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Calling .NET WebAssembly code from views #1526
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0edecbd
Prototype of calling C# web assembly implemented
tomasherceg d987837
Merge branch 'main' into feature/csharp-client
tomasherceg 1f15eb0
Calling wasm imlemented - basic scenarios work
tomasherceg 13b73ab
Cleanup and refactoring
tomasherceg 7d685dd
Csharp directive renamed to Dotnet to be more generic
tomasherceg d53795a
UI tests for web assembly added
tomasherceg 9608f85
Fixed startup path
tomasherceg 4bd3e0a
Updated pipeline for wasm tooling
tomasherceg c268eb3
Merge branch 'feature/csharp-client' of https://github.com/riganti/do…
tomasherceg 8124aeb
Fix CI
tomasherceg 20adfaf
Fix CI
tomasherceg 6ba7649
Fix CI
tomasherceg f71bb3a
Fixed nullability problems
tomasherceg f526386
Fixed tests
tomasherceg b990ff4
Fixed tests
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73 changes: 73 additions & 0 deletions
73
src/Framework/Framework/Compilation/Binding/DotnetViewModuleMethodTranslator.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Linq; | ||
| using System.Reflection; | ||
| using System.Text; | ||
| using System.Threading.Tasks; | ||
| using System.Transactions; | ||
| using DotVVM.Framework.Binding; | ||
| using DotVVM.Framework.Compilation.ControlTree; | ||
| using DotVVM.Framework.Compilation.Javascript; | ||
| using DotVVM.Framework.Compilation.Javascript.Ast; | ||
| using DotVVM.Framework.Utils; | ||
|
|
||
| namespace DotVVM.Framework.Compilation.Binding | ||
| { | ||
| public class DotnetViewModuleMethodTranslator : IJavascriptMethodTranslator | ||
| { | ||
| public JsExpression? TryTranslateCall(LazyTranslatedExpression? context, LazyTranslatedExpression[] arguments, MethodInfo method) | ||
| { | ||
| // ignore static methods | ||
| if (context == null) | ||
| { | ||
| return null; | ||
| } | ||
|
|
||
| // check whether we have the annotation - otherwise the type is not used in the _dotnet context and will not be translated | ||
| var annotation = context.OriginalExpression.GetParameterAnnotation(); | ||
| if (annotation is null || annotation.ExtensionParameter is not DotnetExtensionParameter extensionParameter) | ||
| { | ||
| return null; | ||
| } | ||
|
|
||
| // check that the method is callable | ||
| if (!method.IsPublic) | ||
| { | ||
| throw new DotvvmCompilationException($"Cannot call non-public method {method.DeclaringType!.FullName}.{method.Name} on a @dotnet module!"); | ||
| } | ||
| if (method.IsAbstract) | ||
| { | ||
| throw new DotvvmCompilationException($"Cannot call abstract method {method.DeclaringType!.FullName}.{method.Name} on a @dotnet module!"); | ||
| } | ||
| if (method.IsGenericMethod || method.IsGenericMethodDefinition) | ||
| { | ||
| throw new DotvvmCompilationException($"Cannot call generic method {method.DeclaringType!.FullName}.{method.Name} on a @dotnet module!"); | ||
| } | ||
|
|
||
| // check that there are not more overloads | ||
| var allOverloads = context.NotNull().OriginalExpression.Type | ||
| .GetMethods() | ||
| .Where(m => m.Name == method.Name && m.IsPublic); | ||
| if (allOverloads.Count() > 1) | ||
| { | ||
| throw new DotvvmCompilationException($"There are multiple methods named {method.Name} on a @dotnet module {context.OriginalExpression.Type}! Overloads are not supported on @dotnet modules."); | ||
| } | ||
|
|
||
| // translate the method | ||
| var viewIdOrElementExpr = extensionParameter.IsMarkupControl ? new JsSymbolicParameter(JavascriptTranslator.CurrentElementParameter) : (JsExpression)new JsLiteral(extensionParameter.Id); | ||
|
|
||
| return new JsIdentifierExpression("dotvvm").Member("viewModules").Member("call") | ||
| .Invoke( | ||
| viewIdOrElementExpr, | ||
| new JsLiteral("dotnetWasmInvoke"), | ||
| new JsArrayExpression( | ||
| new[] { new JsLiteral(method.Name) } | ||
| .Concat(arguments.Select(a => a.JsExpression())) | ||
| .ToArray()), | ||
| new JsLiteral(true) | ||
| ) | ||
| .WithAnnotation(new ResultIsPromiseAnnotation(e => e)); | ||
| } | ||
|
|
||
| } | ||
| } |
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7 changes: 7 additions & 0 deletions
7
src/Framework/Framework/Compilation/ControlTree/IAbstractDotnetViewModuleDirective.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| namespace DotVVM.Framework.Compilation.ControlTree; | ||
|
|
||
| public interface IAbstractDotnetViewModuleDirective : IAbstractDirective | ||
| { | ||
| /// <summary>Full type name of the module specified</summary> | ||
| ITypeDescriptor? ModuleType { get; } | ||
| } |
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18 changes: 18 additions & 0 deletions
18
...Framework/Framework/Compilation/ControlTree/Resolved/ResolvedDotnetViewModuleDirective.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| using System.Collections.Immutable; | ||
| using DotVVM.Framework.Compilation.Parser.Binding.Parser; | ||
| using DotVVM.Framework.Compilation.Parser.Dothtml.Parser; | ||
|
|
||
| namespace DotVVM.Framework.Compilation.ControlTree.Resolved; | ||
|
|
||
| /// <summary> Represents the @dotnet directive - import .NET WASM module on the client side </summary> | ||
| public class ResolvedDotnetViewModuleDirective : ResolvedDirective, IAbstractDotnetViewModuleDirective | ||
| { | ||
| /// <summary>Full .NET type of the module</summary> | ||
| public ITypeDescriptor? ModuleType { get; } | ||
|
|
||
| public ResolvedDotnetViewModuleDirective(DirectiveCompilationService directiveCompilationService, DothtmlDirectiveNode node, BindingParserNode typeName, ImmutableList<NamespaceImport> imports) | ||
| : base(node) | ||
| { | ||
| ModuleType = directiveCompilationService.ResolveType(node, typeName, imports); | ||
| } | ||
| } |
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6 changes: 6 additions & 0 deletions
6
src/Framework/Framework/Compilation/Directives/DotnetViewModuleCompilationResult.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,6 @@ | ||
| using DotVVM.Framework.Binding; | ||
| using DotVVM.Framework.Compilation.ControlTree; | ||
|
|
||
| namespace DotVVM.Framework.Compilation.Directives; | ||
|
|
||
| public record DotnetViewModuleCompilationResult(DotnetExtensionParameter ExtensionParameter, ViewModuleReferenceInfo Reference); |
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It won't compile with
object.However, I'm thinking if we want to allow invoking the methods server-side. I guess it makes sense, but passing null into the constructor will just make it fail on the unexpected null reference. Maybe only allow it if the type also has parameterless constructor?