1/* 2 * Copyright (c) 2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16import * as ts from "typescript"; 17import { VarDeclarationKind } from "./variable"; 18 19export function getVarDeclarationKind(decl: ts.VariableDeclaration): VarDeclarationKind { 20 if (decl.parent.kind == ts.SyntaxKind.VariableDeclarationList) { 21 let declList = <ts.VariableDeclarationList>decl.parent; 22 if ((declList.flags & ts.NodeFlags.Let) != 0) { 23 return VarDeclarationKind.LET; 24 } else if ((declList.flags & ts.NodeFlags.Const) != 0) { 25 return VarDeclarationKind.CONST; 26 } else { 27 return VarDeclarationKind.VAR; 28 } 29 } else if (decl.parent.kind == ts.SyntaxKind.CatchClause) { 30 return VarDeclarationKind.LET; 31 } else { 32 throw new Error("VariableDeclaration inside " + ts.SyntaxKind[decl.parent] + " is not implemented"); 33 } 34} 35 36