Usage (make sure you have flex, bison, and g++ installed):

• bison parser.ypp
• flex -o scanner.c scanner.lex
• g++ main.cpp parser.tab.cpp nodes/*.cpp $(llvm-config-12 --ldflags --libs) $(llvm-config-12 --cxxflags) -o ectfrontend.out
• ./ectfrontend.out < source.ect
• clang++ test.ll
• ./a.out