Convert all uses of #ifmt to #fmt. Issue #855

23 files changed, 104 insertions, 104 deletions

diff --git a/src/comp/back/link.rs b/src/comp/back/link.rs
index 7ff80d70ce5..553478d7ed1 100644
--- a/src/comp/back/link.rs
+++ b/src/comp/back/link.rs
@@ -340,7 +340,7 @@ fn build_link_meta(sess: &session::session, c: &ast::crate, output: &istr,
     fn crate_meta_extras_hash(sha: sha1, _crate: &ast::crate,
                               metas: &provided_metas) -> istr {
         fn len_and_str(s: &istr) -> istr {
-            ret #ifmt["%u_%s", str::byte_len(s), s];
+            ret #fmt["%u_%s", str::byte_len(s), s];
         }
 
         fn len_and_str_lit(l: &ast::lit) -> istr {
@@ -372,7 +372,7 @@ fn build_link_meta(sess: &session::session, c: &ast::crate, output: &istr,
     fn warn_missing(sess: &session::session, name: &istr, default: &istr) {
         if !sess.get_opts().library { ret; }
         sess.warn(
-            #ifmt["missing crate link meta '%s', using '%s' as default",
+            #fmt["missing crate link meta '%s', using '%s' as default",
                        name, default]);
     }
 
@@ -458,7 +458,7 @@ fn mangle(ss: &[istr]) -> istr {
     let n = ~"_ZN"; // Begin name-sequence.
 
     for s: istr in ss {
-        n += #ifmt["%u%s", str::byte_len(s), s];
+        n += #fmt["%u%s", str::byte_len(s), s];
     }
     n += ~"E"; // End name-sequence.
 
diff --git a/src/comp/driver/rustc.rs b/src/comp/driver/rustc.rs
index 78d17282724..829c40ed803 100644
--- a/src/comp/driver/rustc.rs
+++ b/src/comp/driver/rustc.rs
@@ -121,7 +121,7 @@ fn time<@T>(do_it: bool, what: &istr, thunk: fn() -> T) -> T {
     let start = std::time::precise_time_s();
     let rv = thunk();
     let end = std::time::precise_time_s();
-    log_err #ifmt["time: %s took %s s", what,
+    log_err #fmt["time: %s took %s s", what,
                  common::float_to_str(end - start, 3u)];
     ret rv;
 }
@@ -260,14 +260,14 @@ fn version(argv0: &istr) {
     let env_vers = #env["CFG_VERSION"];
     if str::byte_len(env_vers) != 0u { vers = env_vers; }
     io::stdout().write_str(
-        #ifmt["%s %s\n",
+        #fmt["%s %s\n",
                              argv0,
                              vers]);
 }
 
 fn usage(argv0: &istr) {
     io::stdout().write_str(
-        #ifmt["usage: %s [options] <input>\n", argv0] +
+        #fmt["usage: %s [options] <input>\n", argv0] +
                                ~"
 options:
 
@@ -471,7 +471,7 @@ fn main(args: [istr]) {
         alt getopts::getopts(args, opts()) {
           getopts::success(m) { m }
           getopts::failure(f) {
-            log_err #ifmt["error: %s", getopts::fail_str(f)];
+            log_err #fmt["error: %s", getopts::fail_str(f)];
             fail
           }
         };
@@ -636,9 +636,9 @@ fn main(args: [istr]) {
     let err_code = run::run_program(prog, gcc_args);
     if 0 != err_code {
         sess.err(
-            #ifmt["linking with gcc failed with code %d", err_code]);
+            #fmt["linking with gcc failed with code %d", err_code]);
         sess.note(
-            #ifmt["gcc arguments: %s",
+            #fmt["gcc arguments: %s",
                        str::connect(gcc_args, ~" ")]);
         sess.abort_if_errors();
     }
diff --git a/src/comp/driver/session.rs b/src/comp/driver/session.rs
index 7f40921088d..312cdc58f69 100644
--- a/src/comp/driver/session.rs
+++ b/src/comp/driver/session.rs
@@ -94,12 +94,12 @@ obj session(targ_cfg: @config,
     }
     fn span_bug(sp: span, msg: &istr) -> ! {
         self.span_fatal(sp,
-                        #ifmt["internal compiler error %s",
+                        #fmt["internal compiler error %s",
                                              msg]);
     }
     fn bug(msg: &istr) -> ! {
         self.fatal(
-            #ifmt["internal compiler error %s",
+            #fmt["internal compiler error %s",
                  msg]);
     }
     fn span_unimpl(sp: span, msg: &istr) -> ! {
diff --git a/src/comp/front/attr.rs b/src/comp/front/attr.rs
index 4ad38e2274e..ae104e62fa3 100644
--- a/src/comp/front/attr.rs
+++ b/src/comp/front/attr.rs
@@ -123,10 +123,10 @@ fn eq(a: @ast::meta_item, b: @ast::meta_item) -> bool {
 }
 
 fn contains(haystack: &[@ast::meta_item], needle: @ast::meta_item) -> bool {
-    log #ifmt["looking for %s",
+    log #fmt["looking for %s",
                  syntax::print::pprust::meta_item_to_str(*needle)];
     for item: @ast::meta_item in haystack {
-        log #ifmt["looking in %s",
+        log #fmt["looking in %s",
                      syntax::print::pprust::meta_item_to_str(*item)];
         if eq(item, needle) { log "found it!"; ret true; }
     }
@@ -183,7 +183,7 @@ fn require_unique_names(sess: &session::session, metas: &[@ast::meta_item]) {
         let name = get_meta_item_name(meta);
         if map.contains_key(name) {
             sess.span_fatal(meta.span,
-                            #ifmt["duplicate meta item `%s`",
+                            #fmt["duplicate meta item `%s`",
                                  name]);
         }
         map.insert(name, ());
diff --git a/src/comp/front/test.rs b/src/comp/front/test.rs
index f2eced86634..5103ffab827 100644
--- a/src/comp/front/test.rs
+++ b/src/comp/front/test.rs
@@ -92,14 +92,14 @@ fn fold_item(cx: &test_ctxt, i: &@ast::item, fld: fold::ast_fold) ->
    @ast::item {
 
     cx.path += [i.ident];
-    log #ifmt["current path: %s",
+    log #fmt["current path: %s",
              ast_util::path_name_i(cx.path)];
 
     if is_test_fn(i) {
         log "this is a test function";
         let test = {path: cx.path, ignore: is_ignored(i)};
         cx.testfns += [test];
-        log #ifmt["have %u test functions", vec::len(cx.testfns)];
+        log #fmt["have %u test functions", vec::len(cx.testfns)];
     }
 
     let res = fold::noop_fold_item(i, fld);
@@ -168,7 +168,7 @@ fn mk_test_module(cx: &test_ctxt) -> @ast::item {
          node: item_,
          span: dummy_sp()};
 
-    log #ifmt["Synthetic test module:\n%s\n",
+    log #fmt["Synthetic test module:\n%s\n",
              pprust::item_to_str(@item)];
 
     ret @item;
@@ -234,7 +234,7 @@ fn mk_test_desc_vec_ty(cx: &test_ctxt) -> @ast::ty {
 }
 
 fn mk_test_desc_vec(cx: &test_ctxt) -> @ast::expr {
-    log #ifmt["building test vector from %u tests", vec::len(cx.testfns)];
+    log #fmt["building test vector from %u tests", vec::len(cx.testfns)];
     let descs = [];
     for test: test in cx.testfns {
         let test_ = test; // Satisfy alias analysis
@@ -249,7 +249,7 @@ fn mk_test_desc_vec(cx: &test_ctxt) -> @ast::expr {
 fn mk_test_desc_rec(cx: &test_ctxt, test: test) -> @ast::expr {
     let path = test.path;
 
-    log #ifmt["encoding %s",
+    log #fmt["encoding %s",
              ast_util::path_name_i(path)];
 
     let name_lit: ast::lit =
diff --git a/src/comp/lib/llvm.rs b/src/comp/lib/llvm.rs
index d59f6893815..105490ac223 100644
--- a/src/comp/lib/llvm.rs
+++ b/src/comp/lib/llvm.rs
@@ -1040,7 +1040,7 @@ fn type_to_str_inner(names: type_names, outer0: &[TypeRef], ty: TypeRef) ->
       }
       13 { ret ~"Vector"; }
       14 { ret ~"Metadata"; }
-      _ { log_err #ifmt["unknown TypeKind %d", kind as int]; fail; }
+      _ { log_err #fmt["unknown TypeKind %d", kind as int]; fail; }
     }
 }
 
diff --git a/src/comp/metadata/creader.rs b/src/comp/metadata/creader.rs
index 81978664a07..4fd911a1bad 100644
--- a/src/comp/metadata/creader.rs
+++ b/src/comp/metadata/creader.rs
@@ -99,12 +99,12 @@ fn metadata_matches(crate_data: &@[u8], metas: &[@ast::meta_item]) -> bool {
     let attrs = decoder::get_crate_attributes(crate_data);
     let linkage_metas = attr::find_linkage_metas(attrs);
 
-    log #ifmt["matching %u metadata requirements against %u items",
+    log #fmt["matching %u metadata requirements against %u items",
              vec::len(metas), vec::len(linkage_metas)];
 
     for needed: @ast::meta_item in metas {
         if !attr::contains(linkage_metas, needed) {
-            log #ifmt["missing %s",
+            log #fmt["missing %s",
                      pprust::meta_item_to_str(*needed)];
             ret false;
         }
@@ -169,13 +169,13 @@ fn find_library_crate_aux(nn: &{prefix: istr, suffix: istr},
     // manually filtering fs::list_dir here.
 
     for library_search_path: istr in library_search_paths {
-        log #ifmt["searching %s", library_search_path];
+        log #fmt["searching %s", library_search_path];
         for path: istr in fs::list_dir(library_search_path) {
-            log #ifmt["searching %s", path];
+            log #fmt["searching %s", path];
             let f: istr = fs::basename(path);
             if !(str::starts_with(f, prefix) && str::ends_with(f, suffix))
                {
-                log #ifmt["skipping %s, doesn't look like %s*%s",
+                log #fmt["skipping %s, doesn't look like %s*%s",
                          path,
                          prefix,
                          suffix];
@@ -184,11 +184,11 @@ fn find_library_crate_aux(nn: &{prefix: istr, suffix: istr},
             alt get_metadata_section(path) {
               option::some(cvec) {
                 if !metadata_matches(cvec, metas) {
-                    log #ifmt["skipping %s, metadata doesn't match",
+                    log #fmt["skipping %s, metadata doesn't match",
                              path];
                     cont;
                 }
-                log #ifmt["found %s with matching metadata",
+                log #fmt["found %s with matching metadata",
                          path];
                 ret some({ident: path, data: cvec});
               }
@@ -230,7 +230,7 @@ fn load_library_crate(sess: &session::session, span: span, ident: &ast::ident,
       some(t) { ret t; }
       none. {
         sess.span_fatal(span,
-                        #ifmt["can't find crate for '%s'",
+                        #fmt["can't find crate for '%s'",
                                    ident]);
       }
     }
@@ -274,7 +274,7 @@ fn resolve_crate_deps(e: env, cdata: &@[u8]) -> cstore::cnum_map {
     for dep: decoder::crate_dep in decoder::get_crate_deps(cdata) {
         let extrn_cnum = dep.cnum;
         let cname = dep.ident;
-        log #ifmt["resolving dep %s", cname];
+        log #fmt["resolving dep %s", cname];
         if e.crate_cache.contains_key(cname) {
             log "already have it";
             // We've already seen this crate
diff --git a/src/comp/metadata/decoder.rs b/src/comp/metadata/decoder.rs
index c3365f4f57c..e99e9d274da 100644
--- a/src/comp/metadata/decoder.rs
+++ b/src/comp/metadata/decoder.rs
@@ -348,7 +348,7 @@ fn get_attributes(md: &ebml::doc) -> [ast::attribute] {
 fn list_meta_items(meta_items: &ebml::doc, out: io::writer) {
     for mi: @ast::meta_item in get_meta_items(meta_items) {
         out.write_str(
-                #ifmt["%s\n",
+                #fmt["%s\n",
                      pprust::meta_item_to_str(*mi)]);
     }
 }
@@ -358,7 +358,7 @@ fn list_crate_attributes(md: &ebml::doc, out: io::writer) {
 
     for attr: ast::attribute in get_attributes(md) {
         out.write_str(
-                #ifmt["%s\n",
+                #fmt["%s\n",
                      pprust::attribute_to_str(attr)]);
     }
 
@@ -389,7 +389,7 @@ fn list_crate_deps(data: @[u8], out: io::writer) {
 
     for dep: crate_dep in get_crate_deps(data) {
         out.write_str(
-            #ifmt["%d %s\n", dep.cnum,
+            #fmt["%d %s\n", dep.cnum,
                                  dep.ident]);
     }
 
@@ -411,7 +411,7 @@ fn list_crate_items(bytes: &@[u8], md: &ebml::doc, out: io::writer) {
             let did_doc = ebml::get_doc(def, tag_def_id);
             let did = parse_def_id(ebml::doc_data(did_doc));
             out.write_str(
-                    #ifmt["%s (%s)\n",
+                    #fmt["%s (%s)\n",
                          data.path,
                          describe_def(items, did)]);
         }
diff --git a/src/comp/metadata/encoder.rs b/src/comp/metadata/encoder.rs
index 384088c59e6..7ed760c32dc 100644
--- a/src/comp/metadata/encoder.rs
+++ b/src/comp/metadata/encoder.rs
@@ -177,7 +177,7 @@ fn encode_inlineness(ebml_w: &ebml::writer, c: u8) {
 }
 
 fn def_to_str(did: &def_id) -> istr {
-    ret #ifmt["%d:%d", did.crate, did.node];
+    ret #fmt["%d:%d", did.crate, did.node];
 }
 
 fn encode_type_param_kinds(ebml_w: &ebml::writer, tps: &[ty_param]) {
diff --git a/src/comp/middle/alias.rs b/src/comp/middle/alias.rs
index aaa97399294..7b255ab1fc6 100644
--- a/src/comp/middle/alias.rs
+++ b/src/comp/middle/alias.rs
@@ -183,7 +183,7 @@ fn check_call(cx: &ctx, f: &@ast::expr, args: &[@ast::expr], sc: &scope)
         for r in restricts {
             if !option::is_none(r.unsafe_ty) {
                 cx.tcx.sess.span_err(f.span,
-                                     #ifmt["function may alias with argument \
+                                     #fmt["function may alias with argument \
                                            %u, which is not immutably rooted",
                                            i]);
             }
@@ -200,7 +200,7 @@ fn check_call(cx: &ctx, f: &@ast::expr, args: &[@ast::expr], sc: &scope)
                 if i != j &&
                    ty_can_unsafely_include(cx, ty, arg_t.ty, mut_alias) {
                     cx.tcx.sess.span_err(args[i].span,
-                        #ifmt["argument %u may alias with argument %u, \
+                        #fmt["argument %u may alias with argument %u, \
                                which is not immutably rooted", i, j]);
                 }
                 i += 1u;
diff --git a/src/comp/middle/kind.rs b/src/comp/middle/kind.rs
index 71b21110962..744d328f0f7 100644
--- a/src/comp/middle/kind.rs
+++ b/src/comp/middle/kind.rs
@@ -114,13 +114,13 @@ fn type_and_kind(tcx: &ty::ctxt, e: &@ast::expr) ->
 fn need_expr_kind(tcx: &ty::ctxt, e: &@ast::expr, k_need: ast::kind,
                   descr: &istr) {
     let tk = type_and_kind(tcx, e);
-    log #ifmt["for %s: want %s type, got %s type %s", descr,
+    log #fmt["for %s: want %s type, got %s type %s", descr,
              kind_to_str(k_need), kind_to_str(tk.kind),
              util::ppaux::ty_to_str(tcx, tk.ty)];
 
     if !kind_lteq(k_need, tk.kind) {
         let s =
-            #ifmt["mismatched kinds for %s: needed %s type, got %s type %s",
+            #fmt["mismatched kinds for %s: needed %s type, got %s type %s",
                  descr, kind_to_str(k_need),
                  kind_to_str(tk.kind),
                  util::ppaux::ty_to_str(tcx, tk.ty)];
@@ -169,7 +169,7 @@ fn check_expr(tcx: &ty::ctxt, e: &@ast::expr) {
                 let k = ty::type_kind(tcx, t);
                 if !kind_lteq(k_need, k) {
                     let s =
-                        #ifmt["mismatched kinds for typaram %d: \
+                        #fmt["mismatched kinds for typaram %d: \
                                   needed %s type, got %s type %s",
                              i, kind_to_str(k_need), kind_to_str(k),
                              util::ppaux::ty_to_str(tcx, t)];
diff --git a/src/comp/middle/resolve.rs b/src/comp/middle/resolve.rs
index 117c10b0db7..3fcf6bde032 100644
--- a/src/comp/middle/resolve.rs
+++ b/src/comp/middle/resolve.rs
@@ -572,7 +572,7 @@ fn unresolved_fatal(e: &env, sp: &span, id: &ident, kind: &istr) -> ! {
 }
 
 fn mk_unresolved_msg(id: &ident, kind: &istr) -> istr {
-    ret #ifmt["unresolved %s: %s", kind, id];
+    ret #fmt["unresolved %s: %s", kind, id];
 }
 
 // Lookup helpers
@@ -1027,7 +1027,7 @@ fn lookup_glob_in_mod(e: &env, info: @indexed_mod, sp: &span, id: &ident,
             for match: glob_imp_def in matches {
                 let sp = match.item.span;
                 e.sess.span_note(
-                    sp, #ifmt["'%s' is imported here", id]);
+                    sp, #fmt["'%s' is imported here", id]);
             }
             e.sess.span_fatal(sp,
                               ~"'" + id
diff --git a/src/comp/middle/trans.rs b/src/comp/middle/trans.rs
index ef2695fb2ab..f756cbd3201 100644
--- a/src/comp/middle/trans.rs
+++ b/src/comp/middle/trans.rs
@@ -1886,7 +1886,7 @@ fn lazily_emit_tydesc_glue(cx: &@block_ctxt, field: int,
             alt { ti.take_glue } {
               some(_) { }
               none. {
-                log #ifmt["+++ lazily_emit_tydesc_glue TAKE %s",
+                log #fmt["+++ lazily_emit_tydesc_glue TAKE %s",
                          ty_to_str(bcx_tcx(cx), ti.ty)];
                 let lcx = cx.fcx.lcx;
                 let glue_fn =
@@ -1896,7 +1896,7 @@ fn lazily_emit_tydesc_glue(cx: &@block_ctxt, field: int,
                 make_generic_glue(lcx, cx.sp, ti.ty, glue_fn,
                                   default_helper(make_take_glue),
                                   ti.ty_params, ~"take");
-                log #ifmt["--- lazily_emit_tydesc_glue TAKE %s",
+                log #fmt["--- lazily_emit_tydesc_glue TAKE %s",
                          ty_to_str(bcx_tcx(cx), ti.ty)];
               }
             }
@@ -1904,7 +1904,7 @@ fn lazily_emit_tydesc_glue(cx: &@block_ctxt, field: int,
             alt { ti.drop_glue } {
               some(_) { }
               none. {
-                log #ifmt["+++ lazily_emit_tydesc_glue DROP %s",
+                log #fmt["+++ lazily_emit_tydesc_glue DROP %s",
                          ty_to_str(bcx_tcx(cx), ti.ty)];
                 let lcx = cx.fcx.lcx;
                 let glue_fn =
@@ -1914,7 +1914,7 @@ fn lazily_emit_tydesc_glue(cx: &@block_ctxt, field: int,
                 make_generic_glue(lcx, cx.sp, ti.ty, glue_fn,
                                   default_helper(make_drop_glue),
                                   ti.ty_params, ~"drop");
-                log #ifmt["--- lazily_emit_tydesc_glue DROP %s",
+                log #fmt["--- lazily_emit_tydesc_glue DROP %s",
                          ty_to_str(bcx_tcx(cx), ti.ty)];
               }
             }
@@ -1922,7 +1922,7 @@ fn lazily_emit_tydesc_glue(cx: &@block_ctxt, field: int,
             alt { ti.free_glue } {
               some(_) { }
               none. {
-                log #ifmt["+++ lazily_emit_tydesc_glue FREE %s",
+                log #fmt["+++ lazily_emit_tydesc_glue FREE %s",
                          ty_to_str(bcx_tcx(cx), ti.ty)];
                 let lcx = cx.fcx.lcx;
                 let glue_fn =
@@ -1932,7 +1932,7 @@ fn lazily_emit_tydesc_glue(cx: &@block_ctxt, field: int,
                 make_generic_glue(lcx, cx.sp, ti.ty, glue_fn,
                                   default_helper(make_free_glue),
                                   ti.ty_params, ~"free");
-                log #ifmt["--- lazily_emit_tydesc_glue FREE %s",
+                log #fmt["--- lazily_emit_tydesc_glue FREE %s",
                          ty_to_str(bcx_tcx(cx), ti.ty)];
               }
             }
@@ -1940,10 +1940,10 @@ fn lazily_emit_tydesc_glue(cx: &@block_ctxt, field: int,
             alt { ti.cmp_glue } {
               some(_) { }
               none. {
-                log #ifmt["+++ lazily_emit_tydesc_glue CMP %s",
+                log #fmt["+++ lazily_emit_tydesc_glue CMP %s",
                          ty_to_str(bcx_tcx(cx), ti.ty)];
                 ti.cmp_glue = some(bcx_ccx(cx).upcalls.cmp_type);
-                log #ifmt["--- lazily_emit_tydesc_glue CMP %s",
+                log #fmt["--- lazily_emit_tydesc_glue CMP %s",
                          ty_to_str(bcx_tcx(cx), ti.ty)];
               }
             }
@@ -6273,15 +6273,15 @@ fn trans_crate(sess: &session::session, crate: &@ast::crate, tcx: &ty::ctxt,
     write_metadata(cx.ccx, crate);
     if ccx.sess.get_opts().stats {
         log_err "--- trans stats ---";
-        log_err #ifmt["n_static_tydescs: %u", ccx.stats.n_static_tydescs];
-        log_err #ifmt["n_derived_tydescs: %u", ccx.stats.n_derived_tydescs];
-        log_err #ifmt["n_glues_created: %u", ccx.stats.n_glues_created];
-        log_err #ifmt["n_null_glues: %u", ccx.stats.n_null_glues];
-        log_err #ifmt["n_real_glues: %u", ccx.stats.n_real_glues];
+        log_err #fmt["n_static_tydescs: %u", ccx.stats.n_static_tydescs];
+        log_err #fmt["n_derived_tydescs: %u", ccx.stats.n_derived_tydescs];
+        log_err #fmt["n_glues_created: %u", ccx.stats.n_glues_created];
+        log_err #fmt["n_null_glues: %u", ccx.stats.n_null_glues];
+        log_err #fmt["n_real_glues: %u", ccx.stats.n_real_glues];
 
 
         for timing: {ident: istr, time: int} in *ccx.stats.fn_times {
-            log_err #ifmt["time: %s took %d ms",
+            log_err #fmt["time: %s took %d ms",
                          timing.ident, timing.time];
         }
     }
diff --git a/src/comp/middle/tstate/states.rs b/src/comp/middle/tstate/states.rs
index e6b35121ec2..1b4c14cb95a 100644
--- a/src/comp/middle/tstate/states.rs
+++ b/src/comp/middle/tstate/states.rs
@@ -171,7 +171,7 @@ fn find_pre_post_state_call(fcx: &fn_ctxt, pres: &prestate, a: &@expr,
     // FIXME: This could be a typestate constraint
     if vec::len(bs) != vec::len(ops) {
         fcx.ccx.tcx.sess.span_bug(a.span,
-                                  #ifmt["mismatched arg lengths: \
+                                  #fmt["mismatched arg lengths: \
                                         %u exprs vs. %u ops",
                                        vec::len(bs), vec::len(ops)]);
     }
diff --git a/src/comp/middle/ty.rs b/src/comp/middle/ty.rs
index 56ccb1b0dc5..0815a862b8c 100644
--- a/src/comp/middle/ty.rs
+++ b/src/comp/middle/ty.rs
@@ -2438,7 +2438,7 @@ mod unify {
             let sets = ~"";
             let j = 0u;
             while j < vec::len::<option::t<uint>>(vb.sets.nodes) {
-                if ufind::find(vb.sets, j) == i { sets += #ifmt[" %u", j]; }
+                if ufind::find(vb.sets, j) == i { sets += #fmt[" %u", j]; }
                 j += 1u;
             }
             let typespec;
@@ -2448,7 +2448,7 @@ mod unify {
                 typespec = ~" =" + ty_to_str(tcx, typ);
               }
             }
-            log_err #ifmt["set %u:%s%s", i, typespec, sets];
+            log_err #fmt["set %u:%s%s", i, typespec, sets];
             i += 1u;
         }
     }
diff --git a/src/comp/middle/typeck.rs b/src/comp/middle/typeck.rs
index 15e6301511c..2357ab1e420 100644
--- a/src/comp/middle/typeck.rs
+++ b/src/comp/middle/typeck.rs
@@ -1377,10 +1377,10 @@ fn check_pat(fcx: &@fn_ctxt, map: &ast_util::pat_id_map, pat: &@ast::pat,
                 let arg_len = vec::len::<ty::t>(arg_types);
                 if arg_len != subpats_len {
                     // TODO: note definition of tag variant
-                    // TODO (issue #448): Wrap a #ifmt string over multiple
+                    // TODO (issue #448): Wrap a #fmt string over multiple
                     // lines...
                     let s =
-                        #ifmt["this pattern has %u field%s, but the \
+                        #fmt["this pattern has %u field%s, but the \
                                        corresponding variant has %u field%s",
                              subpats_len,
                              if subpats_len == 1u { ~"" } else { ~"s" },
@@ -1400,7 +1400,7 @@ fn check_pat(fcx: &@fn_ctxt, map: &ast_util::pat_id_map, pat: &@ast::pat,
                 // TODO: note definition of tag variant
                 fcx.ccx.tcx.sess.span_fatal(
                     pat.span,
-                    #ifmt["this pattern has %u field%s, \
+                    #fmt["this pattern has %u field%s, \
                           but the corresponding \
                           variant has no fields",
                          subpats_len,
@@ -1415,7 +1415,7 @@ fn check_pat(fcx: &@fn_ctxt, map: &ast_util::pat_id_map, pat: &@ast::pat,
             // can never tell.
             fcx.ccx.tcx.sess.span_fatal(
                 pat.span,
-                #ifmt["mismatched types: expected %s, found tag",
+                #fmt["mismatched types: expected %s, found tag",
                      ty_to_str(fcx.ccx.tcx, expected)]);
           }
         }
@@ -1428,7 +1428,7 @@ fn check_pat(fcx: &@fn_ctxt, map: &ast_util::pat_id_map, pat: &@ast::pat,
           _ {
             fcx.ccx.tcx.sess.span_fatal(
                 pat.span,
-                #ifmt["mismatched types: expected %s, found record",
+                #fmt["mismatched types: expected %s, found record",
                      ty_to_str(fcx.ccx.tcx, expected)]);
           }
         }
@@ -1437,7 +1437,7 @@ fn check_pat(fcx: &@fn_ctxt, map: &ast_util::pat_id_map, pat: &@ast::pat,
         if ex_f_count < f_count || !etc && ex_f_count > f_count {
             fcx.ccx.tcx.sess.span_fatal(
                 pat.span,
-                #ifmt["mismatched types: expected a record \
+                #fmt["mismatched types: expected a record \
                       with %u fields, found one with %u \
                       fields",
                      ex_f_count, f_count]);
@@ -1450,7 +1450,7 @@ fn check_pat(fcx: &@fn_ctxt, map: &ast_util::pat_id_map, pat: &@ast::pat,
               some(field) { check_pat(fcx, map, f.pat, field.mt.ty); }
               none. {
                 fcx.ccx.tcx.sess.span_fatal(pat.span,
-                                            #ifmt["mismatched types: did not \
+                                            #fmt["mismatched types: did not \
                                              expect a record with a field %s",
                                                  f.ident]);
               }
@@ -1465,7 +1465,7 @@ fn check_pat(fcx: &@fn_ctxt, map: &ast_util::pat_id_map, pat: &@ast::pat,
           _ {
             fcx.ccx.tcx.sess.span_fatal(
                 pat.span,
-                #ifmt["mismatched types: expected %s, found tuple",
+                #fmt["mismatched types: expected %s, found tuple",
                      ty_to_str(fcx.ccx.tcx, expected)]);
           }
         }
@@ -1473,7 +1473,7 @@ fn check_pat(fcx: &@fn_ctxt, map: &ast_util::pat_id_map, pat: &@ast::pat,
         if e_count != vec::len(ex_elts) {
             fcx.ccx.tcx.sess.span_fatal(
                 pat.span,
-                #ifmt["mismatched types: expected a tuple \
+                #fmt["mismatched types: expected a tuple \
                       with %u fields, found one with %u \
                       fields",
                      vec::len(ex_elts), e_count]);
@@ -1606,7 +1606,7 @@ fn check_expr_with_unifier(fcx: &@fn_ctxt, expr: &@ast::expr, unify: &unifier,
         if expected_arg_count != supplied_arg_count {
             fcx.ccx.tcx.sess.span_err(
                 sp,
-                #ifmt["this function takes %u \
+                #fmt["this function takes %u \
                       parameter%s but %u parameter%s supplied",
                       expected_arg_count,
                       if expected_arg_count == 1u {
@@ -1828,7 +1828,7 @@ fn check_expr_with_unifier(fcx: &@fn_ctxt, expr: &@ast::expr, unify: &unifier,
                    structure_of(fcx, oper.span, oper_t) != ty::ty_bool {
                 tcx.sess.span_err(
                     expr.span,
-                    #ifmt["mismatched types: expected bool \
+                    #fmt["mismatched types: expected bool \
                           or integer but found %s",
                          ty_to_str(tcx, oper_t)]);
             }
@@ -2274,7 +2274,7 @@ fn check_expr_with_unifier(fcx: &@fn_ctxt, expr: &@ast::expr, unify: &unifier,
           _ {
             let t_err = resolve_type_vars_if_possible(fcx, base_t);
             let msg =
-                #ifmt["attempted field access on type %s",
+                #fmt["attempted field access on type %s",
                      ty_to_str(tcx, t_err)];
             tcx.sess.span_fatal(expr.span, msg);
           }
diff --git a/src/comp/syntax/codemap.rs b/src/comp/syntax/codemap.rs
index c56ccc21921..42120906b78 100644
--- a/src/comp/syntax/codemap.rs
+++ b/src/comp/syntax/codemap.rs
@@ -80,7 +80,7 @@ fn span_to_str(sp: &span, cm: &codemap) -> istr {
         let lo = lookup_char_pos(cm, cur.lo);
         let hi = lookup_char_pos(cm, cur.hi);
         res +=
-            #ifmt["%s:%u:%u: %u:%u",
+            #fmt["%s:%u:%u: %u:%u",
                  if some(lo.filename) == prev_file {
                      ~"-"
                  } else {
@@ -114,9 +114,9 @@ fn emit_diagnostic(sp: &option::t<span>, msg: &istr, kind: &istr, color: u8,
     if term::color_supported() {
         term::fg(io::stdout().get_buf_writer(), color);
     }
-    io::stdout().write_str(#ifmt[~"%s:", kind]);
+    io::stdout().write_str(#fmt[~"%s:", kind]);
     if term::color_supported() { term::reset(io::stdout().get_buf_writer()); }
-    io::stdout().write_str(#ifmt[~" %s\n", msg]);
+    io::stdout().write_str(#fmt[~" %s\n", msg]);
 
     maybe_highlight_lines(sp, cm, maybe_lines);
 }
@@ -146,14 +146,14 @@ fn maybe_highlight_lines(sp: &option::t<span>, cm: &codemap,
         // Print the offending lines
         for line: uint in display_lines {
             io::stdout().write_str(
-                #ifmt[~"%s:%u ", fm.name, line + 1u]);
+                #fmt[~"%s:%u ", fm.name, line + 1u]);
             let s = get_line(fm, line as int, file);
             if !str::ends_with(s, ~"\n") { s += ~"\n"; }
             io::stdout().write_str(s);
         }
         if elided {
             let last_line = display_lines[vec::len(display_lines) - 1u];
-            let s = #ifmt[~"%s:%u ", fm.name, last_line + 1u];
+            let s = #fmt[~"%s:%u ", fm.name, last_line + 1u];
             let indent = str::char_len(s);
             let out = ~"";
             while indent > 0u { out += ~" "; indent -= 1u; }
diff --git a/src/comp/syntax/ext/expand.rs b/src/comp/syntax/ext/expand.rs
index ad58a617f45..c2a3a201126 100644
--- a/src/comp/syntax/ext/expand.rs
+++ b/src/comp/syntax/ext/expand.rs
@@ -27,7 +27,7 @@ fn expand_expr(exts: &hashmap<istr, syntax_extension>, cx: &ext_ctxt,
                 alt exts.find(extname) {
                   none. {
                     cx.span_fatal(pth.span,
-                                  #ifmt["macro undefined: '%s'",
+                                  #fmt["macro undefined: '%s'",
                                        extname])
                   }
                   some(normal(ext)) {
diff --git a/src/comp/syntax/ext/fmt.rs b/src/comp/syntax/ext/fmt.rs
index 5e07c812236..abc73dc7c41 100644
--- a/src/comp/syntax/ext/fmt.rs
+++ b/src/comp/syntax/ext/fmt.rs
@@ -345,7 +345,7 @@ fn pieces_to_expr(cx: &ext_ctxt, sp: span, pieces: &[piece],
     if expected_nargs < nargs {
         cx.span_fatal(
             sp,
-            #ifmt["too many arguments to #fmt. found %u, expected %u",
+            #fmt["too many arguments to #fmt. found %u, expected %u",
                  nargs, expected_nargs]);
     }
     ret tmp_expr;
diff --git a/src/comp/syntax/ext/simplext.rs b/src/comp/syntax/ext/simplext.rs
index 2df629d3f8c..3496791ce6e 100644
--- a/src/comp/syntax/ext/simplext.rs
+++ b/src/comp/syntax/ext/simplext.rs
@@ -309,9 +309,9 @@ fn transcribe_exprs(cx: &ext_ctxt, b: &bindings, idx_path: @mutable [uint],
                         let len = vec::len(*ms);
                         if old_len != len {
                             let msg =
-                                #ifmt["'%s' occurs %u times, but ",
+                                #fmt["'%s' occurs %u times, but ",
                                      fv, len] +
-                                    #ifmt["'%s' occurs %u times",
+                                    #fmt["'%s' occurs %u times",
                                          old_name,
                                          old_len];
                             cx.span_fatal(
diff --git a/src/comp/syntax/parse/lexer.rs b/src/comp/syntax/parse/lexer.rs
index 57720422306..e479377f3d7 100644
--- a/src/comp/syntax/parse/lexer.rs
+++ b/src/comp/syntax/parse/lexer.rs
@@ -325,7 +325,7 @@ fn scan_numeric_escape(rdr: &reader, n_hex_digits: uint) -> char {
         rdr.bump();
         if !is_hex_digit(n) {
             rdr.err(
-                    #ifmt["illegal numeric character escape: %d", n as int]);
+                    #fmt["illegal numeric character escape: %d", n as int]);
             fail;
         }
         accum_int *= 16;
@@ -469,7 +469,7 @@ fn next_token_inner(rdr: &reader) -> token::token {
               'U' { c2 = scan_numeric_escape(rdr, 8u); }
               c2 {
                 rdr.err(
-                    #ifmt["unknown character escape: %d",
+                    #fmt["unknown character escape: %d",
                                          c2 as int]);
                 fail;
               }
@@ -510,7 +510,7 @@ fn next_token_inner(rdr: &reader) -> token::token {
                   }
                   c2 {
                     rdr.err(
-                        #ifmt["unknown string escape: %d",
+                        #fmt["unknown string escape: %d",
                                              c2 as int]);
                     fail;
                   }
@@ -551,7 +551,7 @@ fn next_token_inner(rdr: &reader) -> token::token {
       '%' { ret binop(rdr, token::PERCENT); }
       c {
         rdr.err(
-            #ifmt["unkown start of token: %d", c as int]);
+            #fmt["unkown start of token: %d", c as int]);
         fail;
       }
     }
@@ -652,7 +652,7 @@ fn read_block_comment(rdr: &reader, code_to_the_left: bool) -> cmnt {
     let curr_line = ~"/*";
     let level: int = 1;
     while level > 0 {
-        log #ifmt["=== block comment level %d", level];
+        log #fmt["=== block comment level %d", level];
         if rdr.is_eof() { rdr.err(~"unterminated block comment"); fail; }
         if rdr.curr() == '\n' {
             trim_whitespace_prefix_and_push_line(lines, curr_line, col);
diff --git a/src/comp/syntax/print/pp.rs b/src/comp/syntax/print/pp.rs
index 39e5b59eb61..ef92672435a 100644
--- a/src/comp/syntax/print/pp.rs
+++ b/src/comp/syntax/print/pp.rs
@@ -66,7 +66,7 @@ tag token { STRING(istr, int); BREAK(break_t); BEGIN(begin_t); END; EOF; }
 fn tok_str(t: token) -> istr {
     alt t {
       STRING(s, len) {
-        ret #ifmt[~"STR(%s,%d)", s, len];
+        ret #fmt[~"STR(%s,%d)", s, len];
       }
       BREAK(_) { ret ~"BREAK"; }
       BEGIN(_) { ret ~"BEGIN"; }
@@ -85,7 +85,7 @@ fn buf_str(toks: &[mutable token], szs: &[mutable int], left: uint,
     while i != right && L != 0u {
         L -= 1u;
         if i != left { s += ~", "; }
-        s += #ifmt[~"%d=%s", szs[i], tok_str(toks[i])];
+        s += #fmt[~"%d=%s", szs[i], tok_str(toks[i])];
         i += 1u;
         i %= n;
     }
@@ -104,7 +104,7 @@ fn mk_printer(out: io::writer, linewidth: uint) -> printer {
     // fall behind.
 
     let n: uint = 3u * linewidth;
-    log #ifmt[~"mk_printer %u", linewidth];
+    log #fmt[~"mk_printer %u", linewidth];
     let token: [mutable token] = vec::init_elt_mut(EOF, n);
     let size: [mutable int] = vec::init_elt_mut(0, n);
     let scan_stack: [mutable uint] = vec::init_elt_mut(0u, n);
@@ -244,7 +244,7 @@ obj printer(out: io::writer,
     fn replace_last_token(t: token) { token[right] = t; }
 
     fn pretty_print(t: token) {
-        log #ifmt[~"pp [%u,%u]", left, right];
+        log #fmt[~"pp [%u,%u]", left, right];
         alt t {
           EOF. {
             if !scan_stack_empty {
@@ -260,17 +260,17 @@ obj printer(out: io::writer,
                 left = 0u;
                 right = 0u;
             } else { self.advance_right(); }
-            log #ifmt[~"pp BEGIN/buffer [%u,%u]", left, right];
+            log #fmt[~"pp BEGIN/buffer [%u,%u]", left, right];
             token[right] = t;
             size[right] = -right_total;
             self.scan_push(right);
           }
           END. {
             if scan_stack_empty {
-                log #ifmt[~"pp END/print [%u,%u]", left, right];
+                log #fmt[~"pp END/print [%u,%u]", left, right];
                 self.print(t, 0);
             } else {
-                log #ifmt[~"pp END/buffer [%u,%u]", left, right];
+                log #fmt[~"pp END/buffer [%u,%u]", left, right];
                 self.advance_right();
                 token[right] = t;
                 size[right] = -1;
@@ -284,7 +284,7 @@ obj printer(out: io::writer,
                 left = 0u;
                 right = 0u;
             } else { self.advance_right(); }
-            log #ifmt[~"pp BREAK/buffer [%u,%u]", left, right];
+            log #fmt[~"pp BREAK/buffer [%u,%u]", left, right];
             self.check_stack(0);
             self.scan_push(right);
             token[right] = t;
@@ -293,10 +293,10 @@ obj printer(out: io::writer,
           }
           STRING(s, len) {
             if scan_stack_empty {
-                log #ifmt[~"pp STRING/print [%u,%u]", left, right];
+                log #fmt[~"pp STRING/print [%u,%u]", left, right];
                 self.print(t, len);
             } else {
-                log #ifmt[~"pp STRING/buffer [%u,%u]", left, right];
+                log #fmt[~"pp STRING/buffer [%u,%u]", left, right];
                 self.advance_right();
                 token[right] = t;
                 size[right] = len;
@@ -307,14 +307,14 @@ obj printer(out: io::writer,
         }
     }
     fn check_stream() {
-        log #ifmt[~"check_stream [%u, %u] with left_total=%d, right_total=%d",
+        log #fmt[~"check_stream [%u, %u] with left_total=%d, right_total=%d",
                  left, right, left_total, right_total];
         if right_total - left_total > space {
-            log #ifmt[~"scan window is %d, longer than space on line (%d)",
+            log #fmt[~"scan window is %d, longer than space on line (%d)",
                      right_total - left_total, space];
             if !scan_stack_empty {
                 if left == scan_stack[bottom] {
-                    log #ifmt["setting %u to infinity and popping", left];
+                    log #fmt["setting %u to infinity and popping", left];
                     size[self.scan_pop_bottom()] = size_infinity;
                 }
             }
@@ -323,7 +323,7 @@ obj printer(out: io::writer,
         }
     }
     fn scan_push(x: uint) {
-        log #ifmt["scan_push %u", x];
+        log #fmt["scan_push %u", x];
         if scan_stack_empty {
             scan_stack_empty = false;
         } else { top += 1u; top %= buf_len; assert (top != bottom); }
@@ -352,7 +352,7 @@ obj printer(out: io::writer,
         assert (right != left);
     }
     fn advance_left(x: token, L: int) {
-        log #ifmt["advnce_left [%u,%u], sizeof(%u)=%d", left, right, left, L];
+        log #fmt["advnce_left [%u,%u], sizeof(%u)=%d", left, right, left, L];
         if L >= 0 {
             self.print(x, L);
             alt x {
@@ -391,13 +391,13 @@ obj printer(out: io::writer,
         }
     }
     fn print_newline(amount: int) {
-        log #ifmt["NEWLINE %d", amount];
+        log #fmt["NEWLINE %d", amount];
         out.write_str(~"\n");
         pending_indentation = 0;
         self.indent(amount);
     }
     fn indent(amount: int) {
-        log #ifmt["INDENT %d", amount];
+        log #fmt["INDENT %d", amount];
         pending_indentation += amount;
     }
     fn top() -> print_stack_elt {
@@ -414,7 +414,7 @@ obj printer(out: io::writer,
         out.write_str(s);
     }
     fn print(x: token, L: int) {
-        log #ifmt["print %s %d (remaining line space=%d)",
+        log #fmt["print %s %d (remaining line space=%d)",
                  tok_str(x), L,
                  space];
         log buf_str(token, size, left, right, 6u);
@@ -422,7 +422,7 @@ obj printer(out: io::writer,
           BEGIN(b) {
             if L > space {
                 let col = margin - space + b.offset;
-                log #ifmt["print BEGIN -> push broken block at col %d", col];
+                log #fmt["print BEGIN -> push broken block at col %d", col];
                 print_stack += [{offset: col, pbreak: broken(b.breaks)}];
             } else {
                 log "print BEGIN -> push fitting block";
diff --git a/src/comp/syntax/untyped_ast.rs b/src/comp/syntax/untyped_ast.rs
index c1db95b2aaf..124a1e947f1 100644
--- a/src/comp/syntax/untyped_ast.rs
+++ b/src/comp/syntax/untyped_ast.rs
@@ -362,7 +362,7 @@ fn dummy() {
          alt *elts.(idx) {
            leaf_destructure(x) { x }
            _ {
-             ctx.ff(sp, #ifmt["expected %s in position %u",
+             ctx.ff(sp, #fmt["expected %s in position %u",
                              #ident_to_str[leaf_destructure], idx])
            }
          }],