It sure looks like Python, doesn't it? Well, that's because it (also) is!
It's MIT licensed, so feel free to use and abuse it!
Testing (Linux):
B4X:
# Install Valgrind (Ubuntu: sudo apt install valgrind)
# Compile with either g++ or clang++
# USAGE: ./test.sh COMPILER C++STANDARD
# Examples:
./test.sh g++ 98 # Compile (and run) with GCC using the C++98 standard
./test.sh clang++ 14 # Compile (and run) with Clang using the C++14 standard