diff --git a/src/plugins/texteditor/highlighter.cpp b/src/plugins/texteditor/highlighter.cpp
index 5c88110b8a6..c88a5aacb59 100644
--- a/src/plugins/texteditor/highlighter.cpp
+++ b/src/plugins/texteditor/highlighter.cpp
@@ -121,6 +121,27 @@ Highlighter::Definition Highlighter::definitionForFileName(const QString &fileNa
     return highlightRepository()->definitionForFileName(fileName);
 }
 
+Highlighter::Definitions Highlighter::definitionsForDocument(const TextDocument *document)
+{
+    const Utils::MimeType mimeType = Utils::mimeTypeForName(document->mimeType());
+    Definitions definitions;
+    if (mimeType.isValid())
+        definitions = Highlighter::definitionsForMimeType(mimeType.name());
+    if (definitions.isEmpty())
+        definitions = Highlighter::definitionsForFileName(document->filePath().fileName());
+    return definitions;
+}
+
+Highlighter::Definitions Highlighter::definitionsForMimeType(const QString &mimeType)
+{
+    return highlightRepository()->definitionsForMimeType(mimeType).toList();
+}
+
+Highlighter::Definitions Highlighter::definitionsForFileName(const QString &fileName)
+{
+    return highlightRepository()->definitionsForFileName(fileName).toList();
+}
+
 void Highlighter::addCustomHighlighterPath(const Utils::FileName &path)
 {
     highlightRepository()->addCustomSearchPath(path.toString());
diff --git a/src/plugins/texteditor/highlighter.h b/src/plugins/texteditor/highlighter.h
index 22fd23b26fe..cec2b0fb698 100644
--- a/src/plugins/texteditor/highlighter.h
+++ b/src/plugins/texteditor/highlighter.h
@@ -40,12 +40,17 @@ class Highlighter : public SyntaxHighlighter, public KSyntaxHighlighting::Abstra
 {
 public:
     using Definition = KSyntaxHighlighting::Definition;
+    using Definitions = QList<Definition>;
     Highlighter();
 
     static Definition definitionForDocument(const TextDocument *document);
     static Definition definitionForMimeType(const QString &mimeType);
     static Definition definitionForFileName(const QString &fileName);
 
+    static Definitions definitionsForDocument(const TextDocument *document);
+    static Definitions definitionsForMimeType(const QString &mimeType);
+    static Definitions definitionsForFileName(const QString &fileName);
+
     static void addCustomHighlighterPath(const Utils::FileName &path);
     static void updateDefinitions(std::function<void()> callback = nullptr);