| // Copyright (C) 2017 Valerie Young. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| esid: prod-StringLiteral |
| description: NumericLiteralSeperator disallowed in unicode CodePoint sequence (DoubleStringCharacters) |
| info: | |
| StringLiteral:: |
| "DoubleStringCharacters opt" |
| 'SingleStringCharacters opt' |
| |
| SingleStringCharacters:: |
| SingleStringCharacterSingleStringCharactersopt |
| |
| SingleStringCharacter:: |
| SourceCharacterbut not one of ' or \ or LineTerminator |
| \ EscapeSequence |
| LineContinuation |
| |
| EscapeSequence:: |
| CharacterEscapeSequence |
| 0 [lookahead ∉ DecimalDigit] |
| HexEscapeSequence |
| UnicodeEscapeSequence |
| |
| UnicodeEscapeSequence :: |
| uHex4Digits |
| u{CodePoint} |
| |
| CodePoint :: |
| HexDigit but only if MV of HexDigits ≤ 0x10FFFF |
| CodePointDigits but only if MV of HexDigits ≤ 0x10FFFF |
| |
| CodePointDigits :: |
| HexDigit |
| CodePointDigitsHexDigit |
| |
| HexDigit :: one of |
| 0 1 2 3 4 5 6 7 8 9 a b c d e f A B C D E F |
| |
| features: [numeric-separator-literal] |
| negative: |
| phase: parse |
| type: SyntaxError |
| ---*/ |
| |
| $DONOTEVALUATE(); |
| |
| '\u{1F_639}'; |
