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Support listing all items in -Zls

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This commit is contained in:
bjorn3 2023-09-10 14:32:58 +00:00
parent ff00763dd1
commit 7b30550cfe
1 changed files with 80 additions and 10 deletions
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90
compiler/rustc_metadata/src/rmeta/decoder.rs
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@ -732,12 +732,13 @@ impl MetadataBlob {
) -> io::Result<()> {
let root = self.get_root();
let all_ls_kinds = vec!["root".to_owned(), "lang_items".to_owned(), "features".to_owned()];
let ls_kinds = if ls_kinds.contains(&"all".to_owned()) {
&all_ls_kinds
} else {
ls_kinds
};
let all_ls_kinds = vec![
"root".to_owned(),
"lang_items".to_owned(),
"features".to_owned(),
"items".to_owned(),
];
let ls_kinds = if ls_kinds.contains(&"all".to_owned()) { &all_ls_kinds } else { ls_kinds };
for kind in ls_kinds {
match &**kind {
@ -778,7 +779,7 @@ impl MetadataBlob {
root.profiler_runtime
)?;
writeln!(out, "\n=External Dependencies=")?;
writeln!(out, "=External Dependencies=")?;
let dylib_dependency_formats =
root.dylib_dependency_formats.decode(self).collect::<Vec<_>>();
for (i, dep) in root.crate_deps.decode(self).enumerate() {
@ -801,7 +802,7 @@ impl MetadataBlob {
}
"lang_items" => {
writeln!(out, "\n=Lang items=")?;
writeln!(out, "=Lang items=")?;
for (id, lang_item) in root.lang_items.decode(self) {
writeln!(
out,
@ -823,7 +824,7 @@ impl MetadataBlob {
}
"features" => {
writeln!(out, "\n=Lib features=")?;
writeln!(out, "=Lib features=")?;
for (feature, since) in root.lib_features.decode(self) {
writeln!(
out,
@ -839,8 +840,77 @@ impl MetadataBlob {
write!(out, "\n")?;
}
"items" => {
writeln!(out, "=Items=")?;
fn print_item(
blob: &MetadataBlob,
out: &mut dyn io::Write,
item: DefIndex,
indent: usize,
) -> io::Result<()> {
let root = blob.get_root();
let def_kind = root.tables.opt_def_kind.get(blob, item).unwrap();
let def_key = root.tables.def_keys.get(blob, item).unwrap().decode(blob);
let def_name = if item == CRATE_DEF_INDEX {
rustc_span::symbol::kw::Crate
} else {
def_key
.disambiguated_data
.data
.get_opt_name()
.unwrap_or_else(|| Symbol::intern("???"))
};
let visibility =
root.tables.visibility.get(blob, item).unwrap().decode(blob).map_id(
|index| {
format!(
"crate{}",
DefPath::make(LOCAL_CRATE, index, |parent| root
.tables
.def_keys
.get(blob, parent)
.unwrap()
.decode(blob))
.to_string_no_crate_verbose()
)
},
);
write!(
out,
"{nil: <indent$}{:?} {:?} {} {{",
visibility,
def_kind,
def_name,
nil = "",
)?;
if let Some(children) =
root.tables.module_children_non_reexports.get(blob, item)
{
write!(out, "\n")?;
for child in children.decode(blob) {
print_item(blob, out, child, indent + 4)?;
}
writeln!(out, "{nil: <indent$}}}", nil = "")?;
} else {
writeln!(out, "}}")?;
}
Ok(())
}
print_item(self, out, CRATE_DEF_INDEX, 0)?;
write!(out, "\n")?;
}
_ => {
writeln!(out, "unknown -Zls kind. allowed values are: no, all, root, lang_items, features")?;
writeln!(
out,
"unknown -Zls kind. allowed values are: no, all, root, lang_items, features, items"
)?;
}
}
}