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Smacc how to test scanner

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Stephane Ducasse-3

Smacc how to test scanner

When writing grammar I would like to test the scanner.

And I would like to this without having to define a special rule (in addition to the one of the language). Is it possible to get access to the scanner and ask it to scan the stream?

Stef

Thierry Goubier

Re: Smacc how to test scanner

Hi Stef,

I think it is possible. After compiling your parser and scanner classes, take your scanner class and create it on a stream

stefScanner := StefScanner on: (ReadStream on: 'My test string for my parser').

Then each token will be retrieved with SmaCCScanner>>#next

stefScanner next

Regards,

Thierry

2017-04-04 15:01 GMT+02:00 Stephane Ducasse <[hidden email]>:

Hi

When writing grammar I would like to test the scanner.
And I would like to this without having to define a special rule (in addition to the one of the language). Is it possible to get access to the scanner and ask it to scan the stream?

Stef