Add support for unit structs/variants

finchie

Apr 15, 2025, 10:04 AM

ARB66QTX6V7ZDXQUZQRDQGCUS2LOIB6SKMCL4SK7TVWK3FPBSI3QC

Dependencies

• [2] YZ6PVVQC Add error handling for common unsupported Rust code
• [3] QFPQZR4K Refactor `fluent_embed`
• [4] NO3PDO7P Refactor `fluent_embed` to support structs
• [5] CESJ4CTO Move macro-specific code into `macro_impl` module
• [6] F5LG7WEN Emit compilation errors from Fluent source code
• [7] ROSR4HD5 Parse captured glob as locale
• [8] JWZT34UC Add `Localize`` trait bound for each field in the derived item
• [*] XGNME3WR Move `Group::derive_enum` to new `crate::parse_macro` module

Change contents

• replacement in fluent_embed_derive/src/macro_impl/mod.rs at line 116
  [3.1976]→[2.817:836](∅→∅)
  − _ => {
  [3.1976]

  [2.836]
  + syn::Fields::Unit => Vec::new(),

  + syn::Fields::Unnamed(_unnamed_fields) => {
• replacement in fluent_embed_derive/src/macro_impl/mod.rs at line 131
  [3.2300]→[2.1193:1393](∅→∅)
  − _ => Err(MacroError::Unsupported(UnsupportedError {

  − span: variant.ident.clone(),

  − reason: UnsupportedReason::UnnamedFields,

  − })),
  [3.2300]

  [3.2330]
  + syn::Fields::Unit => Ok(Vec::new()),

  + syn::Fields::Unnamed(_unnamed_fields) => {

  + Err(MacroError::Unsupported(UnsupportedError {

  + span: variant.ident.clone(),

  + reason: UnsupportedReason::UnnamedFields,

  + }))

  + }
• replacement in fluent_embed_derive/src/macro_impl/derive.rs at line 101
  [3.1538]→[2.2399:2414](∅→∅)
  − _ => {
  [3.1538]

  [2.2414]
  + syn::Fields::Unit => Context {

  + reference_kind: ReferenceKind::StructField,

  + valid_references: HashSet::new(),

  + },

  + syn::Fields::Unnamed(_unnamed_fields) => {
• replacement in fluent_embed_derive/src/macro_impl/derive.rs at line 160
  [3.2579]→[2.2701:2720](∅→∅)
  − _ => {
  [3.2579]

  [2.2720]
  + syn::Fields::Unit => quote!(#variant_pascal_case),

  + syn::Fields::Unnamed(_unnamed_fields) => {
• replacement in fluent_embed_derive/src/macro_impl/derive.rs at line 174
  [3.1973]→[2.2941:2960](∅→∅)
  − _ => {
  [3.1973]

  [2.2960]
  + syn::Fields::Unit => Context {

  + reference_kind: ReferenceKind::EnumField,

  + valid_references: HashSet::new(),

  + },

  + syn::Fields::Unnamed(_unnamed_fields) => {