git.r.bdr.sh - rbdr/dotfiles/blob - atom/packages/ex-mode/node_modules/space-pen/node_modules/grim/node_modules/coffeestack/node_modules/coffee-script/lib/coffee-script/repl.js

   1 // Generated by CoffeeScript 1.8.0
   2 (function() {
   3   var CoffeeScript, addHistory, addMultilineHandler, fs, getCommandId, merge, nodeREPL, path, replDefaults, updateSyntaxError, vm, _ref;
   4
   5   fs = require('fs');
   6
   7   path = require('path');
   8
   9   vm = require('vm');
  10
  11   nodeREPL = require('repl');
  12
  13   CoffeeScript = require('./coffee-script');
  14
  15   _ref = require('./helpers'), merge = _ref.merge, updateSyntaxError = _ref.updateSyntaxError;
  16
  17   replDefaults = {
  18     prompt: 'coffee> ',
  19     historyFile: process.env.HOME ? path.join(process.env.HOME, '.coffee_history') : void 0,
  20     historyMaxInputSize: 10240,
  21     "eval": function(input, context, filename, cb) {
  22       var Assign, Block, Literal, Value, ast, err, js, result, _ref1;
  23       input = input.replace(/\uFF00/g, '\n');
  24       input = input.replace(/^\(([\s\S]*)\n\)$/m, '$1');
  25       _ref1 = require('./nodes'), Block = _ref1.Block, Assign = _ref1.Assign, Value = _ref1.Value, Literal = _ref1.Literal;
  26       try {
  27         ast = CoffeeScript.nodes(input);
  28         ast = new Block([new Assign(new Value(new Literal('_')), ast, '=')]);
  29         js = ast.compile({
  30           bare: true,
  31           locals: Object.keys(context)
  32         });
  33         result = context === global ? vm.runInThisContext(js, filename) : vm.runInContext(js, context, filename);
  34         return cb(null, result);
  35       } catch (_error) {
  36         err = _error;
  37         updateSyntaxError(err, input);
  38         return cb(err);
  39       }
  40     }
  41   };
  42
  43   addMultilineHandler = function(repl) {
  44     var inputStream, multiline, nodeLineListener, origPrompt, outputStream, rli, _ref1;
  45     rli = repl.rli, inputStream = repl.inputStream, outputStream = repl.outputStream;
  46     origPrompt = (_ref1 = repl._prompt) != null ? _ref1 : repl.prompt;
  47     multiline = {
  48       enabled: false,
  49       initialPrompt: origPrompt.replace(/^[^> ]*/, function(x) {
  50         return x.replace(/./g, '-');
  51       }),
  52       prompt: origPrompt.replace(/^[^> ]*>?/, function(x) {
  53         return x.replace(/./g, '.');
  54       }),
  55       buffer: ''
  56     };
  57     nodeLineListener = rli.listeners('line')[0];
  58     rli.removeListener('line', nodeLineListener);
  59     rli.on('line', function(cmd) {
  60       if (multiline.enabled) {
  61         multiline.buffer += "" + cmd + "\n";
  62         rli.setPrompt(multiline.prompt);
  63         rli.prompt(true);
  64       } else {
  65         rli.setPrompt(origPrompt);
  66         nodeLineListener(cmd);
  67       }
  68     });
  69     return inputStream.on('keypress', function(char, key) {
  70       if (!(key && key.ctrl && !key.meta && !key.shift && key.name === 'v')) {
  71         return;
  72       }
  73       if (multiline.enabled) {
  74         if (!multiline.buffer.match(/\n/)) {
  75           multiline.enabled = !multiline.enabled;
  76           rli.setPrompt(origPrompt);
  77           rli.prompt(true);
  78           return;
  79         }
  80         if ((rli.line != null) && !rli.line.match(/^\s*$/)) {
  81           return;
  82         }
  83         multiline.enabled = !multiline.enabled;
  84         rli.line = '';
  85         rli.cursor = 0;
  86         rli.output.cursorTo(0);
  87         rli.output.clearLine(1);
  88         multiline.buffer = multiline.buffer.replace(/\n/g, '\uFF00');
  89         rli.emit('line', multiline.buffer);
  90         multiline.buffer = '';
  91       } else {
  92         multiline.enabled = !multiline.enabled;
  93         rli.setPrompt(multiline.initialPrompt);
  94         rli.prompt(true);
  95       }
  96     });
  97   };
  98
  99   addHistory = function(repl, filename, maxSize) {
 100     var buffer, fd, lastLine, readFd, size, stat;
 101     lastLine = null;
 102     try {
 103       stat = fs.statSync(filename);
 104       size = Math.min(maxSize, stat.size);
 105       readFd = fs.openSync(filename, 'r');
 106       buffer = new Buffer(size);
 107       fs.readSync(readFd, buffer, 0, size, stat.size - size);
 108       repl.rli.history = buffer.toString().split('\n').reverse();
 109       if (stat.size > maxSize) {
 110         repl.rli.history.pop();
 111       }
 112       if (repl.rli.history[0] === '') {
 113         repl.rli.history.shift();
 114       }
 115       repl.rli.historyIndex = -1;
 116       lastLine = repl.rli.history[0];
 117     } catch (_error) {}
 118     fd = fs.openSync(filename, 'a');
 119     repl.rli.addListener('line', function(code) {
 120       if (code && code.length && code !== '.history' && lastLine !== code) {
 121         fs.write(fd, "" + code + "\n");
 122         return lastLine = code;
 123       }
 124     });
 125     repl.rli.on('exit', function() {
 126       return fs.close(fd);
 127     });
 128     return repl.commands[getCommandId(repl, 'history')] = {
 129       help: 'Show command history',
 130       action: function() {
 131         repl.outputStream.write("" + (repl.rli.history.slice(0).reverse().join('\n')) + "\n");
 132         return repl.displayPrompt();
 133       }
 134     };
 135   };
 136
 137   getCommandId = function(repl, commandName) {
 138     var commandsHaveLeadingDot;
 139     commandsHaveLeadingDot = repl.commands['.help'] != null;
 140     if (commandsHaveLeadingDot) {
 141       return "." + commandName;
 142     } else {
 143       return commandName;
 144     }
 145   };
 146
 147   module.exports = {
 148     start: function(opts) {
 149       var build, major, minor, repl, _ref1;
 150       if (opts == null) {
 151         opts = {};
 152       }
 153       _ref1 = process.versions.node.split('.').map(function(n) {
 154         return parseInt(n);
 155       }), major = _ref1[0], minor = _ref1[1], build = _ref1[2];
 156       if (major === 0 && minor < 8) {
 157         console.warn("Node 0.8.0+ required for CoffeeScript REPL");
 158         process.exit(1);
 159       }
 160       CoffeeScript.register();
 161       process.argv = ['coffee'].concat(process.argv.slice(2));
 162       opts = merge(replDefaults, opts);
 163       repl = nodeREPL.start(opts);
 164       repl.on('exit', function() {
 165         return repl.outputStream.write('\n');
 166       });
 167       addMultilineHandler(repl);
 168       if (opts.historyFile) {
 169         addHistory(repl, opts.historyFile, opts.historyMaxInputSize);
 170       }
 171       repl.commands[getCommandId(repl, 'load')].help = 'Load code from a file into this REPL session';
 172       return repl;
 173     }
 174   };
 175
 176 }).call(this);