ScaladocParser: add EnclosedJavaTag as a text part

scalameta/parsers/shared/src/main/scala/scala/meta/internal/parsers/ScaladocParser.scala

@@ -126,7 +126,7 @@ object ScaladocParser {
 
   private def textParser[_: P](indent: Int, mdOffset: Int = 0): P[Text] = P {
     def end = P(nl ~/ nextPartParser(indent, mdOffset))
-    def part: P[TextPart] = P(codeExprParser | linkParser | wordParser)
+    def part: P[TextPart] = P(codeExprParser | linkParser | enclosedJavaTagParser | wordParser)
     def sep = P(!end ~ nl.? ~ hspaces0)
     hspaces0 ~ part.rep(1, sep = sep).map(x => Text(x))
   }
@@ -153,6 +153,15 @@ object ScaladocParser {
     }
   }
 
+  private def enclosedJavaTagParser[_: P]: P[EnclosedJavaTag] = P {
+    def enclosed = (!(space | "}") ~ AnyChar).rep(1)
+    def ltBrace = "{" ~ hspaces0
+    def rtBrace = hspaces0 ~ "}"
+    def tag = ("@" ~ enclosed).!
+    def desc = (hspaces1 ~ enclosed.!).rep
+    (ltBrace ~ tag ~ desc ~ rtBrace).map { case (tag, desc) => EnclosedJavaTag(tag, desc) }
+  }
+
   private def listBlockParser[_: P](indent: Int = 0): P[ListBlock] = P {
     /* https://docs.scala-lang.org/overviews/scaladoc/for-library-authors.html#other-formatting-notes
      * For list blocks, "you must have extra space in front", hence min `indent + 1`. */

scalameta/trees/shared/src/main/scala/scala/meta/internal/Scaladoc.scala

@@ -47,6 +47,11 @@ object Scaladoc {
     override def syntax: String = s"{{{$code}}}$punct"
   }
 
+  /** Represents an enclosed tagged documentation remark */
+  final case class EnclosedJavaTag(tag: String, desc: Seq[String] = Nil) extends TextPart {
+    override def syntax: String = desc.mkString(s"{@$tag", " ", "}")
+  }
+
   /** A block of one or more lines of code */
   final case class CodeBlock(code: Seq[String]) extends Term
 

tests/shared/src/test/scala/scala/meta/tests/parsers/ScaladocParserSuite.scala

@@ -1856,6 +1856,36 @@ class ScaladocParserSuite extends FunSuite {
     assertEquals(result, expectation)
   }
 
+  test("enclosed java tag") {
+    assertEquals(
+      parseString(
+        """
+       /**
+        * {@tag1}
+        * {@tag2 with desc}
+        * {@not a
+        * tag}
+        */
+       """
+      ),
+      Option(
+        Scaladoc(
+          Paragraph(
+            Text(
+              Seq(
+                EnclosedJavaTag("@tag1"),
+                EnclosedJavaTag("@tag2", List("with", "desc")),
+                Word("{@not"),
+                Word("a"),
+                Word("tag}")
+              )
+            ) :: Nil
+          ) :: Nil
+        )
+      )
+    )
+  }
+
   test("table escaped pipe") {
     val result = parseString(
       """