Add push/pop support for anyref (#2376)

This adds push/pop support for anyref. This also adds missing C API
tests for push/pop.

2 files changed, 19 insertions, 5 deletions

diff --git a/src/gen-s-parser.inc b/src/gen-s-parser.inc
index 7f1958582..85702d326 100644
--- a/src/gen-s-parser.inc
+++ b/src/gen-s-parser.inc
@@ -8,13 +8,21 @@ char op[27] = {'\0'};
 strncpy(op, s[0]->c_str(), 26);
 switch (op[0]) {
   case 'a': {
-    switch (op[7]) {
-      case 'f':
-        if (strcmp(op, "atomic.fence") == 0) { return makeAtomicFence(s); }
-        goto parse_error;
+    switch (op[1]) {
       case 'n':
-        if (strcmp(op, "atomic.notify") == 0) { return makeAtomicNotify(s); }
+        if (strcmp(op, "anyref.pop") == 0) { return makePop(anyref); }
         goto parse_error;
+      case 't': {
+        switch (op[7]) {
+          case 'f':
+            if (strcmp(op, "atomic.fence") == 0) { return makeAtomicFence(s); }
+            goto parse_error;
+          case 'n':
+            if (strcmp(op, "atomic.notify") == 0) { return makeAtomicNotify(s); }
+            goto parse_error;
+          default: goto parse_error;
+        }
+      }
       default: goto parse_error;
     }
   }
diff --git a/src/js/binaryen.js-post.js b/src/js/binaryen.js-post.js
index b11d2769b..8f49b105c 100644
--- a/src/js/binaryen.js-post.js
+++ b/src/js/binaryen.js-post.js
@@ -1872,6 +1872,12 @@ function wrapModule(module, self) {
     },
   };
 
+  self['anyref'] = {
+    'pop': function() {
+      return Module['_BinaryenPop'](module, Module['anyref']);
+    }
+  };
+
   self['exnref'] = {
     'pop': function() {
       return Module['_BinaryenPop'](module, Module['exnref']);