fix wave breakage due to new stream/future/error-context types

Signed-off-by: Joel Dice <joel.dice@fermyon.com>

crates/wasmtime/src/runtime/vm/component/states.rs

@@ -17,6 +17,10 @@ enum Slot<T> {
 pub struct StateTable<T> {
     next: u32,
     slots: Vec<Slot<T>>,
+    // TODO: This is a sparse table (where zero means "no entry"); it might make
+    // more sense to use a `HashMap` here, but we'd need one that's
+    // no_std-compatible.  A `BTreeMap` might also be appropriate if we restrict
+    // ourselves to `alloc::collections`.
     reps_to_indexes: Vec<u32>,
 }
 

crates/wasmtime/src/runtime/wave/component.rs

@@ -41,7 +41,11 @@ impl WasmType for component::Type {
             Self::Result(_) => WasmTypeKind::Result,
             Self::Flags(_) => WasmTypeKind::Flags,
 
-            Self::Own(_) | Self::Borrow(_) => WasmTypeKind::Unsupported,
+            Self::Own(_)
+            | Self::Borrow(_)
+            | Self::Stream(_)
+            | Self::Future(_)
+            | Self::ErrorContext => WasmTypeKind::Unsupported,
         }
     }
 
@@ -134,7 +138,9 @@ impl WasmValue for component::Val {
             Self::Option(_) => WasmTypeKind::Option,
             Self::Result(_) => WasmTypeKind::Result,
             Self::Flags(_) => WasmTypeKind::Flags,
-            Self::Resource(_) => WasmTypeKind::Unsupported,
+            Self::Resource(_) | Self::Stream(_) | Self::Future(_) | Self::ErrorContext(_) => {
+                WasmTypeKind::Unsupported
+            }
         }
     }