Swift: share translateDiagnosticsKind with SwiftDiagnosticsConsumer

swift/extractor/infra/SwiftDiagnosticKind.h

@@ -0,0 +1,23 @@
+#pragma once
+
+#include <swift/AST/DiagnosticConsumer.h>
+
+namespace codeql {
+
+inline int translateDiagnosticsKind(swift::DiagnosticKind kind) {
+  using Kind = swift::DiagnosticKind;
+  switch (kind) {
+    case Kind::Error:
+      return 1;
+    case Kind::Warning:
+      return 2;
+    case Kind::Note:
+      return 3;
+    case Kind::Remark:
+      return 4;
+    default:
+      return 0;
+  }
+}
+
+}  // namespace codeql

swift/extractor/invocation/SwiftDiagnosticsConsumer.cpp

@@ -1,6 +1,7 @@
 #include "swift/extractor/invocation/SwiftDiagnosticsConsumer.h"
 #include "swift/extractor/trap/generated/TrapEntries.h"
 #include "swift/extractor/trap/TrapDomain.h"
+#include "swift/extractor/infra/SwiftDiagnosticKind.h"
 
 #include <swift/AST/DiagnosticEngine.h>
 #include <swift/Basic/SourceManager.h>
@@ -10,26 +11,12 @@
 
 using namespace codeql;
 
-static int diagnosticsKind(const swift::DiagnosticInfo& diagInfo) {
-  switch (diagInfo.Kind) {
-    case swift::DiagnosticKind::Error:
-      return 1;
-    case swift::DiagnosticKind::Warning:
-      return 2;
-    case swift::DiagnosticKind::Note:
-      return 3;
-    case swift::DiagnosticKind::Remark:
-      return 4;
-  }
-  return 0;
-}
-
 void SwiftDiagnosticsConsumer::handleDiagnostic(swift::SourceManager& sourceManager,
                                                 const swift::DiagnosticInfo& diagInfo) {
   auto message = getDiagMessage(sourceManager, diagInfo);
   DiagnosticsTrap diag{};
   diag.id = trap.createLabel<DiagnosticsTag>();
-  diag.kind = diagnosticsKind(diagInfo);
+  diag.kind = translateDiagnosticsKind(diagInfo.Kind);
   diag.text = message;
   trap.emit(diag);
   locationExtractor.attachLocation(sourceManager, diagInfo.Loc, diagInfo.Loc, diag.id);

swift/extractor/translators/DeclTranslator.cpp

@@ -2,6 +2,7 @@
 
 #include <swift/AST/GenericParamList.h>
 #include <swift/AST/ParameterList.h>
+#include "swift/extractor/infra/SwiftDiagnosticKind.h"
 
 namespace codeql {
 namespace {
@@ -401,17 +402,6 @@ std::optional<codeql::OpaqueTypeDecl> DeclTranslator::translateOpaqueTypeDecl(
   return std::nullopt;
 }
 
-static int translateDiagnosticsKind(swift::DiagnosticKind kind) {
-  switch (kind) {
-    case swift::DiagnosticKind::Error:
-      return 1;
-    case swift::DiagnosticKind::Warning:
-      return 2;
-    default:
-      return 0;
-  }
-}
-
 codeql::PoundDiagnosticDecl DeclTranslator::translatePoundDiagnosticDecl(
     const swift::PoundDiagnosticDecl& decl) {
   auto entry = createEntry(decl);
@@ -419,5 +409,4 @@ codeql::PoundDiagnosticDecl DeclTranslator::translatePoundDiagnosticDecl(
   entry.message = dispatcher.fetchLabel(decl.getMessage());
   return entry;
 }
-
 }  // namespace codeql