1 files changed, 31 insertions, 0 deletions
diff --git a/src/wasm.h b/src/wasm.h
index 5bfd151a1..357c613a7 100644
--- a/src/wasm.h
+++ b/src/wasm.h
@@ -614,6 +614,11 @@ enum StringIterMoveOp {
   StringIterMoveRewind,
 };
 
+enum StringSliceWTFOp {
+  StringSliceWTF8,
+  StringSliceWTF16,
+};
+
 //
 // Expressions
 //
@@ -720,6 +725,8 @@ public:
     StringWTF16GetId,
     StringIterNextId,
     StringIterMoveId,
+    StringSliceWTFId,
+    StringSliceIterId,
     NumExpressionIds
   };
   Id _id;
@@ -1810,6 +1817,30 @@ public:
   void finalize();
 };
 
+class StringSliceWTF : public SpecificExpression<Expression::StringSliceWTFId> {
+public:
+  StringSliceWTF(MixedArena& allocator) {}
+
+  StringSliceWTFOp op;
+
+  Expression* ref;
+  Expression* start;
+  Expression* end;
+
+  void finalize();
+};
+
+class StringSliceIter
+  : public SpecificExpression<Expression::StringSliceIterId> {
+public:
+  StringSliceIter(MixedArena& allocator) {}
+
+  Expression* ref;
+  Expression* num;
+
+  void finalize();
+};
+
 // Globals
 
 struct Named {