|
|
var bench = require('nanobench')
|
|
|
var src = require('fs').readFileSync(require.resolve('acorn'))
|
|
|
var parse = require('acorn').parse
|
|
|
var astw = require('astw')
|
|
|
var eswalk = require('estree-walk')
|
|
|
var eswalker = require('estree-walker')
|
|
|
var dash = require('../')
|
|
|
|
|
|
bench('astw', function (b) {
|
|
|
var ast = parse(src)
|
|
|
b.start()
|
|
|
var i = 0
|
|
|
astw(ast)(function (node) { i++ })
|
|
|
b.end('walked ' + i + ' nodes')
|
|
|
})
|
|
|
|
|
|
bench('estree-walk', function (b) {
|
|
|
var ast = parse(src)
|
|
|
b.start()
|
|
|
var i = 0
|
|
|
eswalk(ast, function (node) { i++ })
|
|
|
b.end('walked ' + i + ' nodes')
|
|
|
})
|
|
|
|
|
|
bench('estree-walk steps', function (b) {
|
|
|
var ast = parse(src)
|
|
|
b.start()
|
|
|
var i = 0
|
|
|
for (var q = [ast], node; (node = q.pop()); eswalk.step(node, q)) {
|
|
|
i++
|
|
|
}
|
|
|
b.end('walked ' + i + ' nodes')
|
|
|
})
|
|
|
|
|
|
bench('dash-ast', function (b) {
|
|
|
var ast = parse(src)
|
|
|
b.start()
|
|
|
var i = 0
|
|
|
dash(ast, function (node) { i++ })
|
|
|
b.end('walked ' + i + ' nodes')
|
|
|
})
|
|
|
|
|
|
bench('dash-ast with .parent', function (b) {
|
|
|
var ast = parse(src)
|
|
|
b.start()
|
|
|
var i = 0
|
|
|
dash.withParent(ast, function (node) { i++ })
|
|
|
b.end('walked ' + i + ' nodes')
|
|
|
})
|
|
|
|
|
|
bench('dash-ast with enter/leave', function (b) {
|
|
|
var ast = parse(src)
|
|
|
b.start()
|
|
|
var i = 0
|
|
|
var j = 0
|
|
|
dash(ast, {
|
|
|
enter: function (node) { i++ },
|
|
|
leave: function (node) { j++ }
|
|
|
})
|
|
|
b.end('walked ' + [i, j] + ' nodes')
|
|
|
})
|
|
|
|
|
|
bench('estree-walker', function (b) {
|
|
|
var ast = parse(src)
|
|
|
b.start()
|
|
|
var i = 0
|
|
|
eswalker.walk(ast, {
|
|
|
enter: function (node) { i++ }
|
|
|
})
|
|
|
b.end('walked ' + i + ' nodes')
|
|
|
})
|
|
|
|
