32 lines
978 B
TypeScript
32 lines
978 B
TypeScript
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import {Math} from 'angular2/src/facade/math';
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export class ParseLocation {
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constructor(public file: ParseSourceFile, public offset: number, public line: number,
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public col: number) {}
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toString() { return `${this.file.url}@${this.line}:${this.col}`; }
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}
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export class ParseSourceFile {
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constructor(public content: string, public url: string) {}
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}
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export abstract class ParseError {
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constructor(public location: ParseLocation, public msg: string) {}
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toString(): string {
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var source = this.location.file.content;
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var ctxStart = Math.max(this.location.offset - 10, 0);
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var ctxEnd = Math.min(this.location.offset + 10, source.length);
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return `${this.msg} (${source.substring(ctxStart, ctxEnd)}): ${this.location}`;
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}
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}
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export class ParseSourceSpan {
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constructor(public start: ParseLocation, public end: ParseLocation) {}
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toString(): string {
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return this.start.file.content.substring(this.start.offset, this.end.offset);
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}
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}
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