45 lines
1.0 KiB
JavaScript
45 lines
1.0 KiB
JavaScript
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var session = logic.create(null , function (msg) {
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console.log(msg);
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});
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var db = [
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'event(music).',
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'event(theatre).',
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'event(poetry).',
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'event(stage).',
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'event(guided_tour).',
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'music(ev0001).',
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'music(ev0002).',
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'theatre(ev0003).',
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'ort(ev0001,bremen).',
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'ort(ev0003,bremen).',
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'ort(ev0002,hamburg).',
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'event_in(Ort,X) :- (music(X);theatre(X)),ort(X,Ort).',
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]
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var t0=time();
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var parsed=session.consult(db.join('\n'));
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print('consult',time()-t0,'ms');
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print(parsed);
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function answer(query) {
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parsed=session.query(query);
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print(parsed);
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var result,results=[],error;
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do {
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session.answer(function (_result) {
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result=_result;
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if (result) {
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var output=result.toString();
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if (output.contains('throw(error')) {
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return error=result.args[0].args;
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}
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if (output=='{}') output='true';
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else output=output.replace(/{|}/g,'').replace(/\//,' = ');
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results.push(output);
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}
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});
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} while (result);
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return results;
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}
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print(answer('event(X).'))
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print(answer('event_in(bremen,X).'))
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