C/C++ overlay: avoid massive cartesian product in overlay discardElement

Bound.qll - Replace utility for range analysis duplicate across java and cs with shared file

MODULE.bazel

@@ -237,6 +237,9 @@ use_repo(
     kotlin_extractor_deps,
     "codeql_kotlin_defaults",
     "codeql_kotlin_embeddable",
+    "kotlin-compiler-1.8.0",
+    "kotlin-compiler-1.9.0-Beta",
+    "kotlin-compiler-1.9.20-Beta",
     "kotlin-compiler-2.0.0-RC1",
     "kotlin-compiler-2.0.20-Beta2",
     "kotlin-compiler-2.1.0-Beta1",
@@ -245,7 +248,9 @@ use_repo(
     "kotlin-compiler-2.2.20-Beta2",
     "kotlin-compiler-2.3.0",
     "kotlin-compiler-2.3.20",
-    "kotlin-compiler-2.4.0",
+    "kotlin-compiler-embeddable-1.8.0",
+    "kotlin-compiler-embeddable-1.9.0-Beta",
+    "kotlin-compiler-embeddable-1.9.20-Beta",
     "kotlin-compiler-embeddable-2.0.0-RC1",
     "kotlin-compiler-embeddable-2.0.20-Beta2",
     "kotlin-compiler-embeddable-2.1.0-Beta1",
@@ -254,7 +259,9 @@ use_repo(
     "kotlin-compiler-embeddable-2.2.20-Beta2",
     "kotlin-compiler-embeddable-2.3.0",
     "kotlin-compiler-embeddable-2.3.20",
-    "kotlin-compiler-embeddable-2.4.0",
+    "kotlin-stdlib-1.8.0",
+    "kotlin-stdlib-1.9.0-Beta",
+    "kotlin-stdlib-1.9.20-Beta",
     "kotlin-stdlib-2.0.0-RC1",
     "kotlin-stdlib-2.0.20-Beta2",
     "kotlin-stdlib-2.1.0-Beta1",
@@ -263,7 +270,6 @@ use_repo(
     "kotlin-stdlib-2.2.20-Beta2",
     "kotlin-stdlib-2.3.0",
     "kotlin-stdlib-2.3.20",
-    "kotlin-stdlib-2.4.0",
 )
 
 go_sdk = use_extension("@rules_go//go:extensions.bzl", "go_sdk")

config/identical-files.json

@@ -11,10 +11,6 @@
     "java/ql/lib/semmle/code/java/dataflow/internal/rangeanalysis/SignAnalysisCommon.qll",
     "csharp/ql/lib/semmle/code/csharp/dataflow/internal/rangeanalysis/SignAnalysisCommon.qll"
   ],
-  "Bound Java/C#": [
-    "java/ql/lib/semmle/code/java/dataflow/Bound.qll",
-    "csharp/ql/lib/semmle/code/csharp/dataflow/Bound.qll"
-  ],
   "ModulusAnalysis Java/C#": [
     "java/ql/lib/semmle/code/java/dataflow/ModulusAnalysis.qll",
     "csharp/ql/lib/semmle/code/csharp/dataflow/ModulusAnalysis.qll"

cpp/ql/lib/semmle/code/cpp/internal/Overlay.qll

@@ -61,12 +61,13 @@ private predicate discardElement(@element e) {
   // particular, been deleted), or the overlay has redefined the TRAP
   // file or tag it is in, or the overlay runner has re-extracted the same
   // source file (e.g. because a header it includes has changed).
-  forall(@trap_or_tag t, string sourceFile |
+  not exists(@trap_or_tag t |
     locallyInTrapOrTag(false, e, t) and
-    locallyReachableTrapOrTag(false, sourceFile, t)
-  |
-    overlayChangedFiles(sourceFile) or
-    locallyReachableTrapOrTag(true, _, t) or
-    locallyReachableTrapOrTag(true, sourceFile, _)
+    not locallyReachableTrapOrTag(true, _, t) and
+    exists(string sourceFile |
+      locallyReachableTrapOrTag(false, sourceFile, t) and
+      not overlayChangedFiles(sourceFile) and
+      not locallyReachableTrapOrTag(true, sourceFile, _)
+    )
   )
 }

csharp/ql/lib/qlpack.yml

@@ -9,6 +9,7 @@ dependencies:
   codeql/controlflow: ${workspace}
   codeql/dataflow: ${workspace}
   codeql/mad: ${workspace}
+  codeql/rangeanalysis: ${workspace}
   codeql/ssa: ${workspace}
   codeql/threat-models: ${workspace}
   codeql/tutorial: ${workspace}

csharp/ql/lib/semmle/code/csharp/dataflow/Bound.qll

@@ -4,67 +4,31 @@
 overlay[local?]
 module;
 
-private import internal.rangeanalysis.BoundSpecific
+private import csharp as CS
+private import semmle.code.csharp.dataflow.SSA::Ssa
+private import semmle.code.csharp.dataflow.internal.rangeanalysis.ConstantUtils as CU
+private import semmle.code.csharp.dataflow.internal.rangeanalysis.RangeUtils as RU
+private import semmle.code.csharp.dataflow.internal.rangeanalysis.SsaUtils as SU
+private import codeql.rangeanalysis.Bound as SharedBound
 
-private newtype TBound =
-  TBoundZero() or
-  TBoundSsa(SsaVariable v) { v.getSourceVariable().getType() instanceof IntegralType } or
-  TBoundExpr(Expr e) {
-    interestingExprBound(e) and
-    not exists(SsaVariable v | e = v.getAUse())
-  }
+/** Provides C#-specific definitions for bounds. */
+private module BoundDefs implements SharedBound::BoundDefinitions<CS::Location> {
+  class Type = CS::Type;
 
-/**
- * A bound that may be inferred for an expression plus/minus an integer delta.
- */
-abstract class Bound extends TBound {
-  /** Gets a textual representation of this bound. */
-  abstract string toString();
+  class SsaVariable = SU::SsaVariable;
 
-  /** Gets an expression that equals this bound plus `delta`. */
-  abstract Expr getExpr(int delta);
+  class SsaSourceVariable = SourceVariable;
 
-  /** Gets an expression that equals this bound. */
-  Expr getExpr() { result = this.getExpr(0) }
+  class Expr = CS::ControlFlowNodes::ExprNode;
 
-  /** Gets the location of this bound. */
-  abstract Location getLocation();
+  class IntegralType = CS::IntegralType;
+
+  class ConstantIntegerExpr = CU::ConstantIntegerExpr;
+
+  /** Holds if `e` is a bound expression and it is not an SSA variable read. */
+  predicate interestingExprBound(Expr e) { CU::systemArrayLengthAccess(e.getExpr()) }
 }
 
-/**
- * The bound that corresponds to the integer 0. This is used to represent all
- * integer bounds as bounds are always accompanied by an added integer delta.
- */
-class ZeroBound extends Bound, TBoundZero {
-  override string toString() { result = "0" }
+module BoundImpl = SharedBound::Bound<CS::Location, BoundDefs>;
 
-  override Expr getExpr(int delta) { result.(ConstantIntegerExpr).getIntValue() = delta }
-
-  override Location getLocation() { result.hasLocationInfo("", 0, 0, 0, 0) }
-}
-
-/**
- * A bound corresponding to the value of an SSA variable.
- */
-class SsaBound extends Bound, TBoundSsa {
-  /** Gets the SSA variable that equals this bound. */
-  SsaVariable getSsa() { this = TBoundSsa(result) }
-
-  override string toString() { result = this.getSsa().toString() }
-
-  override Expr getExpr(int delta) { result = this.getSsa().getAUse() and delta = 0 }
-
-  override Location getLocation() { result = this.getSsa().getLocation() }
-}
-
-/**
- * A bound that corresponds to the value of a specific expression that might be
- * interesting, but isn't otherwise represented by the value of an SSA variable.
- */
-class ExprBound extends Bound, TBoundExpr {
-  override string toString() { result = this.getExpr().toString() }
-
-  override Expr getExpr(int delta) { this = TBoundExpr(result) and delta = 0 }
-
-  override Location getLocation() { result = this.getExpr().getLocation() }
-}
+import BoundImpl

csharp/ql/lib/semmle/code/csharp/dataflow/internal/rangeanalysis/BoundSpecific.qll

@@ -1,22 +0,0 @@
-/**
- * Provides C#-specific definitions for bounds.
- */
-
-private import csharp as CS
-private import semmle.code.csharp.dataflow.SSA::Ssa as Ssa
-private import semmle.code.csharp.dataflow.internal.rangeanalysis.ConstantUtils as CU
-private import semmle.code.csharp.dataflow.internal.rangeanalysis.RangeUtils as RU
-private import semmle.code.csharp.dataflow.internal.rangeanalysis.SsaUtils as SU
-
-class SsaVariable = SU::SsaVariable;
-
-class Expr = CS::ControlFlowNodes::ExprNode;
-
-class Location = CS::Location;
-
-class IntegralType = CS::IntegralType;
-
-class ConstantIntegerExpr = CU::ConstantIntegerExpr;
-
-/** Holds if `e` is a bound expression and it is not an SSA variable read. */
-predicate interestingExprBound(Expr e) { CU::systemArrayLengthAccess(e.getExpr()) }

docs/codeql/reusables/supported-versions-compilers.rst

@@ -21,7 +21,7 @@
    Java,"Java 7 to 26 [6]_","javac (OpenJDK and Oracle JDK),
 
    Eclipse compiler for Java (ECJ) [7]_",``.java``
-   Kotlin,"Kotlin 2.0.0 to 2.4.\ *x*","kotlinc",``.kt``
+   Kotlin,"Kotlin 1.8.0 to 2.3.2\ *x*","kotlinc",``.kt``
    JavaScript,ECMAScript 2022 or lower,Not applicable,"``.js``, ``.jsx``, ``.mjs``, ``.es``, ``.es6``, ``.htm``, ``.html``, ``.xhtm``, ``.xhtml``, ``.vue``, ``.hbs``, ``.ejs``, ``.njk``, ``.json``, ``.yaml``, ``.yml``, ``.raml``, ``.xml`` [8]_"
    Python [9]_,"2.7, 3.5, 3.6, 3.7, 3.8, 3.9, 3.10, 3.11, 3.12, 3.13",Not applicable,``.py``
    Ruby [10]_,"up to 3.3",Not applicable,"``.rb``, ``.erb``, ``.gemspec``, ``Gemfile``"

java/kotlin-extractor/BUILD.bazel

@@ -64,14 +64,8 @@ _resources = [
         r[len("src/main/resources/"):],
     )
     for r in glob(["src/main/resources/**"])
-    if r != "src/main/resources/META-INF/services/org.jetbrains.kotlin.compiler.plugin.CompilerPluginRegistrar"
 ]
 
-_compiler_plugin_registrar_service = (
-    "src/main/resources/META-INF/services/org.jetbrains.kotlin.compiler.plugin.CompilerPluginRegistrar",
-    "META-INF/services/org.jetbrains.kotlin.compiler.plugin.CompilerPluginRegistrar",
-)
-
 kt_javac_options(
     name = "javac-options",
     release = "8",
@@ -97,32 +91,19 @@ kt_javac_options(
         # * `resource_strip_prefix` is unique per jar, so we must also put other resources under the same version prefix
         genrule(
             name = "resources-%s" % v,
-            srcs = [src for src, _ in _resources] + (
-                [_compiler_plugin_registrar_service[0]] if not version_less(v, "2.4.0") else []
-            ),
+            srcs = [src for src, _ in _resources],
             outs = [
                 "%s/com/github/codeql/extractor.name" % v,
             ] + [
                 "%s/%s" % (v, target)
                 for _, target in _resources
-            ] + (
-                ["%s/%s" % (
-                    v,
-                    _compiler_plugin_registrar_service[1],
-                )] if not version_less(v, "2.4.0") else []
-            ),
+            ],
             cmd = "\n".join([
                 "echo %s-%s > $(RULEDIR)/%s/com/github/codeql/extractor.name" % (_extractor_name_prefix, v, v),
             ] + [
                 "cp $(execpath %s) $(RULEDIR)/%s/%s" % (source, v, target)
                 for source, target in _resources
-            ] + (
-                ["cp $(execpath %s) $(RULEDIR)/%s/%s" % (
-                    _compiler_plugin_registrar_service[0],
-                    v,
-                    _compiler_plugin_registrar_service[1],
-                )] if not version_less(v, "2.4.0") else []
-            )),
+            ]),
         ),
         kt_jvm_library(
             name = "%s-%s" % (_extractor_name_prefix, v),

java/kotlin-extractor/dev/wrapper.py

@@ -27,7 +27,7 @@ import shutil
 import io
 import os
 
-DEFAULT_VERSION = "2.4.0"
+DEFAULT_VERSION = "2.3.20"
 
 
 def options():

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

@@ -3,21 +3,32 @@
 
 package com.github.codeql
 
+import com.intellij.mock.MockProject
+import com.intellij.openapi.extensions.LoadingOrder
+import org.jetbrains.kotlin.backend.common.extensions.IrGenerationExtension
 import org.jetbrains.kotlin.config.CompilerConfiguration
 
 class KotlinExtractorComponentRegistrar : Kotlin2ComponentRegistrar() {
-    override fun doRegisterExtensions(configuration: CompilerConfiguration) {
+    override fun registerProjectComponents(
+        project: MockProject,
+        configuration: CompilerConfiguration
+    ) {
         val invocationTrapFile = configuration[KEY_INVOCATION_TRAP_FILE]
         if (invocationTrapFile == null) {
             throw Exception("Required argument for TRAP invocation file not given")
         }
-        registerExtractorExtension(
+        // Register with LoadingOrder.LAST to ensure the extractor runs after other
+        // IR generation plugins (like kotlinx.serialization) have generated their code.
+        val extensionPoint = project.extensionArea.getExtensionPoint(IrGenerationExtension.extensionPointName)
+        extensionPoint.registerExtension(
             KotlinExtractorExtension(
                 invocationTrapFile,
                 configuration[KEY_CHECK_TRAP_IDENTICAL] ?: false,
                 configuration[KEY_COMPILATION_STARTTIME],
                 configuration[KEY_EXIT_AFTER_EXTRACTION] ?: false
-            )
+            ),
+            LoadingOrder.LAST,
+            project
         )
     }
 }

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

@@ -173,9 +173,9 @@ open class KotlinFileExtractor(
         when (d) {
             is IrFunction ->
                 when (d.name.asString()) {
-                    "toString" -> d.codeQlValueParameters.isEmpty()
-                    "hashCode" -> d.codeQlValueParameters.isEmpty()
-                    "equals" -> d.codeQlValueParameters.singleOrNull()?.type?.isNullableAny() ?: false
+                    "toString" -> d.valueParameters.isEmpty()
+                    "hashCode" -> d.valueParameters.isEmpty()
+                    "equals" -> d.valueParameters.singleOrNull()?.type?.isNullableAny() ?: false
                     else -> false
                 } && isJavaBinaryDeclaration(d)
             else -> false
@@ -721,7 +721,7 @@ open class KotlinFileExtractor(
             (it.type as? IrSimpleType)?.classFqName?.asString() != "kotlin.Deprecated"
         } +
             // Note we lose any arguments to @java.lang.Deprecated that were written in source.
-            codeQlAnnotationFromSymbolOwner(
+            IrConstructorCallImpl.fromSymbolOwner(
                 UNDEFINED_OFFSET,
                 UNDEFINED_OFFSET,
                 jldConstructor.returnType,
@@ -781,13 +781,13 @@ open class KotlinFileExtractor(
         val locId = tw.getLocation(constructorCall)
         tw.writeHasLocation(id, locId)
 
-        for (i in 0 until constructorCall.codeQlValueArgumentsCount) {
-            val param = constructorCall.symbol.owner.codeQlValueParameters[i]
+        for (i in 0 until constructorCall.valueArgumentsCount) {
+            val param = constructorCall.symbol.owner.valueParameters[i]
             val prop =
                 constructorCall.symbol.owner.parentAsClass.declarations
                     .filterIsInstance<IrProperty>()
                     .first { it.name == param.name }
-            val v = constructorCall.codeQlGetValueArgument(i) ?: param.defaultValue?.expression
+            val v = constructorCall.getValueArgument(i) ?: param.defaultValue?.expression
             val getter = prop.getter
             if (getter == null) {
                 logger.warnElement("Expected annotation property to define a getter", prop)
@@ -1115,9 +1115,9 @@ open class KotlinFileExtractor(
                         returnId,
                         0,
                         returnId,
-                        f.codeQlValueParameters.size,
+                        f.valueParameters.size,
                         { argParent, idxOffset ->
-                            f.codeQlValueParameters.forEachIndexed { idx, param ->
+                            f.valueParameters.forEachIndexed { idx, param ->
                                 val syntheticParamId = useValueParameter(param, proxyFunctionId)
                                 extractVariableAccess(
                                     syntheticParamId,
@@ -1695,9 +1695,9 @@ open class KotlinFileExtractor(
                             returnId,
                             0,
                             returnId,
-                            f.codeQlValueParameters.size,
+                            f.valueParameters.size,
                             { argParentId, idxOffset ->
-                                f.codeQlValueParameters.mapIndexed { idx, param ->
+                                f.valueParameters.mapIndexed { idx, param ->
                                     val syntheticParamId = useValueParameter(param, functionId)
                                     extractVariableAccess(
                                         syntheticParamId,
@@ -1792,7 +1792,7 @@ open class KotlinFileExtractor(
         extractBody: Boolean,
         extractMethodAndParameterTypeAccesses: Boolean
     ) {
-        if (f.codeQlValueParameters.none { it.defaultValue != null }) return
+        if (f.valueParameters.none { it.defaultValue != null }) return
 
         val id = getDefaultsMethodLabel(f)
         if (id == null) {
@@ -1800,7 +1800,7 @@ open class KotlinFileExtractor(
             return
         }
         val locId = getLocation(f, null)
-        val extReceiver = f.codeQlExtensionReceiverParameter
+        val extReceiver = f.extensionReceiverParameter
         val dispatchReceiver = if (f.shouldExtractAsStatic) null else f.dispatchReceiverParameter
         val parameterTypes = getDefaultsMethodArgTypes(f)
         val allParamTypeResults =
@@ -1869,7 +1869,7 @@ open class KotlinFileExtractor(
         tw.writeCompiler_generated(id, CompilerGeneratedKinds.DEFAULT_ARGUMENTS_METHOD.kind)
 
         if (extractBody) {
-            val nonSyntheticParams = listOfNotNull(dispatchReceiver) + f.codeQlValueParameters
+            val nonSyntheticParams = listOfNotNull(dispatchReceiver) + f.valueParameters
             // This stack entry represents as if we're extracting the 'real' function `f`, giving
             // the indices of its non-synthetic parameters
             // such that when we extract the default expressions below, any reference to f's nth
@@ -1895,12 +1895,12 @@ open class KotlinFileExtractor(
                     val realParamsVarId = getValueParameterLabel(id, parameterTypes.size - 2)
                     val intType = pluginContext.irBuiltIns.intType
                     val paramIdxOffset =
-                        listOf(dispatchReceiver, f.codeQlExtensionReceiverParameter).count { it != null }
+                        listOf(dispatchReceiver, f.extensionReceiverParameter).count { it != null }
                     extractBlockBody(id, locId).also { blockId ->
                         var nextStmt = 0
                         // For each parameter with a default, sub in the default value if the caller
                         // hasn't supplied a value:
-                        f.codeQlValueParameters.forEachIndexed { paramIdx, param ->
+                        f.valueParameters.forEachIndexed { paramIdx, param ->
                             val defaultVal = param.defaultValue
                             if (defaultVal != null) {
                                 extractIfStmt(locId, blockId, nextStmt++, id).also { ifId ->
@@ -1975,7 +1975,7 @@ open class KotlinFileExtractor(
                                     id
                                 )
                                 tw.writeHasLocation(thisCallId, locId)
-                                f.codeQlValueParameters.forEachIndexed { idx, param ->
+                                f.valueParameters.forEachIndexed { idx, param ->
                                     extractVariableAccess(
                                         tw.getLabelFor<DbParam>(getValueParameterLabel(id, idx)),
                                         param.type,
@@ -2003,9 +2003,9 @@ open class KotlinFileExtractor(
                                     )
                                     .also { thisCallId ->
                                         val realFnIdxOffset =
-                                            if (f.codeQlExtensionReceiverParameter != null) 1 else 0
+                                            if (f.extensionReceiverParameter != null) 1 else 0
                                         val paramMappings =
-                                            f.codeQlValueParameters.mapIndexed { idx, param ->
+                                            f.valueParameters.mapIndexed { idx, param ->
                                                 Triple(
                                                     param.type,
                                                     idx + paramIdxOffset,
@@ -2156,7 +2156,7 @@ open class KotlinFileExtractor(
                         val dispatchReceiver =
                             f.dispatchReceiverParameter?.let { IrGetValueImpl(-1, -1, it.symbol) }
                         val extensionReceiver =
-                            f.codeQlExtensionReceiverParameter?.let { IrGetValueImpl(-1, -1, it.symbol) }
+                            f.extensionReceiverParameter?.let { IrGetValueImpl(-1, -1, it.symbol) }
 
                         extractExpressionBody(overloadId, realFunctionLocId).also { returnId ->
                             extractsDefaultsCall(
@@ -2180,28 +2180,28 @@ open class KotlinFileExtractor(
         if (!f.hasAnnotation(jvmOverloadsFqName)) {
             if (
                 f is IrConstructor &&
-                    f.codeQlValueParameters.isNotEmpty() &&
-                    f.codeQlValueParameters.all { it.defaultValue != null } &&
+                    f.valueParameters.isNotEmpty() &&
+                    f.valueParameters.all { it.defaultValue != null } &&
                     f.parentClassOrNull?.let {
                         // Don't create a default constructor for an annotation class, or a class
                         // that explicitly declares a no-arg constructor.
                         !it.isAnnotationClass &&
                             it.declarations.none { d ->
-                                d is IrConstructor && d.codeQlValueParameters.isEmpty()
+                                d is IrConstructor && d.valueParameters.isEmpty()
                             }
                     } == true
             ) {
                 // Per https://kotlinlang.org/docs/classes.html#creating-instances-of-classes, a
                 // single default overload gets created specifically
                 // when we have all default parameters, regardless of `@JvmOverloads`.
-                extractGeneratedOverload(f.codeQlValueParameters.map { _ -> null })
+                extractGeneratedOverload(f.valueParameters.map { _ -> null })
             }
             return
         }
 
-        val paramList: MutableList<IrValueParameter?> = f.codeQlValueParameters.toMutableList()
-        for (n in (f.codeQlValueParameters.size - 1) downTo 0) {
-            if (f.codeQlValueParameters[n].defaultValue != null) {
+        val paramList: MutableList<IrValueParameter?> = f.valueParameters.toMutableList()
+        for (n in (f.valueParameters.size - 1) downTo 0) {
+            if (f.valueParameters[n].defaultValue != null) {
                 paramList[n] = null // Remove this parameter, to be replaced by a default value
                 extractGeneratedOverload(paramList)
             }
@@ -2327,7 +2327,7 @@ open class KotlinFileExtractor(
             getClassByFqName(pluginContext, it)?.let { annotationClass ->
                 annotationClass.owner.declarations.firstIsInstanceOrNull<IrConstructor>()?.let {
                     annotationConstructor ->
-                    codeQlAnnotationFromSymbolOwner(
+                    IrConstructorCallImpl.fromSymbolOwner(
                         UNDEFINED_OFFSET,
                         UNDEFINED_OFFSET,
                         annotationConstructor.returnType,
@@ -2388,13 +2388,13 @@ open class KotlinFileExtractor(
                             id
                         }
 
-                val extReceiver = f.codeQlExtensionReceiverParameter
+                val extReceiver = f.extensionReceiverParameter
                 // The following parameter order is correct, because member $default methods (where
                 // the order would be [dispatchParam], [extensionParam], normalParams) are not
                 // extracted here
                 val fParameters =
                     listOfNotNull(extReceiver) +
-                        (overriddenAttributes?.valueParameters ?: f.codeQlValueParameters)
+                        (overriddenAttributes?.valueParameters ?: f.valueParameters)
                 val paramTypes =
                     fParameters.mapIndexed { i, vp ->
                         extractValueParameter(
@@ -3069,14 +3069,14 @@ open class KotlinFileExtractor(
             logger.errorElement("Unexpected dispatch receiver found", c)
         }
 
-        if (c.codeQlValueArgumentsCount < 1) {
+        if (c.valueArgumentsCount < 1) {
             logger.errorElement("No arguments found", c)
             return
         }
 
         extractArgument(id, c, callable, enclosingStmt, 0, "Operand null")
 
-        if (c.codeQlValueArgumentsCount > 1) {
+        if (c.valueArgumentsCount > 1) {
             logger.errorElement("Extra arguments found", c)
         }
     }
@@ -3095,21 +3095,21 @@ open class KotlinFileExtractor(
             logger.errorElement("Unexpected dispatch receiver found", c)
         }
 
-        if (c.codeQlValueArgumentsCount < 1) {
+        if (c.valueArgumentsCount < 1) {
             logger.errorElement("No arguments found", c)
             return
         }
 
         extractArgument(id, c, callable, enclosingStmt, 0, "LHS null")
 
-        if (c.codeQlValueArgumentsCount < 2) {
+        if (c.valueArgumentsCount < 2) {
             logger.errorElement("No RHS found", c)
             return
         }
 
         extractArgument(id, c, callable, enclosingStmt, 1, "RHS null")
 
-        if (c.codeQlValueArgumentsCount > 2) {
+        if (c.valueArgumentsCount > 2) {
             logger.errorElement("Extra arguments found", c)
         }
     }
@@ -3122,7 +3122,7 @@ open class KotlinFileExtractor(
         idx: Int,
         msg: String
     ) {
-        val op = c.codeQlGetValueArgument(idx)
+        val op = c.getValueArgument(idx)
         if (op == null) {
             logger.errorElement(msg, c)
         } else {
@@ -3267,8 +3267,8 @@ open class KotlinFileExtractor(
         // and which should be replaced by defaults. The final Object parameter is apparently always
         // null.
         (listOfNotNull(if (f.shouldExtractAsStatic) null else f.dispatchReceiverParameter?.type) +
-                listOfNotNull(f.codeQlExtensionReceiverParameter?.type) +
-                f.codeQlValueParameters.map { it.type } +
+                listOfNotNull(f.extensionReceiverParameter?.type) +
+                f.valueParameters.map { it.type } +
                 listOf(pluginContext.irBuiltIns.intType, getDefaultsMethodLastArgType(f)))
             .map { erase(it) }
 
@@ -3345,7 +3345,7 @@ open class KotlinFileExtractor(
         val overriddenCallTarget =
             (callTarget as? IrSimpleFunction)?.allOverridden(includeSelf = true)?.firstOrNull {
                 it.overriddenSymbols.isEmpty() &&
-                    it.codeQlValueParameters.any { p -> p.defaultValue != null }
+                    it.valueParameters.any { p -> p.defaultValue != null }
             } ?: callTarget
         if (isExternalDeclaration(overriddenCallTarget)) {
             // Likewise, ensure the overridden target gets extracted.
@@ -3419,7 +3419,7 @@ open class KotlinFileExtractor(
         }
 
         val valueArgsWithDummies =
-            valueArguments.zip(callTarget.codeQlValueParameters).map { (expr, param) ->
+            valueArguments.zip(callTarget.valueParameters).map { (expr, param) ->
                 expr ?: IrConstImpl.defaultValueForType(0, 0, param.type)
             }
 
@@ -3529,7 +3529,7 @@ open class KotlinFileExtractor(
         callTarget: IrFunction,
         valueArguments: List<IrExpression?>
     ): Boolean {
-        val varargParam = callTarget.codeQlValueParameters.withIndex().find { it.value.isVararg }
+        val varargParam = callTarget.valueParameters.withIndex().find { it.value.isVararg }
         // If the vararg param is the only one not specified, and it has no default value, then we
         // don't need to call a $default method,
         // as omitting it already implies passing an empty vararg array.
@@ -3805,7 +3805,7 @@ open class KotlinFileExtractor(
     ) =
         extractCallValueArguments(
             callId,
-            (0 until call.codeQlValueArgumentsCount).map { call.codeQlGetValueArgument(it) },
+            (0 until call.valueArgumentsCount).map { call.getValueArgument(it) },
             enclosingStmt,
             enclosingCallable,
             idxOffset
@@ -3874,7 +3874,7 @@ open class KotlinFileExtractor(
                     (owner.parentClassOrNull?.fqNameWhenAvailable?.asString() == type ||
                         (owner.parent is IrExternalPackageFragment &&
                             getFileClassFqName(owner)?.asString() == type)) &&
-                        owner.codeQlValueParameters
+                        owner.valueParameters
                             .map { it.type.classFqName?.asString() }
                             .toTypedArray() contentEquals parameterTypes
                 }
@@ -3926,8 +3926,8 @@ open class KotlinFileExtractor(
         val result =
             javaLangString?.declarations?.findSubType<IrFunction> {
                 it.name.asString() == "valueOf" &&
-                    it.codeQlValueParameters.size == 1 &&
-                    it.codeQlValueParameters[0].type == pluginContext.irBuiltIns.anyNType
+                    it.valueParameters.size == 1 &&
+                    it.valueParameters[0].type == pluginContext.irBuiltIns.anyNType
             }
         if (result == null) {
             logger.error("Couldn't find declaration java.lang.String.valueOf(Object)")
@@ -3951,7 +3951,7 @@ open class KotlinFileExtractor(
     val kotlinNoWhenBranchMatchedConstructor by lazy {
         val result =
             kotlinNoWhenBranchMatchedExn?.declarations?.findSubType<IrConstructor> {
-                it.codeQlValueParameters.isEmpty()
+                it.valueParameters.isEmpty()
             }
         if (result == null) {
             logger.error("Couldn't find no-arg constructor for kotlin.NoWhenBranchMatchedException")
@@ -3990,7 +3990,7 @@ open class KotlinFileExtractor(
             verboseln("No match as function name is ${target.name.asString()} not $fName")
             return false
         }
-        val extensionReceiverParameter = target.codeQlExtensionReceiverParameter
+        val extensionReceiverParameter = target.extensionReceiverParameter
         val targetClass =
             if (extensionReceiverParameter == null) {
                 if (isNullable == true) {
@@ -4098,8 +4098,8 @@ open class KotlinFileExtractor(
             ) {
                 val typeArgs =
                     if (extractMethodTypeArguments)
-                        (0 until c.codeQlTypeArgumentsCount)
-                            .map { c.codeQlGetTypeArgument(it) }
+                        (0 until c.typeArgumentsCount)
+                            .map { c.getTypeArgument(it) }
                             .requireNoNullsOrNull()
                     else listOf()
 
@@ -4116,9 +4116,9 @@ open class KotlinFileExtractor(
                     parent,
                     idx,
                     enclosingStmt,
-                    (0 until c.codeQlValueArgumentsCount).map { c.codeQlGetValueArgument(it) },
+                    (0 until c.valueArgumentsCount).map { c.getValueArgument(it) },
                     c.dispatchReceiver,
-                    c.codeQlExtensionReceiver,
+                    c.extensionReceiver,
                     typeArgs,
                     extractClassTypeArguments,
                     c.superQualifierSymbol
@@ -4126,12 +4126,12 @@ open class KotlinFileExtractor(
             }
 
             fun extractSpecialEnumFunction(fnName: String) {
-                if (c.codeQlTypeArgumentsCount != 1) {
+                if (c.typeArgumentsCount != 1) {
                     logger.errorElement("Expected to find exactly one type argument", c)
                     return
                 }
 
-                val enumType = (c.codeQlGetTypeArgument(0) as? IrSimpleType)?.classifier?.owner
+                val enumType = (c.getTypeArgument(0) as? IrSimpleType)?.classifier?.owner
                 if (enumType == null) {
                     logger.errorElement("Couldn't find type of enum type", c)
                     return
@@ -4178,13 +4178,13 @@ open class KotlinFileExtractor(
                 } else {
                     extractExpressionExpr(receiver, callable, id, 0, enclosingStmt)
                 }
-                if (c.codeQlValueArgumentsCount < 1) {
+                if (c.valueArgumentsCount < 1) {
                     logger.errorElement("No RHS found", c)
                 } else {
-                    if (c.codeQlValueArgumentsCount > 1) {
+                    if (c.valueArgumentsCount > 1) {
                         logger.errorElement("Extra arguments found", c)
                     }
-                    val arg = c.codeQlGetValueArgument(0)
+                    val arg = c.getValueArgument(0)
                     if (arg == null) {
                         logger.errorElement("RHS null", c)
                     } else {
@@ -4205,7 +4205,7 @@ open class KotlinFileExtractor(
                 } else {
                     extractExpressionExpr(receiver, callable, id, 0, enclosingStmt)
                 }
-                if (c.codeQlValueArgumentsCount > 0) {
+                if (c.valueArgumentsCount > 0) {
                     logger.errorElement("Extra arguments found", c)
                 }
             }
@@ -4219,7 +4219,7 @@ open class KotlinFileExtractor(
             }
 
             fun binopExt(id: Label<out DbExpr>) {
-                binopReceiver(id, c.codeQlExtensionReceiver, "Extension receiver")
+                binopReceiver(id, c.extensionReceiver, "Extension receiver")
             }
 
             fun unaryopDisp(id: Label<out DbExpr>) {
@@ -4227,7 +4227,7 @@ open class KotlinFileExtractor(
             }
 
             fun unaryopExt(id: Label<out DbExpr>) {
-                unaryopReceiver(id, c.codeQlExtensionReceiver, "Extension receiver")
+                unaryopReceiver(id, c.extensionReceiver, "Extension receiver")
             }
 
             val dr = c.dispatchReceiver
@@ -4249,7 +4249,7 @@ open class KotlinFileExtractor(
                             parent,
                             idx,
                             enclosingStmt,
-                            listOf(c.codeQlExtensionReceiver, c.codeQlGetValueArgument(0)),
+                            listOf(c.extensionReceiver, c.getValueArgument(0)),
                             null,
                             null
                         )
@@ -4350,7 +4350,7 @@ open class KotlinFileExtractor(
                 // != gets desugared into not and ==. Here we resugar it.
                 c.origin == IrStatementOrigin.EXCLEQ &&
                     isFunction(target, "kotlin", "Boolean", "not") &&
-                    c.codeQlValueArgumentsCount == 0 &&
+                    c.valueArgumentsCount == 0 &&
                     dr != null &&
                     dr is IrCall &&
                     isBuiltinCallInternal(dr, "EQEQ") -> {
@@ -4362,7 +4362,7 @@ open class KotlinFileExtractor(
                 }
                 c.origin == IrStatementOrigin.EXCLEQEQ &&
                     isFunction(target, "kotlin", "Boolean", "not") &&
-                    c.codeQlValueArgumentsCount == 0 &&
+                    c.valueArgumentsCount == 0 &&
                     dr != null &&
                     dr is IrCall &&
                     isBuiltinCallInternal(dr, "EQEQEQ") -> {
@@ -4374,7 +4374,7 @@ open class KotlinFileExtractor(
                 }
                 c.origin == IrStatementOrigin.EXCLEQ &&
                     isFunction(target, "kotlin", "Boolean", "not") &&
-                    c.codeQlValueArgumentsCount == 0 &&
+                    c.valueArgumentsCount == 0 &&
                     dr != null &&
                     dr is IrCall &&
                     isBuiltinCallInternal(dr, "ieee754equals") -> {
@@ -4576,7 +4576,7 @@ open class KotlinFileExtractor(
                             parent,
                             idx,
                             enclosingStmt,
-                            listOf(c.codeQlExtensionReceiver),
+                            listOf(c.extensionReceiver),
                             null,
                             null
                         )
@@ -4596,8 +4596,8 @@ open class KotlinFileExtractor(
                     val locId = tw.getLocation(c)
                     extractExprContext(id, locId, callable, enclosingStmt)
 
-                    if (c.codeQlTypeArgumentsCount == 1) {
-                        val typeArgument = c.codeQlGetTypeArgument(0)
+                    if (c.typeArgumentsCount == 1) {
+                        val typeArgument = c.getTypeArgument(0)
                         if (typeArgument == null) {
                             logger.errorElement("Type argument missing in an arrayOfNulls call", c)
                         } else {
@@ -4618,8 +4618,8 @@ open class KotlinFileExtractor(
                         )
                     }
 
-                    if (c.codeQlValueArgumentsCount == 1) {
-                        val dim = c.codeQlGetValueArgument(0)
+                    if (c.valueArgumentsCount == 1) {
+                        val dim = c.getValueArgument(0)
                         if (dim != null) {
                             extractExpressionExpr(dim, callable, id, 0, enclosingStmt)
                         } else {
@@ -4651,8 +4651,8 @@ open class KotlinFileExtractor(
                             c.type.getArrayElementTypeCodeQL(pluginContext.irBuiltIns)
                         } else {
                             // TODO: is there any reason not to always use getArrayElementTypeCodeQL?
-                            if (c.codeQlTypeArgumentsCount == 1) {
-                                c.codeQlGetTypeArgument(0).also {
+                            if (c.typeArgumentsCount == 1) {
+                                c.getTypeArgument(0).also {
                                     if (it == null) {
                                         logger.errorElement(
                                             "Type argument missing in an arrayOf call",
@@ -4670,7 +4670,7 @@ open class KotlinFileExtractor(
                         }
 
                     val arg =
-                        if (c.codeQlValueArgumentsCount == 1) c.codeQlGetValueArgument(0)
+                        if (c.valueArgumentsCount == 1) c.getValueArgument(0)
                             else {
                                 logger.errorElement(
                                     "Expected to find only one (vararg) argument in ${c.symbol.owner.name.asString()} call",
@@ -4719,7 +4719,7 @@ open class KotlinFileExtractor(
                                 return
                             }
 
-                            val ext = c.codeQlExtensionReceiver
+                            val ext = c.extensionReceiver
                             if (ext == null) {
                                 logger.errorElement(
                                     "No extension receiver found for `KClass::java` call",
@@ -4826,8 +4826,8 @@ open class KotlinFileExtractor(
                     c.origin == IrStatementOrigin.EQ &&
                     c.dispatchReceiver != null -> {
                     val array = c.dispatchReceiver
-                    val arrayIdx = c.codeQlGetValueArgument(0)
-                    val assignedValue = c.codeQlGetValueArgument(1)
+                    val arrayIdx = c.getValueArgument(0)
+                    val assignedValue = c.getValueArgument(1)
 
                     if (array != null && arrayIdx != null && assignedValue != null) {
 
@@ -4882,22 +4882,22 @@ open class KotlinFileExtractor(
                 }
                 isBuiltinCall(c, "<unsafe-coerce>", "kotlin.jvm.internal") -> {
 
-                    if (c.codeQlValueArgumentsCount != 1) {
+                    if (c.valueArgumentsCount != 1) {
                         logger.errorElement(
-                            "Expected to find one argument for a kotlin.jvm.internal.<unsafe-coerce>() call, but found ${c.codeQlValueArgumentsCount}",
+                            "Expected to find one argument for a kotlin.jvm.internal.<unsafe-coerce>() call, but found ${c.valueArgumentsCount}",
                             c
                         )
                         return
                     }
 
-                    if (c.codeQlTypeArgumentsCount != 2) {
+                    if (c.typeArgumentsCount != 2) {
                         logger.errorElement(
-                            "Expected to find two type arguments for a kotlin.jvm.internal.<unsafe-coerce>() call, but found ${c.codeQlTypeArgumentsCount}",
+                            "Expected to find two type arguments for a kotlin.jvm.internal.<unsafe-coerce>() call, but found ${c.typeArgumentsCount}",
                             c
                         )
                         return
                     }
-                    val valueArg = c.codeQlGetValueArgument(0)
+                    val valueArg = c.getValueArgument(0)
                     if (valueArg == null) {
                         logger.errorElement(
                             "Cannot find value argument for a kotlin.jvm.internal.<unsafe-coerce>() call",
@@ -4905,7 +4905,7 @@ open class KotlinFileExtractor(
                         )
                         return
                     }
-                    val typeArg = c.codeQlGetTypeArgument(1)
+                    val typeArg = c.getTypeArgument(1)
                     if (typeArg == null) {
                         logger.errorElement(
                             "Cannot find type argument for a kotlin.jvm.internal.<unsafe-coerce>() call",
@@ -4924,7 +4924,7 @@ open class KotlinFileExtractor(
                     extractExpressionExpr(valueArg, callable, id, 1, enclosingStmt)
                 }
                 isBuiltinCallInternal(c, "dataClassArrayMemberToString") -> {
-                    val arrayArg = c.codeQlGetValueArgument(0)
+                    val arrayArg = c.getValueArgument(0)
                     val realArrayClass = arrayArg?.type?.classOrNull
                     if (realArrayClass == null) {
                         logger.errorElement(
@@ -4936,8 +4936,8 @@ open class KotlinFileExtractor(
                     val realCallee =
                         javaUtilArrays?.declarations?.findSubType<IrFunction> { decl ->
                             decl.name.asString() == "toString" &&
-                                decl.codeQlValueParameters.size == 1 &&
-                                decl.codeQlValueParameters[0].type.classOrNull?.let {
+                                decl.valueParameters.size == 1 &&
+                                decl.valueParameters[0].type.classOrNull?.let {
                                     it == realArrayClass
                                 } == true
                         }
@@ -4962,7 +4962,7 @@ open class KotlinFileExtractor(
                     }
                 }
                 isBuiltinCallInternal(c, "dataClassArrayMemberHashCode") -> {
-                    val arrayArg = c.codeQlGetValueArgument(0)
+                    val arrayArg = c.getValueArgument(0)
                     val realArrayClass = arrayArg?.type?.classOrNull
                     if (realArrayClass == null) {
                         logger.errorElement(
@@ -4974,8 +4974,8 @@ open class KotlinFileExtractor(
                     val realCallee =
                         javaUtilArrays?.declarations?.findSubType<IrFunction> { decl ->
                             decl.name.asString() == "hashCode" &&
-                                decl.codeQlValueParameters.size == 1 &&
-                                decl.codeQlValueParameters[0].type.classOrNull?.let {
+                                decl.valueParameters.size == 1 &&
+                                decl.valueParameters[0].type.classOrNull?.let {
                                     it == realArrayClass
                                 } == true
                         }
@@ -5155,7 +5155,7 @@ open class KotlinFileExtractor(
         val type = useType(eType)
         val isAnonymous = eType.isAnonymous
         val locId = tw.getLocation(e)
-        val valueArgs = (0 until e.codeQlValueArgumentsCount).map { e.codeQlGetValueArgument(it) }
+        val valueArgs = (0 until e.valueArgumentsCount).map { e.getValueArgument(it) }
 
         val id =
             if (
@@ -5211,10 +5211,10 @@ open class KotlinFileExtractor(
                         realCallTarget is IrConstructor &&
                         realCallTarget.parentClassOrNull?.fqNameWhenAvailable?.asString() ==
                             "kotlin.Enum" &&
-                        realCallTarget.codeQlValueParameters.size == 2 &&
-                        realCallTarget.codeQlValueParameters[0].type ==
+                        realCallTarget.valueParameters.size == 2 &&
+                        realCallTarget.valueParameters[0].type ==
                             pluginContext.irBuiltIns.stringType &&
-                        realCallTarget.codeQlValueParameters[1].type == pluginContext.irBuiltIns.intType
+                        realCallTarget.valueParameters[1].type == pluginContext.irBuiltIns.intType
                 ) {
 
                     val id0 =
@@ -5287,7 +5287,7 @@ open class KotlinFileExtractor(
             }
 
             val args =
-                (0 until e.codeQlTypeArgumentsCount).map { e.codeQlGetTypeArgument(it) }.requireNoNullsOrNull()
+                (0 until e.typeArgumentsCount).map { e.getTypeArgument(it) }.requireNoNullsOrNull()
             if (args == null) {
                 logger.warnElement("Found null type argument in enum constructor call", e)
                 return
@@ -5365,7 +5365,7 @@ open class KotlinFileExtractor(
                 // Check for an expression like x = get(x).op(e):
                 val opReceiver = updateRhs.dispatchReceiver
                 if (isExpectedLhs(opReceiver)) {
-                    updateRhs.codeQlGetValueArgument(0)
+                    updateRhs.getValueArgument(0)
                 } else null
             } else null
         }
@@ -5560,7 +5560,7 @@ open class KotlinFileExtractor(
                                     "set"
                                 )
                             ) {
-                                val updateRhs0 = arraySetCall.codeQlGetValueArgument(1)
+                                val updateRhs0 = arraySetCall.getValueArgument(1)
                                 if (updateRhs0 == null) {
                                     logger.errorElement("Update RHS not found", e)
                                     return false
@@ -6403,12 +6403,12 @@ open class KotlinFileExtractor(
                     val ids = getLocallyVisibleFunctionLabels(e.function)
                     val locId = tw.getLocation(e)
 
-                    val ext = e.function.codeQlExtensionReceiverParameter
+                    val ext = e.function.extensionReceiverParameter
                     val parameters =
                         if (ext != null) {
-                            listOf(ext) + e.function.codeQlValueParameters
+                            listOf(ext) + e.function.valueParameters
                         } else {
-                            e.function.codeQlValueParameters
+                            e.function.valueParameters
                         }
 
                     var types = parameters.map { it.type }
@@ -6670,7 +6670,7 @@ open class KotlinFileExtractor(
                 is IrFunction -> {
                     if (
                         ownerParent.dispatchReceiverParameter == owner &&
-                            ownerParent.codeQlExtensionReceiverParameter != null
+                            ownerParent.extensionReceiverParameter != null
                     ) {
 
                         val ownerParent2 = ownerParent.parent
@@ -7089,7 +7089,7 @@ open class KotlinFileExtractor(
             makeReceiverInfo(callableReferenceExpr.dispatchReceiver, 0)
         private val extensionReceiverInfo =
             makeReceiverInfo(
-                callableReferenceExpr.codeQlExtensionReceiver,
+                callableReferenceExpr.extensionReceiver,
                 if (dispatchReceiverInfo == null) 0 else 1
             )
 
@@ -7627,8 +7627,8 @@ open class KotlinFileExtractor(
                     }
 
             val expressionTypeArguments =
-                (0 until propertyReferenceExpr.codeQlTypeArgumentsCount).mapNotNull {
-                    propertyReferenceExpr.codeQlGetTypeArgument(it)
+                (0 until propertyReferenceExpr.typeArgumentsCount).mapNotNull {
+                    propertyReferenceExpr.getTypeArgument(it)
                 }
 
             val idPropertyRef = tw.getFreshIdLabel<DbPropertyref>()
@@ -7829,7 +7829,7 @@ open class KotlinFileExtractor(
 
             if (
                 functionReferenceExpr.dispatchReceiver != null &&
-                    functionReferenceExpr.codeQlExtensionReceiver != null
+                    functionReferenceExpr.extensionReceiver != null
             ) {
                 logger.errorElement(
                     "Unexpected: dispatchReceiver and extensionReceiver are both non-null",
@@ -7840,7 +7840,7 @@ open class KotlinFileExtractor(
 
             if (
                 target.owner.dispatchReceiverParameter != null &&
-                    target.owner.codeQlExtensionReceiverParameter != null
+                    target.owner.extensionReceiverParameter != null
             ) {
                 logger.errorElement(
                     "Unexpected: dispatch and extension parameters are both non-null",
@@ -7899,8 +7899,8 @@ open class KotlinFileExtractor(
                             null
                         }
                 expressionTypeArguments =
-                    (0 until functionReferenceExpr.codeQlTypeArgumentsCount).mapNotNull {
-                        functionReferenceExpr.codeQlGetTypeArgument(it)
+                    (0 until functionReferenceExpr.typeArgumentsCount).mapNotNull {
+                        functionReferenceExpr.getTypeArgument(it)
                     }
                 dispatchReceiverIdx = -1
             }
@@ -7965,7 +7965,7 @@ open class KotlinFileExtractor(
                         functionReferenceExpr,
                         declarationParent,
                         null,
-                        { it.codeQlValueParameters.size == 1 }
+                        { it.valueParameters.size == 1 }
                     ) {
                         // The argument to FunctionReference's constructor is the function arity.
                         extractConstantInteger(
@@ -8572,7 +8572,7 @@ open class KotlinFileExtractor(
         reverse: Boolean = false
     ) {
         val typeArguments =
-            (0 until c.codeQlTypeArgumentsCount).map { c.codeQlGetTypeArgument(it) }.requireNoNullsOrNull()
+            (0 until c.typeArgumentsCount).map { c.getTypeArgument(it) }.requireNoNullsOrNull()
         if (typeArguments == null) {
             logger.errorElement("Found a null type argument for a member access expression", c)
         } else {
@@ -8923,11 +8923,11 @@ open class KotlinFileExtractor(
                     tw.writeVariableBinding(lhsId, fieldId)
 
                     val parameters = mutableListOf<IrValueParameter>()
-                    val extParam = samMember.codeQlExtensionReceiverParameter
+                    val extParam = samMember.extensionReceiverParameter
                     if (extParam != null) {
                         parameters.add(extParam)
                     }
-                    parameters.addAll(samMember.codeQlValueParameters)
+                    parameters.addAll(samMember.valueParameters)
 
                     fun extractArgument(
                         p: IrValueParameter,
@@ -9032,7 +9032,7 @@ open class KotlinFileExtractor(
         elementToReportOn: IrElement,
         declarationParent: IrDeclarationParent,
         compilerGeneratedKindOverride: CompilerGeneratedKinds? = null,
-        superConstructorSelector: (IrFunction) -> Boolean = { it.codeQlValueParameters.isEmpty() },
+        superConstructorSelector: (IrFunction) -> Boolean = { it.valueParameters.isEmpty() },
         extractSuperconstructorArgs: (Label<DbSuperconstructorinvocationstmt>) -> Unit = {},
     ): Label<out DbClassorinterface> {
         // Write class

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

@@ -12,7 +12,7 @@ import org.jetbrains.kotlin.ir.ObsoleteDescriptorBasedAPI
 import org.jetbrains.kotlin.ir.declarations.*
 import org.jetbrains.kotlin.ir.expressions.*
 import org.jetbrains.kotlin.ir.symbols.*
-import com.github.codeql.utils.versions.codeQlAddAnnotations
+import org.jetbrains.kotlin.ir.types.addAnnotations
 import org.jetbrains.kotlin.ir.types.classFqName
 import org.jetbrains.kotlin.ir.types.classifierOrNull
 import org.jetbrains.kotlin.ir.types.classOrNull
@@ -355,7 +355,7 @@ open class KotlinUsesExtractor(
     }
 
     private fun propertySignature(p: IrProperty) =
-        ((p.getter ?: p.setter)?.codeQlExtensionReceiverParameter?.let {
+        ((p.getter ?: p.setter)?.extensionReceiverParameter?.let {
             useType(erase(it.type)).javaResult.signature
         } ?: "")
 
@@ -368,7 +368,7 @@ open class KotlinUsesExtractor(
                 // useDeclarationParent -> useFunction
                 // -> extractFunctionLaterIfExternalFileMember, which would result for `fun <T> f(t:
                 // T) { ... }` for example.
-                (listOfNotNull(d.codeQlExtensionReceiverParameter) + d.codeQlValueParameters)
+                (listOfNotNull(d.extensionReceiverParameter) + d.valueParameters)
                     .map { useType(erase(it.type)).javaResult.signature }
                     .joinToString(separator = ",", prefix = "(", postfix = ")")
             is IrProperty -> propertySignature(d) + externalClassExtractor.propertySignature
@@ -488,8 +488,8 @@ open class KotlinUsesExtractor(
             val result =
                 replacementClass.declarations.findSubType<IrSimpleFunction> { replacementDecl ->
                     replacementDecl.name == f.name &&
-                        replacementDecl.codeQlValueParameters.size == f.codeQlValueParameters.size &&
-                        replacementDecl.codeQlValueParameters.zip(f.codeQlValueParameters).all {
+                        replacementDecl.valueParameters.size == f.valueParameters.size &&
+                        replacementDecl.valueParameters.zip(f.valueParameters).all {
                             erase(it.first.type) == erase(it.second.type)
                         }
                 }
@@ -1265,7 +1265,7 @@ open class KotlinUsesExtractor(
     private fun getWildcardSuppressionDirective(t: IrAnnotationContainer): Boolean? =
         t.getAnnotation(jvmWildcardSuppressionAnnotation)?.let {
             @Suppress("USELESS_CAST") // `as? Boolean` is not needed for Kotlin < 2.1
-            (it.codeQlGetValueArgument(0) as? CodeQLIrConst<Boolean>)?.value as? Boolean ?: true
+            (it.getValueArgument(0) as? CodeQLIrConst<Boolean>)?.value as? Boolean ?: true
         }
 
     private fun addJavaLoweringArgumentWildcards(
@@ -1376,9 +1376,9 @@ open class KotlinUsesExtractor(
             f.parent,
             parentId,
             getFunctionShortName(f).nameInDB,
-            (maybeParameterList ?: f.codeQlValueParameters).map { it.type },
+            (maybeParameterList ?: f.valueParameters).map { it.type },
             getAdjustedReturnType(f),
-            f.codeQlExtensionReceiverParameter?.type,
+            f.extensionReceiverParameter?.type,
             getFunctionTypeParameters(f),
             classTypeArgsIncludingOuterClasses,
             overridesCollectionsMethodWithAlteredParameterTypes(f),
@@ -1401,12 +1401,12 @@ open class KotlinUsesExtractor(
         // The name of the function; normally f.name.asString().
         name: String,
         // The types of the value parameters that the functions takes; normally
-        // f.codeQlValueParameters.map { it.type }.
+        // f.valueParameters.map { it.type }.
         parameterTypes: List<IrType>,
         // The return type of the function; normally f.returnType.
         returnType: IrType,
         // The extension receiver of the function, if any; normally
-        // f.codeQlExtensionReceiverParameter?.type.
+        // f.extensionReceiverParameter?.type.
         extensionParamType: IrType?,
         // The type parameters of the function. This does not include type parameters of enclosing
         // classes.
@@ -1579,7 +1579,7 @@ open class KotlinUsesExtractor(
                 parentClass.fqNameWhenAvailable?.asString() !=
                     "java.util.concurrent.ConcurrentHashMap" ||
                 getFunctionShortName(f).nameInDB != "keySet" ||
-                f.codeQlValueParameters.isNotEmpty() ||
+                f.valueParameters.isNotEmpty() ||
                 f.returnType.classFqName?.asString() != "kotlin.collections.MutableSet"
         ) {
             return f.returnType
@@ -1587,7 +1587,7 @@ open class KotlinUsesExtractor(
 
         val otherKeySet =
             parentClass.declarations.findSubType<IrFunction> {
-                it.name.asString() == "keySet" && it.codeQlValueParameters.size == 1
+                it.name.asString() == "keySet" && it.valueParameters.size == 1
             } ?: return f.returnType
 
         return otherKeySet.returnType.codeQlWithHasQuestionMark(false)
@@ -1695,8 +1695,8 @@ open class KotlinUsesExtractor(
                         javaClass.declarations.findSubType<IrFunction> { decl ->
                             !decl.isFakeOverride &&
                                 decl.name.asString() == jvmName &&
-                                decl.codeQlValueParameters.size == f.codeQlValueParameters.size &&
-                                decl.codeQlValueParameters.zip(f.codeQlValueParameters).all { p ->
+                                decl.valueParameters.size == f.valueParameters.size &&
+                                decl.valueParameters.zip(f.valueParameters).all { p ->
                                     erase(p.first.type).classifierOrNull ==
                                         erase(p.second.type).classifierOrNull
                                 }
@@ -2125,7 +2125,7 @@ open class KotlinUsesExtractor(
                 }
 
                 return if (t.arguments.isNotEmpty())
-                    t.codeQlAddAnnotations(listOf(RawTypeAnnotation.annotationConstructor))
+                    t.addAnnotations(listOf(RawTypeAnnotation.annotationConstructor))
                 else t
             }
         }
@@ -2153,7 +2153,7 @@ open class KotlinUsesExtractor(
         val idxOffset =
             if (
                 declarationParent is IrFunction &&
-                    declarationParent.codeQlExtensionReceiverParameter != null
+                    declarationParent.extensionReceiverParameter != null
             )
             // For extension functions increase the index to match what the java extractor sees:
             1
@@ -2187,7 +2187,7 @@ open class KotlinUsesExtractor(
     // Gets a field's corresponding property's extension receiver type, if any
     fun getExtensionReceiverType(f: IrField) =
         f.correspondingPropertySymbol?.owner?.let {
-            (it.getter ?: it.setter)?.codeQlExtensionReceiverParameter?.type
+            (it.getter ?: it.setter)?.extensionReceiverParameter?.type
         }
 
     fun getFieldLabel(f: IrField): String {
@@ -2222,14 +2222,14 @@ open class KotlinUsesExtractor(
         val setter = p.setter
 
         val func = getter ?: setter
-        val ext = func?.codeQlExtensionReceiverParameter
+        val ext = func?.extensionReceiverParameter
 
         return if (ext == null) {
             "@\"property;{$parentId};${p.name.asString()}\""
         } else {
             val returnType =
                 getter?.returnType
-                    ?: setter?.codeQlValueParameters?.singleOrNull()?.type
+                    ?: setter?.valueParameters?.singleOrNull()?.type
                     ?: pluginContext.irBuiltIns.unitType
             val typeParams = getFunctionTypeParameters(func)
 

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

@@ -1,10 +1,5 @@
 package com.github.codeql
 
-import com.github.codeql.utils.versions.codeQlAnnotationFromSymbolOwner
-import com.github.codeql.utils.versions.codeQlGetValueArgument
-import com.github.codeql.utils.versions.codeQlPutValueArgument
-import com.github.codeql.utils.versions.codeQlSetAnnotations
-import com.github.codeql.utils.versions.codeQlSetDispatchReceiverParameter
 import com.github.codeql.utils.versions.createImplicitParameterDeclarationWithWrappedDescriptor
 import java.lang.annotation.ElementType
 import java.util.HashSet
@@ -100,7 +95,7 @@ class MetaAnnotationSupport(
                     JvmAnnotationNames.REPEATABLE_ANNOTATION
             }
         return if (jvmRepeatable != null) {
-            ((jvmRepeatable.codeQlGetValueArgument(0) as? IrClassReference)?.symbol as? IrClassSymbol)
+            ((jvmRepeatable.getValueArgument(0) as? IrClassReference)?.symbol as? IrClassSymbol)
                 ?.owner
         } else {
             getOrCreateSyntheticRepeatableAnnotationContainer(annotationClass)
@@ -122,12 +117,12 @@ class MetaAnnotationSupport(
             )
             return null
         } else {
-            return codeQlAnnotationFromSymbolOwner(
+            return IrConstructorCallImpl.fromSymbolOwner(
                     containerClass.defaultType,
                     containerConstructor.symbol
                 )
                 .apply {
-                    codeQlPutValueArgument(
+                    putValueArgument(
                         0,
                         IrVarargImpl(
                             UNDEFINED_OFFSET,
@@ -149,7 +144,7 @@ class MetaAnnotationSupport(
 
     // Taken from AdditionalClassAnnotationLowering.kt
     private fun loadAnnotationTargets(targetEntry: IrConstructorCall): Set<KotlinTarget>? {
-        val valueArgument = targetEntry.codeQlGetValueArgument(0) as? IrVararg ?: return null
+        val valueArgument = targetEntry.getValueArgument(0) as? IrVararg ?: return null
         return valueArgument.elements
             .filterIsInstance<IrGetEnumValue>()
             .mapNotNull { KotlinTarget.valueOrNull(it.symbol.owner.name.asString()) }
@@ -235,14 +230,14 @@ class MetaAnnotationSupport(
             )
         }
 
-        return codeQlAnnotationFromSymbolOwner(
+        return IrConstructorCallImpl.fromSymbolOwner(
                 UNDEFINED_OFFSET,
                 UNDEFINED_OFFSET,
                 targetConstructor.returnType,
                 targetConstructor.symbol,
                 0
             )
-            .apply { codeQlPutValueArgument(0, vararg) }
+            .apply { putValueArgument(0, vararg) }
     }
 
     private val javaAnnotationRetention by lazy {
@@ -268,7 +263,7 @@ class MetaAnnotationSupport(
     // Taken from AnnotationCodegen.kt (not available in Kotlin < 1.6.20)
     private fun IrClass.getAnnotationRetention(): KotlinRetention? {
         val retentionArgument =
-            getAnnotation(StandardNames.FqNames.retention)?.codeQlGetValueArgument(0) as? IrGetEnumValue
+            getAnnotation(StandardNames.FqNames.retention)?.getValueArgument(0) as? IrGetEnumValue
                 ?: return null
         val retentionArgumentValue = retentionArgument.symbol.owner
         return KotlinRetention.valueOf(retentionArgumentValue.name.asString())
@@ -288,7 +283,7 @@ class MetaAnnotationSupport(
         val targetConstructor =
             retentionType.declarations.firstIsInstanceOrNull<IrConstructor>() ?: return null
 
-        return codeQlAnnotationFromSymbolOwner(
+        return IrConstructorCallImpl.fromSymbolOwner(
                 UNDEFINED_OFFSET,
                 UNDEFINED_OFFSET,
                 targetConstructor.returnType,
@@ -296,7 +291,7 @@ class MetaAnnotationSupport(
                 0
             )
             .apply {
-                codeQlPutValueArgument(
+                putValueArgument(
                     0,
                     IrGetEnumValueImpl(
                         UNDEFINED_OFFSET,
@@ -338,7 +333,7 @@ class MetaAnnotationSupport(
                             return
                         }
                 val newParam = thisReceiever.copyTo(this)
-                codeQlSetDispatchReceiverParameter(newParam)
+                dispatchReceiverParameter = newParam
                 body =
                     factory
                         .createBlockBody(UNDEFINED_OFFSET, UNDEFINED_OFFSET)
@@ -411,7 +406,7 @@ class MetaAnnotationSupport(
             val repeatableContainerAnnotation =
                 kotlinAnnotationRepeatableContainer?.constructors?.single()
 
-            codeQlSetAnnotations(containerClass,
+            containerClass.annotations =
                 annotationClass.annotations
                     .filter {
                         it.isAnnotationWithEqualFqName(StandardNames.FqNames.retention) ||
@@ -420,7 +415,7 @@ class MetaAnnotationSupport(
                     .map { it.deepCopyWithSymbols(containerClass) } +
                     listOfNotNull(
                         repeatableContainerAnnotation?.let {
-                            codeQlAnnotationFromSymbolOwner(
+                            IrConstructorCallImpl.fromSymbolOwner(
                                 UNDEFINED_OFFSET,
                                 UNDEFINED_OFFSET,
                                 it.returnType,
@@ -429,7 +424,6 @@ class MetaAnnotationSupport(
                             )
                         }
                     )
-            )
 
             containerClass
         }
@@ -468,14 +462,14 @@ class MetaAnnotationSupport(
                 containerClass.symbol,
                 containerClass.defaultType
             )
-        return codeQlAnnotationFromSymbolOwner(
+        return IrConstructorCallImpl.fromSymbolOwner(
                 UNDEFINED_OFFSET,
                 UNDEFINED_OFFSET,
                 repeatableConstructor.returnType,
                 repeatableConstructor.symbol,
                 0
             )
-            .apply { codeQlPutValueArgument(0, containerReference) }
+            .apply { putValueArgument(0, containerReference) }
     }
 
     private val javaAnnotationDocumented by lazy {
@@ -494,7 +488,7 @@ class MetaAnnotationSupport(
             javaAnnotationDocumented?.declarations?.firstIsInstanceOrNull<IrConstructor>()
                 ?: return null
 
-        return codeQlAnnotationFromSymbolOwner(
+        return IrConstructorCallImpl.fromSymbolOwner(
             UNDEFINED_OFFSET,
             UNDEFINED_OFFSET,
             documentedConstructor.returnType,

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

@@ -1,7 +1,6 @@
 package com.github.codeql
 
 import com.github.codeql.KotlinUsesExtractor.LocallyVisibleFunctionLabels
-import com.github.codeql.utils.versions.codeQlExtensionReceiver
 import com.semmle.extractor.java.PopulateFile
 import com.semmle.util.unicode.UTF8Util
 import java.io.BufferedWriter
@@ -332,7 +331,7 @@ open class FileTrapWriter(
             is IrCall -> {
                 // Calls have incorrect startOffset, so we adjust them:
                 val dr = e.dispatchReceiver?.let { getStartOffset(it) }
-                val er = e.codeQlExtensionReceiver?.let { getStartOffset(it) }
+                val er = e.extensionReceiver?.let { getStartOffset(it) }
                 offsetMinOf(e.startOffset, dr, er)
             }
             else -> e.startOffset

java/kotlin-extractor/src/main/kotlin/comments/CommentExtractor.kt

@@ -2,7 +2,6 @@ package com.github.codeql.comments
 
 import com.github.codeql.*
 import com.github.codeql.utils.isLocalFunction
-import com.github.codeql.utils.versions.codeQlExtensionReceiverParameter
 import com.github.codeql.utils.versions.isDispatchReceiver
 import org.jetbrains.kotlin.ir.IrElement
 import org.jetbrains.kotlin.ir.declarations.*
@@ -12,7 +11,7 @@ import org.jetbrains.kotlin.ir.util.parentClassOrNull
 
 private fun IrValueParameter.isExtensionReceiver(): Boolean {
     val parentFun = parent as? IrFunction ?: return false
-    return parentFun.codeQlExtensionReceiverParameter == this
+    return parentFun.extensionReceiverParameter == this
 }
 
 open class CommentExtractor(

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

@@ -1,8 +1,6 @@
 package com.github.codeql.utils
 
 import com.github.codeql.utils.versions.CodeQLIrConst
-import com.github.codeql.utils.versions.codeQlGetValueArgument
-import com.github.codeql.utils.versions.codeQlValueArgumentsCount
 import org.jetbrains.kotlin.builtins.StandardNames
 import org.jetbrains.kotlin.ir.declarations.IrAnnotationContainer
 import org.jetbrains.kotlin.ir.declarations.IrClass
@@ -78,9 +76,9 @@ private fun getSpecialJvmName(f: IrFunction): String? {
 fun getJvmName(container: IrAnnotationContainer): String? {
     for (a: IrConstructorCall in container.annotations) {
         val t = a.type
-        if (t is IrSimpleType && a.codeQlValueArgumentsCount == 1) {
+        if (t is IrSimpleType && a.valueArgumentsCount == 1) {
             val owner = t.classifier.owner
-            val v = a.codeQlGetValueArgument(0)
+            val v = a.getValueArgument(0)
             if (owner is IrClass) {
                 val aPkg = owner.packageFqName?.asString()
                 val name = owner.name.asString()

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

@@ -18,7 +18,7 @@ import org.jetbrains.kotlin.ir.expressions.IrConstructorCall
 import org.jetbrains.kotlin.ir.expressions.impl.*
 import org.jetbrains.kotlin.ir.symbols.IrTypeParameterSymbol
 import org.jetbrains.kotlin.ir.symbols.impl.DescriptorlessExternalPackageFragmentSymbol
-import com.github.codeql.utils.versions.codeQlAddAnnotations
+import org.jetbrains.kotlin.ir.types.addAnnotations
 import org.jetbrains.kotlin.ir.types.classifierOrNull
 import org.jetbrains.kotlin.ir.types.makeNotNull
 import org.jetbrains.kotlin.ir.types.makeNullable
@@ -192,7 +192,7 @@ object RawTypeAnnotation {
                     addConstructor { isPrimary = true }
                 }
         val constructor = annoClass.constructors.single()
-        codeQlAnnotationFromSymbolOwner(constructor.constructedClassType, constructor.symbol)
+        IrConstructorCallImpl.fromSymbolOwner(constructor.constructedClassType, constructor.symbol)
     }
 }
 
@@ -202,7 +202,7 @@ fun IrType.toRawType(): IrType =
             when (val owner = this.classifier.owner) {
                 is IrClass -> {
                     if (this.arguments.isNotEmpty())
-                        this.codeQlAddAnnotations(listOf(RawTypeAnnotation.annotationConstructor))
+                        this.addAnnotations(listOf(RawTypeAnnotation.annotationConstructor))
                     else this
                 }
                 is IrTypeParameter -> owner.superTypes[0].toRawType()
@@ -215,7 +215,7 @@ fun IrType.toRawType(): IrType =
 fun IrClass.toRawType(): IrType {
     val result = this.typeWith(listOf())
     return if (this.typeParameters.isNotEmpty())
-        result.codeQlAddAnnotations(listOf(RawTypeAnnotation.annotationConstructor))
+        result.addAnnotations(listOf(RawTypeAnnotation.annotationConstructor))
     else result
 }
 

java/kotlin-extractor/src/main/kotlin/utils/versions/v_1_8_0/IrCompat.kt

@@ -1,70 +0,0 @@
-package com.github.codeql.utils.versions
-
-import org.jetbrains.kotlin.ir.declarations.IrFunction
-import org.jetbrains.kotlin.ir.declarations.IrValueParameter
-import org.jetbrains.kotlin.ir.expressions.IrConstructorCall
-import org.jetbrains.kotlin.ir.expressions.IrExpression
-import org.jetbrains.kotlin.ir.expressions.IrMemberAccessExpression
-import org.jetbrains.kotlin.ir.expressions.impl.*
-import org.jetbrains.kotlin.ir.symbols.IrConstructorSymbol
-import org.jetbrains.kotlin.ir.types.IrType
-import org.jetbrains.kotlin.ir.types.addAnnotations
-
-/**
- * Compatibility accessors for pre-2.4.0 API patterns.
- * In pre-2.4.0 versions, these delegate directly to the existing APIs.
- */
-
-// IrFunction: valueParameters
-val IrFunction.codeQlValueParameters: List<IrValueParameter>
-    get() = valueParameters
-
-// IrFunction: extensionReceiverParameter
-val IrFunction.codeQlExtensionReceiverParameter: IrValueParameter?
-    get() = extensionReceiverParameter
-
-// IrMemberAccessExpression: valueArgumentsCount
-val IrMemberAccessExpression<*>.codeQlValueArgumentsCount: Int
-    get() = valueArgumentsCount
-
-// IrMemberAccessExpression: getValueArgument
-fun IrMemberAccessExpression<*>.codeQlGetValueArgument(index: Int): IrExpression? = getValueArgument(index)
-
-// IrMemberAccessExpression: putValueArgument
-fun IrMemberAccessExpression<*>.codeQlPutValueArgument(index: Int, value: IrExpression?) {
-    putValueArgument(index, value)
-}
-
-// IrMemberAccessExpression: extensionReceiver
-val IrMemberAccessExpression<*>.codeQlExtensionReceiver: IrExpression?
-    get() = extensionReceiver
-
-// IrMemberAccessExpression: typeArgumentsCount
-val IrMemberAccessExpression<*>.codeQlTypeArgumentsCount: Int
-    get() = typeArgumentsCount
-
-// IrMemberAccessExpression: getTypeArgument
-fun IrMemberAccessExpression<*>.codeQlGetTypeArgument(index: Int): IrType? = getTypeArgument(index)
-
-// addAnnotations compat: in pre-2.4.0, addAnnotations expects List<IrConstructorCall>
-fun IrType.codeQlAddAnnotations(annotations: List<IrConstructorCall>): IrType =
-    addAnnotations(annotations)
-
-// IrMutableAnnotationContainer.annotations setter: in pre-2.4.0, annotations is var with List<IrConstructorCall>
-fun codeQlSetAnnotations(container: org.jetbrains.kotlin.ir.declarations.IrMutableAnnotationContainer, annotations: List<IrConstructorCall>) {
-    container.annotations = annotations
-}
-
-// IrFunction: set dispatch receiver parameter (pre-2.4.0 it's a var)
-fun IrFunction.codeQlSetDispatchReceiverParameter(param: IrValueParameter?) {
-    dispatchReceiverParameter = param
-}
-
-// In pre-2.4.0, annotations are List<IrConstructorCall> so IrConstructorCallImpl works directly.
-fun codeQlAnnotationFromSymbolOwner(
-    startOffset: Int, endOffset: Int, type: IrType, symbol: IrConstructorSymbol, typeArgumentsCount: Int
-): IrConstructorCall =
-    IrConstructorCallImpl.fromSymbolOwner(startOffset, endOffset, type, symbol, typeArgumentsCount)
-
-fun codeQlAnnotationFromSymbolOwner(type: IrType, symbol: IrConstructorSymbol): IrConstructorCall =
-    IrConstructorCallImpl.fromSymbolOwner(type, symbol)

java/kotlin-extractor/src/main/kotlin/utils/versions/v_1_8_0/Kotlin2ComponentRegistrar.kt

@@ -3,32 +3,10 @@
 
 package com.github.codeql
 
-import com.intellij.mock.MockProject
-import com.intellij.openapi.extensions.LoadingOrder
-import org.jetbrains.kotlin.backend.common.extensions.IrGenerationExtension
 import org.jetbrains.kotlin.compiler.plugin.ComponentRegistrar
 import org.jetbrains.kotlin.compiler.plugin.ExperimentalCompilerApi
-import org.jetbrains.kotlin.config.CompilerConfiguration
 
 @OptIn(ExperimentalCompilerApi::class)
 abstract class Kotlin2ComponentRegistrar : ComponentRegistrar {
     /* Nothing to do; supportsK2 doesn't exist yet. */
-
-    private var project: MockProject? = null
-
-    override fun registerProjectComponents(
-        project: MockProject,
-        configuration: CompilerConfiguration
-    ) {
-        this.project = project
-        doRegisterExtensions(configuration)
-    }
-
-    abstract fun doRegisterExtensions(configuration: CompilerConfiguration)
-
-    fun registerExtractorExtension(extension: IrGenerationExtension) {
-        val p = project ?: throw IllegalStateException("registerExtractorExtension called before registerProjectComponents")
-        val extensionPoint = p.extensionArea.getExtensionPoint(IrGenerationExtension.extensionPointName)
-        extensionPoint.registerExtension(extension, LoadingOrder.LAST, p)
-    }
 }

java/kotlin-extractor/src/main/kotlin/utils/versions/v_1_9_0-Beta/Kotlin2ComponentRegistrar.kt

@@ -3,35 +3,11 @@
 
 package com.github.codeql
 
-import com.intellij.mock.MockProject
-import com.intellij.openapi.extensions.LoadingOrder
-import org.jetbrains.kotlin.backend.common.extensions.IrGenerationExtension
 import org.jetbrains.kotlin.compiler.plugin.ComponentRegistrar
 import org.jetbrains.kotlin.compiler.plugin.ExperimentalCompilerApi
-import org.jetbrains.kotlin.config.CompilerConfiguration
 
 @OptIn(ExperimentalCompilerApi::class)
 abstract class Kotlin2ComponentRegistrar : ComponentRegistrar {
     override val supportsK2: Boolean
         get() = true
-
-    private var project: MockProject? = null
-
-    override fun registerProjectComponents(
-        project: MockProject,
-        configuration: CompilerConfiguration
-    ) {
-        this.project = project
-        doRegisterExtensions(configuration)
-    }
-
-    abstract fun doRegisterExtensions(configuration: CompilerConfiguration)
-
-    fun registerExtractorExtension(extension: IrGenerationExtension) {
-        val p = project ?: throw IllegalStateException("registerExtractorExtension called before registerProjectComponents")
-        // Register with LoadingOrder.LAST to ensure the extractor runs after other
-        // IR generation plugins (like kotlinx.serialization) have generated their code.
-        val extensionPoint = p.extensionArea.getExtensionPoint(IrGenerationExtension.extensionPointName)
-        extensionPoint.registerExtension(extension, LoadingOrder.LAST, p)
-    }
 }

java/kotlin-extractor/src/main/kotlin/utils/versions/v_2_4_0/IrCompat.kt

@@ -1,121 +0,0 @@
-@file:Suppress("DEPRECATION")
-
-package com.github.codeql.utils.versions
-
-import org.jetbrains.kotlin.ir.declarations.IrFunction
-import org.jetbrains.kotlin.ir.declarations.IrValueParameter
-import org.jetbrains.kotlin.ir.expressions.IrAnnotation
-import org.jetbrains.kotlin.ir.expressions.IrConstructorCall
-import org.jetbrains.kotlin.ir.expressions.IrExpression
-import org.jetbrains.kotlin.ir.expressions.IrMemberAccessExpression
-import org.jetbrains.kotlin.ir.expressions.impl.IrAnnotationImpl
-import org.jetbrains.kotlin.ir.expressions.impl.fromSymbolOwner
-import org.jetbrains.kotlin.ir.symbols.IrConstructorSymbol
-import org.jetbrains.kotlin.ir.types.IrType
-import org.jetbrains.kotlin.ir.types.addAnnotations
-
-/**
- * Compatibility accessors for pre-2.4.0 API patterns.
- * In 2.4.0, valueParameters/extensionReceiverParameter/extensionReceiver/
- * getValueArgument/putValueArgument/valueArgumentsCount/typeArgumentsCount/getTypeArgument
- * have been removed. This file provides the 2.4.0 implementations.
- */
-
-// IrFunction: valueParameters -> parameters filtered to Regular kind
-val IrFunction.codeQlValueParameters: List<IrValueParameter>
-    get() = parameters.filter { it.kind == org.jetbrains.kotlin.ir.declarations.IrParameterKind.Regular }
-
-// IrFunction: extensionReceiverParameter
-val IrFunction.codeQlExtensionReceiverParameter: IrValueParameter?
-    get() = parameters.firstOrNull { it.kind == org.jetbrains.kotlin.ir.declarations.IrParameterKind.ExtensionReceiver }
-
-// Helper: get the offset of value arguments in the arguments list
-// In 2.4.0, arguments[] includes dispatch/extension receivers before regular params
-private fun IrMemberAccessExpression<*>.valueArgumentOffset(): Int {
-    val owner = symbol.owner as? IrFunction ?: return 0
-    return owner.parameters.count { it.kind != org.jetbrains.kotlin.ir.declarations.IrParameterKind.Regular }
-}
-
-// IrMemberAccessExpression: valueArgumentsCount
-val IrMemberAccessExpression<*>.codeQlValueArgumentsCount: Int
-    get() = arguments.size - valueArgumentOffset()
-
-// IrMemberAccessExpression: getValueArgument
-fun IrMemberAccessExpression<*>.codeQlGetValueArgument(index: Int): IrExpression? = arguments[index + valueArgumentOffset()]
-
-// IrMemberAccessExpression: putValueArgument
-fun IrMemberAccessExpression<*>.codeQlPutValueArgument(index: Int, value: IrExpression?) {
-    arguments[index + valueArgumentOffset()] = value
-}
-
-// IrMemberAccessExpression: extensionReceiver
-// For IrCall/IrFunctionReference, look at symbol.owner (IrFunction) directly.
-// For IrPropertyReference, symbol.owner is IrProperty; use the getter's parameters instead.
-val IrMemberAccessExpression<*>.codeQlExtensionReceiver: IrExpression?
-    get() {
-        val erp = extensionReceiverParameterIndex() ?: return null
-        return arguments[erp]
-    }
-
-private fun IrMemberAccessExpression<*>.extensionReceiverParameterIndex(): Int? {
-    // Direct function owner (IrCall, IrFunctionReference, etc.)
-    (symbol.owner as? IrFunction)?.codeQlExtensionReceiverParameter?.let {
-        return it.indexInParameters
-    }
-    // Property reference: look at getter or setter function
-    (this as? org.jetbrains.kotlin.ir.expressions.IrPropertyReference)?.let { propRef ->
-        propRef.getter?.owner?.codeQlExtensionReceiverParameter?.let {
-            return it.indexInParameters
-        }
-        propRef.setter?.owner?.codeQlExtensionReceiverParameter?.let {
-            return it.indexInParameters
-        }
-    }
-    return null
-}
-
-// IrMemberAccessExpression: typeArgumentsCount
-val IrMemberAccessExpression<*>.codeQlTypeArgumentsCount: Int
-    get() = typeArguments.size
-
-// IrMemberAccessExpression: getTypeArgument
-fun IrMemberAccessExpression<*>.codeQlGetTypeArgument(index: Int): IrType? = typeArguments[index]
-
-// addAnnotations compat: in 2.4.0, addAnnotations expects List<IrAnnotation>
-// IrConstructorCall implements IrAnnotation in 2.4.0, so filterIsInstance is identity
-fun IrType.codeQlAddAnnotations(annotations: List<IrConstructorCall>): IrType =
-    addAnnotations(annotations.filterIsInstance<IrAnnotation>())
-
-// IrMutableAnnotationContainer.annotations setter: in 2.4.0, expects List<IrAnnotation>
-fun codeQlSetAnnotations(container: org.jetbrains.kotlin.ir.declarations.IrMutableAnnotationContainer, annotations: List<IrConstructorCall>) {
-    container.annotations = annotations.filterIsInstance<IrAnnotation>()
-}
-
-// IrFunction: set dispatch receiver parameter
-// In 2.4.0, dispatchReceiverParameter is val; modify the parameters list directly.
-fun IrFunction.codeQlSetDispatchReceiverParameter(param: IrValueParameter?) {
-    val existing = parameters.indexOfFirst { it.kind == org.jetbrains.kotlin.ir.declarations.IrParameterKind.DispatchReceiver }
-    val mutableParams = parameters.toMutableList()
-    if (existing >= 0) {
-        if (param != null) {
-            mutableParams[existing] = param
-        } else {
-            mutableParams.removeAt(existing)
-        }
-    } else if (param != null) {
-        param.kind = org.jetbrains.kotlin.ir.declarations.IrParameterKind.DispatchReceiver
-        mutableParams.add(0, param)
-    }
-    parameters = mutableParams
-}
-
-// In 2.4.0, annotation lists require IrAnnotation instances.
-// Use IrAnnotationImpl.fromSymbolOwner instead of IrConstructorCallImpl.fromSymbolOwner.
-fun codeQlAnnotationFromSymbolOwner(
-    startOffset: Int, endOffset: Int, type: IrType, symbol: IrConstructorSymbol, typeArgumentsCount: Int
-): IrConstructorCall =
-    IrAnnotationImpl.fromSymbolOwner(startOffset, endOffset, type, symbol, typeArgumentsCount)
-
-fun codeQlAnnotationFromSymbolOwner(type: IrType, symbol: IrConstructorSymbol): IrConstructorCall =
-    IrAnnotationImpl.fromSymbolOwner(type, symbol)
-

java/kotlin-extractor/src/main/kotlin/utils/versions/v_2_4_0/Kotlin2ComponentRegistrar.kt

@@ -1,45 +0,0 @@
-@file:Suppress("DEPRECATION", "DEPRECATION_ERROR")
-@file:OptIn(ExperimentalCompilerApi::class)
-
-package com.github.codeql
-
-import com.intellij.mock.MockProject
-import org.jetbrains.kotlin.backend.common.extensions.IrGenerationExtension
-import org.jetbrains.kotlin.compiler.plugin.ComponentRegistrar
-import org.jetbrains.kotlin.compiler.plugin.CompilerPluginRegistrar
-import org.jetbrains.kotlin.compiler.plugin.ExperimentalCompilerApi
-import org.jetbrains.kotlin.config.CompilerConfiguration
-
-abstract class Kotlin2ComponentRegistrar : CompilerPluginRegistrar(), ComponentRegistrar {
-    override val supportsK2: Boolean
-        get() = true
-
-    override val pluginId: String
-        get() = "kotlin-extractor"
-
-    // ComponentRegistrar implementation (legacy path, still called by Kotlin compiler)
-    override fun registerProjectComponents(
-        project: MockProject,
-        configuration: CompilerConfiguration
-    ) {
-        // In 2.4.0, we use CompilerPluginRegistrar path instead.
-        // This is only called if the compiler uses the ComponentRegistrar service file.
-        // We do nothing here since registerExtensions will be called separately.
-    }
-
-    private var extensionStorage: CompilerPluginRegistrar.ExtensionStorage? = null
-
-    override fun ExtensionStorage.registerExtensions(configuration: CompilerConfiguration) {
-        this@Kotlin2ComponentRegistrar.extensionStorage = this
-        doRegisterExtensions(configuration)
-    }
-
-    abstract fun doRegisterExtensions(configuration: CompilerConfiguration)
-
-    protected fun registerExtractorExtension(extension: IrGenerationExtension) {
-        val storage = extensionStorage ?: throw IllegalStateException("registerExtractorExtension called before registerExtensions")
-        with(storage) {
-            IrGenerationExtension.registerExtension(extension)
-        }
-    }
-}

java/kotlin-extractor/src/main/kotlin/utils/versions/v_2_4_0/parameterIndexExcludingReceivers.kt

@@ -1,13 +0,0 @@
-package com.github.codeql.utils.versions
-
-import org.jetbrains.kotlin.ir.declarations.IrFunction
-import org.jetbrains.kotlin.ir.declarations.IrParameterKind
-import org.jetbrains.kotlin.ir.declarations.IrValueParameter
-
-fun parameterIndexExcludingReceivers(vp: IrValueParameter): Int {
-    val offset =
-        (vp.parent as? IrFunction)?.let { f ->
-            f.parameters.count { it.kind == IrParameterKind.DispatchReceiver || it.kind == IrParameterKind.ExtensionReceiver || it.kind == IrParameterKind.Context }
-        } ?: 0
-    return vp.indexInParameters - offset
-}

java/kotlin-extractor/src/main/resources/META-INF/services/org.jetbrains.kotlin.compiler.plugin.CompilerPluginRegistrar

@@ -1 +0,0 @@
-com.github.codeql.KotlinExtractorComponentRegistrar

java/kotlin-extractor/versions.bzl

@@ -1,5 +1,8 @@
 # when updating this list, `bazel mod tidy` should be run from `codeql` to update `MODULE.bazel`
 VERSIONS = [
+    "1.8.0",
+    "1.9.0-Beta",
+    "1.9.20-Beta",
     "2.0.0-RC1",
     "2.0.20-Beta2",
     "2.1.0-Beta1",
@@ -8,7 +11,6 @@ VERSIONS = [
     "2.2.20-Beta2",
     "2.3.0",
     "2.3.20",
-    "2.4.0",
 ]
 
 def _version_to_tuple(v):

java/ql/integration-tests/kotlin/all-platforms/diagnostics/kotlin-version-too-new/diagnostics.expected

@@ -1,5 +1,5 @@
 {
-  "markdownMessage": "The Kotlin version installed (`999.999.999`) is too recent for this version of CodeQL. Install a version lower than 2.4.10.",
+  "markdownMessage": "The Kotlin version installed (`999.999.999`) is too recent for this version of CodeQL. Install a version lower than 2.3.30.",
   "severity": "error",
   "source": {
     "extractorName": "java",

java/ql/integration-tests/kotlin/all-platforms/enhanced-nullability/DB-CHECK.expected

@@ -1,3 +0,0 @@
-[VALUE_NOT_IN_TYPE] predicate callableBinding(@caller callerid, @callable callee): Value 44417 of field callee is not in type @callable. Appears in tuple (-16777158,44417)
-	Relevant element: callee=44417
-		Full ID for 44417: @"callable;(0).f((55))(55)". The ID may expand to @"callable;{@"class;Test"}.f({@"type;int"}){@"type;int"}"

java/ql/integration-tests/kotlin/all-platforms/enhanced-nullability/test.expected

@@ -2,9 +2,9 @@ exprs
 | Test.java:5:19:5:25 | Integer | Integer |
 | Test.java:5:38:5:44 | Integer | Integer |
 | Test.java:5:58:5:58 | p | Integer |
-| user.kt:2:3:2:16 | x | int |
+| user.kt:2:7:2:7 | x | int |
 | user.kt:2:11:2:11 | t | Test |
-| user.kt:2:11:2:16 | <Call to unknown method> | int |
+| user.kt:2:11:2:16 | f(...) | Integer |
 | user.kt:2:13:2:16 | <implicit not null> | int |
 | user.kt:2:13:2:16 | int | int |
 | user.kt:2:15:2:15 | 5 | int |

java/ql/integration-tests/kotlin/all-platforms/enhanced-nullability/test.py

@@ -6,6 +6,6 @@ def test(codeql, java_full):
     codeql.database.create(
         command=[
             f"javac {java_srcs} -d build",
-            "kotlinc -language-version 2.0 user.kt -cp build",
+            "kotlinc -language-version 1.9 user.kt -cp build",
         ]
     )

java/ql/integration-tests/kotlin/all-platforms/external-property-overloads/test.expected

@@ -1,2 +1,2 @@
-| user.kt:3:14:3:22 | getF(...) | file:///!unknown-binary-location/lib/TestKt.class:0:0:0:0 | getF |
-| user.kt:3:26:3:28 | getF(...) | file:///!unknown-binary-location/lib/TestKt.class:0:0:0:0 | getF |
+| user.kt:3:14:3:22 | getF(...) | lib/lib/TestKt.class:0:0:0:0 | getF |
+| user.kt:3:26:3:28 | getF(...) | lib/lib/TestKt.class:0:0:0:0 | getF |

java/ql/integration-tests/kotlin/all-platforms/external-property-overloads/test.py

@@ -2,5 +2,5 @@ import commands
 
 
 def test(codeql, java_full):
-    commands.run("kotlinc -language-version 2.0 test.kt -d lib")
-    codeql.database.create(command="kotlinc -language-version 2.0 user.kt -cp lib")
+    commands.run("kotlinc -language-version 1.9 test.kt -d lib")
+    codeql.database.create(command="kotlinc -language-version 1.9 user.kt -cp lib")

java/ql/integration-tests/kotlin/all-platforms/extractor_information_kotlin1/ExtractorInformation.expected

@@ -9,4 +9,4 @@
 | Percentage of calls with call target | 100 |
 | Total number of lines | 3 |
 | Total number of lines with extension kt | 3 |
-| Uses Kotlin 2: true | 1 |
+| Uses Kotlin 2: false | 1 |

java/ql/integration-tests/kotlin/all-platforms/extractor_information_kotlin1/test.py

@@ -1,2 +1,2 @@
 def test(codeql, java_full):
-    codeql.database.create(command="kotlinc -J-Xmx2G -language-version 2.0 SomeClass.kt")
+    codeql.database.create(command="kotlinc -J-Xmx2G -language-version 1.9 SomeClass.kt")

java/ql/integration-tests/kotlin/all-platforms/file_classes/classes.expected

@@ -1,2 +1,3 @@
+| AKt.class:0:0:0:0 | AKt | true |
 | B.kt:0:0:0:0 | BKt | true |
 | C.kt:1:1:3:1 | C | false |

java/ql/integration-tests/kotlin/all-platforms/file_classes/test.py

@@ -2,5 +2,5 @@ import commands
 
 
 def test(codeql, java_full):
-    commands.run("kotlinc -language-version 2.0 A.kt")
-    codeql.database.create(command="kotlinc -cp . -language-version 2.0 B.kt C.kt")
+    commands.run("kotlinc -language-version 1.9 A.kt")
+    codeql.database.create(command="kotlinc -cp . -language-version 1.9 B.kt C.kt")

java/ql/integration-tests/kotlin/all-platforms/java-interface-redeclares-tostring/test.expected

@@ -0,0 +1,4 @@
+| equals | Test |
+| hashCode | Test |
+| toString | Test |
+| toString | java.lang.CharSequence |

java/ql/integration-tests/kotlin/all-platforms/java-interface-redeclares-tostring/test.py

@@ -3,4 +3,4 @@ import commands
 
 def test(codeql, java_full):
     commands.run(["javac", "Test.java", "-d", "bin"])
-    codeql.database.create(command="kotlinc -language-version 2.0 user.kt -cp bin")
+    codeql.database.create(command="kotlinc -language-version 1.9 user.kt -cp bin")

java/ql/integration-tests/kotlin/all-platforms/kotlin_java_lowering_wildcards/DB-CHECK.expected

@@ -1,9 +0,0 @@
-[VALUE_NOT_IN_TYPE] predicate callableBinding(@caller callerid, @callable callee): Value 43828 of field callee is not in type @callable. Appears in tuple (-16776213,43828)
-	Relevant element: callee=43828
-		Full ID for 43828: @"callable;(0).takesComparable((35),(35))(36)". The ID may expand to @"callable;{@"class;JavaDefns"}.takesComparable({@"class;java.lang.Comparable;{@"wildcard;super{@"class;java.lang.CharSequence"}"}"},{@"class;java.lang.Comparable;{@"wildcard;super{@"class;java.lang.CharSequence"}"}"}){@"type;void"}"
-[VALUE_NOT_IN_TYPE] predicate callableBinding(@caller callerid, @callable callee): Value 43832 of field callee is not in type @callable. Appears in tuple (-16776208,43832)
-	Relevant element: callee=43832
-		Full ID for 43832: @"callable;(0).takesArrayOfComparable((54),(54))(36)". The ID may expand to @"callable;{@"class;JavaDefns"}.takesArrayOfComparable({@"array;1;{@"class;java.lang.Comparable;{@"wildcard;super(19)"}"}"},{@"array;1;{@"class;java.lang.Comparable;{@"wildcard;super(19)"}"}"}){@"type;void"}"
-[VALUE_NOT_IN_TYPE] predicate callableBinding(@caller callerid, @callable callee): Value 43837 of field callee is not in type @callable. Appears in tuple (-16776201,43837)
-	Relevant element: callee=43837
-		Full ID for 43837: @"callable;(0).<init>((35),(35))(36)". The ID may expand to @"callable;{@"class;JavaDefns"}.<init>({@"class;java.lang.Comparable;{@"wildcard;super{@"class;java.lang.CharSequence"}"}"},{@"class;java.lang.Comparable;{@"wildcard;super{@"class;java.lang.CharSequence"}"}"}){@"type;void"}"

java/ql/integration-tests/kotlin/all-platforms/kotlin_java_lowering_wildcards/test.expected

@@ -8,16 +8,16 @@
 | JavaDefns | takesComparable | invar | Comparable<CharSequence> |
 | JavaDefns | takesNestedComparable | innerContravar | Comparable<Comparable<? super CharSequence>> |
 | JavaDefns | takesNestedComparable | outerContravar | Comparable<? super Comparable<CharSequence>> |
-| JavaDefns2 | JavaDefns2 | p0 | Comparable<? super CharSequence> |
+| JavaDefns2 | JavaDefns2 | p0 | Comparable<CharSequence> |
 | JavaDefns2 | JavaDefns2 | p1 | Comparable<? super CharSequence> |
 | JavaDefns2 | returnsInvariant | return | Comparable<CharSequence> |
 | JavaDefns2 | returnsWildcard | return | Comparable<? super CharSequence> |
-| JavaDefns2 | takesArrayOfComparable | p0 | Comparable<? super CharSequence>[] |
+| JavaDefns2 | takesArrayOfComparable | p0 | Comparable<CharSequence>[] |
 | JavaDefns2 | takesArrayOfComparable | p1 | Comparable<? super CharSequence>[] |
-| JavaDefns2 | takesComparable | p0 | Comparable<? super CharSequence> |
+| JavaDefns2 | takesComparable | p0 | Comparable<CharSequence> |
 | JavaDefns2 | takesComparable | p1 | Comparable<? super CharSequence> |
-| JavaDefns2 | takesNestedComparable | p0 | Comparable<? super Comparable<? super CharSequence>> |
-| JavaDefns2 | takesNestedComparable | p1 | Comparable<? super Comparable<? super CharSequence>> |
+| JavaDefns2 | takesNestedComparable | p0 | Comparable<Comparable<? super CharSequence>> |
+| JavaDefns2 | takesNestedComparable | p1 | Comparable<? super Comparable<CharSequence>> |
 | KotlinDefns | returnsContravar | return | Comparable<CharSequence> |
 | KotlinDefns | returnsContravarForced | return | Comparable<? super CharSequence> |
 | KotlinDefns | returnsCovar | return | List<CharSequence> |

java/ql/integration-tests/kotlin/all-platforms/kotlin_java_lowering_wildcards/test.py

@@ -8,6 +8,6 @@ def test(codeql, java_full):
         command=[
             "kotlinc kotlindefns.kt",
             "javac JavaUser.java JavaDefns.java -cp .",
-            "kotlinc -language-version 2.0 -cp . kotlinuser.kt",
+            "kotlinc -language-version 1.9 -cp . kotlinuser.kt",
         ]
     )

java/ql/lib/change-notes/2026-06-04-kotlin-2.4.0.md

@@ -1,4 +0,0 @@
----
-category: feature
----
-* Kotlin 2.4.0 can now be analysed.

java/ql/lib/change-notes/2026-06-08-kotlin-drop-1x.md

@@ -1,4 +0,0 @@
----
-category: deprecated
----
-* Kotlin versions below 2.0.0 are no longer supported for analysis. The minimum supported version is now Kotlin 2.0.0.

java/ql/lib/semmle/code/java/dataflow/Bound.qll

@@ -4,67 +4,33 @@
 overlay[local?]
 module;
 
-private import internal.rangeanalysis.BoundSpecific
+private import java as J
+private import semmle.code.java.dataflow.SSA
+private import semmle.code.java.dataflow.RangeUtils as RU
+private import codeql.rangeanalysis.Bound as SharedBound
 
-private newtype TBound =
-  TBoundZero() or
-  TBoundSsa(SsaVariable v) { v.getSourceVariable().getType() instanceof IntegralType } or
-  TBoundExpr(Expr e) {
-    interestingExprBound(e) and
-    not exists(SsaVariable v | e = v.getAUse())
+private module BoundDefs implements SharedBound::BoundDefinitions<J::Location> {
+  class SsaVariable extends Ssa::SsaDefinition {
+    /** Gets a use of this variable. */
+    Expr getAUse() { result = super.getARead() }
   }
 
-/**
- * A bound that may be inferred for an expression plus/minus an integer delta.
- */
-abstract class Bound extends TBound {
-  /** Gets a textual representation of this bound. */
-  abstract string toString();
+  class SsaSourceVariable = Ssa::SourceVariable;
 
-  /** Gets an expression that equals this bound plus `delta`. */
-  abstract Expr getExpr(int delta);
+  class Type = J::Type;
 
-  /** Gets an expression that equals this bound. */
-  Expr getExpr() { result = this.getExpr(0) }
+  class Expr = J::Expr;
 
-  /** Gets the location of this bound. */
-  abstract Location getLocation();
+  class IntegralType = J::IntegralType;
+
+  class ConstantIntegerExpr = RU::ConstantIntegerExpr;
+
+  /** Holds if `e` is a bound expression and it is not an SSA variable read. */
+  predicate interestingExprBound(Expr e) {
+    e.(J::FieldRead).getField() instanceof J::ArrayLengthField
+  }
 }
 
-/**
- * The bound that corresponds to the integer 0. This is used to represent all
- * integer bounds as bounds are always accompanied by an added integer delta.
- */
-class ZeroBound extends Bound, TBoundZero {
-  override string toString() { result = "0" }
+module BoundImpl = SharedBound::Bound<J::Location, BoundDefs>;
 
-  override Expr getExpr(int delta) { result.(ConstantIntegerExpr).getIntValue() = delta }
-
-  override Location getLocation() { result.hasLocationInfo("", 0, 0, 0, 0) }
-}
-
-/**
- * A bound corresponding to the value of an SSA variable.
- */
-class SsaBound extends Bound, TBoundSsa {
-  /** Gets the SSA variable that equals this bound. */
-  SsaVariable getSsa() { this = TBoundSsa(result) }
-
-  override string toString() { result = this.getSsa().toString() }
-
-  override Expr getExpr(int delta) { result = this.getSsa().getAUse() and delta = 0 }
-
-  override Location getLocation() { result = this.getSsa().getLocation() }
-}
-
-/**
- * A bound that corresponds to the value of a specific expression that might be
- * interesting, but isn't otherwise represented by the value of an SSA variable.
- */
-class ExprBound extends Bound, TBoundExpr {
-  override string toString() { result = this.getExpr().toString() }
-
-  override Expr getExpr(int delta) { this = TBoundExpr(result) and delta = 0 }
-
-  override Location getLocation() { result = this.getExpr().getLocation() }
-}
+import BoundImpl

java/ql/lib/semmle/code/java/dataflow/internal/rangeanalysis/BoundSpecific.qll

@@ -1,27 +0,0 @@
-/**
- * Provides Java-specific definitions for bounds.
- */
-overlay[local?]
-module;
-
-private import java as J
-private import semmle.code.java.dataflow.SSA as Ssa
-private import semmle.code.java.dataflow.RangeUtils as RU
-
-class SsaVariable extends Ssa::SsaDefinition {
-  /** Gets a use of this variable. */
-  Expr getAUse() { result = super.getARead() }
-}
-
-class Expr = J::Expr;
-
-class Location = J::Location;
-
-class IntegralType = J::IntegralType;
-
-class ConstantIntegerExpr = RU::ConstantIntegerExpr;
-
-/** Holds if `e` is a bound expression and it is not an SSA variable read. */
-predicate interestingExprBound(Expr e) {
-  e.(J::FieldRead).getField() instanceof J::ArrayLengthField
-}

java/ql/test/library-tests/pathsanitizer/DB-CHECK.expected

@@ -1,16 +0,0 @@
-[VALUE_NOT_IN_TYPE] predicate callableBinding(@caller callerid, @callable callee): Value 79083 of field callee is not in type @callable. Appears in tuple (-16776495,79083)
-	Relevant element: callee=79083
-		Full ID for 79083: @"callable;(21913).toString()(64)". The ID may expand to @"callable;{@"class;java.nio.file.Path"}.toString(){@"class;java.lang.String"}"
-[VALUE_NOT_IN_TYPE] predicate callableBinding(@caller callerid, @callable callee): Value 79083 of field callee is not in type @callable. Appears in tuple (-16776429,79083)
-	Relevant element: callee=79083
-		Full ID for 79083: @"callable;(21913).toString()(64)". The ID may expand to @"callable;{@"class;java.nio.file.Path"}.toString(){@"class;java.lang.String"}"
-[VALUE_NOT_IN_TYPE] predicate callableBinding(@caller callerid, @callable callee): Value 79083 of field callee is not in type @callable. Appears in tuple (-16776357,79083)
-	Relevant element: callee=79083
-		Full ID for 79083: @"callable;(21913).toString()(64)". The ID may expand to @"callable;{@"class;java.nio.file.Path"}.toString(){@"class;java.lang.String"}"
-[VALUE_NOT_IN_TYPE] predicate callableBinding(@caller callerid, @callable callee): Value 79083 of field callee is not in type @callable. Appears in tuple (-16776266,79083)
-	Relevant element: callee=79083
-		Full ID for 79083: @"callable;(21913).toString()(64)". The ID may expand to @"callable;{@"class;java.nio.file.Path"}.toString(){@"class;java.lang.String"}"
-[VALUE_NOT_IN_TYPE] predicate callableBinding(@caller callerid, @callable callee): Value 79083 of field callee is not in type @callable. Appears in tuple (-16776200,79083)
-	Relevant element: callee=79083
-		Full ID for 79083: @"callable;(21913).toString()(64)". The ID may expand to @"callable;{@"class;java.nio.file.Path"}.toString(){@"class;java.lang.String"}"
-[VALUE_NOT_IN_TYPE] predicate callableBinding(@caller callerid, @callable callee): More errors, not displayed. There are 16 values of field callee that are not in type @callable for a relation of size 1821

java/ql/test/library-tests/pathsanitizer/test.expected

@@ -1,31 +0,0 @@
-| Test.java:137:22:137:27 | source | Unexpected result: hasTaintFlow |
-| Test.java:141:35:141:51 | // $ hasTaintFlow | Missing result: hasTaintFlow |
-| Test.java:148:22:148:27 | source | Unexpected result: hasTaintFlow |
-| Test.java:152:35:152:51 | // $ hasTaintFlow | Missing result: hasTaintFlow |
-| Test.java:159:22:159:27 | source | Unexpected result: hasTaintFlow |
-| Test.java:163:35:163:51 | // $ hasTaintFlow | Missing result: hasTaintFlow |
-| Test.java:178:35:178:51 | // $ hasTaintFlow | Missing result: hasTaintFlow |
-| Test.java:181:35:181:51 | // $ hasTaintFlow | Missing result: hasTaintFlow |
-| Test.java:189:35:189:51 | // $ hasTaintFlow | Missing result: hasTaintFlow |
-| Test.java:192:35:192:51 | // $ hasTaintFlow | Missing result: hasTaintFlow |
-| Test.java:200:35:200:51 | // $ hasTaintFlow | Missing result: hasTaintFlow |
-| Test.java:203:35:203:51 | // $ hasTaintFlow | Missing result: hasTaintFlow |
-| Test.java:362:22:362:27 | source | Unexpected result: hasTaintFlow |
-| Test.java:366:35:366:51 | // $ hasTaintFlow | Missing result: hasTaintFlow |
-| Test.java:373:22:373:27 | source | Unexpected result: hasTaintFlow |
-| Test.java:377:35:377:51 | // $ hasTaintFlow | Missing result: hasTaintFlow |
-| Test.java:384:22:384:27 | source | Unexpected result: hasTaintFlow |
-| Test.java:388:35:388:51 | // $ hasTaintFlow | Missing result: hasTaintFlow |
-| Test.java:402:22:402:27 | source | Unexpected result: hasTaintFlow |
-| Test.java:406:35:406:51 | // $ hasTaintFlow | Missing result: hasTaintFlow |
-| Test.java:413:22:413:27 | source | Unexpected result: hasTaintFlow |
-| Test.java:417:35:417:51 | // $ hasTaintFlow | Missing result: hasTaintFlow |
-| Test.java:424:22:424:27 | source | Unexpected result: hasTaintFlow |
-| Test.java:428:35:428:51 | // $ hasTaintFlow | Missing result: hasTaintFlow |
-| Test.java:436:22:436:27 | source | Unexpected result: hasTaintFlow |
-| Test.java:440:35:440:51 | // $ hasTaintFlow | Missing result: hasTaintFlow |
-| Test.java:447:22:447:27 | source | Unexpected result: hasTaintFlow |
-| Test.java:451:35:451:51 | // $ hasTaintFlow | Missing result: hasTaintFlow |
-| Test.java:458:22:458:27 | source | Unexpected result: hasTaintFlow |
-| Test.java:462:35:462:51 | // $ hasTaintFlow | Missing result: hasTaintFlow |
-| Test.java:604:31:604:47 | // $ hasTaintFlow | Missing result: hasTaintFlow |

java/ql/test/query-tests/security/CWE-312/android/CleartextStorage/CleartextStorageSharedPrefsTest.expected

@@ -1 +0,0 @@
-| CleartextStorageSharedPrefsTest.java:110:84:110:118 | // $ hasCleartextStorageSharedPrefs | Missing result: hasCleartextStorageSharedPrefs |

java/ql/test/query-tests/security/CWE-312/android/CleartextStorage/DB-CHECK.expected

@@ -1,6 +0,0 @@
-[VALUE_NOT_IN_TYPE] predicate callableBinding(@caller callerid, @callable callee): Value 80453 of field callee is not in type @callable. Appears in tuple (-16773210,80453)
-	Relevant element: callee=80453
-		Full ID for 80453: @"callable;(846).toString()(21)". The ID may expand to @"callable;{@"class;java.lang.CharSequence"}.toString(){@"class;java.lang.String"}"
-[VALUE_NOT_IN_TYPE] predicate callableBinding(@caller callerid, @callable callee): Value 80453 of field callee is not in type @callable. Appears in tuple (-16773194,80453)
-	Relevant element: callee=80453
-		Full ID for 80453: @"callable;(846).toString()(21)". The ID may expand to @"callable;{@"class;java.lang.CharSequence"}.toString(){@"class;java.lang.String"}"

shared/rangeanalysis/codeql/rangeanalysis/Bound.qll

@@ -0,0 +1,111 @@
+/**
+ * Provides classes for representing abstract bounds for use in, for example, range analysis.
+ */
+overlay[local?]
+module;
+
+private import codeql.util.Location
+
+signature module BoundDefinitions<LocationSig Location> {
+  class Type;
+
+  class IntegralType extends Type;
+
+  class ConstantIntegerExpr extends Expr {
+    int getIntValue();
+  }
+
+  class SsaSourceVariable {
+    Type getType();
+  }
+
+  class SsaVariable {
+    SsaSourceVariable getSourceVariable();
+
+    string toString();
+
+    Location getLocation();
+
+    Expr getAUse();
+  }
+
+  class Expr {
+    string toString();
+
+    Location getLocation();
+  }
+
+  predicate interestingExprBound(Expr e);
+}
+
+/**
+ * Provides classes for representing abstract bounds for use in, for example, range analysis.
+ * This is a generic implementation of bounds that relies on language specific modules to provide language-specific definitions of expressions, SSA variables, etc.
+ */
+overlay[local?]
+module Bound<LocationSig Location, BoundDefinitions<Location> Defs> {
+  private import Defs
+
+  private newtype TBound =
+    TBoundZero() or
+    TBoundSsa(SsaVariable v) { v.getSourceVariable().getType() instanceof IntegralType } or
+    TBoundExpr(Expr e) {
+      interestingExprBound(e) and
+      not exists(SsaVariable v | e = v.getAUse())
+    }
+
+  /**
+   * A bound that may be inferred for an expression plus/minus an integer delta.
+   */
+  abstract class Bound extends TBound {
+    /** Gets a textual representation of this bound. */
+    abstract string toString();
+
+    /** Gets an expression that equals this bound plus `delta`. */
+    abstract Expr getExpr(int delta);
+
+    /** Gets an expression that equals this bound. */
+    Expr getExpr() { result = this.getExpr(0) }
+
+    /** Gets the location of this bound. */
+    abstract Location getLocation();
+  }
+
+  /**
+   * The bound that corresponds to the integer 0. This is used to represent all
+   * integer bounds as bounds are always accompanied by an added integer delta.
+   */
+  class ZeroBound extends Bound, TBoundZero {
+    override string toString() { result = "0" }
+
+    override Expr getExpr(int delta) { result.(ConstantIntegerExpr).getIntValue() = delta }
+
+    override Location getLocation() { result.hasLocationInfo("", 0, 0, 0, 0) }
+  }
+
+  /**
+   * A bound corresponding to the value of an SSA variable.
+   */
+  class SsaBound extends Bound, TBoundSsa {
+    /** Gets the SSA variable that equals this bound. */
+    SsaVariable getSsa() { this = TBoundSsa(result) }
+
+    override string toString() { result = this.getSsa().toString() }
+
+    override Expr getExpr(int delta) { result = this.getSsa().getAUse() and delta = 0 }
+
+    override Location getLocation() { result = this.getSsa().getLocation() }
+  }
+
+  /**
+   * A bound that corresponds to the value of a specific expression that might be
+   * interesting, but isn't otherwise represented by the value of an SSA variable.
+   */
+  class ExprBound extends Bound, TBoundExpr {
+    override string toString() { result = this.getExpr().toString() }
+
+    override Expr getExpr(int delta) { this = TBoundExpr(result) and delta = 0 }
+
+    override Location getLocation() { result = this.getExpr().getLocation() }
+  }
+}