/// <summary>
/// <para>进行一趟用户脚本编译，并把所有语句子树规约到一个共同的根节点上</para>
/// <para>并返回语义分析、流程逻辑处理和代码优化后的场景实例</para>
/// </summary>
/// <param name="sourceCodeItem">以行分割的源代码字符串向量</param>
/// <param name="sceneName">场景文件的名称，不带路径和后缀名</param>
/// <param name="itype">编译类型，决定返回的实例</param>
/// <returns>Debug模式返回Scene实例，Release时返回该剧本的IL</returns>
public object StartDash(List<string> sourceCodeItem, string sceneName, InterpreterType itype)
{
try
{
// 初期化
this.Reset(sceneName);
for (int line = 0; line < sourceCodeItem.Count; line++)
{
// 词法分析
this.lexer.Init(this.scenario, sourceCodeItem[line]);
List<Token> tokenStream = this.lexer.Analyse();
// 语法分析
if (tokenStream.Count > 0)
{
this.parser.SetTokenStream(this.scenario, tokenStream);
this.parser.Parse(line);
}
}
// 语义分析
KeyValuePair<SceneAction, List<SceneFunction>> r = this.Semanticer(this.parseTree);
this.rootScene = this.ConstructScene(r);
string il = this.ILGenerator(this.rootScene);
if (itype == InterpreterType.DEBUG)
{
return this.rootScene;
}
else
{
return il;
}
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
return null;
}
}
/// <summary>
/// 将场景做IL序列化
/// </summary>
/// <param name="scene">场景实例</param>
/// <returns>IL字符串</returns>
private string ILGenerator(PackageScene scene)
{
List<SceneFunction> sf = scene.FuncContainer;
SceneAction mainSa = scene.Ctor;
StringBuilder sb = new StringBuilder();
sb.AppendLine(scene.GetILSign());
sb.Append(this.ILGenerator(mainSa));
foreach (SceneFunction scenefunc in sf)
{
sb.Append(this.ILGenerator(scenefunc.Sa));
}
return sb.ToString();
}
