| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 3,329 of 11,448 | 71% | 768 of 1,740 | 56% | 607 | 1,242 | 545 | 2,269 | 41 | 234 | 2 | 19 |
| RubyLexer.java | | 78% | | 70% | 282 | 705 | 307 | 1,500 | 12 | 117 | 0 | 4 |
| KeywordMatch.java | | 0% | | 0% | 198 | 198 | 80 | 80 | 9 | 9 | 1 | 1 |
| StringTerm.java | | 73% | | 73% | 42 | 113 | 48 | 237 | 2 | 12 | 0 | 1 |
| InputStreamLexerSource.java | | 66% | | 64% | 22 | 61 | 41 | 124 | 3 | 22 | 0 | 1 |
| LexerSource.java | | 58% | | 40% | 20 | 39 | 29 | 80 | 3 | 16 | 0 | 1 |
| ByteArrayLexerSource.java | | 84% | | 72% | 23 | 72 | 19 | 119 | 1 | 24 | 0 | 3 |
| HeredocTerm.java | | 71% | | 74% | 9 | 18 | 10 | 46 | 2 | 4 | 0 | 1 |
| DetailedSourcePosition.java | 0% | n/a | 4 | 4 | 7 | 7 | 4 | 4 | 1 | 1 | ||
| SimpleSourcePosition.java | 45% | n/a | 1 | 4 | 1 | 7 | 1 | 4 | 0 | 1 | ||
| SyntaxException.java | | 98% | 80% | 4 | 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 |