chore: Update hugr, fixing a rewrite error

Cargo.toml

@@ -71,7 +71,7 @@ members = ["pyrs", "compile-matcher", "taso-optimiser"]
 
 [workspace.dependencies]
 
-quantinuum-hugr = { git = "https://github.com/CQCL-DEV/hugr", rev = "660fef6e" }
+quantinuum-hugr = { git = "https://github.com/CQCL-DEV/hugr", rev = "981f4f9" }
 portgraph = { version = "0.9", features = ["serde"] }
 pyo3 = { version = "0.19" }
 itertools = { version = "0.11.0" }

benches/benchmarks/hash.rs

@@ -1,6 +1,4 @@
 use criterion::{black_box, criterion_group, AxisScale, BenchmarkId, Criterion, PlotConfiguration};
-use hugr::hugr::views::{HierarchyView, SiblingGraph};
-use hugr::HugrView;
 use tket2::circuit::CircuitHash;
 
 use super::generators::make_cnot_layers;
@@ -11,8 +9,7 @@ fn bench_hash_simple(c: &mut Criterion) {
 
     for size in [10, 100, 1_000] {
         g.bench_with_input(BenchmarkId::new("hash_simple", size), &size, |b, size| {
-            let hugr = make_cnot_layers(8, *size);
-            let circ: SiblingGraph<'_> = SiblingGraph::new(&hugr, hugr.root());
+            let circ = make_cnot_layers(8, *size);
             b.iter(|| black_box(circ.circuit_hash()))
         });
     }

src/circuit/command.rs

@@ -323,9 +323,7 @@ impl<'circ, Circ: Circuit> std::fmt::Debug for CommandIterator<'circ, Circ> {
 
 #[cfg(test)]
 mod test {
-    use hugr::hugr::views::{HierarchyView, SiblingGraph};
     use hugr::ops::OpName;
-    use hugr::HugrView;
     use itertools::Itertools;
 
     use crate::utils::build_simple_circuit;
@@ -342,14 +340,13 @@ mod test {
 
     #[test]
     fn iterate_commands() {
-        let hugr = build_simple_circuit(2, |circ| {
+        let circ = build_simple_circuit(2, |circ| {
             circ.append(T2Op::H, [0])?;
             circ.append(T2Op::CX, [0, 1])?;
             circ.append(T2Op::T, [1])?;
             Ok(())
         })
         .unwrap();
-        let circ: SiblingGraph<'_> = SiblingGraph::new(&hugr, hugr.root());
 
         assert_eq!(CommandIterator::new(&circ).count(), 3);
 

src/circuit/hash.rs

@@ -148,8 +148,7 @@ fn hash_node(circ: &impl HugrView, node: Node, state: &mut HashState) -> u64 {
 
 #[cfg(test)]
 mod test {
-    use hugr::hugr::views::{HierarchyView, SiblingGraph};
-    use hugr::{Hugr, HugrView};
+    use hugr::Hugr;
     use tket_json_rs::circuit_json;
 
     use crate::json::TKETDecode;
@@ -160,38 +159,35 @@ mod test {
 
     #[test]
     fn hash_equality() {
-        let hugr1 = build_simple_circuit(2, |circ| {
+        let circ1 = build_simple_circuit(2, |circ| {
             circ.append(T2Op::H, [0])?;
             circ.append(T2Op::T, [1])?;
             circ.append(T2Op::CX, [0, 1])?;
             Ok(())
         })
         .unwrap();
-        let circ1: SiblingGraph<'_> = SiblingGraph::new(&hugr1, hugr1.root());
         let hash1 = circ1.circuit_hash();
 
         // A circuit built in a different order should have the same hash
-        let hugr2 = build_simple_circuit(2, |circ| {
+        let circ2 = build_simple_circuit(2, |circ| {
             circ.append(T2Op::T, [1])?;
             circ.append(T2Op::H, [0])?;
             circ.append(T2Op::CX, [0, 1])?;
             Ok(())
         })
         .unwrap();
-        let circ2: SiblingGraph<'_> = SiblingGraph::new(&hugr2, hugr2.root());
         let hash2 = circ2.circuit_hash();
 
         assert_eq!(hash1, hash2);
 
         // Inverting the CX control and target should produce a different hash
-        let hugr3 = build_simple_circuit(2, |circ| {
+        let circ3 = build_simple_circuit(2, |circ| {
             circ.append(T2Op::T, [1])?;
             circ.append(T2Op::H, [0])?;
             circ.append(T2Op::CX, [1, 0])?;
             Ok(())
         })
         .unwrap();
-        let circ3: SiblingGraph<'_> = SiblingGraph::new(&hugr3, hugr3.root());
         let hash3 = circ3.circuit_hash();
 
         assert_ne!(hash1, hash3);

src/json/tests.rs

@@ -2,9 +2,7 @@
 
 use std::collections::HashSet;
 
-use hugr::hugr::views::{HierarchyView, SiblingGraph};
-use hugr::ops::handle::DfgID;
-use hugr::{Hugr, HugrView};
+use hugr::Hugr;
 use rstest::rstest;
 use tket_json_rs::circuit_json::{self, SerialCircuit};
 
@@ -58,8 +56,7 @@ fn json_roundtrip(#[case] circ_s: &str, #[case] num_commands: usize, #[case] num
     let ser: circuit_json::SerialCircuit = serde_json::from_str(circ_s).unwrap();
     assert_eq!(ser.commands.len(), num_commands);
 
-    let hugr: Hugr = ser.clone().decode().unwrap();
-    let circ: SiblingGraph<'_, DfgID> = SiblingGraph::new(&hugr, hugr.root());
+    let circ: Hugr = ser.clone().decode().unwrap();
 
     assert_eq!(circ.qubit_count(), num_qubits);
 

src/ops.rs

@@ -26,6 +26,8 @@ use thiserror::Error;
 #[cfg(feature = "pyo3")]
 use pyo3::pyclass;
 
+use crate::extension::REGISTRY;
+
 /// Name of tket 2 extension.
 pub const EXTENSION_ID: ExtensionId = ExtensionId::new_unchecked("quantum.tket2");
 
@@ -201,6 +203,7 @@ pub fn symbolic_constant_op(s: &str) -> OpType {
             vec![TypeArg::Opaque {
                 arg: CustomTypeArg::new(SYM_EXPR_T.clone(), value).unwrap(),
             }],
+            &REGISTRY,
         )
         .unwrap()
         .into();
@@ -274,7 +277,7 @@ pub static ref EXTENSION: Extension = {
 impl From<T2Op> for LeafOp {
     fn from(op: T2Op) -> Self {
         EXTENSION
-            .instantiate_extension_op(op.name(), [])
+            .instantiate_extension_op(op.name(), [], &REGISTRY)
             .unwrap()
             .into()
     }
@@ -322,8 +325,7 @@ pub(crate) mod test {
 
     use std::sync::Arc;
 
-    use hugr::hugr::views::HierarchyView;
-    use hugr::{extension::OpDef, hugr::views::SiblingGraph, ops::handle::DfgID, Hugr, HugrView};
+    use hugr::{extension::OpDef, Hugr};
     use rstest::{fixture, rstest};
 
     use crate::{circuit::Circuit, ops::SimpleOpEnum, utils::build_simple_circuit};
@@ -354,8 +356,6 @@ pub(crate) mod test {
 
     #[rstest]
     fn check_t2_bell(t2_bell_circuit: Hugr) {
-        let circ: SiblingGraph<'_, DfgID> =
-            SiblingGraph::new(&t2_bell_circuit, t2_bell_circuit.root());
-        assert_eq!(circ.commands().count(), 2);
+        assert_eq!(t2_bell_circuit.commands().count(), 2);
     }
 }

src/portmatching/pyo3.rs

@@ -4,9 +4,7 @@ use std::fmt;
 
 use derive_more::{From, Into};
 use hugr::hugr::views::sibling_subgraph::PyInvalidReplacementError;
-use hugr::hugr::views::{DescendantsGraph, HierarchyView};
-use hugr::ops::handle::DfgID;
-use hugr::{Hugr, HugrView, Port};
+use hugr::{Hugr, Port};
 use itertools::Itertools;
 use portmatching::{HashMap, PatternID};
 use pyo3::{prelude::*, types::PyIterator};
@@ -22,8 +20,7 @@ impl CircuitPattern {
     /// Construct a pattern from a TKET1 circuit
     #[new]
     pub fn py_from_circuit(circ: PyObject) -> PyResult<CircuitPattern> {
-        let hugr = pyobj_as_hugr(circ)?;
-        let circ = hugr_as_view(&hugr);
+        let circ = pyobj_as_hugr(circ)?;
         let pattern = CircuitPattern::try_from_circuit(&circ)?;
         Ok(pattern)
     }
@@ -54,8 +51,7 @@ impl PatternMatcher {
     /// Find all convex matches in a circuit.
     #[pyo3(name = "find_matches")]
     pub fn py_find_matches(&self, circ: PyObject) -> PyResult<Vec<PyPatternMatch>> {
-        let hugr = pyobj_as_hugr(circ)?;
-        let circ = hugr_as_view(&hugr);
+        let circ = pyobj_as_hugr(circ)?;
         self.find_matches(&circ)
             .into_iter()
             .map(|m| {
@@ -160,8 +156,7 @@ impl PyPatternMatch {
 
     /// Convert the pattern into a [`CircuitRewrite`].
     pub fn to_rewrite(&self, circ: PyObject, replacement: PyObject) -> PyResult<CircuitRewrite> {
-        let hugr = pyobj_as_hugr(circ)?;
-        let circ = hugr_as_view(&hugr);
+        let circ = pyobj_as_hugr(circ)?;
         let inputs = self
             .inputs
             .iter()
@@ -176,7 +171,7 @@ impl PyPatternMatch {
             outputs,
         )
         .expect("Invalid PyCircuitMatch object")
-        .to_rewrite(&hugr, pyobj_as_hugr(replacement)?)?;
+        .to_rewrite(&circ, pyobj_as_hugr(replacement)?)?;
         Ok(rewrite)
     }
 }
@@ -207,7 +202,3 @@ fn pyobj_as_hugr(circ: PyObject) -> PyResult<Hugr> {
     let hugr: Hugr = ser_c.decode()?;
     Ok(hugr)
 }
-
-fn hugr_as_view(hugr: &Hugr) -> DescendantsGraph<'_, DfgID> {
-    DescendantsGraph::new(hugr, hugr.root())
-}

src/rewrite/ecc_rewriter.rs

@@ -17,11 +17,7 @@ use itertools::Itertools;
 use portmatching::PatternID;
 use std::path::Path;
 
-use hugr::{
-    hugr::views::{HierarchyView, SiblingGraph},
-    ops::handle::DfgID,
-    Hugr, HugrView,
-};
+use hugr::Hugr;
 
 use crate::{
     circuit::Circuit,
@@ -138,13 +134,9 @@ fn get_rewrite_rules(rep_sets: &[EqCircClass]) -> Vec<Vec<TargetID>> {
 }
 
 fn get_patterns(rep_sets: &[EqCircClass]) -> Vec<Option<CircuitPattern>> {
-    let all_hugrs = rep_sets.iter().flat_map(|rs| rs.circuits());
-    let all_circs = all_hugrs
-        .map(|hugr| SiblingGraph::<DfgID>::new(hugr, hugr.root()))
-        // TODO: resolve lifetime issues to avoid collecting to vec
-        .collect_vec();
-    all_circs
+    rep_sets
         .iter()
+        .flat_map(|rs| rs.circuits())
         .map(|circ| CircuitPattern::try_from_circuit(circ).ok())
         .collect()
 }