本文整理汇总了C#中EmitContext.EmitNullableInitialize方法的典型用法代码示例。如果您正苦于以下问题：C# EmitContext.EmitNullableInitialize方法的具体用法？C# EmitContext.EmitNullableInitialize怎么用？C# EmitContext.EmitNullableInitialize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EmitContext的用法示例。
在下文中一共展示了EmitContext.EmitNullableInitialize方法的7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: EmitNullableConstant
void EmitNullableConstant (EmitContext ec, Type type, object value)
{
if (value == null) {
var local = ec.ig.DeclareLocal (type);
ec.EmitNullableInitialize (local);
} else {
EmitConstant (ec, type.GetFirstGenericArgument (), value);
ec.EmitNullableNew (type);
}
}示例2: EmitUserDefinedLiftedLogicalShortCircuit
void EmitUserDefinedLiftedLogicalShortCircuit (EmitContext ec)
{
var ig = ec.ig;
var and = NodeType == ExpressionType.AndAlso;
var left_is_null = ig.DefineLabel ();
var ret_left = ig.DefineLabel ();
var ret_null = ig.DefineLabel ();
var done = ig.DefineLabel ();
var left = ec.EmitStored (this.left);
ec.EmitNullableHasValue (left);
ig.Emit (OpCodes.Brfalse, and ? ret_null : left_is_null);
ec.EmitNullableGetValueOrDefault (left);
ec.EmitCall (and ? GetFalseOperator () : GetTrueOperator ());
ig.Emit (OpCodes.Brtrue, ret_left);
ig.MarkLabel (left_is_null);
var right = ec.EmitStored (this.right);
ec.EmitNullableHasValue (right);
ig.Emit (OpCodes.Brfalse, ret_null);
ec.EmitNullableGetValueOrDefault (left);
ec.EmitNullableGetValueOrDefault (right);
ec.EmitCall (method);
ec.EmitNullableNew (Type);
ig.Emit (OpCodes.Br, done);
ig.MarkLabel (ret_left);
ec.EmitLoad (left);
ig.Emit (OpCodes.Br, done);
ig.MarkLabel (ret_null);
var ret = ig.DeclareLocal (Type);
ec.EmitNullableInitialize (ret);
ig.MarkLabel (done);
}示例3: EmitLiftedToNullUserDefinedOperator
void EmitLiftedToNullUserDefinedOperator (EmitContext ec)
{
var ig = ec.ig;
var ret = ig.DefineLabel ();
var done = ig.DefineLabel ();
var left = ec.EmitStored (this.left);
var right = ec.EmitStored (this.right);
ec.EmitNullableHasValue (left);
ec.EmitNullableHasValue (right);
ig.Emit (OpCodes.And);
ig.Emit (OpCodes.Brfalse, ret);
ec.EmitNullableGetValueOrDefault (left);
ec.EmitNullableGetValueOrDefault (right);
ec.EmitCall (method);
ec.EmitNullableNew (Type);
ig.Emit (OpCodes.Br, done);
ig.MarkLabel (ret);
var temp = ig.DeclareLocal (Type);
ec.EmitNullableInitialize (temp);
ig.MarkLabel (done);
}示例4: EmitLiftedToNullBinary
void EmitLiftedToNullBinary (EmitContext ec)
{
var ig = ec.ig;
var left = ec.EmitStored (this.left);
var right = ec.EmitStored (this.right);
var result = ig.DeclareLocal (Type);
var has_value = ig.DefineLabel ();
var done = ig.DefineLabel ();
ec.EmitNullableHasValue (left);
ec.EmitNullableHasValue (right);
ig.Emit (OpCodes.And);
ig.Emit (OpCodes.Brtrue, has_value);
ec.EmitNullableInitialize (result);
ig.Emit (OpCodes.Br, done);
ig.MarkLabel (has_value);
ec.EmitNullableGetValueOrDefault (left);
ec.EmitNullableGetValueOrDefault (right);
EmitBinaryOperator (ec);
ec.EmitNullableNew (result.LocalType);
ig.MarkLabel (done);
}示例5: EmitLiftedLogicalShortCircuit
void EmitLiftedLogicalShortCircuit (EmitContext ec)
{
var ig = ec.ig;
var and = NodeType == ExpressionType.AndAlso;
var left_is_null = ig.DefineLabel ();
var ret_from_left = ig.DefineLabel ();
var ret_null = ig.DefineLabel ();
var ret_new = ig.DefineLabel();
var done = ig.DefineLabel();
var left = ec.EmitStored (this.left);
ec.EmitNullableHasValue (left);
ig.Emit (OpCodes.Brfalse, left_is_null);
ec.EmitNullableGetValueOrDefault (left);
ig.Emit (OpCodes.Ldc_I4_0);
ig.Emit (OpCodes.Ceq);
ig.Emit (and ? OpCodes.Brtrue : OpCodes.Brfalse, ret_from_left);
ig.MarkLabel (left_is_null);
var right = ec.EmitStored (this.right);
ec.EmitNullableHasValue (right);
ig.Emit (OpCodes.Brfalse_S, ret_null);
ec.EmitNullableGetValueOrDefault (right);
ig.Emit (OpCodes.Ldc_I4_0);
ig.Emit (OpCodes.Ceq);
ig.Emit (and ? OpCodes.Brtrue : OpCodes.Brfalse, ret_from_left);
ec.EmitNullableHasValue (left);
ig.Emit (OpCodes.Brfalse, ret_null);
ig.Emit (and ? OpCodes.Ldc_I4_1 : OpCodes.Ldc_I4_0);
ig.Emit (OpCodes.Br_S, ret_new);
ig.MarkLabel (ret_from_left);
ig.Emit (and ? OpCodes.Ldc_I4_0 : OpCodes.Ldc_I4_1);
ig.MarkLabel (ret_new);
ec.EmitNullableNew (Type);
ig.Emit (OpCodes.Br, done);
ig.MarkLabel (ret_null);
var ret = ig.DeclareLocal (Type);
ec.EmitNullableInitialize (ret);
ig.MarkLabel (done);
}示例6: EmitLiftedUnary
void EmitLiftedUnary (EmitContext ec)
{
var ig = ec.ig;
var from = ec.EmitStored (operand);
var to = ig.DeclareLocal (Type);
var has_value = ig.DefineLabel ();
var done = ig.DefineLabel ();
ec.EmitNullableHasValue (from);
ig.Emit (OpCodes.Brtrue, has_value);
// if not has value
ec.EmitNullableInitialize (to);
ig.Emit (OpCodes.Br, done);
ig.MarkLabel (has_value);
// if has value
ec.EmitNullableGetValueOrDefault (from);
EmitUnaryOperator (ec);
ec.EmitNullableNew (Type);
ig.MarkLabel (done);
}示例7: EmitLeftLiftedToNullBinary
private void EmitLeftLiftedToNullBinary(EmitContext emitContext)
{
var ig = emitContext.ig;
var ret = ig.DefineLabel();
var done = ig.DefineLabel();
var left = emitContext.EmitStored(_left);
emitContext.EmitNullableHasValue(left);
ig.Emit(OpCodes.Brfalse, ret);
emitContext.EmitNullableGetValueOrDefault(left);
emitContext.Emit(_right);
EmitBinaryOperator(emitContext);
emitContext.EmitNullableNew(Type);
ig.Emit(OpCodes.Br, done);
ig.MarkLabel(ret);
var temp = ig.DeclareLocal(Type);
emitContext.EmitNullableInitialize(temp);
ig.MarkLabel(done);
}