Enforce parameter case

.clang-tidy

@@ -14,5 +14,6 @@ Checks: >
 CheckOptions:
   - { key: readability-identifier-naming.ClassCase,           value: CamelCase }
   - { key: readability-identifier-naming.FunctionCase,        value: camelBack }
+  - { key: readability-identifier-naming.ParameterCase,       value: camelBack }
 HeaderFilterRegex: '.*'
 WarningsAsErrors: '*'

include/SFML/Graphics/Glsl.inl

@@ -102,15 +102,18 @@ struct Vector4
     ////////////////////////////////////////////////////////////
     /// \brief Construct from 4 vector components
     ///
-    /// \param X Component of the 4D vector
+    /// \param x Component of the 4D vector
-    /// \param Y Component of the 4D vector
+    /// \param y Component of the 4D vector
-    /// \param Z Component of the 4D vector
+    /// \param z Component of the 4D vector
-    /// \param W Component of the 4D vector
+    /// \param w Component of the 4D vector
     ///
     ////////////////////////////////////////////////////////////
-    Vector4(T X, T Y, T Z, T W) : x(X), y(Y), z(Z), w(W)
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wshadow"
+    Vector4(T x, T y, T z, T w) : x(x), y(y), z(z), w(w)
     {
     }
+#pragma GCC diagnostic pop
 
     ////////////////////////////////////////////////////////////
     /// \brief Conversion constructor

include/SFML/System/Utf.hpp

@@ -41,7 +41,7 @@ namespace sf
 namespace priv
 {
 template <class InputIt, class OutputIt>
-OutputIt copy(InputIt first, InputIt last, OutputIt d_first);
+OutputIt copy(InputIt first, InputIt last, OutputIt dFirst);
 }
 
 template <unsigned int N>

include/SFML/System/Utf.inl

@@ -36,12 +36,12 @@
 
 ////////////////////////////////////////////////////////////
 template <typename InputIt, typename OutputIt>
-OutputIt priv::copy(InputIt first, InputIt last, OutputIt d_first)
+OutputIt priv::copy(InputIt first, InputIt last, OutputIt dFirst)
 {
     while (first != last)
-        *d_first++ = static_cast<typename OutputIt::container_type::value_type>(*first++);
+        *dFirst++ = static_cast<typename OutputIt::container_type::value_type>(*first++);
 
-    return d_first;
+    return dFirst;
 }
 
 template <typename In>

include/SFML/System/Vector2.hpp

@@ -54,11 +54,11 @@ public:
     ////////////////////////////////////////////////////////////
     /// \brief Construct the vector from cartesian coordinates
     ///
-    /// \param X X coordinate
+    /// \param x X coordinate
-    /// \param Y Y coordinate
+    /// \param y Y coordinate
     ///
     ////////////////////////////////////////////////////////////
-    constexpr Vector2(T X, T Y);
+    constexpr Vector2(T x, T y);
 
     ////////////////////////////////////////////////////////////
     /// \brief Construct the vector from another type of vector

include/SFML/System/Vector2.inl

@@ -31,10 +31,13 @@ constexpr Vector2<T>::Vector2() : x(0), y(0)
 
 
 ////////////////////////////////////////////////////////////
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wshadow"
 template <typename T>
-constexpr Vector2<T>::Vector2(T X, T Y) : x(X), y(Y)
+constexpr Vector2<T>::Vector2(T x, T y) : x(x), y(y)
 {
 }
+#pragma GCC diagnostic pop
 
 
 ////////////////////////////////////////////////////////////

include/SFML/System/Vector3.hpp

@@ -51,12 +51,12 @@ public:
     ////////////////////////////////////////////////////////////
     /// \brief Construct the vector from its coordinates
     ///
-    /// \param X X coordinate
+    /// \param x X coordinate
-    /// \param Y Y coordinate
+    /// \param y Y coordinate
-    /// \param Z Z coordinate
+    /// \param z Z coordinate
     ///
     ////////////////////////////////////////////////////////////
-    constexpr Vector3(T X, T Y, T Z);
+    constexpr Vector3(T x, T y, T z);
 
     ////////////////////////////////////////////////////////////
     /// \brief Construct the vector from another type of vector

include/SFML/System/Vector3.inl

@@ -31,10 +31,13 @@ constexpr Vector3<T>::Vector3() : x(0), y(0), z(0)
 
 
 ////////////////////////////////////////////////////////////
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wshadow"
 template <typename T>
-constexpr Vector3<T>::Vector3(T X, T Y, T Z) : x(X), y(Y), z(Z)
+constexpr Vector3<T>::Vector3(T x, T y, T z) : x(x), y(y), z(z)
 {
 }
+#pragma GCC diagnostic pop
 
 
 ////////////////////////////////////////////////////////////