From a990de90fe41456a23e58bd087d2f107d321f3a1 Mon Sep 17 00:00:00 2001
From: Valentin Popov <valentin@popov.link>
Date: Fri, 19 Jul 2024 16:37:58 +0400
Subject: Deleted vendor folder

---
 vendor/miette-derive/src/label.rs | 207 --------------------------------------
 1 file changed, 207 deletions(-)
 delete mode 100644 vendor/miette-derive/src/label.rs

(limited to 'vendor/miette-derive/src/label.rs')

diff --git a/vendor/miette-derive/src/label.rs b/vendor/miette-derive/src/label.rs
deleted file mode 100644
index e0bc70a..0000000
--- a/vendor/miette-derive/src/label.rs
+++ /dev/null
@@ -1,207 +0,0 @@
-use proc_macro2::TokenStream;
-use quote::{format_ident, quote};
-use syn::{
-    parenthesized,
-    parse::{Parse, ParseStream},
-    spanned::Spanned,
-    Token,
-};
-
-use crate::{
-    diagnostic::{DiagnosticConcreteArgs, DiagnosticDef},
-    fmt::{self, Display},
-    forward::WhichFn,
-    utils::{display_pat_members, gen_all_variants_with},
-};
-
-pub struct Labels(Vec<Label>);
-
-struct Label {
-    label: Option<Display>,
-    ty: syn::Type,
-    span: syn::Member,
-}
-
-struct LabelAttr {
-    label: Option<Display>,
-}
-
-impl Parse for LabelAttr {
-    fn parse(input: ParseStream) -> syn::Result<Self> {
-        // Skip a token.
-        // This should receive one of:
-        // - label = "..."
-        // - label("...")
-        let _ = input.step(|cursor| {
-            if let Some((_, next)) = cursor.token_tree() {
-                Ok(((), next))
-            } else {
-                Err(cursor.error("unexpected empty attribute"))
-            }
-        });
-        let la = input.lookahead1();
-        let label = if la.peek(syn::token::Paren) {
-            // #[label("{}", x)]
-            let content;
-            parenthesized!(content in input);
-            if content.peek(syn::LitStr) {
-                let fmt = content.parse()?;
-                let args = if content.is_empty() {
-                    TokenStream::new()
-                } else {
-                    fmt::parse_token_expr(&content, false)?
-                };
-                let display = Display {
-                    fmt,
-                    args,
-                    has_bonus_display: false,
-                };
-                Some(display)
-            } else {
-                return Err(syn::Error::new(input.span(), "Invalid argument to label() attribute. The first argument must be a literal string."));
-            }
-        } else if la.peek(Token![=]) {
-            // #[label = "blabla"]
-            input.parse::<Token![=]>()?;
-            Some(Display {
-                fmt: input.parse()?,
-                args: TokenStream::new(),
-                has_bonus_display: false,
-            })
-        } else {
-            None
-        };
-        Ok(LabelAttr { label })
-    }
-}
-
-impl Labels {
-    pub fn from_fields(fields: &syn::Fields) -> syn::Result<Option<Self>> {
-        match fields {
-            syn::Fields::Named(named) => Self::from_fields_vec(named.named.iter().collect()),
-            syn::Fields::Unnamed(unnamed) => {
-                Self::from_fields_vec(unnamed.unnamed.iter().collect())
-            }
-            syn::Fields::Unit => Ok(None),
-        }
-    }
-
-    fn from_fields_vec(fields: Vec<&syn::Field>) -> syn::Result<Option<Self>> {
-        let mut labels = Vec::new();
-        for (i, field) in fields.iter().enumerate() {
-            for attr in &field.attrs {
-                if attr.path().is_ident("label") {
-                    let span = if let Some(ident) = field.ident.clone() {
-                        syn::Member::Named(ident)
-                    } else {
-                        syn::Member::Unnamed(syn::Index {
-                            index: i as u32,
-                            span: field.span(),
-                        })
-                    };
-                    use quote::ToTokens;
-                    let LabelAttr { label } =
-                        syn::parse2::<LabelAttr>(attr.meta.to_token_stream())?;
-                    labels.push(Label {
-                        label,
-                        span,
-                        ty: field.ty.clone(),
-                    });
-                }
-            }
-        }
-        if labels.is_empty() {
-            Ok(None)
-        } else {
-            Ok(Some(Labels(labels)))
-        }
-    }
-
-    pub(crate) fn gen_struct(&self, fields: &syn::Fields) -> Option<TokenStream> {
-        let (display_pat, display_members) = display_pat_members(fields);
-        let labels = self.0.iter().map(|highlight| {
-            let Label { span, label, ty } = highlight;
-            let var = quote! { __miette_internal_var };
-            if let Some(display) = label {
-                let (fmt, args) = display.expand_shorthand_cloned(&display_members);
-                quote! {
-                    miette::macro_helpers::OptionalWrapper::<#ty>::new().to_option(&self.#span)
-                    .map(|#var| miette::LabeledSpan::new_with_span(
-                        std::option::Option::Some(format!(#fmt #args)),
-                        #var.clone(),
-                    ))
-                }
-            } else {
-                quote! {
-                    miette::macro_helpers::OptionalWrapper::<#ty>::new().to_option(&self.#span)
-                    .map(|#var| miette::LabeledSpan::new_with_span(
-                        std::option::Option::None,
-                        #var.clone(),
-                    ))
-                }
-            }
-        });
-        Some(quote! {
-            #[allow(unused_variables)]
-            fn labels(&self) -> std::option::Option<std::boxed::Box<dyn std::iter::Iterator<Item = miette::LabeledSpan> + '_>> {
-                use miette::macro_helpers::ToOption;
-                let Self #display_pat = self;
-                std::option::Option::Some(Box::new(vec![
-                    #(#labels),*
-                ].into_iter().filter(Option::is_some).map(Option::unwrap)))
-            }
-        })
-    }
-
-    pub(crate) fn gen_enum(variants: &[DiagnosticDef]) -> Option<TokenStream> {
-        gen_all_variants_with(
-            variants,
-            WhichFn::Labels,
-            |ident, fields, DiagnosticConcreteArgs { labels, .. }| {
-                let (display_pat, display_members) = display_pat_members(fields);
-                labels.as_ref().and_then(|labels| {
-                    let variant_labels = labels.0.iter().map(|label| {
-                        let Label { span, label, ty } = label;
-                        let field = match &span {
-                            syn::Member::Named(ident) => ident.clone(),
-                            syn::Member::Unnamed(syn::Index { index, .. }) => {
-                                format_ident!("_{}", index)
-                            }
-                        };
-                        let var = quote! { __miette_internal_var };
-                        if let Some(display) = label {
-                            let (fmt, args) = display.expand_shorthand_cloned(&display_members);
-                            quote! {
-                                miette::macro_helpers::OptionalWrapper::<#ty>::new().to_option(#field)
-                                .map(|#var| miette::LabeledSpan::new_with_span(
-                                    std::option::Option::Some(format!(#fmt #args)),
-                                    #var.clone(),
-                                ))
-                            }
-                        } else {
-                            quote! {
-                                miette::macro_helpers::OptionalWrapper::<#ty>::new().to_option(#field)
-                                .map(|#var| miette::LabeledSpan::new_with_span(
-                                    std::option::Option::None,
-                                    #var.clone(),
-                                ))
-                            }
-                        }
-                    });
-                    let variant_name = ident.clone();
-                    match &fields {
-                        syn::Fields::Unit => None,
-                        _ => Some(quote! {
-                            Self::#variant_name #display_pat => {
-                                use miette::macro_helpers::ToOption;
-                                std::option::Option::Some(std::boxed::Box::new(vec![
-                                    #(#variant_labels),*
-                                ].into_iter().filter(Option::is_some).map(Option::unwrap)))
-                            }
-                        }),
-                    }
-                })
-            },
-        )
-    }
-}
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