1 files changed, 42 insertions, 0 deletions
diff --git a/vendor/miette-derive/src/diagnostic_arg.rs b/vendor/miette-derive/src/diagnostic_arg.rs
new file mode 100644
index 0000000..bade6f0
--- /dev/null
+++ b/vendor/miette-derive/src/diagnostic_arg.rs
@@ -0,0 +1,42 @@
+use syn::parse::{Parse, ParseStream};
+
+use crate::code::Code;
+use crate::forward::Forward;
+use crate::help::Help;
+use crate::severity::Severity;
+use crate::url::Url;
+
+pub enum DiagnosticArg {
+    Transparent,
+    Code(Code),
+    Severity(Severity),
+    Help(Help),
+    Url(Url),
+    Forward(Forward),
+}
+
+impl Parse for DiagnosticArg {
+    fn parse(input: ParseStream) -> syn::Result<Self> {
+        let ident = input.fork().parse::<syn::Ident>()?;
+        if ident == "transparent" {
+            // consume the token
+            let _: syn::Ident = input.parse()?;
+            Ok(DiagnosticArg::Transparent)
+        } else if ident == "forward" {
+            Ok(DiagnosticArg::Forward(input.parse()?))
+        } else if ident == "code" {
+            Ok(DiagnosticArg::Code(input.parse()?))
+        } else if ident == "severity" {
+            Ok(DiagnosticArg::Severity(input.parse()?))
+        } else if ident == "help" {
+            Ok(DiagnosticArg::Help(input.parse()?))
+        } else if ident == "url" {
+            Ok(DiagnosticArg::Url(input.parse()?))
+        } else {
+            Err(syn::Error::new(
+                ident.span(),
+                "Unrecognized diagnostic option",
+            ))
+        }
+    }
+}