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bpo-44385: Remove unused grammar rules #26655

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Jun 10, 2021
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bpo-44385: Remove unused grammar rules #26655

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11 changes: 0 additions & 11 deletions Grammar/python.gram
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Original file line number Diff line number Diff line change
Expand Up @@ -811,11 +811,6 @@ del_t_atom[expr_ty]:
| '(' a=[del_targets] ')' { _PyAST_Tuple(a, Del, EXTRA) }
| '[' a=[del_targets] ']' { _PyAST_List(a, Del, EXTRA) }

targets[asdl_expr_seq*]: a[asdl_expr_seq*]=','.target+ [','] { a }
target[expr_ty] (memo):
| a=t_primary '.' b=NAME !t_lookahead { _PyAST_Attribute(a, b->v.Name.id, Store, EXTRA) }
| a=t_primary '[' b=slices ']' !t_lookahead { _PyAST_Subscript(a, b, Store, EXTRA) }
| t_atom
t_primary[expr_ty]:
| a=t_primary '.' b=NAME &t_lookahead { _PyAST_Attribute(a, b->v.Name.id, Load, EXTRA) }
| a=t_primary '[' b=slices ']' &t_lookahead { _PyAST_Subscript(a, b, Load, EXTRA) }
Expand All @@ -828,12 +823,6 @@ t_primary[expr_ty]:
EXTRA) }
| a=atom &t_lookahead { a }
t_lookahead: '(' | '[' | '.'
t_atom[expr_ty]:
| a=NAME { _PyPegen_set_expr_context(p, a, Store) }
| '(' a=target ')' { _PyPegen_set_expr_context(p, a, Store) }
| '(' b=[targets] ')' { _PyAST_Tuple(b, Store, EXTRA) }
| '[' b=[targets] ']' { _PyAST_List(b, Store, EXTRA) }


# From here on, there are rules for invalid syntax with specialised error messages
invalid_arguments:
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