Add more self-profile info to rustc_resolve

[rust.git] / compiler / rustc_resolve / src / lib.rs

diff --git a/compiler/rustc_resolve/src/lib.rs b/compiler/rustc_resolve/src/lib.rs
index af5341623758a076e0481efa6ca0b5560cffc03c..2b4a1d9e3fa0a45a0ed676d9892a38e794bbcd9d 100644 (file)
--- a/compiler/rustc_resolve/src/lib.rs
+++ b/compiler/rustc_resolve/src/lib.rs
@@ -1465,16 +1465,14 @@ fn macro_def(&self, mut ctxt: SyntaxContext) -> DefId {
 
     /// Entry point to crate resolution.
     pub fn resolve_crate(&mut self, krate: &Crate) {
-        let _prof_timer = self.session.prof.generic_activity("resolve_crate");
-
-        ImportResolver { r: self }.finalize_imports();
-        self.finalize_macro_resolutions();
-
-        self.late_resolve_crate(krate);
-
-        self.check_unused(krate);
-        self.report_errors(krate);
-        self.crate_loader.postprocess(krate);
+        self.session.time("resolve_crate", || {
+            self.session.time("finalize_imports", || ImportResolver { r: self }.finalize_imports());
+            self.session.time("finalize_macro_resolutions", || self.finalize_macro_resolutions());
+            self.session.time("late_resolve_crate", || self.late_resolve_crate(krate));
+            self.session.time("resolve_check_unused", || self.check_unused(krate));
+            self.session.time("resolve_report_errors", || self.report_errors(krate));
+            self.session.time("resolve_postprocess", || self.crate_loader.postprocess(krate));
+        });
     }
 
     pub fn traits_in_scope(
@@ -2485,8 +2483,14 @@ enum FindBindingResult<'a> {
                             (format!("use of undeclared crate or module `{}`", ident), None)
                         }
                     } else {
-                        let mut msg =
-                            format!("could not find `{}` in `{}`", ident, path[i - 1].ident);
+                        let parent = path[i - 1].ident.name;
+                        let parent = if parent == kw::PathRoot {
+                            "crate root".to_owned()
+                        } else {
+                            format!("`{}`", parent)
+                        };
+
+                        let mut msg = format!("could not find `{}` in {}", ident, parent);
                         if ns == TypeNS || ns == ValueNS {
                             let ns_to_try = if ns == TypeNS { ValueNS } else { TypeNS };
                             if let FindBindingResult::Binding(Ok(binding)) =
@@ -2494,11 +2498,11 @@ enum FindBindingResult<'a> {
                             {
                                 let mut found = |what| {
                                     msg = format!(
-                                        "expected {}, found {} `{}` in `{}`",
+                                        "expected {}, found {} `{}` in {}",
                                         ns.descr(),
                                         what,
                                         ident,
-                                        path[i - 1].ident
+                                        parent
                                     )
                                 };
                                 if binding.module().is_some() {