-use {ErrorMsg, File, FileBuilder, Sink, SyntaxKind, TextUnit, Token};
-use syntax_kinds::TOMBSTONE;
+use {
+ ErrorMsg, File, FileBuilder, Sink, SyntaxKind, Token,
+ syntax_kinds::TOMBSTONE,
+};
use super::is_insignificant;
/// `Parser` produces a flat list of `Event`s.
builder.leaf(token.kind, token.len);
idx += 1
}
- let mut len = TextUnit::new(0);
+ let mut len = 0.into();
for _ in 0..n_raw_tokens {
len += tokens[idx].len;
idx += 1;
+++ /dev/null
-use std::fmt;
-use std::ops;
-
-/// An text position in a source file
-#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
-pub struct TextUnit(u32);
-
-impl TextUnit {
- /// The positional offset required for one character
- pub fn len_of_char(c: char) -> TextUnit {
- TextUnit(c.len_utf8() as u32)
- }
-
- #[allow(missing_docs)]
- pub fn new(val: u32) -> TextUnit {
- TextUnit(val)
- }
-}
-
-impl fmt::Debug for TextUnit {
- fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
- <Self as fmt::Display>::fmt(self, f)
- }
-}
-
-impl fmt::Display for TextUnit {
- fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
- self.0.fmt(f)
- }
-}
-
-impl From<TextUnit> for u32 {
- fn from(tu: TextUnit) -> u32 {
- tu.0
- }
-}
-
-impl From<u32> for TextUnit {
- fn from(tu: u32) -> TextUnit {
- TextUnit::new(tu)
- }
-}
-
-impl ops::Add<TextUnit> for TextUnit {
- type Output = TextUnit;
- fn add(self, rhs: TextUnit) -> TextUnit {
- TextUnit(self.0 + rhs.0)
- }
-}
-
-impl ops::AddAssign<TextUnit> for TextUnit {
- fn add_assign(&mut self, rhs: TextUnit) {
- self.0 += rhs.0
- }
-}
-
-impl ops::Sub<TextUnit> for TextUnit {
- type Output = TextUnit;
- fn sub(self, rhs: TextUnit) -> TextUnit {
- TextUnit(self.0 - rhs.0)
- }
-}
-
-impl ops::SubAssign<TextUnit> for TextUnit {
- fn sub_assign(&mut self, rhs: TextUnit) {
- self.0 -= rhs.0
- }
-}
-
-/// A range of text in a source file
-#[derive(Clone, Copy, PartialEq, Eq)]
-pub struct TextRange {
- start: TextUnit,
- end: TextUnit,
-}
-
-impl fmt::Debug for TextRange {
- fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
- <Self as fmt::Display>::fmt(self, f)
- }
-}
-
-impl fmt::Display for TextRange {
- fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
- write!(f, "[{}; {})", self.start(), self.end())
- }
-}
-
-impl TextRange {
- /// An length-0 range of text
- pub fn empty() -> TextRange {
- TextRange::from_to(TextUnit::new(0), TextUnit::new(0))
- }
-
- /// The left-inclusive range (`[from..to)`) between to points in the text
- pub fn from_to(from: TextUnit, to: TextUnit) -> TextRange {
- assert!(from <= to, "Invalid text range [{}; {})", from, to);
- TextRange {
- start: from,
- end: to,
- }
- }
-
- /// The range from some point over some length
- pub fn from_len(from: TextUnit, len: TextUnit) -> TextRange {
- TextRange::from_to(from, from + len)
- }
-
- /// The starting position of this range
- pub fn start(&self) -> TextUnit {
- self.start
- }
-
- /// The end position of this range
- pub fn end(&self) -> TextUnit {
- self.end
- }
-
- /// The length of this range
- pub fn len(&self) -> TextUnit {
- self.end - self.start
- }
-
- /// Is this range empty of any content?
- pub fn is_empty(&self) -> bool {
- self.start() == self.end()
- }
-}
-
-impl ops::Index<TextRange> for str {
- type Output = str;
-
- fn index(&self, index: TextRange) -> &str {
- &self[index.start().0 as usize..index.end().0 as usize]
- }
-}