I'm doing compiler course in my current semester (Fall' 10). The programs I'm doing for the lab classes were not fully optimized and in fact not very efficient too. For example, I've created a Lexical Analyzer in C++, where no error detection...
In the formal language theory of computer science, left recursion is a special case of recursion where a string is recognized as part of a language by the fact that it decomposes into a string from that same language (on the left) and a suffix (on the right). For instance, 1+2+3 can be recognized as a sum because it can be broken into 1+2, also a sum, and +3, a suitable suffix