Exemple #1
0
void
CompassAnalyses::DiscardAssignment::Traversal::
visit(SgNode* node)
   { 
     if (isSgAssignOp(node))
     {
       // simple case: the parent of a "real" assignment op must be an
       // expression statement
       if (!isSgExprStatement(node->get_parent()))
       {
         output->addOutput(new CheckerOutput(node));
       }
       else
       {
         // not so simple case: the parent is an expression statement, but if
         // that statement is an if/loop condition, we still want to complain
         SgNode *assignment = node->get_parent();
         SgNode *p = assignment->get_parent();
         SgDoWhileStmt *dws;
         SgForStatement *fs;
         SgIfStmt *is;
         SgSwitchStatement *ss;
         SgWhileStmt *ws;

         if ((dws = isSgDoWhileStmt(p)) && dws->get_condition() == assignment)
         {
           output->addOutput(new CheckerOutput(node));
         }
         else if ((fs = isSgForStatement(p)) && fs->get_test() == assignment)
         {
           output->addOutput(new CheckerOutput(node));
         }
         else if ((is = isSgIfStmt(p)) && is->get_conditional() == assignment)
         {
           output->addOutput(new CheckerOutput(node));
         }
         else if ((ss = isSgSwitchStatement(p)) && ss->get_item_selector() == assignment)
         {
           output->addOutput(new CheckerOutput(node));
         }
         else if ((ws = isSgWhileStmt(p)) && ws->get_condition() == assignment)
         {
           output->addOutput(new CheckerOutput(node));
         }
       }
     }
     else if (SgMemberFunctionRefExp *mf = isSgMemberFunctionRefExp(node))
     {
       // not so simple case: call to operator= member function that is not an
       // expression statement by itself
       SgFunctionCallExp *call = isSgFunctionCallExp(mf->get_parent()->get_parent());
       if (call && !isSgExprStatement(call->get_parent())
        && mf->get_parent() == call->get_function()
        && std::strcmp(mf->get_symbol()->get_name().str(), "operator=") == 0)
       {
         output->addOutput(new CheckerOutput(call));
       }
     }
   } //End of the visit function.
Exemple #2
0
/*  Assuming 
 *  #pragma target device (mpi:master) begin
 *  stmt-list here // it may contain variable declarations
 *  #pragma target device (mpi:master) end
 *
 *
 *  Essentially wrap the code block in side if (rank ==0) { } 
 *  To ensure the correctness, all variable declarations will be moved right in front of the if () stmt
 *  If a variable declaration has assignment initializer, the initializer will be split out and put into the if-stmt's true body
 * */
void MPI_Code_Generator::transMPIDeviceMaster (SgOmpTargetStatement * t_stmt)
{
  // Sanity check
  ROSE_ASSERT (t_stmt != NULL);
  SgStatement* body_stmt = t_stmt->get_body();
  SgBasicBlock * body_block = isSgBasicBlock (body_stmt);

  SgScopeStatement* scope =  t_stmt->get_scope();
  ROSE_ASSERT (scope != NULL);

  // normalization should happen before this point to ensure BB for body statements
  ROSE_ASSERT (body_block!= NULL);
  ROSE_ASSERT (isMPIMasterBegin (t_stmt));

  //insert a if (rank) .. after the end pragma
  SgIfStmt * ifstmt = buildIfStmt (buildEqualityOp(buildVarRefExp("_xomp_rank", scope), buildIntVal(0)), buildBasicBlock(), NULL);
  insertStatementAfter (t_stmt, ifstmt);
  SgBasicBlock * bb = isSgBasicBlock(ifstmt->get_true_body());  

   SgStatement* next_stmt = (body_block->get_statements())[0];

   // normalize all declarations
   while ( next_stmt != NULL)
   {
     // save current stmt before getting next one 
     SgStatement* cur_stmt = next_stmt;
     next_stmt = getNextStatement (next_stmt);
     //ROSE_ASSERT (next_stmt != NULL);
     if (SgVariableDeclaration* decl = isSgVariableDeclaration (cur_stmt))
       splitVariableDeclaration (decl);
   }
 
   //reset from the beginning 
   next_stmt = (body_block->get_statements())[0];
   while ( next_stmt != NULL)
   {
     // save current stmt before getting next one 
     SgStatement* cur_stmt = next_stmt;
     next_stmt = getNextStatement (next_stmt);
     //ROSE_ASSERT (next_stmt != NULL);

     if (!isSgVariableDeclaration(cur_stmt))
     {
       // now remove the current stmt
       removeStatement (cur_stmt, false);
       appendStatement(cur_stmt, bb);
     }
     else  // for variable declarations, prepend them to be before t_stmt
     {
       removeStatement (cur_stmt, false);
       insertStatementBefore(t_stmt, cur_stmt, false);
     }
   }

  // remove the pragma stmt after the translation
  removeStatement (t_stmt);
}
Exemple #3
0
// DQ (2/6/2010): This codes was moved from tests/trestTranslator.C
// It is not currently called within the the fixup of the AST.
// Note that this used to be called using: 
//      if (getenv("ROSE_TEST_ELSE_DISAMBIGUATION") != NULL) removeEmptyElses(project);
// But I didn't feel that we wanted evnvironment variable based testing like this.
// This is a fixup that we might want later.
void removeEmptyElses(SgNode* top)
   {
     std::vector<SgNode*> ifs = NodeQuery::querySubTree(top, V_SgIfStmt);
     for (size_t i = 0; i < ifs.size(); ++i)
        {
          SgIfStmt* s = isSgIfStmt(ifs[i]);
          if (isSgBasicBlock(s->get_false_body()) && isSgBasicBlock(s->get_false_body())->get_statements().empty())
             {
               s->set_false_body(NULL);
             }
        }
   }
void
CompassAnalyses::ExplicitTestForNonBooleanValue::Traversal::
visit(SgNode* node)
   { 
  // Implement your traversal here.  
        // 1. conditional expression
        if(NULL != isSgBasicBlock(node))
        {
          Rose_STL_Container<SgNode*> conditionalExpList = NodeQuery::querySubTree(node, V_SgConditionalExp);
          for(Rose_STL_Container<SgNode*>::iterator i=conditionalExpList.begin(); i != conditionalExpList.end(); i++)
          {
            SgConditionalExp* conditionalExp = isSgConditionalExp(*i);
            //ROSE_ASSERT(conditionalExp != NULL);

            if(NULL != conditionalExp && NULL != isSgCastExp(conditionalExp->get_conditional_exp()))
            {
              output->addOutput(new CheckerOutput(conditionalExp));
            }
          }
        } else {

          SgExprStatement* exprStatement = NULL;

          // 2. test statement in a if statement
          SgIfStmt* ifStmt = isSgIfStmt(node);
          if(NULL != ifStmt)
            exprStatement = isSgExprStatement(ifStmt->get_conditional());

          // 3. test statement in a while statement
          SgWhileStmt* whileStmt = isSgWhileStmt(node);
          if(NULL != whileStmt)
            exprStatement = isSgExprStatement(whileStmt->get_condition());

          // 4. test statement in a do-while statement
          SgDoWhileStmt* doWhileStmt = isSgDoWhileStmt(node);
          if(NULL != doWhileStmt)
            exprStatement = isSgExprStatement(doWhileStmt->get_condition());

          // 5. test statement in a for statement
          SgForStatement* forStatement = isSgForStatement(node);
          if(NULL != forStatement)
            exprStatement = isSgExprStatement(forStatement->get_test());

          if(NULL != exprStatement && NULL != isSgCastExp(exprStatement->get_expression()))
          {
            output->addOutput(new CheckerOutput(node));
          }
        }

   } //End of the visit function.
void
CompassAnalyses::FloatingPointExactComparison::Traversal::
visit(SgNode* node)
   { 
  // Implement your traversal here.  

     SgExprStatement* exprStatement = NULL;

     SgIfStmt* ifStmt = isSgIfStmt(node);
     if(NULL != ifStmt)
       exprStatement = isSgExprStatement(ifStmt->get_conditional());

     SgWhileStmt* whileStmt = isSgWhileStmt(node);
     if(NULL != whileStmt)
       exprStatement = isSgExprStatement(whileStmt->get_condition());

     SgDoWhileStmt* doWhileStmt = isSgDoWhileStmt(node);
     if(NULL != doWhileStmt)
       exprStatement = isSgExprStatement(doWhileStmt->get_condition());

     SgForStatement* forStatement = isSgForStatement(node);
     if(NULL != forStatement)
       exprStatement = isSgExprStatement(forStatement->get_test());

     if(NULL != exprStatement && NULL != isSgNotEqualOp(exprStatement->get_expression()))
     {
       SgNotEqualOp* comparison = isSgNotEqualOp(exprStatement->get_expression());
       if((comparison->get_lhs_operand_i() != NULL &&
           isSgDoubleVal(comparison->get_lhs_operand_i()) != NULL) ||
          (comparison->get_rhs_operand_i() != NULL &&
           isSgDoubleVal(comparison->get_rhs_operand_i()) != NULL))
       {
         output->addOutput(new CheckerOutput(comparison));
       }
     }

     if(NULL != exprStatement && NULL != isSgEqualityOp(exprStatement->get_expression()))
     {
       SgEqualityOp* comparison = isSgEqualityOp(exprStatement->get_expression());
       if((comparison->get_lhs_operand_i() != NULL &&
           isSgDoubleVal(comparison->get_lhs_operand_i()) != NULL) ||
          (comparison->get_rhs_operand_i() != NULL &&
           isSgDoubleVal(comparison->get_rhs_operand_i()) != NULL))
       {
         output->addOutput(new CheckerOutput(comparison));
       }
     }

   } //End of the visit function.
Exemple #6
0
void SSAGenerator::findConditionNodes()
{	
	Flow::node_iterator i = flow->nodes_begin();
	while(i != flow->nodes_end())
	{
		SgNode* node = labeler->getNode(*i);
		SgNode* current = node;
		while(true)
		{
			assert(current != NULL);
			SgFunctionDefinition* funcDef = dynamic_cast<SgFunctionDefinition*>(current);
			SgIfStmt* ifStmt = dynamic_cast<SgIfStmt*>(current);	
			if(funcDef != NULL) //*node is not enclosed in an if statement
			{
				break;
			}
			else if(ifStmt != NULL)
			{
				SgNode* condition = ifStmt->get_conditional();
				if(node == condition) //*node is the condition of the found if statement; Keep searching upwards
				{
					current = current->get_parent();					
					continue; 
				}	
				else //*node is enclosed in the if statement with the condition *condition
				{
					Label conditionLabel = labeler->getLabel(condition);
					conditionMap.insert(pair<Label, Label>(*i, conditionLabel));
					break;
				}
			}
			current = current->get_parent();
		}
		i++;
	}

	//Print
	map<Label, Label>::iterator j = conditionMap.begin(); 
	while(j != conditionMap.end())
	{
		logger[Sawyer::Message::DEBUG] << "(" << j->first << ", " << j->second << ")" << endl;	
		j++;
	}
}
SgIfStmt *
RoseStatementsAndExpressionsBuilder::buildIfStatementWithEmptyElse (
    SgExpression * ifGuard, SgScopeStatement * thenBlock)
{
  using namespace SageBuilder;
  using namespace SageInterface;

  SgStatement * ifGuardStatement = buildExprStatement (ifGuard);

  SgIfStmt * ifStatement = new SgIfStmt (ifGuardStatement, thenBlock, NULL);
  ifStatement->setCaseInsensitive (true);
  ifStatement->set_use_then_keyword (true);
  ifStatement->set_has_end_statement (true);

  setOneSourcePositionForTransformation (ifStatement);

  ifGuardStatement->set_parent (ifStatement);
  thenBlock->set_parent (ifStatement);

  return ifStatement;
}
unsigned int
PathGrader::
checkNode(const SgNode& var,
          SgNode& node,
          const SgIfStmt & dominator,
          int & checkedOnLine)
{
  std::cout << "Calling " << __PRETTY_FUNCTION__ << std::endl;
  const SgStatement * const conditional = dominator.get_conditional();
  std::cout << "Conditional is: " << conditional->unparseToString() << std::endl;
  if( !isSgExprStatement( conditional ) ) return 0;
  const SgExprStatement * const exprStmt = dynamic_cast<const SgExprStatement * const>(conditional);
  ROSE_ASSERT( exprStmt != NULL );
  const SgExpression * const expr = exprStmt->get_expression();

  return checkConditional(expr);
}
Exemple #9
0
bool TransformFunction(SgFunctionDeclaration *funcDecl, SgBasicBlock *funcBody,
                       SgBasicBlock *scanScope, int *loopCount, int *segmentCount)
{
   /* Wherever TransformFunction is called recursively below, the return */
   /* value should most likely be propagated to the local simpleWork var */

   bool simpleWork = true ; /* entire block only contains sequential work */
   SgStatement *segBegin = NULL ;
   SgStatement *stmt ;

   Rose_STL_Container<SgNode*> blockStmts =
       NodeQuery::querySubTree(scanScope, V_SgStatement,
                               AstQueryNamespace::ChildrenOnly) ;

   for (Rose_STL_Container<SgNode*>::iterator s_itr = blockStmts.begin();
           s_itr != blockStmts.end(); ++s_itr)
   {
      stmt = isSgStatement(*s_itr) ;
      ROSE_ASSERT(stmt);

      // printf("%s\n", stmt->sage_class_name()) ;

      /* assume no work in variable declarations -- for now */
      if (isSgDeclarationStatement(stmt))
         continue ;

      if (isSgForStatement(stmt)) /* could be embedded inside a statement */
      {
         SgForStatement *forStatement = isSgForStatement(stmt) ;
         SgBasicBlock *loopBody = SageInterface::ensureBasicBlockAsBodyOfFor(forStatement) ;
         ROSE_ASSERT(loopBody) ;
         if (segBegin != NULL)
         {
           CreateSegmentProbe(funcDecl, funcBody, segBegin, stmt, segmentCount) ;
           segBegin = NULL ;
         }
         CreateLoopProbe(funcDecl, funcBody, stmt, loopCount) ;
         simpleWork = false ;
         TransformFunction(funcDecl, funcBody, loopBody, loopCount, segmentCount) ; 
      }
      else if (isSgWhileStmt(stmt)) /* could be embedded inside a statement */
      {
         /* At minimum, identifiers in code should be specialized for while */
         SgWhileStmt *whileStatement = isSgWhileStmt(stmt) ;
         SgBasicBlock *loopBody = SageInterface::ensureBasicBlockAsBodyOfWhile(whileStatement) ;
         ROSE_ASSERT(loopBody) ;
         if (instrumentWhile) {
           if (segBegin != NULL)
           {
             CreateSegmentProbe(funcDecl, funcBody, segBegin, stmt, segmentCount) ;
             segBegin = NULL ;
           }
           CreateLoopProbe(funcDecl, funcBody, stmt, loopCount) ;
           simpleWork = false ;
         }
         TransformFunction(funcDecl, funcBody, loopBody, loopCount, segmentCount) ; 
      }
      else if (isSgDoWhileStmt(stmt)) /* could be embedded inside a statement */
      {
         /* At minimum, identifiers in code should be specialized for while */
         SgDoWhileStmt *doWhileStatement = isSgDoWhileStmt(stmt) ;
         SgBasicBlock *loopBody = SageInterface::ensureBasicBlockAsBodyOfDoWhile(doWhileStatement) ;
         ROSE_ASSERT(loopBody) ;
         if (instrumentDoWhile) {
           if (segBegin != NULL)
           {
             CreateSegmentProbe(funcDecl, funcBody, segBegin, stmt, segmentCount) ;
             segBegin = NULL ;
           }
           CreateLoopProbe(funcDecl, funcBody, stmt, loopCount) ;
           simpleWork = false ;
         }
         TransformFunction(funcDecl, funcBody, loopBody, loopCount, segmentCount) ; 
      }
      else if (isSgReturnStmt(stmt)) /* could be embedded inside a statement */
      {
         /* Note -- we should probably put the return statement in block scope */
         /* before adding the extra code */

         /* We do not currently count iterations for loops that are aborted */

         int level = LoopDepth(funcBody, stmt) ;
         if ((segBegin != NULL) && !simpleWork)
         {
           CreateSegmentProbe(funcDecl, funcBody, segBegin, stmt, segmentCount) ;
           segBegin = NULL ;
         }
         if (level != 0)
         {
            HandleItem(funcBody, stmt, "ET_PopLoopSeqIds", buildIntVal(level), true) ;
         }
      }
      else if (isSgGotoStatement(stmt)) /* could be embedded inside a stmt */
      {
         /* ASSUMPTION:  We will always be jumping out of loops, not into them */
         /* Note -- we should probably put the goto statement in block scope */
         /* before adding the extra code */

         /* We do not currently count iterations for loops that are aborted */

         int gotoLevel = LoopDepth(funcBody, stmt) ;
         int labelLevel = LoopDepth(funcBody, isSgGotoStatement(stmt)->get_label()) ;
         int levelDiff = gotoLevel - labelLevel ;
         if (segBegin != NULL)
         {
           CreateSegmentProbe(funcDecl, funcBody, segBegin, stmt, segmentCount) ;
           simpleWork = false ;
           segBegin = NULL ;
         }
         if (levelDiff > 0)
         {
            HandleItem(funcBody, stmt, "ET_PopLoopSeqIds", buildIntVal(levelDiff), true) ;
         }
         else if (levelDiff < 0)
         {
            printf("goto jump into a loop context unexpected.  Terminating.\n") ;
            exit(-1) ;
         }
      }
      else if (isSgLabelStatement(stmt) ||
               isSgBreakStmt(stmt) ||
               isSgContinueStmt(stmt)) /* could be embedded inside a stmt */
      {
         /* we are currently not making an iteration adjustment for */
         /* break or continue statements.  See comments below */
         if (segBegin != NULL)
         {
           CreateSegmentProbe(funcDecl, funcBody, segBegin, stmt, segmentCount) ;
           simpleWork = false ;
           segBegin = NULL ;
         }
      }
      /*
      // These two clauses can be used to count iterations on a per-loop basis
      // rather than on a per-iteration basis. Note that goto and return also
      // need to be modified to do the bulk counting.
      else if (isSgBreakStmt(stmt))
      {
      }
      else if (isSgContinueStmt(stmt))
      {
      }
      */
      else if (isSgIfStmt(stmt))
      {
         bool simpleWorkTrueBody  = true ;
         bool simpleWorkFalseBody = true ;
         SgIfStmt *ifStatement = isSgIfStmt(stmt) ;

         if (ifStatement->get_true_body() != NULL) {
           SgBasicBlock *trueBody = SageInterface::ensureBasicBlockAsTrueBodyOfIf(ifStatement) ;
           ROSE_ASSERT(trueBody) ;
           simpleWorkTrueBody =
              TransformFunction(funcDecl, funcBody, trueBody, loopCount, segmentCount) ; 
         }
         if (ifStatement->get_false_body() != NULL) {
           SgBasicBlock *falseBody = SageInterface::ensureBasicBlockAsFalseBodyOfIf(ifStatement) ;
           ROSE_ASSERT(falseBody) ;
           simpleWorkFalseBody =
              TransformFunction(funcDecl, funcBody, falseBody, loopCount, segmentCount) ; 
         }
         if (!(simpleWorkTrueBody && simpleWorkFalseBody)) {
           if (segBegin != NULL)
           {
             CreateSegmentProbe(funcDecl, funcBody, segBegin, stmt, segmentCount) ;
             segBegin = NULL ;
           }
           simpleWork = false ;
         }
         else {
           if (segBegin == NULL)
           {
#ifndef DISABLE_SEQUENTIAL_SEGMENTS
              segBegin = stmt ;
#endif
           }
         }
      }
      else if (isSgSwitchStatement(stmt))
      {
         bool simpleWorkSwitch ;
         SgSwitchStatement *switchStatement = isSgSwitchStatement(stmt) ;
         // SgBasicBlock *body = isSgBasicBlock(switchStatement->get_body()) ;
         SgBasicBlock *body = SageInterface::ensureBasicBlockAsBodyOfSwitch(switchStatement) ;
         ROSE_ASSERT(body) ;
         simpleWorkSwitch = TransformFunction(funcDecl, funcBody, body, loopCount, segmentCount) ;
         if (!simpleWorkSwitch) {
           if (segBegin != NULL)
           {
             CreateSegmentProbe(funcDecl, funcBody, segBegin, stmt, segmentCount) ;
             segBegin = NULL ;
           }
           simpleWork = false ;
         }
         else {
           if (segBegin == NULL)
           {
#ifndef DISABLE_SEQUENTIAL_SEGMENTS
              segBegin = stmt ;
#endif
           }
         }
      }
      else if (isSgCaseOptionStmt(stmt))
      {
         SgCaseOptionStmt *caseStmt = isSgCaseOptionStmt(stmt) ;
         if (segBegin != NULL)
         {
           CreateSegmentProbe(funcDecl, funcBody, segBegin, stmt, segmentCount) ;
           simpleWork = false ;
           segBegin = NULL ;
         }
         SgBasicBlock *body = isSgBasicBlock(caseStmt->get_body()) ;
         TransformFunction(funcDecl, funcBody, body, loopCount, segmentCount) ;
      }
      else if (isSgDefaultOptionStmt(stmt))
      {
         SgDefaultOptionStmt *defaultStmt = isSgDefaultOptionStmt(stmt) ;
         if (segBegin != NULL)
         {
           CreateSegmentProbe(funcDecl, funcBody, segBegin, stmt, segmentCount) ;
           simpleWork = false ;
           segBegin = NULL ;
         }
         SgBasicBlock *body = isSgBasicBlock(defaultStmt->get_body()) ;
         TransformFunction(funcDecl, funcBody, body, loopCount, segmentCount) ;
      }
      else if (isSgBasicBlock(stmt)) {
         bool simpleWorkBlock ;
         SgBasicBlock *block = isSgBasicBlock(stmt) ;
         simpleWorkBlock = TransformFunction(funcDecl, funcBody, block, loopCount, segmentCount) ;
         if (!simpleWorkBlock) {
           if (segBegin != NULL)
           {
             CreateSegmentProbe(funcDecl, funcBody, segBegin, stmt, segmentCount) ;
             segBegin = NULL ;
           }
           simpleWork = false ;
         }
         else {
           if (segBegin == NULL)
           {
#ifndef DISABLE_SEQUENTIAL_SEGMENTS
              segBegin = stmt ;
#endif
           }
         }
      }
      else if (ContainsNonSimpleCall(stmt))
      {
         if (segBegin != NULL)
         {
           CreateSegmentProbe(funcDecl, funcBody, segBegin, stmt, segmentCount) ;
           segBegin = NULL ;
         }
         simpleWork = false ;
      }
      else
      {
         if (segBegin == NULL)
         {
#ifndef DISABLE_SEQUENTIAL_SEGMENTS
            segBegin = stmt ;
#endif
         }
      }
   }

   if ((segBegin != NULL) && !simpleWork)
   {
      CreateSegmentProbe(funcDecl, funcBody, segBegin, stmt, segmentCount, true) ;
   }

   return simpleWork ;
}
Exemple #10
0
  //! Translate generated Pragma Attributes one by one
  void translatePragmas (std::vector <MPI_PragmaAttribute*>& Attribute_List)
  {
    std::vector<MPI_PragmaAttribute*>::iterator iter;
    for (iter = Attribute_List.begin(); iter!=Attribute_List.end(); iter ++)
    {
      MPI_PragmaAttribute* cur_attr = *iter; 
      cout<<"Translating ..." << cur_attr->toString() <<endl;
      SgScopeStatement* scope = cur_attr->pragma_node ->get_scope();
      ROSE_ASSERT (scope != NULL);
      // simply obtain the default value and remove the pragma
      if (cur_attr-> pragma_type == pragma_mpi_device_default)
      {
        mpi_device_default_choice = cur_attr->default_semantics;
        // no automatic handling of attached preprocessed info. for now
        removeStatement(cur_attr->pragma_node, false);
      }
      // find omp target device(mpi:all) begin
      else if (cur_attr-> pragma_type == pragma_mpi_device_all_begin)
      {
        iter ++; // additional increment once
        MPI_PragmaAttribute* end_attribute = *iter; 
        ROSE_ASSERT (end_attribute->pragma_type = pragma_mpi_device_all_end);
        removeStatement(cur_attr->pragma_node, false);
        removeStatement(end_attribute ->pragma_node, false);
      }  
      else if (cur_attr-> pragma_type == pragma_mpi_device_master_begin)
      { // TODO refactor into a function
        iter ++; // additional increment once
        MPI_PragmaAttribute* end_attribute = *iter; 
        ROSE_ASSERT (end_attribute->pragma_type = pragma_mpi_device_master_end);

        //insert a if (rank) .. after the end pragma
        SgIfStmt * ifstmt = buildIfStmt (buildEqualityOp(buildVarRefExp("_xomp_rank", scope), buildIntVal(0)), buildBasicBlock(), NULL);
        insertStatementAfter (end_attribute->pragma_node, ifstmt);
        SgBasicBlock * bb = isSgBasicBlock(ifstmt->get_true_body());

        SgStatement* next_stmt = getNextStatement(cur_attr->pragma_node); // the next stmt is BB, skip it by starting the search from it
        ROSE_ASSERT (next_stmt != NULL);
        // normalize all declarations
        while ( next_stmt != end_attribute ->pragma_node)
        {
          // save current stmt before getting next one 
          SgStatement* cur_stmt = next_stmt; 
          next_stmt = getNextStatement (next_stmt);
          ROSE_ASSERT (next_stmt != NULL);

          if (SgVariableDeclaration* decl = isSgVariableDeclaration (cur_stmt))
            splitVariableDeclaration (decl);
        }
        // move all non-declaration statements in between into the block
        next_stmt = getNextStatement(cur_attr->pragma_node); //reset from the beginning
        while ( next_stmt != end_attribute ->pragma_node) 
        {
          // save current stmt before getting next one 
          SgStatement* cur_stmt = next_stmt; 
          next_stmt = getNextStatement (next_stmt);
          ROSE_ASSERT (next_stmt != NULL);
           
          if (!isSgVariableDeclaration(cur_stmt))
          {
            // now remove the current stmt
            removeStatement (cur_stmt, false);
            appendStatement(cur_stmt, bb);
          }
        }
        
        // remove pragmas
        removeStatement(cur_attr->pragma_node, false);
        removeStatement(end_attribute ->pragma_node, false);
      }  

    }  // end for
  } // end translatePragmas ()
void
SourceLocationInheritedAttribute::
refineClassification ( SgNode* astNode )
   {
     ROSE_ASSERT (astNode != NULL);
  // printf ("Inside of SourceLocationInheritedAttribute::refineClassification() astNode->sage_class_name() = %s \n",astNode->sage_class_name());

  // Always update this variable
     currentNode = astNode;

  // Only update the currentStatement if the current node is a SgStatement node
     if (isSgStatement(astNode) != NULL)
        {
          currentStatement = isSgStatement(astNode);

       // With this stack we never have to pop anything off the stack
          statementList.push_back(currentStatement);

       // IDEA: Store the current statement with the scope as we push the scope onto the stack
       // Then we can more accurately associate the statement with a given scope.
       // if (isSgScopeStatement(astNode) != NULL)
       // if ( (isSgScopeStatement(astNode) != NULL) && (astNode->get_traversalSuccessorNamesContainer().size() > 0) )

       // Only save the scoep if it is a global scope or basic block
          if ( (isSgGlobal(astNode) != NULL) ||
               (isSgBasicBlock(astNode) != NULL) )
             {
               SgScopeStatement* scope = isSgScopeStatement(astNode);
               scopeList.push_back(scope);
             }

       // printf ("Need to store the current statement with the scope (or something like that) \n");
        }

#if ROSE_INTERNAL_DEBUG
  // error checking
     unsigned int i;
     for (i = 0; i < scopeList.size(); i++)
        {
          ROSE_ASSERT (scopeList[i] != NULL);
        }
     for (i = 0; i < statementList.size(); i++)
        {
          ROSE_ASSERT (statementList[i] != NULL);
        }
#endif

  // Only update the currentExpression if the current node is a SgExpression node
     if (isSgExpression(astNode) != NULL)
          currentExpression = isSgExpression(astNode);

  // currentFunctionBasicBlockScope = NULL;

  // Refine the information with a classification of the current node
     ROSE_ASSERT (astNode != NULL);
     switch (astNode->variantT())
        {
          case V_SgProject:
               project = isSgProject(astNode);
               break;

       // case V_SgFile:
          case V_SgSourceFile:
          case V_SgBinaryComposite:
               file = isSgFile(astNode);
               break;

          case V_SgGlobal:
               globalScope = isSgGlobal(astNode);

            // This will be reset when we hit a SgBasicBlock (but should be set here
            // so that the local scope can be refered to even in the global scope).
               localScope  = globalScope;

            // With this stack we never have to pop anything off the stack
            // scopeList.push_back(globalScope);
               break;

          case V_SgFunctionDeclaration:
#if 0
               currentFunctionDeclaration = isSgFunctionDeclaration(astNode);
#endif
               break;

          case V_SgFunctionDefinition:
             {
               currentFunctionDefinitionScope = isSgFunctionDefinition(astNode);

            // With this stack we heve have to pop anything off the stack (don't add function definition to scope list)
            // scopeList.push_back(currentFunctionDefinitionScope);
#if 0
            // Maybe the function scope should be set when we process the basic block?
               SgFunctionDefenition functionDefinition = isSgFunctionDefinition(astNode);
               if (functionDefinition != NULL)
                    currentFunctionScope = functionDefinition->get_block();
#endif
               break;
             }

          case V_SgBasicBlock:
             {
            // printf ("Case V_SgBasicBlock \n");
               localScope = isSgBasicBlock(astNode);
               if ( isSgFunctionDefinition(localScope->get_parent()) != NULL )
                  {
                    currentFunctionBasicBlockScope = isSgBasicBlock(astNode);
                    ROSE_ASSERT ( currentFunctionBasicBlockScope == currentFunctionDefinitionScope->get_body() );
                  }

            // loop back through the loop nest to recover the parent scope of the loop nest
               SgForStatement* forStatement = isSgForStatement(localScope->get_parent());
               while ( forStatement != NULL )
                  {
                    SgStatement* parentStatement = isSgStatement(forStatement->get_parent());
                    loopNestParentScope = isSgBasicBlock(parentStatement);
                    ROSE_ASSERT (loopNestParentScope != NULL);
                    forStatement = isSgForStatement(loopNestParentScope->get_parent());
                  }

            // don't worry about nested conditionals (not yet at least)
               SgIfStmt* ifStatement = isSgIfStmt(localScope->get_parent());
               if ( ifStatement != NULL )
                  {
                    SgStatement* parentStatement = isSgStatement(ifStatement->get_parent());
                    conditionalParentScope = isSgBasicBlock(parentStatement);
                    ROSE_ASSERT (conditionalParentScope != NULL);
                  }

            // With this stack we never have to pop anything off the stack
            // scopeList.push_back(localScope);
               break;
             }

       // For now all these cases are the same
          case V_SgCatchOptionStmt:
          case V_SgClassDefinition:
          case V_SgDoWhileStmt:
          case V_SgForStatement:
          case V_SgIfStmt:
          case V_SgSwitchStatement:
          case V_SgWhileStmt:
             {
               SgScopeStatement* scope = isSgScopeStatement(astNode);
               ROSE_ASSERT (scope != NULL);

            // With this stack we never have to pop anything off the stack
            // scopeList.push_back(scope);
               break;
             }

          default:
            // astNode is some other type of AST node which we don't keep track of in this inherited
            // attribute.
#if 0
               printf ("Default case inside of SourceLocationInheritedAttribute::refineClassification(astNode = %p) \n",astNode);
               ROSE_ABORT();
#endif
               break;
        }

  // assertValidPointers();

#if 0
     printf ("Inside of SourceLocationInheritedAttribute::refineClassification(astNode = %p) \n",astNode);
     display("Inside of SourceLocationInheritedAttribute::refineClassification()");
#endif
#if 0
     printf ("Inside of SourceLocationInheritedAttribute::refineClassification(astNode = %p) \n",astNode);
     ROSE_ABORT();
#endif
   }
Exemple #12
0
ExprSynAttr *examineStatement(SgStatement *stmt, ostream &out) {
    SgExpression *expr;
    SgExprStatement *expr_stmt;
    ExprSynAttr *expr_attr = NULL;
    ExprSynAttr *attr1 = NULL;

    stringstream fake;
    int i;
    if (NULL == stmt)
        return NULL;
    //out << "/* " << stmt->unparseToString() << " */" << endl;

    switch(stmt->variantT()) {
        case V_SgExprStatement:
        {
            expr_stmt = isSgExprStatement(stmt);
            expr_attr = examineExpr(expr_stmt->get_expression(), fake);
            //out << ";";
            if (NULL != expr_attr) {
                expr_attr->output_comments(out);
            }
            break;
        }
        case V_SgVariableDeclaration:
        {
            SgVariableDeclaration *vardecl = isSgVariableDeclaration(stmt);
            expr_attr = examineVariableDeclaration(vardecl, out);
            break;
        }
        case V_SgBreakStmt:
        {
            out << "break;";
            expr_attr->code << "break;";
            break;
        }
        case V_SgContinueStmt:
        {
            out << "continue;";
            expr_attr->code << "continue;";
            break;
        }
        case V_SgReturnStmt:
        {
            SgReturnStmt *retstmt = isSgReturnStmt(stmt);
            expr_attr = new ExprSynAttr();
            out << "return ";
            expr = retstmt->get_expression();
            if (expr) {
                attr1 = examineExpr(expr, out);
                expr_attr->union_tmp_decls(attr1);
                expr_attr->code << attr1->code.str();
            }
            out << ";";
            expr_attr->code << "return ";
            if (attr1) {
                expr_attr->result_var = attr1->result_var;
                expr_attr->code << expr_attr->result_var;
            }
            expr_attr->code << ";";
            break;
        }
        case V_SgForStatement:
        {
            stringstream head;
            head << "for (";
            SgForStatement *forstmt = isSgForStatement(stmt);
            SgStatementPtrList &init_stmt_list = forstmt->get_init_stmt();
            SgStatementPtrList::const_iterator init_stmt_iter;
            for (init_stmt_iter = init_stmt_list.begin();
                    init_stmt_iter != init_stmt_list.end();
                    init_stmt_iter++) {
                stmt = *init_stmt_iter;
                if (init_stmt_iter != init_stmt_list.begin())
                    head << ", ";
                expr_stmt = isSgExprStatement(stmt);
                if (expr_stmt)
                    examineExpr(expr_stmt->get_expression(), head);
            }
            head << "; ";
            expr_stmt = isSgExprStatement(forstmt->get_test());
            if (expr_stmt)
                examineExpr(expr_stmt->get_expression(), head);
            head << "; ";
            expr = forstmt->get_increment();
            examineExpr(expr, head);
            head << ")" << endl;

            /* Loop body */
            stmt = forstmt->get_loop_body();
            expr_attr = examineStatement(stmt, fake);
            attr1 = new ExprSynAttr();
            attr1->code << head.str();
            if (!isSgScopeStatement(stmt)) {
                attr1->code << "{" << endl;
            }
            expr_attr->output_tmp_decls(attr1->code);
            attr1->code << expr_attr->code.str();
            if (!isSgScopeStatement(stmt)) {
                attr1->code << "}" << endl;
            }
            delete expr_attr;
            expr_attr = attr1;
            attr1 = NULL;
            out << head.str();
            out << fake.str();
            break;
        }
        case V_SgBasicBlock:
        {
            SgScopeStatement *scope = isSgScopeStatement(stmt);
            expr_attr = examineScopeStatement(scope, "scope", out);
            break;
        }
        case V_SgIfStmt: 
        {
            stringstream head;
            SgIfStmt *ifstmt = isSgIfStmt(stmt);
            head << "if (";
            stmt = ifstmt->get_conditional();
            expr_stmt = isSgExprStatement(stmt);
            if (expr_stmt) {
                attr1 = examineExpr(expr_stmt->get_expression(), head);
                if (attr1 != NULL)
                    delete attr1;
            }
            head << ")" << endl;
            out << head.str();

            /* True body */
            stmt = ifstmt->get_true_body();
            expr_attr = examineStatement(stmt, fake);
            attr1 = new ExprSynAttr();
            attr1->code << head.str();
            if (!isSgScopeStatement(stmt)) {
                attr1->code << "{" << endl;
            }
            expr_attr->output_tmp_decls(attr1->code);
            attr1->code << expr_attr->code.str();
            if (!isSgScopeStatement(stmt)) {
                attr1->code << "}" << endl;
            }
            delete expr_attr;
            expr_attr = attr1;
            attr1 = NULL;
            out << head.str();
            out << fake.str();

            /* False body */
            stmt = ifstmt->get_false_body();
            if (stmt) {
                out << endl << "else" << endl;
                expr_attr->code << endl << "else" << endl;
                attr1 = examineStatement(stmt, out);
                if (!isSgScopeStatement(stmt)) {
                    expr_attr->code << "{" << endl;
                }
                attr1->output_tmp_decls(expr_attr->code);
                expr_attr->code << attr1->code.str();
                if (!isSgScopeStatement(stmt)) {
                    expr_attr->code << "}" << endl;
                }
            }

            break;
        }
        case V_SgWhileStmt:
        {
            stringstream head;
            SgWhileStmt *whilestmt = isSgWhileStmt(stmt);
            expr_stmt = isSgExprStatement(whilestmt->get_condition());
            head << "while (";
            if (expr_stmt) {
                attr1 = examineExpr(expr_stmt->get_expression(), head);
                if (NULL != attr1)
                    delete attr1;
            }
            out << head.str() << ")" << endl;
            head << ")" << endl;
            if (!isSgScopeStatement(stmt)) {
                head << "{" << endl;
            }
            expr_attr = new ExprSynAttr();
            expr_attr->code << head.str();

            /* Loop Body */
            stmt = whilestmt->get_body();
            attr1 = examineStatement(stmt, out);

            attr1->output_tmp_decls(expr_attr->code);
            expr_attr->code << attr1->code.str();
            if (!isSgScopeStatement(stmt)) {
                expr_attr->code << "}" << endl;
            }

            delete attr1;
            break;
        }
        case V_SgDoWhileStmt:
        {
            stringstream head;
            SgDoWhileStmt *dowhilestmt = isSgDoWhileStmt(stmt);
            expr_stmt = isSgExprStatement(dowhilestmt->get_condition());
            stmt = dowhilestmt->get_body();
            out << "do";
            head << "do" << endl;
            if (!isSgScopeStatement(stmt)) {
                head << "{" << endl;
            }
            expr_attr = new ExprSynAttr();
            expr_attr->code << head.str();
            attr1 = examineStatement(stmt, out);


            attr1->output_tmp_decls(expr_attr->code);
            expr_attr->code << attr1->code.str();
            if (!isSgScopeStatement(stmt)) {
                expr_attr->code << "}" << endl;
            }
            expr_attr->code << " while (";
            delete attr1;
            out << " while (";
            head.str("");
            if (expr_stmt) {
                attr1 = examineExpr(expr_stmt->get_expression(), head);
                delete attr1;
                out << head.str();
                expr_attr->code << head.str();
            }
            out << ");" << endl;
            expr_attr->code << ");" << endl;
            break;
        }
    }

    return expr_attr;
}