forked from M-Labs/nac3
ast: Add Ord implementation to Location
This commit is contained in:
parent
16655959f2
commit
1d6291b9ba
|
@ -1,8 +1,9 @@
|
|||
//! Datatypes to support source location information.
|
||||
use std::cmp::Ordering;
|
||||
use crate::ast_gen::StrRef;
|
||||
use std::fmt;
|
||||
|
||||
#[derive(Clone, Copy, Debug, PartialEq)]
|
||||
#[derive(Clone, Copy, Debug, Eq, PartialEq)]
|
||||
pub struct FileName(pub StrRef);
|
||||
impl Default for FileName {
|
||||
fn default() -> Self {
|
||||
|
@ -17,7 +18,7 @@ impl From<String> for FileName {
|
|||
}
|
||||
|
||||
/// A location somewhere in the sourcecode.
|
||||
#[derive(Clone, Copy, Debug, Default, PartialEq)]
|
||||
#[derive(Clone, Copy, Debug, Default, Eq, PartialEq)]
|
||||
pub struct Location {
|
||||
pub row: usize,
|
||||
pub column: usize,
|
||||
|
@ -30,6 +31,28 @@ impl fmt::Display for Location {
|
|||
}
|
||||
}
|
||||
|
||||
impl Ord for Location {
|
||||
fn cmp(&self, other: &Self) -> Ordering {
|
||||
let file_cmp = self.file.0.to_string().cmp(&other.file.0.to_string());
|
||||
if file_cmp != Ordering::Equal {
|
||||
return file_cmp
|
||||
}
|
||||
|
||||
let row_cmp = self.row.cmp(&other.row);
|
||||
if row_cmp != Ordering::Equal {
|
||||
return row_cmp
|
||||
}
|
||||
|
||||
self.column.cmp(&other.column)
|
||||
}
|
||||
}
|
||||
|
||||
impl PartialOrd for Location {
|
||||
fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
|
||||
Some(self.cmp(other))
|
||||
}
|
||||
}
|
||||
|
||||
impl Location {
|
||||
pub fn visualize<'a>(
|
||||
&self,
|
||||
|
|
Loading…
Reference in New Issue