38 lines
720 B
JavaScript
38 lines
720 B
JavaScript
import resolve, { toString, traverse } from '../resolve.js';
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import constant from './constant.js';
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const not = {
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create({right}) {
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return {
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parseType: 'not',
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right,
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}
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},
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resolve(fn, node, scope, context){
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const {result: right} = resolve(fn, node.right, scope, context);
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if (right.parseType !== 'constant'){
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return {
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result: not.create({
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right: right,
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}),
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context,
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};
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}
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return {
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result: constant.create({
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value: !right.value,
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}),
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context,
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};
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},
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toString(node){
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return `!${toString(node.right)}`;
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},
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traverse(node, fn){
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fn(node);
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traverse(node.right, fn);
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}
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}
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export default not;
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