Only log once the missing java-kotlin method mapping warnings

Author: tamasvajk

java/kotlin-extractor/src/main/kotlin/KotlinExtractorExtension.kt

@@ -201,6 +201,8 @@ class KotlinExtractorGlobalState {
     val syntheticToRealClassMap = HashMap<IrClass, IrClass?>()
     val syntheticToRealFunctionMap = HashMap<IrFunction, IrFunction?>()
     val syntheticToRealFieldMap = HashMap<IrField, IrField?>()
+
+    val deduplicatedWarnings = mutableSetOf<String>()
 }
 
 /*

java/kotlin-extractor/src/main/kotlin/KotlinUsesExtractor.kt

@@ -1290,7 +1290,11 @@ open class KotlinUsesExtractor(
                             else null
                         } ?: run {
                             val parentFqName = parentClass.fqNameWhenAvailable?.asString()
-                            logger.warn("Couldn't find a Java equivalent function to $parentFqName.${f.name} in ${javaClass.fqNameWhenAvailable}")
+                            val msg = "Couldn't find a Java equivalent function to $parentFqName.${f.name} in ${javaClass.fqNameWhenAvailable}"
+                            if (!globalExtensionState.deduplicatedWarnings.contains(msg)) {
+                                logger.warn(msg)
+                                globalExtensionState.deduplicatedWarnings.add(msg)
+                            }
                             null
                         }
                     }

java/ql/test/kotlin/library-tests/controlflow/dominance/CONSISTENCY/javaEquivalent.expected

@@ -1,2 +1 @@
 | file://:0:0:0:0 | Couldn't find a Java equivalent function to kotlin.Int.dec in java.lang.Integer |
-| file://:0:0:0:0 | Couldn't find a Java equivalent function to kotlin.Int.dec in java.lang.Integer |

java/ql/test/kotlin/library-tests/exprs/CONSISTENCY/javaEquivalent.expected

@@ -1,27 +1,4 @@
 | file://:0:0:0:0 | Couldn't find a Java equivalent function to kotlin.Byte.toInt in java.lang.Byte |
-| file://:0:0:0:0 | Couldn't find a Java equivalent function to kotlin.Byte.toInt in java.lang.Byte |
-| file://:0:0:0:0 | Couldn't find a Java equivalent function to kotlin.Byte.toInt in java.lang.Byte |
-| file://:0:0:0:0 | Couldn't find a Java equivalent function to kotlin.Byte.toInt in java.lang.Byte |
-| file://:0:0:0:0 | Couldn't find a Java equivalent function to kotlin.Byte.toInt in java.lang.Byte |
-| file://:0:0:0:0 | Couldn't find a Java equivalent function to kotlin.Byte.toInt in java.lang.Byte |
-| file://:0:0:0:0 | Couldn't find a Java equivalent function to kotlin.Byte.toInt in java.lang.Byte |
-| file://:0:0:0:0 | Couldn't find a Java equivalent function to kotlin.Byte.toInt in java.lang.Byte |
-| file://:0:0:0:0 | Couldn't find a Java equivalent function to kotlin.Byte.toInt in java.lang.Byte |
-| file://:0:0:0:0 | Couldn't find a Java equivalent function to kotlin.Byte.toInt in java.lang.Byte |
-| file://:0:0:0:0 | Couldn't find a Java equivalent function to kotlin.Byte.toInt in java.lang.Byte |
-| file://:0:0:0:0 | Couldn't find a Java equivalent function to kotlin.Byte.toInt in java.lang.Byte |
 | file://:0:0:0:0 | Couldn't find a Java equivalent function to kotlin.Int.dec in java.lang.Integer |
 | file://:0:0:0:0 | Couldn't find a Java equivalent function to kotlin.Int.rangeTo in java.lang.Integer |
-| file://:0:0:0:0 | Couldn't find a Java equivalent function to kotlin.Int.rangeTo in java.lang.Integer |
-| file://:0:0:0:0 | Couldn't find a Java equivalent function to kotlin.Short.toInt in java.lang.Short |
-| file://:0:0:0:0 | Couldn't find a Java equivalent function to kotlin.Short.toInt in java.lang.Short |
-| file://:0:0:0:0 | Couldn't find a Java equivalent function to kotlin.Short.toInt in java.lang.Short |
-| file://:0:0:0:0 | Couldn't find a Java equivalent function to kotlin.Short.toInt in java.lang.Short |
-| file://:0:0:0:0 | Couldn't find a Java equivalent function to kotlin.Short.toInt in java.lang.Short |
-| file://:0:0:0:0 | Couldn't find a Java equivalent function to kotlin.Short.toInt in java.lang.Short |
-| file://:0:0:0:0 | Couldn't find a Java equivalent function to kotlin.Short.toInt in java.lang.Short |
-| file://:0:0:0:0 | Couldn't find a Java equivalent function to kotlin.Short.toInt in java.lang.Short |
-| file://:0:0:0:0 | Couldn't find a Java equivalent function to kotlin.Short.toInt in java.lang.Short |
-| file://:0:0:0:0 | Couldn't find a Java equivalent function to kotlin.Short.toInt in java.lang.Short |
-| file://:0:0:0:0 | Couldn't find a Java equivalent function to kotlin.Short.toInt in java.lang.Short |
 | file://:0:0:0:0 | Couldn't find a Java equivalent function to kotlin.Short.toInt in java.lang.Short |