diff options
Diffstat (limited to 'crates/typst-macros/src/lib.rs')
| -rw-r--r-- | crates/typst-macros/src/lib.rs | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/crates/typst-macros/src/lib.rs b/crates/typst-macros/src/lib.rs index 87048ee5..28d02a6e 100644 --- a/crates/typst-macros/src/lib.rs +++ b/crates/typst-macros/src/lib.rs @@ -5,22 +5,15 @@ extern crate proc_macro; #[macro_use] mod util; mod cast; +mod category; mod elem; mod func; mod scope; mod symbols; mod ty; -use heck::*; use proc_macro::TokenStream as BoundaryStream; -use proc_macro2::TokenStream; -use quote::quote; -use syn::ext::IdentExt; -use syn::parse::{Parse, ParseStream, Parser}; -use syn::punctuated::Punctuated; -use syn::{parse_quote, DeriveInput, Ident, Result, Token}; - -use self::util::*; +use syn::DeriveInput; /// Makes a native Rust function usable as a Typst function. /// @@ -190,9 +183,6 @@ pub fn ty(stream: BoundaryStream, item: BoundaryStream) -> BoundaryStream { /// - `#[synthesized]`: The field cannot be specified in a constructor or set /// rule. Instead, it is added to an element before its show rule runs /// through the `Synthesize` trait. -/// - `#[variant]`: Allows setting the ID of a field's variant. This is used -/// for fields that are accessed in `typst` and not `typst-library`. It gives -/// the field a stable ID that can be used to access it. /// - `#[ghost]`: Allows creating fields that are only present in the style chain, /// this means that they *cannot* be accessed by the user, they cannot be set /// on an individual instantiated element, and must be set via the style chain. @@ -256,6 +246,15 @@ pub fn scope(stream: BoundaryStream, item: BoundaryStream) -> BoundaryStream { .into() } +/// Defines a category of definitions. +#[proc_macro_attribute] +pub fn category(stream: BoundaryStream, item: BoundaryStream) -> BoundaryStream { + let item = syn::parse_macro_input!(item as syn::Item); + category::category(stream.into(), item) + .unwrap_or_else(|err| err.to_compile_error()) + .into() +} + /// Implements `Reflect`, `FromValue`, and `IntoValue` for a type. /// /// - `Reflect` makes Typst's runtime aware of the type's characteristics. |