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/*
* Copyright (C)2005-2012 Haxe Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
package cs.internal;
import cs.Lib;
import cs.Lib.*;
import cs.NativeArray;
import cs.NativeArray;
import cs.system.Activator;
import cs.system.IConvertible;
import cs.system.IComparable;
import cs.system.reflection.MethodBase;
import cs.system.reflection.MethodInfo;
import cs.system.reflection.*;
import cs.system.Type;
import cs.system.Object;
/**
This class is meant for internal compiler use only. It provides the Haxe runtime
compatibility to the host language.
**/
@:nativeGen
@:native('haxe.lang.Runtime')
@:access(String)
@:classCode('
public static object getField(haxe.lang.HxObject obj, string field, int fieldHash, bool throwErrors)
{
if (obj == null && !throwErrors) return null;
return obj.__hx_getField(field, (fieldHash == 0) ? haxe.lang.FieldLookup.hash(field) : fieldHash, throwErrors, false, false);
}
public static double getField_f(haxe.lang.HxObject obj, string field, int fieldHash, bool throwErrors)
{
if (obj == null && !throwErrors) return 0.0;
return obj.__hx_getField_f(field, (fieldHash == 0) ? haxe.lang.FieldLookup.hash(field) : fieldHash, throwErrors, false);
}
public static object setField(haxe.lang.HxObject obj, string field, int fieldHash, object value)
{
return obj.__hx_setField(field, (fieldHash == 0) ? haxe.lang.FieldLookup.hash(field) : fieldHash, value, false);
}
public static double setField_f(haxe.lang.HxObject obj, string field, int fieldHash, double value)
{
return obj.__hx_setField_f(field, (fieldHash == 0) ? haxe.lang.FieldLookup.hash(field) : fieldHash, value, false);
}
public static object callField(haxe.lang.HxObject obj, string field, int fieldHash, Array args)
{
return obj.__hx_invokeField(field, (fieldHash == 0) ? haxe.lang.FieldLookup.hash(field) : fieldHash, args);
}
')
@:keep class Runtime
{
@:readOnly public static var undefined(default, never):Dynamic = new cs.system.Object();
public static function closure(obj:Dynamic, hash:Int, field:String):Dynamic
{
return new cs.internal.Function.Closure(obj, field, hash);
}
public static function eq(v1:Dynamic, v2:Dynamic):Bool
{
if (Object.ReferenceEquals(v1, v2))
return true;
if (Object.ReferenceEquals(v1,null) || Object.ReferenceEquals(v2,null))
return false;
var v1c = Lib.as(v1, IConvertible);
if (v1c != null)
{
var v2c = Lib.as(v2, IConvertible);
if (v2c == null)
{
return false;
}
var t1 = v1c.GetTypeCode(),
t2 = v2c.GetTypeCode();
if (t1 == t2)
return Object._Equals(v1c,v2c);
if (t1 == cs.system.TypeCode.String || t2 == cs.system.TypeCode.String)
return false;
switch [t1,t2]
{
case [Decimal, _] | [_, Decimal]:
return v1c.ToDecimal(null) == v2c.ToDecimal(null);
case [UInt64 | Int64 | DateTime, _] | [_, UInt64 | Int64 | DateTime]:
return v1c.ToUInt64(null) == v2c.ToUInt64(null);
case [Double | Single, _] | [_, Double | Single]:
return v1c.ToDouble(null) == v2c.ToDouble(null);
case _:
return v1c.ToInt32(null) == v2c.ToInt32(null);
}
}
var v1v = Lib.as(v1, cs.system.ValueType);
if (v1v != null)
{
return v1.Equals(v2);
#if !erase_generics
} else {
var v1t = Lib.as(v1, Type);
if (v1t != null)
{
var v2t = Lib.as(v2, Type);
if (v2t != null)
return typeEq(v1t, v2t);
return false;
}
#end
}
return false;
}
public static function refEq(v1: { }, v2: { } ):Bool
{
#if !erase_generics
if (Std.is(v1, Type))
return typeEq(Lib.as(v1,Type), Lib.as(v2,Type));
#end
return Object.ReferenceEquals(v1,v2);
}
public static function toDouble(obj:Dynamic):Float
{
return (obj == null) ? .0 : Std.is(obj,Float) ? cast obj : Lib.as(obj,IConvertible).ToDouble(null);
}
public static function toInt(obj:Dynamic):Int
{
return (obj == null) ? 0 : Std.is(obj,Int) ? cast obj : Lib.as(obj,IConvertible).ToInt32(null);
}
public static function isInt(obj:Dynamic):Bool
{
var cv1 = Lib.as(obj, IConvertible);
if (cv1 != null)
{
switch (cv1.GetTypeCode())
{
case Double:
var d:Float = cast obj;
return d >= cs.system.Int32.MinValue && d <= cs.system.Int32.MaxValue && d == ( cast(d,Int) );
case UInt32, Int32:
return true;
default:
return false;
}
}
return false;
}
public static function isUInt(obj:Dynamic):Bool
{
var cv1 = Lib.as(obj, IConvertible);
if (cv1 != null)
{
switch (cv1.GetTypeCode())
{
case Double:
var d:Float = cast obj;
return d >= cs.system.UInt32.MinValue && d <= cs.system.UInt32.MaxValue && d == ( cast(d,UInt) );
case UInt32:
return true;
default:
return false;
}
}
return false;
}
public static function compare(v1:Dynamic, v2:Dynamic):Int
{
if (Object.ReferenceEquals(v1,v2)) return 0;
if (Object.ReferenceEquals(v1,null)) return -1;
if (Object.ReferenceEquals(v2,null)) return 1;
var cv1 = Lib.as(v1, IConvertible);
if (cv1 != null)
{
var cv2 = Lib.as(v2, IConvertible);
if (cv2 == null)
{
throw new cs.system.ArgumentException("Cannot compare " + getNativeType(v1).ToString() + " and " + getNativeType(v2).ToString());
}
switch(cv1.GetTypeCode())
{
case cs.system.TypeCode.String:
if (cv2.GetTypeCode() != cs.system.TypeCode.String)
throw new cs.system.ArgumentException("Cannot compare " + getNativeType(v1).ToString() + " and " + getNativeType(v2).ToString());
var s1 = Lib.as(v1,String);
var s2 = Lib.as(v2,String);
return String.Compare(s1,s2, cs.system.StringComparison.Ordinal);
case cs.system.TypeCode.Double:
var d1:Float = cast v1,
d2:Float = cv2.ToDouble(null);
return (d1 < d2) ? -1 : (d1 > d2) ? 1 : 0;
default:
var d1d = cv1.ToDouble(null);
var d2d = cv2.ToDouble(null);
return (d1d < d2d) ? -1 : (d1d > d2d) ? 1 : 0;
}
}
var c1 = Lib.as(v1, IComparable);
var c2 = Lib.as(v2, IComparable);
if (c1 == null || c2 == null)
{
throw new cs.system.ArgumentException("Cannot compare " + getNativeType(v1).ToString() + " and " + getNativeType(v2).ToString());
}
return c1.CompareTo(c2);
}
public static function plus(v1:Dynamic, v2:Dynamic):Dynamic
{
if (Std.is(v1,String) || Std.is(v2,String))
return Std.string(v1) + Std.string(v2);
if (v1 == null)
{
if (v2 == null) return null;
v1 = 0;
} else if (v2 == null) v2 = 0;
var cv1 = Lib.as(v1, IConvertible);
if (cv1 != null)
{
var cv2 = Lib.as(v2, IConvertible);
if (cv2 == null)
{
throw new cs.system.ArgumentException("Cannot dynamically add " + cs.Lib.getNativeType(v1).ToString() + " and " + cs.Lib.getNativeType(v2).ToString());
}
return cv1.ToDouble(null) + cv2.ToDouble(null);
}
throw new cs.system.ArgumentException("Cannot dynamically add " + v1 + " and " + v2);
}
public static function slowGetField(obj:Dynamic, field:String, throwErrors:Bool):Dynamic
{
if (obj == null)
if (throwErrors)
throw new cs.system.NullReferenceException("Cannot access field \'" + field + "\' of null.");
else
return null;
var t = Lib.as(obj, cs.system.Type);
var bf =
if (t == null)
{
var s = Lib.as(obj, String);
if (s != null)
return cs.internal.StringExt.StringRefl.handleGetField(s, field, throwErrors);
t = obj.GetType();
new cs.Flags(BindingFlags.Instance) | BindingFlags.Public | BindingFlags.FlattenHierarchy;
} else {
if (t == Lib.toNativeType(String) && field == "fromCharCode")
return new cs.internal.Function.Closure(StringExt, field, 0);
obj = null;
new cs.Flags(BindingFlags.Static) | BindingFlags.Public;
}
var f = t.GetField(field, bf);
if (f != null)
{
return unbox(f.GetValue(obj));
}
else
{
var prop = t.GetProperty(field, bf);
if (prop == null)
{
var m = t.GetMember(field, bf);
if (m.length == 0 && (field == "__get" || field == "__set"))
m = t.GetMember(field == "__get" ? "get_Item" : "set_Item", bf);
if (m.Length > 0)
{
return new cs.internal.Function.Closure(obj != null ? obj : t, field, 0);
}
else
{
// COM object handling
if (t.IsCOMObject)
{
try
{
return t.InvokeMember(field, BindingFlags.GetProperty, null, obj, new cs.NativeArray(0));
}
catch (e:cs.system.Exception)
{
//Closures of COM objects not supported currently
}
}
if (throwErrors)
throw "Cannot access field \'" + field + "\'.";
else
return null;
}
}
return unbox(prop.GetValue(obj, null));
}
}
public static function slowHasField(obj:Dynamic, field:String):Bool
{
if (obj == null) return false;
var t = Lib.as(obj, cs.system.Type);
var bf =
if (t == null) {
var s = Lib.as(obj, String);
if (s != null)
return cs.internal.StringExt.StringRefl.handleGetField(s, field, false) != null;
t = obj.GetType();
new cs.Flags(BindingFlags.Instance) | BindingFlags.Public | BindingFlags.FlattenHierarchy;
} else {
if (t == Lib.toNativeType(String))
return field == "fromCharCode";
obj = null;
new cs.Flags(BindingFlags.Static) | BindingFlags.Public;
}
var mi = t.GetMember(field, bf);
return mi != null && mi.length > 0;
}
public static function slowSetField(obj:Dynamic, field:String, value:Dynamic):Dynamic
{
if (obj == null)
throw new cs.system.NullReferenceException("Cannot access field \'" + field + "\' of null.");
var t = Lib.as(obj, cs.system.Type);
var bf =
if (t == null)
{
t = obj.GetType();
new cs.Flags(BindingFlags.Instance) | BindingFlags.Public | BindingFlags.FlattenHierarchy;
} else {
obj = null;
new cs.Flags(BindingFlags.Static) | BindingFlags.Public;
}
var f = t.GetField(field, bf);
if (f != null)
{
if (f.FieldType.ToString().StartsWith("haxe.lang.Null"))
{
value = mkNullable(value, f.FieldType);
}
if (Object.ReferenceEquals(Lib.toNativeType(cs.system.Double), Lib.getNativeType(value)) && !Object.ReferenceEquals(t, f.FieldType))
{
var ic = Lib.as(value, IConvertible);
value = ic.ToType(f.FieldType, null);
}
f.SetValue(obj, value);
return value;
}
else
{
var prop = t.GetProperty(field, bf);
if (prop == null)
{
// COM object handling
if (t.IsCOMObject)
{
try
{
return t.InvokeMember(field, BindingFlags.SetProperty, null, obj, cs.NativeArray.make(value));
}
catch (e:cs.system.Exception)
{
//Closures of COM objects not supported currently
}
}
throw "Field \'" + field + "\' not found for writing from Class " + t;
}
if (prop.PropertyType.ToString().StartsWith("haxe.lang.Null"))
{
value = mkNullable(value, prop.PropertyType);
}
if (Object.ReferenceEquals(Lib.toNativeType(cs.system.Double), Lib.getNativeType(value)) && !Object.ReferenceEquals(t, f.FieldType))
{
var ic = Lib.as(value, IConvertible);
value = ic.ToType(f.FieldType, null);
}
prop.SetValue(obj, value, null);
return value;
}
}
public static function callMethod(obj:Dynamic, methods:NativeArray<MethodBase>, methodLength:Int, args:Array<Dynamic>):Dynamic
{
if (methodLength == 0) throw "No available methods";
var length = args.length;
var oargs:NativeArray<Dynamic> = new NativeArray(length);
var ts:NativeArray<Type> = new NativeArray(length);
var rates:NativeArray<Int> = new NativeArray(methods.Length);
for (i in 0...length)
{
oargs[i] = args[i];
if (args[i] != null)
ts[i] = Lib.getNativeType(args[i]);
}
var last = 0;
//first filter by number of parameters and if it is assignable
if (methodLength > 1)
{
for (i in 0...methodLength)
{
var params = methods[i].GetParameters();
if (params.Length != length) {
continue;
} else {
var fits = true, crate = 0;
for (i in 0...params.Length)
{
var param = params[i].ParameterType;
var strParam = param + "";
if (param.IsAssignableFrom(ts[i]) || (ts[i] == null && !param.IsValueType))
{
//if it is directly assignable, we'll give it top rate
continue;
} else if (untyped strParam.StartsWith("haxe.lang.Null") || ( (oargs[i] == null || Std.is(oargs[i], IConvertible) ) && cast(untyped __typeof__(IConvertible), Type).IsAssignableFrom(param) ))
{
//if it needs conversion, give a penalty. TODO rate penalty
crate++;
continue;
} else if (!param.ContainsGenericParameters) { //generics don't appear as assignable, but may be in the end. no rate there.
fits = false;
break;
}
}
if (fits)
{
rates[last] = crate;
methods[last++] = methods[i];
}
}
}
methodLength = last;
} else if (methodLength == 1 && methods[0].GetParameters().Length != length) {
methodLength = 0;
}
//At this time, we should be left with only one method.
//Of course, realistically, we can be left with plenty of methods, if there are lots of variants with IConvertible
//But at this time we still aren't rating the best methods
//FIXME rate best methods
if (methodLength == 0)
throw "Invalid calling parameters for method " + methods[0].Name;
var best = cs.system.Double.PositiveInfinity;
var bestMethod = 0;
for(i in 0...methodLength)
{
if (rates[i] < best)
{
bestMethod = i;
best = rates[i];
}
}
methods[0] = methods[bestMethod];
var params = methods[0].GetParameters();
for (i in 0...params.Length)
{
var param = params[i].ParameterType;
var strParam = param + "",
arg = oargs[i];
if (StringTools.startsWith(strParam, "haxe.lang.Null"))
{
oargs[i] = mkNullable(arg, param);
} else if (cast(untyped __typeof__(IConvertible), Type).IsAssignableFrom(param)) {
if (arg == null) {
if (param.IsValueType)
oargs[i] = Activator.CreateInstance(param);
} else if (!cs.Lib.getNativeType(arg).IsAssignableFrom(param)) {
oargs[i] = cast(arg, IConvertible).ToType(param, null);
}
}
}
if (methods[0].ContainsGenericParameters && Std.is(methods[0], cs.system.reflection.MethodInfo))
{
var m:MethodInfo = cast methods[0];
var tgs = m.GetGenericArguments();
for (i in 0...tgs.Length)
{
tgs[i] = untyped __typeof__(Dynamic);
}
m = m.MakeGenericMethod(tgs);
var retg = m.Invoke(obj, oargs);
return cs.internal.Runtime.unbox(retg);
}
var m = methods[0];
if (obj == null && Std.is(m, cs.system.reflection.ConstructorInfo))
{
var ret = cast(m, cs.system.reflection.ConstructorInfo).Invoke(oargs);
return unbox(ret);
}
var ret = m.Invoke(obj, oargs);
return unbox(ret);
}
public static function unbox(dyn:Dynamic):Dynamic
{
if (dyn != null && untyped (Lib.getNativeType(dyn) + "").StartsWith("haxe.lang.Null"))
{
return dyn.toDynamic();
} else {
return dyn;
}
}
#if !erase_generics
@:functionCode('
if (nullableType.ContainsGenericParameters)
return haxe.lang.Null<object>.ofDynamic<object>(obj);
return nullableType.GetMethod("_ofDynamic").Invoke(null, new object[] { obj });
')
public static function mkNullable(obj:Dynamic, nullableType:Type):Dynamic
{
return null;
}
#else
public static function mkNullable(obj:Dynamic, nullable:Type):Dynamic
{
return obj; //do nothing
}
#end
// @:functionCode('
// if (field == "toString")
// {
// if (args == null)
// return obj.ToString();
// field = "ToString";
// }
// if (args == null) args = new Array<object>();
// System.Reflection.BindingFlags bf;
// System.Type t = obj as System.Type;
// if (t == null)
// {
// string s = obj as string;
// if (s != null)
// return haxe.lang.StringRefl.handleCallField(s, field, args);
// t = obj.GetType();
// bf = System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.FlattenHierarchy;
// } else {
// if (t == typeof(string) && field.Equals("fromCharCode"))
// return haxe.lang.StringExt.fromCharCode(toInt(args[0]));
// obj = null;
// bf = System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.Public;
// }
// System.Reflection.MethodInfo[] mis = t.GetMethods(bf);
// int last = 0;
// for (int i = 0; i < mis.Length; i++)
// {
// string name = mis[i].Name;
// if (name.Equals(field))
// {
// mis[last++] = mis[i];
// }
// }
// if (last == 0 && (field == "__get" || field == "__set"))
// {
// field = field == "__get" ? "get_Item" : "set_Item";
// for (int i = 0; i < mis.Length; i++)
// {
// string name = mis[i].Name;
// if (name.Equals(field))
// {
// mis[last++] = mis[i];
// }
// }
// }
// if (last == 0 && t.IsCOMObject)
// {
// object[] oargs = new object[arrLen(args)];
// for (int i = 0; i < oargs.Length; i++)
// {
// oargs[i] = args[i];
// }
// return t.InvokeMember(field, System.Reflection.BindingFlags.InvokeMethod, null, obj, oargs);
// }
// if (last == 0)
// {
// throw haxe.lang.HaxeException.wrap("Method \'" + field + "\' not found on type " + t);
// }
// return haxe.lang.Runtime.callMethod(obj, mis, last, args);
// ')
public static function slowCallField(obj:Dynamic, field:String, args:Array<Dynamic>):Dynamic
{
if (field == "toString" && (args == null || args.length == 0))
{
return obj.ToString();
}
if (args == null) args = [];
var bf:BindingFlags;
var t = Lib.as(obj,cs.system.Type);
if (t == null)
{
var s = Lib.as(obj,String);
if (s != null)
return cs.internal.StringExt.StringRefl.handleCallField(untyped s, untyped field, args);
t = untyped obj.GetType();
bf = new Flags(BindingFlags.Instance) | BindingFlags.Public | BindingFlags.FlattenHierarchy;
} else {
if (t == Lib.toNativeType(String) && field == 'fromCharCode')
return cs.internal.StringExt.fromCharCode(toInt(args[0]));
obj = null;
bf = new Flags(BindingFlags.Static) | BindingFlags.Public;
}
var mis:NativeArray<MethodBase> = untyped t.GetMethods(bf);
var last = 0;
for (i in 0...mis.Length)
{
var name = mis[i].Name;
if (name == field)
mis[last++] = mis[i];
}
if (last == 0 && (field == "__get" || field == "__set"))
{
field = field == "__get" ? "get_Item" : "set_Item";
for (i in 0...mis.Length)
{
var name = mis[i].Name;
if (name == field)
{
mis[last++] = mis[i];
}
}
}
if (last == 0 && t.IsCOMObject)
{
var oargs = new NativeArray(args.length);
for (i in 0...oargs.Length)
{
oargs[i] = args[i];
}
return t.InvokeMember(field, BindingFlags.InvokeMethod, null, obj, oargs);
}
if (last == 0)
{
throw 'Method "$field" not found on type $t';
}
return Runtime.callMethod(obj, mis, last, args);
}
public static function callField(obj:Dynamic, field:String, fieldHash:Int, args:Array<Dynamic>):Dynamic
{
var hxObj = Lib.as(obj, HxObject);
if (hxObj != null)
return untyped hxObj.__hx_invokeField(field, (fieldHash == 0) ? FieldLookup.hash(field) : fieldHash, args);
return slowCallField(obj, field, args);
}
public static function getField(obj:Dynamic, field:String, fieldHash:Int, throwErrors:Bool):Dynamic
{
var hxObj = Lib.as(obj, HxObject);
if (hxObj != null)
return untyped hxObj.__hx_getField(field, (fieldHash == 0) ? FieldLookup.hash(field) : fieldHash, throwErrors, false, false);
return slowGetField(obj, field, throwErrors);
}
public static function getField_f(obj:Dynamic, field:String, fieldHash:Int, throwErrors:Bool):Float
{
var hxObj = Lib.as(obj, HxObject);
if (hxObj != null)
return untyped hxObj.__hx_getField_f(field, (fieldHash == 0) ? FieldLookup.hash(field) : fieldHash, throwErrors, false);
return toDouble(slowGetField(obj, field, throwErrors));
}
public static function setField(obj:Dynamic, field:String, fieldHash:Int, value:Dynamic):Dynamic
{
var hxObj = Lib.as(obj, HxObject);
if (hxObj != null)
return untyped hxObj.__hx_setField(field, (fieldHash == 0) ? FieldLookup.hash(field) : fieldHash, value, false);
return slowSetField(obj, field, value);
}
public static function setField_f(obj:Dynamic, field:String, fieldHash:Int, value:Float):Float
{
var hxObj = Lib.as(obj, HxObject);
if (hxObj != null)
return untyped hxObj.__hx_setField_f(field, (fieldHash == 0) ? FieldLookup.hash(field) : fieldHash, value, false);
return toDouble(slowSetField(obj, field, value));
}
public static function toString(obj:Dynamic):String
{
if (obj == null)
return null;
if (Std.is(obj, Bool))
if(obj)
return "true";
else
return "false";
return untyped obj.ToString();
}
#if erase_generics
inline
#end
public static function typeEq(t1:Type, t2:Type):Bool
{
if (t1 == null || t2 == null)
return t1 == t2;
#if !erase_generics
var t1i = t1.IsInterface,
t2i = t2.IsInterface;
if (t1i != t2i)
{
if (t1i)
{
var g = getGenericAttr(t1);
if (g != null)
t1 = g.generic;
} else {
var g = getGenericAttr(t2);
if (g != null)
t2 = g.generic;
}
}
#end
if (t1.GetGenericArguments().Length > 0) t1 = t1.GetGenericTypeDefinition();
if (t2.GetGenericArguments().Length > 0) t2 = t2.GetGenericTypeDefinition();
return Object.ReferenceEquals(t1,t2);
}
#if !erase_generics
private static function getGenericAttr(t:cs.system.Type):cs.internal.HxObject.GenericInterface
{
for (attr in t.GetCustomAttributes(true))
if (Std.is(attr,cs.internal.HxObject.GenericInterface))
return cast attr;
return null;
}
#end
#if !erase_generics
@:functionCode('
if (obj is To)
return (To) obj;
else if (obj == null)
return default(To);
if (typeof(To) == typeof(double))
return (To)(object) toDouble(obj);
else if (typeof(To) == typeof(int))
return (To)(object) toInt(obj);
else if (typeof(To) == typeof(float))
return (To)(object)(float)toDouble(obj);
else if (typeof(To) == typeof(long))
return (To)(object)(long)toDouble(obj);
else
return (To) obj;
')
public static function genericCast<To>(obj:Dynamic):To
{
return null;
}
#end
@:functionCode('
return (s1 == null ? "null" : s1) + (s2 == null ? "null" : s2);
')
public static function concat(s1:String, s2:String):String
{
return null;
}
public static function toBool(dyn:Dynamic):Bool
{
return if (dyn == null) false else untyped __cs__("(bool){0}", dyn);
}
//TODO: change from genericCast to getConverter, so we don't need to handle extra boxing associated with it
/*@:functionCode('
if (typeof(To).TypeHandle == typeof(double).TypeHandle)
return (System.Converter<object,To>) new System.Converter<object,double>(toDouble);
else if (typeof(To).TypeHandle == typeof(double).TypeHandle)
return (System.Converter<object,To>) new System.Converter<object,double>(toDouble);
else
return (System.Converter<object, To>) delegate(object obj) { return (To) obj; };
')
public static function getConverter<To>():cs.system.Converter<Dynamic,To>
{
return null;
}*/
}
@:nativeGen
@:keep @:native("haxe.lang.EmptyObject") private enum EmptyObject
{
EMPTY;
}
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