Swift: extract SingleValueStmtExpr

Author: AlexDenisov

swift/extractor/infra/SwiftTagTraits.h

@@ -205,7 +205,7 @@ MAP(swift::Expr, ExprTag)
   MAP(swift::CopyExpr, void)  // TODO (introduced in 5.9)
   MAP(swift::ConsumeExpr, void)  // TODO (introduced in 5.9)
   MAP(swift::MaterializePackExpr, void)  // TODO (introduced in 5.9)
-  MAP(swift::SingleValueStmtExpr, void)  // TODO (introduced in 5.9)
+  MAP(swift::SingleValueStmtExpr, SingleValueStmtExprTag)
 #endif
 
 MAP(swift::Decl, DeclTag)

swift/extractor/translators/ExprTranslator.cpp

@@ -636,4 +636,11 @@ codeql::RegexLiteralExpr ExprTranslator::translateRegexLiteralExpr(
   return entry;
 }
 
+codeql::SingleValueStmtExpr ExprTranslator::translateSingleValueStmtExpr(
+    const swift::SingleValueStmtExpr& expr) {
+  auto entry = createExprEntry(expr);
+  entry.stmt = dispatcher.fetchLabel(expr.getStmt());
+  return entry;
+}
+
 }  // namespace codeql

swift/extractor/translators/ExprTranslator.h

@@ -119,6 +119,7 @@ class ExprTranslator : public AstTranslatorBase<ExprTranslator> {
   codeql::AppliedPropertyWrapperExpr translateAppliedPropertyWrapperExpr(
       const swift::AppliedPropertyWrapperExpr& expr);
   codeql::RegexLiteralExpr translateRegexLiteralExpr(const swift::RegexLiteralExpr& expr);
+  codeql::SingleValueStmtExpr translateSingleValueStmtExpr(const swift::SingleValueStmtExpr& expr);
 
  private:
   void fillClosureExpr(const swift::AbstractClosureExpr& expr, codeql::ClosureExpr& entry);