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Add v7 support to rust-analyzer

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This commit is contained in:
Rune Tynan 2023-02-13 14:23:39 -05:00
parent bc45c7659a
commit 7b5cfdd72a
1 changed files with 8 additions and 5 deletions
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13
crates/proc-macro-api/src/version.rs
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@ -120,17 +120,20 @@ pub fn read_version(dylib_path: &AbsPath) -> io::Result<String> {
let version = u32::from_be_bytes([dot_rustc[4], dot_rustc[5], dot_rustc[6], dot_rustc[7]]); let version = u32::from_be_bytes([dot_rustc[4], dot_rustc[5], dot_rustc[6], dot_rustc[7]]);
// Last supported version is: // Last supported version is:
// https://github.com/rust-lang/rust/commit/0696e79f2740ad89309269b460579e548a5cd632 // https://github.com/rust-lang/rust/commit/0696e79f2740ad89309269b460579e548a5cd632
match version { let snappy_portion = match version {
5 | 6 => {} 5 | 6 => &dot_rustc[8..],
7 => {
let len_bytes = &dot_rustc[8..12];
let data_len = u32::from_be_bytes(len_bytes.try_into().unwrap()) as usize;
&dot_rustc[12..data_len + 12]
}
_ => { _ => {
return Err(io::Error::new( return Err(io::Error::new(
io::ErrorKind::InvalidData, io::ErrorKind::InvalidData,
format!("unsupported metadata version {version}"), format!("unsupported metadata version {version}"),
)); ));
} }
} };
let snappy_portion = &dot_rustc[8..];
let mut snappy_decoder = SnapDecoder::new(snappy_portion); let mut snappy_decoder = SnapDecoder::new(snappy_portion);