Move from language-reporting to codespan (#1825)

crates/nu-errors/src/lib.rs

@@ -1,8 +1,8 @@
 use ansi_term::Color;
 use bigdecimal::BigDecimal;
+use codespan_reporting::diagnostic::{Diagnostic, Label};
 use derive_new::new;
 use getset::Getters;
-use language_reporting::{Diagnostic, Label, Severity};
 use nu_source::{b, DebugDocBuilder, HasFallibleSpan, PrettyDebug, Span, Spanned, SpannedItem};
 use num_bigint::BigInt;
 use num_traits::ToPrimitive;
@@ -414,7 +414,7 @@ impl ShellError {
         .start()
     }
 
-    pub fn diagnostic(diagnostic: Diagnostic<Span>) -> ShellError {
+    pub fn diagnostic(diagnostic: Diagnostic<usize>) -> ShellError {
         ProximateShellError::Diagnostic(ShellDiagnostic { diagnostic }).start()
     }
 
@@ -422,16 +422,13 @@ impl ShellError {
         ProximateShellError::ExternalPlaceholderError.start()
     }
 
-    pub fn into_diagnostic(self) -> Option<Diagnostic<Span>> {
+    pub fn into_diagnostic(self) -> Option<Diagnostic<usize>> {
         match self.error {
             ProximateShellError::MissingValue { span, reason } => {
-                let mut d = Diagnostic::new(
-                    Severity::Bug,
-                    format!("Internal Error (missing value) :: {}", reason),
-                );
+                let mut d = Diagnostic::bug().with_message(format!("Internal Error (missing value) :: {}", reason));
 
                 if let Some(span) = span {
-                    d = d.with_label(Label::new_primary(span));
+                    d = d.with_labels(vec![Label::primary(0, span)]);
                 }
 
                 Some(d)
@@ -440,57 +437,49 @@ impl ShellError {
                 command,
                 error,
             } => Some(match error {
-                ArgumentError::InvalidExternalWord => Diagnostic::new(
-                    Severity::Error,
-                    "Invalid bare word for Nu command (did you intend to invoke an external command?)".to_string())
-                .with_label(Label::new_primary(command.span)),
-                ArgumentError::UnexpectedArgument(argument) => Diagnostic::new(
-                    Severity::Error,
+                ArgumentError::InvalidExternalWord => Diagnostic::error().with_message("Invalid bare word for Nu command (did you intend to invoke an external command?)")
+                .with_labels(vec![Label::primary(0, command.span)]),
+                ArgumentError::UnexpectedArgument(argument) => Diagnostic::error().with_message(
                     format!(
                         "{} unexpected {}",
                         Color::Cyan.paint(&command.item),
                         Color::Green.bold().paint(&argument.item)
-                    ),
+                    )
                 )
-                .with_label(
-                    Label::new_primary(argument.span).with_message(
-                        format!("unexpected argument (try {} -h)", &command.item))
+                .with_labels(
+                    vec![Label::primary(0, argument.span).with_message(
+                        format!("unexpected argument (try {} -h)", &command.item))]
                 ),
-                ArgumentError::UnexpectedFlag(flag) => Diagnostic::new(
-                    Severity::Error,
+                ArgumentError::UnexpectedFlag(flag) => Diagnostic::error().with_message(
                     format!(
                         "{} unexpected {}",
                         Color::Cyan.paint(&command.item),
                         Color::Green.bold().paint(&flag.item)
                     ),
                 )
-                .with_label(
-                    Label::new_primary(flag.span).with_message(
+                .with_labels(vec![
+                    Label::primary(0, flag.span).with_message(
                     format!("unexpected flag (try {} -h)", &command.item))
-                    ),
-                ArgumentError::MissingMandatoryFlag(name) => Diagnostic::new(
-                    Severity::Error,
-                    format!(
+                    ]),
+                ArgumentError::MissingMandatoryFlag(name) => Diagnostic::error().with_message(                    format!(
                         "{} requires {}{}",
                         Color::Cyan.paint(&command.item),
                         Color::Green.bold().paint("--"),
                         Color::Green.bold().paint(name)
                     ),
                 )
-                .with_label(Label::new_primary(command.span)),
-                ArgumentError::MissingMandatoryPositional(name) => Diagnostic::new(
-                    Severity::Error,
+                .with_labels(vec![Label::primary(0, command.span)]),
+                ArgumentError::MissingMandatoryPositional(name) => Diagnostic::error().with_message(
                     format!(
                         "{} requires {} parameter",
                         Color::Cyan.paint(&command.item),
                         Color::Green.bold().paint(name.clone())
                     ),
                 )
-                .with_label(
-                    Label::new_primary(command.span).with_message(format!("requires {} parameter", name)),
+                .with_labels(
+                    vec![Label::primary(0, command.span).with_message(format!("requires {} parameter", name))],
                 ),
-                ArgumentError::MissingValueForName(name) => Diagnostic::new(
-                    Severity::Error,
+                ArgumentError::MissingValueForName(name) => Diagnostic::error().with_message(
                     format!(
                         "{} is missing value for flag {}{}",
                         Color::Cyan.paint(&command.item),
@@ -498,7 +487,7 @@ impl ShellError {
                         Color::Green.bold().paint(name)
                     ),
                 )
-                .with_label(Label::new_primary(command.span)),
+                .with_labels(vec![Label::primary(0, command.span)]),
             }),
             ProximateShellError::TypeError {
                 expected,
@@ -507,9 +496,9 @@ impl ShellError {
                         item: Some(actual),
                         span,
                     },
-            } => Some(Diagnostic::new(Severity::Error, "Type Error").with_label(
-                Label::new_primary(span)
-                    .with_message(format!("Expected {}, found {}", expected, actual))),
+            } => Some(Diagnostic::error().with_message("Type Error").with_labels(
+                vec![Label::primary(0, span)
+                    .with_message(format!("Expected {}, found {}", expected, actual))]),
             ),
             ProximateShellError::TypeError {
                 expected,
@@ -518,13 +507,13 @@ impl ShellError {
                         item: None,
                         span
                     },
-            } => Some(Diagnostic::new(Severity::Error, "Type Error")
-                .with_label(Label::new_primary(span).with_message(expected))),
+            } => Some(Diagnostic::error().with_message("Type Error")
+                .with_labels(vec![Label::primary(0, span).with_message(expected)])),
 
             ProximateShellError::UnexpectedEof {
                 expected, span
-            } => Some(Diagnostic::new(Severity::Error, "Unexpected end of input".to_string())
-                .with_label(Label::new_primary(span).with_message(format!("Expected {}", expected)))),
+            } => Some(Diagnostic::error().with_message("Unexpected end of input")
+                .with_labels(vec![Label::primary(0, span).with_message(format!("Expected {}", expected))])),
 
             ProximateShellError::RangeError {
                 kind,
@@ -534,13 +523,13 @@ impl ShellError {
                         item,
                         span
                     },
-            } => Some(Diagnostic::new(Severity::Error, "Range Error").with_label(
-                Label::new_primary(span).with_message(format!(
+            } => Some(Diagnostic::error().with_message("Range Error").with_labels(
+                vec![Label::primary(0, span).with_message(format!(
                     "Expected to convert {} to {} while {}, but it was out of range",
                     item,
                     kind.display(),
                     operation
-                ))),
+                ))]),
             ),
 
             ProximateShellError::SyntaxError {
@@ -549,52 +538,55 @@ impl ShellError {
                         span,
                         item
                     },
-            } => Some(Diagnostic::new(Severity::Error, "Syntax Error")
-                .with_label(Label::new_primary(span).with_message(item))),
+            } => Some(Diagnostic::error().with_message("Syntax Error")
+                .with_labels(vec![Label::primary(0, span).with_message(item)])),
 
             ProximateShellError::MissingProperty { subpath, expr, .. } => {
 
-                let mut diag = Diagnostic::new(Severity::Error, "Missing property");
+                let mut diag = Diagnostic::error().with_message("Missing property");
 
                 if subpath.span == Span::unknown() {
                     diag.message = format!("Missing property (for {})", subpath.item);
                 } else {
-                    let subpath = Label::new_primary(subpath.span).with_message(subpath.item);
-                    diag = diag.with_label(subpath);
+                    let subpath = Label::primary(0, subpath.span).with_message(subpath.item);
+                    let mut labels = vec![];
+
+                    labels.push(subpath);
 
                     if expr.span != Span::unknown() {
-                        let expr = Label::new_primary(expr.span).with_message(expr.item);
-                        diag = diag.with_label(expr)
+                        let expr = Label::primary(0, expr.span).with_message(expr.item);
+                        labels.push(expr);
                     }
-
+                    diag = diag.with_labels(labels);
                 }
 
                 Some(diag)
             }
 
             ProximateShellError::InvalidIntegerIndex { subpath,integer } => {
-                let mut diag = Diagnostic::new(Severity::Error, "Invalid integer property");
-
+                let mut diag = Diagnostic::error().with_message("Invalid integer property");
+                let mut labels = vec![];
                 if subpath.span == Span::unknown() {
                     diag.message = format!("Invalid integer property (for {})", subpath.item)
                 } else {
-                    let label = Label::new_primary(subpath.span).with_message(subpath.item);
-                    diag = diag.with_label(label)
+                    let label = Label::primary(0, subpath.span).with_message(subpath.item);
+                    labels.push(label);
                 }
 
-                diag = diag.with_label(Label::new_secondary(integer).with_message("integer"));
+                labels.push(Label::secondary(0, integer).with_message("integer"));
+                diag = diag.with_labels(labels);
 
                 Some(diag)
             }
 
             ProximateShellError::Diagnostic(diag) => Some(diag.diagnostic),
             ProximateShellError::CoerceError { left, right } => {
-                Some(Diagnostic::new(Severity::Error, "Coercion error")
-                    .with_label(Label::new_primary(left.span).with_message(left.item))
-                    .with_label(Label::new_secondary(right.span).with_message(right.item)))
+                Some(Diagnostic::error().with_message("Coercion error")
+                    .with_labels(vec![Label::primary(0, left.span).with_message(left.item),
+                    Label::secondary(0, right.span).with_message(right.item)]))
             }
 
-            ProximateShellError::UntaggedRuntimeError { reason } => Some(Diagnostic::new(Severity::Error, format!("Error: {}", reason))),
+            ProximateShellError::UntaggedRuntimeError { reason } => Some(Diagnostic::error().with_message(format!("Error: {}", reason))),
             ProximateShellError::ExternalPlaceholderError => None,
         }
     }
@@ -605,8 +597,11 @@ impl ShellError {
         span: impl Into<Span>,
     ) -> ShellError {
         ShellError::diagnostic(
-            Diagnostic::new(Severity::Error, msg.into())
-                .with_label(Label::new_primary(span.into()).with_message(label.into())),
+            Diagnostic::error()
+                .with_message(msg.into())
+                .with_labels(vec![
+                    Label::primary(0, span.into()).with_message(label.into())
+                ]),
         )
     }
 
@@ -618,14 +613,12 @@ impl ShellError {
         secondary_span: impl Into<Span>,
     ) -> ShellError {
         ShellError::diagnostic(
-            Diagnostic::new_error(msg.into())
-                .with_label(
-                    Label::new_primary(primary_span.into()).with_message(primary_label.into()),
-                )
-                .with_label(
-                    Label::new_secondary(secondary_span.into())
-                        .with_message(secondary_label.into()),
-                ),
+            Diagnostic::error()
+                .with_message(msg.into())
+                .with_labels(vec![
+                    Label::primary(0, primary_span.into()).with_message(primary_label.into()),
+                    Label::secondary(0, secondary_span.into()).with_message(secondary_label.into()),
+                ]),
         )
     }
 
@@ -780,7 +773,7 @@ impl HasFallibleSpan for ProximateShellError {
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct ShellDiagnostic {
-    pub(crate) diagnostic: Diagnostic<Span>,
+    pub(crate) diagnostic: Diagnostic<usize>,
 }
 
 impl std::hash::Hash for ShellDiagnostic {
@@ -790,11 +783,11 @@ impl std::hash::Hash for ShellDiagnostic {
         self.diagnostic.message.hash(state);
 
         for label in &self.diagnostic.labels {
-            label.span.hash(state);
+            label.range.hash(state);
             label.message.hash(state);
             match label.style {
-                language_reporting::LabelStyle::Primary => 0.hash(state),
-                language_reporting::LabelStyle::Secondary => 1.hash(state),
+                codespan_reporting::diagnostic::LabelStyle::Primary => 0.hash(state),
+                codespan_reporting::diagnostic::LabelStyle::Secondary => 1.hash(state),
             }
         }
     }