Lexical analysis is the first phase of a compiler. It takes modified source code from language preprocessors that are written in the form of sentences. The lexical analyzer breaks these syntaxes into a series of tokens, by removing any whitespace or comments in the source code....
Since fi is a valid lexeme for the token id, the lexical analyzer must return the token id to the parser and let some other phase of the compiler handle an error.However, suppose a situation arises in which the lexical analyzer is unable to proceed because none of the patterns for tokens...
A translation graph is created using a plurality of reference sources that include translations between a plurality of different languages. Each entry in a source is used to create