I wrote a C compiler* using flex [1] and bison [2] that generated MIPS code. The biggest downside was the rather complex glue code. At some point ANTLR [3] loo

I wrote a C compiler* using flex [1] and bison [2] that generated MIPS code. The biggest downside was the rather complex glue code. At some point ANTLR [3] looked promising, but these days I'd probably write a lexer and recursive descent parser by hand, then generate LLVM IR [4]. [1] https://github.com/westes/flex https://github.com/westes/flex [2] https://www.gnu.org/software/bison/ https://www.gnu.org/software/bison/ [3] https://www.antlr.org/ https://www.antlr.org/ [4] https://llvm.org/ https://llvm.org/ * for a subset of the full C89 spec