diff options
Diffstat (limited to 'Grammar/python.gram')
| -rw-r--r-- | Grammar/python.gram | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Grammar/python.gram b/Grammar/python.gram index 8e399f1..e5baac3 100644 --- a/Grammar/python.gram +++ b/Grammar/python.gram @@ -7,6 +7,7 @@ _PyPegen_parse(Parser *p) // Initialize keywords p->keywords = reserved_keywords; p->n_keyword_lists = n_keyword_lists; + p->soft_keywords = soft_keywords; // Run parser void *result = NULL; @@ -459,6 +460,7 @@ expressions[expr_ty]: | a=expression ',' { _PyAST_Tuple(CHECK(asdl_expr_seq*, _PyPegen_singleton_seq(p, a)), Load, EXTRA) } | expression expression[expr_ty] (memo): + | invalid_expression | a=disjunction 'if' b=disjunction 'else' c=expression { _PyAST_IfExp(b, a, c, EXTRA) } | disjunction | lambdef @@ -778,6 +780,13 @@ invalid_kwarg: | expression a='=' { RAISE_SYNTAX_ERROR_KNOWN_LOCATION( a, "expression cannot contain assignment, perhaps you meant \"==\"?") } + +invalid_expression: + # !(NAME STRING) is not matched so we don't show this error with some invalid string prefixes like: kf"dsfsdf" + # Soft keywords need to also be ignored because they can be parsed as NAME NAME + | !(NAME STRING | SOFT_KEYWORD) a=disjunction expression { + RAISE_ERROR_KNOWN_LOCATION(p, PyExc_SyntaxError, a->lineno, a->end_col_offset - 1, "invalid syntax. Perhaps you forgot a comma?") } + invalid_named_expression: | a=expression ':=' expression { RAISE_SYNTAX_ERROR_KNOWN_LOCATION( |