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#2515

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This commit is contained in:
Ivan Bondarev 2021-09-27 20:46:52 +02:00
parent 6e58bb53a4
commit 1521fe39c7
3 changed files with 39 additions and 2 deletions
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29
NETGenerator/NETGenerator.cs
View file

@ -9065,6 +9065,35 @@ namespace PascalABCCompiler.NETGenerator
il.Emit(OpCodes.Call, mi_right);
}
EmitOperator(value);
if (!(real_parameters[0] is IDefaultOperatorNode) && !(real_parameters[1] is IDefaultOperatorNode))
{
real_parameters[0].visit(this);
if (real_parameters[0].type is IGenericTypeInstance)
mi_left = TypeBuilder.GetMethod(ti_right.tp, typeof(Nullable<>).GetMethod("get_HasValue", new Type[] { }));
else
mi_left = ti_left.tp.GetMethod("get_HasValue", new Type[] { });
il.Emit(OpCodes.Call, mi_left);
real_parameters[1].visit(this);
if (real_parameters[1].type is IGenericTypeInstance)
mi_right = TypeBuilder.GetMethod(ti_right.tp, typeof(Nullable<>).GetMethod("get_HasValue", new Type[] { }));
else
mi_right = ti_right.tp.GetMethod("get_HasValue", new Type[] { });
il.Emit(OpCodes.Call, mi_right);
if (value.basic_function.basic_function_type == basic_function_type.objnoteq)
{
il.Emit(OpCodes.Ceq);
il.Emit(OpCodes.Ldc_I4_0);
il.Emit(OpCodes.Ceq);
il.Emit(OpCodes.Or);
}
else
{
il.Emit(OpCodes.Ceq);
il.Emit(OpCodes.And);
}
}
is_dot_expr = tmp_dot;
if (tmp_dot)
{

4
TestSuite/nullable3.pas
View file

@ -3,12 +3,12 @@
a[0,0] := 1;
assert(a[0,0] = 1);
a[0,0] := nil;
assert(a[0,0] = 0);
assert(a[0,0] <> 0);
assert(a[0,0] = nil);
var a2 : array of array of System.Nullable<integer>;
SetLength(a2,1);
SetLength(a2[0],1);
a2[0,0] := nil;
assert(a2[0,0] = 0);
assert(a2[0,0] <> 0);
assert(a2[0,0] = nil);
end.

8
TestSuite/nullable5.pas Normal file
View file

@ -0,0 +1,8 @@
begin
var i: integer? := nil;
var j: integer? := nil;
assert(not (i = 0));
assert(i <> 0);
assert(not (i <> j));
assert(i = j);
end.