format: Fix bad formatting with mixed or pipes (#1639)

* format: Fix bad formatting with mixed or pipes

* format

tests/wake-format/basic/basic.wake

@@ -1498,3 +1498,4 @@ def a = a |> b |> c
 def a = a |< b |< c 
 def a = a |> b |< c 
 def a = a |< b |> c 
+def a = a | b |> c | c |< d 

tests/wake-format/basic/stdout

@@ -1802,3 +1802,10 @@ def a =
     a
     |< b
     |> c
+
+def a =
+    a
+    | b
+    |> c
+    | c
+    |< d

tools/wake-format/emitter.cpp

@@ -1389,8 +1389,10 @@ wcl::doc Emitter::walk_binary(ctx_t ctx, CSTElement node) {
   std::vector<CSTElement> parts = {};
   if (is_op_left_assoc(op_token)) {
     if (is_binop_matching_str(op_token, TOKEN_OP_OR, "|>") ||
-        is_binop_matching_str(op_token, TOKEN_OP_OR, "|<")) {
-      parts = collect_left_binary({{TOKEN_OP_OR, "|>"}, {TOKEN_OP_OR, "|<"}}, node);
+        is_binop_matching_str(op_token, TOKEN_OP_OR, "|<") ||
+        is_binop_matching_str(op_token, TOKEN_OP_OR, "|")) {
+      parts =
+          collect_left_binary({{TOKEN_OP_OR, "|>"}, {TOKEN_OP_OR, "|<"}, {TOKEN_OP_OR, "|"}}, node);
     } else {
       parts = collect_left_binary({{op_token.id(), op_token.fragment().segment().str()}}, node);
     }