public static JavaScriptEngineSwitcher.Core.IJsEngine CreateEngine()
{
var engineSwitcher = JavaScriptEngineSwitcher.Core.JsEngineSwitcher.Current;
engineSwitcher.EngineFactories.Add(new JavaScriptEngineSwitcher.ChakraCore.ChakraCoreJsEngineFactory());
engineSwitcher.DefaultEngineName = JavaScriptEngineSwitcher.ChakraCore.ChakraCoreJsEngine.EngineName;
JavaScriptEngineSwitcher.Core.IJsEngine engine = JavaScriptEngineSwitcher.Core.JsEngineSwitcher.Current.CreateDefaultEngine();
// C#中设置JS变量值
engine.SetVariableValue("pi", 3.1415926);
// C#向JS注入类型
//engine.EmbedHostType("Console", typeof(JsConsole));
// C#向JS注入对象
engine.EmbedHostObject("console", new JsConsole());
engine.EmbedHostObject("math", new JsMath());
engine.EmbedHostObject("file", new JsFile());
//engine.EmbedHostObject("File", typeof(JsFile));
engine.SetVariableValue("jsEngineVersion", engine.Version);
engine.Execute("function version(){ \r\n return jsEngineVersion; \r\n}");
engine.Execute("function print(arg){ \r\n console.log(arg); \r\n}");
return(engine);
}
public static void Init(string[] args)
{
// ½âÎö²ÎÊý
// -
Console.WriteLine($"command arguments: '{string.Join("','", args)}'");
Console.WriteLine($"run dic: {AppContext.BaseDirectory}");
if (args.Length > 0)
{
switch (args[0])
{
case "run":
if (args.Length > 1)
{
var arg = args[1];
if (arg == "js")
{
if (args.Length > 2)
{
var code = args[2];
using (JavaScriptEngineSwitcher.Core.IJsEngine engine = JavaScript.JsEngine.CreateEngine())
{
Console.WriteLine($"out:{"".PadRight(40, '-')}");
engine.Execute(code);
Console.WriteLine($"out:{"".PadRight(40, '-')}");
}
}
}
var path = System.IO.Path.GetFullPath(arg);
Console.WriteLine($"source code file: {path}");
if (System.IO.File.Exists(path))
{
var sourceCode = System.IO.File.ReadAllText(path);
Console.WriteLine($"src:{"".PadRight(40, '-')}");
Console.WriteLine(sourceCode);
Console.WriteLine($"src:{"".PadRight(40, '-')}");
if (System.IO.Path.HasExtension(".ws"))
{
ILexer lexer = new Lexer();
}
if (System.IO.Path.HasExtension(".js"))
{
using (JavaScriptEngineSwitcher.Core.IJsEngine engine = JavaScript.JsEngine.CreateEngine())
{
Console.WriteLine($"out:{"".PadRight(40, '-')}");
// Ö´ÐÐJS½Å±¾Îļþ
engine.ExecuteFile(path);
//engine.Execute("var a=1+3;if(1)a=5;TestA.Name=a");
Console.WriteLine($"out:{"".PadRight(40, '-')}");
}
}
#region << ¶¯Ì¬±àÒëC#´úÂë >>
// if (System.IO.Path.HasExtension(".cs"))
// {
// CSharpCodeProvider provider = new CSharpCodeProvider();
// ICodeCompiler compiler = provider.CreateCompiler();
// CompilerParameters parameters = new CompilerParameters();
// parameters.ReferencedAssemblies.Add("System.dll");
// parameters.GenerateExecutable = false;
// parameters.GenerateInMemory = true;
// CompilerResults cr = compiler.CompileAssemblyFromSource(parameters, sourceCode);
// if(cr.Errors.HasErrors){
// Console.WriteLine("±àÒë´íÎó£º");
// Console.WriteLine(string.Join(Environment.NewLine
// , cr.Errors.Cast<CompilerError>()
// .Select(err => err.ErrorText)));
// }
// else {
// Assembly assembly = cr.CompiledAssembly;
// var type = assembly.GetType("Program");
// // type.InvokeMember()
// }
// }
#endregion
}
}
break;
default:
break;
}
}
}
public void Execute(string code)
{
CheckDisposed();
_engine.Execute(code);
}
