Script to inject error_log debug backtrace to create xrefs in PHP scripts

injectfunction.py

#!/usr/bin/python
import sys
import fileinput
import re
for line in fileinput.input(inplace=True):
    if fileinput.isfirstline():
        function = False
        interface = False
        class_name = ""
        comment = False
    matchline = line
    if '*/' in line:
        comment = False
        matchline = re.sub('.*\*/', '', matchline)
    if '/*' in line:
        comment = True
        matchline = re.sub('/\* .*', '', matchline)
    matchline = re.sub('//.*', '', matchline)
    if 'interface ' in matchline: interface = True
    m = re.match('.*class +([A-Za-z][A-Za-z0-9_]*).*', matchline)
    if (not(comment) and m):
        class_name = m.group(1)
        function = False
        interface = False
    m = re.match('.*function +([A-Za-z_][A-Za-z0-9_]*).*', matchline)
    if not(comment) and not(interface) and m and class_name:
        print >> sys.stderr, class_name, m.group(1)
        function = True
    if not(comment) and function and '{' in matchline:
        print line.replace('{', "{ dmdbt(debug_backtrace());"),
        function = False
    else: print line,