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John Aycock correctly pointed out that the grammar for

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"power" was formally ambiguous.  Here's his fix.
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Tim Peters 2002-05-23 20:05:40 +00:00
parent c32f0336e0
commit 84ee323cb9
3 changed files with 4 additions and 4 deletions
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Grammar/Grammar
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@ -79,7 +79,7 @@ shift_expr: arith_expr (('<<'|'>>') arith_expr)*
arith_expr: term (('+'|'-') term)*
term: factor (('*'|'/'|'%'|'//') factor)*
factor: ('+'|'-'|'~') factor | power
power: atom trailer* ('**' factor)*
power: atom trailer* ['**' factor]
atom: '(' [testlist] ')' | '[' [listmaker] ']' | '{' [dictmaker] '}' | '`' testlist '`' | NAME | NUMBER | STRING+
listmaker: test ( list_for | (',' test)* [','] )
lambdef: 'lambda' [varargslist] ':' test