lox-cpp

make
./loxc

by default it builds a debug version, use make BUILD=release to disable that

generating compile_commands.json

this is needed to make clang-based tools (like clangd) work properly.

brew install bear
make clean
bear -- make test

note that building the test target also builds the main programme (so this ensures that compile_commands.json will contain entries for both the main programme and the tests).

tests

brew install pkg-config catch2
make test

differences

I allow

{
  var a = 1;
  {
    var a = a;
  }
}

The initialiser on the right hand side refers to the outer a, not itself. Original Lox errors in this case.