Add necessary parentheses for FunType as arguments in FunType.toString()

decaf-lang · Nov 1, 2019 · eeedd66 · eeedd66
1 parent 5023b54
commit eeedd66
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/src/main/java/decaf/frontend/type/FunType.java b/src/main/java/decaf/frontend/type/FunType.java
@@ -63,7 +63,11 @@ public String toString() {
         if (argTypes.isEmpty()) {
             sb.append("()");
         } else if (argTypes.size() == 1) {
-            sb.append(argTypes.get(0));
+            var arg = argTypes.get(0).toString();
+            if (argTypes.get(0).isFuncType()) {
+                arg = "(" + arg + ")";
+            }
+            sb.append(arg);
         } else {
             sb.append('(');
             for (int i = 0; i < argTypes.size(); i++) {