anorgatarrak-wordpress-theme/node_modules/coffeescript/lib/coffee-script/repl.js

203 lines
6.4 KiB
JavaScript

// Generated by CoffeeScript 1.10.0
(function() {
var CoffeeScript, addHistory, addMultilineHandler, fs, getCommandId, merge, nodeREPL, path, ref, replDefaults, runInContext, updateSyntaxError, vm;
fs = require('fs');
path = require('path');
vm = require('vm');
nodeREPL = require('repl');
CoffeeScript = require('./coffee-script');
ref = require('./helpers'), merge = ref.merge, updateSyntaxError = ref.updateSyntaxError;
replDefaults = {
prompt: 'coffee> ',
historyFile: process.env.HOME ? path.join(process.env.HOME, '.coffee_history') : void 0,
historyMaxInputSize: 10240,
"eval": function(input, context, filename, cb) {
var Assign, Block, Literal, Value, ast, err, error, js, ref1, referencedVars, token, tokens;
input = input.replace(/\uFF00/g, '\n');
input = input.replace(/^\(([\s\S]*)\n\)$/m, '$1');
ref1 = require('./nodes'), Block = ref1.Block, Assign = ref1.Assign, Value = ref1.Value, Literal = ref1.Literal;
try {
tokens = CoffeeScript.tokens(input);
referencedVars = (function() {
var i, len, results;
results = [];
for (i = 0, len = tokens.length; i < len; i++) {
token = tokens[i];
if (token.variable) {
results.push(token[1]);
}
}
return results;
})();
ast = CoffeeScript.nodes(tokens);
ast = new Block([new Assign(new Value(new Literal('_')), ast, '=')]);
js = ast.compile({
bare: true,
locals: Object.keys(context),
referencedVars: referencedVars
});
return cb(null, runInContext(js, context, filename));
} catch (error) {
err = error;
updateSyntaxError(err, input);
return cb(err);
}
}
};
runInContext = function(js, context, filename) {
if (context === global) {
return vm.runInThisContext(js, filename);
} else {
return vm.runInContext(js, context, filename);
}
};
addMultilineHandler = function(repl) {
var inputStream, multiline, nodeLineListener, origPrompt, outputStream, ref1, rli;
rli = repl.rli, inputStream = repl.inputStream, outputStream = repl.outputStream;
origPrompt = (ref1 = repl._prompt) != null ? ref1 : repl.prompt;
multiline = {
enabled: false,
initialPrompt: origPrompt.replace(/^[^> ]*/, function(x) {
return x.replace(/./g, '-');
}),
prompt: origPrompt.replace(/^[^> ]*>?/, function(x) {
return x.replace(/./g, '.');
}),
buffer: ''
};
nodeLineListener = rli.listeners('line')[0];
rli.removeListener('line', nodeLineListener);
rli.on('line', function(cmd) {
if (multiline.enabled) {
multiline.buffer += cmd + "\n";
rli.setPrompt(multiline.prompt);
rli.prompt(true);
} else {
rli.setPrompt(origPrompt);
nodeLineListener(cmd);
}
});
return inputStream.on('keypress', function(char, key) {
if (!(key && key.ctrl && !key.meta && !key.shift && key.name === 'v')) {
return;
}
if (multiline.enabled) {
if (!multiline.buffer.match(/\n/)) {
multiline.enabled = !multiline.enabled;
rli.setPrompt(origPrompt);
rli.prompt(true);
return;
}
if ((rli.line != null) && !rli.line.match(/^\s*$/)) {
return;
}
multiline.enabled = !multiline.enabled;
rli.line = '';
rli.cursor = 0;
rli.output.cursorTo(0);
rli.output.clearLine(1);
multiline.buffer = multiline.buffer.replace(/\n/g, '\uFF00');
rli.emit('line', multiline.buffer);
multiline.buffer = '';
} else {
multiline.enabled = !multiline.enabled;
rli.setPrompt(multiline.initialPrompt);
rli.prompt(true);
}
});
};
addHistory = function(repl, filename, maxSize) {
var buffer, fd, lastLine, readFd, size, stat;
lastLine = null;
try {
stat = fs.statSync(filename);
size = Math.min(maxSize, stat.size);
readFd = fs.openSync(filename, 'r');
buffer = new Buffer(size);
fs.readSync(readFd, buffer, 0, size, stat.size - size);
fs.close(readFd);
repl.rli.history = buffer.toString().split('\n').reverse();
if (stat.size > maxSize) {
repl.rli.history.pop();
}
if (repl.rli.history[0] === '') {
repl.rli.history.shift();
}
repl.rli.historyIndex = -1;
lastLine = repl.rli.history[0];
} catch (undefined) {}
fd = fs.openSync(filename, 'a');
repl.rli.addListener('line', function(code) {
if (code && code.length && code !== '.history' && lastLine !== code) {
fs.write(fd, code + "\n");
return lastLine = code;
}
});
repl.on('exit', function() {
return fs.close(fd);
});
return repl.commands[getCommandId(repl, 'history')] = {
help: 'Show command history',
action: function() {
repl.outputStream.write((repl.rli.history.slice(0).reverse().join('\n')) + "\n");
return repl.displayPrompt();
}
};
};
getCommandId = function(repl, commandName) {
var commandsHaveLeadingDot;
commandsHaveLeadingDot = repl.commands['.help'] != null;
if (commandsHaveLeadingDot) {
return "." + commandName;
} else {
return commandName;
}
};
module.exports = {
start: function(opts) {
var build, major, minor, ref1, repl;
if (opts == null) {
opts = {};
}
ref1 = process.versions.node.split('.').map(function(n) {
return parseInt(n);
}), major = ref1[0], minor = ref1[1], build = ref1[2];
if (major === 0 && minor < 8) {
console.warn("Node 0.8.0+ required for CoffeeScript REPL");
process.exit(1);
}
CoffeeScript.register();
process.argv = ['coffee'].concat(process.argv.slice(2));
opts = merge(replDefaults, opts);
repl = nodeREPL.start(opts);
if (opts.prelude) {
runInContext(opts.prelude, repl.context, 'prelude');
}
repl.on('exit', function() {
if (!repl.rli.closed) {
return repl.outputStream.write('\n');
}
});
addMultilineHandler(repl);
if (opts.historyFile) {
addHistory(repl, opts.historyFile, opts.historyMaxInputSize);
}
repl.commands[getCommandId(repl, 'load')].help = 'Load code from a file into this REPL session';
return repl;
}
};
}).call(this);