From 105bb2b1ca9d76d377ed24a10bc7ff0c05a219f3 Mon Sep 17 00:00:00 2001
From: Takafumi Arakaki <aka.tkf@gmail.com>
Date: Fri, 24 May 2013 19:43:23 +0200
Subject: [PATCH 1/4] ModuleWithCursor.get_path_until_cursor cannot handle "\"

It raises: IndexError: string index out of range
---
 test/test_regression.py | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/test/test_regression.py b/test/test_regression.py
index e44afb8d..1e72cadf 100755
--- a/test/test_regression.py
+++ b/test/test_regression.py
@@ -395,6 +395,22 @@ class TestRegression(TestBase):
             for c in s.get_commands():
                 self.assertEqual(c.execution.end_pos[1], i)
 
+    def test_backslash_continuation(self):
+        """
+        Test that ModuleWithCursor.get_path_until_cursor handles continuation
+        """
+        source = textwrap.dedent(r"""
+        x = 0
+        a = \
+          [1, 2, 3, 4, 5, 6, 7, 8, 9, x]  # <-- here
+        """)
+        for (i, line) in enumerate(source.splitlines()):
+            if '<-- here' in line:
+                break
+        column = len(line) - len(']  # <-- here')
+        defs = self.goto_definitions(source, (i + 1, column))
+        self.assertEqual([d.name for d in defs], ['int'])
+
 
 class TestDocstring(TestBase):
 

From 05564c23d58e2c595604b5f48450d8986b5ecb92 Mon Sep 17 00:00:00 2001
From: Takafumi Arakaki <aka.tkf@gmail.com>
Date: Fri, 24 May 2013 21:06:48 +0200
Subject: [PATCH 2/4] Fix the error

---
 jedi/modules.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/jedi/modules.py b/jedi/modules.py
index 37e5bbac..46195c80 100644
--- a/jedi/modules.py
+++ b/jedi/modules.py
@@ -141,6 +141,7 @@ class ModuleWithCursor(Module):
                 last_line = self.get_line(self._line_temp)
                 if last_line and last_line[-1] == '\\':
                     line = last_line[:-1] + ' ' + line
+                    self._line_length = len(last_line)
                 else:
                     break
             return line[::-1]

From 71455f6b31ac36bbf276852a5a1b84adad133ce9 Mon Sep 17 00:00:00 2001
From: Takafumi Arakaki <aka.tkf@gmail.com>
Date: Fri, 24 May 2013 22:05:12 +0200
Subject: [PATCH 3/4] Add another failing case

---
 test/test_regression.py | 37 +++++++++++++++++++++++++++++--------
 1 file changed, 29 insertions(+), 8 deletions(-)

diff --git a/test/test_regression.py b/test/test_regression.py
index 1e72cadf..3753d0bf 100755
--- a/test/test_regression.py
+++ b/test/test_regression.py
@@ -395,21 +395,42 @@ class TestRegression(TestBase):
             for c in s.get_commands():
                 self.assertEqual(c.execution.end_pos[1], i)
 
+    def check_definition_by_marker(self, source, after_cursor, names):
+        r"""
+        Find definitions specified by `after_cursor` and check what found
+
+        For example, for the following configuration, you can pass
+        ``after_cursor = 'y)'``.::
+
+            function(
+                x, y)
+                   \
+                    `- You want cursor to be here
+        """
+        source = textwrap.dedent(source)
+        for (i, line) in enumerate(source.splitlines()):
+            if after_cursor in line:
+                break
+        column = len(line) - len(after_cursor)
+        defs = self.goto_definitions(source, (i + 1, column))
+        self.assertEqual([d.name for d in defs], names)
+
     def test_backslash_continuation(self):
         """
         Test that ModuleWithCursor.get_path_until_cursor handles continuation
         """
-        source = textwrap.dedent(r"""
+        self.check_definition_by_marker(r"""
         x = 0
         a = \
           [1, 2, 3, 4, 5, 6, 7, 8, 9, x]  # <-- here
-        """)
-        for (i, line) in enumerate(source.splitlines()):
-            if '<-- here' in line:
-                break
-        column = len(line) - len(']  # <-- here')
-        defs = self.goto_definitions(source, (i + 1, column))
-        self.assertEqual([d.name for d in defs], ['int'])
+        """, ']  # <-- here', ['int'])
+
+    def test_backslash_continuation_and_bracket(self):
+        self.check_definition_by_marker(r"""
+        x = 0
+        a = \
+          [1, 2, 3, 4, 5, 6, 7, 8, 9, (x)]  # <-- here
+        """, '(x)]  # <-- here', [None])
 
 
 class TestDocstring(TestBase):

From 1f3c4700c9c581bf3f64cf570989788636f259d6 Mon Sep 17 00:00:00 2001
From: Takafumi Arakaki <aka.tkf@gmail.com>
Date: Fri, 24 May 2013 22:09:24 +0200
Subject: [PATCH 4/4] Fix get_path_until_cursor for empty path + continuation

---
 jedi/modules.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/jedi/modules.py b/jedi/modules.py
index 46195c80..c583ec5f 100644
--- a/jedi/modules.py
+++ b/jedi/modules.py
@@ -188,6 +188,7 @@ class ModuleWithCursor(Module):
                 elif token_type == tokenize.NUMBER:
                     pass
                 else:
+                    self._column_temp = self._line_length - end[1]
                     break
 
                 self._column_temp = self._line_length - end[1]