diff options
Diffstat (limited to 'Source/Core/InputCommon/ControlReference/ControlReference.h')
| -rw-r--r-- | Source/Core/InputCommon/ControlReference/ControlReference.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Source/Core/InputCommon/ControlReference/ControlReference.h b/Source/Core/InputCommon/ControlReference/ControlReference.h index de289ba265..fb4b5cc1df 100644 --- a/Source/Core/InputCommon/ControlReference/ControlReference.h +++ b/Source/Core/InputCommon/ControlReference/ControlReference.h @@ -38,7 +38,9 @@ public: ciface::ExpressionParser::ParseStatus GetParseStatus() const; void UpdateReference(ciface::ExpressionParser::ControlEnvironment& env); std::string GetExpression() const; - void SetExpression(std::string expr); + + // Returns a human-readable error description when the given expression is invalid. + std::optional<std::string> SetExpression(std::string expr); ControlState range; |