| 25 | |
| 26 | // Walk from 0 to caret toggling code/string. `quote === ''` means code. |
| 27 | const stringCtx = (src, caret) => { |
| 28 | let i = 0, quote = '', isF = false; |
| 29 | while (i < caret) { |
| 30 | if (!quote) { |
| 31 | if (src[i] === '#') { |
| 32 | const nl = src.indexOf('\n', i); |
| 33 | if (nl === -1 || nl >= caret) return { inStr: false, isF: false }; |
| 34 | i = nl + 1; continue; |
| 35 | } |
| 36 | const m = src.slice(i).match(STRING_START); |
| 37 | if (m && i + m[0].length <= caret) { |
| 38 | quote = m[2]; isF = /[fF]/.test(m[1]); |
| 39 | i += m[0].length; continue; |
| 40 | } |
| 41 | i++; |
| 42 | } else { |
| 43 | if (quote.length === 1 && src[i] === '\\') { i += 2; continue; } |
| 44 | if (src.slice(i, i + quote.length) === quote) { |
| 45 | i += quote.length; quote = ''; isF = false; continue; |
| 46 | } |
| 47 | i++; |
| 48 | } |
| 49 | } |
| 50 | return { inStr: !!quote, isF }; |
| 51 | }; |
| 52 | |
| 53 | const lineAt = (text, caret) => { |
| 54 | const start = text.lastIndexOf('\n', caret - 1) + 1; |