add test code

src/hera.cpp

@@ -37,6 +37,15 @@
 #include <wasm-printing.h>
 #include <wasm-validator.h>
 
+#if HAVE_WAVM
+#include <IR/Module.h>
+#include <IR/Validate.h>
+#include <WASM/WASM.h>
+#include <Runtime/Runtime.h>
+#include <Runtime/Linker.h>
+#include <Runtime/Intrinsics.h>
+#endif
+
 #include <evmc/evmc.h>
 
 #include <evm2wasm.h>
@@ -66,6 +75,45 @@ struct hera_instance : evmc_instance {
   hera_instance() : evmc_instance({EVMC_ABI_VERSION, "hera", "0.0.0", nullptr, nullptr, nullptr}) {}
 };
 
+/**** wavm stuff*****/
+#if HAVE_WAVM
+struct TestResolver : Runtime::Resolver
+{
+    bool resolve(
+      const std::string& moduleName,
+      const std::string& exportName,
+      IR::ObjectType type,
+      Runtime::Object*& outObject) override
+    {
+      return false;
+    }
+};
+
+void wavm_test() {
+  IR::Module module;
+  if (!IR::loadModule("test.wasm", module)) abort();
+
+  Runtime::Compartment* compartment = Runtime::createCompartment();
+  Runtime::Context* context = Runtime::createContext(compartment);
+
+  TestResolver resolver;
+  Runtime::LinkResult linkResult = Runtime::linkModule(module, resolver);
+  if (!linkResult.success) abort();
+
+  Runtime::ModuleInstance* moduleInstance = IR::instantiateModule(
+	compartment,
+	module,
+	std::move(linkResult.resolvedImports),
+	"test.wasm");
+
+  if (!moduleInstance) abort();
+
+  Runtime::FunctionInstance* startFunction = moduleInstance->startFunction;
+}
+#endif
+/**** end of wavm stuff*****/
+
+
 namespace {
 
 bool hasWasmPreamble(vector<uint8_t> const& _input) {