62 lines
1.6 KiB
TypeScript
62 lines
1.6 KiB
TypeScript
import constant from '/imports/parser/parseTree/constant';
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import ParseNode from '/imports/parser/parseTree/ParseNode';
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import ResolveFunction from '/imports/parser/types/ResolveFunction';
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import TraverseFunction from '/imports/parser/types/TraverseFunction';
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import MapFunction from '/imports/parser/types/MapFunction';
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import ToStringFunction from '/imports/parser/types/ToStringFunction';
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export type NotNode = {
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parseType: 'not';
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right: ParseNode;
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}
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type NotFactory = {
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create(node: Partial<NotNode>): NotNode;
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resolve: ResolveFunction<NotNode>;
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toString: ToStringFunction<NotNode>;
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traverse: TraverseFunction<NotNode>;
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map: MapFunction<NotNode>;
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}
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const not: NotFactory = {
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create({ right }: { right: ParseNode }) {
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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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async resolve(fn, node, scope, context, inputProvider, resolveOthers) {
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const { result: right } = await resolveOthers(fn, node.right, scope, context, inputProvider);
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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, stringOthers) {
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return `!${stringOthers(node.right)}`;
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},
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traverse(node, fn, traverseOthers) {
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fn(node);
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traverseOthers(node.right, fn);
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},
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async map(node, fn, mapOthers) {
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const resultingNode = await fn(node);
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if (resultingNode === node) {
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node.right = await mapOthers(node.right, fn);
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}
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return resultingNode;
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},
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}
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export default not;
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