Add missing global:: prefix to type inference method parameters

src/Compiler/Microsoft.AspNetCore.Razor.Language/src/Components/ComponentGenericTypePass.cs

@@ -146,7 +146,7 @@ private void Process(ComponentIntermediateNode node)
                     var provideCascadingGenericTypes = new CascadingGenericTypeParameter
                     {
                         GenericTypeNames = typeParameters,
-                        ValueType = attribute.BoundAttribute.TypeName,
+                        ValueType = attribute.GloballyQualifiedTypeName,
                         ValueSourceNode = attribute,
                     };
 

src/Compiler/Microsoft.AspNetCore.Razor.Language/test/IntegrationTests/ComponentCodeGenerationTestBase.cs

@@ -6726,6 +6726,77 @@ public class Child<TOne, TTwo> : ComponentBase
         CompileToAssembly(generated);
     }
 
+    [Fact] // https://github.com/dotnet/razor/issues/7103
+    public void CascadingGenericInference_ParameterInNamespace()
+    {
+        // Arrange
+        AdditionalSyntaxTrees.Add(Parse("""
+            using Microsoft.AspNetCore.Components;
+
+            namespace MyApp
+            {
+                public class MyClass<T> { }
+            }
+
+            namespace MyApp.Components
+            {
+                [CascadingTypeParameter(nameof(T))]
+                public class ParentComponent<T> : ComponentBase
+                {
+                    [Parameter] public MyApp.MyClass<T> Parameter { get; set; } = null!;
+                }
+
+                public class ChildComponent<T> : ComponentBase { }
+            }
+            """));
+
+        // Act
+        var generated = CompileToCSharp("""
+            @namespace MyApp.Components
+
+            <ParentComponent Parameter="new MyClass<string>()">
+                <ChildComponent />
+            </ParentComponent>
+            """);
+
+        // Assert
+        AssertDocumentNodeMatchesBaseline(generated.CodeDocument);
+        AssertCSharpDocumentMatchesBaseline(generated.CodeDocument);
+        CompileToAssembly(generated);
+    }
+
+    [Fact]
+    public void CascadingGenericInference_Tuple()
+    {
+        // Arrange
+        AdditionalSyntaxTrees.Add(Parse("""
+            using Microsoft.AspNetCore.Components;
+
+            namespace Test
+            {
+                [CascadingTypeParameter(nameof(T))]
+                public class ParentComponent<T> : ComponentBase
+                {
+                    [Parameter] public (T, T) Parameter { get; set; }
+                }
+
+                public class ChildComponent<T> : ComponentBase { }
+            }
+            """));
+
+        // Act
+        var generated = CompileToCSharp("""
+            <ParentComponent Parameter="(1, 2)">
+                <ChildComponent />
+            </ParentComponent>
+            """);
+
+        // Assert
+        AssertDocumentNodeMatchesBaseline(generated.CodeDocument);
+        AssertCSharpDocumentMatchesBaseline(generated.CodeDocument);
+        CompileToAssembly(generated);
+    }
+
     [Fact]
     public void ChildComponent_GenericWeaklyTypedAttribute()
     {

src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/CascadingGenericInference_GenericChildContent/TestComponent.codegen.cs

@@ -91,7 +91,7 @@ public static void CreateGrid_0_CaptureParameters<TItem>(global::System.Collecti
         {
             __arg0_out = __arg0;
         }
-        public static global::Test.Column<TItem> CreateColumn_1<TItem>(global::Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder, int seq, System.Collections.Generic.IEnumerable<TItem> __syntheticArg0, int __seq0, global::Microsoft.AspNetCore.Components.RenderFragment<TItem> __arg0)
+        public static global::Test.Column<TItem> CreateColumn_1<TItem>(global::Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder, int seq, global::System.Collections.Generic.IEnumerable<TItem> __syntheticArg0, int __seq0, global::Microsoft.AspNetCore.Components.RenderFragment<TItem> __arg0)
         {
         __builder.OpenComponent<global::Test.Column<TItem>>(seq);
         __builder.AddComponentParameter(__seq0, "ChildContent", __arg0);

src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/CascadingGenericInference_GenericLambda/TestComponent.codegen.cs

@@ -101,7 +101,7 @@ public static void CreateGrid_0_CaptureParameters<TItem>(global::System.Collecti
         {
             __arg0_out = __arg0;
         }
-        public static global::Test.Column<TItem, TOutput> CreateColumn_1<TItem, TOutput>(global::Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder, int seq, System.Collections.Generic.IEnumerable<TItem> __syntheticArg0, int __seq0, global::System.Func<TItem, TOutput> __arg0)
+        public static global::Test.Column<TItem, TOutput> CreateColumn_1<TItem, TOutput>(global::Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder, int seq, global::System.Collections.Generic.IEnumerable<TItem> __syntheticArg0, int __seq0, global::System.Func<TItem, TOutput> __arg0)
         {
         __builder.OpenComponent<global::Test.Column<TItem, TOutput>>(seq);
         __builder.AddComponentParameter(__seq0, "SomeLambda", __arg0);

src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/CascadingGenericInference_Multilayer/TestComponent.codegen.cs

@@ -92,7 +92,7 @@ public static void CreateAncestor_0_CaptureParameters<TItem>(global::System.Coll
         {
             __arg0_out = __arg0;
         }
-        public static global::Test.Child<TItem> CreateChild_1<TItem>(global::Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder, int seq, System.Collections.Generic.IEnumerable<TItem> __syntheticArg0)
+        public static global::Test.Child<TItem> CreateChild_1<TItem>(global::Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder, int seq, global::System.Collections.Generic.IEnumerable<TItem> __syntheticArg0)
         {
         __builder.OpenComponent<global::Test.Child<TItem>>(seq);
         __builder.CloseComponent();

src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/CascadingGenericInference_MultipleTypes/TestComponent.codegen.cs

@@ -120,7 +120,7 @@ public static void CreateParent_0_CaptureParameters<TKey, TValue, TOther>(global
             __arg0_out = __arg0;
             __arg1_out = __arg1;
         }
-        public static global::Test.Child<TOther, TValue, TKey, TChildOnly> CreateChild_1<TOther, TValue, TKey, TChildOnly>(global::Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder, int seq, TOther __syntheticArg0, System.Collections.Generic.Dictionary<TKey, TValue> __syntheticArg1, System.Collections.Generic.Dictionary<TKey, TValue> __syntheticArg2, int __seq0, global::System.Collections.Generic.ICollection<TChildOnly> __arg0)
+        public static global::Test.Child<TOther, TValue, TKey, TChildOnly> CreateChild_1<TOther, TValue, TKey, TChildOnly>(global::Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder, int seq, TOther __syntheticArg0, global::System.Collections.Generic.Dictionary<TKey, TValue> __syntheticArg1, global::System.Collections.Generic.Dictionary<TKey, TValue> __syntheticArg2, int __seq0, global::System.Collections.Generic.ICollection<TChildOnly> __arg0)
         {
         __builder.OpenComponent<global::Test.Child<TOther, TValue, TKey, TChildOnly>>(seq);
         __builder.AddComponentParameter(__seq0, "ChildOnlyItems", __arg0);

src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/CascadingGenericInference_NotCascaded_Inferred/TestComponent.codegen.cs

@@ -90,13 +90,13 @@ public static void CreateGrid_0_CaptureParameters<TItem>(global::System.Collecti
         {
             __arg0_out = __arg0;
         }
-        public static global::Test.Column<TItem> CreateColumn_1<TItem>(global::Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder, int seq, System.Collections.Generic.IEnumerable<TItem> __syntheticArg0)
+        public static global::Test.Column<TItem> CreateColumn_1<TItem>(global::Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder, int seq, global::System.Collections.Generic.IEnumerable<TItem> __syntheticArg0)
         {
         __builder.OpenComponent<global::Test.Column<TItem>>(seq);
         __builder.CloseComponent();
         return default;
         }
-        public static global::Test.Column<TItem> CreateColumn_2<TItem>(global::Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder, int seq, System.Collections.Generic.IEnumerable<TItem> __syntheticArg0)
+        public static global::Test.Column<TItem> CreateColumn_2<TItem>(global::Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder, int seq, global::System.Collections.Generic.IEnumerable<TItem> __syntheticArg0)
         {
         __builder.OpenComponent<global::Test.Column<TItem>>(seq);
         __builder.CloseComponent();

src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/CascadingGenericInference_ParameterInNamespace/TestComponent.codegen.cs

@@ -0,0 +1,103 @@
+// <auto-generated/>
+#pragma warning disable 1591
+namespace MyApp.Components
+{
+    #line hidden
+    using System;
+    using System.Collections.Generic;
+    using System.Linq;
+    using System.Threading.Tasks;
+    using Microsoft.AspNetCore.Components;
+    public partial class TestComponent : global::Microsoft.AspNetCore.Components.ComponentBase
+    {
+        #pragma warning disable 219
+        private void __RazorDirectiveTokenHelpers__() {
+        ((global::System.Action)(() => {
+#nullable restore
+#line 1 "x:\dir\subdir\Test\TestComponent.cshtml"
+global::System.Object __typeHelper = nameof(MyApp.Components);
+
+#line default
+#line hidden
+#nullable disable
+        }
+        ))();
+        }
+        #pragma warning restore 219
+        #pragma warning disable 0414
+        private static object __o = null;
+        #pragma warning restore 0414
+        #pragma warning disable 1998
+        protected override void BuildRenderTree(global::Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder)
+        {
+            {
+                global::__Blazor.MyApp.Components.TestComponent.TypeInference.CreateParentComponent_0_CaptureParameters(
+#nullable restore
+#line 3 "x:\dir\subdir\Test\TestComponent.cshtml"
+                            new MyClass<string>()
+
+#line default
+#line hidden
+#nullable disable
+                , out var __typeInferenceArg_0___arg0);
+                var __typeInference_CreateParentComponent_0 = global::__Blazor.MyApp.Components.TestComponent.TypeInference.CreateParentComponent_0(__builder, -1, -1, __typeInferenceArg_0___arg0, -1, (__builder2) => {
+                    var __typeInference_CreateChildComponent_1 = global::__Blazor.MyApp.Components.TestComponent.TypeInference.CreateChildComponent_1(__builder2, -1, __typeInferenceArg_0___arg0);
+#nullable restore
+#line 4 "x:\dir\subdir\Test\TestComponent.cshtml"
+__o = typeof(global::MyApp.Components.ChildComponent<>);
+
+#line default
+#line hidden
+#nullable disable
+                }
+                );
+                #pragma warning disable BL0005
+                __typeInference_CreateParentComponent_0.
+#nullable restore
+#line 3 "x:\dir\subdir\Test\TestComponent.cshtml"
+                 Parameter
+
+#line default
+#line hidden
+#nullable disable
+                 = default;
+                #pragma warning restore BL0005
+            }
+#nullable restore
+#line 3 "x:\dir\subdir\Test\TestComponent.cshtml"
+__o = typeof(global::MyApp.Components.ParentComponent<>);
+
+#line default
+#line hidden
+#nullable disable
+        }
+        #pragma warning restore 1998
+    }
+}
+namespace __Blazor.MyApp.Components.TestComponent
+{
+    #line hidden
+    internal static class TypeInference
+    {
+        public static global::MyApp.Components.ParentComponent<T> CreateParentComponent_0<T>(global::Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder, int seq, int __seq0, global::MyApp.MyClass<T> __arg0, int __seq1, Microsoft.AspNetCore.Components.RenderFragment __arg1)
+        {
+        __builder.OpenComponent<global::MyApp.Components.ParentComponent<T>>(seq);
+        __builder.AddComponentParameter(__seq0, "Parameter", __arg0);
+        __builder.AddComponentParameter(__seq1, "ChildContent", __arg1);
+        __builder.CloseComponent();
+        return default;
+        }
+
+        public static void CreateParentComponent_0_CaptureParameters<T>(global::MyApp.MyClass<T> __arg0, out global::MyApp.MyClass<T> __arg0_out)
+        {
+            __arg0_out = __arg0;
+        }
+        public static global::MyApp.Components.ChildComponent<T> CreateChildComponent_1<T>(global::Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder, int seq, global::MyApp.MyClass<T> __syntheticArg0)
+        {
+        __builder.OpenComponent<global::MyApp.Components.ChildComponent<T>>(seq);
+        __builder.CloseComponent();
+        return default;
+        }
+    }
+}
+#pragma warning restore 1591

src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/CascadingGenericInference_ParameterInNamespace/TestComponent.ir.txt

@@ -0,0 +1,32 @@
+Document - 
+    NamespaceDeclaration -  - MyApp.Components
+        UsingDirective - (3:1,1 [12] ) - System
+        UsingDirective - (18:2,1 [32] ) - System.Collections.Generic
+        UsingDirective - (53:3,1 [17] ) - System.Linq
+        UsingDirective - (73:4,1 [28] ) - System.Threading.Tasks
+        UsingDirective - (104:5,1 [37] ) - Microsoft.AspNetCore.Components
+        ClassDeclaration -  - public partial - TestComponent - global::Microsoft.AspNetCore.Components.ComponentBase - 
+            DesignTimeDirective - 
+                DirectiveToken - (11:0,11 [16] x:\dir\subdir\Test\TestComponent.cshtml) - MyApp.Components
+            CSharpCode - 
+                IntermediateToken -  - CSharp - #pragma warning disable 0414
+            CSharpCode - 
+                IntermediateToken -  - CSharp - private static object __o = null;
+            CSharpCode - 
+                IntermediateToken -  - CSharp - #pragma warning restore 0414
+            MethodDeclaration -  - protected override - void - BuildRenderTree
+                HtmlContent - (29:1,0 [2] x:\dir\subdir\Test\TestComponent.cshtml)
+                    LazyIntermediateToken - (29:1,0 [2] x:\dir\subdir\Test\TestComponent.cshtml) - Html - \n
+                Component - (31:2,0 [95] x:\dir\subdir\Test\TestComponent.cshtml) - ParentComponent
+                    ComponentChildContent -  - ChildContent - context
+                        HtmlContent - (82:2,51 [6] x:\dir\subdir\Test\TestComponent.cshtml)
+                            LazyIntermediateToken - (82:2,51 [6] x:\dir\subdir\Test\TestComponent.cshtml) - Html - \n    
+                        Component - (88:3,4 [18] x:\dir\subdir\Test\TestComponent.cshtml) - ChildComponent
+                        HtmlContent - (106:3,22 [2] x:\dir\subdir\Test\TestComponent.cshtml)
+                            LazyIntermediateToken - (106:3,22 [2] x:\dir\subdir\Test\TestComponent.cshtml) - Html - \n
+                    ComponentAttribute - (59:2,28 [21] x:\dir\subdir\Test\TestComponent.cshtml) - Parameter - Parameter - AttributeStructure.DoubleQuotes
+                        LazyIntermediateToken - (59:2,28 [21] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - new MyClass<string>()
+    NamespaceDeclaration -  - __Blazor.MyApp.Components.TestComponent
+        ClassDeclaration -  - internal static - TypeInference -  - 
+            ComponentTypeInferenceMethod -  - __Blazor.MyApp.Components.TestComponent.TypeInference - CreateParentComponent_0
+            ComponentTypeInferenceMethod -  - __Blazor.MyApp.Components.TestComponent.TypeInference - CreateChildComponent_1

src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/CascadingGenericInference_ParameterInNamespace/TestComponent.mappings.txt

@@ -0,0 +1,15 @@
+Source Location: (11:0,11 [16] x:\dir\subdir\Test\TestComponent.cshtml)
+|MyApp.Components|
+Generated Location: (615:17,44 [16] )
+|MyApp.Components|
+
+Source Location: (59:2,28 [21] x:\dir\subdir\Test\TestComponent.cshtml)
+|new MyClass<string>()|
+Generated Location: (1290:36,28 [21] )
+|new MyClass<string>()|
+
+Source Location: (48:2,17 [9] x:\dir\subdir\Test\TestComponent.cshtml)
+|Parameter|
+Generated Location: (2246:57,17 [9] )
+|Parameter|
+

src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/CascadingGenericInference_Tuple/TestComponent.codegen.cs

@@ -0,0 +1,93 @@
+// <auto-generated/>
+#pragma warning disable 1591
+namespace Test
+{
+    #line hidden
+    using System;
+    using System.Collections.Generic;
+    using System.Linq;
+    using System.Threading.Tasks;
+    using Microsoft.AspNetCore.Components;
+    public partial class TestComponent : global::Microsoft.AspNetCore.Components.ComponentBase
+    {
+        #pragma warning disable 219
+        private void __RazorDirectiveTokenHelpers__() {
+        }
+        #pragma warning restore 219
+        #pragma warning disable 0414
+        private static object __o = null;
+        #pragma warning restore 0414
+        #pragma warning disable 1998
+        protected override void BuildRenderTree(global::Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder)
+        {
+            {
+                global::__Blazor.Test.TestComponent.TypeInference.CreateParentComponent_0_CaptureParameters(
+#nullable restore
+#line 1 "x:\dir\subdir\Test\TestComponent.cshtml"
+                            (1, 2)
+
+#line default
+#line hidden
+#nullable disable
+                , out var __typeInferenceArg_0___arg0);
+                var __typeInference_CreateParentComponent_0 = global::__Blazor.Test.TestComponent.TypeInference.CreateParentComponent_0(__builder, -1, -1, __typeInferenceArg_0___arg0, -1, (__builder2) => {
+                    var __typeInference_CreateChildComponent_1 = global::__Blazor.Test.TestComponent.TypeInference.CreateChildComponent_1(__builder2, -1, __typeInferenceArg_0___arg0);
+#nullable restore
+#line 2 "x:\dir\subdir\Test\TestComponent.cshtml"
+__o = typeof(global::Test.ChildComponent<>);
+
+#line default
+#line hidden
+#nullable disable
+                }
+                );
+                #pragma warning disable BL0005
+                __typeInference_CreateParentComponent_0.
+#nullable restore
+#line 1 "x:\dir\subdir\Test\TestComponent.cshtml"
+                 Parameter
+
+#line default
+#line hidden
+#nullable disable
+                 = default;
+                #pragma warning restore BL0005
+            }
+#nullable restore
+#line 1 "x:\dir\subdir\Test\TestComponent.cshtml"
+__o = typeof(global::Test.ParentComponent<>);
+
+#line default
+#line hidden
+#nullable disable
+        }
+        #pragma warning restore 1998
+    }
+}
+namespace __Blazor.Test.TestComponent
+{
+    #line hidden
+    internal static class TypeInference
+    {
+        public static global::Test.ParentComponent<T> CreateParentComponent_0<T>(global::Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder, int seq, int __seq0, (T, T) __arg0, int __seq1, Microsoft.AspNetCore.Components.RenderFragment __arg1)
+        {
+        __builder.OpenComponent<global::Test.ParentComponent<T>>(seq);
+        __builder.AddComponentParameter(__seq0, "Parameter", __arg0);
+        __builder.AddComponentParameter(__seq1, "ChildContent", __arg1);
+        __builder.CloseComponent();
+        return default;
+        }
+
+        public static void CreateParentComponent_0_CaptureParameters<T>((T, T) __arg0, out (T, T) __arg0_out)
+        {
+            __arg0_out = __arg0;
+        }
+        public static global::Test.ChildComponent<T> CreateChildComponent_1<T>(global::Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder, int seq, (T, T) __syntheticArg0)
+        {
+        __builder.OpenComponent<global::Test.ChildComponent<T>>(seq);
+        __builder.CloseComponent();
+        return default;
+        }
+    }
+}
+#pragma warning restore 1591