Upgrade rust/crates/codespan-reporting to 0.11.0

Test: make
Change-Id: Ic52ba5f9bbf0ad9dd0cb7293bcc451623c2d3e82

1 files changed, 8 insertions, 4 deletions

diff --git a/src/diagnostic.rs b/src/diagnostic.rs
index 559c899..7dddcec 100644
--- a/src/diagnostic.rs
+++ b/src/diagnostic.rs
@@ -16,7 +16,7 @@ use std::ops::Range;
 /// assert!(Severity::Warning > Severity::Note);
 /// assert!(Severity::Note > Severity::Help);
 /// ```
-#[derive(Copy, Clone, PartialEq, Hash, Debug)]
+#[derive(Copy, Clone, PartialEq, Eq, Hash, Debug)]
 #[cfg_attr(feature = "serialization", derive(Serialize, Deserialize))]
 pub enum Severity {
     /// An unexpected bug.
@@ -50,7 +50,7 @@ impl PartialOrd for Severity {
     }
 }
 
-#[derive(Copy, Clone, Debug, PartialEq, Eq)]
+#[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd)]
 #[cfg_attr(feature = "serialization", derive(Serialize, Deserialize))]
 pub enum LabelStyle {
     /// Labels that describe the primary cause of a diagnostic.
@@ -60,7 +60,7 @@ pub enum LabelStyle {
 }
 
 /// A label describing an underlined region of code associated with a diagnostic.
-#[derive(Clone, Debug)]
+#[derive(Clone, Debug, PartialEq, Eq)]
 #[cfg_attr(feature = "serialization", derive(Serialize, Deserialize))]
 pub struct Label<FileId> {
     /// The style of the label.
@@ -112,7 +112,9 @@ impl<FileId> Label<FileId> {
 
 /// Represents a diagnostic message that can provide information like errors and
 /// warnings to the user.
-#[derive(Clone, Debug)]
+///
+/// The position of a Diagnostic is considered to be the position of the [`Label`] that has the earliest starting position and has the highest style which appears in all the labels of the diagnostic.
+#[derive(Clone, Debug, PartialEq, Eq)]
 #[cfg_attr(feature = "serialization", derive(Serialize, Deserialize))]
 pub struct Diagnostic<FileId> {
     /// The overall severity of the diagnostic
@@ -126,6 +128,8 @@ pub struct Diagnostic<FileId> {
     /// sense on its own, without additional context provided by labels and notes.
     pub message: String,
     /// Source labels that describe the cause of the diagnostic.
+    /// The order of the labels inside the vector does not have any meaning.
+    /// The labels are always arranged in the order they appear in the source code.
     pub labels: Vec<Label<FileId>>,
     /// Notes that are associated with the primary cause of the diagnostic.
     /// These can include line breaks for improved formatting.