diff options
Diffstat (limited to 'vendor/miette-derive/src/severity.rs')
-rw-r--r-- | vendor/miette-derive/src/severity.rs | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/vendor/miette-derive/src/severity.rs b/vendor/miette-derive/src/severity.rs deleted file mode 100644 index 4f26e4e..0000000 --- a/vendor/miette-derive/src/severity.rs +++ /dev/null @@ -1,89 +0,0 @@ -use proc_macro2::{Span, TokenStream}; -use quote::quote; -use syn::{ - parenthesized, - parse::{Parse, ParseStream}, - Token, -}; - -use crate::{ - diagnostic::{DiagnosticConcreteArgs, DiagnosticDef}, - forward::WhichFn, - utils::gen_all_variants_with, -}; - -pub struct Severity(pub syn::Ident); - -impl Parse for Severity { - fn parse(input: ParseStream) -> syn::Result<Self> { - let ident = input.parse::<syn::Ident>()?; - if ident == "severity" { - let la = input.lookahead1(); - if la.peek(syn::token::Paren) { - let content; - parenthesized!(content in input); - let la = content.lookahead1(); - if la.peek(syn::LitStr) { - let str = content.parse::<syn::LitStr>()?; - let sev = get_severity(&str.value(), str.span())?; - Ok(Severity(syn::Ident::new(&sev, str.span()))) - } else { - let ident = content.parse::<syn::Ident>()?; - let sev = get_severity(&ident.to_string(), ident.span())?; - Ok(Severity(syn::Ident::new(&sev, ident.span()))) - } - } else { - input.parse::<Token![=]>()?; - let str = input.parse::<syn::LitStr>()?; - let sev = get_severity(&str.value(), str.span())?; - Ok(Severity(syn::Ident::new(&sev, str.span()))) - } - } else { - Err(syn::Error::new( - ident.span(), - "MIETTE BUG: not a severity option", - )) - } - } -} - -fn get_severity(input: &str, span: Span) -> syn::Result<String> { - match input.to_lowercase().as_ref() { - "error" | "err" => Ok("Error".into()), - "warning" | "warn" => Ok("Warning".into()), - "advice" | "adv" | "info" => Ok("Advice".into()), - _ => Err(syn::Error::new( - span, - "Invalid severity level. Only Error, Warning, and Advice are supported.", - )), - } -} - -impl Severity { - pub(crate) fn gen_enum(variants: &[DiagnosticDef]) -> Option<TokenStream> { - gen_all_variants_with( - variants, - WhichFn::Severity, - |ident, fields, DiagnosticConcreteArgs { severity, .. }| { - let severity = &severity.as_ref()?.0; - let fields = match fields { - syn::Fields::Named(_) => quote! { { .. } }, - syn::Fields::Unnamed(_) => quote! { (..) }, - syn::Fields::Unit => quote! {}, - }; - Some( - quote! { Self::#ident #fields => std::option::Option::Some(miette::Severity::#severity), }, - ) - }, - ) - } - - pub(crate) fn gen_struct(&self) -> Option<TokenStream> { - let sev = &self.0; - Some(quote! { - fn severity(&self) -> std::option::Option<miette::Severity> { - Some(miette::Severity::#sev) - } - }) - } -} |