From 8f01343f011e555bad1a11f7abfadcb7682a4627 Mon Sep 17 00:00:00 2001
From: Patrick Walton <pcwalton@mimiga.net>
Date: Fri, 17 Aug 2012 15:07:14 -0700
Subject: [PATCH] rustc: Remove resolve_path

---
 src/rustc/metadata/csearch.rs | 24 ------------------------
 src/rustc/metadata/decoder.rs | 32 --------------------------------
 2 files changed, 56 deletions(-)

diff --git a/src/rustc/metadata/csearch.rs b/src/rustc/metadata/csearch.rs
index c12e18b15de..0dd3aaa82a5 100644
--- a/src/rustc/metadata/csearch.rs
+++ b/src/rustc/metadata/csearch.rs
@@ -50,30 +50,6 @@ fn lookup_method_purity(cstore: cstore::cstore, did: ast::def_id)
     }
 }
 
-/* Returns a vector of possible def IDs for a given path,
-   in a given crate */
-fn resolve_path(cstore: cstore::cstore, cnum: ast::crate_num,
-                path: ~[ast::ident]) ->
-    ~[(ast::crate_num, @~[u8], ast::def_id)] {
-    let cm = cstore::get_crate_data(cstore, cnum);
-    debug!{"resolve_path %s in crates[%d]:%s",
-           ast_util::path_name_i(path), cnum, cm.name};
-    let mut result = ~[];
-    for decoder::resolve_path(path, cm.data).each |def| {
-        if def.crate == ast::local_crate {
-            vec::push(result, (cnum, cm.data, def));
-        } else {
-            if cm.cnum_map.contains_key(def.crate) {
-                // This reexport is itself a reexport from another crate
-                let next_cnum = cm.cnum_map.get(def.crate);
-                let next_cm_data = cstore::get_crate_data(cstore, next_cnum);
-                vec::push(result, (next_cnum, next_cm_data.data, def));
-            }
-        }
-    }
-    return result;
-}
-
 /// Iterates over all the paths in the given crate.
 fn each_path(cstore: cstore::cstore, cnum: ast::crate_num,
              f: fn(decoder::path_entry) -> bool) {
diff --git a/src/rustc/metadata/decoder.rs b/src/rustc/metadata/decoder.rs
index 572b7775f62..f1b6862afc7 100644
--- a/src/rustc/metadata/decoder.rs
+++ b/src/rustc/metadata/decoder.rs
@@ -213,38 +213,6 @@ fn enum_variant_ids(item: ebml::doc, cdata: cmd) -> ~[ast::def_id] {
     return ids;
 }
 
-// Given a path and serialized crate metadata, returns the IDs of the
-// definitions the path may refer to.
-fn resolve_path(path: ~[ast::ident], data: @~[u8]) -> ~[ast::def_id] {
-    fn eq_item(data: &[u8], s: ~str) -> bool {
-        // XXX: Use string equality.
-        let data_len = data.len();
-        let s_len = s.len();
-        if data_len != s_len {
-            return false;
-        }
-        let mut i = 0;
-        while i < data_len {
-            if data[i] != s[i] {
-                return false;
-            }
-            i += 1;
-        }
-        return true;
-    }
-    let s = ast_util::path_name_i(path);
-    let md = ebml::doc(data);
-    let paths = ebml::get_doc(md, tag_paths);
-    let eqer = |a| eq_item(a, s);
-    let mut result: ~[ast::def_id] = ~[];
-    debug!{"resolve_path: looking up %s", s};
-    for lookup_hash(paths, eqer, hash_path(s)).each |doc| {
-        let did_doc = ebml::get_doc(doc, tag_def_id);
-        vec::push(result, ebml::with_doc_data(did_doc, |d| parse_def_id(d)));
-    }
-    return result;
-}
-
 fn item_path(item_doc: ebml::doc) -> ast_map::path {
     let path_doc = ebml::get_doc(item_doc, tag_path);