56 lines
1.3 KiB
TypeScript
56 lines
1.3 KiB
TypeScript
import { Pos } from "./token.ts";
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export type Report = {
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type: "error" | "note";
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reporter: string;
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pos?: Pos;
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msg: string;
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};
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export class Reporter {
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private reports: Report[] = [];
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private errorSet = false;
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public reportError(report: Omit<Report, "type">) {
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this.reports.push({ ...report, type: "error" });
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this.printReport({ ...report, type: "error" });
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this.errorSet = true;
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}
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private printReport({ reporter, type, pos, msg }: Report) {
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console.error(
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`${reporter}: ${type}: ${msg}${
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pos ? ` at ${pos.line}:${pos.col}` : ""
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}`,
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);
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}
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public addNote(report: Omit<Report, "type">) {
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this.reports.push({ ...report, type: "note" });
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this.printReport({ ...report, type: "note" });
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}
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public errorOccured(): boolean {
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return this.errorSet;
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}
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}
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export function printStackTrace() {
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class ReportNotAnError extends Error {
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constructor() {
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super("ReportNotAnError");
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}
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}
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try {
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throw new ReportNotAnError();
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} catch (error) {
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if (!(error instanceof ReportNotAnError)) {
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throw error;
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}
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console.log(
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error.stack?.replace("Error: ReportNotAnError", "Stack trace:") ??
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error,
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);
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}
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}
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