import ctags, re, simplejson, sys, os

from ctags import CTags, TagEntry

# file generated by ctags --fields=afmikKlnsStz --c-kinds=+pc -R

tags = CTags('tags')

entry = TagEntry()

sct_file = open('arch/x86/kernel/syscall_table_32.S', 'r')

sys_calls = []

i = 0

for line in sct_file:

name = re.search(".long (\w*)", line)

if(name):

name = name.group(1)

is_ptregs = False

if(name == "sys_ni_syscall"):

sys_calls.append([i, "not implemented", "", "%0#4x"%(i), "", "", "", "", "", "", ""])

i += 1

continue

# take care of ptregs

elif(name.find('ptregs_') == 0):

name = name.replace("ptregs_", "sys_")

is_ptregs = True

if tags.find(entry, name, ctags.TAG_FULLMATCH | ctags.TAG_OBSERVECASE):

found_sym = False

while(not found_sym):

if(entry['kind'] == 'prototype'):

found_sym = True

details = [i, name, entry['signature']]

if(entry['signature'] != "(void)"):

sig = entry['signature'].strip('()').split(',')

else:

sig = [];

regs = {};

details.append("%0#4x"%(i));

if(len(sig) < 6):

for param in sig:

par = param.strip()

par_def = None

if(param.find("struct") != -1):

type_match = re.search("struct (\w+)", param)

if(type_match):

par_entry = TagEntry()

if(tags.find(par_entry, type_match.group(1), ctags.TAG_FULLMATCH|ctags.TAG_OBSERVECASE)):

if(par_entry['kind'] == 'struct'):

par_def = {'file': par_entry['file'], 'line': int(par_entry['lineNumber'])}

details.append({'type': par, 'def': par_def})

else:

details.append("param addr*")

remaining = 9 - len(details)

for x in range(0, remaining):

details.append("")

# try to get the line now

if(not is_ptregs):

pattern = "SYSCALL_DEFINE%d(%s"%(len(sig), name.replace("sys_", ""))

search = "SYSCALL_DEFINE%d"%(len(sig))

else:

pattern = name

search = name

if tags.find(entry, search, ctags.TAG_FULLMATCH | ctags.TAG_OBSERVECASE):

found = False

while(found == False):

if(entry['pattern'].find(pattern) == 2):

#details['found'] = entry['pattern']

details.append(entry['file'])

details.append(int(entry['lineNumber']))

found = True

break

if(not tags.findNext(entry)):

details.append("not found")

details.append("")

break

else:

details.append("not found")

details.append("")

sys_calls.append(details)

else:

if(not tags.findNext(entry)):

sys_calls.append([i, "", "", "", "", "", "", "", "", "", ""])

break

i += 1

print simplejson.dumps({'aaData': sys_calls}, indent=" ")