Questions and Answers
What are the abstractions in a BNF description called?
Nonterminal symbols
In the context of formal syntax description, what does RHS stand for?
Right-hand side
What is recursion used for in the context of programming languages?
To describe list of syntactic elements
What is a rule considered if its LHS appears in its RHS?
Signup and view all the answers
What is the sequence of rule applications called in the generation of sentences in a language?
Signup and view all the answers
What is each string in the derivation process called?
Signup and view all the answers
What is the primary purpose of a language recognizer?
Signup and view all the answers
In the context provided, what are lexemes?
Signup and view all the answers
What is the main function of a language generator?
Signup and view all the answers
Which formal method is used to describe the syntax of programming languages?
Signup and view all the answers
What is the role of a metalanguage in the context of describing syntax?
Signup and view all the answers
Which type of grammar class describes the forms of tokens in programming languages?
Signup and view all the answers
What is the purpose of a parse tree in formal methods of describing syntax?
Signup and view all the answers
In the context of language recognition, what is the significance of left recursion in a grammar rule?
Signup and view all the answers
How does right recursion help in indicating right associativity in formal syntax description?
Signup and view all the answers
What is an advantage of Extended Backus-Naur Form (EBNF) over traditional BNF?
Signup and view all the answers
Why is specifying associativity important in defining operator behaviors in formal methods of describing syntax?
Signup and view all the answers
What happens when an expression contains operators of equal precedence in formal syntax description?
Signup and view all the answers