23248291284

Committed 18 Mar 2026 01:56PM UTC coverage: 34.925% (+0.09%) from 34.836%

Build # 23248291284

Build Type

Pull #99

github

Committed by

web-flow

Commit Message

Merge 70a0573d1 into d2ff517a4

Pull Request Pull Request #99: Package improvements follow up

Coverage Stats

266 of 1054 branches covered (25.24%)

Branch coverage included in aggregate %.

7 of 107 new or added lines in 7 files covered. (6.54%)

3 existing lines in 1 file now uncovered.

1109 of 2883 relevant lines covered (38.47%)

84.72 hits per line

Source File
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27.27

/src/parser/errors.ts

import { createErrorIndicator, getFullLine, MAGIC_OFFSET } from "../errors";
import { Token } from "../tokenizer";

export namespace ParserErrors {
  export class BaseParserError extends SyntaxError {
    line: number;
    col: number;

    constructor(message: string, line: number, col: number) {
      super(`SyntaxError at line ${line}
                   ${message}`);
      this.line = line;
      this.col = col;
      this.name = "BaseParserError";
    }
  }
  export class ExpectedTokenError extends BaseParserError {
    constructor(source: string, current: Token, expected: string) {
      const { lineIndex, fullLine } = getFullLine(
        source,
        current.indexInSource - current.lexeme.length,
      );
      let hint = `^ ${expected}. Found '${current.lexeme}'.`;
      hint = hint.padStart(hint.length + current.col - MAGIC_OFFSET, " ");
      super("\n" + fullLine + "\n" + hint, lineIndex, current.col);
      this.name = "ExpectedTokenError";
    }
  }
  export class NoElseBlockError extends BaseParserError {
    constructor(source: string, current: Token) {
      const { lineIndex, fullLine } = getFullLine(source, current.indexInSource);
      let hint = `^ Expected else block after this if block.`;
      hint = hint.padStart(hint.length + current.col - MAGIC_OFFSET, " ");
      super("\n" + fullLine + "\n" + hint, lineIndex, current.col);
      this.name = "NoElseBlockError";
    }
  }
  export class GenericUnexpectedSyntaxError extends BaseParserError {
    constructor(line: number, col: number, source: string, start: number) {
      const { lineIndex, fullLine } = getFullLine(source, start);
      const hint = ` Detected invalid syntax.`;
      const indicator = createErrorIndicator(fullLine, -1);
      super("\n" + fullLine + "\n" + indicator + hint, lineIndex, col);
      this.name = "GenericUnexpectedSyntaxError";
    }
  }
  export class InvalidAssignmentError extends BaseParserError {
    constructor(source: string, current: Token) {
      const { lineIndex, fullLine } = getFullLine(source, current.indexInSource);
      let hint = `^ Invalid assignment target.`;
      hint = hint.padStart(hint.length + current.col - MAGIC_OFFSET, " ");
      super("\n" + fullLine + "\n" + hint, lineIndex, current.col);
      this.name = "InvalidAssignmentError";
    }
  }
}

1	import { createErrorIndicator, getFullLine, MAGIC_OFFSET } from "../errors";	2✔
2	import { Token } from "../tokenizer";
3
4	export namespace ParserErrors {	2✔
5	export class BaseParserError extends SyntaxError {	2✔
6	line: number;
7	col: number;
8
9	constructor(message: string, line: number, col: number) {
10	super(`SyntaxError at line ${line}	×
11	${message}`);
12	this.line = line;	×
13	this.col = col;	×
14	this.name = "BaseParserError";	×
15	}
16	}
17	export class ExpectedTokenError extends BaseParserError {	2✔
18	constructor(source: string, current: Token, expected: string) {
NEW 19	const { lineIndex, fullLine } = getFullLine(	×
20	source,
21	current.indexInSource - current.lexeme.length,
22	);
23	let hint = `^ ${expected}. Found '${current.lexeme}'.`;	×
24	hint = hint.padStart(hint.length + current.col - MAGIC_OFFSET, " ");	×
NEW 25	super("\n" + fullLine + "\n" + hint, lineIndex, current.col);	×
26	this.name = "ExpectedTokenError";	×
27	}
28	}
29	export class NoElseBlockError extends BaseParserError {	2✔
30	constructor(source: string, current: Token) {
NEW 31	const { lineIndex, fullLine } = getFullLine(source, current.indexInSource);	×
32	let hint = `^ Expected else block after this if block.`;	×
33	hint = hint.padStart(hint.length + current.col - MAGIC_OFFSET, " ");	×
NEW 34	super("\n" + fullLine + "\n" + hint, lineIndex, current.col);	×
35	this.name = "NoElseBlockError";	×
36	}
37	}
38	export class GenericUnexpectedSyntaxError extends BaseParserError {	2✔
39	constructor(line: number, col: number, source: string, start: number) {
NEW 40	const { lineIndex, fullLine } = getFullLine(source, start);	×
41	const hint = ` Detected invalid syntax.`;	×
42	const indicator = createErrorIndicator(fullLine, -1);	×
NEW 43	super("\n" + fullLine + "\n" + indicator + hint, lineIndex, col);	×
44	this.name = "GenericUnexpectedSyntaxError";	×
45	}
46	}
47	export class InvalidAssignmentError extends BaseParserError {	2✔
48	constructor(source: string, current: Token) {
NEW 49	const { lineIndex, fullLine } = getFullLine(source, current.indexInSource);	×
50	let hint = `^ Invalid assignment target.`;	×
51	hint = hint.padStart(hint.length + current.col - MAGIC_OFFSET, " ");	×
NEW 52	super("\n" + fullLine + "\n" + hint, lineIndex, current.col);	×
53	this.name = "InvalidAssignmentError";	×
54	}
55	}
56	}

source-academy / py-slang / 23248291284

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