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2 | /*!
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3 | * Stylus - Arguments
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4 | * Copyright (c) Automattic <developer.wordpress.com>
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5 | * MIT Licensed
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6 | */
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7 |
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8 | /**
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9 | * Module dependencies.
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10 | */
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11 |
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12 | var Node = require('./node')
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13 | , nodes = require('../nodes')
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14 | , utils = require('../utils');
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15 |
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16 | /**
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17 | * Initialize a new `Arguments`.
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18 | *
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19 | * @api public
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20 | */
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21 |
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22 | var Arguments = module.exports = function Arguments(){
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23 | nodes.Expression.call(this);
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24 | this.map = {};
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25 | };
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26 |
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27 | /**
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28 | * Inherit from `nodes.Expression.prototype`.
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29 | */
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30 |
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31 | Arguments.prototype.__proto__ = nodes.Expression.prototype;
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32 |
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33 | /**
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34 | * Initialize an `Arguments` object with the nodes
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35 | * from the given `expr`.
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36 | *
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37 | * @param {Expression} expr
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38 | * @return {Arguments}
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39 | * @api public
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40 | */
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41 |
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42 | Arguments.fromExpression = function(expr){
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43 | var args = new Arguments
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44 | , len = expr.nodes.length;
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45 | args.lineno = expr.lineno;
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46 | args.column = expr.column;
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47 | args.isList = expr.isList;
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48 | for (var i = 0; i < len; ++i) {
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49 | args.push(expr.nodes[i]);
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50 | }
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51 | return args;
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52 | };
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53 |
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54 | /**
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55 | * Return a clone of this node.
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56 | *
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57 | * @return {Node}
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58 | * @api public
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59 | */
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60 |
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61 | Arguments.prototype.clone = function(parent){
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62 | var clone = nodes.Expression.prototype.clone.call(this, parent);
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63 | clone.map = {};
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64 | for (var key in this.map) {
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65 | clone.map[key] = this.map[key].clone(parent, clone);
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66 | }
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67 | clone.isList = this.isList;
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68 | clone.lineno = this.lineno;
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69 | clone.column = this.column;
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70 | clone.filename = this.filename;
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71 | return clone;
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72 | };
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73 |
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74 | /**
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75 | * Return a JSON representation of this node.
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76 | *
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77 | * @return {Object}
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78 | * @api public
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79 | */
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80 |
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81 | Arguments.prototype.toJSON = function(){
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82 | return {
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83 | __type: 'Arguments',
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84 | map: this.map,
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85 | isList: this.isList,
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86 | preserve: this.preserve,
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87 | lineno: this.lineno,
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88 | column: this.column,
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89 | filename: this.filename,
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90 | nodes: this.nodes
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91 | };
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92 | };
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