++;
               if (tempStatement == currentStatementList.end())
                    foundEndOfList = true;
                 else
                    lastStatement++;
             }
          ROSE_ASSERT ( *lastStatement != NULL );

       // printf ("(*lastStatement)->sage_class_name() = %s \n",(*lastStatement)->sage_class_name());

       // printf ("Insert new statements at the bottom of the block \n");
          SgStatementPtrList::iterator transformationStatementIterator;
          for (transformationStatementIterator = newTransformationStatementListPtr->begin();
               transformationStatementIterator != newTransformationStatementListPtr->end();
               transformationStatementIterator++)
             {
            // If there is a RETURN_STMT in the block then insert the new statement just before the
            // existing RETURN_STMT
               if ( (*lastStatement)->variant() == RETURN_STMT)
                  {
                 // printf ("Backing away from the end of the list to find the last non-return statement \n");
                 // lastStatement--;
                    currentBlock->insert_statement(lastStatement,*transformationStatementIterator);
                  }
                 else
                  {
                    currentStatementList.push_back(*transformationStatementIterator);
                  }
             }
        }

  // printf ("$CLASSNAME::insertSourceCode taking (SgProject,char*,char*) not implemented yet! \n");
  // ROSE_ABORT();
   }