| 59 | } |
| 60 | |
| 61 | fn read_constant_pool(reader: &mut BlockReader, _: &ClassFragment) -> Result<ClassFragment, Error> { |
| 62 | match reader.read_u16() { |
| 63 | Ok(cp_len) => { |
| 64 | let mut constants: Vec<Constant> = vec![ Constant::Placeholder ]; |
| 65 | |
| 66 | for _ in 1..cp_len { |
| 67 | if constants.len() < cp_len as usize { |
| 68 | match ClassReader::read_constant(reader) { |
| 69 | Ok(constant) => { |
| 70 | let constant_size = constant.cp_size(); |
| 71 | |
| 72 | constants.push(constant); |
| 73 | |
| 74 | for _ in 1..constant_size { |
| 75 | constants.push(Constant::Placeholder); |
| 76 | } |
| 77 | }, |
| 78 | Err(err) => return Err(err) |
| 79 | } |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | Ok(ClassFragment { |
| 84 | constant_pool: Some(ConstantPool::new(constants)), |
| 85 | ..Default::default() |
| 86 | }) |
| 87 | }, |
| 88 | Err(err) => Err(err) |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | fn read_constant(reader: &mut BlockReader) -> Result<Constant, Error> { |
| 93 | let tag = reader.read_u8(); |