/// <summary>
/// 実際に実行する部分。
/// </summary>
protected virtual object ExecuteCore(TextReader stream, string filename)
{
Contract.Requires <ArgumentNullException>(stream != null);
Contract.Requires <ArgumentNullException>(filename != null);
Initialize();
Func <Scope, object> program;
{
// Compile
var sw = Stopwatch.StartNew();
var token = Tokenizer.Tokenize(stream, filename);
var ast = Parser.Parse(token, filename);
var expr = ExpressionGenerator.Generate(ast, this.Factory, filename);
expr = ExpressionOptimizer.Analyze(expr);
program = CompilerHelpers.Compile(expr, true);
//program = expr.Compile();
sw.Stop();
var ev = OnCompiled;
if (ev != null)
{
ev(this, new EngineEventArgs(sw.ElapsedMilliseconds));
}
}
{
// Execute
var sw = Stopwatch.StartNew();
var result = program(this.Global);
sw.Stop();
var ev = OnExecuted;
if (ev != null)
{
ev(this, new EngineEventArgs(sw.ElapsedMilliseconds));
}
return(result);
}
}