From 6c45b1d1e2859e3a0ac5eefc8b611bfc78c09655 Mon Sep 17 00:00:00 2001
From: Maxime Coste <frrrwww@gmail.com>
Date: Mon, 1 Dec 2014 13:52:24 +0000
Subject: [PATCH] Try to unify objective c and cpp in a c-family.kak file

---
 rc/{cpp.kak => c-family.kak} | 81 ++++++++++++++++++++++--------------
 1 file changed, 50 insertions(+), 31 deletions(-)
 rename rc/{cpp.kak => c-family.kak} (58%)

diff --git a/rc/cpp.kak b/rc/c-family.kak
similarity index 58%
rename from rc/cpp.kak
rename to rc/c-family.kak
index be6c807c..7b2b2ecb 100644
--- a/rc/cpp.kak
+++ b/rc/c-family.kak
@@ -6,7 +6,11 @@ hook global BufSetOption mimetype=text/x-c(\+\+)? %{
     set buffer filetype cpp
 }
 
-def -hidden _cpp_indent_on_new_line %~
+hook global BufCreate .*\.m %{
+    set buffer filetype objc
+}
+
+def -hidden _c-family-indent-on-new-line %~
     eval -draft -itersel %_
         # preserve previous line indent
         try %{ exec -draft \;K<a-&> }
@@ -27,71 +31,86 @@ def -hidden _cpp_indent_on_new_line %~
     _
 ~
 
-def -hidden _cpp_indent_on_opening_curly_brace %[
+def -hidden _c-family-indent-on-opening-curly-brace %[
     # align indent with opening paren when { is entered on a new line after the closing paren
     try %[ exec -draft -itersel h<a-F>)M <a-k> \`\(.*\)\h*\n\h*\{\' <ret> s \`|.\' <ret> 1<a-&> ]
 ]
 
-def -hidden _cpp_indent_on_closing_curly_brace %[
+def -hidden _c-family-indent-on-closing-curly-brace %[
     # align to opening curly brace when alone on a line
     try %[ exec -itersel -draft <a-h><a-k>^\h+\}$<ret>hms\`|.\'<ret>1<a-&> ]
     # add ; after } if class or struct definition
     try %[ exec -draft "hm;<a-?>(class|struct|union)<ret><a-k>\`(class|struct|union)[^{}\n]+(\n)?\s*\{\'<ret><a-;>ma;<esc>" ]
 ]
 
-addhl -group / regions -default code cpp \
-    string %{(?<!')"} %{(?<!\\)(\\\\)*"} '' \
-    comment /\* \*/ '' \
-    comment // $ '' \
-    disabled ^\h*?#\h*if\h+(0|FALSE)\b '#\h*(else|elif|endif)' '#\h*if(def)?' \
-    macro ^\h*?\K# (?<!\\)\n ''
+# Regions definition are the same between c++ and objective-c
+%sh{
+    for ft in cpp objc; do
+        echo '
+            addhl -group / regions -default code FT \
+                string %{(?<!'\'')"} %{(?<!\\)(\\\\)*\"} "" \
+                comment /\* \*/ "" \
+                comment // $ "" \
+                disabled ^\h*?#\h*if\h+(0|FALSE)\b "#\h*(else|elif|endif)" "#\h*if(def)?" \
+                macro ^\h*?\K# %{(?<!\\)\n} ""
 
-addhl -group /cpp/string fill string
-addhl -group /cpp/comment fill comment
-addhl -group /cpp/disabled fill rgb:666666
-addhl -group /cpp/macro fill meta
+            addhl -group /FT/string fill string
+            addhl -group /FT/comment fill comment
+            addhl -group /FT/disabled fill rgb:666666
+            addhl -group /FT/macro fill meta' | sed -e "s/FT/${ft}/g" 
+    done
+}
 
+# c++ specific
 addhl -group /cpp/code regex %{\<(this|true|false|NULL|nullptr|)\>|\<-?\d+[fdiu]?|'((\\.)?|[^'\\])'} 0:value
 addhl -group /cpp/code regex "\<(void|int|char|unsigned|float|bool|size_t)\>" 0:type
 addhl -group /cpp/code regex "\<(while|for|if|else|do|switch|case|default|goto|break|continue|return|using|try|catch|throw|new|delete|and|or|not|operator|explicit|(?:reinterpret|const|static|dynamic)_cast)\>" 0:keyword
 addhl -group /cpp/code regex "\<(const|constexpr|mutable|auto|namespace|inline|static|volatile|class|struct|enum|union|public|protected|private|template|typedef|virtual|friend|extern|typename|override|final)\>" 0:attribute
 
-hook global WinSetOption filetype=cpp %[
-    addhl ref cpp
+# objective-c specific
+addhl -group /objc/code regex %{\<(self|nil|id|super|TRUE|FALSE|YES|NO|NULL)\>|\<-?\d+[fdiu]?|'((\\.)?|[^'\\])'} 0:value
+addhl -group /objc/code regex "\<(void|int|char|unsigned|float|bool|size_t|instancetype|BOOL|NSInteger|NSUInteger|CGFloat|NSString)\>" 0:type
+addhl -group /objc/code regex "\<(while|for|if|else|do|switch|case|default|goto|break|continue|return)\>" 0:keyword
+addhl -group /objc/code regex "\<(const|auto|inline|static|volatile|struct|enum|union|typedef|extern|__block|@\w+)\>" 0:attribute
 
+hook global WinSetOption filetype=(cpp|objc) %[
     # cleanup trailing whitespaces when exiting insert mode
-    hook window InsertEnd .* -group cpp-hooks %{ try %{ exec -draft <a-x>s\h+$<ret>d } }
+    hook window InsertEnd .* -group c-family-hooks %{ try %{ exec -draft <a-x>s\h+$<ret>d } }
 
-    hook window InsertChar \n -group cpp-indent _cpp_indent_on_new_line
-    hook window InsertChar \{ -group cpp-indent _cpp_indent_on_opening_curly_brace
-    hook window InsertChar \} -group cpp-indent _cpp_indent_on_closing_curly_brace
+    hook window InsertChar \n -group c-family-indent _c-family-indent-on-new-line
+    hook window InsertChar \{ -group c-family-indent _c-family-indent-on-opening-curly-brace
+    hook window InsertChar \} -group c-family-indent _c-family-indent-on-closing-curly-brace
 
-    alias window alt cpp-alternative-file
+    alias window alt c-family-alternative-file
 ]
 
-hook global WinSetOption filetype=(?!cpp).* %{
-    rmhl cpp
-    rmhooks window cpp-indent
-    rmhooks window cpp-hooks
+hook global WinSetOption filetype=(?!cpp|objc).* %[
+    rmhooks window c-family-indent
+    rmhooks window c-family-hooks
+    unalias window alt c-family-alternative-file
+]
 
-    unalias window alt cpp-alternative-file
-}
+hook global WinSetOption filetype=cpp %[ addhl ref cpp ]
+hook global WinSetOption filetype=(?!cpp).* %[ rmhl cpp ]
 
-def -hidden _cpp_insert_include_guards %{
+hook global WinSetOption filetype=objc %[ addhl ref objc ]
+hook global WinSetOption filetype=(?!objc).* %[ rmhl objc ]
+
+def -hidden _c-family-insert-include-guards %{
     exec ggi<c-r>%<ret><esc>ggxs\.<ret>c_<esc><space>A_INCLUDED<esc>ggxyppI#ifndef<space><esc>jI#define<space><esc>jI#endif<space>//<space><esc>O<esc>
 }
 
-hook global BufNew .*\.(h|hh|hpp|hxx|H) _cpp_insert_include_guards
+hook global BufNew .*\.(h|hh|hpp|hxx|H) _c-family-insert-include-guards
 
 decl str-list alt_dirs ".;.."
 
-def cpp-alternative-file -docstring "Jump to the alternate file (header/implementation)" %{ %sh{
+def c-family-alternative-file -docstring "Jump to the alternate file (header/implementation)" %{ %sh{
     alt_dirs=$(echo ${kak_opt_alt_dirs} | sed -e 's/;/ /g')
     file=$(basename ${kak_buffile})
     dir=$(dirname ${kak_buffile})
 
     case ${file} in
-        *.c|*.cc|*.cpp|*.cxx|*.C|*.inl)
+        *.c|*.cc|*.cpp|*.cxx|*.C|*.inl|*.m)
             for alt_dir in ${alt_dirs}; do
                 for ext in h hh hpp hxx H; do
                     altname="${dir}/${alt_dir}/${file%.*}.${ext}"
@@ -102,7 +121,7 @@ def cpp-alternative-file -docstring "Jump to the alternate file (header/implemen
         ;;
         *.h|*.hh|*.hpp|*.hxx|*.H)
             for alt_dir in ${alt_dirs}; do
-                for ext in c cc cpp cxx C; do
+                for ext in c cc cpp cxx C m; do
                     altname="${dir}/${alt_dir}/${file%.*}.${ext}"
                     [ -f ${altname} ] && break
                 done