| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 3,039 of 11,448 | 73% | 721 of 1,740 | 59% | 567 | 1,242 | 491 | 2,269 | 43 | 234 | 2 | 19 |
| RubyLexer.java | | 82% | | 73% | 252 | 705 | 249 | 1,500 | 13 | 117 | 0 | 4 |
| KeywordMatch.java | | 0% | | 0% | 198 | 198 | 80 | 80 | 9 | 9 | 1 | 1 |
| StringTerm.java | | 67% | | 74% | 42 | 113 | 57 | 237 | 3 | 12 | 0 | 1 |
| InputStreamLexerSource.java | | 66% | | 64% | 22 | 61 | 41 | 124 | 3 | 22 | 0 | 1 |
| LexerSource.java | | 53% | | 44% | 19 | 39 | 32 | 80 | 4 | 16 | 0 | 1 |
| ByteArrayLexerSource.java | | 88% | | 81% | 17 | 72 | 12 | 119 | 1 | 24 | 0 | 3 |
| DetailedSourcePosition.java | 0% | n/a | 4 | 4 | 7 | 7 | 4 | 4 | 1 | 1 | ||
| HeredocTerm.java | | 82% | | 78% | 7 | 18 | 9 | 46 | 1 | 4 | 0 | 1 |
| SimpleSourcePosition.java | 45% | n/a | 1 | 4 | 1 | 7 | 1 | 4 | 0 | 1 | ||
| SyntaxException.java | | 98% | | 90% | 3 | 14 | 1 | 46 | 2 | 9 | 0 | 2 |
| InvalidSourcePosition.java | 67% | n/a | 2 | 4 | 2 | 4 | 2 | 4 | 0 | 1 | ||
| StackState.java | | 100% | 100% | 0 | 9 | 0 | 18 | 0 | 8 | 0 | 1 | |
| StrTerm.java | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 |