Question: Consider the following BNF grammar: EXP ::= EXP + TERM | EXP - TERM | TERM TERM ::= TERM * FACTOR | TERM / FACTOR

Consider the following BNF grammar:

EXP ::= EXP + TERM | EXP - TERM | TERM

TERM ::= TERM * FACTOR | TERM / FACTOR | FACTOR

FACTOR ::= ( EXP ) | DIGIT

DIGIT ::= 0 | 1 | 2 | 3

Write a recursive descent recognizer pseudocode with: - Ask the user for an input stream. - Report "legal" or "errors found", not both. - Assume the input stream is the token stream. - Assume the input stream terminates with a $. - Assume there is no white space. - Use a form to collect input and return the output. - Test your recognizer with illegal and legal strings. - Give a brief description of this recognizer for the user on how to use and what method that it based on.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

Consider the following BNF grammar that we saw in class: EXP = EXP + TERM EXP - TERM TERM TERM ::=TERM * FACTOR TERM/FACTOR FACTOR FACTOR ::= (EXP DIGIT DIGIT ::=0|123 (a) Translate into EBNF. (6)...

need help on number (e) this is the answer for (c) 1.the grammar should not be an non deterministic 2.the grammar should not have the left recursion Consider the following BNF grammar that we saw in...

(e) Prove that the grammar satisfy the two requirements defined in (c). Please help with 2(e). The two requirements defined in (c): 1.First condition that predictive parsing requires: First sets of...

(2) Consider the following BNF grammar that we saw in class: EXP := EXP + TERM I EXP-TERM I TERM TERM-TERM *FACTOR TERM / FACTOR I FACTOR FACTOR : (EXP) DIGIT DIGIT ::-01 1 | 2 | 3 (c) What are the...

Do lexical analysis and then draw a syntax tree according to the above grammar for each of the following expressions: Consider the following LL(1) grammar ()expr term term tail (2)term tail add op...

Consider the following grammar: Goal Expr; Expr Term + Expr | Term - Expr | Term; Term Factor * Term Factor / Term | Factor; Factor num Lid a. Apply left factoring to create a LL(1) grammar b....

Two bonds are available for purchase in the financial markets. The first bond is a 2-year, $1,000 bond that pays an annual coupon of 10 percent. The second bond is a 2-year, $1,000, zero-coupon bond....

Economists Ross Eckert and Richard Leftwich have noted that in the early 1950s, over 60 percent of MBA graduates from leading business schools took their first jobs in manufacturing and 10 percent in...

The \ ( \ ) is worth 1 . 2 5 6 9 euros and the euro is worth \ ( \ $ 1 . 5 5 6 8 \ ) . Statistical analysis indicates that when the euro rises 1 percent against the dollar, the pound rises 0 . 5...

Compared with half a century ago, adoption has become _ _ _ _ _ _ _ _ _ common, but it is more open and acceptabl e , so we probably discuss it _ _ _ _ _ _ _ . fill in the blanks more or much less or...

Question Does the option to roll over unused balances to an HSA change the use-it-or-lose-it rule applicable to health FSAs?

Question Can group-term insurance be provided for self-employed persons or S corporation shareholders?

Question How small a group can be covered under group-term insurance and are there any special rules for small groups?