| 906 | } |
| 907 | |
| 908 | bool Reader::decodeUnicodeCodePoint(Token& token, |
| 909 | Location& current, |
| 910 | Location end, |
| 911 | unsigned int& unicode) { |
| 912 | |
| 913 | if (!decodeUnicodeEscapeSequence(token, current, end, unicode)) |
| 914 | return false; |
| 915 | if (unicode >= 0xD800 && unicode <= 0xDBFF) { |
| 916 | // surrogate pairs |
| 917 | if (end - current < 6) |
| 918 | return addError( |
| 919 | "additional six characters expected to parse unicode surrogate pair.", |
| 920 | token, |
| 921 | current); |
| 922 | unsigned int surrogatePair; |
| 923 | if (*(current++) == '\\' && *(current++) == 'u') { |
| 924 | if (decodeUnicodeEscapeSequence(token, current, end, surrogatePair)) { |
| 925 | unicode = 0x10000 + ((unicode & 0x3FF) << 10) + (surrogatePair & 0x3FF); |
| 926 | } else |
| 927 | return false; |
| 928 | } else |
| 929 | return addError("expecting another \\u token to begin the second half of " |
| 930 | "a unicode surrogate pair", |
| 931 | token, |
| 932 | current); |
| 933 | } |
| 934 | return true; |
| 935 | } |
| 936 | |
| 937 | bool Reader::decodeUnicodeEscapeSequence(Token& token, |
| 938 | Location& current, |
nothing calls this directly
no outgoing calls
no test coverage detected