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Simplify

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This commit is contained in:
Aleksey Kladov 2020-02-25 14:59:13 +01:00
parent 744ec58bc3
commit d7da42bd40
1 changed files with 13 additions and 11 deletions
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24
crates/ra_ide/src/extend_selection.rs
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@ -145,25 +145,25 @@ fn extend_tokens_from_range(
let src = db.parse_or_expand(expanded.file_id)?;
let parent = shallowest_node(&find_covering_element(&src, expanded.value))?.parent()?;
let validate = |token: SyntaxToken| {
let validate = |token: &SyntaxToken| {
let node = descend_into_macros(db, file_id, token.clone());
if node.file_id == expanded.file_id
node.file_id == expanded.file_id
&& node.value.text_range().is_subrange(&parent.text_range())
{
Some(token)
} else {
None
}
};
// Find the first and last text range under expanded parent
let first = successors(Some(first_token), |token| {
validate(skip_whitespace(token.prev_token()?, Direction::Prev)?)
let token = token.prev_token()?;
skip_whitespace(token, Direction::Prev)
})
.take_while(validate)
.last()?;
let last = successors(Some(last_token), |token| {
validate(skip_whitespace(token.next_token()?, Direction::Next)?)
let token = token.next_token()?;
skip_whitespace(token, Direction::Next)
})
.take_while(validate)
.last()?;
let range = union_range(first.text_range(), last.text_range());
@ -334,10 +334,12 @@ fn adj_comments(comment: &ast::Comment, dir: Direction) -> ast::Comment {
#[cfg(test)]
mod tests {
use super::*;
use crate::mock_analysis::single_file;
use test_utils::extract_offset;
use crate::mock_analysis::single_file;
use super::*;
fn do_check(before: &str, afters: &[&str]) {
let (cursor, before) = extract_offset(before);
let (analysis, file_id) = single_file(&before);