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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 8756x 8756x 8756x 2x 2x 2x 2x 2x 2x 1606x 1606x 1606x 1606x 1606x 1606x 1606x 1606x 7150x 7150x 7150x 1606x 1606x 1606x 1606x 5544x 1606x 1606x 1606x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 1611x 1611x 1611x 1611x 1611x 1611x 1611x 1611x 1611x 1611x 1611x 1611x 811x 811x 1611x 1611x 1606x 1606x 1606x 1606x 1606x 1606x 1606x 1611x 1611x 1611x 1x 1x 1x 1x 1x 1x 1x 1x 1611x 1611x 807x 807x 807x 807x 807x 807x 807x 807x 807x 807x 1611x | /** @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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