Remove unused RenderInfo struct

Author: jyn514

Diff for: src/librustdoc/config.rs

@@ -4,9 +4,7 @@ use std::ffi::OsStr;
 use std::fmt;
 use std::path::PathBuf;
 
-use rustc_data_structures::fx::{FxHashMap, FxHashSet};
-use rustc_hir::def_id::DefId;
-use rustc_middle::middle::privacy::AccessLevels;
+use rustc_data_structures::fx::FxHashMap;
 use rustc_session::config::{self, parse_crate_types_from_list, parse_externs, CrateType};
 use rustc_session::config::{
     build_codegen_options, build_debugging_options, get_cmd_lint_options, host_triple,
@@ -268,20 +266,6 @@ crate struct RenderOptions {
     crate unstable_features: rustc_feature::UnstableFeatures,
 }
 
-/// Temporary storage for data obtained during `RustdocVisitor::clean()`.
-/// Later on moved into `cache`.
-#[derive(Default, Clone)]
-crate struct RenderInfo {
-    crate inlined: FxHashSet<DefId>,
-    crate external_paths: crate::core::ExternalPaths,
-    crate exact_paths: FxHashMap<DefId, Vec<String>>,
-    crate access_levels: AccessLevels<DefId>,
-    crate deref_trait_did: Option<DefId>,
-    crate deref_mut_trait_did: Option<DefId>,
-    crate owned_box_did: Option<DefId>,
-    crate output_format: OutputFormat,
-}
-
 impl Options {
     /// Parses the given command-line for options. If an error message or other early-return has
     /// been printed, returns `Err` with the exit code.

Diff for: src/librustdoc/core.rs

@@ -33,15 +33,13 @@ use std::{
 
 use crate::clean;
 use crate::clean::{AttributesExt, MAX_DEF_IDX};
+use crate::config::OutputFormat;
 use crate::config::{Options as RustdocOptions, RenderOptions};
-use crate::config::{OutputFormat, RenderInfo};
 use crate::formats::cache::Cache;
 use crate::passes::{self, Condition::*, ConditionalPass};
 
 crate use rustc_session::config::{DebuggingOptions, Input, Options};
 
-crate type ExternalPaths = FxHashMap<DefId, (Vec<String>, clean::TypeKind)>;
-
 crate struct DocContext<'tcx> {
     crate tcx: TyCtxt<'tcx>,
     crate resolver: Rc<RefCell<interface::BoxedResolver>>,
@@ -506,10 +504,6 @@ crate fn run_global_ctxt(
             .collect(),
     };
 
-    let mut renderinfo = RenderInfo::default();
-    renderinfo.access_levels = access_levels;
-    renderinfo.output_format = output_format;
-
     let mut ctxt = DocContext {
         tcx,
         resolver,
@@ -529,7 +523,7 @@ crate fn run_global_ctxt(
             .filter(|trait_def_id| tcx.trait_is_auto(*trait_def_id))
             .collect(),
         module_trait_cache: RefCell::new(FxHashMap::default()),
-        cache: RefCell::new(Cache::new(renderinfo, render_options.document_private)),
+        cache: RefCell::new(Cache::new(access_levels, render_options.document_private)),
         inlined: RefCell::new(FxHashSet::default()),
         output_format,
         render_options,

Diff for: src/librustdoc/formats/cache.rs

@@ -10,7 +10,6 @@ use rustc_span::source_map::FileName;
 use rustc_span::Symbol;
 
 use crate::clean::{self, GetDefId};
-use crate::config::RenderInfo;
 use crate::fold::DocFolder;
 use crate::formats::item_type::ItemType;
 use crate::formats::Impl;
@@ -130,32 +129,8 @@ struct CacheBuilder<'a, 'tcx> {
 }
 
 impl Cache {
-    crate fn new(render_info: RenderInfo, document_private: bool) -> Self {
-        // Crawl the crate to build various caches used for the output
-        let RenderInfo {
-            inlined: _,
-            external_paths,
-            exact_paths,
-            access_levels,
-            deref_trait_did,
-            deref_mut_trait_did,
-            owned_box_did,
-            ..
-        } = render_info;
-
-        let external_paths =
-            external_paths.into_iter().map(|(k, (v, t))| (k, (v, ItemType::from(t)))).collect();
-
-        Cache {
-            external_paths,
-            exact_paths,
-            access_levels,
-            document_private,
-            deref_trait_did,
-            deref_mut_trait_did,
-            owned_box_did,
-            ..Cache::default()
-        }
+    crate fn new(access_levels: AccessLevels<DefId>, document_private: bool) -> Self {
+        Cache { access_levels, document_private, ..Cache::default() }
     }
 
     crate fn populate(
@@ -165,6 +140,7 @@ impl Cache {
         extern_html_root_urls: &BTreeMap<String, String>,
         dst: &Path,
     ) -> clean::Crate {
+        // Crawl the crate to build various caches used for the output
         self.crate_version = krate.version.take();
         debug!(?self.crate_version);
         self.traits = krate.external_traits.take();