void EmitLiftedLogical(EmitContext ec)
{
var ig = ec.ig;
var and = NodeType == ExpressionType.And;
var left = ec.EmitStored(this.left);
var right = ec.EmitStored(this.right);
var ret_from_left = ig.DefineLabel();
var ret_from_right = ig.DefineLabel();
var done = ig.DefineLabel();
ec.EmitNullableGetValueOrDefault(left);
ig.Emit(OpCodes.Brtrue, ret_from_left);
ec.EmitNullableGetValueOrDefault(right);
ig.Emit(OpCodes.Brtrue, ret_from_right);
ec.EmitNullableHasValue(left);
ig.Emit(OpCodes.Brfalse, ret_from_left);
ig.MarkLabel(ret_from_right);
ec.EmitLoad(and ? left : right);
ig.Emit(OpCodes.Br, done);
ig.MarkLabel(ret_from_left);
ec.EmitLoad(and ? right : left);
ig.MarkLabel(done);
}
void EmitConvertedCoalesce(EmitContext ec)
{
var ig = ec.ig;
var done = ig.DefineLabel();
var load_right = ig.DefineLabel();
var left = ec.EmitStored(this.left);
if (left.LocalType.IsNullable())
{
ec.EmitNullableHasValue(left);
}
else
{
ec.EmitLoad(left);
}
ig.Emit(OpCodes.Brfalse, load_right);
ec.Emit(conversion);
ec.EmitLoad(left);
ig.Emit(OpCodes.Callvirt, conversion.Type.GetInvokeMethod());
ig.Emit(OpCodes.Br, done);
ig.MarkLabel(load_right);
ec.Emit(this.right);
ig.MarkLabel(done);
}
private void EmitCoalesce(EmitContext ec)
{
ILGenerator ig = ec.ig;
Label label = ig.DefineLabel();
Label label2 = ig.DefineLabel();
LocalBuilder localBuilder = ec.EmitStored(left);
bool flag = localBuilder.LocalType.IsNullable();
if (flag)
{
ec.EmitNullableHasValue(localBuilder);
}
else
{
ec.EmitLoad(localBuilder);
}
ig.Emit(OpCodes.Brfalse, label2);
if (flag && !base.Type.IsNullable())
{
ec.EmitNullableGetValue(localBuilder);
}
else
{
ec.EmitLoad(localBuilder);
}
ig.Emit(OpCodes.Br, label);
ig.MarkLabel(label2);
ec.Emit(right);
ig.MarkLabel(label);
}
internal override void Emit(EmitContext ec)
{
var local = ec.EmitStored(new_expression);
ec.EmitCollection(initializers, local);
ec.EmitLoad(local);
}
internal override void Emit(EmitContext ec)
{
LocalBuilder local = ec.EmitStored(this.new_expression);
ec.EmitCollection(this.bindings, local);
ec.EmitLoad(local);
}
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 EmitLiftedLogical(EmitContext ec)
{
ILGenerator ig = ec.ig;
bool flag = base.NodeType == ExpressionType.And;
LocalBuilder localBuilder = ec.EmitStored(left);
LocalBuilder localBuilder2 = ec.EmitStored(right);
Label label = ig.DefineLabel();
Label label2 = ig.DefineLabel();
Label label3 = ig.DefineLabel();
ec.EmitNullableGetValueOrDefault(localBuilder);
ig.Emit(OpCodes.Brtrue, label);
ec.EmitNullableGetValueOrDefault(localBuilder2);
ig.Emit(OpCodes.Brtrue, label2);
ec.EmitNullableHasValue(localBuilder);
ig.Emit(OpCodes.Brfalse, label);
ig.MarkLabel(label2);
ec.EmitLoad((!flag) ? localBuilder2 : localBuilder);
ig.Emit(OpCodes.Br, label3);
ig.MarkLabel(label);
ec.EmitLoad((!flag) ? localBuilder : localBuilder2);
ig.MarkLabel(label3);
}
void EmitCoalesce(EmitContext ec)
{
var ig = ec.ig;
var done = ig.DefineLabel();
var load_right = ig.DefineLabel();
var left = ec.EmitStored(this.left);
var left_is_nullable = left.LocalType.IsNullable();
if (left_is_nullable)
{
ec.EmitNullableHasValue(left);
}
else
{
ec.EmitLoad(left);
}
ig.Emit(OpCodes.Brfalse, load_right);
if (left_is_nullable && !Type.IsNullable())
{
ec.EmitNullableGetValue(left);
}
else
{
ec.EmitLoad(left);
}
ig.Emit(OpCodes.Br, done);
ig.MarkLabel(load_right);
ec.Emit(this.right);
ig.MarkLabel(done);
}
private void EmitConvertedCoalesce(EmitContext ec)
{
ILGenerator ig = ec.ig;
Label label = ig.DefineLabel();
Label label2 = ig.DefineLabel();
LocalBuilder localBuilder = ec.EmitStored(left);
if (localBuilder.LocalType.IsNullable())
{
ec.EmitNullableHasValue(localBuilder);
}
else
{
ec.EmitLoad(localBuilder);
}
ig.Emit(OpCodes.Brfalse, label2);
ec.Emit(conversion);
ec.EmitLoad(localBuilder);
ig.Emit(OpCodes.Callvirt, conversion.Type.GetInvokeMethod());
ig.Emit(OpCodes.Br, label);
ig.MarkLabel(label2);
ec.Emit(right);
ig.MarkLabel(label);
}
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 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);
}
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);
}
