/// <summary>
/// 将源字符串分析为 Lambda 表达式树
/// 由于传入的字符串可能不正确或者不支持，需要捕获异常
/// </summary>
/// <typeparam name="T">委托类型</typeparam>
/// <param name="source">用于分析的源字符串.</param>
/// <param name="assemblies">可能用到的程序集列表.</param>
/// <param name="namespaces">分析过程中可能用到的命名空间列表.</param>
/// <returns>分析完成的 Lambda 表达式树.</returns>
public static Expression <T> Parse <T>(string source, Assembly[] assemblies, params string[] namespaces)
{
var parseResult = SymbolParser.Parse(source);
var parser = new ExpressionParser(parseResult, typeof(T), namespaces, assemblies);
return(parser.ToLambdaExpression <T>());
}
/// <summary>
/// 解析
/// </summary>
/// <param name="source">源字符串</param>
/// <returns>SymbolParseResult</returns>
public static SymbolParseResult Parse(string source)
{
var parser = new SymbolParser(source);
List <Token> tokens = new List <Token>();
while (true)
{
var token = parser.CurrentToken();
tokens.Add(token);
if (token.Type == TokenType.End)
{
break;
}
}
return(new SymbolParseResult(tokens));
}