Make search term explicit

lib/linguist/language.rb

@@ -7,7 +7,6 @@ module Linguist
     @languages       = []
     @name_index      = {}
     @alias_index     = {}
-    @lexer_index     = {}
     @extension_index = {}
 
     # Internal: Create a new Language object
@@ -37,17 +36,6 @@ module Linguist
         @alias_index[name] = language
       end
 
-
-      # Set langauge as the default for reverse lexer lookup if
-      # :default_lexer is set or the language is the same name as its
-      # lexer.
-      if attributes[:default_lexer] || language.default_lexer?
-        @lexer_index[language.lexer_name.downcase] = language
-      end
-
-      # Case-insensitive lexer name index
-      @lexer_index[language.lexer_name.downcase] ||= language
-
       language.extensions.each do |extension|
         # All Language extensions should be unique. Warn if there is a
         # duplicate.
@@ -165,11 +153,11 @@ module Linguist
       # Set aliases
       @aliases = [default_alias_name] + (attributes[:aliases] || [])
 
-      # Use :lexer_name or fallback to `@name.downcase`
-      @lexer_name = attributes[:lexer_name] || default_alias_name
-
       # Lookup Lexer object
-      @lexer = Lexer.find_by_alias(@lexer_name)
+      @lexer = Lexer.find_by_alias(attributes[:lexer] || default_alias_name)
+
+      # Set legacy search term
+      @search_term = attributes[:search_term] || default_alias_name
 
       # Set extensions or default to [].
       # Consider using `@lexer.extensions`
@@ -201,7 +189,7 @@ module Linguist
     # Returns an Array of String names
     attr_reader :aliases
 
-    # Deprecated: Get lexer name
+    # Deprecated: Get code search term
     #
     # Examples
     #
@@ -210,7 +198,7 @@ module Linguist
     #   # => "perl"
     #
     # Returns the name String
-    attr_reader :lexer_name
+    attr_reader :search_term
 
     # Public: Get Lexer
     #
@@ -233,17 +221,6 @@ module Linguist
       name.downcase.gsub(/\s/, '-')
     end
 
-    # Internal: Is the language using the default lexer
-    #
-    # Returns true or false
-    def default_lexer?
-      lexer_name == default_alias_name
-    end
-
-    def search_term
-      lexer_name
-    end
-
     # Public: Is it popular?
     #
     # Returns true or false
@@ -309,8 +286,8 @@ module Linguist
     Language.create(
       :name        => name,
       :aliases     => options[:aliases],
-      :lexer_name => options[:lexer],
+      :lexer       => options[:lexer],
-      :default_lexer => options[:default_lexer],
+      :search_term => options[:search_term],
       :extensions  => options[:ext],
       :popular     => popular.include?(name),
       :common      => common.include?(name)

lib/linguist/languages.yml

@@ -1,11 +1,15 @@
 # Defines all Lanaguges known to GitHub
 #
 # lexer       - An explicit lexer String (defaults to name.downcase)
-# aliases - An Array of additional aliases (implicitly includes name.downcase)
+# aliases     - An Array of additional aliases (implicitly
+#               includes name.downcase)
 # ext         - An Array of associated extensions
+# search_term - Deprecated: Some langauges maybe indexed under a
+#               different alias. Avoid defining new exceptions.
 
 ASP:
   :lexer: aspx-vb
+  :search_term: aspx-vb
   :aliases:
   - aspx
   - aspx-vb
@@ -19,6 +23,7 @@ ASP:
   - .asp
 ActionScript:
   :lexer: as3
+  :search_term: as3
   :aliases:
   - as3
   :ext:
@@ -35,12 +40,14 @@ Arc:
   - .arc
 Assembly:
   :lexer: nasm
+  :search_term: nasm
   :aliases:
   - nasm
   :ext:
   - .asm
 Batchfile:
   :lexer: bat
+  :search_term: bat
   :aliases:
   - bat
   :ext:
@@ -65,12 +72,14 @@ C:
   - .h
 C#:
   :lexer: csharp
+  :search_term: csharp
   :aliases:
   - csharp
   :ext:
   - .cs
 C++:
   :lexer: cpp
+  :search_term: cpp
   :aliases:
   - cpp
   :ext:
@@ -88,6 +97,7 @@ CSS:
   - .css
 ChucK:
   :lexer: java
+  :search_term: java
   :ext:
   - .ck
 Clojure:
@@ -99,6 +109,7 @@ CoffeeScript:
   - Cakefile
 ColdFusion:
   :lexer: cfm
+  :search_term: cfm
   :aliases:
   - cfm
   :ext:
@@ -125,6 +136,7 @@ D:
   - .di
 Darcs Patch:
   :lexer: dpatch
+  :search_term: dpatch
   :aliases:
   - dpatch
   :ext:
@@ -148,6 +160,7 @@ Eiffel:
   - .e
 Emacs Lisp:
   :lexer: scheme
+  :search_term: scheme
   :aliases:
   - elisp
   :ext:
@@ -159,6 +172,7 @@ Erlang:
   - .erl
 F#:
   :lexer: ocaml
+  :search_term: ocaml
   :ext:
   - .fs
   - .fsi
@@ -181,14 +195,17 @@ Genshi:
   - .kid
 Gentoo Ebuild:
   :lexer: bash
+  :search_term: bash
   :ext:
   - .ebuild
 Gentoo Eclass:
   :lexer: bash
+  :search_term: bash
   :ext:
   - .eclass
 Gettext Catalog:
   :lexer: pot
+  :search_term: pot
   :aliases:
   - pot
   :ext:
@@ -236,6 +253,7 @@ INI:
   - .properties
 IRC log:
   :lexer: irc
+  :search_term: irc
   :aliases:
   - irc
   :ext:
@@ -249,6 +267,7 @@ Java:
   - .pde
 Groovy:
   :lexer: java
+  :search_term: java
   :ext:
   - .groovy
 JavaScript:
@@ -264,10 +283,12 @@ JavaScript:
   - .jake
 JSON:
   :lexer: javascript
+  :search_term: javascript
   :ext:
   - .json
 Literate Haskell:
   :lexer: lhs
+  :search_term: lhs
   :aliases:
   - lhs
   :ext:
@@ -301,6 +322,7 @@ Max/MSP:
   - .mxt
 Mirah:
   :lexer: ruby
+  :search_term: ruby
   :ext:
   - .duby
   - .mir
@@ -313,6 +335,7 @@ Myghty:
   - .myt
 Nu:
   :lexer: scheme
+  :search_term: scheme
   :ext:
   - .nu
   - Nukefile
@@ -356,6 +379,7 @@ PHP:
   - .php5
 Parrot Internal Representation:
   :lexer: pir
+  :search_term: pir
   :aliases:
   - pir
   :ext:
@@ -381,6 +405,7 @@ Python:
   - .pyw
 Python traceback:
   :lexer: pytb
+  :search_term: pytb
   :aliases:
   - pytb
   :ext:
@@ -399,6 +424,7 @@ RHTML:
   - .rhtml
 Raw token data:
   :lexer: raw
+  :search_term: raw
   :aliases:
   - raw
   :ext:
@@ -447,7 +473,7 @@ Self:
   - .self
 Shell:
   :lexer: bash
-  :default_lexer: true
+  :search_term: bash
   :aliases:
   - sh
   - bash
@@ -497,6 +523,7 @@ Verilog:
   - .v
 VimL:
   :lexer: vim
+  :search_term: vim
   :aliases:
   - vim
   :ext:
@@ -527,6 +554,7 @@ XQuery:
   - .xquery
 XS:
   :lexer: c
+  :search_term: c
   :ext:
   - .xs
 YAML:
@@ -535,6 +563,7 @@ YAML:
   - .yaml
 Java Server Pages:
   :lexer: jsp
+  :search_term: jsp
   :aliases:
   - jsp
   :ext:
@@ -547,6 +576,7 @@ ooc:
   - .ooc
 reStructuredText:
   :lexer: rst
+  :search_term: rst
   :aliases:
   - rst
   :ext: