Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 12162x 12162x 12162x 12162x 12162x 12162x 80x 80x 12160x 12160x 12162x 1x 1x 12160x 12162x 14x 14x 14x 14x 14x 14x 14x 14x 12160x 12160x 12160x 12160x 12162x 2x 2x 12162x | /** @import { Expression } from 'estree' */
/** @import { Parser } from '../index.js' */
import { parse_expression_at } from '../acorn.js';
import { regex_whitespace } from '../../patterns.js';
import * as e from '../../../errors.js';
/**
* @param {Parser} parser
* @returns {Expression}
*/
export default function read_expression(parser) {
try {
const node = parse_expression_at(parser.template, parser.ts, parser.index);
let num_parens = 0;
for (let i = parser.index; i < /** @type {number} */ (node.start); i += 1) {
if (parser.template[i] === '(') num_parens += 1;
}
let index = /** @type {number} */ (node.end);
if (node.trailingComments !== undefined && node.trailingComments.length > 0) {
index = node.trailingComments.at(-1).end;
}
while (num_parens > 0) {
const char = parser.template[index];
if (char === ')') {
num_parens -= 1;
} else if (!regex_whitespace.test(char)) {
e.expected_token(index, ')');
}
index += 1;
}
parser.index = index;
return /** @type {Expression} */ (node);
} catch (err) {
parser.acorn_error(err);
}
}
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