(&mut self)
| 270 | } |
| 271 | |
| 272 | fn parse_one_matcher(&mut self) -> Result<LabelMatcher, PromqlError> { |
| 273 | let Token::Ident(name) = self.advance().clone() else { |
| 274 | return Err(PromqlError::LabelMatcher { |
| 275 | detail: "expected label name".to_string(), |
| 276 | }); |
| 277 | }; |
| 278 | let op = match self.advance() { |
| 279 | Token::Assign => LabelMatchOp::Equal, |
| 280 | Token::Neq => LabelMatchOp::NotEqual, |
| 281 | Token::MatchRegex => LabelMatchOp::RegexMatch, |
| 282 | Token::NotMatchRegex => LabelMatchOp::RegexNotMatch, |
| 283 | t => { |
| 284 | return Err(PromqlError::LabelMatcher { |
| 285 | detail: format!("expected match operator, got {t:?}"), |
| 286 | }); |
| 287 | } |
| 288 | }; |
| 289 | let Token::String(value) = self.advance().clone() else { |
| 290 | return Err(PromqlError::LabelMatcher { |
| 291 | detail: "expected string value in label matcher".to_string(), |
| 292 | }); |
| 293 | }; |
| 294 | Ok(LabelMatcher::new(name, op, value)) |
| 295 | } |
| 296 | |
| 297 | fn parse_duration(&mut self) -> Result<Duration, PromqlError> { |
| 298 | match self.advance().clone() { |
no test coverage detected