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| 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 9403x 9403x 9403x 2x 2x 2x 2x 2x 2x 1733x 1733x 1733x 1733x 1733x 1733x 1733x 1733x 7670x 7670x 7670x 1733x 1733x 1733x 1733x 5937x 1733x 1733x 1733x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 1738x 1738x 1738x 1738x 1738x 1738x 1738x 1738x 1738x 1738x 1738x 1738x 1735x 1735x 1738x 1738x 1733x 1733x 1733x 1733x 1733x 1733x 1733x 1738x 1738x 1738x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1738x 1738x 903x 903x 903x 903x 903x 903x 903x 903x 903x 903x 1738x | /** @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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