[lua] Add support for lua 5.5

std/lua/Math.hx

@@ -64,46 +64,75 @@ extern class Math {
 	**/
 	static function asin(x:Float):Float;
 
+	#if (lua_ver <= 5.2 || luajit)
 	/**
-		Returns the arc tangent of x (in radians).
+		Returns the arc tangent of y/x (in radians), using the signs of both arguments to find the quadrant of the result. It also handles correctly the case of x being zero.
+
+		The default value for x is 1, so that the call math.atan(y) returns the arc tangent of y.
+	**/
+	static function atan(y:Float):Float;
+	#else
+	/**
+		Returns the arc tangent of y/x (in radians), using the signs of both arguments to find the quadrant of the result. It also handles correctly the case of x being zero.
+
+		The default value for x is 1, so that the call math.atan(y) returns the arc tangent of y.
+
+		The x argument is ignored on lua 5.2 or older and luajit, where atan2 is available instead.
 	**/
-	static function atan(x:Float):Float;
+	static function atan(y:Float, ?x:Float):Float;
+	#end
 
+	#if !(lua_ver >= 5.5)
 	/**
 		Returns the arc tangent of y/x (in radians), but uses the signs of both parameters to find the quadrant of the result.
 		(It also handles correctly the case of x being zero.)
 	**/
+	#if (lua_ver >= 5.3)
+	@:deprecated("Deprecated in Lua 5.3, removed in Lua 5.5")
+	#end
 	static function atan2(y:Float, x:Float):Float;
+	#end
 
 	/**
 		Returns the cosine of x (assumed to be in radians).
 	**/
 	static function cos(x:Float):Float;
 
 	/**
-		Returns the hyperbolic cosine of x.
+		Returns the sine of x (assumed to be in radians).
 	**/
-	static function cosh(x:Float):Float;
+	static function sin(x:Float):Float;
 
 	/**
-		Returns the sine of x (assumed to be in radians).
+		Returns the tangent of x (assumed to be in radians)
 	**/
-	static function sin(x:Float):Float;
+	static function tan(x:Float):Float;
 
+	#if !(lua_ver >= 5.5)
 	/**
-		Returns the hyperbolic sine of x.
+		Returns the hyperbolic cosine of x.
 	**/
-	static function sinh(x:Float):Float;
+	#if (lua_ver >= 5.3)
+	@:deprecated("Deprecated in Lua 5.3, removed in Lua 5.5")
+	#end
+	static function cosh(x:Float):Float;
 
 	/**
-		Returns the tangent of x (assumed to be in radians)
+		Returns the hyperbolic sine of x.
 	**/
-	static function tan(x:Float):Float;
+	#if (lua_ver >= 5.3)
+	@:deprecated("Deprecated in Lua 5.3, removed in Lua 5.5")
+	#end
+	static function sinh(x:Float):Float;
 
 	/**
 		Returns the hyperbolic tangent of x.
 	**/
+	#if (lua_ver >= 5.3)
+	@:deprecated("Deprecated in Lua 5.3, removed in Lua 5.5")
+	#end
 	static function tanh(x:Float):Float;
+	#end
 
 	/**
 		Returns the angle x (given in degrees) in radians.
@@ -120,10 +149,15 @@ extern class Math {
 	**/
 	static function fmod(x:Float):Float;
 
+	#if !(lua_ver >= 5.5)
 	/**
 		Returns y-th power of x.
 	**/
+	#if (lua_ver >= 5.3)
+	@:deprecated("Deprecated in Lua 5.3, removed in Lua 5.5")
+	#end
 	static function pow(x:Float, y:Float):Float;
+	#end
 
 	/**
 		Returns the square root of x.
@@ -138,22 +172,33 @@ extern class Math {
 	/**
 		Returns m and e such that x = m2^e, e is an integer and the absolute value of m is in the range [0.5, 1) (or zero when x is zero).
 	**/
+	#if (lua_ver >= 5.3)
+	@:deprecated("Deprecated in Lua 5.3")
+	#end
 	static function frexp(x:Float):MathFrexpResult;
 
 	/**
 		Returns m2^e (e should be an integer).
 	**/
+	#if (lua_ver >= 5.3)
+	@:deprecated("Deprecated in Lua 5.3")
+	#end
 	static function ldexp(m:Float, e:Int):Float;
 
 	/**
 		Returns the natural logarithm of x.
 	**/
 	static function log(x:Float):Float;
 
+	#if !(lua_ver >= 5.5)
 	/**
 		Returns the base-10 logarithm of x.
 	**/
+	#if (lua_ver >= 5.2)
+	@:deprecated("Deprecated in Lua 5.2, removed in Lua 5.5")
+	#end
 	static function log10(x:Float):Float;
+	#end
 
 	/**
 		Returns the maximum value among its arguments.

std/lua/_std/Math.hx

@@ -93,8 +93,19 @@ class Math {
 	public static inline function random():Float
 		return untyped __define_feature__("Math.random", lua.Math.random());
 
+	#if (lua_ver >= 5.3)
+	public static inline function atan2(y:Float, x:Float):Float
+		return lua.Math.atan(y, x);
+	#elseif (lua_ver <= 5.2 || luajit)
 	public static inline function atan2(y:Float, x:Float):Float
 		return lua.Math.atan2(y, x);
+	#else
+	private static final atan2Impl = lua.Math.atan2 ?? lua.Math.atan;
+
+	public static inline function atan2(y:Float, x:Float):Float {
+		return atan2Impl(y, x);
+	}
+	#end
 
 	public static function max(a:Float, b:Float):Float {
 		return Math.isNaN(a) || Math.isNaN(b) ? Math.NaN : lua.Math.max(a, b);
@@ -105,7 +116,7 @@ class Math {
 	}
 
 	public static inline function pow(v:Float, exp:Float):Float
-		return lua.Math.pow(v, exp);
+		return lua.Syntax.code("(({0}) ^ ({1}))", v, exp);
 
 	public static inline function round(v:Float):Int
 		return Math.floor(v + 0.5);

tests/runci/targets/Lua.hx

@@ -90,7 +90,7 @@ class Lua {
 
 		getLuaDependencies();
 
-		for (lv in ["-l5.1", "-l5.2", "-l5.3", "-l5.4", "-j2.0", "-j@v2.1"]) {
+		for (lv in ["-l5.1", "-l5.2", "-l5.3", "-l5.4", "-l5.5", "-j2.0", "-j@v2.1"]) {
 			// luajit 2.0 was missing arm64 support
 			if (System.arch == Arm64 && lv == "-j2.0") continue;
 
@@ -143,7 +143,7 @@ class Lua {
 				installLib("https://raw.githubusercontent.com/lunarmodules/lua-compat-5.3/refs/heads/master/rockspecs/bit32-scm-1.rockspec", "");
 
 			installLib("https://raw.githubusercontent.com/luvit/luv/refs/heads/master/luv-scm-0.rockspec", "");
-			installLib("luautf8", "0.1.6-1");
+			installLib("luautf8", "0.2.1-1");
 
 			installLib("https://raw.githubusercontent.com/HaxeFoundation/hx-lua-simdjson/master/hx-lua-simdjson-scm-1.rockspec", "");