fork/Graphite
1
0
Fork 0
mirror of https://github.com/GraphiteEditor/Graphite.git synced 2026-09-15 22:28:10 +08:00
Code Issues Packages Projects Releases Wiki Activity

Emit declarative LayoutMeta from the node macro into registry entries

Browse Source
This commit is contained in:
Dennis Kobert
2026-08-11 20:08:45 +00:00
parent 557f8020bb
commit b6f73b0691
5 changed files with 89 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
node-graph/node-macro/src/codegen.rs
View File

@@ -1741,6 +1741,23 @@ pub(crate) fn generate_node_impl(crate_ident: &CrateIdent, parsed: &ParsedNodeFn
}
},
};
let layout_meta_fn = format_ident!("{}_layout_meta", fn_name);
let carrier_present = !shape.skips_carrier();
let element_spec = match &shape.element_write {
Some(ty) => quote!(#core_types::record::ElementSpec::Concrete(#core_types::record::element_write::<#ty>())),
None => quote!(#core_types::record::ElementSpec::Carried),
};
let layout_meta_def = quote! {
#vis fn #layout_meta_fn() -> #core_types::record::LayoutMeta {
#core_types::record::LayoutMeta {
carrier: #carrier_present,
element: #element_spec,
writes: ::std::vec![#(#write_descs),*],
removes: ::std::vec![#(#remove_pairs),*],
level_delta: 0,
}
}
};
let reading_secondaries = reading_secondary_indices(&regular_fields, shape);
let edge_args = regular_fields.iter().zip(&node_generics).map(|(field, generic)| {
let name = &field.pat_ident.ident;
@@ -1790,6 +1807,7 @@ pub(crate) fn generate_node_impl(crate_ident: &CrateIdent, parsed: &ParsedNodeFn
let write_names = (0..shape.write_markers.len()).map(|index| format_ident!("__write_{index}")).map(|slot| quote!(#slot,));
quote! {
#layout_def
#layout_meta_def
#[automatically_derived]
impl<#(#data_field_generic_idents,)* #(#node_generics,)*> #mod_name::#struct_name<#(#struct_type_params,)*> {

12
node-graph/node-macro/src/codegen/entries.rs
View File

@@ -56,6 +56,7 @@ fn flip_entries_tokens(parsed: &ParsedNodeFn, struct_name: &Ident, regular_field
let arity = regular_fields.len();
let names: Vec<&Ident> = regular_fields.iter().map(|field| &field.pat_ident.ident).collect();
let node_underscores: Vec<TokenStream2> = regular_fields.iter().map(|_| quote!(_)).collect();
let carrier_present = flip_carrier(parsed);
// Shorthand associated types in the output only resolve against the
// generics' bounds, so rows name the output through a bounded alias. Only
@@ -144,6 +145,13 @@ fn flip_entries_tokens(parsed: &ParsedNodeFn, struct_name: &Ident, regular_field
});
Some(quote! {
gcore::registry::RegistryEntry {
layout_meta: Some(gcore::record::LayoutMeta {
carrier: #carrier_present,
element: gcore::record::ElementSpec::Concrete(gcore::record::element_write::<#row_output>()),
writes: ::std::vec::Vec::new(),
removes: ::std::vec::Vec::new(),
level_delta: 0,
}),
io: gcore::registry::NodeIOTypes::new(
gcore::concrete!(gcore::context::ContextImpl<'static>),
gcore::registry::record_type::<#row_output>(),
@@ -273,6 +281,7 @@ fn routing_entries_tokens(parsed: &ParsedNodeFn, struct_name: &Ident, regular_fi
quote! {
pub fn #entries_name() -> ::std::vec::Vec<gcore::registry::RegistryEntry> {
vec![gcore::registry::RegistryEntry {
layout_meta: None,
io: gcore::registry::NodeIOTypes::new(
gcore::concrete!(gcore::context::ContextImpl<'static>),
gcore::Type::Record(Box::new(gcore::Type::Generic(::std::borrow::Cow::Borrowed(#token_name)))),
@@ -353,6 +362,7 @@ fn record_opaque_entries_tokens(parsed: &ParsedNodeFn, struct_name: &Ident, regu
quote! {
pub fn #entries_name() -> ::std::vec::Vec<gcore::registry::RegistryEntry> {
vec![gcore::registry::RegistryEntry {
layout_meta: None,
io: gcore::registry::NodeIOTypes::new(
gcore::concrete!(gcore::context::ContextImpl<'static>),
gcore::Type::Record(Box::new(gcore::Type::Generic(::std::borrow::Cow::Borrowed("T")))),
@@ -464,9 +474,11 @@ fn record_entries_tokens(parsed: &ParsedNodeFn, struct_name: &Ident, regular_fie
(_, None) => unreachable!("non-token record nodes write an element"),
};
let layout_meta_fn = format_ident!("{}_layout_meta", fn_name);
quote! {
pub fn #entries_name() -> ::std::vec::Vec<gcore::registry::RegistryEntry> {
vec![gcore::registry::RegistryEntry {
layout_meta: Some(self::#layout_meta_fn()),
io: gcore::registry::NodeIOTypes::new(
gcore::concrete!(gcore::context::ContextImpl<'static>),
#io_output,