diff options
Diffstat (limited to 'vendor/rls-span/src/lib.rs')
| -rw-r--r-- | vendor/rls-span/src/lib.rs | 383 |
1 files changed, 0 insertions, 383 deletions
diff --git a/vendor/rls-span/src/lib.rs b/vendor/rls-span/src/lib.rs deleted file mode 100644 index 1d997f605..000000000 --- a/vendor/rls-span/src/lib.rs +++ /dev/null @@ -1,383 +0,0 @@ -#![cfg_attr(feature = "nightly", feature(step_trait, step_trait_ext))] - -use std::marker::PhantomData; -use std::path::PathBuf; - -#[cfg(feature = "nightly")] -use std::iter::Step; - -use serde::{Deserialize, Serialize}; - -pub mod compiler; - -#[derive(Debug, Hash, PartialEq, Eq, PartialOrd, Ord)] -pub struct Column<I: Indexed>(pub u32, PhantomData<I>); - -impl<I: Indexed> Column<I> { - fn new(c: u32) -> Column<I> { - Column(c, PhantomData) - } -} - -impl<I: Indexed> Clone for Column<I> { - fn clone(&self) -> Column<I> { - *self - } -} - -impl<I: Indexed> Copy for Column<I> {} - -impl<I: Indexed> Serialize for Column<I> { - fn serialize<S: serde::Serializer>( - &self, - s: S, - ) -> Result<<S as serde::Serializer>::Ok, <S as serde::Serializer>::Error> { - s.serialize_u32(self.0) - } -} - -impl<'dt, I: Indexed> Deserialize<'dt> for Column<I> { - fn deserialize<D: serde::Deserializer<'dt>>( - d: D, - ) -> std::result::Result<Self, <D as serde::Deserializer<'dt>>::Error> { - <u32 as Deserialize>::deserialize(d).map(Column::new) - } -} - -#[cfg(feature = "serialize-rustc")] -impl<I: Indexed> rustc_serialize::Decodable for Column<I> { - fn decode<D: rustc_serialize::Decoder>(d: &mut D) -> Result<Column<I>, D::Error> { - d.read_u32().map(Column::new) - } -} - -#[cfg(feature = "serialize-rustc")] -impl<I: Indexed> rustc_serialize::Encodable for Column<I> { - fn encode<S: rustc_serialize::Encoder>(&self, s: &mut S) -> Result<(), S::Error> { - s.emit_u32(self.0) - } -} - -impl Column<OneIndexed> { - pub fn new_one_indexed(c: u32) -> Column<OneIndexed> { - Column(c, PhantomData) - } - - pub fn zero_indexed(self) -> Column<ZeroIndexed> { - Column(self.0 - 1, PhantomData) - } -} - -impl Column<ZeroIndexed> { - pub fn new_zero_indexed(c: u32) -> Column<ZeroIndexed> { - Column(c, PhantomData) - } - - pub fn one_indexed(self) -> Column<OneIndexed> { - Column(self.0 + 1, PhantomData) - } -} - -#[cfg(feature = "nightly")] -macro_rules! impl_step { - ($target: ty) => { - unsafe impl Step for $target { - fn steps_between(start: &Self, end: &Self) -> Option<usize> { - Step::steps_between(&start.0, &end.0) - } - fn forward_checked(arg: Self, count: usize) -> Option<Self> { - Step::forward_checked(arg.0, count).map(|x| Self(x, PhantomData)) - } - fn backward_checked(arg: Self, count: usize) -> Option<Self> { - Step::backward_checked(arg.0, count).map(|x| Self(x, PhantomData)) - } - } - }; -} - -#[cfg(feature = "nightly")] -impl_step!(Column<ZeroIndexed>); -#[cfg(feature = "nightly")] -impl_step!(Column<OneIndexed>); -#[cfg(feature = "nightly")] -impl_step!(Row<ZeroIndexed>); -#[cfg(feature = "nightly")] -impl_step!(Row<OneIndexed>); - -#[derive(Debug, Hash, PartialEq, Eq, PartialOrd, Ord)] -pub struct Row<I: Indexed>(pub u32, PhantomData<I>); - -impl<I: Indexed> Row<I> { - fn new(c: u32) -> Row<I> { - Row(c, PhantomData) - } -} - -impl<I: Indexed> Clone for Row<I> { - fn clone(&self) -> Row<I> { - *self - } -} - -impl<I: Indexed> Copy for Row<I> {} - -impl<I: Indexed> serde::Serialize for Row<I> { - fn serialize<S: serde::Serializer>(&self, s: S) -> Result<S::Ok, S::Error> { - s.serialize_u32(self.0) - } -} - -impl<'dt, I: Indexed> serde::Deserialize<'dt> for Row<I> { - fn deserialize<D: serde::Deserializer<'dt>>(d: D) -> std::result::Result<Self, D::Error> { - <u32 as Deserialize>::deserialize(d).map(Row::new) - } -} - -#[cfg(feature = "serialize-rustc")] -impl<I: Indexed> rustc_serialize::Decodable for Row<I> { - fn decode<D: rustc_serialize::Decoder>(d: &mut D) -> Result<Row<I>, D::Error> { - d.read_u32().map(Row::new) - } -} - -#[cfg(feature = "serialize-rustc")] -impl<I: Indexed> rustc_serialize::Encodable for Row<I> { - fn encode<S: rustc_serialize::Encoder>(&self, s: &mut S) -> Result<(), S::Error> { - s.emit_u32(self.0) - } -} - -impl Row<OneIndexed> { - pub fn new_one_indexed(c: u32) -> Row<OneIndexed> { - Row(c, PhantomData) - } - - pub fn zero_indexed(self) -> Row<ZeroIndexed> { - Row(self.0 - 1, PhantomData) - } -} - -impl Row<ZeroIndexed> { - pub fn new_zero_indexed(c: u32) -> Row<ZeroIndexed> { - Row(c, PhantomData) - } - - pub fn one_indexed(self) -> Row<OneIndexed> { - Row(self.0 + 1, PhantomData) - } -} - -#[cfg_attr(feature = "derive", derive(Serialize, Deserialize))] -#[cfg_attr(feature = "serialize-rustc", derive(RustcDecodable, RustcEncodable))] -#[derive(Debug, Hash, PartialEq, Eq, PartialOrd, Ord)] -pub struct Position<I: Indexed> { - pub row: Row<I>, - pub col: Column<I>, -} - -impl<I: Indexed> Position<I> { - pub fn new(row: Row<I>, col: Column<I>) -> Position<I> { - Position { row, col } - } -} - -impl<I: Indexed> Clone for Position<I> { - fn clone(&self) -> Position<I> { - *self - } -} - -impl<I: Indexed> Copy for Position<I> {} - -impl Position<OneIndexed> { - pub fn zero_indexed(self) -> Position<ZeroIndexed> { - Position { row: self.row.zero_indexed(), col: self.col.zero_indexed() } - } -} - -impl Position<ZeroIndexed> { - pub fn one_indexed(self) -> Position<OneIndexed> { - Position { row: self.row.one_indexed(), col: self.col.one_indexed() } - } -} - -#[cfg_attr(feature = "derive", derive(Serialize, Deserialize))] -#[cfg_attr(feature = "serialize-rustc", derive(RustcDecodable, RustcEncodable))] -#[derive(Debug, Hash, PartialEq, Eq, PartialOrd, Ord)] -pub struct Range<I: Indexed> { - pub row_start: Row<I>, - pub row_end: Row<I>, - pub col_start: Column<I>, - pub col_end: Column<I>, -} - -impl<I: Indexed> Range<I> { - pub fn new( - row_start: Row<I>, - row_end: Row<I>, - col_start: Column<I>, - col_end: Column<I>, - ) -> Range<I> { - Range { row_start, row_end, col_start, col_end } - } - - pub fn from_positions(start: Position<I>, end: Position<I>) -> Range<I> { - Range { row_start: start.row, row_end: end.row, col_start: start.col, col_end: end.col } - } - - pub fn start(self) -> Position<I> { - Position { row: self.row_start, col: self.col_start } - } - - pub fn end(self) -> Position<I> { - Position { row: self.row_end, col: self.col_end } - } -} - -impl<I: Indexed> Clone for Range<I> { - fn clone(&self) -> Range<I> { - *self - } -} - -impl<I: Indexed> Copy for Range<I> {} - -impl Range<OneIndexed> { - pub fn zero_indexed(self) -> Range<ZeroIndexed> { - Range { - row_start: self.row_start.zero_indexed(), - row_end: self.row_end.zero_indexed(), - col_start: self.col_start.zero_indexed(), - col_end: self.col_end.zero_indexed(), - } - } -} - -impl Range<ZeroIndexed> { - pub fn one_indexed(self) -> Range<OneIndexed> { - Range { - row_start: self.row_start.one_indexed(), - row_end: self.row_end.one_indexed(), - col_start: self.col_start.one_indexed(), - col_end: self.col_end.one_indexed(), - } - } -} - -#[cfg_attr(feature = "derive", derive(Serialize, Deserialize))] -#[cfg_attr(feature = "serialize-rustc", derive(RustcDecodable, RustcEncodable))] -#[derive(Debug, Hash, PartialEq, Eq, PartialOrd, Ord)] -pub struct Location<I: Indexed> { - pub file: PathBuf, - pub position: Position<I>, -} - -impl<I: Indexed> Location<I> { - pub fn new<F: Into<PathBuf>>(row: Row<I>, col: Column<I>, file: F) -> Location<I> { - Location { position: Position { row, col }, file: file.into() } - } - - pub fn from_position<F: Into<PathBuf>>(position: Position<I>, file: F) -> Location<I> { - Location { position, file: file.into() } - } -} - -impl<I: Indexed> Clone for Location<I> { - fn clone(&self) -> Location<I> { - Location { position: self.position, file: self.file.clone() } - } -} - -impl Location<OneIndexed> { - pub fn zero_indexed(&self) -> Location<ZeroIndexed> { - Location { position: self.position.zero_indexed(), file: self.file.clone() } - } -} - -impl Location<ZeroIndexed> { - pub fn one_indexed(&self) -> Location<OneIndexed> { - Location { position: self.position.one_indexed(), file: self.file.clone() } - } -} - -#[cfg_attr(feature = "derive", derive(Serialize, Deserialize))] -#[cfg_attr(feature = "serialize-rustc", derive(RustcDecodable, RustcEncodable))] -#[derive(Debug, Hash, PartialEq, Eq, PartialOrd, Ord)] -pub struct Span<I: Indexed> { - pub file: PathBuf, - pub range: Range<I>, -} - -impl<I: Indexed> Span<I> { - pub fn new<F: Into<PathBuf>>( - row_start: Row<I>, - row_end: Row<I>, - col_start: Column<I>, - col_end: Column<I>, - file: F, - ) -> Span<I> { - Span { range: Range { row_start, row_end, col_start, col_end }, file: file.into() } - } - - pub fn from_range<F: Into<PathBuf>>(range: Range<I>, file: F) -> Span<I> { - Span { range, file: file.into() } - } - - pub fn from_positions<F: Into<PathBuf>>( - start: Position<I>, - end: Position<I>, - file: F, - ) -> Span<I> { - Span { range: Range::from_positions(start, end), file: file.into() } - } -} - -impl<I: Indexed> Clone for Span<I> { - fn clone(&self) -> Span<I> { - Span { range: self.range, file: self.file.clone() } - } -} - -impl Span<OneIndexed> { - pub fn zero_indexed(&self) -> Span<ZeroIndexed> { - Span { range: self.range.zero_indexed(), file: self.file.clone() } - } -} - -impl Span<ZeroIndexed> { - pub fn one_indexed(&self) -> Span<OneIndexed> { - Span { range: self.range.one_indexed(), file: self.file.clone() } - } -} - -pub trait Indexed {} - -#[cfg_attr(feature = "derive", derive(Serialize, Deserialize))] -#[cfg_attr(feature = "serialize-rustc", derive(RustcDecodable, RustcEncodable))] -#[derive(Hash, PartialEq, Eq, Debug, PartialOrd, Ord)] -pub struct ZeroIndexed; -impl Indexed for ZeroIndexed {} - -#[cfg_attr(feature = "derive", derive(Serialize, Deserialize))] -#[cfg_attr(feature = "serialize-rustc", derive(RustcDecodable, RustcEncodable))] -#[derive(Hash, PartialEq, Eq, Debug, PartialOrd, Ord)] -pub struct OneIndexed; -impl Indexed for OneIndexed {} - -#[cfg(feature = "nightly")] -#[cfg(test)] -mod test { - use super::*; - - #[test] - fn iter_row() { - assert_eq!((Row::new_one_indexed(4)..Row::new_one_indexed(8)).count(), 4); - assert_eq!( - &*(Row::new_zero_indexed(0)..=Row::new_zero_indexed(8)) - .filter(|r| r.0 < 3) - .map(|r| r.0) - .collect::<Vec<_>>(), - &[0, 1, 2], - ); - } -} |