1 files changed, 19 insertions, 0 deletions
diff --git a/src/wasm.h b/src/wasm.h
index 092ffb7de..1cb0b381b 100644
--- a/src/wasm.h
+++ b/src/wasm.h
@@ -596,6 +596,12 @@ enum StringMeasureOp {
   StringMeasureWTF16,
 };
 
+enum StringEncodeOp {
+  StringEncodeUTF8,
+  StringEncodeWTF8,
+  StringEncodeWTF16,
+};
+
 //
 // Expressions
 //
@@ -694,6 +700,7 @@ public:
     StringNewId,
     StringConstId,
     StringMeasureId,
+    StringEncodeId,
     NumExpressionIds
   };
   Id _id;
@@ -1695,6 +1702,18 @@ public:
   void finalize();
 };
 
+class StringEncode : public SpecificExpression<Expression::StringEncodeId> {
+public:
+  StringEncode(MixedArena& allocator) {}
+
+  StringEncodeOp op;
+
+  Expression* ref;
+  Expression* ptr;
+
+  void finalize();
+};
+
 // Globals
 
 struct Named {