semanticdb - adjust occurences

don't add definition occurences for given instance parameters

Author: bishabosha

compiler/src/dotty/tools/dotc/semanticdb/ExtractSemanticDB.scala

@@ -80,6 +80,7 @@ class ExtractSemanticDB extends Phase:
       || sym.is(Synthetic)
       || sym.isSetter
       || sym.isOldStyleImplicitConversion(forImplicitClassOnly = true)
+      || sym.owner.isGivenInstanceSummoner
       || excludeDefOrUse(sym)
 
     private def excludeDefOrUse(sym: Symbol)(using Context): Boolean =

compiler/src/dotty/tools/dotc/transform/SymUtils.scala

@@ -100,6 +100,17 @@ object SymUtils:
         case _ =>
           false
 
+    def isGivenInstanceSummoner(using Context): Boolean =
+      def isCodefined(info: Type): Boolean = info.stripPoly match
+        case mt: MethodType =>
+          // given summoner can only have contextual params
+          mt.isImplicitMethod && isCodefined(mt.resultType)
+        case mt: ExprType =>
+          isCodefined(mt.resultType)
+        case res =>
+          self.isCoDefinedGiven(res.typeSymbol)
+      self.isAllOf(Given | Method) && isCodefined(self.info)
+
     def useCompanionAsMirror(using Context): Boolean = self.linkedClass.exists && !self.is(Scala2x)
 
     /** Is this a sealed class or trait for which a sum mirror is generated?

tests/semanticdb/expect/InventedNames.expect.scala

@@ -25,7 +25,7 @@ given X/*->givens::X#*/ with
 given (using X/*->givens::X#*/): Y/*->givens::Y#*/ with
   def doY/*<-givens::InventedNames$package.given_Y#doY().*/ = "7"
 
-given [T/*<-givens::InventedNames$package.given_Z_T#[T]*//*<-givens::InventedNames$package.given_Z_T().[T]*/]: Z/*->givens::Z#*/[T/*->givens::InventedNames$package.given_Z_T#[T]*/] with
+given [T/*<-givens::InventedNames$package.given_Z_T#[T]*/]: Z/*->givens::Z#*/[T/*->givens::InventedNames$package.given_Z_T#[T]*/] with
   def doZ/*<-givens::InventedNames$package.given_Z_T#doZ().*/: List/*->scala::package.List#*/[T/*->givens::InventedNames$package.given_Z_T#[T]*/] = Nil/*->scala::package.Nil.*/
 
 
@@ -39,4 +39,4 @@ val f/*<-givens::InventedNames$package.f.*/ = given_Float/*->givens::InventedNam
 val g/*<-givens::InventedNames$package.g.*/ = `* *`/*->givens::InventedNames$package.`* *`.*/
 val x/*<-givens::InventedNames$package.x.*/ = given_X/*->givens::InventedNames$package.given_X.*/
 val y/*<-givens::InventedNames$package.y.*/ = given_Y/*->givens::InventedNames$package.given_Y().*/
-val z/*<-givens::InventedNames$package.z.*/ = given_Z_T/*->givens::InventedNames$package.given_Z_T().*/[String/*->scala::Predef.String#*/]
+val z/*<-givens::InventedNames$package.z.*/ = given_Z_T/*->givens::InventedNames$package.given_Z_T().*/[String/*->scala::Predef.String#*/]

tests/semanticdb/expect/InventedNames.scala

@@ -39,4 +39,4 @@ val f = given_Float
 val g = `* *`
 val x = given_X
 val y = given_Y
-val z = given_Z_T[String]
+val z = given_Z_T[String]

tests/semanticdb/metac.expect

@@ -1684,7 +1684,7 @@ Uri => InventedNames.scala
 Text => empty
 Language => Scala
 Symbols => 45 entries
-Occurrences => 62 entries
+Occurrences => 61 entries
 
 Symbols:
 givens/InventedNames$package. => final package object givens extends Object { self: givens.type => +24 decls }
@@ -1767,7 +1767,6 @@ Occurrences:
 [24:17..24:18): Y -> givens/Y#
 [25:6..25:9): doY <- givens/InventedNames$package.given_Y#doY().
 [27:7..27:8): T <- givens/InventedNames$package.given_Z_T#[T]
-[27:7..27:8): T <- givens/InventedNames$package.given_Z_T().[T]
 [27:11..27:12): Z -> givens/Z#
 [27:13..27:14): T -> givens/InventedNames$package.given_Z_T#[T]
 [28:6..28:9): doZ <- givens/InventedNames$package.given_Z_T#doZ().