bool TryCoreCompile(MethodDefinition initComp, MethodDefinition initCompRuntime, ILRootNode rootnode, string resourceId, out Exception exception)
{
try {
var body = new MethodBody(initComp);
var module = body.Method.Module;
body.InitLocals = true;
var il = body.GetILProcessor();
il.Emit(OpCodes.Nop);
if (initCompRuntime != null)
{
// Generating branching code for the Previewer
//First using the ResourceLoader
var nop = Instruction.Create(OpCodes.Nop);
var getResourceProvider = module.ImportReference(module.ImportReference(typeof(Internals.ResourceLoader))
.Resolve()
.Properties.FirstOrDefault(pd => pd.Name == "ResourceProvider")
.GetMethod);
il.Emit(OpCodes.Call, getResourceProvider);
il.Emit(OpCodes.Brfalse, nop);
il.Emit(OpCodes.Call, getResourceProvider);
il.Emit(OpCodes.Ldstr, resourceId);
var func = module.ImportReference(module.ImportReference(typeof(Func <string, string>))
.Resolve()
.Methods.FirstOrDefault(md => md.Name == "Invoke"));
func = func.ResolveGenericParameters(module.ImportReference(typeof(Func <string, string>)), module);
il.Emit(OpCodes.Callvirt, func);
il.Emit(OpCodes.Brfalse, nop);
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Call, initCompRuntime);
il.Emit(OpCodes.Ret);
il.Append(nop);
//Or using the deprecated XamlLoader
nop = Instruction.Create(OpCodes.Nop);
#pragma warning disable 0618
var getXamlFileProvider = module.ImportReference(module.ImportReference(typeof(Xaml.Internals.XamlLoader))
.Resolve()
.Properties.FirstOrDefault(pd => pd.Name == "XamlFileProvider")
.GetMethod);
#pragma warning restore 0618
il.Emit(OpCodes.Call, getXamlFileProvider);
il.Emit(OpCodes.Brfalse, nop);
il.Emit(OpCodes.Call, getXamlFileProvider);
il.Emit(OpCodes.Ldarg_0);
var getType = module.ImportReference(module.ImportReference(typeof(object))
.Resolve()
.Methods.FirstOrDefault(md => md.Name == "GetType"));
il.Emit(OpCodes.Call, getType);
func = module.ImportReference(module.ImportReference(typeof(Func <Type, string>))
.Resolve()
.Methods.FirstOrDefault(md => md.Name == "Invoke"));
func = func.ResolveGenericParameters(module.ImportReference(typeof(Func <Type, string>)), module);
il.Emit(OpCodes.Callvirt, func);
il.Emit(OpCodes.Brfalse, nop);
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Call, initCompRuntime);
il.Emit(OpCodes.Ret);
il.Append(nop);
}
var visitorContext = new ILContext(il, body, module);
rootnode.Accept(new XamlNodeVisitor((node, parent) => node.Parent = parent), null);
rootnode.Accept(new ExpandMarkupsVisitor(visitorContext), null);
rootnode.Accept(new PruneIgnoredNodesVisitor(), null);
rootnode.Accept(new CreateObjectVisitor(visitorContext), null);
rootnode.Accept(new SetNamescopesAndRegisterNamesVisitor(visitorContext), null);
rootnode.Accept(new SetFieldVisitor(visitorContext), null);
rootnode.Accept(new SetResourcesVisitor(visitorContext), null);
rootnode.Accept(new SetPropertiesVisitor(visitorContext, true), null);
il.Emit(OpCodes.Ret);
initComp.Body = body;
exception = null;
return(true);
} catch (Exception e) {
exception = e;
return(false);
}
}
bool TryCoreCompile(MethodDefinition initComp, MethodDefinition initCompRuntime, ILRootNode rootnode, out Exception exception)
{
try {
var body = new MethodBody(initComp);
var il = body.GetILProcessor();
il.Emit(OpCodes.Nop);
if (initCompRuntime != null)
{
// Generating branching code for the Previewer
// IL_0007: call class [mscorlib]System.Func`2<class [mscorlib]System.Type,string> class [Xamarin.Forms.Xaml.Internals]Xamarin.Forms.Xaml.XamlLoader::get_XamlFileProvider()
// IL_000c: brfalse IL_0031
// IL_0011: call class [mscorlib]System.Func`2<class [mscorlib]System.Type,string> class [Xamarin.Forms.Xaml.Internals]Xamarin.Forms.Xaml.XamlLoader::get_XamlFileProvider()
// IL_0016: ldarg.0
// IL_0017: call instance class [mscorlib]System.Type object::GetType()
// IL_001c: callvirt instance !1 class [mscorlib]System.Func`2<class [mscorlib]System.Type, string>::Invoke(!0)
// IL_0021: brfalse IL_0031
// IL_0026: ldarg.0
// IL_0027: call instance void class Xamarin.Forms.Xaml.UnitTests.XamlLoaderGetXamlForTypeTests::__InitComponentRuntime()
// IL_002c: ret
// IL_0031: nop
var nop = Instruction.Create(OpCodes.Nop);
var getXamlFileProvider = body.Method.Module.Import(body.Method.Module.Import(typeof(Xamarin.Forms.Xaml.Internals.XamlLoader))
.Resolve()
.Properties.FirstOrDefault(pd => pd.Name == "XamlFileProvider")
.GetMethod);
il.Emit(OpCodes.Call, getXamlFileProvider);
il.Emit(OpCodes.Brfalse, nop);
il.Emit(OpCodes.Call, getXamlFileProvider);
il.Emit(OpCodes.Ldarg_0);
var getType = body.Method.Module.Import(body.Method.Module.Import(typeof(object))
.Resolve()
.Methods.FirstOrDefault(md => md.Name == "GetType"));
il.Emit(OpCodes.Call, getType);
var func = body.Method.Module.Import(body.Method.Module.Import(typeof(Func <Type, string>))
.Resolve()
.Methods.FirstOrDefault(md => md.Name == "Invoke"));
func = func.ResolveGenericParameters(body.Method.Module.Import(typeof(Func <Type, string>)), body.Method.Module);
il.Emit(OpCodes.Callvirt, func);
il.Emit(OpCodes.Brfalse, nop);
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Call, initCompRuntime);
il.Emit(OpCodes.Ret);
il.Append(nop);
}
var visitorContext = new ILContext(il, body, body.Method.Module);
rootnode.Accept(new XamlNodeVisitor((node, parent) => node.Parent = parent), null);
rootnode.Accept(new ExpandMarkupsVisitor(visitorContext), null);
rootnode.Accept(new PruneIgnoredNodesVisitor(), null);
rootnode.Accept(new CreateObjectVisitor(visitorContext), null);
rootnode.Accept(new SetNamescopesAndRegisterNamesVisitor(visitorContext), null);
rootnode.Accept(new SetFieldVisitor(visitorContext), null);
rootnode.Accept(new SetResourcesVisitor(visitorContext), null);
rootnode.Accept(new SetPropertiesVisitor(visitorContext, true), null);
il.Emit(OpCodes.Ret);
initComp.Body = body;
exception = null;
return(true);
} catch (Exception e) {
exception = e;
return(false);
}
}
bool TryCoreCompile(MethodDefinition initComp, MethodDefinition initCompRuntime, ILRootNode rootnode, out Exception exception)
{
try {
var body = new MethodBody(initComp);
var module = body.Method.Module;
body.InitLocals = true;
var il = body.GetILProcessor();
var resourcePath = GetPathForType(module, initComp.DeclaringType);
il.Emit(Nop);
if (initCompRuntime != null)
{
// Generating branching code for the Previewer
//First using the ResourceLoader
var nop = Instruction.Create(Nop);
var getResourceProvider = module.ImportReference(module.ImportReferenceCached(typeof(Internals.ResourceLoader))
.ResolveCached()
.Properties.FirstOrDefault(pd => pd.Name == "ResourceProvider")
.GetMethod);
il.Emit(Call, getResourceProvider);
il.Emit(Brfalse, nop);
il.Emit(Call, getResourceProvider);
var getTypeFromHandle = module.ImportReferenceCached(typeof(Type).GetMethod("GetTypeFromHandle", new[] { typeof(RuntimeTypeHandle) }));
var getTypeInfo = module.ImportReferenceCached(typeof(System.Reflection.IntrospectionExtensions).GetMethod("GetTypeInfo", new Type[] { typeof(Type) }));
var getAssembly = module.ImportReferenceCached(typeof(Type).GetProperty("Assembly").GetMethod);
var getAssemblyName = module.ImportReferenceCached(typeof(System.Reflection.Assembly).GetMethod("GetName", new Type[] { }));
il.Emit(Ldtoken, module.ImportReference(initComp.DeclaringType));
il.Emit(Call, module.ImportReference(getTypeFromHandle));
il.Emit(Call, module.ImportReference(getTypeInfo));
il.Emit(Callvirt, module.ImportReference(getAssembly));
il.Emit(Callvirt, module.ImportReference(getAssemblyName)); //assemblyName
il.Emit(Ldstr, resourcePath); //resourcePath
var func = module.ImportReference(module.ImportReferenceCached(typeof(Func <System.Reflection.AssemblyName, string, string>))
.ResolveCached()
.Methods.FirstOrDefault(md => md.Name == "Invoke"));
func = func.ResolveGenericParameters(module.ImportReferenceCached(typeof(Func <System.Reflection.AssemblyName, string, string>)), module);
il.Emit(Callvirt, func);
il.Emit(Brfalse, nop);
il.Emit(Ldarg_0);
il.Emit(Call, initCompRuntime);
il.Emit(Ret);
il.Append(nop);
//Or using the deprecated XamlLoader
nop = Instruction.Create(Nop);
#pragma warning disable 0618
var getXamlFileProvider = module.ImportReference(module.ImportReferenceCached(typeof(Xaml.Internals.XamlLoader))
.ResolveCached()
.Properties.FirstOrDefault(pd => pd.Name == "XamlFileProvider")
.GetMethod);
#pragma warning restore 0618
il.Emit(Call, getXamlFileProvider);
il.Emit(Brfalse, nop);
il.Emit(Call, getXamlFileProvider);
il.Emit(Ldarg_0);
var getType = module.ImportReference(module.ImportReferenceCached(typeof(object))
.ResolveCached()
.Methods.FirstOrDefault(md => md.Name == "GetType"));
il.Emit(Call, getType);
func = module.ImportReference(module.ImportReferenceCached(typeof(Func <Type, string>))
.ResolveCached()
.Methods.FirstOrDefault(md => md.Name == "Invoke"));
func = func.ResolveGenericParameters(module.ImportReferenceCached(typeof(Func <Type, string>)), module);
il.Emit(Callvirt, func);
il.Emit(Brfalse, nop);
il.Emit(Ldarg_0);
il.Emit(Call, initCompRuntime);
il.Emit(Ret);
il.Append(nop);
}
var visitorContext = new ILContext(il, body, module);
rootnode.Accept(new XamlNodeVisitor((node, parent) => node.Parent = parent), null);
rootnode.Accept(new ExpandMarkupsVisitor(visitorContext), null);
rootnode.Accept(new PruneIgnoredNodesVisitor(), null);
rootnode.Accept(new CreateObjectVisitor(visitorContext), null);
rootnode.Accept(new SetNamescopesAndRegisterNamesVisitor(visitorContext), null);
rootnode.Accept(new SetFieldVisitor(visitorContext), null);
rootnode.Accept(new SetResourcesVisitor(visitorContext), null);
rootnode.Accept(new SetPropertiesVisitor(visitorContext, true), null);
il.Emit(Ret);
initComp.Body = body;
exception = null;
return(true);
} catch (Exception e) {
exception = e;
return(false);
}
}
