| #!/bin/bash -eu |
| # |
| # Copyright 2018 Google LLC |
| # |
| # Licensed 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. |
| |
| # To regenerate the CEL lexer/parser statically do the following: |
| # 1. Download the latest anltr tool from https://www.antlr.org/download.html |
| # 2. Copy the downloaded jar to the gen directory. It will have a name |
| # like antlr-<version>-complete.jar. |
| # 3. Modify the script below to refer to the current ANTLR version. |
| # 4. Execute the generation script from the gen directory. |
| # 5. Delete the jar and commit the regenerated sources. |
| |
| #!/bin/sh |
| |
| DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )" |
| |
| # Generate AntLR artifacts. |
| java -Xmx500M -cp ${DIR}/antlr-4.13.1-complete.jar org.antlr.v4.Tool \ |
| -Dlanguage=Go \ |
| -package gen \ |
| -o ${DIR} \ |
| -visitor ${DIR}/CEL.g4 |
| |
