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 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 | 2x 2x 2x 2x 2x 2x 2x 2x 8627x 8627x 8627x 2x 2x 2x 2x 2x 2x 1582x 1582x 1582x 1582x 1582x 1582x 1582x 1582x 7045x 7045x 7045x 1582x 1582x 1582x 1582x 5463x 1582x 1582x 1582x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 1587x 1587x 1587x 1587x 1587x 1587x 1587x 1587x 1587x 1587x 1587x 1587x 805x 805x 1587x 1587x 1582x 1582x 1582x 1582x 1582x 1582x 1582x 1587x 1587x 1587x 1x 1x 1x 1x 1x 1x 1x 1x 1587x 1587x 801x 801x 801x 801x 801x 801x 801x 801x 801x 801x 1587x | /** @import { Location } from 'locate-character' */
import * as state from '../state.js';
const regex_tabs = /^\t+/;
/**
* @param {string} str
*/
function tabs_to_spaces(str) {
return str.replace(regex_tabs, (match) => match.split('\t').join(' '));
}
/**
* @param {string} source
* @param {number} line
* @param {number} column
*/
function get_code_frame(source, line, column) {
const lines = source.split('\n');
const frame_start = Math.max(0, line - 2);
const frame_end = Math.min(line + 3, lines.length);
const digits = String(frame_end + 1).length;
return lines
.slice(frame_start, frame_end)
.map((str, i) => {
const is_error_line = frame_start + i === line;
const line_num = String(i + frame_start + 1).padStart(digits, ' ');
if (is_error_line) {
const indicator =
' '.repeat(digits + 2 + tabs_to_spaces(str.slice(0, column)).length) + '^';
return `${line_num}: ${tabs_to_spaces(str)}\n${indicator}`;
}
return `${line_num}: ${tabs_to_spaces(str)}`;
})
.join('\n');
}
/**
* @typedef {{
* code: string;
* message: string;
* filename?: string;
* start?: Location;
* end?: Location;
* position?: [number, number];
* frame?: string;
* }} ICompileDiagnostic */
/** @implements {ICompileDiagnostic} */
export class CompileDiagnostic extends Error {
name = 'CompileDiagnostic';
/**
* @param {string} code
* @param {string} message
* @param {[number, number] | undefined} position
*/
constructor(code, message, position) {
super(message);
this.code = code;
if (state.filename) {
this.filename = state.filename;
}
if (position) {
this.position = position;
this.start = state.locator(position[0]);
this.end = state.locator(position[1]);
if (this.start && this.end) {
this.frame = get_code_frame(state.source, this.start.line - 1, this.end.column);
}
}
}
toString() {
let out = `${this.code}: ${this.message}`;
if (this.filename) {
out += `\n${this.filename}`;
if (this.start) {
out += `:${this.start.line}:${this.start.column}`;
}
}
if (this.frame) {
out += `\n${this.frame}`;
}
return out;
}
toJSON() {
return {
code: this.code,
message: this.message,
filename: this.filename,
start: this.start,
end: this.end,
position: this.position,
frame: this.frame
};
}
}
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