Merge branch 'main' into typealiastests

Author: geoffw0

CODEOWNERS

@@ -2,9 +2,9 @@
 /csharp/ @github/codeql-csharp
 /go/ @github/codeql-go
 /java/ @github/codeql-java
-/javascript/ @github/codeql-dynamic
-/python/ @github/codeql-dynamic
-/ruby/ @github/codeql-dynamic
+/javascript/ @github/codeql-javascript
+/python/ @github/codeql-python
+/ruby/ @github/codeql-ruby
 /swift/ @github/codeql-swift
 /misc/codegen/ @github/codeql-swift
 /java/kotlin-extractor/ @github/codeql-kotlin

javascript/extractor/src/com/semmle/js/extractor/AutoBuild.java

@@ -1234,7 +1234,8 @@ private void doExtract(FileExtractor extractor, Path file, ExtractorState state)
       ParseResultInfo loc = extractor.extract(f, state);
       if (!extractor.getConfig().isExterns() && (loc == null || loc.getLinesOfCode() != 0)) seenCode = true;
       if (!extractor.getConfig().isExterns()) seenFiles = true;
-      for (ParseError err : loc.getParseErrors()) {
+      List<ParseError> errors = loc == null ? Collections.emptyList() : loc.getParseErrors();
+      for (ParseError err : errors) {
         String msg = "A parse error occurred: " + StringUtil.escapeMarkdown(err.getMessage())
             + ". Check the syntax of the file. If the file is invalid, correct the error or [exclude](https://docs.github.com/en/code-security/code-scanning/automatically-scanning-your-code-for-vulnerabilities-and-errors/customizing-code-scanning) the file from analysis.";
         // file, relative to the source root

misc/codegen/templates/ql_db.mustache

@@ -5,6 +5,14 @@ module Raw {
     {{#final}}override string toString() { result = "{{name}}" }{{/final}}
 
     {{#properties}}
+    /**
+     * {{>ql_property_doc}}     *
+    {{#has_description}}
+    {{#description}}
+     * {{.}}
+    {{/description}}
+    {{/has_description}}
+     */
     {{type}} {{getter}}({{#is_repeated}}int index{{/is_repeated}}) {
       {{tablename}}({{#tableparams}}{{^first}}, {{/first}}{{param}}{{/tableparams}})
     }

swift/ql/.generated.list

@@ -385,7 +385,7 @@ ql/lib/codeql/swift/generated/OtherAvailabilitySpec.qll 0e26a203b26ff0581b7396b0
 ql/lib/codeql/swift/generated/ParentChild.qll adf8af53ce18086eb28e5fe204ad2089f2ab516622c16055ccfdd1335f5ac72b 6f7464ecd8ca04b6aa261139b36a162e5b0636237d514b8431ef4f97a1c603dc
 ql/lib/codeql/swift/generated/PlatformVersionAvailabilitySpec.qll f82d9ca416fe8bd59b5531b65b1c74c9f317b3297a6101544a11339a1cffce38 7f5c6d3309e66c134107afe55bae76dfc9a72cb7cdd6d4c3706b6b34cee09fa0
 ql/lib/codeql/swift/generated/PureSynthConstructors.qll 173c0dd59396a1de26fe870e3bc2766c46de689da2a4d8807cb62023bbce1a98 173c0dd59396a1de26fe870e3bc2766c46de689da2a4d8807cb62023bbce1a98
-ql/lib/codeql/swift/generated/Raw.qll 6fe6560ff3533df93afa67dd98494ce985f1e8e402c0a608b7c163d0473f87e8 b6f5a443c25d094b224bdea6a6eced4293391af7f5a702bc4978bca29c84b6b4
+ql/lib/codeql/swift/generated/Raw.qll 30813233f18677b073e78713fbf144cd6e85a2fcafcd7bb29573f1ac1915784e 7c63093ca4f7643567151516341f4ba74f935813928b6af274b19d44d0f24941
 ql/lib/codeql/swift/generated/Synth.qll af02e0b49fe7b488592687996cc74d9525d4e3fbc9d324820b310b356f4d2612 5c740a660721173e9e4e45eb701d373ca19ff14d61cdaea309b65871e0deea90
 ql/lib/codeql/swift/generated/SynthConstructors.qll a1b3ca33017f82124286ccad317a05484fee144fb9c3cdd2e500ce38e5efcec4 a1b3ca33017f82124286ccad317a05484fee144fb9c3cdd2e500ce38e5efcec4
 ql/lib/codeql/swift/generated/UnknownFile.qll 0fcf9beb8de79440bcdfff4bb6ab3dd139bd273e6c32754e05e6a632651e85f6 0fcf9beb8de79440bcdfff4bb6ab3dd139bd273e6c32754e05e6a632651e85f6

swift/ql/lib/codeql/swift/dataflow/internal/DataFlowPrivate.qll

@@ -400,6 +400,19 @@ private module ReturnNodes {
     override ReturnKind getKind() { result instanceof NormalReturnKind }
   }
 
+  /**
+   * A data-flow node that represents the `self` value in a constructor being
+   * implicitly returned as the newly-constructed object
+   */
+  class SelfReturnNode extends InoutReturnNodeImpl {
+    SelfReturnNode() {
+      exit.getScope() instanceof ConstructorDecl and
+      param instanceof SelfParamDecl
+    }
+
+    override ReturnKind getKind() { result instanceof NormalReturnKind }
+  }
+
   class InoutReturnNodeImpl extends ReturnNode, TInoutReturnNode, NodeImpl {
     ParamDecl param;
     ControlFlowNode exit;