architectures compilers became complex darpa defense advanced research projects agency sponsored compiler project wulf 's cmu research team production quality compiler compiler pqcc design would produce production quality compiler pqc formal definitions source language target pqcc tried extend term compiler compiler beyond traditional meaning parser generator eg yacc without much success pqcc might properly referred compiler generator pqcc research code generation process sought build truly automatic compiler writing system effort discovered designed phase structure pqc
Formal science Computer science Programming languages Compilers