March 2001
Intermediate to advanced
400 pages
8h 35m
English
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6.6. Summary
A grammar establishes the pattern of strings that make up a language. You can think of a grammar running forward, generating strings, or running backward, recognizing strings. Equivalent grammars may recognize the same strings in different orders.
This means that you can use a grammar to specify the order in which to recognize operators, and that in turn lets you control precedence and associativity.
Once you have a grammar that recognizes the strings of your language in the right order, you must consider potential infinite loops when you implement the grammar with a parser. You can remove left recursion in the grammar by transforming it to an equivalent grammar that recognizes the same strings in the same order, but without using ...
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