mirror of https://github.com/jkjoy/sunpeiwen.git
93 lines
1.7 KiB
JavaScript
93 lines
1.7 KiB
JavaScript
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/*!
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* Stylus - Arguments
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* Copyright (c) Automattic <developer.wordpress.com>
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* MIT Licensed
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*/
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/**
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* Module dependencies.
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*/
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var Node = require('./node')
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, nodes = require('../nodes')
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, utils = require('../utils');
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/**
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* Initialize a new `Arguments`.
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*
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* @api public
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*/
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var Arguments = module.exports = function Arguments(){
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nodes.Expression.call(this);
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this.map = {};
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};
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/**
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* Inherit from `nodes.Expression.prototype`.
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*/
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Arguments.prototype.__proto__ = nodes.Expression.prototype;
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/**
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* Initialize an `Arguments` object with the nodes
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* from the given `expr`.
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*
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* @param {Expression} expr
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* @return {Arguments}
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* @api public
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*/
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Arguments.fromExpression = function(expr){
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var args = new Arguments
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, len = expr.nodes.length;
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args.lineno = expr.lineno;
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args.column = expr.column;
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args.isList = expr.isList;
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for (var i = 0; i < len; ++i) {
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args.push(expr.nodes[i]);
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}
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return args;
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};
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/**
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* Return a clone of this node.
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*
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* @return {Node}
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* @api public
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*/
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Arguments.prototype.clone = function(parent){
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var clone = nodes.Expression.prototype.clone.call(this, parent);
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clone.map = {};
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for (var key in this.map) {
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clone.map[key] = this.map[key].clone(parent, clone);
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}
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clone.isList = this.isList;
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clone.lineno = this.lineno;
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clone.column = this.column;
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clone.filename = this.filename;
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return clone;
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};
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/**
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* Return a JSON representation of this node.
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*
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* @return {Object}
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* @api public
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*/
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Arguments.prototype.toJSON = function(){
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return {
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__type: 'Arguments',
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map: this.map,
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isList: this.isList,
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preserve: this.preserve,
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lineno: this.lineno,
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column: this.column,
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filename: this.filename,
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nodes: this.nodes
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};
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};
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