Highlight . in its own scope. (#101)

The scope for `.` is `punctuation.separator.period.python`.

Author: vpetrovykh

Diff for: grammars/MagicPython.cson

@@ -386,7 +386,7 @@ repository:
       }
     ]
   "member-access":
-    begin: "\\.\\s*(?!\\.)"
+    begin: "(\\.)\\s*(?!\\.)"
     end: '''
       (?x)
         # stop when you've just read non-whitespace followed by non-word
@@ -398,6 +398,9 @@ repository:
         $
       
     '''
+    beginCaptures:
+      "1":
+        name: "punctuation.separator.period.python"
     patterns: [
       {
         include: "#function-call"
@@ -995,12 +998,14 @@ repository:
       {
         match: '''
           (?x)
-            \\s* \\b(from)\\b (\\s*\\.+\\s*) (import)?
+            \\s* \\b(from)\\b \\s*(\\.+)\\s* (import)?
           
         '''
         captures:
           "1":
             name: "keyword.control.import.python"
+          "2":
+            name: "punctuation.separator.period.python"
           "3":
             name: "keyword.control.import.python"
       }
@@ -1122,8 +1127,11 @@ repository:
       "1":
         name: "entity.other.inherited-class.python"
   "member-access-class":
-    begin: "\\.\\s*(?!\\.)"
+    begin: "(\\.)\\s*(?!\\.)"
     end: "(?<=\\S)(?=\\W)|$"
+    beginCaptures:
+      "1":
+        name: "punctuation.separator.period.python"
     patterns: [
       {
         include: "#call-wrapper-inheritance"

Diff for: grammars/MagicPython.tmLanguage

@@ -589,7 +589,7 @@
       <key>member-access</key>
       <dict>
         <key>begin</key>
-        <string>\.\s*(?!\.)</string>
+        <string>(\.)\s*(?!\.)</string>
         <key>end</key>
         <string>(?x)
   # stop when you've just read non-whitespace followed by non-word
@@ -600,6 +600,14 @@
   (^|(?&lt;=\s))(?=[^\\\w\s]) |
   $
 </string>
+        <key>beginCaptures</key>
+        <dict>
+          <key>1</key>
+          <dict>
+            <key>name</key>
+            <string>punctuation.separator.period.python</string>
+          </dict>
+        </dict>
         <key>patterns</key>
         <array>
           <dict>
@@ -1513,7 +1521,7 @@
           <dict>
             <key>match</key>
             <string>(?x)
-  \s* \b(from)\b (\s*\.+\s*) (import)?
+  \s* \b(from)\b \s*(\.+)\s* (import)?
 </string>
             <key>captures</key>
             <dict>
@@ -1522,6 +1530,11 @@
                 <key>name</key>
                 <string>keyword.control.import.python</string>
               </dict>
+              <key>2</key>
+              <dict>
+                <key>name</key>
+                <string>punctuation.separator.period.python</string>
+              </dict>
               <key>3</key>
               <dict>
                 <key>name</key>
@@ -1719,9 +1732,17 @@
       <key>member-access-class</key>
       <dict>
         <key>begin</key>
-        <string>\.\s*(?!\.)</string>
+        <string>(\.)\s*(?!\.)</string>
         <key>end</key>
         <string>(?&lt;=\S)(?=\W)|$</string>
+        <key>beginCaptures</key>
+        <dict>
+          <key>1</key>
+          <dict>
+            <key>name</key>
+            <string>punctuation.separator.period.python</string>
+          </dict>
+        </dict>
         <key>patterns</key>
         <array>
           <dict>

Diff for: grammars/src/MagicPython.syntax.yaml

@@ -415,7 +415,7 @@ repository:
         match: (?x) \b ([[:alpha:]_]\w*) \b
 
   member-access:
-    begin: \.\s*(?!\.)
+    begin: (\.)\s*(?!\.)
     end: |
       (?x)
         # stop when you've just read non-whitespace followed by non-word
@@ -425,6 +425,8 @@ repository:
         # i.e. when seeing a non-identifier
         (^|(?<=\s))(?=[^\\\w\s]) |
         $
+    beginCaptures:
+      '1': {name: punctuation.separator.period.python}
     patterns:
       - include: '#function-call'
       - include: '#member-access-base'
@@ -829,9 +831,10 @@ repository:
     patterns:
       - match: |
           (?x)
-            \s* \b(from)\b (\s*\.+\s*) (import)?
+            \s* \b(from)\b \s*(\.+)\s* (import)?
         captures:
           '1': {name: keyword.control.import.python}
+          '2': {name: punctuation.separator.period.python}
           '3': {name: keyword.control.import.python}
       - name: keyword.control.import.python
         match: \b(?<!\.)import\b
@@ -907,8 +910,10 @@ repository:
       '1': {name: entity.other.inherited-class.python}
 
   member-access-class:
-    begin: \.\s*(?!\.)
+    begin: (\.)\s*(?!\.)
     end: (?<=\S)(?=\W)|$
+    beginCaptures:
+      '1': {name: punctuation.separator.period.python}
     patterns:
       - include: '#call-wrapper-inheritance'
       - include: '#member-access-base'

Diff for: misc/scopes

@@ -120,6 +120,7 @@ punctuation.separator.dict.python
 punctuation.separator.element.python
 punctuation.separator.inheritance.python
 punctuation.separator.parameters.python
+punctuation.separator.period.python
 punctuation.separator.slice.python
 storage.modifier.declaration.python
 storage.modifier.flag.regexp