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itroduce trait for ast tokens

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This commit is contained in:
Aleksey Kladov 2019-01-08 12:23:10 +03:00
parent 3f4be81912
commit fa6e0b0d38
12 changed files with 34 additions and 59 deletions
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52
crates/ra_syntax/src/ast.rs
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@ -23,6 +23,12 @@ pub trait AstNode: rowan::TransparentNewType<Repr = rowan::SyntaxNode<RaTypes>>
fn to_owned(&self) -> TreePtr<Self>;
}
pub trait AstToken: AstNode {
fn text(&self) -> &SmolStr {
self.syntax().leaf_text().unwrap()
}
}
pub trait NameOwner: AstNode {
fn name(&self) -> Option<&Name> {
child_opt(self)
@ -155,41 +161,7 @@ impl Attr {
}
}
impl Lifetime {
pub fn text(&self) -> SmolStr {
self.syntax().leaf_text().unwrap().clone()
}
}
impl Char {
pub fn text(&self) -> &SmolStr {
&self.syntax().leaf_text().unwrap()
}
}
impl Byte {
pub fn text(&self) -> &SmolStr {
&self.syntax().leaf_text().unwrap()
}
}
impl ByteString {
pub fn text(&self) -> &SmolStr {
&self.syntax().leaf_text().unwrap()
}
}
impl String {
pub fn text(&self) -> &SmolStr {
&self.syntax().leaf_text().unwrap()
}
}
impl Comment {
pub fn text(&self) -> &SmolStr {
self.syntax().leaf_text().unwrap()
}
pub fn flavor(&self) -> CommentFlavor {
let text = self.text();
if text.starts_with("///") {
@ -248,10 +220,6 @@ impl CommentFlavor {
}
impl Whitespace {
pub fn text(&self) -> &SmolStr {
&self.syntax().leaf_text().unwrap()
}
pub fn count_newlines_lazy(&self) -> impl Iterator<Item = &()> {
self.text().chars().filter(|&c| c == '\n').map(|_| &())
}
@ -262,16 +230,16 @@ impl Whitespace {
}
impl Name {
pub fn text(&self) -> SmolStr {
pub fn text(&self) -> &SmolStr {
let ident = self.syntax().first_child().unwrap();
ident.leaf_text().unwrap().clone()
ident.leaf_text().unwrap()
}
}
impl NameRef {
pub fn text(&self) -> SmolStr {
pub fn text(&self) -> &SmolStr {
let ident = self.syntax().first_child().unwrap();
ident.leaf_text().unwrap().clone()
ident.leaf_text().unwrap()
}
}