#!/usr/bin/env python

#

#

# Generate linker script to only expose symbols of the public API

#

import sys

import re

if __name__ == '__main__':

    funcs = list()

    last_line = ''

    for line in sys.stdin:

        m = re.match(r'^(\S+.*\s+\**)?(rd_kafka_\S+)\s*\(', line)

        if m:

            sym = m.group(2)

            # Ignore static (unused) functions

            m2 = re.match(r'(RD_UNUSED|__attribute__\(\(unused\)\))', last_line)

            if not m2:

                funcs.append(sym)

            last_line = ''

        else:

            last_line = line

    print('# Automatically generated by lds-gen.py - DO NOT EDIT')

    print('{\n global:')

    if len(funcs) == 0:

        print('    *;')

    else:

        for f in sorted(funcs):

            print('    %s;' % f)

        print('local:\n    *;')

    print('};')