Antlr C11 grammar is highly match with the C11 language specification, which is a very good news to us.
https://github.com/antlr/grammars-v4/blob/master/c/C.g4
![](https://peter.quantr.hk/wp-content/uploads/2019/07/C-compiler-pre-research-preparation-1-600x338.png)
![](https://peter.quantr.hk/wp-content/uploads/2019/07/C-compiler-pre-research-preparation-2-600x338.png)
![](https://peter.quantr.hk/wp-content/uploads/2019/07/C-compiler-pre-research-preparation-3-600x338.png)
Antlr C11 grammar is highly match with the C11 language specification, which is a very good news to us.
https://github.com/antlr/grammars-v4/blob/master/c/C.g4