[lmi-commits] [lmi] master 22b4662 2/3: Show "special" characters in vim

[Greg Chicares]

branch: master
commit 22b4662183ea726902f039bd860f897c3497ba4c
Author: Gregory W. Chicares <address@hidden>
Commit: Gregory W. Chicares <address@hidden>

    Show "special" characters in vim
---
 README.schroot        | 12 ++++++++++++
 test_coding_rules.cpp |  8 +++++++-
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/README.schroot b/README.schroot
index b1ed6e9..722e842 100644
--- a/README.schroot
+++ b/README.schroot
@@ -235,6 +235,18 @@ highlight TabLineSel                 ctermbg=239 
ctermfg=202
 " From tpope's 'sensible.vim':
 set tabpagemax=50
 
+" Show invisibles: 'eol' and 'tab' are meant to be unobtrusive,
+" while 'nbsp' and 'trail' are meant to stand out; 'extends' and
+" 'precedes' normally wouldn't be seen because of 'set wrap'.
+set list
+" On second thought, 'eol' should probably be left alone.
+" set listchars=nbsp:◙,eol:☜,tab:☞☞,extends:»,precedes:«,trail:▒
+set listchars=nbsp:◙,tab:☞☞,extends:»,precedes:«,trail:▒
+highlight clear NonText
+highlight NonText    ctermfg=gray " eol, extends, precedes
+highlight clear SpecialKey
+highlight SpecialKey ctermfg=red  " nbsp, tab, trail
+
 let g:netrw_liststyle=3
 map <Tab> <C-W>w
 
diff --git a/test_coding_rules.cpp b/test_coding_rules.cpp
index f4bb695..5c1c11e 100644
--- a/test_coding_rules.cpp
+++ b/test_coding_rules.cpp
@@ -298,10 +298,16 @@ void taboo
 /// Throw if the file contains a character outside the union of
 /// ISO-8859-15 and the minimal POSIX whitespace set " \f\n\r\t\v".
 ///
-/// To locate violations: "grep -P '[\x00-\x08\x0e-\x1f\x7f-\x9f]'".
+/// To locate violations:
+///   LC_ALL=C grep -P '[\x00-\x08\x0e-\x1f\x7f-\x9f]' list-of-files
 
 void assay_non_latin(file const& f)
 {
+    if(f.phyloanalyze("^README.schroot$"))
+        {
+        return;
+        }
+
     static boost::regex const forbidden(R"([\x00-\x08\x0e-\x1f\x7f-\x9f])");
     if(boost::regex_search(f.data(), forbidden))
         {