本文整理汇总了C#中Compiler.BranchIfTrue方法的典型用法代码示例。如果您正苦于以下问题：C# Compiler.BranchIfTrue方法的具体用法？C# Compiler.BranchIfTrue怎么用？C# Compiler.BranchIfTrue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Compiler的用法示例。
在下文中一共展示了Compiler.BranchIfTrue方法的12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: EmitBeq
private void EmitBeq(Compiler.CompilerContext ctx, Compiler.CodeLabel label, Type type)
{
switch (Helpers.GetTypeCode(type))
{
case ProtoTypeCode.Boolean:
case ProtoTypeCode.Byte:
case ProtoTypeCode.Char:
case ProtoTypeCode.Double:
case ProtoTypeCode.Int16:
case ProtoTypeCode.Int32:
case ProtoTypeCode.Int64:
case ProtoTypeCode.SByte:
case ProtoTypeCode.Single:
case ProtoTypeCode.UInt16:
case ProtoTypeCode.UInt32:
case ProtoTypeCode.UInt64:
ctx.BranchIfEqual(label, false);
break;
default:
MethodInfo method = type.GetMethod("op_Equality", BindingFlags.Public | BindingFlags.Static,
null, new Type[] { type, type }, null);
if (method == null || method.ReturnType != typeof(bool))
{
throw new InvalidOperationException("No suitable equality operator found for default-values of type: " + type.FullName);
}
ctx.EmitCall(method);
ctx.BranchIfTrue(label, false);
break;
}
}示例2: EmitRead
protected override void EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
{
Tail.EmitRead(ctx, valueFrom);
ctx.CopyValue();
Compiler.CodeLabel @nonEmpty = ctx.DefineLabel(), @end = ctx.DefineLabel();
ctx.LoadValue(typeof(string).GetProperty("Length"));
ctx.BranchIfTrue(@nonEmpty, true);
ctx.DiscardValue();
ctx.LoadNullRef();
ctx.Branch(@end, true);
ctx.MarkLabel(@nonEmpty);
ctx.EmitCtor(typeof(Uri), typeof(string));
ctx.MarkLabel(@end);
}示例3: EmitRead
protected override void EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
{
using (Compiler.Local loc = ctx.GetLocalWithValue(ExpectedType, valueFrom))
{
ctx.LoadAddress(loc, ExpectedType);
if (Tail.RequiresOldValue)
{
ctx.CopyValue();
ctx.LoadValue(field);
}
// value is either now on the stack or not needed
ctx.ReadNullCheckedTail(field.FieldType, Tail, null);
if (Tail.ReturnsValue)
{
if (field.FieldType.IsValueType)
{
// stack is now the return value
ctx.StoreValue(field);
}
else
{
Compiler.CodeLabel hasValue = ctx.DefineLabel(), allDone = ctx.DefineLabel();
ctx.CopyValue();
ctx.BranchIfTrue(hasValue, true); // interpret null as "don't assign"
// no value, discard
ctx.DiscardValue();
ctx.DiscardValue();
ctx.Branch(allDone, true);
ctx.MarkLabel(hasValue);
ctx.StoreValue(field);
ctx.MarkLabel(allDone);
}
}
else
{
ctx.DiscardValue();
}
}
}示例4: EmitRead
protected override void EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
{
using (Compiler.Local oldList = AppendToCollection ? ctx.GetLocalWithValue(ExpectedType, valueFrom) : null)
using(Compiler.Local builder = new Compiler.Local(ctx, builderFactory.ReturnType))
{
ctx.EmitCall(builderFactory);
ctx.StoreValue(builder);
if(AppendToCollection)
{
Compiler.CodeLabel done = ctx.DefineLabel();
if(!ExpectedType.IsValueType)
{
ctx.LoadValue(oldList);
ctx.BranchIfFalse(done, false); // old value null; nothing to add
}
PropertyInfo prop = Helpers.GetProperty(ExpectedType, "Length", false);
if(prop == null) prop = Helpers.GetProperty(ExpectedType, "Count", false);
#if !NO_GENERICS
if (prop == null) prop = Helpers.GetProperty(ResolveIReadOnlyCollection(ExpectedType, Tail.ExpectedType), "Count", false);
#endif
ctx.LoadAddress(oldList, oldList.Type);
ctx.EmitCall(Helpers.GetGetMethod(prop, false, false));
ctx.BranchIfFalse(done, false); // old list is empty; nothing to add
Type voidType = ctx.MapType(typeof(void));
if(addRange != null)
{
ctx.LoadValue(builder);
ctx.LoadValue(oldList);
ctx.EmitCall(addRange);
if (addRange.ReturnType != null && add.ReturnType != voidType) ctx.DiscardValue();
}
else
{
// loop and call Add repeatedly
MethodInfo moveNext, current, getEnumerator = GetEnumeratorInfo(ctx.Model, out moveNext, out current);
Helpers.DebugAssert(moveNext != null);
Helpers.DebugAssert(current != null);
Helpers.DebugAssert(getEnumerator != null);
Type enumeratorType = getEnumerator.ReturnType;
using (Compiler.Local iter = new Compiler.Local(ctx, enumeratorType))
{
ctx.LoadAddress(oldList, ExpectedType);
ctx.EmitCall(getEnumerator);
ctx.StoreValue(iter);
using (ctx.Using(iter))
{
Compiler.CodeLabel body = ctx.DefineLabel(), next = ctx.DefineLabel();
ctx.Branch(next, false);
ctx.MarkLabel(body);
ctx.LoadAddress(builder, builder.Type);
ctx.LoadAddress(iter, enumeratorType);
ctx.EmitCall(current);
ctx.EmitCall(add);
if (add.ReturnType != null && add.ReturnType != voidType) ctx.DiscardValue();
ctx.MarkLabel(@next);
ctx.LoadAddress(iter, enumeratorType);
ctx.EmitCall(moveNext);
ctx.BranchIfTrue(body, false);
}
}
}
ctx.MarkLabel(done);
}
EmitReadList(ctx, builder, Tail, add, packedWireType, false);
ctx.LoadAddress(builder, builder.Type);
ctx.EmitCall(finish);
if(ExpectedType != finish.ReturnType)
{
ctx.Cast(ExpectedType);
}
}
}示例5: EmitBranchIfDefaultValue
private void EmitBranchIfDefaultValue(Compiler.CompilerContext ctx, Compiler.CodeLabel label)
{
switch (Helpers.GetTypeCode(ExpectedType))
{
case ProtoTypeCode.Boolean:
if ((bool)defaultValue)
{
ctx.BranchIfTrue(label, false);
}
else
{
ctx.BranchIfFalse(label, false);
}
break;
case ProtoTypeCode.Byte:
if ((byte)defaultValue == (byte)0)
{
ctx.BranchIfFalse(label, false);
}
else
{
ctx.LoadValue((int)(byte)defaultValue);
EmitBeq(ctx, label, ExpectedType);
}
break;
case ProtoTypeCode.SByte:
if ((sbyte)defaultValue == (sbyte)0)
{
ctx.BranchIfFalse(label, false);
}
else
{
ctx.LoadValue((int)(sbyte)defaultValue);
EmitBeq(ctx, label, ExpectedType);
}
break;
case ProtoTypeCode.Int16:
if ((short)defaultValue == (short)0)
{
ctx.BranchIfFalse(label, false);
}
else
{
ctx.LoadValue((int)(short)defaultValue);
EmitBeq(ctx, label, ExpectedType);
}
break;
case ProtoTypeCode.UInt16:
if ((ushort)defaultValue == (ushort)0)
{
ctx.BranchIfFalse(label, false);
}
else
{
ctx.LoadValue((int)(ushort)defaultValue);
EmitBeq(ctx, label, ExpectedType);
}
break;
case ProtoTypeCode.Int32:
if ((int)defaultValue == (int)0)
{
ctx.BranchIfFalse(label, false);
}
else
{
ctx.LoadValue((int)defaultValue);
EmitBeq(ctx, label, ExpectedType);
}
break;
case ProtoTypeCode.UInt32:
if ((uint)defaultValue == (uint)0)
{
ctx.BranchIfFalse(label, false);
}
else
{
ctx.LoadValue((int)(uint)defaultValue);
EmitBeq(ctx, label, ExpectedType);
}
break;
case ProtoTypeCode.Char:
if ((char)defaultValue == (char)0)
{
ctx.BranchIfFalse(label, false);
}
else
{
ctx.LoadValue((int)(char)defaultValue);
EmitBeq(ctx, label, ExpectedType);
}
break;
case ProtoTypeCode.Int64:
ctx.LoadValue((long)defaultValue);
EmitBeq(ctx, label, ExpectedType);
break;
case ProtoTypeCode.UInt64:
ctx.LoadValue((long)(ulong)defaultValue);
EmitBeq(ctx, label, ExpectedType);
break;
case ProtoTypeCode.Double:
//.........这里部分代码省略.........
示例6: EmitRead
//.........这里部分代码省略.........
{
ctx.LoadAddress(objValue, ExpectedType);
ctx.BranchIfFalse(skipOld, false);
}
for (int i = 0; i < members.Length; i++)
{
ctx.LoadAddress(objValue, ExpectedType);
if (members[i] is FieldInfo)
{
ctx.LoadValue((FieldInfo)members[i]);
}
else if (members[i] is PropertyInfo)
{
ctx.LoadValue((PropertyInfo)members[i]);
}
ctx.StoreValue(locals[i]);
}
if (!Helpers.IsValueType(ExpectedType)) ctx.MarkLabel(skipOld);
using (Compiler.Local fieldNumber = new Compiler.Local(ctx, ctx.MapType(typeof(int))))
{
Compiler.CodeLabel @continue = ctx.DefineLabel(),
processField = ctx.DefineLabel(),
notRecognised = 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 (Helpers.IsValueType(locals[i].Type))
{
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(ctx.MapType(typeof(ProtoReader)).GetMethod("SkipField"));
ctx.MarkLabel(@continue);
ctx.EmitBasicRead("ReadFieldHeader", ctx.MapType(typeof(int)));
ctx.CopyValue();
ctx.StoreValue(fieldNumber);
ctx.LoadValue(0);
ctx.BranchIfGreater(processField, false);
}
for (int i = 0; i < locals.Length; i++)
{
ctx.LoadValue(locals[i]);
}
ctx.EmitCtor(ctor);
ctx.StoreValue(objValue);
}
finally
{
for (int i = 0; i < locals.Length; i++)
{
if (locals[i] != null)
locals[i].Dispose(); // release for re-use
}
}
}
}示例7: EmitInvokeCallback
void IProtoTypeSerializer.EmitCallback(Compiler.CompilerContext ctx, Compiler.Local valueFrom, TypeModel.CallbackType callbackType)
{
Helpers.DebugAssert(((IProtoTypeSerializer)this).HasCallbacks(callbackType), "Shouldn't be calling this if there is nothing to do");
MethodInfo method = callbacks == null ? null : callbacks[callbackType];
ctx.LoadValue(valueFrom);
EmitInvokeCallback(ctx, method);
Compiler.CodeLabel @break = ctx.DefineLabel();
if (CanHaveInheritance)
{
for (int i = 0; i < serializers.Length; i++)
{
IProtoSerializer ser = serializers[i];
IProtoTypeSerializer typeser;
if (ser.ExpectedType != forType && (typeser = (IProtoTypeSerializer)ser).HasCallbacks(callbackType))
{
Compiler.CodeLabel ifMatch = ctx.DefineLabel(), nextTest = ctx.DefineLabel();
ctx.CopyValue();
ctx.TryCast(ser.ExpectedType);
ctx.CopyValue();
ctx.BranchIfTrue(ifMatch, true);
ctx.DiscardValue();
ctx.Branch(nextTest, false);
ctx.MarkLabel(ifMatch);
typeser.EmitCallback(ctx, null, callbackType);
ctx.Branch(@break, false);
ctx.MarkLabel(nextTest);
}
}
}
ctx.MarkLabel(@break);
ctx.DiscardValue();
}示例8: using
void IProtoSerializer.EmitWrite(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
{
Type expected = ExpectedType;
using (Compiler.Local loc = ctx.GetLocalWithValue(expected, valueFrom))
{
// pre-callbacks
EmitCallbackIfNeeded(ctx, loc, TypeModel.CallbackType.BeforeSerialize);
Compiler.CodeLabel startFields = ctx.DefineLabel();
// inheritance
if (CanHaveInheritance)
{
for (int i = 0; i < serializers.Length; i++)
{
IProtoSerializer ser = serializers[i];
if (ser.ExpectedType != forType)
{
Compiler.CodeLabel ifMatch = ctx.DefineLabel(), nextTest = ctx.DefineLabel();
ctx.LoadValue(loc);
ctx.TryCast(ser.ExpectedType);
ctx.CopyValue();
ctx.BranchIfTrue(ifMatch, true);
ctx.DiscardValue();
ctx.Branch(nextTest, true);
ctx.MarkLabel(ifMatch);
ser.EmitWrite(ctx, null);
ctx.Branch(startFields, false);
ctx.MarkLabel(nextTest);
}
}
if (constructType != null && constructType != forType)
{
using(Compiler.Local actualType = new Compiler.Local(ctx, typeof(Type)))
{
// would have jumped to "fields" if an expected sub-type, so two options:
// a: *exactly* that type, b: an *unexpected* type
ctx.LoadValue(loc);
ctx.EmitCall(typeof(object).GetMethod("GetType"));
ctx.CopyValue();
ctx.StoreValue(actualType);
ctx.LoadValue(forType);
ctx.BranchIfEqual(startFields, true);
ctx.LoadValue(actualType);
ctx.LoadValue(constructType);
ctx.BranchIfEqual(startFields, true);
}
}
else
{
// would have jumped to "fields" if an expected sub-type, so two options:
// a: *exactly* that type, b: an *unexpected* type
ctx.LoadValue(loc);
ctx.EmitCall(typeof(object).GetMethod("GetType"));
ctx.LoadValue(forType);
ctx.BranchIfEqual(startFields, true);
}
// unexpected, then... note that this *might* be a proxy, which
// is handled by ThrowUnexpectedSubtype
ctx.LoadValue(forType);
ctx.LoadValue(loc);
ctx.EmitCall(typeof(object).GetMethod("GetType"));
ctx.EmitCall(typeof(TypeModel).GetMethod("ThrowUnexpectedSubtype",
BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static));
}
// fields
ctx.MarkLabel(startFields);
for (int i = 0; i < serializers.Length; i++)
{
IProtoSerializer ser = serializers[i];
if (ser.ExpectedType == forType) ser.EmitWrite(ctx, loc);
}
// extension data
if (isExtensible)
{
ctx.LoadValue(loc);
ctx.LoadReaderWriter();
ctx.EmitCall(typeof(ProtoWriter).GetMethod("AppendExtensionData"));
}
// post-callbacks
EmitCallbackIfNeeded(ctx, loc, TypeModel.CallbackType.AfterSerialize);
}
}示例9: EmitCreateIfNull
private void EmitCreateIfNull(Compiler.CompilerContext ctx, Type type, Compiler.Local storage)
{
Helpers.DebugAssert(storage != null);
if (!type.IsValueType)
{
Compiler.CodeLabel afterNullCheck = ctx.DefineLabel();
ctx.LoadValue(storage);
ctx.BranchIfTrue(afterNullCheck, true);
// different ways of creating a new instance
bool callNoteObject = true;
if (!useConstructor)
{ // DataContractSerializer style
ctx.LoadValue(constructType);
ctx.EmitCall(typeof(BclHelpers).GetMethod("GetUninitializedObject"));
ctx.Cast(forType);
}
else if (constructType.IsClass && hasConstructor)
{ // XmlSerializer style
ctx.EmitCtor(constructType);
}
else
{
ctx.LoadValue(type);
ctx.EmitCall(typeof(TypeModel).GetMethod("ThrowCannotCreateInstance",
BindingFlags.Static | BindingFlags.Public));
ctx.LoadNullRef();
callNoteObject = false;
}
if (callNoteObject)
{
// track root object creation
ctx.CopyValue();
ctx.LoadReaderWriter();
ctx.EmitCall(typeof(ProtoReader).GetMethod("NoteObject",
BindingFlags.Static | BindingFlags.Public));
}
if (baseCtorCallbacks != null) {
for (int i = 0; i < baseCtorCallbacks.Length; i++) {
EmitInvokeCallback(ctx, baseCtorCallbacks[i]);
}
}
if (callbacks != null) EmitInvokeCallback(ctx, callbacks.BeforeDeserialize);
ctx.StoreValue(storage);
ctx.MarkLabel(afterNullCheck);
}
}示例10: EmitRead
//.........这里部分代码省略.........
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);示例11: EmitWrite
public void EmitWrite(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
{
Compiler.CodeLabel @end = ctx.DefineLabel();
using (Compiler.Local value = ctx.GetLocalWithValue(ctor.DeclaringType, valueFrom))
{
if (!baseTupleAsReference && asReference)
{
using (Compiler.Local existing = new Compiler.Local(ctx, typeof(bool)))
using (Compiler.Local tupleKey = new Compiler.Local(ctx, typeof(int)))
{
//int tupleKey = dest.NetCache.AddObjectKey(value, out existing);
ctx.LoadReaderWriter();
ctx.LoadValue(typeof(ProtoWriter).GetProperty("NetCache"));
ctx.LoadValue(value);
ctx.CastToObject(ctor.DeclaringType); // HACK : doesn't seem to get boxed from ctx.GetLocalWithValue
ctx.LoadAddress(existing, typeof(bool));
ctx.EmitCall(typeof(NetObjectCache).GetMethod("AddObjectKey", new Type[] { typeof(object), typeof(bool).MakeByRefType() }));
ctx.StoreValue(tupleKey);
//ProtoWriter.WriteUInt32(existing ? (uint) tupleKey : 0, dest);
Compiler.CodeLabel @continueBranch = ctx.DefineLabel();
ctx.LoadValue(0);
ctx.LoadValue(existing);
ctx.BranchIfFalse(@continueBranch, true);
ctx.DiscardValue();
ctx.LoadValue(tupleKey);
//ctx.CastToObject(typeof(uint));
ctx.MarkLabel(@continueBranch);
ctx.LoadReaderWriter();
ctx.EmitCall(typeof(ProtoWriter).GetMethod("WriteUInt32"));
//if (existing) { return; }
ctx.LoadValue(existing);
ctx.BranchIfTrue(@end, false);
}
}
for (int i = 0; i < tails.Length; i++)
{
Type type = GetMemberType(i);
ctx.LoadAddress(value, ExpectedType);
switch(members[i].MemberType)
{
case MemberTypes.Field:
ctx.LoadValue((FieldInfo)members[i]);
break;
case MemberTypes.Property:
ctx.LoadValue((PropertyInfo)members[i]);
break;
}
ctx.WriteNullCheckedTail(type, tails[i], null);
}
}
if (forceIssueFakeHeader)
{
ctx.LoadReaderWriter();
ctx.EmitCall(typeof(ProtoWriter).GetMethod("WriteEndGroupFieldHeaderHack"));
}
ctx.MarkLabel(@end);
}示例12: EmitCreateIfNull
private void EmitCreateIfNull(Compiler.CompilerContext ctx, Type type, Compiler.Local storage)
{
Helpers.DebugAssert(storage != null);
if (!type.IsValueType)
{
Compiler.CodeLabel afterNullCheck = ctx.DefineLabel();
ctx.LoadValue(storage);
ctx.BranchIfTrue(afterNullCheck, true);
// different ways of creating a new instance
if (!useConstructor)
{ // DataContractSerializer style
ctx.LoadValue(forType);
ctx.EmitCall(typeof(BclHelpers).GetMethod("GetUninitializedObject"));
ctx.Cast(forType);
} else if (type.IsClass && !type.IsAbstract && (
(type.GetConstructor(
BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public,
null, Helpers.EmptyTypes, null)) != null))
{ // XmlSerializer style
ctx.EmitCtor(type);
}
else
{
ctx.LoadValue(type);
ctx.EmitCall(typeof(TypeModel).GetMethod("ThrowCannotCreateInstance",
BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic));
ctx.LoadNullRef();
}
if (baseCtorCallbacks != null) {
for (int i = 0; i < baseCtorCallbacks.Length; i++) {
EmitInvokeCallback(ctx, baseCtorCallbacks[i]);
}
}
if (callbacks != null) EmitInvokeCallback(ctx, callbacks.BeforeDeserialize);
ctx.StoreValue(storage);
ctx.MarkLabel(afterNullCheck);
}
}