зеркало из https://github.com/DeGsoft/maui-linux.git
559 строки
26 KiB
C#
559 строки
26 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.Linq;
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using System.Xml;
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using Mono.Cecil;
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using Mono.Cecil.Cil;
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using Xamarin.Forms.Xaml;
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using Xamarin.Forms.Xaml.Internals;
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using static Mono.Cecil.Cil.Instruction;
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using static Mono.Cecil.Cil.OpCodes;
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namespace Xamarin.Forms.Build.Tasks
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{
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static class NodeILExtensions
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{
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public static bool CanConvertValue(this ValueNode node, ILContext context, TypeReference targetTypeRef, IEnumerable<ICustomAttributeProvider> attributeProviders)
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{
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TypeReference typeConverter = null;
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foreach (var attributeProvider in attributeProviders) {
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CustomAttribute typeConverterAttribute;
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if (
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(typeConverterAttribute =
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attributeProvider.CustomAttributes.FirstOrDefault(
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cad => TypeConverterAttribute.TypeConvertersType.Contains(cad.AttributeType.FullName))) != null) {
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typeConverter = typeConverterAttribute.ConstructorArguments[0].Value as TypeReference;
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break;
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}
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}
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return node.CanConvertValue(context, targetTypeRef, typeConverter);
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}
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public static bool CanConvertValue(this ValueNode node, ILContext context, FieldReference bpRef)
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{
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var module = context.Body.Method.Module;
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var targetTypeRef = bpRef.GetBindablePropertyType(node, module);
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var typeConverter = bpRef.GetBindablePropertyTypeConverter(module);
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return node.CanConvertValue(context, targetTypeRef, typeConverter);
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}
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public static bool CanConvertValue(this ValueNode node, ILContext context, TypeReference targetTypeRef, TypeReference typeConverter)
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{
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var str = (string)node.Value;
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var module = context.Body.Method.Module;
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//If there's a [TypeConverter], use it
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if (typeConverter != null && str != null) {
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var typeConvAttribute = typeConverter.GetCustomAttribute(module, ("Xamarin.Forms.Core", "Xamarin.Forms.Xaml", "TypeConversionAttribute"));
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if (typeConvAttribute == null) //trust the unattributed TypeConverter
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return true;
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var toType = typeConvAttribute.ConstructorArguments.First().Value as TypeReference;
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return toType.InheritsFromOrImplements(targetTypeRef);
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}
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///No reason to return false
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return true;
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}
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public static IEnumerable<Instruction> PushConvertedValue(this ValueNode node, ILContext context,
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TypeReference targetTypeRef, IEnumerable<ICustomAttributeProvider> attributeProviders,
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IEnumerable<Instruction> pushServiceProvider, bool boxValueTypes, bool unboxValueTypes)
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{
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TypeReference typeConverter = null;
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foreach (var attributeProvider in attributeProviders)
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{
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CustomAttribute typeConverterAttribute;
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if (
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(typeConverterAttribute =
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attributeProvider.CustomAttributes.FirstOrDefault(
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cad => TypeConverterAttribute.TypeConvertersType.Contains(cad.AttributeType.FullName))) != null)
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{
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typeConverter = typeConverterAttribute.ConstructorArguments[0].Value as TypeReference;
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break;
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}
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}
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return node.PushConvertedValue(context, targetTypeRef, typeConverter, pushServiceProvider, boxValueTypes,
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unboxValueTypes);
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}
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public static IEnumerable<Instruction> PushConvertedValue(this ValueNode node, ILContext context, FieldReference bpRef,
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IEnumerable<Instruction> pushServiceProvider, bool boxValueTypes, bool unboxValueTypes)
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{
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var module = context.Body.Method.Module;
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var targetTypeRef = bpRef.GetBindablePropertyType(node, module);
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var typeConverter = bpRef.GetBindablePropertyTypeConverter(module);
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return node.PushConvertedValue(context, targetTypeRef, typeConverter, pushServiceProvider, boxValueTypes,
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unboxValueTypes);
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}
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public static IEnumerable<Instruction> PushConvertedValue(this ValueNode node, ILContext context,
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TypeReference targetTypeRef, TypeReference typeConverter, IEnumerable<Instruction> pushServiceProvider,
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bool boxValueTypes, bool unboxValueTypes)
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{
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var module = context.Body.Method.Module;
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var str = (string)node.Value;
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//If the TypeConverter has a ProvideCompiledAttribute that can be resolved, shortcut this
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var compiledConverterName = typeConverter?.GetCustomAttribute(module, ("Xamarin.Forms.Core", "Xamarin.Forms.Xaml", "ProvideCompiledAttribute"))?.ConstructorArguments?.First().Value as string;
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Type compiledConverterType;
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if (compiledConverterName != null && (compiledConverterType = Type.GetType (compiledConverterName)) != null) {
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var compiledConverter = Activator.CreateInstance (compiledConverterType);
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var converter = typeof(ICompiledTypeConverter).GetMethods ().FirstOrDefault (md => md.Name == "ConvertFromString");
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IEnumerable<Instruction> instructions;
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try {
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instructions = (IEnumerable<Instruction>)converter.Invoke(compiledConverter, new object[] {
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node.Value as string, context, node as BaseNode});
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} catch (System.Reflection.TargetInvocationException tie) when (tie.InnerException is XamlParseException) {
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throw tie.InnerException;
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}
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foreach (var i in instructions)
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yield return i;
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if (targetTypeRef.IsValueType && boxValueTypes)
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yield return Instruction.Create (OpCodes.Box, module.ImportReference (targetTypeRef));
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yield break;
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}
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//If there's a [TypeConverter], use it
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if (typeConverter != null)
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{
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var isExtendedConverter = typeConverter.ImplementsInterface(module.ImportReference(("Xamarin.Forms.Core", "Xamarin.Forms", "IExtendedTypeConverter")));
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var typeConverterCtorRef = module.ImportCtorReference(typeConverter, paramCount: 0);
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var convertFromInvariantStringDefinition = isExtendedConverter
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? module.ImportReference(("Xamarin.Forms.Core", "Xamarin.Forms", "IExtendedTypeConverter"))
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.ResolveCached()
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.Methods.FirstOrDefault(md => md.Name == "ConvertFromInvariantString" && md.Parameters.Count == 2)
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: typeConverter.ResolveCached()
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.AllMethods()
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.FirstOrDefault(md => md.Name == "ConvertFromInvariantString" && md.Parameters.Count == 1);
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var convertFromInvariantStringReference = module.ImportReference(convertFromInvariantStringDefinition);
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yield return Instruction.Create(OpCodes.Newobj, typeConverterCtorRef);
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yield return Instruction.Create(OpCodes.Ldstr, node.Value as string);
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if (isExtendedConverter)
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{
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foreach (var instruction in pushServiceProvider)
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yield return instruction;
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}
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yield return Instruction.Create(OpCodes.Callvirt, convertFromInvariantStringReference);
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if (targetTypeRef.IsValueType && unboxValueTypes)
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yield return Instruction.Create(OpCodes.Unbox_Any, module.ImportReference(targetTypeRef));
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//ConvertFrom returns an object, no need to Box
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yield break;
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}
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var originalTypeRef = targetTypeRef;
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var isNullable = false;
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MethodReference nullableCtor = null;
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if (targetTypeRef.ResolveCached().FullName == "System.Nullable`1")
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{
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var nullableTypeRef = targetTypeRef;
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targetTypeRef = ((GenericInstanceType)targetTypeRef).GenericArguments[0];
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isNullable = true;
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nullableCtor = originalTypeRef.GetMethods(md => md.IsConstructor && md.Parameters.Count == 1, module).Single().Item1;
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nullableCtor = nullableCtor.ResolveGenericParameters(nullableTypeRef, module);
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}
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var implicitOperator = module.TypeSystem.String.GetImplicitOperatorTo(targetTypeRef, module);
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//Obvious Built-in conversions
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if (targetTypeRef.ResolveCached().BaseType != null && targetTypeRef.ResolveCached().BaseType.FullName == "System.Enum")
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yield return PushParsedEnum(targetTypeRef, str, node);
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else if (targetTypeRef.FullName == "System.Char")
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yield return Instruction.Create(OpCodes.Ldc_I4, unchecked((int)Char.Parse(str)));
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else if (targetTypeRef.FullName == "System.SByte")
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yield return Instruction.Create(OpCodes.Ldc_I4, unchecked((int)SByte.Parse(str, CultureInfo.InvariantCulture)));
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else if (targetTypeRef.FullName == "System.Int16")
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yield return Instruction.Create(OpCodes.Ldc_I4, unchecked((int)Int16.Parse(str, CultureInfo.InvariantCulture)));
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else if (targetTypeRef.FullName == "System.Int32")
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yield return Instruction.Create(OpCodes.Ldc_I4, Int32.Parse(str, CultureInfo.InvariantCulture));
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else if (targetTypeRef.FullName == "System.Int64")
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yield return Instruction.Create(OpCodes.Ldc_I8, Int64.Parse(str, CultureInfo.InvariantCulture));
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else if (targetTypeRef.FullName == "System.Byte")
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yield return Instruction.Create(OpCodes.Ldc_I4, unchecked((int)Byte.Parse(str, CultureInfo.InvariantCulture)));
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else if (targetTypeRef.FullName == "System.UInt16")
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yield return Instruction.Create(OpCodes.Ldc_I4, unchecked((int)UInt16.Parse(str, CultureInfo.InvariantCulture)));
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else if (targetTypeRef.FullName == "System.UInt32")
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yield return Instruction.Create(OpCodes.Ldc_I4, unchecked((int)UInt32.Parse(str, CultureInfo.InvariantCulture)));
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else if (targetTypeRef.FullName == "System.UInt64")
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yield return Instruction.Create(OpCodes.Ldc_I8, unchecked((long)UInt64.Parse(str, CultureInfo.InvariantCulture)));
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else if (targetTypeRef.FullName == "System.Single")
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yield return Instruction.Create(OpCodes.Ldc_R4, Single.Parse(str, CultureInfo.InvariantCulture));
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else if (targetTypeRef.FullName == "System.Double")
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yield return Instruction.Create(OpCodes.Ldc_R8, Double.Parse(str, CultureInfo.InvariantCulture));
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else if (targetTypeRef.FullName == "System.Boolean") {
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if (Boolean.Parse(str))
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yield return Instruction.Create(OpCodes.Ldc_I4_1);
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else
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yield return Instruction.Create(OpCodes.Ldc_I4_0);
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} else if (targetTypeRef.FullName == "System.TimeSpan") {
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var ts = TimeSpan.Parse(str, CultureInfo.InvariantCulture);
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var ticks = ts.Ticks;
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yield return Instruction.Create(OpCodes.Ldc_I8, ticks);
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yield return Instruction.Create(OpCodes.Newobj, module.ImportCtorReference(("mscorlib", "System", "TimeSpan"), parameterTypes: new[] { ("mscorlib", "System", "Int64") }));
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} else if (targetTypeRef.FullName == "System.DateTime") {
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var dt = DateTime.Parse(str, CultureInfo.InvariantCulture);
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var ticks = dt.Ticks;
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yield return Instruction.Create(OpCodes.Ldc_I8, ticks);
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yield return Instruction.Create(OpCodes.Newobj, module.ImportCtorReference(("mscorlib", "System", "DateTime"), parameterTypes: new[] { ("mscorlib", "System", "Int64") }));
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} else if (targetTypeRef.FullName == "System.String" && str.StartsWith("{}", StringComparison.Ordinal))
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yield return Instruction.Create(OpCodes.Ldstr, str.Substring(2));
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else if (targetTypeRef.FullName == "System.String")
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yield return Instruction.Create(OpCodes.Ldstr, str);
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else if (targetTypeRef.FullName == "System.Object")
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yield return Instruction.Create(OpCodes.Ldstr, str);
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else if (targetTypeRef.FullName == "System.Decimal") {
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decimal outdecimal;
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if (decimal.TryParse(str, NumberStyles.Number, CultureInfo.InvariantCulture, out outdecimal)) {
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var vardef = new VariableDefinition(module.ImportReference(("mscorlib", "System", "Decimal")));
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context.Body.Variables.Add(vardef);
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//Use an extra temp var so we can push the value to the stack, just like other cases
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// IL_0003: ldstr "adecimal"
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// IL_0008: ldc.i4.s 0x6f
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// IL_000a: call class [mscorlib]System.Globalization.CultureInfo class [mscorlib]System.Globalization.CultureInfo::get_InvariantCulture()
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// IL_000f: ldloca.s 0
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// IL_0011: call bool valuetype [mscorlib]System.Decimal::TryParse(string, valuetype [mscorlib]System.Globalization.NumberStyles, class [mscorlib]System.IFormatProvider, [out] valuetype [mscorlib]System.Decimal&)
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// IL_0016: pop
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yield return Create(Ldstr, str);
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yield return Create(Ldc_I4, 0x6f); //NumberStyles.Number
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yield return Create(Call, module.ImportPropertyGetterReference(("mscorlib", "System.Globalization", "CultureInfo"),
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propertyName: "InvariantCulture", isStatic: true));
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yield return Create(Ldloca, vardef);
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yield return Create(Call, module.ImportMethodReference(("mscorlib", "System", "Decimal"),
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methodName: "TryParse",
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parameterTypes: new[] {
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("mscorlib", "System", "String"),
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("mscorlib", "System.Globalization", "NumberStyles"),
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("mscorlib", "System", "IFormatProvider"),
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("mscorlib", "System", "Decimal"),
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},
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isStatic: true));
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yield return Create(Pop);
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yield return Create(Ldloc, vardef);
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} else {
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yield return Create(Ldc_I4_0);
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yield return Create(Newobj, module.ImportCtorReference(("mscorlib", "System", "Decimal"), parameterTypes: new[] { ("mscorlib", "System", "Int32") }));
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}
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} else if (implicitOperator != null) {
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yield return Create(Ldstr, node.Value as string);
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yield return Create(Call, module.ImportReference(implicitOperator));
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} else
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yield return Create(Ldnull);
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if (isNullable)
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yield return Create(Newobj, module.ImportReference(nullableCtor));
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if (originalTypeRef.IsValueType && boxValueTypes)
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yield return Create(Box, module.ImportReference(originalTypeRef));
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}
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static Instruction PushParsedEnum(TypeReference enumRef, string value, IXmlLineInfo lineInfo)
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{
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var enumDef = enumRef.ResolveCached();
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if (!enumDef.IsEnum)
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throw new InvalidOperationException();
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// The approved types for an enum are byte, sbyte, short, ushort, int, uint, long, or ulong.
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// https://msdn.microsoft.com/en-us/library/sbbt4032.aspx
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byte b = 0; sbyte sb = 0; short s = 0; ushort us = 0;
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int i = 0; uint ui = 0; long l = 0; ulong ul = 0;
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bool found = false;
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TypeReference typeRef = null;
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foreach (var field in enumDef.Fields)
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if (field.Name == "value__")
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typeRef = field.FieldType;
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if (typeRef == null)
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throw new ArgumentException();
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foreach (var v in value.Split(',')) {
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foreach (var field in enumDef.Fields) {
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if (field.Name == "value__")
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continue;
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if (field.Name == v.Trim()) {
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switch (typeRef.FullName) {
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case "System.Byte":
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b |= (byte)field.Constant;
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break;
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case "System.SByte":
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if (found)
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throw new XamlParseException($"Multi-valued enums are not valid on sbyte enum types", lineInfo);
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sb = (sbyte)field.Constant;
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break;
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case "System.Int16":
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s |= (short)field.Constant;
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break;
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case "System.UInt16":
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us |= (ushort)field.Constant;
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break;
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case "System.Int32":
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i |= (int)field.Constant;
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break;
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case "System.UInt32":
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ui |= (uint)field.Constant;
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break;
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case "System.Int64":
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l |= (long)field.Constant;
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break;
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case "System.UInt64":
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ul |= (ulong)field.Constant;
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break;
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}
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found = true;
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}
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}
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}
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if (!found)
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throw new XamlParseException($"Enum value not found for {value}", lineInfo);
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switch (typeRef.FullName) {
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case "System.Byte":
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return Instruction.Create(OpCodes.Ldc_I4, (int)b);
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case "System.SByte":
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return Instruction.Create(OpCodes.Ldc_I4, (int)sb);
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case "System.Int16":
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return Instruction.Create(OpCodes.Ldc_I4, (int)s);
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case "System.UInt16":
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return Instruction.Create(OpCodes.Ldc_I4, (int)us);
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case "System.Int32":
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return Instruction.Create(OpCodes.Ldc_I4, (int)i);
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case "System.UInt32":
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return Instruction.Create(OpCodes.Ldc_I4, (uint)ui);
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case "System.Int64":
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return Instruction.Create(OpCodes.Ldc_I4, (long)l);
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case "System.UInt64":
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return Instruction.Create(OpCodes.Ldc_I4, (ulong)ul);
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default:
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throw new XamlParseException($"Enum value not found for {value}", lineInfo);
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}
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}
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public static IEnumerable<Instruction> PushXmlLineInfo(this INode node, ILContext context)
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{
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var module = context.Body.Method.Module;
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var xmlLineInfo = node as IXmlLineInfo;
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if (xmlLineInfo == null) {
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yield return Create(Ldnull);
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yield break;
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}
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MethodReference ctor;
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if (xmlLineInfo.HasLineInfo()) {
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yield return Create(Ldc_I4, xmlLineInfo.LineNumber);
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yield return Create(Ldc_I4, xmlLineInfo.LinePosition);
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ctor = module.ImportCtorReference(("Xamarin.Forms.Core", "Xamarin.Forms.Xaml", "XmlLineInfo"), parameterTypes: new[] {
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("mscorlib", "System", "Int32"),
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("mscorlib", "System", "Int32"),
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});
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}
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else
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ctor = module.ImportCtorReference(("Xamarin.Forms.Core", "Xamarin.Forms.Xaml", "XmlLineInfo"), parameterTypes: null);
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yield return Create(Newobj, ctor);
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}
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public static IEnumerable<Instruction> PushParentObjectsArray(this INode node, ILContext context)
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{
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var module = context.Body.Method.Module;
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var nodes = new List<IElementNode>();
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INode n = node.Parent;
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while (n != null)
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{
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var en = n as IElementNode;
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if (en != null && context.Variables.ContainsKey(en))
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nodes.Add(en);
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n = n.Parent;
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}
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if (nodes.Count == 0 && context.ParentContextValues == null)
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{
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yield return Instruction.Create(OpCodes.Ldnull);
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yield break;
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}
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if (nodes.Count == 0)
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{
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yield return Instruction.Create(OpCodes.Ldarg_0);
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yield return Instruction.Create(OpCodes.Ldfld, context.ParentContextValues);
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yield break;
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}
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//Compute parent object length
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if (context.ParentContextValues != null)
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{
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yield return Instruction.Create(OpCodes.Ldarg_0);
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yield return Instruction.Create(OpCodes.Ldfld, context.ParentContextValues);
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yield return Instruction.Create(OpCodes.Ldlen);
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yield return Instruction.Create(OpCodes.Conv_I4);
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}
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else
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yield return Instruction.Create(OpCodes.Ldc_I4_0);
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var parentObjectLength = new VariableDefinition(module.TypeSystem.Int32);
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context.Body.Variables.Add(parentObjectLength);
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yield return Instruction.Create(OpCodes.Stloc, parentObjectLength);
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//Create the final array
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yield return Instruction.Create(OpCodes.Ldloc, parentObjectLength);
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yield return Instruction.Create(OpCodes.Ldc_I4, nodes.Count);
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yield return Instruction.Create(OpCodes.Add);
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yield return Instruction.Create(OpCodes.Newarr, module.TypeSystem.Object);
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var finalArray = new VariableDefinition(module.ImportArrayReference(("mscorlib", "System", "Object")));
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context.Body.Variables.Add(finalArray);
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yield return Instruction.Create(OpCodes.Stloc, finalArray);
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//Copy original array to final
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if (context.ParentContextValues != null)
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{
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yield return Create(Ldarg_0);
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yield return Create(Ldfld, context.ParentContextValues); //sourceArray
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yield return Create(Ldc_I4_0); //sourceIndex
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yield return Create(Ldloc, finalArray); //destinationArray
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yield return Create(Ldc_I4, nodes.Count); //destinationIndex
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yield return Create(Ldloc, parentObjectLength); //length
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yield return Create(Call, module.ImportMethodReference(("mscorlib", "System", "Array"),
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methodName: "Copy",
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parameterTypes: new[] {
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|
("mscorlib", "System", "Array"),
|
|
("mscorlib", "System", "Int32"),
|
|
("mscorlib", "System", "Array"),
|
|
("mscorlib", "System", "Int32"),
|
|
("mscorlib", "System", "Int32"),
|
|
},
|
|
isStatic: true));
|
|
}
|
|
|
|
//Add nodes to array
|
|
yield return Instruction.Create(OpCodes.Ldloc, finalArray);
|
|
if (nodes.Count > 0)
|
|
{
|
|
for (var i = 0; i < nodes.Count; i++)
|
|
{
|
|
var en = nodes[i];
|
|
yield return Instruction.Create(OpCodes.Dup);
|
|
yield return Instruction.Create(OpCodes.Ldc_I4, i);
|
|
yield return Instruction.Create(OpCodes.Ldloc, context.Variables[en]);
|
|
if (context.Variables[en].VariableType.IsValueType)
|
|
yield return Instruction.Create(OpCodes.Box, module.ImportReference(context.Variables[en].VariableType));
|
|
yield return Instruction.Create(OpCodes.Stelem_Ref);
|
|
}
|
|
}
|
|
}
|
|
|
|
static IEnumerable<Instruction> PushTargetProperty(FieldReference bpRef, PropertyReference propertyRef, TypeReference declaringTypeReference, ModuleDefinition module)
|
|
{
|
|
if (bpRef != null) {
|
|
yield return Create(Ldsfld, bpRef);
|
|
yield break;
|
|
}
|
|
if (propertyRef != null) {
|
|
yield return Create(Ldtoken, module.ImportReference(declaringTypeReference ?? propertyRef.DeclaringType));
|
|
yield return Create(Call, module.ImportMethodReference(("mscorlib", "System", "Type"), methodName: "GetTypeFromHandle", parameterTypes: new[] { ("mscorlib", "System", "RuntimeTypeHandle") }, isStatic: true));
|
|
yield return Create(Ldstr, propertyRef.Name);
|
|
yield return Create(Call, module.ImportMethodReference(("System.Reflection.Extensions", "System.Reflection", "RuntimeReflectionExtensions"),
|
|
methodName: "GetRuntimeProperty",
|
|
parameterTypes: new[]{
|
|
("mscorlib", "System", "Type"),
|
|
("mscorlib", "System", "String"),
|
|
},
|
|
isStatic: true));
|
|
yield break;
|
|
}
|
|
yield return Create(Ldnull);
|
|
yield break;
|
|
}
|
|
|
|
public static IEnumerable<Instruction> PushServiceProvider(this INode node, ILContext context, FieldReference bpRef = null, PropertyReference propertyRef = null, TypeReference declaringTypeReference = null)
|
|
{
|
|
var module = context.Body.Method.Module;
|
|
|
|
#if NOSERVICEPROVIDER
|
|
yield return Instruction.Create (OpCodes.Ldnull);
|
|
yield break;
|
|
#endif
|
|
|
|
var addService = module.ImportMethodReference(("Xamarin.Forms.Xaml", "Xamarin.Forms.Xaml.Internals", "XamlServiceProvider"),
|
|
methodName: "Add",
|
|
parameterTypes: new[] {
|
|
("mscorlib", "System", "Type"),
|
|
("mscorlib", "System", "Object"),
|
|
});
|
|
|
|
yield return Create(Newobj, module.ImportCtorReference(("Xamarin.Forms.Xaml", "Xamarin.Forms.Xaml.Internals", "XamlServiceProvider"), parameterTypes: null));
|
|
|
|
//Add a SimpleValueTargetProvider and register it as IProvideValueTarget and IReferenceProvider
|
|
var pushParentIl = node.PushParentObjectsArray(context).ToList();
|
|
if (pushParentIl[pushParentIl.Count - 1].OpCode != Ldnull) {
|
|
yield return Create(Dup); //Keep the serviceProvider on the stack
|
|
yield return Create(Ldtoken, module.ImportReference(("Xamarin.Forms.Core", "Xamarin.Forms.Xaml", "IProvideValueTarget")));
|
|
yield return Create(Call, module.ImportMethodReference(("mscorlib", "System", "Type"), methodName: "GetTypeFromHandle", parameterTypes: new[] { ("mscorlib", "System", "RuntimeTypeHandle") }, isStatic: true));
|
|
|
|
foreach (var instruction in pushParentIl)
|
|
yield return instruction;
|
|
|
|
foreach (var instruction in PushTargetProperty(bpRef, propertyRef, declaringTypeReference, module))
|
|
yield return instruction;
|
|
|
|
if (context.Scopes.TryGetValue(node, out var scope))
|
|
yield return Create(Ldloc, scope.Item1);
|
|
else
|
|
yield return Create(Ldnull);
|
|
|
|
yield return Create(Newobj, module.ImportCtorReference(("Xamarin.Forms.Xaml", "Xamarin.Forms.Xaml.Internals", "SimpleValueTargetProvider"), paramCount: 3));
|
|
//store the provider so we can register it again with a different key
|
|
yield return Create(Dup);
|
|
var refProvider = new VariableDefinition(module.ImportReference(("mscorlib", "System", "Object")));
|
|
context.Body.Variables.Add(refProvider);
|
|
yield return Create(Stloc, refProvider);
|
|
yield return Create(Callvirt, addService);
|
|
|
|
yield return Create(Dup); //Keep the serviceProvider on the stack
|
|
yield return Create(Ldtoken, module.ImportReference(("Xamarin.Forms.Core", "Xamarin.Forms.Xaml", "IReferenceProvider")));
|
|
yield return Create(Call, module.ImportMethodReference(("mscorlib", "System", "Type"), methodName: "GetTypeFromHandle", parameterTypes: new[] { ("mscorlib", "System", "RuntimeTypeHandle") }, isStatic: true));
|
|
yield return Create(Ldloc, refProvider);
|
|
yield return Create(Callvirt, addService);
|
|
}
|
|
|
|
//Add a XamlTypeResolver
|
|
if (node.NamespaceResolver != null) {
|
|
yield return Create(Dup); //Duplicate the serviceProvider
|
|
yield return Create(Ldtoken, module.ImportReference(("Xamarin.Forms.Core", "Xamarin.Forms.Xaml", "IXamlTypeResolver")));
|
|
yield return Create(Call, module.ImportMethodReference(("mscorlib", "System", "Type"), methodName: "GetTypeFromHandle", parameterTypes: new[] { ("mscorlib", "System", "RuntimeTypeHandle") }, isStatic: true));
|
|
yield return Create(Newobj, module.ImportCtorReference(("Xamarin.Forms.Xaml", "Xamarin.Forms.Xaml.Internals", "XmlNamespaceResolver"), parameterTypes: null));
|
|
foreach (var kvp in node.NamespaceResolver.GetNamespacesInScope(XmlNamespaceScope.ExcludeXml)) {
|
|
yield return Create(Dup); //dup the resolver
|
|
yield return Create(Ldstr, kvp.Key);
|
|
yield return Create(Ldstr, kvp.Value);
|
|
yield return Create(Callvirt, module.ImportMethodReference(("Xamarin.Forms.Xaml", "Xamarin.Forms.Xaml.Internals", "XmlNamespaceResolver"),
|
|
methodName: "Add",
|
|
parameterTypes: new[] {
|
|
("mscorlib", "System", "String"),
|
|
("mscorlib", "System", "String"),
|
|
}));
|
|
}
|
|
yield return Create(Ldtoken, context.Body.Method.DeclaringType);
|
|
yield return Create(Call, module.ImportMethodReference(("mscorlib", "System", "Type"), methodName: "GetTypeFromHandle", parameterTypes: new[] { ("mscorlib", "System", "RuntimeTypeHandle") }, isStatic: true));
|
|
yield return Create(Call, module.ImportMethodReference(("mscorlib", "System.Reflection", "IntrospectionExtensions"), methodName: "GetTypeInfo", parameterTypes: new[] { ("mscorlib", "System", "Type") }, isStatic: true));
|
|
yield return Create(Callvirt, module.ImportPropertyGetterReference(("mscorlib", "System.Reflection", "TypeInfo"), propertyName: "Assembly", flatten: true));
|
|
yield return Create(Newobj, module.ImportCtorReference(("Xamarin.Forms.Xaml", "Xamarin.Forms.Xaml.Internals", "XamlTypeResolver"), paramCount: 2));
|
|
yield return Create(Callvirt, addService);
|
|
}
|
|
|
|
if (node is IXmlLineInfo) {
|
|
yield return Create(Dup); //Duplicate the serviceProvider
|
|
yield return Create(Ldtoken, module.ImportReference(("Xamarin.Forms.Core", "Xamarin.Forms.Xaml", "IXmlLineInfoProvider")));
|
|
yield return Create(Call, module.ImportMethodReference(("mscorlib", "System", "Type"), methodName: "GetTypeFromHandle", parameterTypes: new[] { ("mscorlib", "System", "RuntimeTypeHandle") }, isStatic: true));
|
|
foreach (var instruction in node.PushXmlLineInfo(context))
|
|
yield return instruction;
|
|
yield return Create(Newobj, module.ImportCtorReference(("Xamarin.Forms.Xaml", "Xamarin.Forms.Xaml.Internals", "XmlLineInfoProvider"), parameterTypes: new[] { ("System.Xml.ReaderWriter", "System.Xml", "IXmlLineInfo") }));
|
|
yield return Create(Callvirt, addService);
|
|
}
|
|
}
|
|
}
|
|
} |