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12 | var Node = require('./node');
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20 | var Root = module.exports = function Root(){
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21 | this.nodes = [];
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22 | };
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28 | Root.prototype.__proto__ = Node.prototype;
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37 | Root.prototype.push = function(node){
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38 | this.nodes.push(node);
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39 | };
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48 | Root.prototype.unshift = function(node){
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49 | this.nodes.unshift(node);
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50 | };
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58 |
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59 | Root.prototype.clone = function(){
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60 | var clone = new Root();
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61 | clone.lineno = this.lineno;
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62 | clone.column = this.column;
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63 | clone.filename = this.filename;
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64 | this.nodes.forEach(function(node){
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65 | clone.push(node.clone(clone, clone));
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66 | });
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67 | return clone;
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68 | };
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77 | Root.prototype.toString = function(){
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78 | return '[Root]';
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79 | };
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88 | Root.prototype.toJSON = function(){
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89 | return {
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90 | __type: 'Root',
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91 | nodes: this.nodes,
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92 | lineno: this.lineno,
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93 | column: this.column,
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94 | filename: this.filename
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95 | };
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96 | };
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