From 1805b8e549e6b5c0a53b2f735b8f2eb725f40b2e Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Wed, 15 Aug 2018 23:59:20 +0300
Subject: [PATCH] Use covariant return type for Condition::clone

---
 source/choicecondition.h | 6 +++---
 source/condition.cpp     | 6 +++---
 source/condition.h       | 6 +++---
 source/rangecondition.h  | 4 ++--
 4 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/source/choicecondition.h b/source/choicecondition.h
index 6e2954d..170af0e 100644
--- a/source/choicecondition.h
+++ b/source/choicecondition.h
@@ -17,7 +17,7 @@ private:
 public:
 	ChoiceCondition(Type);
 
-	virtual Condition *clone() const;
+	virtual ChoiceCondition<T> *clone() const;
 	virtual bool can_merge(const Condition &, const CompoundCondition &) const;
 	virtual void add_lines(std::list<FilterStatement> &) const;
 	virtual void add_merged_lines(const std::vector<Condition *> &, const CompoundCondition &, std::list<FilterStatement> &) const;
@@ -48,9 +48,9 @@ ChoiceCondition<T>::ChoiceCondition(Type v):
 { }
 
 template<typename T>
-Condition *ChoiceCondition<T>::clone() const
+ChoiceCondition<T> *ChoiceCondition<T>::clone() const
 {
-	return new ChoiceCondition<T>(values);
+	return new ChoiceCondition<T>(value);
 }
 
 template<typename T>
diff --git a/source/condition.cpp b/source/condition.cpp
index 9ff02aa..be5a29f 100644
--- a/source/condition.cpp
+++ b/source/condition.cpp
@@ -22,7 +22,7 @@ void CompoundCondition::add(Condition *cond)
 }
 
 
-Condition *AndCondition::clone() const
+AndCondition *AndCondition::clone() const
 {
 	AndCondition *result = new AndCondition;
 	clone_to(*result);
@@ -36,7 +36,7 @@ void AndCondition::add_lines(list<FilterStatement> &st) const
 }
 
 
-Condition *OrCondition::clone() const
+OrCondition *OrCondition::clone() const
 {
 	OrCondition *result = new OrCondition;
 	clone_to(*result);
@@ -69,7 +69,7 @@ LinkedColorsCondition::LinkedColorsCondition(const Colors &c):
 	colors(c)
 { }
 
-Condition *LinkedColorsCondition::clone() const
+LinkedColorsCondition *LinkedColorsCondition::clone() const
 {
 	return new LinkedColorsCondition(colors);
 }
diff --git a/source/condition.h b/source/condition.h
index 90c844e..53f2a8a 100644
--- a/source/condition.h
+++ b/source/condition.h
@@ -43,7 +43,7 @@ public:
 class AndCondition: public CompoundCondition
 {
 public:
-	virtual Condition *clone() const;
+	virtual AndCondition *clone() const;
 	virtual void add_lines(std::list<FilterStatement> &) const;
 };
 
@@ -51,7 +51,7 @@ public:
 class OrCondition: public CompoundCondition
 {
 public:
-	virtual Condition *clone() const;
+	virtual OrCondition *clone() const;
 	virtual void add_lines(std::list<FilterStatement> &) const;
 };
 
@@ -70,7 +70,7 @@ private:
 public:
 	LinkedColorsCondition(const Colors &);
 
-	virtual Condition *clone() const;
+	virtual LinkedColorsCondition *clone() const;
 	virtual void add_lines(std::list<FilterStatement> &) const;
 };
 
diff --git a/source/rangecondition.h b/source/rangecondition.h
index c107287..0d93994 100644
--- a/source/rangecondition.h
+++ b/source/rangecondition.h
@@ -19,7 +19,7 @@ public:
 	RangeCondition(Type);
 	RangeCondition(Type, Type);
 
-	virtual Condition *clone() const;
+	virtual RangeCondition<T> *clone() const;
 	virtual void add_lines(std::list<FilterStatement> &) const;
 };
 
@@ -125,7 +125,7 @@ RangeCondition<T>::RangeCondition(Type n, Type x):
 { }
 
 template<typename T>
-Condition *RangeCondition<T>::clone() const
+RangeCondition<T> *RangeCondition<T>::clone() const
 {
 	return new RangeCondition<T>(min, max);
 }
-- 
2.43.0