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Javascript coroutine experiment
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="UTF-8" /> | |
| <title>coroutine-traversal-example</title> | |
| </head> | |
| <script src="traversal.js"></script> | |
| <body> | |
| </body> | |
| <script> | |
| function init() { | |
| var a = new co.node('a'); | |
| var b = new co.node('b'); | |
| var c = new co.node('c'); | |
| var d = new co.node('d'); | |
| var e = new co.node('e'); | |
| var f = new co.node('f'); | |
| a.children.push(b); | |
| a.children.push(c); | |
| a.children.push(f); | |
| c.children.push(d); | |
| c.children.push(e); | |
| var iter = new co.traversal(a); | |
| for(var current = iter.next(); current != null; current = iter.next()){ | |
| console.log(current.name); | |
| } | |
| } | |
| window.addEventListener('load', init, false) | |
| </script> | |
| </html> |
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| var co = { | |
| node: function(name){ | |
| this.children = []; | |
| this.name = name; | |
| }, | |
| traversal: function(root){ | |
| var iterator = function*(){ | |
| var stack = [root]; | |
| while(stack.length > 0){ | |
| var node = stack.pop(); | |
| for(var i = 0; i < node.children.length; i++){ | |
| stack.push(node.children[node.children.length - 1 - i]); | |
| } | |
| yield node; | |
| } | |
| while(true){ | |
| yield null; | |
| } | |
| }(); | |
| this.next = function(){ | |
| return iterator.next().value; | |
| }; | |
| } | |
| } |
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