/// <summary>
///
/// </summary>
/// <param name="context"></param>
/// <param name="data"></param>
/// <returns></returns>
private TinyView CreateView(IControllerContext context, IViewData data)
{
string templateName = context.ViewPath + ".tiny";
Resource resource = _provider.Get(templateName);
if (resource == null)
{
_logger.Warning("Failed to load " + templateName);
return(null);
}
// Add all namespaces and assemblies needed.
var compiler = new Compiler();
compiler.Add(typeof(IView));
compiler.Add(typeof(string));
compiler.Add(typeof(TextWriter));
foreach (var parameter in data)
{
compiler.Add(parameter.Value.GetType());
}
using (resource.Stream)
{
var buffer = new byte[resource.Stream.Length];
resource.Stream.Read(buffer, 0, buffer.Length);
TextReader reader = new StreamReader(resource.Stream);
var sb = new StringBuilder();
// parse
Parse(reader, sb);
// and add it in the type.
string code = ClassContents;
code = code.Replace("{body}", sb.ToString());
// add view data types.
string types = string.Empty;
foreach (var parameter in data)
{
types = Compiler.GetTypeName(parameter.Value.GetType()) + " " + parameter.Key + " = (" +
Compiler.GetTypeName(parameter.Value.GetType()) + ")viewData[\"" + parameter.Key + "\"];";
}
code = code.Replace("{viewDataTypes}", types);
try
{
compiler.Compile(code);
}
catch (Exception err)
{
_logger.Error("Failed to compile template " + templateName + ", reason: " + err);
}
return(compiler.CreateInstance <TinyView>());
}
}
/// <summary>
///
/// </summary>
/// <param name="context"></param>
/// <param name="data"></param>
/// <returns></returns>
private TinyView CreateView(IControllerContext context, IViewData data)
{
string templateName = context.ViewPath + ".tiny";
Resource resource = _provider.Get(templateName);
if (resource == null)
{
_logger.Warning("Failed to load " + templateName);
return null;
}
// Add all namespaces and assemblies needed.
var compiler = new Compiler();
compiler.Add(typeof (IView));
compiler.Add(typeof (string));
compiler.Add(typeof (TextWriter));
foreach (var parameter in data)
compiler.Add(parameter.Value.GetType());
using (resource.Stream)
{
var buffer = new byte[resource.Stream.Length];
resource.Stream.Read(buffer, 0, buffer.Length);
TextReader reader = new StreamReader(resource.Stream);
var sb = new StringBuilder();
// parse
Parse(reader, sb);
// and add it in the type.
string code = ClassContents;
code = code.Replace("{body}", sb.ToString());
// add view data types.
string types = string.Empty;
foreach (var parameter in data)
{
types = Compiler.GetTypeName(parameter.Value.GetType()) + " " + parameter.Key + " = (" +
Compiler.GetTypeName(parameter.Value.GetType()) + ")viewData[\"" + parameter.Key + "\"];";
}
code = code.Replace("{viewDataTypes}", types);
try
{
compiler.Compile(code);
}
catch (Exception err)
{
_logger.Error("Failed to compile template " + templateName + ", reason: " + err);
}
return compiler.CreateInstance<TinyView>();
}
}
/// <summary>
/// 进行语法检查
/// </summary>
/// <returns></returns>
public List <CompilationException> Check()
{
HasChecked = true;
foreach (var item in _builderCache)
{
Compiler.Add(item);
}
return(Compiler.SyntaxInfos.SyntaxExceptions);
}
private void Init(StreamingContext c)
{
// Handlers = new ItemEventHandlerList();
Compiler.Options.Combine(Options);
// Set temporarily DefaultClass.Items to this
ItemList temp = DefaultClass.Items;
DefaultClass.Items = this;
// compile libraries first
foreach (Item x in this)
{
x.RaiseAddedToList(this);
if (x is ICompilableLibrary)
{
x.TypeIndex = 0;
Compiler.Add(x);
}
}
foreach (Item x in this)
{
if (x is ICompilableLibrary && !x.Compiled)
{
Compiler.Compile(x);
}
}
// compile others
foreach (Item x in this)
{
if (!(x is ICompilableLibrary) && !x.Compiled)
{
Compiler.Compile(x);
}
}
DefaultClass.Items = temp;
Invalidate();
}
private void EmitWriteArrayLoop(Compiler.CompilerContext ctx, Compiler.Local i, Compiler.Local arr)
{
// i = 0
ctx.LoadValue(0);
ctx.StoreValue(i);
// range test is last (to minimise branches)
Compiler.CodeLabel loopTest = ctx.DefineLabel(), processItem = ctx.DefineLabel();
ctx.Branch(loopTest, false);
ctx.MarkLabel(processItem);
// {...}
ctx.LoadArrayValue(arr, i);
if (SupportNull)
{
Tail.EmitWrite(ctx, null);
}
else
{
ctx.WriteNullCheckedTail(itemType, Tail, null);
}
// i++
ctx.LoadValue(i);
ctx.LoadValue(1);
ctx.Add();
ctx.StoreValue(i);
// i < arr.Length
ctx.MarkLabel(loopTest);
ctx.LoadValue(i);
ctx.LoadLength(arr, false);
ctx.BranchIfLess(processItem, false);
}
/// <summary>
/// Create a new template compiler
/// </summary>
public TemplateCompiler()
{
_compiler = new Compiler();
_compiler.Add(GetType());
_compiler.Add(typeof(ITinyTemplate));
}
private void EmitReadEndPacked(Compiler.CompilerContext ctx, Compiler.Local list, Compiler.Local oldArr,
Compiler.Local newArr, Type listType)
{
// leave this "using" here, as it can share the "FieldNumber" local with EmitReadList
using(Compiler.Local oldLen = AppendToCollection ? new ProtoBuf.Compiler.Local(ctx, typeof(int)) : null) {
Type[] copyToArrayInt32Args = new Type[] { typeof(Array), typeof(int) };
if (AppendToCollection)
{
ctx.LoadLength(oldArr, true);
ctx.CopyValue();
ctx.StoreValue(oldLen);
ctx.LoadAddress(list, listType);
ctx.LoadValue(listType.GetProperty("Count"));
ctx.Add();
ctx.CreateArray(itemType, null); // length is on the stack
ctx.StoreValue(newArr);
ctx.LoadValue(oldLen);
Compiler.CodeLabel nothingToCopy = ctx.DefineLabel();
ctx.BranchIfFalse(nothingToCopy, true);
ctx.LoadValue(oldArr);
ctx.LoadValue(newArr);
ctx.LoadValue(0); // index in target
ctx.EmitCall(ExpectedType.GetMethod("CopyTo", copyToArrayInt32Args));
ctx.MarkLabel(nothingToCopy);
ctx.LoadValue(list);
ctx.LoadValue(newArr);
ctx.LoadValue(oldLen);
}
else
{
ctx.LoadAddress(list, listType);
ctx.LoadValue(listType.GetProperty("Count"));
ctx.CreateArray(itemType, null);
ctx.StoreValue(newArr);
ctx.LoadAddress(list, listType);
ctx.LoadValue(newArr);
ctx.LoadValue(0);
}
copyToArrayInt32Args[0] = ExpectedType; // // prefer: CopyTo(T[], int)
MethodInfo copyTo = listType.GetMethod("CopyTo", copyToArrayInt32Args);
if (copyTo == null)
{ // fallback: CopyTo(Array, int)
copyToArrayInt32Args[1] = typeof(Array);
copyTo = listType.GetMethod("CopyTo", copyToArrayInt32Args);
}
ctx.EmitCall(copyTo);
}
ctx.LoadValue(newArr);
}
public void EmitRead(Compiler.CompilerContext ctx, Compiler.Local incoming)
{
bool issueReferenceDirectives = !baseTupleAsReference && asReference;
Compiler.CodeLabel @end = ctx.DefineLabel();
using (Compiler.Local tupleKey = new Compiler.Local(ctx, typeof(int)))
using (Compiler.Local oldTuple = new Compiler.Local(ctx, typeof(object)))
using (Compiler.Local objValue = ctx.GetLocalWithValue(ExpectedType, incoming))
{
Compiler.Local[] locals = new Compiler.Local[members.Length];
try
{
if (issueReferenceDirectives)
{
//int tupleKey = 0;
ctx.LoadValue(0);
ctx.StoreValue(tupleKey);
//object oldTuple = null;
ctx.LoadNullRef();
ctx.StoreValue(oldTuple);
//tupleKey = (int)source.ReadUInt32();
ctx.LoadReaderWriter();
ctx.EmitCall(typeof (ProtoReader).GetMethod("ReadUInt32"));
//ctx.CastToObject(typeof (int));
ctx.StoreValue(tupleKey);
Compiler.CodeLabel @objectNotFound = ctx.DefineLabel();
ctx.LoadValue(tupleKey);
ctx.LoadValue(0);
ctx.BranchIfEqual(@objectNotFound, true);
//// return source.NetCache.GetKeyedObject(tupleKey);
ctx.LoadReaderWriter();
ctx.LoadValue(typeof (ProtoReader).GetProperty("NetCache"));
ctx.LoadValue(tupleKey);
ctx.EmitCall(typeof (NetObjectCache).GetMethod("GetKeyedObject"));
ctx.CastFromObject(ExpectedType);
ctx.StoreValue(objValue);
ctx.Branch(@end, false);
ctx.MarkLabel(@objectNotFound);
ctx.EmitCtor(typeof (object));
ctx.StoreValue(oldTuple);
// tupleKey = source.NetCache.AddObjectKey(oldTuple, out dummy);
using (Compiler.Local dummy = new Compiler.Local(ctx, typeof (bool)))
{
ctx.LoadReaderWriter();
ctx.LoadValue(typeof (ProtoReader).GetProperty("NetCache"));
ctx.LoadValue(oldTuple);
ctx.LoadAddress(dummy, typeof (bool));
ctx.EmitCall(typeof (NetObjectCache).GetMethod("AddObjectKey", new Type[] { typeof(object), typeof(bool).MakeByRefType() }));
ctx.StoreValue(tupleKey);
}
}
for (int i = 0; i < locals.Length; i++)
{
Type type = GetMemberType(i);
bool store = true;
locals[i] = new Compiler.Local(ctx, type);
if (!ExpectedType.IsValueType)
{
// value-types always read the old value
if (type.IsValueType)
{
switch (Helpers.GetTypeCode(type))
{
case ProtoTypeCode.Boolean:
case ProtoTypeCode.Byte:
case ProtoTypeCode.Int16:
case ProtoTypeCode.Int32:
case ProtoTypeCode.SByte:
case ProtoTypeCode.UInt16:
case ProtoTypeCode.UInt32:
ctx.LoadValue(0);
break;
case ProtoTypeCode.Int64:
case ProtoTypeCode.UInt64:
ctx.LoadValue(0L);
break;
case ProtoTypeCode.Single:
ctx.LoadValue(0.0F);
break;
case ProtoTypeCode.Double:
ctx.LoadValue(0.0D);
break;
case ProtoTypeCode.Decimal:
ctx.LoadValue(0M);
break;
case ProtoTypeCode.Guid:
ctx.LoadValue(Guid.Empty);
break;
default:
ctx.LoadAddress(locals[i], type);
ctx.EmitCtor(type);
store = false;
break;
}
}
else
{
ctx.LoadNullRef();
}
if (store)
{
ctx.StoreValue(locals[i]);
}
}
}
Compiler.CodeLabel skipOld = ExpectedType.IsValueType
? new Compiler.CodeLabel()
: ctx.DefineLabel();
if (!ExpectedType.IsValueType)
{
ctx.LoadAddress(objValue, ExpectedType);
ctx.BranchIfFalse(skipOld, false);
}
for (int i = 0; i < members.Length; i++)
{
ctx.LoadAddress(objValue, ExpectedType);
switch (members[i].MemberType)
{
case MemberTypes.Field:
ctx.LoadValue((FieldInfo) members[i]);
break;
case MemberTypes.Property:
ctx.LoadValue((PropertyInfo) members[i]);
break;
}
ctx.StoreValue(locals[i]);
}
if (!ExpectedType.IsValueType) ctx.MarkLabel(skipOld);
using (Compiler.Local fieldNumber = new Compiler.Local(ctx, typeof (int)))
using (Compiler.Local j = new Compiler.Local(ctx, typeof (int)))
{
// j = 0
ctx.LoadValue(0);
ctx.StoreValue(j);
Compiler.CodeLabel @continue = ctx.DefineLabel(),
processField = ctx.DefineLabel(),
notRecognised = ctx.DefineLabel(),
@endWhileLoop = ctx.DefineLabel();
ctx.Branch(@continue, false);
Compiler.CodeLabel[] handlers = new Compiler.CodeLabel[members.Length];
for (int i = 0; i < members.Length; i++)
{
handlers[i] = ctx.DefineLabel();
}
ctx.MarkLabel(processField);
ctx.LoadValue(fieldNumber);
ctx.LoadValue(1);
ctx.Subtract(); // jump-table is zero-based
ctx.Switch(handlers);
// and the default:
ctx.Branch(notRecognised, false);
for (int i = 0; i < handlers.Length; i++)
{
ctx.MarkLabel(handlers[i]);
IProtoSerializer tail = tails[i];
Compiler.Local oldValIfNeeded = tail.RequiresOldValue ? locals[i] : null;
ctx.ReadNullCheckedTail(locals[i].Type, tail, oldValIfNeeded);
if (tail.ReturnsValue)
{
if (locals[i].Type.IsValueType)
{
ctx.StoreValue(locals[i]);
}
else
{
Compiler.CodeLabel hasValue = ctx.DefineLabel(), allDone = ctx.DefineLabel();
ctx.CopyValue();
ctx.BranchIfTrue(hasValue, true); // interpret null as "don't assign"
ctx.DiscardValue();
ctx.Branch(allDone, true);
ctx.MarkLabel(hasValue);
ctx.StoreValue(locals[i]);
ctx.MarkLabel(allDone);
}
}
ctx.Branch(@continue, false);
}
ctx.MarkLabel(notRecognised);
ctx.LoadReaderWriter();
ctx.EmitCall(typeof (ProtoReader).GetMethod("SkipField"));
ctx.MarkLabel(@continue);
// j < values.Length
ctx.LoadValue(j);
ctx.LoadValue(members.Length);
ctx.BranchIfGreaterOrEqual(@endWhileLoop, false);
//j++
ctx.LoadValue(j);
ctx.LoadValue(1);
ctx.Add();
ctx.StoreValue(j);
// source.ReadNextFieldHack() > 0
ctx.LoadReaderWriter();
ctx.EmitCall(typeof (ProtoReader).GetMethod("ReadNextFieldHack"));
ctx.LoadValue(0);
ctx.BranchIfLessOrEqual(@endWhileLoop, true);
// field = source.ReadFieldHeader();
ctx.LoadReaderWriter();
ctx.EmitCall(typeof (ProtoReader).GetMethod("ReadFieldHeader"));
ctx.StoreValue(fieldNumber);
ctx.Branch(processField, false);
ctx.MarkLabel(@endWhileLoop);
}
for (int i = 0; i < locals.Length; i++)
{
ctx.LoadValue(locals[i]);
}
ctx.EmitCtor(ctor);
ctx.StoreValue(objValue);
if (issueReferenceDirectives)
{
//source.NetCache.UpdateKeyedObject(tupleKey, oldTuple, result);
ctx.LoadReaderWriter();
ctx.LoadValue(typeof (ProtoReader).GetProperty("NetCache"));
ctx.LoadValue(tupleKey);
ctx.LoadValue(oldTuple);
ctx.LoadValue(objValue);
ctx.CastToObject(ExpectedType);
ctx.EmitCall(typeof (NetObjectCache).GetMethod("UpdateKeyedObject"));
}
if (forceIssueFakeHeader)
{
//source.ReadEndGroupFieldHeaderHack();
ctx.LoadReaderWriter();
ctx.EmitCall(typeof (ProtoReader).GetMethod("ReadEndGroupFieldHeaderHack"));
}
ctx.MarkLabel(@end);
ctx.LoadValue(objValue);
}
finally
{
for (int i = 0; i < locals.Length; i++)
{
if (locals[i] != null)
locals[i].Dispose(); // release for re-use
}
}
}
}
/// <summary>
/// Adds the specified type.
/// </summary>
/// <param name="type">The type.</param>
public void Add(Type type)
{
_compiler.Add(type);
}
/// <summary>
/// Create a new template compiler
/// </summary>
public TemplateCompiler()
{
_compiler = new Compiler();
_compiler.Add(GetType());
_compiler.Add(typeof(ITinyTemplate));
}
/// <summary>
/// 直接添加一个合法的类/接口/结构体/枚举
/// </summary>
/// <param name="script">脚本代码</param>
/// <returns></returns>
public CompilationException AddScript(string script)
{
return(Compiler.Add(script));
}
