Ungate SE0439 accepted parts

Author: mateusrodriguesxyz

Sources/SwiftParser/Attributes.swift

@@ -378,7 +378,7 @@ extension Parser {
       return parseAttribute(argumentMode: .customAttribute) { parser in
         let arguments = parser.parseArgumentListElements(
           pattern: .none,
-          allowTrailingComma: parser.experimentalFeatures.contains(.trailingComma)
+          allowTrailingComma: true
         )
         return .argumentList(RawLabeledExprListSyntax(elements: arguments, arena: parser.arena))
       }

Sources/SwiftParser/Availability.swift

@@ -47,17 +47,13 @@ extension Parser {
             arena: self.arena
           )
         )
-      } while keepGoing != nil && !self.atAvailabilitySpecListTerminator()
+      } while keepGoing != nil
         && self.hasProgressed(&availabilityArgumentProgress)
     }
 
     return RawAvailabilityArgumentListSyntax(elements: elements, arena: self.arena)
   }
 
-  mutating func atAvailabilitySpecListTerminator() -> Bool {
-    return self.experimentalFeatures.contains(.trailingComma) && self.at(.rightParen)
-  }
-
   enum AvailabilityArgumentKind: TokenSpecSet {
     case message
     case renamed

Sources/SwiftParser/Declarations.swift

@@ -520,7 +520,7 @@ extension Parser {
   }
 
   mutating func atGenericParametersListTerminator() -> Bool {
-    return self.experimentalFeatures.contains(.trailingComma) && self.at(prefix: ">")
+    return self.at(prefix: ">")
   }
 
   mutating func parseGenericWhereClause() -> RawGenericWhereClauseSyntax {
@@ -2039,7 +2039,7 @@ extension Parser {
     if leftParen != nil {
       args = parseArgumentListElements(
         pattern: .none,
-        allowTrailingComma: self.experimentalFeatures.contains(.trailingComma)
+        allowTrailingComma: true
       )
       (unexpectedBeforeRightParen, rightParen) = self.expect(.rightParen)
     } else {

Sources/SwiftParser/Expressions.swift

@@ -749,7 +749,7 @@ extension Parser {
         let args = self.parseArgumentListElements(
           pattern: pattern,
           flavor: flavor.callArgumentFlavor,
-          allowTrailingComma: experimentalFeatures.contains(.trailingComma)
+          allowTrailingComma: true
         )
         let (unexpectedBeforeRParen, rparen) = self.expect(.rightParen)
 
@@ -788,7 +788,7 @@ extension Parser {
         } else {
           args = self.parseArgumentListElements(
             pattern: pattern,
-            allowTrailingComma: self.experimentalFeatures.contains(.trailingComma)
+            allowTrailingComma: true
           )
         }
         let (unexpectedBeforeRSquare, rsquare) = self.expect(.rightSquare)
@@ -1024,7 +1024,7 @@ extension Parser {
         } else {
           args = self.parseArgumentListElements(
             pattern: pattern,
-            allowTrailingComma: self.experimentalFeatures.contains(.trailingComma)
+            allowTrailingComma: true
           )
         }
         let (unexpectedBeforeRSquare, rsquare) = self.expect(.rightSquare)
@@ -1322,7 +1322,7 @@ extension Parser {
     if leftParen != nil {
       args = parseArgumentListElements(
         pattern: pattern,
-        allowTrailingComma: self.experimentalFeatures.contains(.trailingComma)
+        allowTrailingComma: true
       )
       (unexpectedBeforeRightParen, rightParen) = self.expect(.rightParen)
     } else {
@@ -1439,7 +1439,7 @@ extension Parser {
     let (unexpectedBeforeLParen, lparen) = self.expect(.leftParen)
     let elements = self.parseArgumentListElements(
       pattern: pattern,
-      allowTrailingComma: experimentalFeatures.contains(.trailingComma)
+      allowTrailingComma: true
     )
     let (unexpectedBeforeRParen, rparen) = self.expect(.rightParen)
     return RawTupleExprSyntax(

Sources/SwiftParser/StringLiterals.swift

@@ -553,7 +553,7 @@ extension Parser {
         let expressions = RawLabeledExprListSyntax(
           elements: self.parseArgumentListElements(
             pattern: .none,
-            allowTrailingComma: self.experimentalFeatures.contains(.trailingComma)
+            allowTrailingComma: true
           ),
           arena: self.arena
         )

Sources/SwiftParser/Types.swift

@@ -1027,7 +1027,7 @@ extension Parser {
       return parseAttribute(argumentMode: .customAttribute) { parser in
         let arguments = parser.parseArgumentListElements(
           pattern: .none,
-          allowTrailingComma: parser.experimentalFeatures.contains(.trailingComma)
+          allowTrailingComma: true
         )
         return .argumentList(RawLabeledExprListSyntax(elements: arguments, arena: parser.arena))
       }