module
	kind jsfile

	var _ = require('lodash')

	$include jsnode/keywords
	$include jsnode/attributes

	class JsNode
		ctor
			param element
			param name
			set this.wzElement = checkKeyword(element)
			set this.wzName = name || ''
			set this.statements = []
			set this.wzParent = null

		m addStatement
			param element
			param name
			# loog 'addStatement', element, name, checkKeyword(element)
			if isAttribute(this.wzElement + '/' + checkKeyword(element))
				set this[checkKeyword(element)] = name
				return this
			else
				var s = new JsNode(element, name)
				set s.wzParent = this
				_ this.statements.push(s)
				return s

		m getParams
			if !this.params
				set this.params = []
				var stms = []
				foreach item in this.statements
					if item.wzElement == 'param'
						# loog 'param', item.wzName
						_ this.params.push(item.wzName)
					else
						_ stms.push(item)
				set this.statements = stms
			return this.params

		m findCtor
			return 
				_ _.find
					@ this.statements
					function
						param item
						return item.wzElement === 'ctor'

		m getBaseArgs
			param name
			if !this.bases
				set this.bases = []
				var stms = []
				foreach item in this.statements
					if item.wzElement == 'base'
						# loog 'base', item.wzName
						_ this.bases.push(item)
					else
						_ stms.push(item)
				set this.statements = stms
			var found = null
			_ this.bases.forEach
				function
					param item
					set found = found || (item.wzName === name ? item : null)
					return found

		m loadFromMTree
			param mTree
			+
			if mTree.nodes.length != 1
				throw new Error('JsNode.loadFromMTree error: mTree.nodes.length must be == 1')
			var n = mTree.nodes[0]
			set this.wzElement = checkKeyword(n.n)
			set this.wzName = checkKeyword(n.v)
			+
			foreach item in n.children
				_ statement(this, item)
			+
			function statement
				param jsnode
				param node
				var c_jsnode
					_ jsnode.addStatement
						@ node.n
						@ node.v
				foreach item in node.children
					_ statement(c_jsnode, item)

	set module.exports = JsNode