1 files changed, 0 insertions, 144 deletions

diff --git a/crates/ra_syntax/src/yellow/syntax_text.rs b/crates/ra_syntax/src/yellow/syntax_text.rs
deleted file mode 100644
index 84e5b231a..000000000
--- a/crates/ra_syntax/src/yellow/syntax_text.rs
+++ /dev/null
@@ -1,144 +0,0 @@
-use std::{fmt, ops};
-
-use crate::{SyntaxNode, TextRange, TextUnit};
-
-#[derive(Clone)]
-pub struct SyntaxText<'a> {
-    node: &'a SyntaxNode,
-    range: TextRange,
-}
-
-impl<'a> SyntaxText<'a> {
-    pub(crate) fn new(node: &'a SyntaxNode) -> SyntaxText<'a> {
-        SyntaxText { node, range: node.range() }
-    }
-
-    pub fn chunks(&self) -> impl Iterator<Item = &'a str> {
-        let range = self.range;
-        self.node.descendants().filter_map(move |node| {
-            let text = node.leaf_text()?;
-            let range = range.intersection(&node.range())?;
-            let range = range - node.range().start();
-            Some(&text[range])
-        })
-    }
-
-    pub fn push_to(&self, buf: &mut String) {
-        self.chunks().for_each(|it| buf.push_str(it));
-    }
-
-    pub fn to_string(&self) -> String {
-        self.chunks().collect()
-    }
-
-    pub fn contains(&self, c: char) -> bool {
-        self.chunks().any(|it| it.contains(c))
-    }
-
-    pub fn find(&self, c: char) -> Option<TextUnit> {
-        let mut acc: TextUnit = 0.into();
-        for chunk in self.chunks() {
-            if let Some(pos) = chunk.find(c) {
-                let pos: TextUnit = (pos as u32).into();
-                return Some(acc + pos);
-            }
-            acc += TextUnit::of_str(chunk);
-        }
-        None
-    }
-
-    pub fn len(&self) -> TextUnit {
-        self.range.len()
-    }
-
-    pub fn slice(&self, range: impl SyntaxTextSlice) -> SyntaxText<'a> {
-        let range = range.restrict(self.range).unwrap_or_else(|| {
-            panic!("invalid slice, range: {:?}, slice: {:?}", self.range, range)
-        });
-        SyntaxText { node: self.node, range }
-    }
-
-    pub fn char_at(&self, offset: impl Into<TextUnit>) -> Option<char> {
-        let mut start: TextUnit = 0.into();
-        let offset = offset.into();
-        for chunk in self.chunks() {
-            let end = start + TextUnit::of_str(chunk);
-            if start <= offset && offset < end {
-                let off: usize = u32::from(offset - start) as usize;
-                return Some(chunk[off..].chars().next().unwrap());
-            }
-            start = end;
-        }
-        None
-    }
-}
-
-impl<'a> fmt::Debug for SyntaxText<'a> {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        fmt::Debug::fmt(&self.to_string(), f)
-    }
-}
-
-impl<'a> fmt::Display for SyntaxText<'a> {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        fmt::Display::fmt(&self.to_string(), f)
-    }
-}
-
-pub trait SyntaxTextSlice: fmt::Debug {
-    fn restrict(&self, range: TextRange) -> Option<TextRange>;
-}
-
-impl SyntaxTextSlice for TextRange {
-    fn restrict(&self, range: TextRange) -> Option<TextRange> {
-        self.intersection(&range)
-    }
-}
-
-impl SyntaxTextSlice for ops::RangeTo<TextUnit> {
-    fn restrict(&self, range: TextRange) -> Option<TextRange> {
-        if !range.contains_inclusive(self.end) {
-            return None;
-        }
-        Some(TextRange::from_to(range.start(), self.end))
-    }
-}
-
-impl SyntaxTextSlice for ops::RangeFrom<TextUnit> {
-    fn restrict(&self, range: TextRange) -> Option<TextRange> {
-        if !range.contains_inclusive(self.start) {
-            return None;
-        }
-        Some(TextRange::from_to(self.start, range.end()))
-    }
-}
-
-impl SyntaxTextSlice for ops::Range<TextUnit> {
-    fn restrict(&self, range: TextRange) -> Option<TextRange> {
-        TextRange::from_to(self.start, self.end).restrict(range)
-    }
-}
-
-impl From<SyntaxText<'_>> for String {
-    fn from(text: SyntaxText) -> String {
-        text.to_string()
-    }
-}
-
-impl PartialEq<str> for SyntaxText<'_> {
-    fn eq(&self, mut rhs: &str) -> bool {
-        for chunk in self.chunks() {
-            if !rhs.starts_with(chunk) {
-                return false;
-            }
-            rhs = &rhs[chunk.len()..];
-        }
-        rhs.is_empty()
-    }
-}
-
-impl PartialEq<&'_ str> for SyntaxText<'_> {
-    fn eq(&self, rhs: &&str) -> bool {
-        self == *rhs
-    }
-}