DSL Basics - Midterm Flashcards by Leyna Michela | Brainscape

Q

Single Symbol Lookahead

A

first token in grammar unambiguously tells you which node you’re at

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Q

5 steps to Tokenizing

A

Read input as a single string
kill all the newlines
Replace all reserved words with RESERVEDWORDRESERVEDWORD
Replace all RESERVEDWORDRESERVEDWORD with just RESERVEDWORD
Split on RESERVEDWORD

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