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use crateDecodedInput;
pub use Loc;
/// A set of parser-specific extensions for `Loc`
// impl Loc {
// /// Converts location to a range
// pub fn to_range(&self) -> std::ops::Range<usize> {
// self.begin..self.end
// }
// /// Returns size of the `Loc` (i.e. `end - begin`)
// pub fn size(&self) -> usize {
// self.end - self.begin
// }
// /// Returns a new `Loc` with given `begin` and current `end`
// pub fn with_begin(&self, begin: usize) -> Loc {
// Self {
// begin,
// end: self.end,
// }
// }
// /// Returns a new `Loc` with given `end` and current `begin`
// pub fn with_end(&self, end: usize) -> Loc {
// Self {
// begin: self.begin,
// end,
// }
// }
// /// Adds given `delta` to `begin`
// pub fn adjust_begin(&self, delta: i32) -> Loc {
// let begin: i32 = self
// .begin
// .try_into()
// .expect("failed to convert location to i32 (is it too big?)");
// let begin: usize = (begin + delta)
// .try_into()
// .expect("failed to convert location to usize (is it negative?)");
// Self {
// begin,
// end: self.end,
// }
// }
// /// Adds given `delta` to `end`
// pub fn adjust_end(&self, d: i32) -> Loc {
// let end: i32 = self
// .end
// .try_into()
// .expect("failed to convert location to i32 (is it too big?)");
// let end: usize = (end + d)
// .try_into()
// .expect("failed to convert location to usize (is it negative?)");
// Self {
// begin: self.begin,
// end,
// }
// }
// /// Returns a new `Loc` with the same `begin`, but adjusted `end`,
// /// so that its size is equal to given `new_size`
// pub fn resize(&self, new_size: usize) -> Loc {
// self.with_end(self.begin + new_size)
// }
// /// Joins two `Loc`s by choosing `min(begin)` + `max(end)`
// pub fn join(&self, other: &Self) -> Loc {
// Self {
// begin: std::cmp::min(self.begin, other.begin),
// end: std::cmp::max(self.end, other.end),
// }
// }
// pub(crate) fn maybe_join(&self, other: &Option<Loc>) -> Loc {
// match other.as_ref() {
// Some(other) => self.join(other),
// None => *self,
// }
// }
// /// Returns true if `Loc` is empty (i.e. `begin` == `end`)
// pub fn is_empty(&self) -> bool {
// self.begin == self.end
// }
// pub(crate) fn begin_line_col(&self, input: &DecodedInput) -> Option<(usize, usize)> {
// input.line_col_for_pos(self.begin)
// }
// pub(crate) fn expand_to_line(&self, input: &DecodedInput) -> Option<(usize, Loc)> {
// let (begin_line, _) = self.begin_line_col(input)?;
// let line_no = begin_line;
// let line = input.line_at(line_no);
// Some((
// line_no,
// Self {
// begin: line.start,
// end: line.line_end(),
// },
// ))
// }
// /// Returns source code of the current `Loc` on a given `Input`
// pub fn source(&self, input: &DecodedInput) -> Option<String> {
// let bytes = input.substr_at(self.begin, self.end)?;
// Some(String::from_utf8_lossy(bytes).into_owned())
// }
// pub(crate) fn print(&self, name: &str) {
// println!(
// "{}{} {}",
// " ".repeat(self.begin),
// "~".repeat(self.size()),
// name
// )
// }
// }
// impl std::fmt::Debug for Loc {
// fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
// f.write_str(&format!("{}...{}", self.begin, self.end))
// }
// }
// #[test]
// fn test_to_range() {
// assert_eq!(Loc { begin: 10, end: 20 }.to_range(), 10..20)
// }
// #[test]
// fn test_fmt() {
// assert_eq!(format!("{:?}", Loc { begin: 10, end: 20 }), "10...20")
// }
// #[test]
// fn test_is_empty() {
// assert!(Loc { begin: 1, end: 1 }.is_empty());
// assert!(!Loc { begin: 1, end: 2 }.is_empty());
// }