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construct EncodedMetadata in encode_and_write_metadata

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This commit is contained in:
Yoshiki Matsuda
2022-04-28 10:55:04 +09:00
parent bb75c4b46a
commit c26c461c0c
2 changed files with 17 additions and 12 deletions
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15
compiler/rustc_metadata/src/fs.rs
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@@ -68,11 +68,9 @@ pub fn encode_and_write_metadata(
.unwrap_or_else(|err| tcx.sess.fatal(&format!("couldn't create a temp dir: {}", err)));
let metadata_tmpdir = MaybeTempDir::new(metadata_tmpdir, tcx.sess.opts.cg.save_temps);
let metadata_filename = metadata_tmpdir.as_ref().join(METADATA_FILENAME);
let metadata = match metadata_kind {
match metadata_kind {
MetadataKind::None => {
let metadata = EncodedMetadata::new();
let _ = emit_metadata(tcx.sess, metadata.raw_data(), &metadata_tmpdir);
metadata
let _ = emit_metadata(tcx.sess, &[], &metadata_tmpdir);
}
MetadataKind::Uncompressed | MetadataKind::Compressed => {
encode_metadata(tcx, &metadata_filename)
@@ -82,7 +80,7 @@ pub fn encode_and_write_metadata(
let _prof_timer = tcx.sess.prof.generic_activity("write_crate_metadata");
let need_metadata_file = tcx.sess.opts.output_types.contains_key(&OutputType::Metadata);
if need_metadata_file {
let metadata_filename = if need_metadata_file {
if let Err(e) = non_durable_rename(&metadata_filename, &out_filename) {
tcx.sess.fatal(&format!("failed to write {}: {}", out_filename.display(), e));
}
@@ -92,7 +90,12 @@ pub fn encode_and_write_metadata(
.span_diagnostic
.emit_artifact_notification(&out_filename, "metadata");
}
}
out_filename
} else {
metadata_filename
};
let raw_data = std::fs::read(metadata_filename).unwrap();
let metadata = EncodedMetadata::from_raw_data(raw_data);
let need_metadata_module = metadata_kind == MetadataKind::Compressed;