Support packages with CSON grammars

spec/app/text-mate-grammar-spec.coffee

@@ -1,4 +1,5 @@
 TextMateGrammar = require 'text-mate-grammar'
+TextMatePackage = require 'text-mate-package'
 plist = require 'plist'
 fs = require 'fs'
 _ = require 'underscore'
@@ -257,3 +258,14 @@ describe "TextMateGrammar", ->
         {tokens, ruleStack} = grammar.tokenizeLine("if(1){if(1){m()}}")
         expect(tokens[5]).toEqual value: "if", scopes: ["source.c", "meta.block.c", "keyword.control.c"]
         expect(tokens[10]).toEqual value: "m", scopes: ["source.c", "meta.block.c", "meta.block.c", "meta.function-call.c", "support.function.any-method.c"]
+
+  describe "when the grammar is CSON", ->
+    it "loads the grammar and correctly parses a keyword", ->
+      spyOn(syntax, 'addGrammar')
+      pack = new TextMatePackage(fixturesProject.resolve("packages/package-with-a-cson-grammar.tmbundle"))
+      pack.load()
+      grammar = pack.grammars[0]
+      expect(grammar).toBeTruthy()
+      expect(grammar.scopeName).toBe "source.alot"
+      {tokens, ruleStack} = grammar.tokenizeLine("this is alot of code")
+      expect(tokens[1]).toEqual value: "alot", scopes: ["source.alot", "keyword.alot"]

spec/fixtures/packages/package-with-a-cson-grammar.tmbundle/Syntaxes/alot.cson

@@ -0,0 +1,11 @@
+'fileTypes': ['alot']
+'name': 'Alot'
+'scopeName': 'source.alot'
+'patterns': [
+  {
+    'captures':
+      '0':
+        'name': 'keyword.alot'
+    'match': 'alot'
+  }
+]

src/app/text-mate-grammar.coffee

@@ -9,9 +9,12 @@ module.exports =
 class TextMateGrammar
   @readFromPath: (path) ->
     grammarContent = null
-    plist.parseString fs.read(path), (e, data) ->
-      throw new Error(e) if e
-      grammarContent = data[0]
+    if fs.extension(path) is '.cson'
+      grammarContent = fs.readObject(path)
+    else
+      plist.parseString fs.read(path), (e, data) ->
+        throw new Error(e) if e
+        grammarContent = data[0]
     throw new Error("Failed to load grammar at path `#{path}`") unless grammarContent
     grammarContent