Parses a list of with items. See:
(&mut self)
| 2227 | /// |
| 2228 | /// See: <https://docs.python.org/3/reference/compound_stmts.html#the-with-statement> |
| 2229 | fn parse_with_items(&mut self) -> Vec<WithItem> { |
| 2230 | if !self.at_expr() { |
| 2231 | self.add_error( |
| 2232 | ParseErrorType::OtherError( |
| 2233 | "Expected the start of an expression after `with` keyword".to_string(), |
| 2234 | ), |
| 2235 | self.current_token_range(), |
| 2236 | ); |
| 2237 | return vec![]; |
| 2238 | } |
| 2239 | |
| 2240 | let open_paren_range = self.current_token_range(); |
| 2241 | |
| 2242 | if self.at(TokenKind::Lpar) { |
| 2243 | if let (Some(items), has_trailing_comma) = self.try_parse_parenthesized_with_items() { |
| 2244 | // test_ok tuple_context_manager_py38 |
| 2245 | // # parse_options: {"target-version": "3.8"} |
| 2246 | // with ( |
| 2247 | // foo, |
| 2248 | // bar, |
| 2249 | // baz, |
| 2250 | // ) as tup: ... |
| 2251 | |
| 2252 | // test_ok single_parenthesized_item_context_manager_py38 |
| 2253 | // # parse_options: {"target-version": "3.8"} |
| 2254 | // with ( |
| 2255 | // open('foo.txt')) as foo: ... |
| 2256 | // with ( |
| 2257 | // open('foo.txt')): ... |
| 2258 | |
| 2259 | // test_err tuple_context_manager_py38 |
| 2260 | // # parse_options: {"target-version": "3.8"} |
| 2261 | // # these cases are _syntactically_ valid before Python 3.9 because the `with` item |
| 2262 | // # is parsed as a tuple, but this will always cause a runtime error, so we flag it |
| 2263 | // # anyway |
| 2264 | // with (foo, bar): ... |
| 2265 | // with ( |
| 2266 | // foo, |
| 2267 | // bar, |
| 2268 | // baz, |
| 2269 | // ): ... |
| 2270 | // with (foo,): ... |
| 2271 | |
| 2272 | // test_ok parenthesized_context_manager_py39 |
| 2273 | // # parse_options: {"target-version": "3.9"} |
| 2274 | // with (foo as x, bar as y): ... |
| 2275 | // with (foo, bar as y): ... |
| 2276 | // with (foo as x, bar): ... |
| 2277 | |
| 2278 | // test_err parenthesized_context_manager_py38 |
| 2279 | // # parse_options: {"target-version": "3.8"} |
| 2280 | // with (foo as x, bar as y): ... |
| 2281 | // with (foo, bar as y): ... |
| 2282 | // with (foo as x, bar): ... |
| 2283 | if items.len() > 1 || has_trailing_comma { |
| 2284 | self.add_unsupported_syntax_error( |
| 2285 | UnsupportedSyntaxErrorKind::ParenthesizedContextManager, |
| 2286 | open_paren_range, |
no test coverage detected