(&mut self)
| 331 | } |
| 332 | |
| 333 | fn parse_if_statement(&mut self) -> Result<Statement, ParsingError> { |
| 334 | let node = self.start_node(); |
| 335 | self.expect(Kind::If)?; |
| 336 | let test = self.parse_named_expression()?; |
| 337 | self.expect(Kind::Colon)?; |
| 338 | let body = self.parse_suite()?; |
| 339 | let mut orelse: Option<If> = None; |
| 340 | while self.at(Kind::Elif) { |
| 341 | let elif_node = self.start_node(); |
| 342 | self.bump(Kind::Elif); |
| 343 | let elif_test = self.parse_named_expression()?; |
| 344 | self.expect(Kind::Colon)?; |
| 345 | let body = self.parse_suite()?; |
| 346 | let if_value = If { |
| 347 | node: self.finish_node(elif_node), |
| 348 | test: elif_test, |
| 349 | body, |
| 350 | orelse: vec![], |
| 351 | }; |
| 352 | if let Some(val) = &mut orelse { |
| 353 | val.update_orelse(vec![Statement::IfStatement(Box::new(if_value))]); |
| 354 | } else { |
| 355 | orelse = Some(if_value); |
| 356 | } |
| 357 | } |
| 358 | |
| 359 | let mut single_else_body: Option<Vec<Statement>> = None; |
| 360 | if self.eat(Kind::Else) { |
| 361 | self.expect(Kind::Colon)?; |
| 362 | let else_body = self.parse_suite()?; |
| 363 | if let Some(val) = &mut orelse { |
| 364 | val.update_orelse(else_body); |
| 365 | } else { |
| 366 | single_else_body = Some(else_body); |
| 367 | } |
| 368 | }; |
| 369 | |
| 370 | // if we had any else or elif statements, we need to wrap them in a vec |
| 371 | // otherwise we just return an empty vec as the else block of the if statement |
| 372 | let or_else_vec = if let Some(val) = orelse { |
| 373 | vec![Statement::IfStatement(Box::new(val))] |
| 374 | } else { |
| 375 | single_else_body.unwrap_or_default() |
| 376 | }; |
| 377 | |
| 378 | Ok(Statement::IfStatement(Box::new(If { |
| 379 | node: self.finish_node_chomped(node), |
| 380 | test, |
| 381 | body, |
| 382 | orelse: or_else_vec, |
| 383 | }))) |
| 384 | } |
| 385 | |
| 386 | fn parse_while_statement(&mut self) -> Result<Statement, ParsingError> { |
| 387 | let node = self.start_node(); |
no test coverage detected