From 6bb260140b1f08ce771380c06f1dc4234ba09ffd Mon Sep 17 00:00:00 2001
From: probablycorey <cj@github.com>
Date: Wed, 7 May 2014 12:18:05 -0700
Subject: [PATCH 1/2] Don't use comment lines to determine soft/hard tabs.

Closes atom/language-php#24
Closes #1733
---
 spec/editor-spec.coffee                           |  4 ++++
 .../sample-with-tabs-and-initial-comment.js       |  8 ++++++++
 src/editor.coffee                                 | 15 ++++++++++++++-
 3 files changed, 26 insertions(+), 1 deletion(-)
 create mode 100644 spec/fixtures/sample-with-tabs-and-initial-comment.js

diff --git a/spec/editor-spec.coffee b/spec/editor-spec.coffee
index ac2d24ddf..91a282f55 100644
--- a/spec/editor-spec.coffee
+++ b/spec/editor-spec.coffee
@@ -2594,6 +2594,10 @@ describe "Editor", ->
         atom.workspace.open('sample-with-tabs.coffee', softTabs: true).then (editor) ->
           expect(editor.getSoftTabs()).toBeFalsy()
 
+      waitsForPromise ->
+        atom.workspace.open('sample-with-tabs-and-initial-comment.js', softTabs: true).then (editor) ->
+          expect(editor.getSoftTabs()).toBeFalsy()
+
       waitsForPromise ->
         atom.workspace.open(null, softTabs: false).then (editor) ->
           expect(editor.getSoftTabs()).toBeFalsy()
diff --git a/spec/fixtures/sample-with-tabs-and-initial-comment.js b/spec/fixtures/sample-with-tabs-and-initial-comment.js
new file mode 100644
index 000000000..996d4dff0
--- /dev/null
+++ b/spec/fixtures/sample-with-tabs-and-initial-comment.js
@@ -0,0 +1,8 @@
+/**
+ * Look, this is a comment. Don't go making assumtions that I want soft tabs
+ * because this block comment has leading spaces, Geez.
+ */
+
+if (beNice) {
+	console.log('Thank you for being nice.');
+}
diff --git a/src/editor.coffee b/src/editor.coffee
index 38dfb40f1..c790ea352 100644
--- a/src/editor.coffee
+++ b/src/editor.coffee
@@ -160,7 +160,7 @@ class Editor extends Model
 
     @displayBuffer ?= new DisplayBuffer({buffer, tabLength, softWrap})
     @buffer = @displayBuffer.buffer
-    @softTabs = @buffer.usesSoftTabs() ? @softTabs ? atom.config.get('editor.softTabs') ? true
+    @softTabs = @usesSoftTabs() ? @softTabs ? atom.config.get('editor.softTabs') ? true
 
     for marker in @findMarkers(@getSelectionMarkerAttributes())
       marker.setAttributes(preserveFolds: true)
@@ -317,6 +317,19 @@ class Editor extends Model
   # Public: Set the on-screen length of tab characters.
   setTabLength: (tabLength) -> @displayBuffer.setTabLength(tabLength)
 
+  # Public: Determine if the buffer uses hard or soft tabs.
+  #
+  # Returns `true` if the first non-comment line with leading whitespace starts
+  # with a space character. Returns `false` if it starts with a hard tab (`\t`).
+  #
+  # Returns a {Boolean},
+  usesSoftTabs: ->
+    for bufferRow in [0..@buffer.getLastRow()]
+      continue if @displayBuffer.tokenizedBuffer.lineForScreenRow(bufferRow).isComment()
+      if match = @buffer.lineForRow(bufferRow).match(/^\s/)
+        return match[0][0] != '\t'
+    undefined
+
   # Public: Clip the given {Point} to a valid position in the buffer.
   #
   # If the given {Point} describes a position that is actually reachable by the

From 8c6cdf7358d86eef6b11be1cf534a349aedb493f Mon Sep 17 00:00:00 2001
From: probablycorey <cj@github.com>
Date: Wed, 7 May 2014 12:34:34 -0700
Subject: [PATCH 2/2] Upgrade to text-buffer@2.2.1

---
 package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package.json b/package.json
index 3028f4dbf..fbe536603 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,7 @@
     "serializable": "^1",
     "space-pen": "3.1.1",
     "temp": "0.5.0",
-    "text-buffer": "^2.2.0",
+    "text-buffer": "^2.2.1",
     "theorist": "^1",
     "underscore-plus": "^1.2.1",
     "vm-compatibility-layer": "0.1.0"