Add support for debug printing of functions (#5828)

2 files changed, 9 insertions, 0 deletions

diff --git a/src/passes/Print.cpp b/src/passes/Print.cpp
index 67d0dbdcc..e9facd5a9 100644
--- a/src/passes/Print.cpp
+++ b/src/passes/Print.cpp
@@ -3763,6 +3763,14 @@ std::ostream& operator<<(std::ostream& o, wasm::Module& module) {
   return o;
 }
 
+std::ostream& operator<<(std::ostream& o, wasm::Function& func) {
+  wasm::PrintSExpression print(o);
+  print.setMinify(false);
+  print.setDebugInfo(false);
+  print.visitFunction(&func);
+  return o;
+}
+
 std::ostream& operator<<(std::ostream& o, wasm::Expression& expression) {
   return wasm::printExpression(&expression, o);
 }
diff --git a/src/wasm.h b/src/wasm.h
index afb824bdd..c059009b6 100644
--- a/src/wasm.h
+++ b/src/wasm.h
@@ -2330,6 +2330,7 @@ template<> struct hash<wasm::Address> {
 };
 
 std::ostream& operator<<(std::ostream& o, wasm::Module& module);
+std::ostream& operator<<(std::ostream& o, wasm::Function& func);
 std::ostream& operator<<(std::ostream& o, wasm::Expression& expression);
 std::ostream& operator<<(std::ostream& o, wasm::ModuleExpression pair);
 std::ostream& operator<<(std::ostream& o, wasm::ShallowExpression expression);