diff options
Diffstat (limited to 'Grammar/python.gram')
| -rw-r--r-- | Grammar/python.gram | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Grammar/python.gram b/Grammar/python.gram index 797c195..6966493 100644 --- a/Grammar/python.gram +++ b/Grammar/python.gram @@ -778,6 +778,7 @@ bitwise_and[expr_ty]: shift_expr[expr_ty]: | a=shift_expr '<<' b=sum { _PyAST_BinOp(a, LShift, b, EXTRA) } | a=shift_expr '>>' b=sum { _PyAST_BinOp(a, RShift, b, EXTRA) } + | invalid_arithmetic | sum # Arithmetic operators @@ -794,6 +795,7 @@ term[expr_ty]: | a=term '//' b=factor { _PyAST_BinOp(a, FloorDiv, b, EXTRA) } | a=term '%' b=factor { _PyAST_BinOp(a, Mod, b, EXTRA) } | a=term '@' b=factor { CHECK_VERSION(expr_ty, 5, "The '@' operator is", _PyAST_BinOp(a, MatMult, b, EXTRA)) } + | invalid_factor | factor factor[expr_ty] (memo): @@ -1415,3 +1417,8 @@ invalid_replacement_field: invalid_conversion_character: | '!' &(':' | '}') { RAISE_SYNTAX_ERROR_ON_NEXT_TOKEN("f-string: missing conversion character") } | '!' !NAME { RAISE_SYNTAX_ERROR_ON_NEXT_TOKEN("f-string: invalid conversion character") } + +invalid_arithmetic: + | sum ('+'|'-'|'*'|'/'|'%'|'//'|'@') a='not' b=inversion { RAISE_SYNTAX_ERROR_KNOWN_RANGE(a, b, "'not' after an operator must be parenthesized") } +invalid_factor: + | ('+' | '-' | '~') a='not' b=factor { RAISE_SYNTAX_ERROR_KNOWN_RANGE(a, b, "'not' after an operator must be parenthesized") } |