Added javascript ctags patterns and a rake task to install them

Darrick Wiebe · Darrick Wiebe · commit cf76032a4f98 · 2009-09-01T14:26:58.000-04:00
diff --git a/Rakefile b/Rakefile
@@ -1,7 +1,10 @@
 require 'rake'
+require 'rake/clean'
 
 files = ['syntax/javascript.vim', 'indent/javascript.vim']
 
+CLEAN.include 'tmp/*_ctags'
+
 desc "Make zip file"
 file 'javascript.zip' => files do |t|
   File.unlink t.name if File.exists?(t.name)
@@ -47,6 +50,40 @@ task :install do
   end
 end
 
+desc "Copy ~/.ctags to tmp/original_ctags"
+task :get_original_ctags do
+  if File.exists?(File.expand_path("~/.ctags"))
+    File.unlink('tmp/original_ctags') if File.exists?('tmp/original_ctags')
+    FileUtils.cp(File.expand_path("~/.ctags"), 'tmp/original_ctags')
+  elsif not File.exists?("tmp/original_ctags")
+    File.open("tmp/original_ctags", "w") { }
+  end
+end
+
+desc "Combine tmp/original_ctags and extras/ctags"
+file 'tmp/combined_ctags' => ['tmp/original_ctags', 'extras/ctags'] do |t|
+  begin_string = '# Begin vim-javascript generated section'
+  end_string = '# End vim-javascript generated section'
+  File.unlink t.name if File.exists?(t.name)
+  File.open(t.name,"w") do |out|
+    orig = File.read('tmp/original_ctags')
+    orig.each_line.inject(true) do |can_print, line|
+      can_print = false if line.chomp == begin_string
+      out.puts line if can_print
+      can_print or line.chomp == end_string
+    end
+    out.puts begin_string
+    out.puts "# generated at #{ Time.now }"
+    out.puts File.read('extras/ctags')
+    out.puts end_string
+  end
+end
+
+desc "Add better javascript support to ctags"
+task :ctags => [:get_original_ctags, 'tmp/combined_ctags'] do
+  FileUtils.cp('tmp/combined_ctags', File.expand_path('~/.ctags'))
+end
+
 task 'zip' => 'javascript.zip'
 task 'vimball' => 'javascript.vba'
 task :default => [:zip, :vimball]
diff --git a/extras/ctags b/extras/ctags
@@ -0,0 +1,8 @@
+--langdef=js
+--langmap=js:.js
+--regex-js=/([A-Za-z0-9._$]+)[ \t]*[:=][ \t]*\{/\1/,object/
+--regex-js=/([A-Za-z0-9._$()]+)[ \t]*[:=][ \t]*function[ \t]*\(/\1/,function/
+--regex-js=/function[ \t]+([A-Za-z0-9._$]+)[ \t]*([^)])/\1/,function/
+--regex-js=/([A-Za-z0-9._$]+)[ \t]*[:=][ \t]*\[/\1/,array/
+--regex-js=/([^= ]+)[ \t]*=[ \t]*[^"]'[^']*/\1/,string/
+--regex-js=/([^= ]+)[ \t]*=[ \t]*[^']"[^"]*/\1/,string/
diff --git a/tmp/.keep b/tmp/.keep
