Feature: ExecutionEngine.addModule - add

Signed-off-by: Dmitry Patsura <talk@dmtry.me>

Author: ovr

llvm-node.d.ts

@@ -670,6 +670,11 @@ declare namespace llvm {
   }
 
   class ExecutionEngine {
+    /**
+     * Add a Module to the list of modules that we can JIT from.
+     * @param module
+     */
+    addModule(module: Module);
   }
 
   // support

src/execution-engine/execution-engine.cc

@@ -1,16 +1,29 @@
 
 #include "execution-engine.h"
-#include "../ir/data-layout.h"
+#include "../ir/module.h"
 
 Nan::Persistent<v8::ObjectTemplate> ExecutionEngineWrapper::executionEngineTemplate {};
 
 NAN_MODULE_INIT(ExecutionEngineWrapper::Init) {
     auto objectTemplate = Nan::New<v8::ObjectTemplate>();
     objectTemplate->SetInternalFieldCount(1);
 
+    Nan::SetMethod(objectTemplate, "addModule", ExecutionEngineWrapper::addModule);
+
     executionEngineTemplate.Reset(objectTemplate);
 }
 
+NAN_METHOD(ExecutionEngineWrapper::addModule) {
+    if (info.Length() != 1 || !ModuleWrapper::isInstance(info[0])) {
+        return Nan::ThrowTypeError("addModule needs to be called with: mod: Module");
+    }
+
+    auto* module = ModuleWrapper::FromValue(info[0])->getModule();
+
+    auto* executionEngine = ExecutionEngineWrapper::FromValue(info.Holder())->executionEngine;
+    executionEngine->addModule(std::make_unique<llvm::Module*>(module));
+}
+
 v8::Local<v8::Object> ExecutionEngineWrapper::of(const llvm::ExecutionEngine *executionEnginePtr) {
     Nan::EscapableHandleScope escapeScope {};
     v8::Local<v8::ObjectTemplate> tpl = Nan::New(executionEngineTemplate);

src/execution-engine/execution-engine.h

@@ -18,6 +18,8 @@ class ExecutionEngineWrapper: public Nan::ObjectWrap, public FromValueMixin<Exec
     explicit ExecutionEngineWrapper(const llvm::ExecutionEngine* executionEngine): executionEngine { executionEngine } {
         assert(executionEngine && "No execute engine passed");
     }
+
+    static NAN_METHOD(addModule);
 };
 
 #endif //LLVM_NODE_EXECUTION_ENGINE_H