fixed: interpolation not being warned within a trailing closure

Author: RandomHashTags

Sources/HTMLKitParse/ParseData.swift

@@ -169,9 +169,9 @@ extension HTMLKitUtilities {
                 }
             }
         }
-        if let statements = context.expansion.trailingClosure?.statements {
+        if let statements = context.trailingClosure?.statements {
             var c = context
-            c.expansion.trailingClosure = nil
+            c.trailingClosure = nil
             for statement in statements {
                 switch statement.item {
                 case .expr(let expr):
@@ -259,6 +259,7 @@ extension HTMLKitUtilities {
         if let expansion = expr.macroExpansion {
             var c = context
             c.expansion = expansion
+            c.trailingClosure = expansion.trailingClosure
             c.arguments = expansion.arguments
             switch expansion.macroName.text {
             case "html", "anyHTML", "uncheckedHTML":

Sources/HTMLKitParse/extensions/HTMLElementValueType.swift

@@ -31,7 +31,7 @@ extension HTMLElementValueType {
             return nil
         }
         var c = context
-        c.expansion.trailingClosure = function.trailingClosure
+        c.trailingClosure = function.trailingClosure
         c.arguments = function.arguments
         switch key {
         case "a": return get(c, a.self)

Sources/HTMLKitUtilities/HTMLExpansionContext.swift

@@ -15,6 +15,7 @@ public struct HTMLExpansionContext: @unchecked Sendable {
     #if canImport(SwiftSyntax) && canImport(SwiftSyntaxMacros)
     public let context:MacroExpansionContext
     public var expansion:MacroExpansionExprSyntax
+    public var trailingClosure:ClosureExprSyntax?
     public var arguments:LabeledExprListSyntax
     #endif
 
@@ -50,6 +51,7 @@ public struct HTMLExpansionContext: @unchecked Sendable {
     ) {
         self.context = context
         self.expansion = expansion.as(ExprSyntax.self)!.macroExpansion!
+        trailingClosure = expansion.trailingClosure
         self.ignoresCompilerWarnings = ignoresCompilerWarnings
         self.encoding = encoding
         self.key = key

Tests/HTMLKitTests/InterpolationTests.swift

@@ -343,7 +343,6 @@ extension InterpolationTests {
     }
 
     @Test func closureInterpolation() {
-        // TODO: fix | where are the warning diagnostics?
         let bro:String = "bro"
         let _:String = #html {
             div {