Handling Errors

Suppose that the input text has errors. When the lexer reads the input it will not find a regular expression that matches. By default, the lexer will then simply output the text. We can write our JFlex specification so that the lexer is more robust.

Suppose that the input text has errors. When the lexer reads the input it will not find a regular expression that matches. By default, the lexer will then simply output the text. We can write our JFlex specification so that the lexer is more robust.