COMPILER DESIGN

Regular expressions are mathematical symbolism which describe the set of strings of specific language. It provides convenient and usefu...

Error-recovery actions are: 1)       Delete one character from the remaining input. 2)       Insert a missing character in to the r...

Lexical error include misspellings of identifiers, keywords, or operators  Example:- the use of an identifier ellipse size instead of...

Token:   Token is a sequence of characters that can be treated as a single logical entity. Typical tokens are,                           ...

There are several reasons for separating the analysis phase of compiling in to lexical and parsing.   1. Simpler design                  ...

                 The main task is to read the input characters and produce as output sequence of tokens that the parser uses for syntax ...