| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| grammar AntlrExample; |
| |
| tokens { |
| GET='get'; |
| PUT='put'; |
| } |
| |
| file |
| : row+ EOF |
| ; |
| |
| row |
| : IDENTIFIER '=' value? |
| ; |
| |
| value |
| : BOOL |
| | STRING |
| ; |
| |
| WS |
| : [ \t]+ |
| ; |
| |
| NL |
| : NewLine |
| ; |
| |
| IDENTIFIER |
| : Letter LetterDigit* |
| ; |
| |
| BOOL |
| : 'true' |
| | 'false' |
| ; |
| |
| COMMENT |
| : '/*' ( options {greedy=false;} : . )* '*/' |
| ; |
| |
| LINE_COMMENT |
| : ('#' | '//') ~[\r\n]*? -> skip |
| ; |
| |
| fragment Letter |
| : [a-zA-Z\-_] |
| ; |
| |
| fragment NewLine |
| : '\r'? '\n' |
| ; |
| |