diff options
Diffstat (limited to 'crates/syntax/src/algo.rs')
-rw-r--r-- | crates/syntax/src/algo.rs | 122 |
1 files changed, 1 insertions, 121 deletions
diff --git a/crates/syntax/src/algo.rs b/crates/syntax/src/algo.rs index ba263be0d..3f9b84ab9 100644 --- a/crates/syntax/src/algo.rs +++ b/crates/syntax/src/algo.rs | |||
@@ -1,10 +1,6 @@ | |||
1 | //! FIXME: write short doc here | 1 | //! FIXME: write short doc here |
2 | 2 | ||
3 | use std::{ | 3 | use std::{fmt, hash::BuildHasherDefault, ops::RangeInclusive}; |
4 | fmt, | ||
5 | hash::BuildHasherDefault, | ||
6 | ops::{self, RangeInclusive}, | ||
7 | }; | ||
8 | 4 | ||
9 | use indexmap::IndexMap; | 5 | use indexmap::IndexMap; |
10 | use itertools::Itertools; | 6 | use itertools::Itertools; |
@@ -358,107 +354,11 @@ impl fmt::Debug for SyntaxRewriter<'_> { | |||
358 | } | 354 | } |
359 | 355 | ||
360 | impl SyntaxRewriter<'_> { | 356 | impl SyntaxRewriter<'_> { |
361 | pub fn delete<T: Clone + Into<SyntaxElement>>(&mut self, what: &T) { | ||
362 | let what = what.clone().into(); | ||
363 | let replacement = Replacement::Delete; | ||
364 | self.replacements.insert(what, replacement); | ||
365 | } | ||
366 | pub fn insert_before<T: Clone + Into<SyntaxElement>, U: Clone + Into<SyntaxElement>>( | ||
367 | &mut self, | ||
368 | before: &T, | ||
369 | what: &U, | ||
370 | ) { | ||
371 | let before = before.clone().into(); | ||
372 | let pos = match before.prev_sibling_or_token() { | ||
373 | Some(sibling) => InsertPos::After(sibling), | ||
374 | None => match before.parent() { | ||
375 | Some(parent) => InsertPos::FirstChildOf(parent), | ||
376 | None => return, | ||
377 | }, | ||
378 | }; | ||
379 | self.insertions.entry(pos).or_insert_with(Vec::new).push(what.clone().into()); | ||
380 | } | ||
381 | pub fn insert_after<T: Clone + Into<SyntaxElement>, U: Clone + Into<SyntaxElement>>( | ||
382 | &mut self, | ||
383 | after: &T, | ||
384 | what: &U, | ||
385 | ) { | ||
386 | self.insertions | ||
387 | .entry(InsertPos::After(after.clone().into())) | ||
388 | .or_insert_with(Vec::new) | ||
389 | .push(what.clone().into()); | ||
390 | } | ||
391 | pub fn insert_as_first_child<T: Clone + Into<SyntaxNode>, U: Clone + Into<SyntaxElement>>( | ||
392 | &mut self, | ||
393 | parent: &T, | ||
394 | what: &U, | ||
395 | ) { | ||
396 | self.insertions | ||
397 | .entry(InsertPos::FirstChildOf(parent.clone().into())) | ||
398 | .or_insert_with(Vec::new) | ||
399 | .push(what.clone().into()); | ||
400 | } | ||
401 | pub fn insert_many_before< | ||
402 | T: Clone + Into<SyntaxElement>, | ||
403 | U: IntoIterator<Item = SyntaxElement>, | ||
404 | >( | ||
405 | &mut self, | ||
406 | before: &T, | ||
407 | what: U, | ||
408 | ) { | ||
409 | let before = before.clone().into(); | ||
410 | let pos = match before.prev_sibling_or_token() { | ||
411 | Some(sibling) => InsertPos::After(sibling), | ||
412 | None => match before.parent() { | ||
413 | Some(parent) => InsertPos::FirstChildOf(parent), | ||
414 | None => return, | ||
415 | }, | ||
416 | }; | ||
417 | self.insertions.entry(pos).or_insert_with(Vec::new).extend(what); | ||
418 | } | ||
419 | pub fn insert_many_after< | ||
420 | T: Clone + Into<SyntaxElement>, | ||
421 | U: IntoIterator<Item = SyntaxElement>, | ||
422 | >( | ||
423 | &mut self, | ||
424 | after: &T, | ||
425 | what: U, | ||
426 | ) { | ||
427 | self.insertions | ||
428 | .entry(InsertPos::After(after.clone().into())) | ||
429 | .or_insert_with(Vec::new) | ||
430 | .extend(what); | ||
431 | } | ||
432 | pub fn insert_many_as_first_children< | ||
433 | T: Clone + Into<SyntaxNode>, | ||
434 | U: IntoIterator<Item = SyntaxElement>, | ||
435 | >( | ||
436 | &mut self, | ||
437 | parent: &T, | ||
438 | what: U, | ||
439 | ) { | ||
440 | self.insertions | ||
441 | .entry(InsertPos::FirstChildOf(parent.clone().into())) | ||
442 | .or_insert_with(Vec::new) | ||
443 | .extend(what) | ||
444 | } | ||
445 | pub fn replace<T: Clone + Into<SyntaxElement>>(&mut self, what: &T, with: &T) { | 357 | pub fn replace<T: Clone + Into<SyntaxElement>>(&mut self, what: &T, with: &T) { |
446 | let what = what.clone().into(); | 358 | let what = what.clone().into(); |
447 | let replacement = Replacement::Single(with.clone().into()); | 359 | let replacement = Replacement::Single(with.clone().into()); |
448 | self.replacements.insert(what, replacement); | 360 | self.replacements.insert(what, replacement); |
449 | } | 361 | } |
450 | pub fn replace_with_many<T: Clone + Into<SyntaxElement>>( | ||
451 | &mut self, | ||
452 | what: &T, | ||
453 | with: Vec<SyntaxElement>, | ||
454 | ) { | ||
455 | let what = what.clone().into(); | ||
456 | let replacement = Replacement::Many(with); | ||
457 | self.replacements.insert(what, replacement); | ||
458 | } | ||
459 | pub fn replace_ast<T: AstNode>(&mut self, what: &T, with: &T) { | ||
460 | self.replace(what.syntax(), with.syntax()) | ||
461 | } | ||
462 | 362 | ||
463 | pub fn rewrite(&self, node: &SyntaxNode) -> SyntaxNode { | 363 | pub fn rewrite(&self, node: &SyntaxNode) -> SyntaxNode { |
464 | let _p = profile::span("rewrite"); | 364 | let _p = profile::span("rewrite"); |
@@ -534,10 +434,6 @@ impl SyntaxRewriter<'_> { | |||
534 | if let Some(replacement) = self.replacement(&element) { | 434 | if let Some(replacement) = self.replacement(&element) { |
535 | match replacement { | 435 | match replacement { |
536 | Replacement::Single(element) => acc.push(element_to_green(element)), | 436 | Replacement::Single(element) => acc.push(element_to_green(element)), |
537 | Replacement::Many(replacements) => { | ||
538 | acc.extend(replacements.into_iter().map(element_to_green)) | ||
539 | } | ||
540 | Replacement::Delete => (), | ||
541 | }; | 437 | }; |
542 | } else { | 438 | } else { |
543 | match element { | 439 | match element { |
@@ -560,25 +456,9 @@ fn element_to_green(element: SyntaxElement) -> NodeOrToken<rowan::GreenNode, row | |||
560 | } | 456 | } |
561 | } | 457 | } |
562 | 458 | ||
563 | impl ops::AddAssign for SyntaxRewriter<'_> { | ||
564 | fn add_assign(&mut self, rhs: SyntaxRewriter) { | ||
565 | self.replacements.extend(rhs.replacements); | ||
566 | for (pos, insertions) in rhs.insertions.into_iter() { | ||
567 | match self.insertions.entry(pos) { | ||
568 | indexmap::map::Entry::Occupied(mut occupied) => { | ||
569 | occupied.get_mut().extend(insertions) | ||
570 | } | ||
571 | indexmap::map::Entry::Vacant(vacant) => drop(vacant.insert(insertions)), | ||
572 | } | ||
573 | } | ||
574 | } | ||
575 | } | ||
576 | |||
577 | #[derive(Clone, Debug)] | 459 | #[derive(Clone, Debug)] |
578 | enum Replacement { | 460 | enum Replacement { |
579 | Delete, | ||
580 | Single(SyntaxElement), | 461 | Single(SyntaxElement), |
581 | Many(Vec<SyntaxElement>), | ||
582 | } | 462 | } |
583 | 463 | ||
584 | fn with_children( | 464 | fn with_children( |