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 6562x 6562x 6562x 2x 2x 2x 2x 2x 2x 1213x 1213x 1213x 1213x 1213x 1213x 1213x 1213x 5349x 5349x 5349x 1213x 1213x 1213x 1213x 4136x 1213x 1213x 1213x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 1217x 1217x 1217x 1217x 1217x 1217x 1217x 1217x 1217x 1217x 1217x 1217x 423x 423x 1217x 1217x 1213x 1213x 1213x 1213x 1213x 1213x 1213x 1217x 1217x 1217x 1x 1x 1x 1x 1x 1x 1x 1x 1217x 1217x 419x 419x 419x 419x 419x 419x 419x 419x 419x 419x 1217x | /** @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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