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1 // CodeMirror, copyright (c) by Marijn Haverbeke and others
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2 // Distributed under an MIT license: https://codemirror.net/5/LICENSE
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3
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4 // Glue code between CodeMirror and Tern.
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5 //
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6 // Create a CodeMirror.TernServer to wrap an actual Tern server,
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7 // register open documents (CodeMirror.Doc instances) with it, and
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8 // call its methods to activate the assisting functions that Tern
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9 // provides.
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10 //
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11 // Options supported (all optional):
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12 // * defs: An array of JSON definition data structures.
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13 // * plugins: An object mapping plugin names to configuration
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14 // options.
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15 // * getFile: A function(name, c) that can be used to access files in
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16 // the project that haven't been loaded yet. Simply do c(null) to
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17 // indicate that a file is not available.
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18 // * fileFilter: A function(value, docName, doc) that will be applied
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19 // to documents before passing them on to Tern.
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20 // * switchToDoc: A function(name, doc) that should, when providing a
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21 // multi-file view, switch the view or focus to the named file.
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22 // * showError: A function(editor, message) that can be used to
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23 // override the way errors are displayed.
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24 // * completionTip: Customize the content in tooltips for completions.
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25 // Is passed a single argument—the completion's data as returned by
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26 // Tern—and may return a string, DOM node, or null to indicate that
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27 // no tip should be shown. By default the docstring is shown.
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28 // * typeTip: Like completionTip, but for the tooltips shown for type
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29 // queries.
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30 // * responseFilter: A function(doc, query, request, error, data) that
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31 // will be applied to the Tern responses before treating them
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32 //
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33 //
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34 // It is possible to run the Tern server in a web worker by specifying
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35 // these additional options:
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36 // * useWorker: Set to true to enable web worker mode. You'll probably
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37 // want to feature detect the actual value you use here, for example
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38 // !!window.Worker.
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39 // * workerScript: The main script of the worker. Point this to
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40 // wherever you are hosting worker.js from this directory.
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41 // * workerDeps: An array of paths pointing (relative to workerScript)
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42 // to the Acorn and Tern libraries and any Tern plugins you want to
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43 // load. Or, if you minified those into a single script and included
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44 // them in the workerScript, simply leave this undefined.
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45
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46 (function(mod) {
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47 if (typeof exports == "object" && typeof module == "object") // CommonJS
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48 mod(require("../../lib/codemirror"));
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49 else if (typeof define == "function" && define.amd) // AMD
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50 define(["../../lib/codemirror"], mod);
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51 else // Plain browser env
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52 mod(CodeMirror);
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53 })(function(CodeMirror) {
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54 "use strict";
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55 // declare global: tern
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56
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57 CodeMirror.TernServer = function(options) {
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58 var self = this;
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59 this.options = options || {};
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60 var plugins = this.options.plugins || (this.options.plugins = {});
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61 if (!plugins.doc_comment) plugins.doc_comment = true;
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62 this.docs = Object.create(null);
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63 if (this.options.useWorker) {
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64 this.server = new WorkerServer(this);
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65 } else {
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66 this.server = new tern.Server({
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67 getFile: function(name, c) { return getFile(self, name, c); },
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68 async: true,
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69 defs: this.options.defs || [],
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70 plugins: plugins
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71 });
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72 }
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73 this.trackChange = function(doc, change) { trackChange(self, doc, change); };
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74
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75 this.cachedArgHints = null;
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76 this.activeArgHints = null;
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77 this.jumpStack = [];
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78
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79 this.getHint = function(cm, c) { return hint(self, cm, c); };
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80 this.getHint.async = true;
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81 };
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82
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83 CodeMirror.TernServer.prototype = {
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84 addDoc: function(name, doc) {
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85 var data = {doc: doc, name: name, changed: null};
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86 this.server.addFile(name, docValue(this, data));
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87 CodeMirror.on(doc, "change", this.trackChange);
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88 return this.docs[name] = data;
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89 },
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90
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91 delDoc: function(id) {
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92 var found = resolveDoc(this, id);
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93 if (!found) return;
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94 CodeMirror.off(found.doc, "change", this.trackChange);
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95 delete this.docs[found.name];
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96 this.server.delFile(found.name);
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97 },
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98
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99 hideDoc: function(id) {
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100 closeArgHints(this);
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101 var found = resolveDoc(this, id);
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102 if (found && found.changed) sendDoc(this, found);
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103 },
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104
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105 complete: function(cm) {
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106 cm.showHint({hint: this.getHint});
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107 },
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108
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109 showType: function(cm, pos, c) { showContextInfo(this, cm, pos, "type", c); },
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110
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111 showDocs: function(cm, pos, c) { showContextInfo(this, cm, pos, "documentation", c); },
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112
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113 updateArgHints: function(cm) { updateArgHints(this, cm); },
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114
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115 jumpToDef: function(cm) { jumpToDef(this, cm); },
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116
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117 jumpBack: function(cm) { jumpBack(this, cm); },
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118
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119 rename: function(cm) { rename(this, cm); },
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120
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121 selectName: function(cm) { selectName(this, cm); },
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122
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123 request: function (cm, query, c, pos) {
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124 var self = this;
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125 var doc = findDoc(this, cm.getDoc());
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126 var request = buildRequest(this, doc, query, pos);
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127 var extraOptions = request.query && this.options.queryOptions && this.options.queryOptions[request.query.type]
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128 if (extraOptions) for (var prop in extraOptions) request.query[prop] = extraOptions[prop];
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129
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130 this.server.request(request, function (error, data) {
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131 if (!error && self.options.responseFilter)
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132 data = self.options.responseFilter(doc, query, request, error, data);
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133 c(error, data);
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134 });
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135 },
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136
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137 destroy: function () {
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138 closeArgHints(this)
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139 if (this.worker) {
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140 this.worker.terminate();
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141 this.worker = null;
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142 }
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143 }
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144 };
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145
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146 var Pos = CodeMirror.Pos;
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147 var cls = "CodeMirror-Tern-";
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148 var bigDoc = 250;
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149
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150 function getFile(ts, name, c) {
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151 var buf = ts.docs[name];
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152 if (buf)
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153 c(docValue(ts, buf));
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154 else if (ts.options.getFile)
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155 ts.options.getFile(name, c);
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156 else
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157 c(null);
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158 }
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159
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160 function findDoc(ts, doc, name) {
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161 for (var n in ts.docs) {
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162 var cur = ts.docs[n];
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163 if (cur.doc == doc) return cur;
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164 }
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165 if (!name) for (var i = 0;; ++i) {
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166 n = "[doc" + (i || "") + "]";
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167 if (!ts.docs[n]) { name = n; break; }
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168 }
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169 return ts.addDoc(name, doc);
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170 }
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171
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172 function resolveDoc(ts, id) {
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173 if (typeof id == "string") return ts.docs[id];
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174 if (id instanceof CodeMirror) id = id.getDoc();
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175 if (id instanceof CodeMirror.Doc) return findDoc(ts, id);
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176 }
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177
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178 function trackChange(ts, doc, change) {
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179 var data = findDoc(ts, doc);
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180
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181 var argHints = ts.cachedArgHints;
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182 if (argHints && argHints.doc == doc && cmpPos(argHints.start, change.to) >= 0)
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183 ts.cachedArgHints = null;
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184
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185 var changed = data.changed;
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186 if (changed == null)
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187 data.changed = changed = {from: change.from.line, to: change.from.line};
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188 var end = change.from.line + (change.text.length - 1);
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189 if (change.from.line < changed.to) changed.to = changed.to - (change.to.line - end);
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190 if (end >= changed.to) changed.to = end + 1;
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191 if (changed.from > change.from.line) changed.from = change.from.line;
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192
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193 if (doc.lineCount() > bigDoc && change.to - changed.from > 100) setTimeout(function() {
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194 if (data.changed && data.changed.to - data.changed.from > 100) sendDoc(ts, data);
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195 }, 200);
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196 }
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197
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198 function sendDoc(ts, doc) {
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199 ts.server.request({files: [{type: "full", name: doc.name, text: docValue(ts, doc)}]}, function(error) {
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200 if (error) window.console.error(error);
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201 else doc.changed = null;
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202 });
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203 }
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204
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205 // Completion
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206
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207 function hint(ts, cm, c) {
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208 ts.request(cm, {type: "completions", types: true, docs: true, urls: true}, function(error, data) {
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209 if (error) return showError(ts, cm, error);
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210 var completions = [], after = "";
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211 var from = data.start, to = data.end;
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212 if (cm.getRange(Pos(from.line, from.ch - 2), from) == "[\"" &&
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213 cm.getRange(to, Pos(to.line, to.ch + 2)) != "\"]")
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214 after = "\"]";
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215
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216 for (var i = 0; i < data.completions.length; ++i) {
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217 var completion = data.completions[i], className = typeToIcon(completion.type);
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218 if (data.guess) className += " " + cls + "guess";
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219 completions.push({text: completion.name + after,
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220 displayText: completion.displayName || completion.name,
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221 className: className,
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222 data: completion});
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223 }
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224
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225 var obj = {from: from, to: to, list: completions};
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226 var tooltip = null;
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227 CodeMirror.on(obj, "close", function() { remove(tooltip); });
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228 CodeMirror.on(obj, "update", function() { remove(tooltip); });
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229 CodeMirror.on(obj, "select", function(cur, node) {
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230 remove(tooltip);
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231 var content = ts.options.completionTip ? ts.options.completionTip(cur.data) : cur.data.doc;
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232 if (content) {
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233 tooltip = makeTooltip(node.parentNode.getBoundingClientRect().right + window.pageXOffset,
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234 node.getBoundingClientRect().top + window.pageYOffset, content, cm, cls + "hint-doc");
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235 }
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236 });
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237 c(obj);
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238 });
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239 }
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240
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241 function typeToIcon(type) {
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242 var suffix;
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243 if (type == "?") suffix = "unknown";
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244 else if (type == "number" || type == "string" || type == "bool") suffix = type;
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245 else if (/^fn\(/.test(type)) suffix = "fn";
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246 else if (/^\[/.test(type)) suffix = "array";
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247 else suffix = "object";
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248 return cls + "completion " + cls + "completion-" + suffix;
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249 }
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250
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251 // Type queries
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252
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253 function showContextInfo(ts, cm, pos, queryName, c) {
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254 ts.request(cm, queryName, function(error, data) {
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255 if (error) return showError(ts, cm, error);
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256 if (ts.options.typeTip) {
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257 var tip = ts.options.typeTip(data);
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258 } else {
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259 var tip = elt("span", null, elt("strong", null, data.type || "not found"));
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260 if (data.doc)
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261 tip.appendChild(document.createTextNode(" — " + data.doc));
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262 if (data.url) {
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263 tip.appendChild(document.createTextNode(" "));
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264 var child = tip.appendChild(elt("a", null, "[docs]"));
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265 child.href = data.url;
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266 child.target = "_blank";
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267 }
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268 }
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269 tempTooltip(cm, tip, ts);
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270 if (c) c();
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271 }, pos);
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272 }
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273
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274 // Maintaining argument hints
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275
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276 function updateArgHints(ts, cm) {
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277 closeArgHints(ts);
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278
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279 if (cm.somethingSelected()) return;
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280 var state = cm.getTokenAt(cm.getCursor()).state;
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281 var inner = CodeMirror.innerMode(cm.getMode(), state);
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282 if (inner.mode.name != "javascript") return;
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283 var lex = inner.state.lexical;
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284 if (lex.info != "call") return;
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285
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286 var ch, argPos = lex.pos || 0, tabSize = cm.getOption("tabSize");
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287 for (var line = cm.getCursor().line, e = Math.max(0, line - 9), found = false; line >= e; --line) {
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288 var str = cm.getLine(line), extra = 0;
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289 for (var pos = 0;;) {
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290 var tab = str.indexOf("\t", pos);
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291 if (tab == -1) break;
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292 extra += tabSize - (tab + extra) % tabSize - 1;
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293 pos = tab + 1;
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294 }
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295 ch = lex.column - extra;
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296 if (str.charAt(ch) == "(") {found = true; break;}
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297 }
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298 if (!found) return;
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299
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300 var start = Pos(line, ch);
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301 var cache = ts.cachedArgHints;
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302 if (cache && cache.doc == cm.getDoc() && cmpPos(start, cache.start) == 0)
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303 return showArgHints(ts, cm, argPos);
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304
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305 ts.request(cm, {type: "type", preferFunction: true, end: start}, function(error, data) {
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306 if (error || !data.type || !(/^fn\(/).test(data.type)) return;
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307 ts.cachedArgHints = {
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308 start: start,
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309 type: parseFnType(data.type),
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310 name: data.exprName || data.name || "fn",
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311 guess: data.guess,
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312 doc: cm.getDoc()
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313 };
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314 showArgHints(ts, cm, argPos);
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315 });
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316 }
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317
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318 function showArgHints(ts, cm, pos) {
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319 closeArgHints(ts);
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320
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321 var cache = ts.cachedArgHints, tp = cache.type;
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322 var tip = elt("span", cache.guess ? cls + "fhint-guess" : null,
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323 elt("span", cls + "fname", cache.name), "(");
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324 for (var i = 0; i < tp.args.length; ++i) {
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325 if (i) tip.appendChild(document.createTextNode(", "));
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326 var arg = tp.args[i];
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327 tip.appendChild(elt("span", cls + "farg" + (i == pos ? " " + cls + "farg-current" : ""), arg.name || "?"));
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328 if (arg.type != "?") {
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329 tip.appendChild(document.createTextNode(":\u00a0"));
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330 tip.appendChild(elt("span", cls + "type", arg.type));
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331 }
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332 }
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333 tip.appendChild(document.createTextNode(tp.rettype ? ") ->\u00a0" : ")"));
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334 if (tp.rettype) tip.appendChild(elt("span", cls + "type", tp.rettype));
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335 var place = cm.cursorCoords(null, "page");
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336 var tooltip = ts.activeArgHints = makeTooltip(place.right + 1, place.bottom, tip, cm)
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337 setTimeout(function() {
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338 tooltip.clear = onEditorActivity(cm, function() {
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339 if (ts.activeArgHints == tooltip) closeArgHints(ts) })
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340 }, 20)
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341 }
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342
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343 function parseFnType(text) {
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344 var args = [], pos = 3;
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345
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346 function skipMatching(upto) {
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347 var depth = 0, start = pos;
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348 for (;;) {
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349 var next = text.charAt(pos);
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350 if (upto.test(next) && !depth) return text.slice(start, pos);
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351 if (/[{\[\(]/.test(next)) ++depth;
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352 else if (/[}\]\)]/.test(next)) --depth;
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353 ++pos;
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354 }
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355 }
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356
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357 // Parse arguments
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358 if (text.charAt(pos) != ")") for (;;) {
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359 var name = text.slice(pos).match(/^([^, \(\[\{]+): /);
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360 if (name) {
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361 pos += name[0].length;
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362 name = name[1];
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363 }
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364 args.push({name: name, type: skipMatching(/[\),]/)});
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365 if (text.charAt(pos) == ")") break;
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366 pos += 2;
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367 }
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368
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369 var rettype = text.slice(pos).match(/^\) -> (.*)$/);
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370
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371 return {args: args, rettype: rettype && rettype[1]};
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372 }
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373
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374 // Moving to the definition of something
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375
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376 function jumpToDef(ts, cm) {
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377 function inner(varName) {
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378 var req = {type: "definition", variable: varName || null};
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379 var doc = findDoc(ts, cm.getDoc());
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380 ts.server.request(buildRequest(ts, doc, req), function(error, data) {
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381 if (error) return showError(ts, cm, error);
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382 if (!data.file && data.url) { window.open(data.url); return; }
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383
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384 if (data.file) {
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385 var localDoc = ts.docs[data.file], found;
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386 if (localDoc && (found = findContext(localDoc.doc, data))) {
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387 ts.jumpStack.push({file: doc.name,
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388 start: cm.getCursor("from"),
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389 end: cm.getCursor("to")});
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390 moveTo(ts, doc, localDoc, found.start, found.end);
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391 return;
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392 }
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393 }
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394 showError(ts, cm, "Could not find a definition.");
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395 });
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396 }
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397
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398 if (!atInterestingExpression(cm))
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399 dialog(cm, "Jump to variable", function(name) { if (name) inner(name); });
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400 else
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401 inner();
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402 }
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403
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404 function jumpBack(ts, cm) {
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405 var pos = ts.jumpStack.pop(), doc = pos && ts.docs[pos.file];
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406 if (!doc) return;
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407 moveTo(ts, findDoc(ts, cm.getDoc()), doc, pos.start, pos.end);
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408 }
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409
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410 function moveTo(ts, curDoc, doc, start, end) {
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411 doc.doc.setSelection(start, end);
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412 if (curDoc != doc && ts.options.switchToDoc) {
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413 closeArgHints(ts);
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414 ts.options.switchToDoc(doc.name, doc.doc);
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415 }
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416 }
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417
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418 // The {line,ch} representation of positions makes this rather awkward.
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419 function findContext(doc, data) {
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420 var before = data.context.slice(0, data.contextOffset).split("\n");
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421 var startLine = data.start.line - (before.length - 1);
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422 var start = Pos(startLine, (before.length == 1 ? data.start.ch : doc.getLine(startLine).length) - before[0].length);
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423
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424 var text = doc.getLine(startLine).slice(start.ch);
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425 for (var cur = startLine + 1; cur < doc.lineCount() && text.length < data.context.length; ++cur)
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426 text += "\n" + doc.getLine(cur);
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427 if (text.slice(0, data.context.length) == data.context) return data;
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428
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429 var cursor = doc.getSearchCursor(data.context, 0, false);
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430 var nearest, nearestDist = Infinity;
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431 while (cursor.findNext()) {
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432 var from = cursor.from(), dist = Math.abs(from.line - start.line) * 10000;
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|
433 if (!dist) dist = Math.abs(from.ch - start.ch);
|
|
434 if (dist < nearestDist) { nearest = from; nearestDist = dist; }
|
|
435 }
|
|
436 if (!nearest) return null;
|
|
437
|
|
438 if (before.length == 1)
|
|
439 nearest.ch += before[0].length;
|
|
440 else
|
|
441 nearest = Pos(nearest.line + (before.length - 1), before[before.length - 1].length);
|
|
442 if (data.start.line == data.end.line)
|
|
443 var end = Pos(nearest.line, nearest.ch + (data.end.ch - data.start.ch));
|
|
444 else
|
|
445 var end = Pos(nearest.line + (data.end.line - data.start.line), data.end.ch);
|
|
446 return {start: nearest, end: end};
|
|
447 }
|
|
448
|
|
449 function atInterestingExpression(cm) {
|
|
450 var pos = cm.getCursor("end"), tok = cm.getTokenAt(pos);
|
|
451 if (tok.start < pos.ch && tok.type == "comment") return false;
|
|
452 return /[\w)\]]/.test(cm.getLine(pos.line).slice(Math.max(pos.ch - 1, 0), pos.ch + 1));
|
|
453 }
|
|
454
|
|
455 // Variable renaming
|
|
456
|
|
457 function rename(ts, cm) {
|
|
458 var token = cm.getTokenAt(cm.getCursor());
|
|
459 if (!/\w/.test(token.string)) return showError(ts, cm, "Not at a variable");
|
|
460 dialog(cm, "New name for " + token.string, function(newName) {
|
|
461 ts.request(cm, {type: "rename", newName: newName, fullDocs: true}, function(error, data) {
|
|
462 if (error) return showError(ts, cm, error);
|
|
463 applyChanges(ts, data.changes);
|
|
464 });
|
|
465 });
|
|
466 }
|
|
467
|
|
468 function selectName(ts, cm) {
|
|
469 var name = findDoc(ts, cm.doc).name;
|
|
470 ts.request(cm, {type: "refs"}, function(error, data) {
|
|
471 if (error) return showError(ts, cm, error);
|
|
472 var ranges = [], cur = 0;
|
|
473 var curPos = cm.getCursor();
|
|
474 for (var i = 0; i < data.refs.length; i++) {
|
|
475 var ref = data.refs[i];
|
|
476 if (ref.file == name) {
|
|
477 ranges.push({anchor: ref.start, head: ref.end});
|
|
478 if (cmpPos(curPos, ref.start) >= 0 && cmpPos(curPos, ref.end) <= 0)
|
|
479 cur = ranges.length - 1;
|
|
480 }
|
|
481 }
|
|
482 cm.setSelections(ranges, cur);
|
|
483 });
|
|
484 }
|
|
485
|
|
486 var nextChangeOrig = 0;
|
|
487 function applyChanges(ts, changes) {
|
|
488 var perFile = Object.create(null);
|
|
489 for (var i = 0; i < changes.length; ++i) {
|
|
490 var ch = changes[i];
|
|
491 (perFile[ch.file] || (perFile[ch.file] = [])).push(ch);
|
|
492 }
|
|
493 for (var file in perFile) {
|
|
494 var known = ts.docs[file], chs = perFile[file];;
|
|
495 if (!known) continue;
|
|
496 chs.sort(function(a, b) { return cmpPos(b.start, a.start); });
|
|
497 var origin = "*rename" + (++nextChangeOrig);
|
|
498 for (var i = 0; i < chs.length; ++i) {
|
|
499 var ch = chs[i];
|
|
500 known.doc.replaceRange(ch.text, ch.start, ch.end, origin);
|
|
501 }
|
|
502 }
|
|
503 }
|
|
504
|
|
505 // Generic request-building helper
|
|
506
|
|
507 function buildRequest(ts, doc, query, pos) {
|
|
508 var files = [], offsetLines = 0, allowFragments = !query.fullDocs;
|
|
509 if (!allowFragments) delete query.fullDocs;
|
|
510 if (typeof query == "string") query = {type: query};
|
|
511 query.lineCharPositions = true;
|
|
512 if (query.end == null) {
|
|
513 query.end = pos || doc.doc.getCursor("end");
|
|
514 if (doc.doc.somethingSelected())
|
|
515 query.start = doc.doc.getCursor("start");
|
|
516 }
|
|
517 var startPos = query.start || query.end;
|
|
518
|
|
519 if (doc.changed) {
|
|
520 if (doc.doc.lineCount() > bigDoc && allowFragments !== false &&
|
|
521 doc.changed.to - doc.changed.from < 100 &&
|
|
522 doc.changed.from <= startPos.line && doc.changed.to > query.end.line) {
|
|
523 files.push(getFragmentAround(doc, startPos, query.end));
|
|
524 query.file = "#0";
|
|
525 var offsetLines = files[0].offsetLines;
|
|
526 if (query.start != null) query.start = Pos(query.start.line - -offsetLines, query.start.ch);
|
|
527 query.end = Pos(query.end.line - offsetLines, query.end.ch);
|
|
528 } else {
|
|
529 files.push({type: "full",
|
|
530 name: doc.name,
|
|
531 text: docValue(ts, doc)});
|
|
532 query.file = doc.name;
|
|
533 doc.changed = null;
|
|
534 }
|
|
535 } else {
|
|
536 query.file = doc.name;
|
|
537 }
|
|
538 for (var name in ts.docs) {
|
|
539 var cur = ts.docs[name];
|
|
540 if (cur.changed && cur != doc) {
|
|
541 files.push({type: "full", name: cur.name, text: docValue(ts, cur)});
|
|
542 cur.changed = null;
|
|
543 }
|
|
544 }
|
|
545
|
|
546 return {query: query, files: files};
|
|
547 }
|
|
548
|
|
549 function getFragmentAround(data, start, end) {
|
|
550 var doc = data.doc;
|
|
551 var minIndent = null, minLine = null, endLine, tabSize = 4;
|
|
552 for (var p = start.line - 1, min = Math.max(0, p - 50); p >= min; --p) {
|
|
553 var line = doc.getLine(p), fn = line.search(/\bfunction\b/);
|
|
554 if (fn < 0) continue;
|
|
555 var indent = CodeMirror.countColumn(line, null, tabSize);
|
|
556 if (minIndent != null && minIndent <= indent) continue;
|
|
557 minIndent = indent;
|
|
558 minLine = p;
|
|
559 }
|
|
560 if (minLine == null) minLine = min;
|
|
561 var max = Math.min(doc.lastLine(), end.line + 20);
|
|
562 if (minIndent == null || minIndent == CodeMirror.countColumn(doc.getLine(start.line), null, tabSize))
|
|
563 endLine = max;
|
|
564 else for (endLine = end.line + 1; endLine < max; ++endLine) {
|
|
565 var indent = CodeMirror.countColumn(doc.getLine(endLine), null, tabSize);
|
|
566 if (indent <= minIndent) break;
|
|
567 }
|
|
568 var from = Pos(minLine, 0);
|
|
569
|
|
570 return {type: "part",
|
|
571 name: data.name,
|
|
572 offsetLines: from.line,
|
|
573 text: doc.getRange(from, Pos(endLine, end.line == endLine ? null : 0))};
|
|
574 }
|
|
575
|
|
576 // Generic utilities
|
|
577
|
|
578 var cmpPos = CodeMirror.cmpPos;
|
|
579
|
|
580 function elt(tagname, cls /*, ... elts*/) {
|
|
581 var e = document.createElement(tagname);
|
|
582 if (cls) e.className = cls;
|
|
583 for (var i = 2; i < arguments.length; ++i) {
|
|
584 var elt = arguments[i];
|
|
585 if (typeof elt == "string") elt = document.createTextNode(elt);
|
|
586 e.appendChild(elt);
|
|
587 }
|
|
588 return e;
|
|
589 }
|
|
590
|
|
591 function dialog(cm, text, f) {
|
|
592 if (cm.openDialog) {
|
|
593 var fragment = document.createDocumentFragment();
|
|
594 fragment.appendChild(document.createTextNode(text + ": "));
|
|
595 var input = document.createElement("input");
|
|
596 input.type = "text";
|
|
597 fragment.appendChild(input);
|
|
598 cm.openDialog(fragment, f);
|
|
599 } else {
|
|
600 f(prompt(text, ""));
|
|
601 }
|
|
602 }
|
|
603
|
|
604 // Tooltips
|
|
605
|
|
606 function tempTooltip(cm, content, ts) {
|
|
607 if (cm.state.ternTooltip) remove(cm.state.ternTooltip);
|
|
608 var where = cm.cursorCoords();
|
|
609 var tip = cm.state.ternTooltip = makeTooltip(where.right + 1, where.bottom, content, cm);
|
|
610 function maybeClear() {
|
|
611 old = true;
|
|
612 if (!mouseOnTip) clear();
|
|
613 }
|
|
614 function clear() {
|
|
615 cm.state.ternTooltip = null;
|
|
616 if (tip.parentNode) fadeOut(tip)
|
|
617 clearActivity()
|
|
618 }
|
|
619 var mouseOnTip = false, old = false;
|
|
620 CodeMirror.on(tip, "mousemove", function() { mouseOnTip = true; });
|
|
621 CodeMirror.on(tip, "mouseout", function(e) {
|
|
622 var related = e.relatedTarget || e.toElement
|
|
623 if (!related || !CodeMirror.contains(tip, related)) {
|
|
624 if (old) clear();
|
|
625 else mouseOnTip = false;
|
|
626 }
|
|
627 });
|
|
628 setTimeout(maybeClear, ts.options.hintDelay ? ts.options.hintDelay : 1700);
|
|
629 var clearActivity = onEditorActivity(cm, clear)
|
|
630 }
|
|
631
|
|
632 function onEditorActivity(cm, f) {
|
|
633 cm.on("cursorActivity", f)
|
|
634 cm.on("blur", f)
|
|
635 cm.on("scroll", f)
|
|
636 cm.on("setDoc", f)
|
|
637 return function() {
|
|
638 cm.off("cursorActivity", f)
|
|
639 cm.off("blur", f)
|
|
640 cm.off("scroll", f)
|
|
641 cm.off("setDoc", f)
|
|
642 }
|
|
643 }
|
|
644
|
|
645 function makeTooltip(x, y, content, cm, className) {
|
|
646 var node = elt("div", cls + "tooltip" + " " + (className || ""), content);
|
|
647 node.style.left = x + "px";
|
|
648 node.style.top = y + "px";
|
|
649 var container = ((cm.options || {}).hintOptions || {}).container || document.body;
|
|
650 container.appendChild(node);
|
|
651
|
|
652 var pos = cm.cursorCoords();
|
|
653 var winW = window.innerWidth;
|
|
654 var winH = window.innerHeight;
|
|
655 var box = node.getBoundingClientRect();
|
|
656 var hints = document.querySelector(".CodeMirror-hints");
|
|
657 var overlapY = box.bottom - winH;
|
|
658 var overlapX = box.right - winW;
|
|
659
|
|
660 if (hints && overlapX > 0) {
|
|
661 node.style.left = 0;
|
|
662 var box = node.getBoundingClientRect();
|
|
663 node.style.left = (x = x - hints.offsetWidth - box.width) + "px";
|
|
664 overlapX = box.right - winW;
|
|
665 }
|
|
666 if (overlapY > 0) {
|
|
667 var height = box.bottom - box.top, curTop = pos.top - (pos.bottom - box.top);
|
|
668 if (curTop - height > 0) { // Fits above cursor
|
|
669 node.style.top = (pos.top - height) + "px";
|
|
670 } else if (height > winH) {
|
|
671 node.style.height = (winH - 5) + "px";
|
|
672 node.style.top = (pos.bottom - box.top) + "px";
|
|
673 }
|
|
674 }
|
|
675 if (overlapX > 0) {
|
|
676 if (box.right - box.left > winW) {
|
|
677 node.style.width = (winW - 5) + "px";
|
|
678 overlapX -= (box.right - box.left) - winW;
|
|
679 }
|
|
680 node.style.left = (x - overlapX) + "px";
|
|
681 }
|
|
682
|
|
683 return node;
|
|
684 }
|
|
685
|
|
686 function remove(node) {
|
|
687 var p = node && node.parentNode;
|
|
688 if (p) p.removeChild(node);
|
|
689 }
|
|
690
|
|
691 function fadeOut(tooltip) {
|
|
692 tooltip.style.opacity = "0";
|
|
693 setTimeout(function() { remove(tooltip); }, 1100);
|
|
694 }
|
|
695
|
|
696 function showError(ts, cm, msg) {
|
|
697 if (ts.options.showError)
|
|
698 ts.options.showError(cm, msg);
|
|
699 else
|
|
700 tempTooltip(cm, String(msg), ts);
|
|
701 }
|
|
702
|
|
703 function closeArgHints(ts) {
|
|
704 if (ts.activeArgHints) {
|
|
705 if (ts.activeArgHints.clear) ts.activeArgHints.clear()
|
|
706 remove(ts.activeArgHints)
|
|
707 ts.activeArgHints = null
|
|
708 }
|
|
709 }
|
|
710
|
|
711 function docValue(ts, doc) {
|
|
712 var val = doc.doc.getValue();
|
|
713 if (ts.options.fileFilter) val = ts.options.fileFilter(val, doc.name, doc.doc);
|
|
714 return val;
|
|
715 }
|
|
716
|
|
717 // Worker wrapper
|
|
718
|
|
719 function WorkerServer(ts) {
|
|
720 var worker = ts.worker = new Worker(ts.options.workerScript);
|
|
721 worker.postMessage({type: "init",
|
|
722 defs: ts.options.defs,
|
|
723 plugins: ts.options.plugins,
|
|
724 scripts: ts.options.workerDeps});
|
|
725 var msgId = 0, pending = {};
|
|
726
|
|
727 function send(data, c) {
|
|
728 if (c) {
|
|
729 data.id = ++msgId;
|
|
730 pending[msgId] = c;
|
|
731 }
|
|
732 worker.postMessage(data);
|
|
733 }
|
|
734 worker.onmessage = function(e) {
|
|
735 var data = e.data;
|
|
736 if (data.type == "getFile") {
|
|
737 getFile(ts, data.name, function(err, text) {
|
|
738 send({type: "getFile", err: String(err), text: text, id: data.id});
|
|
739 });
|
|
740 } else if (data.type == "debug") {
|
|
741 window.console.log(data.message);
|
|
742 } else if (data.id && pending[data.id]) {
|
|
743 pending[data.id](data.err, data.body);
|
|
744 delete pending[data.id];
|
|
745 }
|
|
746 };
|
|
747 worker.onerror = function(e) {
|
|
748 for (var id in pending) pending[id](e);
|
|
749 pending = {};
|
|
750 };
|
|
751
|
|
752 this.addFile = function(name, text) { send({type: "add", name: name, text: text}); };
|
|
753 this.delFile = function(name) { send({type: "del", name: name}); };
|
|
754 this.request = function(body, c) { send({type: "req", body: body}, c); };
|
|
755 }
|
|
756 });
|