Comments (9)
renggli
commented on August 10, 2024
Thank you for reporting. Does not seem to have to do with blocks, but assignments. Minimal example I could come up with is the following:
example
a := 1.
b := 2from dart-petitparser.
xmehaut
commented on August 10, 2024
Thank for your answer ; it fails also for me.
Weird :-(
I've tried several changes in the grammar, but not yet found the error.
Le lun. 25 mai 2020 à 13:31, Lukas Renggli <[email protected]> a
écrit :
… Thank you for reporting. Does not seem to have to do with blocks, but
assignments. Minimal example I could come up with is the following:
example
super example.
x := y negate
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renggli
commented on August 10, 2024
I've exported this grammar from Pharo Smalltalk and migrated the unit tests, but other than that it has not seen any use. In Pharo the same grammar was used to successfully parse and recompile the complete image; but maybe something got lost when exporting. Unfortunately I can't run my old images anymore, will have a look later tonight if I can spot an obvious problem.
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xmehaut
commented on August 10, 2024
Thanks a lot ; I've personally the Cincom image and the parser is quite
different.
Le lun. 25 mai 2020 à 13:58, Lukas Renggli <[email protected]> a
écrit :
… I've exported this grammar from Pharo Smalltalk and migrated the unit
tests, but other than that it has not seen any use. In Pharo the same
grammar was used to successfully parse and recompile the complete image;
but maybe something got lost when exporting. Unfortunately I can't run my
old images anymore, will have a look later tonight if I can spot an obvious
problem.
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xmehaut
commented on August 10, 2024
Thanks renggli ; it was indeed subtile (i don't understand the impact :-() ..
moreover, when i look at the equivalent parser in https://github.com/moosetechnology/PetitParser/blob/development/src/PetitSmalltalk/PPSmalltalkGrammar.class.st, I've seen some changes from the dart one...
best regards
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renggli
commented on August 10, 2024
The Dart code was auto-exported from Smalltalk over 7 years ago with this commit: 3a424af (the bug was already present there, so there is an issue with the exporter). I have not touched the grammar since, other than to make it work with the latest version of PetitParser in Dart (migrate to using the grammar definition builder). Also I have not touched the original Smalltalk code in over 10 years, so I don't know if any changes were made on the Smalltalk side?
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xmehaut
commented on August 10, 2024
Nevertheless thanks for the correction. How did you find the bug?
Envoyé de mon iPhone
… Le 25 mai 2020 à 17:06, Lukas Renggli ***@***.***> a écrit :
The Dart code was auto-exported from Smalltalk over 7 years ago with this commit: 3a424af. I have not touched the grammar since, other than to make it work with the latest version of PetitParser in Dart (migrate to using the grammar definition builder). Also I have not touched the original Smalltalk code in over 10 years, so I don't know if any changes were made on the Smalltalk side?
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renggli
commented on August 10, 2024
I looked at the parse trace of the two inputs. There I saw that the statement separating dot was consumed as a binary selector token.
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xmehaut
commented on August 10, 2024
Ah thx! Nice to have a trace ; it will be easier :)
Envoyé de mon iPhone
… Le 25 mai 2020 à 18:27, Lukas Renggli ***@***.***> a écrit :
I looked at the parse trace of the two inputs. There I saw that the statement separating dot was consumed as a binary selector token.
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