From 721c558799972c4d7bc6ba88251753a568422eed Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Mon, 15 Aug 2011 21:26:37 +0000
Subject: indentation preferences and typedef finding code, mostly from LRN
 with minor changes

---
 contrib/find_typedefs.py | 95 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 contrib/find_typedefs.py

(limited to 'contrib')

diff --git a/contrib/find_typedefs.py b/contrib/find_typedefs.py
new file mode 100644
index 000000000..d6db597da
--- /dev/null
+++ b/contrib/find_typedefs.py
@@ -0,0 +1,95 @@
+from __future__ import print_function
+import os
+import re
+import sys
+
+debug = False
+
+def get_td_from_function_signature (line, file, num):
+  left_paren = line.find ('(')
+  if left_paren > 0:
+    left_paren += 1
+    line = line[left_paren:]
+    right_paren = line.find (')')
+    if right_paren > 0 and right_paren > left_paren and line[right_paren:].find ('(') >= 0:
+      fname = line[:right_paren]
+      fname = fname.lstrip (' ').lstrip ('*').lstrip (' ').rstrip (' ')
+      if len (fname) > 0:
+        if debug:
+          print ("from {0}:{1}".format (file, num))
+        print ("-T {0}".format (fname))
+
+def get_td_from_simple_type (line, file, num):
+  line = line.rstrip (' ').rstrip ('\t').rstrip (' ').rstrip ('\t')
+  right_space = line.rfind (' ')
+  right_tab = line.rfind ('\t')
+  sep = right_tab if right_tab > right_space else right_space
+  sep += 1
+  tname = line[sep:]
+  tname = tname.lstrip ('*')
+  if len (tname) > 0:
+    if debug:
+      print ("from {0}:{1}".format (file, num))
+    print ("-T {0}".format (tname))
+
+def find_typedefs (file):
+  with open (file, 'rb') as f:
+    td = False
+    td_struct = False
+    td_level = 0
+    td_line = []
+    data = f.read ()
+    for i, l in enumerate (data.splitlines (False)):
+      # Don't try to be too smart: only count lines that begin with 'typedef '
+      l = l.rstrip (' ').rstrip ('\t')
+      if len (l) == 0:
+        continue
+      if not td:
+        if l[:8] != 'typedef ':
+          continue
+        else:
+          td = True
+          if l[8:].lstrip (' ').lstrip ('\t')[:6] == 'struct':
+            td_struct = True
+      if td_struct:
+        leftcbrace = l.find ('{')
+        if leftcbrace >= 0:
+          if td_level == 0:
+            td_line.append (l[:leftcbrace])
+          l = l[leftcbrace + 1:]
+          td_level += 1
+        rightcbrace = l.rfind ('}')
+        if rightcbrace >= 0:
+          td_level -= 1
+          if td_level == 0:
+            td_line.append (l[rightcbrace + 1:])
+      else:
+        td_line.append (l)
+      if len (l) > 0 and l[-1] == ';' and (not td_struct or td_level == 0):
+        td_line = ' '.join (td_line)
+        td_line = td_line[:-1]
+        if len (td_line) > 0:
+          if td_line[-1] == ')':
+            get_td_from_function_signature (td_line, file, i)
+          else:
+            get_td_from_simple_type (td_line, file, i)
+        td_line = []
+        td = False
+        td_struct = False
+        td_level = 0
+      
+
+def scan_dir (d):
+  for dirpath, dirs, files in os.walk (d):
+    for f in files:
+      if re.match (r'(?!lt_).+\.(c|cc|h)$', f):
+        file = os.path.join (dirpath, f)
+        find_typedefs (file)
+
+
+if __name__ == '__main__':
+  if len (sys.argv[1:]) == 0:
+    arg = os.getcwd ()
+  else:
+    arg = sys.argv[1]
+  scan_dir (arg)
\ No newline at end of file
-- 
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