private void EmitUserDefinedLiftedLogicalShortCircuit(EmitContext ec)
{
ILGenerator ig = ec.ig;
bool flag = base.NodeType == ExpressionType.AndAlso;
Label label = ig.DefineLabel();
Label label2 = ig.DefineLabel();
Label label3 = ig.DefineLabel();
Label label4 = ig.DefineLabel();
LocalBuilder local = ec.EmitStored(left);
ec.EmitNullableHasValue(local);
ig.Emit(OpCodes.Brfalse, (!flag) ? label : label3);
ec.EmitNullableGetValueOrDefault(local);
ec.EmitCall((!flag) ? GetTrueOperator() : GetFalseOperator());
ig.Emit(OpCodes.Brtrue, label2);
ig.MarkLabel(label);
LocalBuilder local2 = ec.EmitStored(right);
ec.EmitNullableHasValue(local2);
ig.Emit(OpCodes.Brfalse, label3);
ec.EmitNullableGetValueOrDefault(local);
ec.EmitNullableGetValueOrDefault(local2);
ec.EmitCall(method);
ec.EmitNullableNew(base.Type);
ig.Emit(OpCodes.Br, label4);
ig.MarkLabel(label2);
ec.EmitLoad(local);
ig.Emit(OpCodes.Br, label4);
ig.MarkLabel(label3);
LocalBuilder local3 = ig.DeclareLocal(base.Type);
ec.EmitNullableInitialize(local3);
ig.MarkLabel(label4);
}
private void EmitUserDefinedLogicalShortCircuit(EmitContext ec)
{
ILGenerator ig = ec.ig;
bool flag = base.NodeType == ExpressionType.AndAlso;
Label label = ig.DefineLabel();
LocalBuilder local = ec.EmitStored(left);
ec.EmitLoad(local);
ig.Emit(OpCodes.Dup);
ec.EmitCall((!flag) ? GetTrueOperator() : GetFalseOperator());
ig.Emit(OpCodes.Brtrue, label);
ec.Emit(right);
ec.EmitCall(method);
ig.MarkLabel(label);
}
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);
}
void EmitUserDefinedLiftedOperator(EmitContext ec)
{
var local = ec.EmitStored(operand);
ec.EmitNullableGetValue(local);
ec.EmitCall(method);
}
private void EmitUserDefinedOperator(EmitContext ec)
{
if (!IsLifted)
{
ExpressionType nodeType = base.NodeType;
if (nodeType == ExpressionType.AndAlso || nodeType == ExpressionType.OrElse)
{
EmitUserDefinedLogicalShortCircuit(ec);
return;
}
left.Emit(ec);
right.Emit(ec);
ec.EmitCall(method);
}
else if (IsLiftedToNull)
{
ExpressionType nodeType = base.NodeType;
if (nodeType == ExpressionType.AndAlso || nodeType == ExpressionType.OrElse)
{
EmitUserDefinedLiftedLogicalShortCircuit(ec);
}
else
{
EmitLiftedToNullUserDefinedOperator(ec);
}
}
else
{
EmitLiftedUserDefinedOperator(ec);
}
}
private void EmitUserDefinedOperator(EmitContext ec)
{
if (!this.IsLifted)
{
ExpressionType nodeType = base.NodeType;
if (nodeType != ExpressionType.AndAlso && nodeType != ExpressionType.OrElse)
{
this.left.Emit(ec);
this.right.Emit(ec);
ec.EmitCall(this.method);
}
else
{
this.EmitUserDefinedLogicalShortCircuit(ec);
}
}
else if (this.IsLiftedToNull)
{
ExpressionType nodeType = base.NodeType;
if (nodeType != ExpressionType.AndAlso && nodeType != ExpressionType.OrElse)
{
this.EmitLiftedToNullUserDefinedOperator(ec);
}
else
{
this.EmitUserDefinedLiftedLogicalShortCircuit(ec);
}
}
else
{
this.EmitLiftedUserDefinedOperator(ec);
}
}
private void EmitUserDefinedLiftedOperator(EmitContext ec)
{
LocalBuilder local = ec.EmitStored(this.operand);
ec.EmitNullableGetValue(local);
ec.EmitCall(this.method);
}
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);
}
private void EmitPropertyAccess(EmitContext ec, PropertyInfo property)
{
MethodInfo getMethod = property.GetGetMethod(true);
if (!getMethod.IsStatic)
{
ec.EmitLoadSubject(this.expression);
}
ec.EmitCall(getMethod);
}
void EmitUserDefinedLogicalShortCircuit(EmitContext ec)
{
var ig = ec.ig;
var and = NodeType == ExpressionType.AndAlso;
var done = ig.DefineLabel();
var left = ec.EmitStored(this.left);
ec.EmitLoad(left);
ig.Emit(OpCodes.Dup);
ec.EmitCall(and ? GetFalseOperator() : GetTrueOperator());
ig.Emit(OpCodes.Brtrue, done);
ec.Emit(this.right);
ec.EmitCall(method);
ig.MarkLabel(done);
}
void EmitPropertyAccess(EmitContext ec, PropertyInfo property)
{
var getter = property.GetGetMethod(true);
if (!getter.IsStatic)
{
ec.EmitLoadSubject(expression);
}
ec.EmitCall(getter);
}
private void EmitPropertyAssignment(EmitContext ec, PropertyInfo property, LocalBuilder local)
{
MethodInfo setMethod = property.GetSetMethod(true);
if (setMethod == null)
{
throw new InvalidOperationException();
}
ec.EmitLoadSubject(local);
this.expression.Emit(ec);
ec.EmitCall(setMethod);
}
private LocalBuilder EmitLoadProperty(EmitContext ec, PropertyInfo property)
{
MethodInfo getMethod = property.GetGetMethod(nonPublic: true);
if (getMethod == null)
{
throw new NotSupportedException();
}
LocalBuilder localBuilder = ec.ig.DeclareLocal(property.PropertyType);
ec.EmitCall(getMethod);
ec.ig.Emit(OpCodes.Stloc, localBuilder);
return(localBuilder);
}
private void EmitConvertFromNullable(EmitContext ec)
{
if (IsBoxing())
{
ec.Emit(operand);
EmitBox(ec);
return;
}
ec.EmitCall(operand, operand.Type.GetMethod("get_Value"));
if (operand.Type.GetNotNullableType() != base.Type)
{
EmitPrimitiveConversion(ec, operand.Type.GetNotNullableType(), base.Type);
}
}
LocalBuilder EmitLoadProperty(EmitContext ec, PropertyInfo property)
{
var getter = property.GetGetMethod(true);
if (getter == null)
{
throw new NotSupportedException();
}
var store = ec.ig.DeclareLocal(property.PropertyType);
ec.EmitCall(getter);
ec.ig.Emit(OpCodes.Stloc, store);
return(store);
}
void EmitLiftedUserDefinedOperator(EmitContext ec)
{
var ig = ec.ig;
var ret_true = ig.DefineLabel();
var ret_false = ig.DefineLabel();
var done = ig.DefineLabel();
var left = ec.EmitStored(this.left);
var right = ec.EmitStored(this.right);
ec.EmitNullableHasValue(left);
ec.EmitNullableHasValue(right);
switch (NodeType)
{
case ExpressionType.Equal:
ig.Emit(OpCodes.Bne_Un, ret_false);
ec.EmitNullableHasValue(left);
ig.Emit(OpCodes.Brfalse, ret_true);
break;
case ExpressionType.NotEqual:
ig.Emit(OpCodes.Bne_Un, ret_true);
ec.EmitNullableHasValue(left);
ig.Emit(OpCodes.Brfalse, ret_false);
break;
default:
ig.Emit(OpCodes.And);
ig.Emit(OpCodes.Brfalse, ret_false);
break;
}
ec.EmitNullableGetValueOrDefault(left);
ec.EmitNullableGetValueOrDefault(right);
ec.EmitCall(method);
ig.Emit(OpCodes.Br, done);
ig.MarkLabel(ret_true);
ig.Emit(OpCodes.Ldc_I4_1);
ig.Emit(OpCodes.Br, done);
ig.MarkLabel(ret_false);
ig.Emit(OpCodes.Ldc_I4_0);
ig.Emit(OpCodes.Br, done);
ig.MarkLabel(done);
}
void EmitUserDefinedOperator(EmitContext ec)
{
if (!IsLifted)
{
ec.Emit(operand);
ec.EmitCall(method);
}
else if (IsLiftedToNull)
{
EmitUserDefinedLiftedToNullOperator(ec);
}
else
{
EmitUserDefinedLiftedOperator(ec);
}
}
private void EmitUserDefinedOperator(EmitContext ec)
{
if (!this.IsLifted)
{
ec.Emit(this.operand);
ec.EmitCall(this.method);
}
else if (this.IsLiftedToNull)
{
this.EmitUserDefinedLiftedToNullOperator(ec);
}
else
{
this.EmitUserDefinedLiftedOperator(ec);
}
}
private void EmitLiftedUserDefinedOperator(EmitContext ec)
{
ILGenerator ig = ec.ig;
Label label = ig.DefineLabel();
Label label2 = ig.DefineLabel();
Label label3 = ig.DefineLabel();
LocalBuilder local = ec.EmitStored(this.left);
LocalBuilder local2 = ec.EmitStored(this.right);
ec.EmitNullableHasValue(local);
ec.EmitNullableHasValue(local2);
ExpressionType nodeType = base.NodeType;
if (nodeType != ExpressionType.Equal)
{
if (nodeType != ExpressionType.NotEqual)
{
ig.Emit(OpCodes.And);
ig.Emit(OpCodes.Brfalse, label2);
}
else
{
ig.Emit(OpCodes.Bne_Un, label);
ec.EmitNullableHasValue(local);
ig.Emit(OpCodes.Brfalse, label2);
}
}
else
{
ig.Emit(OpCodes.Bne_Un, label2);
ec.EmitNullableHasValue(local);
ig.Emit(OpCodes.Brfalse, label);
}
ec.EmitNullableGetValueOrDefault(local);
ec.EmitNullableGetValueOrDefault(local2);
ec.EmitCall(this.method);
ig.Emit(OpCodes.Br, label3);
ig.MarkLabel(label);
ig.Emit(OpCodes.Ldc_I4_1);
ig.Emit(OpCodes.Br, label3);
ig.MarkLabel(label2);
ig.Emit(OpCodes.Ldc_I4_0);
ig.Emit(OpCodes.Br, label3);
ig.MarkLabel(label3);
}
private void EmitUserDefinedLiftedToNullOperator(EmitContext ec)
{
ILGenerator ig = ec.ig;
LocalBuilder local = ec.EmitStored(operand);
Label label = ig.DefineLabel();
Label label2 = ig.DefineLabel();
ec.EmitNullableHasValue(local);
ig.Emit(OpCodes.Brfalse, label);
ec.EmitNullableGetValueOrDefault(local);
ec.EmitCall(method);
ec.EmitNullableNew(base.Type);
ig.Emit(OpCodes.Br, label2);
ig.MarkLabel(label);
LocalBuilder local2 = ig.DeclareLocal(base.Type);
ec.EmitNullableInitialize(local2);
ig.MarkLabel(label2);
}
private void EmitLiftedUserDefinedOperator(EmitContext ec)
{
ILGenerator ig = ec.ig;
Label label = ig.DefineLabel();
Label label2 = ig.DefineLabel();
Label label3 = ig.DefineLabel();
LocalBuilder local = ec.EmitStored(left);
LocalBuilder local2 = ec.EmitStored(right);
ec.EmitNullableHasValue(local);
ec.EmitNullableHasValue(local2);
switch (base.NodeType)
{
case ExpressionType.Equal:
ig.Emit(OpCodes.Bne_Un, label2);
ec.EmitNullableHasValue(local);
ig.Emit(OpCodes.Brfalse, label);
break;
case ExpressionType.NotEqual:
ig.Emit(OpCodes.Bne_Un, label);
ec.EmitNullableHasValue(local);
ig.Emit(OpCodes.Brfalse, label2);
break;
default:
ig.Emit(OpCodes.And);
ig.Emit(OpCodes.Brfalse, label2);
break;
}
ec.EmitNullableGetValueOrDefault(local);
ec.EmitNullableGetValueOrDefault(local2);
ec.EmitCall(method);
ig.Emit(OpCodes.Br, label3);
ig.MarkLabel(label);
ig.Emit(OpCodes.Ldc_I4_1);
ig.Emit(OpCodes.Br, label3);
ig.MarkLabel(label2);
ig.Emit(OpCodes.Ldc_I4_0);
ig.Emit(OpCodes.Br, label3);
ig.MarkLabel(label3);
}
void EmitUserDefinedOperator(EmitContext ec)
{
if (!IsLifted)
{
switch (NodeType)
{
case ExpressionType.AndAlso:
case ExpressionType.OrElse:
EmitUserDefinedLogicalShortCircuit(ec);
break;
default:
left.Emit(ec);
right.Emit(ec);
ec.EmitCall(method);
break;
}
}
else if (IsLiftedToNull)
{
switch (NodeType)
{
case ExpressionType.AndAlso:
case ExpressionType.OrElse:
EmitUserDefinedLiftedLogicalShortCircuit(ec);
break;
default:
EmitLiftedToNullUserDefinedOperator(ec);
break;
}
}
else
{
EmitLiftedUserDefinedOperator(ec);
}
}
private void EmitUserDefinedLiftedToNullOperator(EmitContext ec)
{
var ig = ec.ig;
var local = ec.EmitStored(operand);
var ret = ig.DefineLabel();
var done = ig.DefineLabel();
ec.EmitNullableHasValue(local);
ig.Emit(OpCodes.Brfalse, ret);
ec.EmitNullableGetValueOrDefault(local);
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);
}
internal void Emit(EmitContext ec, LocalBuilder local)
{
ec.EmitCall(local, arguments, add_method);
EmitPopIfNeeded(ec);
}
internal override void Emit(EmitContext ec)
{
ec.EmitCall(expression, arguments, expression.Type.GetInvokeMethod());
}
internal override void Emit(EmitContext ec)
{
ec.EmitCall(this.obj, this.arguments, this.method);
}
internal override void Emit(EmitContext ec)
{
ec.EmitCall(obj, arguments, method);
}
