rustc: do not depend on infcx.tables in MemCategorizationContext.

[rust.git] / src / librustc_mir / build / mod.rs

diff --git a/src/librustc_mir/build/mod.rs b/src/librustc_mir/build/mod.rs
index 9e151596a1ab5da35de92a0d6d6bf6bd8792baec..8d549154e11db8e3901c0b6fd47953f696614f12 100644 (file)
--- a/src/librustc_mir/build/mod.rs
+++ b/src/librustc_mir/build/mod.rs
@@ -18,7 +18,6 @@
 use rustc::mir::*;
 use rustc::mir::transform::MirSource;
 use rustc::mir::visit::MutVisitor;
-use rustc::traits::Reveal;
 use rustc::ty::{self, Ty, TyCtxt};
 use rustc::ty::subst::Substs;
 use rustc::util::nodemap::NodeMap;
@@ -84,7 +83,7 @@ pub fn mir_build<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>, def_id: DefId) -> Mir<'t
     };
 
     let src = MirSource::from_node(tcx, id);
-    tcx.infer_ctxt(body_id, Reveal::UserFacing).enter(|infcx| {
+    tcx.infer_ctxt(()).enter(|infcx| {
         let cx = Cx::new(&infcx, src);
         let mut mir = if cx.tables().tainted_by_errors {
             build::construct_error(cx, body_id)
@@ -172,8 +171,7 @@ fn create_constructor_shim<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
 {
     let span = tcx.hir.span(ctor_id);
     if let hir::VariantData::Tuple(ref fields, ctor_id) = *v {
-        let pe = tcx.param_env(tcx.hir.local_def_id(ctor_id));
-        tcx.infer_ctxt(pe, Reveal::UserFacing).enter(|infcx| {
+        tcx.infer_ctxt(()).enter(|infcx| {
             let (mut mir, src) =
                 shim::build_adt_ctor(&infcx, ctor_id, fields, span);
 
@@ -367,13 +365,14 @@ fn construct_fn<'a, 'gcx, 'tcx, A>(hir: Cx<'a, 'gcx, 'tcx>,
     let upvar_decls: Vec<_> = tcx.with_freevars(fn_id, |freevars| {
         freevars.iter().map(|fv| {
             let var_id = tcx.hir.as_local_node_id(fv.def.def_id()).unwrap();
-            let by_ref = hir.tables().upvar_capture(ty::UpvarId {
+            let capture = hir.tables().upvar_capture(ty::UpvarId {
                 var_id: var_id,
                 closure_expr_id: fn_id
-            }).map_or(false, |capture| match capture {
+            });
+            let by_ref = match capture {
                 ty::UpvarCapture::ByValue => false,
                 ty::UpvarCapture::ByRef(..) => true
-            });
+            };
             let mut decl = UpvarDecl {
                 debug_name: keywords::Invalid.name(),
                 by_ref: by_ref
@@ -392,9 +391,9 @@ fn construct_fn<'a, 'gcx, 'tcx, A>(hir: Cx<'a, 'gcx, 'tcx>,
     mir
 }
 
-pub fn construct_const<'a, 'gcx, 'tcx>(hir: Cx<'a, 'gcx, 'tcx>,
-                                       body_id: hir::BodyId)
-                                       -> Mir<'tcx> {
+fn construct_const<'a, 'gcx, 'tcx>(hir: Cx<'a, 'gcx, 'tcx>,
+                                   body_id: hir::BodyId)
+                                   -> Mir<'tcx> {
     let tcx = hir.tcx();
     let ast_expr = &tcx.hir.body(body_id).value;
     let ty = hir.tables().expr_ty_adjusted(ast_expr);
@@ -415,7 +414,7 @@ pub fn construct_const<'a, 'gcx, 'tcx>(hir: Cx<'a, 'gcx, 'tcx>,
     builder.finish(vec![], ty)
 }
 
-pub fn construct_error<'a, 'gcx, 'tcx>(hir: Cx<'a, 'gcx, 'tcx>,
+fn construct_error<'a, 'gcx, 'tcx>(hir: Cx<'a, 'gcx, 'tcx>,
                                        body_id: hir::BodyId)
                                        -> Mir<'tcx> {
     let span = hir.tcx().hir.span(hir.tcx().hir.body_owner(body_id));