public void GenerateWriterMethod(Type type, CodeGenContext ctx, ILGenerator il)
{
var valueType = type.GetGenericArguments()[0];
var noValueLabel = il.DefineLabel();
MethodInfo getHasValue = type.GetProperty("HasValue").GetGetMethod();
MethodInfo getValue = type.GetProperty("Value").GetGetMethod();
var data = ctx.GetTypeDataForCall(valueType);
il.Emit(OpCodes.Ldarg_1); // Stream
il.Emit(OpCodes.Ldarga_S, 2); // &value
il.Emit(OpCodes.Call, getHasValue);
il.Emit(OpCodes.Call, ctx.GetWriterMethodInfo(typeof(bool)));
il.Emit(OpCodes.Ldarga_S, 2); // &value
il.Emit(OpCodes.Call, getHasValue);
il.Emit(OpCodes.Brfalse_S, noValueLabel);
if (data.NeedsInstanceParameter)
{
il.Emit(OpCodes.Ldarg_0); // Serializer
}
il.Emit(OpCodes.Ldarg_1); // Stream
il.Emit(OpCodes.Ldarga_S, 2); // &value
il.Emit(OpCodes.Call, getValue);
// XXX for some reason Tailcall causes huge slowdown, at least with "decimal?"
//il.Emit(OpCodes.Tailcall);
il.Emit(OpCodes.Call, data.WriterMethodInfo);
il.MarkLabel(noValueLabel);
il.Emit(OpCodes.Ret);
}
public void GenerateWriterMethod(Type type, CodeGenContext ctx, ILGenerator il)
{
// arg0: Serializer, arg1: Stream, arg2: value
var fields = Helpers.GetFieldInfos(type);
foreach (var field in fields)
{
// Note: the user defined value type is not passed as reference. could cause perf problems with big structs
var fieldType = field.FieldType;
var data = ctx.GetTypeDataForCall(fieldType);
if (data.NeedsInstanceParameter)
{
il.Emit(OpCodes.Ldarg_0);
}
il.Emit(OpCodes.Ldarg_1);
if (type.IsValueType)
{
il.Emit(OpCodes.Ldarga_S, 2);
}
else
{
il.Emit(OpCodes.Ldarg_2);
}
il.Emit(OpCodes.Ldfld, field);
il.Emit(OpCodes.Call, data.WriterMethodInfo);
}
il.Emit(OpCodes.Ret);
}
public void GenerateWriterMethod(Type type, CodeGenContext ctx, ILGenerator il)
{
var valueType = type.GetGenericArguments()[0];
var noValueLabel = il.DefineLabel();
MethodInfo getHasValue = type.GetProperty("HasValue").GetGetMethod();
MethodInfo getValue = type.GetProperty("Value").GetGetMethod();
var data = ctx.GetTypeDataForCall(valueType);
il.Emit(OpCodes.Ldarg_1); // Stream
il.Emit(OpCodes.Ldarga_S, 2); // &value
il.Emit(OpCodes.Call, getHasValue);
il.Emit(OpCodes.Call, ctx.GetWriterMethodInfo(typeof(bool)));
il.Emit(OpCodes.Ldarga_S, 2); // &value
il.Emit(OpCodes.Call, getHasValue);
il.Emit(OpCodes.Brfalse_S, noValueLabel);
if (data.NeedsInstanceParameter)
il.Emit(OpCodes.Ldarg_0); // Serializer
il.Emit(OpCodes.Ldarg_1); // Stream
il.Emit(OpCodes.Ldarga_S, 2); // &value
il.Emit(OpCodes.Call, getValue);
// XXX for some reason Tailcall causes huge slowdown, at least with "decimal?"
//il.Emit(OpCodes.Tailcall);
il.Emit(OpCodes.Call, data.WriterMethodInfo);
il.MarkLabel(noValueLabel);
il.Emit(OpCodes.Ret);
}
public void GenerateReaderMethod(Type type, CodeGenContext ctx, ILGenerator il)
{
// arg0: Serializer, arg1: stream, arg2: out value
if (type.IsClass)
{
// instantiate empty class
il.Emit(OpCodes.Ldarg_2);
var gtfh = typeof(Type).GetMethod("GetTypeFromHandle", BindingFlags.Public | BindingFlags.Static);
var guo = typeof(System.Runtime.Serialization.FormatterServices).GetMethod("GetUninitializedObject", BindingFlags.Public | BindingFlags.Static);
il.Emit(OpCodes.Ldtoken, type);
il.Emit(OpCodes.Call, gtfh);
il.Emit(OpCodes.Call, guo);
il.Emit(OpCodes.Castclass, type);
il.Emit(OpCodes.Stind_Ref);
}
var fields = Helpers.GetFieldInfos(type);
foreach (var field in fields)
{
var fieldType = field.FieldType;
var data = ctx.GetTypeDataForCall(fieldType);
if (data.NeedsInstanceParameter)
{
il.Emit(OpCodes.Ldarg_0);
}
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Ldarg_2);
if (type.IsClass)
{
il.Emit(OpCodes.Ldind_Ref);
}
il.Emit(OpCodes.Ldflda, field);
il.Emit(OpCodes.Call, data.ReaderMethodInfo);
}
if (typeof(System.Runtime.Serialization.IDeserializationCallback).IsAssignableFrom(type))
{
var miOnDeserialization = typeof(System.Runtime.Serialization.IDeserializationCallback).GetMethod("OnDeserialization",
BindingFlags.Instance | BindingFlags.Public,
null, new[] { typeof(Object) }, null);
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Ldnull);
il.Emit(OpCodes.Constrained, type);
il.Emit(OpCodes.Callvirt, miOnDeserialization);
}
il.Emit(OpCodes.Ret);
}
public void GenerateReaderMethod(Type type, CodeGenContext ctx, ILGenerator il)
{
// arg0: Serializer, arg1: stream, arg2: out value
if (type.IsClass)
{
// instantiate empty class
il.Emit(OpCodes.Ldarg_2);
var gtfh = typeof(Type).GetMethod("GetTypeFromHandle", BindingFlags.Public | BindingFlags.Static);
var guo = typeof(System.Runtime.Serialization.FormatterServices).GetMethod("GetUninitializedObject", BindingFlags.Public | BindingFlags.Static);
il.Emit(OpCodes.Ldtoken, type);
il.Emit(OpCodes.Call, gtfh);
il.Emit(OpCodes.Call, guo);
il.Emit(OpCodes.Castclass, type);
il.Emit(OpCodes.Stind_Ref);
}
var fields = Helpers.GetFieldInfos(type);
foreach (var field in fields)
{
var fieldType = field.FieldType;
var data = ctx.GetTypeDataForCall(fieldType);
if (data.NeedsInstanceParameter)
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Ldarg_2);
if (type.IsClass)
il.Emit(OpCodes.Ldind_Ref);
il.Emit(OpCodes.Ldflda, field);
il.Emit(OpCodes.Call, data.ReaderMethodInfo);
}
if (typeof(System.Runtime.Serialization.IDeserializationCallback).IsAssignableFrom(type))
{
var miOnDeserialization = typeof(System.Runtime.Serialization.IDeserializationCallback).GetMethod("OnDeserialization",
BindingFlags.Instance | BindingFlags.Public,
null, new[] { typeof(Object) }, null);
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Ldnull);
il.Emit(OpCodes.Constrained, type);
il.Emit(OpCodes.Callvirt, miOnDeserialization);
}
il.Emit(OpCodes.Ret);
}
public void GenerateReaderMethod(Type type, CodeGenContext ctx, ILGenerator il)
{
var valueType = type.GetGenericArguments()[0];
var hasValueLocal = il.DeclareLocal(typeof(bool));
var valueLocal = il.DeclareLocal(valueType);
var notNullLabel = il.DefineLabel();
var data = ctx.GetTypeDataForCall(valueType);
// read array len
il.Emit(OpCodes.Ldarg_1); // Stream
il.Emit(OpCodes.Ldloca_S, hasValueLocal); // &hasValue
il.Emit(OpCodes.Call, ctx.GetReaderMethodInfo(typeof(bool)));
// if hasValue == 0, return null
il.Emit(OpCodes.Ldloc_S, hasValueLocal);
il.Emit(OpCodes.Brtrue_S, notNullLabel);
il.Emit(OpCodes.Ldarg_2); // &value
il.Emit(OpCodes.Initobj, type);
il.Emit(OpCodes.Ret);
// hasValue == 1
il.MarkLabel(notNullLabel);
if (data.NeedsInstanceParameter)
{
il.Emit(OpCodes.Ldarg_0); // Serializer
}
il.Emit(OpCodes.Ldarg_1); // Stream
il.Emit(OpCodes.Ldloca_S, valueLocal);
il.Emit(OpCodes.Call, data.ReaderMethodInfo);
il.Emit(OpCodes.Ldarg_2); // &value
il.Emit(OpCodes.Ldloc_S, valueLocal);
var constr = type.GetConstructor(new[] { valueType });
il.Emit(OpCodes.Newobj, constr); // new Nullable<T>(valueLocal)
il.Emit(OpCodes.Stobj, type); // store to &value
il.Emit(OpCodes.Ret);
}
public void GenerateReaderMethod(Type type, CodeGenContext ctx, ILGenerator il)
{
var valueType = type.GetGenericArguments()[0];
var hasValueLocal = il.DeclareLocal(typeof(bool));
var valueLocal = il.DeclareLocal(valueType);
var notNullLabel = il.DefineLabel();
var data = ctx.GetTypeDataForCall(valueType);
// read array len
il.Emit(OpCodes.Ldarg_1); // Stream
il.Emit(OpCodes.Ldloca_S, hasValueLocal); // &hasValue
il.Emit(OpCodes.Call, ctx.GetReaderMethodInfo(typeof(bool)));
// if hasValue == 0, return null
il.Emit(OpCodes.Ldloc_S, hasValueLocal);
il.Emit(OpCodes.Brtrue_S, notNullLabel);
il.Emit(OpCodes.Ldarg_2); // &value
il.Emit(OpCodes.Initobj, type);
il.Emit(OpCodes.Ret);
// hasValue == 1
il.MarkLabel(notNullLabel);
if (data.NeedsInstanceParameter)
il.Emit(OpCodes.Ldarg_0); // Serializer
il.Emit(OpCodes.Ldarg_1); // Stream
il.Emit(OpCodes.Ldloca_S, valueLocal);
il.Emit(OpCodes.Call, data.ReaderMethodInfo);
il.Emit(OpCodes.Ldarg_2); // &value
il.Emit(OpCodes.Ldloc_S, valueLocal);
var constr = type.GetConstructor(new[] { valueType });
il.Emit(OpCodes.Newobj, constr); // new Nullable<T>(valueLocal)
il.Emit(OpCodes.Stobj, type); // store to &value
il.Emit(OpCodes.Ret);
}
public void GenerateReaderMethod(Type type, CodeGenContext ctx, ILGenerator il)
{
var elemType = type.GetElementType();
var lenLocal = il.DeclareLocal(typeof(uint));
// read array len
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Ldloca_S, lenLocal);
il.Emit(OpCodes.Call, ctx.GetReaderMethodInfo(typeof(uint)));
var notNullLabel = il.DefineLabel();
/* if len == 0, return null */
il.Emit(OpCodes.Ldloc_S, lenLocal);
il.Emit(OpCodes.Brtrue_S, notNullLabel);
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Ldnull);
il.Emit(OpCodes.Stind_Ref);
il.Emit(OpCodes.Ret);
il.MarkLabel(notNullLabel);
var arrLocal = il.DeclareLocal(type);
// create new array with len - 1
il.Emit(OpCodes.Ldloc_S, lenLocal);
il.Emit(OpCodes.Ldc_I4_1);
il.Emit(OpCodes.Sub);
il.Emit(OpCodes.Newarr, elemType);
il.Emit(OpCodes.Stloc_S, arrLocal);
// declare i
var idxLocal = il.DeclareLocal(typeof(int));
// i = 0
il.Emit(OpCodes.Ldc_I4_0);
il.Emit(OpCodes.Stloc_S, idxLocal);
var loopBodyLabel = il.DefineLabel();
var loopCheckLabel = il.DefineLabel();
il.Emit(OpCodes.Br_S, loopCheckLabel);
// loop body
il.MarkLabel(loopBodyLabel);
// read element to arr[i]
var data = ctx.GetTypeDataForCall(elemType);
if (data.NeedsInstanceParameter)
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Ldloc_S, arrLocal);
il.Emit(OpCodes.Ldloc_S, idxLocal);
il.Emit(OpCodes.Ldelema, elemType);
il.Emit(OpCodes.Call, data.ReaderMethodInfo);
// i = i + 1
il.Emit(OpCodes.Ldloc_S, idxLocal);
il.Emit(OpCodes.Ldc_I4_1);
il.Emit(OpCodes.Add);
il.Emit(OpCodes.Stloc_S, idxLocal);
il.MarkLabel(loopCheckLabel);
// loop condition
il.Emit(OpCodes.Ldloc_S, idxLocal);
il.Emit(OpCodes.Ldloc_S, arrLocal);
il.Emit(OpCodes.Ldlen);
il.Emit(OpCodes.Conv_I4);
il.Emit(OpCodes.Blt_S, loopBodyLabel);
// store new array to the out value
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Ldloc_S, arrLocal);
il.Emit(OpCodes.Stind_Ref);
il.Emit(OpCodes.Ret);
}
public void GenerateWriterMethod(Type type, CodeGenContext ctx, ILGenerator il)
{
var elemType = type.GetElementType();
var notNullLabel = il.DefineLabel();
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Brtrue_S, notNullLabel);
// if value == null, write 0
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Ldc_I4_0);
il.Emit(OpCodes.Tailcall);
il.Emit(OpCodes.Call, ctx.GetWriterMethodInfo(typeof(uint)));
il.Emit(OpCodes.Ret);
il.MarkLabel(notNullLabel);
// write array len + 1
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Ldlen);
il.Emit(OpCodes.Ldc_I4_1);
il.Emit(OpCodes.Add);
il.Emit(OpCodes.Call, ctx.GetWriterMethodInfo(typeof(uint)));
// declare i
var idxLocal = il.DeclareLocal(typeof(int));
// i = 0
il.Emit(OpCodes.Ldc_I4_0);
il.Emit(OpCodes.Stloc_S, idxLocal);
var loopBodyLabel = il.DefineLabel();
var loopCheckLabel = il.DefineLabel();
il.Emit(OpCodes.Br_S, loopCheckLabel);
// loop body
il.MarkLabel(loopBodyLabel);
var data = ctx.GetTypeDataForCall(elemType);
if (data.NeedsInstanceParameter)
il.Emit(OpCodes.Ldarg_0);
// write element at index i
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Ldloc_S, idxLocal);
il.Emit(OpCodes.Ldelem, elemType);
il.Emit(OpCodes.Call, data.WriterMethodInfo);
// i = i + 1
il.Emit(OpCodes.Ldloc_S, idxLocal);
il.Emit(OpCodes.Ldc_I4_1);
il.Emit(OpCodes.Add);
il.Emit(OpCodes.Stloc_S, idxLocal);
il.MarkLabel(loopCheckLabel);
// loop condition
il.Emit(OpCodes.Ldloc_S, idxLocal);
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Ldlen);
il.Emit(OpCodes.Conv_I4);
il.Emit(OpCodes.Blt_S, loopBodyLabel);
il.Emit(OpCodes.Ret);
}
public void GenerateWriterMethod(Type type, CodeGenContext ctx, ILGenerator il)
{
// arg0: Serializer, arg1: Stream, arg2: value
var fields = Helpers.GetFieldInfos(type);
foreach (var field in fields)
{
// Note: the user defined value type is not passed as reference. could cause perf problems with big structs
var fieldType = field.FieldType;
var data = ctx.GetTypeDataForCall(fieldType);
if (data.NeedsInstanceParameter)
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldarg_1);
if (type.IsValueType)
il.Emit(OpCodes.Ldarga_S, 2);
else
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Ldfld, field);
il.Emit(OpCodes.Call, data.WriterMethodInfo);
}
il.Emit(OpCodes.Ret);
}
public void GenerateWriterMethod(Type type, CodeGenContext ctx, ILGenerator il)
{
var elemType = type.GetElementType();
var notNullLabel = il.DefineLabel();
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Brtrue_S, notNullLabel);
// if value == null, write 0
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Ldc_I4_0);
il.Emit(OpCodes.Tailcall);
il.Emit(OpCodes.Call, ctx.GetWriterMethodInfo(typeof(uint)));
il.Emit(OpCodes.Ret);
il.MarkLabel(notNullLabel);
// write array len + 1
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Ldlen);
il.Emit(OpCodes.Ldc_I4_1);
il.Emit(OpCodes.Add);
il.Emit(OpCodes.Call, ctx.GetWriterMethodInfo(typeof(uint)));
// declare i
var idxLocal = il.DeclareLocal(typeof(int));
// i = 0
il.Emit(OpCodes.Ldc_I4_0);
il.Emit(OpCodes.Stloc_S, idxLocal);
var loopBodyLabel = il.DefineLabel();
var loopCheckLabel = il.DefineLabel();
il.Emit(OpCodes.Br_S, loopCheckLabel);
// loop body
il.MarkLabel(loopBodyLabel);
var data = ctx.GetTypeDataForCall(elemType);
if (data.NeedsInstanceParameter)
{
il.Emit(OpCodes.Ldarg_0);
}
// write element at index i
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Ldloc_S, idxLocal);
il.Emit(OpCodes.Ldelem, elemType);
il.Emit(OpCodes.Call, data.WriterMethodInfo);
// i = i + 1
il.Emit(OpCodes.Ldloc_S, idxLocal);
il.Emit(OpCodes.Ldc_I4_1);
il.Emit(OpCodes.Add);
il.Emit(OpCodes.Stloc_S, idxLocal);
il.MarkLabel(loopCheckLabel);
// loop condition
il.Emit(OpCodes.Ldloc_S, idxLocal);
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Ldlen);
il.Emit(OpCodes.Conv_I4);
il.Emit(OpCodes.Blt_S, loopBodyLabel);
il.Emit(OpCodes.Ret);
}
public void GenerateReaderMethod(Type type, CodeGenContext ctx, ILGenerator il)
{
var elemType = type.GetElementType();
var lenLocal = il.DeclareLocal(typeof(uint));
// read array len
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Ldloca_S, lenLocal);
il.Emit(OpCodes.Call, ctx.GetReaderMethodInfo(typeof(uint)));
var notNullLabel = il.DefineLabel();
/* if len == 0, return null */
il.Emit(OpCodes.Ldloc_S, lenLocal);
il.Emit(OpCodes.Brtrue_S, notNullLabel);
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Ldnull);
il.Emit(OpCodes.Stind_Ref);
il.Emit(OpCodes.Ret);
il.MarkLabel(notNullLabel);
var arrLocal = il.DeclareLocal(type);
// create new array with len - 1
il.Emit(OpCodes.Ldloc_S, lenLocal);
il.Emit(OpCodes.Ldc_I4_1);
il.Emit(OpCodes.Sub);
il.Emit(OpCodes.Newarr, elemType);
il.Emit(OpCodes.Stloc_S, arrLocal);
// declare i
var idxLocal = il.DeclareLocal(typeof(int));
// i = 0
il.Emit(OpCodes.Ldc_I4_0);
il.Emit(OpCodes.Stloc_S, idxLocal);
var loopBodyLabel = il.DefineLabel();
var loopCheckLabel = il.DefineLabel();
il.Emit(OpCodes.Br_S, loopCheckLabel);
// loop body
il.MarkLabel(loopBodyLabel);
// read element to arr[i]
var data = ctx.GetTypeDataForCall(elemType);
if (data.NeedsInstanceParameter)
{
il.Emit(OpCodes.Ldarg_0);
}
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Ldloc_S, arrLocal);
il.Emit(OpCodes.Ldloc_S, idxLocal);
il.Emit(OpCodes.Ldelema, elemType);
il.Emit(OpCodes.Call, data.ReaderMethodInfo);
// i = i + 1
il.Emit(OpCodes.Ldloc_S, idxLocal);
il.Emit(OpCodes.Ldc_I4_1);
il.Emit(OpCodes.Add);
il.Emit(OpCodes.Stloc_S, idxLocal);
il.MarkLabel(loopCheckLabel);
// loop condition
il.Emit(OpCodes.Ldloc_S, idxLocal);
il.Emit(OpCodes.Ldloc_S, arrLocal);
il.Emit(OpCodes.Ldlen);
il.Emit(OpCodes.Conv_I4);
il.Emit(OpCodes.Blt_S, loopBodyLabel);
// store new array to the out value
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Ldloc_S, arrLocal);
il.Emit(OpCodes.Stind_Ref);
il.Emit(OpCodes.Ret);
}