1 files changed, 49 insertions, 0 deletions
diff --git a/remove_exec_ctx.py b/remove_exec_ctx.py
new file mode 100644
index 0000000000..fe530e424e
--- /dev/null
+++ b/remove_exec_ctx.py
@@ -0,0 +1,49 @@
+import os
+import sys
+import re
+
+def repl_fn(m):
+  ret = ''
+  ret = ret + m.groups()[0] + '('
+  for i in range(1, len(m.groups())):
+    if(m.groups()[i] != None):
+      ret = ret + m.groups()[i]
+    else:
+      break
+  ret = ret + ')'
+  print '\n' + m.group() + '\nwith\n' + ret + '\n'
+  return ret
+
+def work_on(fname):
+  with open(fname) as f:
+    p = re.compile(r'((?:\b[^\s\(\),]+)|(?:\(\*[^\s\(\),]+\)))\s*' + # function name or function pointer
+                   r'\(\s*' + # open brackets
+                   r'(?:(?:exec_ctx)|(?:grpc_exec_ctx\s*\*\s*exec_ctx)|(?:&\s*exec_ctx))' + # first exec_ctx paramenter
+                   r'\s*,?' + # comma after exec_ctx
+                   r'(\s*[^\),]+)?' + # all but first argument
+                   r'(\s*,\s*[^\),]+)?' + # all but first argument
+                   r'(\s*,\s*[^\),]+)?' + # all but first argument
+                   r'(\s*,\s*[^\),]+)?' + # all but first argument
+                   r'(\s*,\s*[^\),]+)?' + # all but first argument
+                   r'(\s*,\s*[^\),]+)?' + # all but first argument
+                   r'(\s*,\s*[^\),]+)?' + # all but first argument
+                   r'(\s*,\s*[^\),]+)?' + # all but first argument
+                   r'(\s*,\s*[^\),]+)?' + # all but first argument
+                   r'(\s*,\s*[^\),]+)?' + # all but first argument
+                   r'(\s*,\s*[^\),]+)?' + # all but first argument
+                   r'\s*\)') # close brackets
+    res = p.sub(repl_fn, f.read())
+
+    f = open(fname, 'w')
+    f.write(res)
+    f.close()
+    #print res
+
+def main():
+  file_list = []
+  for line in sys.stdin:
+    work_on(line.strip())
+
+
+if __name__ == '__main__':
+  main()