bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/hir-expand/src/attrs.rs')
-rw-r--r--crates/hir-expand/src/attrs.rs28
1 files changed, 23 insertions, 5 deletions
diff --git a/crates/hir-expand/src/attrs.rs b/crates/hir-expand/src/attrs.rs
index db0feb055e..36636a228f 100644
--- a/crates/hir-expand/src/attrs.rs
+++ b/crates/hir-expand/src/attrs.rs
@@ -4,7 +4,7 @@ use std::{borrow::Cow, fmt, ops};
use base_db::CrateId;
use cfg::CfgExpr;
use either::Either;
-use intern::Interned;
+use intern::{sym, Interned};
use mbe::{syntax_node_to_token_tree, DelimiterKind, DocCommentDesugarMode, Punct};
use smallvec::{smallvec, SmallVec};
use span::{Span, SyntaxContextId};
@@ -12,6 +12,7 @@ use syntax::unescape;
use syntax::{ast, format_smolstr, match_ast, AstNode, AstToken, SmolStr, SyntaxNode};
use triomphe::ThinArc;
+use crate::name::Name;
use crate::{
db::ExpandDatabase,
mod_path::ModPath,
@@ -58,7 +59,10 @@ impl RawAttrs {
text: SmolStr::new(format_smolstr!("\"{}\"", Self::escape_chars(doc))),
span,
}))),
- path: Interned::new(ModPath::from(crate::name!(doc))),
+ path: Interned::new(ModPath::from(Name::new_symbol(
+ sym::doc.clone(),
+ span.ctx,
+ ))),
ctxt: span.ctx,
}
}),
@@ -115,7 +119,7 @@ impl RawAttrs {
pub fn filter(self, db: &dyn ExpandDatabase, krate: CrateId) -> RawAttrs {
let has_cfg_attrs = self
.iter()
- .any(|attr| attr.path.as_ident().map_or(false, |name| *name == crate::name![cfg_attr]));
+ .any(|attr| attr.path.as_ident().map_or(false, |name| *name == sym::cfg_attr.clone()));
if !has_cfg_attrs {
return self;
}
@@ -125,7 +129,7 @@ impl RawAttrs {
self.iter()
.flat_map(|attr| -> SmallVec<[_; 1]> {
let is_cfg_attr =
- attr.path.as_ident().map_or(false, |name| *name == crate::name![cfg_attr]);
+ attr.path.as_ident().map_or(false, |name| *name == sym::cfg_attr.clone());
if !is_cfg_attr {
return smallvec![attr.clone()];
}
@@ -316,6 +320,20 @@ impl Attr {
}
}
+ /// #[path = "string"]
+ pub fn string_value_with_span(&self) -> Option<(&str, span::Span)> {
+ match self.input.as_deref()? {
+ AttrInput::Literal(it) => match it.text.strip_prefix('r') {
+ Some(it) => it.trim_matches('#'),
+ None => it.text.as_str(),
+ }
+ .strip_prefix('"')?
+ .strip_suffix('"')
+ .zip(Some(it.span)),
+ _ => None,
+ }
+ }
+
pub fn string_value_unescape(&self) -> Option<Cow<'_, str>> {
match self.input.as_deref()? {
AttrInput::Literal(it) => match it.text.strip_prefix('r') {
@@ -369,7 +387,7 @@ impl Attr {
}
pub fn cfg(&self) -> Option<CfgExpr> {
- if *self.path.as_ident()? == crate::name![cfg] {
+ if *self.path.as_ident()? == sym::cfg.clone() {
self.token_tree_value().map(CfgExpr::parse)
} else {
None