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Add the replaced context derivation for same-level remaps

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Dennis Kobert
2026-08-17 14:47:41 +00:00
parent 586737247e
commit b7413dd22c
1 changed files with 17 additions and 0 deletions
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17
node-graph/libraries/core-types/src/context.rs
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@@ -734,6 +734,7 @@ pub trait DeriveCtx {
fn varargs_head(&self) -> Option<&VarArgLink<'_>>;
fn promoted<'s>(&'s self, spilled_head: &'s IndexLink<'s>, inner_index: u64) -> Derived<'s, Self>;
fn push_level<'s>(&'s self, frame: &'s mut IndexLink<'s>, copy: u64, inner: u64) -> Derived<'s, Self>;
fn replaced<'s>(&'s self, inner_index: u64) -> Derived<'s, Self>;
fn with_footprint<'s>(&'s self, footprint: &'s Footprint) -> Derived<'s, Self>;
fn with_varargs<'s>(&'s self, varargs: &'s VarArgLink<'s>) -> Derived<'s, Self>;
fn with_position<'s>(&'s self, position: &'s PositionLink<'s>) -> Derived<'s, Self>;
@@ -1017,6 +1018,18 @@ impl<'a> ContextImpl<'a> {
frame.outer = self.index.outer;
self.promoted(frame, inner)
}
/// Derives the context with the innermost index replaced and the chain
/// above it preserved: the remap primitive for same-level extent changes.
pub fn replaced(&self, inner_index: u64) -> ContextImpl<'a> {
ContextImpl {
index: IndexLink {
index: inner_index,
outer: self.index.outer,
},
..*self
}
}
}
impl Ctx for ContextImpl<'_> {}
@@ -1128,6 +1141,10 @@ impl<'a> DeriveCtx for ContextImpl<'a> {
ContextImpl::push_level(self, frame, copy, inner)
}
fn replaced<'s>(&'s self, inner_index: u64) -> ContextImpl<'s> {
ContextImpl::replaced(self, inner_index)
}
fn with_footprint<'s>(&'s self, footprint: &'s Footprint) -> ContextImpl<'s> {
ContextImpl::with_footprint(self, footprint)
}