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 void CreateTokensForValidContent()
{
string source = @"a = 1";
var result = LuaTokenizer.Scan(source);
result.Values.Should().BeEquivalentTo(Tkn.Letter, Tkn.WhiteSpace, Tkn.Assign, Tkn.WhiteSpace, Tkn.Digit);
source = @"if a == 43 then print(a) end ";
result = LuaTokenizer.Scan(source);
result.Values.Should().BeEquivalentTo(
Tkn.Keyword_If, Tkn.Letter, Tkn.WhiteSpace, Tkn.Equality, Tkn.WhiteSpace, Tkn.Digit, Tkn.Digit, Tkn.WhiteSpace, Tkn.Keyword_Then,
Tkn.Letter, Tkn.Letter, Tkn.Letter, Tkn.Letter, Tkn.Letter, Tkn.LParen, Tkn.Letter, Tkn.RParen,
Tkn.WhiteSpace, Tkn.Keyword_End);
}
private static LClosure Compile(string code)
{
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();
return(_fastLuaCodeGen.Compile(ast, _fastLuaEnv));
}
