Exploring the V8 JS engine (Part 1 of 2)

hello_world.cc

#include <v8.h>

using namespace v8;

int main(int argc, char* argv[]) {

  // Create a new context.
  Persistent<Context> context = Context::New();
  
  // Enter the created context for compiling and
  // running the hello world program. 
  context->Enter();

  // Create a stack-allocated handle scope.
  HandleScope handle_scope;

  // Create a string containing the JavaScript code
  // to execute (notice the quotation).
  Handle<String> source = String::New(" 'Hello World!'; ");

  // Compile the Javascript code.
  Handle<Script> script = Script::Compile(source);
  
  // Run the script to get the result.
  Handle<Value> result = script->Run();
  
  // Get rid of the persistent context.
  context.Dispose();

  // Convert the result to an ASCII string and print it.
  String::AsciiValue ascii(result);
  printf("%s\n", *ascii);

  return 0;
}