diff options
| -rw-r--r-- | src/librustc/mir/mod.rs | 6 | ||||
| -rw-r--r-- | src/librustc/session/config.rs | 2 | ||||
| -rw-r--r-- | src/librustc/util/ppaux.rs | 6 |
3 files changed, 12 insertions, 2 deletions
diff --git a/src/librustc/mir/mod.rs b/src/librustc/mir/mod.rs index 80c42917196..2b2d96351f6 100644 --- a/src/librustc/mir/mod.rs +++ b/src/librustc/mir/mod.rs @@ -1224,7 +1224,11 @@ impl<'tcx> Debug for Rvalue<'tcx> { AggregateKind::Closure(def_id, _) => ty::tls::with(|tcx| { if let Some(node_id) = tcx.hir.as_local_node_id(def_id) { - let name = format!("[closure@{:?}]", tcx.hir.span(node_id)); + let name = if tcx.sess.opts.debugging_opts.span_free_formats { + format!("[closure@{:?}]", node_id) + } else { + format!("[closure@{:?}]", tcx.hir.span(node_id)) + }; let mut struct_fmt = fmt.debug_struct(&name); tcx.with_freevars(node_id, |freevars| { diff --git a/src/librustc/session/config.rs b/src/librustc/session/config.rs index 589489b49b4..99435ccf929 100644 --- a/src/librustc/session/config.rs +++ b/src/librustc/session/config.rs @@ -893,6 +893,8 @@ options! {DebuggingOptions, DebuggingSetter, basic_debugging_options, DB_OPTIONS, db_type_desc, dbsetters, verbose: bool = (false, parse_bool, [UNTRACKED], "in general, enable more debug printouts"), + span_free_formats: bool = (false, parse_bool, [UNTRACKED], + "when debug-printing compiler state, do not include spans"), // o/w tests have closure@path time_passes: bool = (false, parse_bool, [UNTRACKED], "measure time of each rustc pass"), count_llvm_insns: bool = (false, parse_bool, diff --git a/src/librustc/util/ppaux.rs b/src/librustc/util/ppaux.rs index 15fbeb5108f..39f8a1d81b8 100644 --- a/src/librustc/util/ppaux.rs +++ b/src/librustc/util/ppaux.rs @@ -789,7 +789,11 @@ impl<'tcx> fmt::Display for ty::TypeVariants<'tcx> { write!(f, "[closure")?; if let Some(node_id) = tcx.hir.as_local_node_id(did) { - write!(f, "@{:?}", tcx.hir.span(node_id))?; + if tcx.sess.opts.debugging_opts.span_free_formats { + write!(f, "@{:?}", node_id)?; + } else { + write!(f, "@{:?}", tcx.hir.span(node_id))?; + } let mut sep = " "; tcx.with_freevars(node_id, |freevars| { for (freevar, upvar_ty) in freevars.iter().zip(upvar_tys) { |