What do you mean by the term parse tree

Question

What do you mean by the term parse tree? Describe in brief.

Answer 1

Parse trees are the output of the syntax analysis stage of compiler. Parse tree is a graphical representation for derivation which filters out the option regarding replacement order. The valid token are obtained and checked to produce the corresponding syntactic constructs against the grammar, or else syntactical errors are produced. Therefore, parse tree is the representation of the valid tokens in a specific order, generated by syntax analyzer.