Show the mode syntax in ERR_INVALIDMODEPARAM.

1 files changed, 6 insertions, 0 deletions

diff --git a/include/mode.h b/include/mode.h
index fe02838b2..683f4b55b 100644
--- a/include/mode.h
+++ b/include/mode.h
@@ -154,6 +154,9 @@ class CoreExport ModeHandler : public ServiceProvider
 	/** The prefix rank required to unset this mode on channels. */
 	unsigned int ranktounset;
 
+	/** If non-empty then the syntax of the parameter for this mode. */
+	std::string syntax;
+
  public:
 	/**
 	 * The constructor for ModeHandler initalizes the mode handler.
@@ -329,6 +332,9 @@ class CoreExport ModeHandler : public ServiceProvider
 		return adding ? ranktoset : ranktounset;
 	}
 
+	/** Retrieves the syntax of the parameter for this mode. */
+	const std::string& GetSyntax() const { return syntax; }
+
 	friend class ModeParser;
 };