collectFields

Main.hx

class Main {
	static var fields = MyMacro.buildFieldsArray();
	static function main() {
		trace(fields); // [x,y,test,fields,main]
	}

	var x:Int;
	var y:String;

	function test() {

	}
}

MyMacro.hx

import haxe.macro.Expr;
import haxe.macro.Context;
import haxe.macro.Type;

class MyMacro {
	macro static public function buildFieldsArray() {
		var c = Context.getLocalClass().get();
		var fieldNames = collectFields(c);
		return macro $v{fieldNames};
	}

	static function collectFields(c:ClassType) {
		var ret = [];
		for (f in c.fields.get()) {
			ret.push(f.name);
		}
		for (f in c.statics.get()) {
			ret.push(f.name);
		}
		if (c.constructor != null) {
			ret.push(c.constructor.get().name);
		}
		return ret;
	}
}