New submission from Jiaxin Peng :
I tried to modify Grammar/python.gram, Grammar/Tokens, Parser/Python.asdl, to
add a new token to the grammar. And when using `build.bat --regen`, only
parser.c is newly generated. Other files, as mentioned in
https://devguide.python.org/grammar/ that should
Jiaxin Peng added the comment:
I did:
- modified Grammar/python.gram
- added new operator to compare_op_bitwise_or_pair
- added corresponding token to Grammer/Tokens
- build.bar --regen
- not having Include/Python-ast.h and Python/Python-ast.c
I agree that a regen.bat that using a system
Change by Jiaxin Peng :
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nosy: -anthonypjshaw, lys.nikolaou, pablogsal, paul.moore, pjx206,
steve.dower, tim.golden, vstinner, zach.ware
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Python tracker
<https://bugs.python.org/issue43
Jiaxin Peng added the comment:
`build.bat --regen` produces such error because it uses build tool from visual
studio to build regen.vcxproj, and you do not have v142 toolset. I'm using
vs2019 and have v142 toolset installed and regen.vcxproj workd, just cannot
actually regenerate
Jiaxin Peng added the comment:
The regen.vcxproj was modified but not test well. In the first version of
regen.vcxproj there were such build targets:
_RegenGrammar(BeforeTargets="Build") -> _RegenAST_H -> _RegenAST_C ->
_RegenOpcodes -> _RegenTokens -> _RegenKeyw
Jiaxin Peng added the comment:
Steve's PR zooba:bpo-43567 works as expected. Really clean implementation!
Thanks!
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resolution: -> works for me
___
Python tracker
<https://bugs.python.org
