/// <summary>
/// Check the specified luaCode to see, if there are any errors.
/// </summary>
/// <param name="luaCode">String with Lua code to check.</param>
public static void Check(string luaCode, string luaFileName)
{
// Create Lua runtime
LuaRuntime luaState = new LuaRuntime ();
// Check Lua for errors
try {
// Try to compile the code
luaState.CompileString (luaCode, luaFileName);
}
catch (Exception ex)
{
// There are errors in the Lua code
// So raise an error with the error data
Match match = Regex.Match(ex.Message, @"(.*):(\d*):(.*)");
int line = Convert.ToInt32(match.Groups[2].Value);
string message = String.Format("{0}, line {1}: {2}", match.Groups[1].Value.Replace("string", "File"), match.Groups[2].Value, match.Groups[3].Value);
string error = match.Groups[3].Value;
string[] lines = luaCode.Replace("\r","").Split('\n');
string code = lines.Length >= line-1 ? lines[line-1] : null;
string before = lines.Length >= line-2 ? lines[line-2] : null;
string after = lines.Length >= line ? lines[line] : null;
throw new CompilerLuaException(message, line, error, code, before, after);
}
luaState = null;
}
/// <summary>
/// Check the specified luaCode to see, if there are any errors.
/// </summary>
/// <param name="luaCode">String with Lua code to check.</param>
public static void Check(string luaCode, string luaFileName)
{
// Create Lua runtime
LuaRuntime luaState = new LuaRuntime();
// Check Lua for errors
try {
// Try to compile the code
luaState.CompileString(luaCode, luaFileName);
}
catch (Exception ex)
{
// There are errors in the Lua code
// So raise an error with the error data
Match match = Regex.Match(ex.Message, @"(.*):(\d*):(.*)");
int line = Convert.ToInt32(match.Groups[2].Value);
string message = String.Format("{0}, line {1}: {2}", match.Groups[1].Value.Replace("string", "File"), match.Groups[2].Value, match.Groups[3].Value);
string error = match.Groups[3].Value;
string[] lines = luaCode.Replace("\r", "").Split('\n');
string code = lines.Length >= line - 1 ? lines[line - 1] : null;
string before = lines.Length >= line - 2 ? lines[line - 2] : null;
string after = lines.Length >= line ? lines[line] : null;
throw new CompilerLuaException(message, line, error, code, before, after);
}
luaState = null;
}
/// <summary>
/// Loads a lua chunk into a lua function.
/// </summary>
/// <param name="chunk">Chunk to load.</param>
/// <param name="chunkName">Name of the chunk.</param>
/// <returns>LuaFunction that corresponds to the loaded chunk.</returns>
public LuaFunction SafeLoadString(byte[] chunk, string chunkName)
{
lock (_luaState)
{
try
{
return(_luaState.CompileString(chunk, chunkName));
}
catch (Exception e)
{
return(HandleException(e, null) as LuaFunction);
}
}
}
private LuaFunction CompileCode(string code)
{
LuaFunction function;
try
{
function = luaRuntime.CompileString(code);
}
catch (Exception ex)
{
throw new BuildException("Error parsing Lua: " + ex.ToString());
}
return(function);
}
public void Environments()
{
using (var runtime = new LuaRuntime()) {
using (var f = runtime.CompileString("print('hi')")) {
using (var tab = runtime.CreateTable()) {
f.Environment = tab;
}
using (var env = f.Environment) {
Assert.AreEqual(0, env.Count);
}
f.Call().Dispose();
}
}
}
