Discussion
Arrange these parser classes in order of increasing grammar coverage.
1. LALR(1)
2. LL(1)
3. canonical LR(1)
4. SLR(1)
Answer: B
Each class handles every grammar the previous one does and more. The practical sweet spot is LALR(1), which covers nearly every language grammar at a table size close to SLR. Moving up the scale costs table space and gains coverage that is rarely needed.
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