Compiler Design

Lexemes are said to be a sequence of characters (alphanumeric) in a token. There are some predefined rules for every lexeme to be identified as a valid token. These rules…

The lexical analyzer scans the input from left to right one character at a time. It uses two pointers begin ptr(bp) and forward to keep track of the pointer of…

Lexical analyzer performs below given tasks: Helps to identify token into the symbol table Removes white spaces and comments from the source program Correlates error messages with the source program…

A compiler can broadly be divided into two phases based on the way they compile. Analysis Phase Known as the front-end of the compiler, the analysis phase of the compiler reads the…

Lexical analysis is the first phase of a compiler. It takes the modified source code from language preprocessors that are written in the form of sentences. The lexical analyzer breaks…

The compilation process is a sequence of various phases. Each phase takes input from its previous stage, has its own representation of source program, and feeds its output to the…