mirror of https://github.com/jkjoy/sunpeiwen.git
84 lines
1.5 KiB
JavaScript
84 lines
1.5 KiB
JavaScript
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/*!
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* Stylus - BinOp
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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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/**
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* Initialize a new `BinOp` with `op`, `left` and `right`.
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*
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* @param {String} op
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* @param {Node} left
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* @param {Node} right
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* @api public
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*/
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var BinOp = module.exports = function BinOp(op, left, right){
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Node.call(this);
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this.op = op;
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this.left = left;
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this.right = right;
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};
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/**
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* Inherit from `Node.prototype`.
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*/
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BinOp.prototype.__proto__ = Node.prototype;
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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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BinOp.prototype.clone = function(parent){
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var clone = new BinOp(this.op);
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clone.left = this.left.clone(parent, clone);
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clone.right = this.right && this.right.clone(parent, clone);
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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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if (this.val) clone.val = this.val.clone(parent, clone);
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return clone;
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};
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/**
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* Return <left> <op> <right>
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*
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* @return {String}
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* @api public
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*/
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BinOp.prototype.toString = function() {
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return this.left.toString() + ' ' + this.op + ' ' + this.right.toString();
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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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BinOp.prototype.toJSON = function(){
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var json = {
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__type: 'BinOp',
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left: this.left,
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right: this.right,
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op: this.op,
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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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};
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if (this.val) json.val = this.val;
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return json;
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};
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