pycparser is unique in the sense that it's written in pure Python - a very high level language that's easy to experiment with and tweak. To people familiar with Lex and Yacc, pycparser 's code will be ...

# 1 "/usr/local/google/home/eliben/eli/pycparser/utils/fake_libc_include/stdarg.h" 1 # 1 "/usr/local/google/home/eliben/eli/pycparser/utils/fake_libc_include/_fake ...