Swift: QL generation script

Also added code generation to the swift checks.

.github/workflows/swift-qltest.yml

@@ -12,6 +12,17 @@ defaults:
     working-directory: swift
 
 jobs:
+  codegen:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ./.github/actions/fetch-codeql
+      - uses: bazelbuild/setup-bazelisk@v2
+      - name: Check code generation
+        run: |
+          bazel run //swift/codegen
+          git add .
+          git diff --exit-code --stat HEAD
   qlformat:
     runs-on: ubuntu-latest
     steps:
@@ -28,18 +39,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - uses: ./.github/actions/fetch-codeql
-      - name: Install bazelisk - Linux
-        if: runner.os == 'Linux'
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y wget
-          wget https://github.com/bazelbuild/bazelisk/releases/download/v1.11.0/bazelisk-linux-amd64
-          mv bazelisk-linux-amd64 /usr/local/bin/bazel
-          chmod +x /usr/local/bin/bazel
-      - name: Install bazelisk - macOS
-        if: runner.os == 'MacOS'
-        run: |
-          brew install bazelisk
+      - uses: bazelbuild/setup-bazelisk@v2
       - name: Build Swift extractor
         run: |
           bazel run //swift:create-extractor-pack
@@ -48,4 +48,3 @@ jobs:
           codeql test run --threads=0 --ram 5000 --search-path "${{ github.workspace }}/swift/extractor-pack" --check-databases --check-unused-labels --check-repeated-labels --check-redefined-labels --check-use-before-definition ql/test
         env:
           GITHUB_TOKEN: ${{ github.token }}
-

.pre-commit-config.yaml

@@ -36,7 +36,7 @@ repos:
 
       - id: swift-codegen
         name: Run Swift checked in code generation
-        files: ^swift/(codegen/|.*/generated/|ql/lib/swift\.dbscheme$)
+        files: ^swift/(codegen/|.*/generated/|ql/lib/(swift\.dbscheme$|codeql/swift/elements))
         language: system
         entry: bazel run //swift/codegen
         pass_filenames: false

swift/codegen/codegen.py

@@ -3,6 +3,7 @@
 
 from lib import generator
 import dbschemegen
+import qlgen
 
 if __name__ == "__main__":
-    generator.run(dbschemegen.generate)
+    generator.run(dbschemegen.generate, qlgen.generate)

swift/codegen/lib/generator.py

@@ -23,7 +23,5 @@ def run(*generators, tags=None):
     `generators` should be callables taking as input an option namespace and a `render.Renderer` instance
     """
     opts = _parse(tags)
-    renderer = render.Renderer(dryrun=opts.check)
     for g in generators:
-        g(opts, renderer)
-    sys.exit(1 if opts.check and renderer.done_something else 0)
+        g(opts, render.Renderer())

swift/codegen/lib/options.py

@@ -9,10 +9,12 @@ from . import paths
 
 
 def _init_options():
-    Option("--check", "-c", action="store_true")
     Option("--verbose", "-v", action="store_true")
     Option("--schema", tags=["schema"], type=pathlib.Path, default=paths.swift_dir / "codegen/schema.yml")
     Option("--dbscheme", tags=["dbscheme"], type=pathlib.Path, default=paths.swift_dir / "ql/lib/swift.dbscheme")
+    Option("--ql-output", tags=["ql"], type=pathlib.Path, default=paths.swift_dir / "ql/lib/codeql/swift/generated")
+    Option("--ql-stub-output", tags=["ql"], type=pathlib.Path, default=paths.swift_dir / "ql/lib/codeql/swift/elements")
+    Option("--codeql-binary", tags=["ql"], default="codeql")
 
 
 _options = collections.defaultdict(list)

swift/codegen/lib/render.py

@@ -5,7 +5,6 @@
 https://mustache.github.io/
 """
 
-import hashlib
 import logging
 import pathlib
 
@@ -16,29 +15,13 @@ from . import paths
 log = logging.getLogger(__name__)
 
 
-def _md5(data):
-    return hashlib.md5(data).digest()
-
-
 class Renderer:
     """ Template renderer using mustache templates in the `templates` directory """
 
-    def __init__(self, dryrun=False):
-        """ Construct the renderer, which will not write anything if `dryrun` is `True` """
+    def __init__(self):
         self.r = pystache.Renderer(search_dirs=str(paths.lib_dir / "templates"), escape=lambda u: u)
         self.generator = paths.exe_file.relative_to(paths.swift_dir)
-        self.dryrun = dryrun
         self.written = set()
-        self.skipped = set()
-        self.erased = set()
-
-    @property
-    def done_something(self):
-        return bool(self.written or self.erased)
-
-    @property
-    def rendered(self):
-        return self.written | self.skipped
 
     def render(self, data, output: pathlib.Path):
         """ Render `data` to `output`.
@@ -50,27 +33,14 @@ class Renderer:
         mnemonic = type(data).__name__
         output.parent.mkdir(parents=True, exist_ok=True)
         data = self.r.render_name(data.template, data, generator=self.generator)
-        if output.is_file():
-            with open(output, "rb") as file:
-                if _md5(data.encode()) == _md5(file.read()):
-                    log.debug(f"skipped {output.name}")
-                    self.skipped.add(output)
-                    return
-        if self.dryrun:
-            log.error(f"would have generated {mnemonic} {output.name}")
-        else:
         with open(output, "w") as out:
             out.write(data)
-            log.info(f"generated {mnemonic} {output.name}")
+        log.debug(f"generated {mnemonic} {output.name}")
         self.written.add(output)
 
     def cleanup(self, existing):
         """ Remove files in `existing` for which no `render` has been called """
-        for f in existing - self.written - self.skipped:
+        for f in existing - self.written:
             if f.is_file():
-                if self.dryrun:
-                    log.error(f"would have removed {f.name}")
-                else:
                 f.unlink()
                 log.info(f"removed {f.name}")
-                self.erased.add(f)

swift/codegen/lib/templates/ql_class.mustache

@@ -0,0 +1,47 @@
+// generated by {{generator}}
+{{#imports}}
+import {{.}}
+{{/imports}}
+
+class {{name}}Base extends {{db_id}}{{#bases}}, {{.}}{{/bases}} {
+  {{#root}}
+  string toString() { none() } // overridden by subclasses
+
+  {{name}}Base getResolveStep() { none() } // overridden by subclasses
+
+  {{name}}Base resolve() {
+    not exists(getResolveStep()) and result = this
+    or
+    result = getResolveStep().resolve()
+  }
+  {{/root}}
+  {{#final}}
+  override string toString() { result = "{{name}}" }
+  {{/final}}
+  {{#properties}}
+
+  {{#type_is_class}}
+  {{type}} get{{singular}}({{#params}}{{^first}}, {{/first}}{{type}} {{param}}{{/params}}) {
+    exists({{type}} {{local_var}} |
+      {{tablename}}({{#tableparams}}{{^first}}, {{/first}}{{param}}{{/tableparams}})
+      and
+      result = {{local_var}}.resolve())
+  }
+  {{/type_is_class}}
+  {{^type_is_class}}
+  {{type}} get{{singular}}({{#params}}{{^first}}, {{/first}}{{type}} {{param}}{{/params}}) {
+    {{tablename}}({{#tableparams}}{{^first}}, {{/first}}{{param}}{{/tableparams}})
+  }
+  {{/type_is_class}}
+  {{#indefinite_article}}
+
+  {{type}} get{{.}}{{singular}}() {
+    result = get{{singular}}({{#params}}{{^first}}, {{/first}}_{{/params}})
+  }
+
+  int getNumberOf{{plural}}() {
+    result = count(get{{.}}{{singular}}())
+  }
+  {{/indefinite_article}}
+  {{/properties}}
+}

swift/codegen/lib/templates/ql_imports.mustache

@@ -0,0 +1,4 @@
+// generated by {{generator}}
+{{#imports}}
+import {{.}}
+{{/imports}}

swift/codegen/lib/templates/ql_stub.mustache

@@ -0,0 +1,4 @@
+// generated by {{generator}}, remove this comment if you wish to edit this file
+private import {{base_import}}
+
+class {{name}} extends {{name}}Base { }

swift/codegen/prefix.dbscheme

@@ -7,4 +7,4 @@ sourceLocationPrefix(
 
 answer_to_life_the_universe_and_everything(
    int answer: int ref
-)
+);

swift/codegen/qlgen.py

@@ -0,0 +1,202 @@
+#!/usr/bin/env python3
+
+import logging
+import pathlib
+import subprocess
+from dataclasses import dataclass, field
+from typing import List, ClassVar
+
+import inflection
+
+from lib import schema, paths, generator
+
+log = logging.getLogger(__name__)
+
+
+@dataclass
+class QlParam:
+    param: str
+    type: str = None
+    first: bool = False
+
+
+@dataclass
+class QlProperty:
+    singular: str
+    type: str
+    tablename: str
+    tableparams: List[QlParam]
+    plural: str = None
+    params: List[QlParam] = field(default_factory=list)
+    first: bool = False
+    local_var: str = "x"
+
+    def __post_init__(self):
+        if self.params:
+            self.params[0].first = True
+        while self.local_var in (p.param for p in self.params):
+            self.local_var += "_"
+        assert self.tableparams
+        if self.type_is_class:
+            self.tableparams = [x if x != "result" else self.local_var for x in self.tableparams]
+        self.tableparams = [QlParam(x) for x in self.tableparams]
+        self.tableparams[0].first = True
+
+    @property
+    def indefinite_article(self):
+        if self.plural:
+            return "An" if self.singular[0] in "AEIO" else "A"
+
+    @property
+    def type_is_class(self):
+        return self.type[0].isupper()
+
+
+@dataclass
+class QlClass:
+    template: ClassVar = 'ql_class'
+
+    name: str
+    bases: List[str]
+    final: bool
+    properties: List[QlProperty]
+    dir: pathlib.Path
+    imports: List[str] = field(default_factory=list)
+
+    def __post_init__(self):
+        self.bases = sorted(self.bases)
+        if self.properties:
+            self.properties[0].first = True
+
+    @property
+    def db_id(self):
+        return "@" + inflection.underscore(self.name)
+
+    @property
+    def root(self):
+        return not self.bases
+
+    @property
+    def path(self):
+        return self.dir / self.name
+
+
+@dataclass
+class QlStub:
+    template: ClassVar = 'ql_stub'
+
+    name: str
+    base_import: str
+
+
+@dataclass
+class QlImportList:
+    template: ClassVar = 'ql_imports'
+
+    imports: List[str] = field(default_factory=list)
+
+
+def get_ql_property(cls: schema.Class, prop: schema.Property):
+    if prop.is_single:
+        return QlProperty(
+            singular=inflection.camelize(prop.name),
+            type=prop.type,
+            tablename=inflection.tableize(cls.name),
+            tableparams=["this"] + ["result" if p is prop else "_" for p in cls.properties if p.is_single],
+        )
+    elif prop.is_optional:
+        return QlProperty(
+            singular=inflection.camelize(prop.name),
+            type=prop.type,
+            tablename=inflection.tableize(f"{cls.name}_{prop.name}"),
+            tableparams=["this", "result"],
+        )
+    elif prop.is_repeated:
+        return QlProperty(
+            singular=inflection.singularize(inflection.camelize(prop.name)),
+            plural=inflection.pluralize(inflection.camelize(prop.name)),
+            type=prop.type,
+            tablename=inflection.tableize(f"{cls.name}_{prop.name}"),
+            tableparams=["this", "index", "result"],
+            params=[QlParam("index", type="int")],
+        )
+
+
+def get_ql_class(cls: schema.Class):
+    return QlClass(
+        name=cls.name,
+        bases=cls.bases,
+        final=not cls.derived,
+        properties=[get_ql_property(cls, p) for p in cls.properties],
+        dir=cls.dir,
+    )
+
+
+def get_import(file):
+    stem = file.relative_to(paths.swift_dir / "ql/lib").with_suffix("")
+    return str(stem).replace("/", ".")
+
+
+def get_types_used_by(cls: QlClass):
+    for b in cls.bases:
+        yield b
+    for p in cls.properties:
+        yield p.type
+        for param in p.params:
+            yield param.type
+
+
+def get_classes_used_by(cls: QlClass):
+    return sorted(set(t for t in get_types_used_by(cls) if t[0].isupper()))
+
+
+def is_generated(file):
+    with open(file) as contents:
+        return next(contents).startswith("// generated")
+
+
+def format(codeql, files):
+    format_cmd = [codeql, "query", "format", "--in-place", "--"]
+    format_cmd.extend(str(f) for f in files)
+    res = subprocess.run(format_cmd, check=True, stderr=subprocess.PIPE, text=True)
+    for line in res.stderr.splitlines():
+        log.debug(line.strip())
+
+
+def generate(opts, renderer):
+    input = opts.schema.resolve()
+    out = opts.ql_output.resolve()
+    stub_out = opts.ql_stub_output.resolve()
+    existing = {q for q in out.rglob("*.qll")}
+    existing |= {q for q in stub_out.rglob("*.qll") if is_generated(q)}
+
+    with open(input) as src:
+        data = schema.load(src)
+
+    classes = [get_ql_class(cls) for cls in data.classes.values()]
+    imports = {}
+
+    for c in classes:
+        imports[c.name] = get_import(stub_out / c.path)
+
+    for c in classes:
+        assert not c.final or c.bases, c.name
+        qll = (out / c.path).with_suffix(".qll")
+        c.imports = [imports[t] for t in get_classes_used_by(c)]
+        renderer.render(c, qll)
+        stub_file = (stub_out / c.path).with_suffix(".qll")
+        if not stub_file.is_file() or is_generated(stub_file):
+            stub = QlStub(name=c.name, base_import=get_import(qll))
+            renderer.render(stub, stub_file)
+
+    # for example path/to/syntax/generated -> path/to/syntax.qll
+    include_file = stub_out.with_suffix(".qll")
+    all_imports = QlImportList(v for _, v in sorted(imports.items()))
+    renderer.render(all_imports, include_file)
+
+    renderer.cleanup(existing)
+    format(opts.codeql_binary, renderer.written)
+
+
+if __name__ == "__main__":
+    generator.run(generate, tags=["schema", "ql"])

swift/ql/lib/codeql/swift/elements.qll

@@ -0,0 +1,283 @@
+// generated by codegen/codegen.py
+import codeql.swift.elements.expr.AbstractClosureExpr
+import codeql.swift.elements.decl.AbstractFunctionDecl
+import codeql.swift.elements.decl.AbstractStorageDecl
+import codeql.swift.elements.decl.AbstractTypeParamDecl
+import codeql.swift.elements.decl.AccessorDecl
+import codeql.swift.elements.type.AnyBuiltinIntegerType
+import codeql.swift.elements.type.AnyFunctionType
+import codeql.swift.elements.type.AnyGenericType
+import codeql.swift.elements.expr.AnyHashableErasureExpr
+import codeql.swift.elements.type.AnyMetatypeType
+import codeql.swift.elements.pattern.AnyPattern
+import codeql.swift.elements.expr.AnyTryExpr
+import codeql.swift.elements.expr.AppliedPropertyWrapperExpr
+import codeql.swift.elements.expr.ApplyExpr
+import codeql.swift.elements.expr.ArchetypeToSuperExpr
+import codeql.swift.elements.type.ArchetypeType
+import codeql.swift.elements.expr.Argument
+import codeql.swift.elements.expr.ArrayExpr
+import codeql.swift.elements.type.ArraySliceType
+import codeql.swift.elements.expr.ArrayToPointerExpr
+import codeql.swift.elements.expr.ArrowExpr
+import codeql.swift.elements.expr.AssignExpr
+import codeql.swift.elements.decl.AssociatedTypeDecl
+import codeql.swift.elements.AstNode
+import codeql.swift.elements.expr.AutoClosureExpr
+import codeql.swift.elements.expr.AwaitExpr
+import codeql.swift.elements.expr.BinaryExpr
+import codeql.swift.elements.expr.BindOptionalExpr
+import codeql.swift.elements.pattern.BindingPattern
+import codeql.swift.elements.pattern.BoolPattern
+import codeql.swift.elements.expr.BooleanLiteralExpr
+import codeql.swift.elements.type.BoundGenericClassType
+import codeql.swift.elements.type.BoundGenericEnumType
+import codeql.swift.elements.type.BoundGenericStructType
+import codeql.swift.elements.type.BoundGenericType
+import codeql.swift.elements.stmt.BraceStmt
+import codeql.swift.elements.stmt.BreakStmt
+import codeql.swift.elements.expr.BridgeFromObjCExpr
+import codeql.swift.elements.expr.BridgeToObjCExpr
+import codeql.swift.elements.type.BuiltinBridgeObjectType
+import codeql.swift.elements.type.BuiltinDefaultActorStorageType
+import codeql.swift.elements.type.BuiltinExecutorType
+import codeql.swift.elements.type.BuiltinFloatType
+import codeql.swift.elements.type.BuiltinIntegerLiteralType
+import codeql.swift.elements.type.BuiltinIntegerType
+import codeql.swift.elements.type.BuiltinJobType
+import codeql.swift.elements.expr.BuiltinLiteralExpr
+import codeql.swift.elements.type.BuiltinNativeObjectType
+import codeql.swift.elements.type.BuiltinRawPointerType
+import codeql.swift.elements.type.BuiltinRawUnsafeContinuationType
+import codeql.swift.elements.type.BuiltinType
+import codeql.swift.elements.type.BuiltinUnsafeValueBufferType
+import codeql.swift.elements.type.BuiltinVectorType
+import codeql.swift.elements.expr.CallExpr
+import codeql.swift.elements.expr.CaptureListExpr
+import codeql.swift.elements.stmt.CaseLabelItem
+import codeql.swift.elements.stmt.CaseStmt
+import codeql.swift.elements.expr.CheckedCastExpr
+import codeql.swift.elements.decl.ClassDecl
+import codeql.swift.elements.expr.ClassMetatypeToObjectExpr
+import codeql.swift.elements.type.ClassType
+import codeql.swift.elements.expr.ClosureExpr
+import codeql.swift.elements.expr.CodeCompletionExpr
+import codeql.swift.elements.expr.CoerceExpr
+import codeql.swift.elements.expr.CollectionExpr
+import codeql.swift.elements.expr.CollectionUpcastConversionExpr
+import codeql.swift.elements.decl.ConcreteFuncDecl
+import codeql.swift.elements.decl.ConcreteVarDecl
+import codeql.swift.elements.stmt.ConditionElement
+import codeql.swift.elements.expr.ConditionalBridgeFromObjCExpr
+import codeql.swift.elements.expr.ConditionalCheckedCastExpr
+import codeql.swift.elements.decl.ConstructorDecl
+import codeql.swift.elements.expr.ConstructorRefCallExpr
+import codeql.swift.elements.stmt.ContinueStmt
+import codeql.swift.elements.expr.CovariantFunctionConversionExpr
+import codeql.swift.elements.expr.CovariantReturnConversionExpr
+import codeql.swift.elements.decl.Decl
+import codeql.swift.elements.expr.DeclRefExpr
+import codeql.swift.elements.expr.DefaultArgumentExpr
+import codeql.swift.elements.stmt.DeferStmt
+import codeql.swift.elements.type.DependentMemberType
+import codeql.swift.elements.expr.DerivedToBaseExpr
+import codeql.swift.elements.decl.DestructorDecl
+import codeql.swift.elements.expr.DestructureTupleExpr
+import codeql.swift.elements.expr.DictionaryExpr
+import codeql.swift.elements.type.DictionaryType
+import codeql.swift.elements.expr.DifferentiableFunctionExpr
+import codeql.swift.elements.expr.DifferentiableFunctionExtractOriginalExpr
+import codeql.swift.elements.expr.DiscardAssignmentExpr
+import codeql.swift.elements.stmt.DoCatchStmt
+import codeql.swift.elements.stmt.DoStmt
+import codeql.swift.elements.expr.DotSelfExpr
+import codeql.swift.elements.expr.DotSyntaxBaseIgnoredExpr
+import codeql.swift.elements.expr.DotSyntaxCallExpr
+import codeql.swift.elements.expr.DynamicLookupExpr
+import codeql.swift.elements.expr.DynamicMemberRefExpr
+import codeql.swift.elements.type.DynamicSelfType
+import codeql.swift.elements.expr.DynamicSubscriptExpr
+import codeql.swift.elements.expr.DynamicTypeExpr
+import codeql.swift.elements.expr.EditorPlaceholderExpr
+import codeql.swift.elements.Element
+import codeql.swift.elements.decl.EnumCaseDecl
+import codeql.swift.elements.decl.EnumDecl
+import codeql.swift.elements.decl.EnumElementDecl
+import codeql.swift.elements.pattern.EnumElementPattern
+import codeql.swift.elements.expr.EnumIsCaseExpr
+import codeql.swift.elements.type.EnumType
+import codeql.swift.elements.expr.ErasureExpr
+import codeql.swift.elements.expr.ErrorExpr
+import codeql.swift.elements.type.ErrorType
+import codeql.swift.elements.expr.ExistentialMetatypeToObjectExpr
+import codeql.swift.elements.type.ExistentialMetatypeType
+import codeql.swift.elements.type.ExistentialType
+import codeql.swift.elements.expr.ExplicitCastExpr
+import codeql.swift.elements.expr.Expr
+import codeql.swift.elements.pattern.ExprPattern
+import codeql.swift.elements.decl.ExtensionDecl
+import codeql.swift.elements.stmt.FailStmt
+import codeql.swift.elements.stmt.FallthroughStmt
+import codeql.swift.elements.File
+import codeql.swift.elements.expr.FloatLiteralExpr
+import codeql.swift.elements.stmt.ForEachStmt
+import codeql.swift.elements.expr.ForceTryExpr
+import codeql.swift.elements.expr.ForceValueExpr
+import codeql.swift.elements.expr.ForcedCheckedCastExpr
+import codeql.swift.elements.expr.ForeignObjectConversionExpr
+import codeql.swift.elements.decl.FuncDecl
+import codeql.swift.elements.expr.FunctionConversionExpr
+import codeql.swift.elements.type.FunctionType
+import codeql.swift.elements.decl.GenericContext
+import codeql.swift.elements.type.GenericFunctionType
+import codeql.swift.elements.decl.GenericTypeDecl
+import codeql.swift.elements.decl.GenericTypeParamDecl
+import codeql.swift.elements.type.GenericTypeParamType
+import codeql.swift.elements.stmt.GuardStmt
+import codeql.swift.elements.expr.IdentityExpr
+import codeql.swift.elements.decl.IfConfigDecl
+import codeql.swift.elements.expr.IfExpr
+import codeql.swift.elements.stmt.IfStmt
+import codeql.swift.elements.expr.ImplicitConversionExpr
+import codeql.swift.elements.decl.ImportDecl
+import codeql.swift.elements.expr.InOutExpr
+import codeql.swift.elements.expr.InOutToPointerExpr
+import codeql.swift.elements.type.InOutType
+import codeql.swift.elements.decl.InfixOperatorDecl
+import codeql.swift.elements.expr.InjectIntoOptionalExpr
+import codeql.swift.elements.expr.IntegerLiteralExpr
+import codeql.swift.elements.expr.InterpolatedStringLiteralExpr
+import codeql.swift.elements.expr.IsExpr
+import codeql.swift.elements.pattern.IsPattern
+import codeql.swift.elements.decl.IterableDeclContext
+import codeql.swift.elements.expr.KeyPathApplicationExpr
+import codeql.swift.elements.expr.KeyPathDotExpr
+import codeql.swift.elements.expr.KeyPathExpr
+import codeql.swift.elements.type.LValueType
+import codeql.swift.elements.stmt.LabeledConditionalStmt
+import codeql.swift.elements.stmt.LabeledStmt
+import codeql.swift.elements.expr.LazyInitializerExpr
+import codeql.swift.elements.expr.LinearFunctionExpr
+import codeql.swift.elements.expr.LinearFunctionExtractOriginalExpr
+import codeql.swift.elements.expr.LinearToDifferentiableFunctionExpr
+import codeql.swift.elements.expr.LiteralExpr
+import codeql.swift.elements.expr.LoadExpr
+import codeql.swift.elements.Locatable
+import codeql.swift.elements.Location
+import codeql.swift.elements.expr.LookupExpr
+import codeql.swift.elements.expr.MagicIdentifierLiteralExpr
+import codeql.swift.elements.expr.MakeTemporarilyEscapableExpr
+import codeql.swift.elements.expr.MemberRefExpr
+import codeql.swift.elements.expr.MetatypeConversionExpr
+import codeql.swift.elements.type.MetatypeType
+import codeql.swift.elements.decl.MissingMemberDecl
+import codeql.swift.elements.decl.ModuleDecl
+import codeql.swift.elements.type.ModuleType
+import codeql.swift.elements.pattern.NamedPattern
+import codeql.swift.elements.type.NestedArchetypeType
+import codeql.swift.elements.expr.NilLiteralExpr
+import codeql.swift.elements.type.NominalOrBoundGenericNominalType
+import codeql.swift.elements.type.NominalType
+import codeql.swift.elements.decl.NominalTypeDecl
+import codeql.swift.elements.expr.NumberLiteralExpr
+import codeql.swift.elements.expr.ObjCSelectorExpr
+import codeql.swift.elements.expr.ObjectLiteralExpr
+import codeql.swift.elements.expr.OneWayExpr
+import codeql.swift.elements.type.OpaqueTypeArchetypeType
+import codeql.swift.elements.decl.OpaqueTypeDecl
+import codeql.swift.elements.expr.OpaqueValueExpr
+import codeql.swift.elements.expr.OpenExistentialExpr
+import codeql.swift.elements.type.OpenedArchetypeType
+import codeql.swift.elements.decl.OperatorDecl
+import codeql.swift.elements.expr.OptionalEvaluationExpr
+import codeql.swift.elements.pattern.OptionalSomePattern
+import codeql.swift.elements.expr.OptionalTryExpr
+import codeql.swift.elements.type.OptionalType
+import codeql.swift.elements.expr.OtherConstructorDeclRefExpr
+import codeql.swift.elements.expr.OverloadSetRefExpr
+import codeql.swift.elements.expr.OverloadedDeclRefExpr
+import codeql.swift.elements.decl.ParamDecl
+import codeql.swift.elements.expr.ParenExpr
+import codeql.swift.elements.pattern.ParenPattern
+import codeql.swift.elements.type.ParenType
+import codeql.swift.elements.pattern.Pattern
+import codeql.swift.elements.decl.PatternBindingDecl
+import codeql.swift.elements.type.PlaceholderType
+import codeql.swift.elements.expr.PointerToPointerExpr
+import codeql.swift.elements.decl.PostfixOperatorDecl
+import codeql.swift.elements.expr.PostfixUnaryExpr
+import codeql.swift.elements.stmt.PoundAssertStmt
+import codeql.swift.elements.decl.PoundDiagnosticDecl
+import codeql.swift.elements.decl.PrecedenceGroupDecl
+import codeql.swift.elements.decl.PrefixOperatorDecl
+import codeql.swift.elements.expr.PrefixUnaryExpr
+import codeql.swift.elements.type.PrimaryArchetypeType
+import codeql.swift.elements.expr.PropertyWrapperValuePlaceholderExpr
+import codeql.swift.elements.type.ProtocolCompositionType
+import codeql.swift.elements.decl.ProtocolDecl
+import codeql.swift.elements.expr.ProtocolMetatypeToObjectExpr
+import codeql.swift.elements.type.ProtocolType
+import codeql.swift.elements.expr.RebindSelfInConstructorExpr
+import codeql.swift.elements.type.ReferenceStorageType
+import codeql.swift.elements.expr.RegexLiteralExpr
+import codeql.swift.elements.stmt.RepeatWhileStmt
+import codeql.swift.elements.stmt.ReturnStmt
+import codeql.swift.elements.expr.SelfApplyExpr
+import codeql.swift.elements.type.SequenceArchetypeType
+import codeql.swift.elements.expr.SequenceExpr
+import codeql.swift.elements.type.SilBlockStorageType
+import codeql.swift.elements.type.SilBoxType
+import codeql.swift.elements.type.SilFunctionType
+import codeql.swift.elements.type.SilTokenType
+import codeql.swift.elements.stmt.Stmt
+import codeql.swift.elements.stmt.StmtCondition
+import codeql.swift.elements.expr.StringLiteralExpr
+import codeql.swift.elements.expr.StringToPointerExpr
+import codeql.swift.elements.decl.StructDecl
+import codeql.swift.elements.type.StructType
+import codeql.swift.elements.decl.SubscriptDecl
+import codeql.swift.elements.expr.SubscriptExpr
+import codeql.swift.elements.type.SubstitutableType
+import codeql.swift.elements.type.SugarType
+import codeql.swift.elements.expr.SuperRefExpr
+import codeql.swift.elements.stmt.SwitchStmt
+import codeql.swift.elements.type.SyntaxSugarType
+import codeql.swift.elements.expr.TapExpr
+import codeql.swift.elements.stmt.ThrowStmt
+import codeql.swift.elements.decl.TopLevelCodeDecl
+import codeql.swift.elements.expr.TryExpr
+import codeql.swift.elements.expr.TupleElementExpr
+import codeql.swift.elements.expr.TupleExpr
+import codeql.swift.elements.pattern.TuplePattern
+import codeql.swift.elements.type.TupleType
+import codeql.swift.elements.type.Type
+import codeql.swift.elements.decl.TypeAliasDecl
+import codeql.swift.elements.type.TypeAliasType
+import codeql.swift.elements.decl.TypeDecl
+import codeql.swift.elements.expr.TypeExpr
+import codeql.swift.elements.typerepr.TypeRepr
+import codeql.swift.elements.type.TypeVariableType
+import codeql.swift.elements.pattern.TypedPattern
+import codeql.swift.elements.type.UnarySyntaxSugarType
+import codeql.swift.elements.type.UnboundGenericType
+import codeql.swift.elements.expr.UnderlyingToOpaqueExpr
+import codeql.swift.elements.expr.UnevaluatedInstanceExpr
+import codeql.swift.elements.UnknownAstNode
+import codeql.swift.elements.type.UnknownType
+import codeql.swift.elements.type.UnmanagedStorageType
+import codeql.swift.elements.type.UnownedStorageType
+import codeql.swift.elements.expr.UnresolvedDeclRefExpr
+import codeql.swift.elements.expr.UnresolvedDotExpr
+import codeql.swift.elements.expr.UnresolvedMemberChainResultExpr
+import codeql.swift.elements.expr.UnresolvedMemberExpr
+import codeql.swift.elements.expr.UnresolvedPatternExpr
+import codeql.swift.elements.expr.UnresolvedSpecializeExpr
+import codeql.swift.elements.type.UnresolvedType
+import codeql.swift.elements.expr.UnresolvedTypeConversionExpr
+import codeql.swift.elements.decl.ValueDecl
+import codeql.swift.elements.decl.VarDecl
+import codeql.swift.elements.expr.VarargExpansionExpr
+import codeql.swift.elements.type.VariadicSequenceType
+import codeql.swift.elements.type.WeakStorageType
+import codeql.swift.elements.stmt.WhileStmt
+import codeql.swift.elements.stmt.YieldStmt

swift/ql/lib/codeql/swift/elements/AstNode.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.AstNode
+
+class AstNode extends AstNodeBase { }

swift/ql/lib/codeql/swift/elements/Element.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.Element
+
+class Element extends ElementBase { }

swift/ql/lib/codeql/swift/elements/File.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.File
+
+class File extends FileBase { }

swift/ql/lib/codeql/swift/elements/Locatable.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.Locatable
+
+class Locatable extends LocatableBase { }

swift/ql/lib/codeql/swift/elements/Location.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.Location
+
+class Location extends LocationBase { }

swift/ql/lib/codeql/swift/elements/UnknownAstNode.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.UnknownAstNode
+
+class UnknownAstNode extends UnknownAstNodeBase { }

swift/ql/lib/codeql/swift/elements/decl/AbstractFunctionDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.AbstractFunctionDecl
+
+class AbstractFunctionDecl extends AbstractFunctionDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/AbstractStorageDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.AbstractStorageDecl
+
+class AbstractStorageDecl extends AbstractStorageDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/AbstractTypeParamDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.AbstractTypeParamDecl
+
+class AbstractTypeParamDecl extends AbstractTypeParamDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/AccessorDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.AccessorDecl
+
+class AccessorDecl extends AccessorDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/AssociatedTypeDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.AssociatedTypeDecl
+
+class AssociatedTypeDecl extends AssociatedTypeDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/ClassDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.ClassDecl
+
+class ClassDecl extends ClassDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/ConcreteFuncDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.ConcreteFuncDecl
+
+class ConcreteFuncDecl extends ConcreteFuncDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/ConcreteVarDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.ConcreteVarDecl
+
+class ConcreteVarDecl extends ConcreteVarDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/ConstructorDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.ConstructorDecl
+
+class ConstructorDecl extends ConstructorDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/Decl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.Decl
+
+class Decl extends DeclBase { }

swift/ql/lib/codeql/swift/elements/decl/DestructorDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.DestructorDecl
+
+class DestructorDecl extends DestructorDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/EnumCaseDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.EnumCaseDecl
+
+class EnumCaseDecl extends EnumCaseDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/EnumDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.EnumDecl
+
+class EnumDecl extends EnumDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/EnumElementDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.EnumElementDecl
+
+class EnumElementDecl extends EnumElementDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/ExtensionDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.ExtensionDecl
+
+class ExtensionDecl extends ExtensionDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/FuncDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.FuncDecl
+
+class FuncDecl extends FuncDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/GenericContext.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.GenericContext
+
+class GenericContext extends GenericContextBase { }

swift/ql/lib/codeql/swift/elements/decl/GenericTypeDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.GenericTypeDecl
+
+class GenericTypeDecl extends GenericTypeDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/GenericTypeParamDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.GenericTypeParamDecl
+
+class GenericTypeParamDecl extends GenericTypeParamDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/IfConfigDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.IfConfigDecl
+
+class IfConfigDecl extends IfConfigDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/ImportDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.ImportDecl
+
+class ImportDecl extends ImportDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/InfixOperatorDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.InfixOperatorDecl
+
+class InfixOperatorDecl extends InfixOperatorDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/IterableDeclContext.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.IterableDeclContext
+
+class IterableDeclContext extends IterableDeclContextBase { }

swift/ql/lib/codeql/swift/elements/decl/MissingMemberDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.MissingMemberDecl
+
+class MissingMemberDecl extends MissingMemberDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/ModuleDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.ModuleDecl
+
+class ModuleDecl extends ModuleDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/NominalTypeDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.NominalTypeDecl
+
+class NominalTypeDecl extends NominalTypeDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/OpaqueTypeDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.OpaqueTypeDecl
+
+class OpaqueTypeDecl extends OpaqueTypeDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/OperatorDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.OperatorDecl
+
+class OperatorDecl extends OperatorDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/ParamDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.ParamDecl
+
+class ParamDecl extends ParamDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/PatternBindingDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.PatternBindingDecl
+
+class PatternBindingDecl extends PatternBindingDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/PostfixOperatorDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.PostfixOperatorDecl
+
+class PostfixOperatorDecl extends PostfixOperatorDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/PoundDiagnosticDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.PoundDiagnosticDecl
+
+class PoundDiagnosticDecl extends PoundDiagnosticDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/PrecedenceGroupDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.PrecedenceGroupDecl
+
+class PrecedenceGroupDecl extends PrecedenceGroupDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/PrefixOperatorDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.PrefixOperatorDecl
+
+class PrefixOperatorDecl extends PrefixOperatorDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/ProtocolDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.ProtocolDecl
+
+class ProtocolDecl extends ProtocolDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/StructDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.StructDecl
+
+class StructDecl extends StructDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/SubscriptDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.SubscriptDecl
+
+class SubscriptDecl extends SubscriptDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/TopLevelCodeDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.TopLevelCodeDecl
+
+class TopLevelCodeDecl extends TopLevelCodeDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/TypeAliasDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.TypeAliasDecl
+
+class TypeAliasDecl extends TypeAliasDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/TypeDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.TypeDecl
+
+class TypeDecl extends TypeDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/ValueDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.ValueDecl
+
+class ValueDecl extends ValueDeclBase { }

swift/ql/lib/codeql/swift/elements/decl/VarDecl.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.decl.VarDecl
+
+class VarDecl extends VarDeclBase { }

swift/ql/lib/codeql/swift/elements/expr/AbstractClosureExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.AbstractClosureExpr
+
+class AbstractClosureExpr extends AbstractClosureExprBase { }

swift/ql/lib/codeql/swift/elements/expr/AnyHashableErasureExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.AnyHashableErasureExpr
+
+class AnyHashableErasureExpr extends AnyHashableErasureExprBase { }

swift/ql/lib/codeql/swift/elements/expr/AnyTryExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.AnyTryExpr
+
+class AnyTryExpr extends AnyTryExprBase { }

swift/ql/lib/codeql/swift/elements/expr/AppliedPropertyWrapperExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.AppliedPropertyWrapperExpr
+
+class AppliedPropertyWrapperExpr extends AppliedPropertyWrapperExprBase { }

swift/ql/lib/codeql/swift/elements/expr/ApplyExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.ApplyExpr
+
+class ApplyExpr extends ApplyExprBase { }

swift/ql/lib/codeql/swift/elements/expr/ArchetypeToSuperExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.ArchetypeToSuperExpr
+
+class ArchetypeToSuperExpr extends ArchetypeToSuperExprBase { }

swift/ql/lib/codeql/swift/elements/expr/Argument.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.Argument
+
+class Argument extends ArgumentBase { }

swift/ql/lib/codeql/swift/elements/expr/ArrayExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.ArrayExpr
+
+class ArrayExpr extends ArrayExprBase { }

swift/ql/lib/codeql/swift/elements/expr/ArrayToPointerExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.ArrayToPointerExpr
+
+class ArrayToPointerExpr extends ArrayToPointerExprBase { }

swift/ql/lib/codeql/swift/elements/expr/ArrowExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.ArrowExpr
+
+class ArrowExpr extends ArrowExprBase { }

swift/ql/lib/codeql/swift/elements/expr/AssignExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.AssignExpr
+
+class AssignExpr extends AssignExprBase { }

swift/ql/lib/codeql/swift/elements/expr/AutoClosureExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.AutoClosureExpr
+
+class AutoClosureExpr extends AutoClosureExprBase { }

swift/ql/lib/codeql/swift/elements/expr/AwaitExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.AwaitExpr
+
+class AwaitExpr extends AwaitExprBase { }

swift/ql/lib/codeql/swift/elements/expr/BinaryExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.BinaryExpr
+
+class BinaryExpr extends BinaryExprBase { }

swift/ql/lib/codeql/swift/elements/expr/BindOptionalExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.BindOptionalExpr
+
+class BindOptionalExpr extends BindOptionalExprBase { }

swift/ql/lib/codeql/swift/elements/expr/BooleanLiteralExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.BooleanLiteralExpr
+
+class BooleanLiteralExpr extends BooleanLiteralExprBase { }

swift/ql/lib/codeql/swift/elements/expr/BridgeFromObjCExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.BridgeFromObjCExpr
+
+class BridgeFromObjCExpr extends BridgeFromObjCExprBase { }

swift/ql/lib/codeql/swift/elements/expr/BridgeToObjCExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.BridgeToObjCExpr
+
+class BridgeToObjCExpr extends BridgeToObjCExprBase { }

swift/ql/lib/codeql/swift/elements/expr/BuiltinLiteralExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.BuiltinLiteralExpr
+
+class BuiltinLiteralExpr extends BuiltinLiteralExprBase { }

swift/ql/lib/codeql/swift/elements/expr/CallExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.CallExpr
+
+class CallExpr extends CallExprBase { }

swift/ql/lib/codeql/swift/elements/expr/CaptureListExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.CaptureListExpr
+
+class CaptureListExpr extends CaptureListExprBase { }

swift/ql/lib/codeql/swift/elements/expr/CheckedCastExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.CheckedCastExpr
+
+class CheckedCastExpr extends CheckedCastExprBase { }

swift/ql/lib/codeql/swift/elements/expr/ClassMetatypeToObjectExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.ClassMetatypeToObjectExpr
+
+class ClassMetatypeToObjectExpr extends ClassMetatypeToObjectExprBase { }

swift/ql/lib/codeql/swift/elements/expr/ClosureExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.ClosureExpr
+
+class ClosureExpr extends ClosureExprBase { }

swift/ql/lib/codeql/swift/elements/expr/CodeCompletionExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.CodeCompletionExpr
+
+class CodeCompletionExpr extends CodeCompletionExprBase { }

swift/ql/lib/codeql/swift/elements/expr/CoerceExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.CoerceExpr
+
+class CoerceExpr extends CoerceExprBase { }

swift/ql/lib/codeql/swift/elements/expr/CollectionExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.CollectionExpr
+
+class CollectionExpr extends CollectionExprBase { }

swift/ql/lib/codeql/swift/elements/expr/CollectionUpcastConversionExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.CollectionUpcastConversionExpr
+
+class CollectionUpcastConversionExpr extends CollectionUpcastConversionExprBase { }

swift/ql/lib/codeql/swift/elements/expr/ConditionalBridgeFromObjCExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.ConditionalBridgeFromObjCExpr
+
+class ConditionalBridgeFromObjCExpr extends ConditionalBridgeFromObjCExprBase { }

swift/ql/lib/codeql/swift/elements/expr/ConditionalCheckedCastExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.ConditionalCheckedCastExpr
+
+class ConditionalCheckedCastExpr extends ConditionalCheckedCastExprBase { }

swift/ql/lib/codeql/swift/elements/expr/ConstructorRefCallExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.ConstructorRefCallExpr
+
+class ConstructorRefCallExpr extends ConstructorRefCallExprBase { }

swift/ql/lib/codeql/swift/elements/expr/CovariantFunctionConversionExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.CovariantFunctionConversionExpr
+
+class CovariantFunctionConversionExpr extends CovariantFunctionConversionExprBase { }

swift/ql/lib/codeql/swift/elements/expr/CovariantReturnConversionExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.CovariantReturnConversionExpr
+
+class CovariantReturnConversionExpr extends CovariantReturnConversionExprBase { }

swift/ql/lib/codeql/swift/elements/expr/DeclRefExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.DeclRefExpr
+
+class DeclRefExpr extends DeclRefExprBase { }

swift/ql/lib/codeql/swift/elements/expr/DefaultArgumentExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.DefaultArgumentExpr
+
+class DefaultArgumentExpr extends DefaultArgumentExprBase { }

swift/ql/lib/codeql/swift/elements/expr/DerivedToBaseExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.DerivedToBaseExpr
+
+class DerivedToBaseExpr extends DerivedToBaseExprBase { }

swift/ql/lib/codeql/swift/elements/expr/DestructureTupleExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.DestructureTupleExpr
+
+class DestructureTupleExpr extends DestructureTupleExprBase { }

swift/ql/lib/codeql/swift/elements/expr/DictionaryExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.DictionaryExpr
+
+class DictionaryExpr extends DictionaryExprBase { }

swift/ql/lib/codeql/swift/elements/expr/DifferentiableFunctionExpr.qll

@@ -0,0 +1,4 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+private import codeql.swift.generated.expr.DifferentiableFunctionExpr
+
+class DifferentiableFunctionExpr extends DifferentiableFunctionExprBase { }

swift/ql/lib/codeql/swift/elements/expr/DifferentiableFunctionExtractOriginalExpr.qll

@@ -0,0 +1,4 @@
+private import codeql.swift.generated.expr.DifferentiableFunctionExtractOriginalExpr
+
+class DifferentiableFunctionExtractOriginalExpr extends DifferentiableFunctionExtractOriginalExprBase {
+}