/// <summary>
/// 转换表达式
/// </summary>
public override void ConvertToExpression()
{
var blockparames = new List <ParameterExpression>(10);
var inits = new List <Expression>(10);
foreach (var item in Model)
{
switch (item.PtType)
{
case PrintType.String:
MethodCallExpression print = PrintProvide.ExpressionPrint(Expression.Constant(StringConvert.Convert1(item.SourcePath)));
inits.Add(print);
break;
case PrintType.Variable:
var(param, path) = SearchPath(item.SourcePath);
blockparames.Add(param);
inits.Add(path);
if (string.IsNullOrWhiteSpace(item.FilterName))
{
print = PrintProvide.ExpressionPrint(param);
}
else
{
var argsexpression = new List <Expression>(5);
foreach (var arg in item.Args)
{
if (arg.FdType == FieldType.SourcePath)
{
var(parame, init) = SearchPath(arg.FdValue);
blockparames.Add(parame);
inits.Add(init);
argsexpression.Add(parame);
}
else
{
var value = CreateConstExpression(arg.FdType, arg.FdValue);
argsexpression.Add(Expression.Convert(value, typeof(object)));
}
}
print = PrintProvide.ExpressionPrint(param, item.FilterName, argsexpression.ToArray());
}
inits.Add(print);
break;
default:
break;
}
}
MethodCallExpression printLine = PrintProvide.ExpressionPrintLine();
inits.Add(printLine);
NdExpression = Expression.Block(blockparames, inits);
}
/// <summary>
/// 转为表达式
/// </summary>
public override void ConvertToExpression()
{
NdExpression = PrintProvide.ExpressionPrintLine(Expression.Constant(StringConvert.Convert1(CodeString)));
}