1 files changed, 16 insertions, 4 deletions
diff --git a/src/wasm/wasm-io.cpp b/src/wasm/wasm-io.cpp
index b94fc8470..55892975b 100644
--- a/src/wasm/wasm-io.cpp
+++ b/src/wasm/wasm-io.cpp
@@ -24,19 +24,31 @@
 // binary.
 //
 
-#include "wasm-io.h"
 #include "support/debug.h"
 #include "wasm-binary.h"
 #include "wasm-s-parser.h"
+#include "wat-parser.h"
+
+#include "wasm-io.h"
 
 namespace wasm {
 
+bool useNewWATParser = false;
+
 #define DEBUG_TYPE "writer"
 
 static void readTextData(std::string& input, Module& wasm, IRProfile profile) {
-  SExpressionParser parser(const_cast<char*>(input.c_str()));
-  Element& root = *parser.root;
-  SExpressionWasmBuilder builder(wasm, *root[0], profile);
+  if (useNewWATParser) {
+    std::string_view in(input.c_str());
+    if (auto parsed = WATParser::parseModule(wasm, in);
+        auto err = parsed.getErr()) {
+      Fatal() << err->msg;
+    }
+  } else {
+    SExpressionParser parser(const_cast<char*>(input.c_str()));
+    Element& root = *parser.root;
+    SExpressionWasmBuilder builder(wasm, *root[0], profile);
+  }
 }
 
 void ModuleReader::readText(std::string filename, Module& wasm) {