Add Angelscript language (#3844)

* Add AngelScript scriping language

* Add AngelScript sample

* Initial implementation of Angelscript

* Update Angelscript tm_scope and ace_mode

* Move Angelscript after ANTLR

* Updated grammar list

* Alphabetical sorting for Angelscript

* Angelscript grammar license is unlicense

* Add ActionScript samples

* Added a heuristic for .as files

* Whitelist sublime-angelscript license hash

* Added heuristic test for Angelscript and Actionscript

* Remove .acs from Angelscript file extensions

lib/linguist/heuristics.rb

@@ -73,6 +73,14 @@ module Linguist
     # Common heuristics
     ObjectiveCRegex = /^\s*(@(interface|class|protocol|property|end|synchronised|selector|implementation)\b|#import\s+.+\.h[">])/
 
+    disambiguate ".as" do |data|
+      if /^\s*(package\s+[a-z0-9_\.]+|import\s+[a-zA-Z0-9_\.]+;|class\s+[A-Za-z0-9_]+\s+extends\s+[A-Za-z0-9_]+)/.match(data)
+        Language["ActionScript"]
+      else
+        Language["AngelScript"]
+      end
+    end
+
     disambiguate ".asc" do |data|
       if /^(----[- ]BEGIN|ssh-(rsa|dss)) /.match(data)
         Language["Public Key"]

lib/linguist/languages.yml

@@ -210,6 +210,17 @@ Alpine Abuild:
   codemirror_mode: shell
   codemirror_mime_type: text/x-sh
   language_id: 14
+AngelScript:
+  type: programming
+  color: "#C7D7DC"
+  extensions:
+  - ".as"
+  - ".angelscript"
+  tm_scope: source.angelscript
+  ace_mode: text
+  codemirror_mode: clike
+  codemirror_mime_type: text/x-c++src
+  language_id: 389477596
 Ant Build System:
   type: data
   tm_scope: text.xml.ant