ABI file not generated

Question

I have compiled a smart contract using eosio-cpp -o addbook.wasm addbook.cpp --abigen command. Compilation was successfull and wasm file got generated. But I cant find abi.

eosio-cpp version is,

eosio-cpp -v 

clang version 7.0.0 (https://github.com/eosio/clang.git 6b886302a11a8419b76e469794ff9d0c531a4b4b) (https://github.com/eosio/llvm 9a9ff09d4302331d3289fdf58a64213506b4aefb)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /usr/opt/eosio.cdt/1.6.0/bin
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.9
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.9.4
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/5
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/5.4.0
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/6
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/6.0.0
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/8
Selected GCC installation: /usr/lib/gcc/x86_64-linux-gnu/5.4.0
Candidate multilib: .;@m64
Selected multilib: .;@m64

Is there anything I am missing here?

Answer 1

I wasn't getting an abi file, but it was compiling fine. I finally noticed that I had the file named: widgets.cpp but the class was widget. Watch out for missing "S"s. Ran again and the abi file appeared.