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Use crate name/disambiguator instead of SVH for debuginfo typeid.

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This commit is contained in:
Michael Woerister 2016-04-06 18:36:29 -04:00
parent 943ec3bdfc
commit e2921d510d
1 changed files with 10 additions and 8 deletions
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18
src/librustc_trans/debuginfo/metadata.rs
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@ -324,7 +324,7 @@ impl<'tcx> TypeMap<'tcx> {
output: &mut String) {
// First, find out the 'real' def_id of the type. Items inlined from
// other crates have to be mapped back to their source.
let source_def_id = if let Some(node_id) = cx.tcx().map.as_local_node_id(def_id) {
let def_id = if let Some(node_id) = cx.tcx().map.as_local_node_id(def_id) {
match cx.external_srcs().borrow().get(&node_id).cloned() {
Some(source_def_id) => {
// The given def_id identifies the inlined copy of a
@ -337,19 +337,21 @@ impl<'tcx> TypeMap<'tcx> {
def_id
};
// Get the crate hash as first part of the identifier.
let crate_hash = if source_def_id.is_local() {
cx.link_meta().crate_hash.clone()
// Get the crate name/disambiguator as first part of the identifier.
let crate_name = if def_id.is_local() {
cx.tcx().crate_name.clone()
} else {
cx.sess().cstore.crate_hash(source_def_id.krate)
cx.sess().cstore.original_crate_name(def_id.krate)
};
let crate_disambiguator = cx.tcx().crate_disambiguator(def_id.krate);
output.push_str(crate_hash.as_str());
output.push_str(&crate_name[..]);
output.push_str("/");
output.push_str(&crate_disambiguator[..]);
output.push_str("/");
// Add the def-index as the second part
output.push_str(&format!("{:x}", def_id.index.as_usize()));
// Maybe check that there is no self type here.
let tps = substs.types.get_slice(subst::TypeSpace);
if !tps.is_empty() {
output.push('<');