| 102 | const dollarQuoteOpenRegex = /^\$([a-zA-Z_]\w*)?\$/; |
| 103 | |
| 104 | function scanDollarQuotedBlock(sql: string, i: number): SQLToken | null { |
| 105 | if (sql[i] !== "$") { return null; } |
| 106 | // $N where N is a digit is a positional parameter, not a dollar-quote |
| 107 | const next = sql[i + 1]; |
| 108 | if (next >= "0" && next <= "9") { return null; } |
| 109 | const remaining = sql.substring(i); |
| 110 | const m = dollarQuoteOpenRegex.exec(remaining); |
| 111 | if (!m) { return null; } |
| 112 | const tag = m[0]; |
| 113 | const bodyStart = i + tag.length; |
| 114 | const closeIdx = sql.indexOf(tag, bodyStart); |
| 115 | const end = closeIdx !== -1 ? closeIdx + tag.length : sql.length; |
| 116 | return { type: TokenType.QuotedBlock, end }; |
| 117 | } |
| 118 | |
| 119 | function scanBacktickQuotedIdentifier(sql: string, i: number): SQLToken | null { |
| 120 | if (sql[i] !== "`") { return null; } |