Kotlin: Avoid using deprecated APIs

Author: igfoo

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

@@ -2397,9 +2397,9 @@ open class KotlinFileExtractor(
         return result
     }
 
-    private fun findTopLevelFunctionOrWarn(functionFilter: String, type: String, parameterTypes: Array<String>, warnAgainstElement: IrElement): IrFunction? {
+    private fun findTopLevelFunctionOrWarn(functionPkg: String, functionName: String, type: String, parameterTypes: Array<String>, warnAgainstElement: IrElement): IrFunction? {
 
-        val fn = getFunctionsByFqName(pluginContext, functionFilter)
+        val fn = getFunctionsByFqName(pluginContext, functionPkg, functionName)
             .firstOrNull { fnSymbol ->
                 fnSymbol.owner.parentClassOrNull?.fqNameWhenAvailable?.asString() == type &&
                 fnSymbol.owner.valueParameters.map { it.type.classFqName?.asString() }.toTypedArray() contentEquals parameterTypes
@@ -2410,15 +2410,15 @@ open class KotlinFileExtractor(
                 extractExternalClassLater(fn.parentAsClass)
             }
         } else {
-            logger.errorElement("Couldn't find JVM intrinsic function $functionFilter in $type", warnAgainstElement)
+            logger.errorElement("Couldn't find JVM intrinsic function $functionPkg $functionName in $type", warnAgainstElement)
         }
 
         return fn
     }
 
-    private fun findTopLevelPropertyOrWarn(propertyFilter: String, type: String, warnAgainstElement: IrElement): IrProperty? {
+    private fun findTopLevelPropertyOrWarn(propertyPkg: String, propertyName: String, type: String, warnAgainstElement: IrElement): IrProperty? {
 
-        val prop = getPropertiesByFqName(pluginContext, propertyFilter)
+        val prop = getPropertiesByFqName(pluginContext, propertyPkg, propertyName)
             .firstOrNull { it.owner.parentClassOrNull?.fqNameWhenAvailable?.asString() == type }
             ?.owner
 
@@ -2427,7 +2427,7 @@ open class KotlinFileExtractor(
                 extractExternalClassLater(prop.parentAsClass)
             }
         } else {
-            logger.errorElement("Couldn't find JVM intrinsic property $propertyFilter in $type", warnAgainstElement)
+            logger.errorElement("Couldn't find JVM intrinsic property $propertyPkg $propertyName in $type", warnAgainstElement)
         }
 
         return prop
@@ -3019,7 +3019,7 @@ open class KotlinFileExtractor(
                 }
                 isBuiltinCall(c, "<get-java>", "kotlin.jvm") -> {
                     // Special case for KClass<*>.java, which is used in the Parcelize plugin. In normal cases, this is already rewritten to the property referenced below:
-                    findTopLevelPropertyOrWarn("kotlin.jvm.java", "kotlin.jvm.JvmClassMappingKt", c)?.let { javaProp ->
+                    findTopLevelPropertyOrWarn("kotlin.jvm", "java", "kotlin.jvm.JvmClassMappingKt", c)?.let { javaProp ->
                         val getter = javaProp.getter
                         if (getter == null) {
                             logger.error("Couldn't find getter of `kotlin.jvm.JvmClassMappingKt::java`")
@@ -3051,7 +3051,7 @@ open class KotlinFileExtractor(
                         "kotlin.jvm.internal.ArrayIteratorsKt"
                     }
 
-                    findTopLevelFunctionOrWarn("kotlin.jvm.internal.iterator", typeFilter, arrayOf(parentClass.kotlinFqName.asString()), c)?.let { iteratorFn ->
+                    findTopLevelFunctionOrWarn("kotlin.jvm.internal", "iterator", typeFilter, arrayOf(parentClass.kotlinFqName.asString()), c)?.let { iteratorFn ->
                         val dispatchReceiver = c.dispatchReceiver
                         if (dispatchReceiver == null) {
                             logger.errorElement("No dispatch receiver found for array iterator call", c)

java/kotlin-extractor/src/main/kotlin/utils/GetByFqName.kt

@@ -1,33 +1,18 @@
 package com.github.codeql.utils
 
-import org.jetbrains.kotlin.backend.common.extensions.FirIncompatiblePluginAPI
 import org.jetbrains.kotlin.backend.common.extensions.IrPluginContext
 import org.jetbrains.kotlin.ir.symbols.*
 import org.jetbrains.kotlin.name.FqName
+import org.jetbrains.kotlin.name.Name
 
 fun getClassByFqName(pluginContext: IrPluginContext, fqName: String): IrClassSymbol? {
     return getClassByFqName(pluginContext, FqName(fqName))
 }
 
-fun getClassByFqName(pluginContext: IrPluginContext, fqName: FqName): IrClassSymbol? {
-    @OptIn(FirIncompatiblePluginAPI::class)
-    return pluginContext.referenceClass(fqName)
+fun getFunctionsByFqName(pluginContext: IrPluginContext, pkgName: String, name: String): Collection<IrSimpleFunctionSymbol> {
+    return getFunctionsByFqName(pluginContext, FqName(pkgName), Name.identifier(name))
 }
 
-fun getFunctionsByFqName(pluginContext: IrPluginContext, fqName: String): Collection<IrSimpleFunctionSymbol> {
-    return getFunctionsByFqName(pluginContext, FqName(fqName))
-}
-
-private fun getFunctionsByFqName(pluginContext: IrPluginContext, fqName: FqName): Collection<IrSimpleFunctionSymbol> {
-    @OptIn(FirIncompatiblePluginAPI::class)
-    return pluginContext.referenceFunctions(fqName)
-}
-
-fun getPropertiesByFqName(pluginContext: IrPluginContext, fqName: String): Collection<IrPropertySymbol> {
-    return getPropertiesByFqName(pluginContext, FqName(fqName))
-}
-
-private fun getPropertiesByFqName(pluginContext: IrPluginContext, fqName: FqName): Collection<IrPropertySymbol> {
-    @OptIn(FirIncompatiblePluginAPI::class)
-    return pluginContext.referenceProperties(fqName)
+fun getPropertiesByFqName(pluginContext: IrPluginContext, pkgName: String, name: String): Collection<IrPropertySymbol> {
+    return getPropertiesByFqName(pluginContext, FqName(pkgName), Name.identifier(name))
 }

java/kotlin-extractor/src/main/kotlin/utils/versions/v_1_4_32/FirIncompatiblePluginAPI.kt

@@ -0,0 +1,20 @@
+package com.github.codeql.utils
+
+import org.jetbrains.kotlin.backend.common.extensions.IrPluginContext
+import org.jetbrains.kotlin.ir.symbols.*
+import org.jetbrains.kotlin.name.FqName
+import org.jetbrains.kotlin.name.Name
+
+fun getClassByFqName(pluginContext: IrPluginContext, fqName: FqName): IrClassSymbol? {
+    return pluginContext.referenceClass(fqName)
+}
+
+fun getFunctionsByFqName(pluginContext: IrPluginContext, pkgName: FqName, name: Name): Collection<IrSimpleFunctionSymbol> {
+    val fqName = pkgName.child(name)
+    return pluginContext.referenceFunctions(fqName)
+}
+
+fun getPropertiesByFqName(pluginContext: IrPluginContext, pkgName: FqName, name: Name): Collection<IrPropertySymbol> {
+    val fqName = pkgName.child(name)
+    return pluginContext.referenceProperties(fqName)
+}

java/kotlin-extractor/src/main/kotlin/utils/versions/v_1_4_32/ReferenceEntity.kt

@@ -0,0 +1,24 @@
+package com.github.codeql.utils
+
+import org.jetbrains.kotlin.backend.common.extensions.FirIncompatiblePluginAPI
+import org.jetbrains.kotlin.backend.common.extensions.IrPluginContext
+import org.jetbrains.kotlin.ir.symbols.*
+import org.jetbrains.kotlin.name.ClassId
+import org.jetbrains.kotlin.name.CallableId
+import org.jetbrains.kotlin.name.FqName
+import org.jetbrains.kotlin.name.Name
+
+fun getClassByFqName(pluginContext: IrPluginContext, fqName: FqName): IrClassSymbol? {
+    val id = ClassId.topLevel(fqName)
+    return pluginContext.referenceClass(id)
+}
+
+fun getFunctionsByFqName(pluginContext: IrPluginContext, pkgName: FqName, name: Name): Collection<IrSimpleFunctionSymbol> {
+    val id = CallableId(pkgName, name)
+    return pluginContext.referenceFunctions(id)
+}
+
+fun getPropertiesByFqName(pluginContext: IrPluginContext, pkgName: FqName, name: Name): Collection<IrPropertySymbol> {
+    val id = CallableId(pkgName, name)
+    return pluginContext.referenceProperties(id)
+}