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https://github.com/kanaka/mal.git
synced 2024-09-21 10:37:58 +03:00
b8ee29b22f
Also, fix nth and count to match cloure.
51 lines
1.4 KiB
JavaScript
51 lines
1.4 KiB
JavaScript
// Node vs browser behavior
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var printer = {};
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if (typeof module !== 'undefined') {
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var types = require('./types');
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// map output/print to console.log
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printer.println = exports.println = function () {
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console.log.apply(console, arguments);
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};
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}
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function _pr_str(obj, print_readably) {
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if (typeof print_readably === 'undefined') { print_readably = true; }
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var _r = print_readably;
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var ot = types._obj_type(obj);
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switch (ot) {
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case 'list':
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var ret = obj.map(function(e) { return _pr_str(e,_r); });
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return "(" + ret.join(' ') + ")";
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case 'vector':
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var ret = obj.map(function(e) { return _pr_str(e,_r); });
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return "[" + ret.join(' ') + "]";
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case 'hash-map':
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var ret = [];
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for (var k in obj) {
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ret.push(_pr_str(k,_r), _pr_str(obj[k],_r));
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}
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return "{" + ret.join(' ') + "}";
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case 'string':
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if (obj[0] === '\u029e') {
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return ':' + obj.slice(1);
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} else if (_r) {
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return '"' + obj.replace(/\\/g, "\\\\")
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.replace(/"/g, '\\"')
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.replace(/\n/g, "\\n") + '"'; // string
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} else {
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return obj;
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}
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case 'keyword':
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return ':' + obj.slice(1);
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case 'nil':
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return "nil";
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case 'atom':
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return "(atom " + _pr_str(obj.val,_r) + ")";
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default:
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return obj.toString();
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}
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}
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exports._pr_str = printer._pr_str = _pr_str;
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