mirror of
https://github.com/rust-lang/rust.git
synced 2024-10-31 14:31:55 +00:00
Remove hokey-hashes from metadata indexes.
This commit is contained in:
parent
c6ed447221
commit
bac89eae48
@ -123,16 +123,5 @@ enum astencode_tag { // Reserves 0x50 -- 0x6f
|
||||
tag_table_adjustments = 0x62
|
||||
}
|
||||
|
||||
// djb's cdb hashes.
|
||||
fn hash_node_id(&&node_id: int) -> uint {
|
||||
return 177573u ^ (node_id as uint);
|
||||
}
|
||||
|
||||
fn hash_path(&&s: ~str) -> uint {
|
||||
let mut h = 5381u;
|
||||
for str::each(s) |ch| { h = (h << 5u) + h ^ (ch as uint); }
|
||||
return h;
|
||||
}
|
||||
|
||||
type link_meta = {name: ~str, vers: ~str, extras_hash: ~str};
|
||||
|
||||
|
@ -16,7 +16,7 @@ use util::ppaux::ty_to_str;
|
||||
use syntax::diagnostic::span_handler;
|
||||
use common::*;
|
||||
use syntax::parse::token::ident_interner;
|
||||
|
||||
use hash::{Hash, HashUtil};
|
||||
|
||||
export class_dtor;
|
||||
export get_class_fields;
|
||||
@ -88,7 +88,7 @@ fn maybe_find_item(item_id: int, items: ebml::Doc) -> Option<ebml::Doc> {
|
||||
}
|
||||
lookup_hash(items,
|
||||
|a| eq_item(a, item_id),
|
||||
hash_node_id(item_id))
|
||||
item_id.hash() as uint)
|
||||
}
|
||||
|
||||
fn find_item(item_id: int, items: ebml::Doc) -> ebml::Doc {
|
||||
|
@ -20,6 +20,9 @@ use str::to_bytes;
|
||||
use syntax::ast;
|
||||
use syntax::diagnostic::span_handler;
|
||||
|
||||
use hash::{Hash, HashUtil};
|
||||
use to_bytes::IterBytes;
|
||||
|
||||
export encode_parms;
|
||||
export encode_metadata;
|
||||
export encoded_ty;
|
||||
@ -679,7 +682,7 @@ fn encode_info_for_item(ecx: @encode_ctxt, ebml_w: ebml::Writer, item: @item,
|
||||
}
|
||||
}
|
||||
/* Each class has its own index -- encode it */
|
||||
let bkts = create_index(idx, hash_node_id);
|
||||
let bkts = create_index(idx);
|
||||
encode_index(ebml_w, bkts, write_int);
|
||||
ebml_w.end_tag();
|
||||
|
||||
@ -865,13 +868,13 @@ fn encode_info_for_items(ecx: @encode_ctxt, ebml_w: ebml::Writer,
|
||||
|
||||
// Path and definition ID indexing
|
||||
|
||||
fn create_index<T: Copy>(index: ~[entry<T>], hash_fn: fn@(T) -> uint) ->
|
||||
fn create_index<T: Copy Hash IterBytes>(index: ~[entry<T>]) ->
|
||||
~[@~[entry<T>]] {
|
||||
let mut buckets: ~[@mut ~[entry<T>]] = ~[];
|
||||
for uint::range(0u, 256u) |_i| { vec::push(buckets, @mut ~[]); };
|
||||
for index.each |elt| {
|
||||
let h = hash_fn(elt.val);
|
||||
vec::push(*buckets[h % 256u], elt);
|
||||
let h = elt.val.hash() as uint;
|
||||
vec::push(*buckets[h % 256], elt);
|
||||
}
|
||||
|
||||
let mut buckets_frozen = ~[];
|
||||
@ -1135,7 +1138,7 @@ fn encode_metadata(parms: encode_parms, crate: @crate) -> ~[u8] {
|
||||
ecx.stats.item_bytes = wr.pos - i;
|
||||
|
||||
i = wr.pos;
|
||||
let items_buckets = create_index(items_index, hash_node_id);
|
||||
let items_buckets = create_index(items_index);
|
||||
encode_index(ebml_w, items_buckets, write_int);
|
||||
ecx.stats.index_bytes = wr.pos - i;
|
||||
ebml_w.end_tag();
|
||||
|
Loading…
Reference in New Issue
Block a user