Practice - Example Walkthrough: Parsing a + b with Shift-Reduce
Practice Questions
Test your understanding with targeted questions
Define 'Shift' in the context of parsing.
💡 Hint: Think about what happens when a parser reads a new token.
What is a 'Reduce' action?
💡 Hint: Consider when symbols on the stack can be simplified.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What action does 'Shift' perform in parsing?
💡 Hint: Consider what happens with each incoming token.
True or False: A Reduce action can occur without having a matched production rule.
💡 Hint: Think about the conditions that allow simplify actions.
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Challenge Problems
Push your limits with advanced challenges
Using a custom grammar for simple arithmetic (E -> E + E | E * E | ID), show the complete parsing process step-by-step for the expression 'x * y + z'.
💡 Hint: Consider breaking down the sequence of shifts and reductions.
Discuss how you would resolve a shift/reduce conflict in your grammar and redesign the grammar.
💡 Hint: Think about the logical order of operations in standard math.
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