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Enable hover and autocomplete docs on macro generated items

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This commit is contained in:
Aaron Loucks 2020-05-30 14:21:06 -04:00
parent 9b3d4be421
commit 4c655c01f3
5 changed files with 110 additions and 10 deletions
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13
crates/ra_syntax/src/ast/traits.rs
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@ -83,13 +83,22 @@ pub trait DocCommentsOwner: AstNode {
CommentIter { iter: self.syntax().children_with_tokens() }
}
fn doc_comment_text(&self) -> Option<String> {
self.doc_comments().doc_comment_text()
}
}
impl CommentIter {
pub fn from_syntax_node(syntax_node: &ast::SyntaxNode) -> CommentIter {
CommentIter { iter: syntax_node.children_with_tokens() }
}
/// Returns the textual content of a doc comment block as a single string.
/// That is, strips leading `///` (+ optional 1 character of whitespace),
/// trailing `*/`, trailing whitespace and then joins the lines.
fn doc_comment_text(&self) -> Option<String> {
pub fn doc_comment_text(self) -> Option<String> {
let mut has_comments = false;
let docs = self
.doc_comments()
.filter(|comment| comment.kind().doc.is_some())
.map(|comment| {
has_comments = true;