forked from LeenkxTeam/LNXSDK
478 lines
13 KiB
Haxe
478 lines
13 KiB
Haxe
/*
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* Copyright (C)2005-2019 Haxe Foundation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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package python;
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import python.internal.MethodClosure;
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import python.internal.ArrayImpl;
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import python.internal.Internal;
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import python.internal.StringImpl;
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import python.internal.EnumImpl;
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import python.internal.HxOverrides;
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import python.internal.AnonObject;
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import python.internal.UBuiltins;
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import python.lib.Inspect;
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import python.Syntax;
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@:dox(hide)
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class Boot {
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static var keywords:Set<String> = new Set([
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"and", "del", "from", "not", "with", "as", "elif", "global", "or", "yield", "assert", "else", "if", "pass", "None", "break", "except", "import",
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"raise", "True", "class", "exec", "in", "return", "False", "continue", "finally", "is", "try", "def", "for", "lambda", "while",
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]);
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inline static function arrayJoin<T>(x:Array<T>, sep:String):String {
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return Syntax.field(sep, "join")(Syntax.code("[{0}(x1,'') for x1 in {1}]", python.Boot.toString1, x));
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}
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inline static function safeJoin(x:Array<String>, sep:String):String {
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return Syntax.field(sep, "join")(Syntax.code("[x1 for x1 in {0}]", x));
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}
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inline static function isPyBool(o:Dynamic):Bool {
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return UBuiltins.isinstance(o, UBuiltins.bool);
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}
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inline static function isPyInt(o:Dynamic):Bool {
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// for historic reasons bool extends int
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return UBuiltins.isinstance(o, UBuiltins.int) && !isPyBool(o);
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}
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inline static function isPyFloat(o:Dynamic):Bool {
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return UBuiltins.isinstance(o, UBuiltins.float);
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}
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static inline function isClass(o:Dynamic):Bool {
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return o != null && (o == String || Inspect.isclass(o));
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}
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static inline function isAnonObject(o:Dynamic) {
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return UBuiltins.isinstance(o, AnonObject);
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}
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@:ifFeature("add_dynamic") private static function _add_dynamic(a:Dynamic, b:Dynamic):Dynamic {
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if (UBuiltins.isinstance(a, String) && UBuiltins.isinstance(b, String)) {
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return Syntax.binop(a, "+", b);
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}
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if (UBuiltins.isinstance(a, String) || UBuiltins.isinstance(b, String)) {
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return Syntax.binop(toString1(a, ""), "+", toString1(b, ""));
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}
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return Syntax.binop(a, "+", b);
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}
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static inline function toString(o:Dynamic) {
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return toString1(o, "");
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}
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private static function toString1(o:Dynamic, s:String):String {
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if (o == null)
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return "null";
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if (isString(o))
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return o;
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if (s == null)
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s = "";
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if (s.length >= 5)
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return "<...>"; // too much deep recursion
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if (isPyBool(o)) {
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if ((o : Bool))
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return "true"
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else
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return "false";
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}
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if (isPyInt(o)) {
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return UBuiltins.str(o);
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}
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// 1.0 should be printed as 1
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if (isPyFloat(o)) {
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try {
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if ((o : Float) == UBuiltins.int(o)) {
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return UBuiltins.str(Math.round(o));
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} else {
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return UBuiltins.str(o);
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}
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} catch (e:Dynamic) {
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return UBuiltins.str(o);
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}
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}
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if (isArray(o)) {
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var o1:Array<Dynamic> = o;
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var l = o1.length;
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var st = "[";
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s += "\t";
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for (i in 0...l) {
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var prefix = "";
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if (i > 0) {
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prefix = ",";
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}
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st += prefix + toString1(o1[i], s);
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}
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st += "]";
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return st;
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}
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try {
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if (UBuiltins.hasattr(o, "toString"))
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return Syntax.callField(o, "toString");
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} catch (e:Dynamic) {}
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if (UBuiltins.hasattr(o, "__class__")) {
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if (isAnonObject(o)) {
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var toStr = null;
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try {
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var fields = fields(o);
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var fieldsStr = [for (f in fields) '$f : ${toString1(simpleField(o, f), s + "\t")}'];
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toStr = "{ " + safeJoin(fieldsStr, ", ") + " }";
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} catch (e:Dynamic) {
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return "{ ... }";
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}
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if (toStr == null) {
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return "{ ... }";
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} else {
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return toStr;
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}
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}
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if (UBuiltins.isinstance(o, Enum)) {
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var o:EnumImpl = (o : EnumImpl);
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var l = UBuiltins.len(o.params);
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var hasParams = l > 0;
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if (hasParams) {
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var paramsStr = "";
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for (i in 0...l) {
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var prefix = "";
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if (i > 0) {
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prefix = ",";
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}
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paramsStr += prefix + toString1(o.params[i], s);
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}
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return o.tag + "(" + paramsStr + ")";
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} else {
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return o.tag;
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}
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}
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if (Internal.hasClassName(o)) {
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if (Syntax.field(Syntax.field(o, "__class__"), "__name__") != "type") {
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var fields = getInstanceFields(o);
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var fieldsStr = [for (f in fields) '$f : ${toString1(simpleField(o, f), s + "\t")}'];
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var toStr = (Internal.fieldClassName(o) : String) + "( " + safeJoin(fieldsStr, ", ") + " )";
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return toStr;
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} else {
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var fields = getClassFields(o);
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var fieldsStr = [for (f in fields) '$f : ${toString1(simpleField(o, f), s + "\t")}'];
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var toStr = "#" + (Internal.fieldClassName(o) : String) + "( " + safeJoin(fieldsStr, ", ") + " )";
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return toStr;
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}
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}
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if (isMetaType(o, String)) {
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return "#String";
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}
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if (isMetaType(o, Array)) {
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return "#Array";
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}
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if (UBuiltins.callable(o)) {
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return "function";
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}
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try {
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if (UBuiltins.hasattr(o, "__repr__")) {
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return Syntax.callField(o, "__repr__");
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}
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} catch (e:Dynamic) {}
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if (UBuiltins.hasattr(o, "__str__")) {
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return Syntax.callField(o, "__str__", []);
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}
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if (UBuiltins.hasattr(o, "__name__")) {
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return Syntax.field(o, "__name__");
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}
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return "???";
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} else {
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return UBuiltins.str(o);
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}
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}
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static inline function isMetaType(v:Dynamic, t:Dynamic):Bool {
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return Syntax.binop(Syntax.binop(Syntax.call(UBuiltins.type, [v]), "==", UBuiltins.type), "and", Syntax.binop(v, "==", t));
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}
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@:analyzer(no_local_dce)
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static function fields(o:Dynamic) {
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var a = [];
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if (o != null) {
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if (Internal.hasFields(o)) {
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var fields = Internal.fieldFields(o);
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if (fields != null) {
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return (fields : Array<String>).copy();
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}
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}
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if (isAnonObject(o)) {
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var d = Syntax.field(o, "__dict__");
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var keys = Syntax.callField(d, "keys");
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var handler = unhandleKeywords;
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Syntax.code("for k in keys:");
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Syntax.code(" if (k != '_hx_disable_getattr'):");
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Syntax.code(" a.append(handler(k))");
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} else if (UBuiltins.hasattr(o, "__dict__")) {
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var a = [];
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var d = Syntax.field(o, "__dict__");
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var keys1 = Syntax.callField(d, "keys");
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Syntax.code("for k in keys1:");
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Syntax.code(" a.append(k)");
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}
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}
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return a;
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}
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static inline function isString(o:Dynamic):Bool {
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return UBuiltins.isinstance(o, UBuiltins.str);
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}
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static inline function isArray(o:Dynamic):Bool {
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return UBuiltins.isinstance(o, UBuiltins.list);
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}
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static function simpleField(o:Dynamic, field:String):Dynamic {
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if (field == null)
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return null;
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var field = handleKeywords(field);
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return if (UBuiltins.hasattr(o, field)) UBuiltins.getattr(o, field) else null;
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}
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@:ifFeature("closure_Array", "closure_String")
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static inline function createClosure(obj:Dynamic, func:Dynamic):Dynamic {
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return new MethodClosure(obj, func);
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}
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static function hasField(o:Dynamic, field:String):Bool {
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if (isAnonObject(o)) {
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return Syntax.code('{0}._hx_hasattr({1})', o, field);
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}
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return UBuiltins.hasattr(o, handleKeywords(field));
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}
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static function field(o:Dynamic, field:String):Dynamic {
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if (field == null)
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return null;
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inline function def() {
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var field = handleKeywords(field);
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return if (UBuiltins.hasattr(o, field)) UBuiltins.getattr(o, field) else null;
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}
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return if (isString(o)) {
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switch (field) {
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case "length":
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StringImpl.get_length(o);
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case "toLowerCase":
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createClosure(o, StringImpl.toLowerCase);
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case "toUpperCase":
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createClosure(o, StringImpl.toUpperCase);
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case "charAt":
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createClosure(o, StringImpl.charAt);
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case "charCodeAt":
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createClosure(o, StringImpl.charCodeAt);
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case "indexOf":
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createClosure(o, StringImpl.indexOf);
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case "lastIndexOf":
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createClosure(o, StringImpl.lastIndexOf);
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case "split":
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createClosure(o, StringImpl.split);
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case "substr":
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createClosure(o, StringImpl.substr);
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case "substring":
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createClosure(o, StringImpl.substring);
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case "toString":
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createClosure(o, StringImpl.toString);
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default:
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def();
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}
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} else if (isArray(o)) {
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switch (field) {
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case "length":
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ArrayImpl.get_length(o);
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case "map":
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createClosure(o, ArrayImpl.map);
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case "filter":
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createClosure(o, ArrayImpl.filter);
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case "concat":
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createClosure(o, ArrayImpl.concat);
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case "copy":
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createClosure(o, ArrayImpl.copy);
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case "iterator":
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createClosure(o, ArrayImpl.iterator);
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case "keyValueIterator":
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createClosure(o, ArrayImpl.keyValueIterator);
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case "insert":
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createClosure(o, ArrayImpl.insert);
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case "join":
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createClosure(o, ArrayImpl.join);
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case "toString":
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createClosure(o, ArrayImpl.toString);
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case "pop":
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createClosure(o, ArrayImpl.pop);
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case "push":
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createClosure(o, ArrayImpl.push);
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case "unshift":
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createClosure(o, ArrayImpl.unshift);
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case "indexOf":
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createClosure(o, ArrayImpl.indexOf);
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case "lastIndexOf":
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createClosure(o, ArrayImpl.lastIndexOf);
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case "contains":
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createClosure(o, ArrayImpl.contains);
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case "remove":
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createClosure(o, ArrayImpl.remove);
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case "reverse":
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createClosure(o, ArrayImpl.reverse);
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case "shift":
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createClosure(o, ArrayImpl.shift);
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case "slice":
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createClosure(o, ArrayImpl.slice);
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case "sort":
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createClosure(o, ArrayImpl.sort);
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case "splice":
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createClosure(o, ArrayImpl.splice);
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default:
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def();
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}
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} else {
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def();
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}
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}
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static function getInstanceFields(c:Class<Dynamic>):Array<String> {
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var f = if (Internal.hasFields(c)) (Internal.fieldFields(c) : Array<String>).copy() else [];
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if (Internal.hasMethods(c))
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f = f.concat(Internal.fieldMethods(c));
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var sc = getSuperClass(c);
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if (sc == null) {
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return f;
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} else {
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var scArr = getInstanceFields(sc);
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var scMap = new Set(scArr);
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for (f1 in f) {
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if (!scMap.has(f1)) {
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scArr.push(f1);
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}
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}
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return scArr;
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}
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}
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static function getSuperClass(c:Class<Dynamic>):Class<Dynamic> {
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if (c == null)
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return null;
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try {
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if (Internal.hasSuper(c)) {
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return Internal.fieldSuper(c);
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}
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return null;
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} catch (e:Dynamic) {}
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return null;
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}
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static function getClassFields(c:Class<Dynamic>):Array<String> {
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if (Internal.hasStatics(c)) {
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var x:Array<String> = Internal.fieldStatics(c);
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return x.copy();
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} else {
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return [];
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}
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}
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static inline function unsafeFastCodeAt(s:String, index:Int) {
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return UBuiltins.ord(python.Syntax.arrayAccess(s, index));
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}
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static inline function handleKeywords(name:String):String {
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return if (keywords.has(name)) {
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Internal.getPrefixed(name);
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} else if (name.length > 2
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&& unsafeFastCodeAt(name, 0) == "_".code
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&& unsafeFastCodeAt(name, 1) == "_".code
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&& unsafeFastCodeAt(name, name.length - 1) != "_".code) {
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Internal.getPrefixed(name);
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} else
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name;
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}
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static var prefixLength = Internal.prefix().length;
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static function unhandleKeywords(name:String):String {
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if (name.substr(0, prefixLength) == Internal.prefix()) {
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var real = name.substr(prefixLength);
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if (keywords.has(real))
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return real;
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}
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return name;
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}
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static inline function implementsInterface(value:Dynamic, cls:Class<Dynamic>):Bool {
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function loop(intf) {
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var f:Array<Dynamic> = if (Internal.hasInterfaces(intf)) Internal.fieldInterfaces(intf) else [];
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if (f != null) {
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for (i in f) {
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if (i == cls) {
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return true;
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} else {
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var l = loop(i);
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if (l) {
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return true;
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}
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}
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}
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return false;
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} else {
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return false;
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}
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}
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var currentClass = Syntax.field(value, "__class__");
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var result = false;
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while (currentClass != null) {
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if (loop(currentClass)) {
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result = true;
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break;
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}
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currentClass = getSuperClass(currentClass);
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}
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return result;
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}
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}
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