PRECC eXtended is an infinite-lookahead higher-order compiler-compiler for languages with context-dependent grammars. The generated code is ANSI C and ANSI C++; the code will compile and run natively under either C or C++. Specification scripts are extended BNF, with both inherited and synthetic attributes allowed. Scripts can be compiled in separate modules and linked later. The technology is essentially LL(oo).
