Question: 3. (10 pts) a. Modify the grammar in Problem 2 so that the language requires a var to begin with a lower-case letter followed by

3. (10 pts) a. Modify the grammar in Problem 2 so that the language requires a var to begin with a lower-case letter followed by zero or more lower-case letters or digits. Use BNF, not EBNF. Exactly what grammar rule(s) need to be added? Example: The following should be variables (var): X y books albel sum2 b. Modify the grammar in Problem 2 so that the language requires a var to begin with a letter, followed by zero or more letters or digits. Use EBNF. Exactly what grammar rule(s) need to be added? 3. (10 pts) a. Modify the grammar in Problem 2 so that the language requires a var to begin with a lower-case letter followed by zero or more lower-case letters or digits. Use BNF, not EBNF. Exactly what grammar rule(s) need to be added? Example: The following should be variables (var): X y books albel sum2 b. Modify the grammar in Problem 2 so that the language requires a var to begin with a letter, followed by zero or more letters or digits. Use EBNF. Exactly what grammar rule(s) need to be added

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!

3. (10 pts) a Modify the grammar in Problem 2 so that the language requires a var to begin with a lower-case letter, followed by zero or more lower-case letters or digits. Use BNF, not EBNF. Exactly...

Briefly describe ASCII and Unicode and draw attention to any relationship between them. [3 marks] (b) Briefly explain what a Reader is in the context of reading characters from data. [3 marks] A...

Assignment 6.2 [15 points] Do Chapter 5 Exercises (not Programming Problems!) 2 - 5, 6a, 6b, 6c, 9a, 10 - 12, 13a, 13b You can submit your solutions to these problems as a Word doc, or, if you prefer...

Providing Quality School-Based Learning and Support Services 239 Chapter 6 Language and literacy support Your core task The core task of almost all TAs is to support students language and literacy...

Part 1 - Regular Expressions (8 points) Our textbook discusses regular expressions in Chapter 2. However, the discussion is brief, and it does not give you much information about them. Here is an...

PLG-120 Week 4 Lecture Notes To begin your analysis of the legal issue you have been asked to address, you must identify the governing rule of law. Articulating the legal rule is, of course, the...

i want complete solution for my assignment and it should be without plagiarism COIT20274: Information Systems for Business Professionals, Term One 2016 Assignments 1 & 2 Requirements Assignment 1 -...

Assignment Overview The Caesar cipher is named after Julius Caesar who used this type of encryption to keep his military communications secret. A Caesar cipher replaces each plain-text letter with...

For each of the following situations, write the null and alternative hypotheses in terms of parameter values. Example: We want to know if the proportion of up days in the stock market is 50%. Answer:...

In the audit of a client with a fiscal year ending December 31, the CPAs obtain a January 10 bank statement directly from the bank. Explain how this cutoff bank statement will be used: a. In the...

etitia borrowed $ 6 . 0 0 0 from her bank two years ago. The loan term is four years. Each year, she must repay the bank $ 1 5 0 0 plas the annual interest. Which type of loan does she have? Muluple...

Cardinal Industries had the following operating results for 2018: Sales $34,621; Cost of goods sold $24,359; Depreciation expense = $6,027; Interest expense $2,725; Dividends paid $2,023. At the...

You have just received a letter from a customer who purchased new rims for his car from your tire store several months ago. He paid for the rims when he ordered them because they were a special...

Teamwork. Technology.Work with one other student to search the Internet for information on how e-mail, instant messaging, and blogs have affected writing skills, including tone or voice, spelling,...

Revise and edit the following message so that it communicates more clearly and concisely to an American receiver with an average reading level (Objectives 2 and 3): I recently was petitioned to...