Merge branch 'main' into javascript/ssrf

.codeqlmanifest.json

@@ -1,4 +1,5 @@
 { "provide": [ "*/ql/src/qlpack.yml",
+               "*/ql/lib/qlpack.yml",
                "*/ql/test/qlpack.yml",
                "cpp/ql/test/query-tests/Security/CWE/CWE-190/semmle/tainted/qlpack.yml",
                "*/ql/examples/qlpack.yml",

.gitattributes

@@ -48,3 +48,6 @@
 *.gif -text
 *.dll -text
 *.pdb -text
+
+java/ql/test/stubs/**/*.java linguist-generated=true
+java/ql/test/experimental/stubs/**/*.java linguist-generated=true

.github/workflows/codeql-analysis.yml

@@ -11,6 +11,8 @@ on:
       - 'rc/*'
     paths:
       - 'csharp/**'
+      - '.github/codeql/**'
+      - '.github/workflows/codeql-analysis.yml'
   schedule:
     - cron: '0 9 * * 1'
 
@@ -38,8 +40,8 @@ jobs:
 
     # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
     # If this step fails, then you should remove it and run the build manually (see below)
-    - name: Autobuild
-      uses: github/codeql-action/autobuild@main
+    #- name: Autobuild
+    #  uses: github/codeql-action/autobuild@main
 
     # ℹ️ Command-line programs to run using the OS shell.
     # 📚 https://git.io/JvXDl
@@ -48,9 +50,8 @@ jobs:
     #    and modify them (or add more) to build your code if your project
     #    uses a compiled language
 
-    #- run: |
-    #   make bootstrap
-    #   make release
+    - run: |
+       dotnet build csharp
 
     - name: Perform CodeQL Analysis
       uses: github/codeql-action/analyze@main

.github/workflows/csv-coverage-update.yml

@@ -8,7 +8,7 @@ on:
 jobs:
   update:
     name: Update framework coverage report
-    if: github.event.repository.fork == false
+    if: github.repository == 'github/codeql'
     runs-on: ubuntu-latest
 
     steps:

config/identical-files.json

@@ -1,333 +1,333 @@
 {
   "DataFlow Java/C++/C#/Python": [
-    "java/ql/src/semmle/code/java/dataflow/internal/DataFlowImpl.qll",
-    "java/ql/src/semmle/code/java/dataflow/internal/DataFlowImpl2.qll",
-    "java/ql/src/semmle/code/java/dataflow/internal/DataFlowImpl3.qll",
-    "java/ql/src/semmle/code/java/dataflow/internal/DataFlowImpl4.qll",
-    "java/ql/src/semmle/code/java/dataflow/internal/DataFlowImpl5.qll",
-    "java/ql/src/semmle/code/java/dataflow/internal/DataFlowImpl6.qll",
-    "java/ql/src/semmle/code/java/dataflow/internal/DataFlowImplForSerializability.qll",
-    "cpp/ql/src/semmle/code/cpp/dataflow/internal/DataFlowImpl.qll",
-    "cpp/ql/src/semmle/code/cpp/dataflow/internal/DataFlowImpl2.qll",
-    "cpp/ql/src/semmle/code/cpp/dataflow/internal/DataFlowImpl3.qll",
-    "cpp/ql/src/semmle/code/cpp/dataflow/internal/DataFlowImpl4.qll",
-    "cpp/ql/src/semmle/code/cpp/dataflow/internal/DataFlowImplLocal.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/dataflow/internal/DataFlowImpl.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/dataflow/internal/DataFlowImpl2.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/dataflow/internal/DataFlowImpl3.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/dataflow/internal/DataFlowImpl4.qll",
-    "csharp/ql/src/semmle/code/csharp/dataflow/internal/DataFlowImpl.qll",
-    "csharp/ql/src/semmle/code/csharp/dataflow/internal/DataFlowImpl2.qll",
-    "csharp/ql/src/semmle/code/csharp/dataflow/internal/DataFlowImpl3.qll",
-    "csharp/ql/src/semmle/code/csharp/dataflow/internal/DataFlowImpl4.qll",
-    "csharp/ql/src/semmle/code/csharp/dataflow/internal/DataFlowImpl5.qll",
-    "python/ql/src/semmle/python/dataflow/new/internal/DataFlowImpl.qll",
-    "python/ql/src/semmle/python/dataflow/new/internal/DataFlowImpl2.qll",
-    "python/ql/src/semmle/python/dataflow/new/internal/DataFlowImpl3.qll",
-    "python/ql/src/semmle/python/dataflow/new/internal/DataFlowImpl4.qll"
+    "java/ql/lib/semmle/code/java/dataflow/internal/DataFlowImpl.qll",
+    "java/ql/lib/semmle/code/java/dataflow/internal/DataFlowImpl2.qll",
+    "java/ql/lib/semmle/code/java/dataflow/internal/DataFlowImpl3.qll",
+    "java/ql/lib/semmle/code/java/dataflow/internal/DataFlowImpl4.qll",
+    "java/ql/lib/semmle/code/java/dataflow/internal/DataFlowImpl5.qll",
+    "java/ql/lib/semmle/code/java/dataflow/internal/DataFlowImpl6.qll",
+    "java/ql/lib/semmle/code/java/dataflow/internal/DataFlowImplForSerializability.qll",
+    "cpp/ql/lib/semmle/code/cpp/dataflow/internal/DataFlowImpl.qll",
+    "cpp/ql/lib/semmle/code/cpp/dataflow/internal/DataFlowImpl2.qll",
+    "cpp/ql/lib/semmle/code/cpp/dataflow/internal/DataFlowImpl3.qll",
+    "cpp/ql/lib/semmle/code/cpp/dataflow/internal/DataFlowImpl4.qll",
+    "cpp/ql/lib/semmle/code/cpp/dataflow/internal/DataFlowImplLocal.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/dataflow/internal/DataFlowImpl.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/dataflow/internal/DataFlowImpl2.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/dataflow/internal/DataFlowImpl3.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/dataflow/internal/DataFlowImpl4.qll",
+    "csharp/ql/lib/semmle/code/csharp/dataflow/internal/DataFlowImpl.qll",
+    "csharp/ql/lib/semmle/code/csharp/dataflow/internal/DataFlowImpl2.qll",
+    "csharp/ql/lib/semmle/code/csharp/dataflow/internal/DataFlowImpl3.qll",
+    "csharp/ql/lib/semmle/code/csharp/dataflow/internal/DataFlowImpl4.qll",
+    "csharp/ql/lib/semmle/code/csharp/dataflow/internal/DataFlowImpl5.qll",
+    "python/ql/lib/semmle/python/dataflow/new/internal/DataFlowImpl.qll",
+    "python/ql/lib/semmle/python/dataflow/new/internal/DataFlowImpl2.qll",
+    "python/ql/lib/semmle/python/dataflow/new/internal/DataFlowImpl3.qll",
+    "python/ql/lib/semmle/python/dataflow/new/internal/DataFlowImpl4.qll"
   ],
   "DataFlow Java/C++/C#/Python Common": [
-    "java/ql/src/semmle/code/java/dataflow/internal/DataFlowImplCommon.qll",
-    "cpp/ql/src/semmle/code/cpp/dataflow/internal/DataFlowImplCommon.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/dataflow/internal/DataFlowImplCommon.qll",
-    "csharp/ql/src/semmle/code/csharp/dataflow/internal/DataFlowImplCommon.qll",
-    "python/ql/src/semmle/python/dataflow/new/internal/DataFlowImplCommon.qll"
+    "java/ql/lib/semmle/code/java/dataflow/internal/DataFlowImplCommon.qll",
+    "cpp/ql/lib/semmle/code/cpp/dataflow/internal/DataFlowImplCommon.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/dataflow/internal/DataFlowImplCommon.qll",
+    "csharp/ql/lib/semmle/code/csharp/dataflow/internal/DataFlowImplCommon.qll",
+    "python/ql/lib/semmle/python/dataflow/new/internal/DataFlowImplCommon.qll"
   ],
   "TaintTracking::Configuration Java/C++/C#/Python": [
-    "cpp/ql/src/semmle/code/cpp/dataflow/internal/tainttracking1/TaintTrackingImpl.qll",
-    "cpp/ql/src/semmle/code/cpp/dataflow/internal/tainttracking2/TaintTrackingImpl.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/dataflow/internal/tainttracking1/TaintTrackingImpl.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/dataflow/internal/tainttracking2/TaintTrackingImpl.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/dataflow/internal/tainttracking3/TaintTrackingImpl.qll",
-    "csharp/ql/src/semmle/code/csharp/dataflow/internal/tainttracking1/TaintTrackingImpl.qll",
-    "csharp/ql/src/semmle/code/csharp/dataflow/internal/tainttracking2/TaintTrackingImpl.qll",
-    "csharp/ql/src/semmle/code/csharp/dataflow/internal/tainttracking3/TaintTrackingImpl.qll",
-    "csharp/ql/src/semmle/code/csharp/dataflow/internal/tainttracking4/TaintTrackingImpl.qll",
-    "csharp/ql/src/semmle/code/csharp/dataflow/internal/tainttracking5/TaintTrackingImpl.qll",
-    "java/ql/src/semmle/code/java/dataflow/internal/tainttracking1/TaintTrackingImpl.qll",
-    "java/ql/src/semmle/code/java/dataflow/internal/tainttracking2/TaintTrackingImpl.qll",
-    "python/ql/src/semmle/python/dataflow/new/internal/tainttracking1/TaintTrackingImpl.qll",
-    "python/ql/src/semmle/python/dataflow/new/internal/tainttracking2/TaintTrackingImpl.qll",
-    "python/ql/src/semmle/python/dataflow/new/internal/tainttracking3/TaintTrackingImpl.qll",
-    "python/ql/src/semmle/python/dataflow/new/internal/tainttracking4/TaintTrackingImpl.qll"
+    "cpp/ql/lib/semmle/code/cpp/dataflow/internal/tainttracking1/TaintTrackingImpl.qll",
+    "cpp/ql/lib/semmle/code/cpp/dataflow/internal/tainttracking2/TaintTrackingImpl.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/dataflow/internal/tainttracking1/TaintTrackingImpl.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/dataflow/internal/tainttracking2/TaintTrackingImpl.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/dataflow/internal/tainttracking3/TaintTrackingImpl.qll",
+    "csharp/ql/lib/semmle/code/csharp/dataflow/internal/tainttracking1/TaintTrackingImpl.qll",
+    "csharp/ql/lib/semmle/code/csharp/dataflow/internal/tainttracking2/TaintTrackingImpl.qll",
+    "csharp/ql/lib/semmle/code/csharp/dataflow/internal/tainttracking3/TaintTrackingImpl.qll",
+    "csharp/ql/lib/semmle/code/csharp/dataflow/internal/tainttracking4/TaintTrackingImpl.qll",
+    "csharp/ql/lib/semmle/code/csharp/dataflow/internal/tainttracking5/TaintTrackingImpl.qll",
+    "java/ql/lib/semmle/code/java/dataflow/internal/tainttracking1/TaintTrackingImpl.qll",
+    "java/ql/lib/semmle/code/java/dataflow/internal/tainttracking2/TaintTrackingImpl.qll",
+    "python/ql/lib/semmle/python/dataflow/new/internal/tainttracking1/TaintTrackingImpl.qll",
+    "python/ql/lib/semmle/python/dataflow/new/internal/tainttracking2/TaintTrackingImpl.qll",
+    "python/ql/lib/semmle/python/dataflow/new/internal/tainttracking3/TaintTrackingImpl.qll",
+    "python/ql/lib/semmle/python/dataflow/new/internal/tainttracking4/TaintTrackingImpl.qll"
   ],
   "DataFlow Java/C++/C#/Python Consistency checks": [
-    "java/ql/src/semmle/code/java/dataflow/internal/DataFlowImplConsistency.qll",
-    "cpp/ql/src/semmle/code/cpp/dataflow/internal/DataFlowImplConsistency.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/dataflow/internal/DataFlowImplConsistency.qll",
-    "csharp/ql/src/semmle/code/csharp/dataflow/internal/DataFlowImplConsistency.qll",
-    "python/ql/src/semmle/python/dataflow/new/internal/DataFlowImplConsistency.qll"
+    "java/ql/lib/semmle/code/java/dataflow/internal/DataFlowImplConsistency.qll",
+    "cpp/ql/lib/semmle/code/cpp/dataflow/internal/DataFlowImplConsistency.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/dataflow/internal/DataFlowImplConsistency.qll",
+    "csharp/ql/lib/semmle/code/csharp/dataflow/internal/DataFlowImplConsistency.qll",
+    "python/ql/lib/semmle/python/dataflow/new/internal/DataFlowImplConsistency.qll"
   ],
   "DataFlow Java/C# Flow Summaries": [
-    "java/ql/src/semmle/code/java/dataflow/internal/FlowSummaryImpl.qll",
-    "csharp/ql/src/semmle/code/csharp/dataflow/internal/FlowSummaryImpl.qll"
+    "java/ql/lib/semmle/code/java/dataflow/internal/FlowSummaryImpl.qll",
+    "csharp/ql/lib/semmle/code/csharp/dataflow/internal/FlowSummaryImpl.qll"
   ],
   "SsaReadPosition Java/C#": [
-    "java/ql/src/semmle/code/java/dataflow/internal/rangeanalysis/SsaReadPositionCommon.qll",
-    "csharp/ql/src/semmle/code/csharp/dataflow/internal/rangeanalysis/SsaReadPositionCommon.qll"
+    "java/ql/lib/semmle/code/java/dataflow/internal/rangeanalysis/SsaReadPositionCommon.qll",
+    "csharp/ql/lib/semmle/code/csharp/dataflow/internal/rangeanalysis/SsaReadPositionCommon.qll"
   ],
   "Sign Java/C#": [
-    "java/ql/src/semmle/code/java/dataflow/internal/rangeanalysis/Sign.qll",
-    "csharp/ql/src/semmle/code/csharp/dataflow/internal/rangeanalysis/Sign.qll"
+    "java/ql/lib/semmle/code/java/dataflow/internal/rangeanalysis/Sign.qll",
+    "csharp/ql/lib/semmle/code/csharp/dataflow/internal/rangeanalysis/Sign.qll"
   ],
   "SignAnalysis Java/C#": [
-    "java/ql/src/semmle/code/java/dataflow/internal/rangeanalysis/SignAnalysisCommon.qll",
-    "csharp/ql/src/semmle/code/csharp/dataflow/internal/rangeanalysis/SignAnalysisCommon.qll"
+    "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/src/semmle/code/java/dataflow/Bound.qll",
-    "csharp/ql/src/semmle/code/csharp/dataflow/Bound.qll"
+    "java/ql/lib/semmle/code/java/dataflow/Bound.qll",
+    "csharp/ql/lib/semmle/code/csharp/dataflow/Bound.qll"
   ],
   "ModulusAnalysis Java/C#": [
-    "java/ql/src/semmle/code/java/dataflow/ModulusAnalysis.qll",
-    "csharp/ql/src/semmle/code/csharp/dataflow/ModulusAnalysis.qll"
+    "java/ql/lib/semmle/code/java/dataflow/ModulusAnalysis.qll",
+    "csharp/ql/lib/semmle/code/csharp/dataflow/ModulusAnalysis.qll"
   ],
   "C++ SubBasicBlocks": [
-    "cpp/ql/src/semmle/code/cpp/controlflow/SubBasicBlocks.qll",
-    "cpp/ql/src/semmle/code/cpp/dataflow/internal/SubBasicBlocks.qll"
+    "cpp/ql/lib/semmle/code/cpp/controlflow/SubBasicBlocks.qll",
+    "cpp/ql/lib/semmle/code/cpp/dataflow/internal/SubBasicBlocks.qll"
   ],
   "IR Instruction": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/Instruction.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/Instruction.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/Instruction.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/Instruction.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/unaliased_ssa/Instruction.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/aliased_ssa/Instruction.qll",
     "csharp/ql/src/experimental/ir/implementation/raw/Instruction.qll",
     "csharp/ql/src/experimental/ir/implementation/unaliased_ssa/Instruction.qll"
   ],
   "IR IRBlock": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/IRBlock.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/IRBlock.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/IRBlock.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/IRBlock.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/unaliased_ssa/IRBlock.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/aliased_ssa/IRBlock.qll",
     "csharp/ql/src/experimental/ir/implementation/raw/IRBlock.qll",
     "csharp/ql/src/experimental/ir/implementation/unaliased_ssa/IRBlock.qll"
   ],
   "IR IRVariable": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/IRVariable.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/IRVariable.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/IRVariable.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/IRVariable.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/unaliased_ssa/IRVariable.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/aliased_ssa/IRVariable.qll",
     "csharp/ql/src/experimental/ir/implementation/raw/IRVariable.qll",
     "csharp/ql/src/experimental/ir/implementation/unaliased_ssa/IRVariable.qll"
   ],
   "IR IRFunction": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/IRFunction.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/IRFunction.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/IRFunction.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/IRFunction.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/unaliased_ssa/IRFunction.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/aliased_ssa/IRFunction.qll",
     "csharp/ql/src/experimental/ir/implementation/raw/IRFunction.qll",
     "csharp/ql/src/experimental/ir/implementation/unaliased_ssa/IRFunction.qll"
   ],
   "IR Operand": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/Operand.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/Operand.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/Operand.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/Operand.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/unaliased_ssa/Operand.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/aliased_ssa/Operand.qll",
     "csharp/ql/src/experimental/ir/implementation/raw/Operand.qll",
     "csharp/ql/src/experimental/ir/implementation/unaliased_ssa/Operand.qll"
   ],
   "IR IRType": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/IRType.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/IRType.qll",
     "csharp/ql/src/experimental/ir/implementation/IRType.qll"
   ],
   "IR IRConfiguration": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/IRConfiguration.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/IRConfiguration.qll",
     "csharp/ql/src/experimental/ir/implementation/IRConfiguration.qll"
   ],
   "IR UseSoundEscapeAnalysis": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/UseSoundEscapeAnalysis.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/UseSoundEscapeAnalysis.qll",
     "csharp/ql/src/experimental/ir/implementation/UseSoundEscapeAnalysis.qll"
   ],
   "IR IRFunctionBase": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/internal/IRFunctionBase.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/internal/IRFunctionBase.qll",
     "csharp/ql/src/experimental/ir/implementation/internal/IRFunctionBase.qll"
   ],
   "IR Operand Tag": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/internal/OperandTag.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/internal/OperandTag.qll",
     "csharp/ql/src/experimental/ir/implementation/internal/OperandTag.qll"
   ],
   "IR TInstruction": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/internal/TInstruction.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/internal/TInstruction.qll",
     "csharp/ql/src/experimental/ir/implementation/internal/TInstruction.qll"
   ],
   "IR TIRVariable": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/internal/TIRVariable.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/internal/TIRVariable.qll",
     "csharp/ql/src/experimental/ir/implementation/internal/TIRVariable.qll"
   ],
   "IR IR": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/IR.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/IR.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/IR.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/IR.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/unaliased_ssa/IR.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/aliased_ssa/IR.qll",
     "csharp/ql/src/experimental/ir/implementation/raw/IR.qll",
     "csharp/ql/src/experimental/ir/implementation/unaliased_ssa/IR.qll"
   ],
   "IR IRConsistency": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/IRConsistency.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/IRConsistency.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/IRConsistency.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/IRConsistency.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/unaliased_ssa/IRConsistency.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/aliased_ssa/IRConsistency.qll",
     "csharp/ql/src/experimental/ir/implementation/raw/IRConsistency.qll",
     "csharp/ql/src/experimental/ir/implementation/unaliased_ssa/IRConsistency.qll"
   ],
   "IR PrintIR": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/PrintIR.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/PrintIR.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/PrintIR.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/PrintIR.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/unaliased_ssa/PrintIR.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/aliased_ssa/PrintIR.qll",
     "csharp/ql/src/experimental/ir/implementation/raw/PrintIR.qll",
     "csharp/ql/src/experimental/ir/implementation/unaliased_ssa/PrintIR.qll"
   ],
   "IR IntegerConstant": [
-    "cpp/ql/src/semmle/code/cpp/ir/internal/IntegerConstant.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/internal/IntegerConstant.qll",
     "csharp/ql/src/experimental/ir/internal/IntegerConstant.qll"
   ],
   "IR IntegerInteval": [
-    "cpp/ql/src/semmle/code/cpp/ir/internal/IntegerInterval.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/internal/IntegerInterval.qll",
     "csharp/ql/src/experimental/ir/internal/IntegerInterval.qll"
   ],
   "IR IntegerPartial": [
-    "cpp/ql/src/semmle/code/cpp/ir/internal/IntegerPartial.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/internal/IntegerPartial.qll",
     "csharp/ql/src/experimental/ir/internal/IntegerPartial.qll"
   ],
   "IR Overlap": [
-    "cpp/ql/src/semmle/code/cpp/ir/internal/Overlap.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/internal/Overlap.qll",
     "csharp/ql/src/experimental/ir/internal/Overlap.qll"
   ],
   "IR EdgeKind": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/EdgeKind.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/EdgeKind.qll",
     "csharp/ql/src/experimental/ir/implementation/EdgeKind.qll"
   ],
   "IR MemoryAccessKind": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/MemoryAccessKind.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/MemoryAccessKind.qll",
     "csharp/ql/src/experimental/ir/implementation/MemoryAccessKind.qll"
   ],
   "IR TempVariableTag": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/TempVariableTag.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/TempVariableTag.qll",
     "csharp/ql/src/experimental/ir/implementation/TempVariableTag.qll"
   ],
   "IR Opcode": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/Opcode.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/Opcode.qll",
     "csharp/ql/src/experimental/ir/implementation/Opcode.qll"
   ],
   "IR SSAConsistency": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/SSAConsistency.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/internal/SSAConsistency.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/SSAConsistency.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/aliased_ssa/internal/SSAConsistency.qll",
     "csharp/ql/src/experimental/ir/implementation/unaliased_ssa/internal/SSAConsistency.qll"
   ],
   "C++ IR InstructionImports": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/internal/InstructionImports.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/InstructionImports.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/internal/InstructionImports.qll"
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/internal/InstructionImports.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/InstructionImports.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/aliased_ssa/internal/InstructionImports.qll"
   ],
   "C++ IR IRImports": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/internal/IRImports.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/IRImports.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/internal/IRImports.qll"
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/internal/IRImports.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/IRImports.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/aliased_ssa/internal/IRImports.qll"
   ],
   "C++ IR IRBlockImports": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/internal/IRBlockImports.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/IRBlockImports.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/internal/IRBlockImports.qll"
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/internal/IRBlockImports.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/IRBlockImports.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/aliased_ssa/internal/IRBlockImports.qll"
   ],
   "C++ IR IRFunctionImports": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/internal/IRFunctionImports.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/IRFunctionImports.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/internal/IRFunctionImports.qll"
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/internal/IRFunctionImports.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/IRFunctionImports.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/aliased_ssa/internal/IRFunctionImports.qll"
   ],
   "C++ IR IRVariableImports": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/internal/IRVariableImports.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/IRVariableImports.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/internal/IRVariableImports.qll"
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/internal/IRVariableImports.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/IRVariableImports.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/aliased_ssa/internal/IRVariableImports.qll"
   ],
   "C++ IR OperandImports": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/internal/OperandImports.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/OperandImports.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/internal/OperandImports.qll"
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/internal/OperandImports.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/OperandImports.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/aliased_ssa/internal/OperandImports.qll"
   ],
   "C++ IR PrintIRImports": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/internal/PrintIRImports.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/PrintIRImports.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/internal/PrintIRImports.qll"
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/internal/PrintIRImports.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/PrintIRImports.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/aliased_ssa/internal/PrintIRImports.qll"
   ],
   "C++ SSA SSAConstructionImports": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/SSAConstructionImports.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/internal/SSAConstructionImports.qll"
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/SSAConstructionImports.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/aliased_ssa/internal/SSAConstructionImports.qll"
   ],
   "SSA AliasAnalysis": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/AliasAnalysis.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/internal/AliasAnalysis.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/AliasAnalysis.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/aliased_ssa/internal/AliasAnalysis.qll",
     "csharp/ql/src/experimental/ir/implementation/unaliased_ssa/internal/AliasAnalysis.qll"
   ],
   "SSA PrintAliasAnalysis": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/PrintAliasAnalysis.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/internal/PrintAliasAnalysis.qll"
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/PrintAliasAnalysis.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/aliased_ssa/internal/PrintAliasAnalysis.qll"
   ],
   "C++ SSA AliasAnalysisImports": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/AliasAnalysisImports.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/internal/AliasAnalysisImports.qll"
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/AliasAnalysisImports.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/aliased_ssa/internal/AliasAnalysisImports.qll"
   ],
   "C++ IR ValueNumberingImports": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/gvn/internal/ValueNumberingImports.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/gvn/internal/ValueNumberingImports.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/gvn/internal/ValueNumberingImports.qll"
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/gvn/internal/ValueNumberingImports.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/unaliased_ssa/gvn/internal/ValueNumberingImports.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/aliased_ssa/gvn/internal/ValueNumberingImports.qll"
   ],
   "IR SSA SimpleSSA": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/SimpleSSA.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/SimpleSSA.qll",
     "csharp/ql/src/experimental/ir/implementation/unaliased_ssa/internal/SimpleSSA.qll"
   ],
   "IR AliasConfiguration (unaliased_ssa)": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/AliasConfiguration.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/AliasConfiguration.qll",
     "csharp/ql/src/experimental/ir/implementation/unaliased_ssa/internal/AliasConfiguration.qll"
   ],
   "IR SSA SSAConstruction": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/SSAConstruction.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/internal/SSAConstruction.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/SSAConstruction.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/aliased_ssa/internal/SSAConstruction.qll",
     "csharp/ql/src/experimental/ir/implementation/unaliased_ssa/internal/SSAConstruction.qll"
   ],
   "IR SSA PrintSSA": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/PrintSSA.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/internal/PrintSSA.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/PrintSSA.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/aliased_ssa/internal/PrintSSA.qll",
     "csharp/ql/src/experimental/ir/implementation/unaliased_ssa/internal/PrintSSA.qll"
   ],
   "IR ValueNumberInternal": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/gvn/internal/ValueNumberingInternal.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/gvn/internal/ValueNumberingInternal.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/gvn/internal/ValueNumberingInternal.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/gvn/internal/ValueNumberingInternal.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/unaliased_ssa/gvn/internal/ValueNumberingInternal.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/aliased_ssa/gvn/internal/ValueNumberingInternal.qll",
     "csharp/ql/src/experimental/ir/implementation/raw/gvn/internal/ValueNumberingInternal.qll",
     "csharp/ql/src/experimental/ir/implementation/unaliased_ssa/gvn/internal/ValueNumberingInternal.qll"
   ],
   "C++ IR ValueNumber": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/gvn/ValueNumbering.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/gvn/ValueNumbering.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/gvn/ValueNumbering.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/gvn/ValueNumbering.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/unaliased_ssa/gvn/ValueNumbering.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/aliased_ssa/gvn/ValueNumbering.qll",
     "csharp/ql/src/experimental/ir/implementation/raw/gvn/ValueNumbering.qll",
     "csharp/ql/src/experimental/ir/implementation/unaliased_ssa/gvn/ValueNumbering.qll"
   ],
   "C++ IR PrintValueNumbering": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/gvn/PrintValueNumbering.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/gvn/PrintValueNumbering.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/gvn/PrintValueNumbering.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/gvn/PrintValueNumbering.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/unaliased_ssa/gvn/PrintValueNumbering.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/aliased_ssa/gvn/PrintValueNumbering.qll",
     "csharp/ql/src/experimental/ir/implementation/raw/gvn/PrintValueNumbering.qll",
     "csharp/ql/src/experimental/ir/implementation/unaliased_ssa/gvn/PrintValueNumbering.qll"
   ],
   "C++ IR ConstantAnalysis": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/constant/ConstantAnalysis.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/constant/ConstantAnalysis.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/constant/ConstantAnalysis.qll"
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/constant/ConstantAnalysis.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/unaliased_ssa/constant/ConstantAnalysis.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/aliased_ssa/constant/ConstantAnalysis.qll"
   ],
   "C++ IR PrintConstantAnalysis": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/constant/PrintConstantAnalysis.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/constant/PrintConstantAnalysis.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/constant/PrintConstantAnalysis.qll"
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/constant/PrintConstantAnalysis.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/unaliased_ssa/constant/PrintConstantAnalysis.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/aliased_ssa/constant/PrintConstantAnalysis.qll"
   ],
   "C++ IR ReachableBlock": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/internal/reachability/ReachableBlock.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/reachability/ReachableBlock.qll"
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/internal/reachability/ReachableBlock.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/reachability/ReachableBlock.qll"
   ],
   "C++ IR PrintReachableBlock": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/internal/reachability/PrintReachableBlock.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/reachability/PrintReachableBlock.qll"
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/internal/reachability/PrintReachableBlock.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/reachability/PrintReachableBlock.qll"
   ],
   "C++ IR Dominance": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/internal/reachability/Dominance.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/reachability/Dominance.qll"
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/internal/reachability/Dominance.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/reachability/Dominance.qll"
   ],
   "C++ IR PrintDominance": [
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/raw/internal/reachability/PrintDominance.qll",
-    "cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/reachability/PrintDominance.qll"
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/internal/reachability/PrintDominance.qll",
+    "cpp/ql/lib/semmle/code/cpp/ir/implementation/unaliased_ssa/internal/reachability/PrintDominance.qll"
   ],
   "C# IR InstructionImports": [
     "csharp/ql/src/experimental/ir/implementation/raw/internal/InstructionImports.qll",
@@ -362,8 +362,8 @@
     "csharp/ql/src/experimental/ir/implementation/unaliased_ssa/gvn/internal/ValueNumberingImports.qll"
   ],
   "C# ControlFlowReachability": [
-    "csharp/ql/src/semmle/code/csharp/dataflow/internal/ControlFlowReachability.qll",
-    "csharp/ql/src/semmle/code/csharp/dataflow/internal/rangeanalysis/ControlFlowReachability.qll"
+    "csharp/ql/lib/semmle/code/csharp/dataflow/internal/ControlFlowReachability.qll",
+    "csharp/ql/lib/semmle/code/csharp/dataflow/internal/rangeanalysis/ControlFlowReachability.qll"
   ],
   "Inline Test Expectations": [
     "cpp/ql/test/TestUtilities/InlineExpectationsTest.qll",
@@ -379,11 +379,11 @@
     "cpp/ql/src/Security/CWE/CWE-020/ir/SafeExternalAPIFunction.qll"
   ],
   "XML": [
-    "cpp/ql/src/semmle/code/cpp/XML.qll",
-    "csharp/ql/src/semmle/code/csharp/XML.qll",
-    "java/ql/src/semmle/code/xml/XML.qll",
-    "javascript/ql/src/semmle/javascript/XML.qll",
-    "python/ql/src/semmle/python/xml/XML.qll"
+    "cpp/ql/lib/semmle/code/cpp/XML.qll",
+    "csharp/ql/lib/semmle/code/csharp/XML.qll",
+    "java/ql/lib/semmle/code/xml/XML.qll",
+    "javascript/ql/lib/semmle/javascript/XML.qll",
+    "python/ql/lib/semmle/python/xml/XML.qll"
   ],
   "DuplicationProblems.inc.qhelp": [
     "cpp/ql/src/Metrics/Files/DuplicationProblems.inc.qhelp",
@@ -437,29 +437,29 @@
     "python/ql/src/analysis/IDEContextual.qll"
   ],
   "SSA C#": [
-    "csharp/ql/src/semmle/code/csharp/dataflow/internal/SsaImplCommon.qll",
-    "csharp/ql/src/semmle/code/csharp/controlflow/internal/pressa/SsaImplCommon.qll",
-    "csharp/ql/src/semmle/code/csharp/dataflow/internal/basessa/SsaImplCommon.qll",
-    "csharp/ql/src/semmle/code/cil/internal/SsaImplCommon.qll"
+    "csharp/ql/lib/semmle/code/csharp/dataflow/internal/SsaImplCommon.qll",
+    "csharp/ql/lib/semmle/code/csharp/controlflow/internal/pressa/SsaImplCommon.qll",
+    "csharp/ql/lib/semmle/code/csharp/dataflow/internal/basessa/SsaImplCommon.qll",
+    "csharp/ql/lib/semmle/code/cil/internal/SsaImplCommon.qll"
   ],
   "CryptoAlgorithms Python/JS": [
-    "javascript/ql/src/semmle/javascript/security/CryptoAlgorithms.qll",
-    "python/ql/src/semmle/python/concepts/CryptoAlgorithms.qll"
+    "javascript/ql/lib/semmle/javascript/security/CryptoAlgorithms.qll",
+    "python/ql/lib/semmle/python/concepts/CryptoAlgorithms.qll"
   ],
   "SensitiveDataHeuristics Python/JS": [
-    "javascript/ql/src/semmle/javascript/security/internal/SensitiveDataHeuristics.qll",
-    "python/ql/src/semmle/python/security/internal/SensitiveDataHeuristics.qll"
+    "javascript/ql/lib/semmle/javascript/security/internal/SensitiveDataHeuristics.qll",
+    "python/ql/lib/semmle/python/security/internal/SensitiveDataHeuristics.qll"
   ],
   "ReDoS Util Python/JS": [
-    "javascript/ql/src/semmle/javascript/security/performance/ReDoSUtil.qll",
-    "python/ql/src/semmle/python/security/performance/ReDoSUtil.qll"
+    "javascript/ql/lib/semmle/javascript/security/performance/ReDoSUtil.qll",
+    "python/ql/lib/semmle/python/security/performance/ReDoSUtil.qll"
   ],
   "ReDoS Exponential Python/JS": [
-    "javascript/ql/src/semmle/javascript/security/performance/ExponentialBackTracking.qll",
-    "python/ql/src/semmle/python/security/performance/ExponentialBackTracking.qll"
+    "javascript/ql/lib/semmle/javascript/security/performance/ExponentialBackTracking.qll",
+    "python/ql/lib/semmle/python/security/performance/ExponentialBackTracking.qll"
   ],
   "ReDoS Polynomial Python/JS": [
-    "javascript/ql/src/semmle/javascript/security/performance/SuperlinearBackTracking.qll",
-    "python/ql/src/semmle/python/security/performance/SuperlinearBackTracking.qll"
+    "javascript/ql/lib/semmle/javascript/security/performance/SuperlinearBackTracking.qll",
+    "python/ql/lib/semmle/python/security/performance/SuperlinearBackTracking.qll"
   ]
-}
+}

cpp/change-notes/2021-08-10-has-trailing-return-type.md

@@ -0,0 +1,2 @@
+lgtm,codescanning
+* Added `Function.hasTrailingReturnType` predicate to check whether a function was declared with a trailing return type.

cpp/change-notes/2021-08-17-has-c-linkage.md

@@ -0,0 +1,2 @@
+lgtm,codescanning
+* Added `RoutineType.hasCLinkage` predicate to check whether a function type has "C" language linkage.

cpp/change-notes/2021-08-23-ctime-weaken-claims.md

@@ -0,0 +1,2 @@
+lgtm,codescanning
+* Lowered the precision of `cpp/potentially-dangerous-function` so it is run but not displayed on LGTM by default and so it's only run and displayed on Code Scanning if a broader suite like `cpp-security-extended` is opted into.

cpp/change-notes/2021-08-23-getPrimaryQlClasses.md

@@ -0,0 +1,2 @@
+lgtm,codescanning
+* Added `Element.getPrimaryQlClasses()` predicate, which gets a comma-separated list of the names of the primary CodeQL classes to which this element belongs.

cpp/change-notes/2021-08-24-implicit-downcast-from-bitfield.md

@@ -0,0 +1,2 @@
+lgtm,codescanning
+* The query `cpp/implicit-bitfield-downcast` now accounts for C++ reference types, which leads to more true positive results.

cpp/change-notes/2021-08-31-range-analysis-upper-bound.md

@@ -0,0 +1,4 @@
+lgtm,codescanning
+* The `SimpleRangeAnalysis` library includes information from the
+  immediate guard for determining the upper bound of a stack
+  variable for improved accuracy.

cpp/change-notes/2021-09-13-overflow-static.md

@@ -0,0 +1,4 @@
+lgtm,codescanning
+* The `memberMayBeVarSize` predicate considers more fields to be variable size.
+  As a result, the "Static buffer overflow" query (cpp/static-buffer-overflow)
+  produces fewer false positives.

cpp/ql/examples/qlpack.lock.yml

@@ -0,0 +1,4 @@
+---
+dependencies: {}
+compiled: false
+lockVersion: 1.0.0

cpp/ql/examples/qlpack.yml

@@ -1,3 +1,4 @@
-name: codeql-cpp-examples
-version: 0.0.0
-libraryPathDependencies: codeql-cpp
+name: codeql/cpp-examples
+version: 0.0.2
+dependencies:
+  codeql/cpp-all: "*"

cpp/ql/lib/qlpack.lock.yml

@@ -0,0 +1,4 @@
+---
+dependencies: {}
+compiled: false
+lockVersion: 1.0.0

cpp/ql/lib/qlpack.yml

@@ -0,0 +1,7 @@
+name: codeql/cpp-all
+version: 0.0.2
+dbscheme: semmlecode.cpp.dbscheme
+extractor: cpp
+library: true
+dependencies:
+  codeql/cpp-upgrades: 0.0.2

cpp/ql/lib/semmle/code/cpp/Element.qll

@@ -58,6 +58,11 @@ class ElementBase extends @element {
   /** DEPRECATED: use `getAPrimaryQlClass` instead. */
   deprecated string getCanonicalQLClass() { result = this.getAPrimaryQlClass() }
 
+  /**
+   * Gets a comma-separated list of the names of the primary CodeQL classes to which this element belongs.
+   */
+  final string getPrimaryQlClasses() { result = concat(getAPrimaryQlClass(), ",") }
+
   /**
    * Gets the name of a primary CodeQL class to which this element belongs.
    *

cpp/ql/lib/semmle/code/cpp/File.qll

@@ -171,7 +171,7 @@ class Container extends Locatable, @container {
  * To get the full path, use `getAbsolutePath`.
  */
 class Folder extends Container, @folder {
-  override string getAbsolutePath() { folders(underlyingElement(this), result, _) }
+  override string getAbsolutePath() { folders(underlyingElement(this), result) }
 
   override Location getLocation() {
     result.getContainer() = this and
@@ -190,7 +190,7 @@ class Folder extends Container, @folder {
    * DEPRECATED: use `getAbsolutePath` instead.
    * Gets the name of this folder.
    */
-  deprecated string getName() { folders(underlyingElement(this), result, _) }
+  deprecated string getName() { folders(underlyingElement(this), result) }
 
   /**
    * DEPRECATED: use `getAbsolutePath` instead.
@@ -208,17 +208,7 @@ class Folder extends Container, @folder {
    * DEPRECATED: use `getBaseName` instead.
    * Gets the last part of the folder name.
    */
-  deprecated string getShortName() {
-    exists(string longnameRaw, string longname |
-      folders(underlyingElement(this), _, longnameRaw) and
-      longname = longnameRaw.replaceAll("\\", "/")
-    |
-      exists(int index |
-        result = longname.splitAt("/", index) and
-        not exists(longname.splitAt("/", index + 1))
-      )
-    )
-  }
+  deprecated string getShortName() { result = this.getBaseName() }
 
   /**
    * DEPRECATED: use `getParentContainer` instead.
@@ -242,7 +232,7 @@ class Folder extends Container, @folder {
  * `getStem` and `getExtension`. To get the full path, use `getAbsolutePath`.
  */
 class File extends Container, @file {
-  override string getAbsolutePath() { files(underlyingElement(this), result, _, _, _) }
+  override string getAbsolutePath() { files(underlyingElement(this), result) }
 
   override string toString() { result = Container.super.toString() }
 
@@ -336,7 +326,13 @@ class File extends Container, @file {
    * for example, for "file.tar.gz", this predicate will have the result
    * "tar.gz", while `getExtension` will have the result "gz".
    */
-  string getExtensions() { files(underlyingElement(this), _, _, result, _) }
+  string getExtensions() {
+    exists(string name, int firstDotPos |
+      name = this.getBaseName() and
+      firstDotPos = min([name.indexOf("."), name.length() - 1]) and
+      result = name.suffix(firstDotPos + 1)
+    )
+  }
 
   /**
    * Gets the short name of this file, that is, the prefix of its base name up
@@ -351,7 +347,16 @@ class File extends Container, @file {
    * for example, for "file.tar.gz", this predicate will have the result
    * "file", while `getStem` will have the result "file.tar".
    */
-  string getShortName() { files(underlyingElement(this), _, result, _, _) }
+  string getShortName() {
+    exists(string name, int firstDotPos |
+      name = this.getBaseName() and
+      firstDotPos = min([name.indexOf("."), name.length()]) and
+      result = name.prefix(firstDotPos)
+    )
+    or
+    this.getAbsolutePath() = "" and
+    result = ""
+  }
 }
 
 /**

cpp/ql/lib/semmle/code/cpp/Function.qll

@@ -151,6 +151,20 @@ class Function extends Declaration, ControlFlowNode, AccessHolder, @function {
    */
   predicate isNaked() { getAnAttribute().hasName("naked") }
 
+  /**
+   * Holds if this function has a trailing return type.
+   *
+   * Note that this is true whether or not deduction took place. For example,
+   * this holds for both `e` and `f`, but not `g` or `h`:
+   * ```
+   * auto e() -> int { return 0; }
+   * auto f() -> auto { return 0; }
+   * auto g() { return 0; }
+   * int h() { return 0; }
+   * ```
+   */
+  predicate hasTrailingReturnType() { this.hasSpecifier("has_trailing_return_type") }
+
   /** Gets the return type of this function. */
   Type getType() { function_return_type(underlyingElement(this), unresolveElement(result)) }
 

cpp/ql/lib/semmle/code/cpp/Initializer.qll

@@ -18,6 +18,12 @@ import semmle.code.cpp.controlflow.ControlFlowGraph
  *   ...
  * }
  * ```
+ * But _not_ `4` in the following code:
+ * ```
+ * int myUninitializedVariable;
+ * myUninitializedVariable = 4;
+ * ```
+ * Instead, this is an `Assignment`.
  */
 class Initializer extends ControlFlowNode, @initialiser {
   override Location getLocation() { initialisers(underlyingElement(this), _, _, result) }

cpp/ql/lib/semmle/code/cpp/PrintAST.qll

@@ -46,7 +46,7 @@ private string escapeString(string s) {
  * string representation comes first in lexicographical order.
  */
 private Location getRepresentativeLocation(Locatable ast) {
-  result = rank[1](Location loc | loc = ast.getLocation() | loc order by loc.toString())
+  result = min(Location loc | loc = ast.getLocation() | loc order by loc.toString())
 }
 
 /**

cpp/ql/lib/semmle/code/cpp/Type.qll

@@ -1621,6 +1621,19 @@ class RoutineType extends Type, @routinetype {
    */
   Type getReturnType() { routinetypes(underlyingElement(this), unresolveElement(result)) }
 
+  /**
+   * Holds if this function type has "C" language linkage.
+   *
+   * This includes any function declared in a C source file, or explicitly marked as having "C" linkage:
+   * ```
+   * extern "C" void f();
+   * extern "C" {
+   * void g();
+   * }
+   * ```
+   */
+  predicate hasCLinkage() { this.hasSpecifier("c_linkage") }
+
   override string explain() {
     result =
       "function returning {" + this.getReturnType().explain() + "} with arguments (" +

cpp/ql/lib/semmle/code/cpp/Variable.qll

@@ -136,6 +136,12 @@ class Variable extends Declaration, @variable {
   /**
    * Gets an assignment expression that assigns to this variable.
    * For example: `x=...` or `x+=...`.
+   *
+   * This does _not_ include the initialization of the variable. Use
+   * `Variable.getInitializer()` to get the variable's initializer,
+   * or use `Variable.getAnAssignedValue()` to get an expression that
+   * is the right-hand side of an assignment or an initialization of
+   * the varible.
    */
   Assignment getAnAssignment() { result.getLValue() = this.getAnAccess() }
 

cpp/ql/lib/semmle/code/cpp/commons/Buffer.qll

@@ -2,17 +2,18 @@ import cpp
 import semmle.code.cpp.dataflow.DataFlow
 
 /**
- * Holds if `v` is a member variable of `c` that looks like it might be variable sized in practice.  For
- * example:
+ * Holds if `v` is a member variable of `c` that looks like it might be variable sized
+ * in practice. For example:
  * ```
  * struct myStruct { // c
  *   int amount;
  *   char data[1]; // v
  * };
  * ```
- * This requires that `v` is an array of size 0 or 1, and `v` is the last member of `c`.  In addition,
- * there must be at least one instance where a `c` pointer is allocated with additional space.  For
- * example, holds for `c` if it occurs as
+ * This requires that `v` is an array of size 0 or 1, and `v` is the last member of `c`.
+ * In addition, if the size of the structure is taken, there must be at least one instance
+ * where a `c` pointer is allocated with additional space.
+ * For example, holds for `c` if it occurs as
  * ```
  * malloc(sizeof(c) + 100 * sizeof(char))
  * ```
@@ -27,27 +28,25 @@ predicate memberMayBeVarSize(Class c, MemberVariable v) {
     i = max(int j | c.getCanonicalMember(j) instanceof Field | j) and
     v = c.getCanonicalMember(i) and
     // v is an array of size at most 1
-    v.getUnspecifiedType().(ArrayType).getArraySize() <= 1
+    v.getUnspecifiedType().(ArrayType).getArraySize() <= 1 and
+    not c instanceof Union
   ) and
+  // If the size is taken, then arithmetic is performed on the result at least once
   (
+    // `sizeof(c)` is not taken
+    not exists(SizeofOperator so |
+      so.(SizeofTypeOperator).getTypeOperand().getUnspecifiedType() = c or
+      so.(SizeofExprOperator).getExprOperand().getUnspecifiedType() = c
+    )
+    or
+    // or `sizeof(c)` is taken
     exists(SizeofOperator so |
-      // `sizeof(c)` is taken
       so.(SizeofTypeOperator).getTypeOperand().getUnspecifiedType() = c or
       so.(SizeofExprOperator).getExprOperand().getUnspecifiedType() = c
     |
-      // arithmetic is performed on the result
+      // and arithmetic is performed on the result
       so.getParent*() instanceof AddExpr
     )
-    or
-    exists(AddressOfExpr aoe |
-      // `&(c.v)` is taken
-      aoe.getAddressable() = v
-    )
-    or
-    exists(BuiltInOperationBuiltInOffsetOf oo |
-      // `offsetof(c, v)` using a builtin
-      oo.getAChild().(VariableAccess).getTarget() = v
-    )
   )
 }
 
@@ -61,6 +60,10 @@ int getBufferSize(Expr bufferExpr, Element why) {
     result = bufferVar.getUnspecifiedType().(ArrayType).getSize() and
     why = bufferVar and
     not memberMayBeVarSize(_, bufferVar) and
+    not exists(Union bufferType |
+      bufferType.getAMemberVariable() = why and
+      bufferVar.getUnspecifiedType().(ArrayType).getSize() <= 1
+    ) and
     not result = 0 // zero sized arrays are likely to have special usage, for example
     or
     // behaving a bit like a 'union' overlapping other fields.
@@ -82,6 +85,13 @@ int getBufferSize(Expr bufferExpr, Element why) {
       parentPtr.getTarget().getUnspecifiedType().(PointerType).getBaseType() = parentClass and
       result = getBufferSize(parentPtr, _) + bufferVar.getType().getSize() - parentClass.getSize()
     )
+    or
+    exists(Union bufferType |
+      bufferType.getAMemberVariable() = why and
+      why = bufferVar and
+      bufferVar.getUnspecifiedType().(ArrayType).getSize() <= 1 and
+      result = bufferType.getSize()
+    )
   )
   or
   // buffer is a fixed size dynamic allocation