private static void CompileToRender(ITag tag, CompileContext context, Type tagType, MethodInfo method)
{
var type = method.ReturnType;
var isAsync = false;
var taskType = typeof(System.Threading.Tasks.Task);
MethodInfo taskAwaiterMethod = null;
MethodInfo resultMethod = null;
var mb = context.CreateRenderMethod(tagType.Name);
var il = mb.GetILGenerator();
var exBlock = il.BeginExceptionBlock();
var lableThrow = il.DefineLabel();
var labelPass = il.DefineLabel();
var index = 0;
if (DynamicHelpers.IsMatchType(type, taskType))
{
isAsync = true;
taskAwaiterMethod = DynamicHelpers.GetMethod(method.ReturnType, "GetAwaiter", Type.EmptyTypes);
resultMethod = DynamicHelpers.GetMethod(taskAwaiterMethod.ReturnType, "GetResult", Type.EmptyTypes);
type = resultMethod.ReturnType;
}
if (type.FullName != "System.Void")
{
il.DeclareLocal(type);
index = 1;
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Call, method);
if (isAsync)
{
il.DeclareLocal(taskAwaiterMethod.ReturnType);
il.Emit(OpCodes.Callvirt, taskAwaiterMethod);
il.Emit(OpCodes.Stloc, index);
il.Emit(OpCodes.Ldloca, index);
il.Emit(OpCodes.Call, resultMethod);
index++;
}
il.Emit(OpCodes.Stloc_0);
il.Emit(OpCodes.Ldarg_1);
MethodInfo writeMethod;
switch (type.FullName)
{
case "System.Object":
case "System.String":
case "System.Decimal":
case "System.Single":
case "System.UInt64":
case "System.Int64":
case "System.UInt32":
case "System.Int32":
case "System.Boolean":
case "System.Double":
case "System.Char":
il.Emit(OpCodes.Ldloc_0);
writeMethod = typeof(TextWriter).GetMethod("Write", new Type[] { type });
break;
default:
if (type.IsValueType)
{
il.Emit(OpCodes.Ldloca_S, 0);
il.Call(type, typeof(object).GetMethod("ToString", Type.EmptyTypes));
writeMethod = typeof(TextWriter).GetMethod("Write", new Type[] { typeof(string) });
}
else
{
il.Emit(OpCodes.Ldloc_0);
writeMethod = typeof(TextWriter).GetMethod("Write", new Type[] { typeof(object) });
}
break;
}
il.Emit(OpCodes.Callvirt, writeMethod);
}
else
{
if (isAsync)
{
il.DeclareLocal(taskAwaiterMethod.ReturnType);
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Call, method);
il.Emit(OpCodes.Callvirt, taskAwaiterMethod);
il.Emit(OpCodes.Stloc_0);
il.Emit(OpCodes.Ldloca, 0);
il.Emit(OpCodes.Call, resultMethod);
index = 1;
}
else
{
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Call, method);
}
}
il.DeclareLocal(typeof(System.Exception));
il.DeclareLocal(typeof(bool));
il.BeginCatchBlock(typeof(System.Exception));
il.Emit(OpCodes.Stloc, index);
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Callvirt, DynamicHelpers.GetPropertyGetMethod(typeof(Context), "ThrowExceptions"));
il.Emit(OpCodes.Stloc, index + 1);
il.Emit(OpCodes.Ldloc, index + 1);
il.Emit(OpCodes.Brfalse, lableThrow);
il.Emit(OpCodes.Ldloc, index);
il.Emit(OpCodes.Throw);
il.MarkLabel(lableThrow);
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Ldloc, index);
il.Emit(OpCodes.Callvirt, DynamicHelpers.GetMethod(typeof(TemplateContext), "AddError", new Type[] { typeof(System.Exception) }));
//il.Emit(OpCodes.Leave_S, labelPass);
il.EndExceptionBlock();
il.MarkLabel(labelPass);
il.Emit(OpCodes.Ret);
context.Generator.Emit(OpCodes.Ldarg_0);
context.Generator.Emit(OpCodes.Ldarg_1);
context.Generator.Emit(OpCodes.Ldarg_2);
context.Generator.Emit(OpCodes.Call, mb.GetBaseDefinition());
}
private static void CompileToRender(this CompileContext context, ITag tag, Type tagType, MethodInfo method)
{
var type = method.ReturnType;
var isAsync = false;
var taskType = typeof(System.Threading.Tasks.Task);
MethodInfo taskAwaiterMethod = null;
MethodInfo resultMethod = null;
var mb = context.CreateRenderMethod(tagType.Name);
var il = mb.GetILGenerator();
var exBlock = il.BeginExceptionBlock();
//var lableThrow = il.DefineLabel();
var labelPass = il.DefineLabel();
if (type.IsMatchType(taskType))
{
isAsync = true;
taskAwaiterMethod = method.ReturnType.GetMethodInfo("GetAwaiter", Type.EmptyTypes);
resultMethod = taskAwaiterMethod.ReturnType.GetMethodInfo("GetResult", Type.EmptyTypes);
type = resultMethod.ReturnType;
}
if (type.FullName != "System.Void")
{
il.DeclareLocal(type);
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Call, method);
if (isAsync)
{
var returnVar = il.DeclareLocal(taskAwaiterMethod.ReturnType);
il.Emit(OpCodes.Callvirt, taskAwaiterMethod);
il.Emit(OpCodes.Stloc, returnVar.LocalIndex);
il.Emit(OpCodes.Ldloca, returnVar.LocalIndex);
il.Emit(OpCodes.Call, resultMethod);
}
il.Emit(OpCodes.Stloc_0);
il.Emit(OpCodes.Ldarg_1);
MethodInfo writeMethod;
switch (type.FullName)
{
case "System.Object":
case "System.String":
case "System.Decimal":
case "System.Single":
case "System.UInt64":
case "System.Int64":
case "System.UInt32":
case "System.Int32":
case "System.Boolean":
case "System.Double":
case "System.Char":
il.Emit(OpCodes.Ldloc_0);
writeMethod = typeof(TextWriter).GetMethod("Write", new Type[] { type });
break;
default:
if (type.IsValueType)
{
il.Emit(OpCodes.Ldloca_S, 0);
il.Call(type, typeof(object).GetMethod("ToString", Type.EmptyTypes));
writeMethod = typeof(TextWriter).GetMethod("Write", new Type[] { typeof(string) });
}
else
{
il.Emit(OpCodes.Ldloc_0);
writeMethod = typeof(TextWriter).GetMethod("Write", new Type[] { typeof(object) });
}
break;
}
il.Emit(OpCodes.Callvirt, writeMethod);
}
else
{
if (isAsync)
{
il.DeclareLocal(taskAwaiterMethod.ReturnType);
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Call, method);
il.Emit(OpCodes.Callvirt, taskAwaiterMethod);
il.Emit(OpCodes.Stloc_0);
il.Emit(OpCodes.Ldloca, 0);
il.Emit(OpCodes.Call, resultMethod);
}
else
{
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Call, method);
}
}
var exceptionVar = il.DeclareLocal(typeof(System.Exception));
//il.DeclareLocal(typeof(bool));
il.BeginCatchBlock(typeof(System.Exception));
il.Emit(OpCodes.Stloc, exceptionVar.LocalIndex);
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Ldloc, exceptionVar.LocalIndex);
il.Emit(OpCodes.Ldc_I4, tag.FirstToken?.BeginLine ?? 0);
il.Emit(OpCodes.Ldc_I4, tag.FirstToken?.BeginColumn ?? 0);
if (context.Debug)
{
il.Emit(OpCodes.Ldstr, tag.ToSource());
}
else
{
il.Emit(OpCodes.Ldnull);
}
il.Emit(OpCodes.Call, typeof(CompilerResult).GetMethodInfo("ThrowException", null));
il.EndExceptionBlock();
il.MarkLabel(labelPass);
il.Emit(OpCodes.Ret);
context.Generator.Emit(OpCodes.Ldarg_0);
context.Generator.Emit(OpCodes.Ldarg_1);
context.Generator.Emit(OpCodes.Ldarg_2);
context.Generator.Emit(OpCodes.Call, mb.GetBaseDefinition());
}
