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Added a test (not done yet) to verify we can operate on structs.

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It isn't working yet, not sure why.
#135
This commit is contained in:
Paul Knopf 2019-06-10 00:01:06 -04:00
parent 1b6952a759
commit c8fac8fd97
2 changed files with 88 additions and 7 deletions
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46
src/net/Qml.Net.Tests/CodeGen/CodeGenStructTests.cs Normal file
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@ -0,0 +1,46 @@
using System;
using System.Threading.Tasks;
using FluentAssertions;
using Qml.Net.Internal.Qml;
using Qml.Net.Internal.Types;
using Qml.Net.Tests.Types;
using Xunit;
namespace Qml.Net.Tests.CodeGen
{
public class CodeGenStructTests
{
public struct TestObject
{
public string TestProperty { get; set; }
}
[Fact]
public void Can_get_property()
{
try
{
var value = new TestObject();
value.TestProperty = "value1";
var typeInfo = NetTypeManager.GetTypeInfo<TestObject>();
typeInfo.EnsureLoaded();
var readProperty =
global::Qml.Net.Internal.CodeGen.CodeGen.BuildReadPropertyDelegate(typeInfo.GetProperty(0));
NetVariant result = new NetVariant();
Task taskResult = null;
readProperty(NetReference.CreateForObject(value), new NetVariantList(), result, ref taskResult);
result.String.Should().Be("value1");
throw new Exception("This shouldn't be ran");
}
catch (Exception ex)
{
ex.Message.Should().StartWith("Can't operate on struct types yet");
}
}
}
}

49
src/net/Qml.Net/Internal/CodeGen/CodeGen.cs
View file

@ -95,13 +95,48 @@ namespace Qml.Net.Internal.CodeGen
var tempValue = il.DeclareLocal(methodInfo.ReturnType);
// var tempValue = (({TYPE})netReference.Instance)).{METHOD}({PARAMETERS});
il.Emit(OpCodes.Ldarg_0); // net reference
il.Emit(OpCodes.Callvirt, GenericMethods.InstanceProperty.GetMethod);
il.Emit(OpCodes.Castclass, invokeType);
InvokeParameters(il, methodInfo);
il.Emit(OpCodes.Callvirt, methodInfo);
il.Emit(OpCodes.Stloc, tempValue.LocalIndex);
if (methodInfo.DeclaringType.IsValueType)
{
// NOTE: This code isn't working, not sure why.
throw new Exception("Can't operate on struct types yet. See: https://github.com/qmlnet/qmlnet/issues/135");
//IL_0000: nop
//IL_0001: ldarg.0
//IL_0002: callvirt instance object C/NetReference::get_Instance()
//IL_0007: unbox.any C/TestClass
//IL_000c: stloc.1
//IL_000d: ldloca.s 1
//IL_000f: call instance string C/TestClass::Method()
//IL_0014: stloc.0
//IL_0015: ret
// var tempValue = (({TYPE})netReference.Instance)).{METHOD}({PARAMETERS});
il.Emit(OpCodes.Ldarg_0); // net reference
il.Emit(OpCodes.Callvirt, GenericMethods.InstanceProperty.GetMethod);
//il.Emit(OpCodes.Castclass, invokeType);
il.Emit(OpCodes.Unbox_Any, invokeType);
il.Emit(OpCodes.Stloc, 1);
il.Emit(OpCodes.Ldloca_S, 1);
InvokeParameters(il, methodInfo);
il.Emit(OpCodes.Callvirt, methodInfo);
il.Emit(OpCodes.Stloc, tempValue.LocalIndex);
}
else
{
//IL_0000: nop
//IL_0001: ldarg.1
//IL_0002: callvirt instance object C/NetReference::get_Instance()
//IL_0007: castclass C/TestClass
//IL_000c: callvirt instance string C/TestClass::get_Property()
//IL_0011: stloc.0
//IL_0012: ret
// var tempValue = (({TYPE})netReference.Instance)).{METHOD}({PARAMETERS});
il.Emit(OpCodes.Ldarg_0); // net reference
il.Emit(OpCodes.Callvirt, GenericMethods.InstanceProperty.GetMethod);
il.Emit(OpCodes.Castclass, invokeType);
InvokeParameters(il, methodInfo);
il.Emit(OpCodes.Callvirt, methodInfo);
il.Emit(OpCodes.Stloc, tempValue.LocalIndex);
}
// {LOADMETHOD}(result, tempvalue)
il.Emit(OpCodes.Ldarg_2);