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77 lines
2.2 KiB
77 lines
2.2 KiB
// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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var util = require('util');
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exports.log = function() {
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process.stdout.write(util.format.apply(this, arguments) + '\n');
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};
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exports.info = exports.log;
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exports.warn = function() {
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process.stderr.write(util.format.apply(this, arguments) + '\n');
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};
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exports.error = exports.warn;
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exports.dir = function(object) {
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process.stdout.write(util.inspect(object) + '\n');
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};
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var times = {};
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exports.time = function(label) {
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times[label] = Date.now();
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};
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exports.timeEnd = function(label) {
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var time = times[label];
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if (!time) {
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throw new Error('No such label: ' + label);
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}
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var duration = Date.now() - time;
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exports.log('%s: %dms', label, duration);
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};
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exports.trace = function(label) {
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// TODO probably can to do this better with V8's debug object once that is
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// exposed.
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var err = new Error;
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err.name = 'Trace';
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err.message = label || '';
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Error.captureStackTrace(err, arguments.callee);
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console.error(err.stack);
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};
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exports.assert = function(expression) {
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if (!expression) {
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var arr = Array.prototype.slice.call(arguments, 1);
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require('assert').ok(false, util.format.apply(this, arr));
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}
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};
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