CFor in Haxe Using Macros

Question

So, I love macros (yelling at me).

I tried to create a macro in Haxe, which allows me to write a traditional (C ++, Java) for-loop and have the same functionality. But I'm pretty new to Haxe ...

Code:

import haxe.macro.Expr;

class Cfor {

    macro public static function cfor(init: Expr, cond: Expr, post: Expr, body: Expr) {
        return macro {
            $init;

            while ($cond) {
                $body;
                $post;
            }
        }
    }

    public static function main() {
            trace("Traced");
            cfor(var i = 0, i < 100, i++, {
                    var x = i * 2;
                    trace(x);
            });     
    }

}

Questions

• It already works (this particular test), but it is not so close to the traditional for-loop. How to improve this?
• Do you have any other improvements (style / functionality) for this code?
• Are there any specific goals I should know about this code about?
• How can I find out why this cfor call extends?

Answer 1

How about this?

https://gist.github.com/dpeek/7476625

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