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Auto merge of #37301 - jseyfried:improve_metadata_modules, r=eddyb 

metadata: improve some confusing type and module names

r? @eddyb
This commit is contained in:
bors 2016-10-22 16:26:54 -07:00 committed by GitHub
parent a117bba125 f3993d1a7f
commit 4845adde36
9 changed files with 59 additions and 78 deletions
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3
src/librustc_driver/driver.rs
View File

@ -645,7 +645,8 @@ pub fn phase_2_configure_and_expand<'a, F>(sess: &Session,
// its contents but the results of name resolution on those contents. Hopefully we'll push
// this back at some point.
let _ignore = sess.dep_graph.in_ignore();
let mut crate_loader = CrateLoader::new(sess, &cstore, &krate, crate_name);
let mut crate_loader = CrateLoader::new(sess, &cstore, crate_name, krate.config.clone());
crate_loader.preprocess(&krate);
let resolver_arenas = Resolver::arenas();
let mut resolver =
Resolver::new(sess, &krate, make_glob_map, &mut crate_loader, &resolver_arenas);

5
src/librustc_driver/lib.rs
View File

@ -77,7 +77,7 @@ use rustc::session::config::nightly_options;
use rustc::session::early_error;
use rustc::lint::Lint;
use rustc::lint;
use rustc_metadata::loader;
use rustc_metadata::locator;
use rustc_metadata::cstore::CStore;
use rustc::util::common::time;
@ -578,8 +578,7 @@ impl RustcDefaultCalls {
&Input::File(ref ifile) => {
let path = &(*ifile);
let mut v = Vec::new();
loader::list_file_metadata(&sess.target.target, path, &mut v)
.unwrap();
locator::list_file_metadata(&sess.target.target, path, &mut v).unwrap();
println!("{}", String::from_utf8(v).unwrap());
}
&Input::Str { .. } => {

92
src/librustc_metadata/creader.rs
View File

@ -11,7 +11,7 @@
//! Validates all used crates and extern libraries and loads their metadata
use cstore::{self, CStore, CrateSource, MetadataBlob};
use loader::{self, CratePaths};
use locator::{self, CratePaths};
use macro_import;
use schema::CrateRoot;
@ -40,14 +40,14 @@ use syntax::parse::token::InternedString;
use syntax_pos::{self, Span, mk_sp};
use log;
pub struct CrateLoader<'a> {
pub sess: &'a Session,
pub creader: CrateReader<'a>,
cstore: &'a CStore,
pub struct Library {
pub dylib: Option<(PathBuf, PathKind)>,
pub rlib: Option<(PathBuf, PathKind)>,
pub metadata: MetadataBlob,
}
pub struct CrateReader<'a> {
sess: &'a Session,
pub struct CrateLoader<'a> {
pub sess: &'a Session,
cstore: &'a CStore,
next_crate_num: CrateNum,
foreign_item_map: FnvHashMap<String, Vec<ast::NodeId>>,
@ -129,7 +129,7 @@ struct ExtensionCrate {
enum PMDSource {
Registered(Rc<cstore::CrateMetadata>),
Owned(loader::Library),
Owned(Library),
}
impl Deref for PMDSource {
@ -145,7 +145,7 @@ impl Deref for PMDSource {
enum LoadResult {
Previous(CrateNum),
Loaded(loader::Library),
Loaded(Library),
}
pub struct Macros {
@ -159,13 +159,13 @@ pub struct Macros {
pub dylib: Option<PathBuf>,
}
impl<'a> CrateReader<'a> {
impl<'a> CrateLoader<'a> {
pub fn new(sess: &'a Session,
cstore: &'a CStore,
local_crate_name: &str,
local_crate_config: ast::CrateConfig)
-> CrateReader<'a> {
CrateReader {
-> Self {
CrateLoader {
sess: sess,
cstore: cstore,
next_crate_num: cstore.next_crate_num(),
@ -281,7 +281,7 @@ impl<'a> CrateReader<'a> {
ident: &str,
name: &str,
span: Span,
lib: loader::Library,
lib: Library,
explicitly_linked: bool)
-> (CrateNum, Rc<cstore::CrateMetadata>,
cstore::CrateSource) {
@ -306,7 +306,7 @@ impl<'a> CrateReader<'a> {
// Maintain a reference to the top most crate.
let root = if root.is_some() { root } else { &crate_paths };
let loader::Library { dylib, rlib, metadata } = lib;
let Library { dylib, rlib, metadata } = lib;
let cnum_map = self.resolve_crate_deps(root, &crate_root, &metadata, cnum, span);
@ -352,7 +352,7 @@ impl<'a> CrateReader<'a> {
Some(cnum) => LoadResult::Previous(cnum),
None => {
info!("falling back to a load");
let mut load_ctxt = loader::Context {
let mut locate_ctxt = locator::Context {
sess: self.sess,
span: span,
ident: ident,
@ -368,9 +368,9 @@ impl<'a> CrateReader<'a> {
rejected_via_version: vec!(),
should_match_name: true,
};
match self.load(&mut load_ctxt) {
match self.load(&mut locate_ctxt) {
Some(result) => result,
None => load_ctxt.report_load_errs(),
None => locate_ctxt.report_errs(),
}
}
};
@ -390,8 +390,8 @@ impl<'a> CrateReader<'a> {
}
}
fn load(&mut self, loader: &mut loader::Context) -> Option<LoadResult> {
let library = match loader.maybe_load_library_crate() {
fn load(&mut self, locate_ctxt: &mut locator::Context) -> Option<LoadResult> {
let library = match locate_ctxt.maybe_load_library_crate() {
Some(lib) => lib,
None => return None,
};
@ -405,11 +405,11 @@ impl<'a> CrateReader<'a> {
// don't want to match a host crate against an equivalent target one
// already loaded.
let root = library.metadata.get_root();
if loader.triple == self.sess.opts.target_triple {
if locate_ctxt.triple == self.sess.opts.target_triple {
let mut result = LoadResult::Loaded(library);
self.cstore.iter_crate_data(|cnum, data| {
if data.name() == root.name && root.hash == data.hash() {
assert!(loader.hash.is_none());
assert!(locate_ctxt.hash.is_none());
info!("load success, going to previous cnum: {}", cnum);
result = LoadResult::Previous(cnum);
}
@ -494,7 +494,7 @@ impl<'a> CrateReader<'a> {
let mut target_only = false;
let ident = info.ident.clone();
let name = info.name.clone();
let mut load_ctxt = loader::Context {
let mut locate_ctxt = locator::Context {
sess: self.sess,
span: span,
ident: &ident[..],
@ -510,7 +510,7 @@ impl<'a> CrateReader<'a> {
rejected_via_version: vec!(),
should_match_name: true,
};
let library = self.load(&mut load_ctxt).or_else(|| {
let library = self.load(&mut locate_ctxt).or_else(|| {
if !is_cross {
return None
}
@ -519,15 +519,15 @@ impl<'a> CrateReader<'a> {
target_only = true;
should_link = info.should_link;
load_ctxt.target = &self.sess.target.target;
load_ctxt.triple = target_triple;
load_ctxt.filesearch = self.sess.target_filesearch(PathKind::Crate);
locate_ctxt.target = &self.sess.target.target;
locate_ctxt.triple = target_triple;
locate_ctxt.filesearch = self.sess.target_filesearch(PathKind::Crate);
self.load(&mut load_ctxt)
self.load(&mut locate_ctxt)
});
let library = match library {
Some(l) => l,
None => load_ctxt.report_load_errs(),
None => locate_ctxt.report_errs(),
};
let (dylib, metadata) = match library {
@ -890,7 +890,7 @@ impl<'a> CrateReader<'a> {
}
impl ExtensionCrate {
fn register(self, creader: &mut CrateReader) {
fn register(self, loader: &mut CrateLoader) {
if !self.should_link {
return
}
@ -901,31 +901,17 @@ impl ExtensionCrate {
};
// Register crate now to avoid double-reading metadata
creader.register_crate(&None,
&self.ident,
&self.name,
self.span,
library,
true);
loader.register_crate(&None, &self.ident, &self.name, self.span, library, true);
}
}
impl<'a> CrateLoader<'a> {
pub fn new(sess: &'a Session, cstore: &'a CStore, krate: &ast::Crate, crate_name: &str)
-> Self {
let loader = CrateLoader {
sess: sess,
cstore: cstore,
creader: CrateReader::new(sess, cstore, crate_name, krate.config.clone()),
};
pub fn preprocess(&mut self, krate: &ast::Crate) {
for attr in krate.attrs.iter().filter(|m| m.name() == "link_args") {
if let Some(ref linkarg) = attr.value_str() {
loader.cstore.add_used_link_args(&linkarg);
self.cstore.add_used_link_args(&linkarg);
}
}
loader
}
fn process_foreign_mod(&mut self, i: &ast::Item, fm: &ast::ForeignMod) {
@ -982,7 +968,7 @@ impl<'a> CrateLoader<'a> {
Some(name) => name,
None => continue,
};
let list = self.creader.foreign_item_map.entry(lib_name.to_string())
let list = self.foreign_item_map.entry(lib_name.to_string())
.or_insert(Vec::new());
list.extend(fm.items.iter().map(|it| it.id));
}
@ -991,8 +977,8 @@ impl<'a> CrateLoader<'a> {
impl<'a> middle::cstore::CrateLoader for CrateLoader<'a> {
fn postprocess(&mut self, krate: &ast::Crate) {
self.creader.inject_allocator_crate();
self.creader.inject_panic_runtime(krate);
self.inject_allocator_crate();
self.inject_panic_runtime(krate);
if log_enabled!(log::INFO) {
dump_crates(&self.cstore);
@ -1001,7 +987,7 @@ impl<'a> middle::cstore::CrateLoader for CrateLoader<'a> {
for &(ref name, kind) in &self.sess.opts.libs {
register_native_lib(self.sess, self.cstore, None, name.clone(), kind);
}
self.creader.register_statically_included_foreign_items();
self.register_statically_included_foreign_items();
}
fn process_item(&mut self, item: &ast::Item, definitions: &hir_map::Definitions) {
@ -1024,12 +1010,12 @@ impl<'a> middle::cstore::CrateLoader for CrateLoader<'a> {
}
}
if let Some(info) = self.creader.extract_crate_info(item) {
if let Some(info) = self.extract_crate_info(item) {
if !info.should_link {
return;
}
let (cnum, ..) = self.creader.resolve_crate(
let (cnum, ..) = self.resolve_crate(
&None, &info.ident, &info.name, None, item.span, PathKind::Crate, true,
);
@ -1038,7 +1024,7 @@ impl<'a> middle::cstore::CrateLoader for CrateLoader<'a> {
let extern_crate =
ExternCrate { def_id: def_id, span: item.span, direct: true, path_len: len };
self.creader.update_extern_crate(cnum, extern_crate, &mut FnvHashSet());
self.update_extern_crate(cnum, extern_crate, &mut FnvHashSet());
self.cstore.add_extern_mod_stmt_cnum(info.id, cnum);
}

4
src/librustc_metadata/cstore.rs
View File

@ -11,7 +11,7 @@
// The crate store - a central repo for information collected about external
// crates and libraries
use loader;
use locator;
use schema;
use rustc::dep_graph::DepGraph;
@ -43,7 +43,7 @@ pub type CrateNumMap = IndexVec<CrateNum, CrateNum>;
pub enum MetadataBlob {
Inflated(Bytes),
Archive(loader::ArchiveMetadata),
Archive(locator::ArchiveMetadata),
}
/// Holds information about a syntax_pos::FileMap imported from another crate.

6
src/librustc_metadata/csearch.rs → src/librustc_metadata/cstore_impl.rs
View File

@ -10,7 +10,7 @@
use cstore;
use encoder;
use loader;
use locator;
use schema;
use rustc::middle::cstore::{InlinedItem, CrateStore, CrateSource, ExternCrate};
@ -497,12 +497,12 @@ impl<'tcx> CrateStore<'tcx> for cstore::CStore {
fn metadata_filename(&self) -> &str
{
loader::METADATA_FILENAME
locator::METADATA_FILENAME
}
fn metadata_section_name(&self, target: &Target) -> &str
{
loader::meta_section_name(target)
locator::meta_section_name(target)
}
fn used_crates(&self, prefer: LinkagePreference) -> Vec<(CrateNum, Option<PathBuf>)>

4
src/librustc_metadata/lib.rs
View File

@ -53,12 +53,12 @@ mod index_builder;
mod index;
mod encoder;
mod decoder;
mod csearch;
mod cstore_impl;
mod schema;
pub mod creader;
pub mod cstore;
pub mod loader;
pub mod locator;
pub mod macro_import;
__build_diagnostic_array! { librustc_metadata, DIAGNOSTICS }

13
src/librustc_metadata/loader.rs → src/librustc_metadata/locator.rs
View File

@ -210,9 +210,10 @@
//!
//! That's the general overview of loading crates in the compiler, but it's by
//! no means all of the necessary details. Take a look at the rest of
//! metadata::loader or metadata::creader for all the juicy details!
//! metadata::locator or metadata::creader for all the juicy details!
use cstore::MetadataBlob;
use creader::Library;
use schema::{METADATA_HEADER, rustc_version};
use rustc::hir::svh::Svh;
@ -263,12 +264,6 @@ pub struct Context<'a> {
pub should_match_name: bool,
}
pub struct Library {
pub dylib: Option<(PathBuf, PathKind)>,
pub rlib: Option<(PathBuf, PathKind)>,
pub metadata: MetadataBlob,
}
pub struct ArchiveMetadata {
_archive: ArchiveRO,
// points into self._archive
@ -315,10 +310,10 @@ impl<'a> Context<'a> {
}
pub fn load_library_crate(&mut self) -> Library {
self.find_library_crate().unwrap_or_else(|| self.report_load_errs())
self.find_library_crate().unwrap_or_else(|| self.report_errs())
}
pub fn report_load_errs(&mut self) -> ! {
pub fn report_errs(&mut self) -> ! {
let add = match self.root {
&None => String::new(),
&Some(ref r) => format!(" which `{}` depends on",

4
src/librustc_metadata/macro_import.rs
View File

@ -110,7 +110,7 @@ impl<'a> CrateLoader<'a> {
if sel.is_empty() && reexport.is_empty() {
// Make sure we can read macros from `#[no_link]` crates.
if no_link {
self.creader.read_macros(vi);
self.read_macros(vi);
}
return Vec::new();
}
@ -122,7 +122,7 @@ impl<'a> CrateLoader<'a> {
return Vec::new();
}
let mut macros = self.creader.read_macros(vi);
let mut macros = self.read_macros(vi);
let mut ret = Vec::new();
let mut seen = HashSet::new();

6
src/librustc_plugin/load.rs
View File

@ -11,7 +11,7 @@
//! Used by `rustc` when loading a plugin.
use rustc::session::Session;
use rustc_metadata::creader::CrateReader;
use rustc_metadata::creader::CrateLoader;
use rustc_metadata::cstore::CStore;
use registry::Registry;
@ -33,7 +33,7 @@ pub struct PluginRegistrar {
struct PluginLoader<'a> {
sess: &'a Session,
reader: CrateReader<'a>,
reader: CrateLoader<'a>,
plugins: Vec<PluginRegistrar>,
}
@ -96,7 +96,7 @@ impl<'a> PluginLoader<'a> {
-> PluginLoader<'a> {
PluginLoader {
sess: sess,
reader: CrateReader::new(sess, cstore, crate_name, crate_config),
reader: CrateLoader::new(sess, cstore, crate_name, crate_config),
plugins: vec![],
}
}