public static void Main()
{
var codeReader = new StringReader(_code);
var rawTokens = new LuaRawTokenizer();
var luaTokens = new LuaTokenizer();
rawTokens.Reset(codeReader);
luaTokens.Reset(rawTokens);
var parser = new LuaParser();
var builder = new SyntaxTreeBuilder();
builder.Start();
luaTokens.EnsureMoveNext();
parser.Reset(luaTokens, builder);
parser.Parse();
var ast = builder.Finish();
var env = new Table();
env.SetRaw(TypedValue.MakeString("print"), TypedValue.MakeNClosure(Print));
var codeGen = new CodeGenerator();
var closure = codeGen.Compile(ast, env);
var thread = new Thread();
var stack = thread.AllocateRootCSharpStack(1);
var arg = TypedValue.MakeString("C#");
stack.Write(0, in arg);
LuaInterpreter.Execute(stack, closure, 0, 1);
stack.Read(0, out var ret);
}
public static void DoString(string str, Table env, Span <TypedValue> args, Span <TypedValue> results)
{
var closure = Compile(str, env);
var thread = new Thread();
var stackSize = Math.Max(args.Length, results.Length);
var stack = thread.AllocateRootCSharpStack(stackSize);
if (args.Length > 0)
{
throw new NotImplementedException();
}
stack.Write(0, args);
var retCount = LuaInterpreter.Execute(thread, closure, stack, 0, 0);
stack.Read(0, results);
for (int i = retCount; i < results.Length; ++i)
{
results[i] = TypedValue.Nil;
}
}
public void TestAdd()
{
var closure = TestHelper.Compile("return function(a, b) return a + b end", null);
var thread = new Thread();
var stack = thread.AllocateRootCSharpStack(3);
var retCount = LuaInterpreter.Execute(stack, closure, 0, 0);
Assert.AreEqual(1, retCount);
stack.Read(0, out var retVal);
Assert.AreEqual(LuaValueType.LClosure, retVal.ValueType);
var retClosure = retVal.LClosureVal;
//First call at offset 1: add(1, 2).
stack.Write(1, TypedValue.MakeDouble(1));
stack.Write(2, TypedValue.MakeDouble(2));
retCount = LuaInterpreter.Execute(stack, retClosure, 1, 2);
Assert.AreEqual(1, retCount);
stack.Read(1, out retVal);
Assert.AreEqual(LuaValueType.Number, retVal.ValueType);
Assert.AreEqual(3, retVal.NumberVal);
//Second call at offset 0: add(3, ret).
stack.Write(0, TypedValue.MakeDouble(3));
retCount = LuaInterpreter.Execute(stack, retClosure, 0, 2);
Assert.AreEqual(1, retCount);
stack.Read(0, out retVal);
Assert.AreEqual(LuaValueType.Number, retVal.ValueType);
Assert.AreEqual(6, retVal.NumberVal);
}