public XamlILNodeEmitResult Emit(IXamlAstNode node, XamlEmitContext <IXamlILEmitter, XamlILNodeEmitResult> context, IXamlILEmitter codeGen)
{
if (node is XamlObjectFromDirectObjectNode objNode)
{
IXamlType xamlDirectType = context.GetWinUITypes().XamlDirect;
codeGen
.EmitCall(xamlDirectType.GetMethod(new FindMethodMethodSignature("GetDefault", xamlDirectType)
{
IsStatic = true
}));
context.Emit(objNode.Value, codeGen, context.GetWinUITypes().IXamlDirectObject);
codeGen
.EmitCall(xamlDirectType.GetMethod(new FindMethodMethodSignature("GetObject", context.Configuration.WellKnownTypes.Object, context.GetWinUITypes().IXamlDirectObject)))
.Castclass(objNode.Type.GetClrType());
return(XamlILNodeEmitResult.Type(0, objNode.Type.GetClrType()));
}
else if (node is XamlDirectObjectFromObjectNode directObjNode)
{
IXamlType xamlDirectType = context.GetWinUITypes().XamlDirect;
codeGen
.EmitCall(xamlDirectType.GetMethod(new FindMethodMethodSignature("GetDefault", xamlDirectType)
{
IsStatic = true
}));
context.Emit(directObjNode.Value, codeGen, context.Configuration.WellKnownTypes.Object);
codeGen
.EmitCall(xamlDirectType.GetMethod(new FindMethodMethodSignature("GetXamlDirectObject", context.GetWinUITypes().IXamlDirectObject, context.Configuration.WellKnownTypes.Object)));
return(XamlILNodeEmitResult.Type(0, context.GetWinUITypes().IXamlDirectObject));
}
return(null);
}
public XamlILNodeEmitResult Emit(IXamlAstNode node, XamlEmitContext <IXamlILEmitter, XamlILNodeEmitResult> context, IXamlILEmitter codeGen)
{
if (!(node is XamlMethodCallBaseNode mc))
{
return(null);
}
bool thisArgFromArgs = node is XamlStaticOrTargetedReturnMethodCallNode;
bool expectsVoid = node is XamlNoReturnMethodCallNode;
for (var c = 0; c < mc.Arguments.Count; c++)
{
var off = thisArgFromArgs ? 0 : 1;
var expectedType = mc.Method.ParametersWithThis[c + off];
context.Emit(mc.Arguments[c], codeGen, expectedType);
}
context.Emit(mc.Method, codeGen, expectsVoid);
var isVoid = mc.Method.ReturnType.Equals(context.Configuration.WellKnownTypes.Void);
if (!expectsVoid && isVoid)
{
throw new XamlLoadException(
$"XamlStaticReturnMethodCallNode expects a value while {mc.Method.Name} returns void", node);
}
var consumed = thisArgFromArgs ? 0 : 1;
return(isVoid || expectsVoid
? XamlILNodeEmitResult.Void(consumed)
: XamlILNodeEmitResult.Type(consumed, mc.Method.ReturnType));
}
protected override void DoEmit(XamlEmitContext <IXamlILEmitter, XamlILNodeEmitResult> context, IXamlILEmitter codeGen)
{
if (_selectors.Count == 0)
{
throw new XamlLoadException("Invalid selector count", this);
}
if (_selectors.Count == 1)
{
_selectors[0].Emit(context, codeGen);
return;
}
var listType = context.Configuration.TypeSystem.FindType("System.Collections.Generic.List`1")
.MakeGenericType(base.Type.GetClrType());
var add = listType.FindMethod("Add", context.Configuration.WellKnownTypes.Void, false, Type.GetClrType());
codeGen
.Newobj(listType.FindConstructor());
foreach (var s in _selectors)
{
codeGen.Dup();
context.Emit(s, codeGen, Type.GetClrType());
codeGen.EmitCall(add, true);
}
EmitCall(context, codeGen,
m => m.Name == "Or" && m.Parameters.Count == 1 && m.Parameters[0].Name.StartsWith("IReadOnlyList"));
}
public XamlILNodeEmitResult Emit(IXamlAstNode node, XamlEmitContext <IXamlILEmitter, XamlILNodeEmitResult> context, IXamlILEmitter codeGen)
{
if (!(node is XamlAstNewClrObjectNode n))
{
return(null);
}
var type = n.Type.GetClrType();
var ctor = n.Constructor ?? type.FindConstructor();
if (ctor == null)
{
throw new XamlLoadException("Unable to find default constructor and no non-default one is specified",
n);
}
using (codeGen.EmitNewObjectMarker())
{
for (var c = 0; c < n.Arguments.Count; c++)
{
context.Emit(n.Arguments[c], codeGen, ctor.Parameters[c]);
}
var gen = codeGen
.Emit(OpCodes.Newobj, ctor);
}
return(XamlILNodeEmitResult.Type(0, type));
}
public XamlILNodeEmitResult Emit(XamlEmitContext <IXamlILEmitter, XamlILNodeEmitResult> context, IXamlILEmitter codeGen)
{
// Discard the stack value we are "supposed" to manipulate
codeGen.Pop();
context.Emit(Imperative, codeGen, null);
return(XamlILNodeEmitResult.Void(1));
}
public XamlILNodeEmitResult Emit(IXamlAstNode node, XamlEmitContext <IXamlILEmitter, XamlILNodeEmitResult> context, IXamlILEmitter codeGen)
{
if (!(node is XamlValueWithManipulationNode vwm))
{
return(null);
}
var created = context.Emit(vwm.Value, codeGen, vwm.Type.GetClrType());
if (vwm.Manipulation != null &&
!(vwm.Manipulation is XamlManipulationGroupNode grp && grp.Children.Count == 0))
{
codeGen.Emit(OpCodes.Dup);
context.Emit(vwm.Manipulation, codeGen, null);
}
return(XamlILNodeEmitResult.Type(0, created.ReturnType));
}
public XamlILNodeEmitResult Emit(XamlEmitContext <IXamlILEmitter, XamlILNodeEmitResult> context, IXamlILEmitter codeGen)
{
context.Emit(Value, codeGen, Method.DeclaringType);
codeGen
.Ldftn(Method)
.Newobj(DelegateType.Constructors.FirstOrDefault(ct =>
ct.Parameters.Count == 2 && ct.Parameters[0].Equals(context.Configuration.WellKnownTypes.Object)));
return(XamlILNodeEmitResult.Type(0, DelegateType));
}
public virtual XamlILNodeEmitResult Emit(XamlEmitContext <IXamlILEmitter, XamlILNodeEmitResult> context, IXamlILEmitter codeGen)
{
if (Previous != null)
{
context.Emit(Previous, codeGen, Type.GetClrType());
}
DoEmit(context, codeGen);
return(XamlILNodeEmitResult.Type(0, Type.GetClrType()));
}
protected override void DoEmit(XamlEmitContext <IXamlILEmitter, XamlILNodeEmitResult> context, IXamlILEmitter codeGen)
{
codeGen.Ldsfld(PropertyFiled);
context.Emit(Value, codeGen, context.Configuration.WellKnownTypes.Object);
EmitCall(context, codeGen,
m => m.Name == "PropertyEquals" &&
m.Parameters.Count == 3 &&
m.Parameters[1].FullName == "Avalonia.AvaloniaProperty" &&
m.Parameters[2].Equals(context.Configuration.WellKnownTypes.Object));
}
public XamlILNodeEmitResult Emit(XamlEmitContext <IXamlILEmitter, XamlILNodeEmitResult> context, IXamlILEmitter codeGen)
{
codeGen
.Ldloc(context.ContextLocal);
context.Emit(Value, codeGen, Value.Type.GetClrType());
codeGen
.Stfld(context.RuntimeContext.IntermediateRootObjectField)
.Ldloc(context.ContextLocal)
.Ldfld(context.RuntimeContext.IntermediateRootObjectField);
return(XamlILNodeEmitResult.Type(0, Value.Type.GetClrType()));
}
public XamlILNodeEmitResult Emit(IXamlAstNode node, XamlEmitContext <IXamlILEmitter, XamlILNodeEmitResult> context, IXamlILEmitter codeGen)
{
if (!(node is XamlPropertyValueManipulationNode pvm))
{
return(null);
}
codeGen.EmitCall(pvm.Property.Getter);
context.Emit(pvm.Manipulation, codeGen, null);
return(XamlILNodeEmitResult.Void(1));
}
public XamlILNodeEmitResult Emit(IXamlAstNode node, XamlEmitContext <IXamlILEmitter, XamlILNodeEmitResult> context, IXamlILEmitter ilgen)
{
if (!(node is XamlMarkupExtensionNode me))
{
return(null);
}
XamlNeedsParentStackCache.Verify(context, node);
var prop = context.ParentNodes().OfType <XamlPropertyAssignmentNode>().FirstOrDefault();
var needProvideValueTarget = me.ProvideValue.Parameters.Count != 0 &&
context.RuntimeContext.PropertyTargetObject != null &&
prop != null;
void EmitPropertyDescriptor()
{
if (context.EmitMappings.ProvideValueTargetPropertyEmitter
?.Invoke(context, ilgen, prop.Property) == true)
{
return;
}
ilgen.Ldstr(prop.Property.Name);
}
context.Emit(me.Value, ilgen, me.Value.Type.GetClrType());
if (me.ProvideValue.Parameters.Count > 0)
{
ilgen
.Emit(OpCodes.Ldloc, context.ContextLocal);
}
if (needProvideValueTarget)
{
ilgen
.Ldloc(context.ContextLocal);
EmitPropertyDescriptor();
ilgen
.Stfld(context.RuntimeContext.PropertyTargetProperty);
}
ilgen.EmitCall(me.ProvideValue);
if (needProvideValueTarget)
{
ilgen
.Ldloc(context.ContextLocal)
.Ldnull()
.Stfld(context.RuntimeContext.PropertyTargetProperty);
}
return(XamlILNodeEmitResult.Type(0, me.ProvideValue.ReturnType));
}
public XamlILNodeEmitResult Emit(XamlEmitContext <IXamlILEmitter, XamlILNodeEmitResult> context, IXamlILEmitter codeGen)
{
context.Emit(Value, codeGen, context.Configuration.WellKnownTypes.Object);
var t = Type.GetClrType();
if (t.IsValueType)
{
codeGen.Unbox_Any(t);
}
else
{
codeGen.Castclass(t);
}
return(XamlILNodeEmitResult.Type(0, t));
}
protected override void DoEmit(XamlEmitContext <IXamlILEmitter, XamlILNodeEmitResult> context, IXamlILEmitter codeGen)
{
if (!XamlIlAvaloniaPropertyHelper.Emit(context, codeGen, Property))
{
throw new XamlLoadException(
$"{Property.Name} of {(Property.Setter ?? Property.Getter).DeclaringType.GetFqn()} doesn't seem to be an AvaloniaProperty",
this);
}
context.Emit(Value, codeGen, context.Configuration.WellKnownTypes.Object);
EmitCall(context, codeGen,
m => m.Name == "PropertyEquals" &&
m.Parameters.Count == 3 &&
m.Parameters[1].FullName == "Avalonia.AvaloniaProperty" &&
m.Parameters[2].Equals(context.Configuration.WellKnownTypes.Object));
}
public XamlILNodeEmitResult Emit(XamlEmitContext <IXamlILEmitter, XamlILNodeEmitResult> context, IXamlILEmitter codeGen)
{
var res = context.Emit(Value, codeGen, Value.Type.GetClrType());
var supportInitType = context.Configuration.TypeMappings.SupportInitialize;
var supportsInitialize = supportInitType != null &&
context.Configuration.TypeMappings.SupportInitialize
.IsAssignableFrom(Value.Type.GetClrType());
if (supportsInitialize)
{
codeGen
.Dup()
.EmitCall(supportInitType.FindMethod(m => m.Name == "BeginInit"));
}
return(res);
}
public XamlILNodeEmitResult Emit(XamlEmitContext <IXamlILEmitter, XamlILNodeEmitResult> context, IXamlILEmitter codeGen)
{
codeGen.Newobj(_constructor);
codeGen
.Dup()
.Ldc_I4(_values.Count)
.EmitCall(_listSetCapacityMethod);
foreach (var value in _values)
{
codeGen.Dup();
context.Emit(value, codeGen, _elementType);
codeGen.EmitCall(_listAddMethod);
}
return(XamlILNodeEmitResult.Type(0, Type.GetClrType()));
}
public XamlILNodeEmitResult Emit(IXamlAstNode node, XamlEmitContext <IXamlILEmitter, XamlILNodeEmitResult> context, IXamlILEmitter codeGen)
{
if (!(node is XamlManipulationGroupNode group))
{
return(null);
}
if (group.Children.Count == 0)
{
codeGen.Pop();
}
else
{
for (var c = 0; c < group.Children.Count; c++)
{
if (c != group.Children.Count - 1)
{
codeGen.Emit(OpCodes.Dup);
}
context.Emit(group.Children[c], codeGen, null);
}
}
return(XamlILNodeEmitResult.Void(1));
}
public XamlILNodeEmitResult Emit(XamlEmitContext <IXamlILEmitter, XamlILNodeEmitResult> context, IXamlILEmitter codeGen)
{
XamlNeedsParentStackCache.Verify(context, this);
return(context.Emit(Value, codeGen, Value.Type.GetClrType()));
}
public XamlILNodeEmitResult Emit(XamlEmitContext <IXamlILEmitter, XamlILNodeEmitResult> context, IXamlILEmitter codeGen)
{
context.Emit(Value, codeGen, Value.Type.GetClrType());
context.Emit(Manipulation, codeGen, null);
return(XamlILNodeEmitResult.Void(0));
}
protected override void DoEmit(XamlEmitContext <IXamlILEmitter, XamlILNodeEmitResult> context, IXamlILEmitter codeGen)
{
context.Emit(Argument, codeGen, Type.GetClrType());
EmitCall(context, codeGen,
m => m.Name == "Not" && m.Parameters.Count == 2 && m.Parameters[1].Equals(Type.GetClrType()));
}
