vim: update cdg.py

Taken from https://raw.githubusercontent.com/cerg2010cerg2010/texttoolkit/master/cdg.py
and add a small fix to get current dir for project path instead of
'/your/project/path'

.vim/plugin/cdg.py

@@ -4,7 +4,7 @@
 import json
 import sys
 import re
-import os
+from os import getcwd
 
 '''A simple compilation database generator, or cdg in short.
 
@@ -12,11 +12,11 @@ It works by parsing the output of the GNU make command.'''
 
 file_name_regex = re.compile(r"[\w./+\-]+\.(s|cc?|cpp|cxx)\b",
                              re.IGNORECASE)
-enter_dir_regex = re.compile(r"^\s*make(?:\[\d+\])?: Entering directory [`\'\"](?P<dir>.*)[`\'\"]\s*$",
+enter_dir_regex = re.compile(r"^\s*(?:make|ninja)(?:\[\d+\])?: Entering directory [`\'\"](?P<dir>.*)[`\'\"]\s*$",
                              re.MULTILINE)
-leave_dir_regex = re.compile(r"^\s*make(?:\[\d+\])?: Leaving directory .*$",
+leave_dir_regex = re.compile(r"^\s*(?:make|ninja)(?:\[\d+\])?: Leaving directory .*$",
                              re.MULTILINE)
-compilers_regex = re.compile(r'\b(g?cc|[gc]\+\+|clang\+?\+?|icecc|s?ccache)\s')
+compilers_regex = re.compile(r'\b(g?cc|[gc]\+\+|clang\+?\+?|icecc|s?ccache)(?:.exe)?"?\s')
 
 
 def parse(make_output):
@@ -49,11 +49,17 @@ Per https://clang.llvm.org/docs/JSONCompilationDatabase.html
 
         # look backward and discard anything before delimiters
         i = match.start()
-        while i > 0:
-            j = i - 1
-            if line[j] in (' ', '\t', '\n', ';', '&'):
-                break
-            i -= 1
+        if line[match.start():match.end()].rstrip()[-1] == '"':
+            while i > 0:
+                i -= 1
+                if line[i] == '"' and (i == 0 or line[i-1] != '\\'):
+                    break
+        else:
+            while i > 0:
+                j = i - 1
+                if line[j] in (' ', '\t', '\n', ';', '&'):
+                    break
+                i -= 1
         line = line[i:]
 
         file_match = file_name_regex.search(line)
@@ -63,7 +69,7 @@ Per https://clang.llvm.org/docs/JSONCompilationDatabase.html
 
         # To workaround that there is no "entering directory..."
         if not pwd:
-            pwd = os.getcwd()
+            pwd = getcwd()
             path_stack.append(pwd)
 
         # Special handling for projects like Redis,