C++ SgVariableDeclaration::get_scope方法代码示例

void
CompassAnalyses::StaticConstructorInitialization::Traversal::
visit(SgNode* node)
   { 
  // Test for static initialization of variables of type class, such initializations where they are 
  // static or appear in global scope can be called in an order dependent upon the compiler and this 
  // can lead to subtle bugs in large scale applications.

     SgVariableDeclaration* variableDeclaration = isSgVariableDeclaration(node);

     if (variableDeclaration != NULL)
        {
          SgInitializedNamePtrList::iterator i = variableDeclaration->get_variables().begin();
          while (i != variableDeclaration->get_variables().end())
             {
               SgInitializedName* initializedName = *i;

            // Check the type and see if it is a class (check for typedefs too)
               SgType* variableType = initializedName->get_type();

               SgClassType *classType = isSgClassType(variableType);
               if (classType != NULL)
                  {
                 // Now check if this is a global or namespace variable or an static class member
                 // This might also have to be a test for other scopes as well.
                    SgScopeStatement* scope = variableDeclaration->get_scope();
                    if (isSgGlobal(scope) != NULL || isSgNamespaceDefinitionStatement(scope) != NULL)
                       {
                      // printf ("Found a global variable defining a class = %p \n",initializedName);
                      // variableDeclaration->get_file_info()->display("global variable defining a class");
                         output->addOutput(new CheckerOutput(initializedName));
                       }

                    if (isSgClassDefinition(scope) != NULL)
                       {
                      // Now check if it is a static data member
                         if (variableDeclaration->get_declarationModifier().get_storageModifier().isStatic() == true)
                            {
                           // printf ("Found a static data member defining a class = %p \n",initializedName);
                           // variableDeclaration->get_file_info()->display("static data member defining a class");
                              output->addOutput(new CheckerOutput(initializedName));
                            }
                       }
                  }

            // increment though the variables in the declaration (typically just one)
               i++;
             }
        }

   } //End of the visit function.

void
Traversal::visit(SgNode* node)
   {
     SgVariableDeclaration* variableDeclaration = isSgVariableDeclaration(node);

  // Look for variable declarations appearing in global scope!
  // if (variableDeclaration != NULL && isSgGlobal(variableDeclaration->get_parent()) != NULL)
     if (variableDeclaration != NULL)
        {
          SgInitializedNamePtrList::iterator i = variableDeclaration->get_variables().begin();
          while (i != variableDeclaration->get_variables().end())
             {
               SgInitializedName* initializedName = *i;

            // Check the type and see if it is a class (check for typedefs too)
               SgType* variableType = initializedName->get_type();

               SgClassType *classType = isSgClassType(variableType);
               if (classType != NULL)
                  {
                 // Now check if this is a global variable or an static class member
                    SgScopeStatement* scope = variableDeclaration->get_scope();
                    if (isSgGlobal(scope) != NULL)
                       {
                         printf ("Found a global variable defining a class \n");
                      // variableDeclaration->get_file_info()->display("global variable defining a class");
                         outputPositionInformation(variableDeclaration);
                       }

                    if (isSgClassDefinition(scope) != NULL)
                       {
                      // Now check if it is a static data member
                         if (variableDeclaration->get_declarationModifier().get_storageModifier().isStatic() == true)
                            {
                              printf ("Found a static data member defining a class \n");
                           // variableDeclaration->get_file_info()->display("static data member defining a class");
                              outputPositionInformation(variableDeclaration);
                            }
                       }
                  }

            // increment though the variables in the declaration (typically just one)
               i++;
             }
        }
   }

void
FixupTemplateArguments::visit ( SgNode* node )
   {
     ROSE_ASSERT(node != NULL);

     SgVariableDeclaration* variableDeclaration = isSgVariableDeclaration(node);
     if (variableDeclaration != NULL)
        {
       // Check the type of the variable declaration, and any template arguments if it is a template type with template arguments.
       // SgType* type = variableDeclaration->get_type();
       // ROSE_ASSERT(type != NULL);
          SgInitializedName* initializedName = SageInterface::getFirstInitializedName(variableDeclaration);
          ROSE_ASSERT(initializedName != NULL);
          SgType* type = initializedName->get_type();
          ROSE_ASSERT(type != NULL);
#if 0
          printf ("\n**************************************************************************** \n");
          printf ("FixupTemplateArguments::visit(): variableDeclaration = %p = %s initializedName = %s \n",variableDeclaration,variableDeclaration->class_name().c_str(),initializedName->get_name().str());
          printf ("   --- type = %p = %s \n",type,type->class_name().c_str());
          string filename = initializedName->get_file_info()->get_filename();
          int linenumber  = initializedName->get_file_info()->get_line();
          printf ("   --- filename = %s line = %d \n",filename.c_str(),linenumber);
#endif
          SgScopeStatement* targetScope = variableDeclaration->get_scope();
          ROSE_ASSERT(targetScope != NULL);
#if 0
          printf ("In FixupTemplateArguments::visit(): targetScope for variableDeclaration = %p = %s \n",targetScope,targetScope->class_name().c_str());
#endif

       // DQ (2/16/2017): Don't process code in template instantiations.
          SgTemplateInstantiationDefn*               templateInstantiationDefn              = isSgTemplateInstantiationDefn(targetScope);
          SgFunctionDeclaration*                     functionDeclaration                    = TransformationSupport::getFunctionDeclaration(targetScope);
          SgTemplateInstantiationFunctionDecl*       templateInstantiationFunctionDec       = isSgTemplateInstantiationFunctionDecl(functionDeclaration);
          SgTemplateInstantiationMemberFunctionDecl* templateInstantiationMemberFunctionDec = isSgTemplateInstantiationMemberFunctionDecl(functionDeclaration);
       // if (templateInstantiationDefn == NULL)
          if (templateInstantiationDefn == NULL && templateInstantiationFunctionDec == NULL && templateInstantiationMemberFunctionDec == NULL)
             {
#if 1
            // DQ (2/15/2017): When this is run, we cause transformations that cause ROSE to have an infinte loop.
            // Since this is a second (redundant) invocaion, we likely should just not run this.  But it is not 
            // clear if this truely fixes the problem that I am seeing.
               bool result = contains_private_type(type,targetScope);

            // DQ (3/25/2017): Added a trivial use to eliminate Clang warning about the return value not being used.
            // But it might be that we should not run the function, however this is a complex subject from last month 
            // that I don't wish to revisit at the moment while being focused om eliminating warnings from Clang.
               ROSE_ASSERT(result == true || result == false);
#endif
#if 0
               if (result == true)
                  {
                    printf ("******** contains private type: variableDeclaration = %p = %s initializedName = %s \n",variableDeclaration,variableDeclaration->class_name().c_str(),initializedName->get_name().str());
                  }
#endif
             }
#if 0
          printf ("DONE: FixupTemplateArguments::visit(): variableDeclaration = %p = %s initializedName = %s \n",variableDeclaration,variableDeclaration->class_name().c_str(),initializedName->get_name().str());
#endif
#if 0
          printf ("Exiting as a test! \n");
          ROSE_ASSERT(false);
#endif
        }
   }

SgVariableSymbol* 
putGlobalVariablesIntoClass (Rose_STL_Container<SgInitializedName*> & globalVariables, SgClassDeclaration* classDeclaration )
   {
  // This function iterates over the list of global variables and inserts them into the iput class definition

     SgVariableSymbol* globalClassVariableSymbol = NULL;

     for (Rose_STL_Container<SgInitializedName*>::iterator var = globalVariables.begin(); var != globalVariables.end(); var++)
        {
       // printf ("Appending global variable = %s to new globalVariableContainer \n",(*var)->get_name().str());
          SgVariableDeclaration* globalVariableDeclaration = isSgVariableDeclaration((*var)->get_parent());
          assert(globalVariableDeclaration != NULL);

       // Get the global scope from the global variable directly
          SgGlobal* globalScope = isSgGlobal(globalVariableDeclaration->get_scope());
          assert(globalScope != NULL);

          if (var == globalVariables.begin())
             {
            // This is the first time in this loop, replace the first global variable with 
            // the class declaration/definition containing all the global variables!
            // Note that initializers in the global variable declarations require modification 
            // of the preinitialization list in the class's constructor!  I am ignoring this for now!
               globalScope->replace_statement(globalVariableDeclaration,classDeclaration);

            // Build source position informaiton (marked as transformation)
               Sg_File_Info* fileInfo = Sg_File_Info::generateDefaultFileInfoForTransformationNode();
               assert(fileInfo != NULL);

            // Add the variable of the class type to the global scope!
               SgClassType* variableType = new SgClassType(classDeclaration->get_firstNondefiningDeclaration());
               assert(variableType != NULL);
               SgVariableDeclaration* variableDeclaration = new SgVariableDeclaration(fileInfo,"AMPI_globals",variableType);
               assert(variableDeclaration != NULL);

               globalScope->insert_statement(classDeclaration,variableDeclaration,false);

               assert(variableDeclaration->get_variables().empty() == false);
               SgInitializedName* variableName = *(variableDeclaration->get_variables().begin());
               assert(variableName != NULL);

            // DQ (9/8/2007): Need to set the scope of the new variable.
               variableName->set_scope(globalScope);

            // build the return value
               globalClassVariableSymbol = new SgVariableSymbol(variableName);

            // DQ (9/8/2007): Need to add the symbol to the global scope (new testing requires this).
               globalScope->insert_symbol(variableName->get_name(),globalClassVariableSymbol);
               ROSE_ASSERT(globalScope->lookup_variable_symbol(variableName->get_name()) != NULL);
             }
            else
             {
            // for all other iterations of this loop ... 
            // remove variable declaration from the global scope
               globalScope->remove_statement(globalVariableDeclaration);
             }

       // add the variable declaration to the class definition
          classDeclaration->get_definition()->append_member(globalVariableDeclaration);
        }

     return globalClassVariableSymbol;
   }