first stab at scala indenter... by no means complete or correct

--HG--
branch : pmacs2

mode/scala.py

@@ -1,5 +1,5 @@
 #import commands
-#from tab import StackTabber
+from tab import StackTabber2
 #from method import Method 
 from mode import Fundamental
 from lex import Grammar, PatternRule, RegionRule, PatternMatchRule
@@ -54,11 +54,25 @@ class ScalaGrammar(Grammar):
         PatternRule('scala.null', 'null'),
     ]
 
+class ScalaTabber(StackTabber2):
+    open_tokens        = {'delimiter': {'{': '}', '(': ')', '[': ']'}}
+    close_tokens       = {'delimiter': {'}': '{', ')': '(', ']': '['}}
+    control_tokens     = {'scala.reserved': set(('if', 'else', 'while', 'do', 'for'))}
+    end_at_eof         = True
+    start_free_tokens  = {'string.start': 'string.end'}
+    end_free_tokens    = {'string.end': 'string.start'}
+    is_ignored_tokens  = set(('spaces', 'eol', 'comment', 'comment.start',
+                              'comment.data', 'comment.null', 'comment.end'))
+    is_indent_tokens   = set(('spaces',))
+    def is_base(self, y): return y == 0
+
 class Scala(Fundamental):
     name        = 'Scala'
     extensions  = ['.scala']
+    tabwidth    = 2
+    tabbercls   = ScalaTabber
     grammar     = ScalaGrammar
-    commentc    = '--'
+    commentc    = '//'
     opentokens  = ('delimiter',)
     opentags    = {'(': ')', '[': ']', '{': '}'}
     closetokens = ('delimiter',)