v8.cpp

#include "./dependencies/v8/include/v8.h"
#include "./dependencies/v8/include/libplatform/libplatform.h"
#include <iostream>

void InitializeV8() {
    v8::V8::InitializeICUDefaultLocation("dependencies/v8");
    v8::V8::InitializeExternalStartupData("dependencies/v8");
    std::unique_ptr<v8::Platform> platform = v8::platform::NewDefaultPlatform();
    v8::V8::InitializePlatform(platform.get());
    v8::V8::Initialize();
}

const char* RunJS(const char* source) {
    v8::Isolate::CreateParams create_params;
    v8::Isolate* isolate = v8::Isolate::New(create_params);
    v8::Isolate::Scope isolate_scope(isolate);
    v8::HandleScope handle_scope(isolate);
    v8::Local<v8::Context> context = v8::Context::New(isolate);
    v8::Context::Scope context_scope(context);

    v8::Local<v8::String> source_str = v8::String::NewFromUtf8(isolate, source,
                                                               v8::NewStringType::kNormal)
                                          .ToLocalChecked();
    v8::Local<v8::Script> script = v8::Script::Compile(context, source_str).ToLocalChecked();
    v8::Local<v8::Value> result = script->Run(context).ToLocalChecked();

    v8::String::Utf8Value utf8(isolate, result);
    return *utf8 ? strdup(*utf8) : "<conversion failed>";
}

extern "C" {
    void Initialize() {
        InitializeV8();
    }

    const char* Execute(const char* code) {
        return RunJS(code);
    }
}