javasrc2cpg: Line Numbers for Annotations (#2302)

- Added line number info for annotation nodes

Author: DavidBakerEffendi

joern-cli/frontends/javasrc2cpg/src/main/scala/io/joern/javasrc2cpg/passes/AstCreator.scala

@@ -950,6 +950,7 @@ class AstCreator(filename: String, javaParserAst: CompilationUnit, global: Globa
       .code(annotationExpr.toString)
       .name(annotationExpr.getName.getIdentifier)
       .fullName(expressionReturnTypeFullName(annotationExpr).getOrElse(fallbackType))
+      .lineNumber(line(annotationExpr))
   }
 
   private def astForAnnotationExpr(annotationExpr: AnnotationExpr): Ast = {

joern-cli/frontends/javasrc2cpg/src/test/scala/io/joern/javasrc2cpg/querying/AnnotationTests.scala

@@ -22,6 +22,7 @@ class AnnotationTests extends JavaSrcCode2CpgFixture {
       annotationNode.code shouldBe "@NormalAnnotation(value = \"classAnnotation\")"
       annotationNode.name shouldBe "NormalAnnotation"
       annotationNode.fullName shouldBe "some.NormalAnnotation"
+      annotationNode.lineNumber shouldBe Some(5)
     }
 
     "test annotation node parameter assignment child" in {
@@ -61,6 +62,7 @@ class AnnotationTests extends JavaSrcCode2CpgFixture {
       annotationNode.code shouldBe "@SingleAnnotation(\"classAnnotation\")"
       annotationNode.name shouldBe "SingleAnnotation"
       annotationNode.fullName shouldBe "some.SingleAnnotation"
+      annotationNode.lineNumber shouldBe Some(5)
     }
 
     "test annotation node parameter assignment child" in {
@@ -99,6 +101,7 @@ class AnnotationTests extends JavaSrcCode2CpgFixture {
       annotationNode.code shouldBe "@MarkerAnnotation()"
       annotationNode.name shouldBe "MarkerAnnotation"
       annotationNode.fullName shouldBe "some.MarkerAnnotation"
+      annotationNode.lineNumber shouldBe Some(5)
     }
 
     "test annotation node parameter assignment child" in {
@@ -119,11 +122,11 @@ class AnnotationTests extends JavaSrcCode2CpgFixture {
         |""".stripMargin)
 
     "test annotation node properties" in {
-      import scala.jdk.CollectionConverters._
       val annotationNode = cpg.method.nameExact(io.joern.x2cpg.Defines.ConstructorMethodName).annotation.head
       annotationNode.code shouldBe "@MarkerAnnotation()"
       annotationNode.name shouldBe "MarkerAnnotation"
       annotationNode.fullName shouldBe "some.MarkerAnnotation"
+      annotationNode.lineNumber shouldBe Some(5)
     }
 
     "test annotation node parameter assignment child" in {
@@ -146,6 +149,7 @@ class AnnotationTests extends JavaSrcCode2CpgFixture {
       annotationNode.code shouldBe "@MarkerAnnotation"
       annotationNode.name shouldBe "MarkerAnnotation"
       annotationNode.fullName shouldBe "some.MarkerAnnotation"
+      annotationNode.lineNumber shouldBe Some(5)
     }
   }
 
@@ -162,6 +166,7 @@ class AnnotationTests extends JavaSrcCode2CpgFixture {
       annotationNode.code shouldBe "@MarkerAnnotation"
       annotationNode.name shouldBe "MarkerAnnotation"
       annotationNode.fullName shouldBe "some.MarkerAnnotation"
+      annotationNode.lineNumber shouldBe Some(4)
     }
   }
 
@@ -181,6 +186,7 @@ class AnnotationTests extends JavaSrcCode2CpgFixture {
       annotationNode.code shouldBe "@NormalAnnotation(value = 2)"
       annotationNode.name shouldBe "NormalAnnotation"
       annotationNode.fullName shouldBe "some.NormalAnnotation"
+      annotationNode.lineNumber shouldBe Some(5)
     }
 
     "test annotation node parameter value" in {
@@ -207,6 +213,7 @@ class AnnotationTests extends JavaSrcCode2CpgFixture {
       annotationNode.code shouldBe "@NormalAnnotation(value = { \"aaa\", \"bbb\" })"
       annotationNode.name shouldBe "NormalAnnotation"
       annotationNode.fullName shouldBe "some.NormalAnnotation"
+      annotationNode.lineNumber shouldBe Some(5)
     }
 
     "test annotation node parameter assignment child" in {
@@ -255,6 +262,7 @@ class AnnotationTests extends JavaSrcCode2CpgFixture {
       annotationNode.code shouldBe "@NormalAnnotation(value = @OtherAnnotation)"
       annotationNode.name shouldBe "NormalAnnotation"
       annotationNode.fullName shouldBe "some.NormalAnnotation"
+      annotationNode.lineNumber shouldBe Some(6)
     }
 
     "test annotation node parameter value" in {
@@ -286,10 +294,12 @@ class AnnotationTests extends JavaSrcCode2CpgFixture {
           wildcard1.name shouldBe "Wildcard1"
           wildcard1.fullName shouldBe "b.Wildcard1"
           wildcard1.code shouldBe "@Wildcard1"
+          wildcard1.lineNumber shouldBe Some(6)
 
           wildcard2.name shouldBe "Wildcard2"
           wildcard2.fullName shouldBe "b.Wildcard2"
           wildcard2.code shouldBe "@Wildcard2"
+          wildcard2.lineNumber shouldBe Some(7)
 
         case result => fail(s"Expected 3 annotations for Foo but got $result")
       }