rustc: remove fields from ty::print::PrintConfig available from tcx.

2 files changed, 13 insertions, 23 deletions

diff --git a/src/librustc/ty/print/mod.rs b/src/librustc/ty/print/mod.rs
index 9d93d1a34a1..ccd2a702c9f 100644
--- a/src/librustc/ty/print/mod.rs
+++ b/src/librustc/ty/print/mod.rs
@@ -29,28 +29,14 @@ impl<'tcx> ty::fold::TypeVisitor<'tcx> for LateBoundRegionNameCollector {
     }
 }
 
+#[derive(Default)]
 pub(crate) struct PrintConfig {
     pub(crate) is_debug: bool,
-    pub(crate) is_verbose: bool,
-    pub(crate) identify_regions: bool,
     used_region_names: Option<FxHashSet<InternedString>>,
     region_index: usize,
     binder_depth: usize,
 }
 
-impl PrintConfig {
-    fn new(tcx: TyCtxt<'_, '_, '_>) -> Self {
-        PrintConfig {
-            is_debug: false,
-            is_verbose: tcx.sess.verbose(),
-            identify_regions: tcx.sess.opts.debugging_opts.identify_regions,
-            used_region_names: None,
-            region_index: 0,
-            binder_depth: 0,
-        }
-    }
-}
-
 pub struct PrintCx<'a, 'gcx, 'tcx, P> {
     pub tcx: TyCtxt<'a, 'gcx, 'tcx>,
     pub printer: P,
@@ -75,7 +61,7 @@ impl<'a, 'gcx, 'tcx, P> PrintCx<'a, 'gcx, 'tcx, P> {
         f(PrintCx {
             tcx,
             printer,
-            config: &mut PrintConfig::new(tcx),
+            config: &mut PrintConfig::default(),
         })
     }
 
diff --git a/src/librustc/ty/print/pretty.rs b/src/librustc/ty/print/pretty.rs
index caa4090625d..325897dc042 100644
--- a/src/librustc/ty/print/pretty.rs
+++ b/src/librustc/ty/print/pretty.rs
@@ -515,7 +515,7 @@ impl<'gcx, 'tcx, P: PrettyPrinter> PrintCx<'_, 'gcx, 'tcx, P> {
         });
 
         // Don't print args that are the defaults of their respective parameters.
-        let num_supplied_defaults = if self.config.is_verbose {
+        let num_supplied_defaults = if self.tcx.sess.verbose() {
             0
         } else {
             params.iter().rev().take_while(|param| {
@@ -818,10 +818,12 @@ impl<F: fmt::Write> PrettyPrinter for FmtPrinter<F> {
             return true;
         }
 
-        if self.config.is_verbose {
+        if self.tcx.sess.verbose() {
             return true;
         }
 
+        let identify_regions = self.tcx.sess.opts.debugging_opts.identify_regions;
+
         match *region {
             ty::ReEarlyBound(ref data) => {
                 data.name != "" && data.name != "'_"
@@ -846,7 +848,7 @@ impl<F: fmt::Write> PrettyPrinter for FmtPrinter<F> {
             }
 
             ty::ReScope(_) |
-            ty::ReVar(_) if self.config.identify_regions => true,
+            ty::ReVar(_) if identify_regions => true,
 
             ty::ReVar(_) |
             ty::ReScope(_) |
@@ -874,10 +876,12 @@ impl<F: fmt::Write> FmtPrinter<F> {
             return Ok(self.printer);
         }
 
-        if self.config.is_verbose {
+        if self.tcx.sess.verbose() {
             return region.print_debug(self);
         }
 
+        let identify_regions = self.tcx.sess.opts.debugging_opts.identify_regions;
+
         // These printouts are concise.  They do not contain all the information
         // the user might want to diagnose an error, but there is basically no way
         // to fit that into a short string.  Hence the recommendation to use
@@ -904,7 +908,7 @@ impl<F: fmt::Write> FmtPrinter<F> {
                     }
                 }
             }
-            ty::ReScope(scope) if self.config.identify_regions => {
+            ty::ReScope(scope) if identify_regions => {
                 match scope.data {
                     region::ScopeData::Node =>
                         p!(write("'{}s", scope.item_local_id().as_usize())),
@@ -921,7 +925,7 @@ impl<F: fmt::Write> FmtPrinter<F> {
                     )),
                 }
             }
-            ty::ReVar(region_vid) if self.config.identify_regions => {
+            ty::ReVar(region_vid) if identify_regions => {
                 p!(write("{:?}", region_vid));
             }
             ty::ReVar(_) => {}
@@ -1029,7 +1033,7 @@ impl<'gcx, 'tcx, P: PrettyPrinter> PrintCx<'_, 'gcx, 'tcx, P> {
                 p!(write("Placeholder({:?})", placeholder))
             }
             ty::Opaque(def_id, substs) => {
-                if self.config.is_verbose {
+                if self.tcx.sess.verbose() {
                     p!(write("Opaque({:?}, {:?})", def_id, substs));
                     return Ok(self.printer);
                 }