Chapter 6.4, Problem 4QE

Explanation of Solution

The parse tree for the expression $\text{x}\times \text{y}+\text{x}+\text{z}$ is:

The parsing process is based on a set of rules that define in the syntax of the programming language. The all set of rules that define in the syntax of the programming language are called as the grammar. There are a number of ways to express these rules among them a syntax diagrams is method to define the set of rules that define in the syntax of programming language. The syntax diagrams are the pictorial representations of language’s grammatical structure.

The manner in which a particular string conforms to a set of syntax diagrams can be represented in a pictorial form by a parse tree