# Generate Parser with Antlr4
## Install Antlr4
Please follow [install antlr4](https://github.com/antlr/antlr4/blob/master/doc/go-target.md) to install the antlr tool.
The version of antlr tool: `4.9`.
## Code Generate
After you install the antlr4, you can generate the parser code in golang with:
```shell
go generate
```
All generated code will be under directory `generated`.