PsiReturnStatement (PsiFile file, PsiMethod method) { final PsiModifierList modifiers = method.getModifierList(); if (modifiers.hasModifierProperty(PsiModifier.ABSTRACT) || method.getBody() == null) { return null; } try { final ConvertReturnStatementsVisitor visitor = new ConvertReturnStatementsVisitor(factory, method, myTargetType); ControlFlow controlFlow; try { controlFlow = HighlightControlFlowUtil.getControlFlowNoConstantEvaluate(method.getBody()); } catch (AnalysisCanceledException e) { return null; //must be an error } PsiReturnStatement returnStatement; if (ControlFlowUtil.processReturns(controlFlow, visitor)) { // extra return statement not needed // get latest modified return statement and select... returnStatement = visitor.getLatestReturn(); } else { returnStatement = visitor.createReturnInLastStatement(); } if (method.getContainingFile() != file) { UndoUtil.markPsiFileForUndo(file); } return returnStatement; } catch (IncorrectOperationException e) { LOG.error(e); } return null; }