Practice Introduction To Shift-reduce Parsing (5.1) - Syntax Analysis (Parsing)
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Introduction to Shift-Reduce Parsing

Practice - Introduction to Shift-Reduce Parsing

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What action does the parser perform when it takes the next input token?

💡 Hint: Think about how the parser builds a representation of the program.

Question 2 Easy

What signifies that the entire input has been successfully parsed?

💡 Hint: What should be left on the stack at the end of parsing?

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does the 'Shift' action do in Shift-Reduce Parsing?

It reduces tokens on the stack
It moves a token from the input to the stack
It accepts the input

💡 Hint: Think about how the parser handles the input tokens.

Question 2

True or False: A viable prefix can be any prefix of a rightmost sentential form.

True
False

💡 Hint: Consider what constitutes a prefix in parsing terms.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Create a parsing table for the grammar S -> A A and A -> a | b. Illustrate the actions taken for the input string 'a a'.

💡 Hint: Review how each symbol is processed according to production rules.

Challenge 2 Hard

Given the input 'x + y', explain the step-by-step parsing actions using a hypothetical grammar 'E -> E + E | ID'.

💡 Hint: Consider how you would construct the stack at each stage.

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Reference links

Supplementary resources to enhance your learning experience.