PVS-Studio

https://cppconf.ru/talks/3a650597887e424890d715b87d2354c1/?utm_source=habr&utm_medium=729958

https://github.com/agentcooper/cpp-ast-example

https://www.youtube.com/watch?v=gTnd_l75938

https://github.com/ethereum/solidity/tree/develop/libsolidity/parsing

https://github.com/ConsenSysMesh/solidity-parser

https://github.com/ConsenSys/python-solidity-parser

https://github.com/federicobond/solidity-parser-antlr

https://github.com/ConsenSys/solc-typed-ast

https://github.com/iamdefinitelyahuman/py-solc-ast

https://github.com/ethereum/solidity/tree/develop/docs/grammar