Unnamed repository; edit this file 'description' to name the repository.
Add `SnippetEdit` to be alongside source changes
Rendering of snippet edits is deferred to places using source change
DropDemBits 2023-07-12
parent 75ac37f · commit 89f7bf7
-rw-r--r--crates/ide-assists/src/tests.rs83
-rw-r--r--crates/ide-db/src/source_change.rs137
-rw-r--r--crates/ide-diagnostics/src/tests.rs5
-rw-r--r--crates/ide/src/rename.rs208
-rw-r--r--crates/ide/src/ssr.rs57
-rw-r--r--crates/rust-analyzer/src/handlers/request.rs3
-rw-r--r--crates/rust-analyzer/src/to_proto.rs2
7 files changed, 335 insertions, 160 deletions
diff --git a/crates/ide-assists/src/tests.rs b/crates/ide-assists/src/tests.rs
index 344f2bfcce..00cea0e76c 100644
--- a/crates/ide-assists/src/tests.rs
+++ b/crates/ide-assists/src/tests.rs
@@ -191,7 +191,7 @@ fn check_with_config(
&& source_change.file_system_edits.len() == 0;
let mut buf = String::new();
- for (file_id, edit) in source_change.source_file_edits {
+ for (file_id, (edit, _snippet_edit)) in source_change.source_file_edits {
let mut text = db.file_text(file_id).as_ref().to_owned();
edit.apply(&mut text);
if !skip_header {
@@ -485,18 +485,21 @@ pub fn test_some_range(a: int) -> bool {
source_file_edits: {
FileId(
0,
- ): TextEdit {
- indels: [
- Indel {
- insert: "let $0var_name = 5;\n ",
- delete: 45..45,
- },
- Indel {
- insert: "var_name",
- delete: 59..60,
- },
- ],
- },
+ ): (
+ TextEdit {
+ indels: [
+ Indel {
+ insert: "let $0var_name = 5;\n ",
+ delete: 45..45,
+ },
+ Indel {
+ insert: "var_name",
+ delete: 59..60,
+ },
+ ],
+ },
+ None,
+ ),
},
file_system_edits: [],
is_snippet: true,
@@ -544,18 +547,21 @@ pub fn test_some_range(a: int) -> bool {
source_file_edits: {
FileId(
0,
- ): TextEdit {
- indels: [
- Indel {
- insert: "let $0var_name = 5;\n ",
- delete: 45..45,
- },
- Indel {
- insert: "var_name",
- delete: 59..60,
- },
- ],
- },
+ ): (
+ TextEdit {
+ indels: [
+ Indel {
+ insert: "let $0var_name = 5;\n ",
+ delete: 45..45,
+ },
+ Indel {
+ insert: "var_name",
+ delete: 59..60,
+ },
+ ],
+ },
+ None,
+ ),
},
file_system_edits: [],
is_snippet: true,
@@ -581,18 +587,21 @@ pub fn test_some_range(a: int) -> bool {
source_file_edits: {
FileId(
0,
- ): TextEdit {
- indels: [
- Indel {
- insert: "fun_name()",
- delete: 59..60,
- },
- Indel {
- insert: "\n\nfn $0fun_name() -> i32 {\n 5\n}",
- delete: 110..110,
- },
- ],
- },
+ ): (
+ TextEdit {
+ indels: [
+ Indel {
+ insert: "fun_name()",
+ delete: 59..60,
+ },
+ Indel {
+ insert: "\n\nfn $0fun_name() -> i32 {\n 5\n}",
+ delete: 110..110,
+ },
+ ],
+ },
+ None,
+ ),
},
file_system_edits: [],
is_snippet: true,
diff --git a/crates/ide-db/src/source_change.rs b/crates/ide-db/src/source_change.rs
index fad0ca51a0..596f28e981 100644
--- a/crates/ide-db/src/source_change.rs
+++ b/crates/ide-db/src/source_change.rs
@@ -7,6 +7,7 @@ use std::{collections::hash_map::Entry, iter, mem};
use crate::SnippetCap;
use base_db::{AnchoredPathBuf, FileId};
+use itertools::Itertools;
use nohash_hasher::IntMap;
use stdx::never;
use syntax::{
@@ -17,7 +18,7 @@ use text_edit::{TextEdit, TextEditBuilder};
#[derive(Default, Debug, Clone)]
pub struct SourceChange {
- pub source_file_edits: IntMap<FileId, TextEdit>,
+ pub source_file_edits: IntMap<FileId, (TextEdit, Option<SnippetEdit>)>,
pub file_system_edits: Vec<FileSystemEdit>,
pub is_snippet: bool,
}
@@ -26,7 +27,7 @@ impl SourceChange {
/// Creates a new SourceChange with the given label
/// from the edits.
pub fn from_edits(
- source_file_edits: IntMap<FileId, TextEdit>,
+ source_file_edits: IntMap<FileId, (TextEdit, Option<SnippetEdit>)>,
file_system_edits: Vec<FileSystemEdit>,
) -> Self {
SourceChange { source_file_edits, file_system_edits, is_snippet: false }
@@ -34,7 +35,7 @@ impl SourceChange {
pub fn from_text_edit(file_id: FileId, edit: TextEdit) -> Self {
SourceChange {
- source_file_edits: iter::once((file_id, edit)).collect(),
+ source_file_edits: iter::once((file_id, (edit, None))).collect(),
..Default::default()
}
}
@@ -42,12 +43,31 @@ impl SourceChange {
/// Inserts a [`TextEdit`] for the given [`FileId`]. This properly handles merging existing
/// edits for a file if some already exist.
pub fn insert_source_edit(&mut self, file_id: FileId, edit: TextEdit) {
+ self.insert_source_and_snippet_edit(file_id, edit, None)
+ }
+
+ /// Inserts a [`TextEdit`] and potentially a [`SnippetEdit`] for the given [`FileId`].
+ /// This properly handles merging existing edits for a file if some already exist.
+ pub fn insert_source_and_snippet_edit(
+ &mut self,
+ file_id: FileId,
+ edit: TextEdit,
+ snippet_edit: Option<SnippetEdit>,
+ ) {
match self.source_file_edits.entry(file_id) {
Entry::Occupied(mut entry) => {
- never!(entry.get_mut().union(edit).is_err(), "overlapping edits for same file");
+ let value = entry.get_mut();
+ never!(value.0.union(edit).is_err(), "overlapping edits for same file");
+ never!(
+ value.1.is_some() && snippet_edit.is_some(),
+ "overlapping snippet edits for same file"
+ );
+ if value.1.is_none() {
+ value.1 = snippet_edit;
+ }
}
Entry::Vacant(entry) => {
- entry.insert(edit);
+ entry.insert((edit, snippet_edit));
}
}
}
@@ -57,7 +77,7 @@ impl SourceChange {
}
pub fn get_source_edit(&self, file_id: FileId) -> Option<&TextEdit> {
- self.source_file_edits.get(&file_id)
+ self.source_file_edits.get(&file_id).map(|(edit, _)| edit)
}
pub fn merge(mut self, other: SourceChange) -> SourceChange {
@@ -70,7 +90,18 @@ impl SourceChange {
impl Extend<(FileId, TextEdit)> for SourceChange {
fn extend<T: IntoIterator<Item = (FileId, TextEdit)>>(&mut self, iter: T) {
- iter.into_iter().for_each(|(file_id, edit)| self.insert_source_edit(file_id, edit));
+ self.extend(iter.into_iter().map(|(file_id, edit)| (file_id, (edit, None))))
+ }
+}
+
+impl Extend<(FileId, (TextEdit, Option<SnippetEdit>))> for SourceChange {
+ fn extend<T: IntoIterator<Item = (FileId, (TextEdit, Option<SnippetEdit>))>>(
+ &mut self,
+ iter: T,
+ ) {
+ iter.into_iter().for_each(|(file_id, (edit, snippet_edit))| {
+ self.insert_source_and_snippet_edit(file_id, edit, snippet_edit)
+ });
}
}
@@ -82,6 +113,14 @@ impl Extend<FileSystemEdit> for SourceChange {
impl From<IntMap<FileId, TextEdit>> for SourceChange {
fn from(source_file_edits: IntMap<FileId, TextEdit>) -> SourceChange {
+ let source_file_edits =
+ source_file_edits.into_iter().map(|(file_id, edit)| (file_id, (edit, None))).collect();
+ SourceChange { source_file_edits, file_system_edits: Vec::new(), is_snippet: false }
+ }
+}
+
+impl From<IntMap<FileId, (TextEdit, Option<SnippetEdit>)>> for SourceChange {
+ fn from(source_file_edits: IntMap<FileId, (TextEdit, Option<SnippetEdit>)>) -> SourceChange {
SourceChange { source_file_edits, file_system_edits: Vec::new(), is_snippet: false }
}
}
@@ -94,6 +133,73 @@ impl FromIterator<(FileId, TextEdit)> for SourceChange {
}
}
+impl FromIterator<(FileId, (TextEdit, Option<SnippetEdit>))> for SourceChange {
+ fn from_iter<T: IntoIterator<Item = (FileId, (TextEdit, Option<SnippetEdit>))>>(
+ iter: T,
+ ) -> Self {
+ let mut this = SourceChange::default();
+ this.extend(iter);
+ this
+ }
+}
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct SnippetEdit(Vec<(u32, TextRange)>);
+
+impl SnippetEdit {
+ fn new(snippets: Vec<Snippet>) -> Self {
+ let mut snippet_ranges = snippets
+ .into_iter()
+ .zip(1..)
+ .with_position()
+ .map(|pos| {
+ let (snippet, index) = match pos {
+ itertools::Position::First(it) | itertools::Position::Middle(it) => it,
+ // last/only snippet gets index 0
+ itertools::Position::Last((snippet, _))
+ | itertools::Position::Only((snippet, _)) => (snippet, 0),
+ };
+
+ let range = match snippet {
+ Snippet::Tabstop(pos) => TextRange::empty(pos),
+ Snippet::Placeholder(range) => range,
+ };
+ (index, range)
+ })
+ .collect_vec();
+
+ snippet_ranges.sort_by_key(|(_, range)| range.start());
+
+ // Ensure that none of the ranges overlap
+ let disjoint_ranges =
+ snippet_ranges.windows(2).all(|ranges| ranges[0].1.end() <= ranges[1].1.start());
+ stdx::always!(disjoint_ranges);
+
+ SnippetEdit(snippet_ranges)
+ }
+
+ /// Inserts all of the snippets into the given text.
+ pub fn apply(&self, text: &mut String) {
+ // Start from the back so that we don't have to adjust ranges
+ for (index, range) in self.0.iter().rev() {
+ if range.is_empty() {
+ // is a tabstop
+ text.insert_str(range.start().into(), &format!("${index}"));
+ } else {
+ // is a placeholder
+ text.insert(range.end().into(), '}');
+ text.insert_str(range.start().into(), &format!("${{{index}:"));
+ }
+ }
+ }
+
+ /// Gets the underlying snippet index + text range
+ /// Tabstops are represented by an empty range, and placeholders use the range that they were given
+ pub fn into_edit_ranges(self) -> Vec<(u32, TextRange)> {
+ self.0
+ }
+}
+
pub struct SourceChangeBuilder {
pub edit: TextEditBuilder,
pub file_id: FileId,
@@ -275,6 +381,16 @@ impl SourceChangeBuilder {
pub fn finish(mut self) -> SourceChange {
self.commit();
+
+ // Only one file can have snippet edits
+ stdx::never!(self
+ .source_change
+ .source_file_edits
+ .iter()
+ .filter(|(_, (_, snippet_edit))| snippet_edit.is_some())
+ .at_most_one()
+ .is_err());
+
mem::take(&mut self.source_change)
}
}
@@ -296,6 +412,13 @@ impl From<FileSystemEdit> for SourceChange {
}
}
+enum Snippet {
+ /// A tabstop snippet (e.g. `$0`).
+ Tabstop(TextSize),
+ /// A placeholder snippet (e.g. `${0:placeholder}`).
+ Placeholder(TextRange),
+}
+
enum PlaceSnippet {
/// Place a tabstop before an element
Before(SyntaxElement),
diff --git a/crates/ide-diagnostics/src/tests.rs b/crates/ide-diagnostics/src/tests.rs
index 4ac9d0a9fb..ee0e035490 100644
--- a/crates/ide-diagnostics/src/tests.rs
+++ b/crates/ide-diagnostics/src/tests.rs
@@ -49,8 +49,11 @@ fn check_nth_fix(nth: usize, ra_fixture_before: &str, ra_fixture_after: &str) {
let file_id = *source_change.source_file_edits.keys().next().unwrap();
let mut actual = db.file_text(file_id).to_string();
- for edit in source_change.source_file_edits.values() {
+ for (edit, snippet_edit) in source_change.source_file_edits.values() {
edit.apply(&mut actual);
+ if let Some(snippet_edit) = snippet_edit {
+ snippet_edit.apply(&mut actual);
+ }
}
actual
};
diff --git a/crates/ide/src/rename.rs b/crates/ide/src/rename.rs
index e10c463810..5c4beb7dd5 100644
--- a/crates/ide/src/rename.rs
+++ b/crates/ide/src/rename.rs
@@ -367,7 +367,7 @@ mod tests {
let mut file_id: Option<FileId> = None;
for edit in source_change.source_file_edits {
file_id = Some(edit.0);
- for indel in edit.1.into_iter() {
+ for indel in edit.1 .0.into_iter() {
text_edit_builder.replace(indel.delete, indel.insert);
}
}
@@ -895,14 +895,17 @@ mod foo$0;
source_file_edits: {
FileId(
1,
- ): TextEdit {
- indels: [
- Indel {
- insert: "foo2",
- delete: 4..7,
- },
- ],
- },
+ ): (
+ TextEdit {
+ indels: [
+ Indel {
+ insert: "foo2",
+ delete: 4..7,
+ },
+ ],
+ },
+ None,
+ ),
},
file_system_edits: [
MoveFile {
@@ -944,24 +947,30 @@ use crate::foo$0::FooContent;
source_file_edits: {
FileId(
0,
- ): TextEdit {
- indels: [
- Indel {
- insert: "quux",
- delete: 8..11,
- },
- ],
- },
+ ): (
+ TextEdit {
+ indels: [
+ Indel {
+ insert: "quux",
+ delete: 8..11,
+ },
+ ],
+ },
+ None,
+ ),
FileId(
2,
- ): TextEdit {
- indels: [
- Indel {
- insert: "quux",
- delete: 11..14,
- },
- ],
- },
+ ): (
+ TextEdit {
+ indels: [
+ Indel {
+ insert: "quux",
+ delete: 11..14,
+ },
+ ],
+ },
+ None,
+ ),
},
file_system_edits: [
MoveFile {
@@ -997,14 +1006,17 @@ mod fo$0o;
source_file_edits: {
FileId(
0,
- ): TextEdit {
- indels: [
- Indel {
- insert: "foo2",
- delete: 4..7,
- },
- ],
- },
+ ): (
+ TextEdit {
+ indels: [
+ Indel {
+ insert: "foo2",
+ delete: 4..7,
+ },
+ ],
+ },
+ None,
+ ),
},
file_system_edits: [
MoveDir {
@@ -1047,14 +1059,17 @@ mod outer { mod fo$0o; }
source_file_edits: {
FileId(
0,
- ): TextEdit {
- indels: [
- Indel {
- insert: "bar",
- delete: 16..19,
- },
- ],
- },
+ ): (
+ TextEdit {
+ indels: [
+ Indel {
+ insert: "bar",
+ delete: 16..19,
+ },
+ ],
+ },
+ None,
+ ),
},
file_system_edits: [
MoveFile {
@@ -1120,24 +1135,30 @@ pub mod foo$0;
source_file_edits: {
FileId(
0,
- ): TextEdit {
- indels: [
- Indel {
- insert: "foo2",
- delete: 27..30,
- },
- ],
- },
+ ): (
+ TextEdit {
+ indels: [
+ Indel {
+ insert: "foo2",
+ delete: 27..30,
+ },
+ ],
+ },
+ None,
+ ),
FileId(
1,
- ): TextEdit {
- indels: [
- Indel {
- insert: "foo2",
- delete: 8..11,
- },
- ],
- },
+ ): (
+ TextEdit {
+ indels: [
+ Indel {
+ insert: "foo2",
+ delete: 8..11,
+ },
+ ],
+ },
+ None,
+ ),
},
file_system_edits: [
MoveFile {
@@ -1187,14 +1208,17 @@ mod quux;
source_file_edits: {
FileId(
0,
- ): TextEdit {
- indels: [
- Indel {
- insert: "foo2",
- delete: 4..7,
- },
- ],
- },
+ ): (
+ TextEdit {
+ indels: [
+ Indel {
+ insert: "foo2",
+ delete: 4..7,
+ },
+ ],
+ },
+ None,
+ ),
},
file_system_edits: [
MoveFile {
@@ -1325,18 +1349,21 @@ pub fn baz() {}
source_file_edits: {
FileId(
0,
- ): TextEdit {
- indels: [
- Indel {
- insert: "r#fn",
- delete: 4..7,
- },
- Indel {
- insert: "r#fn",
- delete: 22..25,
- },
- ],
- },
+ ): (
+ TextEdit {
+ indels: [
+ Indel {
+ insert: "r#fn",
+ delete: 4..7,
+ },
+ Indel {
+ insert: "r#fn",
+ delete: 22..25,
+ },
+ ],
+ },
+ None,
+ ),
},
file_system_edits: [
MoveFile {
@@ -1395,18 +1422,21 @@ pub fn baz() {}
source_file_edits: {
FileId(
0,
- ): TextEdit {
- indels: [
- Indel {
- insert: "foo",
- delete: 4..8,
- },
- Indel {
- insert: "foo",
- delete: 23..27,
- },
- ],
- },
+ ): (
+ TextEdit {
+ indels: [
+ Indel {
+ insert: "foo",
+ delete: 4..8,
+ },
+ Indel {
+ insert: "foo",
+ delete: 23..27,
+ },
+ ],
+ },
+ None,
+ ),
},
file_system_edits: [
MoveFile {
diff --git a/crates/ide/src/ssr.rs b/crates/ide/src/ssr.rs
index deaf3c9c41..d8d81869a2 100644
--- a/crates/ide/src/ssr.rs
+++ b/crates/ide/src/ssr.rs
@@ -126,14 +126,17 @@ mod tests {
source_file_edits: {
FileId(
0,
- ): TextEdit {
- indels: [
- Indel {
- insert: "3",
- delete: 33..34,
- },
- ],
- },
+ ): (
+ TextEdit {
+ indels: [
+ Indel {
+ insert: "3",
+ delete: 33..34,
+ },
+ ],
+ },
+ None,
+ ),
},
file_system_edits: [],
is_snippet: false,
@@ -163,24 +166,30 @@ mod tests {
source_file_edits: {
FileId(
0,
- ): TextEdit {
- indels: [
- Indel {
- insert: "3",
- delete: 33..34,
- },
- ],
- },
+ ): (
+ TextEdit {
+ indels: [
+ Indel {
+ insert: "3",
+ delete: 33..34,
+ },
+ ],
+ },
+ None,
+ ),
FileId(
1,
- ): TextEdit {
- indels: [
- Indel {
- insert: "3",
- delete: 11..12,
- },
- ],
- },
+ ): (
+ TextEdit {
+ indels: [
+ Indel {
+ insert: "3",
+ delete: 11..12,
+ },
+ ],
+ },
+ None,
+ ),
},
file_system_edits: [],
is_snippet: false,
diff --git a/crates/rust-analyzer/src/handlers/request.rs b/crates/rust-analyzer/src/handlers/request.rs
index aad74b7466..5f1f731cff 100644
--- a/crates/rust-analyzer/src/handlers/request.rs
+++ b/crates/rust-analyzer/src/handlers/request.rs
@@ -353,7 +353,8 @@ pub(crate) fn handle_on_type_formatting(
};
// This should be a single-file edit
- let (_, text_edit) = edit.source_file_edits.into_iter().next().unwrap();
+ let (_, (text_edit, snippet_edit)) = edit.source_file_edits.into_iter().next().unwrap();
+ stdx::never!(snippet_edit.is_none(), "on type formatting shouldn't use structured snippets");
let change = to_proto::snippet_text_edit_vec(&line_index, edit.is_snippet, text_edit);
Ok(Some(change))
diff --git a/crates/rust-analyzer/src/to_proto.rs b/crates/rust-analyzer/src/to_proto.rs
index ba3421bf9e..0022b7a867 100644
--- a/crates/rust-analyzer/src/to_proto.rs
+++ b/crates/rust-analyzer/src/to_proto.rs
@@ -973,7 +973,7 @@ pub(crate) fn snippet_workspace_edit(
let ops = snippet_text_document_ops(snap, op)?;
document_changes.extend_from_slice(&ops);
}
- for (file_id, edit) in source_change.source_file_edits {
+ for (file_id, (edit, _snippet_edit)) in source_change.source_file_edits {
let edit = snippet_text_document_edit(snap, source_change.is_snippet, file_id, edit)?;
document_changes.push(lsp_ext::SnippetDocumentChangeOperation::Edit(edit));
}