Implemented a SetCrashOnFail(bool) method for Hazelnupp

Hazelnupp/Hazelnupp.cpp

@@ -61,15 +61,25 @@ void Hazelnupp::Parse(const int argc, const char* const* argv)
 		ApplyConstraints();
 	}
 	catch (const HazelnuppConstraintTypeMissmatch& hctm)
+	{
+		if (crashOnFail)
 		{
 			std::cerr << "Fatal error: Command-line parameter value-type mismatch at \"" << hctm.What() << "\"!";
 			quick_exit(-1009);
 		}
+		else
+			throw hctm; // yeet
+	}
 	catch (const HazelnuppConstraintMissingValue& hctm)
+	{
+		if (crashOnFail)
 		{
 			std::cerr << "Fatal error: Missing required command-line parameter \"" << hctm.What() << "\"!";
 			quick_exit(-1010);
 		}
+		else
+			throw hctm; // yeet
+	}
 
 	return;
 }
@@ -259,6 +269,11 @@ Value* Hazelnupp::ParseValue(const std::vector<std::string>& values, const Param
 	return nullptr;
 }
 
+bool Hazelnupp::GetCrashOnFail() const
+{
+	return crashOnFail;
+}
+
 void Hazelnupp::ApplyConstraints()
 {
 	// Enforce required parameters / default values
@@ -356,6 +371,12 @@ void Hazelnupp::ClearConstraints()
 	return;
 }
 
+void Hazelnupp::SetCrashOnFail(bool crashOnFail)
+{
+	this->crashOnFail = crashOnFail;
+	return;
+}
+
 const ParamConstraint* Hazelnupp::GetConstraintForKey(const std::string& key) const
 {
 	const auto constraint = constraints.find(key);

Hazelnupp/Hazelnupp.h

@@ -43,6 +43,13 @@ public:
 	//! Will delete all constraints
 	void ClearConstraints();
 
+	//! Sets whether to crash the application, and print to stderr, when an exception is 
+	//! raised whilst parsing, or not.
+	void SetCrashOnFail(bool crashOnFail);
+
+	//! Gets whether the application crashes on an exception whilst parsing, and prints to stderr.
+	bool GetCrashOnFail() const;
+
 private:
 	//! Will translate the c-like args to an std::vector
 	void PopulateRawArgs(const int argc, const char* const* argv);
@@ -72,4 +79,7 @@ private:
 	std::unordered_map<std::string, ParamConstraint> constraints;
 
 	std::vector<std::string> rawArgs;
+
+	//! If set to true, Hazelnupp will crash the application with output to stderr when an exception is thrown whilst parsing.
+	bool crashOnFail = true;
 };