Update wasmIntConst to use exhaustive check

1 files changed, 11 insertions, 8 deletions

diff --git a/src/main/java/org/shedlang/compiler/backends/wasm/PatioToWasm.java b/src/main/java/org/shedlang/compiler/backends/wasm/PatioToWasm.java
index 707d9a87..6d9bf4da 100644
--- a/src/main/java/org/shedlang/compiler/backends/wasm/PatioToWasm.java
+++ b/src/main/java/org/shedlang/compiler/backends/wasm/PatioToWasm.java
@@ -816,14 +816,17 @@ public class PatioToWasm {
     }
 
     private static WasmInstruction wasmIntConst(WasmValueType wasmValueType, int value) {
-        // TODO: find a better way of doing this. Turn the number types into an enum?
-        if (wasmValueType == WasmValueType.I32) {
-            return new WasmI32Const(value);
-        } else if (wasmValueType == WasmValueType.I64) {
-            return new WasmI64Const(value);
-        } else {
-            throw new IllegalArgumentException("Cannot create int const for " + wasmValueType);
-        }
+        return switch (wasmValueType) {
+            case WasmValueType.Number number -> {
+                yield switch (number.type()) {
+                    case I32 -> new WasmI32Const(value);
+                    case I64 -> new WasmI64Const(value);
+                    case F32, F64 -> {
+                        throw new IllegalArgumentException("Cannot create int const for " + number);
+                    }
+                };
+            }
+        };
     }
 
     private static WasmInstruction wasmIntEq(WasmValueType wasmValueType) {