Add a way to remove function types to Binaryen-C/.js (#1536)

1 files changed, 17 insertions, 0 deletions

diff --git a/src/binaryen-c.cpp b/src/binaryen-c.cpp
index 53daef977..4dd306bd3 100644
--- a/src/binaryen-c.cpp
+++ b/src/binaryen-c.cpp
@@ -226,6 +226,23 @@ BinaryenFunctionTypeRef BinaryenAddFunctionType(BinaryenModuleRef module, const
 
   return ret;
 }
+void BinaryenRemoveFunctionType(BinaryenModuleRef module, const char* name) {
+  if (tracing) {
+    std::cout << "  BinaryenRemoveFunctionType(the_module, ";
+    traceNameOrNULL(name);
+    std::cout << ");\n";
+  }
+
+  auto* wasm = (Module*)module;
+  assert(name != NULL);
+
+  // Lock. This can be called from multiple threads at once, and is a
+  // point where they all access and modify the module.
+  {
+    std::lock_guard<std::mutex> lock(BinaryenFunctionTypeMutex);
+    wasm->removeFunctionType(name);
+  }
+}
 
 BinaryenLiteral BinaryenLiteralInt32(int32_t x) { return toBinaryenLiteral(Literal(x)); }
 BinaryenLiteral BinaryenLiteralInt64(int64_t x) { return toBinaryenLiteral(Literal(x)); }