void BasicProgmemTransform::transformCharArrayInitialization(SgFunctionDeclaration *func) {
	/* *
	 * Translates statements of the form:
	 * char arr[n] = "some string"; to:
	 * char arr[n];
	 * strcpy_P(arr, <progmem placeholder>);
	 * */
	Rose_STL_Container<SgNode *> initNames = NodeQuery::querySubTree(func, V_SgInitializedName);
	for(auto &item: initNames) {
		SgInitializedName *initName = isSgInitializedName(item);
		if(initName->get_initializer() == NULL) {
			continue;
		}
		SgVariableDeclaration * varDecl = isSgVariableDeclaration(initName->get_declaration());
		if(varDecl == NULL) {
			continue;
		}
		SgAssignInitializer *assignInit = isSgAssignInitializer(initName->get_initializer());
		if(assignInit == NULL) {
			continue;
		}
		SgType *type = initName->get_type();
		SgType *eleType = SageInterface::getElementType(type);
		if(isSgArrayType(type) && eleType != NULL && isSgTypeChar(eleType)) {
			SgStringVal* strVal = isSgStringVal(assignInit->get_operand());
			std::string str = strVal->get_value();
			int arrSize = getDeclaredArraySize(isSgArrayType(type));
			if(arrSize == 0) {
				//char arr[] = "something";
				int size = str.length() + 1;
				SgArrayType *type = SageBuilder::buildArrayType(SageBuilder::buildCharType(), SageBuilder::buildIntVal(size));
				initName->set_type(type);
			}
			varDecl->reset_initializer(NULL);
			SgVariableDeclaration *placeholder = getVariableDeclPlaceholderForString(str);
			SgVarRefExp *ref = SageBuilder::buildVarRefExp(placeholder);
			std::stringstream instr;
			instr << "\n strcpy_P(" << initName->get_name().getString();
			instr <<  ", " << ref->get_symbol()->get_name().getString() << ");\n";
			SageInterface::attachComment(varDecl, instr.str(), PreprocessingInfo::after);
			printf("transformed %s\n", initName->unparseToString().c_str());
		}

	}
}
Exemplo n.º 2
0
DoxygenFile::DoxygenFile(SgProject *prj, string filename)
{
    Sg_File_Info *info = new Sg_File_Info(filename, 0, 0);

    SgInitializedName *iname = new SgInitializedName;
    stringstream sname;
    sname << "SAGE_Doxygen_Dummy_" << rand();
    iname->set_name(sname.str());
    iname->set_type(new SgTypeInt);
    iname->set_file_info(info);
    iname->get_storageModifier().setExtern();

    SgVariableDeclaration *decl = new SgVariableDeclaration;
    decl->get_variables().push_back(iname);
    decl->set_startOfConstruct(info);
    decl->set_endOfConstruct(info);
    decl->get_declarationModifier().get_storageModifier().setExtern();
    iname->set_parent(decl);
    iname->set_prev_decl_item(iname);

    // SgGlobal *glob = prj->get_file(0).get_globalScope();
    SgSourceFile* sourceFile = isSgSourceFile(prj->get_fileList()[0]);
    ROSE_ASSERT(sourceFile != NULL);
    SgGlobal *glob = sourceFile->get_globalScope();

    // glob->insertStatementInScope(decl, true);
    glob->get_declarations().insert(glob->get_declarations().begin(),decl);
    decl->set_parent(glob);
    SgVariableSymbol* variableSymbol = new SgVariableSymbol(iname);
    glob->insert_symbol(sname.str(),variableSymbol);


    decl->set_parent(glob);
    std::cout << "Before complete string." << std::endl;
    //glob->append_declaration(decl);
    iname->set_scope(glob);

    decl->unparseToCompleteString();

    std::cout << "After complete string." << std::endl;

    commentParent = decl;
    printf("commentParent = %p\n", commentParent);
}
Exemplo n.º 3
0
int main( int argc, char * argv[] )
{
// Option to linearize the array.
  Rose_STL_Container<std::string> localCopy_argv = CommandlineProcessing::generateArgListFromArgcArgv(argc, argv);
  int newArgc;
  char** newArgv = NULL;
  vector<string> argList = localCopy_argv;
  if (CommandlineProcessing::isOption(argList,"-f2c:","linearize",true) == true)
  {
    isLinearlizeArray = true;
  }
  CommandlineProcessing::generateArgcArgvFromList(argList,newArgc, newArgv);
// Build the AST used by ROSE
  SgProject* project = frontend(newArgc,newArgv);
  AstTests::runAllTests(project);   

  if (SgProject::get_verbose() > 2)
    generateAstGraph(project,8000,"_orig");
  
  // Traversal with Memory Pool to search for variableDeclaration
  variableDeclTraversal translateVariableDeclaration;
  traverseMemoryPoolVisitorPattern(translateVariableDeclaration);
  for(vector<SgVariableDeclaration*>::iterator dec=variableDeclList.begin(); dec!=variableDeclList.end(); ++dec)
  {
    /*
       For the Fortran AST, a single variableDeclaration can be shared by multiple variables.
       This violated the normalization rules for C unparser.  Therefore, we have to transform it.
    */
    SgVariableDeclaration* variableDeclaration = isSgVariableDeclaration(*dec);
    ROSE_ASSERT(variableDeclaration);
    if((variableDeclaration->get_variables()).size() != 1)
    {
      updateVariableDeclarationList(variableDeclaration);
      statementList.push_back(variableDeclaration);
      removeList.push_back(variableDeclaration);
    }
  }

  // reset the vector that collects all variable declaration. We need to walk through memory pool again to find types
  
  variableDeclList.clear();
  traverseMemoryPoolVisitorPattern(translateVariableDeclaration);
  for(vector<SgVariableDeclaration*>::iterator dec=variableDeclList.begin(); dec!=variableDeclList.end(); ++dec)
  {
    SgVariableDeclaration* variableDeclaration = isSgVariableDeclaration(*dec);
    ROSE_ASSERT(variableDeclaration);
    SgInitializedNamePtrList initializedNameList = variableDeclaration->get_variables();
    for(SgInitializedNamePtrList::iterator i=initializedNameList.begin(); i!=initializedNameList.end();++i)
    {
      SgInitializedName* initiallizedName = isSgInitializedName(*i);
      SgType* baseType = initiallizedName->get_type();
      if(baseType->variantT() == V_SgArrayType)
      {
        SgArrayType* arrayBase = isSgArrayType(baseType);
        // At this moment, we are still working on the Fortran-stype AST.  Therefore, there is no nested types for multi-dim array.
        if(arrayBase->findBaseType()->variantT() == V_SgTypeString)
        {
          arrayBase->reset_base_type(translateType(arrayBase->findBaseType()));
          arrayBase->set_rank(arrayBase->get_rank()+1);
        }
      }
      else
      {
        initiallizedName->set_type(translateType(baseType));
      }
    }
  }

  // replace the AttributeSpecificationStatement 
  Rose_STL_Container<SgNode*> AttributeSpecificationStatement = NodeQuery::querySubTree (project,V_SgAttributeSpecificationStatement);
  for (Rose_STL_Container<SgNode*>::iterator i = AttributeSpecificationStatement.begin(); i != AttributeSpecificationStatement.end(); i++)
  {
    SgAttributeSpecificationStatement* attributeSpecificationStatement = isSgAttributeSpecificationStatement(*i);
    ROSE_ASSERT(attributeSpecificationStatement);
    translateAttributeSpecificationStatement(attributeSpecificationStatement);
    statementList.push_back(attributeSpecificationStatement);
    removeList.push_back(attributeSpecificationStatement);
  }

  // replace the parameter reference
  parameterTraversal translateParameterRef;
  traverseMemoryPoolVisitorPattern(translateParameterRef);
  for(vector<SgVarRefExp*>::iterator i=parameterRefList.begin(); i!=parameterRefList.end(); ++i)
  {
    SgVarRefExp* parameterRef = isSgVarRefExp(*i);
    if(parameterSymbolList.find(parameterRef->get_symbol()) != parameterSymbolList.end())
    {
      SgExpression* newExpr = isSgExpression(deepCopy(parameterSymbolList.find(parameterRef->get_symbol())->second));
      ROSE_ASSERT(newExpr);
      newExpr->set_parent(parameterRef->get_parent());
      replaceExpression(parameterRef,
                        newExpr,
                        false);
    }
  }

  /*
     Parameters will be replaced by #define, all the declarations should be removed
  */
  for(map<SgVariableSymbol*,SgExpression*>::iterator i=parameterSymbolList.begin();i!=parameterSymbolList.end();++i)
  {
    SgVariableSymbol* symbol = i->first;
    SgInitializedName* initializedName = symbol->get_declaration();
    SgVariableDeclaration* decl = isSgVariableDeclaration(initializedName->get_parent());
    statementList.push_back(decl);
    removeList.push_back(decl);
  }


  // Traversal with Memory Pool to search for arrayType
  arrayTypeTraversal translateArrayType;
  traverseMemoryPoolVisitorPattern(translateArrayType);
  for(vector<SgArrayType*>::iterator i=arrayTypeList.begin(); i!=arrayTypeList.end(); ++i)
  {
    if(isLinearlizeArray)
    {
      linearizeArrayDeclaration(*i);
    }
    else
    {
      translateArrayDeclaration(*i);
    }
  }

  // Traversal with Memory Pool to search for pntrArrRefExp
  pntrArrRefTraversal translatePntrArrRefExp;
  traverseMemoryPoolVisitorPattern(translatePntrArrRefExp);
  for(vector<SgPntrArrRefExp*>::iterator i=pntrArrRefList.begin(); i!=pntrArrRefList.end(); ++i)
  {
    if(isLinearlizeArray)
    {
      linearizeArraySubscript(*i);
    }
    else
    {
      translateArraySubscript(*i);
    }
  }


  Rose_STL_Container<SgNode*> functionList = NodeQuery::querySubTree (project,V_SgFunctionDeclaration);
  for (Rose_STL_Container<SgNode*>::iterator i = functionList.begin(); i != functionList.end(); i++)
  {
    if((isSgProcedureHeaderStatement(*i) != NULL) ||
       (isSgProgramHeaderStatement(*i) != NULL)){
      SgFunctionDeclaration* functionBody = isSgFunctionDeclaration(*i);
      bool hasReturnVal = false;
      if(isSgProcedureHeaderStatement(functionBody))
      {
        hasReturnVal = isSgProcedureHeaderStatement(functionBody)->isFunction();
      }
      fixFortranSymbolTable(functionBody->get_definition(),hasReturnVal);
    }
  } 

  // Traversal with Memory Pool to search for equivalenceStatement
  equivalencelTraversal translateEquivalenceStmt;
  traverseMemoryPoolVisitorPattern(translateEquivalenceStmt);
  for(vector<SgEquivalenceStatement*>::iterator i=equivalenceList.begin(); i!=equivalenceList.end(); ++i)
  {
    SgEquivalenceStatement* equivalenceStatement = isSgEquivalenceStatement(*i);
    ROSE_ASSERT(equivalenceStatement);
    translateEquivalenceStatement(equivalenceStatement);
    statementList.push_back(equivalenceStatement);
    removeList.push_back(equivalenceStatement);
  }



  // Simple traversal, bottom-up, to translate the rest
  f2cTraversal f2c;
  f2c.traverseInputFiles(project,postorder);

  // removing all the unsed statement from AST
  for(vector<SgStatement*>::iterator i=statementList.begin(); i!=statementList.end(); ++i)
  {
    removeStatement(*i);
    (*i)->set_parent(NULL);
  }
      
  // deepDelete the removed nodes 
  for(vector<SgNode*>::iterator i=removeList.begin(); i!=removeList.end(); ++i)
  {
    deepDelete(*i);
  }
      
/*
  1. There should be no Fortran-specific AST nodes in the whole
     AST graph after the translation. 
  
  TODO: make sure translator generating clean AST 
*/
    //generateDOT(*project);
  if (SgProject::get_verbose() > 2)
    generateAstGraph(project,8000);
  return backend(project);
}