62 lines
1.7 KiB
TypeScript
62 lines
1.7 KiB
TypeScript
import NodeFactory, { ResolveLevel } from '/imports/parser/parseTree/NodeFactory';
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import ParseNode from '/imports/parser/parseTree/ParseNode';
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import resolve, { toString, traverse, map, Context, ResolvedResult } from '/imports/parser/resolve';
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export type ParenthesisNode = {
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parseType: 'parenthesis';
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content: ParseNode;
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}
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interface ParenthesisFactory extends NodeFactory {
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create(node: Partial<ParenthesisNode>): ParenthesisNode;
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compile?: undefined;
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roll?: undefined;
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reduce?: undefined;
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resolve(
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fn: ResolveLevel, node: ParenthesisNode, scope: Record<string, any>, context: Context
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): ResolvedResult;
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toString(node: ParenthesisNode): string;
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traverse(node: ParenthesisNode, fn: (node: ParseNode) => any): ReturnType<typeof fn>;
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map(node: ParenthesisNode, fn: (node: ParseNode) => any): ReturnType<typeof fn>;
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}
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const parenthesis: ParenthesisFactory = {
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create({ content }: { content: ParseNode }) {
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return {
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parseType: 'parenthesis',
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content,
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};
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},
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resolve(fn, node, scope, context) {
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const { result: content } = resolve(fn, node.content, scope, context);
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if (
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fn === 'reduce' ||
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content.parseType === 'constant' ||
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content.parseType === 'error'
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) {
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return { result: content, context };
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} else {
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return {
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result: parenthesis.create({ content }),
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context
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};
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}
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},
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toString(node) {
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return `(${toString(node.content)})`;
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},
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traverse(node, fn: (node: ParseNode) => any) {
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fn(node);
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traverse(node.content, fn);
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},
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map(node, fn: (node: ParseNode) => any) {
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const resultingNode = fn(node);
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if (resultingNode === node) {
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node.content = map(node.content, 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 parenthesis;
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