Unnamed repository; edit this file 'description' to name the repository.
-rw-r--r--crates/ide-db/src/source_change.rs10
-rw-r--r--crates/rust-analyzer/src/to_proto.rs492
2 files changed, 489 insertions, 13 deletions
diff --git a/crates/ide-db/src/source_change.rs b/crates/ide-db/src/source_change.rs
index bfccd6b6e1..39763479c6 100644
--- a/crates/ide-db/src/source_change.rs
+++ b/crates/ide-db/src/source_change.rs
@@ -133,7 +133,7 @@ impl FromIterator<(FileId, TextEdit)> for SourceChange {
pub struct SnippetEdit(Vec<(u32, TextRange)>);
impl SnippetEdit {
- fn new(snippets: Vec<Snippet>) -> Self {
+ pub fn new(snippets: Vec<Snippet>) -> Self {
let mut snippet_ranges = snippets
.into_iter()
.zip(1..)
@@ -157,8 +157,10 @@ impl SnippetEdit {
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());
+ let disjoint_ranges = snippet_ranges
+ .iter()
+ .zip(snippet_ranges.iter().skip(1))
+ .all(|((_, left), (_, right))| left.end() <= right.start() || left == right);
stdx::always!(disjoint_ranges);
SnippetEdit(snippet_ranges)
@@ -393,7 +395,7 @@ impl From<FileSystemEdit> for SourceChange {
}
}
-enum Snippet {
+pub enum Snippet {
/// A tabstop snippet (e.g. `$0`).
Tabstop(TextSize),
/// A placeholder snippet (e.g. `${0:placeholder}`).
diff --git a/crates/rust-analyzer/src/to_proto.rs b/crates/rust-analyzer/src/to_proto.rs
index 3848ec004a..01c30fbfcb 100644
--- a/crates/rust-analyzer/src/to_proto.rs
+++ b/crates/rust-analyzer/src/to_proto.rs
@@ -904,8 +904,8 @@ fn merge_text_and_snippet_edits(
for (snippet_index, snippet_range) in
snippets.take_while_ref(|(_, range)| range.end() < new_range.start())
{
- let snippet_range = if stdx::never!(
- !snippet_range.is_empty(),
+ let snippet_range = if !stdx::always!(
+ snippet_range.is_empty(),
"placeholder range {:?} is before current text edit range {:?}",
snippet_range,
new_range
@@ -957,7 +957,7 @@ fn merge_text_and_snippet_edits(
text_edit.new_text.insert_str(start, &format!("${index}"));
} else {
text_edit.new_text.insert(end, '}');
- text_edit.new_text.insert_str(start, &format!("${{{index}"));
+ text_edit.new_text.insert_str(start, &format!("${{{index}:"));
}
}
@@ -974,13 +974,10 @@ fn merge_text_and_snippet_edits(
}
}
- // insert any remaining edits
- // either one of the two or both should've run out at this point,
- // so it's either a tail of text edits or tabstops
- edits.extend(text_edits.map(|indel| snippet_text_edit(line_index, false, indel)));
+ // insert any remaining tabstops
edits.extend(snippets.map(|(snippet_index, snippet_range)| {
- let snippet_range = if stdx::never!(
- !snippet_range.is_empty(),
+ let snippet_range = if !stdx::always!(
+ snippet_range.is_empty(),
"found placeholder snippet {:?} without a text edit",
snippet_range
) {
@@ -1542,7 +1539,9 @@ pub(crate) fn rename_error(err: RenameError) -> crate::LspError {
#[cfg(test)]
mod tests {
+ use expect_test::{expect, Expect};
use ide::{Analysis, FilePosition};
+ use ide_db::source_change::Snippet;
use test_utils::extract_offset;
use triomphe::Arc;
@@ -1612,6 +1611,481 @@ fn bar(_: usize) {}
assert!(!docs.contains("use crate::bar"));
}
+ fn check_rendered_snippets(edit: TextEdit, snippets: SnippetEdit, expect: Expect) {
+ let text = r#"/* place to put all ranges in */"#;
+ let line_index = LineIndex {
+ index: Arc::new(ide::LineIndex::new(text)),
+ endings: LineEndings::Unix,
+ encoding: PositionEncoding::Utf8,
+ };
+
+ let res = merge_text_and_snippet_edits(&line_index, edit, snippets);
+ expect.assert_debug_eq(&res);
+ }
+
+ #[test]
+ fn snippet_rendering_only_tabstops() {
+ let edit = TextEdit::builder().finish();
+ let snippets = SnippetEdit::new(vec![
+ Snippet::Tabstop(0.into()),
+ Snippet::Tabstop(0.into()),
+ Snippet::Tabstop(1.into()),
+ Snippet::Tabstop(1.into()),
+ ]);
+
+ check_rendered_snippets(
+ edit,
+ snippets,
+ expect![[r#"
+ [
+ SnippetTextEdit {
+ range: Range {
+ start: Position {
+ line: 0,
+ character: 0,
+ },
+ end: Position {
+ line: 0,
+ character: 0,
+ },
+ },
+ new_text: "$1",
+ insert_text_format: Some(
+ Snippet,
+ ),
+ annotation_id: None,
+ },
+ SnippetTextEdit {
+ range: Range {
+ start: Position {
+ line: 0,
+ character: 0,
+ },
+ end: Position {
+ line: 0,
+ character: 0,
+ },
+ },
+ new_text: "$2",
+ insert_text_format: Some(
+ Snippet,
+ ),
+ annotation_id: None,
+ },
+ SnippetTextEdit {
+ range: Range {
+ start: Position {
+ line: 0,
+ character: 1,
+ },
+ end: Position {
+ line: 0,
+ character: 1,
+ },
+ },
+ new_text: "$3",
+ insert_text_format: Some(
+ Snippet,
+ ),
+ annotation_id: None,
+ },
+ SnippetTextEdit {
+ range: Range {
+ start: Position {
+ line: 0,
+ character: 1,
+ },
+ end: Position {
+ line: 0,
+ character: 1,
+ },
+ },
+ new_text: "$0",
+ insert_text_format: Some(
+ Snippet,
+ ),
+ annotation_id: None,
+ },
+ ]
+ "#]],
+ );
+ }
+
+ #[test]
+ fn snippet_rendering_only_text_edits() {
+ let mut edit = TextEdit::builder();
+ edit.insert(0.into(), "abc".to_owned());
+ edit.insert(3.into(), "def".to_owned());
+ let edit = edit.finish();
+ let snippets = SnippetEdit::new(vec![]);
+
+ check_rendered_snippets(
+ edit,
+ snippets,
+ expect![[r#"
+ [
+ SnippetTextEdit {
+ range: Range {
+ start: Position {
+ line: 0,
+ character: 0,
+ },
+ end: Position {
+ line: 0,
+ character: 0,
+ },
+ },
+ new_text: "abc",
+ insert_text_format: None,
+ annotation_id: None,
+ },
+ SnippetTextEdit {
+ range: Range {
+ start: Position {
+ line: 0,
+ character: 3,
+ },
+ end: Position {
+ line: 0,
+ character: 3,
+ },
+ },
+ new_text: "def",
+ insert_text_format: None,
+ annotation_id: None,
+ },
+ ]
+ "#]],
+ );
+ }
+
+ #[test]
+ fn snippet_rendering_tabstop_after_text_edit() {
+ let mut edit = TextEdit::builder();
+ edit.insert(0.into(), "abc".to_owned());
+ let edit = edit.finish();
+ let snippets = SnippetEdit::new(vec![Snippet::Tabstop(7.into())]);
+
+ check_rendered_snippets(
+ edit,
+ snippets,
+ expect![[r#"
+ [
+ SnippetTextEdit {
+ range: Range {
+ start: Position {
+ line: 0,
+ character: 0,
+ },
+ end: Position {
+ line: 0,
+ character: 0,
+ },
+ },
+ new_text: "abc",
+ insert_text_format: None,
+ annotation_id: None,
+ },
+ SnippetTextEdit {
+ range: Range {
+ start: Position {
+ line: 0,
+ character: 7,
+ },
+ end: Position {
+ line: 0,
+ character: 7,
+ },
+ },
+ new_text: "$0",
+ insert_text_format: Some(
+ Snippet,
+ ),
+ annotation_id: None,
+ },
+ ]
+ "#]],
+ );
+ }
+
+ #[test]
+ fn snippet_rendering_tabstops_before_text_edit() {
+ let mut edit = TextEdit::builder();
+ edit.insert(2.into(), "abc".to_owned());
+ let edit = edit.finish();
+ let snippets =
+ SnippetEdit::new(vec![Snippet::Tabstop(0.into()), Snippet::Tabstop(0.into())]);
+
+ check_rendered_snippets(
+ edit,
+ snippets,
+ expect![[r#"
+ [
+ SnippetTextEdit {
+ range: Range {
+ start: Position {
+ line: 0,
+ character: 0,
+ },
+ end: Position {
+ line: 0,
+ character: 0,
+ },
+ },
+ new_text: "$1",
+ insert_text_format: Some(
+ Snippet,
+ ),
+ annotation_id: None,
+ },
+ SnippetTextEdit {
+ range: Range {
+ start: Position {
+ line: 0,
+ character: 0,
+ },
+ end: Position {
+ line: 0,
+ character: 0,
+ },
+ },
+ new_text: "$0",
+ insert_text_format: Some(
+ Snippet,
+ ),
+ annotation_id: None,
+ },
+ SnippetTextEdit {
+ range: Range {
+ start: Position {
+ line: 0,
+ character: 2,
+ },
+ end: Position {
+ line: 0,
+ character: 2,
+ },
+ },
+ new_text: "abc",
+ insert_text_format: None,
+ annotation_id: None,
+ },
+ ]
+ "#]],
+ );
+ }
+
+ #[test]
+ fn snippet_rendering_tabstops_between_text_edits() {
+ let mut edit = TextEdit::builder();
+ edit.insert(0.into(), "abc".to_owned());
+ edit.insert(7.into(), "abc".to_owned());
+ let edit = edit.finish();
+ let snippets =
+ SnippetEdit::new(vec![Snippet::Tabstop(4.into()), Snippet::Tabstop(4.into())]);
+
+ check_rendered_snippets(
+ edit,
+ snippets,
+ expect![[r#"
+ [
+ SnippetTextEdit {
+ range: Range {
+ start: Position {
+ line: 0,
+ character: 0,
+ },
+ end: Position {
+ line: 0,
+ character: 0,
+ },
+ },
+ new_text: "abc",
+ insert_text_format: None,
+ annotation_id: None,
+ },
+ SnippetTextEdit {
+ range: Range {
+ start: Position {
+ line: 0,
+ character: 4,
+ },
+ end: Position {
+ line: 0,
+ character: 4,
+ },
+ },
+ new_text: "$1",
+ insert_text_format: Some(
+ Snippet,
+ ),
+ annotation_id: None,
+ },
+ SnippetTextEdit {
+ range: Range {
+ start: Position {
+ line: 0,
+ character: 4,
+ },
+ end: Position {
+ line: 0,
+ character: 4,
+ },
+ },
+ new_text: "$0",
+ insert_text_format: Some(
+ Snippet,
+ ),
+ annotation_id: None,
+ },
+ SnippetTextEdit {
+ range: Range {
+ start: Position {
+ line: 0,
+ character: 7,
+ },
+ end: Position {
+ line: 0,
+ character: 7,
+ },
+ },
+ new_text: "abc",
+ insert_text_format: None,
+ annotation_id: None,
+ },
+ ]
+ "#]],
+ );
+ }
+
+ #[test]
+ fn snippet_rendering_multiple_tabstops_in_text_edit() {
+ let mut edit = TextEdit::builder();
+ edit.insert(0.into(), "abcdefghijkl".to_owned());
+ let edit = edit.finish();
+ let snippets = SnippetEdit::new(vec![
+ Snippet::Tabstop(0.into()),
+ Snippet::Tabstop(5.into()),
+ Snippet::Tabstop(12.into()),
+ ]);
+
+ check_rendered_snippets(
+ edit,
+ snippets,
+ expect![[r#"
+ [
+ SnippetTextEdit {
+ range: Range {
+ start: Position {
+ line: 0,
+ character: 0,
+ },
+ end: Position {
+ line: 0,
+ character: 0,
+ },
+ },
+ new_text: "$1abcde$2fghijkl$0",
+ insert_text_format: Some(
+ Snippet,
+ ),
+ annotation_id: None,
+ },
+ ]
+ "#]],
+ );
+ }
+
+ #[test]
+ fn snippet_rendering_multiple_placeholders_in_text_edit() {
+ let mut edit = TextEdit::builder();
+ edit.insert(0.into(), "abcdefghijkl".to_owned());
+ let edit = edit.finish();
+ let snippets = SnippetEdit::new(vec![
+ Snippet::Placeholder(TextRange::new(0.into(), 3.into())),
+ Snippet::Placeholder(TextRange::new(5.into(), 7.into())),
+ Snippet::Placeholder(TextRange::new(10.into(), 12.into())),
+ ]);
+
+ check_rendered_snippets(
+ edit,
+ snippets,
+ expect![[r#"
+ [
+ SnippetTextEdit {
+ range: Range {
+ start: Position {
+ line: 0,
+ character: 0,
+ },
+ end: Position {
+ line: 0,
+ character: 0,
+ },
+ },
+ new_text: "${1:abc}de${2:fg}hij${0:kl}",
+ insert_text_format: Some(
+ Snippet,
+ ),
+ annotation_id: None,
+ },
+ ]
+ "#]],
+ );
+ }
+
+ #[test]
+ fn snippet_rendering_escape_snippet_bits() {
+ // only needed for snippet formats
+ let mut edit = TextEdit::builder();
+ edit.insert(0.into(), r"abc\def$".to_owned());
+ edit.insert(8.into(), r"ghi\jkl$".to_owned());
+ let edit = edit.finish();
+ let snippets =
+ SnippetEdit::new(vec![Snippet::Placeholder(TextRange::new(0.into(), 3.into()))]);
+
+ check_rendered_snippets(
+ edit,
+ snippets,
+ expect![[r#"
+ [
+ SnippetTextEdit {
+ range: Range {
+ start: Position {
+ line: 0,
+ character: 0,
+ },
+ end: Position {
+ line: 0,
+ character: 0,
+ },
+ },
+ new_text: "${0:abc}\\\\def\\$",
+ insert_text_format: Some(
+ Snippet,
+ ),
+ annotation_id: None,
+ },
+ SnippetTextEdit {
+ range: Range {
+ start: Position {
+ line: 0,
+ character: 8,
+ },
+ end: Position {
+ line: 0,
+ character: 8,
+ },
+ },
+ new_text: "ghi\\jkl$",
+ insert_text_format: None,
+ annotation_id: None,
+ },
+ ]
+ "#]],
+ );
+ }
+
// `Url` is not able to parse windows paths on unix machines.
#[test]
#[cfg(target_os = "windows")]