working on deduce_resets

crates/fayalite/src/module/transform/deduce_resets.rs

@@ -20,7 +20,7 @@ use crate::{
     },
     prelude::*,
 };
-use std::{convert::Infallible, fmt};
+use std::{convert::Infallible, fmt, mem};
 
 #[derive(Debug)]
 pub enum DeduceResetsError {
@@ -415,17 +415,62 @@ impl RunProcessStep<AddEdgesToGraphStep> for ConnectAndLhsInstantiatedModule {
             source_location,
         } = self;
         match Expr::ty(lhs) {
-            CanonicalType::UInt(ty) => todo!(),
-            CanonicalType::SInt(ty) => todo!(),
-            CanonicalType::Bool(ty) => todo!(),
+            CanonicalType::UInt(_) => {}
+            CanonicalType::SInt(_) => {}
+            CanonicalType::Bool(_) => {}
             CanonicalType::AsyncReset(ty) => todo!(),
             CanonicalType::SyncReset(ty) => todo!(),
             CanonicalType::Reset(ty) => todo!(),
-            CanonicalType::Clock(ty) => todo!(),
+            CanonicalType::Clock(_) => {}
             CanonicalType::Array(ty) => todo!(),
-            CanonicalType::Enum(ty) => todo!(),
-            CanonicalType::Bundle(ty) => todo!(),
+            CanonicalType::Enum(ty) => {
+                for (variant_index, EnumVariant { ty, .. }) in ty.variants().into_iter().enumerate()
+                {
+                    if ty.is_none() {
+                        continue;
+                    }
+                    let lhs =
+                        ops::VariantAccess::new_by_index(Expr::from_canonical(lhs), variant_index)
+                            .to_expr();
+                    let rhs =
+                        ops::VariantAccess::new_by_index(Expr::from_canonical(rhs), variant_index)
+                            .to_expr();
+                    ConnectAndLhsInstantiatedModule {
+                        lhs_instantiated_module,
+                        lhs,
+                        rhs,
+                        source_location,
+                    }
+                    .run_process_step(rhs_instantiated_module, state, step)?;
+                }
+            }
+            CanonicalType::Bundle(ty) => {
+                for (field_index, BundleField { flipped, .. }) in
+                    ty.fields().into_iter().enumerate()
+                {
+                    let mut lhs =
+                        ops::FieldAccess::new_by_index(Expr::from_canonical(lhs), field_index)
+                            .to_expr();
+                    let mut rhs =
+                        ops::FieldAccess::new_by_index(Expr::from_canonical(rhs), field_index)
+                            .to_expr();
+                    let mut lhs_instantiated_module = lhs_instantiated_module;
+                    let mut rhs_instantiated_module = rhs_instantiated_module;
+                    if flipped {
+                        mem::swap(&mut lhs, &mut rhs);
+                        mem::swap(&mut lhs_instantiated_module, &mut rhs_instantiated_module);
+                    }
+                    ConnectAndLhsInstantiatedModule {
+                        lhs_instantiated_module,
+                        lhs,
+                        rhs,
+                        source_location,
+                    }
+                    .run_process_step(rhs_instantiated_module, state, step)?;
+                }
+            }
         }
+        Ok(Processed(()))
     }
 }