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SmaCCRefactoring / SmaCC

Smalltalk Compiler Compiler : a parser generator
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SmaCC should warn that a token can be empty #34

Open ThierryGoubier opened 7 years ago

ThierryGoubier commented 7 years ago

If the regular expression allow the empty string, an empty token will never be generated.

<name> : [a-zA-Z]* ;

Will never result in an empty \<name>

ThierryGoubier commented 6 years ago

In fact, it may result in an empty <name> to be generated, just before the E O F Token