本文整理汇总了C#中System.Reflection.Emit.ILGenerator.EmitSt方法的典型用法代码示例。如果您正苦于以下问题:C# ILGenerator.EmitSt方法的具体用法?C# ILGenerator.EmitSt怎么用?C# ILGenerator.EmitSt使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Reflection.Emit.ILGenerator
的用法示例。
在下文中一共展示了ILGenerator.EmitSt方法的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: EmitPackArrayCode
static void EmitPackArrayCode (MethodInfo mi, ILGenerator il, Type t, Variable var_writer, Variable var_obj, Variable var_loop, Func<Type, MethodInfo> lookupPackMethod)
{
Type et = t.GetElementType ();
il.EmitLd (var_writer, var_obj);
il.Emit (OpCodes.Ldlen);
il.Emit (OpCodes.Call, typeof(MsgPackWriter).GetMethod("WriteArrayHeader", new Type[]{ typeof(int) }));
Label beginLabel = il.DefineLabel ();
Label exprLabel = il.DefineLabel ();
// for-loop: init loop counter
il.EmitLdc (0);
il.EmitSt (var_loop);
// jump
il.Emit (OpCodes.Br_S, exprLabel);
// mark begin-label
il.MarkLabel (beginLabel);
// write element
EmitPackMemberValueCode (et, il, var_writer, var_obj, null, var_loop, t, mi, lookupPackMethod);
// increment loop-counter
il.EmitLd (var_loop);
il.Emit (OpCodes.Ldc_I4_1);
il.Emit (OpCodes.Add);
il.EmitSt (var_loop);
// mark expression label
il.MarkLabel (exprLabel);
// expression
il.EmitLd (var_loop, var_obj);
il.Emit (OpCodes.Ldlen);
il.Emit (OpCodes.Blt_S, beginLabel);
}
示例2: EmitUnpackMapCode
static void EmitUnpackMapCode (Type type, MethodInfo mi, ILGenerator il,
Func<Type,MemberInfo[]> targetMemberSelector,
Func<MemberInfo,string> memberNameFormatter,
Func<Type, MethodInfo> lookupUnpackMethod,
Func<Type, IDictionary<string,int>> lookupMemberMapping,
MethodInfo lookupMemberMappingMethod)
{
MethodInfo failedMethod = typeof (PackILGenerator).GetMethod ("UnpackFailed", BindingFlags.Static | BindingFlags.NonPublic);
MemberInfo[] members = targetMemberSelector (type);
IDictionary<string, int> member_mapping = lookupMemberMapping (type);
for (int i = 0; i < members.Length; i ++)
member_mapping.Add (memberNameFormatter (members[i]), i);
Variable msgpackReader = Variable.CreateArg (0);
Variable obj = Variable.CreateLocal (il.DeclareLocal (type));
Variable num_of_fields = Variable.CreateLocal (il.DeclareLocal (typeof (int)));
Variable loop_idx = Variable.CreateLocal (il.DeclareLocal (typeof (int)));
Variable mapping = Variable.CreateLocal (il.DeclareLocal (typeof (IDictionary<string, int>)));
Variable switch_idx = Variable.CreateLocal (il.DeclareLocal (typeof (int)));
Variable var_type = Variable.CreateLocal (il.DeclareLocal (typeof (Type)));
// if (!MsgPackReader.Read()) UnpackFailed ();
// if (MsgPackReader.Type == TypePrefixes.Nil) return null;
// if (!MsgPackReader.IsMap ()) UnpackFailed ();
EmitUnpackReadAndTypeCheckCode (il, msgpackReader, typeof (MsgPackReader).GetMethod ("IsMap"), failedMethod, true);
// type = typeof (T)
il.Emit (OpCodes.Ldtoken, type);
il.Emit (OpCodes.Call, typeof(Type).GetMethod ("GetTypeFromHandle"));
il.EmitSt (var_type);
// mapping = LookupMemberMapping (typeof (T))
il.EmitLd (var_type);
il.Emit (OpCodes.Call, lookupMemberMappingMethod);
il.EmitSt (mapping);
// object o = FormatterServices.GetUninitializedObject (Type);
il.EmitLd (var_type);
il.Emit (OpCodes.Call, typeof (FormatterServices).GetMethod ("GetUninitializedObject"));
il.Emit (OpCodes.Castclass, type);
il.EmitSt (obj);
// num_of_fields = (int)reader.Length
il.EmitLd (msgpackReader);
il.Emit (OpCodes.Call, typeof (MsgPackReader).GetProperty ("Length").GetGetMethod ());
il.EmitSt (num_of_fields);
// Loop labels
Label lblLoopStart = il.DefineLabel ();
Label lblLoopExpr = il.DefineLabel ();
// i = 0;
il.EmitLdc (0);
il.EmitSt (loop_idx);
il.Emit (OpCodes.Br, lblLoopExpr);
il.MarkLabel (lblLoopStart);
/* process */
// if (!MsgPackReader.Read() || !MsgPackReader.IsRaw()) UnpackFailed();
EmitUnpackReadAndTypeCheckCode (il, msgpackReader, typeof (MsgPackReader).GetMethod ("IsRaw"), failedMethod, false);
// MsgPackReader.ReadRawString ()
// if (!Dictionary.TryGetValue (,)) UnpackFailed();
Label lbl3 = il.DefineLabel ();
il.EmitLd (mapping);
il.EmitLd (msgpackReader);
il.Emit (OpCodes.Call, typeof (MsgPackReader).GetMethod ("ReadRawString", new Type[0]));
il.Emit (OpCodes.Ldloca_S, (byte)switch_idx.Index);
il.Emit (OpCodes.Callvirt, typeof (IDictionary<string,int>).GetMethod ("TryGetValue"));
il.Emit (OpCodes.Brtrue, lbl3);
il.Emit (OpCodes.Call, failedMethod);
il.MarkLabel (lbl3);
// switch
Label[] switchCases = new Label[members.Length];
for (int i = 0; i < switchCases.Length; i ++)
switchCases[i] = il.DefineLabel ();
Label switchCaseEndLabel = il.DefineLabel ();
il.EmitLd (switch_idx);
il.Emit (OpCodes.Switch, switchCases);
il.Emit (OpCodes.Call, failedMethod);
for (int i = 0; i < switchCases.Length; i ++) {
il.MarkLabel (switchCases[i]);
MemberInfo minfo = members[i];
Type mt = minfo.GetMemberType ();
MethodInfo unpack_method = lookupUnpackMethod (mt);
il.EmitLd (obj);
il.EmitLd (msgpackReader);
il.Emit (OpCodes.Call, unpack_method);
il.EmitStMember (minfo);
il.Emit (OpCodes.Br, switchCaseEndLabel);
}
il.MarkLabel (switchCaseEndLabel);
// i ++
il.EmitLd (loop_idx);
il.EmitLdc (1);
il.Emit (OpCodes.Add);
il.EmitSt (loop_idx);
//.........这里部分代码省略.........
示例3: EmitUnpackArrayCode
static void EmitUnpackArrayCode (Type arrayType, MethodInfo mi, ILGenerator il,
Func<Type,MemberInfo[]> targetMemberSelector,
Func<MemberInfo,string> memberNameFormatter,
Func<Type, MethodInfo> lookupUnpackMethod)
{
Type elementType = arrayType.GetElementType ();
MethodInfo failedMethod = typeof (PackILGenerator).GetMethod ("UnpackFailed", BindingFlags.Static | BindingFlags.NonPublic);
Variable msgpackReader = Variable.CreateArg (0);
Variable obj = Variable.CreateLocal (il.DeclareLocal (arrayType));
Variable num_of_elements = Variable.CreateLocal (il.DeclareLocal (typeof (int)));
Variable loop_idx = Variable.CreateLocal (il.DeclareLocal (typeof (int)));
Variable type = Variable.CreateLocal (il.DeclareLocal (typeof (Type)));
// if (!MsgPackReader.Read() || !MsgPackReader.IsArray ()) UnpackFailed ();
EmitUnpackReadAndTypeCheckCode (il, msgpackReader, typeof (MsgPackReader).GetMethod ("IsArray"), failedMethod, true);
// type = typeof (T)
il.Emit (OpCodes.Ldtoken, elementType);
il.Emit (OpCodes.Call, typeof(Type).GetMethod ("GetTypeFromHandle"));
il.EmitSt (type);
// num_of_elements = (int)reader.Length
il.EmitLd (msgpackReader);
il.Emit (OpCodes.Call, typeof (MsgPackReader).GetProperty ("Length").GetGetMethod ());
il.EmitSt (num_of_elements);
// object o = Array.CreateInstance (Type, Length);
il.EmitLd (type);
il.EmitLd (num_of_elements);
il.Emit (OpCodes.Call, typeof (Array).GetMethod ("CreateInstance", new Type[] {typeof (Type), typeof (int)}));
il.Emit (OpCodes.Castclass, arrayType);
il.EmitSt (obj);
// Unpack element method
MethodInfo unpack_method = lookupUnpackMethod (elementType);
// Loop labels
Label lblLoopStart = il.DefineLabel ();
Label lblLoopExpr = il.DefineLabel ();
// i = 0;
il.EmitLdc (0);
il.EmitSt (loop_idx);
il.Emit (OpCodes.Br, lblLoopExpr);
il.MarkLabel (lblLoopStart);
/* process */
il.EmitLd (obj, loop_idx);
il.EmitLd (msgpackReader);
il.Emit (OpCodes.Call, unpack_method);
il.Emit (OpCodes.Stelem, elementType);
// i ++
il.EmitLd (loop_idx);
il.EmitLdc (1);
il.Emit (OpCodes.Add);
il.EmitSt (loop_idx);
// i < num_of_fields;
il.MarkLabel (lblLoopExpr);
il.EmitLd (loop_idx);
il.EmitLd (num_of_elements);
il.Emit (OpCodes.Blt, lblLoopStart);
// return
il.EmitLd (obj);
il.Emit (OpCodes.Ret);
}
示例4: EmitUnpackIL
public static void EmitUnpackIL(Type mapType, MethodInfo mi, ILGenerator il,
Func<Type, MemberInfo[]> targetMemberSelector,
Func<MemberInfo, string> memberNameFormatter,
Func<Type, MethodInfo> lookupUnpackMethod)
{
// References
var failedMethod = typeof(PackILGenerator).GetMethod("UnpackFailed", BindingFlags.Static | BindingFlags.NonPublic);
// Variables
var obj = Variable.CreateLocal(il.DeclareLocal(mapType));
var msgpackReader = Variable.CreateArg(0);
var var_type = Variable.CreateLocal(il.DeclareLocal(typeof(Type)));
var num_of_fields = Variable.CreateLocal(il.DeclareLocal(typeof(int)));
PackILGenerator.EmitUnpackReadAndTypeCheckCode(il, msgpackReader, typeof(MsgPackReader).GetMethod("IsMap"), failedMethod, true);
// num_of_fields = (int)reader.Length
il.EmitLd(msgpackReader);
il.Emit(OpCodes.Call, typeof(MsgPackReader).GetProperty("Length").GetGetMethod());
il.EmitSt(num_of_fields);
// mapType
il.EmitLd(num_of_fields);
il.Emit(OpCodes.Newobj, mapType.GetConstructor(new Type[] { typeof(int) }));
il.EmitSt(obj);
// Problems with this: It only reads empty dictionaries.
// return
il.EmitLd(obj);
il.Emit(OpCodes.Ret);
}