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minor cleanups

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This commit is contained in:
Aleksey Kladov 2019-01-26 16:26:30 +03:00
parent 3feaf2a008
commit bf7a0f43d0
1 changed files with 5 additions and 22 deletions
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27
crates/ra_ide_api_light/src/folding_ranges.rs
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@ -1,8 +1,9 @@
use rustc_hash::FxHashSet;
use ra_syntax::{
ast, AstNode, Direction, SourceFile, SyntaxNode, TextRange,
AstNode, Direction, SourceFile, SyntaxNode, TextRange,
SyntaxKind::{self, *},
ast::{self, VisibilityOwner},
};
#[derive(Debug, PartialEq, Eq)]
@ -28,7 +29,7 @@ pub fn folding_ranges(file: &SourceFile) -> Vec<Fold> {
for node in file.syntax().descendants() {
// Fold items that span multiple lines
if let Some(kind) = fold_kind(node.kind()) {
if has_newline(node) {
if node.text().contains('\n') {
res.push(Fold {
range: node.range(),
kind,
@ -83,27 +84,9 @@ fn fold_kind(kind: SyntaxKind) -> Option<FoldKind> {
}
fn has_visibility(node: &SyntaxNode) -> bool {
use ast::VisibilityOwner;
return ast::Module::cast(node)
ast::Module::cast(node)
.and_then(|m| m.visibility())
.is_some();
}
fn has_newline(node: &SyntaxNode) -> bool {
for descendant in node.descendants() {
if let Some(ws) = ast::Whitespace::cast(descendant) {
if ws.has_newlines() {
return true;
}
} else if let Some(comment) = ast::Comment::cast(descendant) {
if comment.has_newlines() {
return true;
}
}
}
false
.is_some()
}
fn contiguous_range_for_group<'a>(