Improve name mangling of asm.js identifiers (#1433)

Also refactors mangling to its own file so it can be reused by generators and consumers, i.e., where it is important to know that an import must be named 'switch_' where it otherwise would be 'switch'.

* Update tests and JS dist files

1 files changed, 30 insertions, 0 deletions

diff --git a/src/asmjs/asmangle.h b/src/asmjs/asmangle.h
new file mode 100644
index 000000000..161101c07
--- /dev/null
+++ b/src/asmjs/asmangle.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2018 WebAssembly Community Group participants
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef wasm_asmjs_asmangle_h
+#define wasm_asmjs_asmangle_h
+
+#include <string>
+
+
+namespace wasm {
+
+  // Mangles a WebAssembly name to a valid JavaScript identifier.
+  std::string asmangle(std::string name);
+
+} // namespace wasm
+
+#endif // wasm_asmjs_asmangle_h