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Questions about ambiguity in context-free grammars.

15 votes
2 answers
4k views

How do C compilers distinguish casting from grouping?

In the C language, there's the 2 similar-in-form but distict-in-meaning constructs: (type)value which is a casting, and (value), which is a grouping. How do a $LR(1)$ parser deal with this? I can thin …
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